CN111766135A - A test device and method for testing rolling load of anti-static raised floor - Google Patents

Abstract

The application discloses a test device and method for testing the rolling load of an anti-static raised floor, including: a test bench, a guide rail, a sliding bracket, a loading device, a fixed beam and a control device; the guide rail is fixed on the test bench, and the length direction of the guide rail is The two ends are respectively provided with at least one limiting device; the sliding bracket is slidably connected to the guide rail, and the sliding bracket is connected to the motor; ; The sliding bracket is also provided with a displacement sensor and a fixing device for fixing the test plate; the motor, the loading device, the limit device, the pressure sensor and the displacement sensor are all connected with the control device. The sliding bracket can run smoothly on the guide rail to ensure the accuracy of the test results; the control device can realize the automatic test of the rolling load of the anti-static raised floor according to the data collected by the limit device, the pressure sensor and the displacement sensor.

Description

A test device and method for testing rolling load of anti-static raised floor

technical field

The application relates to the technical field of floor testing, and in particular, to a test device and method for testing the rolling load of an anti-static raised floor.

Background technique

Anti-static raised floor refers to an overhead anti-static floor that is connected with brackets and beams. The overhead space formed between the anti-static raised floor and the ground or floor of the base layer can not only meet the needs of laying crisscrossed cables and various pipelines, but also Moreover, through design, ventilation openings are arranged in appropriate parts of the raised floor, which can also meet the requirements of air conditioning such as static pressure air supply. Therefore, anti-static raised floors are widely used in computer rooms, program-controlled switch rooms, electrification classrooms, power dispatching rooms, weak current rooms, clean workshops and other places with dust-proof, anti-static, and overhead.

Anti-static raised floor is composed of floor board and floor support system. As shown in Figure 1, the anti-static raised floor includes floor board 01, beam 02, buffer pad 03, locking device 04 and adjustable support 05. The national standard GB/T36340-2018 "General Specification for Anti-static Raised Floors" specifies that the load-bearing load of the floor slabs of anti-static raised floors needs to meet the corresponding standards, and provides a test for the rolling load of the floor slabs of anti-static raised floors. experiment method. For example, the rolling load of the floor plate of the ordinary anti-static raised floor is tested according to the load value (10 times), the load value is 3560N, the deflection should be less than or equal to 2mm, and the residual deformation should be less than or equal to 0.5mm.

However, referring to the national standard GB/T36340-2018 "General Specification for Anti-static Raised Floors", it can be seen that a feasible test device for testing the rolling load of anti-static raised floors is not provided. The test device for floor rolling load is an urgent problem to be solved in this field.

SUMMARY OF THE INVENTION

In order to solve the above technical problems, the present application provides a test device and method for testing the rolling load of an anti-static raised floor.

In a first aspect, the present application provides a test device for testing the rolling load of an anti-static raised floor, comprising: a test bench, a guide rail, a sliding bracket, a loading device, a fixed beam and a control device; the guide rail is fixed on the test bench On both ends of the guide rail in the length direction are respectively provided with at least one limit device; the sliding bracket is slidably connected with the guide rail, and the sliding bracket is connected with the motor, wherein the limit device and the motor control The sliding bracket reciprocates on the guide rail; the loading device is fixed above the sliding bracket through a fixed beam, a pressure sensor is arranged on the loading device, and a rolling wheel is connected to the bottom of the loading device; the sliding The bracket is also provided with a displacement sensor and a fixing device for fixing the test plate, wherein the displacement sensor is located on the radial center axis of the rolling wheel and below the installed test plate; the motor, loading The device, the limit device, the pressure sensor and the displacement sensor are all connected with the control device.

Further, the fixing device includes at least two I-shaped steel structures arranged in parallel, and the length direction of the I-shaped steel structures is perpendicular to the length direction of the guide rail; one side surface of the I-shaped steel structure is fixedly connected to the sliding bracket. , so that the grooves of two adjacent I-shaped steel structures are arranged oppositely; the spacing between the two adjacent I-shaped steel structures is adapted to the size of the test plate, so that the opposite ends of the test plate are clamped at the into the grooves of the two adjacent I-shaped steel structures.

Further, the sliding support comprises two U-shaped channel steels arranged oppositely; the U-shaped grooves of the two oppositely arranged U-shaped channel steels are respectively sleeved on the two rails of the guide rail.

Further, the fixed beam includes two sets of first fixed beams and second fixed beams arranged at intervals, and the structures of the first fixed beam and the second fixed beam are the same; the first fixed beam includes two first vertical beams and A first beam, the second fixed beam includes two second vertical beams and a second beam; the two first vertical beams are respectively located on both sides of the sliding bracket and are vertically fixed to the At both ends of the test bench, the top ends of the two first vertical beams are connected to the first transverse beams; the two second vertical beams are respectively located on both sides of the sliding bracket and are vertically fixed to both ends of the test bench , the top ends of the two second vertical beams are connected with the second beam; the first beam and the second beam are both perpendicular to the length direction of the guide rail; the top of the loading device is fixed to the first beam and the second beam, the axial direction of the rolling wheel is parallel to the first beam or the second beam.

Further, it also includes at least one reinforcement member connected with the first fixed beam and the second fixed beam; the reinforcement member is located on the lower side of the fixed beam; the reinforcement member includes two first reinforcement members and a first reinforcement member. Two reinforcements, wherein the two first reinforcements are respectively used to connect the first vertical beam and the second vertical beam on the same side of the sliding bracket, and the second reinforcement is perpendicular to the two first reinforcements connection; the upper side of the first fixing beam is connected with a first triangular fixing piece, and the upper side of the second fixing beam is connected with a second triangular fixing piece.

Further, the loading device is located at a middle position in the length direction of the guide rail.

Further, an operation display interface is also included, and the operation display interface is connected with the control device.

Further, the limiting device, the pressure sensor and the displacement sensor are all connected with the control device through wired communication.

Further, three sizes of scroll wheels are included.

In a second aspect, the present application provides a test method for testing the rolling load of an anti-static raised floor. The method is applied to the anti-static raised floor rolling load test device of the first aspect, and the method includes:

Install the test plate on the fixture, and install the corresponding type of rolling wheel according to the test plate model;

The control device controls the rolling wheel to contact the test plate, and controls the loading device to load to a preset rolling load value;

Adjust the displacement value of the displacement sensor to zero;

The control device controls the sliding bracket to drive the test plate to reciprocate on the guide rail;

The control device receives the data collected by the displacement sensor and the limiting device, and processes the data;

If the maximum displacement value collected by the displacement sensor exceeds the preset displacement value, or the number of cycles collected by the limiting device reaches the preset number of cycles, the control device controls the sliding bracket to stop moving; If the displacement value exceeds the preset displacement value, the number of cycles collected by the limiting device is recorded; if the number of cycles collected by the limiting device reaches the preset number of cycles, the maximum displacement value collected by the displacement sensor is recorded.

The application provides a test device and method for testing the rolling load of an anti-static raised floor. The sliding bracket can run smoothly on the guide rail to ensure the accuracy of the test results; the control device can be based on the limit device, the pressure sensor and the displacement sensor. The collected data realizes the fully automatic test of the rolling load of the anti-static raised floor.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained according to these drawings without creative efforts.

Fig. 1 is the structural representation of a kind of anti-static raised floor in the prior art;

2 is a schematic structural diagram of a test device for testing the rolling load of an anti-static raised floor provided by an embodiment of the present application;

3 is a schematic structural diagram of a test device for testing the rolling load of an anti-static raised floor provided with a test plate installed in an embodiment of the present application;

4 is a side view of a test device for testing the rolling load of an anti-static raised floor provided by an embodiment of the present application;

5 is a front view of a test device for testing the rolling load of an anti-static raised floor provided by an embodiment of the present application;

6 is a top view of a test device for testing the rolling load of an anti-static raised floor provided by an embodiment of the present application;

FIG. 7 is a schematic workflow diagram of a test method for testing the rolling load of an anti-static raised floor provided by an embodiment of the present application.

Description of reference numerals

1-Test bench, 2-Guide rail, 3-Sliding bracket, 4-Loading device, 5-Fixed beam, 6-Control device, 7-Test plate, 8-Operation display interface, 21-Limiting device, 31-Motor, 32-Displacement sensor, 33-Fixing device, 34-U-shaped channel steel, 41-Rolling wheel, 51-First fixed beam, 52-Second fixed beam, 53-Reinforcement member, 511-First vertical beam, 512- The first beam, 513 - the first triangular fixing part, 521 - the second vertical beam, 522 - the second beam, 523 - the second triangular fixing part, 531 - the first reinforcement part, 532 - the second reinforcement part.

Detailed ways

In order to make those skilled in the art better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only These are some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts shall fall within the protection scope of the present invention.

In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "left" and "right" indicate the orientation or position The relationship is based on the orientation or position relationship in the working state of the application, and is only for the convenience of describing the application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, Therefore, it should not be construed as a limitation on this application. Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

The embodiment of the present application provides a test device for testing the rolling load of an anti-static raised floor, including: a test bench 1, a guide rail 2, a sliding bracket 3, a loading device 4, a fixed beam 5 and a control device 6; the guide rail 2 is fixed on the test bench 1; the sliding bracket 3 is slidably connected with the guide rail 2, at least one limiting device 21 is respectively provided at both ends of the guide rail 2 in the length direction, and the sliding bracket 3 is connected with the motor 31, Wherein, the limiting device 21 and the motor 31 control the reciprocating motion of the sliding bracket 3 on the guide rail 2; the loading device 4 is fixed above the sliding bracket 3 through the fixing beam 5, and the loading device 4 is provided with a pressure sensor, and the bottom of the loading device 4 is connected with a rolling wheel 41; the sliding bracket 3 is also provided with a displacement sensor 32 and a fixing device 33 for fixing the test plate 7, wherein the displacement sensor 32 Located on the radial central axis of the rolling wheel 41 and below the installed test plate 7; the motor 31, the loading device 4, the limit device 21, the pressure sensor and the displacement sensor 32 are all connected with the control device. 6 connections.

FIG. 2 is a schematic structural diagram of a test device for testing the rolling load of an anti-static raised floor in an embodiment of the present application. 3 is a schematic structural diagram of a test device for testing the rolling load of an anti-static raised floor after installing a test plate in an embodiment of the present application.

The test device for testing the rolling load of the anti-static raised floor provided in the embodiment of the present application, as shown in Figures 1 and 2, when testing the floor plate of the anti-static raised floor, the test plate 7 is installed on the fixing device 33, Wherein, the test plate 7 described in the embodiments of the present application refers to the floor plate of the anti-static raised floor that needs to be tested. According to the load-bearing type of the test plate 7, the load value corresponding to the loading device 4 is set, and the corresponding type of rolling wheel 41 is installed. The loading device 4 is provided with a lifting device, and the lifting device can control the distance between the rolling wheel 41 and the test plate 7 . The motor 31 provides power for the movement of the sliding bracket 3, so that the sliding bracket 3 drives the test plate 7 to move on the guide rail 2, and a limit device 21 is respectively provided at both ends of the guide rail 2. The movement stroke of the bracket 3 on the guide rail meets the requirements in the "General Specification for Anti-static Raised Floors". The limit device 21 and the motor 31 jointly control the reciprocating motion of the sliding bracket 3 on the guide rail 2 . When the sliding bracket 3 is controlled to move to the preset position at one end of the guide rail 2 , the limit device 21 installed at the end of the guide rail 2 is triggered, and the motor 31 Drive the sliding bracket 3 to reversely move to the preset position at the other end of the guide rail 2, trigger the limiting device 21 installed on the other end of the guide rail 2 again, and the motor 31 drives the sliding bracket 3 to reverse movement again, thus realizing the reciprocating motion. During the reciprocating motion of the sliding bracket 3 , the rolling wheel 41 rolls on the test plate 7 to realize the rolling load test of the test plate 7 . Wherein, the displacement sensor 32 located under the test plate 7 collects the displacement value generated during the rolling process of the rolling wheel 41 on the test plate 7 in real time, so as to calculate the deflection and residual deformation of the test plate. It should also be noted that the limiting device 21 in the embodiment of the present application is not only used to limit the movement stroke of the sliding bracket 3, but also used to record the number of reciprocating movements of the sliding bracket 3 on the guide rail, that is, the test plate 7 passes through the rolling wheel 41. number of scrolls.

The motor 31 , the loading device 4 , the limiting device 21 , the pressure sensor and the displacement sensor 32 can all be connected to the control device 6 . Realize fully automatic testing of anti-static raised floor rolling loads. Specifically, after the test plate 7 is installed on the fixing device 33 , the lifting and lowering of the loading device 4 is controlled by the control device 6 and the load value loaded by the loading device 4 is controlled by the pressure sensor, and the motor 31 is controlled to drive the sliding bracket 3 to reciprocate on the guide rail 2 , the control device 6 can control the sliding support 3 to stop moving according to the displacement value collected by the displacement sensor 32, for example: if the maximum displacement value collected by the displacement sensor 32 exceeds the preset displacement value, the control device 6 controls the sliding support 3 to stop moving , and record the number of cycles collected by the limiting device 21 . The control device 6 can also control the sliding bracket 3 to stop moving according to the number of cycles collected by the limiting device 21. For example, if the number of cycles collected by the limiting device 21 reaches the preset number of cycles, the sliding bracket 3 is controlled to stop moving, and all records are recorded. The maximum displacement value collected by the displacement sensor 32.

In a specific embodiment, the limiting device 21 , the pressure sensor and the displacement sensor 32 can all be connected to the control device 6 through wired communication. In yet another embodiment, the limiting device 21 , the pressure sensor and the displacement sensor 32 can also be connected with the control device 6 through wireless communication, for example, the limiting device 21 , the pressure sensor, the displacement sensor 32 and the control device 6 Both are provided with a Bluetooth module for wireless communication connection, and the limiting device 21 , the pressure sensor, the displacement sensor 32 and the control device 6 are communicated and connected through the Bluetooth module.

In another specific embodiment, as shown in FIG. 4 , the test device for testing the rolling load of the anti-static raised floor according to the embodiment of the present application further includes an operation display interface 8 , which is connected with the control Device 6 is connected. The operation display interface 8 may be a display screen of an electronic device connected to the control device 6, or a separate operation display interface 8 for operation, wherein the electronic device may be a computer, an Ipad or a mobile phone terminal. The data collected by the limiting device 21, the pressure sensor, and the displacement sensor 32 can be displayed on the operation display interface 8 in real time. For example, the operation display interface 8 can simultaneously display the current displacement value, the current loaded load value and the current cycle times; The display interface 8 controls the operation of each actuator. For example, the operation display interface 8 is provided with start and stop buttons, or the operation display interface 8 is a touch display screen, and various operation buttons are provided on the touch display screen, and the user can directly Control the operation buttons on the touch screen.

The following describes in detail the various components of the test device for testing the rolling load of an anti-static raised floor provided by the implementation of the present application.

The test bench 1 is used to receive the guide rail 2 and the fixed beam 5. The test bench 1 may include a flat frame and support legs for supporting the flat frame, wherein the support legs can be adjustable support legs, so that the test bench 1 can be The height can be adjusted according to operational needs.

The sliding bracket 3 is used to drive the fixing device 33 , and the test plate 7 fixed on the fixing device 33 reciprocates on the guide rail 2 . The sliding bracket 3 is connected with a motor 31 , and the motor 31 provides power for the movement of the sliding bracket 3 . The application does not limit the specific structure of the sliding bracket 3 as long as it can reciprocate on the guide rail.

In a specific example, the sliding bracket 3 includes a slideway matched with the two rails of the guide rail 2, and the two slideways of the sliding bracket 3 adopt two U-shaped channel steels 34 arranged oppositely. The U-shaped grooves of the U-shaped channel steel 34 are respectively sleeved on the two tracks of the guide rail 2 , and the U-shaped channel steel 34 can run along the two tracks of the guide rail 2 . The slideway composed of two U-shaped channel steels 34 can ensure that the test plate 7 on the fixing device 33 does not bump during operation, thereby ensuring the accuracy of the test results.

The fixing device 33 is used to fix the test block 7 during testing. The structure of the fixing device 33 is not limited in the present application, as long as the test block 7 can be fixed, for example, a clamp can be used to clamp the test block 7 .

In a specific embodiment, as shown in FIG. 2 , the fixing device 33 includes at least two I-shaped steel structures arranged in parallel, and the length direction of the I-shaped steel structures is perpendicular to the length direction of the guide rail 2; One of the side surfaces is fixedly connected with the sliding bracket 3, so that the grooves of the two adjacent I-shaped steel structures are arranged opposite to each other; The opposite ends of the test block 7 are clamped in the grooves of the two adjacent I-shaped steel structures.

Since the I-shaped steel structure itself has two opposite grooves, the grooves of the two I-shaped steel structures arranged at intervals are just enough to clamp the test plate 7 between the two I-shaped steel structures. The fixing device composed of the I-shaped steel structures 33 The structure is simple, and the test plate 7 is easy to install. In addition, according to the national standard GB/T36340-2018 "General Specification for Anti-static Raised Floors", it is known that three test plates 7 need to be installed in each test. Therefore, the fixing device 33 can be formed by four I-shaped steel structures arranged at equal intervals. .

Further, the I-shaped steel structure can also play the role of connecting two U-shaped channel steels 34, that is, if the I-shaped steel structure is used to form the fixing device 33, no other structure is required to connect the two U-shaped channel steels 34, and the I-shaped steel structure is convenient. It can be used to connect two U-shaped channel steels 34.

The limit device 21 can be a contact type limit switch or a non-contact type limit switch, which is not limited in this application. In addition, the limiting device 21 may be installed on both ends of the guide rail 2, or may be installed at a position at both ends of the test bench 1 opposite to the sliding bracket 3, which is not limited in this application.

The displacement sensor 32 can be a dial indicator or an X-Y function recorder, which is not limited in this application. Wherein, the displacement sensor 32 may be pre-installed on the sliding bracket 3, or may be installed on the bottom surface of the test block 7 during the test, which is not limited in this application.

The fixed beam 5 straddles the top of the test bench 1 and is located in the middle of the length direction of the guide rail (2), and is used to fix the loading device 4, so that the loading device 4 is suspended above the sliding bracket 3. The structure of the fixed beam 5 is not affected by the present application. be limited.

In a specific embodiment, the fixed beam 5 includes two sets of first fixed beams 51 and second fixed beams 52 arranged at intervals. The first fixed beams 51 and the second fixed beams 52 have the same structure; the first fixed beam The beam 51 includes two first vertical beams 511 and a first horizontal beam 512, the second fixed beam 52 includes two second vertical beams 521 and a second horizontal beam 522; the two first vertical beams 511 They are respectively located on both sides of the sliding bracket 3 and are vertically fixed to both ends of the test bench 1. The top ends of the two first vertical beams 511 are connected to the first horizontal beam 512; the two second vertical beams A The second beams 522 are all perpendicular to the length direction of the guide rail 2; the top of the loading device 4 is fixed between the first beam 512 and the second beam 522, and the axial direction of the rolling wheel 41 is the same as that of the first beam 512 and the second beam 522. A beam 512 or a second beam 522 is parallel.

In the embodiment of the present application, the first fixed beam 51 and the second fixed beam 52 arranged at parallel intervals are used to jointly fix the loading device 4 , and the loading device 4 is suspended above the sliding bracket 3 to ensure the stability of the loading device 4 . More importantly, even during the movement of the rolling wheel 41, the stability of the loading device 4 can be ensured, so as to ensure the consistency of the load applied to the test plate 7 during the entire test process.

In another specific embodiment, in order to ensure the overall stability of the fixing beam 5 , a triangular fixing member is arranged on the upper side of the fixing beam 5 , and a reinforcing member is arranged on the lower side of the fixing beam 5 . Specifically, as shown in FIG. 2 and FIG. 5 , at least one reinforcement member 53 is connected between the first fixed beam 51 and the second fixed beam 52 ; the reinforcement member 53 is located on the lower side of the fixed beam 5 ; the reinforcement The member 53 includes two first reinforcement members 531 and one second reinforcement member 532, wherein the two first reinforcement members 531 are respectively used to connect the first vertical beam 511 and the second vertical beam 511 and the second vertical beam located on the same side of the sliding bracket 3. The vertical beam 521, the second reinforcement member 532 is vertically connected with the two first reinforcement members 531. As shown in FIG. 2 , the first reinforcement member 531 is used to connect two vertical beams located on the same side of the sliding bracket 3 , the second reinforcement member 532 is used to connect the two first reinforcement members 531 together, and the reinforcement member 53 makes the two The independent first fixed beam 51 and the second fixed beam 52 are fixed together to ensure the stability of the lower side of the fixed beam 5 .

A first triangular fixing member 513 is connected to the upper side of the first fixing beam 51 , and a second triangular fixing member 523 is connected to the upper side of the second fixing beam 52 . As shown in FIG. 5 , the first triangular fixing member 513 may include two inclined reinforcing ribs, one of which is used to connect the first vertical beam 511 and the first transverse beam 512 , and the inclined reinforcing rib is connected to the first vertical beam 511 and the first vertical beam 512 . The first cross beam 512 forms a stable triangular structure; another inclined reinforcing rib is used to connect the other first vertical beam 511 and the first cross beam 512, and the inclined reinforcing rib is connected with the other first vertical beam 511 and the first cross beam 512. The beam 512 constitutes another stable triangular structure. The second triangular fixing member 523 is the same as the first triangular fixing member 513 , and details are not described herein again. The first triangular fixing member 513 and the second triangular fixing member 523 can ensure the stability of the individual first fixing beam 51 and the second fixing beam 52 .

In conclusion, the cooperation of the reinforcing member 53 , the first triangular fixing member 513 and the second triangular fixing member 523 ensures the overall stability of the fixing beam 5 .

The loading device 4 is used to apply a load to the test plate 7, and the loading device 4 can be hydraulically, pneumatically or mechanically loaded, which is not limited in this application. The top of the loading device 4 is provided with a connecting piece connected to the fixed beam 5, and the bottom of the loading device 4 is connected with a rolling wheel 41, the rolling wheel 41 is connected with the lifting device of the loading device 4, and the lifting device of the loading device 4 can drive the rolling The wheel 41 is telescopic in a direction perpendicular to the plane of the guide rail 2 .

In a specific embodiment, as shown in FIGS. 2 and 6 , the top connector of the loading device 4 is detachably connected to the first beam 512 and the second beam 522 , and the installed loading device 4 is located on the first fixed beam 51 . Between the second fixed beam 52 and the second fixed beam 52 , the position of the loading device 4 in the length direction of the first beam 512 and the second beam 522 can be adjusted according to the test requirements. The present application does not limit the manner in which the connecting member on the top of the loading device 4 is detachably connected to the first cross beam 512 and the second cross beam 522 , for example, the connection may be threaded.

It should also be noted that, in order to meet the test standards in the national standard GB/T36340-2018 "General Specification for Anti-static Raised Floors", the test devices for testing the rolling load of anti-static raised floors in the embodiments of the present application are configured with at least three types. The rolling wheels 41 of the three specifications are different in size. Among them, the diameter of the rolling wheel 41 of the first specification is 76.2 mm, the wheel width is 46.0 mm, the rolling wheel crown is wrapped with hard rubber or phenolic material, and the Shore hardness is 90±5; the rolling wheel 41 of the second specification is The diameter of the rolling wheel 41 is 152mm, the wheel width is 50.8mm, the rolling wheel crown is wrapped with polyurethane material, and the Shore hardness is 80±5; the diameter of the third specification rolling wheel 41 is 254mm, the wheel width is 102mm, and the rolling wheel crown is made of polyurethane Material package, Shore hardness is 80±5.

To sum up, in the test device for testing the rolling load of the anti-static raised floor provided by the embodiment of the application, the sliding bracket 3 can run smoothly on the guide rail 2 to ensure the accuracy of the test results; the control device 6 can be based on the limit device 21, The data collected by the pressure sensor and the displacement sensor 32 realizes the fully automatic test of the rolling load of the anti-static raised floor.

An embodiment of the present application also provides a test method for testing the rolling load of an anti-static raised floor, the method is implemented based on the anti-static raised floor rolling load test device described in any of the above embodiments, as shown in FIG. 7 , including the following step:

Step S1 , install the test plate 7 on the fixing device 33 , and install the corresponding type of rolling wheel 41 according to the model of the test plate 7 .

For example, the test plate 7 can be classified into ultra-light, light, normal, standard, heavy, and super-heavy according to the load-bearing type. Wherein, the rolling wheel 41 of the second specification can be used for testing other types of test plates 7 except the super heavy type, and the rolling wheel 41 of the third specification can be used for testing the super heavy test plate 7 .

Step S2, the control device 6 controls the rolling wheel 41 to contact the test plate 7, and controls the loading device 4 to load to a preset rolling load value.

The loading device 4 is provided with a pressure sensor, the pressure sensor is connected to the control device 6 , and the pressure sensor can transmit the collected pressure data to the control device 6 in real time. When the current load value collected by the pressure sensor reaches the preset rolling load value, the control device 6 can control the rolling load loaded by the loading device 4 according to the received pressure data transmitted by the pressure sensor.

Step S3, adjust the displacement value of the displacement sensor 32 to zero.

The displacement sensor 32 is used for real-time acquisition. During the test, the displacement change of the bottom surface of the test plate 7 located above the displacement sensor 32 is used to calculate the deflection and residual deformation of the test plate.

The displacement sensor 32 can also be connected to the control device 6, and the control device 6 can receive the displacement data collected by the displacement sensor 32 in real time, and can perform data processing on the displacement data. For example, the maximum deformation of the bottom surface of the test plate 7 can be calculated according to the displacement data. (ie deflection), and calculate the residual deformation of the test panel 7.

Step S4 , the control device 6 controls the sliding bracket 3 to drive the test plate 7 to reciprocate on the guide rail 2 .

After the above steps 1-3 are completed, the control device 6 activates the motor 31 connected to the sliding bracket 3 and the limiting device 21 , so that the sliding bracket 3 drives the test plate 7 to reciprocate on the guide rail 2 .

Step S5, the control device 6 receives the data collected by the displacement sensor 32 and the limiting device 21, and processes the data.

Among them, the data collected by the displacement sensor 32 is the displacement change data of the bottom surface of the test plate 7, the limit device 21 has a counting function, and the data collected is the number of times the sliding bracket 3 reciprocates on the guide rail 2, that is, the test plate 7 passes through the rolling wheel. 41 rolls.

Step S6, if the maximum displacement value collected by the displacement sensor 32 exceeds the preset displacement value, or the number of cycles collected by the limiting device 21 reaches the preset number of cycles, the control device 6 controls the sliding bracket 3 to stop moving; wherein , if the maximum displacement value collected by the displacement sensor 32 exceeds the preset displacement value, the number of cycles collected by the limiting device 21 is recorded; if the number of cycles collected by the limiting device 21 reaches the preset number of cycles, then the displacement sensor 32 is recorded. the maximum displacement value.

The number of cycles described in the above step 6 refers to the number of times the sliding bracket 3 reciprocates on the guide rail 2 .

It is sufficient to refer to each other for the same and similar parts among the various embodiments in this specification. Especially, for the embodiment of the test method for testing the rolling load of the anti-static raised floor, since it is based on the device embodiment, the description is relatively simple, and the relevant parts can be referred to the description in the device embodiment.

The present application has been described in detail above with reference to specific embodiments and exemplary examples, but these descriptions should not be construed as a limitation on the present application. Those skilled in the art understand that, without departing from the spirit and scope of the present application, various equivalent replacements, modifications or improvements can be made to the technical solutions of the present application and the embodiments thereof, which all fall within the scope of the present application. The scope of protection of the present application is determined by the appended claims.

Claims (10)

1. A test device for testing the rolling load of an anti-static raised floor, characterized in that it comprises: a test stand (1), a guide rail (2), a sliding bracket (3), a loading device (4), a fixed beam (5) ) and the control device (6); The guide rail (2) is fixed on the test stand (1), and at least one limiting device (21) is respectively provided at both ends of the guide rail (2) in the longitudinal direction; The sliding bracket (3) is slidably connected with the guide rail (2), and the sliding bracket (3) is connected with the motor (31), wherein the limiting device (21) and the motor (31) control the The sliding bracket (3) reciprocates on the guide rail (2); The loading device (4) is fixed above the sliding bracket (3) through a fixing beam (5), a pressure sensor is provided on the loading device (4), and a rolling wheel ( 41); The sliding bracket (3) is also provided with a displacement sensor (32) and a fixing device (33) for fixing the test plate (7), wherein the displacement sensor (32) is located on the side of the rolling wheel (41). on the radial central axis and below the installed test plate (7); The motor (31), the loading device (4), the limiting device (21), the pressure sensor and the displacement sensor (32) are all connected with the control device (6). 2. The test device for testing the rolling load of an anti-static raised floor according to claim 1, wherein the fixing device (33) comprises at least two parallel-arranged I-shaped steel structures, wherein the The length direction is perpendicular to the length direction of the guide rail (2); One side surface of the I-shaped steel structure is fixedly connected with the sliding bracket (3), so that the grooves of two adjacent I-shaped steel structures are arranged oppositely; The distance between the two adjacent I-shaped steel structures is adapted to the size of the test plate (7), so that the opposite ends of the test plate (7) are clamped on the two adjacent I-shaped steel structures. in the groove. 3. The test device for testing anti-static raised floor rolling load according to claim 2, wherein the sliding support (3) comprises two U-shaped channel steels (34) arranged oppositely; The U-shaped grooves of the two oppositely arranged U-shaped channel steels (34) are respectively sleeved on the two rails of the guide rail (2). 4. The test device for testing anti-static raised floor rolling load according to claim 1, wherein the fixed beam (5) comprises two sets of first fixed beams (51) and second fixed beams arranged at intervals The beam (52), the first fixed beam (51) and the second fixed beam (52) have the same structure; The first fixed beam (51) includes two first vertical beams (511) and a first transverse beam (512), and the second fixed beam (52) includes two second vertical beams (521) and a first horizontal beam (512). a second beam (522); The two first vertical beams (511) are respectively located on both sides of the sliding bracket (3) and are vertically fixed to both ends of the test bench (1), and the top ends of the two first vertical beams (511) connected with the first beam (512); The two second vertical beams (521) are respectively located on both sides of the sliding bracket (3) and are vertically fixed to both ends of the test bench (1), and the top ends of the two second vertical beams (521) connected with the second beam (522); Both the first beam (512) and the second beam (522) are perpendicular to the length direction of the guide rail (2); The top of the loading device (4) is fixed between the first beam (512) and the second beam (522), and the axial direction of the rolling wheel (41) is the same as that of the first beam (512) or the second beam (522). The two beams (522) are parallel. 5. The test device for testing anti-static raised floor rolling load according to claim 4, characterized in that it further comprises at least one connecting beam (51) and the second fixing beam (52) connected to the first fixed beam (52). firmware(53); The reinforcing member (53) is located on the lower side of the fixing beam (5); The reinforcement member (53) includes two first reinforcement members (531) and a second reinforcement member (532), wherein the two first reinforcement members (531) are respectively used to connect the sliding bracket (531) located on the sliding bracket ( 3) the first vertical beam (511) and the second vertical beam (521) on the same side, the second reinforcement member (532) is vertically connected with the two first reinforcement members (531); The upper side of the first fixing beam (51) is connected with a first triangular fixing piece (513), and the upper side of the second fixing beam (52) is connected with a second triangular fixing piece (523). 6 . The test device for testing the rolling load of an antistatic raised floor according to claim 1 , wherein the loading device ( 4 ) is located at a middle position in the length direction of the guide rail ( 2 ). 7 . 7. The test device for testing anti-static raised floor rolling load according to claim 1, characterized in that, further comprising an operation display interface (8), the operation display interface (8) and the control device (6) )connect. 8. The test device for testing the rolling load of an anti-static raised floor according to claim 1, wherein the limiting device (21), the pressure sensor and the displacement sensor (32) are all connected with the control device (21). 6) Connected by wired communication. 9. The test device for testing the rolling load of an anti-static raised floor according to claim 1, characterized in that it comprises three kinds of rolling wheels (41). 10. A test method for testing anti-static raised floor rolling load, wherein the method is applied to the anti-static raised floor rolling load test device according to any one of claims 1-9, and the method comprises: Install the test plate (7) on the fixing device (33), and install the corresponding type of rolling wheel (41) according to the model of the test plate (7); The control device (6) controls the rolling wheel (41) to contact the test plate (7), and controls the loading device (4) to load to a preset rolling load value; Adjust the displacement value of the displacement sensor (32) to zero; The control device (6) controls the sliding bracket (3) to drive the test plate (7) to reciprocate on the guide rail (2); The control device (6) receives the data collected by the displacement sensor (32) and the limiting device (21), and processes the data; If the maximum displacement value collected by the displacement sensor (32) exceeds the preset displacement value, or the number of cycles collected by the limiting device (21) reaches the preset number of cycles, the control device (6) controls the sliding bracket (3) ) to stop the movement; wherein, if the maximum displacement value collected by the displacement sensor (32) exceeds the preset displacement value, the number of cycles collected by the limiting device (21) is recorded; if the number of cycles collected by the limiting device (21) reaches the preset value cycle times, the maximum displacement value collected by the displacement sensor (32) is recorded.

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