CN222686815U - High-pressure grouting system - Google Patents
High-pressure grouting system Download PDFInfo
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- CN222686815U CN222686815U CN202421554956.1U CN202421554956U CN222686815U CN 222686815 U CN222686815 U CN 222686815U CN 202421554956 U CN202421554956 U CN 202421554956U CN 222686815 U CN222686815 U CN 222686815U
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Abstract
The utility model discloses a high-pressure grouting system which comprises a plurality of grouting pumps, a plurality of hydraulic pumps, a plurality of motors, a control device, an electric device and a grouting block device, wherein proximity switches are respectively arranged at two ends of an oil cylinder of each grouting pump, the electric device is in communication connection with each proximity switch, the electric device is in communication connection with the control device, the oil cylinder of each grouting pump is connected with one hydraulic pump, each hydraulic pump is connected with one motor, the control device is electrically connected with each motor, an electromagnetic reversing valve is arranged between the connected hydraulic pump and the oil cylinder of each grouting pump to switch the flow direction of hydraulic oil in the oil cylinder of each grouting pump, and a high-pressure grouting port of each grouting pump is respectively connected to a grouting port of the grouting block device through a high-pressure grouting pipe and performs high-pressure grouting through the grouting port of the grouting block device.
Description
Technical Field
The utility model relates to the technical field of grouting engineering, in particular to a high-pressure grouting system.
Background
As one of the important devices of the high-pressure injection grouting method, a high-pressure grouting pump is required to output required pressure and flow rate to meet the requirements of engineering construction. With the rapid development of the jet grouting construction process, geological conditions become variable, and the pressure and flow of the pump output are required to be adjusted along with the change of geological environment.
At present, most of existing high-pressure grouting pumps at home and abroad adopt plunger technology, namely a motor or an engine is utilized to drive a crankshaft structure, one or more plungers are hung on the crankshaft, and the plungers are driven to reciprocate through the rotation of the crankshaft, so that the purposes of sucking and discharging are realized, and slurry medium is pressurized.
The existing high-pressure grouting pump has the advantages of simple structure, convenient operation, large grouting quantity and large grouting pressure, but in the grouting working process, pulses exist, if the slurry is carelessly mixed with sand, parts such as a piston, a sealing ring, a cylinder wall and the like are extremely easily damaged, and high power is required for grouting in the process of large flow. When the grouting pressure and flow are required to be regulated, the pressure and flow of the slurry discharged from the pump are regulated by manually replacing plungers with different sizes, so that the operation is troublesome, and time and labor are wasted.
In the prior art, an attempt has been made to perform grouting simultaneously by using a plurality of grouting pumps to realize grouting construction with high pressure and high flow, but when the plurality of grouting pumps perform grouting and grouting operations at the same time, resonance phenomenon is generated, so that great potential safety hazard is caused.
Therefore, the high-pressure grouting system which has a simple structure and is easy and convenient to operate and can effectively avoid resonance phenomenon is an urgent problem in the industry to be solved.
Disclosure of utility model
In view of the above problems, it is an object of the present utility model to provide a high-pressure grouting system which can solve the problems of pulse, resonance, etc., and improve on the basis of the existing equipment, thereby realizing a low-cost, high-efficiency, energy-saving high-flow and high-pressure slurry output.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a high-pressure grouting system, which comprises a plurality of grouting pumps, a plurality of hydraulic pumps, a plurality of motors, a control device, an electric device and a slurry collecting block device, wherein,
The two ends of the oil cylinder of each grouting pump are respectively provided with a proximity switch, the electric device is in communication connection with each proximity switch to detect the state of each proximity switch, and the electric device is in communication connection with the control device to transmit the opening and closing information of each proximity switch;
The control device is connected with each motor to control the working state of each motor, an electromagnetic reversing valve is arranged between the connected hydraulic pump and the oil cylinder of the grouting pump to switch the flow direction of hydraulic oil in the oil cylinder of the grouting pump, and the control device is connected with each electromagnetic reversing valve in a communication way, so that the grouting or discharging operation of each grouting pump is controlled and changed according to the opening and closing information of each proximity switch;
The high-pressure slurry discharge ports of each slurry pump are respectively connected to the slurry inlet ports of the slurry collecting block device through high-pressure slurry discharge pipes so as to transmit high-pressure slurry discharged by a plurality of slurry pumps to the slurry collecting block device and perform high-pressure slurry injection through the slurry injection ports of the slurry collecting block device.
The working process of each grouting pump is that the motor drives the hydraulic pump, the hydraulic pump drives the oil cylinder of the grouting pump, and the oil cylinder of the grouting pump reciprocates to drive the grouting cylinder of the grouting pump. The high-pressure grouting system is provided with a plurality of motors, hydraulic pumps and grouting pumps, each motor drives the hydraulic pump respectively, the hydraulic pump drives the oil cylinder of the grouting pump through a pipeline and a valve respectively, the oil cylinder acts back and forth, the shafts of the grouting cylinders of the grouting pump can be driven to act together, grouting and grouting are realized, finally, multiple paths of high-pressure grouting are converged to a grouting block device, and the grouting block device with pressure maintaining capability performs high-pressure grouting.
In some embodiments, the slurry collecting block device comprises a slurry collecting valve body, a plurality of slurry inlets are formed in the four walls of the slurry collecting valve body, a one-way valve is arranged at each slurry inlet, one slurry inlet is communicated with a high-pressure slurry outlet of one slurry injection pump through a high-pressure slurry outlet pipe, therefore, slurry can only be output into the slurry collecting block device and cannot flow back to the slurry injection pump by utilizing the one-way valve, a slurry main pipeline is arranged in the slurry collecting valve body, each slurry inlet is communicated with the slurry main pipeline through a pipeline, a slurry hydraulic pressure sensor is arranged at the top of the slurry main pipeline, and the slurry injection port is arranged at the bottom of the slurry main pipeline.
In some embodiments, the high pressure grouting system comprises 2-10 grouting pumps, 2-10 hydraulic pumps and 2-10 motors, in particular, the high pressure grouting system comprises 2 grouting pumps, 2 hydraulic pumps and 2 motors, in particular, the high pressure grouting system comprises 3 grouting pumps, 3 hydraulic pumps and 3 motors, in particular, the high pressure grouting system comprises 4 grouting pumps, 4 hydraulic pumps and 4 motors, in particular, the high pressure grouting system comprises 5 grouting pumps, 5 hydraulic pumps and 5 motors, in particular, the high pressure grouting system comprises 6 grouting pumps, 6 hydraulic pumps and 6 motors, in particular, the high pressure grouting system comprises 7 grouting pumps, 7 hydraulic pumps and 7 motors, in particular, the high pressure grouting system comprises 8 grouting pumps, 8 hydraulic pumps and 8 motors, in particular, the high pressure grouting system comprises 9 motors, 9 grouting pumps and 9 hydraulic pumps and 10 grouting systems comprises 10 grouting pumps and 10 grouting systems.
In some embodiments, the control device sets the response time of the electromagnetic directional valve according to the frequency of the grouting pump.
In some embodiments, each of the hydraulic pumps is provided with an oil feed line and an oil return line.
In some embodiments, the low-pressure grouting inlet of each grouting pump is connected with the same type of grouting barrel or different types of grouting barrels respectively, so that the high-pressure grouting system can realize high-pressure grouting of the same type of grouting and mixed grouting of different types of grouting. When different slurry mixing grouting is carried out, the proportioning of different slurries can be realized by controlling the number of grouting machines for carrying out different slurry grouting.
In some embodiments, all the hydraulic pumps are connected to the same oil tank, the oil tank is a place where hydraulic oil is stored, the hydraulic oil is moved back and forth, an oil temperature sensor and a liquid level sensor are arranged on the oil tank, and a pressure sensor is arranged on each hydraulic pump.
In some embodiments, the control means adjusts the number of grouting pumps involved in grouting by activating the number of motors.
In some embodiments, the control device sets the discharge time of each grouting pump through the electromagnetic directional valve.
The utility model has the advantages of (1) wide application field, wide application in the grouting field, the spin-spraying field, the fracturing field, the emulsion injection field and the like which need high-pressure injection, (2) adopting a plurality of hydraulic reciprocating cylinders to drive pistons in parallel so as to suck and discharge slurry and realize high-flow and high-pressure slurry output, (3) adopting a modern electric control technology to control the reversing of the hydraulic cylinders and adopting a novel confluence design so as to solve the problems of pulse, resonance and the like, and the utility model can realize low-cost, high-efficiency, energy-saving and high-flow and high-pressure slurry output because the number of the parallel connection can be more than 2 to 10, and (4) utilizing an electromagnetic reversing valve to set the slurry discharge time of each grouting pump, and sequentially setting the delay time of slurry discharge according to the number and the frequency of the participating grouting pumps, thereby avoiding the generation of resonance phenomenon and greatly improving the construction safety.
Drawings
FIG. 1 shows an assembly schematic of a high pressure grouting system provided by the present utility model;
FIG. 2 shows an assembly schematic of the slurry collecting block device provided by the utility model;
Reference numerals illustrate:
1-grouting pump, 2-hydraulic pump, 3-electric device, 4-slurry collecting block device, 40-slurry collecting valve body, 41-slurry inlet, 42-check valve, 43-slurry main pipeline, 44-slurry hydraulic pressure sensor and 45-slurry inlet.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", "inner", "outer", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the system or element referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Moreover, the use of the terms first, second, etc. to define elements is merely for convenience in distinguishing the elements from each other, and the terms are not specifically meant to indicate or imply relative importance unless otherwise indicated.
In the description of the present utility model, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
As a non-limiting embodiment, as shown in fig. 1, the present utility model provides a high-pressure grouting system, which comprises six grouting pumps 1, six hydraulic pumps 2, six motors (not shown in the figure), a control device (not shown in the figure), an electric device 3 and a slurry collecting block device 4, wherein proximity switches are respectively arranged at two ends of an oil cylinder of each grouting pump 1, the electric device is in communication connection with each proximity switch, so that the state of each proximity switch can be detected, and the electric device 3 is in communication connection with the control device, so that the opening and closing information of each proximity switch can be transmitted to the control device.
The hydraulic cylinders of each grouting pump 1 are connected with one hydraulic pump 2, each hydraulic pump 2 is connected with one motor, the control device is electrically connected with each motor so as to control the working state of each motor, an electromagnetic reversing valve is arranged between the connected hydraulic pump 2 and the hydraulic cylinders of the grouting pumps 1, so that the flow direction of hydraulic oil in the hydraulic cylinders of the grouting pumps is switched by the electromagnetic reversing valve, and the control device is in communication connection with each electromagnetic reversing valve so as to control and change the slurry sucking or discharging operation of each grouting pump according to the opening and closing information of each proximity switch.
The high-pressure discharge ports (not shown in the drawing) of each grouting pump 1 are respectively connected to the inlet ports of the block collecting device 4 through high-pressure discharge pipes, so that the high-pressure grouting liquid discharged from the six grouting pumps is transferred to the block collecting device 4, and high-pressure grouting is performed through the grouting ports of the block collecting device 4.
The working process of each grouting pump is that the motor drives the hydraulic pump, the hydraulic pump drives the oil cylinder of the grouting pump, and the oil cylinder of the grouting pump reciprocates to drive the grouting cylinder of the grouting pump. The high-pressure grouting system is provided with six motors, six hydraulic pumps and six grouting pumps, the six motors respectively drive the six hydraulic pumps, the six hydraulic pumps respectively drive the oil cylinders of the six grouting pumps through pipelines and valves, the oil cylinders move back and forth, shafts of the grouting cylinders of the grouting pumps can be driven to move together, grouting and grouting are realized, and finally, six paths of high-pressure grouting are converged to a grouting block device, and the grouting block device with pressure maintaining capability performs high-pressure grouting.
As another non-limiting embodiment, as shown in fig. 2, the slurry collecting block device 4 comprises a slurry collecting valve body 40, six slurry inlets 41 (three are visible in the figure) are arranged on four walls of the slurry collecting valve body, a one-way valve 42 is arranged at each slurry inlet 41, and one slurry inlet 41 is communicated with a high-pressure slurry outlet of one grouting pump 1 through a high-pressure slurry outlet pipe, so that the one-way valve 42 ensures that slurry can only be output into the slurry collecting block device 4, and the grouting pump cannot be reversed. The slurry collecting valve body 40 is internally provided with a slurry main pipeline 43, each slurry inlet 41 is communicated with the slurry main pipeline 43 through a pipeline, the top of the slurry main pipeline 43 is provided with a slurry hydraulic pressure sensor 44, and the slurry injecting port 45 is arranged at the bottom of the slurry main pipeline 43.
Therefore, the slurry of the six-way grouting pump is connected to the slurry collecting block device 4 through six groups of high-pressure slurry outlet pipes, the electric device detects the state of the proximity switch, and the control device controls the reversing operation of each hydraulic cylinder, so that stable flow output and pressure output of the slurry are realized. In actual work, the number of hydraulic pumps is adjusted by starting the proper number of motors, so that the number of grouting pumps participating in work is controlled, and proper functions are realized.
In this non-limiting embodiment, the electromagnetic directional valve sets a delay time according to the frequency of the grouting pump, the proximity switch serves as a detection device, and the electromagnetic directional valve serves as an execution device.
Therefore, the information high-pressure grouting system provided by the utility model has the advantages that the slurry suction ports and the slurry discharge ports of a plurality of grouting pumps with high-pressure property are connected in parallel, the slurry discharge ports are finally returned into one path through the pipeline, so that the slurry output with larger flow is realized, the information high-pressure grouting system can be used as a plurality of high-pressure grouting pumps when the slurry is not converged, the information high-pressure grouting system is flexible and changeable, the application occasion is wide, any modification to the existing equipment is not needed, meanwhile, the effect of avoiding resonance can be realized by utilizing the cooperation of the proximity switch and the electromagnetic reversing valve, and the construction safety is greatly improved.
Therefore, the resonance solving mode is realized by controlling the time and sequence of each grouting pump for pumping and discharging, for example, the frequency of a high-pressure grouting pump is 30 times/min, each pumping pump and discharging 1 time requires 2 seconds, the program setting controls the time of each pump for discharging 2 seconds/6 times, namely, for example, a No. 1 pump electromagnetic valve changes direction to discharge the slurry, the No. 2 pump delays for 2/6 seconds, the No. 3 pump delays for 4/6 seconds and discharges the slurry, the No. 4 pump delays for 6/6 seconds and discharges the slurry, the No. 5 pump delays for 8/6 seconds and discharges the slurry after 6 seconds, and the like, and the slurry discharge circulation of the No. 6 pumps is completed for 2 seconds and is repeated, so that the asynchronization of the slurry discharge time is realized, and the occurrence of resonance is reduced.
It should be noted that the above-mentioned embodiments are merely for illustrating the technical solution of the present utility model, and not for limiting the same, and although the present utility model has been described in detail with reference to the above-mentioned embodiments, it should be understood by those skilled in the art that the technical solution described in the above-mentioned embodiments may be modified or some technical features may be equivalently replaced, and these modifications or substitutions do not make the essence of the corresponding technical solution deviate from the spirit and scope of the technical solution of the embodiments of the present utility model.
Claims (6)
1. A high-pressure grouting system is characterized by comprising a plurality of grouting pumps, a plurality of hydraulic pumps, a plurality of motors, a control device, an electric device and a slurry collecting block device, wherein,
The two ends of the oil cylinder of each grouting pump are respectively provided with a proximity switch, the electric device is in communication connection with each proximity switch to detect the state of each proximity switch, and the electric device is in communication connection with the control device to transmit the opening and closing information of each proximity switch;
The control device is connected with each motor to control the working state of each motor, an electromagnetic reversing valve is arranged between the connected hydraulic pump and the oil cylinder of the grouting pump to switch the flow direction of hydraulic oil in the oil cylinder of the grouting pump, and the control device is connected with each electromagnetic reversing valve in a communication way, so that the grouting or discharging operation of each grouting pump is controlled and changed according to the opening and closing information of each proximity switch;
the high-pressure slurry discharge ports of each slurry pump are respectively connected to the slurry inlet ports of the slurry collecting block device through high-pressure slurry discharge pipes so as to transmit high-pressure slurry discharged by a plurality of slurry pumps to the slurry collecting block device and perform high-pressure slurry injection through the slurry injection ports of the slurry collecting blocks.
2. The high-pressure grouting system as claimed in claim 1, wherein the slurry collecting block device comprises a slurry collecting valve body, a plurality of slurry inlets are formed in four walls of the slurry collecting valve body, a one-way valve is arranged at each slurry inlet, one slurry inlet is communicated with one high-pressure slurry outlet of the grouting pump through a high-pressure slurry outlet pipe, a slurry main pipeline is arranged in the slurry collecting valve body, each slurry inlet is communicated with the slurry main pipeline through a pipeline, a slurry hydraulic pressure sensor is arranged at the top of the slurry main pipeline, and the slurry inlets are formed in the bottom of the slurry main pipeline.
3. The high pressure grouting system of claim 1, wherein the high pressure grouting system comprises 2-10 grouting pumps, 2-10 hydraulic pumps and 2-10 motors.
4. The high-pressure grouting system according to claim 1, wherein the control device sets the response time of the electromagnetic directional valve according to the frequency of the grouting pump.
5. The high pressure grouting system of claim 1, wherein the low pressure inlet of each grouting pump is connected with the same slurry storage cylinder or different slurry storage cylinders respectively.
6. The high-pressure grouting system according to claim 1, wherein all the hydraulic pumps are connected to the same oil tank, an oil temperature sensor and a liquid level sensor are arranged on the oil tank, and a pressure sensor is arranged on each hydraulic pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421554956.1U CN222686815U (en) | 2024-07-03 | 2024-07-03 | High-pressure grouting system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421554956.1U CN222686815U (en) | 2024-07-03 | 2024-07-03 | High-pressure grouting system |
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| Publication Number | Publication Date |
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| CN222686815U true CN222686815U (en) | 2025-03-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202421554956.1U Active CN222686815U (en) | 2024-07-03 | 2024-07-03 | High-pressure grouting system |
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