CN118877703A - A top beam flip auxiliary mechanism and flip method for hydraulic support assembly - Google Patents
A top beam flip auxiliary mechanism and flip method for hydraulic support assembly Download PDFInfo
- Publication number
- CN118877703A CN118877703A CN202411055844.6A CN202411055844A CN118877703A CN 118877703 A CN118877703 A CN 118877703A CN 202411055844 A CN202411055844 A CN 202411055844A CN 118877703 A CN118877703 A CN 118877703A
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- Prior art keywords
- top beam
- flip
- flipping
- sling
- chain
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
- B66C1/18—Band-type slings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C11/00—Trolleys or crabs, e.g. operating above runways
- B66C11/02—Trolleys or crabs, e.g. operating above runways with operating gear or operator's cabin suspended, or laterally offset, from runway or track
- B66C11/04—Underhung trolleys
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C11/00—Trolleys or crabs, e.g. operating above runways
- B66C11/16—Rope, cable, or chain drives for trolleys; Combinations of such drives with hoisting gear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C19/00—Cranes comprising trolleys or crabs running on fixed or movable bridges or gantries
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
本发明公开了一种用于液压支架装配的顶梁翻转辅助机构及翻转方法，涉及液压支架装配技术领域，包括龙门型的钢结构框架，钢结构框架上设置有至少两组可左右移动的电动升降葫芦，电动升降葫芦的移动端上连接有翻转头，翻转头包括壳体，壳体外部固定安装有驱动电机，驱动电机的输出端延伸至壳体内部固定安装有齿轮，齿轮上绕设有翻转吊链，翻转吊链两端分别连接在一根翻转吊带的两端；有益效果在于：通过翻转吊带将顶梁沿长度方向翻转优化为侧向翻转，降低翻转高度和翻转难度，减小厂房基建成本；采用翻转吊带进行翻转，操作难度小，且翻转吊带表面安装聚氨酯垫块，增大翻转吊带与顶梁表面摩擦，可降低长时间使用过程中顶梁棱边对翻转吊带的磨损。
The invention discloses a top beam flipping auxiliary mechanism and flipping method for assembling a hydraulic support, and relates to the technical field of hydraulic support assembly, comprising a gantry-type steel structure frame, on which at least two groups of electric lifting hoists that can move left and right are arranged, and a flipping head is connected to the movable end of the electric lifting hoist, and the flipping head comprises a shell, on the outside of which a driving motor is fixedly installed, and the output end of the driving motor extends to the inside of the shell and a gear is fixedly installed, and a flipping chain is wound around the gear, and the two ends of the flipping chain are respectively connected to the two ends of a flipping sling; the beneficial effects are: the flipping of the top beam along the length direction is optimized to lateral flipping by the flipping sling, the flipping height and flipping difficulty are reduced, and the capital construction cost of the plant is reduced; the flipping sling is used for flipping, and the operation difficulty is small, and a polyurethane pad is installed on the surface of the flipping sling to increase the friction between the flipping sling and the top beam surface, which can reduce the wear of the flipping sling by the top beam edge during long-term use.
Description
Technical Field
The invention relates to the technical field of hydraulic support assembly, in particular to a top beam overturning auxiliary mechanism and a top beam overturning method for hydraulic support assembly.
Background
The hydraulic support is one of key equipment of a fully-mechanized coal mining face, development of coal mining technology and high-efficiency and high-recovery mining requirements of extra-thick coal layers are accelerated, lifting of structural forms of the hydraulic support is accelerated, and along with continuous lifting of working resistance and supporting height of the hydraulic support, overturning difficulty of a top beam in the assembly process of the hydraulic support is also gradually improved.
The hydraulic support top beam is of an integral box-shaped structure, the bottom surface is a flat plate surface, the hydraulic support top beam is generally laid on the ground in the assembly process, and materials are assembled on the surface of the top beam manually. However, in the underground use process of the hydraulic support, the back plate surface of the top beam is used for supporting and protecting the coal seam or gangue on the top of the coal face from falling, and therefore the 180-degree turnover buckling frame is required after the assembly of the top beam component is completed. As shown in fig. 3, the main turning mode at present is that a top beam lifting tool penetrates into a top beam tail end top-masking hinge hole, a crown block drives the top beam to lift to a vertical position through a steel wire rope lifting tool, at the moment, a top beam front end protection side is still in contact with the ground, then the crown block is controlled to move forwards while a travelling trolley is controlled to fall down, and the top beam can be turned 180 degrees along the length direction and placed on the ground. In the process, the crown block is required to be lifted to a complete vertical state of the top beam. The length of the top beam of the hydraulic support with the supporting height of more than eight meters is more than 9.3 meters at present, the height of a factory building and a crown block is more than 13 meters to meet the requirement of the existing overturning mode, the foundation cost is increased, the space utilization rate is low, the operation difficulty in the overturning process is high, the top beam overturning process completely depends on the skilled operation of a crown block worker, the overturning efficiency is low, the requirement on the technical skill level of the crown block worker is high, the hoisting height is high, the operation risk is high, the falling object of the top beam surface is easy to hurt people, the danger is high, the back surface of a face protection plate at the front end of the top beam is rubbed with the ground in the overturning process, the surface parts and paint of the face protection plate are easy to damage, the follow-up face protection plate is required to be repaired manually, the labor intensity of personnel is increased, the face protection plate part contacted with the ground is easy to damage, and the extra repairing cost is increased.
Disclosure of Invention
The invention aims to solve the problems and provide a top beam overturning auxiliary mechanism and a top beam overturning method for hydraulic support assembly.
The invention realizes the above purpose through the following technical scheme:
The utility model provides a back timber upset complementary unit for hydraulic support assembly, includes the steel construction frame of planer-type, but be provided with two at least groups electric hoist that move about on the steel construction frame, be connected with the upset head on electric hoist's the mobile terminal, the upset head includes the casing, the outside fixed mounting of casing has driving motor, driving motor's output extends to casing inside fixed mounting has the gear, around being equipped with the upset hanging chain on the gear, the both ends at a upset suspender are connected respectively at the both ends of upset hanging chain.
Preferably: the overturning hanging chain is meshed with a gear inside the overturning head, so that the reciprocating motion of the overturning hanging chain is realized.
Preferably: one end of the overturning hanging strip is fixedly connected with the overturning hanging chain, and the other end of the overturning hanging strip is detachably connected with the overturning hanging chain through a hook; the overturning suspender passes through the pocket from the lower part of the top beam to lift the top beam.
Preferably: the polyurethane cushion blocks are arranged on one side, close to the top beam, of the overturning hanging strip, and are uniformly distributed on the surface of the overturning hanging strip at intervals.
Preferably: the number of the electric lifting hoists is 3.
A top beam overturning method for hydraulic support assembly, the top beam overturning auxiliary mechanism for hydraulic support assembly comprises the following steps:
Step S1: before the top beam is turned over, the distance between the electric lifting blocks is manually adjusted, so that the electric lifting blocks are uniformly distributed in the length direction of the top beam, and the center of gravity is ensured to be stable in the lifting process; one end of the overturning hanging strip is connected with the overturning hanging chain, and the other end of the overturning hanging strip passes through the lower part of the top beam backboard, is used for holding the top beam, and is then connected with the overturning hanging chain.
Step S2: and then the overturning head is controlled to hoist simultaneously through the electric lifting hoist, the top beam is controlled to rise to the designated height, and enough space is ensured to realize the lateral overturning of the top beam.
Step S3: the driving motor is started to rotate, the overturning hanging chain is meshed with the gear, so that the overturning hanging chain and the overturning hanging belt rotate, and the top beam is driven to overturn along the width direction until the top beam completes 180-degree overturning.
Step S4: then, the electric hoist drives the top beam to descend to the ground, the connection between the overturning hanging belt and the overturning hanging chain is untied, then the overturning hanging belt is pulled out from the lower part of the top beam, and finally the electric hoist is started to drive the overturning head to reset, so that the top beam overturning is completed.
Preferably: in the step S2, the designated height of the top beam is controlled to exceed the width dimension of the top beam by 1/2.
Compared with the prior art, the invention has the beneficial effects that:
1. The turning direction of the top beam is changed, the turning direction of the top beam is optimized to be turned in the width direction of the top beam, the occupied space height of turning equipment is reduced to 8 meters from 13 meters at the highest, the size limitation of a turning space area is reduced, and the turning requirement of all frame type hydraulic support top beams can be met in a general assembly workshop;
2. The top beam turns over in the air, is not rubbed with the ground, has no abrasion scratch on the surface of a workpiece, does not need manual repair in the later period, reduces the labor intensity of personnel and reduces the repair cost.
3. In the overturning process, a person only needs to pass through the overturning hanging belt from the lower part of the top beam to be connected with the overturning hanging chain, so that the professional level requirement on the person is not high, and the operability is strong.
4. Three groups of overturning suspenders are fixed in the overturning process of the top beam, the gravity center is stable, the whole overturning height is low, and the safety is higher in the whole process.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a schematic diagram of a front view structure of a top beam turning auxiliary mechanism and a turning method for hydraulic bracket assembly according to the present invention.
Fig. 2 is a schematic right-side view of a top beam turning auxiliary mechanism and a turning method for hydraulic bracket assembly according to the present invention.
Fig. 3 is a schematic diagram of a top beam overturning process of the prior art hydraulic bracket assembly described in the background of the invention.
The reference numerals are explained as follows:
1. a steel structural frame; 2. an electric hoist; 3. a turnover head; 4. a cushion block; 5. a top beam; 6. overturning the hanging strip; 7. and (5) turning over the hanging chain.
Detailed Description
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention, and furthermore, the terms "first", "second", etc. are used for descriptive purposes only and should not be construed to indicate or imply relative importance or implying a number of the indicated technical features, whereby the features defining "first", "second", etc. may explicitly or implicitly include one or more of such features.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or by communication between two elements, the specific meaning of the terms in the present disclosure will be understood by those skilled in the art in view of the specific circumstances.
The invention is further described below with reference to the accompanying drawings:
as shown in fig. 1-2, a top beam overturning auxiliary mechanism for hydraulic support assembly comprises a gantry type steel structure frame 1, three groups of electric lifting hoists 2 capable of moving left and right are arranged on the steel structure frame 1, overturning heads 3 are connected to the moving ends of the electric lifting hoists 2, the overturning heads 3 are connected with the lifting hoists through lifting hooks and are suspended below the electric lifting hoists 2, the overturning heads 3 comprise a shell, a driving motor is fixedly arranged outside the shell and is a forward-reverse rotating motor, the output end of the driving motor extends to the inside of the shell and is fixedly provided with gears, overturning hanging chains 7 are wound on the gears, and two ends of each overturning hanging chain 7 are respectively connected with two ends of one overturning hanging belt 6.
The overturning hanging chain 7 is meshed with a gear inside the overturning head 3, so that the overturning hanging chain 7 can reciprocate; one end of the overturning hanging strip 6 is fixedly connected with the overturning hanging chain 7, the other end of the overturning hanging strip 6 is detachably connected with the overturning hanging chain 7 through a hook, and the overturning hanging chain 7 and the overturning hanging strip 6 form a closed loop; the overturning suspender 6 passes through the pocket from below the top beam 5 to lift the top beam 5.
The polyurethane cushion blocks 4 are arranged on one side of the overturning suspender 6, which is close to the top beam 5, and are uniformly distributed on the surface of the overturning suspender 6 at intervals, so that the friction force between the overturning suspender 6 and the top beam 5 is increased, and the abrasion of the edge of the top beam 5 to the overturning suspender 6 in the long-time use process can be reduced.
The top beam 5 overturning method for hydraulic support assembly uses the top beam 5 overturning auxiliary mechanism for hydraulic support assembly, and comprises the following steps:
step S1: before the top beam 5 is turned over, the spacing between the three groups of electric lifting hoists 2 is manually adjusted, so that the three groups of electric lifting hoists 2 are uniformly distributed in the length direction of the top beam 5, and the gravity center is ensured to be stable in the lifting process; one end of the overturning hanging strip 6 is connected with the overturning hanging chain 7, and the other end passes through the lower part of the back plate of the top beam 5, is used for holding the top beam 5, and is then connected with the overturning hanging chain 7.
Step S2: then the overturning head 3 is controlled to hoist simultaneously through the electric lifting hoist 2, the top beam 5 is controlled to rise to the appointed height, the appointed height of the top beam 5 is controlled to exceed the width dimension of 1/2 of the top beam 5, and enough space is ensured to realize the lateral overturning of the top beam 5.
Step S3: the driving motor is started to rotate, and the overturning hanging chain 7 is meshed with the gear, so that the overturning hanging chain 7 and the overturning hanging belt 6 rotate, and the top beam 5 is driven to overturn along the width direction until the top beam 5 finishes 180-degree overturning.
Step S4: then, the electric hoist 2 drives the top beam 5 to descend to the ground, the connection between the overturning hanging belt 6 and the overturning hanging chain 7 is released, the overturning hanging belt 6 is pulled out from the lower portion of the top beam 5, and finally the electric hoist 2 is started to drive the overturning head 3 to reset, so that the top beam 5 is overturned.
The top beam 5 is completely in the air in the overturning process and is not in contact with other hard surfaces, and the polyurethane cushion block 4 and the overturning hanging strip 6 have certain elasticity, so that the surface of a workpiece is not worn, the repairing labor is reduced, the lateral overturning lifting height of the top beam 5 is only required to be larger than the width of the top beam 5, the lifting height is reduced, and the safety is higher in the overturning process; in addition, the top beam 5 is turned sideways, the top beam 5 is automatically driven to turn by the turning head 3, the turning process is stable, the automation degree is high, personnel do not need to interfere in the process, personnel only need to be responsible for penetrating and fixing the turning hanging strip 6, and the requirement on the skill level of the personnel is not high.
While there have been shown and described what are at present considered to be fundamental principles, main features and advantages of the present invention, it will be understood by those skilled in the art that the present invention is not limited to the foregoing embodiments, but rather, the foregoing embodiments and description illustrate only the principles of the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411055844.6A CN118877703A (en) | 2024-08-02 | 2024-08-02 | A top beam flip auxiliary mechanism and flip method for hydraulic support assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411055844.6A CN118877703A (en) | 2024-08-02 | 2024-08-02 | A top beam flip auxiliary mechanism and flip method for hydraulic support assembly |
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| CN118877703A true CN118877703A (en) | 2024-11-01 |
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| CN202411055844.6A Pending CN118877703A (en) | 2024-08-02 | 2024-08-02 | A top beam flip auxiliary mechanism and flip method for hydraulic support assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120921537A (en) * | 2025-09-19 | 2025-11-11 | 四川汇佰利科技有限公司 | Intelligent processing method and equipment for building model structure |
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2024
- 2024-08-02 CN CN202411055844.6A patent/CN118877703A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120921537A (en) * | 2025-09-19 | 2025-11-11 | 四川汇佰利科技有限公司 | Intelligent processing method and equipment for building model structure |
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| PB01 | Publication | ||
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Country or region after: China Address after: 450016 No. 167, 9th Street, Zhengzhou area (Economic Development Zone), Henan pilot Free Trade Zone, Zhengzhou City, Henan Province Applicant after: China Innovation Leadership (Zhengzhou) Industrial Technology Group Co., Ltd. Address before: No. 167, 9th Street, Zhengzhou Area (Economic Development Zone), Henan Pilot Free Trade Zone, Zhengzhou City, Henan Province Applicant before: ZHENGZHOU COAL MINING MACHINERY GROUP Co.,Ltd. Country or region before: China |