CN113879865A - Mining hydraulic support loading system - Google Patents
Mining hydraulic support loading system Download PDFInfo
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- CN113879865A CN113879865A CN202111267009.5A CN202111267009A CN113879865A CN 113879865 A CN113879865 A CN 113879865A CN 202111267009 A CN202111267009 A CN 202111267009A CN 113879865 A CN113879865 A CN 113879865A
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- bearing seat
- inclined strut
- loading system
- support
- section steel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G67/00—Loading or unloading vehicles
- B65G67/02—Loading or unloading land vehicles
- B65G67/04—Loading land vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/02—Articles
- B65G2201/0214—Articles of special size, shape or weigh
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Abstract
The invention relates to the technical field of mining construction, which comprises a plurality of ground connecting rails arranged in parallel at intervals, wherein a bearing seat is arranged above the ground connecting rails, a flat supporting jacking mechanism is fixedly arranged at the bottom of the bearing seat and is used for realizing the control of the horizontal height of the bearing seat, a plurality of side supporting section steels arranged along the width direction of the bearing seat are fixedly arranged at the top of the bearing seat at intervals, limiting sliding grooves are respectively and symmetrically arranged on the opposite side walls of two adjacent side supporting section steels, and a drawing inclined supporting guide mechanism is arranged on the bearing seat between the two adjacent side supporting section steels. The mining hydraulic support loading system is suitable for moving and transferring large supports under mines, construction can be carried out under the low and narrow environment under the mines according to needs, operation is convenient and fast, the whole system is provided with external equipment to realize traction, forward power does not need to be installed, and the whole volume is controllable in height.
Description
Technical Field
The invention relates to the technical field of mining construction, in particular to a mining hydraulic support loading system.
Background
When a large support is retracted on a working face in a coal mine underground, an anchor rod (anchor cable) is always adopted to hang an oil cylinder on a top plate, and the support is lifted and loaded by the oil cylinder. The mode has large damage to the top plate, larger dependence on the quality of an oil cylinder and an anchor rod (anchor cable), higher requirement on the size of a roadway, and certain potential safety hazard on site because personnel needs to operate by limbs in the loading process.
In addition, according to the problems in the prior art, many units have tried the hydraulic hoisting device to carry out construction, but because the size of the roadway at the withdrawing position of the working face is small in many times, the hydraulic hoisting device is difficult to operate and inconvenient to rotate after being installed, and the hydraulic hoisting device cannot be installed in a narrow area.
Therefore, after research and development, the unit designs a hydraulic support loading system special for operation and construction under the mine, so as to better solve the problems in the prior art.
Disclosure of Invention
In order to solve one of the technical problems, the invention adopts the technical scheme that: the mining hydraulic support loading system comprises a plurality of ground connecting rails arranged at intervals in parallel, a bearing seat is arranged above the ground connecting rails, a flat supporting jacking mechanism is fixedly arranged at the bottom of the bearing seat and is used for realizing the control of the horizontal height of the bearing seat, a plurality of wheel frames are arranged at the bottom of the flat supporting jacking mechanism, a multi-groove pulley is arranged at each wheel frame, each multi-groove pulley is respectively and slidably clamped on the corresponding ground connecting rail, a plurality of side support section steels arranged along the width direction of the bearing seat are fixedly arranged at the top of the bearing seat at intervals, limiting sliding grooves are respectively and symmetrically arranged on the opposite side walls of two adjacent side support section steels, a pull inclined support guide mechanism is arranged on the bearing seat between the two adjacent side support section steels, each pull inclined support guide mechanism is used for realizing the support and guide effects when a heavy object is transferred onto the bearing seat under the working state, the top of each drawing inclined strut guide mechanism is lower than the top of each side strut section steel.
In any of the above schemes, preferably, the tail end of each side supporting section steel is arranged downward, horizontally and backwards in a hook shape, the tail end of each limiting sliding groove extends to the tail end part of the side supporting section steel at the corresponding position, and the tail end of each limiting sliding groove is arranged horizontally.
In any of the above schemes, preferably, the pull inclined strut guide mechanism includes an inclined strut section steel with a U-shaped cross section, two sides of the front end of the inclined strut section steel are respectively and symmetrically welded with a welding shaft, the outer side wall of the welding shaft is movably sleeved with a wear-resistant cylinder sleeve, and the outer end portions of the two wear-resistant cylinder sleeves are movably extended into the corresponding limiting sliding grooves and are matched with the limiting sliding grooves.
In any of the above schemes, preferably, a plurality of guide material guiding rollers are sequentially and uniformly arranged in the U-shaped long groove of each of the inclined strut section steels at intervals along the length direction thereof, the central shafts at both ends of each guide material guiding roller are movably inserted into the rotating holes of the side walls of the inclined strut section steels at the corresponding positions, and the top of each guide material guiding roller is higher than the top of the inclined strut section steel and lower than the top of the side strut section steel at the corresponding position.
In any of the above schemes, preferably, a through hole is formed at the end of each of the two vertical sections of each of the diagonal brace section steels, one end of a connecting screw rod sequentially passes through each through hole at the end of each of the diagonal brace section steels, a locking nut is screwed on the external thread side wall of the connecting screw rod at each of the two sides of each of the diagonal brace section steels, and the locking nuts at the two sides of each of the diagonal brace section steels are used for locking the diagonal brace section steel at the current position in a matching manner.
In any of the above aspects, it is preferable that a reinforcing rib plate is welded to a hook-shaped portion of a distal end of each of the side-supporting section steels.
In any of the above schemes, preferably, the horizontal supporting and jacking mechanism is composed of four synchronous jacking cylinders vertically and fixedly mounted at the bottom of the supporting seat respectively, the bottom of the cylinder body of each synchronous jacking cylinder is fixedly mounted at the bottom of a fixed seat, each synchronous jacking cylinder realizes synchronous and same-direction lifting movement under the control of a hydraulic station, and each wheel carrier is fixedly mounted at the bottom of the fixed seat.
In any of the above schemes, preferably, a plurality of fixing earrings are respectively and fixedly arranged on the side walls of the two sides of the fixing seat; and a plurality of grounding lug seats which are respectively used for corresponding to the fixing lug rings are pre-buried and fixed on the underground ground outside the grounding rail along the length direction of the underground ground, and the tensioning of the tensile steel wire rope is realized between each grounding lug seat and the corresponding fixing lug ring.
In any of the above embodiments, preferably, a wire rope tractor is fixedly mounted on the top of the front end of the bearing seat.
In any of the above schemes, preferably, a traction steel wire rope is wound on a steel wire rope drum of the steel wire rope traction machine, and the tail end of the traction steel wire rope is used for being connected with a support to be pulled and transferred.
Compared with the prior art, the invention has the following beneficial effects:
1. the mining hydraulic support loading system is suitable for moving and transferring large supports under mines, construction can be carried out under the low and narrow environment under the mines according to needs, operation is convenient and fast, the whole system is provided with external equipment to realize traction, forward power does not need to be installed, and the whole volume is controllable in height.
2. When the mining hydraulic support loading system transfers a large-scale support, the effect limiting can be realized through the multi-groove pulleys and the ground connecting track, meanwhile, the tensioning and positioning of the whole structure can be realized through the tensile steel wire ropes connected between the ground connecting lug seats and the fixed lug rings, and the stability of the bottom of the whole system in the construction process is effectively ensured.
3. The whole system can realize that the lower end lands, the upper end chucking after can putting in place each pull bracing guiding mechanism backward pull before carrying out work, and each pull bracing guiding mechanism can cooperate as inclined plane direction bearing structure, is convenient for shift heavy object, support to the bearing seat, guarantees the state of laborsaving relatively.
4. When the heavy object and the support are guided upwards and forwards through the drawing inclined support guide mechanism, the function of saving labor can be better played through the traction of the steel wire rope tractor, and the smoothness and the high efficiency of transfer are ensured.
5. The synchronous jacking oil cylinders capable of controlling four synchronous motions can be used for controlling the lifting of the bearing seat according to needs, so that the requirement of the construction space in front of the bearing seat is met, and the universality is high.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or components are generally identified by like reference numerals. In the drawings, elements or components are not necessarily drawn to scale.
Fig. 1 is a schematic top view of the present invention.
Fig. 2 is a schematic view of a partial three-dimensional structure of the present invention.
Fig. 3 is a schematic three-dimensional structure diagram of the bearing seat and the side supporting section steel thereon.
Fig. 4 is a schematic partial side view of the present invention in an operating state.
Fig. 5 is a partial sectional structural view of the present invention.
FIG. 6 is a schematic top sectional view of the multiple-grooved pulley of the present invention engaged with a ground rail.
In the figure, 1, a ground track; 2. a bearing seat; 3. a wheel carrier; 4. a multi-grooved pulley; 5. side bracing section steel; 6. a limiting chute; 7. drawing the inclined strut guide mechanism; 8. hook-shaped; 9. bracing section steel; 10. welding the shaft; 11. a wear-resistant cylinder sleeve; 12. a guide roller; 13. a central shaft; 14. a through hole; 15. connecting a screw rod; 16. a locking nut; 17. reinforcing rib plates; 18. fixing the earrings; 19. a grounding lug seat; 20. a tensile steel wire rope; 21. a wire rope tractor; 22. a wire rope drum; 23. a traction wire rope; 24. a support; 25. synchronously jacking the oil cylinders; 26. a fixed seat.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1-6, the mining hydraulic support loading system comprises a plurality of ground-connected rails 1 arranged in parallel at intervals, a bearing seat 2 is arranged above the ground-connected rails 1, a flat-support jacking mechanism is fixedly mounted at the bottom of the bearing seat 2 and used for controlling the horizontal height of the bearing seat 2, a plurality of wheel frames 3 are arranged at the bottom of the flat-support jacking mechanism, a multi-groove pulley 4 is mounted at each wheel frame 3, each multi-groove pulley 4 is respectively and slidably clamped on the corresponding ground-connected rail 1, a plurality of side-support section steels 5 arranged along the width direction of the bearing seat 2 are arranged at the top of the bearing seat 2 at intervals and fixedly mounted, limit sliding grooves 6 are respectively and symmetrically arranged on the opposite side walls of two adjacent side-support section steels 5, a pull-push inclined-support guiding mechanism 7 is arranged on the bearing seat 2 between the two adjacent side-support section steels 5, and the drawing inclined support guide mechanisms 7 are used for realizing the supporting and guiding effects when heavy objects are transferred to the bearing seat 2 under the working state, and the top of each drawing inclined support guide mechanism 7 is lower than the top of each side support section steel 5.
The whole system is connected to the corresponding ground rails 1 through the multi-groove pulleys 4 in a sliding and clamping mode, so that the bearing seat 2 is guaranteed to be stable and limited in the acting direction, and the situation of shaking in the acting direction is prevented. Simultaneously, the effect that can play the support as a part of bearing seat 2 when the pull bracing guiding mechanism 7 that sets up here uses normally can be through withdrawing each pull bracing guiding mechanism 7 backward when needs shift the heavy object to bearing seat 2, can make its terminal downward sloping ground after pull bracing guiding mechanism 7 targets in place, and each pull bracing guiding mechanism 7 can form a direction slope this moment, provides convenient passageway for the upwards shift of heavy object.
In any of the above schemes, preferably, the tail end of each side supporting section steel 5 is arranged downward, horizontally and backwards in a hook shape 8, and the tail end of each limiting sliding groove 6 extends to the tail end part of the side supporting section steel 5 at the corresponding position and is arranged horizontally.
The tail end of each side support steel 5 is arranged to be in a hook shape 8, the front end of each drawing inclined support guide mechanism 7 can be abutted backwards downwards to be in place when each drawing inclined support guide mechanism 7 is pulled backwards, and the stability of the drawing inclined support guide mechanism 7 as an inclined support guide channel is guaranteed.
In any of the above schemes, preferably, the pull inclined strut guide mechanism 7 includes an inclined strut section steel 9 with a U-shaped cross section, two sides of the front end of the inclined strut section steel 9 are respectively and symmetrically welded with a welding shaft 10, the outer side wall of the welding shaft 10 is movably sleeved with a wear-resistant cylinder sleeve 11, and the outer end portions of the two wear-resistant cylinder sleeves 11 are movably extended into the corresponding limiting sliding grooves 6 and are matched with the corresponding limiting sliding grooves.
Whole bracing shaped steel 9 is as main bearing structure, and it is when target in place and regard as direction slope passageway earlier back pull, and two wear-resisting cylinder liners 11 of bracing shaped steel 9 front end can be respectively along 6 rearward movements of the spacing spout that corresponds and the final butt colludes 8 horizontal position's of form end at spacing spout 6 to guarantee that the front end that can prevent bracing shaped steel 9 after the end of bracing shaped steel 9 lands downwards shifts along spacing spout 6 forward, guarantee the stability that the front end targets in place the back support.
In any of the above schemes, preferably, a plurality of guide material guiding rollers 12 are sequentially and uniformly arranged in the U-shaped elongated slot of each of the inclined strut section steels 9 at intervals along the length direction thereof, the central shafts 13 at both ends of each guide material guiding roller 12 are movably inserted into the rotation holes of the side walls of the inclined strut section steels 9 at the corresponding positions, and the top of each guide material guiding roller 12 is higher than the top of the inclined strut section steel 9 and lower than the top of the side strut section steel 5 at the corresponding position.
Each guide material roller 12 mainly plays a role of rolling guide, so that a heavy object pushed to a slope channel formed by each inclined strut type steel 9 can be supported on each corresponding guide material roller 12 to realize rolling guide, and a function of saving labor can be effectively achieved.
In any of the above schemes, preferably, a through hole 14 is provided at the end of each of the two vertical sections of each of the inclined strut section steels 9, one end of a connecting screw 15 sequentially passes through each through hole 14 at the end of each of the inclined strut section steels 9, a locking nut 16 is screwed on the external thread side wall of the connecting screw 15 on both sides of each of the inclined strut section steels 9, and the locking nuts 16 on both sides of each of the inclined strut section steels 9 are used for matching to lock the inclined strut section steel 9 at the current position, so as to prevent the occurrence of action shaking.
Utilize a connecting screw 15 to realize the fastening connection with a plurality of bracing shaped steel 9 to can guarantee the stability of connecting effectively through controlling each lock nut 16, thereby can just can realize each bracing shaped steel 9 synchronous motion through bracing shaped steel 9 of single operation, conveniently take out backward or reset each bracing shaped steel 9 forward, guarantee to operate more portably, swiftly, need not to carry out the pull or reset by a bracing shaped steel 9.
In any of the above embodiments, it is preferable that a reinforcing rib plate 17 is welded to the hook-shaped portion 8 of the end of each side-supporting section steel 5.
Each reinforcing rib plate 17 mainly plays a role of effectively reinforcing the structural strength, and ensures the stable support of the front end of the whole side supporting section steel 5 when bearing heavy objects.
In any of the above schemes, preferably, the horizontal supporting and jacking mechanism is composed of four synchronous jacking cylinders 25 vertically and fixedly mounted at the bottom of the supporting seat 2, the bottom of the cylinder body of each synchronous jacking cylinder 25 is fixedly mounted at the bottom of a fixed seat 26, each synchronous jacking cylinder 25 realizes synchronous and same-direction lifting movement under the control of a hydraulic station, and each wheel carrier is fixedly mounted at the bottom of the fixed seat.
In any of the above schemes, preferably, a plurality of fixing lugs 18 are respectively and fixedly arranged on the side walls of the two sides of the fixing seat 2; a plurality of grounding lug seats 19 which are respectively used for corresponding to the fixing lug rings 18 are pre-buried and fixed on the underground ground outside the grounding rail 1 along the length direction of the underground ground, and the tensile tensioning is realized between each grounding lug seat 19 and the corresponding fixing lug ring 18 through tensile steel wire ropes 20.
The main purpose of setting up a plurality of even ground ear seats 19 along the direction of even ground track 1 interval in proper order here can guarantee all can realize the fixing base 2 and holistic taut location to entire system when each station shifts heavy object or support 24, prevent rocking and unstable of fixing base 2, guarantee safe construction, it is more convenient that the operation is being locked the tensioning with whole fixing base 2 through tensile wire rope 20 to each fixed earrings 18 of installing on fixing base 2 that sets up here simultaneously.
In any of the above embodiments, preferably, a wire rope tractor 21 is fixedly mounted on the top of the front end of the support base 2.
In any of the above solutions, preferably, a traction wire rope 23 is wound on the wire rope drum 22 of the wire rope traction machine 21, and the tail end of the traction wire rope 23 is used for connecting with a support 24 to be pulled and transferred.
The steel wire rope tractor 21 is used as a main power mechanism and mainly plays a role in matching with manual auxiliary support to realize quick pulling and moving, before the steel wire rope tractor 21 is started, the tail end of a pulling steel wire rope 23 on the steel wire rope tractor needs to be wound and fixed on a weight support 24 to be transferred, the steel wire rope tractor 21 is started to wind the pulling steel wire rope 23, so that the weight support 24 is pulled upwards to the obliquely arranged pulling inclined support guide mechanism 7 and finally pulled to the top of each inclined support section steel 9 at the top of the bearing seat 2.
The specific working principle is as follows:
when the large support 24 is withdrawn from the working face under the mine, the whole system is firstly pulled to a corresponding proper position by using a traction device according to the position of the support 24, and at the moment, each tensile steel wire rope 20 is fixed on the grounding lug 19 and the fixing lug ring 18 at the corresponding positions through manual binding, so that the fixed locking of the whole system is realized.
At this time, the worker can draw the corresponding drawing inclined strut guide mechanism 7 backwards to realize that each drawing inclined strut guide mechanism 7 moves backwards along the corresponding limiting sliding groove 6, when the drawing is moved to the tail end of the side support section steel 5, the corresponding wear-resistant cylinder sleeve 11 at the front end part falls down along the downward vertical section of the current limiting chute 6, and at the moment, a small section is pushed forwards, so that the wear-resistant cylinder sleeves 11 at the front end of each drawing inclined support guide mechanism 7 are respectively abutted against the tail end horizontal section of the corresponding limiting chute 6, thereby ensuring the forward abutting and locking of each drawing inclined strut guide mechanism 7, ensuring the stability of the support, preventing the forward slipping, safer during the use, pull bracing guiding mechanism 7 targets in place as the installation of direction bracing passageway, and the rear end of pull bracing guiding mechanism 7 is close to or realizes supporting tightly with the support 24 that needs the present transfer this moment.
The steel wire rope tractor 21 is started, the tail end of the traction steel wire rope 23 on the steel wire rope tractor is bolted and fixed on the corresponding support 24 to be transferred, then the support 24 is manually supported, the steel wire rope tractor 21 is started to drag forwards, finally the support 24 can realize labor-saving rolling and upward moving under the action of the guide material guide rollers 12 of the pull inclined support guide mechanisms 7, and finally the aim of easily transferring and loading is achieved.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; the modifications or the substitutions do not cause the essence of the corresponding technical solutions to depart from the scope of the technical solutions of the embodiments of the present invention, and the technical solutions are all covered in the scope of the claims and the specification of the present invention; it will be apparent to those skilled in the art that any alternative modifications or variations to the embodiments of the present invention may be made within the scope of the present invention.
The present invention is not described in detail, but is known to those skilled in the art.
Claims (10)
1. Mining hydraulic support loading system, its characterized in that: the ground connection track comprises a plurality of ground connection tracks arranged in parallel at intervals, a bearing seat is arranged above the ground connection tracks, a flat support jacking mechanism is fixedly arranged at the bottom of the bearing seat, the flat support jacking mechanism is used for realizing the control of the horizontal height of the bearing seat, a plurality of wheel carriers are arranged at the bottom of the flat support jacking mechanism, a multi-groove pulley is arranged at each wheel carrier, each multi-groove pulley is respectively and slidably clamped on the corresponding ground connection track, a plurality of side support section steels arranged along the width direction of the bearing seat are fixedly arranged at the top of the bearing seat at intervals, limiting sliding grooves are respectively and symmetrically arranged on the opposite side walls of two adjacent side support section steels, a pull inclined support guide mechanism is arranged on the bearing seat between the two adjacent side support section steels, each pull inclined support guide mechanism is used for realizing the support and guide effects when a heavy object is transferred onto the bearing seat under the working state, the top of each drawing inclined strut guide mechanism is lower than the top of each side strut section steel.
2. The mining hydraulic support loading system of claim 1, characterized in that: the tail ends of the side supporting section steels are arranged downwards, horizontally and backwards in a hook shape, the tail ends of the limiting sliding grooves extend to the tail end parts of the side supporting section steels at the corresponding positions, and the tail ends of the limiting sliding grooves are arranged horizontally.
3. The mining hydraulic support loading system of claim 2, characterized in that: the drawing inclined strut guide mechanism comprises inclined strut section steel with a U-shaped cross section, a welding shaft is symmetrically welded on each of two sides of the front end of the inclined strut section steel, a wear-resistant cylinder sleeve is movably sleeved on the outer side wall of the welding shaft, and the outer end portion of each wear-resistant cylinder sleeve movably extends into a corresponding limiting sliding groove and is matched with the corresponding limiting sliding groove.
4. The mining hydraulic support loading system of claim 3, characterized in that: a plurality of guide material guiding rollers are sequentially and uniformly arranged in the U-shaped long groove of each inclined strut section steel at intervals along the length direction of the U-shaped long groove, central shafts at two ends of each guide material guiding roller are movably inserted into rotary holes in the side walls of the inclined strut section steel at corresponding positions, and the top of each guide material guiding roller is higher than the top of the inclined strut section steel and lower than the top of the side strut section steel at the corresponding position.
5. The mining hydraulic support loading system of claim 4, characterized in that: the tail ends of the two vertical sections of each inclined strut section steel are respectively provided with a through hole, one end of a connecting screw rod sequentially penetrates through the through holes at the tail ends of the inclined strut section steel, the external thread side walls of the connecting screw rods at the two sides of each inclined strut section steel are respectively screwed with a locking nut in a threaded manner, and the locking nuts at the two sides of each inclined strut section steel are used for locking the inclined strut section steel at the current position in a matched manner.
6. The mining hydraulic support loading system of claim 5, characterized in that: and reinforcing rib plates are welded at the hook-shaped parts at the tail ends of the side supporting section steels.
7. The mining hydraulic support loading system of claim 6, characterized in that: the horizontal supporting jacking mechanism is composed of four synchronous jacking cylinders which are vertically and fixedly installed at the bottom of the bearing seat respectively, the bottom of a cylinder body of each synchronous jacking cylinder is fixedly installed at the bottom of a fixed seat, each synchronous jacking cylinder realizes synchronous and same-direction lifting movement under the control of a hydraulic station, and each wheel carrier is fixedly installed at the bottom of the fixed seat.
8. The mining hydraulic support loading system of claim 7, characterized in that: and a steel wire rope tractor is fixedly arranged at the top of the front end of the bearing seat.
9. The mining hydraulic support loading system of claim 8, characterized in that: and a traction steel wire rope is wound on a steel wire rope winding drum of the steel wire rope tractor, and the tail end of the traction steel wire rope is used for being connected with a support to be pulled and transferred.
10. The mining hydraulic support loading system of claim 9, characterized in that: a plurality of fixing earrings are respectively and fixedly arranged on the side walls of the two sides of the fixing seat; and a plurality of grounding lug seats which are respectively used for corresponding to the fixing lug rings are pre-buried and fixed on the underground ground outside the grounding rail along the length direction of the underground ground, and the tensioning of the tensile steel wire rope is realized between each grounding lug seat and the corresponding fixing lug ring.
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| CN202111267009.5A CN113879865B (en) | 2021-10-29 | 2021-10-29 | Mining hydraulic support loading system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115040977A (en) * | 2022-06-07 | 2022-09-13 | 西安热工研究院有限公司 | Supporting and executing device and method for packing layer of adsorption device |
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| CN210456692U (en) * | 2019-08-19 | 2020-05-05 | 神华乌海能源有限责任公司 | Hydraulic support loading device |
| CN213770588U (en) * | 2020-11-27 | 2021-07-23 | 中集德立物流系统（苏州）有限公司 | Mobile handling equipment |
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| CN115040977A (en) * | 2022-06-07 | 2022-09-13 | 西安热工研究院有限公司 | Supporting and executing device and method for packing layer of adsorption device |
| CN115040977B (en) * | 2022-06-07 | 2024-03-08 | 西安热工研究院有限公司 | Support executing device and method for packing layer of adsorption device |
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