CN219492312U - Supporting equipment for coal mining return tunnel - Google Patents
Supporting equipment for coal mining return tunnel Download PDFInfo
- Publication number
- CN219492312U CN219492312U CN202320537652.3U CN202320537652U CN219492312U CN 219492312 U CN219492312 U CN 219492312U CN 202320537652 U CN202320537652 U CN 202320537652U CN 219492312 U CN219492312 U CN 219492312U
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- supporting
- support
- arc top
- support frame
- rod
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Abstract
The utility model discloses supporting equipment for a coal mining return tunnel, which comprises a support frame, a support arc top, a height adjusting mechanism and a reinforced support mechanism, wherein the support arc top is arranged above the support frame, the height adjusting mechanism for adjusting the height of the support arc top is arranged at the top of the support frame, the reinforced support mechanism connected with the support arc top is arranged at the front side and the rear side of the support frame, and the height adjusting mechanism comprises: the top rotation of support frame is connected with two thread bush, threaded rod, synchronizing wheel and hold-in range, all installs one in every thread bush and extends to its outside threaded rod, and the top of threaded rod is fixed mutually with the support arc top, all installs a synchronizing wheel on every thread bush, connects through the hold-in range transmission between two synchronizing wheels. The utility model has convenient height adjustment, close fitting with the top surface of the return tunnel and high supporting strength.
Description
Technical Field
The utility model relates to the technical field of coal mining, in particular to supporting equipment for a coal mining return tunnel.
Background
Ventilation tunnels under coal mine can be divided into two types, namely an air inlet tunnel (fresh air) and an air return tunnel (dirty air). The dirty wind passing through the return tunnel contains a plurality of harmful gases, such as blasted dense smoke and the like, which are harmful to human bodies.
When building the return air tunnel, in order to prevent that the return air tunnel from collapsing, people can increase extra strutting arrangement in the return air tunnel, but, the return air tunnel space is narrow and small, large-scale mechanical equipment is difficult to get into, the return air tunnel is mostly excavated out by the manual work, the size has some errors when the manual work excavates, and current strutting arrangement's size is mostly fixed, inconvenient adjustment according to the actual size in return air tunnel when the installation, can have some gaps between its top of strutting arrangement in the return air tunnel and the top surface of return air tunnel that leads to, influence the intensity of support, therefore, to above current situation, urgent need develop a high regulation convenience, the top surface laminating with the return air tunnel is inseparable, support the high supporting equipment who is used for the coal-mining return air tunnel of intensity, in order to overcome current practical application's not enough, satisfy current demand.
Disclosure of Invention
The utility model aims to provide supporting equipment for a coal mining return tunnel so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a supporting equipment for coal-winning return air tunnel, includes support frame, supports arc roof, high adjustment mechanism and strengthens supporting mechanism, the support arc roof is installed to the top of support frame, the high adjustment mechanism who is used for adjusting the support arc roof height is installed at the top of support frame, the strengthening supporting mechanism who links to each other with the support arc roof is all installed to both sides around the support frame, high adjustment mechanism includes: the top rotation of support frame is connected with two thread bush, every all install one in the thread bush and extend to its outside threaded rod, the top of threaded rod is fixed mutually with the support arc top, every all install a synchronizing wheel on the thread bush, two connect through the hold-in range transmission between the synchronizing wheel.
Preferably: the lower end of the thread bush is provided with a driving rod.
Preferably: the reinforcing support mechanism includes: the device comprises two adapter blocks, two mounting rods, sliding sleeves, supporting swing rods, pin shafts and fastening bolts, wherein the two adapter blocks are fixedly arranged on a supporting frame, the two adapter blocks are fixedly connected with the mounting rods, the outer surfaces of the mounting rods are cylindrical, the two sliding sleeves are slidably arranged on the mounting rods, each sliding sleeve is provided with one supporting swing rod, the two supporting swing rods are symmetrically arranged on the center line of a supporting arc top, the top of each supporting swing rod is rotatably connected with the supporting arc top through the pin shafts, and the bottom of each sliding sleeve is provided with two fastening bolts.
Preferably: the bottom of the mounting rod is provided with a plane.
Preferably: the bottom of support frame is provided with the base, be provided with a plurality of fixed orificess on the base.
The beneficial effects of the utility model are as follows: this a supporting equipment for coal-winning return air tunnel, during the use, fix the support frame to the subaerial in the return air tunnel, unscrew fastening bolt again, then, drive the thread bush through rotating the actuating lever and rotate, drive the threaded rod through the thread bush and remove, drive the support arc top through the threaded rod and remove, and then make the support arc top tightly paste the top in the return air tunnel, improve the steadiness of support, simultaneously, when the support arc top reciprocates, the top of support pendulum rod rotates round the round pin axle, the bottom of support pendulum rod is worn to slide the cover and is slided on the installation pole, and then change the inclination of support pendulum rod, make the vertical direction's of support pendulum rod highly change along with the adjustment of support arc top, after the adjustment, screw fastening bolt again makes the support pendulum rod fixed, provide the holding power for support arc top through the support pendulum rod, improve the holding strength of support arc top. In conclusion, the utility model has the advantages of convenient height adjustment, tight fitting with the top surface of the return tunnel and high supporting strength.
Drawings
Fig. 1 is a schematic perspective view of the present utility model.
Fig. 2 is a schematic perspective view of a second embodiment of the present utility model.
Fig. 3 is a schematic diagram of a portion of the structure of the present utility model.
Fig. 4 is a schematic diagram of a portion of the structure of the present utility model.
Fig. 5 is a schematic diagram of a portion of the structure of the present utility model.
Legend description:
1. a support frame; 101. a base; 102. a fixing hole; 2. supporting the arc top; 3. a height adjusting mechanism; 301. a thread sleeve; 3011. a driving rod; 302. a threaded rod; 303. a synchronizing wheel; 304. a synchronous belt; 4. reinforcing the supporting mechanism; 401. a transfer block; 402. a mounting rod; 4021. a plane; 403. a slip sleeve; 404. supporting the swing rod; 405. a pin shaft; 406. and (5) fastening a bolt.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.
Specific examples are given below.
Referring to fig. 1-5, in the embodiment of the utility model, a supporting device for a coal mining return tunnel comprises a supporting frame 1, a supporting arc top 2, a height adjusting mechanism 3 and a reinforcing supporting mechanism 4, wherein a base 101 is arranged at the bottom of the supporting frame 1, the contact area between the supporting frame 1 and the ground is enlarged through the base 101, the stability of the supporting frame 1 is further increased, a plurality of fixing holes 102 are formed in the base 101, screws penetrate through the fixing holes 102 to fix the base 101 on the ground, the supporting arc top 2 is arranged above the supporting frame 1, the height adjusting mechanism 3 for adjusting the height of the supporting arc top 2 is arranged at the top of the supporting frame 1, the reinforcing supporting mechanisms 4 connected with the supporting arc top 2 are arranged at the front side and the rear side of the supporting frame 1, when the supporting frame 1 is used, the supporting frame 1 is fixed on the ground in the return tunnel, then the height of the supporting arc top 2 is adjusted through the height adjusting mechanism 3, the top surface of the supporting arc top 2 and the top surface in the return tunnel are tightly combined together, the supporting stability is further improved, after the supporting is well adjusted, the two reinforcing supporting mechanisms 4 are fixed, and the strength of the supporting structure is improved through the reinforcing mechanism to the supporting arc top 2.
The height adjusting mechanism 3 includes: the top of the support frame 1 is rotationally connected with two thread sleeves 301, a threaded rod 302 extending to the outside of the thread sleeves 301 is arranged in each thread sleeve 301, the top of the threaded rod 302 is fixed with the support arc top 2, each thread sleeve 301 is provided with one synchronizing wheel 303, the two synchronizing wheels 303 are in transmission connection through the synchronizing belt 304, the lower end of the thread sleeve 301 is provided with a driving rod 3011, a person can conveniently use the driving rod 3011 to adjust, during use, the thread sleeves 301 are driven to rotate through rotating the driving rod 3011, the threaded rod 302 is driven to move through the thread sleeves 301, the support arc top 2 is driven to move through the threaded rod 302, and then the support arc top 2 is tightly attached to the top of a return air roadway.
The reinforcing support mechanism 4 includes: the number of the adapter blocks 401 is two, the adapter blocks 401 are fixed on the support frame 1, the installation rods 402 are fixedly connected between the two adapter blocks 401, the installation rods 402 are in a cylindrical shape, the installation rods 402 are slidably provided with the two sliding sleeves 403, each sliding sleeve 403 is provided with one supporting swing rod 404, the two supporting swing rods 404 are symmetrically arranged on the center line of the supporting arc top 2, the top of the supporting swing rod 404 is rotationally connected with the supporting arc top 2 through the pin shafts 405, the bottom of each sliding sleeve 403 is provided with the two fastening bolts 406, the bottom of the installation rod 402 is provided with a plane 4021, when the fastening bolts 406 are screwed down, the fastening bolts 406 are contacted with the plane 4021, the contact area between the fastening bolts 406 and the installation rods 402 is increased, after the fastening bolts 406 are tightly propped against the plane 4021, the sliding sleeve 403 connected with the fastening bolt 406 is also fixed, so that the sliding sleeve 403 cannot slide on the mounting rod 402, after the sliding sleeve 403 is fixed, the supporting swing rod 404 cannot swing around the pin shaft 405, so that the supporting swing rod 404 is completely fixed, when the height of the supporting arc top 2 is adjusted, the fastening bolt 406 is unscrewed, so that the sliding sleeve 403 can slide, when the supporting arc top 2 moves up and down, the top of the supporting swing rod 404 rotates around the pin shaft 405, the bottom of the supporting swing rod 404 slides on the mounting rod 402 with the sliding sleeve 403, the inclination angle of the supporting swing rod 404 is changed, the vertical height of the supporting swing rod 404 is changed along with the adjustment of the supporting arc top 2, after the adjustment, the fastening bolt 406 is screwed again, so that the supporting swing rod 404 is fixed, and the supporting swing rod 404 provides supporting force for the supporting arc top 2, the supporting strength of the supporting arc top 2 is improved.
Working principle: when the supporting device for the coal mining return tunnel is used, the supporting frame 1 is fixed on the ground in the return tunnel, the fastening bolt 406 is unscrewed, then the driving rod 3011 is rotated to drive the threaded sleeve 301, the threaded rod 302 is driven to move through the threaded sleeve 301, the supporting arc top 2 is driven to move through the threaded rod 302, the supporting arc top 2 is further tightly attached to the top of the return tunnel, the supporting stability is improved, meanwhile, when the supporting arc top 2 moves up and down, the top of the supporting swing rod 404 rotates around the pin shaft 405, the bottom of the supporting swing rod 404 slides on the mounting rod 402 with the sliding sleeve 403, the inclination angle of the supporting swing rod 404 is changed, the vertical height of the supporting swing rod 404 is changed along with the adjustment of the supporting arc top 2, the fastening bolt 406 is screwed again after the adjustment, the supporting swing rod 404 is fixed, the supporting force is provided for the supporting arc top 2 through the supporting swing rod 404, and the supporting strength of the supporting arc top 2 is improved.
The present utility model is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present utility model and the inventive concept thereof, can be replaced or changed within the scope of the present utility model.
Claims (5)
1. Supporting equipment for coal mining return air tunnel, a serial communication port, including support frame (1), support arc top (2), high adjustment mechanism (3) and enhancement supporting mechanism (4), support arc top (2) are installed to the top of support frame (1), high adjustment mechanism (3) that are used for adjusting the height of support arc top (2) are installed at the top of support frame (1), support frame (1) all install one with support arc top (2) continuous enhancement supporting mechanism (4) around both sides, high adjustment mechanism (3) include: threaded sleeve (301), threaded rod (302), synchronizing wheel (303) and hold-in range (304), the top rotation of support frame (1) is connected with two threaded sleeves (301), every threaded rod (302) that all install one in threaded sleeve (301) and extend to its outside, the top of threaded rod (302) is fixed with support arc top (2), every all install on threaded sleeve (301) synchronizing wheel (303), two connect through hold-in range (304) transmission between synchronizing wheel (303).
2. The support device for a coal mining return tunnel according to claim 1, characterized in that the lower end of the threaded sleeve (301) is provided with a driving rod (3011).
3. Supporting installation for a coal mining return tunnel according to claim 1, characterized in that the reinforcing supporting means (4) comprise: the device comprises two adapter blocks (401), mounting rods (402), sliding sleeves (403), supporting swing rods (404), pin shafts (405) and fastening bolts (406), wherein the adapter blocks (401) are fixed on a supporting frame (1), the two adapter blocks (401) are fixedly connected with the mounting rods (402), the appearance of each mounting rod (402) is cylindrical, the two sliding sleeves (403) are slidably mounted on each mounting rod (402), each sliding sleeve (403) is provided with one supporting swing rod (404), the two supporting swing rods (404) are symmetrically arranged about the center line of a supporting arc top (2), and the tops of the supporting swing rods (404) are rotationally connected with the supporting arc top (2) through the pin shafts (405), and each sliding sleeve (403) is provided with two fastening bolts (406) at the bottoms.
4. A support device for a coal mining return tunnel according to claim 3, characterized in that the bottom of the mounting bar (402) is provided with a plane (4021).
5. The support device for the coal mining return tunnel according to claim 1, wherein a base (101) is arranged at the bottom of the support frame (1), and a plurality of fixing holes (102) are formed in the base (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320537652.3U CN219492312U (en) | 2023-03-20 | 2023-03-20 | Supporting equipment for coal mining return tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320537652.3U CN219492312U (en) | 2023-03-20 | 2023-03-20 | Supporting equipment for coal mining return tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219492312U true CN219492312U (en) | 2023-08-08 |
Family
ID=87506902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320537652.3U Active CN219492312U (en) | 2023-03-20 | 2023-03-20 | Supporting equipment for coal mining return tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219492312U (en) |
-
2023
- 2023-03-20 CN CN202320537652.3U patent/CN219492312U/en active Active
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