CN220469975U - Retractable sector surface support bracket - Google Patents
Retractable sector surface support bracket Download PDFInfo
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- CN220469975U CN220469975U CN202321827891.9U CN202321827891U CN220469975U CN 220469975 U CN220469975 U CN 220469975U CN 202321827891 U CN202321827891 U CN 202321827891U CN 220469975 U CN220469975 U CN 220469975U
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- 230000009471 action Effects 0.000 description 3
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- 230000005641 tunneling Effects 0.000 description 3
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Abstract
The utility model provides a retractable sector supporting bracket, which relates to the technical field of fully-mechanized mining faces and comprises a base, a support plate and a support plate, wherein the support plate and the support plate are respectively arranged at the upper end and the lower end of the base; a first hydraulic cylinder is arranged at the middle position of the top of the support plate, and a first support plate is arranged at the output end of the first hydraulic cylinder; according to the utility model, the first support plate is pushed to support one point position by the first hydraulic cylinder, the second support plate is pushed to support other point positions by the second hydraulic cylinder, the rotating arm can be driven to rotate along the rotating shaft by the driving part, the angle of the rotating arm is convenient to adjust to change the supporting position of the second support plate, and the expansion plate can be driven to expand and contract in the rotating arm by the adjusting part, so that the second support plate has a larger supporting range, and the complex sector surface support requirement is adapted.
Description
Technical Field
The utility model relates to the technical field of fully-mechanized coal mining working faces, in particular to a retractable sector surface support bracket.
Background
After the fully mechanized mining face finishes the tunneling task, the tunneling equipment is generally required to be retracted to realize the recycling of the tunneling equipment, when the fully mechanized mining face retracts the hydraulic support, the existing method is to use the single hydraulic prop to be matched with a pi-shaped beam frame shed, namely a 'one-beam three-column steel shed' to maintain the top plate, the maintenance amount of operators for retracting the sector is large, and the single prop is used for maintenance and cannot be used for effective support, so that the retraction progress and the safety of the operators are seriously influenced;
in the prior art, for example, the authority publication number CN214577134U discloses a hydraulic support for sector support of fully mechanized mining retracement working face, and specifically discloses: the working of the four hydraulic cylinders is carried out, so that the contact state of the bottom plate and the mounting plate with the ground is changed, and then the two gears are pushed to rotate by the two hydraulic push rods, and the sliding direction of the first rack and the second rack is changed as the positions of the two gears are unchanged, so that the whole supporting device is moved; however, in the above-mentioned technology, the supporting component for supporting is a rectangular surface, and only a supporting surface in a single direction can be supported, but the retracted sector surface is more complex, the point positions of the top plate pressure are different, the point positions of the supporting are different, and the prior art is difficult to adapt to different supporting needs, so the utility model provides a retracted sector surface supporting bracket to solve the problems in the prior art.
Disclosure of Invention
In view of the above, the present utility model proposes a retractable sector support bracket that adapts to the complex sector support needs.
In order to achieve the purpose of the utility model, the utility model is realized by the following technical scheme: the retractable sector support bracket comprises a base, a support plate and a support plate, wherein the support plate and the support plate are respectively arranged at the upper end and the lower end of the base, a rotating shaft is connected between the base and the support plate, a rotating arm is rotatably arranged on the rotating shaft, the rotating arm is driven to rotate by a driving part, a telescopic plate is movably inserted in the rotating arm, and the telescopic plate is adjusted to stretch by an adjusting part;
the middle position department at extension board top is equipped with first pneumatic cylinder, and the output of first pneumatic cylinder is equipped with first backplate, the one end at extension board top is equipped with the second pneumatic cylinder, and the output of second pneumatic cylinder is equipped with the second backplate, the outer end on the extension board is equipped with pressure-bearing component.
The further improvement is that: the four corners department of base bottom all is equipped with the universal wheel, the inside logical groove that supplies the universal wheel to pass that is equipped with of a dish, the inside four corners department of base all is equipped with the inner chamber, the four corners department at a dish top all is equipped with the nut cover, four groups the nut cover is respectively movable to be inserted into four groups the inside of inner chamber.
The further improvement is that: the inside rotation of inner chamber is equipped with the gear, and the below of gear is equipped with the screw pole, the screw pole with nut cover screw thread adaptation, the outside rotation of base is equipped with the ring gear, and the internal tooth of ring gear to the inner chamber inside with gear looks adaptation.
The further improvement is that: the driving part comprises a driving wheel and a motor, a first inner groove and a second inner groove are formed in the inner end of the rotating arm, the driving wheel is rotatably arranged in the first inner groove, the motor is arranged in the second inner groove, the output end of the motor is connected with the driving wheel, and the lower end of the driving wheel is in contact with the base.
The further improvement is that: the adjusting part comprises a driving tube and a toothed roller, the driving tube is arranged at the outer end of the top of the rotating arm, the toothed roller is rotatably arranged in the driving tube, the lower end of the toothed roller extends to the inside of the rotating arm, a knob is arranged on one side of the toothed roller, and toothed patterns matched with the toothed roller are arranged at the top of the expansion plate.
The further improvement is that: the pressure-bearing assembly comprises a nut pipe and a rotating handle screw rod, the nut pipe is fixed at one end inside the expansion plate, the rotating handle screw rod penetrates through the nut pipe and is in threaded fit, and the pressure-bearing plate is arranged at the lower end of the rotating handle screw rod.
The further improvement is that: reinforcing ribs are arranged on two sides of the output end of the second hydraulic cylinder, and the upper ends of the reinforcing ribs are connected with the second support plate.
The beneficial effects of the utility model are as follows:
1. according to the utility model, the first support plate is pushed to support one point position by the first hydraulic cylinder, the second support plate is pushed to support other point positions by the second hydraulic cylinder, the rotating arm can be driven to rotate along the rotating shaft by the driving part, the angle of the rotating arm is convenient to adjust to change the supporting position of the second support plate, and the expansion plate can be driven to expand and contract in the rotating arm by the adjusting part, so that the second support plate has a larger supporting range, and the complex sector surface support requirement is adapted.
2. The utility model can move through the universal wheel, is convenient to use, and when in supporting, the gear is driven to rotate through rotating the annular gear, so that the screw rod rotates, the nut sleeve is driven to lift, the supporting plate is conveniently lowered to be supported on the ground, the stability of a central supporting point is improved, the bearing plate can be lowered to be supported on the ground through rotating the rotating handle screw rod and matching with the action of the nut pipe, the stability of other supporting points is conveniently improved, and the utility model is more reliable.
Drawings
FIG. 1 is a front view of the present utility model;
FIG. 2 is a schematic diagram of a driving portion according to the present utility model;
FIG. 3 is a schematic diagram of a disk drive according to the present utility model;
fig. 4 is a schematic view of an adjusting part of the present utility model.
Wherein: 1. a base; 2. a support plate; 3. a support plate; 4. a rotating shaft; 5. a rotating arm; 6. a telescoping plate; 7. a first hydraulic cylinder; 8. a first support plate; 9. a second hydraulic cylinder; 10. a second support plate; 11. a universal wheel; 12. an inner cavity; 13. a nut sleeve; 14. a gear; 15. a screw rod; 16. an inner gear ring; 17. a driving wheel; 18. a motor; 19. a first inner tank; 20. a second inner tank; 21. a driving tube; 22. a tooth roller; 23. a nut tube; 24. rotating the handle screw; 25. a pressure bearing plate; 26. reinforcing ribs.
Detailed Description
The present utility model will be further described in detail with reference to the following examples, which are only for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.
Example 1
According to fig. 1, 2, 3 and 4, the embodiment provides a retractable sector support bracket, which comprises a base 1, a support plate 2 and a support plate 3 respectively arranged at the upper end and the lower end of the base 1, wherein a rotating shaft 4 is connected between the base 1 and the support plate 2, a rotating arm 5 is rotatably arranged on the rotating shaft 4, the rotating arm 5 is driven to rotate by a driving part, a telescopic plate 6 is movably inserted in the rotating arm 5, and the telescopic plate 6 is adjusted to stretch by an adjusting part;
the middle position department at extension board 2 top is equipped with first pneumatic cylinder 7, and the output of first pneumatic cylinder 7 is equipped with first backplate 8, the one end at extension board 6 top is equipped with second pneumatic cylinder 9, and the output of second pneumatic cylinder 9 is equipped with second backplate 10, the outer end on the extension board 6 is equipped with the pressure-bearing component. During the use, promote first backplate 8 through first pneumatic cylinder 7 and support a position, promote second backplate 10 through second pneumatic cylinder 9 and support other positions, can drive the rocking arm 5 along the rotation of pivot 4 through drive division, be convenient for adjust rocking arm 5 angle and change the supporting position of second backplate 10, can drive expansion plate 6 and stretch out and draw back in rocking arm 5 through adjusting part for second backplate 10 possesses bigger braced range, adaptation complicated sector support needs.
The four corners department of base 1 bottom all is equipped with universal wheel 11, the inside logical groove that supplies universal wheel 11 to pass that is equipped with of a dish 3, the inside four corners department of base 1 all is equipped with inner chamber 12, the four corners department at a dish 3 top all is equipped with nut cover 13, four groups nut cover 13 respectively the activity is inserted and is established four groups the inside of inner chamber 12. The inside rotation of inner chamber 12 is equipped with gear 14, and the below of gear 14 is equipped with screw pole 15, screw pole 15 with nut cover 13 screw thread adaptation, the outside rotation of base 1 is equipped with ring gear 16, and the internal tooth of ring gear 16 to the inner chamber 12 inside with gear 14 looks adaptation. During the use, can remove through universal wheel 11, facilitate the use, when the support, through rotatory ring gear 16, drive gear 14 is rotatory for screw 15 is rotatory, and drive nut cover 13 goes up and down, and the convenience falls the support of supporting disk 3 subaerial, improves the stability of center support point.
The driving part comprises a driving wheel 17 and a motor 18, a first inner groove 19 and a second inner groove 20 are arranged at the inner end of the rotating arm 5, the driving wheel 17 is rotatably arranged in the first inner groove 19, the motor 18 is arranged in the second inner groove 20, the output end of the motor 18 is connected with the driving wheel 17, and the lower end of the driving wheel 17 is contacted with the base 1. When in use, the motor 18 drives the driving wheel 17 to rotate, the lower end of the driving wheel 17 contacts the base 1 to drive the rotating arm 5 to rotate along the rotating shaft 4, so that the angle of the rotating arm 5 is convenient to adjust to change the supporting position of the second supporting plate 10.
The adjusting part comprises a driving tube 21 and a toothed roller 22, the driving tube 21 is arranged at the outer end of the top of the rotating arm 5, the toothed roller 22 is rotatably arranged in the driving tube 21, the lower end of the toothed roller 22 extends to the inside of the rotating arm 5, a knob is arranged on one side of the toothed roller 22, and the top of the expansion plate 6 is provided with toothed patterns matched with the toothed roller 22. When the telescopic support device is used, the knob is rotated to drive the toothed roller 22 to rotate, and the telescopic plate 6 is driven to stretch in the rotating arm 5 by utilizing the action of the toothed pattern, so that the second support plate 10 has a larger support range.
The pressure-bearing assembly comprises a nut pipe 23 and a knob screw 24, wherein the nut pipe 23 is fixed at one end inside the expansion plate 6, the knob screw 24 penetrates through the nut pipe 23 and is in threaded fit, and a pressure-bearing plate 25 is arranged at the lower end of the knob screw 24. When the support device is used, the screw 24 is rotated, the bearing plate 25 can be lowered to be supported on the ground under the action of the nut pipe 23, and the stability of other support points can be improved conveniently.
Example two
According to fig. 1, 2, 3 and 4, the embodiment provides a retractable sector support bracket, which comprises a base 1, a support plate 2 and a support plate 3 respectively arranged at the upper end and the lower end of the base 1, wherein a rotating shaft 4 is connected between the base 1 and the support plate 2, a rotating arm 5 is rotatably arranged on the rotating shaft 4, the rotating arm 5 is driven to rotate by a driving part, a telescopic plate 6 is movably inserted in the rotating arm 5, and the telescopic plate 6 is adjusted to stretch by an adjusting part;
the middle position department at extension board 2 top is equipped with first pneumatic cylinder 7, and the output of first pneumatic cylinder 7 is equipped with first backplate 8, the one end at extension board 6 top is equipped with second pneumatic cylinder 9, and the output of second pneumatic cylinder 9 is equipped with second backplate 10, the outer end on the extension board 6 is equipped with the pressure-bearing component. During the use, promote first backplate 8 through first pneumatic cylinder 7 and support a position, promote second backplate 10 through second pneumatic cylinder 9 and support other positions, can drive the rocking arm 5 along the rotation of pivot 4 through drive division, be convenient for adjust rocking arm 5 angle and change the supporting position of second backplate 10, can drive expansion plate 6 and stretch out and draw back in rocking arm 5 through adjusting part for second backplate 10 possesses bigger braced range, adaptation complicated sector support needs.
The four corners department of base 1 bottom all is equipped with universal wheel 11, the inside logical groove that supplies universal wheel 11 to pass that is equipped with of a dish 3, the inside four corners department of base 1 all is equipped with inner chamber 12, the four corners department at a dish 3 top all is equipped with nut cover 13, four groups nut cover 13 respectively the activity is inserted and is established four groups the inside of inner chamber 12. The inside rotation of inner chamber 12 is equipped with gear 14, and the below of gear 14 is equipped with screw pole 15, screw pole 15 with nut cover 13 screw thread adaptation, the outside rotation of base 1 is equipped with ring gear 16, and the internal tooth of ring gear 16 to the inner chamber 12 inside with gear 14 looks adaptation. During the use, can remove through universal wheel 11, facilitate the use, when the support, through rotatory ring gear 16, drive gear 14 is rotatory for screw 15 is rotatory, and drive nut cover 13 goes up and down, and the convenience falls the support of supporting disk 3 subaerial, improves the stability of center support point.
Reinforcing ribs 26 are arranged on two sides of the output end of the second hydraulic cylinder 9, and the upper ends of the reinforcing ribs 26 are connected with the second support plate 10. When the hydraulic support is used, the stability of the connection between the output end of the second hydraulic cylinder 9 and the second support plate 10 is improved by the reinforcing ribs 26, and the support is more reliable.
This pullback fan-shaped face support supports a position through first pneumatic cylinder 7 promotion first backplate 8, promotes the other positions of second backplate 10 support through second pneumatic cylinder 9, can drive the rocking arm 5 along the rotation of pivot 4 through drive division, is convenient for adjust rocking arm 5 angle and changes the support position of second backplate 10, can drive expansion plate 6 and stretch out and draw back in rocking arm 5 through adjustment division for second backplate 10 possesses bigger braced range, adaptation complicated fan-shaped face support needs. And this product can remove through universal wheel 11, facilitate the use, when the support, through rotatory ring gear 16, drive gear 14 rotation for screw 15 is rotatory, and drive nut cover 13 goes up and down, and convenient decline supporting disk 3 supports subaerial, improves the stability of center support point, through rotating the screw rod 24, and cooperation nut pipe 23's effect can descend bearing plate 25 to support subaerial, is convenient for improve the stability of other support points, and is more reliable.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a support is strutted to withdrawing sector, includes base (1) and establishes extension board (2) and extension board (3) at the upper and lower end of base (1) respectively, its characterized in that: a rotating shaft (4) is connected between the base (1) and the support plate (2), a rotating arm (5) is rotatably arranged on the rotating shaft (4), the rotating arm (5) is driven to rotate through a driving part, a telescopic plate (6) is movably inserted into the rotating arm (5), and the telescopic plate (6) is adjusted to stretch through an adjusting part;
the middle position department at extension board (2) top is equipped with first pneumatic cylinder (7), and the output of first pneumatic cylinder (7) is equipped with first backplate (8), the one end at extension board (6) top is equipped with second pneumatic cylinder (9), and the output of second pneumatic cylinder (9) is equipped with second backplate (10), the outer end on extension board (6) is equipped with pressure-bearing component.
2. A retractable sector support according to claim 1, wherein: the universal wheel (11) are arranged at four corners of the bottom of the base (1), through grooves for the universal wheel (11) to pass through are formed in the supporting disc (3), inner cavities (12) are formed in the four corners of the bottom of the base (1), nut sleeves (13) are arranged at the four corners of the top of the supporting disc (3), and four groups of the nut sleeves (13) are respectively movably inserted into the inner cavities (12).
3. A retractable sector support according to claim 2, wherein: the inner part of the inner cavity (12) is rotationally provided with a gear (14), a screw rod (15) is arranged below the gear (14), the screw rod (15) is in threaded fit with the nut sleeve (13), the outer side of the base (1) is rotationally provided with an inner gear ring (16), and the inner teeth of the inner gear ring (16) are in fit with the gear (14) from the inner teeth of the inner cavity (12).
4. A retractable sector support according to claim 1, wherein: the driving part comprises a driving wheel (17) and a motor (18), a first inner groove (19) and a second inner groove (20) are formed in the inner end of the rotating arm (5), the driving wheel (17) is rotatably arranged in the first inner groove (19), the motor (18) is arranged in the second inner groove (20), the output end of the motor (18) is connected with the driving wheel (17), and the lower end of the driving wheel (17) is in contact with the base (1).
5. A retractable sector support according to claim 1, wherein: the adjusting part comprises a driving tube (21) and a toothed roller (22), the driving tube (21) is arranged at the outer end of the top of the rotating arm (5), the toothed roller (22) is rotatably arranged in the driving tube (21), the lower end of the toothed roller (22) extends to the inside of the rotating arm (5), a knob is arranged on one side of the toothed roller (22), and the top of the expansion plate (6) is provided with toothed patterns matched with the toothed roller (22).
6. A retractable sector support according to claim 1, wherein: the pressure-bearing assembly comprises a nut pipe (23) and a knob screw (24), wherein the nut pipe (23) is fixed at one end inside the expansion plate (6), the knob screw (24) penetrates through the nut pipe (23) and is in threaded fit, and a pressure-bearing plate (25) is arranged at the lower end of the knob screw (24).
7. A retractable sector support according to any one of claims 1-6, wherein: reinforcing ribs (26) are arranged on two sides of the output end of the second hydraulic cylinder (9), and the upper ends of the reinforcing ribs (26) are connected with the second support plate (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321827891.9U CN220469975U (en) | 2023-07-12 | 2023-07-12 | Retractable sector surface support bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321827891.9U CN220469975U (en) | 2023-07-12 | 2023-07-12 | Retractable sector surface support bracket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220469975U true CN220469975U (en) | 2024-02-09 |
Family
ID=89774892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321827891.9U Active CN220469975U (en) | 2023-07-12 | 2023-07-12 | Retractable sector surface support bracket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220469975U (en) |
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2023
- 2023-07-12 CN CN202321827891.9U patent/CN220469975U/en active Active
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