CN212479300U - Tunneling working face circulating support combined support - Google Patents
Tunneling working face circulating support combined support Download PDFInfo
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- CN212479300U CN212479300U CN202022238733.2U CN202022238733U CN212479300U CN 212479300 U CN212479300 U CN 212479300U CN 202022238733 U CN202022238733 U CN 202022238733U CN 212479300 U CN212479300 U CN 212479300U
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Abstract
The utility model discloses a tunneling working face circulating support combined support, which comprises a crawler-type support body group, wherein the bottom of an upper support body is contacted with a plurality of groups of sliding support groups, each sliding support group comprises an outer sliding support and an inner sliding support, the outer sliding supports are connected through a plurality of first cross beams, and the inner sliding supports are connected through a plurality of second cross beams; inner sliding pillars are fixed at two ends of a first cross beam, outer sliding pillars are fixed at two ends of a second cross beam, a plurality of stepping cylinders are connected between the first cross beam and the second cross beam in the middle of the first cross beam, a first sliding groove for the first cross beam to slide back and forth is formed in an outer sliding support, a second sliding groove for the second cross beam to slide back and forth is formed in an inner sliding support, and carrier rollers are arranged below the first cross beam and the second cross beam; the front ends of the outer sliding support and the inner sliding support are provided with top wheels, one side of the support body close to the sliding support group is provided with a track groove, the device is in mechanical-electrical-hydraulic integrated full-automatic control, the parallel operation of tunneling and temporary support is realized, and the working efficiency of roadway tunneling is improved.
Description
Technical Field
The utility model relates to a coal mining field, concretely relates to tunneling working face circulation support sectional shelf-unit.
Background
In recent years, with the continuous enhancement of coal mine safety infrastructure, the standardization of safety production is continuously promoted, and the mechanization, automation, informatization and intellectualization are rapidly developed, so that the mechanization of people changing, automation of people reducing and intellectualization of unmanned mine construction are greatly promoted, the safety production is powerfully guaranteed, and good economic benefits are obtained.
At present, the temporary support of the tunneling working face mostly adopts simple steel beam support, the moving mode of the steel beam mostly adopts manual movement, and in the movement process, the steel beam is great in heavy labor input, time-consuming, labor-consuming and potential safety hazards exist. The semi-automatic and semi-manual modes greatly reduce the working efficiency and have great potential safety hazard, and the tunneling and the temporary support cannot be operated in parallel, so that the further improvement of the tunneling efficiency of the roadway is restricted.
SUMMERY OF THE UTILITY MODEL
The technique that exists is not enough to the aforesaid, the utility model aims at providing a tunneling working face circulation supports sectional shelf-unit, and it has realized tunnelling and temporary support parallel operation, has improved the work efficiency of tunnelling.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the utility model provides a tunneling working face circulating support combined support, including being the endless crawler-type support body group, support body group includes a plurality of support body, and two adjacent support bodies are articulated together through a plurality of tie-beams before, are equipped with a plurality of groups in the annular chamber of support body group and are parallel to each other and play the slip support group of supporting role to its upper strata support body, the slip support group includes outer slip support and interior slip support, link together through a plurality of first crossbeams perpendicular to it between the outer slip support, first crossbeam passes interior slip support simultaneously, link together through a plurality of second crossbeams perpendicular to it between the interior slip support, the second crossbeam passes outer slip support simultaneously; the two ends of the first cross beam extend out of the outer sliding supports respectively and are fixedly provided with telescopic inner sliding supports, the two ends of the second cross beam extend out of the inner sliding supports on the two sides and are fixedly provided with telescopic outer sliding supports, the first cross beam and the second cross beam are arranged alternately, a plurality of stepping cylinders are connected between the first cross beam and the second cross beam arranged in the middle, the outer sliding supports are provided with first sliding grooves for the first cross beam to slide back and forth, the inner sliding supports are provided with second sliding grooves for the second cross beam to slide back and forth, and a carrier roller for supporting a lower supporting body in the supporting body group is arranged below each of the first cross beam and the second cross beam;
the front ends of the outer sliding support and the inner sliding support correspond to the tunneling direction and are respectively provided with a top wheel, one side, close to the sliding support group, in the annular cavity of the support body group is provided with a track groove matched with the top wheels, the sliding support group and the support body group can slide relatively in the track groove, and the support body group can rotate and slide on the sliding support group along with the movement of the sliding support group, so that walking and supporting are realized.
Preferably, the lengths of the first cross beam, the second cross beam and the carrier roller are all greater than the length of the support body.
Preferably, floating cylinders are arranged at the tops of the outer sliding support column and the inner sliding support column, and the extending ends of the floating cylinders are fixed on the corresponding first cross beam or second cross beam.
Preferably, the outer sliding support and the inner sliding support are formed by connecting a plurality of sections of support frames together, and the length of the outer sliding support is greater than that of the inner sliding support.
Preferably, both ends of the first cross beam and the second cross beam are fixedly connected with the carrier roller through the hanging bracket.
Preferably, the supporting body, the first cross beam and the second cross beam are rectangular tubes or circular tubes.
Preferably, the number of the outer sliding supports and the number of the inner sliding supports are 3 respectively, and the number of the first cross beam and the number of the second cross beam are 2 respectively.
The beneficial effects of the utility model reside in that:
1. the machine and the electric liquid are integrated and fully automatically controlled, and the field does not work by people, so that the potential safety hazard in the production process is reduced, and the investment of labor cost is reduced.
2. The supporting action is only sliding forwards along the track groove under the limiting action of the sliding groove, the action is simple and convenient, and the failure rate is low.
3. The internal components of the equipment are designed and assembled simply and conveniently in an integrated manner, the stability and reliability of the whole equipment are improved, and the rectangular pipe or the circular pipe made of common steel is adopted, so that the manufacturing cost is low.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a tunneling working face circulation support combined support provided by an embodiment of the present invention;
fig. 2 is a schematic structural diagram side view (without a support body) of a tunneling working face circulation support combined support provided by an embodiment of the present invention;
fig. 3 is a schematic structural view (without a support body) of a tunneling working face circulation support combined support according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a supporting body of a tunneling working face circulating support combined support according to an embodiment of the present invention;
fig. 5 is a schematic view of the connection between the first beam, the second beam and the sliding support set provided by the embodiment of the present invention.
Description of reference numerals:
1. a supporting body; 2. a connecting beam; 3. a hanger; 4. a carrier roller; 5. a step cylinder; 6. a floating cylinder; 7. a first cross member; 8. a second cross member; 9. an outer sliding support; 10. an inner sliding support; 11. an outer sliding pillar; 12. an inner sliding pillar; 13. and (4) a top wheel.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 to 5, a tunneling working face circulating support combined support comprises a crawler-type support body group in a closed ring shape, wherein the support body group comprises a plurality of support bodies 1, two adjacent support bodies 1 are hinged together through a plurality of connecting beams 2, a plurality of sliding support groups which are parallel to each other and support the support bodies 1 on the upper layer are arranged in an annular cavity of the support body group, each sliding support group comprises an outer sliding support 10 and an inner sliding support 9, the outer sliding supports 10 are connected together through a front first cross beam 7 and a rear first cross beam 7 which are perpendicular to the outer sliding supports, the first cross beams 7 simultaneously penetrate through the inner sliding supports 9, the inner sliding supports 9 are connected together through a front second cross beam 8 and a rear second cross beam 8 which are perpendicular to the inner sliding supports, and the second cross beams 8 simultaneously penetrate through the outer sliding supports 10;
the two ends of the first cross beam 7 extend out of the outer sliding support 10 respectively and are fixedly provided with telescopic inner sliding pillars 12, the two ends of the second cross beam 8 extend out of the two inner sliding supports 9 and are fixedly provided with telescopic outer sliding pillars 11, the first cross beam 7 and the second cross beam 8 are arranged alternately, two stepping cylinders 5 are connected between the first cross beam 7 and the second cross beam 8 arranged in the middle, the stepping cylinders 5 are arranged on two sides of the combined support, a first sliding groove for the first cross beam 7 to slide back and forth is formed in the outer sliding support 10, a second sliding groove for the second cross beam 8 to slide back and forth is formed in the inner sliding support 9, and a carrier roller 4 for supporting the lower support body 1 is arranged below each of the first cross beam 7 and the second cross beam 8.
The front ends of the outer sliding support 10 and the inner sliding support 9 correspond to the tunneling direction and are respectively provided with a top wheel 13, one side, close to the sliding support group, in the annular cavity of the support body group is provided with a track groove matched with the top wheels 13, the sliding support group and the support body group can slide relatively in the track groove, and the support body group can rotate and slide on the sliding support group along with the movement of the sliding support group, so that walking and supporting are realized.
The lengths of the first cross beam 7, the second cross beam 8 and the carrier roller 4 are all larger than that of the support body 1.
The top parts of the outer sliding support column 11 and the inner sliding support column 12 are respectively provided with a floating cylinder 6, and the extending end of the floating cylinder 6 is fixed on the corresponding first cross beam 7 or second cross beam 8.
The outer sliding support 10 and the inner sliding support 9 are formed by connecting a plurality of sections of support frames, and the length of the outer sliding support 10 is larger than that of the inner sliding support 9.
And two ends of the first cross beam 7 and the second cross beam 8 are fixedly connected with the carrier roller 4 through the hanging bracket 3.
The supporting body 1, the first cross beam 7 and the second cross beam 8 are rectangular tubes.
In use, the working preparation state is as shown in fig. 1, and the top wheels 13 at the front ends of the inner sliding support 9 and the outer sliding support 10 are flush. The floating cylinder 6 is extended and the stepping cylinder 5 is contracted.
When taking a step: firstly, the floating cylinder 6 on the outer sliding support 12 connected with the outer sliding support 10 retracts to the position. Then the stepping cylinder 5 extends out, the outer sliding support 10 slides forwards, and simultaneously the top wheel 13 on the outer sliding support 10 pushes the support body 1 to slide forwards. After the stepping cylinder 5 extends to the right position, the floating cylinder 6 on the outer sliding support 12 extends, the outer sliding support 12 lands on the ground, and the sliding distance of the outer sliding support 10 is the extending distance of the stepping cylinder 5. Secondly, the floating cylinder 6 on the inner sliding support 11 connected with the inner sliding support 9 retracts to the right position. Then the stepping cylinder 5 retracts, the inner sliding support 9 slides forwards, after the stepping cylinder 5 retracts to the right position, the floating cylinder 6 on the inner sliding support 9 extends out, the inner sliding support 11 lands on the ground, and the sliding distance of the inner sliding support 9 is the retracting distance of the stepping cylinder 5. The device resumes the initial work ready state.
In conclusion, the first step and the second step are a complete step motion, and the automatic circulating step support can be realized according to the actual circulating motion on site.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (7)
1. A tunneling working face circulating support combined bracket is characterized by comprising a closed-loop crawler-type support body group, the supporting body group comprises a plurality of supporting bodies (1), two adjacent supporting bodies (1) are hinged together through a plurality of connecting beams (2), a plurality of groups of sliding supporting groups which are parallel to each other and play a supporting role for the supporting body (1) on the upper layer are arranged in an annular cavity of the supporting body group, the sliding support group comprises an outer sliding support (10) and an inner sliding support (9), the outer sliding supports (10) are connected together through a plurality of first cross beams (7) vertical to the outer sliding supports, the first cross beam (7) penetrates through the inner sliding supports (9) at the same time, the inner sliding supports (9) are connected together through a plurality of second cross beams (8) perpendicular to the inner sliding supports, and the second cross beams (8) penetrate through the outer sliding supports (10) at the same time;
the support is characterized in that telescopic inner sliding pillars (12) are fixed at two ends of the first cross beam (7) respectively extending out of the outer sliding supports (10), telescopic outer sliding pillars (11) are fixed at two ends of the second cross beam (8) extending out of the inner sliding supports (9) at two sides, the first cross beam (7) and the second cross beam (8) are alternately arranged, a plurality of stepping cylinders (5) are connected between the first cross beam (7) and the second cross beam (8) arranged in the middle of the support, a first sliding chute for the first cross beam (7) to slide back and forth is formed in the outer sliding supports (10), a second sliding chute for the second cross beam (8) to slide back and forth is formed in the inner sliding supports (9), and a carrier roller (4) for supporting the lower support (1) in the support group is arranged below the first cross beam (7) and the second cross beam (8); the front ends of the outer sliding support (10) and the inner sliding support (9) correspond to the tunneling direction and are respectively provided with a top wheel (13), one side, close to the sliding support group, in the annular cavity of the support body group is provided with a track groove matched with the top wheels (13), the sliding support group and the support body group can slide relatively in the track groove, and the support body group can rotate and slide on the sliding support group along with the movement of the sliding support group, so that walking and supporting are realized.
2. A ripping face circulation support assembly bracket according to claim 1, wherein the lengths of the first beam (7), the second beam (8) and the carrier roller (4) are all greater than the length of the support body (1).
3. A tunneling working face circulating support combined support according to claim 1, characterized in that the top of the outer sliding support (11) and the top of the inner sliding support (12) are provided with floating cylinders (6), and the extending ends of the floating cylinders (6) are fixed on the corresponding first cross beam (7) or second cross beam (8).
4. A tunneling working face circulation support combination support according to claim 1, characterized in that the outer sliding support (10) and the inner sliding support (9) are composed of a plurality of sections of support frames which are connected together, and the length of the outer sliding support (10) is larger than that of the inner sliding support (9).
5. A ripping face circulation support assembly bracket according to claim 1, wherein both ends of the first beam (7) and the second beam (8) are fixedly connected with the carrier roller (4) through the hanger (3).
6. A ripping face circulation support assembly bracket according to claim 1, wherein the support body (1), the first cross member (7), and the second cross member (8) are rectangular tubes or circular tubes.
7. A ripping face circulation support assembly bracket according to claim 1, wherein there are 3 of the outer and inner skid brackets (10, 9), respectively, and 2 of the first and second cross members (7, 8), respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022238733.2U CN212479300U (en) | 2020-10-10 | 2020-10-10 | Tunneling working face circulating support combined support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022238733.2U CN212479300U (en) | 2020-10-10 | 2020-10-10 | Tunneling working face circulating support combined support |
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| CN212479300U true CN212479300U (en) | 2021-02-05 |
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| CN202022238733.2U Active CN212479300U (en) | 2020-10-10 | 2020-10-10 | Tunneling working face circulating support combined support |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114087003A (en) * | 2021-11-17 | 2022-02-25 | 中国矿业大学 | Temporary support combined moving device and method for self-adaptive tunneling roadway empty-roof distance |
| CN114087003B (en) * | 2021-11-17 | 2024-04-26 | 中国矿业大学 | Temporary support combined moving device and method for self-adaptive tunneling roadway overhead distance |
-
2020
- 2020-10-10 CN CN202022238733.2U patent/CN212479300U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114087003A (en) * | 2021-11-17 | 2022-02-25 | 中国矿业大学 | Temporary support combined moving device and method for self-adaptive tunneling roadway empty-roof distance |
| CN114087003B (en) * | 2021-11-17 | 2024-04-26 | 中国矿业大学 | Temporary support combined moving device and method for self-adaptive tunneling roadway overhead distance |
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