CN210564605U - Double-beam temporary support device - Google Patents
Double-beam temporary support device Download PDFInfo
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- CN210564605U CN210564605U CN201920419941.7U CN201920419941U CN210564605U CN 210564605 U CN210564605 U CN 210564605U CN 201920419941 U CN201920419941 U CN 201920419941U CN 210564605 U CN210564605 U CN 210564605U
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- cylinder
- clamp plate
- support device
- temporary support
- urceolus
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Abstract
The utility model discloses a two beam type temporary support device, support device fixes at the anterior flexible roof beam of entry driving machine through the bracket, and support device includes two supporting unit, two of interval distribution fixed connection between the supporting unit, wherein, every supporting unit includes urceolus, lapse hydro-cylinder and clamp plate, lapse hydro-cylinder symmetry sets up the inside of urceolus, the piston rod free end of lapse hydro-cylinder with the clamp plate is connected, the clamp plate is located the outside of urceolus, works as when the piston rod of lapse hydro-cylinder stretches out, the clamp plate helps looks butt with two in tunnel, still be equipped with a plurality of apical cones, it is a plurality of on the lateral surface of clamp plate the apical cone is the matrix form and distributes. The utility model discloses can replace original temporary support mode, adapt to the adverse circumstances on scene in the pit, guarantee safe construction to realized mechanized supporting operation, reduced workman construction intensity of labour, improved tunnelling efficiency.
Description
Technical Field
The utility model relates to a colliery tunnelling roadway support equipment technical field especially relates to a two beam type temporary support device.
Background
The safety problem of the tunneling head-on temporary support is a technical problem which puzzles coal production for many years, the temporary support commonly used in domestic coal mines at present is a channeling pipe forepoling beam, a pillar and a beam and the like, the two modes seriously affect the tunneling efficiency, and the biggest problem is that a safe weak link is still left. Chinese patent application No. 200810055579.6 discloses a temporary support device for a driving tunnel, which comprises a bracket, a fastening ring, a hydraulic jack, a pin shaft and the like, wherein the temporary support device is mainly installed on a telescopic arm of a driving machine through the bracket and other modes, the temporary support device utilizes a lifting and left-right moving mechanism of a cutting part and the telescopic arm of the driving machine to implement a temporary support process for the driving tunnel, but the support mode has a complex structure, the support effect for two sides of the driving tunnel is poor, and the safety requirement can not be met.
SUMMERY OF THE UTILITY MODEL
The utility model discloses solve the technical problem who exists among the prior art to a can improve the temporary support device of two beam types to the effect is strutted to tunnel roof and two groups simultaneously that does not influence tunnelling efficiency, security height is provided.
The above technical problem of the present invention can be solved by the following technical solutions:
the utility model provides a two beam type temporary support device, its characterized in that, it includes two support units of interval distribution, two support fixed connection between the unit, wherein, every support unit includes urceolus, lapse hydro-cylinder and clamp plate, lapse hydro-cylinder symmetry sets up the inside of urceolus, the piston rod free end of lapse hydro-cylinder with the clamp plate is connected, the clamp plate is located the outside of urceolus, when the piston rod of lapse hydro-cylinder stretches out, clamp plate and two group looks butt in tunnel, still be equipped with a plurality of apices on the lateral surface of clamp plate, it is a plurality of the apices are the matrix form and distribute.
Further, the tip cone comprises a cone surface body, a cone frustum-shaped transition body and a cylinder fixed end, wherein the cone surface body, the cone frustum-shaped transition body and the cylinder fixed end are integrally formed, the cylinder fixed end is in threaded connection with the pressing plate, the large end of the cone frustum-shaped transition body is connected with the large end of the cone surface body, and the small end of the cone frustum-shaped transition body is connected with the cylinder fixed end.
Furthermore, a plurality of connecting beams are further arranged between the two supporting units, and the connecting beams are symmetrically arranged on two sides of the supporting units.
Further, the bottom of the cylinder body of the pushing oil cylinder is also provided with a connecting seat, and the connecting seat is fixedly connected with the outer cylinder through a bolt.
Further, the outer surface of the outer cylinder is coated with a rust-proof layer.
The beneficial effects of the utility model reside in that: when the double-beam temporary support device is used, the double-beam temporary support device is fixed on a telescopic arm at the front part of a tunneling machine through a bracket, a pushing oil cylinder of the double-beam temporary support device is in a contraction state under a normal installation state, the tunneling machine drives the double-beam temporary support device to normally operate, after cutting of the tunneling machine is completed, the telescopic arm of the tunneling machine supports the double-beam temporary support device to the height of a roadway top plate, then a piston rod is pushed through the pushing oil cylinder of each support unit respectively, a pressing plate on the piston rod is pushed and abutted to two sides of the roadway, pressure is applied to the two sides of the roadway by using the thrust of the pushing oil cylinder, a friction force is generated at the same time, and therefore the roadway pressing plate is supported, and meanwhile, an outer cylinder of each support unit is tightly attached to. The utility model discloses can replace original temporary support mode, adapt to the adverse circumstances on scene in the pit, guarantee safe construction to realized mechanized supporting operation, reduced workman construction intensity of labour, improved tunnelling efficiency.
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 double-beam temporary support device of the present invention;
fig. 2 is an enlarged schematic view of the tip cone of fig. 1.
Fig. 3 is a use state diagram of the double-beam temporary support device of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention can be more clearly and clearly defined.
Referring to fig. 1-3, the utility model provides a two beam type temporary support device, support device fixes on the anterior flexible arm of entry driving machine through the bracket, support device includes two supporting unit 1 of interval distribution, two support fixed connection between the unit, wherein, every supporting unit 1 includes urceolus 11, pass hydro-cylinder 12 and clamp plate 13, pass hydro-cylinder 12 symmetry and set up the inside at urceolus 11, the piston rod free end of passing hydro-cylinder 12 is connected with clamp plate 13, clamp plate 13 is located the outside of urceolus 11, when the piston rod of passing hydro-cylinder 12 stretches out, clamp plate 13 and two group looks butt in tunnel, still be equipped with a plurality of apiculas 14 on clamp plate 13's the lateral surface, a plurality of apiculas 14 are the matrix and distribute. The utility model discloses in, a plurality of apex cones 14 that are the matrix form and distribute not only can increase the frictional force of clamp plate 13 and two sides in tunnel, improve holistic intensity of strutting, can avoid the clamp plate 13 that two sides unevenness in tunnel caused and two defects of group area of contact undersize in tunnel moreover.
The utility model discloses a every passes hydro-cylinder 12 of strutting unit 1 and passes the piston rod respectively, passes the butt with clamp plate 13 on the piston rod to two helps in the tunnel, utilizes the thrust of passing hydro-cylinder 12 to apply pressure for two sides in the tunnel, produces a frictional force simultaneously to the realization is to the support of tunnel roof, and every urceolus of strutting the unit simultaneously hugs closely to the tunnel roof on, forms ascending support power, in order to realize effectively strutting the tunnel roof. The underground supporting device can replace the original temporary supporting mode, is suitable for the severe environment of an underground site, ensures safe construction, realizes mechanical supporting operation, reduces the labor intensity of workers in construction, and improves the tunneling efficiency.
Specifically, the tip cone 14 includes a cone body 141, a truncated cone-shaped transition body 142, and a cylindrical fixed end 143, which are integrally formed, the cylindrical fixed end 143 is screwed with the pressure plate 13, a large end of the truncated cone-shaped transition body 142 is connected with a large end of the cone body 141, and a small end of the truncated cone-shaped transition body 142 is connected with the cylindrical fixed end 143. The utility model discloses in, cylinder stiff end 143 is connected with the clamp plate 13 is detachable, can conveniently change the tip cone 14, and the setting of conical surface body 141 then can block into in two sides of tunnel better.
Preferably, in order to reduce the distortion of two adjacent supporting units 1 during supporting, a plurality of connecting beams 2 are further arranged between the two supporting units 1, the connecting beams 2 are symmetrically arranged on two sides of the supporting units 1, and the connecting beams can be connected in various manners such as welding and screwing. In this embodiment, the bottom of the pushing cylinder 12 is further provided with a connecting seat 15, and the connecting seat 15 is fixedly connected with the outer cylinder 11 through a bolt. Preferably, the outer surface of the outer cylinder 11 is further coated with a rust preventive layer.
The above is only the specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.
Claims (5)
1. The utility model provides a two beam type temporary support device, its characterized in that, support device includes two support units of interval distribution, two support fixed connection between the unit, wherein, every support the unit and include urceolus, lapse hydro-cylinder and clamp plate, lapse hydro-cylinder symmetry sets up the inside of urceolus, the piston rod free end of lapse hydro-cylinder with the clamp plate is connected, the clamp plate is located the outside of urceolus, when the piston rod of lapse hydro-cylinder stretches out, clamp plate and two group looks butt in tunnel, still be equipped with a plurality of apiculates on the lateral surface of clamp plate, it is a plurality of the apiculates are the matrix form and distribute.
2. A double-beam temporary support device as defined in claim 1, wherein said tip cone comprises a cone body, a truncated cone-shaped transition body and a cylindrical fixing end which are integrally formed, said cylindrical fixing end being screw-coupled with said pressing plate, a large end of said truncated cone-shaped transition body being coupled with a large end of said cone body, and a small end of said truncated cone-shaped transition body being coupled with said cylindrical fixing end.
3. A double-beam temporary support structure as claimed in claim 2, wherein a plurality of coupling beams are further provided between two support units, the coupling beams being symmetrically provided on both lateral sides of the support units.
4. A double-beam temporary support device as claimed in claim 1, wherein a connecting seat is further provided at the bottom of the cylinder body of said push cylinder, and said connecting seat is fixedly connected to said outer cylinder by means of bolts.
5. A double beam temporary support as claimed in claim 1, wherein the outer surface of said outer cylinder is further coated with a rust preventive layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920419941.7U CN210564605U (en) | 2019-03-29 | 2019-03-29 | Double-beam temporary support device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920419941.7U CN210564605U (en) | 2019-03-29 | 2019-03-29 | Double-beam temporary support device |
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| CN210564605U true CN210564605U (en) | 2020-05-19 |
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| CN201920419941.7U Active CN210564605U (en) | 2019-03-29 | 2019-03-29 | Double-beam temporary support device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110067583A (en) * | 2019-03-29 | 2019-07-30 | 新汶矿业集团有限责任公司 | Two-beam type advanced stand device and its implementation when for underworkings driving |
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2019
- 2019-03-29 CN CN201920419941.7U patent/CN210564605U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110067583A (en) * | 2019-03-29 | 2019-07-30 | 新汶矿业集团有限责任公司 | Two-beam type advanced stand device and its implementation when for underworkings driving |
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