CN210509236U - All-round hydraulic pressure temporary support mechanism - Google Patents

All-round hydraulic pressure temporary support mechanism Download PDF

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Publication number
CN210509236U
CN210509236U CN201921233915.1U CN201921233915U CN210509236U CN 210509236 U CN210509236 U CN 210509236U CN 201921233915 U CN201921233915 U CN 201921233915U CN 210509236 U CN210509236 U CN 210509236U
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China
Prior art keywords
support
oil cylinder
bracket
telescopic
cylinder
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CN201921233915.1U
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Chinese (zh)
Inventor
杨林鑫
赵传祥
刘青辉
马学宗
黄以寿
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SHIJIAZHUANG AOCHUANG MINING EQUIPMENT CO LTD
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SHIJIAZHUANG AOCHUANG MINING EQUIPMENT CO LTD
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Abstract

The utility model discloses an omnibearing hydraulic temporary support mechanism, which comprises a stand column, a top bracket, a side bracket and a front bracket; the upright column comprises an outer cylinder, a telescopic upper cylinder and a telescopic lower cylinder which are arranged in the outer cylinder, and a bidirectional supporting oil cylinder is arranged in the middle section in the outer cylinder; the top bracket is an arch bracket and is fixedly connected with the telescopic upper barrel; the side support and the top support are connected through a pin shaft and are driven to rotate by a side supporting oil cylinder; the front support comprises a fixed support and a movable support, the front frame of the fixed support is fixedly connected, and the movable support is connected with the fixed support through a pin shaft and driven to rotate by a front support oil cylinder. The utility model realizes the all-round support of the top, the front wall and the side wall of the tunnel, and the support has high attaching degree with the inner wall of the tunnel, large contact area, large effective supporting force, and greatly improves the stability and the safety of the support; effectively solves various support problems at present.

Description

All-round hydraulic pressure temporary support mechanism
Technical Field
The utility model relates to an all-round hydraulic pressure temporary support mechanism belongs to coal mine equipment technical field.
Background
The roadway hydraulic support mechanism is one of the components of the tunneling, anchoring and protecting integrated machine, and is used for performing temporary support during tunneling a roadway working face and creating a safe working space for tunneling the roadway and performing subsequent permanent support work. The profile of the roadway is uneven when the roadheader cuts or explodes, the top plate of the supporting mechanism and the top wall of the roadway cannot be effectively pressed, the supporting force is small, and the supporting effect is poor; moreover, the existing supporting mechanism is usually only supported at the top, and the front wall and the two side walls of the roadway are not supported, so that broken stones often fall off from the front wall and the side walls, and obvious potential safety hazards are brought.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an all-round hydraulic pressure temporary support mechanism to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
an omnibearing hydraulic temporary support mechanism comprises two symmetrically arranged upright posts, a top bracket positioned above the upright posts, two side brackets positioned at two sides of the top bracket and a front bracket positioned in front of the top bracket; the upright column comprises an outer cylinder, a telescopic upper cylinder and a telescopic lower cylinder which are arranged in the outer cylinder, and a bidirectional supporting oil cylinder for driving the telescopic upper cylinder and the telescopic lower cylinder is arranged in the middle section in the outer cylinder; the top bracket is an arched bracket formed by crossing a plurality of cross beams and longitudinal beams, and is fixedly connected with the telescopic upper barrel; the side support is an arc-shaped support, the side support is connected with the top support through a pin shaft, the front support comprises a fixed support and a movable support, the fixed support is fixedly connected with a front frame of the top support, and the movable support is connected with the fixed support through a pin shaft and can rotate around the center of the pin shaft under the driving of the front support oil cylinder.
The utility model discloses a further improvement lies in: the top support top still is provided with a plurality of elastic support, elastic support detachable fixes the intersection at crossbeam and longeron.
The utility model discloses a further improvement lies in: the side support is connected with a piston rod of the side supporting oil cylinder through a side connecting rod, and the tail part of the side supporting oil cylinder is fixed below the top support; the tail part of the front support oil cylinder is fixed below the top bracket, and a hydraulic rod at the front end of the front support oil cylinder is fixedly connected with the movable bracket through a front connecting rod.
The utility model discloses a further improvement lies in: the side connecting rods and the front connecting rod are L-shaped connecting rods.
The utility model discloses a further improvement lies in: the movable supports are at least two in parallel, and each movable support is driven and controlled by an independent front support oil cylinder.
The utility model discloses a further improvement lies in: the telescopic upper barrel and the telescopic lower barrel are multi-stage telescopic barrels.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides an all-round hydraulic temporary support mechanism, which can realize all-round support of the top, the front wall and the side wall of a tunnel, and the support has high attaching degree with the inner wall of the tunnel, large contact area, large effective supporting force, and greatly improved stability and safety; the problem that the empty roof and the hydraulic support between the hydraulic support and the top wall cannot be effectively supported and supported due to the fact that the inner wall of the roadway is uneven, the supporting area is small, and front and two sides of the hydraulic support cannot be protected by broken stones is well solved.
The utility model discloses a top support, collateral branch frame and fore-stock all drive through independent support hydraulic cylinder, make each support all effectively laminate the inner wall and compress tightly, and support intensity is high. The multiple groups of elastic supporting columns are further arranged on the top support, small gaps between the uneven roadway top wall and the top support can be compensated, the contact area with the roadway top wall is increased, and the supporting effect is enhanced.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a rear view of the present invention;
FIG. 3 is a schematic view of the usage state of the present invention;
fig. 4 is a rear view of the utility model in use;
in the figure: 1-upright column, 11-outer cylinder, 12-telescopic upper cylinder, 13-telescopic lower cylinder, 14-support leg, 2-top bracket, 3-side bracket, 31-side support oil cylinder, 32-side connecting rod, 4-front bracket, 41-fixed bracket, 42-movable bracket, 43-front support oil cylinder, 44-front connecting rod and 5-elastic support.
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.
An omnibearing hydraulic temporary support mechanism is shown in figures 1-4 and comprises a stand column 1, a top support 2, a side support 3 and a front support 4. The upright column 1 is fixedly connected with a machine body of the tunneling, anchoring and protecting all-in-one machine through a telescopic arm, the hydraulic temporary supporting mechanism is arranged above the machine body and behind the cutting part in a non-working state, and the telescopic arm extends out and the hydraulic temporary supporting mechanism reaches the front of the cutting part to support in a working state.
The upright column 1 comprises two symmetrically arranged upright columns, and each upright column comprises an outer cylinder 11, an upper telescopic cylinder 12 and a lower telescopic cylinder 13 which are arranged in the outer cylinder. A bidirectional supporting oil cylinder is arranged at the middle section in the outer cylinder 11, an upper piston rod of the bidirectional supporting oil cylinder is fixedly connected with the telescopic upper cylinder 12, and a lower piston rod of the bidirectional supporting oil cylinder is fixedly connected with the telescopic lower cylinder 13; the stretching of the telescopic upper barrel and the telescopic lower barrel is driven by the bidirectional supporting oil cylinder, so that the height of the upright post is adjusted, and the supporting requirements of roadways with different heights are met.
The top of the telescopic upper barrel 12 is fixedly provided with a top bracket 2, the top bracket 2 is an arched bracket formed by crossing a plurality of cross beams and longitudinal beams, and each crossing part of the cross beams and the longitudinal beams is also provided with an elastic strut 5; the elastic support column 5 is a spring column, and the top of the spring column is in a disc shape. When the roof support 2 supports the tunnel roof, the spring force of these elastic support columns can compensate the clearance between unevenness's tunnel roof and the roof support, increase the laminating degree with the tunnel top, and the effect is strutted in the reinforcing. Elastic support 5 and top support 2 between for dismantling being connected, the operation personnel can adjust elastic support's height according to the roughness at tunnel top when the construction, make its up end can effective contact tunnel roof, provide the compensation support.
The two sides of the top bracket 2 are respectively connected with the side brackets 3, the side brackets 3 are connected with the top bracket 2 through pin shafts, and the side brackets can rotate around the center of the pin shaft and adjust the supporting angle under the driving of the side supporting oil cylinder 31. The side support 3 is an arc-shaped support, the side support 3 is connected with a piston rod of a side supporting oil cylinder 31 through a side connecting rod 32, and the tail part of the side supporting oil cylinder 31 is fixed below the top support 2.
The front support 4 is connected in front of the top support 2, the front support 4 is composed of a fixed support 41 and a movable support 42, wherein the fixed support 41 is fixedly connected with the front frame of the top support 2 and is perpendicular to the top support 2, and the movable support 42 is connected with the fixed support 41 through a pin shaft and rotates around the center of the pin shaft under the driving of a front support oil cylinder 43. The tail part of the side supporting oil cylinder 43 is fixed below the top bracket, and a hydraulic rod at the front end of the side supporting oil cylinder is fixedly connected with the movable bracket 42 through a front connecting rod 44. The fixed support 41 and the movable support 42 are both grid-shaped supports, and can prevent broken stones from falling.
Specifically, the fixing bracket 41 is further provided with a plurality of reinforcing ribs.
Specifically, in order to enhance the attaching effect with the front wall of the roadway, the number of the movable supports 42 is at least two, and each movable support 42 is driven and controlled by an independent front support oil cylinder; when the tunnel antetheca is uneven, can furthest laminate the antetheca, provide effective support.
Specifically, the telescopic upper cylinder 12 and the telescopic lower cylinder 13 are multi-stage telescopic cylinders; as shown in fig. 2, the upper telescopic cylinder 12 and the lower telescopic cylinder 13 are both two-stage telescopic cylinders, and the telescopic stroke is larger, so that the applicable roadway height range is wider.
Specifically, the bottom of the telescopic lower cylinder 13 is provided with a support leg 14, so that the support stability of the upright post is improved.
Specifically, the side connecting rod 32 is an L-shaped connecting rod, two supporting rods of the L-shaped connecting rod are respectively fixed at the tail part and the middle part of the side bracket, and the joint of the two supporting rods is fixedly connected with the piston rod of the side supporting oil cylinder; and during supporting, the tail part and the middle part of the side bracket are simultaneously stressed, so that the supporting stability is stronger.
Specifically, the front connecting rod 44 is an L-shaped connecting rod, two support rods of the L-shaped connecting rod are respectively fixed on two long frames of the movable support, and the joint of the two support rods is fixedly connected with a front support oil cylinder piston rod; two frames of the movable support are stressed simultaneously during supporting, and the supporting stability is stronger.
The utility model discloses a working process does:
when the tunneling, anchoring and protecting integrated machine enters a roadway working surface, the bidirectional supporting oil cylinder, the telescopic lower cylinder and the telescopic upper cylinder are driven to extend out, so that the telescopic lower cylinder is stably supported on the ground, and the top support supports the top of the roadway; then driving the side support oil cylinder and the front support oil cylinder to enable the side support and the front support to be attached to the inner wall of the roadway to the maximum extent and form stable support, namely realizing omnibearing stable temporary support of the roadway; after the anchoring operation is finished, the piston rods of the side supporting oil cylinder and the front supporting oil cylinder are driven to retract, the side support and the front support are reset, the bidirectional supporting oil cylinder is driven to work, the top support and the upright post are reset, and the roadway can be pushed forward and supported continuously.
When the bidirectional support oil cylinder works in practice, under the action of gravity, the lower telescopic cylinder is usually driven to extend out firstly, and the upper telescopic cylinder extends out after the support legs touch the ground; after the telescopic upper cylinder reaches the top wall, the bidirectional supporting oil cylinder continues to pressurize, and bidirectional tightening of the top wall and the ground is achieved. The bidirectional support oil cylinders in the two stand columns are connected with the hydraulic pump station, the oil circuit pressure is the same, the extension strokes of the lower telescopic cylinder and the upper telescopic cylinder are the same, and the support stability is high.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides an all-round hydraulic pressure temporary support mechanism which characterized in that: comprises two symmetrically arranged upright posts (1), a top bracket (2) positioned above the upright posts, two side brackets (3) positioned at two sides of the top bracket (2) and a front bracket (4) positioned in front of the top bracket (2); the upright post (1) comprises an outer barrel (11), a telescopic upper barrel (12) and a telescopic lower barrel (13) which are arranged in the outer barrel (11), and a bidirectional supporting oil cylinder for driving the telescopic upper barrel (12) and the telescopic lower barrel (13) is arranged in the middle section in the outer barrel (11); the top support (2) is an arched support formed by crossing a plurality of cross beams and longitudinal beams, and the top support (2) is fixedly connected with the telescopic upper barrel (12); the side support (3) is an arc-shaped support, the side support (3) is connected with the top support (2) through a pin shaft, and can rotate around the center of the pin shaft under the driving of a side support oil cylinder (31); the front support (4) comprises a fixed support (41) and a movable support (42), the fixed support (41) is fixedly connected with the front frame of the top support (2), and the movable support (42) is connected with the fixed support (41) through a pin shaft and can rotate around the center of the pin shaft under the driving of a front support oil cylinder (43).
2. The all-round hydraulic temporary support mechanism of claim 1, characterized in that: the top support (2) top still is provided with a plurality of elastic support posts (5), elastic support post (5) detachable fixes the intersection at crossbeam and longeron.
3. The all-round hydraulic temporary support mechanism of claim 1, characterized in that: the side support (3) is connected with a piston rod of a side supporting oil cylinder (31) through a side connecting rod (32), and the tail part of the side supporting oil cylinder (31) is fixed below the top support (2); the tail part of the front support oil cylinder (43) is fixed below the top bracket, and a hydraulic rod at the front end of the front support oil cylinder is fixedly connected with the movable bracket (42) through a front connecting rod (44).
4. The all-round hydraulic temporary support mechanism of claim 3, characterized in that: the side connecting rods (32) and the front connecting rod (44) are L-shaped connecting rods.
5. The all-round hydraulic temporary support mechanism of claim 1, characterized in that: the movable supports (42) are at least two arranged side by side, and each movable support (42) is driven and controlled by an independent front support oil cylinder (43).
6. The all-round hydraulic temporary support mechanism of claim 1, characterized in that: the telescopic upper barrel (12) and the telescopic lower barrel (13) are multi-stage telescopic barrels.
CN201921233915.1U 2019-08-01 2019-08-01 All-round hydraulic pressure temporary support mechanism Active CN210509236U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921233915.1U CN210509236U (en) 2019-08-01 2019-08-01 All-round hydraulic pressure temporary support mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921233915.1U CN210509236U (en) 2019-08-01 2019-08-01 All-round hydraulic pressure temporary support mechanism

Publications (1)

Publication Number Publication Date
CN210509236U true CN210509236U (en) 2020-05-12

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ID=70587026

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921233915.1U Active CN210509236U (en) 2019-08-01 2019-08-01 All-round hydraulic pressure temporary support mechanism

Country Status (1)

Country Link
CN (1) CN210509236U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112196595A (en) * 2020-11-14 2021-01-08 王世甲 Temporary support frame for coal mining

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112196595A (en) * 2020-11-14 2021-01-08 王世甲 Temporary support frame for coal mining

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