CN211116070U

CN211116070U - Hydraulic support with antiskid function

Info

Publication number: CN211116070U
Application number: CN201921663939.0U
Authority: CN
Inventors: 韩宇翔
Original assignee: Beijing Coppert Coal Machinery Equipment Co ltd
Current assignee: Beijing Coppert Coal Machinery Equipment Co ltd
Priority date: 2019-10-07
Filing date: 2019-10-07
Publication date: 2020-07-28
Anticipated expiration: 2029-10-07

Abstract

The utility model discloses a hydraulic support with antiskid function, including hydraulic support body, pneumatic cylinder and support column, the hydraulic support body includes back timber and base, the upper wall of back timber is provided with anti-skidding arris, the left and right sides of base front end and base rear end all is provided with the pneumatic cylinder, the place ahead and the rear of base all are provided with the support column. The utility model discloses a be provided with a series of structures and make this novel for prior art for the support width greatly increased of bottom has strengthened stability, and has avoided this novel possibility that produces when using and slide, and the security can promote greatly.

Description

Hydraulic support with antiskid function

Technical Field

The utility model relates to a mining machinery technical field specifically is a hydraulic support with antiskid function.

Background

The hydraulic support is a support device of a fully mechanized mining face, is particularly indispensable in coal mining, has the main functions of supporting a stope roof, maintaining a safe operation space and pushing a working face mining and transporting device, can reliably support the roof and can move forwards along with the propulsion of a stope face in the working process, requires that the hydraulic support has four basic actions of lifting, descending, pushing and moving, and the actions are realized by high-pressure liquid supplied by an emulsion pump station through the control of the expansion and contraction of various valves and jacks, and consists of an upright post, a jack, a top beam, a shield beam, a base, a pushing device, a control system and other auxiliary devices, and the existing hydraulic support has the phenomenon of slipping caused by insufficient friction force of the top beam when in use, generates great potential safety hazards and has smaller contact area at the bottom of the hydraulic support, in addition, the support surface has a complex terrain, and the hydraulic support may topple over, which directly threatens the life safety of workers.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

An object of the utility model is to provide a hydraulic support with antiskid function to there is the phenomenon of skidding because of back timber frictional force is not enough to appear in the current hydraulic support who proposes when using in solving above-mentioned background art, has produced very big potential safety hazard, and because hydraulic support bottom area of contact is less, in addition holding surface topography is complicated, has the possibility that hydraulic support takes place to empty simultaneously, directly threatens workman's life safety's problem.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a hydraulic support with antiskid function, includes hydraulic support body, pneumatic cylinder and support column, the hydraulic support body includes back timber and base, the upper wall of back timber is provided with anti-skidding arris, the left and right sides of base front end and the left and right sides of base rear end all are provided with the pneumatic cylinder, the place ahead and the rear of base all are provided with the support column.

Preferably, the cross section of the upper side of the anti-slip ribs is triangular, the anti-slip ribs are arranged on the upper wall of the top beam in a transverse and vertical alternating mode, and the height of each anti-slip rib is set to be 5-10 mm.

Preferably, the hydraulic cylinder is installed on the base through a bolt, and a clearance hole is formed in the base corresponding to the position of the hydraulic cylinder.

Preferably, the inside of keeping away the vacancy hole is provided with the ground nail, and the upper end of ground nail is fixed on the output of pneumatic cylinder, the bottom of ground nail is the toper setting.

Preferably, a fixing lug is fixed on the side wall of the base corresponding to the left end of the supporting column, and the left end of the supporting column is located inside the fixing lug.

Preferably, the support column is rotatably connected with the fixing lug through a pin, and a threaded hole is formed in the right side of the support column.

Preferably, a screw rod is arranged in the threaded hole, and a rotating disc and a supporting pad are correspondingly fixed at the upper end and the lower end of the screw rod respectively.

(III) advantageous effects

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model has the advantages that the anti-slip edge, the ground nail and the support column are arranged, the working surface is supported by adjusting the top beam, at the moment, the anti-slip edge of the upper wall of the top beam can enter the inside of the working surface to create resistance for the sliding of the top beam and the working surface so as to achieve the effect of preventing the sliding, the power output end of the hydraulic cylinder can move downwards by operating the hydraulic cylinder, the power output end of the hydraulic cylinder moves downwards to ensure that the ground nail is inserted into the inside of the ground to further strengthen the prevention of the sliding of the utility model, the rotating disc is rotated after the support column is rotated to ensure that the support pad is contacted with the ground, the bottom stress width of the utility model can be increased, so that the utility model is more stable in working, the utility model has simple structure and low cost, solves the problem that the sliding phenomenon occurs when the existing hydraulic support is used because the friction force of the top beam is, in addition, the support surface has complex terrain, and the possibility of toppling over of the hydraulic support exists, so that the life safety of workers is directly threatened.

Drawings

Fig. 1 is a front sectional view of the present invention;

fig. 2 is a front view of the present invention;

fig. 3 is a top view of the present invention;

fig. 4 is an enlarged view of a in fig. 1 according to the present invention.

The reference numbers in the figures are: 1. anti-slip edges; 2. a top beam; 3. a hydraulic bracket body; 4. a base; 5. a hydraulic cylinder; 6. avoiding a void; 7. a pin; 8. fixing the ear; 9. a support pillar; 10. a bolt; 11. a ground nail; 12. a support pad; 13. a screw; 14. rotating the disc; 15. a threaded bore.

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.

Referring to fig. 1-4, the present invention provides an embodiment: the utility model provides a hydraulic support with antiskid function, including hydraulic support body 3, pneumatic cylinder 5 and support column 9, hydraulic support body 3 includes back timber 2 and base 4, the upper wall of back timber 2 is provided with anti-skidding arris 1, anti-skidding arris 1 can be in this novel during operation inserts the inside of working face, avoid this novel during operation to produce and slide, the left and right sides of 4 front ends of base and the left and right sides of 4 rear ends of base all are provided with pneumatic cylinder 5, pneumatic cylinder 5 can insert the inside on ground with ground nail 11, the place ahead and the rear of base 4 all are provided with support column 9, support column 9 can increase this novel during operation's the lifting surface area of this novel bottom.

Furthermore, the cross section of the upper side of the anti-slip arris 1 is triangular, so that the anti-slip arris 1 can be conveniently inserted into the working surface, the anti-slip arris 1 are alternately arranged on the upper wall of the top beam 2 in a horizontal and vertical mode, the sliding phenomenon is further avoided, and the height of the anti-slip arris 1 is set to be 5-10 mm.

Further, the hydraulic cylinder 5 is installed on the base 4 through a bolt 10, and a clearance hole 6 is formed in the base 4 corresponding to the position of the hydraulic cylinder 5.

Further, the inside of clearance hole 6 is provided with ground nail 11, and ground nail 11 makes this novel more firm, and the upper end of ground nail 11 is fixed on the output of pneumatic cylinder 5, and the bottom of ground nail 11 is the toper setting, and ground nail 11 of being convenient for inserts ground.

Furthermore, a left end of the supporting column 9 corresponds to the side wall of the base 4 and is fixed with a fixing ear 8, and the left end of the supporting column 9 is located inside the fixing ear 8.

Further, the supporting column 9 is rotatably connected with the fixing lug 8 through a pin 7, and a threaded hole 15 is formed in the right side of the supporting column 9.

Further, a screw 13 is arranged inside the threaded hole 15, a rotating disc 14 and a supporting pad 12 are correspondingly fixed at the upper end and the lower end of the screw 13 respectively, and the rotating disc 14 is convenient for workers to rotate the screw 13.

The working principle is as follows: this is novel when using, the staff supports the working face through the height of adjusting back timber 2, with the altitude mixture control of back timber 2 to the time of can supporting the height of working face, the antiskid arris 1 of 2 upper walls of back timber this moment can get into the inside of working face, then operation pneumatic cylinder 5 can make the power take off end downstream of pneumatic cylinder 5, the power take off end downstream of pneumatic cylinder 5 makes the inside that ground nail 11 inserted ground, prevent this novel during operation production and slide, when needs increase this novel bottom width, it can to rotate supporting column 9 makes supporting pad 12 and rotate the rolling disc 14 again behind the suitable position make supporting pad 12 and ground contact.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

1. The utility model provides a hydraulic support with antiskid function, includes hydraulic support body (3), pneumatic cylinder (5) and support column (9), hydraulic support body (3) are including back timber (2) and base (4), its characterized in that: the anti-skidding arris (1) are provided with to the upper wall of back timber (2), the left and right sides of base (4) front end and the left and right sides of base (4) rear end all are provided with pneumatic cylinder (5), the place ahead and the rear of base (4) all are provided with support column (9).

2. The hydraulic support with the antiskid function according to claim 1, wherein: the cross section of the upper side of the anti-slip ribs (1) is triangular, the anti-slip ribs (1) are arranged on the upper wall of the top beam (2) in a horizontal-vertical alternating mode, and the height of the anti-slip ribs (1) is set to be 5-10 mm.

3. The hydraulic support with the antiskid function according to claim 1, wherein: the hydraulic cylinder (5) is installed on the base (4) through a bolt (10), and a clearance hole (6) is formed in the base (4) corresponding to the position where the hydraulic cylinder (5) is located.

4. A hydraulic prop with anti-skid function according to claim 3, characterized in that: the inside of clearance hole (6) is provided with ground nail (11), and the upper end of ground nail (11) is fixed on the output of pneumatic cylinder (5), the bottom of ground nail (11) is the toper setting.

5. The hydraulic support with the antiskid function according to claim 1, wherein: the left end of the supporting column (9) corresponds to the side wall of the base (4) and is fixed with a fixing lug (8), and the left end of the supporting column (9) is located inside the fixing lug (8).

6. The hydraulic support with the antiskid function according to claim 5, wherein: the supporting column (9) is rotatably connected with the fixing lug (8) through a pin (7), and a threaded hole (15) is formed in the right side of the supporting column (9).

7. The hydraulic support with the antiskid function according to claim 6, wherein: the screw rod (13) is arranged in the threaded hole (15), and the upper end and the lower end of the screw rod (13) are respectively and correspondingly fixed with the rotating disc (14) and the supporting pad (12).