CN216077162U

CN216077162U - Light hydraulic support

Info

Publication number: CN216077162U
Application number: CN202122028227.5U
Authority: CN
Inventors: 张志勇; 庞军; 耿华锋; 刘媛媛; 郑晨
Original assignee: Xinwen Mining Group Co Ltd
Current assignee: Xinwen Mining Group Co Ltd
Priority date: 2021-08-26
Filing date: 2021-08-26
Publication date: 2022-03-18
Anticipated expiration: 2031-08-26

Abstract

The utility model discloses a light hydraulic support which comprises two hydraulic telescopic rods, wherein the tops of the two hydraulic telescopic rods are fixedly connected with a connecting rod through a first connecting mechanism, the top of the connecting rod is fixedly connected with a sleeve, sliding columns are arranged on the front end surface and the rear end surface of the sleeve in a sliding mode, balls are embedded on the end surfaces of the sliding columns, a supporting plate is arranged above the sleeve, a connecting plate is arranged on the bottom surface of the supporting plate, and the connecting plate is rotatably connected with the sleeve through a second connecting mechanism. According to the utility model, the top plate, the sleeve connecting rod and the hydraulic telescopic rod can be detached and respectively stored, so that the space is saved, the hydraulic telescopic rod can conveniently move in a branch roadway, the top plate, the sleeve connecting rod and the hydraulic telescopic rod are convenient to install on site through the arrangement of the first connecting mechanism and the second connecting mechanism, and the working efficiency is improved.

Description

Light hydraulic support

Technical Field

The utility model relates to the technical field of coal mining, in particular to a light hydraulic support.

Background

In the existing coal mining process, an anchor rod is usually adopted for supporting, the anchor rod supporting efficiency is low, the anchor rod supporting cannot be recycled, resource waste is caused, a part of supporting devices are protected and supported by hydraulic rods and supporting plates, however, the supporting structures are mostly made into an integral structure, the supporting structures are inconvenient to move in a branch roadway, and the supporting structures are difficult to disassemble and store.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a light hydraulic support.

In order to achieve the purpose, the utility model adopts the following technical scheme: light-duty hydraulic support, including two hydraulic telescoping rod, two hydraulic telescoping rod's top is equipped with the connecting rod, hydraulic telescoping rod passes through a coupling mechanism fixed connection with the connecting rod, the top fixedly connected with sleeve of connecting rod, telescopic middle part is run through and is equipped with first through-hole, be equipped with a plurality of recesses along the equidistance of circumferencial direction on the terminal surface around the telescopic, sliding connection has the traveller in the recess, the other end of traveller stretches out the outside of recess and inlays and be equipped with the ball, telescopic top is equipped with the backup pad, the bottom surface both ends of backup pad are fixed respectively and are equipped with two connecting plates, and two the inner wall of connecting plate contacts with the ball on the terminal surface around the sleeve respectively, two be equipped with the second through-hole on the connecting plate respectively, the connecting plate passes through the second coupling mechanism rotation with the sleeve and is connected.

Furthermore, a base is fixedly arranged at the bottom of the hydraulic telescopic rod and supported on the bottom surface.

Furthermore, the connecting rod is provided with a third through hole near the bottom, the connecting rod is connected with the first rotating shaft through the third through hole, the third through hole is convenient for workers to operate, the workers are prevented from being installed by means of ladders and the like, and safety is improved.

Furthermore, the top of the flexible end of hydraulic telescoping rod is equipped with the blind hole, just blind hole and connecting rod phase-match, the both sides of blind hole are equipped with the fourth through-hole, just the fourth through-hole runs through to the surface of flexible end, through blind hole and connecting rod cooperation, through fourth through-hole and first pivot connection.

Furthermore, the first connecting mechanism comprises a first rotating shaft, the first rotating shaft sequentially extends into the fourth through hole on the right side, the third through hole and the fourth through hole on the left side, a first external thread is arranged at one end of the outer surface of the first rotating shaft, a first check nut is in threaded connection with the first external thread, the first check nut is tightly pressed on the outer surface of the telescopic end of the hydraulic telescopic rod, and the hydraulic telescopic rod and the connecting rod are fixed together through the first connecting mechanism.

Further, be equipped with the spring in the recess, the both ends of spring respectively with the inner wall of recess and the one end fixed connection of traveller, through the setting of spring, the traveller can stretch out and draw back in the recess, makes the sleeve can easily stretch into between two connecting plates, and prevents that the sleeve from removing by a wide margin between the connecting plate, causes whole supporting mechanism unstable.

Further, second coupling mechanism includes the second pivot, the second pivot passes second through-hole on the connecting plate of the place ahead in proper order, first through-hole and the second through-hole on the rear connecting plate, the second pivot is close to terminal surface and is equipped with the second external screw thread, threaded connection has second locknut on the second external screw thread, just second locknut's front compresses tightly the rear surface at the rear connecting plate, rotates sleeve and two connecting plates through second coupling mechanism and connects.

The utility model has the beneficial effects that:

when the hydraulic telescopic rod is used, the supporting plate, the sleeve connecting rod and the hydraulic telescopic rod can be detached and respectively stored, the space is saved, the hydraulic telescopic rod can be conveniently moved in a branch roadway, the supporting plate, the sleeve connecting rod and the hydraulic telescopic rod are conveniently installed on site through the arrangement of the first connecting mechanism and the second connecting mechanism, and the working efficiency is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of A of FIG. 1 in accordance with the present invention;

FIG. 3 is a partial cross-sectional view of B-B of FIG. 1 in accordance with the present invention;

FIG. 4 is an enlarged view of the utility model at C in FIG. 3

Fig. 5 is an exploded view of the joint of the connecting rod and the hydraulic telescopic rod of the present invention.

Illustration of the drawings:

1. a hydraulic telescopic rod; 2. a second rotating shaft; 3. a connecting rod; 4. a support plate; 5. a base; 6. a connecting plate; 7. a third through hole; 8. a fourth via hole; 9. blind holes; 10. a first rotating shaft; 11. a first external thread; 12. a first locknut; 13. a sleeve; 14. a first through hole; 15. a second through hole; 16. a second external thread; 17. a second locknut; 18. a spring; 19. a groove; 20. a traveler; 21. and a ball.

Detailed Description

As shown in fig. 1 to 5, which relates to a light hydraulic support, comprising a light hydraulic support, which comprises two hydraulic telescopic rods 1, a connecting rod 3 is arranged on the top of each hydraulic telescopic rod 1, the hydraulic telescopic rods 1 are fixedly connected with the connecting rod 3 through a first connecting mechanism, a sleeve 13 is fixedly connected on the top of the connecting rod 3, a first through hole 14 is arranged in the middle of the sleeve 13, a plurality of grooves 19 are arranged on the front and rear end surfaces of the sleeve 13 at equal intervals along the circumferential direction, sliding columns 20 are connected in the grooves 19 in a sliding manner, balls 21 are embedded outside the grooves 19 at the other ends of the sliding columns 20, a support plate 4 is arranged above the sleeve 13, two connecting plates 6 are respectively and fixedly arranged at the two ends of the bottom surface of the support plate 4, and the inner walls of the two connecting plates 6 are respectively contacted with the balls 21 on the front end surface and the rear end surface of the sleeve 13, the two connecting plates 6 are respectively provided with a second through hole 15, and the connecting plates 6 are rotatably connected with the sleeve 13 through a second connecting mechanism.

As shown in fig. 1, fig. 2 and fig. 5, the fixed base 5 that is equipped with in bottom of hydraulic telescoping rod 1, connecting rod 3 is close to bottom department and is equipped with third through-hole 7, the top of the flexible end of hydraulic telescoping rod 1 is equipped with blind hole 9, and blind hole 9 and connecting rod 3 phase-match, the both sides of blind hole 9 are equipped with fourth through-hole 8, and fourth through-hole 8 runs through to the surface of flexible end, first connecting mechanism includes first pivot 10, first pivot 10 stretches into fourth through-hole 8 on right side in proper order, third through-hole 7 and left fourth through-hole 8, the surface one end of first pivot 10 is equipped with first external screw thread 11, threaded connection has first lock nut 12 on first external screw thread 11, and first lock nut 12 compresses tightly the surface at the flexible end of hydraulic telescoping rod 1.

As shown in fig. 3 and 4, a spring 18 is arranged in the groove 19, two ends of the spring 18 are respectively fixedly connected with the inner wall of the groove 19 and one end of the sliding column 20, the second connecting mechanism includes a second rotating shaft 2, the second rotating shaft 2 sequentially penetrates through a second through hole 15 on the front connecting plate 6, a first through hole 14 and a second through hole 15 on the rear connecting plate 6, a second external thread 16 is arranged on the outer surface of the second rotating shaft 2 close to the tail end, a second locknut 17 is connected to the second external thread 16 in a threaded manner, and the front surface of the second locknut 17 is tightly pressed on the rear surface of the rear connecting plate 6.

When the light hydraulic support is used, firstly, the sleeve 13 is stretched between the two connecting plates 6, the balls 21 on the two end faces of the sleeve 13 are abutted against the inner walls of the two connecting plates 6 under the action of the spring 18, the second rotating shaft 2 sequentially passes through the second through hole 15 in front, the first through hole 14 and the second through hole 15 in back, is locked by the second locknut 17, the support plate 4, the sleeve 13 and the connecting rod 3 on the sleeve are placed on the excavating integrated machine, the top of the support plate 4 is abutted against the top of the inner wall of the branch roadway through the excavating integrated machine, the connecting rod 3 is in a vertical state under the action of gravity, the hydraulic telescopic rod 1 is moved to the lower part of the connecting rod 3, the hydraulic telescopic rod 1 is started to enable the telescopic end to move upwards until the connecting rod 3 is stretched into the blind hole 9, the first rotating shaft 10 sequentially passes through the fourth through hole 8 on the right side, the third through hole 7 and the fourth through hole 8 on the left side, and is finally locked by the first locknut 12, the hydraulic telescopic rod 1 is continuously started to provide a certain supporting force for the supporting plate 4.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a light-duty hydraulic support, includes two hydraulic telescoping rod (1), its characterized in that: the top of two hydraulic telescoping rods (1) is provided with a connecting rod (3), the hydraulic telescoping rods (1) are fixedly connected with the connecting rod (3) through a first connecting mechanism, the top of the connecting rod (3) is fixedly connected with a sleeve (13), the middle of the sleeve (13) is provided with a first through hole (14) in a penetrating manner, a plurality of grooves (19) are formed in the front end face and the rear end face of the sleeve (13) at equal intervals along the circumferential direction, sliding columns (20) are connected in the grooves (19) in a sliding manner, the other ends of the sliding columns (20) extend out of the grooves (19) and are embedded with balls (21), a supporting plate (4) is arranged above the sleeve (13), two connecting plates (6) are fixedly arranged at two ends of the bottom surface of the supporting plate (4) respectively, and the inner walls of the two connecting plates (6) are respectively contacted with the balls (21) on the front end face and the rear end face of the sleeve (13), and second through holes (15) are respectively formed in the two connecting plates (6), and the connecting plates (6) are rotatably connected with the sleeve (13) through second connecting mechanisms.

2. The lightweight hydraulic mount of claim 1, wherein: the bottom of the hydraulic telescopic rod (1) is fixedly provided with a base (5).

3. The lightweight hydraulic mount of claim 1, wherein: and a third through hole (7) is formed in the position, close to the bottom, of the connecting rod (3).

4. The lightweight hydraulic mount of claim 1, wherein: the top of the flexible end of hydraulic telescoping rod (1) is equipped with blind hole (9), just blind hole (9) and connecting rod (3) phase-match, the both sides of blind hole (9) are equipped with fourth through-hole (8), just fourth through-hole (8) run through to the surface of flexible end.

5. The lightweight hydraulic mount of claim 1, wherein: the first connecting mechanism comprises a first rotating shaft (10), the first rotating shaft (10) sequentially extends into a fourth through hole (8) on the right side, a third through hole (7) and a fourth through hole (8) on the left side, a first external thread (11) is arranged at one end of the outer surface of the first rotating shaft (10), a first check nut (12) is connected to the first external thread (11) in a threaded mode, and the first check nut (12) is tightly pressed on the outer surface of the telescopic end of the hydraulic telescopic rod (1).

6. The lightweight hydraulic mount of claim 1, wherein: a spring (18) is arranged in the groove (19), and two ends of the spring (18) are fixedly connected with the inner wall of the groove (19) and one end of the sliding column (20) respectively.

7. The lightweight hydraulic mount of claim 1, wherein: second coupling mechanism includes second pivot (2), second pivot (2) pass second through-hole (15) on second through-hole (15), first through-hole (14) and rear connecting plate (6) in the place ahead connecting plate (6) in proper order, second pivot (2) are close to terminal surface and are equipped with second external screw thread (16), threaded connection has second locknut (17) on second external screw thread (16), just the front of second locknut (17) compresses tightly the rear surface at rear connecting plate (6).