CN111810210B

CN111810210B - Hydraulic support

Info

Publication number: CN111810210B
Application number: CN202010635635.4A
Authority: CN
Inventors: 张帅; 李珊
Original assignee: Jining Qinchuang Machinery Co ltd
Current assignee: Jining Qinchuang Machinery Co ltd
Priority date: 2020-07-04
Filing date: 2020-07-04
Publication date: 2022-04-26
Anticipated expiration: 2040-07-04
Also published as: CN111810210A

Abstract

The invention belongs to the technical field of supports, and particularly relates to a hydraulic support which comprises a base, a supporting and moving structure, a rotary spraying dust-settling device, a lifting support structure and an adjusting support structure, wherein the adjusting support structure is connected to the lifting support structure and comprises a second pin shaft, a swing rod, a support plate, a front beam frame, a third hydraulic cylinder, an extension plate, a fourth hydraulic cylinder, a cushion block and a second telescopic sleeve, the front beam frame is installed at the top end of the lifting support structure, the rear side face of the top end of the front beam frame is connected with the support plate, and the support plate is rotatably connected with the swing rod through the second pin shaft. The hydraulic support provided by the invention has the advantages that the support structure is adjusted, the two symmetrically arranged third hydraulic cylinders are opened, and the extension plate can be driven to extend and move in the front beam frame, so that the integral width of the extension plate and the front beam frame can be increased, the contact area with the top in a mine hole is increased, the area of a support area can be increased, and the protection effect is increased.

Description

Hydraulic support

Technical Field

The invention belongs to the technical field of supports, and particularly relates to a hydraulic support.

Background

The hydraulic support is a structure used for controlling the mine pressure of the coal face. The mining face mine pressure acts on the hydraulic support in the form of external load. In the mechanical system of the interaction of the hydraulic support and the mining face surrounding rock, if the resultant force of all the supporting pieces of the hydraulic support and the resultant force of the external load of the top plate acting on the hydraulic support are exactly in the same straight line, the hydraulic support is very suitable for the mining face surrounding rock.

In the face of the top area in a large-range mine, the traditional hydraulic support is fixed in the area of the front beam end supporting area, the area of the supporting area is fixed and small, the application range is low, the possibility of falling broken stones is caused, dangerousness exists, and a large amount of dust is generated in the supporting process of the supporting area, so that a new hydraulic support is needed to be provided to solve the technical problems.

Disclosure of Invention

In order to solve the technical problem, the invention provides a hydraulic support.

The invention provides a hydraulic support which comprises a base, a supporting and moving structure, a rotary spraying dust-settling structure, a lifting support structure and an adjusting support structure, wherein the adjusting support structure is abutted against the rotary spraying dust-settling structure and is connected with the base; the rotary spraying dust-settling structure is connected to the base; the lifting support structure is connected to the base; adjust bearing structure and connect in lift bearing structure, adjust bearing structure and include the second round pin axle, the swinging arms, a supporting plate, the front-sill frame, the third pneumatic cylinder, the extension board, the fourth pneumatic cylinder, cushion and the telescopic sleeve pipe of second, the front-sill frame is installed on lift bearing structure top, front-sill frame top trailing flank is connected with the backup pad, the backup pad rotates through the second round pin axle and connects the swinging arms, the third pneumatic cylinder is installed on lift bearing structure and the output passes through the second round pin axle and is connected with the lateral wall rotation of swinging arms, the extension board that two symmetries set up of inside sliding connection of front-sill frame, the fourth pneumatic cylinder that two symmetries set up is installed to front-sill frame rear end face, the extension board stretches out the three cushion of rear end face connection of front-sill frame, the fourth pneumatic cylinder output is connected with the intermediate position, two are the cushion passes through the telescopic sleeve pipe connection of second with the water flat line.

Specifically, the supporting and moving structure comprises a lifting strip plate, a first hydraulic cylinder, a first telescopic sleeve and universal wheels, the bottom of the base is provided with a groove, the first hydraulic cylinders are symmetrically arranged at the top of the base, the output end of the first hydraulic cylinder penetrates through the base and is connected with the lifting strip plate, the top side of the top of the lifting strip plate is connected with the top of the groove through the first telescopic sleeves of a plurality of, and the bottom of the groove is provided with the universal wheels.

Specifically, the rotary spraying dust-settling structure comprises a water tank, a water pump, a water through pipe, a motor, a first gear, a water outlet pipe, a second gear, a bearing block, a spray head and a T-shaped rotary pipe, wherein the top of the rear end of the base is connected with the water tank, the water pump is installed on one side surface of the water tank, the inlet of the water pump is communicated with the bottom of one side surface of the water tank through the water through pipe, the outlet of the water pump is communicated with the water outlet pipe, the other end of the water outlet pipe extends to the lifting support structure and is rotatably connected with the T-shaped rotary pipe, the spray head is connected with the other two ends of the T-shaped rotary pipe through threads, the motor is installed on the lifting support structure, the output end of the motor is connected with the first gear, the outer side wall of the top end of the T-shaped rotary pipe is provided with the second gear meshed with the first gear, the other end of the water outlet pipe penetrates through the bearing block and is fixedly installed with the bearing block, and the bottom of the bearing block is provided with a ring groove rotatably connected with the T-shaped rotary pipe; reset spring is installed to one side of the rotatory pipe of T shape, just the rubber buffer is installed to the tip of the rotatory pipe of T shape, just be equipped with the inlet opening on the rubber buffer.

The lifting support structure comprises a second hydraulic cylinder, a U-shaped top beam, clamping plates, a first pin shaft, a shield beam and a connecting rod, the U-shaped top beam is located above the base, the clamping plates symmetrically arranged are connected to the top of the front end of the base, the connecting rod is connected to the top ends of the two clamping plates in a rotating mode through the first pin shaft, the connecting rod is connected to the shield beam in a rotating mode through the first pin shaft, the other end of the shield beam is connected to the tail end of the U-shaped top beam in a rotating mode through the first pin shaft, the bottom ends of the two clamping plates are connected to the bottom end of the second hydraulic cylinder in a rotating mode through the first pin shaft, the output end of the second hydraulic cylinder is connected to the inner portion of the U-shaped top beam in a rotating mode through the first pin shaft, the motor is installed in the U-shaped top beam, the top end of the U-shaped top beam is connected to the tail end of the third hydraulic cylinder in a rotating mode through the second pin shaft.

Specifically, a transparent plate with good sealing performance is installed on the front end face of the water tank.

Specifically, the height of the universal wheel is greater than the depth of the groove.

Compared with the related art, the hydraulic support provided by the invention has the following beneficial effects:

(1) the invention provides a hydraulic support, which can drive an extension plate to extend and move in a front beam frame by opening two symmetrically arranged third hydraulic cylinders through adjusting a support structure, so that the overall width of the extension plate and the front beam frame can be increased, the contact area with the top in a mine hole is increased, the area of a support area can be increased, and the protection effect is increased.

(2) The invention provides a hydraulic support, which is used for reducing dust generated at the top of a coal mine in a supporting process through the cooperation effect between a rotary spraying dust-reducing structure and an adjusting and supporting structure, is beneficial to protecting the rotary spraying dust-reducing structure when the adjusting and supporting structure is used in the coal mine, and can make water resources in a water outlet pipe flow into a rotary T-shaped rotary pipe, so that nozzles at the other two ends complete circumferential rotary spraying, the area of a surrounding area is increased, the possibility of contact with surrounding dust is increased, and the dust-reducing efficiency is improved.

Drawings

FIG. 1 is a schematic structural view of a preferred embodiment of a hydraulic mount according to the present invention;

FIG. 2 is a side view of the front frame of FIG. 1;

FIG. 3 is an enlarged view of a portion A of FIG. 1;

fig. 4 is a schematic view of the internal structure of the T-shaped rotary pipe shown in fig. 1.

Reference numbers in the figures: 1. a base; 2. supporting the mobile structure; 3. a rotary spraying dust-settling structure; 4. a lifting support structure; 5. adjusting the support structure; 21. a groove; 22. lifting long lathes; 23. a first hydraulic cylinder; 24. a first telescoping cannula; 25. a universal wheel; 31. a water tank; 32. a water pump; 33. a water pipe; 34. a motor; 35. a first gear; 36. a water outlet pipe; 37. a second gear; 38. a bearing block; 39. a spray head; 3a, a T-shaped rotating pipe; 3b, a return spring; 3c, a water inlet hole; 3d, rubber plugs; 41. a second hydraulic cylinder; 42. a U-shaped top beam; 43. a splint; 44. a first pin shaft; 45. covering the beam; 46. a connecting rod; 51. a second pin shaft; 52. a swing lever; 53. a support plate; 54. a front frame; 55. a third hydraulic cylinder; 56. an extension plate; 57. a fourth hydraulic cylinder; 58. cushion blocks; 59. a second telescoping cannula.

Detailed Description

The invention is further described with reference to the following figures and embodiments.

Referring to fig. 1-4, a hydraulic support includes a base 1, a supporting and moving structure 2, a rotary spraying dust-settling structure 3, a lifting support structure 4, and an adjusting support structure 5; the adjusting and supporting mechanism 5 is connected with the rotary spraying dust-settling structure 3, the adjusting and supporting structure 5 is connected with the lifting and supporting structure 4, the adjusting and supporting structure 5 comprises a second pin shaft 51, a swinging rod 52, a supporting plate 53, a front beam frame 54, a third hydraulic cylinder 55, an extension plate 56, a fourth hydraulic cylinder 57, a cushion block 58 and a second telescopic sleeve 59, the front beam frame 54 is installed at the top end of the lifting and supporting structure 4, the supporting plate 53 is connected to the rear side surface of the top end of the front beam frame 54, the supporting plate 53 is rotatably connected with the swinging rod 52 through the second pin shaft 51, the third hydraulic cylinder 55 is installed on the lifting and supporting structure 4, the output end of the third hydraulic cylinder is rotatably connected with the side wall of the swinging rod 52 through the second pin shaft 51, the two symmetrically-arranged extension plates 56 are slidably connected inside the front beam frame 54, the two symmetrically-arranged fourth hydraulic cylinders 57 are installed on the rear end surface of the front beam frame 54, the extension plate 56 extends out of the rear end surface of the front beam frame 54 and is connected with the three cushion blocks 58, the output end of the fourth hydraulic cylinder 57 is connected with the middle position cushion block 58, and the two horizontal line cushion blocks 58 are connected through the second telescopic sleeve 59, it should be noted that the extension plate 56 can be driven to extend and move inside the front beam frame 54 by opening the two symmetrically arranged third hydraulic cylinders 55, so that the overall width of the extension plate 56 and the front beam frame 54 can be increased, the area of contact with the top in the mine hole is increased, the area of a support area can be increased, and the protection effect is increased.

Referring to fig. 1, the supporting and moving structure 2 is connected to the base 1, the supporting and moving structure 2 includes a lifting strip 22, a first hydraulic cylinder 23, a first telescopic sleeve 24 and a universal wheel 25, a groove 21 is formed at the bottom of the base 1, two first hydraulic cylinders 23 symmetrically arranged are installed at the top of the base 1, an output end of the first hydraulic cylinder 23 penetrates through the base 1 and is connected with the lifting strip 22, a top side surface of the lifting strip 22 is connected with a top portion in the groove 21 through a plurality of first telescopic sleeves 24, a plurality of universal wheels 25 are installed at a bottom portion in the groove 21, it should be noted that, when the lifting strip 22 moves upwards, the two first hydraulic cylinders 23 are opened to drive the lifting strip 22 to move upwards or downwards, when the lifting strip 22 moves upwards, the universal wheels 25 move into the groove 21, and can directly contact with the ground, the whole device can be moved, when the lifting strip 22 moves downwards, the first telescopic sleeve 24 can not allow the lifting strip plate 22 to move vertically upwards or downwards, and does not produce deviation in other directions, thereby ensuring the stability of vertical motion.

Referring to fig. 1, 3 and 4, the rotary spraying dust-settling structure 3 is connected to the base 1, the rotary spraying dust-settling structure 3 includes a water tank 31, a water pump 32, a water pipe 33, a motor 34, a first gear 35, a water outlet pipe 36, a second gear 37, a bearing block 38, a nozzle 39 and a T-shaped rotary pipe 3a, the water tank 31 is connected to the top of the rear end of the base 1, the water pump 32 is installed on one side of the water tank 31, an inlet of the water pump 32 is communicated with the bottom of one side of the water tank 31 through the water pipe 33, an outlet of the water pump 32 is communicated with the water outlet pipe 36, the other end of the water outlet pipe 36 extends to the lifting support structure 4 and is rotatably connected to the T-shaped rotary pipe 3a, the other two ends of the T-shaped rotary pipe 3a are connected to the nozzle 39 by screw threads, the motor 34 is installed on the lifting support structure 4, an output end of the motor 34 is connected to the first gear 35, the second gear 37 meshed with the first gear 35 is installed on the outer side wall of the top of the T-shaped rotary pipe 3a, the other end of the water outlet pipe 36 penetrates through the bearing block 38 and is fixedly installed with the bearing block 38, an annular groove which is rotatably connected with the T-shaped rotary pipe 3a is formed in the bottom of the bearing block 38, a return spring 3b is installed on one side of the T-shaped rotary pipe 3a, a rubber plug 3d is installed at the end of the T-shaped rotary pipe 3a, and a water inlet hole 3c is formed in the rubber plug 3 d; it should be noted that, by turning on the water pump 32 and the motor 34, the water pump 32 can introduce the internal water resource of the water tank 31 into the water outlet pipe 36, and the internal water resource of the water tank 36 can flow into the rotating T-shaped rotating pipe 3a by the meshing action of the first gear 35 and the second gear 37, so as to drive the T-shaped rotating pipe 3a to rotate, and the internal water resource of the water outlet pipe 36 can flow into the rotating T-shaped rotating pipe 3a, so that the nozzles 39 at the other two ends complete the circular rotation spraying, so that the area of the surrounding area is increased, the possibility of contact with the surrounding dust is increased, and the dust settling efficiency is improved.

Referring to fig. 1, the lifting support structure 4 includes a second hydraulic cylinder 41, a U-shaped top beam 42, two clamping plates 43, a first pin 44, a shield beam 45 and a connecting rod 46, the U-shaped top beam 42 is located above the base 1, the top of the front end of the base 1 is connected to the two clamping plates 43 which are symmetrically arranged, the top ends of the two clamping plates 43 are rotatably connected to the connecting rod 46 through the first pin 44, the connecting rod 46 is rotatably connected to the shield beam 45 through the first pin 44, the other end of the shield beam 45 is rotatably connected to the tail end of the U-shaped top beam 42 through the first pin 44, the bottom ends of the two clamping plates 43 are rotatably connected to the bottom end of the second hydraulic cylinder 41 through the first pin 44, the output end of the second hydraulic cylinder 41 is rotatably connected to the inside of the U-shaped top beam 42 through the first pin 44, the motor 34 is installed on which surface is embedded in the U-shaped top beam 42, the top end of the U-shaped top beam 42 is rotatably connected to the other end of the swing rod 52 through the second pin 51, the inside of the top end of the U-shaped top beam 42 is rotatably connected with the tail end of the third hydraulic cylinder 55 through the second pin 51, and it should be noted that the second hydraulic cylinder 41 is opened to drive the U-shaped quantitative beam 42 to ascend or descend, thereby completing the height adjustment.

Referring to fig. 1, a transparent plate with good sealing performance is installed on the front end face of the water tank 31, so that the internal water resource of the water tank 31 can be displayed, and the water can be added in time.

Referring to fig. 1, the height of the universal wheel 25 is greater than the depth of the groove 21, so as to ensure that the universal wheel 25 can protrude out of the groove 21 and contact with the ground, it should be added that a first hydraulic system, a second hydraulic system, a third hydraulic system and a fourth hydraulic system are installed on the base 1, the first hydraulic system, the second hydraulic system, the third hydraulic system and the fourth hydraulic system are respectively installed on the base 1, the first hydraulic system 23, the second hydraulic system 41, the third hydraulic system 55 and the fourth hydraulic system are respectively controlled by the first hydraulic system, the second hydraulic system, the third hydraulic system and the fourth hydraulic system, and the motor 34 is a waterproof motor by default.

The working principle is as follows: two first hydraulic cylinders 23 are opened to drive the lifting strip plate 22 to move upwards or downwards, when the lifting strip plate 22 moves upwards and moves to the inside of the groove 21, the universal wheel 25 can be in direct contact with the ground, the whole device can be moved, when the lifting strip plate 22 moves downwards and moves to be in contact with the ground, the universal wheel 25 is separated from the ground surface, so that the stable support and the convenient transportation movement are realized, the first telescopic sleeve 24 can not allow the lifting strip plate 22 to move vertically upwards or downwards, other direction deviation is not generated, the vertical movement stability is ensured, by opening the water pump 32 and the motor 34, the water pump 32 can guide the internal water resource of the water tank 31 into the water outlet pipe 36, the T-shaped rotary pipe 3a is driven to rotate through the meshing action of the first gear 35 and the second gear 37, the internal water resource of the water outlet pipe 36 can be allowed to flow into the rotating T-shaped rotary pipe 3a, so that the other two end nozzles 39 perform a circular rotary spraying, so that the area of the surrounding area is increased and the possibility of contact with surrounding dust is increased.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A hydraulic support is characterized by comprising a base (1), a supporting and moving structure (2), a rotary spraying dust-settling structure (3), a lifting support structure (4) and an adjusting support structure (5); the adjusting support structure (5) is abutted against the rotary spraying dust-falling structure (3); the supporting and moving structure (2) is connected with the base (1); the rotary spraying dust-settling structure (3) is connected to the base (1); the lifting support structure (4) is connected to the base (1); the adjusting and supporting structure (5) is connected to the lifting and supporting structure (4), the adjusting and supporting structure (5) comprises a second pin shaft (51), a swing rod (52), a supporting plate (53), a front beam frame (54), a third hydraulic cylinder (55), an extension plate (56), a fourth hydraulic cylinder (57), a cushion block (58) and a second telescopic sleeve (59), the front beam frame (54) is installed at the top end of the lifting and supporting structure (4), the rear side surface of the top end of the front beam frame (54) is connected with the supporting plate (53), the supporting plate (53) is rotatably connected with the swing rod (52) through the second pin shaft (51), the third hydraulic cylinder (55) is installed on the lifting and supporting structure (4), the output end of the third hydraulic cylinder is rotatably connected with the side wall of the swing rod (52) through the second pin shaft (51), the front beam frame (54) is internally connected with the two symmetrically arranged extension plates (56) in a sliding manner, and the rear end surface of the front beam frame (54) is provided with the two symmetrically arranged fourth hydraulic cylinders (57), the rear end face of the extension plate (56) extending out of the front beam frame (54) is connected with three cushion blocks (58), the output end of a fourth hydraulic cylinder (57) is connected with a middle position cushion block (58), and the two cushion blocks (58) which are the same as the horizontal line are connected through a second telescopic sleeve (59);

the supporting and moving structure (2) comprises a lifting long strip plate (22), first hydraulic cylinders (23), first telescopic sleeves (24) and universal wheels (25), a groove (21) is formed in the bottom of the base (1), the two first hydraulic cylinders (23) which are symmetrically arranged are installed at the top of the base (1), the output ends of the first hydraulic cylinders (23) penetrate through the base (1) and are connected with the lifting long strip plate (22), the side surface of the top of the lifting long strip plate (22) is connected with the inner top of the groove (21) through the plurality of first telescopic sleeves (24), and the plurality of universal wheels (25) are installed at the inner bottom of the groove (21);

the rotary spraying dust-settling structure (3) comprises a water tank (31), a water pump (32), a water pipe (33), a motor (34), a first gear (35), a water outlet pipe (36), a second gear (37), a bearing block (38), a spray head (39) and a T-shaped rotating pipe (3a), the water tank (31) is connected to the top of the rear end of the base (1), the water pump (32) is installed on one side surface of the water tank (31), the inlet of the water pump (32) is communicated with the bottom of one side surface of the water tank (31) through the water pipe (33), the outlet of the water pump (32) is communicated with the water outlet pipe (36), the other end of the water outlet pipe (36) extends onto the lifting support structure (4) and is rotatably connected with the T-shaped rotating pipe (3a), the other two ends of the T-shaped rotating pipe (3a) are in threaded connection with the spray head (39), the motor (34) is installed on the lifting support structure (4), the output end of the motor (34) is connected with the first gear (35), a second gear (37) meshed with the first gear (35) is installed on the outer side wall of the top end of the T-shaped rotating pipe (3a), the other end of the water outlet pipe (36) penetrates through the bearing block (38) and is fixedly installed with the bearing block (38), and an annular groove rotationally connected with the T-shaped rotating pipe (3a) is formed in the bottom of the bearing block (38); reset spring (3b) are installed to one side of T shape rotating tube (3a), just rubber buffer (3d) are installed to the tip of T shape rotating tube (3a), just be equipped with inlet opening (3c) on rubber buffer (3 d).

2. The hydraulic support according to claim 1, wherein the lifting support structure (4) comprises a second hydraulic cylinder (41), a U-shaped top beam (42), clamping plates (43), a first pin shaft (44), a shield beam (45) and a connecting rod (46), the U-shaped top beam (42) is positioned above the base (1), the top of the front end of the base (1) is connected with the two symmetrically arranged clamping plates (43), the top ends of the two clamping plates (43) are rotatably connected with the connecting rod (46) through the first pin shaft (44), the connecting rod (46) is rotatably connected with the shield beam (45) through the first pin shaft (44), the other end of the shield beam (45) is rotatably connected with the tail end of the U-shaped top beam (42) through the first pin shaft (44), the bottom ends of the two clamping plates (43) are rotatably connected with the bottom end of the second hydraulic cylinder (41) through the first pin shaft (44), the output end of the second hydraulic cylinder (41) is rotatably connected with the inside of the U-shaped top beam (42) through the first pin shaft (44), the motor (34) is installed on the embedded surface of the U-shaped top beam (42), the top end of the U-shaped top beam (42) is rotatably connected with the other end of the swinging rod (52) through a second pin shaft (51), and the inside of the top end of the U-shaped top beam (42) is rotatably connected with the tail end of a third hydraulic cylinder (55) through the second pin shaft (51).

3. A hydraulic support according to claim 1, characterized in that a transparent plate with good sealing is mounted on the front end face of the water tank (31).

4. A hydraulic mount according to claim 1, wherein the height of the castor wheel (25) is greater than the depth of the recess (21).