Adjusting device for high-precision hydraulic support

Abstract

The invention provides an adjusting device for a high-precision hydraulic support, and belongs to the technical field of hydraulic supports, the adjusting device comprises a base, a top beam is mounted at the upper end of the base through a hydraulic stand column, a mounting seat is arranged on the lower surface of the top beam, and a rotating mechanism and a lifting mechanism are arranged on the mounting seat; positioning blocks are arranged on the front side and the rear side of the lower surface of the mounting base, movable grooves are formed in the right side walls of the two positioning blocks, third rotating rods are arranged in the movable grooves, rotating plates are arranged on the circumferential surfaces of the two third rotating rods, and the lifting mechanism is arranged between the two rotating plates. Extension top plates are arranged on the upper surfaces of the two rotating plates; by arranging the extension top plate, the supporting area of the top beam can be increased, the use flexibility of the hydraulic support is improved, the extension top plate can be stored to the two sides of the lower portion of the top beam when not used, extra space is not occupied, the supporting area of the hydraulic support can be conveniently adjusted by workers in the use process, and practicability is higher.

Description

Technical Field

[0001] The invention belongs to the technical field of hydraulic supports, and in particular relates to an adjusting device for a high-precision hydraulic support. Background Art

[0002] Hydraulic supports are devices that support and protect the working face roof during coal mining. They are mainly used to provide a mine tunnel for coal mining machines and coal mine conveyors underground to prevent the gangue above the tunnel from affecting the coal mining of the coal mining machine, and provide protection for underground coal mining machines.

[0003] In the existing technology, the size of the top beam of the hydraulic support is generally fixed. When the hydraulic support needs to increase the support area during the support process, sometimes two sets of hydraulic supports cannot be lowered due to the small area, resulting in the hydraulic support being unable to cover the support area, making it impossible to effectively support and protect the top of the tunnel, resulting in a decrease in the support effect, increasing the danger during the work process, poor practicality, and insufficient flexibility in use.

[0004] Therefore, we propose an adjustment device for a high-precision hydraulic support to solve the above problems. Summary of the Invention

[0005] The purpose of the present invention is to solve the problem that the size of the top beam of the hydraulic support is generally fixed. When the hydraulic support needs to increase the supporting area during the support process, sometimes two sets of hydraulic supports cannot be placed down due to the small area, resulting in the hydraulic support being unable to cover the supporting area, causing the support effect to decline, increasing the danger in the working process, poor practicality, and insufficient flexibility in use. A high-precision hydraulic support adjustment device is proposed.

[0006] The objectives of the present invention can be achieved through the following technical solutions: it includes a base, the upper end of the base is equipped with a top beam through a hydraulic column, the lower surface of the top beam is provided with a mounting seat, the mounting seat is provided with a rotating mechanism and a lifting mechanism, the front and rear sides of the lower surface of the mounting seat are provided with positioning blocks, the right side walls of the two positioning blocks are provided with movable grooves, and the interior of the movable groove is provided with a rotating rod three, the circumferential surfaces of the two rotating rods three are provided with rotating plates, the lifting mechanism is provided between the two rotating plates, and the upper surfaces of the two rotating plates are provided with extended top plates, and the two extended top plates are respectively located below the front and rear sides of the top beam.

[0007] As a preferred embodiment of the present invention, the rotating mechanism includes a motor 1, and the motor 1 is arranged in the middle of the upper surface of the mounting seat, the power output end of the motor 1 is transmission-connected with a rotating shaft, the circumferential surface of the rotating shaft is provided with a transmission sprocket, and there are two transmission sprockets, the two transmission sprockets are respectively transmission-connected with a driven sprocket 1 and a driven sprocket 2 through chains, a rotating rod 1 is provided in the middle of the driven sprocket 2, the circumferential surface of the left end of the rotating rod 1 is provided with a driven gear 1, the rear side of the driven gear 1 is meshed with the driven gear 2, and a rotating rod 2 is provided in the middle of the driven sprocket 1 and the middle of the driven gear 2.

[0008] As a preferred embodiment of the present invention, the left ends of the two rotating rods 2 are each provided with a slot, and the right ends of the two rotating rods 3 are each provided with an insert matching the slot, and the slot and the insert are both designed in an "I" shape.

[0009] As a preferred embodiment of the present invention, fixed blocks are provided at the front and rear ends of the lower surface of the top beam, the right end of the rotating rod 2 at the rear end is rotatably installed inside the fixed block at the rear end, and the right end of the rotating rod 2 at the front end and the right end of the rotating rod 1 at the front end are both rotatably installed inside the fixed block at the front end.

[0010] As a preferred embodiment of the present invention, the lifting mechanism includes motor 2, and motor 2 is arranged on the upper surface of the mounting seat, the power output end of motor 2 is transmission-connected with a threaded rod, the circumferential surface of the threaded rod is threadedly connected with a lifting plate, and telescopic cylinder 1 is provided on the front and rear sides of the upper surface of the lifting plate, and the telescopic ends of the two telescopic cylinders 1 are provided with plug-in plates, and the ends of the two plug-in plates away from motor 2 are respectively plugged into the inside of the two rotating plates.

[0011] As a preferred embodiment of the present invention, a positioning rod is provided on the rear side of the motor 2, the lower end of the positioning rod is provided on the mounting seat, the upper end of the positioning rod is provided on the lower surface of the top beam, and the lifting plate is slidably installed on the circumferential surface of the positioning rod.

[0012] As a preferred embodiment of the present invention, a limit block is provided on the side of the two plug-in plates away from the motor 2, and a limit groove matching the limit block is opened inside the two rotating rods 3 and the rotating plate, and the two limit blocks are respectively inserted into the inside of the two groups of limit grooves.

[0013] As a preferred embodiment of the present invention, the lower surfaces of the two extended top plates are each provided with a telescopic cylinder 2, and there are four telescopic cylinders 2. The telescopic ends of the four telescopic cylinders 2 are each provided with an abutment block, and the outer walls on the front and rear sides of the top beam are each provided with an abutment groove matching the abutment block.

[0014] As a preferred embodiment of the present invention, lifting grooves are provided in the middle of the front and rear sides of the top beam, and the width of the two rotating plates is the same as that of the two lifting grooves and the two rotating plates are located directly below the lifting grooves.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] (1) The extended top plate can increase the support area of ​​the top beam, improve the flexibility of the hydraulic support when in use, and can be stored on both sides under the top beam when not in use, without taking up extra space, making it easier for workers to adjust the support area of ​​the hydraulic support during use, which is more practical;

[0017] (2) The rotating mechanism can stably drive the front and rear extension roof panels to rotate to a horizontal state to facilitate the extension roof support work, and can also drive the extension roof panels to rotate to the bottom of the top beam for storage, which is simple and quick to operate;

[0018] (3) Through the provided lifting mechanism, the extended top plate can be driven to move upward to be flush with the top beam, thereby increasing the support area of ​​the hydraulic support, and then the support strength of the extended top plate is increased by the telescopic cylinder 2 and the abutment block, so that the support effect of the extended top plate is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] To facilitate understanding by those skilled in the art, the present invention is further described below with reference to the accompanying drawings.

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0021] Figure 2 It is a front cutaway perspective view of the present invention;

[0022] Figure 3 It is a left-side cutaway perspective view of the present invention;

[0023] Figure 4 For the present invention Figure 3 A magnified view of the structure at point A;

[0024] Figure 5 It is a schematic diagram of a partial three-dimensional structure of the present invention;

[0025] Figure 6 It is a schematic diagram of the three-dimensional structure of the rotating mechanism of the present invention;

[0026] Figure 7 It is a schematic diagram of the three-dimensional structure of the lifting mechanism of the present invention;

[0027] Figure 8 It is an exploded view of the plug block and the slot of the present invention.

[0028] Figure: 1. Base; 2. Hydraulic column; 3. Top beam; 4. Rotating mechanism; 401. Motor 1; 402. Rotating shaft; 403. Drive sprocket; 404. Chain; 405. Driven sprocket 1; 406. Driven sprocket 2; 407. Rotating rod 1; 408. Driven gear 1; 409. Driven gear 2; 410. Rotating rod 2; 5. Lifting mechanism; 501. Motor 2; 502. Threaded rod ;503, lifting plate; 504, telescopic cylinder one; 505, plug-in plate; 506, positioning rod; 6, mounting seat; 7, positioning block; 8, movable slot; 9, rotating rod three; 10, rotating plate; 11, extension top plate; 12, plug-in block; 13, slot; 14, fixing block; 15, telescopic cylinder two; 16, abutment block; 17, abutment slot; 18, limit block; 19, limit slot; 20, lifting slot. DETAILED DESCRIPTION

[0029] The technical solutions of the present invention will be clearly and completely described below in conjunction with the embodiments. Obviously, the embodiments described are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0030] Example

[0031] See also Figure 1 - Figure 8 As shown, an adjustment device for a high-precision hydraulic support includes a base 1, a top beam 3 is installed on the upper end of the base 1 through a hydraulic column 2, a mounting seat 6 is provided on the lower surface of the top beam 3, a rotating mechanism 4 and a lifting mechanism 5 are provided on the mounting seat 6, and positioning blocks 7 are provided on the front and rear sides of the lower surface of the mounting seat 6. The right side walls of the two positioning blocks 7 are each provided with a movable groove 8, and a rotating rod 3 9 is provided inside the movable groove 8. The setting of the movable groove 8 can position the rotating rod 3 9 without affecting the rotation and vertical movement of the rotating rod 3 9. The circumferential surface of the two rotating rods 3 9 is provided with a rotating plate 10, and the lifting mechanism 5 is provided between the two rotating plates 10. , the upper surfaces of the two rotating plates 10 are each provided with an extended top plate 11, and the two extended top plates 11 are respectively located below the front and rear sides of the top beam 3, so that when the extended top plates 11 are in a parallel state, the extended top plates 11 move vertically without colliding with the top beam 3, so that the extended top plates 11 can move vertically smoothly, and a lifting groove 20 is provided in the middle of the front and rear sides of the top beam 3. The width of the two rotating plates 10 is the same as the width of the two lifting grooves 20, and they are located directly below the lifting grooves 20. The setting of the lifting grooves 20 provides a lifting space for the rotating plate 10, so that the rotating plate 10 can smoothly drive the extended top plate 11 to move vertically;

[0032] The rotating mechanism 4 includes a motor 401, and the motor 401 is arranged in the middle of the upper surface of the mounting seat 6. The power output end of the motor 401 is connected to the rotating shaft 402 through a coupling. The circumferential surface of the rotating shaft 402 is provided with a transmission sprocket 403, and there are two transmission sprockets 403. The two transmission sprockets 403 are respectively connected to the driven sprocket 1 405 and the driven sprocket 2 406 through chains 404. A rotating rod 407 is provided in the middle of the driven sprocket 2 406. The circumferential surface of the left end of the rotating rod 407 is provided with a driven gear 1 408. The rear side of the driven gear 1 408 is meshed with the driven gear 2 409. The middle of the driven sprocket 1 405 and the middle of the driven gear 2 409 are both A second rotating rod 410 is provided, and fixed blocks 14 are provided at both the front and rear ends of the lower surface of the top beam 3. The right end of the rear end rotating rod 410 is rotatably mounted inside the rear end fixed block 14, and the right end of the front end rotating rod 410 and the right end of the first rotating rod 407 are rotatably mounted inside the front end fixed block 14. The setting of the fixed block 14 can limit the second rotating rod 410 and the first rotating rod 407 without affecting the rotation of the second rotating rod 410 and the first rotating rod 407. Through the setting of the driven gear 1 408 and the driven gear 2 409, the rotation directions of the two groups of rotating rods 410 are opposite, and then the two groups of rotating rods 410 can drive the two groups of rotating plates 10 to extend into a parallel state at the same time, or rotate together and be stored under the top beam 3;

[0033] It should be noted that a slot 13 is provided at the left end of the two rotating rods 2 410, and an insert 12 matching the slot 13 is provided at the right end of the two rotating rods 3 9, and the slot 13 and the insert 12 are both designed in an "I" shape. The setting of the slot 13 enables the insert 12 to be smoothly inserted into the slot 13, and then the rotating rod 3 9 is connected to the rotating rod 2 410 through the insert 12, and then the rotating rod 2 410 can smoothly drive the rotating rod 3 9 to rotate, and the "I"-shaped insert 12 design can enable the insert 12 to rotate to a vertical state. At this time, the extended top plate 11 is in a parallel state and is located on the outside of the top beam 3, so that when the extended top plate 11 moves in the vertical direction subsequently, the insert 12 will not affect it.

[0034] The lifting mechanism 5 includes a motor 2 501, and the motor 2 501 is arranged on the upper surface of the mounting seat 6. The power output end of the motor 2 501 is connected to the threaded rod 502 through a coupling transmission. The upper end of the threaded rod 502 is rotatably mounted inside the lower end of the top beam 3, which can limit the threaded rod 502 while allowing the threaded rod 502 to rotate stably. The circumferential surface of the threaded rod 502 is threadedly connected to a lifting plate 503. Telescopic cylinders 1 504 are provided on both sides of the front and rear of the upper surface of the lifting plate 503, and the two telescopic cylinders 1 504 are symmetrically arranged front and back. The telescopic ends of the two telescopic cylinders 1 504 are both provided with plug-in boards 505. The two plug-in boards 50 The ends of the two plug-in plates 505 away from the second motor 501 are respectively inserted into the interior of the two rotating plates 10. A limit block 18 is provided on the side of the two plug-in plates 505 away from the second motor 501. The interiors of the two rotating rods 3 9 and the rotating plate 10 are provided with a limit groove 19 that matches the limit block 18. The two limit blocks 18 are respectively inserted into the interiors of the two sets of limit grooves 19. Through the arrangement of the limit blocks 18 and the limit grooves 19, after the plug-in plates 505 are inserted into the rotating plate 10, the limit blocks 18 can limit and fix the rotating rod 3 9, thereby improving the stability of the connection between the plug-in plates 505 and the rotating plate 10, so that the plug-in plates 505 and the rotating plate 10 can move vertically smoothly.

[0035] A positioning rod 506 is provided on the rear side of the motor 2 501, the lower end of the positioning rod 506 is provided on the mounting seat 6, the upper end of the positioning rod 506 is provided on the lower surface of the top beam 3, and the lifting plate 503 is slidably installed on the circumferential surface of the positioning rod 506. The setting of the positioning rod 506 can limit the lifting plate 503, so that when the threaded rod 502 rotates, the lifting plate 503 can stably move in the vertical direction.

[0036] The lower surfaces of the two extended top plates 11 are each provided with a telescopic cylinder 2 15, and there are four telescopic cylinders 2 15. The telescopic ends of the four telescopic cylinders 2 15 are each provided with an abutment block 16. The outer walls on the front and rear sides of the top beam 3 are both provided with abutment grooves 17 matching the abutment blocks 16. The setting of the telescopic cylinder 2 15 and the abutment blocks 16 can, after the extended top plate 11 rises to be flush with the top beam 3, the telescopic cylinder 2 15 drives the abutment blocks 16 to be inserted into the abutment grooves 17, thereby supporting and reinforcing the extended top plate 11 and improving the support effect of the extended top plate 11.

[0037] When the present invention is in use, when the hydraulic support is supporting, when the width of the top beam 3 of the hydraulic support is not enough, the motor 1 401 is started, and the motor 1 401 drives the two transmission sprockets 403 to rotate through the rotating shaft 402, and the left transmission sprocket 403 drives the driven sprocket 1 405 and the rotating rod 2 410 on the rear side to rotate through the chain 404, and the right transmission sprocket 403 drives the driven sprocket 2 406, the rotating rod 1 407 and the driven gear 1 408 at the front end to rotate through the chain 404, and the driven gear 1 408 then drives the driven gear 2 409 and the rotating rod 2 410 to rotate, and the two rotating rods 2 410 respectively drive the two rotating rods 3 9 and the rotating plate 10 to rotate through the insert block 12, so that the two rotating plates 10 rotate to a parallel state and are respectively located below the front and rear sides of the top beam 3;

[0038] Then, the two sets of telescopic cylinders 504 are started, and the two sets of telescopic cylinders 504 drive the two plug-in plates 505 to be inserted into the interior of the two rotating plates 10 respectively. Then, the motor 2 501 is started, and the motor 2 501 drives the threaded rod 502 to rotate, so that the lifting plate 503 moves vertically upward. The lifting plate 503 drives the telescopic cylinder 1 504, the plug-in plates 505, the rotating plate 10 and the extended top plate 11 to move vertically upward. When the upper surface of the rotating plate 10 abuts the lower surface of the top beam 3, the movement is completed. At this time, the upper surfaces of the two extended top plates 11 are flush with the top beam 3 and are respectively located on the front and rear sides of the top beam 3;

[0039] Then start the telescopic cylinder 2 15 on the lower surface of the extended top plate 11. The four groups of telescopic cylinders 2 15 drive the four groups of abutment blocks 16 to approach the top beam 3 and insert them into the abutment groove 17, supporting and reinforcing the extended top plate 11, improving the support effect of the extended top plate 11, and completing the extension adjustment work of the top beam 3 support.

[0040] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the present invention to specific embodiments. Obviously, many modifications and variations are possible based on the contents of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. An adjusting device for a high-precision hydraulic support, comprising a base (1), the upper end of the base (1) being mounted with a top beam (3) via a hydraulic column (2), characterized in that: The lower surface of the top beam (3) is provided with a mounting seat (6), a rotating mechanism (4) and a lifting mechanism (5) are provided on the mounting seat (6), positioning blocks (7) are provided on the front and rear sides of the lower surface of the mounting seat (6), the right side walls of the two positioning blocks (7) are provided with movable grooves (8), and a rotating rod (9) is provided inside the movable groove (8), and the circumferential surfaces of the two rotating rods (9) are provided with rotating plates (10), the lifting mechanism (5) is arranged between the two rotating plates (10), and the upper surfaces of the two rotating plates (10) are provided with extended top plates (11), and the two extended top plates (11) are respectively located below the front and rear sides of the top beam (3).

2. The adjusting device for a high-precision hydraulic support according to claim 1, characterized in that: The rotating mechanism (4) includes a motor (401), and the motor (401) is arranged in the middle of the upper surface of the mounting seat (6). The power output end of the motor (401) is connected to the rotating shaft (402). The circumferential surface of the rotating shaft (402) is provided with a transmission sprocket (403), and there are two transmission sprockets (403). The two transmission sprockets (403) are respectively connected to the driven chain through the chain (404). Wheel one (405) and driven sprocket two (406), a rotating rod one (407) is provided in the middle of the driven sprocket two (406), a driven gear one (408) is provided on the circumferential surface of the left end of the rotating rod one (407), the rear side of the driven gear one (408) is meshedly connected with the driven gear two (409), and a rotating rod two (410) is provided in the middle of the driven sprocket one (405) and the middle of the driven gear two (409).

3. The adjusting device for a high-precision hydraulic support according to claim 2, characterized in that: The left ends of the two rotating rods (410) are both provided with slots (13), and the right ends of the two rotating rods (9) are both provided with plug-in blocks (12) matching the slots (13).

4. The adjusting device for a high-precision hydraulic support according to claim 2, characterized in that: Fixed blocks (14) are provided at both the front and rear ends of the lower surface of the top beam (3); the right end of the second rotating rod (410) at the rear end is rotatably mounted inside the fixed block (14) at the rear end; and the right ends of the second rotating rod (410) and the first rotating rod (407) at the front end are rotatably mounted inside the fixed block (14) at the front end.

5. The adjusting device for a high-precision hydraulic support according to claim 1, characterized in that: The lifting mechanism (5) includes a second motor (501), and the second motor (501) is arranged on the upper surface of the mounting seat (6). The power output end of the second motor (501) is transmission-connected with a threaded rod (502), and the circumferential surface of the threaded rod (502) is threadedly connected with a lifting plate (503). The front and rear sides of the upper surface of the lifting plate (503) are both provided with a telescopic cylinder (504), and the telescopic ends of the two telescopic cylinders (504) are both provided with a plug-in plate (505). The ends of the two plug-in plates (505) away from the second motor (501) are respectively plugged into the inside of the two rotating plates (10).

6. The adjusting device for a high-precision hydraulic support according to claim 5, characterized in that: A positioning rod (506) is provided on the rear side of the second motor (501), the lower end of the positioning rod (506) is provided on the mounting seat (6), the upper end of the positioning rod (506) is provided on the lower surface of the top beam (3), and the lifting plate (503) is slidably installed on the circumferential surface of the positioning rod (506).

7. The adjusting device for a high-precision hydraulic support according to claim 5, characterized in that: A limiting block (18) is provided on one side of the two plug-in boards (505) away from the second motor (501), and limiting grooves (19) matching the limiting blocks (18) are provided inside the two rotating rods (9) and the rotating board (10), and the two limiting blocks (18) are respectively plugged into the inside of the two groups of limiting grooves (19).

8. The adjusting device for a high-precision hydraulic support according to claim 1, characterized in that: The lower surfaces of the two extended top plates (11) are both provided with telescopic cylinders (15), and there are four telescopic cylinders (15). The telescopic ends of the four telescopic cylinders (15) are all provided with abutment blocks (16). The outer walls of the front and rear sides of the top beam (3) are both provided with abutment grooves (17) matching the abutment blocks (16).

9. The adjusting device for a high-precision hydraulic support according to claim 1, characterized in that: A lifting groove (20) is provided in the middle of the front and rear sides of the top beam (3); the width of the two rotating plates (10) is the same as the width of the two lifting grooves (20) and the two rotating plates (10) are located directly below the lifting grooves (20).

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