Auxiliary assembly device and assembly method for ultra-large mining height hydraulic support

Abstract

The present invention provides an auxiliary assembly device and method for a super-large mining height hydraulic support, belonging to the technical field of hydraulic support auxiliary equipment. The device comprises a frame, a shift jack, a top frame, a position adjustment jack, and a two-way hydraulic lock. The shift jack, top frame, and position adjustment jack are connected to the frame via hinged holes. The top frame and the position adjustment jack are connected via hinged holes. The two position adjustment jacks are adjusted individually through hydraulic control to adjust the spatial rotational position of the top frame, thereby changing the position of the structural components. The position of the frame is adjusted by controlling the shift jack. The device is applied to the assembly of super-large mining height intelligent hydraulic supports with a height of more than 8 meters, and can solve the problem of assembling supports in ordinary factories.

Description

Technical Field

[0001] The invention provides an auxiliary assembly device and an assembly method for an ultra-large mining height hydraulic support, belonging to the technical field of hydraulic support auxiliary equipment. Background Art

[0002] In the process of intelligent development of coal mine machinery, ultra-large mining height intelligent hydraulic supports with a height of more than 8m are being used more and more widely. Ultra-large mining height intelligent hydraulic supports have the characteristics of large working resistance, large volume, heavy weight, large size of each structural component, large tonnage, and overall difficulty in assembly. They have high requirements for the assembly environment, high factory height, and large crane tonnage, and are difficult to assemble in ordinary factories.

[0003] The general assembly process for a standard bracket is as follows: 1. First, assemble the shield beam, front link, and rear link into a subassembly; 2. Position the base and push rods; 3. Use a crane to hoist the shield beam, front link, and rear link assembly together, ensuring the front and rear links are perpendicular to the horizontal plane and aligned straight up and down for easy assembly with the base. 4. Assemble the top beam assembly; 5. Assemble the remaining components. Due to the small size and light weight of standard brackets, the tonnage and height of most cranes currently meet the requirements.

[0004] The ultra-large hydraulic support produced has a minimum working height of 3700mm and a maximum working height of 8100mm, a working resistance of 21,000KN, and a total weight of approximately 81t. The various structural components are large in size and tonnage, of which the top beam assembly weighs approximately 23.3t; the shield beam assembly weighs approximately 17t and is approximately 5200mm long; the center distance of the front connecting rod is 3300mm, and the weight of each piece is approximately 1.9t; the center distance of the rear connecting rod is 3250mm, and the weight of each piece is approximately 2.5t. When assembled according to the ordinary support sequence, the weight of the shield beam, front connecting rod, and rear connecting rod assembly exceeds 25t, and the driving tonnage does not meet the requirements. At the same time, the height difference between the hinge holes of the front connecting rod, rear connecting rod and the base is large, and the shield beam head height is nearly 8m (see attached). Figure 6 ), and due to the height of the factory building, it is inconvenient to operate a crane for lifting, and it is very dangerous even if it can be assembled. Summary of the Invention

[0005] In order to overcome the deficiencies in the prior art, the present invention aims to solve the technical problem of providing an improved structure of an auxiliary assembly device for an ultra-large mining height hydraulic support.

[0006] In order to solve the above technical problems, the technical solution adopted by the present invention is: an auxiliary assembly device for an ultra-large mining height hydraulic support, including a frame, a shift jack, a positioning jack, a top frame and a two-way hydraulic lock, the frame including a base plate, two left-right symmetrical first fixing frames are arranged on the base plate, two second fixing frames and two third fixing frames are respectively arranged in front and back between the two first fixing frames, wherein the shift jack is connected to the frame through a hinge hole on the first fixing frame, one end of the positioning jack is connected to the hinge hole on the second fixing frame, the other end of the positioning jack is connected to the hinge hole on one end of the top frame, and the other end of the top frame is connected to the hinge hole on the third fixing frame, and the two positioning jacks are respectively connected to the two-way hydraulic lock through hoses.

[0007] The second fixing frame and the third fixing frame are higher than the first fixing frame.

[0008] The two hinge holes connecting the frame and the top frame are coaxial.

[0009] The two hinge holes connected to the frame and the position adjustment jack are coaxial.

[0010] The second fixing bracket is located at an end away from the telescopic end of the shift jack, and the third fixing bracket is located at an end close to the telescopic end of the shift jack.

[0011] The bottom plate is also provided with a plurality of reinforcing plates to improve the overall structural strength of the frame.

[0012] A method for assembling a super-large mining height hydraulic support, using an auxiliary assembly device for the super-large mining height hydraulic support, comprises the following steps:

[0013] S1: Assemble the shield beam and front link into an assembly;

[0014] S2: Place the base and push rod in place, and install the column onto the base;

[0015] S3: Connect the shift jack on the auxiliary assembly device of the super-large mining height hydraulic support to the base;

[0016] S4: Use a crane to connect the rear link to the hinge hole of the base;

[0017] S5: Use the shift jack to retract the auxiliary assembly device of the super-large mining height hydraulic support into place;

[0018] S6: Use the two-way hydraulic lock to adjust the extension and retraction of the positioning jack through the connecting hose to adjust the top frame to the set position;

[0019] S7: Lean the rear link against the top frame;

[0020] S8: Use a crane to lift the shield beam and front link assembly so that the front link is in a vertical state and connected to the base hinge hole;

[0021] S9: Tilt the guard beam backward while driving, and then adjust the hinge hole of the rear link to connect it with the hinge hole of the guard beam;

[0022] S10: The two-way hydraulic lock is used to independently adjust the extension and contraction of the two adjusting jacks, control the spatial rotation position of the top frame, and control the spatial position state of the hinge hole of the rear connecting rod and the shield beam, and use a pin shaft for connection;

[0023] S11: dismantling the auxiliary assembly device for the ultra-large mining height hydraulic support;

[0024] S12: Crane lifts the top beam assembly and cover beam for assembly;

[0025] S13: Assemble other parts to complete the overall assembly of the bracket.

[0026] The beneficial effects of the present invention compared to the prior art are:

[0027] (1) The frame adopts a shift jack to control the position, which is convenient for adjusting the frame position;

[0028] (2) The top frame adopts the adjustment jack and two-way hydraulic lock to control the movement. The rotation displacement of the top frame is accurate, which is convenient for adjusting the position of the hinge hole of the assembly;

[0029] (3) The present invention adopts hydraulic control and the operation is smooth;

[0030] (4) The present invention has a simple and ingenious structure, is easy and safe to operate, and is easy to promote and apply. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] The present invention will be further described below with reference to the accompanying drawings:

[0032] Figure 1 It is a structural schematic diagram of the present invention;

[0033] Figure 2 It is a structural schematic diagram of the frame of the present invention;

[0034] Figure 3 It is a structural schematic diagram of the top frame of the present invention;

[0035] Figure 4 This is a structural diagram of the installation of a super-large mining height hydraulic support using the present invention;

[0036] Figure 5 This is a structural diagram of the connection between the shield beam of the ultra-large mining height hydraulic support and the hinge hole of the rear connecting rod using the present invention;

[0037] Figure 6This is a structural diagram of the super-large mining height hydraulic support;

[0038] Figure 7 This is a structural diagram of an ultra-large mining height hydraulic support assembled by using the present invention in conjunction with a crane;

[0039] In the figure: 1 is a frame, 2 is a shift jack, 3 is a position adjustment jack, 4 is a top frame, 5 is a two-way hydraulic lock, 6 is a reinforcement plate, 11 is a first fixing frame, 12 is a second fixing frame, and 13 is a third fixing frame;

[0040] 21 is a base, 22 is a rear connecting rod, 23 is a shield beam, 24 is a hinge hole, and 25 is a front connecting rod. DETAILED DESCRIPTION

[0041] like Figures 1 to 7 As shown, the present invention provides an auxiliary device for assembling a super-large mining height hydraulic support. The present invention is used to change the assembly order of the support, and at the same time it is convenient to adjust the position of the assembly body, which is more conducive to the assembly of the support, making it possible to assemble the super-large mining height intelligent hydraulic support in ordinary factories. It can solve the problem of assembling the super-large mining height intelligent hydraulic support in ordinary factories and improve the assembly efficiency.

[0042] The specific structure of the present invention includes a frame 1, a shift jack 2, a top frame 4, a positioning jack 3, and a two-way hydraulic lock 5. The frame 1 serves as the base, and the shift jack 2 is connected to the frame 1 via a hinge hole. The top frame 4 is connected to the frame 1 via a hinge hole. The top frame 4 is connected to the positioning jack 3 via a hinge hole. The positioning jack 2 is connected to the frame 1 via a hinge hole. The positioning jack 3 is connected to the frame 1 via a hinge hole. The positioning jack 3 is connected to the frame 1 via a hinge hole. The two positioning jacks 3 are controlled by the two-way hydraulic lock 5 and can operate independently and lock at any position within their travel range. The position of the frame 1 is adjusted by the shift jack 2. The hinge hole connecting the frame 1 and the top frame 4 is coaxial. The hinge hole connecting the frame 1 and the positioning jack 3 is coaxial. The positioning jack 3 can be adjusted independently. The position of the top frame 4 is adjusted by the positioning jack 3. The position of the positioning jack 3 is adjusted by the two-way hydraulic lock 5. The device of the present invention uses a hydraulic system for precise control.

[0043] The present invention is provided with two shifting jacks 2, adjusting jacks 3 and top frames 4, and is symmetrically arranged on the frame 1, wherein the shifting jack 2 is arranged on the outermost side, the adjusting jack 3 and the top frame 4 are arranged on the inner side of the shifting jack 2, and in order to enable the top frame 4 to support the rear connecting rod of the ultra-large mining height hydraulic support, the second fixing frame 12 and the third fixing frame 13 used to connect the adjusting jack 3 and the top frame 4 are set to have a certain height.

[0044] like Figure 4As shown, when in use, the device of the present invention is connected to the structural base 21 of the ultra-large mining height hydraulic support by means of a shift jack 2, and the position of the auxiliary assembly device is adjusted by means of the shift jack 2. During operation, the shift jack 2 is pre-extended and connected to the structural base 21 of the ultra-large mining height hydraulic support. When the structural rear connecting rod 22 is installed, the frame 1 is retracted into place by means of the shift jack 2, and the structural rear connecting rod 22 rests on the top frame 4. The expansion and contraction of the adjustment jack 3 is controlled by means of a two-way hydraulic lock 5, and the rotation of the top frame 4 around the axis of the hinge hole between the top frame 4 and the frame 1 is adjusted. The top frame 4 then pushes the structural rear connecting rod 22 to rotate around the axis, adjusting the position of the hinge hole 24 connecting the structural rear connecting rod 22 to the structural shield beam 23, thereby facilitating the pin connection of the structural rear connecting rod 22 to the hinge hole 24 of the structural shield beam 26.

[0045] During operation, the two adjustment jacks 3 can be individually adjusted in telescopic amount via the bidirectional hydraulic lock 5 as required, thereby adjusting the spatial rotational position of the top frame 4, thereby changing the position of the structural component and thus adjusting the position of the hinge hole of the rear connecting rod 22 of the structural component. During operation, this device uses a hydraulic valve group to control the action, ensuring precise displacement.

[0046] The assembly sequence of the ultra-high mining height hydraulic support using the device of the present invention is as follows:

[0047] 1. Assemble the shield beam 23 and the front connecting rod 25 into an assembly weighing about 20.8t (meeting the requirements of the crane); 2. Place the base 21 and the push rod in place, and install the column on the base 21; 3. Connect the shift jack 2 on the auxiliary assembly device of the ultra-large mining height hydraulic support of the present invention to the base 21; 4. Use the crane to hoist the rear connecting rod 22 and connect it to the hinge hole of the base 21; 5. Use the shift jack 2 to retract the auxiliary assembly device of the ultra-large mining height hydraulic support into place; 6. Use the two-way hydraulic lock 5 to adjust the extension and contraction of the adjustment jack 3 through the connecting hose to adjust the top frame 4 to a certain position (according to calculation, the top frame is adjusted to about 40 degrees); 7. Lean the rear connecting rod 22 against the top frame 4; 8. Use the crane to hoist the assembly of the shield beam 23 and the front connecting rod 25 so that the front connecting rod 25 is in a vertical state and connected to the hinge hole of the base 21; 9. Tilt the shield beam 23 backward using the crane (see attached Figure 4 ), and then adjust the hinge hole of the rear connecting rod 22 and the hinge hole of the shield beam 23; 10. Use the two-way hydraulic lock 5 to separately adjust the extension and contraction of the two adjusting jacks 3, control the spatial rotation position of the top frame 4, and finely control the spatial position state of the hinge hole 24 of the rear connecting rod 22 and the shield beam 23, and use the pin to connect; 11. Remove the auxiliary assembly device of the super-large mining height hydraulic support; 12. Use the crane to hoist the top beam assembly and the shield beam for assembly; 13. Assemble other parts to complete the overall assembly of the support (see attached Figure 7 ).

[0048] Regarding the specific structure of the present invention, it should be noted that the connection relationship between the various component modules adopted in the present invention is definite and feasible. Except for those specifically described in the embodiments, the specific connection relationship can bring about corresponding technical effects and solve the technical problems raised by the present invention without relying on the execution of corresponding software programs. The components, modules, models of specific components appearing in the present invention, the connection methods between each other, and the conventional usage methods and expected technical effects brought about by the above-mentioned technical features, except for those specifically described, all belong to the disclosed contents in patents, journal articles, technical manuals, technical dictionaries, and textbooks that can be obtained by technical personnel in this field before the application date, or belong to the existing technologies such as conventional technology and common knowledge in this field. There is no need to elaborate, so that the technical solution provided in this case is clear, complete, and feasible, and the corresponding physical products can be reproduced or obtained based on this technical means.

[0049] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A method for assembling a super-large mining height hydraulic support, characterized by: The steps include: S1: Assemble the shield beam and front link into an assembly; S2: Place the base and push rod in place, and install the column onto the base; S3: Connect the shift jack on the auxiliary assembly device of the super-large mining height hydraulic support to the base; S4: Use a crane to connect the rear link to the hinge hole of the base; S5: Use the shift jack to retract the auxiliary assembly device of the super-large mining height hydraulic support into place; S6: Use the two-way hydraulic lock to adjust the extension and retraction of the positioning jack through the connecting hose to adjust the top frame to the set position; S7: Lean the rear link against the top frame; S8: Use a crane to lift the shield beam and front link assembly so that the front link is in a vertical state and connected to the base hinge hole; S9: Tilt the guard beam backward while driving, and then adjust the hinge hole of the rear link to connect it with the hinge hole of the guard beam; S10: The two-way hydraulic lock is used to independently adjust the extension and contraction of the two adjusting jacks, control the spatial rotation position of the top frame, and control the spatial position state of the hinge hole of the rear connecting rod and the shield beam, and use a pin shaft for connection; S11: dismantling the auxiliary assembly device for the ultra-large mining height hydraulic support; S12: Crane lifts the top beam assembly and cover beam for assembly; S13: Assemble other parts to complete the overall assembly of the bracket; The auxiliary assembly device of the super-large mining height hydraulic support includes a frame, a shift jack, an adjustment jack, a top frame and a two-way hydraulic lock. The frame includes a base plate, and two left-right symmetrical first fixing frames are arranged on the base plate. Two second fixing frames and two third fixing frames are respectively arranged in front and back between the two first fixing frames. The shift jack is connected to the frame through a hinge hole on the first fixing frame, one end of the adjustment jack is connected to the hinge hole on the second fixing frame, the other end of the adjustment jack is connected to the hinge hole on one end of the top frame, and the other end of the top frame is connected to the hinge hole on the third fixing frame. The two adjustment jacks are respectively connected to the two-way hydraulic lock through hoses.

2. The method for assembling a super-large mining height hydraulic support according to claim 1, characterized in that: The second fixing frame and the third fixing frame are higher than the first fixing frame.

3. The method for assembling a super-large mining height hydraulic support according to claim 1, characterized in that: The two hinge holes connecting the frame and the top frame are coaxial.

4. The method for assembling a super-large mining height hydraulic support according to claim 1, characterized in that: The two hinge holes connected to the frame and the position adjustment jack are coaxial.

5. The method for assembling a super-large mining height hydraulic support according to claim 1, characterized in that: The second fixing bracket is located at an end away from the telescopic end of the shift jack, and the third fixing bracket is located at an end close to the telescopic end of the shift jack.

6. The method for assembling a super-large mining height hydraulic support according to claim 1, characterized in that: A plurality of reinforcing plates are also provided on the bottom plate.

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