Hydraulic valve group for mining machinery

Abstract

The utility model relates to the technical field of hydraulic valve banks, and discloses a hydraulic valve bank for mining machinery, which comprises a hydraulic valve bank shell, a hydraulic valve bank, a hydraulic valve bank and a hydraulic valve bank, the mounting plates are arranged on the upper portion and the lower portion of the two sides of the mounting frame, adjusting plates are inserted into inner cavities of the mounting plates, and racks are mounted on the surfaces of the adjusting plates; the fixing plates are arranged on the upper portion and the lower portion of the two sides of the mounting frame, and ratchet wheels are mounted on the two sides between the fixing plates through bearings. The rack can be driven to slide along the surface of the ratchet wheel by pushing the hydraulic valve group, the clamping teeth can be driven to be inserted into teeth of the ratchet wheel by rotating the positioning rod to limit the ratchet wheel, and when the hydraulic valve group needs to be maintained, the clamping teeth are pulled out of the ratchet wheel by rotating the positioning rod; a worker only needs to pull out the hydraulic valve set from the control box to complete disassembly of the hydraulic valve set, and disassembly and assembly of the hydraulic valve set by the worker are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic valve groups, in particular to a hydraulic valve group used for mining machinery. Background Art

[0002] The hydraulic valve group of mining machinery is a vital part of mining machinery equipment. Their main function is to control the flow and pressure of hydraulic oil to achieve normal operation and efficient work of the equipment.

[0003] Common hydraulic valve groups are generally integrated and installed in the hydraulic control box, which can facilitate centralized control and management of the hydraulic system and is also conducive to maintenance and overhaul. However, since the hydraulic valve group is generally installed in the control box through a limiting structure, and when repairing the hydraulic valve group, the hydraulic valve group needs to be taken out of the control box, and the limiting structure needs to be disassembled when taking it out. At the same time, when installing, the hydraulic valve group needs to be placed in the control box, and then the connection between the hydraulic valve group and the control box needs to be moved in the narrow control box to align, which is time-consuming and labor-intensive, and inconvenient for the staff to disassemble and assemble the hydraulic valve group. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a hydraulic valve group for mining machinery to solve the problem proposed in the above background technology that the hydraulic valve group needs to be moved in a narrow control box to align the connection with the control box, which is time-consuming, labor-intensive, and inconvenient for workers to disassemble and assemble the hydraulic valve group.

[0006] (II) Technical solution

[0007] To achieve the above purpose, the utility model provides the following technical solution: a hydraulic valve group for mining machinery, comprising:

[0008] A hydraulic valve group housing, wherein a mounting frame is provided on the surface of the hydraulic valve group housing;

[0009] A mounting plate is arranged at the upper and lower parts of both sides of the mounting frame, an adjusting plate is inserted into the inner cavity of the mounting plate, and racks are installed on the surfaces of the adjusting plates;

[0010] A fixing plate is arranged at the upper part and the lower part of both sides of the mounting frame, and ratchets are installed on both sides between the fixing plates through bearings;

[0011] The positioning plate is arranged in the inner cavity of the fixing plate. Positioning rods are installed on the surface of the positioning plate through bearings, and latch teeth are installed on both sides of the inner wall of the positioning plate.

[0012] Preferably, first mounting blocks are installed on both sides of the upper surface of the hydraulic valve group housing, and the first mounting blocks are connected to the surface of the mounting frame through threads, and the mounting frame can be installed on the surface of the hydraulic valve group housing through the first mounting blocks.

[0013] Preferably, second mounting blocks are installed on both sides of the upper surface of the bottom plate of the mounting frame, and the second mounting blocks are also connected to the surface of the hydraulic valve group housing through threads, so that the firmness of the mounting frame can be improved by the second mounting blocks.

[0014] Preferably, sliders are installed on both sides of the upper and lower surfaces of the positioning plate, and sliding grooves are opened at corresponding positions of the fixed plate and the sliders, and the sliders are embedded in the inner cavity of the sliding grooves. The sliders and the sliding grooves cooperate to limit the positioning plate, so that the positioning plate can limit the locking teeth more firmly.

[0015] Preferably, the inner wall of the adjustment plate is equipped with an adjustment rod via a bearing, and the adjustment rod is screwed to the surface of the mounting plate. Rotating the adjustment rod can drive the adjustment plate to move, thereby adjusting the distance between the rack and the ratchet, and can install hydraulic valve group housings of different sizes.

[0016] Preferably, limit blocks are installed on both sides of the adjustment plate, and limit grooves are provided on the inner walls on both sides of the installation plate. The limit blocks are embedded in the inner cavity of the limit grooves, and the limit blocks and the limit grooves enable the adjustment plate to move linearly.

[0017] Beneficial Effects

[0018] Compared with the prior art, the utility model provides a hydraulic valve group for mining machinery, which has the following beneficial effects:

[0019] The hydraulic valve group for mining machinery can connect the ratchet and the control box by installing the fixing plates on the inner walls of the control box of the mining machinery. When installing the hydraulic valve group, it is only necessary to make the bottom of the hydraulic valve group contact with the bottom of the inner cavity of the control box, and pushing the hydraulic valve group can drive the rack to slide along the surface of the ratchet, and the ratchet will also rotate and engage with the rack. After the hydraulic valve group is placed, the positioning rod is rotated to drive the positioning plate to move, and then the locking teeth can be driven to insert into the teeth of the ratchet, so as to limit the ratchet, so that the ratchet will not rotate, and then the rack can be limited, so that the hydraulic valve group is not easy to shake. The hydraulic valve group is fixed. When the hydraulic valve group needs to be repaired, it is only necessary to rotate the positioning rod to pull the locking teeth out of the ratchet. The staff only needs to pull the hydraulic valve group out of the control box to complete the disassembly of the hydraulic valve group, which saves time and effort and facilitates the disassembly and assembly of the hydraulic valve group by the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1It is a schematic diagram of the structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the installation structure of the utility model;

[0022] Figure 3 This is a schematic diagram of the structure of the mounting frame of the utility model;

[0023] Figure 4 It is an exploded perspective view of the mounting plate of the utility model;

[0024] Figure 5 It is a structural schematic diagram of the fixing plate of the utility model;

[0025] Figure 6 It is a structural schematic diagram of the positioning plate of the utility model.

[0026] In the figure: 1. hydraulic valve group housing; 2. mounting frame; 3. mounting plate; 4. adjusting plate; 5. rack; 6. fixing plate; 7. ratchet; 8. positioning rod; 9. positioning plate; 10. latching tooth; 11. first mounting block; 12. second mounting block; 13. slider; 14. slide groove; 15. adjusting rod; 16. limit block; 17. limit groove. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] The utility model provides a technical solution, a hydraulic valve group for mining machinery, please refer to Figure 1 , comprising a hydraulic valve group housing 1, a mounting frame 2 is provided on the surface of the hydraulic valve group housing 1;

[0029] See also Figure 3 The mounting plate 3 is arranged at the upper and lower parts of both sides of the mounting frame 2, and the inner cavity of the mounting plate 3 is inserted with an adjustment plate 4, and the surface of the adjustment plate 4 is installed with a rack 5;

[0030] See also Figure 1 , the fixing plate 6 is arranged at the upper and lower parts of both sides of the mounting frame 2, see Figure 5 , ratchet wheels 7 are installed on both sides between the fixed plates 6 through bearings;

[0031] The positioning plate 9 is arranged in the inner cavity of the fixing plate 6, see Figure 6, the surface of the positioning plate 9 is equipped with a positioning rod 8 through a bearing, and the inner wall of the positioning plate 9 is equipped with a latching tooth 10 on both sides;

[0032] See also Figure 2 , install the fixing plate 6 on the inner walls of both sides of the mining machinery control box, and the ratchet 7 can be connected to the control box. When installing the hydraulic valve group, it is only necessary to make the bottom of the hydraulic valve group contact with the bottom of the inner cavity of the control box, and push the hydraulic valve group to drive the rack 5 to slide along the surface of the ratchet 7, and the ratchet 7 will also rotate and engage with the rack 5. After the hydraulic valve group is placed, the positioning rod 8 is rotated to drive the positioning plate 9 to move, and then the locking tooth 10 can be driven to insert into the teeth of the ratchet 7, thereby limiting the ratchet 7, so that the ratchet 7 will not rotate, and then the rack 5 can be limited, so that the hydraulic valve group is not easy to shake, and the hydraulic valve group is fixed. When the hydraulic valve group needs to be repaired, it is only necessary to rotate the positioning rod 8 to pull the locking tooth 10 out of the ratchet 7. The staff only needs to pull the hydraulic valve group out of the control box, which saves time and effort and facilitates the disassembly and assembly of the hydraulic valve group by the staff.

[0033] See also Figure 1 First mounting blocks 11 are installed on both sides of the upper surface of the hydraulic valve group housing 1. The first mounting blocks 11 are connected to the surface of the mounting frame 2 through threads. The mounting frame 2 can be installed on the surface of the hydraulic valve group housing 1 through the first mounting blocks 11.

[0034] Second mounting blocks 12 are installed on both sides of the upper surface of the bottom plate of the mounting frame 2. The second mounting blocks 12 are also connected to the surface of the hydraulic valve group housing 1 through threads. The second mounting blocks 12 can improve the firmness of the mounting frame 2.

[0035] See also Figure 5 Slide blocks 13 are installed on both sides of the upper and lower surfaces of the positioning plate 9, and sliding grooves 14 are opened at the corresponding positions of the fixed plate 6 and the slide blocks 13. The slide blocks 13 are embedded in the inner cavity of the sliding grooves 14. The slide blocks 13 cooperate with the sliding grooves 14 to limit the positioning plate 9, so that the positioning plate 9 can limit the latch teeth 10 more firmly.

[0036] See also Figure 4 The inner wall of the adjusting plate 4 is installed with an adjusting rod 15 through a bearing. The adjusting rod 15 is screwed to the surface of the mounting plate 3. Rotating the adjusting rod 15 can drive the adjusting plate 4 to move, thereby adjusting the distance between the rack 5 and the ratchet 7, and can install hydraulic valve group housings 1 of different sizes.

[0037] Limit blocks 16 are installed on both sides of the adjustment plate 4, and limit grooves 17 are opened on the inner walls of both sides of the installation plate 3. The limit blocks 16 are embedded in the inner cavity of the limit grooves 17. The limit blocks 16 and the limit grooves 17 enable the adjustment plate 4 to move linearly.

[0038] The device can first install the mounting frame 2 on the surface of the hydraulic valve group housing 1 through the first mounting block 11, and the second mounting block 12 can improve the firmness of the mounting frame 2, and then install the fixing plate 6 on the inner walls on both sides of the mining machinery control box through the threaded rod, so that the ratchet 7 can be connected to the control box. When installing the hydraulic valve group, it is only necessary to contact the bottom of the hydraulic valve group with the bottom of the inner cavity of the control box, and push the hydraulic valve group to drive the rack 5 to slide along the surface of the ratchet 7, and the ratchet 7 will also rotate and engage with the rack 5. After the hydraulic valve group is placed, Rotating the positioning rod 8 drives the positioning plate 9 to move, which can then drive the latch tooth 10 to insert into the teeth of the ratchet 7, thereby limiting the ratchet 7 so that the ratchet 7 does not rotate, and then limiting the rack 5, so that the hydraulic valve group is not prone to shaking, and the hydraulic valve group is fixed. Finally, when the hydraulic valve group needs to be repaired, it is only necessary to rotate the positioning rod 8 to pull the latch tooth 10 out of the ratchet 7. The staff only needs to pull the hydraulic valve group out of the control box to complete the disassembly of the hydraulic valve group, which saves time and effort and facilitates the disassembly and assembly of the hydraulic valve group by the staff.

[0039] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A hydraulic valve group for mining machinery, characterized in that: include: A hydraulic valve group housing (1), wherein a mounting frame (2) is provided on the surface of the hydraulic valve group housing (1); A mounting plate (3) is arranged at the upper and lower parts of both sides of the mounting frame (2); an adjusting plate (4) is inserted into the inner cavity of the mounting plate (3); and racks (5) are installed on the surfaces of the adjusting plates (4); A fixing plate (6) is arranged at the upper and lower parts of both sides of the mounting frame (2), and ratchets (7) are installed on both sides between the fixing plates (6) through bearings; The positioning plate (9) is arranged in the inner cavity of the fixing plate (6), the surface of the positioning plate (9) is installed with a positioning rod (8) via a bearing, and latch teeth (10) are installed on both sides of the inner wall of the positioning plate (9).

2. A hydraulic valve group for mining machinery according to claim 1, characterized in that: First mounting blocks (11) are mounted on both sides of the upper surface of the hydraulic valve group housing (1), and the first mounting blocks (11) are connected to the surface of the mounting frame (2) via threads.

3. The hydraulic valve group for mining machinery according to claim 1, characterized in that: Second mounting blocks (12) are mounted on both sides of the upper surface of the bottom plate of the mounting frame (2), and the second mounting blocks (12) are also connected to the surface of the hydraulic valve group housing (1) through threads.

4. The hydraulic valve group for mining machinery according to claim 1, characterized in that: Slide blocks (13) are installed on both sides of the upper surface and the lower surface of the positioning plate (9), and slide grooves (14) are opened at corresponding positions of the fixed plate (6) and the slide blocks (13), and the slide blocks (13) are embedded in the inner cavity of the slide grooves (14).

5. The hydraulic valve group for mining machinery according to claim 1, characterized in that: The inner wall of the adjustment plate (4) is provided with an adjustment rod (15) via a bearing, and the adjustment rod (15) is screwed to the surface of the mounting plate (3).

6. The hydraulic valve group for mining machinery according to claim 1, characterized in that: Limit blocks (16) are installed on both sides of the adjustment plate (4), and limit grooves (17) are provided on the inner walls on both sides of the installation plate (3), and the limit blocks (16) are embedded in the inner cavities of the limit grooves (17).

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