CN214464312U - Electro-hydraulic control reversing valve group for coal mine hydraulic support - Google Patents
Electro-hydraulic control reversing valve group for coal mine hydraulic support Download PDFInfo
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- CN214464312U CN214464312U CN202120217940.1U CN202120217940U CN214464312U CN 214464312 U CN214464312 U CN 214464312U CN 202120217940 U CN202120217940 U CN 202120217940U CN 214464312 U CN214464312 U CN 214464312U
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Abstract
The utility model provides an electrohydraulic control reversing valve group for a coal mine hydraulic support, which comprises an integrated block, a filter, a first electromagnetic reversing valve, a second electromagnetic reversing valve, a first electromagnetic valve interface, a second electromagnetic valve interface, a third electromagnetic valve interface, an oil receiving port, a connecting protective sleeve structure and an auxiliary disassembling fixed ring structure, wherein the right upper part of the integrated block is in threaded connection with the filter; the first electromagnetic directional valve is in threaded connection with the left side of the upper end of the manifold block; and the second electromagnetic directional valve is in threaded connection with the lower part of the left end of the manifold block. The utility model has the advantages that: through the setting of supplementary fixed ring structure of dismantling, during the use, with the joint socket cover on the junction of first electromagnetic reversing valve, second electromagnetic reversing valve or other valves, can drive the joint socket rotation of joint socket, first electromagnetic reversing valve, second electromagnetic reversing valve or other valves through the rotating rod to dismantle the maintenance.
Description
Technical Field
The utility model belongs to the technical field of colliery hydraulic support valves, especially, relate to an electric hydraulic control switching-over valves for colliery hydraulic support.
Background
The hydraulic support for coal mine includes base, top beam, shield beam, upright post and pusher, the upright post is hydraulic cylinder supported between the base and the top beam or the shield beam for regulating the height and bearing, and the hydraulic support is provided with electrohydraulic change valve for controlling the action of the hydraulically controlled change valve and changing the flow direction of the fluid.
The existing electro-hydraulic control reversing valve group also has the problems of poor protection effect on the joint and inconvenience in disassembly and replacement.
Therefore, the invention discloses an electro-hydraulic control reversing valve group for a coal mine hydraulic support.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a voltage-controlled switching-over valves of electricity liquid for colliery hydraulic support to solve the current voltage-controlled switching-over valves of electricity liquid relatively poor with be not convenient for dismantle and the problem of changing to the protective effect of junction. An electro-hydraulic control reversing valve group for a coal mine hydraulic support comprises an integrated block, a filter, a first electromagnetic reversing valve, a second electromagnetic reversing valve, a first electromagnetic valve interface, a second electromagnetic valve interface, a third electromagnetic valve interface, an oil receiving port, a connecting protective sleeve structure and an auxiliary disassembling fixing ring structure, wherein the filter is in threaded connection with the upper right part of the integrated block; the first electromagnetic directional valve is in threaded connection with the left side of the upper end of the manifold block; the second electromagnetic directional valve is in threaded connection with the lower part of the left end of the manifold block; the first electromagnetic valve interface is arranged at the lower left corner in front of the inside of the integrated block; the second electromagnetic valve interface is arranged in the middle of the lower side in front of the inside of the integrated block; the inside of the third electromagnetic valve interface is arranged at the middle part of the front left side in the integrated block; the oil receiving port is formed in the right side of the upper end of the manifold block; the connecting and protecting sleeve structure is respectively fixed on the outer walls of the first electromagnetic reversing valve and the second electromagnetic reversing valve; the auxiliary disassembly fixing ring structure is arranged on the connecting protection sleeve structure; the connecting protective sleeve structure comprises a fixed shell, a rotating ring, a first bearing, a dustproof sleeve and a protective sleeve, wherein the rotating ring is embedded in an inner ring of the first bearing; the first bearing outer ring is embedded in the left side of the inside of the fixed shell; a protective sleeve is glued on the inner wall of the dustproof sleeve; the dustproof sleeve and the right end of the sheath are respectively glued with the left end of the rotating ring.
Preferably, the auxiliary dismounting fixing ring structure comprises a sleeve joint ring, a second bearing, a clamping seat, a rotating rod, a fastening screw rod and a rotating handle, wherein the sleeve joint ring is glued at the left ends of the dustproof sleeve and the protective sleeve; the rotating rods are respectively welded at the front end and the rear end of the outer wall of the clamping seat; the fastening screw rods are respectively in threaded connection with the front end and the rear end of the right side of the inner part of the sleeving ring; the rotating handle bolt is arranged on the outer side of the fastening screw rod.
Preferably, the fixed shell is respectively sleeved on the outer walls of the first electromagnetic directional valve and the second electromagnetic directional valve, and the joint of the fixed shell and the first electromagnetic directional valve and the joint of the fixed shell and the second electromagnetic directional valve are fixed through bolts.
Preferably, two fastening screws are arranged in the sleeving ring, and the rotating handle on the outer side of each fastening screw is in a cross shape.
Preferably, the inside of the clamping seat is hexagonal, and the outer wall of the rotating rod on the outer wall of the clamping seat is provided with straight anti-slip lines.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses in, the set casing cup joint respectively on the outer wall of first electromagnetic directional valve and second electromagnetic directional valve, the set casing passes through the bolt fastening with first electromagnetic directional valve and second electromagnetic directional valve junction simultaneously, the cooperation set casing of being convenient for is installed and is used or dismantle the maintenance.
2. The utility model discloses in, first bearing fix between set casing and rotatory ring, when using, can cooperate the dirt proof boot of rotatory ring left end and add the sheath rotation and use.
3. The utility model discloses in, the dirt proof boot with add the sheath and adopt PVC plastic sheath and metal hose cover respectively, when using, can protect the junction at first electromagnetic reversing valve, second electromagnetic reversing valve or other valves, avoided being infected with debris influence dismantlement maintenance.
4. The utility model discloses in, the fastening screw of cup jointing the inside of ring be provided with two, and the twist grip in the fastening screw outside sets up to cross, the inside fastening screw of cup jointing ring can withstand the position of connecting when using to the dirt proof boot with add the fixed use of sheath.
5. The utility model discloses in, the second bearing outer lane inlay in the inside left side of cup joint ring, the joint seat inlay the inner circle at the second bearing, when being convenient for cooperate the joint seat to carry out the installation, rotate thereupon and the activity is used.
6. The utility model discloses in, the joint seat inside set up to the hexagon, the joint seat outer wall on be provided with a word antiskid line, during the use, with the joint seat cover on the junction of first electromagnetic directional valve, second electromagnetic directional valve or other valves, can drive the junction rotation of joint seat, first electromagnetic directional valve, second electromagnetic directional valve or other valves through the rotor rod to dismantle and maintain.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the connection protective sleeve structure of the present invention.
Fig. 3 is a schematic structural view of the auxiliary dismounting fixing ring structure of the present invention.
In the figure:
1. integrating the blocks; 2. a filter; 3. a first electromagnetic directional valve; 4. a second electromagnetic directional valve; 5. a first solenoid valve interface; 6. a second solenoid valve interface; 7. a third solenoid valve interface; 8. an oil receiving port; 9. connecting a protective sleeve structure; 91. a stationary case; 92. a rotating ring; 93. a first bearing; 94. a dust-proof sleeve; 95. adding a sheath; 10. the fixed ring structure is disassembled in an auxiliary mode; 101. a sleeving connection ring; 102. a second bearing; 103. a clamping seat; 104. rotating the rod; 105. fastening a screw rod; 106. the handle is rotated.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
example (b):
as shown in fig. 1 and fig. 2, an electro-hydraulic control reversing valve group for a coal mine hydraulic support comprises an integrated block 1, a filter 2, a first electromagnetic reversing valve 3, a second electromagnetic reversing valve 4, a first electromagnetic valve interface 5, a second electromagnetic valve interface 6, a third electromagnetic valve interface 7, an oil receiving port 8, a connecting protective sleeve structure 9 and an auxiliary dismounting fixing ring structure 10, wherein the filter 2 is in threaded connection with the upper right part of the integrated block 1; the first electromagnetic directional valve 3 is in threaded connection with the left side of the upper end of the manifold block 1; the second electromagnetic directional valve 4 is in threaded connection with the lower part of the left end of the manifold block 1; the first electromagnetic valve interface 5 is arranged at the lower left corner in front of the inside of the manifold block 1; the second electromagnetic valve interface 6 is arranged in the middle of the lower front part inside the manifold block 1; the inside of the third electromagnetic valve interface 7 is arranged at the middle part of the front left side inside the manifold block 1; the oil receiving port 8 is formed in the right side of the upper end of the manifold block 1; the connecting protective sleeve structure 9 is respectively fixed on the outer walls of the first electromagnetic directional valve 3 and the second electromagnetic directional valve 4; the auxiliary disassembly fixing ring structure 10 is arranged on the connecting protective sleeve structure 9; the connecting protective sleeve structure 9 comprises a fixed shell 91, a rotating ring 92, a first bearing 93, a dustproof sleeve 94 and a protective sleeve 95, wherein the rotating ring 92 is embedded in the inner ring of the first bearing 93; the outer ring of the first bearing 93 is embedded in the left side of the inside of the fixed shell 91; a protective sleeve 95 is glued on the inner wall of the dustproof sleeve 94; the right ends of the dust-proof sleeve 94 and the sheath 95 are respectively glued with the left end of the rotating ring 92.
In the above embodiment, as shown in fig. 3, specifically, the auxiliary detachable fixing ring structure 10 includes a socket ring 101, a second bearing 102, a clamping seat 103, a rotating rod 104, a fastening screw 105 and a rotating handle 106, where the socket ring 101 is glued to the left ends of the dust-proof sleeve 94 and the protecting sleeve 95; the rotating rods 104 are respectively welded at the front end and the rear end of the outer wall of the clamping seat 103; the fastening screw rods 105 are respectively in threaded connection with the front end and the rear end of the right side in the sleeving ring 101; the rotating handle 106 is bolted to the outside of the fastening screw 105.
In the above embodiment, specifically, the fixing shell 91 is respectively sleeved on the outer walls of the first electromagnetic directional valve 3 and the second electromagnetic directional valve 4, and meanwhile, the joint of the fixing shell 91 and the first electromagnetic directional valve 3 and the second electromagnetic directional valve 4 is fixed by bolts, so that the fixing shell 91 is convenient to be matched for installation and use or disassembly and maintenance.
In the above embodiment, specifically, the first bearing 93 is fixed between the fixed casing 91 and the rotating ring 92, and can be used in cooperation with the dust-proof cover 94 and the protecting cover 95 at the left end of the rotating ring 92.
In the above embodiment, specifically, the dust-proof sleeve 94 and the protective sleeve 95 are respectively a PVC plastic sleeve and a metal hose sleeve, and when in use, the joint between the first electromagnetic directional valve 3 and the second electromagnetic directional valve 4 or other valves can be protected, so that the disassembly and maintenance are prevented from being affected by contamination of impurities.
In the above embodiment, specifically, two fastening screws 105 are provided inside the socket ring 101, and the rotating handle 106 outside the fastening screws 105 is cross-shaped, so that the fastening screws 105 inside the socket ring 101 can be pressed against the connected position when in use, thereby fixing the dust-proof sleeve 94 and the protective sleeve 95 for use.
In the above embodiment, specifically, the outer ring of the second bearing 102 is embedded in the left side of the inside of the sleeve ring 101, and the clamping seat 103 is embedded in the inner ring of the second bearing 102, so that the clamping seat 103 is convenient to mount, rotate and move along with the second bearing while being matched with the second bearing.
In the above embodiment, specifically, the inside hexagon that sets up of joint seat 103, joint seat 103 outer wall on be provided with a word antiskid line, during the use, overlap joint seat 103 on the junction of first electromagnetic directional valve 3, second electromagnetic directional valve 4 or other valves, can drive the junction rotation of joint seat 103, first electromagnetic directional valve 3, second electromagnetic directional valve 4 or other valves through dwang 104 to dismantle the maintenance.
Principle of operation
The utility model discloses a theory of operation: in the using process, the fixed shell 91 is matched with the rotating ring 92 and the dustproof sleeve 94 to be sleeved on the first electromagnetic reversing valve 3, the second electromagnetic reversing valve 4 or other valves, then the fixed shell 91 passes through the bolt fixing position, after the installation is finished, the first electromagnetic reversing valve 3, the second electromagnetic reversing valve 4 or other valves are connected, then the dustproof sleeve 94 and the sheathed sleeve 95 are sleeved at the connecting position, meanwhile, the sheathing ring 101 is matched with the clamping seat 103 to be sleeved on a connected pipeline or valve, finally, the rotating handle 106 is rotated to be matched with the fastening screw 105 to prop against the connecting position, the fixation and protection can be finished, when the first electromagnetic reversing valve 3, the second electromagnetic reversing valve 4 or other valves are required to be matched for disassembly, the clamping seat 103 is sleeved on the first electromagnetic reversing valve 3, the second electromagnetic reversing valve 4 or other valves, and then the clamping seat 103 is driven to rotate by the rotating rod 104, so that the first electromagnetic reversing valve 3, the second electromagnetic reversing valve 4 or other valves can be matched, The second electromagnetic directional valve 4 or other valves are rotated and detached.
Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.
Claims (8)
1. The electro-hydraulic control reversing valve bank for the coal mine hydraulic support is characterized by comprising an integrated block (1), a filter (2), a first electromagnetic reversing valve (3), a second electromagnetic reversing valve (4), a first electromagnetic valve interface (5), a second electromagnetic valve interface (6), a third electromagnetic valve interface (7), an oil receiving port (8), a connecting protective sleeve structure (9) and an auxiliary disassembling fixing ring structure (10), wherein the filter (2) is in threaded connection with the upper right part of the integrated block (1); the first electromagnetic directional valve (3) is in threaded connection with the left side of the upper end of the manifold block (1); the second electromagnetic directional valve (4) is in threaded connection with the lower part of the left end of the manifold block (1); the first electromagnetic valve interface (5) is arranged at the lower left corner in front of the inside of the integrated block (1); the second electromagnetic valve interface (6) is arranged in the middle of the lower front side in the integrated block (1); the inside of the third electromagnetic valve interface (7) is arranged at the middle part of the front left side in the integrated block (1); the oil receiving port (8) is formed in the right side of the upper end of the manifold block (1); the connecting protective sleeve structure (9) is respectively fixed on the outer walls of the first electromagnetic reversing valve (3) and the second electromagnetic reversing valve (4); the auxiliary disassembly fixing ring structure (10) is arranged on the connecting protection sleeve structure (9); the connecting protective sleeve structure (9) comprises a fixed shell (91), a rotating ring (92), a first bearing (93), a dustproof sleeve (94) and a protective sleeve (95), wherein the rotating ring (92) is embedded in an inner ring of the first bearing (93); the outer ring of the first bearing (93) is embedded in the left side of the inside of the fixed shell (91); a protective sleeve (95) is glued and connected to the inner wall of the dustproof sleeve (94); the right ends of the dustproof sleeve (94) and the sheath (95) are respectively glued with the left end of the rotary ring (92).
2. The electrohydraulic reversing valve group for the coal mine hydraulic support according to claim 1, wherein the auxiliary dismounting fixing ring structure (10) comprises a sleeve joint ring (101), a second bearing (102), a clamping seat (103), a rotating rod (104), a fastening screw rod (105) and a rotating handle (106), wherein the sleeve joint ring (101) is glued at the left ends of the dustproof sleeve (94) and the sheathing sleeve (95); the rotating rods (104) are respectively welded at the front end and the rear end of the outer wall of the clamping seat (103); the fastening screw rods (105) are respectively in threaded connection with the front end and the rear end of the right side in the sleeving ring (101); the rotating handle (106) is installed on the outer side of the fastening screw rod (105) through a bolt.
3. The electrohydraulic reversing valve group for the coal mine hydraulic support according to claim 1, wherein the fixing shell (91) is respectively sleeved on the outer walls of the first electromagnetic reversing valve (3) and the second electromagnetic reversing valve (4), and the joint of the fixing shell (91) and the first electromagnetic reversing valve (3) and the second electromagnetic reversing valve (4) is fixed through a bolt.
4. The set of electro-hydraulic directional valves for hydraulic supports for coal mines according to claim 1, wherein the first bearing (93) is fixed between the stationary casing (91) and the rotating ring (92).
5. The electrohydraulic reversing valve group for the coal mine hydraulic support as recited in claim 1, wherein the dust-proof sleeve (94) and the sheathing (95) are respectively made of a PVC plastic sleeve and a metal hose sleeve.
6. The electrohydraulic reversing valve group for the coal mine hydraulic support frame according to claim 2, wherein two fastening screws (105) are arranged in the sleeving ring (101), and a rotary handle (106) on the outer side of each fastening screw (105) is in a cross shape.
7. The electrohydraulic reversing valve group for the coal mine hydraulic support is characterized in that an outer ring of the second bearing (102) is embedded in the left side inside the sleeving ring (101), and the clamping seat (103) is embedded in an inner ring of the second bearing (102).
8. The electrohydraulic reversing valve group for the coal mine hydraulic support frame according to claim 2, wherein the inside of the clamping seat (103) is hexagonal, and the outer wall of the rotating rod (104) on the outer wall of the clamping seat (103) is provided with a straight anti-slip thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120217940.1U CN214464312U (en) | 2021-01-26 | 2021-01-26 | Electro-hydraulic control reversing valve group for coal mine hydraulic support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120217940.1U CN214464312U (en) | 2021-01-26 | 2021-01-26 | Electro-hydraulic control reversing valve group for coal mine hydraulic support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214464312U true CN214464312U (en) | 2021-10-22 |
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ID=78116336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120217940.1U Active CN214464312U (en) | 2021-01-26 | 2021-01-26 | Electro-hydraulic control reversing valve group for coal mine hydraulic support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214464312U (en) |
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2021
- 2021-01-26 CN CN202120217940.1U patent/CN214464312U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 719000 No. 19, Binhe South Road, Daliuta Town, Shenmu City, Yulin City, Shaanxi Province Patentee after: Deerdi Automation Technology Co.,Ltd. Address before: 719000 1803, building 3, block C, South High Tech City, Yuxi Avenue, high tech Industrial Park, Yulin City, Shaanxi Province Patentee before: Deerdi Automation Technology Co.,Ltd. |
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| CP02 | Change in the address of a patent holder |