CN211231069U - Hydraulic oil way reversing and returning mechanism for coal mine hydraulic grouting pump - Google Patents
Hydraulic oil way reversing and returning mechanism for coal mine hydraulic grouting pump Download PDFInfo
- Publication number
- CN211231069U CN211231069U CN201922172694.8U CN201922172694U CN211231069U CN 211231069 U CN211231069 U CN 211231069U CN 201922172694 U CN201922172694 U CN 201922172694U CN 211231069 U CN211231069 U CN 211231069U
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- Prior art keywords
- guide rod
- return
- grouting pump
- guide bar
- hydraulic
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- Expired - Fee Related
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- 230000007246 mechanism Effects 0.000 title claims abstract description 26
- 239000010720 hydraulic oil Substances 0.000 title claims description 23
- 239000003245 coal Substances 0.000 title claims description 13
- 238000000034 method Methods 0.000 claims description 9
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 239000003921 oil Substances 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000008569 process Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model provides a hydraulic pressure oil circuit switching-over return mechanism for colliery hydraulic grouting pump, switching-over return mechanism sets up on the two-position cross valve of grouting pump, reciprocating type hydraulic cylinder connection on two-position cross valve and the grouting pump, switching-over return mechanism wears to establish the guide bar cover on two fixed plates including setting up two fixed plates, vertical fixation in reciprocating type hydraulic cylinder one side perpendicularly, slides and wears to establish the guide bar in the guide bar cover and set up the return subassembly on the guide bar, and the return subassembly sets up the dead lever between two fixed plates including the return spring and the horizontal stand that the slope set up on the guide bar body of rod, and return spring top articulates on the dead lever, and the bottom of return spring inclines towards the direction of two-position cross valve to pass behind the guide bar cover and be connected with the body of rod of guide bar, still be provided. The utility model discloses can in time accomplish the case return of two-position cross valve, the reciprocating type hydraulic cylinder of cooperation can keep the circulation switching-over of two-position cross valve.
Description
Technical Field
The utility model relates to a coal mine equipment technical field specifically is a hydraulic pressure oil circuit switching-over return mechanism for colliery hydraulic grouting pump.
Background
The hydraulic grouting pump for coal mine uses pressure to accurately inject easily solidified substance or mixture into cracks and cavities of rock strata or soil so as to achieve the purposes of reducing water seepage and consolidating rock strata and soil. The method is mainly suitable for coal mine containing gas, well construction and underground waterproof engineering, and can also be used for tunnel excavation and maintenance, foundation treatment for building dams, large bridges and high-rise buildings, various underground engineering and the like. The slurry suction and discharge of the existing grouting pump are driven by adopting a hydraulic oil cylinder as power, the hydraulic oil cylinder needs to realize reciprocating motion through a two-position four-way valve, the two-position four-way valve used on the existing grouting pump is a manual reversing valve needing external force, a valve core of the two-position four-way valve can be pulled out by matching with the hydraulic oil cylinder in the using process, the reversing of the two-position four-way valve is completed, but the valve core returning process of the two-position four-way valve cannot be well completed, and the cyclic reversing is blocked.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model aims at providing a hydraulic pressure oil circuit switching-over return mechanism for colliery hydraulic grouting pump can in time accomplish the case return of two position cross valves, and the reciprocating type hydraulic cylinder of cooperation can keep the circulation switching-over of two position cross valves.
The utility model discloses a solve the technical scheme who takes of above-mentioned problem and do: a hydraulic oil circuit reversing return mechanism for a coal mine hydraulic grouting pump is arranged on a two-position four-way valve of the grouting pump and is connected with a reciprocating hydraulic oil cylinder on the grouting pump, the reversing return mechanism comprises two fixed plates vertically arranged on one side of the reciprocating hydraulic oil cylinder, guide rod sleeves vertically and fixedly arranged on the two fixed plates, a guide rod slidably arranged in the guide rod sleeves and a return assembly arranged on the guide rod, wherein one end of the guide rod is connected with the end part of a valve core on the two-position four-way valve through a connecting sheet to drive the valve core to slide, the return assembly comprises a return spring obliquely arranged on a rod body of the guide rod and a fixed rod horizontally erected between the two fixed plates, the top end of the return spring is hinged on the fixed rod, and the bottom end of the return spring inclines towards the direction of the two-position four, the positioning rod is vertically arranged on the guide rod, a positioning ring is sleeved on a piston column of the reciprocating hydraulic oil cylinder and is connected with the positioning rod, so that the guide rod is pushed to slide through the positioning ring and the positioning rod in the advancing process of the piston column of the reciprocating hydraulic oil cylinder, a valve core of the two-position four-way valve is pulled out, and the guide rod is pushed to return through a return assembly in the retreating process of the piston column of the reciprocating hydraulic oil cylinder, so that the valve core of the two-position four-way valve is reset.
Preferably, the other end of the guide rod penetrates through the guide rod sleeve, and the limiting ball with the diameter larger than the inner diameter of the guide rod sleeve is arranged at the end of the guide rod.
Preferably, at least two groups of return assemblies are arranged on the guide rod, and the two groups of return assemblies are respectively arranged on the upper side and the lower side of the guide rod.
Preferably, a sliding groove for the positioning rod to horizontally slide is horizontally formed in the position, located on the positioning rod, of the guide rod sleeve.
Preferably, the installation directions of the guide rod and the guide rod sleeve are consistent with the sliding direction of the valve core on the two-position four-way valve.
Preferably, one end of the two-position four-way valve adjacent to the guide rod is arranged in the guide rod sleeve, a tension spring is arranged at the end of the guide rod, the tension spring is arranged in the guide rod sleeve, one end of the tension spring is fixedly connected to the end of the guide rod, and the other end of the tension spring is hinged to the connecting piece.
Preferably, the connecting piece is hinged with a valve core on the two-position four-way valve through a hinge lug.
Preferably, two end parts of the return spring are respectively provided with a connecting seat, the top end of the return spring is hinged on the fixed rod through the connecting seats, and the bottom end of the return spring is fixed on the guide rod through the connecting seats.
Compared with the prior art, the utility model discloses following beneficial effect has:
a hydraulic pressure oil circuit switching-over return mechanism for colliery hydraulic grouting pump, set up switching-over return mechanism on two-position cross valve, can guarantee under the effect of return spring that the guide bar in time replies to the normal position after pulling out, the case that drives two-position cross valve resumes to the normal position, accomplish the switching-over of once accomplishing, and adopt the elasticity flexible coupling of extension spring structure between guide bar and the connection piece, can avoid the guide bar sliding speed too fast and cause the injury to the case of two-position cross valve, overall structure is simple and practical, it is very good to use the effect on colliery grouting pump.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the overlooking installation connection structure of the present invention;
the labels in the figure are: 1. the device comprises a two-position four-way valve, 2, a reciprocating hydraulic oil cylinder, 3, a fixing plate, 4, a guide rod sleeve, 5, a guide rod, 6, a connecting sheet, 7, a return spring, 71, a connecting seat, 8, a fixing rod, 9, a positioning rod, 10, a positioning ring, 11, a limiting ball, 12 and a tension spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in the figure, the utility model relates to a hydraulic pressure oil circuit switching-over return mechanism for colliery hydraulic grouting pump, switching-over return mechanism sets up on two-position cross valve 1 of grouting pump, reciprocating type hydraulic cylinder 2 on two-position cross valve 1 and the grouting pump is connected its characterized in that: the reversing return mechanism comprises two fixed plates 3 vertically arranged on one side of a reciprocating hydraulic oil cylinder 2, a guide rod sleeve 4 vertically and fixedly arranged on the two fixed plates 3, a guide rod 5 slidably arranged in the guide rod sleeve 4 and a return assembly arranged on the guide rod 5, wherein one end of the guide rod 5 is connected with the end part of a valve core on the two-position four-way valve 1 through a connecting sheet 6 so as to drive the valve core to slide, the return assembly comprises a return spring 7 obliquely arranged on a rod body of the guide rod 5 and a fixed rod 8 horizontally erected between the two fixed plates 3, the top end of the return spring 7 is hinged on the fixed rod 8, the bottom end of the return spring 7 inclines towards the direction of the two-position four-way valve 1 and is connected with the rod body of the guide rod 5 after penetrating through the guide rod sleeve 4, a positioning rod 9 is also vertically arranged on the guide rod 5, and a positioning ring, the positioning ring 10 is connected with the positioning rod 9, so that the guide rod 5 is pushed to slide through the positioning ring 10 and the positioning rod 9 in the advancing process of the piston column of the reciprocating hydraulic oil cylinder 2, the valve core of the two-position four-way valve 1 is pulled out, and the guide rod 5 is pushed to return through the return assembly in the retreating process of the piston column of the reciprocating hydraulic oil cylinder 2, so that the valve core of the two-position four-way valve 1 is reset.
The above is the basic embodiment of the present invention, and further improvement, optimization or limitation can be made on the above technical solutions.
Furthermore, the other end of the guide rod 5 penetrates through the guide rod sleeve 4, and the end of the guide rod 5 is provided with a limiting ball 11 with the diameter larger than the inner diameter of the guide rod sleeve 4.
Furthermore, at least two groups of return assemblies are arranged on the guide rod 5, and the two groups of return assemblies are respectively arranged on the upper side and the lower side of the guide rod 5.
Furthermore, a sliding groove for the positioning rod 9 to slide horizontally is horizontally arranged at the position of the positioning rod 9 on the guide rod sleeve 4.
Furthermore, the arrangement directions of the guide rod 5 and the guide rod sleeve 4 are consistent with the sliding direction of the valve core on the two-position four-way valve 1.
Further, the one end setting of the adjacent two-position cross valve 1 of guide bar 5 is in the inside of guide bar cover 4, and this end of guide bar 5 is provided with extension spring 12, extension spring 12 sets up in the inside of guide bar cover 4, and extension spring 12 one end fixed connection is at the 5 tip of guide bar, and the other end is articulated with connection piece 6.
Further, the connecting sheet 6 is hinged with a valve core on the two-position four-way valve 1 through a hinge lug.
Furthermore, two end portions of the return spring 7 are respectively provided with a connecting seat 71, the top end of the return spring 7 is hinged on the fixing rod 8 through the connecting seat 71, and the bottom end of the return spring 7 is fixed on the guide rod 5 through the connecting seat 71.
A hydraulic pressure oil circuit switching-over return mechanism for colliery hydraulic grouting pump, set up switching-over return mechanism on two-position cross valve, can guarantee under the effect of return spring that the guide bar in time replies to the normal position after pulling out, the case that drives two-position cross valve resumes to the normal position, accomplish the switching-over of once accomplishing, and adopt the elasticity flexible coupling of extension spring structure between guide bar and the connection piece, can avoid the guide bar sliding speed too fast and cause the injury to the case of two-position cross valve, overall structure is simple and practical, it is very good to use the effect on colliery grouting pump.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a hydraulic pressure oil circuit switching-over return mechanism for colliery hydraulic grouting pump, switching-over return mechanism sets up on two-position cross valve (1) of grouting pump, reciprocating type hydraulic cylinder (2) on two-position cross valve (1) and the grouting pump are connected its characterized in that: the reversing return mechanism comprises two fixing plates (3) vertically arranged on one side of the reciprocating hydraulic oil cylinder (2), a guide rod sleeve (4) vertically and fixedly arranged on the two fixing plates (3), a guide rod (5) slidably arranged in the guide rod sleeve (4) and a return assembly arranged on the guide rod (5), wherein one end of the guide rod (5) is connected with the end part of a valve core on the two-position four-way valve (1) through a connecting sheet (6) to drive the valve core to slide, the return assembly comprises a return spring (7) obliquely arranged on the rod body of the guide rod (5) and a fixing rod (8) horizontally erected between the two fixing plates (3), the top end of the return spring (7) is hinged on the fixing rod (8), the bottom end of the return spring (7) inclines towards the direction of the two-position four-way valve (1) and is connected with the rod body of the guide rod (5) after penetrating through the guide rod sleeve (4), still be provided with locating lever (9) perpendicularly on guide bar (5), the cover is equipped with holding ring (10) on the piston post of reciprocating hydraulic cylinder (2), holding ring (10) meet with locating lever (9) to in the piston post of reciprocating hydraulic cylinder (2) advances the in-process, promote guide bar (5) through holding ring (10) and locating lever (9) and slide, pull out the case of two-position cross valve (1), and at the piston post backset in-process of reciprocating hydraulic cylinder (2), promote guide bar (5) return through the return subassembly, reset the case of two-position cross valve (1).
2. The hydraulic oil way reversing and returning mechanism for the coal mine hydraulic grouting pump according to claim 1, characterized in that: the other end of the guide rod (5) penetrates through the guide rod sleeve (4) to be arranged, and the limiting ball (11) with the diameter larger than the inner diameter of the guide rod sleeve (4) is arranged at the other end of the guide rod (5).
3. The hydraulic oil way reversing and returning mechanism for the coal mine hydraulic grouting pump according to claim 1, characterized in that: at least two groups of return assemblies are arranged on the guide rod (5), and the two groups of return assemblies are respectively arranged on the upper side and the lower side of the guide rod (5).
4. The hydraulic oil way reversing and returning mechanism for the coal mine hydraulic grouting pump according to claim 1, characterized in that: a sliding groove for the positioning rod (9) to horizontally slide is horizontally arranged at the position of the positioning rod (9) on the guide rod sleeve (4).
5. The hydraulic oil way reversing and returning mechanism for the coal mine hydraulic grouting pump according to claim 1, characterized in that: the arrangement directions of the guide rod (5) and the guide rod sleeve (4) are consistent with the sliding direction of the valve core on the two-position four-way valve (1).
6. The hydraulic oil way reversing and returning mechanism for the coal mine hydraulic grouting pump according to claim 1, characterized in that: the one end setting of two adjacent cross valves (1) of guide bar (5) is in the inside of guide bar cover (4), and this end of guide bar (5) is provided with extension spring (12), extension spring (12) set up in the inside of guide bar cover (4), and extension spring (12) one end fixed connection is at guide bar (5) tip, and the other end is articulated with connection piece (6).
7. The hydraulic oil way reversing and returning mechanism for the coal mine hydraulic grouting pump according to claim 1, characterized in that: the connecting piece (6) is hinged with the valve core on the two-position four-way valve (1) through a hinge lug.
8. The hydraulic oil way reversing and returning mechanism for the coal mine hydraulic grouting pump according to claim 1, characterized in that: two end parts of the return spring (7) are respectively provided with a connecting seat (71), the top end of the return spring (7) is hinged on the fixing rod (8) through the connecting seats (71), and the bottom end of the return spring (7) is fixed on the guide rod (5) through the connecting seats (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922172694.8U CN211231069U (en) | 2019-12-06 | 2019-12-06 | Hydraulic oil way reversing and returning mechanism for coal mine hydraulic grouting pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922172694.8U CN211231069U (en) | 2019-12-06 | 2019-12-06 | Hydraulic oil way reversing and returning mechanism for coal mine hydraulic grouting pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211231069U true CN211231069U (en) | 2020-08-11 |
Family
ID=71923273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922172694.8U Expired - Fee Related CN211231069U (en) | 2019-12-06 | 2019-12-06 | Hydraulic oil way reversing and returning mechanism for coal mine hydraulic grouting pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211231069U (en) |
-
2019
- 2019-12-06 CN CN201922172694.8U patent/CN211231069U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200811 |
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| CF01 | Termination of patent right due to non-payment of annual fee |