CN210217799U - Hydraulic support and pushing telescopic linkage type hydraulic system - Google Patents
Hydraulic support and pushing telescopic linkage type hydraulic system Download PDFInfo
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- CN210217799U CN210217799U CN201921296196.8U CN201921296196U CN210217799U CN 210217799 U CN210217799 U CN 210217799U CN 201921296196 U CN201921296196 U CN 201921296196U CN 210217799 U CN210217799 U CN 210217799U
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Abstract
The utility model provides a pushing telescopic linkage type hydraulic system, which comprises a pushing jack liquid inlet and return pipeline, a telescopic jack liquid inlet and return pipeline and a linkage pipeline for communicating the pushing jack liquid inlet and return pipeline and the telescopic jack liquid inlet and return pipeline to form a linkage closed loop; the application provides a pass flexible coordinated type hydraulic system, through installing the linkage pipeline between pass jack advance fluid line and telescopic jack return line, and detach the relief valve of installing on telescopic jack epicoele pipeline and cavity of resorption pipeline among the traditional hydraulic system, so that form closed and linked return circuit between pass jack and the telescopic jack, the impaired and emulsion leakage's of telescopic jack that has avoided the manual maloperation to lead to problem from this leaks, the emergence of potential safety hazard has been stopped, and practice thrift the cost. The utility model provides a hydraulic support including above-mentioned flexible coordinated type hydraulic system of lapse has above-mentioned technological effect.
Description
Technical Field
The utility model relates to a mining equipment technical field, more specifically say, relate to a pass flexible coordinated type hydraulic system. The utility model discloses still relate to a hydraulic support including above-mentioned flexible coordinated type hydraulic system of lapse.
Background
At present, the common hydraulic systems applied to hydraulic supports in the market are roughly divided into two types: the first kind is to dispose the two-way lock and not equip the telescopic jack of the relief valve, because the moving jack enters between the liquid return line and the telescopic jack enters and returns between the liquid return line and does not realize the linkage, therefore, it is very easy to cause the damage of the telescopic jack because of the misoperation; the second type is a telescopic jack which is provided with a bidirectional lock and a safety valve at the same time, although the telescopic jack can be effectively protected, because the equipment cost is high, and the safety valve is in an external discharge type, emulsion in the telescopic jack is easy to leak, so that the environment is polluted, and people slip, and potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a pass flexible coordinated type hydraulic system has solved the problem that leads to the impaired and emulsion of telescopic jack to leak for the maloperation effectively to manufacturing cost has been reduced. Another objective of the present invention is to provide a hydraulic support including the above-mentioned advancing telescopic linkage hydraulic system, which has the above-mentioned technical effects.
The utility model provides a push flexible linkage type hydraulic system, which comprises a push jack, a push jack liquid inlet pipeline, a push jack liquid return pipeline, a first electric hydraulic control reversing valve, a push hydraulic control one-way valve and a safety valve, wherein the first electric hydraulic control reversing valve, the push hydraulic control one-way valve and the safety valve are arranged between the push jack liquid inlet pipeline and the push jack liquid return pipeline;
the hydraulic control system is characterized by further comprising two telescopic jacks, an upper telescopic jack cavity pipeline and a lower telescopic jack cavity pipeline are respectively communicated between the upper cavities of the two telescopic jacks and between the lower cavities of the two telescopic jacks, the lower telescopic jack cavity pipeline is communicated with a telescopic jack liquid inlet pipeline, the upper telescopic jack cavity pipeline is communicated with a telescopic jack liquid return pipeline, and a second electro-hydraulic control reversing valve, a two-way lock and a second safety valve are installed between the telescopic jack liquid inlet pipeline and the telescopic jack liquid return pipeline;
the device also comprises a linkage pipeline which is used for being communicated with the pushing jack liquid inlet pipeline and the telescopic jack liquid return pipeline.
Preferably, the linkage pipeline is a high-pressure rubber pipe.
Preferably, the safety valve is specifically arranged on the liquid return pipeline of the pushing jack.
Preferably, the linkage pipeline is installed on the pushing jack liquid inlet pipeline and the telescopic jack liquid return pipeline through the connecting assembly.
Preferably, the connecting assembly comprises a three-way joint, an intermediate joint in threaded connection with the three-way joint, and a plug and a nut which are installed on the three-way joint.
The utility model also provides a hydraulic support, including above-mentioned arbitrary item pass flexible coordinated type hydraulic system.
Compared with the prior art, the utility model provides a pass flexible coordinated type hydraulic system, through installing the linkage pipeline between the liquid inlet pipeline of pass jack and the flexible jack liquid return pipeline, and unload the relief valve of installing on flexible jack upper chamber pipeline and lower chamber pipeline among the traditional hydraulic system, so that form closed and linked return circuit between pass jack and the flexible jack, because pass jack adopts the installation form of flip-chip, so, when pass jack stretches out, also when the carriage is drawn, the flexible jack realizes linkage recovery, thereby effectively protect the flexible jack, the technical problem that the flexible hydro-cylinder is impaired that leads to artifical maloperation among the prior art has been solved, meanwhile, realize the intercommunication of pass jack liquid inlet pipeline and flexible jack liquid return pipeline through the linkage pipeline, two relief valves of flexible jack configuration have been saved, the cost is saved, the problem of emulsion leakage is effectively solved, and potential safety hazards such as water and soil pollution and personnel slipping caused by leakage are avoided.
The utility model also provides a hydraulic support including above-mentioned flexible coordinated type hydraulic system of lapse, has above-mentioned technological effect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural view of the pushing telescopic linkage hydraulic system provided by the present invention.
Wherein, 1-pushing jack, 2-pushing jack liquid inlet pipeline, 3-pushing jack liquid return pipeline, 4-pushing hydraulic control one-way valve, 5-safety valve, 6-telescopic jack, 7-telescopic jack upper cavity pipeline, 8-telescopic jack lower cavity pipeline, 9-telescopic jack liquid inlet pipeline, 10-telescopic jack liquid return pipeline, 11-bidirectional lock and 12-linkage pipeline.
Detailed Description
It should be noted that the terms "up" and "down" as used herein refer to the up and down directions in fig. 1. All directional terms used herein are based on the common usage of those skilled in the art and the accompanying drawings of the specification, and their presence should not affect the scope of the present invention.
In order to make the technical field of the present invention better understand, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a push telescopic linkage hydraulic system according to the present invention.
The utility model provides a pass flexible coordinated type hydraulic system, advance the liquid return pipeline, flexible jack advances the liquid return pipeline including the advancing jack to and be used for communicating the advancing jack and advance the liquid return pipeline and flexible jack and advance the liquid return pipeline, with the linkage pipeline 12 that forms the closed return circuit of linkage.
Specifically, the pushing jack liquid inlet and return pipeline comprises a pushing jack 1, an upper cavity and a lower cavity of the pushing jack 1 are respectively provided with a pushing jack liquid return pipeline 3 and a pushing jack liquid inlet pipeline 2, and a first electric-hydraulic control reversing valve, a pushing hydraulic control one-way valve 4 and a safety valve 5 are arranged between the pushing jack liquid inlet pipeline 2 and the pushing jack liquid return pipeline 3.
In addition, an upper telescopic jack cavity pipeline 7 is communicated between upper cavities of the two telescopic jacks 6, a lower telescopic jack cavity pipeline 8 is communicated between lower cavities of the two telescopic jacks 6, the lower telescopic jack cavity pipeline 8 is communicated with a telescopic jack liquid inlet pipeline 9, the upper telescopic jack cavity pipeline 7 is communicated with a telescopic jack liquid return pipeline 10, and a second electro-hydraulic control reversing valve and a two-way lock 11 are installed between the telescopic jack liquid inlet pipeline 9 and the telescopic jack liquid return pipeline 10.
The two ends of the linkage pipeline 12 are respectively communicated with the pushing jack liquid inlet pipeline 2 and the telescopic jack liquid return pipeline 10.
This application utilizes linkage pipeline 12 to realize advancing jack liquid inlet pipe 2 and telescopic jack liquid return pipe 10's intercommunication, it adopts the flip-chip mounting means to advance jack 1, realize advancing jack 1 and telescopic jack 6's linkage from this, in other words, when advancing jack 1 and stretching out (also draw the frame), the action is retrieved automatically to telescopic jack 6, prevent that staff's maloperation from leading to telescopic jack 6 impaired, protect telescopic jack 6 effectively, and the cost is saved, the life of extension equipment. In addition, under the communication effect of the linkage pipeline 12, the hydraulic system forms a closed loop, so that the safety and environmental protection problems caused by the leakage of emulsion are avoided, the potential safety hazard is avoided, and the large-scale popularization and application in the hydraulic support industry are easy to realize.
Preferably, the linkage pipeline 12 is a high-pressure rubber pipe to increase the connection strength.
Specifically, the safety valve 5 is mounted on the pushing jack liquid return pipeline 3.
Above-mentioned link line 12 and pass and link to each other through coupling assembling between jack liquid inlet pipe way 2 and the telescopic jack liquid return pipe way 10, particularly, coupling assembling includes three way connection, with three way connection threaded connection's intermediate head, install in three way connection's end cap and nut, and overcoat, intermediate head, the tee bend, the elbow, parts such as U type card, under coupling assembling's mutually supporting locking effect, realize link line 12 and pass the firm connection between jack liquid inlet pipe way 2 and the telescopic jack liquid return pipe way 10, avoided the weeping condition to take place.
It is right above that the utility model provides a hydraulic support and pass flexible coordinated type hydraulic system have introduced in detail. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (6)
1. A pushing and telescoping linkage type hydraulic system is characterized by comprising a pushing jack (1), a pushing jack liquid inlet pipeline (2), a pushing jack liquid return pipeline (3), a first electro-hydraulic control reversing valve, a pushing hydraulic control one-way valve (4) and a safety valve (5), wherein the first electro-hydraulic control reversing valve, the pushing hydraulic control one-way valve and the safety valve are arranged between the pushing jack liquid inlet pipeline (2) and the pushing jack liquid return pipeline (3);
the hydraulic control jack is characterized by further comprising two telescopic jacks (6), an upper telescopic jack cavity pipeline (7) and a lower telescopic jack cavity pipeline (8) are respectively communicated between the upper cavities of the two telescopic jacks (6) and between the lower cavities of the two telescopic jacks (6), the lower telescopic jack cavity pipeline (8) is communicated with a telescopic jack liquid inlet pipeline (9), the upper telescopic jack cavity pipeline (7) is communicated with a telescopic jack liquid return pipeline (10), and a second electro-hydraulic control reversing valve and a two-way lock (11) are installed between the telescopic jack liquid inlet pipeline (9) and the telescopic jack liquid return pipeline (10);
the device also comprises a linkage pipeline (12) which is used for being communicated with the pushing jack liquid inlet pipeline (2) and the telescopic jack liquid return pipeline (10).
2. The push extension linkage type hydraulic system as claimed in claim 1, wherein the linkage pipeline (12) is a high-pressure rubber hose.
3. A thrust telescopic linkage hydraulic system according to claim 2, characterised in that the safety valve (5) is arranged in particular on the thrust jack return line (3).
4. A pushing extension linkage type hydraulic system as claimed in any one of claims 1 to 3, wherein the linkage pipeline (12) is mounted on the pushing jack liquid inlet pipeline (2) and the extension jack liquid return pipeline (10) through connecting components.
5. The push expansion linkage type hydraulic system as claimed in claim 4, wherein the connecting assembly comprises a three-way joint, an intermediate joint in threaded connection with the three-way joint, a plug and a nut which are mounted on the three-way joint.
6. A hydraulic support, characterized by comprising the push-and-stretch linkage hydraulic system as claimed in any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921296196.8U CN210217799U (en) | 2019-08-08 | 2019-08-08 | Hydraulic support and pushing telescopic linkage type hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921296196.8U CN210217799U (en) | 2019-08-08 | 2019-08-08 | Hydraulic support and pushing telescopic linkage type hydraulic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210217799U true CN210217799U (en) | 2020-03-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921296196.8U Active CN210217799U (en) | 2019-08-08 | 2019-08-08 | Hydraulic support and pushing telescopic linkage type hydraulic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210217799U (en) |
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2019
- 2019-08-08 CN CN201921296196.8U patent/CN210217799U/en active Active
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