CN210013878U - Fault detection valve block for hydraulic system - Google Patents
Fault detection valve block for hydraulic system Download PDFInfo
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- CN210013878U CN210013878U CN201822159624.4U CN201822159624U CN210013878U CN 210013878 U CN210013878 U CN 210013878U CN 201822159624 U CN201822159624 U CN 201822159624U CN 210013878 U CN210013878 U CN 210013878U
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- 238000001514 detection method Methods 0.000 title claims abstract description 26
- 238000007789 sealing Methods 0.000 claims abstract description 25
- 238000004891 communication Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 7
- 239000003921 oil Substances 0.000 description 75
- 238000009530 blood pressure measurement Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000013024 troubleshooting Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The utility model discloses a fault detection valve block for hydraulic system relates to hydraulic equipment technical field, include: a valve stand; the valve group comprises a first valve, a second valve and a third valve, wherein the first valve, the second valve and the third valve are sequentially arranged on the valve platform in a superposed manner; a valve block body disposed between the valve table and the valve block, wherein the valve block body comprises: the first oil passages respectively penetrate through the upper surface and the lower surface of the valve block body; a plurality of second oil passages; the sealing grooves are correspondingly arranged outside the first oil way, and the sealing grooves and the first oil way are concentrically arranged. The hydraulic system fault can be rapidly checked, and the economic loss caused by overlong fault time is reduced; whether the leakage phenomenon exists in the valve table can be detected, and the technical effect of the efficiency of the maintenance work of the hydraulic equipment in the later period is improved.
Description
Technical Field
The utility model belongs to the technical field of hydraulic equipment, especially, relate to a fault detection valve block for hydraulic system.
Background
The hydraulic system functions to increase the force by changing the pressure. A complete hydraulic system consists of five parts, namely a power element, an actuator, a control element, an auxiliary element (attachment) and hydraulic oil. The hydraulic transmission system in the hydraulic system has the main function of transmitting power and motion. The hydraulic control system is designed to provide a hydraulic system output that meets specific performance requirements.
However, the prior art has at least the following technical problems:
the current hydraulic system all designs and leaves the pressure measuring point, but the position, quantity, form etc. of pressure measuring point have the limitation, inconvenient maintenance to hydraulic system. Meanwhile, in the field of valve block manufacturing, a better tool for detecting the quality of a finished product is not available temporarily.
Disclosure of Invention
The embodiment of the application solves the technical problems that the position, the number, the form and the like of pressure measuring points of a hydraulic system in the prior art are limited and the maintenance of the hydraulic system is inconvenient, and achieves the purposes of rapidly troubleshooting the hydraulic system and reducing the economic loss caused by overlong failure time; whether the leakage phenomenon exists in the valve table can be detected, and the technical effect of the efficiency of the maintenance work of the hydraulic equipment in the later period is improved.
The embodiment of the utility model provides a fault detection valve block for hydraulic system, include: a valve stand; the valve group comprises a first valve, a second valve and a third valve, wherein the first valve, the second valve and the third valve are sequentially arranged on the valve platform in a superposed manner; the valve block body, the valve block body sets up the valve platform with between the valves, just, the valve block body is hexahedron structure, wherein, the valve block body includes: the first oil passages are arranged through the upper surface and the lower surface of the valve block body; the second oil passages are respectively arranged on the first side surface, the second side surface, the third side surface and the fourth side surface of the valve block body; the sealing grooves are correspondingly arranged outside the first oil way, and the sealing grooves and the first oil way are concentrically arranged.
Preferably, the diameter of the seal groove is larger than the diameter of the first oil passage.
Preferably, the depth of the first oil passage is greater than the depth of the seal groove.
Preferably, the sealing groove can accommodate a sealing ring therein.
Preferably, a thread is formed on the inner wall of the first oil way at a position close to the end part; and the inner wall of the second oil way is provided with threads at the position close to the end part.
Preferably, the first oil path and the second oil path are connected with one end of a pressure measuring joint through the screw thread.
Preferably, the first oil passage and the second oil passage are correspondingly communicated with the inside of the valve block body.
The embodiment of the utility model provides an in above-mentioned one or more technical scheme, have following one or more technological effect at least:
the embodiment of the utility model provides a fault detection valve block for hydraulic system, including valve platform, valves and valve block body, wherein the valves include first valve, second valve and third valve, and three valves top-down stack and set up on the valve platform; and then install the valve block body between valve platform and valves, wherein, the valve block body includes: the valve block comprises a valve block body, a plurality of first oil passages, a plurality of second oil passages and a plurality of sealing grooves, wherein each first oil passage penetrates through the upper surface and the lower surface of the valve block body, the sealing grooves are concentrically arranged outside the first oil passages, the second oil passages are respectively arranged on a first side face, a second side face, a third side face and a fourth side face of the valve block body, and the second oil passages are communicated with the first oil passages inside the valve block body. Furthermore, internal threads are formed in the positions of the third end part and the fifth end part of the second oil path and the first oil path, the internal threads can be connected with a pressure measuring joint during working, and when the operation condition of the oil path of the hydraulic system needs to be detected, the pressure and the on-off condition in the hydraulic system can be directly detected after the valve block body is installed; if the inside oil circuit of valve platform is colluded when going wrong, can't confirm the fault point, can with three valve all demolish after, install the valve block body alone on the valve platform, install the pressure measurement and connect the pressure measurement line again, can confirm the trouble. Therefore, the technical problems that the position, the number, the form and the like of pressure measuring points of the hydraulic system in the prior art are limited and the maintenance of the hydraulic system is inconvenient are solved, the faults of the hydraulic system can be rapidly checked, and the economic loss caused by overlong fault time is reduced; whether the leakage phenomenon exists in the valve table can be detected, and the technical effect of the efficiency of the maintenance work of the hydraulic equipment in the later period is improved.
The above description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following detailed description of the present invention is given.
Drawings
Fig. 1 is a schematic structural diagram of a fault detection valve block for a hydraulic system according to an embodiment of the present invention;
fig. 2 is a side view of a fault detection valve block for a hydraulic system according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view taken at A in FIG. 2;
fig. 4 is an installation schematic diagram of a fault detection valve block for a hydraulic system according to an embodiment of the present invention.
Description of reference numerals: 1-a valve stand; 21-a first valve; 22-a second valve; 23-a third valve; 3-valve block body; 31-a first oil passage; 32-a second oil path; 33-seal groove.
Detailed Description
The embodiment of the application provides a fault detection valve block for a hydraulic system for solving the technical problems that the position, the number, the form and the like of a pressure measuring point of the hydraulic system in the prior art are limited and the hydraulic system is inconvenient to maintain.
The embodiment of the utility model provides an in technical scheme, overall structure as follows: passing through a valve station; the valve group comprises a first valve, a second valve and a third valve, wherein the first valve, the second valve and the third valve are sequentially arranged on the valve platform in a superposed manner; the valve block body, the valve block body sets up the valve platform with between the valves, just, the valve block body is hexahedron structure, wherein, the valve block body includes: the first oil passages are arranged through the upper surface and the lower surface of the valve block body; the second oil passages are respectively arranged on the first side surface, the second side surface, the third side surface and the fourth side surface of the valve block body; the sealing grooves are correspondingly arranged outside the first oil way, and the sealing grooves and the first oil way are concentrically arranged. The hydraulic system fault can be rapidly checked, and the economic loss caused by overlong fault time is reduced; whether the leakage phenomenon exists in the valve table can be detected, and the technical effect of the efficiency of the maintenance work of the hydraulic equipment in the later period is improved.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. 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.
Example one
Referring to fig. 1, the fault detection valve block for a hydraulic system includes:
the valve assembly comprises a valve table 1 and a valve assembly, wherein the valve assembly comprises a first valve 21, a second valve 22 and a third valve 23, and the first valve 21, the second valve 22 and the third valve 23 are sequentially arranged on the valve table 1 in a superposed mode.
Specifically, the valve block 1 is a supporting device of the valve block, the valve block comprises three valves, namely a first valve 21, a second valve 22 and a third valve 23 from top to bottom, wherein the first valve 21 is a reversing valve, the second valve 22 is a one-way valve, the third valve 23 is a speed regulating valve, and the three valves are mounted on the valve block 1 in a superposed manner.
The valve block body 3 is arranged between the valve platform 1 and the valve group.
Further, the valve block body 3 is of a hexahedral structure.
Further, the valve block body 3 includes: a plurality of first oil passages 31, each of the first oil passages 31 being provided through upper and lower surfaces of the valve block body 3; and a plurality of second oil passages 32, wherein the second oil passages 32 are respectively provided on the first side surface, the second side surface, the third side surface, and the fourth side surface of the valve block body 3.
Further, the inner walls of the first oil path 31 and the second oil path 32 are threaded near the end portions.
Further, the first oil path 31 and the second oil path 32 are connected to one end of a pressure measuring joint through the screw.
Further, the first oil passage 31 and the second oil passage 32 are in communication with the inside of the valve block body 3.
Specifically, valve block body 1 does the main operating structure of fault detection valve block, through with valve block body 3 sets up valve platform 1 with between the valves, valve block body 3's appearance is a cuboid structure, mainly includes a plurality of first oil circuit 31, second oil circuit 32, seal groove 33, and is specific, a plurality of first oil circuit 31 all runs through the upper and lower surface of valve block body 3 is used for detecting the system valve block when necessary. For example, when five first oil paths 31 are formed in the valve block body 3, the five first oil paths 31 are five oil paths of the valve block body 3, and then internal threads are formed in positions, close to the top, of the five first oil paths 31, and the internal threads are G1/4 through hole threads, so that a pressure measuring joint can be mounted in the detection process; as shown in fig. 2 and 3, the second oil paths 32 and the first oil paths 21 are equal in number and are communicated with each other in the valve block body 3 in a one-to-one correspondence manner, and similarly, an internal thread is provided at a position, close to the top, of an inner wall of the second oil path 32, and is connected with one end of a pressure measuring joint through the internal thread, so that the other end of the pressure measuring joint can be connected with a pressure gauge, and when the valve block body 3 works, the second oil path 32 and the first oil path 21 can be used as pressure measuring points during working according to actual working requirements.
And a plurality of seal grooves 33, wherein the seal grooves 33 are correspondingly arranged outside the first oil path 31, and the seal grooves 33 are concentrically arranged with the first oil path 31.
Further, the diameter of the seal groove 33 is larger than the diameter of the first oil passage 31.
Further, the sealing groove 33 may accommodate a sealing ring therein.
Further, the depth of the first oil passage 31 is greater than the depth of the seal groove 33.
Specifically, the sealing groove 33 is disposed on the outer ring of the first oil path 31, and the opening depth of the sealing groove 33 is smaller than the hole depth of the first oil path 31, that is, the sealing groove 33 and the first oil path 31 have the same central axis, so that the number of the sealing groove 33 is equal to the number of the first oil paths 31, and the diameter of the sealing groove 33 is larger than the diameter of the first oil path 31, for example, when the first oil path 31 is provided with G1/4 threads, a groove body with a diameter of 15.8mm and a depth of 2mm can be selected as a specific size of the sealing groove 33, and since the inside of the sealing groove 33 has a certain accommodating space, a sealing ring can be accommodated in the accommodating space of the sealing groove 33.
Further, when the fault detection valve block needs to be used, the valve block corresponding to the hydraulic system can be manufactured firstly; then processing and manufacturing a pressure measuring point on the fault detection valve block; namely, after a detection valve block is manufactured according to the element size of a hydraulic system to be detected, the fault detection valve block is installed in the valve bank during fault troubleshooting, and pressure measurement is carried out on the hydraulic system; meanwhile, when the hydraulic system is designed, the design concept of the fault detection valve block can be added into a necessary important equipment control system, and faults can be rapidly checked. For example, as shown in fig. 4, the two P/T paths in the figure have no pressure measurement points, and cannot detect the operation condition of the oil path, and after the fault detection valve block is additionally installed, the pressure of the two P/T paths and the on-off condition of the oil path can be directly detected; for another example, when there is a problem in the P/T oil passage in the valve stand 1, the failure point cannot be confirmed, wherein the three hydraulic valves of the first valve 21, the second valve 22 and the third valve 23 also have an influence on the confirmation of the problem. All the three valves can be detached, the fault detection valve block is independently installed on the valve table 1, pressure measuring joints are installed on five interfaces of the first oil way, and then the pressure measuring lines are connected, so that the fault can be confirmed, the fault of the hydraulic system can be rapidly checked through the fault detection valve block, and economic loss caused by overlong fault time is reduced; the fault detection valve block can be put into a factory workshop for manufacturing the valve block and used for detecting whether a leakage phenomenon exists in the valve block or not; furthermore, the design concept of the fault detection valve block can be applied to the principle design of a hydraulic system and the design and manufacture of hydraulic elements such as valves and valve blocks, and the efficiency of the maintenance work of later-stage hydraulic equipment is improved.
The embodiment of the utility model provides an in above-mentioned one or more technical scheme, have following one or more technological effect at least:
the embodiment of the utility model provides a fault detection valve block for hydraulic system, including valve platform, valves and valve block body, wherein the valves include first valve, second valve and third valve, and three valves stack from top to bottom and set up on the valve platform; and then install the valve block body between valve platform and valves, wherein, the valve block body includes: the hydraulic pressure detection valve comprises a valve block body, a plurality of first oil passages, a plurality of second oil passages and a plurality of sealing grooves, wherein each first oil passage penetrates through the upper surface and the lower surface of the valve block body, the sealing grooves are concentrically arranged outside the first oil passages, the second oil passages are respectively arranged on the first side surface, the second side surface, the third side surface and the fourth side surface of the valve block body, the second oil passages are communicated with the first oil passages inside the valve block body, further, internal threads are arranged at the three five end parts of the second oil passages and the first oil passages, and can be connected with a pressure measuring joint during working; if the inside oil circuit of valve platform is colluded when going wrong, can't confirm the fault point, can with three valve all demolish after, install the valve block body alone on the valve platform, install the pressure measurement and connect the pressure measurement line again, can confirm the trouble. Therefore, the technical problems that the position, the number, the form and the like of pressure measuring points of the hydraulic system in the prior art are limited and the maintenance of the hydraulic system is inconvenient are solved, the faults of the hydraulic system can be rapidly checked, and the economic loss caused by overlong fault time is reduced; whether the leakage phenomenon exists in the valve table can be detected, and the technical effect of the efficiency of the maintenance work of the hydraulic equipment in the later period is improved.
While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention.
It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (7)
1. A fault detection valve block for a hydraulic system, comprising:
a valve stand;
the valve group comprises a first valve, a second valve and a third valve, wherein the first valve, the second valve and the third valve are sequentially arranged on the valve platform in a superposed manner;
the valve block body, the valve block body sets up the valve platform with between the valves, just, the valve block body is hexahedron structure, wherein, the valve block body includes:
the first oil passages are arranged through the upper surface and the lower surface of the valve block body;
the second oil passages are respectively arranged on the first side surface, the second side surface, the third side surface and the fourth side surface of the valve block body;
the sealing grooves are correspondingly arranged outside the first oil way, and the sealing grooves and the first oil way are concentrically arranged.
2. The fault-detecting valve block of claim 1, wherein a diameter of the seal groove is larger than a diameter of the first oil passage.
3. The fault-detecting valve block of claim 1, wherein a depth of the first oil passage is greater than a depth of the seal groove.
4. The fault-detecting valve block of claim 1, wherein the seal groove receives a seal ring therein.
5. The fault-detecting valve block according to claim 1, wherein the inner wall of the first oil passage is threaded near an end thereof;
and the inner wall of the second oil way is provided with threads at the position close to the end part.
6. The fault-detecting valve block according to claim 5, wherein the first oil passage and the second oil passage are connected to one end of a pressure measuring joint through the screw threads, respectively.
7. The fault-detecting valve block according to claim 1, wherein the first oil passage and the second oil passage are in corresponding communication with an interior of the valve block body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822159624.4U CN210013878U (en) | 2018-12-21 | 2018-12-21 | Fault detection valve block for hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822159624.4U CN210013878U (en) | 2018-12-21 | 2018-12-21 | Fault detection valve block for hydraulic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210013878U true CN210013878U (en) | 2020-02-04 |
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ID=69312018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822159624.4U Active CN210013878U (en) | 2018-12-21 | 2018-12-21 | Fault detection valve block for hydraulic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210013878U (en) |
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2018
- 2018-12-21 CN CN201822159624.4U patent/CN210013878U/en active Active
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