CN213954033U - Hydraulic control braking control valve group - Google Patents
Hydraulic control braking control valve group Download PDFInfo
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- CN213954033U CN213954033U CN202023236772.5U CN202023236772U CN213954033U CN 213954033 U CN213954033 U CN 213954033U CN 202023236772 U CN202023236772 U CN 202023236772U CN 213954033 U CN213954033 U CN 213954033U
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Abstract
The utility model discloses a hydraulic control valve group for the lorry hangs, contains: a valve block; the oil inlet passage and the oil return passage are arranged in the valve block and respectively penetrate through the valve block, oil inlets at two ends of the oil inlet passage are respectively positioned on two opposite side surfaces of the valve block, and oil return ports at two ends of the oil return passage are respectively positioned on two opposite side surfaces of the valve block; the oil outlets are distributed on the front side of the valve block; the hydraulic control reversing valves are arranged on the top surface of the valve block, the input end of each hydraulic control reversing valve is connected into the oil inlet channel, and the two output ends of each hydraulic control reversing valve are respectively connected into the oil return channel and the oil outlet. The utility model has compact structure, small volume and easier processing, improves the production efficiency and saves the cost; meanwhile, the oil circuit switching is realized through the reversing of the hydraulic control reversing valve, the set pressure can be adjusted, the hydraulic control reversing valve is suitable for various vehicle types, and the insufficient braking effect caused by the pressure loss of the pipeline can be compensated.
Description
Technical Field
The utility model relates to a truck mounted crane technical field, in particular to hydraulic control valve group.
Background
A truck-mounted crane (crane truck), which is a device for lifting, revolving and hoisting goods by a hydraulic lifting and telescoping system, is generally assembled on a truck and generally comprises a truck chassis, a truck compartment, a power takeoff, a crane and the like. The truck-mounted crane is widely applied to various loading, engineering construction, rescue and other scenes, however, in the prior art, the hydraulic control brake valve bank for the truck-mounted crane is mostly formed by combining a three-position four-way plate type hydraulic control reversing valve with non-adjustable pressure and a valve block, the volume is large, the mass is heavy, great inconvenience is brought to transportation and installation, the application range and the loading of the truck-mounted crane and a transport vehicle are greatly limited, the appearance is very attractive, the product image manufactured in China is not favorably improved, the earning of foreign exchange is not favorably realized, and the economic benefit is greatly influenced. Moreover, the hydraulic control pressure cannot be adjusted for different vehicle types, and the applicability is poor.
Disclosure of Invention
According to the embodiment of the utility model provides a hydraulic control valve group for the lorry hangs, contains:
a valve block;
the oil inlet passage and the oil return passage are arranged in the valve block and respectively penetrate through the valve block, oil inlets at two ends of the oil inlet passage are respectively positioned on two opposite side surfaces of the valve block, and oil return ports at two ends of the oil return passage are respectively positioned on two opposite side surfaces of the valve block;
the oil outlets are distributed on the front side of the valve block;
the hydraulic control reversing valves are arranged on the top surface of the valve block, the input end of each hydraulic control reversing valve is connected into the oil inlet channel, and the two output ends of each hydraulic control reversing valve are respectively connected into the oil return channel and the oil outlet.
Further, the valve block is a cuboid, a plurality of mounting holes are formed in the valve block, and the mounting holes penetrate through the top face and the bottom face of the valve block and are used for fixing the valve block.
Furthermore, the oil inlet at two ends of the oil inlet channel and the oil return port at two ends of the oil return channel are respectively positioned on the same side surface of the valve block.
Further, a plurality of hydraulic control reversing valves are arranged on the top surface of the valve block along the extending direction of the oil inlet channel and the oil return channel.
Furthermore, the hydraulic control reversing valves correspond to the oil outlets one by one.
Furthermore, the hydraulic control reversing valve is an adjustable plug-in type hydraulic control reversing valve.
Further, the set pressure adjusting range of the hydraulic control reversing valve is 3-15 bar.
Further, the method also comprises the following steps: the plurality of choke plugs are arranged on the fabrication holes generated in the valve block manufacturing process, and the plurality of choke plugs are correspondingly arranged inside the choke plugs respectively.
The hydraulic control braking control valve group according to the embodiment of the utility model has the advantages of compact structure, small volume, easier processing, improved production efficiency and saved cost; meanwhile, the oil circuit switching is realized through the reversing of the hydraulic control reversing valve, the set pressure can be adjusted, the hydraulic control reversing valve is suitable for various vehicle types, and the insufficient braking effect caused by the pressure loss of the pipeline can be compensated.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and are intended to provide further explanation of the claimed technology.
Drawings
Fig. 1 is a front view of a hydraulic control brake control valve pack according to an embodiment of the present invention;
fig. 2 is a top view of a hydraulic control brake control valve assembly according to an embodiment of the present invention;
fig. 3 is a bottom view of a hydraulic control brake control valve assembly according to an embodiment of the present invention;
fig. 4 is a left side view of a hydraulic control brake control valve pack according to an embodiment of the present invention;
fig. 5 is a right side view of a hydraulic control brake control valve pack according to an embodiment of the present invention;
fig. 6 is a schematic diagram of a conduit of a hydraulic control braking control valve assembly according to an embodiment of the present invention.
Detailed Description
The present invention will be further described with reference to the following detailed description of preferred embodiments thereof, which is to be read in connection with the accompanying drawings.
First, will combine fig. 1~6 to describe according to the utility model discloses a liquid accuse braking valve unit for the lorry hangs, is applicable to the lorry crane of various motorcycle types, and its application scene is very wide.
As shown in FIGS. 1-6, the hydraulic control braking control valve set of the embodiment of the present invention comprises a valve block 1, an oil inlet passage P-P, an oil return passage T-T, a plurality of oil outlets A, and a plurality of hydraulic control directional valves 2.
Specifically, as shown in fig. 1 to 5, the valve block 1 is a rectangular parallelepiped, a plurality of mounting holes 11 are formed in the valve block 1, and the mounting holes 11 penetrate through the top surface and the bottom surface of the valve block 1 to fix the valve block 1. In this embodiment, the valve block 1 is made of an aluminum alloy material, so that the valve block is easier to process, has shorter processing time, improves the efficiency and saves the cost.
Specifically, as shown in fig. 4 to 6, the oil inlet passage P-P and the oil return passage T-T are disposed in the valve block 1 and respectively penetrate through the valve block 1, oil inlets at two ends of the oil inlet passage P-P are respectively located at two opposite side surfaces of the valve block 1, and oil return ports at two ends of the oil return passage T-T are respectively located at two opposite side surfaces of the valve block 1.
Further, as shown in fig. 4 and 5, the oil inlet P at the two ends of the oil inlet passage P-P and the oil return port T at the two ends of the oil return passage T-T are respectively located on the same side surface of the valve block 1.
Specifically, as shown in fig. 1, a plurality of oil outlets a are distributed on the front surface of the valve block 1, and the oil outlets a are connected with a brake of a truck crane. In the present embodiment, as shown in fig. 6, a plurality of hydraulic control directional control valves 2 and a plurality of oil outlets a correspond to one another.
Specifically, as shown in fig. 2 and 6, the plurality of hydraulic control directional control valves 2 are arranged on the top surface of the valve block 1, the input end of each hydraulic control directional control valve 2 is connected to the oil inlet channel P-P, and the two output ends of each hydraulic control directional control valve 2 are respectively connected to the oil return channel T-T and the oil outlet a. In the embodiment, the hydraulic control directional control valve 2 is an adjustable plug-in type hydraulic control directional control valve. Furthermore, the set pressure adjusting range of the hydraulic control reversing valve 2 is 3-15 bar, the hydraulic control reversing valve can adapt to various vehicle types, and meanwhile, due to the fact that the hydraulic control reversing valve is adjustable, the brake effect caused by pressure loss of pipelines can be made up to be insufficient.
Further, as shown in fig. 1 and 2, the hydraulic control reversing valves 2 are arranged on the top surface of the valve block 1 along the extending direction of the oil inlet passage P-P and the oil return passage T-T, and the hydraulic control reversing valve is compact in structure, attractive in appearance and small in size.
Further, the utility model discloses hydraulic control braking valve unit still has: the valve block 1 comprises a plurality of plugs 3 and a plurality of throttling plugs 4, wherein the plugs 3 are arranged on fabrication holes generated in the manufacturing process of the valve block 1 in a covering mode, and the throttling plugs 4 are respectively and correspondingly arranged inside the plugs 3.
When the hydraulic control reversing valve works, oil way switching is realized through reversing of the hydraulic control reversing valve 2, and therefore braking is realized. When the hydraulic control reversing valve 2 is not powered on, the brake is communicated with the oil return channel T-T and is in a non-pressure state, the brake is in a release state, when the pressure of the hydraulic control reversing valve 2 reaches 3.5bar, the hydraulic control reversing valve 2 realizes reversing, the pressure oil of the oil inlet channel P-P is communicated with the oil outlet A, the brake realizes braking, and the buffer is realized during braking instead of one-time braking through the throttle plug 3. In the debugging process of the vehicle, the set pressure of the hydraulic control reversing valve 2 is adjusted according to a field test so as to achieve the best effect.
In the above, the hydraulic control braking control valve group according to the embodiment of the present invention is described with reference to fig. 1 to 6, which has the advantages of compact structure, small volume, easier processing, improved production efficiency and cost saving; meanwhile, the oil circuit switching is realized through the reversing of the hydraulic control reversing valve, the set pressure can be adjusted, the hydraulic control reversing valve is suitable for various vehicle types, and the insufficient braking effect caused by the pressure loss of the pipeline can be compensated.
It should be noted that, in the present specification, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
While the present invention has been described in detail with reference to the preferred embodiments thereof, it should be understood that the above description should not be taken as limiting the present invention. Numerous modifications and alterations to the present invention will become apparent to those skilled in the art upon reading the foregoing description. Accordingly, the scope of the invention should be limited only by the attached claims.
Claims (8)
1. A hydraulic control valve group for a truck mounted crane, comprising:
a valve block;
the oil inlet passage and the oil return passage are arranged in the valve block and respectively penetrate through the valve block, oil inlets at two ends of the oil inlet passage are respectively positioned on two opposite side surfaces of the valve block, and oil return ports at two ends of the oil return passage are respectively positioned on two opposite side surfaces of the valve block;
the oil outlets are distributed on the front face of the valve block;
the hydraulic control reversing valves are arranged on the top surface of the valve block, the input end of each hydraulic control reversing valve is connected to the oil inlet channel, and the two output ends of each hydraulic control reversing valve are respectively connected to the oil return channel and the oil outlet.
2. The pilot-controlled brake control valve group as recited in claim 1, wherein the valve block is a rectangular parallelepiped, and a plurality of mounting holes are provided on the valve block, and the mounting holes penetrate through the top surface and the bottom surface of the valve block for fixing the valve block.
3. The pilot-controlled brake control valve group of claim 1, wherein the oil inlet at both ends of the oil inlet channel and the oil return at both ends of the oil return channel are respectively located on the same side of the valve block.
4. A pilot-operated brake control valve group according to claim 1, wherein the plurality of pilot-operated directional control valves are arranged on the top surface of the valve block in the extending direction of the oil inlet passage and the oil return passage.
5. The pilot-controlled brake control valve group of claim 1, wherein the plurality of pilot-controlled directional control valves and the plurality of oil outlets are in one-to-one correspondence.
6. The pilot operated brake control valve pack of claim 1, wherein the pilot operated directional control valve is an adjustable cartridge pilot operated directional control valve.
7. The pilot-controlled brake control valve group as defined in claim 6, wherein the set pressure of the pilot-controlled directional control valve is adjusted within a range of 3-15 bar.
8. The pilot operated brake control valve pack of claim 1, further comprising: the valve block comprises a plurality of plugs and a plurality of throttling plugs, wherein the plurality of plugs are arranged on process holes generated in the manufacturing process of the valve block, and the plurality of throttling plugs are respectively and correspondingly arranged inside the plugs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023236772.5U CN213954033U (en) | 2020-12-29 | 2020-12-29 | Hydraulic control braking control valve group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023236772.5U CN213954033U (en) | 2020-12-29 | 2020-12-29 | Hydraulic control braking control valve group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213954033U true CN213954033U (en) | 2021-08-13 |
Family
ID=77195028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023236772.5U Active CN213954033U (en) | 2020-12-29 | 2020-12-29 | Hydraulic control braking control valve group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213954033U (en) |
-
2020
- 2020-12-29 CN CN202023236772.5U patent/CN213954033U/en active Active
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