CN216382094U - Hydraulic testing device for oil cylinder of horizontal hydraulic jack - Google Patents
Hydraulic testing device for oil cylinder of horizontal hydraulic jack Download PDFInfo
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- CN216382094U CN216382094U CN202123142945.1U CN202123142945U CN216382094U CN 216382094 U CN216382094 U CN 216382094U CN 202123142945 U CN202123142945 U CN 202123142945U CN 216382094 U CN216382094 U CN 216382094U
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Abstract
The utility model discloses a hydraulic testing device for an oil cylinder of a horizontal hydraulic jack, which comprises a workbench, wherein a fixing unit, a hydraulic cylinder mounting frame and a pressure sensor are arranged on the workbench, an oil cylinder component to be tested is limited on the workbench by the fixing unit, a hydraulic cylinder is fixedly arranged on the hydraulic cylinder mounting frame, a hydraulic cylinder piston rod inclines downwards, a manual pump connecting seat is arranged at the lower end of the hydraulic cylinder piston rod, a limiting pore passage is downwards arranged on the manual pump connecting seat, a connecting block is downwards movably inserted in the limiting pore passage, the lower edge of the connecting block is provided with a notch, a hydraulic manual pump of the oil cylinder component to be tested is positioned in the notch of the connecting block, and the connecting block is positioned between two positioning sleeves; the pressure sensor is opposite to the piston rod of the oil cylinder. The hydraulic cylinder provides power for the hydraulic manual pump, so that the hydraulic manual pump can pump oil of the oil cylinder of the horizontal hydraulic jack more simply and more labor-saving, the operation efficiency is greatly improved, and the labor cost is reduced.
Description
Technical Field
The utility model relates to the field of hydraulic testing devices for oil cylinders, in particular to a hydraulic testing device for an oil cylinder of a horizontal hydraulic jack.
Background
The structure of the horizontal hydraulic jack, as in the patent document with Chinese patent application number 201320512852.X, including trailing arm and hydro-cylinder, the hydro-cylinder is fixed on a buttockss frame, still installs the hydraulic pressure hand pump that is used for going into the hydro-cylinder with the oil pump on the buttockss frame, and the hydro-cylinder has the piston rod, and the piston rod and the trailing arm of hydro-cylinder are connected, and during operation, through a handle hydraulic pressure hand pump, make oil feed in the hydro-cylinder, the piston rod of hydro-cylinder stretches out, and the piston rod drive trailing arm that stretches out rises. In the production process of the jack, whether the jack is a horizontal hydraulic jack or a vertical hydraulic jack, in order to detect the quality of the used oil cylinder, the hydraulic pressure of the oil cylinder is often required to be tested before installation. And (3) hydraulic testing of the oil cylinder, namely, after a certain amount of oil is pumped into the oil cylinder, the quality of the oil cylinder is judged by observing the pressure drop condition of the oil cylinder after a certain time. In the hydraulic test of the oil cylinder of the existing horizontal hydraulic jack, the oil cylinder is manually pumped, and is separated from the horizontal hydraulic jack, so that when the oil cylinder is manually pumped, the manual oil pumping is carried out independently, the manual oil pumping is not assisted by a handle, the operation is very complicated, and time and labor are wasted.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a hydraulic testing device for an oil cylinder of a horizontal hydraulic jack.
The technical scheme for realizing the purpose of the utility model is as follows: a hydraulic testing device for an oil cylinder of a horizontal hydraulic jack is used for testing the pressure of the oil cylinder of the horizontal hydraulic jack, one end of the oil cylinder of the horizontal hydraulic jack is fixedly arranged on a hip frame, the oil cylinder of the horizontal hydraulic jack and the hip frame form a T shape, the other end of the oil cylinder of the horizontal hydraulic jack is provided with an extended oil cylinder piston rod, the hip frame is provided with a hydraulic manual pump for pumping oil into the oil cylinder, two positioning sleeves are fixedly arranged on the hydraulic manual pump along the stroke direction of the hydraulic manual pump by a spacer sleeve, oil cylinders of the hydraulic manual pump and the horizontal hydraulic jack are respectively positioned at two sides of the hip frame, the oil cylinder of the horizontal hydraulic jack is horizontally arranged, the hydraulic manual pump is obliquely and upwards arranged, and the oil cylinder of the horizontal hydraulic jack, the hip frame and the hydraulic manual pump form an oil cylinder assembly to be tested;
the hydraulic testing device for the oil cylinder of the horizontal hydraulic jack comprises a workbench, wherein a fixing unit, a hydraulic cylinder mounting frame and a pressure sensor are mounted on the workbench, the fixing unit comprises two fixing seats which are arranged at intervals, limiting through grooves are vertically formed in the opposite inner walls of the two fixing seats, the oil cylinder component to be tested is arranged between the two fixing seats, and two end parts of the hip frame of the oil cylinder component to be tested are respectively clamped in the two limiting through grooves of the two fixing seats; the hydraulic cylinder mounting frame is fixedly provided with a hydraulic cylinder, the hydraulic cylinder is provided with a hydraulic cylinder piston rod, the hydraulic cylinder piston rod inclines downwards, the stroke of the hydraulic cylinder piston rod is parallel to that of the hydraulic manual pump, the lower end of the hydraulic cylinder piston rod is provided with a manual pump connecting seat, the horizontal position of the manual pump connecting seat is higher than that of the positioning sleeve of the hydraulic manual pump, a limiting pore passage which is communicated up and down is arranged on the manual pump connecting seat, a connecting block is movably inserted downwards in the limiting pore passage, the lower edge of the connecting block is provided with a notch, the width of the notch is larger than the diameter of the hydraulic manual pump and smaller than the outer diameters of the two positioning sleeves, the hydraulic manual pump is positioned in the notch of the connecting block, and the connecting block is positioned between the two positioning sleeves; the pressure sensor is located on the running path of the oil cylinder piston rod, and the pressure sensor is over against the oil cylinder piston rod.
Further, the fixing base includes fixing base body and T shape adjusting block, fixing base body fixed mounting in on the workstation, fixing base body inboard has the vertical groove of T shape, T shape adjusting block install in the vertical groove of T shape, with fixing base body joint, spacing logical groove set up in on the T shape adjusting block. The T-shaped adjusting block is clamped with the fixing seat body, and the T-shaped adjusting block can be flexibly disassembled and assembled from the fixing seat body; under this setting, can be according to the different models of the oil cylinder subassembly that awaits measuring, change T shape adjusting block makes the oil cylinder subassembly that awaits measuring of each different width all can settle in detect on the fixing base, lets the hydraulic pressure testing arrangement application scope of horizontal hydraulic jack's hydro-cylinder is wider.
Further, the notch is a U-shaped notch. The U-shaped notch is more convenient to process.
Further, an end mounting frame is installed at the lower end of the piston rod of the hydraulic cylinder, and the manual pump connecting seat is installed on the end mounting frame. The manual pump connecting seat can be directly installed on the lower end of the hydraulic cylinder piston rod, and can also be installed on the lower end of the hydraulic cylinder piston rod through the end installation frame.
Further, install the guide bar on the tip mounting bracket, the guide bar with the parallel of pneumatic cylinder piston rod, install the uide bushing on the pneumatic cylinder mounting bracket, the guide bar activity passes the uide bushing. When the piston rod of the hydraulic cylinder stretches, the guide rod moves in the guide sleeve; the arrangement of the guide rod and the guide sleeve can limit the operation of the piston rod of the hydraulic cylinder, so that the operation of the piston rod of the hydraulic cylinder is more stable.
According to the hydraulic testing device for the oil cylinder of the horizontal hydraulic jack, the oil cylinder of the horizontal hydraulic jack is limited on the workbench through the fixing unit, the hydraulic manual pump is driven by the hydraulic cylinder, so that the hydraulic manual pump can continuously pump oil, the oil is pumped into the oil cylinder of the horizontal hydraulic jack, a piston rod of the oil cylinder extends out, and the pressure sensor is jacked; and then, the pressure sensor senses the top pressure of the piston rod of the oil cylinder in real time, so that the pressure change condition of the oil cylinder of the horizontal hydraulic jack can be detected, and the pressure drop condition and quality of the oil cylinder of the horizontal hydraulic jack can be further detected. According to the hydraulic testing device for the oil cylinder of the horizontal hydraulic jack, the hydraulic cylinder provides power for the hydraulic manual pump, so that the hydraulic manual pump can pump oil of the oil cylinder of the horizontal hydraulic jack more simply and more conveniently, labor is saved, the operation efficiency is greatly improved, and the labor cost is reduced.
Drawings
FIG. 1 is a schematic structural diagram of an oil cylinder assembly to be tested;
FIG. 2 is a schematic perspective view of a hydraulic testing device for a cylinder of the horizontal hydraulic jack according to the present invention;
FIG. 3 is a left side view schematic diagram of the hydraulic testing device for the oil cylinder of the horizontal hydraulic jack according to the present invention;
FIG. 4 is a schematic structural diagram of a top view of the hydraulic testing device for the oil cylinder of the horizontal hydraulic jack according to the present invention;
FIG. 5 is a schematic view of a connection structure between a manual pump connection base and a hydraulic manual pump in a hydraulic testing device of an oil cylinder of the horizontal hydraulic jack according to the present invention at a first viewing angle;
FIG. 6 is a schematic view of a connection structure of a manual pump connection seat, a connection block and a hydraulic manual pump in a second view angle of the hydraulic testing device of the oil cylinder of the horizontal hydraulic jack according to the present invention;
FIG. 7 is a schematic view of an assembly structure of a manual pump connecting seat, a connecting block and a hydraulic manual pump in the hydraulic testing device of the oil cylinder of the horizontal hydraulic jack according to the present invention;
fig. 8 is a schematic sectional structure view of a manual pump connecting seat and a connecting block in the hydraulic testing device of the oil cylinder of the horizontal hydraulic jack of the present invention.
Detailed Description
The following describes a preferred embodiment of the hydraulic testing device for the cylinder of the horizontal hydraulic jack according to the present invention in detail with reference to the accompanying drawings:
as shown in fig. 1 to 8, a hydraulic testing device for an oil cylinder of a horizontal hydraulic jack is used for testing the pressure of the oil cylinder 100 of the horizontal hydraulic jack, one end of the oil cylinder 100 of the horizontal hydraulic jack is fixedly mounted on a hip frame 101, the oil cylinder 100 of the horizontal hydraulic jack and the hip frame 101 form a T shape, the other end of the oil cylinder 100 of the horizontal hydraulic jack is provided with an extended cylinder piston rod 1001, a hydraulic manual pump 102 for pumping oil into the oil cylinder is mounted on the hip frame 101, two locating sleeves 1021 are fixedly sleeved on the hydraulic manual pump 102 along the stroke direction of the hydraulic manual pump 102 at intervals, the hydraulic manual pump 102 and the oil cylinder 100 of the horizontal hydraulic jack are respectively located at two sides of the hip frame 101, the oil cylinder 100 of the horizontal hydraulic jack is horizontally arranged, the hydraulic manual pump 102 is obliquely arranged upwards, and the oil cylinder 100 of the horizontal hydraulic jack is located at two sides of the hip frame 101, The hip frame 101 and the hydraulic manual pump 102 form an oil cylinder assembly to be tested;
the hydraulic testing device for the oil cylinder of the horizontal hydraulic jack comprises a workbench 10, wherein a fixing unit 1, a hydraulic cylinder mounting rack 20 and a pressure sensor 3 are mounted on the workbench 10, the fixing unit 1 comprises two fixing seats 11 which are arranged at intervals, limiting through grooves 110 are vertically formed in the opposite inner walls of the two fixing seats 11, the oil cylinder component to be tested is arranged between the two fixing seats 11, and two end parts of the hip frame 101 of the oil cylinder component to be tested are respectively clamped in the two limiting through grooves 110 of the two fixing seats 11; the hydraulic cylinder mounting rack 20 is fixedly provided with a hydraulic cylinder 2, the hydraulic cylinder 2 is provided with a hydraulic cylinder piston rod 21, the hydraulic cylinder piston rod 21 inclines downwards, the stroke of the hydraulic cylinder piston rod 21 is parallel to the stroke of the hydraulic manual pump 102, the lower end of the hydraulic cylinder piston rod 21 is provided with a manual pump connecting seat 22, the horizontal position of the manual pump connecting seat 22 is higher than the horizontal position of the positioning sleeve 1021 of the hydraulic manual pump 102, the manual pump connecting seat 22 is provided with a vertically through limiting hole passage 221, a connecting block 23 is movably inserted downwards in the limiting hole passage 221, the lower edge of the connecting block 23 is provided with a notch 231, the width D1 of the notch 231 is larger than the diameter D2 of the hydraulic manual pump 102 and smaller than the outer diameters D3 of the two positioning sleeves 1021, the hydraulic manual pump 102 is positioned in the notch 231 of the connecting block 23, the connecting block 23 is positioned between the two positioning sleeves 1021; the pressure sensor 3 is located on a running path of the oil cylinder piston rod 1001, and the pressure sensor 3 is over against the oil cylinder piston rod 1001.
According to the hydraulic testing device for the oil cylinder of the horizontal hydraulic jack, the oil cylinder assembly to be tested is of the existing structure, and the number of hydraulic manual pumps 102 in the oil cylinder assembly to be tested is usually two.
According to the hydraulic testing device for the oil cylinder of the horizontal hydraulic jack, the width D1 of the notch 231 of the connecting block 23 is larger than the diameter D2 of the hydraulic manual pump 102 and smaller than the outer diameter D3 of the two positioning sleeves 1021, in the testing process, the connecting block 23 is inserted into the limiting hole channel 221, the hydraulic manual pump 102 penetrates through the notch 231 of the connecting block 23, after the connecting block 23 is positioned between the two positioning sleeves 1021, and under the limiting effect of the two positioning sleeves 1021, when the hydraulic cylinder 2 moves, the connecting block 23 can drive the hydraulic manual pump 102 to achieve telescopic movement, so that oil pumping operation is achieved.
According to the hydraulic testing device for the oil cylinder of the horizontal hydraulic jack, when the oil cylinder component to be tested is tested, the oil cylinder component to be tested is arranged on the workbench 10 and between the two fixing seats 11 of the fixing unit 1, and two end parts of the hip frame 101 of the oil cylinder component to be tested are respectively clamped and fixed in the two limiting through grooves 110 of the two fixing seats 11; then, after the hydraulic cylinder 2 is moved down to a certain position, the connecting block 23 is stopped, and the connecting block 23 is inserted into the limiting hole 221 of the manual pump connecting seat 22 at the lower end of the hydraulic cylinder piston rod 21, so that the hydraulic manual pump 102 is located in the gap 231 of the connecting block 23, the connecting block 23 is erected on the hydraulic manual pump 102, and the connecting block 23 is located between the two positioning sleeves 1021. Then, the hydraulic cylinder 2 acts to drive the connecting block 23 and the positioning sleeve 1021 in sequence, so that the hydraulic manual pump 102 makes reciprocating telescopic motion, and oil pumping of the oil cylinder 100 of the horizontal hydraulic jack is realized. After oil enters the oil cylinder 100 of the horizontal hydraulic jack, a piston rod 1001 of the oil cylinder extends out to press the pressure sensor 3; and then the hydraulic cylinder 2 stops operating, and the change of the pressure value sensed by the pressure sensor 3 after a certain time is observed, namely the pressure dropping condition of the hydraulic cylinder 2 after a certain time is observed. In general, the larger the dropping pressure value of the hydraulic cylinder 2 after a certain time, the worse the sealing performance of the hydraulic cylinder 2; the smaller the dropping pressure value of the hydraulic cylinder 2 after a certain time, the better the sealing performance of the hydraulic cylinder 2 is.
After the hydraulic testing device for the oil cylinder of the horizontal hydraulic jack is tested, the connecting block 23 is only required to be drawn out from the limiting hole channel 221 of the manual pump connecting seat 22, and then the oil cylinder 100 of the horizontal hydraulic jack is taken down from the workbench 10.
According to the hydraulic testing device for the oil cylinder of the horizontal hydraulic jack, the oil cylinder 100 of the horizontal hydraulic jack is limited on the workbench 10 through the fixing unit 1, the hydraulic manual pump 102 is driven by the hydraulic cylinder 2, so that the hydraulic manual pump 102 can continuously pump oil, the oil is pumped into the oil cylinder 100 of the horizontal hydraulic jack, the piston rod 1001 of the oil cylinder extends out, and the pressure sensor 3 is pressed; and then, the pressure sensor 3 senses the top pressure of the oil cylinder piston rod 1001 in real time, so that the pressure change condition of the oil cylinder 100 of the horizontal hydraulic jack can be detected, and the pressure drop condition and the quality of the oil cylinder 100 of the horizontal hydraulic jack can be further detected. According to the hydraulic testing device for the oil cylinder of the horizontal hydraulic jack, the hydraulic cylinder 2 provides power for the hydraulic manual pump 102, so that the hydraulic manual pump 102 can pump oil for the oil cylinder 100 of the horizontal hydraulic jack more simply and more easily, the operation efficiency is greatly improved, and the labor cost is reduced.
In the hydraulic testing device for the oil cylinder of the horizontal hydraulic jack, preferably, the fixing base 11 includes a fixing base body 111 and a T-shaped adjusting block 112, the fixing base body 111 is fixedly installed on the workbench 10, a T-shaped vertical groove 1111 is formed in the inner side of the fixing base body 111, the T-shaped adjusting block 112 is installed in the T-shaped vertical groove 1111 and clamped with the fixing base body 111, and the limiting through groove 110 is formed in the T-shaped adjusting block 112. The T-shaped adjusting block 112 is clamped with the fixing seat body 111, and the T-shaped adjusting block 112 can be flexibly disassembled and assembled from the fixing seat body 111; under the arrangement, the T-shaped adjusting block 112 can be replaced according to different types of the oil cylinder assemblies to be tested, so that the oil cylinder assemblies to be tested with different widths can be arranged on the fixed seat 11 for detection, and the application range of the hydraulic testing device of the oil cylinder of the horizontal hydraulic jack is wider.
According to the hydraulic testing device for the oil cylinder of the horizontal hydraulic jack, the two fixed seats 11 of the fixed unit 1 can be completely identical or not.
According to the hydraulic testing device for the oil cylinder of the horizontal hydraulic jack, the limiting hole channel 221 and the connecting block 23 can be perpendicular to the piston rod 21 of the hydraulic cylinder, and can also be non-perpendicular. Usually, when the hydraulic cylinder 2 moves, the connecting block 23 may be in surface-to-surface contact with the two positioning sleeves 1021 to drive the positioning sleeves 1021 and the hydraulic manual pump 102, and in general, both the limiting hole 221 and the connecting block 23 may be perpendicular to the hydraulic cylinder piston rod 21, and in this structure, the connecting block 23 may be vertically inserted between the two positioning sleeves 1021 of the hydraulic manual pump 102.
According to the hydraulic testing device for the oil cylinder of the horizontal hydraulic jack, the notch 231 can be a U-shaped notch generally. The U-shaped notch is more convenient to process.
According to the hydraulic testing device for the oil cylinder of the horizontal hydraulic jack, disclosed by the utility model, preferably, the lower end of the piston rod 21 of the hydraulic cylinder is provided with the end mounting frame 211, and the manual pump connecting seat 22 is arranged on the end mounting frame 211. The manual pump connecting seat 22 may be directly mounted on the lower end of the hydraulic cylinder piston rod 21, or may be mounted on the lower end of the hydraulic cylinder piston rod 21 through the end mounting bracket 211, so as to facilitate mounting of other structures such as the manual pump connecting seat 22, the end mounting bracket 211 is usually mounted on the lower end of the hydraulic cylinder piston rod 21, and then the other structures such as the manual pump connecting seat 22 are mounted on the end mounting bracket 211.
According to the hydraulic testing device for the oil cylinder of the horizontal hydraulic jack, the end mounting frame 211 is preferably provided with the guide rod 24, the guide rod 24 is parallel to the piston rod 21 of the hydraulic cylinder, the hydraulic cylinder mounting frame 20 is provided with the guide sleeve 201, and the guide rod 24 movably penetrates through the guide sleeve 201. When the hydraulic cylinder piston rod 21 extends, the guide rod 24 moves on the guide sleeve 201; the arrangement of the guide rod 24 and the guide sleeve 201 can limit the operation of the hydraulic cylinder piston rod 21, so that the operation of the hydraulic cylinder piston rod 21 is more stable.
According to the hydraulic testing device for the oil cylinder of the horizontal hydraulic jack, disclosed by the utility model, the pressure sensor 3 is used for sensing the jacking pressure of the oil cylinder piston rod 1001 in real time, transmitting the sensed pressure signal to the control unit, and transmitting the pressure value to the display unit through the control unit for displaying. Since the pressure detection system is a conventional technology, the present invention will not be described in detail.
For those skilled in the art to which the utility model pertains, several simple deductions or substitutions can be made without departing from the spirit of the utility model, and all should be considered as belonging to the protection scope of the utility model.
Claims (5)
1. A hydraulic testing device for an oil cylinder of a horizontal hydraulic jack is used for testing the pressure of the oil cylinder of the horizontal hydraulic jack, one end of the oil cylinder of the horizontal hydraulic jack is fixedly arranged on a hip frame, the oil cylinder of the horizontal hydraulic jack and the hip frame form a T shape, the other end of the oil cylinder of the horizontal hydraulic jack is provided with an extended oil cylinder piston rod, the hip frame is provided with a hydraulic manual pump for pumping oil into the oil cylinder, two positioning sleeves are fixedly arranged on the hydraulic manual pump along the stroke direction of the hydraulic manual pump by a spacer sleeve, oil cylinders of the hydraulic manual pump and the horizontal hydraulic jack are respectively positioned at two sides of the hip frame, the oil cylinder of the horizontal hydraulic jack is horizontally arranged, the hydraulic manual pump is obliquely and upwards arranged, and the oil cylinder of the horizontal hydraulic jack, the hip frame and the hydraulic manual pump form an oil cylinder assembly to be tested; the method is characterized in that:
the hydraulic testing device for the oil cylinder of the horizontal hydraulic jack comprises a workbench, wherein a fixing unit, a hydraulic cylinder mounting frame and a pressure sensor are mounted on the workbench, the fixing unit comprises two fixing seats which are arranged at intervals, limiting through grooves are vertically formed in the opposite inner walls of the two fixing seats, the oil cylinder component to be tested is arranged between the two fixing seats, and two end parts of the hip frame of the oil cylinder component to be tested are respectively clamped in the two limiting through grooves of the two fixing seats; the hydraulic cylinder mounting frame is fixedly provided with a hydraulic cylinder, the hydraulic cylinder is provided with a hydraulic cylinder piston rod, the hydraulic cylinder piston rod inclines downwards, the stroke of the hydraulic cylinder piston rod is parallel to that of the hydraulic manual pump, the lower end of the hydraulic cylinder piston rod is provided with a manual pump connecting seat, the horizontal position of the manual pump connecting seat is higher than that of the positioning sleeve of the hydraulic manual pump, a limiting pore passage which is communicated up and down is arranged on the manual pump connecting seat, a connecting block is movably inserted downwards in the limiting pore passage, the lower edge of the connecting block is provided with a notch, the width of the notch is larger than the diameter of the hydraulic manual pump and smaller than the outer diameters of the two positioning sleeves, the hydraulic manual pump is positioned in the notch of the connecting block, and the connecting block is positioned between the two positioning sleeves; the pressure sensor is located on the running path of the oil cylinder piston rod, and the pressure sensor is over against the oil cylinder piston rod.
2. The hydraulic pressure test device of the cylinder of the horizontal hydraulic jack according to claim 1, characterized in that: the fixing base includes fixing base body and T shape adjusting block, fixing base body fixed mounting in on the workstation, fixing base body inboard has T shape vertical slot, T shape adjusting block install in the T shape vertical slot, with fixing base body joint, spacing logical groove set up in on the T shape adjusting block.
3. The hydraulic pressure test device of the cylinder of the horizontal hydraulic jack according to claim 1, characterized in that: the notch is a U-shaped notch.
4. The hydraulic pressure test device of the cylinder of the horizontal hydraulic jack according to claim 1, characterized in that: an end mounting frame is installed at the lower end of the piston rod of the hydraulic cylinder, and the manual pump connecting seat is installed on the end mounting frame.
5. The hydraulic pressure test device of the cylinder of the horizontal hydraulic jack according to claim 4, characterized in that: the end part mounting frame is provided with a guide rod, the guide rod is parallel to a piston rod of the hydraulic cylinder, the hydraulic cylinder mounting frame is provided with a guide sleeve, and the guide rod movably penetrates through the guide sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123142945.1U CN216382094U (en) | 2021-12-15 | 2021-12-15 | Hydraulic testing device for oil cylinder of horizontal hydraulic jack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123142945.1U CN216382094U (en) | 2021-12-15 | 2021-12-15 | Hydraulic testing device for oil cylinder of horizontal hydraulic jack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216382094U true CN216382094U (en) | 2022-04-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123142945.1U Active CN216382094U (en) | 2021-12-15 | 2021-12-15 | Hydraulic testing device for oil cylinder of horizontal hydraulic jack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216382094U (en) |
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2021
- 2021-12-15 CN CN202123142945.1U patent/CN216382094U/en active Active
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Address after: 350000 workshop of building 3, No. 150, Xingye East Road, Mawei District, Fuzhou City, Fujian Province (in the pilot Free Trade Zone) Patentee after: Fuzhou Snite Hydraulic Co.,Ltd. Address before: 350000 workshop of building 3, No. 150, Xingye East Road, Mawei District, Fuzhou City, Fujian Province (in the pilot Free Trade Zone) Patentee before: FUZHOU SNIT MECHANICAL EQUIPMENT Co.,Ltd. |