CN209892550U - Track structure of hydraulic testing device for jack - Google Patents
Track structure of hydraulic testing device for jack Download PDFInfo
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- CN209892550U CN209892550U CN201822220729.6U CN201822220729U CN209892550U CN 209892550 U CN209892550 U CN 209892550U CN 201822220729 U CN201822220729 U CN 201822220729U CN 209892550 U CN209892550 U CN 209892550U
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Abstract
A rail structure for a hydraulic test apparatus of a jack, comprising: a guide rail assembly and a guide body assembly; the guide rail assembly comprises a guide rail (6), the guide rail (6) is provided with a guide groove (5) extending along the length direction of the guide rail, and arc-shaped guide surfaces (7) which are matched with each other are arranged on the inner wall of the side part of the opening of the guide groove (5) and the inner wall of the guide groove (5) opposite to the opening of the guide groove (5); the guide body assembly comprises a guide body (8), and the guide body (8) is located in the guide groove (5) to run along the arc-shaped guide surface (7) in an opposite-top state. The track structure of the hydraulic testing device is provided with a component structure for simulating the running track, so that the testing device can simulate the running track of the jack in use through simple and compact structural components.
Description
Technical Field
The utility model relates to a jack detects technical field, concretely relates to a track structure for hydraulic test device of jack.
Background
At present, in a known jack testing device adopting a profiling frame, a jack is placed on a fixing frame at the foremost end of the profiling frame, and the jack drives a heavy object to lift up and down to simulate a running track used by an automobile jack. In operation, there is a circular arc track with radius of 4 meters and the bottom of the far end of the profiling frame is used as a rotation fulcrum. The testing device of the type has the disadvantages of large overall specification, large occupied area and complex load testing and adjustment.
In order to solve the technical problems, the applicant develops a hydraulic testing device integrating a hydraulic cylinder, a force transducer and a frame assembly to detect various performance indexes of the jack. This type of test device assembles the hydraulic cylinder, jack on the frame subassembly, makes jack and hydraulic cylinder form the opposition. The load capacity parameters of jacks of various specifications can be conveniently detected in the process that the jacks act on the force measuring sensor, and meanwhile, the load detection of the jacks can be realized by adjusting the working pressure of the hydraulic cylinder. The simulation of the operation trajectory of the jack during use needs to be realized by a specific component structure, and how to actually simulate the operation trajectory of the jack during use by the test device through a simple and compact component structure is an important key technology to be urgently solved by the applicant.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the rail structure for the hydraulic testing device of the jack is provided, the hydraulic testing device is provided with a component structure for simulating the operation track, and the operation track of the jack in use can be simulated and embodied by the testing device through simple and compact structural components.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: a rail structure for a hydraulic test apparatus of a jack, comprising:
a guide rail assembly and a guide body assembly;
the guide rail assembly comprises a guide rail, the guide rail is provided with a guide groove extending along the length direction of the guide rail, and arc-shaped guide surfaces which are matched with each other are arranged on the inner wall of the side part at the opening of the guide groove and the inner wall of the guide groove opposite to the opening of the guide groove;
the guide body assembly comprises a guide body which is positioned in the guide groove to run along the arc-shaped guide surface in an opposite state.
In some embodiments, the arc-shaped guide surface arranged on the inner wall of the side part of the opening of the guide groove is an outer convex arc-shaped surface, the arc-shaped guide surface arranged on the inner wall of the guide groove opposite to the opening of the guide groove is an inner concave arc-shaped surface, and the outer convex arc-shaped surface and the inner concave arc-shaped surface are matched to form an arc-shaped channel, so that the operating guide body can be limited in the arc-shaped channel to operate stably and reliably.
In some embodiments, the inner walls of the two side parts at the opening of the guide groove are provided with convex arc surfaces which are arranged in pairs, so that the distribution is more balanced, and the operation is more stable and reliable.
In some embodiments, the inner wall of the guide groove opposite to the opening of the guide groove is provided with concave arc-shaped surfaces which are bilaterally symmetrical, and the concave arc-shaped surfaces are also arranged in pairs, so that the distribution is more balanced, and the operation is more stable and reliable.
In some embodiments, the guide grooves extend through both ends of the guide rail in the length direction, so as to facilitate the assembly of the guide body.
In some embodiments, the number of the guiding bodies is two, and the outer circumferential walls of the two guiding bodies are respectively matched with the corresponding arc-shaped guiding surfaces in operation.
In some embodiments, the rail assembly further provides a rail assembly box having a slotted groove at a back thereof for height adjustable mounting of the rail by fasteners.
In some embodiments, the guiding body is preferably a ball bearing, and when the ball bearing operates, the outer ring of the ball bearing can freely rotate relative to the inner ring, so that the whole operation is smooth and unimpeded.
In some embodiments, the rail structure of the hydraulic testing device for the jack further comprises a movable frame and a fixed frame which form a frame assembly, the guide rail is installed on the fixed frame, and the guide body is indirectly connected with the movable frame through a connecting shaft rod, one end of the connecting shaft rod is connected with the guide body, the other end of the connecting shaft rod is installed on the movable frame, so that when the jack is installed on the movable frame, the hydraulic cylinder is installed on the fixed frame, and the piston rod of the hydraulic cylinder is in universal rotation connection with the movable frame through the joint bearing, the guide body is forced to run along the arc-shaped guide surface when the jack and the hydraulic cylinder are in a butting state, and the running track of the guide body on the arc-shaped guide surface is the running track of the jack in use, so that the normal and smooth simulation of the running track of the jack in use.
Compared with the prior art, the utility model discloses a track structure for hydraulic test device of jack has following beneficial effect:
through the configuration of the part structure of profile modeling jack orbit such as guide rail, guide way, guide body and arc guide surface, can set the profile modeling structural component of above-mentioned type on the one hand the utility model discloses a back on the track structure for hydraulic test device of jack just can simulate the orbit of jack reliably for test structure is more accurate, reliable. In addition, the profiling structural component has the advantages of being concise and compact in arrangement. Meanwhile, the running tracks of various jacks can be simulated by manufacturing different profiling structures so as to adapt to various detection requirements.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed 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 some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a rail structure of a hydraulic testing device for a jack according to the present invention.
Fig. 2 is a schematic structural diagram of the present invention assembled between the fixed frame and the guide rail of the rail structure of the hydraulic testing device for a jack.
Fig. 3 is a schematic view of the partial section structure of the rail assembly and the guide body assembly of the rail structure of the hydraulic testing device for a jack according to the present invention.
The device comprises a hydraulic cylinder 1, a jack 2, a fixed frame 3, a movable frame 4, a guide groove 5, a guide rail 6, an arc-shaped guide surface 7, a guide body 8, a guide rail assembly box 9, a strip-shaped groove 91, a connecting shaft rod 10, a force measuring sensor 11 and a joint bearing 12.
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 efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In the drawings of the illustrated embodiments of the present invention, fig. 1 is a schematic structural diagram of a rail structure of a hydraulic testing device for a jack. Fig. 2 is a schematic structural diagram of the present invention assembled between the fixed frame and the guide rail of the rail structure of the hydraulic testing device for a jack. Fig. 3 is a schematic view of the sectional structure of the rail structure of the hydraulic testing device for a jack according to the present invention, which is assembled with the guide body assembly.
The track structure of the hydraulic testing device for a jack according to the present invention will be described in detail with reference to the embodiments shown in the drawings. The rail structure of the hydraulic testing device for the jack comprises a frame assembly, a load cell 11, a hydraulic cylinder 1 and the jack 2, wherein the hydraulic cylinder 1 and the jack are arranged on the frame assembly to form a jacking state. The frame assembly comprises a fixed frame 3 and a movable frame 4, wherein the movable frame 4 is arranged in the fixed frame 3, and the movable frame and the fixed frame form an inner-outer nested arrangement.
In the embodiment shown in fig. 1: the jack 2 is arranged on the movable frame 4, and the top body of the jack 2 is arranged above the top rod and below the top rod; the hydraulic cylinder 1 is mounted on a fixed frame 3, inverted with the piston rod down.
The piston rod of the hydraulic cylinder 1 is connected in a universal manner to the top of the movable frame 4 via a joint bearing 12, which allows the movable frame to be operated in a tilting manner relative to the piston rod.
The force measuring sensor 11 is arranged below the jack 2 and used for bearing downward jacking pressure of a top rod of the jack 2 so as to display accurate test data in real time.
The fixed frame 3 is provided with a guide rail assembly, and the movable frame 4 is provided with a guide body assembly. The guide rail assembly is provided with a guide rail 6 with a guide groove 5, and the guide groove 5 is provided with an arc-shaped guide surface 7. The guide body assembly provides a guide body 8 which is received in the guide groove 5 such that the guide body 8 runs along the curved guide surface 7 during the butting process.
In the present embodiment, the guide groove (5) extends along the length direction of the guide rail 6, and the guide groove (5) penetrates both ends of the guide rail 6 in the length direction. The inner wall of the side portion at the opening of the guide groove 5 and the inner wall of the guide groove 5 opposite to the opening of the guide groove 5. In this embodiment, the arc-shaped guide surface 7 provided on the inner wall of the side portion of the opening of the guide groove 5 is a convex arc-shaped surface, and the arc-shaped guide surface 7 provided on the inner wall of the guide groove 5 opposite to the opening of the guide groove 5 is a concave arc-shaped surface. And the inner walls of the two side parts at the opening of the guide groove 5 are provided with convex arc surfaces. The inner wall of the guide groove 5 opposite to the opening of the guide groove 5 is provided with concave arc surfaces which are symmetrical left and right. Of course, the specific arrangement positions of the inner concave arc surface and the outer convex arc surface of the profiling mechanism are determined according to different vehicle types, different profiling structures are manufactured, and the operation tracks of various jacks can be simulated to meet various detection requirements.
In this embodiment, to match the arrangement of the arc-shaped guide surfaces 7, there are two guide bodies 8, and the outer circumferential walls of the two guide bodies 8 are respectively matched with the corresponding arc-shaped guide surfaces 7 during operation.
In order to adjust the installation height of the guide rail on the fixed frame, the guide rail assembly is also provided with a guide rail assembly box 9, and the back of the guide rail assembly box 9 is provided with a strip-shaped groove 91 so as to perform height-adjustable installation on the guide rail 6 through a fastener.
In order to achieve the connection of the guiding body to the movable frame, the guiding body assembly is further provided with a connecting shaft 10 having one end connected to the guiding body 8 and the other end connected to the movable frame 4.
In this embodiment, the guiding body 8 is preferably a ball bearing, and one end of the connecting shaft 10 is mounted on the inner race seat of the ball bearing, while the other end is mounted on the movable frame 4.
The above technical scheme is adopted in the utility model, utilize the hydraulic pressure principle, through the cooperation setting of above-mentioned each parts such as pneumatic cylinder, force cell sensor, can detect the jack conveniently.
When the jack is operated, a section of unstressed idle stroke begins until the jack mandril is contacted with the force measuring sensor below, and at the moment, the hydraulic cylinder really begins to be stressed (the working pressure of the hydraulic cylinder is adjusted in advance according to the load parameters of the jack to be measured). After the force is applied, the piston rod, the joint bearing, the movable frame and the connecting shaft rod of the hydraulic cylinder move along the arc-shaped guide wall of the guide groove along with the ball bearing. The ball bearing runs along the arc-shaped guide wall, so that the running track of the simulation jack installed on the carriage body is realized.
The guide groove is used for simulating a movement track and is provided with an arc-shaped guide wall, so that the hydraulic cylinder and the movable frame move according to the guide groove in the movement process, and the movement track of the jack installed on an actual carriage is realized. The simulated motion track in the guide groove can be adjusted to different arc surfaces and different stroke lengths according to requirements.
Claims (9)
1. A rail structure for a hydraulic test apparatus of a jack, comprising:
a guide rail assembly and a guide body assembly;
the guide rail assembly comprises a guide rail (6), the guide rail (6) is provided with a guide groove (5) extending along the length direction of the guide rail, and arc-shaped guide surfaces (7) which are matched with each other are arranged on the inner wall of the side part of the opening of the guide groove (5) and the inner wall of the guide groove (5) opposite to the opening of the guide groove (5);
the guide body assembly comprises a guide body (8), and the guide body (8) is located in the guide groove (5) to run along the arc-shaped guide surface (7) in an opposite-top state.
2. The rail structure for the hydraulic test device of a jack according to claim 1, wherein: the arc-shaped guide surface (7) arranged on the inner wall of the side part of the opening of the guide groove (5) is an outward convex arc-shaped surface, and the arc-shaped guide surface (7) arranged on the inner wall of the guide groove (5) opposite to the opening of the guide groove (5) is an inward concave arc-shaped surface.
3. The rail structure for the hydraulic test device of a jack according to claim 2, wherein: the inner walls of the two side parts at the opening of the guide groove (5) are provided with convex arc surfaces.
4. The rail structure for the hydraulic test device of a jack according to claim 3, wherein: the inner wall of the guide groove (5) opposite to the opening of the guide groove (5) is provided with concave arc surfaces which are symmetrical left and right.
5. The rail structure for the hydraulic test device of a jack according to claim 1, wherein: the guide grooves (5) penetrate through two ends of the guide rail (6) in the length direction.
6. The rail structure for the hydraulic test device of a jack according to claim 3 or 4, wherein: the number of the guide bodies (8) is two, and the outer circumferential walls of the two guide bodies (8) are respectively matched with the corresponding arc-shaped guide surfaces (7) during operation.
7. The rail structure for the hydraulic test device of a jack according to claim 1, wherein: the guide rail assembly is further provided with a guide rail assembling box (9), and the back of the guide rail assembling box (9) is provided with a strip-shaped groove (91) so as to install the guide rail (6) in a height adjustable mode through a fastener.
8. The rail structure of the hydraulic test apparatus for a jack according to any one of claims 1 to 5 or 7, wherein: the guiding body (8) is a ball bearing.
9. The rail structure of the hydraulic test apparatus for a jack according to any one of claims 1 to 5 or 7, wherein: the rail structure of the hydraulic testing device for the jack further comprises a movable frame (4) and a fixed frame (3) which form a frame assembly, the guide rail (6) is installed on the fixed frame (3), and the guide body (8) is indirectly connected with the movable frame (4) through a connecting shaft rod (10) of which one end is connected with the guide body and the other end is installed on the movable frame (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822220729.6U CN209892550U (en) | 2018-12-27 | 2018-12-27 | Track structure of hydraulic testing device for jack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822220729.6U CN209892550U (en) | 2018-12-27 | 2018-12-27 | Track structure of hydraulic testing device for jack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209892550U true CN209892550U (en) | 2020-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822220729.6U Active CN209892550U (en) | 2018-12-27 | 2018-12-27 | Track structure of hydraulic testing device for jack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209892550U (en) |
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2018
- 2018-12-27 CN CN201822220729.6U patent/CN209892550U/en active Active
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Address after: 311232 red soil farm, Xiaoshan District, Zhejiang, Hangzhou Patentee after: Henghong Intelligent Equipment Co.,Ltd. Address before: 311232 red soil farm, Xiaoshan District, Zhejiang, Hangzhou Patentee before: HANGZHOU HENGHONG MACHINERY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |