CN215931273U - Be applied to hydraulic cylinder device of spring fatigue experiment - Google Patents
Be applied to hydraulic cylinder device of spring fatigue experiment Download PDFInfo
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- CN215931273U CN215931273U CN202122640492.9U CN202122640492U CN215931273U CN 215931273 U CN215931273 U CN 215931273U CN 202122640492 U CN202122640492 U CN 202122640492U CN 215931273 U CN215931273 U CN 215931273U
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Abstract
The utility model discloses a hydraulic oil cylinder device applied to a spring fatigue test, which comprises a hydraulic oil cylinder and a test frame body, wherein the test frame body comprises two slide bars which are arranged in parallel, slide bases are symmetrically arranged at the top of the test frame body, a first bolt groove is formed in the top of each slide base, a transmission rod is arranged in a manner of being adaptive to the bolt grooves, connecting bolts are arranged at two ends of each transmission rod, a connecting vertical rod is arranged in the middle of the test frame body, a rhombic rotating disc is arranged at the top of each connecting vertical rod, a fixed seat is arranged in the middle of one side of each connecting vertical rod, the hydraulic oil cylinder is arranged on the slide bases, and the driving end of the hydraulic oil cylinder is connected with the fixed seats. The hydraulic cylinder drives the rhombic rotating disc to rotate through the fixing seat, the rhombic rotating disc drives the sliding base to slide outwards through transmission of the transmission rod, the experiment spring is pulled to stretch and contract repeatedly, and a fatigue experiment is performed.
Description
Technical Field
The utility model relates to the technical field of hydraulic oil cylinders, in particular to a hydraulic oil cylinder device applied to a spring fatigue test.
Background
A spring is an important element that works by its elasticity. When the device works, the movement of the component can be controlled by utilizing the elasticity of the spring, and the functions of buffering, pressure reduction, working, force measurement, energy storage and the like are realized. The reliability and safety of the equipment are directly affected by the performance of the spring. However, the frequent stretching and compression of the spring during working can cause the spring material to be easily fatigued, and further cause the breakage to cause equipment failure, so the fatigue test is generally required when the spring leaves a factory, and manufacturers also perform a certain degree of fatigue test on purchased springs to ensure the quality of the springs. At present, the existing spring fatigue experimental device mainly comprises three types, namely a mechanical mode, an electromagnetic resonance mode and an electro-hydraulic servo mode. The mechanical mode is to use a rotary motor, an eccentric wheel, a sliding block and other structural modes to pull and compress the spring, and the mode has the defects of complex structure, low precision during testing, large error, high energy consumption, large noise, low efficiency and the like, and is difficult to reproduce the working condition of the spring in some precision instruments.
Chinese patent (No. CN208140355U), it discloses a spring fatigue test device, which comprises a frame component, a driving component, a fixing component, a laser measuring and counting device and a power controller. The rack assembly comprises a bottom plate, a linear guide rail arranged above the middle section of the bottom plate, two sliding blocks respectively matched with the linear guide rail in a sliding manner, and two linear motor radiators respectively arranged above the two sliding blocks. The driving assembly comprises linear motors arranged in a linear motor radiator, driving plates positioned on the inner sides of the two linear motors, connecting rods penetrating through the middle of the driving plates and connected with the linear motors, and a plurality of spring seats arranged on the driving plates. The spring seat is provided with a first spring fixing groove. The utility model has the advantages of low energy consumption, small noise and wide applicability.
This scheme still has some weak points in using, because this utility model structural accessories is more, and the structure is comparatively complicated, breaks down easily and leads to the condition that can not operate, also is convenient for remove or maintain. Therefore, the practicability of the spring fatigue testing device needs to be further improved.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a hydraulic oil cylinder device applied to a spring fatigue test, which mainly aims to overcome the defects and shortcomings in the prior art.
The technical scheme adopted by the utility model is as follows:
a hydraulic cylinder device applied to a spring fatigue test comprises a hydraulic cylinder and a test frame body, wherein the test frame body comprises two slide bars which are arranged in parallel, a connecting bar is arranged between the two ends of each slide bar, fixing bolts are arranged at the two ends of the connecting bar, a sliding base is symmetrically arranged at the top of the test frame body, a sliding block is arranged at the bottom of the sliding base and can slide along the slide bars, a first bolt groove is arranged at the top of the sliding base, a transmission rod is arranged in a matched mode in the bolt groove, connecting bolts are arranged at the two ends of the transmission rod, a connecting vertical bar is arranged in the middle of the test frame body, a rhombic rotating disc is arranged at the top of the connecting vertical bar, a second bolt groove is arranged at one side, close to the slide bars, of the rhombic rotating disc and connected with the connecting bolts, a fixing seat is arranged in the middle of one side of the connecting vertical bar, and the hydraulic cylinder is arranged on the sliding base, the driving end of the hydraulic oil cylinder is connected with the fixed seat, the hydraulic oil cylinder drives the rhombic rotating disc to rotate through the fixed seat, and the rhombic rotating disc drives the sliding base to slide outwards through the transmission rod.
Furthermore, the sliding base comprises a base plate and a side plate, the side plate is vertically arranged on the outer side of the top of the base plate, a limiting strip is arranged on the top of the side plate, and a spring limiting and clamping groove is arranged in the limiting strip.
Furthermore, the number of the first bolt grooves is two, and the first bolt grooves comprise a front first bolt groove and a rear first bolt groove, and the front first bolt groove and the rear first bolt groove are respectively arranged along the transverse center line of the base plate.
Furthermore, the number of the transmission rods is two, the transmission rods are respectively a first transmission rod and a second transmission rod, the first transmission rod is connected with the front first bolt groove, and the second transmission rod is connected with the rear first bolt groove.
Furthermore, the number of the sliding bases is two, the sliding bases are divided into a first base and a second base, the first base and the second base are correspondingly arranged, and the hydraulic oil cylinder is arranged on the first base.
Furthermore, the transmission rod comprises a transmission pipe and a transmission strip which are movably sleeved, the transmission pipe is provided with a screwing nut, one end, corresponding to the transmission strip, of the transmission strip is provided with an external thread, and the transmission rod can be adjusted to stretch and retract through the screwing nut and the external thread in a movable screwing mode.
As can be seen from the above description of the present invention, compared with the prior art, the present invention has the following advantages:
the utility model is firstly fixed by arranging mutually parallel sliding rods and connecting strips; then, sliding bases are respectively arranged on two sides of the top of the sliding rod, the sliding bases are respectively provided with a front first bolt groove and a rear first bolt groove, the front first bolt groove and the rear first bolt groove are connected with a transmission rod in a matching mode, a fixed seat and a rhombic rotating disc are arranged in the middle of the sliding rod, and meanwhile, a hydraulic oil cylinder is arranged at the bottom of the first base; and finally, the hydraulic oil cylinder drives the rhombic turnplate to rotate through the fixed seat, the rhombic turnplate drives the sliding base to slide outwards through transmission rod transmission, and the experimental spring is pulled to stretch and contract repeatedly to perform a fatigue experiment.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic bottom view of the present invention.
FIG. 3 is a schematic view of the connection structure of the spring limiting clamping groove and the spring.
Detailed Description
Embodiments of the present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 3, a hydraulic cylinder device applied to a spring fatigue test comprises a hydraulic cylinder 1 and a test frame body 2, wherein the test frame body 2 comprises two slide bars 3 arranged in parallel, a connecting bar 4 is arranged between two ends of each slide bar 3, two ends of each connecting bar 4 are provided with fixing bolts 41, the top of the test frame body 2 is symmetrically provided with a sliding base 5, the bottom of the sliding base 5 is provided with a sliding block 51, the sliding block 51 can slide along the slide bars 3, the top of the sliding base 5 is provided with a first bolt groove 6, the bolt groove 6 is adapted to be provided with a transmission rod 7, two ends of the transmission rod 7 are provided with connecting bolts 71, the middle of the test frame body 2 is provided with a connecting vertical rod 8, the top of the connecting vertical rod 8 is provided with a diamond-shaped turntable 9, one side of the diamond-shaped turntable 9, which is close to the slide bars, is provided with a second bolt groove 91, the second bolt groove 91 is connected with the connecting bolts 71, the middle of one side of the connecting vertical rod 8 is provided with a fixed seat 81, the hydraulic oil cylinder 1 is arranged on the sliding base 5, the driving end of the hydraulic oil cylinder 1 is connected with the fixed seat 81, the hydraulic oil cylinder 1 drives the rhombic rotating disc 9 to rotate through the fixed seat 81, and the rhombic rotating disc 9 drives the sliding base 5 to slide outwards through the transmission rod 7.
Furthermore, the sliding base 5 includes a base plate 52 and a side plate 53, the side plate 52 is vertically disposed on the outer side of the top of the base plate 52, the top of the side plate 52 is provided with a limiting bar 54, and a spring limiting and embedding slot 55 is disposed in the limiting bar 54.
Further, the first bolt grooves 6 are two in number, and include a front first bolt groove 61 and a rear first bolt groove 62, and the front first bolt groove 61 and the rear first bolt groove 62 are respectively disposed along the lateral center line of the base plate 51.
Furthermore, the number of the transmission rods 7 is two, namely a first transmission rod 72 and a second sensing rod 73, the first transmission rod 72 is connected with the front first bolt groove 61, and the second sensing rod 73 is connected with the rear first bolt groove 62.
Furthermore, the number of the sliding bases 5 is two, and the sliding bases are divided into a first base 53 and a second base 54, the first base 53 and the second base 54 are correspondingly arranged, and the hydraulic cylinder 1 is arranged on the first base 53.
Furthermore, the transmission rod 7 comprises a transmission pipe 74 and a transmission strip 75 which are movably sleeved, the transmission pipe 74 is provided with a screwing nut 76, one end, corresponding to the transmission strip 75, of the transmission strip is provided with an external thread, and the transmission rod 7 can be adjusted to stretch and retract through the screwing nut 76 and the external thread in a movable screwing manner.
The specific embodiment is as follows:
firstly, the two sides of an experimental spring are respectively fixed through spring limit embedding slots 55 arranged in limit strips 54 of side plates 52, a plurality of groups of experimental springs can be fixed, then, a first transmission rod 72 is connected with a front first bolt groove 61, a second transmission rod 73 is connected with a rear first bolt groove 62, meanwhile, the length of a transmission rod 7 is adjusted, finally, a hydraulic oil cylinder 1 is started, the hydraulic oil cylinder 1 drives a rhombic turntable 9 to rotate through a fixing seat 81, and the rhombic turntable 9 drives a sliding base 5 to slide outwards through the transmission rod 7, so that the effect of a spring fatigue experiment is achieved.
As can be seen from the above description of the present invention, compared with the prior art, the present invention has the following advantages:
the utility model is firstly fixed by arranging mutually parallel sliding rods and connecting strips; then, sliding bases are respectively arranged on two sides of the top of the sliding rod, the sliding bases are respectively provided with a front first bolt groove and a rear first bolt groove, the front first bolt groove and the rear first bolt groove are connected with a transmission rod in a matching mode, a fixed seat and a rhombic rotating disc are arranged in the middle of the sliding rod, and meanwhile, a hydraulic oil cylinder is arranged at the bottom of the first base; and finally, the hydraulic oil cylinder drives the rhombic turnplate to rotate through the fixed seat, the rhombic turnplate drives the sliding base to slide outwards through transmission rod transmission, and the experimental spring is pulled to stretch and contract repeatedly to perform a fatigue experiment.
The above description is only an embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications of the present invention using this concept shall fall within the scope of infringing the present invention.
Claims (6)
1. The utility model provides a be applied to hydraulic cylinder device of spring fatigue experiment which characterized in that: the experimental frame comprises a hydraulic oil cylinder and an experimental frame body, wherein the experimental frame body comprises two slide bars which are arranged in parallel, a connecting bar is arranged between the two ends of each slide bar, fixing bolts are arranged at the two ends of each connecting bar, sliding bases are symmetrically arranged at the top of the experimental frame body, sliding blocks are arranged at the bottoms of the sliding bases and can slide along the slide bars, a first bolt groove is arranged at the top of each sliding base and is matched with a transmission rod, connecting bolts are arranged at the two ends of each transmission rod, a connecting vertical bar is arranged at the middle part of the experimental frame body, a rhombic rotating disc is arranged at the top of each connecting vertical bar, a second bolt groove is arranged at one side, close to each slide bar, of the rhombic rotating disc and is connected with the connecting bolts, a fixed seat is arranged in the middle of one side of each connecting vertical bar, the hydraulic oil cylinder is arranged on the sliding bases, and a driving end of the hydraulic oil cylinder is connected with the fixed seats, the hydraulic oil cylinder drives the rhombic rotating disc to rotate through the fixed seat, and the rhombic rotating disc drives the sliding base to slide outwards through the transmission rod.
2. The hydraulic cylinder device applied to the spring fatigue test is characterized in that: sliding base includes bed plate and side board, this side board set up perpendicularly in the bed plate top leans on outer one side, spacing has been installed at the side board top, and this spacing embeds has the spring limit to inlay and establishes the draw-in groove.
3. The hydraulic cylinder device applied to the spring fatigue test is characterized in that: the first bolt grooves are two in number and comprise a front first bolt groove and a rear first bolt groove, and the front first bolt groove and the rear first bolt groove are respectively arranged along the transverse center line of the base plate.
4. The hydraulic cylinder device applied to the spring fatigue test is characterized in that: the number of the transmission rods is two, the transmission rods are respectively a first transmission rod and a second transmission rod, the first transmission rod is connected with the front first bolt groove, and the second transmission rod is connected with the rear first bolt groove.
5. The hydraulic cylinder device applied to the spring fatigue test is characterized in that: the two sliding bases are divided into a first base and a second base, the first base and the second base are correspondingly arranged, and the hydraulic oil cylinder is arranged on the first base.
6. The hydraulic cylinder device applied to the spring fatigue test is characterized in that: the transmission rod comprises a transmission pipe and a transmission strip which are movably sleeved, the transmission pipe is provided with a screwing nut, one end, corresponding to the transmission strip, of the transmission strip is provided with an external thread, and the transmission rod can be adjusted to stretch and retract through the screwing nut and the external thread in a movable screwing mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122640492.9U CN215931273U (en) | 2021-10-30 | 2021-10-30 | Be applied to hydraulic cylinder device of spring fatigue experiment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122640492.9U CN215931273U (en) | 2021-10-30 | 2021-10-30 | Be applied to hydraulic cylinder device of spring fatigue experiment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215931273U true CN215931273U (en) | 2022-03-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122640492.9U Active CN215931273U (en) | 2021-10-30 | 2021-10-30 | Be applied to hydraulic cylinder device of spring fatigue experiment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215931273U (en) |
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2021
- 2021-10-30 CN CN202122640492.9U patent/CN215931273U/en active Active
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