CN215598707U - Load spring loading device - Google Patents
Load spring loading device Download PDFInfo
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- CN215598707U CN215598707U CN202121459012.2U CN202121459012U CN215598707U CN 215598707 U CN215598707 U CN 215598707U CN 202121459012 U CN202121459012 U CN 202121459012U CN 215598707 U CN215598707 U CN 215598707U
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Abstract
The utility model belongs to the technical field of application of bearing testing machines, and particularly relates to a load spring loading device which comprises a support, wherein a cavity is formed in the support, a pressure rod and a connecting rod are connected in the cavity, the pressure rod is connected to the connecting rod through an elastic element, the pressure rod moves in the cavity and generates relative displacement with the cavity, a top head is arranged at one end, far away from the pressure rod, of the connecting rod, and the connecting rod, the pressure rod and the top head are coaxially arranged. The utility model completes the loading function of the load through simple mechanical equipment, has simple and reliable structure, is practical, convenient and easy to operate, has low test cost and low maintenance cost, and is suitable for small and light tests.
Description
Technical Field
The utility model belongs to the technical field of application of bearing testing machines, and particularly relates to a loading device for a load spring.
Background
The loading device of the bearing testing machine mostly uses the hydraulic cylinder for loading, and for small and light bearings, the required test load is not large, if the hydraulic cylinder is used for loading, the test cost can be greatly increased, meanwhile, the hydraulic system is complex in composition, high in maintenance cost and low in utilization efficiency.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, it is an object of the present invention to provide a reliable and easy controllable load spring loading device suitable for testing small and light bearings.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a load spring loading device, includes the support, be provided with the cavity in the support, cavity in-connection has depression bar and connecting rod, the depression bar is connected to the connecting rod through elastic element, and the depression bar removes and produces relative displacement with the cavity in the cavity, the one end that the depression bar was kept away from to the connecting rod is provided with the top, and connecting rod, depression bar and top coaxial setting.
Further, a load detection device is arranged on the pressure lever or the connecting rod. The load detection device can detect the magnitude of the output axial force in real time.
Preferably, a load detection device is arranged between the connecting rod and the top head, and the load detection device is a pressure sensor (the model of the S-shaped weighing sensor MIK-LCS1 is promoted).
Based on above-mentioned technical scheme, the top is as the load loading device with the part direct contact that awaits measuring, and the pressure touch sensor setting is guaranteed to measure accurately on the top, reduces the error.
Furthermore, the compression bar extends out of the cavity, the outer wall of the compression bar is provided with an external thread, the cavity is provided with an internal thread matched with the cavity, and the compression bar is screwed in the cavity through the thread to move.
Based on above-mentioned technical scheme, the precession through the screw thread controls the pressure that the depression bar exerted, compares in depression bar direct sliding connection in the cavity, more has stability and continuity, makes the pressure value of exerting control more easily.
Furthermore, the outer wall of the pressure rod is in threaded connection with a locking nut, and the locking nut is located outside the cavity.
Based on above-mentioned technical scheme, lock nut can fix the relative position of depression bar and cavity.
Furthermore, the elastic element is a spring, a guide rod is arranged at one end of the compression bar connected with the spring, and the spring is sleeved on the outer wall of the guide rod. Ensuring that the spring can compress and rebound in the direction of the guide rod.
Furthermore, the compression bar and the guide bar are integrally and coaxially arranged or detachably and coaxially arranged.
Furthermore, the support is provided with a long hole along the axial direction, a guide screw is connected in the long hole, and the guide screw penetrates through the long hole and is connected to the connecting rod in the cavity.
Based on above-mentioned technical scheme, the connecting rod can drive guide screw and slide in the within range in rectangular hole, and guide screw can restrict the sliding range of connecting rod, ensures the unable rotation that takes place circumference of connecting rod simultaneously.
Further, the connecting rod comprises a head portion and an extension portion, the diameter of the head portion is larger than that of the extension portion, the head portion is limited in the cavity, the extension portion extends out of the cavity, and the extension portion is connected with the ejector.
Furthermore, a plurality of threaded holes for fixing the support are formed in the support.
The utility model has the beneficial effects that: the utility model completes the loading function of the load through simple mechanical equipment, has simple and reliable structure, is practical, convenient and easy to operate, has low test cost and low maintenance cost, and is suitable for small and light tests.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure: 1. the device comprises a compression bar, 2, a locking nut, 3, a support, 4, a spring, 5, a guide screw, 6, a connecting rod, 7, a pressure sensor, 8, a top, 9, a strip hole, 10, a guide bar, 11 and a threaded hole.
Detailed Description
In order to make the structure and function of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention.
Referring to the attached figure 1, the load spring loading device comprises a support, a cavity is arranged in the support, a pressure rod 1 and a connecting rod 6 are connected in the cavity, the pressure rod is connected to the connecting rod 6 through a spring 4, the pressure rod 1 moves in the cavity and generates relative displacement with the cavity to compress the spring 4, the spring 4 transmits the pressure rod to the connecting rod 6, a top 8 is arranged at one end, far away from the pressure rod 1, of the connecting rod 6, the top 8 is in contact with a bearing to be tested and outputs load to the bearing to be tested, and the connecting rod 6, the pressure rod 1 and the top 8 are coaxially arranged.
Further, a load detection device is arranged between the connecting rod 6 and the plug 8, and the load detection device is a pressure sensor. The pressure sensor 7 can detect the load size of output, and is convenient to detect and adjust. The pressure sensor adopted by the device is a flourishing and creative S-type weighing sensor model MIK-LCS 1.
Based on above-mentioned technical scheme, the top is as the load loading device with the part direct contact that awaits measuring, and the pressure touch sensor setting is guaranteed to measure accurately on the top, reduces the error.
Furthermore, the compression bar 1 extends out of the cavity, the outer wall of the compression bar is provided with an external thread, the cavity is provided with an internal thread matched with the cavity, and the compression bar is screwed in the cavity through the thread to move.
Based on above-mentioned technical scheme, the precession through the screw thread controls the pressure that the depression bar exerted, compares in depression bar direct sliding connection in the cavity, more has stability and continuity, makes the pressure value of exerting control more easily.
Furthermore, the outer wall of the pressure lever is in threaded connection with a locking nut 2, and the locking nut 2 is located outside the cavity.
Based on above-mentioned technical scheme, lock nut 2 can fix the relative position of depression bar and cavity, guarantees output load's stability.
Furthermore, one end of the compression bar 1, which is connected with the spring 4, is provided with a guide rod 10, and the spring 4 is sleeved on the outer wall of the guide rod 10. Ensuring that the spring 4 can compress and rebound in the direction of the guide rod 10.
Further, the compression bar 1 and the guide bar 10 are integrally and coaxially arranged or detachably and coaxially arranged.
Further, a long hole 9 is axially formed in the support 3, a guide screw 5 is connected in the long hole 9, and the guide screw 5 penetrates through the long hole 9 and is connected to the connecting rod 6 in the cavity.
Based on above-mentioned technical scheme, connecting rod 6 can drive guide screw 5 and slide in the within range of rectangular hole 9, and guide screw 5 can restrict connecting rod 6's slip scope, ensures that the connecting rod can't take place the rotation of circumference simultaneously.
Further, the connecting rod comprises a head part and an extension part, the diameter of the head part is larger than that of the extension part, the head part is limited in the cavity, the extension part extends out of the cavity, and the extension part is connected with the top head 3.
Further, a plurality of threaded holes 11 for fixing the support are arranged on the support 3.
The working principle of the device is as follows: as shown in fig. 1, a pressure bar 1, a spring 4 and a connecting rod 6 are arranged in the cavity at the upper part of the support 3 from left to right. Wherein the external diameter of depression bar 1 and the inside screw thread that is equipped with of 3 cavitys of support, can compress tightly the inside spring 4 of 3 cavitys of support through rotating depression bar 1, its axial force that receives after spring 4 compresses tightly transmits for pressure sensor 7 and top 8 fixed on connecting rod 6 through connecting rod 6 via the through-hole on support 3 right side, finally can transmit the required loaded position for testing device, pressure sensor can real-time detection goes out the size of output axial force, when output axial force satisfies the requirement, can screw up lock nut 2 on depression bar 1, guarantee whole spring loading device output load's reliable and stable. In addition, the connecting rod 6 is provided with the guide screw 5, and the guide screw 5 penetrates through a long hole formed in the upper portion of the support 3, so that the connecting rod 6, the sensor 7 and the ejector 8 cannot rotate circumferentially in the loading process, and the stability of the device for outputting axial load is guaranteed.
The above list is only the preferred embodiment of the present invention. It is obvious that the utility model is not limited to the above embodiments, but that many variations are possible. All modifications which can be derived or suggested by a person skilled in the art from the disclosure of the present invention are to be considered within the scope of the utility model.
Claims (9)
1. A load spring loading device characterized by: the device comprises a support, a cavity is arranged in the support, a pressure rod and a connecting rod are connected in the cavity, the pressure rod is connected to the connecting rod through an elastic element, the pressure rod moves in the cavity and generates relative displacement with the cavity, a top is arranged at one end, far away from the pressure rod, of the connecting rod, and the connecting rod, the pressure rod and the top are coaxially arranged.
2. A load spring loading unit as claimed in claim 1, wherein: and a load detection device is arranged on the compression bar or the connecting rod.
3. A load spring loading unit as claimed in claim 1, wherein: and a load detection device is arranged between the connecting rod and the top, and the load detection device is a pressure sensor.
4. A load spring loading unit as claimed in claim 1, wherein: the pressure lever extends to the outside of the cavity, the outer wall of the pressure lever is provided with an external thread, the cavity is provided with an internal thread matched with the external thread, and the pressure lever is screwed in the cavity through the thread to move.
5. A load spring loading unit as claimed in claim 4, wherein: and the outer wall of the pressure lever is in threaded connection with a locking nut, and the locking nut is positioned outside the cavity.
6. A load spring loading unit as claimed in claim 1 or 4, wherein: the elastic element is a spring, a guide rod is arranged at one end of the compression bar connected with the spring, and the spring is sleeved on the outer wall of the guide rod.
7. A load spring loading unit as claimed in claim 6, wherein: the compression bar and the guide bar are integrally and coaxially arranged or detachably and coaxially arranged.
8. A load spring loading unit as claimed in claim 1, wherein: the support is provided with a strip hole along the axial direction, a guide screw is connected in the strip hole, and the guide screw penetrates through the strip hole and is connected to the connecting rod in the cavity.
9. A load spring loading unit as claimed in claim 1, 3 or 8, wherein: the connecting rod comprises a head part and an extension part, the diameter of the head part is larger than that of the extension part, the head part is limited in the cavity, the extension part extends out of the cavity, and the extension part is connected with the top head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121459012.2U CN215598707U (en) | 2021-06-29 | 2021-06-29 | Load spring loading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121459012.2U CN215598707U (en) | 2021-06-29 | 2021-06-29 | Load spring loading device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215598707U true CN215598707U (en) | 2022-01-21 |
Family
ID=79876585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121459012.2U Active CN215598707U (en) | 2021-06-29 | 2021-06-29 | Load spring loading device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215598707U (en) |
-
2021
- 2021-06-29 CN CN202121459012.2U patent/CN215598707U/en active Active
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| TR01 | Transfer of patent right |
Effective date of registration: 20230803 Address after: 111000 wangshuitai street, Taizihe District, Liaoyang City, Liaoning Province Patentee after: WAFANGDIAN BEARING GROUP LIAOYANG BEARING MANUFACTURING CO.,LTD. Address before: 116300 Wafangdian Bearing Industrial Park, Dalian City, Liaoning Province Patentee before: WAFANGDIAN BEARING GROUP NATIONAL BEARING ENGINEERING TECHNOLOGY RESEARCH CENTER Co.,Ltd. |