CN211904631U - Device for testing service life and bearing performance of trundle - Google Patents
Device for testing service life and bearing performance of trundle Download PDFInfo
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- CN211904631U CN211904631U CN202020791353.9U CN202020791353U CN211904631U CN 211904631 U CN211904631 U CN 211904631U CN 202020791353 U CN202020791353 U CN 202020791353U CN 211904631 U CN211904631 U CN 211904631U
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- caster
- box body
- block
- sliding
- rotating block
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Abstract
The utility model discloses a device for testing the service life and the bearing performance of a caster, which comprises a box body and a supporting platform arranged in the box body and used for supporting the caster, wherein the supporting platform is not contacted with the inner wall of the box body, the middle position of the lower end of the supporting platform is connected and fixed with the inner bottom of the box body through a supporting column, and the upper end of the supporting column is provided with a pressure sensor for detecting the load of the caster; supporting platform top is equipped with rotatory piece, rotatory piece upper end intermediate position is equipped with flexible cover, flexible cover upper end slides and is equipped with the axis of rotation, the utility model discloses design to the drawback of current device, when rotatory piece rotates, the leading wheel can offset with the direction arch, under the effect of direction arch, the sliding block can slide along the guide bar to make the sliding block along rotatory piece radial sliding, will make the sudden diversion of pivoted truckle like this, with the environment that the simulation reality used the truckle, improved the test effect.
Description
Technical Field
The utility model relates to a test instrument field specifically is a be used for truckle life and bearing performance testing arrangement.
Background
The caster is used as a part of the moving object and mainly plays a role in bearing the weight of the moving object and driving the moving object to move. Therefore, the motion performance and the wear resistance of the caster under the load-bearing state are main performance indexes. The principle of testing the motion performance and the wear resistance of the caster wheel in a load-bearing state at present is that the caster wheel is firstly installed on a chassis of a moving object, then weights are placed on the chassis of the moving object, and the caster wheel is manually pushed back and forth for a certain distance in a certain stroke at a certain speed to detect. Although the method can meet basic requirements, the weight is heavy, and the weight can be hurt to testers once falling in the replacement process.
To above-mentioned problem, current patent publication No. is CN 208847457U's patent has announced a truckle testing arrangement, but this kind of testing arrangement's test is to rotate the test under the normal load state, and this kind of test mode is too gentle, does not accord with the truckle state when in actual use, to this problem, provides one kind now and is used for truckle life and bearing performance testing arrangement.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a be used for truckle life and bearing performance testing arrangement to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a device for testing the service life and the bearing performance of a caster comprises a box body and a supporting platform which is arranged in the box body and used for supporting the caster, wherein the supporting platform is not in contact with the inner wall of the box body;
a rotating block is arranged above the supporting platform, a telescopic sleeve is arranged in the middle of the upper end of the rotating block, a rotating shaft is arranged at the upper end of the telescopic sleeve in a sliding mode, the upper end of the rotating shaft is connected with the output end of a driving motor arranged at the top of the box body, and a limiting assembly for limiting the rotation of the rotating shaft and the telescopic sleeve is arranged between the rotating shaft and the telescopic sleeve;
a first return spring for connecting the rotating shaft and the rotating block is arranged in the telescopic sleeve;
a pressing assembly used for generating downward thrust to the rotating block to adjust the load of the caster is arranged between the rotating block and the box body;
the lower end of the rotating block is provided with a mounting component for fixing a truckle;
the mounting assembly comprises a sliding block arranged at the lower end of the rotating block in a sliding manner, and the extension line of the center line of the sliding block is intersected with the center line of the rotating block;
the right end face of the sliding block is provided with a guide rod, the right end of the guide rod penetrates through a fixed block arranged at the lower end of the rotating block, the fixed block and the sliding block are fixedly connected through a second reset spring, the other end of the sliding block, opposite to the fixed block, is provided with a guide wheel, and the inner wall of the box body is provided with a guide protrusion opposite to the guide wheel;
the lower end of the sliding block is provided with a fixed sleeve, a sliding column is matched in a hole at the lower end of the fixed sleeve in a sliding manner, and the lower end of the sliding column is provided with an installation area convenient for the installation of a trundle;
as a further aspect of the present invention: and sliding wheels used for abutting against the surface of the rotating block are arranged on the left side and the right side of the sliding block.
As a further aspect of the present invention: the pressing assembly comprises a permanent magnet ring arranged at the upper end of the rotating block, the permanent magnet ring and the telescopic sleeve are coaxially arranged, and an electromagnet for generating magnetic force repelling with the permanent magnet ring is arranged on the inner wall of the box body.
As a further aspect of the present invention: the limiting assembly comprises a limiting protrusion arranged on the outer side of the rotating shaft and a limiting groove arranged on the inner wall of the telescopic sleeve, and the limiting protrusion and the limiting groove are matched to limit relative rotation of the limiting protrusion and the limiting groove.
As a further aspect of the present invention: the supporting platform surface is provided with an opening, the opening is matched with a movable testing board, the upper end face of the movable testing board is provided with a convex face, and the lower end of the movable testing board is detachably connected with the output end of the telescopic rod.
As a further aspect of the present invention: the box inner wall is equipped with and is used for carrying out the heating piece that heats and the humidifier that is used for improving test environment humidity with control panel electric connection to test environment.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses drawback to current device designs, when rotatory piece rotates, the leading wheel can offset with the direction arch, under the effect of direction arch, the sliding block can slide along the guide bar, thereby make the sliding block along rotatory piece radial slip, will make the sudden diversion of pivoted truckle like this, with the environment that the truckle was used in the simulation reality, the test effect has been improved, can also change the activity and survey the board, when using, change the type that the activity surveyed the board as required, so that adjust protruding degree, therefore, the clothes hanger is strong in practicability.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the upper end of the middle rotating block of the present invention.
Fig. 3 is a schematic structural view of the lower end of the rotating block of the present invention.
Wherein: the device comprises a box body 1, a telescopic sleeve 2, a first reset spring 3, a driving motor 4, a rotating shaft 5, an electromagnet 6, a control panel 7, a sliding block 8, a guide wheel 9, a guide protrusion 10, a fixing sleeve 11, a sliding column 12, a caster 13, a supporting platform 14, a pressure sensor 15, a supporting column 16, an expansion link 17, a movable test board 18, an opening 19, a heating block 20, a humidifier 24, a second reset spring 21, a guide rod 22, a fixing block 23, a rotating block 25 and a permanent magnet ring 26.
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 work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1-3, in an embodiment of the present invention, a device for testing service life and load-bearing performance of a caster comprises a box body 1 and a supporting platform 14 arranged inside the box body 1 and used for supporting a caster 13, wherein the supporting platform 14 is not in contact with an inner wall of the box body 1, a middle position of a lower end of the supporting platform 14 is fixedly connected with an inner bottom of the box body 1 through a supporting column 16, and a pressure sensor 15 used for detecting a load of the caster 13 is arranged at an upper end of the supporting column 16;
a rotating block 25 is arranged above the supporting platform 14, a telescopic sleeve 2 is arranged in the middle of the upper end of the rotating block 25, a rotating shaft 5 is arranged at the upper end of the telescopic sleeve 2 in a sliding manner, the upper end of the rotating shaft 5 is connected with the output end of a driving motor 4 arranged at the top of the box body 1, and a limiting assembly for limiting the rotation of the rotating shaft 5 and the telescopic sleeve 2 is arranged between the rotating shaft 5 and the telescopic sleeve 2;
a first return spring 3 for connecting the rotating shaft 5 with the rotating block 25 is arranged in the telescopic sleeve 2;
a pressing component for generating downward thrust to the rotating block 25 to adjust the load of the caster 13 is arranged between the rotating block 25 and the box body 1;
the lower end of the rotating block 25 is provided with a mounting component for fixing the caster 13;
the mounting assembly comprises a sliding block 8 arranged at the lower end of the rotating block 25 in a sliding manner, and the extension line of the center line of the sliding block 8 is intersected with the center line of the rotating block 25;
sliding wheels used for abutting against the surfaces of the rotating blocks 25 are arranged on the left side and the right side of the sliding block 8;
a guide rod 22 is arranged on the right end face of the sliding block 8, the right end of the guide rod 22 penetrates through a fixed block 23 arranged at the lower end of a rotating block 25, the fixed block 23 and the sliding block 8 are fixedly connected through a second reset spring 21, a guide wheel 9 is arranged at the other end of the sliding block 8 opposite to the fixed block 23, and a guide protrusion 10 opposite to the guide wheel 9 is arranged on the inner wall of the box body 1;
the lower end of the sliding block 8 is provided with a fixed sleeve 11, a sliding column 12 is in sliding fit with a hole at the lower end of the fixed sleeve 11, and the lower end of the sliding column 12 is provided with a mounting area convenient for mounting a caster 13;
when the rotating block 25 rotates, the guide wheel 9 abuts against the guide protrusion 10, and under the action of the guide protrusion 10, the sliding block 8 slides along the guide rod 22, so that the sliding block 8 slides along the rotating block 25 in the radial direction, and the rotating caster 13 changes direction suddenly, so as to simulate the environment in which the caster 13 is used in reality, and improve the test effect;
the pressing assembly comprises a permanent magnet ring 26 arranged at the upper end of the rotating block 25, the permanent magnet ring 26 and the telescopic sleeve 2 are coaxially arranged, the inner wall of the box body 1 is provided with an electromagnet 6 for generating repulsive force with the permanent magnet ring 26, and the electromagnet 6 is electrified to generate magnetic force so as to push the rotating block 25 to move downwards and apply pressure to the caster 13;
the limiting assembly comprises a limiting protrusion arranged on the outer side of the rotating shaft 5 and a limiting groove arranged on the inner wall of the telescopic sleeve 2, and the limiting protrusion and the limiting groove are matched to limit relative rotation of the limiting protrusion and the limiting groove.
The driving motor 4 and the pressing component are electrically connected with the control panel 7.
Example 2
The difference from example 1 is: opening 19 has been seted up on supporting platform 14 surface, and opening 19 department cooperation is equipped with the activity and surveys test panel 18, activity surveys test panel 18 up end is equipped with the bellying, activity surveys test panel 18 lower extreme and can dismantle with telescopic link 17 output and be connected, drives activity and surveys test panel 18 height through telescopic link 17 and goes up and down to cooperate with opening 19, when actual test, change the type of activity survey test panel 18 as required, so that adjust the bellying degree, telescopic link 17 electric connection control panel 7.
Example 3
The difference from example 1 is: the inner wall of the box body 1 is provided with a heating block 20 which is electrically connected with the control panel 7 and used for heating the test environment and a humidifier 24 used for improving the humidity of the test environment, so that a high-temperature high-humidity environment can be simulated, and the test of a specific caster wheel is facilitated.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. A device for testing the service life and the bearing performance of a caster comprises a box body (1) and a supporting platform (14) which is arranged in the box body (1) and used for supporting the caster (13), wherein the supporting platform (14) is not in contact with the inner wall of the box body (1), the middle position of the lower end of the supporting platform (14) is fixedly connected with the inner bottom of the box body (1) through a supporting column (16), and a pressure sensor (15) used for detecting the load of the caster (13) is arranged at the upper end of the supporting column (16);
the device is characterized in that a rotating block (25) is arranged above the supporting platform (14), a telescopic sleeve (2) is arranged in the middle of the upper end of the rotating block (25), a rotating shaft (5) is arranged at the upper end of the telescopic sleeve (2) in a sliding mode, the upper end of the rotating shaft (5) is connected with the output end of a driving motor (4) arranged at the top of the box body (1), and a limiting assembly for limiting the rotation of the rotating shaft (5) and the telescopic sleeve (2) is arranged between the rotating shaft and the telescopic sleeve;
a first return spring (3) used for connecting the rotating shaft (5) with the rotating block (25) is arranged in the telescopic sleeve (2);
a pressing assembly used for generating downward thrust to the rotating block (25) to adjust the load of the caster (13) is arranged between the rotating block (25) and the box body (1);
the lower end of the rotating block (25) is provided with a mounting assembly for fixing a caster (13);
the mounting assembly comprises a sliding block (8) which is arranged at the lower end of a rotating block (25) in a sliding mode, the extension line of the central line of the sliding block (8) is intersected with the central line of the rotating block (25), a guide rod (22) is arranged on the right end face of the sliding block (8), the right end of the guide rod (22) penetrates through a fixed block (23) arranged at the lower end of the rotating block (25), the fixed block (23) and the sliding block (8) are fixedly connected through a second reset spring (21), a guide wheel (9) is arranged at the other end, opposite to the fixed block (23), of the sliding block (8), and a guide protrusion (10) opposite to the guide wheel (9) is arranged on the inner;
the lower end of the sliding block (8) is provided with a fixed sleeve (11), a sliding column (12) is arranged in a hole at the lower end of the fixed sleeve (11) in a sliding fit mode, and the lower end of the sliding column (12) is provided with a mounting area convenient for mounting of a caster (13).
2. The device for testing the service life and the bearing performance of the caster wheels as claimed in claim 1, wherein the sliding blocks (8) are provided with sliding wheels on the left and right sides for abutting against the surface of the rotating block (25).
3. The device for testing the service life and the bearing performance of the caster wheel as claimed in claim 1, wherein the pressure applying assembly comprises a permanent magnet ring (26) arranged at the upper end of the rotating block (25), the permanent magnet ring (26) is arranged coaxially with the telescopic sleeve (2), and the inner wall of the box body (1) is provided with an electromagnet (6) for generating repulsive force with the permanent magnet ring (26).
4. The device for testing the service life and the bearing performance of the caster wheel as claimed in claim 1, wherein the limiting assembly comprises a limiting protrusion arranged on the outer side of the rotating shaft (5) and a limiting groove arranged on the inner wall of the telescopic sleeve (2), and the relative rotation of the limiting protrusion and the limiting groove is limited by the cooperation of the limiting protrusion and the limiting groove.
5. The device for testing the service life and the bearing performance of the caster wheels as claimed in any one of claims 1 to 4, wherein the supporting platform (14) is provided with an opening (19) on the surface, the opening (19) is provided with a movable testing board (18) in a matching manner, the upper end surface of the movable testing board (18) is provided with a convex surface, and the lower end of the movable testing board (18) is detachably connected with the output end of the telescopic rod (17).
6. The device for testing the service life and the bearing performance of the caster wheels as claimed in any one of claims 1 to 4, wherein the inner wall of the box body (1) is provided with a heating block (20) which is electrically connected with the control panel (7) and is used for heating a test environment and a humidifier (24) which is used for increasing the humidity of the test environment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020791353.9U CN211904631U (en) | 2020-05-14 | 2020-05-14 | Device for testing service life and bearing performance of trundle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020791353.9U CN211904631U (en) | 2020-05-14 | 2020-05-14 | Device for testing service life and bearing performance of trundle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211904631U true CN211904631U (en) | 2020-11-10 |
Family
ID=73271516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020791353.9U Active CN211904631U (en) | 2020-05-14 | 2020-05-14 | Device for testing service life and bearing performance of trundle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211904631U (en) |
-
2020
- 2020-05-14 CN CN202020791353.9U patent/CN211904631U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 362000 No. 25, Zhitai Road, Quanzhou Economic and Technological Development Zone, Quanzhou City, Fujian Province (production workshop 2 of Meiling rubber plate company) Patentee after: Quanzhou zhuoye caster manufacturing Co.,Ltd. Address before: 362000 No. 25, Zhitai Road, Quanzhou Economic and Technological Development Zone, Fujian Province (production workshop 2 of Meiling rubber plate company) Patentee before: Quanzhou zhuoye caster manufacturing Co.,Ltd. |
|
| CP03 | Change of name, title or address |