Trundle shaft test feedback device
By designing a caster shaft test feedback device, combined with a rotating disk and a detection feedback mechanism, the problem of large detection errors in the existing technology is solved, multifunctional detection and timely data feedback are achieved, and the accuracy and efficiency of detection are improved.
Patent Information
- Application Number
- CN202422870548.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-25
- Publication Date
- 2025-09-23
- Estimated Expiration
- 2034-11-25
AI Technical Summary
In the existing technology, caster shaft detection mainly relies on naked eye observation, which is prone to errors, and conventional equipment can only perform a single test, resulting in insignificant detection results.
A caster shaft test feedback device is designed, which includes a base, a rotating disk, a detection mechanism and a feedback mechanism. The rotating disk is driven by a driving motor, and the detection mechanism and feedback mechanism are combined to realize multifunctional detection and timely feedback of data to reduce errors.
It realizes multifunctional detection of caster shafts and timely feedback of data, reduces errors in the detection process, and improves the accuracy and efficiency of detection.
Smart Images

Figure CN223376921U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of caster detection, in particular to a caster shaft testing feedback device. Background Art
[0002] As a key component of casters, caster shafts are typically inspected across multiple aspects to ensure their quality and performance. The caster shaft is a key component of casters, connecting the wheel and bracket, enabling the caster to rotate and move smoothly. Caster shafts are widely used in a variety of mobile equipment and furniture, such as shopping carts, strollers, wheelchairs, medical equipment, and industrial equipment. The rotation of the caster shaft allows these devices and furniture to be moved easily, improving work efficiency and convenience. Different types of caster shafts have different characteristics and application scenarios, so selection should be based on actual needs. Regular inspection and maintenance of caster shafts can also ensure their quality and performance, extending their service life.
[0003] There is a wide range of social demands for casters. During production, casters often need to be sampled and tested to detect their quality. Generally, when testing stability, feedback can only be obtained through observation. There are usually errors in observation with the naked eye, which leads to errors in the test data. Conventional testing equipment can only perform a single test on casters, and the test effect is not obvious. Therefore, a caster shaft detection feedback device with multi-functional detection and timely feedback data is designed to solve the above problems. Utility Model Content
[0004] (1) Technical problems solved
[0005] In response to the shortcomings of the existing technology, the utility model provides a caster shaft test feedback device, which has the advantages of multi-functional detection and timely feedback data. It solves the problem that feedback can only be obtained through observation when performing stability detection, and there are generally errors in observation with the naked eye, which leads to errors in the detection data. Conventional detection equipment can only perform single detection on the caster, and the detection effect is not obvious.
[0006] (2) Technical solution
[0007] In order to achieve the above-mentioned multifunctional detection and timely feedback of data, the utility model provides the following technical solutions: a caster shaft test feedback device, comprising a base, and a support frame fixedly connected on both sides of the base, and support feet are fixedly installed on the lower side of the base and the support frame, a rotating disk connected in rotation is installed on the upper side of the base, and a caster body is installed on the upper side of the rotating disk, detection mechanisms are respectively installed at both ends of the upper side of the base, and the caster body is installed below the detection mechanism, a feedback mechanism is installed inside the support frame, and the feedback mechanism is connected to the detection mechanism, a drive motor is installed inside the base, and the rotating disk is installed at the output of the drive motor, and an obstacle bar is fixedly installed on the upper side of the rotating disk. The caster shaft is generally installed inside the caster during inspection, and then the caster is installed on the upper side of the rotating disk for operation. The caster body is installed below the detection mechanism. The detection mechanism can switch the detection type and detect the caster body. During the detection process, the feedback mechanism connected to the detection mechanism will promptly feedback the detection data to reduce the error in the detection process. The drive motor drives the rotating disk on the upper side of the base to rotate, and the rotating disk drives the caster body on the upper side to run. The obstacle bar is magnetically attracted to the upper side of the rotating disk. It can be disassembled according to actual detection to facilitate obstacle testing of the caster body.
[0008] Preferably, the detection mechanism includes a mounting plate, mounting pads are fixedly mounted on both ends of the upper side of the base, and a pair of telescopic columns are fixedly mounted on the upper side of the mounting pads, the mounting plate is fixedly connected to the output of the telescopic columns, and an adjustment frame is mounted on the upper side of the mounting plate, a pair of limit columns are fixedly mounted on the upper side of the mounting plate, and each pair of limit columns is provided with two, and a plurality of weight-increasing blocks are mounted on the outer side of the limit columns. The telescopic columns are fixedly mounted on the upper side of the mounting pad, and the pair of telescopic columns include two telescopic columns of the same specifications. The mounting plate is mounted on the output end of the telescopic columns, and the adjustment frame is mounted on the upper side thereof, and the two ends of the adjustment frame are respectively mounted on the output of the corresponding telescopic columns. The adjustment frame can adjust the number of weight-increasing blocks. Each weight of the weight-increasing block is different, and multiple weight-increasing blocks can be added on the upper side of the mounting plate according to actual needs. The weight-increasing blocks are inserted through the outer side of the limit columns, and the function of the limit columns is to limit the position of the weight-increasing blocks.
[0009] Preferably, the upper end of the caster body is mounted on the lower side of the mounting plate, the adjustment frame and the output end of the telescopic column are mounted with a first fixing bolt, and the first fixing bolt is mounted at both ends of the adjustment frame, and the outer side of the telescopic column is mounted with a second fixing bolt, and the second fixing bolt is mounted on the outer side of the telescopic column, and one end of the second fixing bolt passes through the inner wall of the telescopic column. The caster body is mounted on the lower side of the mounting plate, and the connecting end of the caster body is inserted into the interior of the mounting plate. The two ends of the adjustment frame are sleeved on the output of the telescopic column and are adjusted by corresponding first fixing bolts. The position of the adjustment frame and the mounting plate is convenient for installing one or more weight blocks, facilitating multi-directional detection of the caster. The telescopic column not only supports the mounting plate and the adjustment frame, but also adjusts the height of the mounting plate and the adjustment frame, facilitating installation of casters of various sizes.
[0010] Preferably, a fixing block is mounted on the inner wall of the mounting plate, and a fixing spring is provided between the fixing block and the inner wall of the mounting plate. The ends of the fixing spring are fixedly connected to the inner wall of the mounting plate and one side of the fixing block, respectively. The upper end of the caster body is disposed within the interior of the mounting plate. The upper end of the caster body is generally a rectangular block. The upper end of the caster body is inserted into the interior of the underside of the mounting plate. The fixing block generates an elastic force due to the elastic deformation of the fixing spring itself, thereby securing the caster body to the underside of the mounting plate. Caster bodies of various sizes can be mounted on the underside of the mounting plate.
[0011] Preferably, the feedback mechanism includes a long tube, one end of which is fixedly mounted on the inner wall of the upper end of the support frame, and a threaded rod is installed inside the long tube, the upper end of the threaded rod passes through the upper end of the long tube, and the lower end of the threaded rod is fixedly mounted with a pressure sensor, a support block is fixedly mounted on one side of the mounting plate, and a touch rod is fixedly mounted on the upper side of the support block. The support block in the feedback mechanism is fixedly connected to one side of the mounting plate, the long tube is fixedly mounted inside the support frame, and the threaded rod installed inside it is used to adjust the position of the pressure sensor to reduce errors, and the touch rod is fixedly mounted on the upper side of the support block. Since the position of the mounting plate can be adjusted, the threaded rod drives the pressure sensor at one end to move with the position of the mounting plate. When the caster is performing detection, the mounting plate will produce bumps, which will drive the touch rod to touch the pressure sensor, causing the pressure sensor to react. The pressure sensor is additionally connected to a data recorder, which can provide timely feedback and record detection data.
[0012] Preferably, a rotating head is mounted on the upper end of the threaded rod, the rotating head being located on the upper side of the support frame and being rotatably connected to the upper side of the support frame. One end of the touch rod is disposed on the inner wall of the long tube, and the upper end of the touch rod is disposed below the output end of the pressure sensor. The rotating head is disposed on the upper side of the support frame and is threadedly connected to the threaded rod. Rotation of the rotating head can drive the threaded rod to move vertically, thereby driving the pressure sensor at one end thereof to move vertically, facilitating adjustment of the position of the pressure sensor.
[0013] (3) Beneficial effects
[0014] Compared with the prior art, the utility model provides a caster shaft test feedback device, which has the following beneficial effects: in this caster shaft detection feedback device, the caster shaft is generally installed inside the caster during detection, and the caster is installed on the upper side of the rotating disk for operation, and the caster body is installed below the detection mechanism. The detection mechanism can switch the detection type and detect the caster body. During the detection process, the feedback mechanism connected to the detection mechanism will timely feedback the detection data to reduce the error in the detection process, and then the driving motor drives the rotating disk on the upper side of the base to rotate, and the rotating disk drives the upper caster body to operate, thereby achieving the effect of multi-functional detection and timely feedback of data. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is the overall structure diagram of the utility model;
[0016] Figure 2 This is the internal structure diagram of the utility model;
[0017] Figure 3 This is a structural diagram of the detection mechanism of the utility model;
[0018] Figure 4 It is a partial three-dimensional cross-sectional view of the base of the utility model;
[0019] Figure 5 This is a structural diagram of the feedback mechanism of the utility model.
[0020] In the figure: 1. Base; 2. Support foot; 3. Support frame; 4. Caster body; 5. Rotating disk; 6. Detection mechanism; 601. Mounting plate; 602. Adjustment frame; 603. First fixing bolt; 604. Limit column; 605. Telescopic column; 606. Second fixing bolt; 7. Weight block; 8. Feedback mechanism; 801. Long cylinder; 802. Threaded rod; 803. Rotating head; 804. Touch rod; 805. Pressure sensor; 806. Support block; 9. Mounting pad; 10. Fixing block; 11. Fixing spring; 12. Obstacle bar; 13. Drive motor. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0022] Example: See Figure 1-5 A caster shaft test feedback device includes a base 1, and a support frame 3 fixedly connected on both sides of the base 1, and support feet 2 are fixedly installed on the lower sides of the base 1 and the support frame 3, a rotating disk 5 is installed on the upper side of the base 1, and a caster body 4 is installed on the upper side of the rotating disk 5, detection mechanisms 6 are respectively installed at both ends of the upper side of the base 1, and the caster body 4 is installed below the detection mechanism 6, a feedback mechanism 8 is installed inside the support frame 3, and the feedback mechanism 8 is connected to the detection mechanism 6, a drive motor 13 is installed inside the base 1, and the rotating disk 5 is installed on the output of the drive motor 13, and an obstacle bar 12 is fixedly installed on the upper side of the rotating disk 5.
[0023] Among them, the caster shaft is generally installed inside the caster during inspection, and then the caster is installed on the upper side of the rotating disk 5 for operation. The caster body 4 is installed below the detection mechanism 6. The detection mechanism 6 can switch the detection type and detect the caster body 4. During the detection process, the feedback mechanism 8 connected to the detection mechanism 6 will timely feedback the detection data to reduce the error in the detection process. The driving motor 13 drives the rotating disk 5 on the upper side of the base 1 to rotate, and the rotating disk 5 drives the caster body 4 on the upper side to run. The obstacle bar 12 is magnetically attracted to the upper side of the rotating disk 5. It can be disassembled according to actual detection, which is convenient for obstacle testing of the caster body 4.
[0024] The detection mechanism 6 includes a mounting plate 601, and mounting pads 9 are fixedly installed on both ends of the upper side of the base 1, and a pair of telescopic columns 605 are fixedly installed on the upper side of the mounting pad 9. The mounting plate 601 is fixedly connected to the output of the telescopic columns 605, and an adjustment frame 602 is installed on the upper side of the mounting plate 601. A pair of limiting columns 604 are fixedly installed on the upper side of the mounting plate 601, and there are two limiting columns 604 for each pair, and a plurality of weight blocks 7 are installed on the outer side of the limiting columns 604.
[0025] Among them, the telescopic column 605 is fixedly installed on the upper side of the mounting pad 9. A pair of telescopic columns 605 includes two telescopic columns 605 of the same specifications. The mounting plate 601 is installed on the output end of the telescopic column 605. The upper side thereof is installed with an adjustment frame 602. The two ends of the adjustment frame 602 are respectively installed with the corresponding outputs of the telescopic column 605. The adjustment frame 602 can adjust the number of weight-added blocks 7. Each weight of the weight-added blocks 7 is different. Multiple weight-added blocks 7 can be added to the upper side of the mounting plate 601 according to actual needs. The weight-added blocks 7 are usually inserted on the outside of the limit column 604. The function of the limit column 604 is to limit the position of the weight-added blocks 7.
[0026] The upper end of the caster body 4 is mounted on the lower side of the mounting plate 601, and the first fixing bolt 603 is installed at the output end of the adjustment frame 602 and the telescopic column 605, and the first fixing bolt 603 is installed at both ends of the adjustment frame 602, and the outer side of the telescopic column 605 is mounted with a second fixing bolt 606, and the second fixing bolt 606 is installed on the outer side of the telescopic column 605, and one end of the second fixing bolt 606 passes through the inner wall of the telescopic column 605.
[0027] Among them, the caster body 4 is installed on the lower side of the mounting plate 601, the connecting end of the caster body 4 is inserted into the inside of the mounting plate 601, and the two ends of the adjustment frame 602 are sleeved on the output of the telescopic column 605, which is adjusted by the corresponding first fixing bolt 603 to make the position of the adjustment frame 602 and the mounting plate 601 convenient for installing one or more weight blocks 7, and convenient for multi-directional detection of the caster. The function of the telescopic column 605 is not only to support the mounting plate 601 and the adjustment frame 602, but also to adjust the height of the mounting plate 601 and the adjustment frame 602, so as to facilitate the installation of casters of various sizes.
[0028] A fixing block 10 is installed on the inner wall of the mounting plate 601, and a fixing spring 11 is provided between the fixing block 10 and the inner wall of the mounting plate 601. The two ends of the fixing spring 11 are fixedly connected to the inner wall of the mounting plate 601 and one side of the fixing block 10 respectively, and the upper end of the caster body 4 is arranged inside the mounting plate 601.
[0029] Among them, the upper end of the caster body 4 is generally a rectangular block. The upper end of the caster body 4 is inserted into the inside of the lower side of the mounting plate 601. The fixing block 10 generates elastic force through the elastic deformation of the fixing spring 11 itself to fix the caster body 4 to the lower side of the mounting plate 601. Caster bodies 4 of various sizes can be installed on the lower side of the mounting plate 601.
[0030] The feedback mechanism 8 includes a long cylinder 801, one end of which is fixedly mounted on the inner wall of the upper end of the support frame 3, and a threaded rod 802 is installed inside the long cylinder 801, the upper end of the threaded rod 802 passes through the upper end of the long cylinder 801, and a pressure sensor 805 is fixedly mounted on the lower end of the threaded rod 802, a support block 806 is fixedly mounted on one side of the mounting plate 601, and a touch rod 804 is fixedly mounted on the upper side of the support block 806.
[0031] Among them, the support block 806 in the feedback mechanism 8 is fixedly connected to one side of the mounting plate 601, the long cylinder 801 is fixedly installed inside the support frame 3, and the threaded rod 802 installed inside it is used to adjust the position of the pressure sensor 805 to reduce errors. The touch rod 804 is fixedly installed on the upper side of the support block 806. Since the position of the mounting plate 601 can be adjusted, the threaded rod 802 drives the pressure sensor 805 at one end to move as the position of the mounting plate 601 moves. When the caster is performing detection, the mounting plate 601 will produce bumps, which will drive the touch rod 804 to touch the pressure sensor 805, causing the pressure sensor 805 to react. The pressure sensor 805 is additionally connected to a data recorder, which can provide timely feedback and record detection data.
[0032] A rotating head 803 is installed at the upper end of the threaded rod 802, and the rotating head 803 is located on the upper side of the support frame 3, and the rotating head 803 is rotatably connected to the upper side of the support frame 3. One end of the touch rod 804 is set on the inner wall of the long tube 801, and the upper end of the touch rod 804 is set below the output end of the pressure sensor 805.
[0033] Among them, the rotating head 803 is arranged on the upper side of the support frame 3, and the rotating head 803 and the threaded rod 802 are threadedly connected. The rotation of the rotating head 803 can drive the threaded rod 802 to move vertically, thereby driving the pressure sensor 805 at one end thereof to move vertically, which is convenient for adjusting the position of the pressure sensor 805.
[0034] Working principle: The caster shaft is generally installed inside the caster during inspection, and then the caster is installed on the upper side of the rotating disk 5 for operation. The caster body 4 is installed on the lower side of the mounting plate 601, and the connecting end of the caster body 4 is inserted into the interior of the mounting plate 601. The two ends of the adjustment frame 602 are sleeved on the output of the telescopic column 605, which is adjusted by the corresponding first fixing bolt 603 to make the position of the adjustment frame 602 and the mounting plate 601 convenient for installing one or more weight blocks 7, so as to facilitate multi-directional inspection of the caster. The function of the telescopic column 605 is not only to support the mounting plate 601 and the adjustment frame 60 2, and is also used to adjust the height of the mounting plate 601 and the adjustment frame 602. The fixing block 10 generates an elastic force on the fixing block 10 by the elastic deformation of the fixing spring 11 itself, fixing the caster body 4 to the lower side of the mounting plate 601. The lower side of the mounting plate 601 can be installed with caster bodies 4 of various sizes. The adjustment frame 602 can adjust the number of weight blocks 7. Each weight of the weight block 7 is different. Multiple weight blocks 7 can be added to the upper side of the mounting plate 601 according to actual needs. The weight blocks 7 are usually inserted on the outer side of the limiting column 604. The function of the limiting column 604 is to limit the position of the weight block 7. The long cylinder 801 is fixed Installed inside the support frame 3, the threaded rod 802 installed inside is used to adjust the position of the pressure sensor 805, which is convenient for reducing errors. The rotating head 803 is set on the upper side of the support frame 3, and the rotating head 803 and the threaded rod 802 are threadedly connected. The rotation of the rotating head 803 can drive the threaded rod 802 to move vertically, thereby driving the pressure sensor 805 at one end to move vertically, which is convenient for adjusting the position of the pressure sensor 805. The touch rod 804 is fixedly installed on the upper side of the support block 806. Since the position of the mounting plate 601 can be adjusted, the threaded rod 802 drives the pressure sensor at one end. 805 moves as the position of the mounting plate 601 moves. When the caster is being tested, the mounting plate 601 will vibrate, which will drive the touch rod 804 to touch the pressure sensor 805, causing the pressure sensor 805 to react. The pressure sensor 805 is additionally connected to a data recorder, which can provide timely feedback and record detection data. The driving motor 13 drives the rotating disk 5 on the upper side of the base 1 to rotate, and the rotating disk 5 drives the caster body 4 on the upper side to run. The obstacle bar 12 is magnetically attracted to the upper side of the rotating disk 5. It can be disassembled according to actual detection, which is convenient for obstacle testing of the caster body 4.
[0035] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A caster shaft test feedback device, comprising a base (1), and a support frame (3) fixedly connected to both sides of the base (1), wherein support feet (2) are fixedly mounted on the lower sides of the base (1) and the support frame (3), and characterized in that: A rotating disk (5) connected in rotation is installed on the upper side of the base (1), and a caster body (4) is installed on the upper side of the rotating disk (5). Detection mechanisms (6) are installed at both ends of the upper side of the base (1), and the caster body (4) is installed below the detection mechanism (6). A feedback mechanism (8) is installed inside the support frame (3), and the feedback mechanism (8) is connected to the detection mechanism (6). A driving motor (13) is installed inside the base (1), and the rotating disk (5) is installed at the output end of the driving motor (13). An obstacle bar (12) is fixedly installed on the upper side of the rotating disk (5).
2. The caster shaft test feedback device according to claim 1, characterized in that: The detection mechanism (6) includes a mounting plate (601), mounting pads (9) are fixedly mounted on both ends of the upper side of the base (1), and a pair of telescopic columns (605) are fixedly mounted on the upper side of the mounting pads (9), the mounting plate (601) is fixedly connected to the output ends of the telescopic columns (605), and an adjustment frame (602) is mounted on the upper side of the mounting plate (601), a pair of limiting columns (604) are fixedly mounted on the upper side of the mounting plate (601), and each pair of limiting columns (604) is provided with two, and a plurality of weight blocks (7) are mounted on the outer sides of the limiting columns (604).
3. The caster shaft test feedback device according to claim 2, characterized in that: The upper end of the caster body (4) is mounted on the lower side of the mounting plate (601); the output end of the adjustment frame (602) and the telescopic column (605) is mounted with a first fixing bolt (603), and the first fixing bolt (603) is mounted at both ends of the adjustment frame (602); the outer side of the telescopic column (605) is mounted with a second fixing bolt (606), and the second fixing bolt (606) is mounted on the outer side of the telescopic column (605); one end of the second fixing bolt (606) passes through the inner wall of the telescopic column (605).
4. The caster shaft test feedback device according to claim 3, characterized in that: A fixing block (10) is installed on the inner wall of the mounting plate (601), and a fixing spring (11) is provided between the fixing block (10) and the inner wall of the mounting plate (601), the two ends of the fixing spring (11) are fixedly connected to the inner wall of the mounting plate (601) and one side of the fixing block (10), respectively, and the upper end of the caster body (4) is arranged inside the mounting plate (601).
5. The caster shaft test feedback device according to claim 2, characterized in that: The feedback mechanism (8) comprises a long cylinder (801), one end of the long cylinder (801) is fixedly mounted on the inner wall of the upper end of the support frame (3), and a threaded rod (802) is mounted inside the long cylinder (801), the upper end of the threaded rod (802) passes through the upper end of the long cylinder (801), and a pressure sensor (805) is fixedly mounted on the lower end of the threaded rod (802), a support block (806) is fixedly mounted on one side of the mounting plate (601), and a touch rod (804) is fixedly mounted on the upper side of the support block (806).
6. The caster shaft test feedback device according to claim 5, characterized in that: A rotating head (803) is installed at the upper end of the threaded rod (802), the rotating head (803) is located on the upper side of the support frame (3), and the rotating head (803) is rotatably connected to the upper side of the support frame (3). One end of the touch rod (804) is arranged on the inner wall of the long cylinder (801), and the upper end of the touch rod (804) is arranged below the output end of the pressure sensor (805).