Height adjusting structure of side protection strength loading device

Abstract

The height adjusting structure of the side protection strength loading device comprises a base and a pushing mechanism, a platform is arranged at the top of the base, the pushing mechanism is installed on one side of the top of the platform, a baffle is fixedly connected to the top of the base, and the platform is connected to one side of the baffle in a sliding mode. The pushing mechanism is installed on the side, close to the baffle, of the top of the platform, and the four universal wheels are fixedly installed at the four corners, away from each other, of the bottom of the base, so that the device is convenient to move; the lifting assembly is arranged in the base and used for adjusting the height of the pushing mechanism; the supporting assembly is used in cooperation with the lifting assembly and used for improving the stability of the whole device, the accuracy of test data is reduced, and the device is easy to operate and high in practicability.

Description

Technical Field

[0001] The utility model relates to the technical field of height adjustment, in particular to a height adjustment structure of a side protection strength loading device. Background Art

[0002] Before and during production, cars and trailers must undergo relevant tests that comply with regulatory requirements, including side guard strength testing, which requires the use of force and displacement sensors. There are already tests for this project in the current vehicle inspection standards. During the inspection test, different loading points need to be loaded to determine whether the load and deformation of the guard meet the regulations. This requires that the inspection device during the test must be able to meet the testing requirements of different types of guards. For this purpose, a certain design structure needs to be adopted to ensure that various types of side guards can be inspected quickly and easily.

[0003] After searching, the Chinese patent document with announcement number CN219224155U discloses a vehicle side protection detection device including: a fixed bracket, a pushing mechanism, a movable support, and a transmission mechanism; the pushing mechanism is installed on the movable support, including an electric cylinder, a flat push plate, and a pneumatic swing universal floating joint. The front end of the electric cylinder push rod is connected to the flat push plate, the front end of the flat push plate is connected to the pneumatic swing universal floating joint, and the floating joint is connected to the pressure head. When the device is in use, the following defects still exist: when in use, if it is affected by external force, it may cause the device itself to shift, thereby reducing the accuracy of the test data. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art that if the device is affected by external force during use, it may cause the device to deviate, thereby reducing the accuracy of the test data, and propose a height adjustment structure for the side protection strength loading device.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A height adjustment structure of a side protection strength loading device comprises a base and a pushing mechanism, and also comprises:

[0007] The platform is arranged on the top of the base, and the pushing mechanism is installed on one side of the top of the platform;

[0008] A baffle is fixedly connected to the top of the base, and the platform is slidably connected to one side of the baffle;

[0009] The pushing mechanism is installed on the top of the platform near the baffle;

[0010] Four universal wheels are fixedly mounted at four corners of the bottom of the base that are far away from each other, making it easy to move the device;

[0011] A lifting assembly is arranged inside the base and is used to adjust the height of the pushing mechanism;

[0012] The support assembly is used in conjunction with the lifting assembly to limit the movement of the device.

[0013] In a possible design, the lifting assembly includes a motor installed on one side of the bottom wall of the base, the output end of the motor is fixedly connected to the first bevel gear, one side of the bottom wall of the base is rotatably connected to a threaded rod, and the thread of the threaded rod passes through the platform and extends upward, the bottom end of the threaded rod is fixedly sleeved with a second bevel gear, and the second bevel gear is meshed with the first bevel gear for use.

[0014] In a possible design, a sliding rod is fixedly connected to a side of the bottom wall of the base away from the threaded rod and is symmetrically distributed with the threaded rod. The sliding rod penetrates the platform and extends upward.

[0015] In a possible design, the support assembly includes two first spur racks symmetrically fixed on both sides of the bottom of the platform, one side of the first spur rack is meshed with a gear, and the side of the gear away from the first spur rack is meshed with a second spur rack, and the three are used in combination, one side of the gear is fixedly connected to a connecting rod, the other end of the connecting rod is rotatably connected to a vertical plate, and the vertical plate is fixedly connected to the bottom wall of the base.

[0016] In a possible design, the support assembly also includes a first rectangular rod fixedly connected to the side of the second spur rack away from the gear, the first rectangular rod and the second spur rack penetrate the bottom wall of the base and extend downward, the bottom of the first rectangular rod is fixedly connected to a support leg, a second rectangular rod is slidably connected to the side of the first rectangular rod away from the gear through a slider, and the bottom end of the second rectangular rod is fixedly connected to the bottom of the base.

[0017] In a possible design, a connecting plate is fixedly connected to the top of the second rectangular rod on one side close to the first rectangular rod, a spring is fixedly connected between the connecting plate and the first rectangular rod, and the spring is respectively fixedly connected to the bottom of the connecting plate and the top of the first rectangular rod.

[0018] In a possible design, an anti-slip strip is provided in the groove at the bottom of the supporting leg.

[0019] In the present application, the motor is first started, and the output end of the motor drives the first bevel gear to rotate, and the first bevel gear drives the second bevel gear to rotate, and the second bevel gear causes the threaded rod to rotate, driving the nut block to move up and down, and the movement of the nut block causes the platform to move up and down on the outer wall of the slide rod and the threaded rod. At the same time, the platform moves upward and drives the first spur rack at the bottom to move upward. In the process of moving upward, the gear rotates, driving the second spur rack and the first rectangular rod to move downward so that the supporting leg moves downward and contacts the ground, limiting the movement of the device. At this time, the spring expands on both sides to apply a downward force to the first rectangular rod, so that the supporting leg contacts the ground more firmly, and vice versa. The limit can be released. At this time, the pushing mechanism can adjust the corresponding height by moving the platform upward to start operation.

[0020] In the utility model, the height adjustment structure of the side protection strength loading device can limit the movement of the device by adjusting the lifting component.

[0021] In the utility model, the pushing mechanism can adjust the lifting height through the cooperation of the nut block and the threaded rod. When adjusting the height, the cooperation of the two racks and the gear can realize the limitation of the movement of the whole device while adjusting the height, so that the device will not be offset due to interference from external forces during testing, thereby reducing the accuracy of the test data. The whole device is simple to operate and has strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the front view of a height adjustment structure of a side protection strength loading device proposed by the utility model;

[0023] Figure 2 It is a side view structural schematic diagram of a height adjustment structure of a side protection strength loading device proposed by the utility model;

[0024] Figure 3 A schematic diagram of the gear and rack structure of a height adjustment structure of a side protection strength loading device proposed by the utility model;

[0025] Figure 4 A schematic diagram of the lifting assembly structure of a height adjustment structure of a side protection strength loading device proposed by the utility model;

[0026] Figure 5 This is a schematic diagram of a height adjustment structure of a side protection strength loading device proposed by the utility model when a pushing mechanism is installed.

[0027] In the figure: 1. base; 2. platform; 3. baffle; 4. driving mechanism; 5. sliding rod; 6. threaded rod; 7. universal wheel; 8. supporting leg; 9. motor; 10. first bevel gear; 11. second bevel gear; 12. anti-slip strip; 13. first straight rack; 14. gear; 15. first rectangular rod; 16. second straight rack; 17. second rectangular rod; 18. vertical plate; 19. connecting rod; 20. connecting plate; 21. spring. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0029] Embodiment 1

[0030] Reference Figure 1-Figure 5 A height adjustment structure of a side protection strength loading device, which is used in the field of height adjustment, includes: a base 1 and a pushing mechanism 4, wherein the pushing mechanism 4 can be the same as that in the patent CN219224155U (as disclosed in paragraph 0005 of the patent specification, "the pushing mechanism is installed on a movable support, the pushing mechanism includes an electric cylinder, a flat push plate, and a pneumatic swing universal floating joint, the front end of the electric cylinder push rod is connected to the flat push plate, the front end of the flat push plate is connected to the pneumatic swing universal floating joint, and the pneumatic swing universal floating joint is connected to a pressure head for applying pressure to a vehicle body"). The platform is arranged on the top of the base 1, and the pushing mechanism 4 is installed on one side of the top of the platform 2, and the baffle 3 is fixedly connected The device is connected to the top of the base 1, and the platform 2 is slidably connected to one side of the baffle 3. The pushing mechanism 4 is installed on the top of the platform 2 near the side of the baffle 3. Four universal wheels 7 are fixedly installed at four corners of the bottom of the base 1 that are far away from each other, so as to facilitate the movement of the device. The lifting assembly is arranged inside the base 1. The supporting assembly cooperates with the lifting assembly to limit the movement of the device. The lifting assembly includes a motor 9 installed on one side of the bottom wall of the base 1. The output end of the motor 9 is fixedly connected to the first bevel gear 10. One side of the bottom wall of the base 1 is rotatably connected to the threaded rod 6, and the threaded rod 6 extends upward through the platform 2. The bottom end of the threaded rod 6 is fixedly sleeved with a second bevel gear 11, and the second bevel gear 11 is meshed with the first bevel gear 10 for use. Start the motor 9, the output shaft of the motor 9 drives the first bevel gear 10 to rotate, the first bevel gear 10 drives the second bevel gear 11 to rotate, and then drives the threaded rod 6 to rotate, so that the platform 2 moves upward.

[0031] In one aspect of this embodiment, reference Figure 3The support assembly includes two first spur racks 13 symmetrically fixed on both sides of the bottom of the platform 2, one side of the first spur rack 13 is meshed with a gear 14, and the side of the gear 14 away from the first spur rack 13 is meshed with a second spur rack 16, and the three are used in coordination, one side of the gear 14 is fixedly connected to a connecting rod 19, and the other end of the connecting rod 19 is rotatably connected to a vertical plate 18, and the vertical plate 18 is fixedly connected to the bottom wall of the base 1. When the platform 2 moves upward, it drives the first spur rack 13 to move upward, and the first spur rack 13 causes the gear 14 to rotate and drive the second spur rack 16 to move downward, and vice versa, it also moves the second rack 16 upward, and the gear 14 is positioned on the vertical plate 18 through the connecting rod 19.

[0032] In one aspect of this embodiment, reference Figure 2 , Figure 3 The support assembly also includes a first rectangular rod 15 fixedly connected to the side of the second spur rack 16 away from the gear 14. The first rectangular rod 15 and the second spur rack 16 penetrate the bottom wall of the base 1 and extend downward. The bottom of the first rectangular rod 15 is fixedly connected with a support leg 8. The side of the first rectangular rod 15 away from the gear 14 slides with a second rectangular rod 17 through a slider, and the bottom end of the second rectangular rod 17 is fixedly connected to the bottom of the base 1. Start the motor 9, the output shaft of the motor 9 drives the second bevel gear 11 to rotate, so that the threaded rod 6 rotates to drive the platform 2 to rise. The rise of the platform 2 will also drive the first spur rack 13 to move upward. The gear 14 rotates counterclockwise to move the first rectangular rod 15 and the second spur rack 16 downward. The support leg 8 at the bottom also moves downward and contacts the ground, limiting the movement of the universal wheel 7, further enhancing the stability of the device. Similarly, the reverse rotation of the motor 9 can also make the support leg 8 move upward to release the movement restriction of the universal wheel 7, and the second rectangular rod 17 plays a guiding and fixing role.

[0033] In one aspect of this embodiment, reference Figure 3 , Figure 4 , a connecting plate 20 is fixedly connected to the top of the second rectangular rod 17 near the first rectangular rod 15, a spring 21 is fixedly connected between the connecting plate 20 and the first rectangular rod 15, and the spring 21 is respectively fixedly connected to the bottom of the connecting plate 20 and the top of the first rectangular rod 15. When the second rack 16 moves downward with the first rectangular rod 15, the compressed spring 21 will expand, and when the support leg 8 touches the ground, the first straight rack 13 is out of mesh with the gear 14, and when the first rectangular rod 15 descends, the spring 21 will give a downward force, so that the support leg 8 is more stable when it touches the ground.

[0034] Embodiment 2

[0035] refer to Figure 1, based on the improvement of the first embodiment: a sliding rod 5 is fixedly connected to the bottom wall of the base 1 on the side away from the threaded rod 6, and is symmetrically distributed with the threaded rod 6, and the sliding rod 5 penetrates the platform 2 and extends upward.

[0036] refer to Figure 4 , based on the improvement of the first embodiment: an anti-slip strip 12 is provided in the groove at the bottom of the supporting leg 8. The anti-slip strip 12 increases the friction between the supporting leg 8 and the ground, so that the device is not easy to deviate when encountering external force during use.

[0037] However, as is well known to those skilled in the art, the working principle and wiring method of the motor 9 are commonplace, and are conventional means or common knowledge, and will not be elaborated here. Those skilled in the art may make any selections according to their needs or convenience.

[0038] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A height adjustment structure of a side protection strength loading device, comprising a base (1) and a pushing mechanism (4), characterized in that: Also includes: A platform (2) is arranged on the top of the base (1), and a driving mechanism (4) is installed on one side of the top of the platform (2); A baffle (3) is fixedly connected to the top of the base (1), and the platform (2) is slidably connected to one side of the baffle (3); A pushing mechanism (4) is installed on the top of the platform (2) and close to the baffle (3); Four universal wheels (7) are fixedly mounted at four corners of the bottom of the base (1) that are away from each other, so as to facilitate the movement of the device; A lifting assembly, arranged inside the base (1) and used for adjusting the height of the pushing mechanism (4); The support assembly is used in conjunction with the lifting assembly to increase the stability of the entire device.

2. The height adjustment structure of the side protection strength loading device according to claim 1 is characterized in that: The lifting assembly comprises a motor (9) mounted on one side of the bottom wall of the base (1); the output end of the motor (9) is fixedly connected to a first bevel gear (10); one side of the bottom wall of the base (1) is rotatably connected to a threaded rod (6); the threaded rod (6) passes through the platform (2) and extends upward; the bottom end of the threaded rod (6) is fixedly sleeved with a second bevel gear (11); and the second bevel gear (11) is meshed with the first bevel gear (10) for use.

3. The height adjustment structure of the side protection strength loading device according to claim 2 is characterized in that: A sliding rod (5) is fixedly connected to the side of the bottom wall of the base (1) away from the threaded rod (6) and is symmetrically distributed with the threaded rod (6). The sliding rod (5) penetrates the platform (2) and extends upward.

4. The height adjustment structure of the side protection strength loading device according to claim 1 or 2, characterized in that: The support assembly comprises two first spur racks (13) symmetrically fixed on both sides of the bottom of the platform (2); one side of the first spur rack (13) is meshed with a gear (14); the side of the gear (14) away from the first spur rack (13) is meshed with a second spur rack (16); and the three are used in coordination; one side of the gear (14) is fixedly connected to a connecting rod (19); the other end of the connecting rod (19) is rotatably connected to a vertical plate (18); and the vertical plate (18) is fixedly connected to the bottom wall of the base (1).

5. The height adjustment structure of the side protection strength loading device according to claim 4 is characterized in that: The support assembly further comprises a first rectangular rod (15) fixedly connected to a side of the second spur rack (16) away from the gear (14); the first rectangular rod (15) and the second spur rack (16) penetrate the bottom wall of the base (1) and extend downward; the bottom of the first rectangular rod (15) is fixedly connected to a support leg (8); a second rectangular rod (17) is slidably connected to a side of the first rectangular rod (15) away from the gear (14) via a slider; and the bottom end of the second rectangular rod (17) is fixedly connected to the bottom of the base (1).

6. The height adjustment structure of the side protection strength loading device according to claim 5 is characterized in that: A connecting plate (20) is fixedly connected to the top of the second rectangular rod (17) on one side close to the first rectangular rod (15), a spring (21) is fixedly connected between the connecting plate (20) and the first rectangular rod (15), and the spring (21) is respectively fixedly connected to the bottom of the connecting plate (20) and the top of the first rectangular rod (15).

7. The height adjustment structure of the side protection strength loading device according to claim 5 is characterized in that: An anti-slip strip (12) is provided in the groove at the bottom of the supporting leg (8).

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