Closed truck fastening point strength testing device capable of meeting testing at different angles

Abstract

The utility model discloses a closed truck fastening point strength test device capable of satisfying different angle tests, comprising a movable test main body, a fastening point connecting assembly and a fastening point fixing assembly, the fastening point connecting assembly is connected with one of the fastening points, the fastening point fixing assembly is connected with the other three fastening points, and the test main body is connected with the fastening point connecting assembly. The fastening point connecting assembly is arranged on the test main body through an angle adjusting assembly, the angle adjusting assembly can realize the angle adjustment of the fastening point connecting assembly around the up-down direction and the left-right direction of the corresponding fastening point, and an anti-moving assembly used for preventing the test main body from rotating and moving is arranged between the test main body and the fastening point fixing assembly. The structure is simple, angle adjustment of the fastening point connecting assembly around the vertical direction and the left-right direction of the corresponding fastening point can be achieved through the angle adjusting assembly, a closed truck fastening point strength test is more sufficient, and meanwhile test force of the fastening point and a connecting piece and deformation in the test force direction can be measured and tested.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile parts detection, and in particular relates to a closed truck fastening point strength test device capable of meeting the test requirements at different angles. Background Art

[0002] The securing point is a fixed component or integrated device on a truck that is connected to the securing device in an appropriate manner and is used to transfer the cargo securing force to the vehicle structure. It may be a ring, loop, knot, hook, etc. There are usually 4 securing points distributed in a rectangular shape on the vehicle. To ensure the operational safety of the vehicle, each securing point will be subjected to a strength test when the vehicle is officially used.

[0003] In the prior art, there are various devices that facilitate strength testing of the securing points, such as a device for strength testing of securing points of van-type operating trucks disclosed in Chinese patent CN210638885U, an automatic detection device for the load-bearing capacity of securing points of trucks disclosed in CN212674625U, a vehicle securing point testing device disclosed in CN217211382U, a securing point strength testing device disclosed in CN219201173U, and an adjustment bracket for inspecting securing points of trucks disclosed in CN211875572U. However, these devices are only applicable to strength testing of securing points that are perpendicular to or at a small angle to the securing point installation surface. In GB / T43405-2023 "Technical requirements and test methods for cargo isolation devices and securing points of closed trucks" and ISO 27956:2009 "Road vehicles—Securing of cargo in delivery vans—Requirements and test methods", strength tests at multiple angles are required when conducting strength tests of securing points, which cannot be met by existing equipment. Utility Model Content

[0004] The utility model proposes a closed truck fastening point strength test device which can meet the requirements of tests at different angles. In the closed truck fastening point strength test, the device can meet the requirements of tests at different angles.

[0005] To this end, the technical solution adopted by the utility model is: a closed truck tie-down point strength test device that can meet different angle tests, including a movable test body, a tie-down point connection assembly and a tie-down point fixing assembly, the tie-down point connection assembly is used to connect with one of the tie-down points, the tie-down point fixing assembly is used to connect with the remaining three tie-down points, the tie-down point connection assembly is arranged on the test body through an angle adjustment assembly, and the angle adjustment assembly can realize the angle adjustment of the tie-down point connection assembly in the up-down direction and left-right direction around the corresponding tie-down point, and an anti-movement assembly is arranged between the test body and the tie-down point fixing assembly to prevent the test body from rotating and moving during the test.

[0006] As a preferred embodiment of the above scheme, the fastening point fixing assembly includes a fastening point support frame arranged corresponding to each fastening point, and two adjacent fastening point support frames are connected by a connecting frame with a telescopic function.

[0007] Further preferably, the connecting frame includes a connecting fixed frame and a connecting movable frame, one end of the connecting movable frame is sleeved in the connecting fixed frame, and the connecting movable frame can slide along the extension direction of the connecting fixed frame, the connecting movable frame is arranged on the middle fastening point support frame, and a telescopic fixing structure is arranged between the connecting movable frame and the connecting fixed frame for fixing the relative position of the connecting movable frame after sliding.

[0008] Further preferably, the anti-motion assembly includes a main body fixing frame arranged on the test main body, and the main body fixing frame is located below the connecting frame, and a main body fixing assembly is arranged between the main body fixing frame and the connecting frame.

[0009] Further preferably, the main body fixing assembly includes a clamping plate located above the connecting frame and an anti-rotation plate arranged above the main body fixing frame, and a connecting clamping assembly capable of pressing the anti-rotation plate onto the main body fixing frame is arranged between the anti-rotation plate and the clamping plate.

[0010] Further preferably, the upper end of the main body fixing frame is provided with a C-shaped groove extending forward and backward, and notches that can be stuck in the C-shaped groove are provided on the two ends of the bottom surface of the anti-rotation plate corresponding to the C-shaped groove. The connecting and clamping assembly includes a clamping bolt that passes through the clamping plate and the anti-rotation plate in sequence from the top, and clamping bolts are provided on the front and rear sides of the connecting frame. The clamping bolt and the clamping plate are threadedly matched, and the upper and lower sides of the anti-rotation plate are provided with clamping nuts for keeping the anti-rotation plate clamped on the main body fixing frame and threadedly connected to the clamping bolts.

[0011] Further preferably, the main body fixing assembly is provided with two groups at intervals on the left and right, the main body fixing frame includes two first fixing frames arranged in parallel and extending front and back, and a fixed connecting frame is provided on the side of the two first fixing frames away from the test body, and the U-shaped groove is provided on the first fixing frame.

[0012] Further preferably, the anti-motion assembly includes a turnbuckle bolt arranged between the test body and the connecting frame, and at least two turnbuckle bolts are arranged at intervals between each connecting frame and the test body.

[0013] Further preferably, the fastening point connection assembly includes a hook arranged at one end of the telescopic assembly, and a force sensor for measuring force and a displacement sensor for detecting the telescopic distance of the telescopic assembly are arranged between the telescopic assembly and the hook.

[0014] Further preferably, the angle adjustment assembly includes a left-right adjustment assembly arranged on the right side of the test body and an up-down angle adjustment assembly arranged inside the test body, and the left-right adjustment assembly is arranged inside the up-down angle adjustment assembly;

[0015] The left and right adjustment assembly comprises a rotating arm, and the rotating arm is provided with left and right circular arc grooves. The fastening point connection assembly is arranged in the left and right circular arc grooves through connecting adjustment bolts. When the connecting adjustment bolts are loosened, the connecting adjustment bolts can slide in the left and right circular arc grooves. When tightened, one end of the fastening point connection assembly can be fixed.

[0016] The upper and lower angle adjustment assembly includes adjustment plates arranged in the test body at upper and lower intervals, each adjustment plate is provided with upper and lower arc grooves, an upper and lower adjustment bolt is provided between the rotating arm and each upper and lower arc groove, and the upper end of the rotating arm is also provided with a rotating axis bolt for realizing the upper and lower rotation around the fastening point. When the upper and lower adjustment bolts and the rotating axis bolts are loosened at the same time, the rotating arm can rotate in the upper and lower arc grooves, and the rotation position can be fixed when tightened at the same time.

[0017] Further preferably, the test body includes an upper top surface and a lower bottom surface spaced apart from each other, the upper top surface and the lower bottom surface are both arranged as rectangular structures, and the lower bottom surface is provided with a notch on the side facing the connection of the fastening point connection assembly, and a fixed support column is provided at the corner between the upper top surface and the lower bottom surface; the adjustment plate is arranged on the lower side of the upper top surface and the upper side of the lower bottom surface, and is also equipped with a movable support column for supporting the connection side close to the fastening point connection assembly, and the movable support column adopts a telescopic cylinder.

[0018] The beneficial effects of the utility model are as follows: the structure is simple, and the angle adjustment component can realize the angle adjustment of the fastening point connection component around the corresponding fastening point in the up-down direction and the left-right direction, so that the strength test of the fastening point of the closed truck is more sufficient, and at the same time, the test force of the test fastening point and the connecting part and the deformation along the test force direction can be measured. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the utility model.

[0020] Figure 2 It is a schematic diagram of the installation of the connecting and clamping assembly in the utility model.

[0021] Figure markings: test body-1, fastening point support frame-2, connecting fixed frame-3, connecting movable frame-4, main body fixing frame-5, U-shaped groove-5a, clamping plate-6, anti-rotation plate-7, clamping bolt-8, clamping nut-9, telescopic assembly-10, hook-11, force sensor-12, rotating arm-13, connecting adjustment bolt-14, adjustment plate-15, up and down adjustment bolt-16, rotating axis bolt-17. DETAILED DESCRIPTION

[0022] The present invention will be further described below by way of embodiments and in conjunction with the accompanying drawings:

[0023] like Figure 1-2 As shown, a closed truck tie-down point strength test device that can meet different angle tests mainly comprises a test body 1, an angle adjustment component, an anti-movement component, a tie-down point connection component and a tie-down point fixing component. The test body is not fixedly arranged on the plane where the tie-down is located, so that different tie-down points can be switched for testing during the test. The tie-down point connection component is used to connect to one of the tie-down points, and the tie-down point fixing component is used to connect to the remaining three tie-down points.

[0024] The fastening point connection assembly is arranged on the test body 1 through the angle adjustment assembly, and the angle adjustment assembly can realize the angle adjustment of the fastening point connection assembly around the corresponding fastening point in the up-down direction and the left-right direction. In order to prevent the test body from moving after the test fastening point is determined during the test, an anti-movement assembly is arranged between the test body 1 and the fastening point fixing assembly to prevent the test body 1 from rotating and moving during the test, so that the four fastening points can form a whole, thereby enabling a real simulation test.

[0025] The fastening point fixing assembly includes a fastening point support frame 2 corresponding to each fastening point, and two adjacent fastening point support frames 2 are connected by a connecting frame with a telescopic function. Since three fastening points need to be fixed, the two connecting frames form an L shape. The height of the fastening point support frame is set according to the structure of the anti-movement assembly. Preferably, the fastening point support frame and the connecting frame are both set as square steel, and the three fastening points are connected by the fastening point fixing assembly, which can not only achieve the purpose of fixing the test subject, but also ensure that the three fastening points are evenly stressed, so that the test subject can withstand greater force during the test.

[0026] To ensure strength, the connecting frame includes a connecting fixed frame 3 and a connecting movable frame 4, and the connecting movable frame 4 is sleeved on the connecting fixed frame 3 and can slide along the extending direction of the connecting fixed frame 3, and the connecting movable frame 4 is arranged on the middle fastening point support frame 2, that is, the two connecting movable frames are arranged at the intersection of the front and rear extension sections and the left and right extension sections of the L-shaped. Preferably, the two movable frames are integrally arranged with the fastening point support frame located at the middle fastening point, and the two connecting fixed frames are integrally arranged with the corresponding two fastening point support frames.

[0027] A telescopic fixing structure for fixing the relative position of the connecting movable frame after sliding is provided between the connecting movable frame 4 and the connecting fixed frame 3. The telescopic fixing structure can be automatically telescopic by a telescopic cylinder or a manual telescopic fixing by a bolt passing through a slide slot or hole.

[0028] The anti-movement assembly includes a main body fixing frame 5 arranged on the test body 1, and the main body fixing frame 5 is located below the connecting frame, and a main body fixing assembly is arranged between the main body fixing frame 5 and the connecting frame. The main body fixing assembly includes a clamping plate 6 located above the connecting frame and an anti-rotation plate 7 arranged above the main body fixing frame 5, and a connecting clamping assembly capable of pressing the anti-rotation plate 7 onto the main body fixing frame 5 is arranged between the anti-rotation plate 7 and the clamping plate 6.

[0029] In order to facilitate the adjustment of the connection pressing assembly as the distance between two adjacent fastening points changes, a front-to-back extending U-shaped groove 5a is provided on the upper end of the main body fixing frame 5, and correspondingly, notches that can be stuck in the U-shaped groove are provided at both ends of the corresponding U-shaped groove on the bottom surface of the anti-rotation plate 7. By moving the anti-rotation plate on the main body fixing frame, it can be applied to the strength test of fastening points with different spacings.

[0030] The connection clamping assembly includes a clamping bolt 8 that passes through the clamping plate 6 and the anti-rotation plate 7 from the top in sequence. The clamping bolts 8 are arranged on the front and rear sides of the connection frame, and the clamping bolts 8 and the clamping plate 6 are threadedly matched. To fix the anti-rotation plate, clamping nuts 9 for keeping the anti-rotation plate 7 pressed against the main body fixing frame and threadedly connected with the clamping bolts are arranged on the upper and lower sides of the anti-rotation plate 7. Preferably, the main body fixing frame is made of channel steel, and the anti-rotation plate is arranged above the connection fixing frame.

[0031] Of course, the connection and clamping assembly can adopt other structures, such as a clamping flange is provided on the main body fixing frame, and a strip groove extending forward and backward is provided on the clamping flange, in which case the clamping bolt and the clamping plate are not threadedly connected. Preferably, the main body fixing assembly is provided with two groups at intervals on the left and right, in which case the main body fixing frame 5 includes two first fixing frames arranged in parallel and extending forward and backward, and a fixed connection frame is provided on the side of the two first fixing frames away from the test body, and a U-shaped groove is provided on the first fixing frame extending forward and backward.

[0032] Of course, the anti-rotation assembly can also adopt other structures as needed, such as a basket bolt is provided between the test body 1 and the connecting frame, and at least two basket bolts are provided between each connecting frame and the test body, and the basket bolts and the test body and the connecting frame are provided with lifting rings for installing the basket bolts. In this case, a connecting frame is provided directly between any two fastening points, and the distance between the fastening point support frame and the fastening point fixed bottom surface is set. The above two structures can also be used in combination.

[0033] To facilitate the strength test, the fastening point connection assembly includes a hook 11 arranged at one end of the telescopic assembly 10, and a force sensor 12 for measuring force and a displacement sensor for detecting the telescopic distance of the telescopic assembly are arranged between the telescopic assembly 10 and the hook 11. The displacement sensor and the force sensor can measure the test force of the test fastening point and the connecting piece and the deformation along the test force direction. The telescopic assembly can adopt an electric structure such as a telescopic cylinder, or other manual structures with telescopic functions.

[0034] The angle adjustment assembly includes a left-right adjustment assembly arranged on the right side of the test body and an up-down angle adjustment assembly arranged in the test body, and the left-right adjustment assembly is arranged in the up-down angle adjustment assembly. It is preferred that the test body is arranged as a rectangular frame structure, wherein the up-down angle adjustment assembly is arranged in the rectangular frame, and the left-right angle adjustment assembly is arranged on the side of the rectangular frame.

[0035] The left and right adjustment assembly includes a rotating arm 13, on which left and right circular arc grooves are arranged, and the fastening point connection assembly is arranged in the left and right circular arc grooves through the connection adjustment bolts 14. When the connection adjustment bolts are loosened, the connection adjustment bolts can slide in the left and right circular arc grooves, and when tightened, one end of the fastening point connection assembly can be fixed.

[0036] The up-down angle adjustment assembly includes an adjustment plate 15 arranged in the test body at an interval of up and down, each adjustment plate is provided with an up-down circular arc groove, an up-down adjustment bolt 16 is provided between the rotating arm 13 and each up-down circular arc groove, and a rotating shaft bolt 17 for realizing the up-down rotation around the fastening point is also provided at the upper end of the rotating arm 13. When the up-down adjustment bolt 16 and the rotating shaft bolt 17 are loosened at the same time, the rotating arm 13 can be rotated in the up-down circular arc groove, and when tightened at the same time, the rotation position can be fixed.

[0037] The test body 1 includes an upper top surface and a lower bottom surface spaced apart from each other. Both the upper top surface and the lower bottom surface are arranged in a rectangular structure. A notch is arranged on the side of the lower bottom surface facing the connection of the fastening point connection assembly. In order to ensure the support strength, a fixed support column located at the corner is arranged between the upper top surface and the lower bottom surface. The adjustment plate is arranged on the lower side of the upper top surface and the upper side of the lower bottom surface. It is also equipped with a movable support column for supporting the side close to the connection of the fastening point connection assembly. The movable support column adopts a telescopic cylinder. In this embodiment, the fastening point connection assembly can achieve an upper and lower angle adjustment range of 0-60° around the fastening point, and a left and right adjustment range of 0-180° around the fastening point. Of course, if the strength of the test body is met, upper and lower arc grooves with larger arc center angles can be arranged to expand the left and right angle adjustment range of the fastening point connection assembly as needed.

[0038] In order to facilitate the control of the operation of the electrical components in the entire device, a control cabinet with a control system is also provided, wherein the control system is prior art.

Claims

1. A closed truck tie-down point strength test device capable of meeting different angle tests, characterized in that: The invention comprises a movable test body (1), a fastening point connection component and a fastening point fixing component, wherein the fastening point connection component is used to connect to one of the fastening points, and the fastening point fixing component is used to connect to the remaining three fastening points. The fastening point connection component is arranged on the test body (1) via an angle adjustment component, and the angle adjustment component can realize the angle adjustment of the fastening point connection component in the up-down direction and the left-right direction around the corresponding fastening point. An anti-movement component is arranged between the test body (1) and the fastening point fixing component for preventing the test body (1) from rotating and moving during the test.

2. The closed truck fastening point strength test device capable of meeting different angle tests as claimed in claim 1, characterized in that: The fastening point fixing assembly comprises a fastening point support frame (2) arranged corresponding to each fastening point, and two adjacent fastening point support frames (2) are connected via a connecting frame with a telescopic function.

3. The closed truck fastening point strength test device capable of meeting different angle tests as claimed in claim 2, characterized in that: The connecting frame comprises a connecting fixed frame (3) and a connecting movable frame (4); one end of the connecting movable frame (4) is sleeved in the connecting fixed frame (3), and the connecting movable frame (4) can slide along the extension direction of the connecting fixed frame (3); the connecting movable frame (4) is arranged on the middle fastening point support frame (2); and a telescopic fixing structure for fixing the relative position of the connecting movable frame (4) after sliding is arranged between the connecting movable frame (4) and the connecting fixed frame (3).

4. The closed truck fastening point strength test device capable of meeting different angle tests as claimed in claim 2, characterized in that: The anti-movement assembly comprises a main body fixing frame (5) arranged on the test main body (1), and the main body fixing frame (5) is located below the connecting frame, and a main body fixing assembly is arranged between the main body fixing frame (5) and the connecting frame.

5. The closed truck fastening point strength test device capable of meeting different angle tests as claimed in claim 4, characterized in that: The main body fixing assembly comprises a clamping plate (6) located above the connecting frame and an anti-rotation plate (7) arranged above the main body fixing frame (5), and a connecting clamping assembly capable of pressing the anti-rotation plate (7) onto the main body fixing frame (5) is arranged between the anti-rotation plate (7) and the clamping plate (6).

6. The closed truck fastening point strength test device capable of meeting different angle tests as claimed in claim 5, characterized in that: The upper end of the main body fixing frame (5) is provided with a front-to-rear extending C-shaped groove (5a), and the bottom surface of the anti-rotation plate (7) is provided with notches that can be stuck in the C-shaped groove at both ends corresponding to the C-shaped groove. The connecting clamping assembly includes a clamping bolt (8) that passes through the clamping plate (6) and the anti-rotation plate (7) from the top in sequence, and the front and rear sides of the connecting frame are provided with clamping bolts (8), the clamping bolts (8) and the clamping plate (6) are threadedly matched, and the upper and lower sides of the anti-rotation plate (7) are provided with clamping nuts (9) for keeping the anti-rotation plate (7) pressed on the main body fixing frame and threadedly connected to the clamping bolts.

7. The closed truck fastening point strength test device capable of meeting different angle tests as claimed in claim 2, characterized in that: The anti-movement assembly comprises a turnbuckle bolt arranged between the test body (1) and the connecting frame, and at least two turnbuckle bolts are arranged at intervals between each connecting frame and the test body.

8. The closed truck fastening point strength test device capable of meeting different angle tests as claimed in claim 1, characterized in that: The fastening point connection assembly comprises a hook (11) arranged at one end of the telescopic assembly (10), and a force sensor (12) for measuring force and a displacement sensor for detecting the telescopic distance of the telescopic assembly are arranged between the telescopic assembly (10) and the hook (11).

9. The closed truck fastening point strength test device capable of meeting different angle tests as claimed in claim 1, characterized in that: The angle adjustment assembly comprises a left-right adjustment assembly arranged on the right side surface of the test body and an up-down angle adjustment assembly arranged in the test body, wherein the left-right adjustment assembly is arranged in the up-down angle adjustment assembly; the left-right adjustment assembly comprises a rotating arm (13), wherein the rotating arm (13) is provided with left-right circular arc grooves, and the fastening point connection assembly is arranged in the left-right circular arc grooves via a connection adjustment bolt (14); when the connection adjustment bolt is loosened, the connection adjustment bolt can slide in the left-right circular arc grooves, and when tightened, one end of the fastening point connection assembly can be fixed; The up-down angle adjustment assembly comprises adjustment plates (15) arranged in an upper and lower interval in the test body, each adjustment plate is provided with an upper and lower arc groove, an upper and lower adjustment bolt (16) is provided between the rotating arm (13) and each upper and lower arc groove, and a rotating shaft bolt (17) for realizing the vertical rotation around the fastening point is also provided at the upper end of the rotating arm (13). When the up-down adjustment bolt (16) and the rotating shaft bolt (17) are loosened at the same time, the rotating arm (13) can be rotated in the upper and lower arc grooves, and when tightened at the same time, the rotation position can be fixed.

10. The closed truck fastening point strength test device capable of meeting different angle tests as claimed in claim 9, characterized in that: The test body (1) comprises an upper top surface and a lower bottom surface spaced apart from each other, the upper top surface and the lower bottom surface are both arranged in a rectangular structure, and the lower bottom surface is provided with a notch on the side facing the fastening point connection assembly, and a fixed support column is provided at the corner between the upper top surface and the lower bottom surface; the adjustment plate is arranged on the lower side of the upper top surface and the upper side of the lower bottom surface, and is also provided with a movable support column for supporting the side close to the fastening point connection assembly, and the movable support column adopts a telescopic cylinder.

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