Trolley traction guide rail for automobile crash test

Abstract

The utility model discloses a trolley traction guide rail for an automobile crash test, which comprises a first half guide rail, second half guide rails are symmetrically arranged on the side surfaces of the first half guide rail, first connecting plates are arranged at two ends below the first half guide rail and the second half guide rails, and cylinders are arranged on the side surfaces of the first connecting plates. A second connecting plate is arranged below the first half guide rail and the second half guide rail, a plurality of sliding grooves are formed in the upper surface of the second connecting plate, a fixing plate is arranged below the second connecting plate, placing grooves are formed in the groove side faces of the two ends of the fixing plate, first fixing grooves are formed in the side faces of the placing grooves, and first threaded grooves are formed in the side, close to the placing grooves, of the fixing plate. Two fixing blocks are symmetrically arranged on the upper surface of each placement groove, a first moving groove is formed in one end of each fixing block, a second moving groove is formed in one side of each fixing block, and a first moving block is arranged in each first moving groove; the tire fixing device can adapt to tires with different sizes in use, and is also convenient to disassemble and assemble.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile collision test devices, in particular to a trolley traction guide rail for automobile collision test. Background Art

[0002] As cars become more and more popular, driving safety has attracted more and more attention. Protecting the personal safety of passengers is one of the important goals of automobile safety research. Automobile collision test is an important means to study automobile safety. It can reproduce the collision form of vehicles under most traffic conditions and has become an important way to test and evaluate automobile passive safety research. In order to reproduce the collision form of the car in the test room, the test vehicle needs to be accelerated from rest to the specified collision speed. For the purpose of test safety, the automobile collision test shall not rely on vehicle power to accelerate the vehicle, but use traction to make the vehicle reach the specified speed.

[0003] Current car collision tests require traction rails to pull the vehicle so that the vehicle can collide accurately during the test and accurate data can be collected. However, current traction rails are of a single length and cannot be quickly assembled to extend the length of the rails according to test requirements. They can only accommodate car tires of a single size. Utility Model Content

[0004] The utility model aims to provide a trolley traction guide rail for automobile collision test in order to solve the problem that the existing traction guide rail cannot be quickly assembled and the length of the guide rail can be lengthened according to test requirements.

[0005] The utility model achieves the above-mentioned purpose through the following technical scheme: it comprises a first half guide rail, a second half guide rail is symmetrically arranged on the side surface of the first half guide rail, first connecting plates are arranged at both ends below the first half guide rail and the second half guide rail, cylinders are arranged on the side surfaces of the first connecting plate, second connecting plates are arranged below the first half guide rail and the second half guide rail, a plurality of sliding grooves are arranged on the upper surface of the second connecting plate, a fixing plate is arranged below the second connecting plate, placement grooves are arranged on the sides of the grooves at both ends of the fixing plate, the first fixing grooves are arranged on the sides of the placement grooves, the fixing plate is provided with a first threaded groove on a side close to the placement groove, two fixing blocks are symmetrically arranged on the upper surface of the placement groove, one end of the fixing block is provided with a first moving groove, one side of the fixing block is provided with a second moving groove, a first moving block is arranged inside the first moving groove, a third moving groove is arranged at one end of the first moving block, a fourth moving groove is arranged on one side of the first moving block, a first fixing device is arranged inside the third moving groove, a second fixing device is arranged on the side of the first fixing device, and a second fixing groove is arranged above the second fixing device.

[0006] Furthermore, the first fixing device includes a first movable plate, a blocking block is provided on the side of the first movable plate, a second thread groove is provided at one end of the first movable plate, a plurality of springs are provided on the side of the first movable plate away from the blocking block, a second movable plate is provided on the side of the spring, a third thread groove is provided at one end of the second movable plate, and a first thread column is provided on the side of the third thread groove.

[0007] Furthermore, the second fixing device includes a third movable plate, a first movable column is provided at one end of the third movable plate, a fourth thread groove is provided at the upper end of the first movable column, a second thread column is provided on the side of the fourth thread groove and the two are matched.

[0008] Furthermore, the second fixed groove is located directly above the first movable column and the two are of matching sizes, the first movable column is movably connected to the first movable block through a hole, the third movable plate is located inside the third movable groove and the two are movably connected, the first threaded groove is matched with the second threaded column, and the fourth threaded groove is in a through-connected state with the first threaded groove when it is raised into the second fixed groove.

[0009] Furthermore, the second movable plate is fixedly connected to the third movable groove, the spring is fixedly connected to the first movable plate and the second movable plate, the first movable plate is movably connected to the third movable groove, the first movable plate and the second movable plate are of the same length, the third thread groove, the second thread groove and the first thread column are matched with each other, and the blocking block is matched in size with the fourth movable groove and the first fixed groove.

[0010] Furthermore, the cylinders are all located inside the slide grooves and the two are fixedly connected, the number of the cylinders is the same as the number of the slide grooves, and the first half guide rail and the second half guide rail are both movably connected to the second connecting plate.

[0011] Furthermore, the two fixed blocks are fixedly connected to each other, the two fixed blocks are movably connected to the placement slots, and the first movable block and the first movable slot are consistent in size and are movably connected to each other.

[0012] Furthermore, the second fixing groove is connected through the first thread groove.

[0013] Beneficial effects: The utility model has reasonable design and has the following beneficial effects:

[0014] 1. First, the cylinders at the bottom of the two half guide rails are used to perform telescopic movements, and the two half guide rails are driven to telescope on both sides through the first connecting plate, so that the distance between the two half guide rails can be adjusted to accommodate tires of different sizes;

[0015] 2. During assembly, align and fix the placement grooves on the two guide rails, and then place the two fixed blocks into the placement grooves at both ends of the guide rails respectively, and then place the first movable blocks into the fixed blocks respectively, and then screw the first threaded column on the first movable block out from the second threaded groove and the third threaded groove, so that the first movable plate is separated from the second movable plate, and the card block can be entered into the first fixed groove for fixation through the spring, and then the first movable column on the second fixing device is moved to the second fixed groove through the third movable plate, and then the second threaded column is screwed into the fourth threaded groove through the first threaded groove for fixation, so that the two guide rails are fixedly connected. In this way, the guide rail length can be lengthened according to experimental requirements and it is also convenient for disassembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is an exploded view of the utility model;

[0018] Figure 3 It is a three-dimensional diagram of the fixing plate parts of the utility model;

[0019] Figure 4 This is an exploded view of some parts of the utility model.

[0020] In the figure: 1-first half guide rail, 2-second half guide rail, 3-first connecting plate, 4-cylinder, 5-second connecting plate, 6-slide groove, 7-fixed plate, 8-placing groove, 9-first fixed groove, 10-first thread groove, 11-fixed block, 12-first movable groove, 13-second movable groove, 14-second fixed groove, 15-first movable block, 16-third movable groove, 17-fourth movable groove, 18-first fixing device, 19-second fixing device;

[0021] 181 - first movable plate, 182 - block, 183 - second thread groove, 184 - spring, 185 - second movable plate, 186 - third thread groove, 187 - first thread column, 191 - third movable plate, 192 - first movable column, 193 - fourth thread groove, 194 - second thread column. DETAILED DESCRIPTION

[0022] 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.

[0023] Combination Figures 1 to 4The traction guide rail of a trolley for automobile collision test shown in the figure comprises a first half guide rail 1, a second half guide rail 2 is symmetrically arranged on the side of the first half guide rail 1, first connecting plates 3 are arranged at both ends below the first half guide rail 1 and the second half guide rail 2, cylinders 4 are arranged on the sides of the first connecting plate 3, second connecting plates 5 are arranged below the first half guide rail 1 and the second half guide rail 2, a plurality of slide grooves 6 are arranged on the upper surface of the second connecting plate 5, a fixing plate 7 is arranged below the second connecting plate 5, placement grooves 8 are arranged on the sides of the grooves at both ends of the fixing plate 7, first fixing grooves 9 are arranged on the sides of the placement grooves 8, and the fixing plate 7 is close to the placement grooves 8 is provided with a first thread groove 10 on one side, two fixed blocks 11 are symmetrically provided on the upper surface of the placement groove 8, a first movable groove 12 is provided at one end of the fixed block 11, a second movable groove 13 is provided on one side of the fixed block 11, a first movable block 15 is provided inside the first movable groove 12, a third movable groove 16 is provided at one end of the first movable block 15, a fourth movable groove 17 is provided on one side of the first movable block 15, a first fixing device 18 is provided inside the third movable groove 16, a second fixing device 19 is provided on the side of the first fixing device 18, and a second fixing groove 14 is provided above the second fixing device 19.

[0024] Among them, the first fixing device 18 includes a first movable plate 181, a block 182 is provided on the side of the first movable plate 181, a second thread groove 183 is provided at one end of the first movable plate 181, a plurality of springs 184 are provided on the side of the first movable plate 181 away from the block 182, a second movable plate 185 is provided on the side of the spring 184, a third thread groove 186 is provided at one end of the second movable plate 185, and a first thread column 187 is provided on the side of the third thread groove 186; the first fixing device can make the two guide rails be fixedly connected horizontally.

[0025] The second fixing device 19 includes a third movable plate 191, a first movable column 192 is provided at one end of the third movable plate 191, a fourth thread groove 193 is provided at the upper end of the first movable column 192, a second thread column 194 is provided on the side of the fourth thread groove 193 and the two are matched; the second fixing device can enable the two guide rails to be fixedly connected vertically.

[0026] The second fixed groove 14 is located directly above the first movable column 192 and the sizes of the two are matched. The first movable column 192 is movably connected to the first movable block 15 through a hole. The third movable plate 191 is located inside the third movable groove 16 and the two are movably connected. The first threaded groove 10 is matched with the second threaded column 194. When the fourth threaded groove 193 is raised into the second fixed groove 14, it is in a through-connected state with the first threaded groove 10; the second movable plate 185 is fixedly connected to the third movable groove 16, the spring 184 is fixedly connected to the first movable plate 181 and the second movable plate 185, the first movable plate 181 is movably connected to the third movable groove 16, the first movable plate 181 is consistent with the second movable plate 185 in length, the third threaded groove 186, the second threaded groove 183 and the first threaded column 187 are matched with each other, and the block 182 is consistent with the fourth movable groove 17 and the first fixed groove 9 in size; the first fixing device and the second fixing device can realize the rapid lengthening and fixing of the two guide rails, and it is also convenient to quickly disassemble according to experimental requirements.

[0027] The cylinders 4 are all located inside the slide groove 6 and the two are fixedly connected. The number of cylinders 4 is the same as the number of slide grooves 6. The first half guide rail 1 and the second half guide rail 2 are both movably connected to the second connecting plate 5. The two fixed blocks 11 are fixedly connected to each other, and the two fixed blocks 11 are movably connected to the placement groove 8. The first movable block 15 is consistent with the first movable groove 12 in size and the two are movably connected. The second fixed groove 14 is through-connected with the first threaded groove 10.

[0028] Working principle: When the utility model is used, the positions of the first half guide rail 1 and the second half guide rail 2 are first adjusted according to the tire size of the vehicle to be towed. When adjusting, the cylinders 4 at the bottom of the two half guide rails are first telescopically moved, and the two half guide rails are driven to telescope on both sides by the first connecting plate 3, so that the distance between the two half guide rails can be adjusted to facilitate adaptation to tires of vehicles of different sizes. The utility model can adjust the length of the guide rails according to the needs of the experiment, and different numbers of guide rails can be assembled through the components provided by the utility model. When assembling, the placement grooves 8 on the two guide rails are aligned and fixed by hand, and then the two fixing blocks 11 are respectively placed in the placement grooves 8 at both ends of the guide rails, and then the first moving blocks are respectively placed in the fixing blocks 11 Then the first threaded column 187 on the first moving block 15 is screwed out from the second threaded groove 183 and the third threaded groove 186, so that the first moving plate 181 is separated from the second moving plate 185, and the block 182 can be fixed in the first fixed groove 9 through the spring 184. If it needs to be taken out, only the direction operation is required, and then the first moving column 192 on the second fixing device 19 is moved to the second fixed groove 14 through the third moving plate 191, and then the second threaded column 194 is screwed into the fourth threaded groove 193 through the first threaded groove 10 for fixation, so that the two guide rails are fixedly connected, which is convenient for testing. The control method of the cylinder in the utility model is existing and will not be described in detail.

[0029] The present invention is not limited to the details of the exemplary embodiments described above, and can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any reference numerals in the claims should not be regarded as limiting the claims involved.

[0030] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A trolley traction guide rail for automobile collision test, characterized in that : It comprises a first half guide rail (1), a second half guide rail (2) is symmetrically arranged on the side of the first half guide rail (1), a first connecting plate (3) is arranged at both ends below the first half guide rail (1) and the second half guide rail (2), a cylinder (4) is arranged on the side of the first connecting plate (3), a second connecting plate (5) is arranged below the first half guide rail (1) and the second half guide rail (2), a plurality of slide grooves (6) are arranged on the upper surface of the second connecting plate (5), a fixing plate (7) is arranged below the second connecting plate (5), placement grooves (8) are arranged on the sides of the grooves at both ends of the fixing plate (7), the sides of the placement grooves (8) are each provided with a first fixing groove (9), and a side of the fixing plate (7) close to the placement groove (8) is provided with a A first thread groove (10) is provided, and two fixed blocks (11) are symmetrically arranged on the upper surface of the placement groove (8), and a first movable groove (12) is arranged at one end of each fixed block (11), and a second movable groove (13) is arranged on one side of the fixed block (11), and a first movable block (15) is arranged inside the first movable groove (12), and a third movable groove (16) is arranged at one end of the first movable block (15), and a fourth movable groove (17) is arranged on one side of the first movable block (15), and a first fixing device (18) is arranged inside the third movable groove (16), and a second fixing device (19) is arranged on the side of the first fixing device (18), and a second fixing groove (14) is arranged above the second fixing device (19).

2. The traction guide rail for a trolley for automobile collision test according to claim 1, characterized in that: The first fixing device (18) comprises a first movable plate (181), a block (182) is provided on the side of the first movable plate (181), a second thread groove (183) is provided at one end of the first movable plate (181), a plurality of springs (184) are provided on the side of the first movable plate (181) away from the block (182), a second movable plate (185) is provided on the side of the spring (184), a third thread groove (186) is provided at one end of the second movable plate (185), and a first thread column (187) is provided on the side of the third thread groove (186).

3. The traction guide rail for a trolley for automobile collision test according to claim 1, characterized in that: The second fixing device (19) comprises a third movable plate (191), a first movable column (192) is provided at one end of the third movable plate (191), a fourth thread groove (193) is provided at the upper end of the first movable column (192), and a second thread column (194) is provided on the side of the fourth thread groove (193), and the two are matched.

4. The traction guide rail of a trolley for automobile collision test according to claim 3, characterized in that: The second fixed groove (14) is located directly above the first movable column (192) and the two are of the same size. The first movable column (192) is movably connected to the first movable block (15) through a hole. The third movable plate (191) is located inside the third movable groove (16) and the two are movably connected. The first thread groove (10) is matched with the second thread column (194). When the fourth thread groove (193) is lifted into the second fixed groove (14), it is in a through-connected state with the first thread groove (10).

5. The traction guide rail of a trolley for automobile collision test according to claim 2, characterized in that: The second movable plate (185) is fixedly connected to the third movable groove (16), the spring (184) is fixedly connected to the first movable plate (181) and the second movable plate (185), the first movable plate (181) is movably connected to the third movable groove (16), the first movable plate (181) and the second movable plate (185) are of the same length, the third thread groove (186), the second thread groove (183) and the first thread column (187) are matched with each other, and the block (182) is matched in size with the fourth movable groove (17) and the first fixed groove (9).

6. The traction guide rail of a trolley for automobile collision test according to claim 1, characterized in that: The cylinders (4) are all located inside the slide grooves (6) and the two are fixedly connected. The number of the cylinders (4) is the same as the number of the slide grooves (6). The first half guide rail (1) and the second half guide rail (2) are both movably connected to the second connecting plate (5).

7. The traction guide rail of a trolley for automobile collision test according to claim 1, characterized in that: The two fixed blocks (11) are fixedly connected to each other, the two fixed blocks (11) are movably connected to the placement groove (8), and the first movable block (15) and the first movable groove (12) are of the same size and are movably connected to each other.

8. The traction guide rail of a trolley for automobile collision test according to claim 1, characterized in that: The second fixing groove (14) is connected through the first thread groove (10).

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