Safety detection platform with adjustable wheelbase for new energy automobile

Abstract

The invention relates to the technical field of automobile safety detection equipment, in particular to a wheelbase-adjustable safety detection platform for a new energy automobile, which comprises a fixed dynamometer and a movable dynamometer, a walking mechanism is arranged at one end of the movable dynamometer, and a track which extends to the fixed dynamometer and is used for moving the movable dynamometer is arranged at one end of a base station. A supporting chain plate capable of moving along the track is arranged in the track, one end of the supporting chain plate is connected with the movable dynamometer, a supporting table is arranged at the end, close to the fixed dynamometer, of the base table, and an air bag block used for supporting the supporting chain plate located in the arc-shaped portion of the track is arranged on the supporting table. The base station is provided with a supporting structure used for supporting the supporting chain plate located on the horizontal part in the track, and the problems that in the prior art, during new energy automobile detection, due to the fact that the wheelbase difference is too large, multiple detection devices are needed, and the supporting chain plate is prevented from deforming in the automobile supporting and moving process are solved. The method is well applied to automobile detection manufacturers.

Description

Technical Field

[0001] The invention belongs to the technical field of automobile safety detection equipment, and in particular relates to a safety detection platform with an adjustable wheelbase for new energy vehicles. Background Art

[0002] Compared with gasoline vehicles, the wheelbase of new energy vehicles has a wider range. In order to achieve offline rapid and automatic inspection of the safety performance of new energy vehicles with diversified wheelbases, the existing technology generally uses a movable device to make the vehicle inspection equipment adjustable in wheelbase, solving the problem that new energy vehicles cannot be inspected with general equipment due to their diversified wheelbases. However, although the existing equipment has achieved adjustable wheelbase through the movable guide plate structure, due to the structural design defects of the equipment itself, the inspection wheelbase range of one device cannot fully cover the new energy vehicles currently on the market, which increases the inspection cost exponentially.

[0003] The detection range of existing equipment in the same industry follows the detection range formula: X=

L+1000,2L+1000

[0004] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a safety detection platform with adjustable wheelbase for new energy vehicles, which solves the problem that when detecting new energy vehicles in the prior art, multiple detection equipment are required due to the large difference in wheelbase and the problem of preventing the supporting chain plate from deforming during the process of supporting the movement of the vehicle.

[0005] The technical solution is that the safety testing platform for the adjustable wheelbase of new energy vehicles includes a fixed dynamometer and a mobile dynamometer, a base for supporting the mobile dynamometer, the mobile dynamometer and the base are slidably connected by a slide rail, a walking mechanism is arranged at one end of the mobile dynamometer, a track extending to the position of the fixed dynamometer and used for the movement of the mobile dynamometer is arranged from one end of the base, the track has two tracks and is symmetrically arranged about the center line of the base, the track is in a "U" shape, a supporting chain plate movable along the track is arranged in the track, one end of the supporting chain plate is connected to the mobile dynamometer, and the base is close to the fixed A support platform is provided at one end of the dynamometer, and the cross-section of the support platform is "U"-shaped. An airbag block for supporting a support chain plate located in the arc-shaped portion of the track is provided on the support platform, and a support structure for supporting a support chain plate located in the horizontal portion of the track is provided on the base. The support structure includes an airbag column, and there are multiple airbag columns that are evenly spaced along the length direction of the base. A foldable support rod is provided on the outside of the airbag column. An air pump connected to the airbag column and the airbag block through an air pipe is provided in the base, so that after the air pump is working, the airbag column and the airbag block are inflated to support a structure for moving the chain plate.

[0006] Preferably, the supporting chain plate includes a plate body in the shape of a rectangular rod, and both ends of the plate body in the length direction are provided with connecting columns with an integral structure therewith. A bearing is interference fit on the connecting column, and the outer ring of the bearing is used in conjunction with the inner wall of the track. Two adjacent plate bodies are connected by a connecting strip sleeved on the connecting column.

[0007] Preferably, a connecting seat is provided on the base, and the end of the connecting seat away from the base is hingedly connected to the support rod through a torsion spring, and the support rod includes a plurality of rod bodies with the same structure and connected end to end in sequence, and two adjacent rod bodies are connected through a hinge seat, and the rod bodies are hollow structures. A top block is provided at the end of the support rod away from the connecting seat, forming a structure in which the rod bodies are arranged in sequence in the vertical direction and sleeved on the outer wall of the airbag column after the airbag column is inflated, and the support chain plate is supported by the top block.

[0008] Preferably, elastic ropes are provided on the sides of two adjacent rod bodies, and there are multiple elastic ropes which are staggered in sequence along the two opposite sides of the rod body, forming an airbag column. When the airbag column is not inflated, the rod body rotates along the hinge seat by relying on the restoring force of the elastic ropes, and the support rod is deformed into a wave structure. A counterweight block is provided at one end of the hinge seat close to the base, forming a structure in which the support rod can be folded under the action of the gravity of the hinge seat.

[0009] Preferably, the base is provided with a passage for the trachea to pass through, and an air seat for connecting the trachea and the airbag column is provided on the base at the position of the passage, and the connecting seat cover is provided outside the air seat.

[0010] Preferably, a main pipe connected to the air pipe and the air pump is provided on the base, and a plurality of air pipes are evenly spaced along the length direction of the main pipe, and each air pipe is provided with a switch, and a paddle used in conjunction with the switch is provided on the mobile dynamometer, and the paddles are two and symmetrically arranged about the center line of the mobile dynamometer, forming a structure in which the mobile dynamometer drives the paddles to move, and the switch is closed or opened under the action of the paddles.

[0011] Preferably, the airbag block is connected to the air pipe through an air seat, and an arc plate that cooperates with the supporting chain plate inside the arc-shaped part of the track is provided at one end of the airbag block away from the support platform, and an elastic net that is sleeved on the outside of the airbag block is provided on the support platform, and the end of the elastic net away from the support platform is fixed to the arc plate.

[0012] The beneficial effect of the present invention is that a track is arranged between a fixed dynamometer and a mobile dynamometer, a walking mechanism is arranged on the mobile dynamometer, a supporting chain plate is arranged in the track to follow the movement of the mobile dynamometer and to support the movement of the automobile, and the mobile dynamometer moves along the base to realize the detection of vehicles with different wheelbases; A support structure is arranged on the base, and the support structure includes an airbag column for supporting a support chain plate and a support rod sleeved on the outside of the airbag column and foldable and retractable. The airbag column is connected to the air pump through an air pipe, and a normally open switch is arranged on the air pipe. The mobile dynamometer drives the paddle to move under the action of the walking mechanism, and the switch is turned off during the movement, so that when the car moves from the fixed dynamometer to the mobile dynamometer, the support chain plate and the support structure jointly support the car, so as to prevent the deformation of the support chain plate due to long-term use from affecting subsequent detection; The support rod comprises a plurality of rod bodies of the same structure and connected end to end in sequence, two adjacent rod bodies are connected by a hinge seat, and elastic ropes are arranged on the sides of the two adjacent rod bodies. There are a plurality of elastic ropes and they are arranged alternately along the two opposite sides of the rod bodies in sequence, so that the support rod can be deformed into a wave shape by the restoring force of the elastic ropes when the airbag is not inflated, and the support rod can be folded under the action of the support rod's own gravity and the counterweight block on the hinge seat; The airbag block on the support platform is used to support the support chain plate located in the arc-shaped part of the track under the action of the air pump inflation. The elastic net and the arc plate on the support platform are arranged to facilitate the storage of the airbag block in a non-inflated state by relying on the restoring force of the elastic net. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a front view of the safety testing platform for the adjustable wheelbase of a new energy vehicle of the present invention; Figure 2 It is an enlarged view of the main view A of the safety detection platform for the adjustable wheelbase of the new energy vehicle of the present invention; Figure 3 This is a front view of a safety detection platform base with an adjustable wheelbase for a new energy vehicle of the present invention; Figure 4It is a cross-sectional view of a safety detection platform base with adjustable wheelbase for new energy vehicles of the present invention; Figure 5 It is an enlarged view of the cross-sectional view B of the base of the safety detection platform for the adjustable wheelbase of the new energy vehicle of the present invention; Figure 6 This is a front view of the support rod of the safety detection platform with adjustable wheelbase for new energy vehicles of the present invention when in use.

[0014] Among them, 1 is a fixed dynamometer, 2 is a mobile dynamometer, 3 is a base, 4 is a slide rail, 5 is a walking mechanism, 6 is a track, 7 is a supporting chain plate, 8 is a supporting platform, 9 is an airbag block, 10 is a supporting structure, 11 is an airbag column, 12 is a support rod, 13 is an air pump, 14 is a plate body, 15 is a connecting column, 16 is a bearing, 17 is a connecting strip, 18 is a connecting seat, 19 is a rod body, 20 is a hinged seat, 21 is a top block, 22 is an elastic rope, 23 is a counterweight block, 24 is an air seat, 25 is a channel, 26 is a main pipe, 27 is a switch, 28 is a paddle, 29 is an arc plate, 30 is an elastic net, and 31 is an air pipe. DETAILED DESCRIPTION

[0015] The specific implementation of the present invention is further described in detail below in conjunction with the accompanying drawings.

[0016] Embodiment 1: As shown in the attached drawings of the specification, a safety testing platform for an adjustable wheelbase of a new energy vehicle includes a fixed dynamometer 1 and a mobile dynamometer 2, a base 3 for supporting the mobile dynamometer 2, the mobile dynamometer 2 and the base 3 are slidably connected by a slide rail 4, a walking mechanism 5 is provided at one end of the mobile dynamometer 2, the walking mechanism 5 includes a rack bolted to the base 3, a motor is bolted to one end of the mobile dynamometer 2 by a mounting seat, and a gear meshing with the rack is keyed to the motor output shaft. The above is the prior art and will not be described one by one here. The base 3 is fixed with a track 6 extending to the position of the fixed dynamometer 1 and used for moving the mobile dynamometer 2 from one end thereof by bolts, there are two tracks 6 and they are symmetrically arranged about the center line of the base 3, the track 6 is in a "U"-shaped structure, and both ends of the track 6 are connected to the base 3. A support chain plate 7 that can move along the track 6 is movably connected in the track 6. The support chain plate 7 includes a rectangular rod-shaped plate body 14. Both ends of the plate body 14 in the length direction are provided with a connecting column 15 that is an integral structure with it. The connecting column 15 is a cylindrical structure. A bearing 16 is interference-fitted on the connecting column 15. The outer ring of the bearing 16 cooperates with the inner wall of the track 6. Two adjacent plate bodies 14 are connected by a connecting strip 17 sleeved on the connecting column 15. The connecting strip 17 belongs to the prior art and refers to the chain structure. One end of the support chain plate 7 is connected to the outer wall of the mobile dynamometer 2 by bolts. When the mobile dynamometer 2 moves under the action of the walking mechanism 5, the support chain plate 7 realizes synchronous movement along the track 6. A support platform 8 is provided at one end of the base 3 close to the fixed dynamometer 1. The support platform 8 is fixed to the ground by bolts. The cross section of the support platform 8 is "U"-shaped. The support platform 8 is provided with an airbag block 9 for supporting the support chain plate 7 located in the arc portion of the track 6. A support structure 10 for supporting the horizontal support chain plate 7 located in the track 6 is provided on the base 3. The support structure 10 includes an airbag column 11. There are multiple airbag columns 11 and they are evenly spaced along the length direction of the base 3. A foldable support rod 12 is sleeved on the outside of the airbag column 11. An air pump 13 connected to the airbag column 11 and the airbag block 9 through an air pipe 31 is provided in the base 3, so that after the air pump 13 is working, the airbag column 11 and the airbag block 9 are inflated to support the structure of the moving chain plate.

[0017] In one embodiment, as shown in the accompanying drawings, a connection seat 18 is screwed on the base, and the cross section of the connection seat 18 is a "U"-shaped structure. The end of the connection seat 18 away from the base is hingedly connected to the support rod 12 through a torsion spring. The support rod 12 includes a plurality of rod bodies 19 with the same structure and connected end to end in sequence, and the rod body 19 is a hollow cylindrical rod structure. Two adjacent rod bodies 19 are connected through an articulated seat 20, and the cross section of the articulated seat 20 is a "U"-shaped structure. A top block 21 is screwed on one end of the support rod 12 away from the connection seat 18, and the length of the top block 21 is greater than the width of the plate body 14, forming a structure in which the rod bodies 19 are arranged in sequence along the vertical direction and sleeved on the outer wall of the airbag column 11 after the airbag column 11 is inflated, and the support chain plate 7 is supported by the top block 21. Elastic ropes 22 are arranged on the sides of the two adjacent rod bodies 19, and the two ends of the elastic rope 22 are respectively located in the middle position of the two adjacent rod bodies 19, and the elastic rope 22 is glued to the rod body 19. There are multiple elastic ropes 22 and they are staggered along the two opposite sides of the rod body 19, forming a structure in which the rod body 19 rotates along the hinge seat 20 by the restoring force of the elastic ropes 22 when the airbag column 11 is not inflated, and the support rod 12 is deformed into a wave structure. A counterweight block 23 is fixed by screws at one end of the hinge seat 20 close to the base 3. The cross section of the counterweight block 23 is "U"-shaped suitable for the outer wall of the hinge seat 20, forming a structure in which the support rod 12 can be folded under the gravity of the hinge seat 20. A channel 25 for the air pipe 31 to pass through is provided in the base, and an air seat 24 for connecting the air pipe 31 and the airbag column 11 is fixed by screws at the position of the channel 25 on the base. The air seat 24 belongs to the prior art and is a hollow rectangular block structure. The connecting seat 18 is covered outside the air seat 24.

[0018] In one embodiment, as shown in the accompanying drawings, a main pipe 26 connected to an air pipe 31 and an air pump 13 is fixed to the base 3 through a clamp ring, and both ends of the main pipe 26 are connected to the air pipe 31. The clamp ring is a "U"-shaped structure suitable for the outer wall of the main pipe 26, and the clamp ring is fixed to the base 3 by screws. There are multiple air pipes 31 evenly spaced along the length direction of the main pipe 26, and the number of air pipes 31 is the same as the number of airbag columns 11. A switch 27 is provided on each air pipe 31, and the switch 27 is a normally open switch 27. The mobile dynamometer 2 is provided with a paddle 28 used in conjunction with the switch 27. There are two paddles 28 and they are symmetrically arranged about the center line of the mobile dynamometer 2, forming a structure in which the mobile dynamometer 2 drives the paddle 28 to move, and the switch 27 is closed or opened under the action of the paddle 28.

[0019] In one embodiment, as shown in the accompanying drawings, the airbag block 9 is connected to the air pipe 31 through the air seat 24. The air seat 24 belongs to the prior art. The air seat 24 is a hollow rectangular structure and is fixed to the support platform 8 by screws. An arc plate 29 used in conjunction with the supporting chain plate 7 in the arc portion of the track 6 is provided at one end of the airbag block 9 away from the support platform 8. An elastic net 30 sleeved on the outside of the airbag block 9 is glued to the support platform 8. The end of the elastic net 30 away from the support platform 8 is glued and fixed to the arc plate 29, so that the airbag block 9 can be stored in the non-inflated state by relying on the restoring force of the elastic net 30.

[0020] The present invention arranges a track between a fixed dynamometer and a mobile dynamometer, arranges a traveling mechanism on the mobile dynamometer, arranges a supporting chain plate in the track that moves with the mobile dynamometer and is used to support the vehicle to travel, and the mobile dynamometer moves along the base to achieve detection of vehicles with different wheelbases; a supporting structure is arranged on the base, the supporting structure includes an airbag column for supporting the supporting chain plate and a support rod sleeved on the outside of the airbag column and foldable and retractable; the airbag column is connected to an air pump through an air pipe, a normally open switch is arranged on the air pipe, the mobile dynamometer drives the paddle to move under the action of the traveling mechanism, and the switch is turned off during the movement, so that when the vehicle moves from the fixed dynamometer to the mobile dynamometer, the supporting chain plate and the supporting structure jointly support the vehicle, Prevent the support chain plate from deforming due to long-term use and affecting subsequent inspection; the support rod includes multiple rod bodies with the same structure and connected end to end in sequence, two adjacent rod bodies are connected by a hinge seat, and elastic ropes are arranged on the sides of the two adjacent rod bodies. There are multiple elastic ropes and they are staggered in sequence along the two opposite sides of the rod body, so that the support rod can be deformed into a wave shape by relying on the restoring force of the elastic rope when the airbag is not inflated, and the support rod can be folded under the action of the support rod's own gravity and the counterweight block on the hinge seat; the airbag block on the support platform is used to support the support chain plate located in the arc-shaped part of the track under the action of inflation by the air pump, and the elastic net and the arc plate on the support platform are arranged to facilitate the storage of the airbag block by relying on the restoring force of the elastic net when the airbag is not inflated.

[0021] The present invention has been described in detail above through specific implementation modes and embodiments, but these do not constitute limitations of the present invention. Without departing from the principles of the present invention, those skilled in the art may also make many variations and improvements, which should also be regarded as the protection scope of the present invention.

Claims

1. A safety testing platform for an adjustable wheelbase of a new energy vehicle, comprising a fixed dynamometer (1) and a mobile dynamometer (2), a base (3) for supporting the mobile dynamometer (2), the mobile dynamometer (2) and the base (3) being slidably connected via a slide rail (4), and a walking mechanism (5) being provided at one end of the mobile dynamometer (2), characterized in that: The base (3) is provided with a track (6) extending to the position of the fixed dynamometer (1) and used to move the mobile dynamometer (2) from one end thereof, the track (6) being two and symmetrically arranged about the center line of the base (3), the track (6) being in a "U"-shaped structure, a support chain plate (7) movable along the track (6) being arranged in the track (6), one end of the support chain plate (7) being connected to the mobile dynamometer (2), a support platform (8) being provided at one end of the base (3) close to the fixed dynamometer (1), the cross section of the support platform (8) being in a "U"-shaped shape, and a support plate (8) being provided on the support platform (8) for supporting a support located in the arc-shaped portion of the track (6). An airbag block (9) of a chain plate (7), wherein a support structure (10) for supporting the chain plate (7) located in a horizontal portion of a track (6) is arranged on the base (3), the support structure (10) comprising an airbag column (11), a plurality of airbag columns (11) being evenly spaced along the length direction of the base (3), a foldable support rod (12) being sleeved on the outside of the airbag column (11), and an air pump (13) connected to the airbag column (11) and the airbag block (9) via an air pipe (31) is arranged inside the base (3), so that when the air pump (13) is in operation, the airbag column (11) and the airbag block (9) are inflated to support the moving chain plate.

2. The safety detection platform for adjustable wheelbase of new energy vehicles according to claim 1 is characterized in that: The supporting chain plate (7) comprises a plate body (14) in the shape of a rectangular rod, and both ends of the plate body (14) in the length direction are provided with connecting columns (15) integrally formed therewith, and a bearing (16) is interference-fitted on the connecting column (15), and the outer ring of the bearing (16) cooperates with the inner wall of the track (6), and two adjacent plate bodies (14) are connected by a connecting strip (17) sleeved on the connecting column (15).

3. The safety detection platform for adjustable wheelbase of new energy vehicles according to claim 1 is characterized in that: A connecting seat (18) is provided on the base, and one end of the connecting seat (18) away from the base is hingedly connected to the support rod (12) via a torsion spring. The support rod (12) comprises a plurality of rod bodies (19) having the same structure and connected end to end in sequence, and two adjacent rod bodies (19) are connected via a hinge seat (20). The rod bodies (19) are hollow in structure, and one end of the support rod (12) away from the connecting seat (18) is provided with a top block (21), so that after the airbag column (11) is inflated, the rod bodies (19) are arranged in sequence in a vertical direction and sleeved on the outer wall of the airbag column (11), and the support chain plate (7) is supported by the top block (21).

4. The safety detection platform for adjustable wheelbase of new energy vehicles according to claim 3 is characterized in that: Elastic ropes (22) are arranged on the sides of two adjacent rod bodies (19), and there are multiple elastic ropes (22) which are arranged in a staggered manner along the two opposite sides of the rod body (19), so that when the airbag column (11) is not inflated, the rod body (19) rotates along the hinge seat (20) by relying on the restoring force of the elastic ropes (22), and the support rod (12) is deformed into a wave structure. A counterweight block (23) is arranged at one end of the hinge seat (20) close to the base (3), so that the support rod (12) can be folded under the gravity of the hinge seat (20).

5. The safety detection platform for adjustable wheelbase of new energy vehicles according to claim 3 is characterized in that: The base is provided with a passage (25) for the air pipe (31) to pass through, and the base is provided with an air seat (24) for connecting the air pipe (31) and the air bag column (11) at a position of the passage (25), and the connecting seat (18) is covered outside the air seat (24).

6. The safety detection platform for adjustable wheelbase of new energy vehicles according to claim 1, characterized in that: A main pipe (26) connected to an air pipe (31) and an air pump (13) is arranged on the base (3). The air pipes (31) have a plurality of evenly spaced portions along the length direction of the main pipe (26). Each air pipe (31) is provided with a switch (27). The mobile dynamometer (2) is provided with a paddle (28) for use with the switch (27). The paddles (28) are two and are symmetrically arranged about the center line of the mobile dynamometer (2), forming a structure in which the mobile dynamometer (2) drives the paddles (28) to move, and the switch (27) is closed or opened under the action of the paddles (28).

7. The safety detection platform for adjustable wheelbase of new energy vehicles according to claim 1, characterized in that: The airbag block (9) is connected to the air pipe (31) through the air seat (24); an arc-shaped plate (29) is provided at one end of the airbag block (9) away from the support platform (8) for use with the supporting chain plate (7) in the arc-shaped portion of the track (6); an elastic net (30) is provided on the support platform (8) and is sleeved on the outside of the airbag block (9); and an end of the elastic net (30) away from the support platform (8) is fixed to the arc-shaped plate (29).

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