Supporting component for adjusting wheelbase of multi-axle vehicle running-in test bed

Abstract

A support member for adjusting the wheelbase of a multi-axle vehicle running-in test bench relates to the field of motor vehicle detection equipment and comprises a frame body (3) and a vehicle passing plate (4) on the upper side of the frame body (3). The frame body (3) is of a frame structure formed by connecting a plurality of rectangular pipes / flat pipes, a horizontal sliding groove (31) corresponding to the two inserting pipe sets (2) is formed in the middle of the frame body (3), and the sliding groove (31) is arranged to enable the two inserting pipe sets (2) to horizontally slide in a staggered mode. The frame body not only provides necessary support for the two insertion tube sets, but also allows the two insertion tube sets to horizontally slide in the sliding groove in the middle of the frame body in a staggered mode, meanwhile, the sliding groove is formed by the frame body formed by connecting a plurality of rectangular tubes / flat tubes, the frame body forms a firm and simple frame structure, and meanwhile, the frame body is convenient to use. And the sliding grooves are formed, compared with a traditional structure, the requirements for a plurality of guide partition plates and guide grooves are reduced, and the machining difficulty, the machining amount and the cost are remarkably reduced.

Description

Technical Field

[0001] This utility model relates to the field of motor vehicle testing equipment, specifically a support component for adjusting the wheelbase of a multi-axle vehicle running-in test bench. Background Technology

[0002] Automotive chassis dynamometers are crucial automotive performance testing equipment. To accommodate vehicles with different wheelbases, a wheelbase adjustment device is typically installed between adjacent dynamometers. This device adjusts the wheelbase between the two dynamometers by changing its length. For example, in a dynamometer insert-type wheelbase adjustment device (application number CN202323252799.7), two sets of movable support pipe assemblies are located between the two dynamometers. A fixed platform is also provided between these two sets of movable support pipe assemblies. A guide support assembly is installed above the fixed platform. The guide support assembly includes a first... A first support plate has multiple guide partitions vertically fixed to its top surface. Guide grooves are provided between each pair of guide partitions. A second support plate is fixed to the top surface of the guide partitions. Two sets of movable branch pipe assemblies each include multiple spaced-apart inserts. The ends of the two sets of movable branch pipe assemblies that are close to each other are staggered horizontally within their corresponding guide grooves. The other ends are connected to two dynamometers. During wheelbase adjustment, the two dynamometers slide along opposite sides, and the multiple inserts in the two sets of movable branch pipe assemblies slide along their corresponding guide grooves, thus achieving wheelbase adjustment between the two dynamometers. However, during manufacturing, the multiple guide partitions in this guide support assembly need to be vertically welded to the first support plate, resulting in a huge workload. Furthermore, to facilitate vehicle passage, a second support plate is fixed to the top surface of these guide partitions, which not only increases the workload and difficulty of the work but also raises the manufacturing cost. Utility Model Content

[0003] To address the technical problems of high processing volume, high difficulty in operation, and high manufacturing cost of the guide support components above the fixed platform in the aforementioned background technology, this utility model provides a support component for adjusting the wheelbase of a multi-axle vehicle running-in test bench.

[0004] The technical solution of this utility model is as follows:

[0005] A support component for adjusting the wheelbase of a multi-axle vehicle running-in test bench is used to support two sets of insert tubes between two adjacent dynamometers. The insert tubes include multiple insert tubes arranged side by side, and the multiple insert tubes at opposite ends of the two sets of insert tubes are staggered in the horizontal direction. The other ends are respectively connected to the two dynamometers. The structure and working principle of the dynamometer and the two sets of insert tubes are as shown in the dynamometer and two movable branch tube assemblies (first movable branch tube assembly and second movable branch tube assembly) in patent application number CN202323252799.7, and will not be described in detail here.

[0006] As the core technical concept of this utility model, the support component includes a frame and a vehicle passage plate on its upper side. The frame is a frame structure made up of multiple rectangular tubes / flat tubes connected together. In the middle of the frame, there are horizontal sliding grooves corresponding to two sets of insertion tubes. That is, the sliding grooves are formed by connecting these rectangular tubes / flat tubes. The sliding grooves are designed to allow the two sets of insertion tubes to slide horizontally and alternately.

[0007] In use, the frame not only provides necessary support for the two sets of insertion tubes, but also allows these two sets of insertion tubes to slide horizontally and alternately in the sliding groove in the middle of the frame. This design simplifies the structure and reduces the need for multiple guide partitions and guide grooves compared to traditional structures, thereby reducing the complexity of the structure. At the same time, by setting the sliding groove to achieve the horizontal and alternate sliding of the insertion tubes, the practice of precisely machining multiple guide grooves in traditional methods is avoided, which significantly reduces the difficulty and amount of machining. This not only improves production efficiency, but also helps to reduce costs. In addition, the frame is made up of multiple rectangular / flat tubes connected together, which not only forms a sturdy and simple frame structure, but also facilitates the assembly of the frame.

[0008] As one implementation, the dynamometer includes two sets of rollers arranged opposite each other and a cover plate between the two sets of rollers. When a vehicle passes over them, the tires on both sides roll over the two sets of rollers. Each set of insertion tubes includes two insertion tube components, each corresponding to one of the two sets of rollers. Two sliding grooves are provided for each of the two insertion tube components, and the two insertion tube components in each set slide horizontally and alternately within their respective sliding grooves. Compared to the traditional method of setting the insertion tube set as a single integral structure corresponding to the position of the dynamometer, this method of setting the insertion tube components according to the specific position and size of the two sets of rollers in the dynamometer allows each insertion tube component to precisely match its corresponding roller set, avoiding the excess material found in a single integral structure, thus effectively saving materials.

[0009] Furthermore, regarding the specific structure of the frame, the frame includes a first frame and a second frame arranged horizontally, a third frame connected in the middle between the two frames, and a fourth frame at both ends. The two sliding grooves are formed by combining the four frames. The first frame, the second frame, and the third frame are rectangular frame structures, while the fourth frame is a U-shaped frame structure with its opening facing the third frame, thus forming a stable three-layer frame structure. This multi-layer frame combination increases the overall rigidity of the frame, making it less prone to deformation or shaking when subjected to various forces generated during the two sets of insertion tubes and the vehicle running-in test.

[0010] To facilitate processing, the four frames are each welded together from multiple rectangular tubes arranged in a longitudinal and transverse manner, making it easier to operate during the welding and assembly process. When assembling to form two sliding grooves, rectangular tubes of different lengths are cut according to the size of the sliding grooves, and then assembled.

[0011] Furthermore, the rectangular tubes in each of the four frames are set to have the same specifications, which makes the processing steps such as cutting the rectangular tubes simpler and more efficient.

[0012] Furthermore, the rectangular tubes in the first frame are smaller than those in the second frame. The second frame is used for the overall structure and for supporting the vehicle when it passes by. This design increases the load-bearing capacity of the second frame while reducing the amount of welding work required for the second frame.

[0013] To improve the strength of the first frame, the first frame includes a rectangular frame and multiple rectangular tubes arranged side by side inside it. The density of the rectangular tubes at both ends of the rectangular frame is greater than the density of the rectangular tubes in the middle. As a result, when a vehicle passes by, the force of the wheels on the tube assembly is first transmitted to the first frame. The denser arrangement of rectangular tubes at both ends of the first frame can better resist the pressure from the wheels, just like a reinforced bridge pier, reducing the risk of deformation of the frame and thus improving the strength and reliability of the structure.

[0014] To improve the smoothness of the intubation assembly's movement, the vertical height of the sliding groove is matched with the vertical height of the intubation tube, enabling the intubation assembly to achieve precise sliding within the sliding groove. This avoids shaking or jamming during the sliding process, ensuring the smoothness and accuracy of the intubation assembly's movement.

[0015] As one implementation method, the vehicle guide plate includes a horizontal plate and guide plates on both sides, with the two guide plates tilted downwards towards the lower side of the dynamometer on their respective sides, in order to better balance the vehicle guidance effect and avoid the problem of scraping. Preferably, the tilt angle of the guide plates is 15°-30°.

[0016] Furthermore, the thickness of the overpass plate is 5mm-8mm, and preferably 6mm, so as to ensure that the overpass plate has a certain strength and rigidity without making it too bulky.

[0017] Furthermore, the wall thickness of the rectangular tube is 3mm-7mm, and preferably 4mm, so that the rectangular tube maintains a stable structure when subjected to various external forces.

[0018] The support frame of this utility model not only provides necessary support for the two sets of insertion tubes, but also allows these two sets of insertion tubes to slide horizontally and alternately within the sliding groove in the middle of the frame. This design simplifies the structure and reduces the need for multiple guide partitions and guide grooves compared to traditional structures, thereby reducing the complexity of the structure. At the same time, by setting the sliding groove to achieve the horizontal and alternate sliding of the insertion tubes, the practice of precisely machining multiple guide grooves in traditional methods is avoided, which significantly reduces the processing difficulty and workload. This not only improves production efficiency, but also helps to reduce costs. In addition, the sliding groove is formed by the frame made of multiple rectangular tubes / flat tubes connected together. While forming a sturdy and simple frame structure, it also forms the sliding groove, further reducing the processing difficulty and workload. Attached Figure Description

[0019] In the attached diagram:

[0020] Figure 1 This is a schematic diagram of the structure of a support component for adjusting the wheelbase of a multi-axle vehicle running-in test bench according to the present invention;

[0021] Figure 2 for Figure 1 A structural diagram showing the structure behind the concealed overhang.

[0022] Figure 3 for Figure 2 A forward-facing diagram;

[0023] Figure 4 for Figure 2 A structural diagram showing the structure after the first frame is hidden;

[0024] Figure 5 for Figure 1 A lateral schematic diagram;

[0025] Figure 6 This is a schematic diagram (top view) illustrating the use of the support components in this embodiment;

[0026] Figure 7 This is a schematic diagram (side view) illustrating the use of the support components in this embodiment;

[0027] The components represented by the various reference numerals in the diagram are:

[0028] 1. Dynamometer; 11. Roller assembly; 12. Cover plate; 2. Insertion tube assembly; 21. Insertion tube component; 3. Frame; 31. Sliding groove; 32. First frame; 33. Second frame; 34. Third frame; 35. Fourth frame; 4. Passage plate; 41. Support plate; 42. Guide plate; 5. Base. Detailed Implementation

[0029] Combination Figure 1This embodiment provides a support component for adjusting the wheelbase of a multi-axle vehicle running-in test bench. This support component is used to support two sets of insertion tube groups 2 between two adjacent dynamometers 1. The insertion tube group 2 includes multiple insertion tubes arranged side by side, and the multiple insertion tubes at one end of the two sets of insertion tube groups 2 are staggered in the horizontal direction. The other end is connected to the two dynamometers 1 respectively. The structure of the dynamometer 1 and the working principle of the staggered arrangement of the two sets of insertion tube groups 2 are as shown in the dynamometer 1 and two moving branch tube assemblies (first moving branch tube assembly and second moving branch tube assembly) in patent application number CN202323252799.7, which will not be described in detail here.

[0030] As the core technical concept of this utility model, the support component includes a frame 3 and a vehicle passage plate 4 on its upper side. The frame 3 is a frame structure connected by multiple rectangular tubes / flat tubes. In the middle of the frame 3, a horizontal sliding groove 31 is formed corresponding to two sets of insertion tube groups 2. That is, the sliding groove 31 is formed by connecting these rectangular tubes / flat tubes. The sliding groove 31 is designed to allow the two sets of insertion tube groups 2 to slide horizontally and alternately.

[0031] Combination Figure 6 The dynamometer 1 includes two sets of rollers 11 arranged opposite each other and a cover plate 12 located between the two sets of rollers 11. When a vehicle passes over them, the tires on both sides drive over the two sets of rollers 11. Each set of insertion tubes 2 includes two insertion tube components 21 respectively arranged corresponding to the two sets of rollers 11. The sliding groove 31 is provided with two corresponding insertion tube components 21, and the two insertion tube components 21 in the two sets of insertion tubes 2 slide horizontally and alternately within their respective sliding grooves 31. Compared with the traditional integral structure in which the insertion tubes 2 are set as a whole corresponding to the position of the dynamometer 1, this method of setting the insertion tube components 21 according to the specific position and size of the two sets of rollers 11 in the dynamometer 1 allows each insertion tube component 21 to be precisely matched with the corresponding roller 11, avoiding the excess material in the integral structure, thus effectively saving materials.

[0032] Combination Figure 2 and Figure 4 Specifically, the frame 3 includes a first frame 32 and a second frame 33 arranged horizontally, a third frame 34 connected in the middle between the two frames 3, and a fourth frame 35 at both ends. The two sliding grooves 31 are formed by the combination of four frames 3. The first frame 32, the second frame 33 and the third frame 34 are rectangular frame structures, and the fourth frame 35 is a U-shaped frame structure with its opening facing the third frame 34, thus forming a stable three-layer frame structure. This multi-layer frame combination increases the overall rigidity of the frame 3, making it less prone to deformation or shaking when the frame 3 is subjected to various forces generated during the two sets of insertion tubes 2 and the vehicle running-in test.

[0033] The four frames 3 are each welded together by multiple rectangular tubes arranged in a longitudinal and transverse manner, which makes it easier to operate during the welding and assembly process. When assembling to form two sliding grooves 31, rectangular tubes of different lengths are cut according to the size of the sliding grooves 31, and then assembled.

[0034] The rectangular tubes in each of the four frames 3 are set to the same specifications, which makes the processing steps such as cutting the rectangular tubes simpler and more efficient.

[0035] The rectangular tube in the first frame 32 is smaller than the rectangular tube in the second frame 33. The second frame 33 is used for the overall structure and for supporting the vehicle when it passes by. This arrangement improves the load-bearing capacity of the second frame 33 while reducing the amount of welding work required for the second frame 33.

[0036] The first frame 32 includes a rectangular frame and multiple rectangular tubes arranged side by side inside it. The density of the rectangular tubes at both ends of the rectangular frame is greater than the density of the rectangular tubes in the middle. Therefore, when a vehicle passes by, the force exerted by the wheel on the insertion tube assembly 2 is first transmitted to the first frame 32. The denser arrangement of rectangular tubes at both ends of the first frame 32 can better resist the pressure from the wheel, just like a reinforced bridge pier, reducing the risk of deformation of the frame 3, thereby improving the strength and reliability of the structure.

[0037] In this embodiment, the cross-sectional shape of the rectangular tube is square, rectangular, or elliptical, and the wall thickness of the rectangular tube is set to 3mm-7mm, preferably 4mm, so that the rectangular tube maintains a stable structure when subjected to various external forces.

[0038] Combination Figure 3 The vertical height of the sliding groove 31 is matched with the vertical height of the intubation tube, so that the intubation tube assembly 2 can achieve precise sliding fit in the sliding groove 31. This can avoid the intubation tube assembly 2 from shaking or getting stuck during the sliding process, and ensure the smoothness and accuracy of the movement of the intubation tube assembly 2.

[0039] Combination Figure 5 The vehicle clearance plate 4 includes a horizontal plate and guide plates 42 on both sides. The two guide plates 42 are inclined towards the lower side of the dynamometer 1 on their respective sides to better balance the vehicle guidance effect and avoid scratches. Preferably, the inclination angle of the guide plates 42 is 15°-30°. The thickness of the vehicle clearance plate 4 is 5mm-8mm, and preferably 6mm, to ensure that the vehicle clearance plate 4 has a certain strength and rigidity without making it too bulky.

[0040] Combination Figure 7The two adjacent dynamometers 1 are the first dynamometer 1 and the second dynamometer 1, respectively. The first dynamometer 1 is also provided with a base 5 on its lower side, and the first dynamometer 1 is connected to the base 5 through a drive mechanism. The drive mechanism can drive the first dynamometer 1 to slide away from the second dynamometer 1. The bottom of the frame 3 is also provided with a connecting plate that is slidably connected to the base 5. The frame 3 and the first dynamometer 1 are also connected by a horizontally arranged connecting rod. In use, the drive mechanism drives the first dynamometer 1 to slide away from the second dynamometer 1. The insertion tube group 2 connected to the first dynamometer 1 slides along the sliding groove 31 towards the first dynamometer 1, thereby realizing the adjustment of the wheelbase between the two dynamometers 1. During the continued sliding of the first dynamometer 1, this support component slides along the base 5 away from the second dynamometer 1 under the action of the connecting rod, thereby realizing the further adjustment of the wheelbase between the two dynamometers 1.

[0041] The frame 3 of this support component not only provides the necessary support for the two sets of insertion tubes 2, but also allows the two sets of insertion tubes to slide horizontally and alternately within the sliding groove 31 in the middle of the frame 3. This design simplifies the structure and reduces the need for multiple guide partitions and guide grooves compared to traditional structures, thereby reducing the complexity of the structure. At the same time, by setting the sliding groove 31 to achieve the horizontal and alternate sliding of the insertion tubes 2, the practice of precisely machining multiple guide grooves in the traditional method is avoided, which significantly reduces the processing difficulty and amount of processing. This not only improves production efficiency, but also helps to reduce costs. In addition, the frame 3 is composed of multiple rectangular tubes connected together, which not only forms a sturdy and simple frame structure for the frame 3, but also facilitates the assembly of the frame 3.

Claims

1. A support component for adjusting the wheelbase of a multi-axle vehicle running-in test bench, used for supporting two sets of insertion tube groups (2) between two adjacent dynamometers (1), wherein the insertion tube group (2) includes multiple insertion tubes arranged side by side, and the multiple insertion tubes at opposite ends of the two sets of insertion tube groups (2) are staggered in the horizontal direction, and the other ends are respectively connected to the two dynamometers (1), characterized in that: The supporting components include a frame (3) and a vehicle passage plate (4) on its upper side; The frame (3) is a frame structure made up of multiple rectangular tubes / flat tubes. In the middle of the frame (3), there are horizontal sliding grooves (31) corresponding to two sets of insertion tubes (2). The sliding grooves (31) are designed to allow the two sets of insertion tubes (2) to slide horizontally and alternately.

2. The support member for wheelbase adjustment of a multi-axle vehicle break-in test bench as described in claim 1, characterized in that, The dynamometer (1) includes two sets of rollers (11) arranged opposite to each other; The cannula assembly (2) includes two cannula components (21) corresponding to the two roller assemblies (11), and the sliding groove (31) is provided in two corresponding positions to the two cannula components (21).

3. The support component for wheelbase adjustment of a multi-axle vehicle break-in test bench as described in claim 2, characterized in that, The frame (3) includes a first frame (32) and a second frame (33) arranged horizontally in the upper and lower dimensions, as well as a third frame (34) connected in the middle between the two frames and a fourth frame (35) at both ends; The first frame (32), the second frame (33) and the third frame (34) are rectangular frame structures, the fourth frame (35) is a U-shaped frame structure with its opening facing the third frame (34), and the two sliding grooves (31) are formed by combining four frames (3).

4. The support member for wheelbase adjustment of a multi-axle vehicle break-in test bench as described in claim 3, characterized in that, The four frames (3) are each welded together by multiple rectangular tubes arranged in a longitudinal and transverse manner.

5. The support member for wheelbase adjustment of a multi-axle vehicle break-in test bench as described in claim 4, characterized in that, The first frame (32) includes a rectangular frame and multiple rectangular tubes arranged side by side inside it, and the arrangement density of the rectangular tubes at both ends of the rectangular frame is greater than the arrangement density of the rectangular tubes in the middle.

6. The support member for wheelbase adjustment of a multi-axle vehicle break-in test bench as described in claim 4, characterized in that, The rectangular tube in the first frame (32) is smaller than the rectangular tube in the second frame (33).

7. The support member for wheelbase adjustment of a multi-axle vehicle break-in test bench as described in claim 4, characterized in that, The vertical height dimension of the sliding groove (31) is adapted to the vertical height dimension of the insertion tube.

8. A support member for wheelbase adjustment of a multi-axle vehicle running-in test bench as described in any one of claims 1-7, characterized in that, The vehicle passage plate (4) includes a horizontal plate (41) and guide plates (42) on both sides, and the two guide plates (42) are inclined to point to the lower side of the dynamometer (1) on their respective sides.

9. The support member for wheelbase adjustment of a multi-axle vehicle break-in test bench as described in claim 8, characterized in that, The thickness of the overpass plate (4) is 5mm-8mm.

10. The support member for wheelbase adjustment of a multi-axle vehicle break-in test bench as described in claim 8, characterized in that, The wall thickness of the rectangular tube is 3mm-7mm.

Images