Mounting rack of vehicle test runway wind pressure sensor

Abstract

The utility model discloses a mounting rack for a vehicle test runway wind pressure sensor, which comprises a base, the top of the base is fixedly connected with a support frame, the outer side wall of the support frame is sleeved with a connecting frame, a fixing mechanism is assembled between one side wall of the connecting frame and the support frame, and the other side wall of the connecting frame is fixedly provided with an assembling frame. A fixing mode that a fixing frame and a fixing groove are clamped with each other is adopted in the fixing mechanism, the stability of connection and fixation between a connecting frame and a supporting frame can be improved, and therefore the stability of the height position of the wind pressure sensor in the testing process is enhanced; in the testing process, the relative position between the assembling block and the assembling plate can be adjusted according to the testing requirement, the adjusting process is simpler and more convenient, and different testing requirements are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to vehicle test technical field, concretely relates to a kind of installation rack of vehicle test runway wind pressure sensor. BACKGROUND

[0002] In the design and production process of motor vehicle, the different performances of vehicle need to be tested, to ensure that vehicle has good product quality after mass production. Among them, the wind pressure test of vehicle is also important, and the purpose is to test the wind pressure data generated by vehicle in high-speed driving process, to calculate the air resistance in driving process, which helps designers to understand the aerodynamic performance of vehicle under different data. The existing test method is to set wind pressure sensor on both sides of test runway, and vehicle is driven along test runway, and wind pressure sensor is used to test wind pressure. Wind pressure sensor is mostly fixed in the installation rack of corresponding position, and the size of test vehicle will change during wind pressure test. The existing installation rack is not convenient to adjust the detection position of wind pressure sensor according to the body size of test vehicle, so that the detection data of wind pressure sensor has error, which affects the judgment of subsequent engineers on its performance. Therefore, we propose a kind of installation rack of vehicle test runway wind pressure sensor. SUMMARY

[0003] The utility model aims at providing a kind of installation rack of vehicle test runway wind pressure sensor to solve the problems raised in the above background.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of installation rack of vehicle test runway wind pressure sensor, including base, the top of the base is fixedly connected with support frame, the outer side wall of the support frame is sleeved with connecting frame, and the side wall between the connecting frame and support frame is equipped with fixed mechanism, the other side wall of the connecting frame is fixedly equipped with assembly frame, and the wind pressure sensor is fixedly equipped in the assembly frame;

[0005] The fixed mechanism includes fixed frame, the side wall of the connecting frame is provided with fixed port, the side wall of the support frame is uniformly provided with fixed slot, and the side wall of the fixed frame is fixedly equipped with fastening bolt screwed into fixed hole.

[0006] Preferably, the fixed frame is U-shaped.

[0007] Preferably, the number of fastening bolts is at least two, and the two fastening bolts are oppositely distributed on the side wall of the fixed frame.

[0008] Preferably, the assembling frame comprises a fixing block fixedly connected to the side wall of the connecting frame, the bottom of the fixing block is fixedly connected with assembling plates oppositely arranged, the top of the assembling plates is assembled with assembling blocks, and the assembling blocks and the assembling plates are assembled with a positioning assembly.

[0009] Preferably, the positioning assembly comprises positioning grooves oppositely arranged in the bottom of the assembling blocks, the inner cavities of the assembling blocks are provided with positioning cavities oppositely arranged, the positioning cavities are fixedly connected with fixing shafts, the positioning cavities are assembled with positioning plates, the fixing shafts penetrate through the positioning plates, one side wall of the positioning plates is fixedly connected with positioning pins penetrating through the positioning cavities and the positioning grooves, the side walls of the assembling plates are uniformly provided with positioning pin insertion holes, the other side wall of the positioning plates and the positioning cavities are fixedly assembled with springs, and the bottom of the positioning plates is fixedly connected with handle plates.

[0010] Compared with the prior art, the vehicle test runway wind pressure sensor mounting frame has the advantages that: the connecting frame can be adjusted in height position in the support frame, so that the installation height of the wind pressure sensor is adjusted; the fixing mechanism in the fixing frame and the fixing groove are mutually clamped, so that the stability of the connection and fixation between the connecting frame and the support frame is improved, thereby the stability of the height position of the wind pressure sensor in the test process is strengthened; the wind pressure sensor is assembled on the surface of the assembling block in the assembling frame, and the relative position between the assembling block and the assembling plate can be adjusted according to the test requirements in the test process, the adjustment process is simpler and more convenient, and different test requirements are met. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a perspective view of the utility model.

[0012] Figure 2 It is a structural schematic view of the fixing mechanism of the utility model.

[0013] Figure 3 It is a structural schematic view of the positioning assembly of the utility model.

[0014] Figure 4 It is a structural schematic view of the utility model fixedly assembled on both sides of the test runway.

[0015] In the figure: 1, base; 2, support frame; 3, connecting frame; 4, fixing mechanism; 41, fixing frame; 42, fixing port; 43, fixing groove; 44, fixing hole; 45, fastening bolt; 5, assembly frame; 51, fixing block; 52, assembly plate; 53, assembly block; 6, wind pressure sensor; 7, positioning assembly; 71, positioning groove; 72, positioning cavity; 73, fixing shaft; 74, positioning plate; 75, positioning pin; 76, positioning pin insertion hole; 77, spring; 78, handle plate; 8, reinforcing block. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0017] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 , the utility model provides a kind of technical scheme: a kind of vehicle test runway wind pressure sensor's mounting bracket, including base 1, fixed assembly is equipped with fixed bolt at the four corners of base 1, wind pressure can be fixed assembly in the two sides of test runway by fixed bolt according to test requirement, the surface of base 1 is welded and fixed with support frame 2, support frame 2 is made of H-shaped steel, connecting frame 3 is sleeved on the outer side wall of support frame 2, connecting frame 3 and support frame 2 between assembly have fixing mechanism 4, the height position of connecting frame 3 in support frame 2 can be adjusted by the fixing mechanism 4 set, fixing mechanism 4 can strengthen the stability of connecting frame 3 and support frame 2 fixed.

[0018] As shown in Figure 1 and Figure 2 , fixing mechanism 4 includes fixing frame 41, fixing frame 41 is U-shaped, fixing frame 41 is inserted into fixed groove 43 through fixed port 42, fixed port 42 is penetrated and arranged in the side wall of connecting frame 3, fixed groove 43 is evenly arranged in support frame 2, the side wall of fixing frame 41 is equipped with fastening bolt 45 screwed into fixed hole 44, fixed hole 44 is evenly arranged in the side wall of support frame 2, the number of fastening bolt 45 is at least two, first, the stability of connecting frame 3 and support frame 2 between connection fixed can be improved by fixing frame 41 inserted into corresponding position fixed port 42 through fixed groove 43, second, the stability of connecting frame 3 and support frame 2 between connection fixed is further strengthened by setting at least two fastening bolts 45, so as to improve the stability of fixed position of wind pressure sensor 6 in the process of wind pressure test to vehicle.

[0019] The side wall opposite to the fixing mechanism 4 of the connecting frame 3 is fixedly provided with an assembling frame 5, the assembling frame 5 is used for assembling and fixing the wind pressure sensor 6, the assembling frame 5 comprises a fixed block 51, the fixed block 51 is welded and fixed on the side wall of the connecting frame 3, the bottom of the fixed block 51 is welded and fixed with assembling plates 52 which are distributed in front and back, the top of the assembling plates 52 is assembled with assembling blocks 53, the assembling blocks 53 are used for mounting and fixing the wind pressure sensor 6, the bottom of the assembling block 53 is assembled with the positioning assembly 7 between the assembling plates 52, the relative mounting position between the assembling block 53 and the assembling plates 52 can be fixed through the positioning assembly 7, so that the position of the wind pressure sensor 6 can be adjusted according to the test requirement, and the adjusting process of the position of the assembling block 53 is simple and convenient.

[0020] As shown in Figure 3 The positioning assembly 7 comprises a positioning groove 71, the positioning groove 71 is arranged on the bottom of the assembling block 53, the positioning groove 71 is used for clamping the assembling plates 52, the bottom of the assembling block 53 is provided with a positioning cavity 72 which is arranged oppositely, the center of the positioning cavity 72 is fixedly provided with a fixed shaft 73, the outer side wall of the fixed shaft 73 is sleeved with a positioning plate 74, one side wall of the positioning plate 74 is fixedly connected with a positioning pin 75 which penetrates through the positioning groove 71, the side wall of the assembling plate 52 is uniformly provided with a positioning pin insertion hole 76, the positioning pin 75 penetrates into the positioning pin insertion hole 76, the position between the assembling block 53 and the assembling plate 52 is fixed, the other side wall of the positioning plate 74 and the positioning cavity 72 are fixedly provided with a spring 77, the spring 77 is sleeved on the outer side wall of the fixed shaft 73, the spring 77 is used for resetting the positioning plate 74 after moving in the positioning cavity 72, the bottom of the positioning plate 74 is fixedly connected with a handle plate 78 which penetrates through the assembling block 53, and the bottom of the assembling block 53 is also provided with an opening slot (not shown in the drawing) which is used for moving the handle plate 78, the position of the positioning plate 74 in the positioning cavity 72 can be adjusted through the movement of the handle plate 78 in the opening slot, so that the positioning pin 75 and the positioning pin insertion hole 76 are separated.

[0021] As shown in Figure 2 The reinforcing blocks 8 are uniformly welded and fixed between the assembling plates 52 and the fixed block 51, the stability of the connection and fixation between the assembling plates 52 and the fixed block 51 can be improved through the uniformly arranged reinforcing blocks 8.

[0022] Working principle: as Figure 1 And Figure 4As shown in the middle, when testing the wind pressure in the process of vehicle movement in the test track of the vehicle, first, according to the requirements of the test position, the base 1 is fixedly assembled on both sides of the test track, then according to the test requirements, the height position between the connecting frame 3 and the support frame 2 can be adjusted, the connecting frame 3 and the support frame 2 are connected and fixed by the fixed mechanism 4, the height position of the connecting frame 3 is more stable, then through the positioning assembly 7, the assembly position between the assembly block 53 and the assembly plate 52 can be adjusted according to the test requirements, the operation of the adjusting process is simple and convenient, and after the vehicle passes through the test track, the wind pressure in the driving process of the vehicle can be fully tested.

Claims

1. A mounting rack for wind pressure sensors of a vehicle test track, comprising a base (1), characterized in that: The top of the base (1) is fixedly connected with a support frame (2), the outer side wall of the support frame (2) is sleeved with a connecting frame (3), the side wall of the connecting frame (3) is assembled with a fixing mechanism (4) between the support frame (2), the other side wall of the connecting frame (3) is fixedly assembled with an assembly frame (5), and the assembly frame (5) is fixedly assembled with a wind pressure sensor (6) in the inside. The fixing mechanism (4) comprises a fixed frame (41), the side wall of the connecting frame (3) is provided with a fixed port (42), the side wall of the support frame (2) is uniformly provided with a fixed groove (43), and the side wall of the fixed frame (41) is fixedly assembled with a fastening bolt (45) screwed into the fixed hole (44).

2. A mounting bracket for a wind pressure sensor of a vehicle test track according to claim 1, characterized in that: The fixed frame (41) is U-shaped.

3. The mounting bracket for a wind pressure sensor of a vehicle test track according to claim 1, characterized in that: The number of the fastening bolt (45) is at least two, and the two fastening bolts (45) are oppositely distributed on the side wall of the fixed frame (41).

4. The mounting bracket for a wind pressure sensor of a vehicle test track according to claim 1, characterized in that: The assembly frame (5) comprises a fixed block (51), the fixed block (51) is fixedly connected with the side wall of the connecting frame (3), the bottom of the fixed block (51) is fixedly connected with oppositely arranged assembly plates (52), the top of the assembly plate (52) is assembled with an assembly block (53), and the assembly block (53) and the assembly plate (52) are assembled with a positioning assembly (7).

5. A mounting for a wind pressure sensor for a vehicle test track according to claim 4, characterised in that: The positioning assembly (7) comprises a positioning groove (71), the positioning groove (71) is oppositely provided in the bottom of the assembly block (53), the inner cavity of the assembly block (53) is provided with oppositely arranged positioning cavities (72), the positioning cavities (72) are fixedly connected with fixed shafts (73) in the inside, the positioning cavities (72) are assembled with positioning plates (74), the fixed shafts (73) penetrate through the positioning plates (74), one side wall of the positioning plate (74) is fixedly connected with a positioning pin (75) penetrating through the positioning cavities (72) and the positioning groove (71), the side wall of the assembly plate (52) is uniformly provided with a positioning pin insertion hole (76), the other side wall of the positioning plate (74) and the positioning cavities (72) are fixedly assembled with springs (77), and the bottom of the positioning plate (74) is fixedly connected with a handle plate (78).

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