Comprehensive performance test bed for fuel pump

Abstract

The utility model discloses a comprehensive performance test bench for a fuel pump, and particularly relates to the technical field of test benches, the comprehensive performance test bench for the fuel pump comprises a test bench for detecting the performance of the fuel pump and an environment cabinet, and an adjusting assembly for adjusting the distance is arranged between the test bench and the environment cabinet; the adjusting assembly comprises a mounting plate arranged on the front side of the environment cabinet, the front side of the mounting plate is provided with a connecting assembly used for being connected with a test bed, fixing pieces are installed at the two ends of the mounting plate, and fixing grooves are formed in the rear sides of the two fixing pieces. Through transmission cooperation of the belt and the two belt pulleys, the motor can synchronously drive the two threaded rods to operate synchronously, the threaded rods drive the connecting pieces limited by the fixing grooves to move backwards, and therefore the direction of the packaging box supported by the rolling wheels can be adjusted; therefore, the convenience of adjusting the position relation between the test bench and the environment cabinet by a worker can be improved, and the stability of adjusting the direction of the environment cabinet can be improved due to synchronous operation of the two threaded rods.

Description

Technical Field

[0001] The utility model relates to the technical field of test benches, in particular to a comprehensive performance test bench for a fuel pump. Background Art

[0002] Fuel pumps are mainly used to transport liquids including water, oil, acid and alkali liquids, emulsions, suspensions and liquid metals, etc. They can also transport liquid and gas mixtures, liquids containing suspended solids. Some pumps can be used as hydraulic pumps, and their main function is to produce high-pressure liquids. The fuel pump is like the heart of a diesel engine, and its performance directly affects the working performance of the diesel engine. The technical status of the fuel pump test bench determines the technical status of the fuel pumps debugged by it.

[0003] As shown in the application document of the prior art publication number CN217976637U, it includes a test bench body and an environmental chamber, and also includes a connecting mechanism, which is composed of a U-shaped frame, a strip plate, a spacer plate, a positioning hole, a positioning pin and a guardrail. The U-shaped frame is symmetrically welded with strip plates that can be locked on both sides of the test bench body by bolts at one end of the frame away from the U-shaped mouth, and a spacer plate for providing a partition distance is welded in the U-shaped groove of the U-shaped frame away from the test bench body. A connecting mechanism for connection is provided between the test bench body for testing the performance of the electric fuel pump and the environmental chamber. With the help of the setting of the connecting mechanism, a limited connection between the environmental chamber and the test bench body is achieved, so that there will be no large-distance displacement when the environmental chamber and the test bench body are in operation, thereby avoiding the oil pipeline between the environmental chamber and the test bench body from being pulled apart.

[0004] However, when adjusting the positional relationship between the test bench and the environmental chamber, the above technical solution requires the staff to perform manual adjustments and disassemble multiple bolts before adjustment. This will increase the operating steps and the workload of the staff, which will in turn affect the convenience of the staff in adjusting the positional relationship between the test bench and the environmental chamber. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a fuel pump comprehensive performance test bench, through the transmission cooperation of the belt and two pulleys, the motor can synchronously drive the two threaded rods to operate synchronously, and the threaded rods drive the connecting piece limited by the fixed groove to move backward, so that the orientation of the packaging box supported by the roller can be adjusted, thereby improving the convenience of the staff in adjusting the position relationship between the test bench and the environmental cabinet, and the synchronous operation of the two threaded rods can improve the stability when adjusting the orientation of the environmental cabinet, so as to solve the problems arising from the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fuel pump comprehensive performance test bench, comprising a test bench and an environmental cabinet for testing the performance of the fuel pump, wherein an adjustment component for adjusting the distance is provided between the test bench and the environmental cabinet;

[0007] The adjustment assembly includes a mounting plate arranged on the front side of the environmental cabinet, and a connecting assembly for connecting the test bench is arranged on the front side of the mounting plate, fixing pieces are installed at both ends of the mounting plate, and fixing grooves are opened on the rear sides of the two fixing pieces, and threaded rods movably connected through bearings are arranged inside the fixing grooves, and a connecting piece penetrating the fixing grooves is threadedly connected to the rear end of the threaded rods;

[0008] A linkage shaft is provided at the front side of each fixing member, the rear end of the linkage shaft passes through the fixing member and is fixed to the front end of the threaded rod, a pulley is installed at the front end of each linkage shaft, a belt is provided between the two pulleys, and the two pulleys are driven by the belt;

[0009] A packaging box is provided between the two fixing members and is sleeved on the outside of the bottom end of the environmental cabinet. An end of the rear end of the connector away from the fixing members is fixed to the rear side of the packaging box.

[0010] In a preferred embodiment, the connecting assembly includes a support plate arranged on the rear side of the test bench, two connecting plates for connecting the mounting plate are installed on the rear side of the support plate, support members are installed on the front sides of both ends of the support plate, and the support members are fixed to the test bench by bolts; the pulley is arranged between the two connecting plates, and the support member is connected and fixed to the test bench by bolts, thereby ensuring the stability of the adjustment assembly and facilitating the staff to disassemble the adjustment assembly.

[0011] In a preferred embodiment, a motor is provided on the front side of one of the pulleys, the output shaft of the motor is fixed to the pulley, and the motor is installed on the rear side of one end of the support plate. Through the connection between the motor output shaft and the pulley, the motor can drive the two pulleys driven by the belt to operate.

[0012] In a preferred embodiment, the front end cross-section of the connecting piece and the cross-section of the fixing groove are both set to be rectangular, and the outer wall of the connecting piece is in contact with the inner wall of the fixing groove. By setting the cross-section of the connecting piece and the cross-section of the fixing groove to be held, the fixing groove can limit the connecting piece, thereby ensuring the stability of the connecting piece during movement and avoiding the displacement of the connecting piece during movement.

[0013] In a preferred embodiment, a plurality of rollers are installed at the bottom of the packaging box, and the plurality of rollers are evenly spaced apart. The packaging box is supported by the plurality of rollers, thereby improving the convenience of the staff in moving the environmental cabinet.

[0014] In a preferred embodiment, the cross section of the connector is set to be L-shaped. By setting the cross section of the connector to be L-shaped, the rear end of the connector can be fixed to the packaging box, thereby improving the convenience of the staff in adjusting the packaging box.

[0015] Technical effects and advantages of the utility model:

[0016] Through the transmission cooperation of the belt and two pulleys, the motor can synchronously drive the two threaded rods to operate synchronously, and the threaded rods drive the connecting parts limited by the fixed groove to move backward, so that the orientation of the packaging box supported by the roller can be adjusted, thereby improving the convenience of the staff in adjusting the position relationship between the test bench and the environmental cabinet, and the synchronous operation of the two threaded rods can improve the stability when adjusting the orientation of the environmental cabinet. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a front view of the support plate of the utility model;

[0019] Figure 3 This is an exploded view of the support plate of the utility model;

[0020] Figure 4 It is a top cross-sectional view of the fixing member of the utility model;

[0021] Figure 5 It is a rear view of the threaded rod of the utility model.

[0022] The accompanying drawings are marked as follows: 1. test bench; 2. environmental cabinet; 3. mounting plate; 4. fixing member; 5. fixing groove; 6. threaded rod; 7. connecting member; 8. linkage shaft; 9. pulley; 10. belt; 11. packaging box; 12. support plate; 13. connecting plate; 14. support member; 15. motor; 16. roller. DETAILED DESCRIPTION

[0023] Refer to the instruction manual Figure 1-5 The utility model provides a fuel pump comprehensive performance test bench, comprising a test bench 1 and an environmental cabinet 2 for fuel pump performance testing, wherein an adjustment component for adjusting the distance is provided between the test bench 1 and the environmental cabinet 2;

[0024] like Figure 2-5As shown, the adjustment component includes a mounting plate 3 arranged on the front side of the environmental cabinet 2, and a connecting component for connecting the test bench 1 is provided on the front side of the mounting plate 3, fixing parts 4 are installed at both ends of the mounting plate 3, and fixing grooves 5 are opened on the rear sides of the two fixing parts 4, and threaded rods 6 movably connected through bearings are provided inside the fixing grooves 5, and the rear end of the threaded rods 6 is externally threadedly connected with a connector 7 that passes through the fixing grooves 5; a linkage shaft 8 is provided on the front side of each fixing part 4, and the rear end of the linkage shaft 8 passes through the fixing part 4 and is fixed to the front end of the threaded rod 6, and a pulley 9 is installed on the front end of each linkage shaft 8, and a belt 10 is provided between the two pulleys 9, and the two pulleys 9 are driven by the belt 10; a packaging box 11 is provided between the two fixing parts 4 and is sleeved on the outside of the bottom end of the environmental cabinet 2, and the end of the rear end of the connector 7 away from the fixing part 4 is fixed to the rear side of the packaging box 11.

[0025] like Figure 2 and 3 As shown, the connecting assembly includes a support plate 12 arranged on the rear side of the test bench 1, two connecting plates 13 for connecting the mounting plate 3 are installed on the rear side of the support plate 12, and support members 14 are installed on the front sides of both ends of the support plate 12, and the support members 14 are fixed to the test bench 1 by bolts; the pulley 9 is arranged between the two connecting plates 13, and the support member 14 is connected and fixed to the test bench 1 by bolts, so as to ensure the stability of the adjustment assembly and also facilitate the staff to disassemble the adjustment assembly.

[0026] like Figure 2 and 3 As shown, a motor 15 is provided on the front side of one of the pulleys 9, and the output shaft of the motor 15 is fixed to the pulley 9. The motor 15 is installed on the rear side of one end of the support plate 12. Through the connection between the output shaft of the motor 15 and the pulley 9, the motor 15 can drive the two pulleys 9 driven by the belt 10 to operate.

[0027] like Figure 4 As shown, the front end cross-section of the connector 7 and the cross-section of the fixing groove 5 are both set to be rectangular, and the outer wall of the connector 7 is in contact with the inner wall of the fixing groove 5. By setting the cross-section of the connector 7 and the cross-section of the fixing groove 5 to be held, the fixing groove 5 can limit the connector 7, thereby ensuring the stability of the connector 7 during movement and avoiding the displacement of the connector 7 during movement.

[0028] like Figure 1-3 As shown, a plurality of rollers 16 are installed at the bottom of the packaging box 11 , and the plurality of rollers 16 are evenly spaced apart. The packaging box 11 is supported by the plurality of rollers 16 , thereby improving the convenience of the staff in moving the environmental cabinet 2 .

[0029] like Figure 4As shown, the cross section of the connector 7 is set to be L-shaped. By setting the cross section of the connector 7 to be L-shaped, the rear end of the connector 7 can be fixed together with the packaging box 11, thereby improving the convenience of the staff in adjusting the packaging box 11.

[0030] Through the transmission cooperation between the belt 10 and the two pulleys 9, the motor 15 can synchronously drive the two threaded rods 6 to operate synchronously, and the threaded rod 6 drives the connecting piece 7 limited by the fixed groove 5 to move backward, so that the packaging box 11 supported by the roller 16 can be adjusted in position, thereby improving the convenience of the staff in adjusting the position relationship between the test bench 1 and the environmental cabinet 2, and at the same time, it can effectively ensure the stability of the distance between the test bench 1 and the environmental cabinet 2, and there will be no significant changes, thereby ensuring the connection stability of the equipment between the test bench 1 and the environmental cabinet 2.

Claims

1. A fuel pump comprehensive performance test bench, characterized by: It comprises a test bench (1) and an environmental cabinet (2) for testing the performance of a fuel pump, wherein an adjustment component for adjusting the distance is provided between the test bench (1) and the environmental cabinet (2); The adjustment component comprises a mounting plate (3) arranged on the front side of the environmental cabinet (2), and a connecting component for connecting to the test bench (1) is arranged on the front side of the mounting plate (3), fixing members (4) are installed at both ends of the mounting plate (3), and fixing grooves (5) are provided on the rear sides of the two fixing members (4), and threaded rods (6) movably connected through bearings are arranged inside the fixing grooves (5), and a connecting member (7) penetrating the fixing grooves (5) is threadedly connected to the rear end of the threaded rod (6); A linkage shaft (8) is provided on the front side of each fixing member (4), the rear end of the linkage shaft (8) passes through the fixing member (4) and is fixed to the front end of the threaded rod (6), a pulley (9) is installed on the front end of each linkage shaft (8), a belt (10) is provided between the two pulleys (9), and the two pulleys (9) are driven by the belt (10); A packaging box (11) sleeved on the outside of the bottom end of the environmental cabinet (2) is provided between the two fixing members (4), and an end of the rear end of the connecting member (7) away from the fixing members (4) is fixed to the rear side of the packaging box (11).

2. A fuel pump comprehensive performance test bench according to claim 1, characterized in that: The connection assembly comprises a support plate (12) arranged at the rear side of the test bench (1), two connection plates (13) for connecting the mounting plate (3) are installed at the rear side of the support plate (12), and support members (14) are installed at the front sides of both ends of the support plate (12), and the support members (14) are fixed to the test bench (1) by bolts; The pulley (9) is arranged between two connecting plates (13).

3. A fuel pump comprehensive performance test bench according to claim 2, characterized in that: A motor (15) is provided on the front side of one of the pulleys (9), an output shaft of the motor (15) is fixed to the pulley (9), and the motor (15) is mounted on the rear side of one end of the support plate (12).

4. A fuel pump comprehensive performance test bench according to claim 1, characterized in that: The front end cross section of the connecting piece (7) and the cross section of the fixing groove (5) are both set to be rectangular, and the outer wall of the connecting piece (7) is in contact with the inner wall of the fixing groove (5).

5. A fuel pump comprehensive performance test bench according to claim 1, characterized in that: A plurality of rollers (16) are installed at the bottom of the packaging box (11), and the plurality of rollers (16) are evenly spaced.

6. A fuel pump comprehensive performance test bench according to claim 1, characterized in that: The cross section of the connecting piece (7) is set to be L-shaped.

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