Testing device for engine torque calibration

Abstract

The utility model relates to the technical field of engine torque testing equipment, and discloses an engine torque calibration testing device which comprises a bottom plate, a vertical block is fixedly connected to the upper surface of the bottom plate, a lifting plate is slidably connected to the front face of the vertical block, and a limiting block is fixedly connected to the front face of the bottom plate. The side, away from the vertical block, of the lifting plate is slidably connected with the back face of the limiting block, the upper surface of the lifting plate is slidably connected with a sliding plate, and the inner wall of the vertical block is slidably connected with a moving plate. The engine moves upwards and then drives the driving rod to move upwards until the driving rod moves to the position aligned with the cylinder, then the handle is pushed, the handle moves to drive the sliding plate to move, the sliding plate moves to drive the engine to move, the engine moves to drive the driving rod to move into the cylinder, then the engine is started, and the engine drives the driving rod to rotate. And the laser sensor detects the torque of the driving rod, so that the equipment has the effect of conveniently conveying the engine and facilitating detection.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of engine torque testing equipment, in particular to a testing device for engine torque calibration. BACKGROUND

[0002] Based on sensor technology, the torque signal of the engine output shaft is detected and converted into an electrical signal or other measurable signal for processing and display. For example, the SGDN series engine output torque testing device uses transformer induction power supply to output an equal square wave or pulse wave frequency signal proportional to torque, or a voltage and current signal.

[0003] Referring to CN 115031894 A, a testing device for engine torque calibration belongs to the technical field of engines and solves the problems of low engine torque calibration efficiency and safety hazards. The device includes a torque sensor connected to the engine crankshaft, a first connecting piece connected to the other end of the torque sensor, a shaft inserted into the first connecting piece, a radial pin inserted into the first connecting piece, the pin extending and being inserted into the shaft at one end, a torque measurement head connected to the other end of the pin, a torque measurement instrument electrically connected to the torque measurement head, a support rod connected to the other end of the shaft, and a bottom disc for holding weights. The testing device for engine torque calibration can quickly calibrate the engine torque, is safe and efficient, greatly reduces the labor intensity of workers, and has the characteristics of convenient use and strong practicality.

[0004] However, there are still the following problems. The engine of the device is heavy, and when detection is needed, manpower is needed to lift the device to a certain height, resulting in time-consuming and labor-intensive detection, affecting the detection of engine torque. Utility model content

[0005] The purpose of the present application is to solve the problem of the heavy engine of the device, which needs to be lifted to a certain height by manpower when detection is needed, resulting in time-consuming and labor-intensive detection, affecting the detection of engine torque. A testing device for engine torque calibration is provided.

[0006] The technical scheme adopted in the application is as follows: a testing device for engine torque calibration, comprising a bottom plate, a vertical block fixedly connected to the upper surface of the bottom plate, a lifting plate slidingly connected to the front surface of the vertical block, a limiting block fixedly connected to the front surface of the bottom plate, the back surface of the limiting block slidingly connected to the side of the lifting plate away from the vertical block, a sliding plate slidingly connected to the upper surface of the lifting plate, a moving plate slidingly connected to the inner wall of the vertical block, a rack fixedly connected to the back surface of the moving plate, a motor fixedly connected to the upper surface of the bottom plate, a rotating rod fixedly connected to the output end of the motor, a gear fixedly sleeved on the surface of the rotating rod, and the front surface of the gear engaged with the back surface of the rack.

[0007] By adopting the above technical scheme, the engine is first placed on the sliding plate, then the motor is turned on, the motor drives the rotating rod to rotate, the rotating rod drives the gear to rotate, the gear drives the rack to move upwards, the rack drives the moving plate to move upwards, the moving plate drives the engine to move upwards through the sliding block, the engine drives the driving rod to move upwards until the driving rod is aligned with the cylinder, then the handle is pushed, the handle drives the sliding plate to move, the sliding plate drives the engine to move, the engine drives the driving rod to move into the cylinder, then the engine is opened, the engine drives the driving rod to rotate, and the laser sensor detects the torque of the driving rod, so that the device has the effects of convenient engine transportation and convenient detection.

[0008] In a preferred embodiment, a sliding groove is formed in the front surface of the vertical block, a sliding block is slidingly connected to the inner wall of the sliding groove, the back surface of the sliding block is fixedly connected to the back surface of the lifting plate, and the back surface of the sliding block is fixedly connected to the front surface of the moving plate.

[0009] By adopting the above technical scheme, the lifting plate can slide on the front surface of the vertical block when the lifting plate is driven.

[0010] In a preferred embodiment, a handle is fixedly connected to the side surface of the sliding plate.

[0011] By adopting the above technical scheme, the handle can be pushed to move, thereby driving the engine to move.

[0012] In a preferred embodiment, a vertical plate is fixedly connected to the upper surface of the bottom plate, a limiting cylinder is fixedly connected to the side surface of the vertical plate, a cylinder is rotatably connected to the side surface of the limiting cylinder, an engine is arranged on the upper surface of the sliding plate, a driving rod is fixedly connected to the output end of the engine, the cylinder is sleeved on the surface of the driving rod, a support is fixedly connected to the side surface of the limiting cylinder, and a signal receiver and a laser sensor are arranged on the inner wall of the support.

[0013] By adopting the technical scheme, the engine is arranged to drive the driving rod to rotate, then the laser sensor detects the driving rod, and the signal receiver receives the signal to detect the torque of the engine.

[0014] In a preferred embodiment, a bearing is embedded in the side surface of the limiting cylinder, the inner ring surface of the bearing is fixedly connected with the surface of the cylinder, and the cylinder is rotatably connected with the side surface of the limiting cylinder through the bearing.

[0015] By adopting the technical scheme, the cylinder can rotate on the side surface of the limiting cylinder when the cylinder is driven.

[0016] In summary, due to the adoption of the above technical scheme, the application has the following beneficial effects:

[0017] 1、In the application, first, the engine is placed on the sliding plate, then the motor is turned on, the motor drives the rotating rod to rotate, the rotating rod drives the gear to rotate, the gear drives the rack to move up, the rack drives the moving plate to move up, the moving plate drives the sliding block to move up, the engine moves up, the driving rod moves up, until the driving rod is moved to the position aligned with the cylinder, then the handle is pushed, the handle drives the sliding plate to move, the sliding plate drives the engine to move, the engine drives the driving rod to move into the cylinder, then the engine is turned on, the engine drives the driving rod to rotate, and the laser sensor detects the torque of the driving rod, so that the device has the effects of convenient engine transportation and convenient detection. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a front view structural schematic diagram of the application;

[0019] Figure 2 It is a back view structural schematic diagram of the application;

[0020] Figure 3 It is a top view structural schematic diagram of the application;

[0021] Figure 4 It is a front view structural schematic diagram of the vertical block of the application.

[0022] Marked in the figure: 1, bottom plate; 2, vertical block; 3, limiting plate; 4, lifting plate; 5, sliding plate; 6, handle; 7, engine; 8, driving rod; 9, vertical plate; 10, support; 11, laser sensor; 12, cylinder; 13, sliding groove; 14, sliding block; 15, moving plate; 16, rack; 17, motor; 18, gear; 19, signal receiver; 20, limiting cylinder; 21, rotating rod; 22, bearing. DETAILED DESCRIPTION

[0023] To make the purposes, technical solutions, and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described below in a clear and complete manner in conjunction with the embodiments of the present application. Obviously, the described embodiments are only some, but not all, of the embodiments of the present application. Based on the embodiments in the present application, any other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0024] EMBODIMENT

[0025] With reference to Figures 2-4 , a test device for engine torque calibration, comprising a base plate 1, the upper surface of the base plate 1 is fixedly connected with a vertical block 2, the front surface of the vertical block 2 is slidably connected with a lifting plate 4, the front surface of the base plate 1 is fixedly connected with a limiting block 3, the side of the lifting plate 4 away from the vertical block 2 is slidably connected with the back surface of the limiting block 3, the upper surface of the lifting plate 4 is slidably connected with a sliding plate 5, the inner wall of the vertical block 2 is slidably connected with a moving plate 15, the back surface of the moving plate 15 is fixedly connected with a rack 16, the upper surface of the base plate 1 is fixedly connected with a motor 17, the output end of the motor 17 is fixedly connected with a rotating rod 21, the surface of the rotating rod 21 is fixedly sleeved with a gear 18, the front surface of the gear 18 is engaged with the back surface of the rack 16, the engine 7 is placed on the sliding plate 5, then the motor 17 is turned on, the motor 17 drives the rotating rod 21 to rotate, the rotating rod 21 drives the gear 18 to rotate, the gear 18 drives the rack 16 to move upwards, the rack 16 drives the moving plate 15 to move upwards, the moving plate 15 drives the engine 7 to move upwards through the sliding block 14, the engine 7 drives the driving rod 8 to move upwards until the driving rod 8 is moved to a position aligned with the cylinder 12, then the handle 6 is pushed, the handle 6 drives the sliding plate 5 to move, the sliding plate 5 drives the engine 7 to move, the engine 7 drives the driving rod 8 to move into the cylinder 12, then the engine 7 is opened, the engine 7 drives the driving rod 8 to rotate, and the torque of the driving rod 8 is detected by the laser sensor 11.

[0026] With reference to Figures 2-3 , the front surface of the vertical block 2 is provided with a sliding groove 13, the inner wall of the sliding groove 13 is slidably connected with a sliding block 14, the side of the sliding block 14 away from the inner wall of the sliding groove 13 is fixedly connected with the back surface of the lifting plate 4, and the back surface of the sliding block 14 is fixedly connected with the front surface of the moving plate 15, by arranging the lifting plate 4, the lifting plate 4 can slide on the front surface of the vertical block 2 when the lifting plate 4 is driven.

[0027] With reference to Figures 1-3 , the side surface of the sliding plate 5 is fixedly connected with the handle 6, by arranging the handle 6, the handle 6 can be conveniently pushed to move, so as to drive the engine 7 to move.

[0028] With reference to Figures 2-3The upper surface of the bottom plate 1 is fixedly connected with a vertical plate 9, the side surface of the vertical plate 9 is fixedly connected with a limiting cylinder 20, the side surface of the limiting cylinder 20 is rotatably connected with a cylinder 12, the upper surface of the sliding plate 5 is provided with an engine 7, the output end of the engine 7 is fixedly connected with a driving rod 8, the cylinder 12 is sleeved on the surface of the driving rod 8, and the clearance between the cylinder 12 and the driving rod 8 is 1-2 mm, so that the cylinder 12 can be sleeved on the surface of the driving rod 8 after the driving rod 8 is aligned with the cylinder 12, the side surface of the limiting cylinder 20 is fixedly connected with a support 10, the inner wall of the support 10 is respectively provided with a signal receiver 19 and a laser sensor 11, the engine 7 is arranged, the driving rod 8 can be driven to rotate, then the laser sensor 11 detects the driving rod 8, the signal receiver 19 receives the signal, and the torque of the engine 7 is detected, and the existing structure is not repeated here.

[0029] With reference to Figures 2-4 The side surface of the limiting cylinder 20 is fixedly embedded with a bearing 22, the inner ring surface of the bearing 22 is fixedly connected with the surface of the cylinder 12, and the cylinder 12 is rotatably connected with the side surface of the limiting cylinder 20 through the bearing 22. By arranging the bearing 22, the cylinder 12 can rotate on the side surface of the limiting cylinder 20 when being driven.

[0030] The implementation principle of the test device embodiment of the engine torque calibration is as follows: first, the engine 7 is placed on the sliding plate 5, then the motor 17 is turned on, the motor 17 drives the rotating rod 21 to rotate, the rotating rod 21 drives the gear 18 to rotate, the gear 18 drives the rack 16 to move upwards, the rack 16 drives the moving plate 15 to move upwards, the moving plate 15 drives the sliding block 14 to move upwards, the sliding block 14 drives the engine 7 to move upwards, the engine 7 drives the driving rod 8 to move upwards, until the driving rod 8 is moved to a position aligned with the cylinder 12, then the handle 6 is pushed, the handle 6 drives the sliding plate 5 to move, the sliding plate 5 drives the engine 7 to move, the engine 7 drives the driving rod 8 to move into the cylinder 12, then the engine 7 is opened, the engine 7 drives the driving rod 8 to rotate, and the laser sensor 11 detects the torque of the driving rod 8, so that the device has the effects of convenient transportation of the engine 7 and convenient detection.

[0031] The above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A test device for engine torque calibration, comprising a base plate (1), characterized in that: A vertical block (2) is fixedly connected to the upper surface of the base plate (1). A lifting plate (4) is slidably connected to the front of the vertical block (2). A limiting block (3) is fixedly connected to the front of the base plate (1). The side of the lifting plate (4) away from the vertical block (2) is slidably connected to the back of the limiting block (3). A sliding plate (5) is slidably connected to the upper surface of the lifting plate (4). A moving plate (15) is slidably connected to the inner wall of the vertical block (2). A rack (16) is fixedly connected to the back of the moving plate (15). A motor (17) is fixedly connected to the upper surface of the base plate (1). A rotating rod (21) is fixedly connected to the output end of the motor (17). A gear (18) is fixedly sleeved on the surface of the rotating rod (21). The front of the gear (18) meshes with the back of the rack (16).

2. The engine torque calibration test device as described in claim 1, characterized in that: The front of the vertical block (2) is provided with a sliding groove (13), and a slider (14) is slidably connected to the inner wall of the sliding groove (13). The side of the slider (14) away from the inner wall of the sliding groove (13) is fixedly connected to the back of the lifting plate (4), and the back of the slider (14) is fixedly connected to the front of the moving plate (15).

3. The engine torque calibration test device as described in claim 1, characterized in that: A handle (6) is fixedly connected to the side of the skateboard (5).

4. The test device for engine torque calibration as described in claim 1, characterized in that: A vertical plate (9) is fixedly connected to the upper surface of the base plate (1), a limiting cylinder (20) is fixedly connected to the side of the vertical plate (9), a cylinder (12) is rotatably connected to the side of the limiting cylinder (20), an engine (7) is provided on the upper surface of the slide plate (5), a drive rod (8) is fixedly connected to the output end of the engine (7), and the cylinder (12) is sleeved on the surface of the drive rod (8).

5. The engine torque calibration test device as described in claim 4, characterized in that: The side of the limiting cylinder (20) is fixedly connected to a bracket (10), and the inner wall of the bracket (10) is respectively provided with a signal receiver (19) and a laser sensor (11).

6. The test device for engine torque calibration as described in claim 5, characterized in that: A bearing (22) is fixedly embedded on the side of the limiting cylinder (20). The inner ring surface of the bearing (22) is fixedly connected to the surface of the cylinder (12). The cylinder (12) is rotatably connected to the side of the limiting cylinder (20) through the bearing (22).

Images