Pressure testing machine for belt wheel production

Abstract

The utility model belongs to the technical field of pressure testing machines, particularly relates to a pressure testing machine for belt wheel production, and aims to solve the problems that when a pressure testing machine in the prior art is used for testing a belt wheel, the belt wheel needs to be scoured by manually holding a spray gun before and after the test, and the use is inconvenient, the following scheme is provided: the pressure testing machine comprises a box body, a placing plate is fixedly mounted in the box body, a fixing frame is fixedly mounted at the top of the box body, a hydraulic cylinder is fixedly mounted at the bottom of the fixing frame, a connecting plate is fixedly connected to a piston shaft of the hydraulic cylinder, a plurality of connecting columns are fixedly mounted at the bottom of the connecting plate, and a pressure sensor is fixedly mounted at the top of the connecting plate; a water tank is fixedly mounted on one side of the box, and a water pump is fixedly mounted at the top of the water tank. The belt wheel washing device is reasonable in structural design and easy to operate, solves the problems that the labor intensity is high and time and labor are wasted when a water gun needs to be held manually to wash the belt wheel, and improves the working efficiency of the belt wheel washing device.

Description

Technical Field

[0001] The utility model relates to the technical field of pressure testing machines, in particular to a pressure testing machine for pulley production. Background Art

[0002] Pressure testing is a test for measuring the pressure that a material under test can withstand, and it is a necessary test parameter for testing the performance of the material under test.

[0003] However, when the pressure testing machine in the prior art tests a pulley, it is necessary to manually hold a spray gun to flush the pulley before and after the test, which is inconvenient to use. Therefore, we propose a pressure testing machine for pulley production to solve the above problems. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the drawback that when the pressure testing machine in the prior art tests a pulley, it is necessary to manually hold a spray gun to flush the pulley before and after the test, which is inconvenient to use, and to propose a pressure testing machine for pulley production.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A pressure testing machine for pulley production includes a box body. A placement plate is fixedly installed inside the box body. A fixed frame is fixedly installed at the top of the box body. A hydraulic cylinder is fixedly installed at the bottom of the fixed frame. A connecting plate is fixedly connected to the piston shaft of the hydraulic cylinder. A plurality of connecting columns are fixedly installed at the bottom of the connecting plate. A pressure sensor is fixedly installed at the top of the connecting plate. A water tank is fixedly installed on one side of the box body. A water pump is fixedly installed at the top of the water tank. One ends of a first pipe and a second pipe are respectively fixedly communicated with the input end and the output end of the water pump. The other end of the first pipe extends into the water tank. The other end of the second pipe is fixedly communicated with a spray head. The output end of the spray head is fixedly communicated with a connecting pipe. A fixed box is fixedly installed at the top of the box body. A motor is fixedly installed on one side of the fixed box. The output shaft of the motor extends into the fixed box and is fixedly installed with a cam. A rack is slidably installed inside the fixed box. One side of the rack is in rolling contact with the cam. The other side of the rack is fixedly connected to one end of a spring. The other end of the spring is fixedly connected to the rear inner wall of the fixed box. The bottom inner wall of the fixed box rotatably installs the bottom end of a rotating shaft. A gear is fixedly installed on the outer side of the rotating shaft. The gear meshes with the rack. The top end of the rotating shaft extends above the fixed box and is fixedly installed with a clamping plate. The spray head is fixedly installed on the top of the clamping plate.

[0007] Preferably, the bottom inner wall of the box body fixedly installs the bottom ends of a plurality of support rods, and the top ends of the plurality of support rods are all fixedly installed at the bottom of the placement plate, which is convenient for fixedly installing the placement plate.

[0008] Preferably, a drain pipe is fixedly installed at the bottom of the other side of the box body, and a stop valve is arranged on the drain pipe, which is convenient for draining water.

[0009] Preferably, a mounting plate is fixedly installed on one side of the fixed box, and the motor is fixedly installed on the mounting plate, which is convenient for fixedly installing the motor.

[0010] Preferably, sliding plates are fixedly installed at the top and bottom of the rack, and two sliding rods are fixedly installed in the fixed box. The two sliding rods are slidably sleeved on the outer sides of the corresponding sliding rods, which is convenient for slidably connecting the rack.

[0011] Preferably, the bottom ends of two fixing rods are fixedly installed at the top of the clamping plate, and the bottom ends of the two fixing rods are fixedly connected to the nozzle, which is convenient for fixedly installing the nozzle.

[0012] In the present utility model, for the pressure testing machine for belt pulley production, by placing the belt pulley on the placing plate, then starting the water pump and the motor, the water in the water tank is sprayed out through the nozzle and the connecting pipe by the water pump to wash the belt pulley. At the same time, the motor can drive the cam to rotate, and through the rolling contact between the cam and the rack, and the elastic deformation of the spring, the rack can be driven to move reciprocally. Furthermore, through the meshing rotation between the rack and the gear, the rotating shaft can be driven to rotate reciprocally, and the nozzle can be driven to rotate reciprocally by the clamping plate to wash the belt pulley. After the washing is completed, the water pump and the motor can be turned off, and then the hydraulic cylinder is started to drive the connecting plate and the plurality of connecting columns to move downward, so that the plurality of connecting columns move downward to contact the belt pulley for pressure testing, and the pressure parameters are recorded by the pressure sensor. After the testing is completed, the water pump and the motor can be started again to wash the belt pulley again. After the washing is completed, the belt pulley can be taken off, which solves the problems of large labor intensity and time-consuming and laborious when manually holding a water gun to wash the belt pulley, and improves its working efficiency.

[0013] The structure of the present utility model is reasonably designed and easy to operate, which solves the problems of large labor intensity and time-consuming and laborious when manually holding a water gun to wash the belt pulley, and improves its working efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 FIG. 1 is a schematic structural diagram of a pressure testing machine for belt pulley production proposed by the present utility model;

[0015] Figure 2 FIG. 2 is a schematic structural diagram of the A-A cross-section of a part of the structure of a pressure testing machine for belt pulley production proposed by the present utility model;

[0016] Figure 3 FIG. 3 is a schematic structural diagram of part B of a pressure testing machine for belt pulley production proposed by the present utility model.

[0017] In the figure: 1, box body; 2, placing plate; 3, fixing frame; 4, hydraulic cylinder; 5, connecting plate; 6, connecting column; 7, pressure sensor; 8, water tank; 9, water pump; 10, first pipe; 11, second pipe; 12, spray head; 13, connecting pipe; 14, fixing box; 15, motor; 16, cam; 17, rack; 18, spring; 19, rotating shaft; 20, gear; 21, clamping plate. Specific implementation mode

[0018] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0019] Refer to Figures 1-3 , a pressure tester for belt pulley production, including a box body 1, a placing plate 2 is fixedly installed in the box body 1, a fixing frame 3 is fixedly installed on the top of the box body 1, a hydraulic cylinder 4 is fixedly installed at the bottom of the fixing frame 3, a connecting plate 5 is fixedly connected to the piston shaft of the hydraulic cylinder 4, a plurality of connecting columns 6 are fixedly installed at the bottom of the connecting plate 5, a pressure sensor 7 is fixedly installed on the top of the connecting plate 5, a water tank 8 is fixedly installed on one side of the box body 1, a water pump 9 is fixedly installed on the top of the water tank 8, the input end and the output end of the water pump 9 are respectively fixedly communicated with one end of a first pipe 10 and a second pipe 11, the other end of the first pipe 10 extends into the water tank 8, the other end of the second pipe 11 is fixedly communicated with a spray head 12, the output end of the spray head 12 is fixedly communicated with a connecting pipe 13, a fixing box 14 is fixedly installed on the top of the box body 1, a motor 15 is fixedly installed on one side of the fixing box 14, the output shaft of the motor 15 extends into the fixing box 14 and is fixedly installed with a cam 16, a rack 17 is slidably installed in the fixing box 14, one side of the rack 17 is in rolling contact with the cam 16, the other side of the rack 17 is fixedly connected to one end of a spring 18, the other end of the spring 18 is fixedly connected to the rear inner wall of the fixing box 14, the bottom inner wall of the fixing box 14 is rotatably installed with the bottom end of a rotating shaft 19, a gear 20 is fixedly installed on the outer side of the rotating shaft 19, the gear 20 is meshed with the rack 17, the top end of the rotating shaft 19 extends above the fixing box 14 and is fixedly installed with a clamping plate 21, and the spray head 12 is fixedly installed on the top of the clamping plate 21.

[0020] The bottom inner wall of the box body 1 is fixedly installed with the bottoms of a plurality of support rods, and the tops of the plurality of support rods are fixedly installed on the bottom of the placement plate 2, which is convenient for fixedly installing the placement plate 2. A drain pipe is fixedly installed at the bottom of the other side of the box body 1, and a stop valve is provided on the drain pipe, which is convenient for draining water. An installation plate is fixedly installed on one side of the fixed box 14, and the motor 15 is fixedly installed on the installation plate, which is convenient for fixedly installing the motor 15. Sliding plates are fixedly installed at the top and bottom of the rack 17. Two sliding rods are fixedly installed in the fixed box 14, and the two sliding rods are slidably sleeved on the outer sides of the corresponding sliding rods, which is convenient for slidably connecting the rack 17. The top of the clamping plate 21 is fixedly installed with the bottoms of two fixed rods, and the bottoms of the two fixed rods are fixedly connected to the spray head 12, which is convenient for fixedly installing the spray head 12.

[0021] In the present utility model, during use, the pulley can be placed on the placement plate 2, and then the water pump 9 and the motor 15 are started. The water in the water tank 8 is sprayed out through the spray head 12 and the connecting pipe 13 by the water pump 9 to wash the pulley. At the same time, the motor 15 can drive the cam 16 to rotate. And through the rolling contact between the cam 16 and the rack 17, and the elastic deformation of the spring 18, the rack 17 can be driven to reciprocate. Furthermore, through the meshing rotation of the rack 17 and the gear 20, the rotating shaft 19 can be driven to reciprocate, and the spray head 12 can be driven to rotate reciprocally by the clamping plate 21 to wash the pulley. After the washing is completed, the water pump 9 and the motor 15 can be turned off. Then the hydraulic cylinder 4 is started to drive the connecting plate 5 and the plurality of connecting columns 6 to move downward, so that the plurality of connecting columns 6 move downward to contact the pulley for a pressure test, and the pressure sensor 7 records the pressure parameters. After the test is completed, the water pump 9 and the motor 15 can be started again to wash the pulley again. After the washing is completed, the pulley can be removed, which solves the problem of high labor intensity and time-consuming and laborious when manually holding a water gun to wash the pulley, and improves its working efficiency.

Claims

1. A pressure testing machine for pulley production, comprising a box body (1), characterized in that, A placing plate (2) is fixedly installed inside the box body (1). A fixing frame (3) is fixedly installed at the top of the box body (1). A hydraulic cylinder (4) is fixedly installed at the bottom of the fixing frame (3). A connecting plate (5) is fixedly connected to the piston shaft of the hydraulic cylinder (4). A plurality of connecting columns (6) are fixedly installed at the bottom of the connecting plate (5). A pressure sensor (7) is fixedly installed at the top of the connecting plate (5). A water tank (8) is fixedly installed on one side of the box body (1). A water pump (9) is fixedly installed at the top of the water tank (8). One ends of a first pipe (10) and a second pipe (11) are respectively fixedly communicated with the input end and the output end of the water pump (9). The other end of the first pipe (10) extends into the water tank (8). The other end of the second pipe (11) is fixedly communicated with a spray head (12). The output end of the spray head (12) is fixedly communicated with a connecting pipe (13). A fixing box (14) is fixedly installed at the top of the box body (1). A motor (15) is fixedly installed on one side of the fixing box (14). The output shaft of the motor (15) extends into the fixing box (14) and is fixedly installed with a cam (16). A rack (17) is slidably installed inside the fixing box (14). One side of the rack (17) is in rolling contact with the cam (16). The other side of the rack (17) is fixedly connected to one end of a spring (18). The other end of the spring (18) is fixedly connected to the rear inner wall of the fixing box (14). The bottom inner wall of the fixing box (14) rotatably installs the bottom end of a rotating shaft (19). A gear (20) is fixedly installed on the outer side of the rotating shaft (19). The gear (20) is meshed with the rack (17). The top end of the rotating shaft (19) extends above the fixing box (14) and is fixedly installed with a clamping plate (21). The spray head (12) is fixedly installed on the top of the clamping plate (21).

2. The pressure testing machine for pulley production according to claim 1, wherein, The bottom ends of a plurality of support rods are fixedly installed on the bottom inner wall of the box body (1), and the top ends of the plurality of support rods are all fixedly installed on the bottom of the placing plate (2).

3. The pressure testing machine for pulley production according to claim 1, characterized in that, A drain pipe is fixedly installed at the bottom of the other side of the box body (1), and a stop valve is arranged on the drain pipe.

4. The pressure testing machine for pulley production according to claim 1, characterized in that, A mounting plate is fixedly installed on one side of the fixing box (14), and the motor (15) is fixedly installed on the mounting plate.

5. A belt pulley production pressure testing machine according to claim 1, characterized in that, Sliding plates are fixedly installed at the top and the bottom of the rack (17), and two sliding rods are fixedly installed inside the fixing box (14), and the two sliding rods are slidably sleeved on the outer sides of the corresponding sliding rods.

6. A belt pulley production pressure testing machine according to claim 1, characterized in that, The bottom ends of two fixing rods are fixedly installed on the top of the clamping plate (21), and the bottom ends of the two fixing rods are both fixedly connected to the spray head (12).

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