Air pump test bed convenient to clamp

Abstract

The utility model discloses an air pump test bench convenient for clamping, belonging to the air pump test field, the air pump test bench convenient for clamping comprises a test bench main body, and a cold air system and a lubrication system arranged in the test bench main body, the top of the test bench main body is fixedly connected with a transmission fixing mechanism, and a rotating handle is manually rotated to drive the transmission fixing mechanism to rotate. The reciprocating lead screw is in threaded connection with an externally-arranged fixing block, so that the fixing block is stressed to slide outside the limiting rod, the tested air pump body is fixed to the top of the connecting installation block through the fixing block, and the driving assembly drives the sliding block to slide outside the linear guide rail. The output end of the test air pump main body is fixed with the test bench main body through a flange and a bolt, and then the test is performed through a servo motor arranged in the test air pump main body, so that the stability of the air pump can be kept in the test process, the phenomenon of data error caused by shaking is avoided, the test stability is ensured, and the use is convenient.

Description

Technical Field

[0001] The utility model relates to the field of air pump testing, in particular to an air pump test bench which is convenient for clamping. Background Art

[0002] Air pump is a device that removes air from a closed space or adds air to a closed space. Air pumps are mainly divided into electric air pumps and manual air pumps, foot-operated air pumps, electric air pumps, and electric air pumps. Electric air pumps are powered by electricity. They continuously compress air to generate air pressure. They are mainly used for pumping, sewage treatment, electroplating, aeration of biogas tanks, tunnel ventilation, etc. Air pump test bench is a device used to test and repair air pumps.

[0003] The Chinese patent application number 201910421473.1 discloses an air-tight test bench for an electric air pump of an air bed, including a machine, which is composed of pipelines, a frame, electrical software and a fixture, the fixture is installed on the top of the machine, and the pipeline and electrical software are arranged inside the machine. The present invention sets a detection chamber, a gas control valve three, a gas control valve two, a gas control valve one, a pressure differential transmitter, a marking chamber, a stop valve, a pressure gauge, a pressure regulating valve, a safety valve, a solenoid valve, an air source filter pressure regulating valve one and an air source filter pressure regulating valve two, and uses the existence of the air source filter pressure regulating valve one, the air source filter pressure regulating valve two, the pressure differential transmitter and the pressure regulating valve to timely detect the pressure change, adjust the pressure through the pressure regulating valve, and use the pressure differential transmitter to use the same source pressure comparison to achieve convenient and reliable operation. The above scheme has the following defects: during the test process of the existing pump body, the pump body will generate a force due to the operation of the pump body, which may cause the pump body to shake, resulting in errors in the test results, and inconvenient to use.

[0004] Therefore, an air pump test bench which is convenient for clamping is provided to solve the above problems. Utility Model Content

[0005] The utility model provides an air pump test bench which is convenient for clamping, aiming to solve the problem in the background technology that during the test of the existing pump body, the pump body may shake due to the force generated by the operation of the pump body, which may cause errors in the test results.

[0006] To achieve the above purpose, the utility model provides the following technical solutions: an air pump test bench that is convenient for clamping, comprising a test bench body and a cooling system and a lubrication system arranged inside, wherein the top of the test bench body is fixedly connected with a transmission fixing mechanism;

[0007] Preferably, during the test of the existing pump body, the pump body may shake due to the force generated by the operation of the pump body, which may cause the test result to have an error problem. The transmission fixing mechanism includes linear guide rails fixedly connected to both sides of the top surface of the test bench main body, the outsides of the two groups of linear guide rails are slidably connected with two groups of sliding blocks, four groups of sliding blocks are grouped in twos, and a connecting mounting block is fixedly connected between the four groups of sliding blocks, a test air pump main body is arranged on the top of the connecting mounting block, the output end of the test air pump main body is threadedly fixed to the test bench main body through a flange, a servo motor is arranged inside the test air pump main body, the driving assembly is controlled by a control switch to drive the sliding block to slide on the outside of the linear guide, the sliding block drives the connecting mounting block to push the test air pump main body to move, the output end of the test air pump main body is bolted to the test bench main body through a flange, and then tested by the servo motor arranged inside the test air pump main body.

[0008] Preferably, in order to solve the problem of convenient operation, a rotating supporting block is provided on the top of the multiple groups of sliding blocks, the rotating supporting block is internally rotatably connected to a reciprocating screw, the top of the reciprocating screw is fixedly connected to a turning handle, the external thread of the reciprocating screw is connected to a fixed block, the reciprocating screw is driven to rotate inside the rotating supporting block by the turning handle, and the test air pump body is fixed by the fixed block connected to the external thread of the reciprocating screw to ensure the stability of the test.

[0009] Preferably, in order to ensure the stability of the movement of the fixed block, both sides of the top of the sliding block are fixedly connected to the limit rod, the fixed block is arranged outside the limit rod, the fixed block is slidably connected to the limit rod, and the fixed block slides outside the limit rod under force, thereby fixing the test air pump body through the fixed block.

[0010] Preferably, the cooling system includes a speed converter electrically connected to the servo motor, the speed converter is electrically connected to the test air pump body, and the test air pump body is electrically connected to a temperature sensor.

[0011] Preferably, in order to solve the temperature control problem, the cooling system also includes a sedimentation tank arranged inside the test bench body, one side of the sedimentation tank is provided with an air filter through a pipeline, one side of the air filter is connected to an outlet pressure gauge through a pipeline, one side of the outlet pressure gauge is connected to a conversion switch through a pipeline, one side of the conversion switch is connected to a one-way valve through a pipeline, one side of the one-way valve is connected to a safety valve through a pipeline, the conversion switch is connected to control switch 1 through a pipeline, the control switch 1 is connected to a flow meter through a pipeline, control switch 2 is connected between the conversion switch and control switch 1 through a pipeline, one side of the one-way valve is connected to a gas cylinder pressure gauge through a pipeline, one side of the gas cylinder pressure gauge is connected to a deflation switch through a pipeline, and the gas cylinder pressure gauge is connected to the gas cylinder body through a pipeline. Through the provided cooling system, the temperature during the test can be conveniently and accurately controlled.

[0012] Preferably, in order to solve the problem of friction generated during the test, the lubrication system includes an oil tank arranged inside the test bench body, the oil tank is connected to an oil suction filter through a pipeline, the oil tank is connected to an air filter through a pipeline, the oil tank is connected to a liquid level gauge through a pipeline, the oil suction filter is connected to an oil pump through a pipeline, the oil pump is connected to a one-way valve through a pipeline, the one-way valve is connected to an oil inlet filter through a pipeline, an overflow valve is connected to a position between the oil pump and the one-way valve through a pipeline, the oil inlet filter is connected to a lubricating oil pressure gauge through a pipeline, the oil tank is connected to a return oil filter through a pipeline, the return oil filter is connected to the overflow valve, and the oil tank is connected to an oil drain valve through a pipeline. The lubrication mechanism that is set can reduce the friction generated during the test and achieve a lubrication effect.

[0013] Beneficial effects:

[0014] The transmission fixing mechanism manually rotates the handle so that the handle drives the reciprocating screw to slide inside the rotating bearing block. The reciprocating screw is threadedly connected to the fixed block arranged outside, so that the fixed block is forced to slide outside the limit rod. The test air pump body is fixed to the top of the connecting mounting block by the fixed block. The driving assembly is controlled by the control switch to drive the sliding block to slide outside the linear guide. The sliding block drives the connecting mounting block to push the test air pump body to move. The output end of the test air pump body is fixed to the test bench body by a flange bolt. The servo motor arranged inside the test air pump body is then used for testing. The stability of the air pump can be maintained during the test, thereby avoiding the phenomenon of data errors caused by shaking, ensuring the stability of the test, and being easy to use.

[0015] The transmission fixing mechanism and the cold air pipe interface adopt a 74° expanded cone type pipe joint. The expanded cone type pipe joint adopts a Φ6mm aluminum alloy metal conduit, which has good sealing and is easy to install and disassemble. The set cold air system can conveniently and accurately control the temperature during the test. The set lubrication mechanism can reduce the friction generated during the test and achieve a lubrication effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of an air pump test bench that is convenient for clamping;

[0017] Figure 2 It is a three-dimensional structural schematic diagram of an air pump test bench that is convenient for clamping;

[0018] Figure 3 It is a three-dimensional schematic diagram of a conveniently clamped air pump test bench;

[0019] Figure 4 It is a three-dimensional structural diagram of a transmission fixing mechanism of an air pump test bench that is convenient for clamping;

[0020] Figure 5 It is a schematic diagram of the cooling system flow structure of an air pump test bench that is easy to clamp;

[0021] Figure 6 The diagram is a schematic diagram of the lubrication system flow structure of an air pump test bench that is easy to clamp.

[0022] In the figure:

[0023] Test bench body; 2. Transmission fixing mechanism; 21. Linear guide; 22. Sliding block; 23. Connecting and mounting block; 24. Test air pump body; 25. Rotating bearing block; 26. Reciprocating screw; 27. Turning handle; 28. Fixing block; 29. ​​Limiting rod; 30. Servo motor; 31. Speed ​​converter; 32. Sedimentation tank; 33. Air filter; 34. Outlet pressure gauge; 35. Switch; 36. One-way valve; 3 7. Safety valve; 38. Control switch 1; 39. Flow meter; 40. Cylinder pressure gauge; 41. Deflation switch; 42. Cylinder body; 43. Control switch 2; 44. Temperature sensor; 45. Fuel tank; 46. Oil suction filter; 47. Air filter; 48. Liquid level gauge; 49. Oil pump; 50. Check valve; 51. Oil inlet filter; 52. Overflow valve; 53. Lubricating oil pressure gauge; 54. Return oil filter; 55. Oil drain valve. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Example 1

[0026] This embodiment provides an air pump test bench that is easy to clamp. Figure 1-6 As shown, the air pump test bench convenient for clamping comprises a test bench body 1 and a cooling system and a lubrication system arranged inside, and a transmission fixing mechanism 2 is fixedly connected to the top of the test bench body 1;

[0027] When in use, the transmission fixing mechanism 2 is provided to keep the air pump stable during the test, thereby avoiding the occurrence of data errors caused by shaking, ensuring the stability of the test and facilitating use.

[0028] When in use, the transmission fixing mechanism 2 includes linear guide rails 21 fixedly connected to both sides of the top surface of the test bench main body 1, and the outsides of the two groups of linear guide rails 21 are slidably connected with two groups of sliding blocks 22, and the four groups of sliding blocks 22 are grouped in pairs, and the four groups of sliding blocks 22 are fixedly connected with connecting and mounting blocks 23, and the top of the connecting and mounting blocks 23 is provided with a test air pump main body 24, and the output end of the test air pump main body 24 is threadedly fixed to the test bench main body 1 through a flange, and the inside of the test air pump main body 24 is provided with a servo motor 30;

[0029] When in use, the driving assembly is controlled by the control switch to drive the sliding block 22 to slide outside the linear guide rail 21, and the sliding block 22 drives the connecting mounting block 23 to push the test air pump body 24 to move. The output end of the test air pump body 24 is bolted to the test bench body 1 through a flange, and then the test is performed through the servo motor 30 arranged inside the test air pump body 24;

[0030] Furthermore, a rotating bearing block 25 is disposed on the top of the plurality of sliding blocks 22, a reciprocating screw 26 is rotatably connected inside the rotating bearing block 25, a turning handle 27 is fixedly connected to the top of the reciprocating screw 26, and a fixed block 28 is threadedly connected to the outside of the reciprocating screw 26;

[0031] When in use, the reciprocating screw 26 is driven to rotate inside the rotating bearing block 25 by the turning handle 27, and the test air pump body 24 is fixed by the fixing block 28 connected to the external thread of the reciprocating screw 26 to ensure the stability of the test.

[0032] Furthermore, both sides of the top of the sliding block 22 are fixedly connected to the limit rod 29, and the fixed block 28 is arranged outside the limit rod 29, and the fixed block 28 is slidably connected to the limit rod 29;

[0033] When in use, the fixing block 28 is forced to slide outside the limiting rod 29 , so that the test air pump body 24 is fixed by the fixing block 28 .

[0034] Example 2

[0035] Different from Example 1, Figure 5-6 As shown, the cooling system includes a speed converter 31 electrically connected to the servo motor 30, the speed converter 31 is electrically connected to the test air pump body 24, the test air pump body 24 is electrically connected to a temperature sensor 44, the cooling system also includes a sedimentation tank 32 arranged inside the test bench body 1, one side of the sedimentation tank 32 is provided with an air filter 33 through a pipeline, one side of the air filter 33 is connected to an outlet pressure gauge 34 through a pipeline, one side of the outlet pressure gauge 34 is connected to a conversion switch 35 through a pipeline, one side of the conversion switch 35 is connected to a one-way valve 36 through a pipeline, one side of the one-way valve 36 is connected to a safety valve 37 through a pipeline, the conversion switch 35 is connected to a control switch 1 38 through a pipeline, the control switch 1 38 is connected to a flow meter 39 through a pipeline, a control switch 2 43 is connected between the conversion switch 35 and the control switch 1 38 through a pipeline, the one-way valve 36 is connected to a safety valve 37 through a pipeline, A gas cylinder pressure gauge 40 is connected to one side of the test bench body 1 through a pipeline, a deflation switch 41 is connected to one side of the gas cylinder pressure gauge 40 through a pipeline, a gas cylinder body 42 is connected to the gas cylinder pressure gauge 40 through a pipeline, a lubrication system includes an oil tank 45 arranged inside the test bench body 1, an oil suction filter 46 is connected to the oil tank 45 through a pipeline, an air filter 47 is connected to the oil tank 45 through a pipeline, a liquid level gauge 48 is connected to the oil tank 45 through a pipeline, an oil suction filter 46 is connected to an oil pump 49 through a pipeline, a non-return valve 50 is connected to the oil pump 49 through a pipeline, the non-return valve 50 is connected to an oil inlet filter 51 through a pipeline, an overflow valve 52 is connected to the position between the oil pump 49 and the non-return valve 50 through a pipeline, the oil inlet filter 51 is connected to a lubricating oil pressure gauge 53 through a pipeline, an oil return filter 54 is connected to the oil tank 45 through a pipeline, the oil return filter 54 is connected to the overflow valve 52, and the oil tank 45 is connected to an oil discharge valve 55 through a pipeline;

[0036] When in use, the cold air pipe interface adopts a 74° expanded cone pipe joint. The expanded cone pipe joint adopts a Φ6mm aluminum alloy metal conduit, which has good sealing and is easy to install and disassemble. The set cold air system can conveniently and accurately control the temperature during the test. The set lubrication mechanism can reduce the friction generated during the test and achieve a lubrication effect.

[0037] It should be noted that the test bench body 1 and the cooling system, lubrication system, test air pump body 24 and servo motor 30 arranged inside are all existing equipment. Their working principles, sizes and models are irrelevant to the functions of the present application, so they are not described in detail. The control method of the present invention is controlled by a controller. The control circuit of the controller can be realized by simple programming by technicians in this field. The provision of power is also common knowledge in this field. The present invention is mainly used to protect mechanical devices, so the present invention no longer explains the control method and circuit connection in detail.

[0038] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, who makes equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, should be covered by the protection scope of the utility model.

Claims

1. An air pump test bench that is easy to clamp, comprising a test bench body (1) and a cooling system and a lubrication system arranged inside, characterized in that: The top of the test bench body (1) is fixedly connected with a transmission fixing mechanism (2); The transmission fixing mechanism (2) comprises linear guide rails (21) fixedly connected to both sides of the top surface of the test bench body (1); two groups of sliding blocks (22) are slidably connected to the outside of the two groups of linear guide rails (21); four groups of sliding blocks (22) are arranged in pairs, and a connecting mounting block (23) is fixedly connected between the four groups of sliding blocks (22); a test air pump body (24) is arranged on the top of the connecting mounting block (23); an output end of the test air pump body (24) is threadedly fixed to the test bench body (1) via a flange; and a servo motor (30) is arranged inside the test air pump body (24).

2. The air pump test bench convenient for clamping according to claim 1 is characterized in that: A rotating bearing block (25) is arranged on the top of the plurality of groups of sliding blocks (22), the rotating bearing block (25) is internally rotatably connected to a reciprocating screw (26), the top end of the reciprocating screw (26) is fixedly connected to a turning handle (27), and the outside of the reciprocating screw (26) is threadedly connected to a fixed block (28).

3. The air pump test bench convenient for clamping according to claim 2 is characterized in that: Both sides of the top of the sliding block (22) are fixedly connected to the limiting rod (29), the fixed block (28) is arranged outside the limiting rod (29), and the fixed block (28) is slidably connected to the limiting rod (29).

4. The air pump test bench convenient for clamping according to claim 1 is characterized in that: The cooling system comprises a speed converter (31) electrically connected to the servo motor (30), the speed converter (31) electrically connected to a test air pump body (24), and the test air pump body (24) is electrically connected to a temperature sensor (44).

5. The air pump test bench convenient for clamping according to claim 1 is characterized in that: The cooling system further comprises a sedimentation tank (32) arranged inside the test bench body (1); an air filter (33) is provided on one side of the sedimentation tank (32) via a pipeline; an air outlet pressure gauge (34) is connected to one side of the air filter (33) via a pipeline; a conversion switch (35) is connected to one side of the air outlet pressure gauge (34) via a pipeline; a check valve (36) is connected to one side of the check valve (36) via a pipeline; a safety valve (37) is connected to one side of the conversion switch (35); The switch (35) is connected to a control switch 1 (38) through a pipeline, the control switch 1 (38) is connected to a flow meter (39) through a pipeline, a control switch 2 (43) is connected between the conversion switch (35) and the control switch 1 (38) through a pipeline, one side of the one-way valve (36) is connected to a gas cylinder pressure gauge (40) through a pipeline, one side of the gas cylinder pressure gauge (40) is connected to a deflation switch (41) through a pipeline, and the gas cylinder pressure gauge (40) is connected to a gas cylinder body (42) through a pipeline.

6. The conveniently clamped air pump test bench according to claim 1 is characterized in that: The lubrication system comprises an oil tank (45) arranged inside the test bench body (1); the oil tank (45) is connected to an oil suction filter (46) via a pipeline; the oil tank (45) is connected to an air filter (47) via a pipeline; the oil tank (45) is connected to a liquid level gauge (48) via a pipeline; the oil suction filter (46) is connected to an oil pump (49) via a pipeline; the oil pump (49) is connected to a check valve (50) via a pipeline; the check valve (50) is connected to an oil inlet filter (51) via a pipeline; a relief valve (52) is connected between the oil pump (49) and the check valve (50) via a pipeline; the oil inlet filter (51) is connected to a lubricating oil pressure gauge (53) via a pipeline; the oil tank (45) is connected to an oil return filter (54) via a pipeline; the oil return filter (54) is connected to the relief valve (52); and the oil tank (45) is connected to an oil drain valve (55) via a pipeline.

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