Movable hydraulic test device

Abstract

The utility model discloses a mobile hydraulic test device which comprises a mechanical system and a hydraulic system, the mechanical system comprises an oil tank and a mobile trolley, and the oil tank is installed on the mobile trolley; the hydraulic system comprises a three-phase asynchronous motor, a vane pump, an energy accumulator, a control valve group and an air cooling radiator, the three-phase asynchronous motor is mounted on one side of the top of the oil tank, the vane pump is mounted in the oil tank, and the three-phase asynchronous motor and the vane pump are connected up and down; the air-cooled radiator is mounted on the other side of the top of the oil tank, and a control valve group is mounted on the front side between the air-cooled radiator and the three-phase asynchronous motor and on the top of the oil tank; an energy accumulator is mounted on one side in front of the control valve group and on the front side of the oil tank; the direction-adjustable three-way connector at the bottom of the energy accumulator is connected with the control valve set and the three-way connector of the oil tank through two steel pipes a respectively, and the three-way connector of the oil tank is connected with the control valve set through another steel pipe a. According to the utility model, the production efficiency can be effectively improved, and the test function and performance requirements can be met.

Description

TECHNICAL FIELD

[0001] The utility model relates to a mobile hydraulic test device and belongs to the technical field of hydraulic technology. BACKGROUND

[0002] Various oil cylinder components of the artillery product, such as the jack, the seat disc, the large frame, the filling device, the direction machine and the like, complete the test of the collection and the release of the components of the jack, the seat disc and the large frame, the load test, provide the oil source and the power for the coordinated, swinging, bullet feeding action test of the filling device and the simulation load test of the direction machine under the control of the hydraulic system and the electrical system.

[0003] The existing hydraulic test mode of the artillery is directly installed with the hydraulic device of the artillery product to perform the test, and there is no separate hydraulic test device, so that the production efficiency is reduced, the test period is long, and the test mode directly affects the production efficiency. UTILITY MODEL CONTENTS

[0004] In order to overcome the defects of the prior art, the utility model provides a mobile hydraulic test device, which directly installs and performs the hydraulic test on the artillery part, does not need to be installed with the hydraulic device of the artillery product and to be tested, can effectively improve the production efficiency, and can meet the test function and performance requirements.

[0005] The utility model solves the technical scheme that adopts: a mobile hydraulic test device, including mechanical system and hydraulic system, the mechanical system includes oil tank and mobile trolley, and the oil tank is installed on the mobile trolley;The hydraulic system includes three-phase asynchronous motor, vane pump, energy accumulator, control valve group and air-cooled radiator, and the three-phase asynchronous motor is installed on one side of the top of the oil tank, and the vane pump is installed in the oil tank, and the three-phase asynchronous motor is connected with the vane pump upside down.

[0006] The air-cooled radiator is installed on the other side of the top of the oil tank, and the oil tank is installed with the control valve group on the top in the front side between the air-cooled radiator and the three-phase asynchronous motor.

[0007] The bottom of the energy accumulator is provided with an energy accumulator connector, and the energy accumulator connector is connected with an adjustable three-way connector;On the side of the energy accumulator, a three-way connector is arranged at the position of the lower end of the oil tank, and the adjustable three-way connector at the bottom of the energy accumulator is connected with the three-way connector of the control valve group and the oil tank through two steel pipes a, and the three-way connector of the oil tank is connected with the control valve group through another steel pipe a.

[0008] The interface of the upper end of the air-cooled radiator is connected with the oil tank through a steel pipe c, and the interface of the lower end of the air-cooled radiator is connected with the rear end of the control valve group through a steel pipe b and an adjustable three-way connector.

[0009] At the end away from the accumulator, a pre-assembled joint and a ball valve are installed at the lower end of the oil tank, and the pre-assembled joint is connected to the oil inlet of the steering motor through a pipeline composed of a rubber tube, a quick plug, a quick socket and an end straight-through joint.

[0010] The front end of the control valve group is connected to the large-frame oil cylinder, the jack oil cylinder and the seat disc oil cylinder through five pipelines, each of which is composed of a rubber tube, a quick plug, a quick socket and an end straight-through joint, two of which are connected to the large-frame oil cylinder, two of which are connected to the jack oil cylinder, and the remaining one of which is connected to the seat disc oil cylinder.

[0011] Further, a superimposed check throttle valve, a superimposed check valve and a three-position four-way electromagnetic reversing valve are arranged in each valve group line of the control valve group connected to the two large-frame oil cylinders; a superimposed check throttle valve and a three-position four-way electromagnetic reversing valve are arranged in each valve group line of the control valve group connected to the two jack oil cylinders; a throttle valve and a stop reversing valve are arranged in the valve group line of the control valve group connected to the seat disc oil cylinder.

[0012] The three-position four-way electromagnetic reversing valves in the control valve group connected to the large-frame oil cylinders are connected to the pressure relay and the electromagnetic overflow valve, the pressure relay is connected to the electromagnetic reversing valve; the three-position four-way electromagnetic reversing valves in the control valve group connected to the large-frame oil cylinders, the three-position four-way electromagnetic reversing valves in the control valve group connected to the jack oil cylinders and the stop reversing valves in the control valve group connected to the seat disc oil cylinders are connected to the electromagnetic overflow valve; the electromagnetic overflow valve is connected to the pressure relay, and the electromagnetic overflow valve is connected to the vane pump.

[0013] Further, two cleaning covers are arranged on the back of the oil tank.

[0014] Further, a liquid level and temperature gauge is arranged on the front side of the oil tank.

[0015] Further, on the side of the accumulator, an accumulator support and an accumulator fastening hoop are arranged on the oil tank, the accumulator fastening hoop and the accumulator support are arranged in an upper and lower spaced manner, the accumulator is arranged on the accumulator support and is fastened by the accumulator fastening hoop.

[0016] Further, a trolley lever is fixed to one side of the top of the mobile trolley.

[0017] The utility model discloses an advantageous effect is: the utility model installs and carries out the hydraulic test directly to the artillery part, need not again with the hydraulic device installation and experiment of artillery product, can effectively improve production efficiency, through the movable type hydraulic test device to the product carries out the jack, the seat disc, the big frame each component collection, the test of putting, the load test, the coordination of filling device, the swing, the bullet feeding action test and the load test to the direction machine simulation, etc., the jack stroke is 120mm in the process of testing, there is no speed requirement in the process of collection and release, the seat disc stroke is 270mm, there is no speed requirement in the process of collection and release, the big frame realizes automatic collection and release to the place under the no -load state, there is no speed requirement in the process of collection and release, the test number requirement is 200 times, and the movable type hydraulic test device satisfies the test function, the performance requirement, and is applicable to the action test of other various oil cylinder components, provides the oil source and power. BRIEF DESCRIPTION OF DRAWINGS

[0018] The utility model is further explained below in combination with the drawings and specific embodiment.

[0019] Figure 1 It is the structure schematic diagram of the utility model.

[0020] Figure 2 It is the front view of the oil tank of the utility model.

[0021] Figure 3 It is Figure 2 The plan view of.

[0022] Figure 4 It is the hydraulic system principle diagram of the utility model.

[0023] Mark in drawing:

[0024] 1, oil tank, 2, mobile trolley, 3, pusher pole, 4, end straight through connector, 5, rubber tube, 6, quick plug, 7, quick socket, 8, three-phase asynchronous motor, 9, vane pump, 10, control valve group, 11, energy accumulator support, 12, energy accumulator, 13, energy accumulator fastening hoop, 14, air-cooled radiator, 15, liquid level and temperature gauge, 16, superimposed check valve, 17, energy accumulator connector, 18, adjustable direction tee joint, 19, steel pipe a, 20, tee joint, 21, superimposed check valve, 22, steel pipe b, 23, steel pipe c, 24, clean cover, 25, preassembled joint, 26, ball valve, 27, big frame oil cylinder, 28, jack oil cylinder, 29, seat disc oil cylinder, 30, three-position four-way electromagnetic reversing valve, 31, throttle valve, 32, stop reversing valve, 33, pressure relay, 34, electromagnetic overflow valve, 35, electromagnetic reversing valve. SPECIFIC EMBODIMENT

[0025] As Figure 1As shown in Fig. 4, the mobile hydraulic testing device comprises a mechanical system and a hydraulic system. The mechanical system comprises an oil tank 1 and a mobile trolley 2, and the oil tank 1 is installed on the mobile trolley 2. The hydraulic system comprises a three-phase asynchronous motor 8, a vane pump 9, an accumulator 12, a control valve group 10 and an air-cooled radiator 14. The three-phase asynchronous motor 8 is installed on one side of the top of the oil tank 1, and the vane pump 9 is installed inside the oil tank 1. The three-phase asynchronous motor 8 is connected with the vane pump 9 in an up-down manner.

[0026] The air-cooled radiator 14 is installed on the other side of the top of the oil tank 1. On the front side between the air-cooled radiator 14 and the three-phase asynchronous motor 8, the top of the oil tank 1 is installed with the control valve group 10. On one side in front of the control valve group 10, the front side of the oil tank 1 is installed with the accumulator 12. On this side of the accumulator 12, the oil tank 1 is installed with an accumulator support 11 and an accumulator fastening hoop 13. The accumulator fastening hoop 13 and the accumulator support 11 are arranged in an up-down manner. The accumulator 12 is installed on the accumulator support 11 and is fastened by the accumulator fastening hoop 13.

[0027] The bottom of the accumulator 12 is installed with an accumulator connector 17, and the accumulator connector 17 is connected with an adjustable direction three-way connector 18. On this side of the accumulator 12, the oil tank 1 is installed with a three-way connector 20 at a position of a lower end. The adjustable direction three-way connector 18 at the bottom of the accumulator 12 is connected with the control valve group 10 and the three-way connector 20 of the oil tank 1 through two steel pipes a 19 respectively. The three-way connector 20 of the oil tank 1 is connected with the control valve group 10 through another steel pipe a 19.

[0028] The interface of the upper end of the air-cooled radiator 14 is connected with the oil tank 1 through a steel pipe c 23. The interface of the lower end of the air-cooled radiator 14 is connected with the rear end of the control valve group 10 through a steel pipe b 22 and the adjustable direction three-way connector 18.

[0029] On the end far away from the accumulator 12, the oil tank 1 is installed with a pre-installed type connector 25 and a ball valve 26 at a position of a lower end. The pre-installed type connector 25 is connected with the oil inlet of the steering motor through a pipeline composed of a rubber pipe 5, a quick plug 6, a quick socket 7 and an end straight-through connector 4.

[0030] The front end of the control valve group 10 is connected with a large-frame oil cylinder 27, a jack oil cylinder 28 and a seat disc oil cylinder 29 through five pipelines respectively. Each pipeline is composed of a rubber pipe 5, a quick plug 6, a quick socket 7 and an end straight-through connector 4. Two pipelines are connected with the large-frame oil cylinder 27, two pipelines are connected with the jack oil cylinder 28, and the remaining one pipeline is connected with the seat disc oil cylinder 29.

[0031] The control valve group 10 is provided with a superimposed check throttle valve 16, a superimposed check valve 21 and a three-position four-way electromagnetic reversing valve 30 in each valve group line connected with the two large frame oil cylinders 27; the control valve group 10 is provided with a superimposed check throttle valve 16 and a three-position four-way electromagnetic reversing valve 30 in each valve group line connected with the two jacks oil cylinders 28; the control valve group 10 is provided with a throttle valve 31 and a stop reversing valve 32 in the valve group line connected with the seat disc oil cylinder 29.

[0032] The three-position four-way electromagnetic reversing valve 30 in the control valve group 10 connected with the large frame oil cylinder 27 is connected with a pressure relay 33 and an electromagnetic overflow valve 34, the pressure relay 33 is connected with an electromagnetic reversing valve 35; the three-position four-way electromagnetic reversing valve 30 in the control valve group 10 connected with the large frame oil cylinder 27, the three-position four-way electromagnetic reversing valve 30 in the control valve group 10 connected with the jack oil cylinder 28 and the stop reversing valve 32 in the control valve group 10 connected with the seat disc oil cylinder 29 are all connected with the electromagnetic overflow valve 34; the electromagnetic overflow valve 34 is connected with the pressure relay 33, and the electromagnetic overflow valve 34 is connected with the vane pump 9.

[0033] The back of the oil tank 1 is provided with two cleaning covers 24, the front side of the oil tank 1 is provided with a liquid level and temperature gauge 15, and the top side of the mobile trolley 2 is fixed with a trolley rod 3.

[0034] The hydraulic test device is a mobile structure, adopts modular design, and self-made a mobile trolley, wherein the three-phase asynchronous motor 8 is installed horizontally and connected to the mobile trolley 2 through damping strips; the oil tank 1 is connected to the mobile trolley 2 through a support; the three-position four-way electromagnetic reversing valve 30 of the large frame oil cylinder 27, the three-position four-way electromagnetic reversing valve 30 of the jack oil cylinder 28 and the stop reversing valve 32 of the seat disc oil cylinder 29 are integrated on a valve block and connected to the support through the valve block, wherein the actuator and the electromagnetic reversing valve are connected through a hose.

[0035] The vane pump 9 provides power for the hydraulic system and controls the system pressure through the electromagnetic overflow valve 34, and when the actuator is pressure-keeping, the system is unloaded, so that the three-phase asynchronous motor 8 idles to reduce the heating of the oil tank 1.

[0036] In the circuit composed of the seat disc oil cylinder 29, the three-phase asynchronous motor 8 and the vane pump 9 provide pressure oil for the control valve, the three-position four-way electromagnetic reversing valve 30 (YV2), the electromagnetic reversing valve 35 (YV12) and the electromagnetic overflow valve 34 (YV11) are powered on, the seat disc oil cylinder 29 is retracted, when the stroke reaches the specified value, the travel switch sends a signal to the three-position four-way electromagnetic reversing valve 30 (YV2), the electromagnetic reversing valve 35 (YV12) and the electromagnetic overflow valve 34 (YV11) to be powered off, the pressure of the seat disc is maintained, after pressure maintaining, the three-position four-way electromagnetic reversing valve 30 (YV2), the electromagnetic reversing valve 35 (YV12) and the electromagnetic overflow valve 34 (YV11) are powered on, the seat disc oil cylinder 29 is extended to the travel switch, and the three-position four-way electromagnetic reversing valve 30 (YV2), the electromagnetic reversing valve 35 (YV12) and the electromagnetic overflow valve 34 (YV11) are powered off.

[0037] In the circuit composed of the jack oil cylinder 28, the three-phase asynchronous motor 8 and the vane pump 9 provide pressure oil for the control valve, when the stroke reaches the specified value, the travel switch sends a signal to the three-position four-way electromagnetic reversing valve 30 (YV4), the three-position four-way electromagnetic reversing valve 30 (YV6), the electromagnetic reversing valve 35 (YV12) and the electromagnetic overflow valve 34 (YV11) to be powered on, the jack oil cylinder 28 is extended, the electromagnetic overflow valve 34 (YV11) is powered off after receiving the signal of the pressure relay 33, the pressure of the jack oil cylinder 28 is maintained; after pressure maintaining, the three-position four-way electromagnetic reversing valve 30 (YV4), the three-position four-way electromagnetic reversing valve 30 (YV6) and the electromagnetic reversing valve 35 (YV12) are powered off, after 10 seconds, the three-position four-way electromagnetic reversing valve 30 (YV3), the three-position four-way electromagnetic reversing valve 30 (YV5), the electromagnetic reversing valve 35 (YV12) and the electromagnetic overflow valve 34 (YV13) are powered on, the jack oil cylinder 28 is retracted to the travel switch, the three-position four-way electromagnetic reversing valve 30 (YV3), the three-position four-way electromagnetic reversing valve 30 (YV5), the electromagnetic reversing valve 35 (YV12) and the electromagnetic overflow valve 34 (YV13) are powered off.

[0038] In the circuit of the large frame oil cylinder 27, the three-phase asynchronous motor 8 and the vane pump 9 provide pressure oil for the control valve. When the stroke reaches the specified value, the stroke switch sends a signal to the three-position four-way electromagnetic reversing valve 30 (YV8), the three-position four-way electromagnetic reversing valve 30 (YV10), the electromagnetic reversing valve 35 (YV12), and the electromagnetic overflow valve 34 (YV11) to be powered on, so that the large frame oil cylinder 27 extends. When the stroke reaches the specified value, the stroke switch sends a signal to the three-position four-way electromagnetic reversing valve 30 (YV8), the three-position four-way electromagnetic reversing valve 30 (YV10), the electromagnetic reversing valve 35 (YV12), and the electromagnetic overflow valve 34 (YV11) to be powered off. After 5 seconds of power-off, the three-position four-way electromagnetic reversing valve 30 (YV7), the three-position four-way electromagnetic reversing valve 30 (YV9), the electromagnetic reversing valve 35 (YV12), and the electromagnetic overflow valve 34 (YV11) are powered on to realize the retraction of the large frame oil cylinder 27. After the stroke switch, the three-position four-way electromagnetic reversing valve 30 (YV7), the three-position four-way electromagnetic reversing valve 30 (YV9), the electromagnetic reversing valve 35 (YV12), and the electromagnetic overflow valve 34 (YV11) are powered off.

Claims

1. A mobile hydrostatic testing apparatus, characterized by: The mechanical system comprises an oil tank (1) and a moving trolley (2), and the oil tank (1) is installed on the moving trolley (2); the hydraulic system comprises a three-phase asynchronous motor (8), a vane pump (9), an accumulator (12), a control valve group (10) and an air-cooled radiator (14), the three-phase asynchronous motor (8) is installed on one side of the top of the oil tank (1), the vane pump (9) is installed inside the oil tank (1), and the three-phase asynchronous motor (8) is connected with the vane pump (9) in an up-down mode; The air-cooled radiator (14) is installed on the other side of the top of the oil tank (1), a control valve group (10) is installed on the top of the oil tank (1) on the front side between the air-cooled radiator (14) and the three-phase asynchronous motor (8); an accumulator (12) is installed on the front side of the oil tank (1) at a position on one side in front of the control valve group (10); The bottom of the accumulator (12) is provided with an accumulator connector (17), the accumulator connector (17) is connected with an adjustable direction three-way connector (18); on the side of the accumulator (12), a three-way connector (20) is installed at a position on the lower end of the oil tank (1), the adjustable direction three-way connector (18) on the bottom of the accumulator (12) is connected with the control valve group (10) and the three-way connector (20) of the oil tank (1) through two steel pipes a (19), and the three-way connector (20) of the oil tank (1) is connected with the control valve group (10) through another steel pipe a (19); The interface on the upper end of the air-cooled radiator (14) is connected with the oil tank (1) through a steel pipe c (23), and the interface on the lower end of the air-cooled radiator (14) is connected with the rear end of the control valve group (10) through a steel pipe b (22) and the adjustable direction three-way connector (18); A pre-assembled connector (25) and a ball valve (26) are installed at a position on the lower end of the oil tank (1) on the side far away from the accumulator (12), the pre-assembled connector (25) is connected with the oil inlet of a steering motor through a pipeline composed of a rubber pipe (5), a quick plug (6), a quick socket (7) and an end straight-through connector (4); The front end of the control valve group (10) is connected with a large-frame oil cylinder (27), a jack oil cylinder (28) and a seat disc oil cylinder (29) through five pipelines respectively, each pipeline is composed of a rubber pipe (5), a quick plug (6), a quick socket (7) and an end straight-through connector (4), two pipelines are connected with the large-frame oil cylinder (27), two other pipelines are connected with the jack oil cylinder (28), and the remaining one pipeline is connected with the seat disc oil cylinder (29).

2. The mobile hydrostatic testing apparatus of claim 1, wherein: A superimposed one-way throttling valve (16), a superimposed one-way valve (21) and a three-position four-way electromagnetic reversing valve (30) are arranged in each valve group path of the connection part of the control valve group (10) and the two large-frame oil cylinders (27); a superimposed one-way throttling valve (16) and a three-position four-way electromagnetic reversing valve (30) are arranged in each valve group path of the connection part of the control valve group (10) and the two jack oil cylinders (28); a throttling valve (31) and a stop reversing valve (32) are arranged in the valve group path of the connection part of the control valve group (10) and the seat disc oil cylinder (29); The three-position four-way electromagnetic reversing valve (30) in the control valve group (10) connected with the large-frame oil cylinder (27) is connected with the pressure relay (33) and the electromagnetic overflow valve (34), and the pressure relay (33) is connected with the electromagnetic reversing valve (35); the three-position four-way electromagnetic reversing valve (30) in the control valve group (10) connected with the large-frame oil cylinder (27), the three-position four-way electromagnetic reversing valve (30) in the control valve group (10) connected with the jack oil cylinder (28), and the stop reversing valve (32) in the control valve group (10) connected with the seat disc oil cylinder (29) are all connected with the electromagnetic overflow valve (34); the electromagnetic overflow valve (34) is connected with the pressure relay (33), and the electromagnetic overflow valve (34) is connected with the vane pump (9).

3. The mobile hydrostatic testing apparatus of claim 1, wherein: Two cleaning covers (24) are arranged on the back of the oil tank (1).

4. The mobile hydrostatic testing apparatus of claim 1, wherein: A liquid level and temperature gauge (15) is arranged on the front side of the oil tank (1).

5. The mobile hydrostatic testing apparatus of claim 1, wherein: On the side of the accumulator (12), an accumulator support (11) and an accumulator fastening hoop (13) are arranged on the oil tank (1), the accumulator fastening hoop (13) and the accumulator support (11) are arranged in an upper and lower interval, the accumulator (12) is arranged on the accumulator support (11) and is fastened by the accumulator fastening hoop (13).

6. The mobile hydrostatic testing apparatus of claim 1, wherein: A trolley lever (3) is fixed on one side of the top of the moving trolley (2).

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