CN211148030U

CN211148030U - Safety valve durability test bed

Info

Publication number: CN211148030U
Application number: CN201922428610.2U
Authority: CN
Inventors: 赵毅龙
Original assignee: Wuyang Tongtong Mine Railway Material Trade Co ltd
Current assignee: Wuyang Tongtong Mine Railway Material Trade Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-07-31
Anticipated expiration: 2029-12-30

Abstract

The utility model belongs to the technical field of the test bench, especially, be a relief valve durability test bench, including the delivery box, one side of oil storage tank is provided with the water tank, the lower terminal surface of water tank is provided with the water pipe, the lower terminal surface of water pipe is provided with the washing shower nozzle, the one end that goes out oil pipe is provided with the frock, the surface that goes out oil pipe is provided with presss from both sides the pipe support, the lower terminal surface of frock is provided with the fixing base, one side of frock is provided with the guard shield, one side of guard shield is provided with the knob. The utility model discloses a set up water tank, water pipe and washing shower nozzle, water tank, water pipe and washing shower nozzle can clear up the test bench frock, prevent that the spot in the frock from producing the influence to follow-up test, make follow-up test more accurate, through setting up guard shield and knob, the guard shield covers the frock, and the guard shield can be opened and closed to the knob, prevents that the work piece from collapsing and causing the injury to the user, is favorable to protecting the user.

Description

Safety valve durability test bed

Technical Field

The utility model relates to a test bench technical field specifically is a relief valve durability test bench.

Background

The safety valve is used as a valve for safety protection, is used as a key part of a hydraulic multi-way valve for engineering machinery, can automatically switch on and off a pressure relief function according to the change of working pressure in a pressure system of a pressurized device, and has very important reliability; the safety valve belongs to a loss part, and can cause that the performance is unstable or inefficacy after long-term use, for example the safety valve can not realize the pressure release function when reaching preset pressure, and then brings the superpressure risk for pressurized equipment, consequently generally need carry out the durability test before putting into batch production, because some important occasions need reach fifty ten thousand or more, it is obviously unsuitable to rely on artifical completion test, so need the test bench of manufacturing automatic test of design.

There are the following problems:

1. when the traditional test bed is used for carrying out batch test on workpieces, the tool is easily stained with stains, so that the test precision of other workpieces is influenced.

2. When the traditional test bed is used for testing a safety valve with poor performance, the safety valve can be broken by overlarge oil pressure, a corresponding protection device is not arranged on the periphery of the tool, and broken fragments are easy to injure a user.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a relief valve durability test bench has solved test bench frock and has been infected with the spot easily, influences the test precision of work piece and does not have protection device with the frock periphery, causes the problem of injury easily to the user.

In order to achieve the above object, the utility model provides a following technical scheme: a safety valve durability test bed comprises a conveying box, wherein an oil inlet is formed in the upper end face of the conveying box, an oil outlet is formed in the lower end face of the conveying box, an oil inlet pipe is arranged on the upper end face of the oil inlet, an oil pump is arranged on the outer surface of the oil inlet pipe, an oil storage tank is arranged at one end of the oil inlet pipe, a motor is arranged on one side of the oil pump, a water tank is arranged on one side of the oil storage tank, a pressure gauge is arranged on the front end face of the oil storage tank, oil outlet pipes are arranged on the lower end face of the oil storage tank and the lower end face of the oil outlet, a water pipe is arranged on the lower end face of the water tank, a cleaning sprayer is arranged on the lower end face of the water pipe, a tool is arranged at one end of the oil outlet pipe, a pipe clamping frame is arranged on, the shroud with guard shield swing joint, one side of shroud is provided with the knob.

As a preferred technical scheme of the utility model, oil inlet fixed connection is in the up end of delivery box, oil-out fixed connection is in the lower terminal surface of delivery box.

As a preferred technical scheme of the utility model, advance oil pipe fixed connection in the up end of oil inlet, oil pump fixed connection advances the surface of oil pipe in oil.

As the utility model discloses a preferred technical scheme, oil storage tank fixed connection is in the one end of advancing the oil pipe, motor swing joint is in one side of oil pump.

As a preferred technical scheme of the utility model, water tank fixed connection is in one side of oil storage tank, manometer fixed connection is in the preceding terminal surface of oil storage tank.

As a preferred technical scheme of the utility model, go out oil pipe fixed connection respectively in the lower terminal surface of oil-out of oil storage tank, water pipe fixed connection is in the lower terminal surface of water tank.

As a preferred technical scheme of the utility model, wash shower nozzle fixed connection in the lower terminal surface of water pipe, frock fixed connection is in the one end of oil pipe.

As an optimal technical scheme of the utility model, press from both sides pipe holder fixed connection in the surface of oil pipe, fixing base fixed connection is in the lower terminal surface of frock.

As a preferred technical scheme of the utility model, guard shield fixed connection is in one side of frock, knob swing joint is in one side of guard shield.

Compared with the prior art, the utility model provides a relief valve durability test bench possesses following beneficial effect:

1. this relief valve durability test bench through setting up water tank, water pipe and washing shower nozzle, water tank, water pipe and washing shower nozzle can clear up the test bench frock, prevent that the spot in the frock from producing the influence to follow-up test, make follow-up test more accurate.

2. This relief valve durability test bench, through setting up guard shield and knob, the guard shield covers the frock, and the guard shield can be opened and closed to the knob, prevents that the work piece from collapsing to cause the injury to the user, is favorable to protecting the user.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a side view of the present invention;

fig. 3 is a schematic structural view of the conveying box of the present invention.

In the figure: 1. an oil storage tank; 2. a motor; 3. an oil pump; 4. a delivery box; 5. an oil inlet; 6. an oil inlet pipe; 7. an oil outlet; 8. an oil outlet pipe; 9. clamping a pipe frame; 10. a fixed seat; 11. assembling; 12. a shield; 13. a knob; 14. cleaning the spray head; 15. a water pipe; 16. a water tank; 17. a pressure gauge; 18. and (4) a cover.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides the following technical solutions: a safety valve durability test bed comprises a conveying box 4, an oil inlet 5 is arranged on the upper end face of the conveying box 4, an oil outlet 7 is arranged on the lower end face of the conveying box 4, an oil inlet pipe 6 is arranged on the upper end face of the oil inlet 5, an oil pump 3 is arranged on the outer surface of the oil inlet pipe 6, an oil storage tank 1 is arranged at one end of the oil inlet pipe 6, a motor 2 is arranged on one side of the oil pump 3, a water tank 16 is arranged on one side of the oil storage tank 1, a pressure gauge 17 is arranged on the front end face of the oil storage tank 1, an oil outlet pipe 8 is arranged on the lower end face of the oil storage tank 1 and the lower end face of the oil outlet 7, a water pipe 15 is arranged on the lower end face of the water tank 16, a cleaning nozzle 14 is arranged on the lower end face of the water outlet pipe 15, a tool 11 is arranged at one end of the oil outlet pipe 8, the cover 18 is movably connected with the shield 12, and one side of the cover 18 is provided with a knob 13.

In this embodiment, the oil outlet pipe 8 connects the tool 11 with the oil storage tank 1 and releases pressure oil during workpiece testing, the protective cover 12 protects a user from being damaged, and the cleaning nozzle 14 cleans the tool 11, so that the precision of subsequent testing is not affected.

Specifically, the oil inlet 5 is fixedly connected to the upper end surface of the conveying box 4, and the oil outlet 7 is fixedly connected to the lower end surface of the conveying box 4.

In the embodiment, the oil inlet 5 conveys the pressure oil in the oil inlet pipe 6 to the conveying box 4, and the oil outlet 7 conveys the pressure oil in the conveying box 4 to the oil outlet pipe 8.

Specifically, the oil inlet pipe 6 is fixedly connected to the upper end surface of the oil inlet 5, and the oil pump 3 is fixedly connected to the outer surface of the oil inlet pipe 6.

In this embodiment, the oil inlet pipe 6 discharges the pressure oil in the oil storage tank 1, and the oil pump 3 controls the discharge of the pressure oil in the oil storage tank 1.

Specifically, the oil storage tank 1 is fixedly connected to one end of the oil inlet pipe 6, and the motor 2 is movably connected to one side of the oil pump 3.

In this embodiment, the oil storage tank 1 stores oil for the test bed, and the motor 2 provides power for the oil pump 3.

Specifically, the water tank 16 is fixedly connected to one side of the oil storage tank 1, and the pressure gauge 17 is fixedly connected to the front end face of the oil storage tank 1.

In this embodiment, the water tank 16 supplies cleaning water to the cleaning nozzle 14, and the pressure gauge 17 detects the pressure of the oil in the oil storage tank 1.

Specifically, the oil outlet pipe 8 is fixedly connected to the lower end surface of the oil storage tank 1 and the lower end surface of the oil outlet 7, and the water pipe 15 is fixedly connected to the lower end surface of the water tank 16.

In this embodiment, the oil outlet pipe 8 discharges the pressurized oil in the delivery tank 4, and the water pipe 15 delivers the water in the water tank 16.

Specifically, the cleaning nozzle 14 is fixedly connected to the lower end surface of the water pipe 15, and the tool 11 is fixedly connected to one end of the oil outlet pipe 8.

In this embodiment, the cleaning nozzle 14 cleans the tool 11, and the tool 11 places the test workpiece.

Specifically, the pipe clamping frame 9 is fixedly connected to the outer surface of the oil outlet pipe 8, and the fixing seat 10 is fixedly connected to the lower end face of the tool 11.

In this embodiment, the pipe clamping frame 9 clamps and fixes the oil outlet pipe 8, and the fixing seat 10 fixes the tool 11.

Specifically, the cover 12 is fixedly connected to one side of the tooling 11, the cover 18 is movably connected with the cover 12 through a rotating shaft, and the knob 13 is fixedly connected to one side of the cover 18.

In this embodiment, the cover 12 covers the tool 11, and the opening and closing of the cover 18 are controlled by rotating the knob 13.

In the embodiment, the motor 2, the oil pump 3 and the pressure gauge 17 are known technologies which are already disclosed and widely applied to daily life, the model of the motor 2 is YX3-801-6, the model of the oil pump 3 is Y L RYW50-18, and the model of the pressure gauge 17 is YN100 ZT.

The utility model discloses a theory of operation and use flow: the user puts the work piece into frock 11, hold knob 13 and inwards promote, push away a position after, anticlockwise rotate knob 13 and close shroud 18 and make guard shield 12 close, switch on makes motor 2 operate, oil pump 3 is with the pressure oil suction in the oil storage tank 1 under the drive of motor 2, flow into delivery box 4 through advancing oil pipe 6, delivery box 4 flows into frock 11 with pressure oil through play oil pipe 8, carry out the compression test to the work piece, flow out in the oil storage tank 1 through play oil pipe 8 again, if there is the work piece that bursts up in the testing process, under the blockking of guard shield 12, can prevent that the user from receiving the injury, after the work piece test, the user can open guard shield 12, use washing shower nozzle 14 to wash frock 11, prevent that frock 11 from being infected with the spot, influence the precision of test bench follow-up test.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A safety valve durability test bench comprises a conveying box (4), and is characterized in that: an oil inlet (5) is formed in the upper end face of the conveying box (4), an oil outlet (7) is formed in the lower end face of the conveying box (4), an oil inlet pipe (6) is arranged on the upper end face of the oil inlet (5), an oil pump (3) is arranged on the outer surface of the oil inlet pipe (6), an oil storage tank (1) is arranged at one end of the oil inlet pipe (6), a motor (2) is arranged on one side of the oil pump (3), a water tank (16) is arranged on one side of the oil storage tank (1), a pressure gauge (17) is arranged on the front end face of the oil storage tank (1), oil outlet pipes (8) are arranged on the lower end face of the oil storage tank (1) and the lower end face of the oil outlet (7), a water pipe (15) is arranged on the lower end face of the water tank (16), a cleaning sprayer (14) is arranged on the lower end face of, the surface of play oil pipe (8) is provided with presss from both sides pipe support (9), the lower terminal surface of frock (11) is provided with fixing base (10), one side of frock (11) is provided with guard shield (12), one side of guard shield (12) is provided with shroud (18), shroud (18) with guard shield (12) swing joint, one side fixedly connected with knob (13) of shroud (18).

2. The safety valve durability test stand of claim 1, wherein: the oil inlet (5) is fixedly connected to the upper end face of the conveying box (4), and the oil outlet (7) is fixedly connected to the lower end face of the conveying box (4).

3. The safety valve durability test stand of claim 1, wherein: the oil inlet pipe (6) is fixedly connected to the upper end face of the oil inlet (5), and the oil pump (3) is fixedly connected to the outer surface of the oil inlet pipe (6).

4. The safety valve durability test stand of claim 1, wherein: oil storage tank (1) fixed connection advances the one end of oil pipe (6), motor (2) swing joint is in one side of oil pump (3).

5. The safety valve durability test stand of claim 1, wherein: the water tank (16) is fixedly connected to one side of the oil storage tank (1), and the pressure gauge (17) is fixedly connected to the front end face of the oil storage tank (1).

6. The safety valve durability test stand of claim 1, wherein: the oil outlet pipe (8) is fixedly connected to the lower end face of the oil storage tank (1) and the lower end face of the oil outlet (7) respectively, and the water pipe (15) is fixedly connected to the lower end face of the water tank (16).

7. The safety valve durability test stand of claim 1, wherein: wash shower nozzle (14) fixed connection in the lower terminal surface of water pipe (15), frock (11) fixed connection is in the one end of oil pipe (8).

8. The safety valve durability test stand of claim 1, wherein: press from both sides pipe support (9) fixed connection in the surface of oil pipe (8), fixing base (10) fixed connection is in the lower terminal surface of frock (11).

9. The safety valve durability test stand of claim 1, wherein: guard shield (12) fixed connection is in one side of frock (11), one side of guard shield (12) is provided with shroud (18), shroud (18) with guard shield (12) swing joint, one side fixedly connected with knob (13) of shroud (18).