CN212988721U

CN212988721U - Device for detecting air tightness of oil cylinder

Info

Publication number: CN212988721U
Application number: CN202021500113.5U
Authority: CN
Inventors: 潘祥源
Original assignee: Loudi Dingli Hydraulic Technology Co ltd
Current assignee: Loudi Dingli Hydraulic Technology Co ltd
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2021-04-16
Anticipated expiration: 2030-07-27

Abstract

The utility model discloses a device for hydro-cylinder gas tightness detects, which comprises a supporting pedestal and i, the vertical fixed mounting in top surface of support base has braced frame, braced frame's top middle part fixed mounting has placed and has been used for carrying out the square test box that airtight detected to the hydro-cylinder, the standing groove has been seted up on the surface of square test box, the avris of standing groove is articulated to be equipped with the chamber door, the edge cover of chamber door is equipped with the sealing rubber cover, braced frame's top middle part fixed mounting has the detection box, the inflation inlet has been seted up at the top middle part of the detection box, the surface of inflation inlet is equipped with the gas injection pipe, the inside fixed mounting that detects the box has first air blower, the sealed intercommunication of the end. The utility model discloses a device for hydro-cylinder gas tightness detects through the pressure alarm ware that sets up in the edge at the protection hatch door so that detect whether this airtight incasement portion has atmospheric pressure to surpass the threshold value scope.

Description

Device for detecting air tightness of oil cylinder

Technical Field

The utility model relates to pneumatic cylinder technical field specifically is a device for hydro-cylinder gas tightness detects.

Background

The hydraulic cylinder is a hydraulic actuator which converts hydraulic energy into mechanical energy and performs linear reciprocating motion (or swinging motion). It has simple structure and reliable operation. When it is used to implement reciprocating motion, it can omit speed-reducing device, and has no transmission gap, and its motion is stable, so that it can be extensively used in various mechanical hydraulic systems. The output force of the hydraulic cylinder is in direct proportion to the effective area of the piston and the pressure difference between the two sides of the effective area; the hydraulic cylinder is basically composed of a cylinder barrel and a cylinder cover, a piston and a piston rod, a sealing device, a buffering device and an exhaust device. The damping device and the exhaust device are determined according to specific application occasions, and other devices are necessary.

1) The conventional hydraulic oil cylinder is inconvenient to detect the air tightness of the oil cylinder in the daily use process, and the traditional detection mode is relatively complicated and inconvenient to detect the air tightness of the oil cylinder in batches, so that the accuracy of the oil cylinder in the detection process is not improved;

2) in the existing oil cylinder detection process, the requirement on the air tightness of the oil cylinder is inconvenient to detect, and the detection efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a device for hydro-cylinder gas tightness detects to solve the current hydraulic cylinder that above-mentioned background art provided and be not convenient for detect the gas tightness of this hydro-cylinder in daily use, traditional detection mode is comparatively loaded down with trivial details not convenient for in batches detect the problem of the degree of accuracy of being not convenient for improve in the hydro-cylinder testing process to the gas tightness of hydro-cylinder.

In order to achieve the above object, the utility model provides a following technical scheme: including supporting the base, the vertical fixed mounting in top surface of support base has braced frame, braced frame's top middle part fixed mounting has placed and is used for carrying out the square test box of airtight detection to the hydro-cylinder, the standing groove has been seted up on the surface of square test box, the avris of standing groove is articulated to be equipped with the chamber door, the edge cover of chamber door is equipped with the sealing rubber cover, braced frame's top middle part fixed mounting has the detection box, the inflation inlet has been seted up at the top middle part of detecting the box, the surface of inflation inlet is equipped with the gas injection pipe, the inside fixed mounting that detects the box has first air blower, the sealed intercommunication of the end of giving vent to anger of first air blower is equipped with first air valve, the one end and the sealed intercommunication of square test box.

As an optimization of the utility model: the supporting frame is characterized in that a supporting base is fixedly mounted on the bottom side wall edge side of the supporting frame, an airtight box is fixedly mounted on the top surface of the supporting base, a detection cabin is mounted on the top of the airtight box in a sealing mode, a detection cavity is formed in the surface of the middle of the detection cabin, a protection cabin door is hinged to the edge side of the detection cavity in a sealing mode, and a sealing rubber sleeve is connected to the surface sealing sleeve of the protection cabin door.

As an optimization of the utility model: the surface of the protection cabin door is fixedly provided with a pressure alarm, and the detection end of the pressure alarm is communicated with the protection cabin door in a sealing way.

As an optimization of the utility model: the top middle part fixed seal intercommunication of airtight case is equipped with a plurality of row and aerifys a plurality of second inflation valve, a plurality of the top of second inflation valve all seals the intercommunication and is equipped with a plurality of and aerifys the pipe, a plurality of the one end of aerifing the pipe all seals the intercommunication and is equipped with the gas transmission pipeline, the bottom of second inflation valve is sealed the intercommunication and is equipped with the hose, the bottom of hose all with the sealed intercommunication of the gas injection mouth of pneumatic cylinder.

As an optimization of the utility model: the avris fixed mounting of airtight case has the second to inflate the fan, the sealed intercommunication of the one end of the end of giving vent to anger and gas transmission pipeline of fan is inflated to the second, the fixed surface of airtight case installs flush mounting plate, flush mounting plate's surface is equipped with first fan switch, pressure alarm switch and the second of aerifing respectively and aerifys the fan switch, first fan and the first fan switch electric connection of aerifing, pressure alarm and pressure alarm switch electric connection, fan and the second is aerifyd to the second, first fan switch, pressure alarm switch and the second of aerifing inflate the fan switch all with external power supply electric connection.

Compared with the prior art, the beneficial effects of the utility model are that:

1) the protection cabin door is opened by a user, then a hydraulic oil cylinder body needing sealing detection is placed into the detection chamber, the interior condition can be observed after the protection cabin door is closed, and the detection chamber arranged on the front surface of the square test box is used for detecting the interior condition conveniently;

2) whether the air pressure inside the airtight box exceeds the threshold range or not is detected through the pressure alarm arranged at the edge of the protection cabin door, and then whether the air tightness of the hydraulic oil cylinder reaches the standard or not is judged according to the threshold range of the air pressure, and if the internal air pressure value exceeds the actual threshold of the pressure alarm and then the pressure alarm gives an alarm, the air tightness of the hydraulic oil cylinder is not qualified.

Drawings

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

FIG. 2 is a schematic front view of the present invention;

fig. 3 is a schematic view of the top view structure of the present invention.

In the figure: 1. a support base; 2. a support frame; 3. a square test box; 4. a placement groove; 5. a box door; 6. detecting the box body; 7. an inflation inlet; 8. a first inflation valve; 9. a detection cabin; 10. a support base; 11. an airtight box; 12. a protective hatch; 13. a second inflation valve; 14. an inflation conduit; 15. a gas transmission pipeline; 16. and a second air inflation fan.

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 a technical solution: the utility model provides a device for hydro-cylinder gas tightness detects, including supporting pedestal 1, the vertical fixed mounting in top surface of supporting pedestal 1 has braced frame 2, braced frame 2's top middle part fixed mounting has placed the square test box 3 that is used for carrying out airtight detection to the hydro-cylinder, standing groove 4 has been seted up on the surface of square test box 3, the avris of standing groove 4 articulates and is equipped with chamber door 5, the edge cover of chamber door 5 is equipped with the sealing rubber cover, braced frame 2's top middle part fixed mounting has detection box 6, inflation inlet 7 has been seted up at the top middle part of detection box 6, the surface of inflation inlet 7 is equipped with the gas injection pipe, the inside fixed mounting that detects box 6 has first air blower, the sealed intercommunication of the end of giving vent to anger of first air blower is equipped with first air inflation valve 8, first air blower valve 8.

In this embodiment: supporting frame 2's bottom lateral wall avris fixed mounting has supporting pedestal 10, and supporting pedestal 10's top fixed surface installs airtight case 11, and airtight case 11's top seal installs and detects cabin 9, and the middle part surface of detecting cabin 9 has seted up and has detected the cavity, and it has protection hatch door 12 to detect the sealed articulated of cavity avris, and the surface seal cover of protection hatch door 12 connects and is equipped with the sealing rubber cover.

Specifically, the method comprises the following steps: in the daily use, must carry out the measuring of gas tightness with hydraulic cylinder's cylinder body, the user of then need open this protection hatch door 12, then will need sealed the hydraulic cylinder body that detects to put into and detect the cavity, then can observe the condition of inside after closing protection hatch door 12, through the detection cavity that is equipped with so that detect the condition of inside on square test box 3 positive surface.

In this embodiment: and a pressure alarm is fixedly arranged on the surface of the protection cabin door 12, and the detection end of the pressure alarm is communicated with the protection cabin door 12 in a sealing way.

Specifically, the method comprises the following steps: when daily use, through the pressure alarm that sets up in the edge of protection hatch door 12 so that detect this airtight case 11 inside whether have atmospheric pressure to exceed the threshold value scope, and then judge whether hydraulic cylinder's gas tightness is up to standard according to the threshold value scope of atmospheric pressure, if go inside atmospheric pressure numerical value to exceed the actual threshold value of pressure alarm and then this pressure alarm can send out the warning then show that this hydraulic cylinder's gas tightness is unsatisfactory.

In this embodiment: the top middle part of airtight case 11 is fixed sealed intercommunication and is equipped with a plurality of row and aerifys a plurality of second inflation valve 13, and the top of a plurality of second inflation valve 13 is all sealed the intercommunication and is equipped with a plurality of inflation pipe 14, and the one end of a plurality of inflation pipe 14 is all sealed the intercommunication and is equipped with gas transmission pipeline 15, and the bottom of second inflation valve 13 is sealed the intercommunication and is equipped with the hose, and the bottom of hose all is sealed the intercommunication with the gas injection mouth of pneumatic cylinder.

Specifically, the method comprises the following steps: the plurality of second inflation valves 13 are arranged in the daily use process, so that a user can conveniently and flexibly realize inflation and discharge of the gas in the inflation guide pipe 14, and the gas transmission pipeline 15 is arranged so that the charged gas can be conveniently guided into the airtight box 11 along the inflation guide pipe 14 in the use process and then injected into a part needing gas tightness detection.

In this embodiment: the avris fixed mounting of airtight case 11 has second air inflation fan 16, the sealed intercommunication of the end of giving vent to anger of second air inflation fan 16 and the one end of gas transmission pipeline 15, the fixed surface of airtight case 11 installs flush mounting plate, flush mounting plate's surface is equipped with first air inflation fan switch respectively, the fan switch is aerifyd to pressure alarm switch and second, first air inflation fan and first air inflation fan switch electric connection, pressure alarm and pressure alarm switch electric connection, fan switch electric connection is aerifyd with the second to the second, first air inflation fan switch, pressure alarm switch and second air inflation fan switch all with external power supply electric connection.

Specifically, the method comprises the following steps: in the daily use process, the second inflation fan 16 is arranged so that the inflation body can transmit and guide gas under the pressurization effect of the second inflation fan 16, and the pressure alarm is arranged to give an alarm when the gas tightness exceeds a threshold value in the rapid inflation process of the gas so as to remind that the tightness of the hydraulic oil cylinder is not qualified.

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 and equivalents may be made without departing from the spirit and scope of the invention.

Claims

1. The device for detecting the air tightness of the oil cylinder comprises a supporting base (1) and is characterized in that a supporting frame (2) is vertically and fixedly installed on the surface of the top of the supporting base (1), a square test box (3) for detecting the air tightness of the oil cylinder is fixedly installed in the middle of the top end of the supporting frame (2), a placing groove (4) is formed in the surface of the square test box (3), a box door (5) is hinged to the side of the placing groove (4), a sealing rubber sleeve is sleeved at the edge of the box door (5), a detection box body (6) is fixedly installed in the middle of the top end of the supporting frame (2), an inflation inlet (7) is formed in the middle of the top end of the detection box body (6), an air injection guide pipe is arranged on the surface of the inflation inlet (7), and a first air inflation fan is fixedly installed inside the detection box body (, the air outlet end of the first air inflation fan is hermetically communicated with a first air inflation valve (8), and one end of the first air inflation valve (8) is hermetically communicated with the square test box (3).

2. The device for detecting the air tightness of the oil cylinder according to claim 1, is characterized in that: the utility model discloses a protection cabin door, including braced frame (2), bottom lateral wall avris fixed mounting have support base (10), the top fixed surface of support base (10) installs airtight case (11), the top seal of airtight case (11) installs detection cabin (9), the middle part surface of detecting cabin (9) has been seted up and has been detected the cavity, it has protection cabin door (12) to detect the sealed articulated protection cabin door that has of cavity avris, the surface seal cover of protection cabin door (12) connects and is equipped with the sealing rubber cover.

3. The device for detecting the air tightness of the oil cylinder according to claim 2, is characterized in that: the surface of the protection cabin door (12) is fixedly provided with a pressure alarm, and the detection end of the pressure alarm is communicated with the protection cabin door (12) in a sealing way.

4. The device for detecting the air tightness of the oil cylinder according to claim 3, is characterized in that: the top middle part fixed seal intercommunication of airtight case (11) is equipped with a plurality of rows and aerifys a plurality of second inflation valve (13), a plurality of the top of second inflation valve (13) is all sealed the intercommunication and is equipped with a plurality of and aerifys pipe (14), a plurality of the one end of aerifing pipe (14) is all sealed the intercommunication and is equipped with gas transmission pipeline (15), the bottom seal intercommunication of second inflation valve (13) is equipped with the hose, the bottom of hose all with the sealed intercommunication of gas injection mouth of pneumatic cylinder.

5. The device for detecting the air tightness of the oil cylinder according to claim 4, is characterized in that: the avris fixed mounting of airtight case (11) has second air inflation fan (16), the sealed intercommunication of the end of giving vent to anger of second air inflation fan (16) and the one end of gas transmission pipeline (15), the fixed surface of airtight case (11) installs flush mounting plate, flush mounting plate's surface is equipped with first air inflation fan switch, pressure alarm switch and second air inflation fan switch respectively, first air inflation fan and first air inflation fan switch electric connection, pressure alarm and pressure alarm switch electric connection, fan (16) and second air inflation fan switch electric connection are aerifyd to the second, first air inflation fan switch, pressure alarm switch and second air inflation fan switch all with external power supply electric connection.