CN210269047U

CN210269047U - Nitrogen spring detection device based on water pressure airtightness detection technology

Info

Publication number: CN210269047U
Application number: CN201920907063.3U
Authority: CN
Inventors: 蒋幕戎
Original assignee: Xuzhou Tianhong Transmission Equipment Co ltd
Current assignee: Xuzhou Tianhong Transmission Equipment Co ltd
Priority date: 2019-06-17
Filing date: 2019-06-17
Publication date: 2020-04-07
Anticipated expiration: 2029-06-17

Abstract

The utility model discloses a nitrogen spring detection device based on water pressure gas tightness detection technique, including the detection case, the top of detection case link up the connection work window, the sealed lid is installed on the top of work window, the inner chamber of detection case is equipped with the holder, the holder passes through bracing piece fixed connection at the inner chamber diapire of detection case, be equipped with the clamp groove on the holder, the symmetrical fixedly connected with slide bar around one side end of holder, be equipped with electric telescopic device between two slide bars, electric telescopic device fixed mounting is on the lateral wall of detection case, the expansion end fixedly connected with of the telescopic link on the electric telescopic device and slide bar matched with detection piece, the rear side end of detection case is equipped with the side window; the utility model discloses a nitrogen spring to wait to detect puts into the double-layered inslot under water, then through the ejecting detection piece of electronic telescoping device, extrudees the detection gas tightness to nitrogen spring, utilizes the audio-visual observation gas tightness condition of bubble, can the effectual detection effect who guarantees the nitrogen spring gas tightness.

Description

Nitrogen spring detection device based on water pressure airtightness detection technology

Technical Field

The utility model relates to an air spring detects technical field, specifically is a nitrogen spring detection device based on water pressure gas tightness detects technique.

Background

A gas spring is an industrial accessory which can play the roles of supporting, buffering, braking, height adjustment, angle adjustment and the like. It is composed of the following parts: the device comprises a pressure cylinder, a piston rod, a piston, a sealing guide sleeve, a filler (inert gas or oil-gas mixture), an in-cylinder control element, an out-cylinder control element (a controllable gas spring), a joint and the like. The principle is that inert gas or oil-gas mixture is filled in a closed pressure cylinder, the pressure in a cavity is several times or dozens of times higher than the atmospheric pressure, and the motion of a piston rod is realized by utilizing the pressure difference generated by the cross section area of the piston rod smaller than that of the piston.

The air tightness problem of the nitrogen spring is one of important factors restricting the development of the nitrogen spring, once the air tightness problem occurs, various accidents can occur during later use, and even the life safety of a user can be endangered, so that the air tightness detection of the nitrogen spring leaving a factory is very important.

Disclosure of Invention

An object of the utility model is to provide a nitrogen gas spring detection device based on water pressure gas tightness detection technique to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a nitrogen spring detection device based on a water pressure airtightness detection technology comprises a detection box, wherein the top end of the detection box is communicated with a working window, a sealing cover is installed at the top end of the working window, a sealing boss matched with the working window is arranged at the bottom end of the sealing cover, handles are symmetrically arranged on the left side and the right side of the top end of the sealing cover, a clamping seat is arranged in an inner cavity of the detection box and is fixedly connected to the bottom wall of the inner cavity of the detection box through a supporting rod, a clamping groove is formed in the clamping seat, the cross section of the clamping groove is of an L-shaped structure, sliding rods are symmetrically and fixedly connected to the front side and the rear side of one side end of the clamping seat, an electric telescopic device is arranged between the two sliding rods and is fixedly installed on the side wall of the detection box, a detection block matched with the sliding rods is fixedly connected, put into through the work window and wait to detect nitrogen spring, and put into the double-layered inslot to nitrogen spring and fix, then utilize and detect the piece and withstand nitrogen spring, fixed nitrogen spring back, add water to the detection case through the work window, water covers nitrogen spring, then cover sealed lid, start electronic telescoping device, stretch out the telescopic link, ejecting detection piece, utilize and detect the piece and withstand nitrogen spring, nitrogen spring pressurizes, then whether there is the bubble to produce through the side window observation, the gas tightness of nitrogen spring under the pressurized state, thereby the airtight effect of detection nitrogen spring that can be accurate, can effectually prevent that the nitrogen spring that the gas tightness is not good from flowing into market.

One side end top through connection blast pipe of detection case, install the vacuum pump on the blast pipe, before starting electronic telescoping device, can start the vacuum pump earlier, the air in the extraction detection case to discharge through the blast pipe, thereby form the negative pressure above the liquid level of detection case, thereby the air of aquatic in the discharge detection case prevents the detection of the air interference nitrogen spring gas tightness of aquatic, further guarantees the accuracy of detecting.

The bottom end of the detection box is uniformly provided with a plurality of supporting legs, and the supporting legs are utilized to support the whole device.

As a further aspect of the present invention: the inner chamber front and back symmetry that presss from both sides the groove is equipped with splint, splint are the arc, and splint pass through elastic component fixed connection on the lateral wall that presss from both sides the groove, elastic component includes a plurality of springs, carries out the clamping to the nitrogen spring who presss from both sides the inslot through two splint cooperation elastic component, guarantees the stability of nitrogen spring clamping.

As a further aspect of the present invention: the bottom of detection case link up the connection drain pipe, install the control valve on the drain pipe, through the water of drain pipe discharge detection incasement, the later stage of being convenient for is to the cleaning work of detection case.

As a further aspect of the present invention: a liquid level meter is installed at one side end of the detection box, the liquid level in the detection box is detected by the liquid level meter, and the adding condition of water in the detection box can be observed conveniently in real time.

As a further aspect of the present invention: the sealed lid is equipped with the observation hole, be equipped with the transparent glass board in the observation hole, see through the observation hole, the inside measuring condition of direct observation detection case of being convenient for.

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

1. the utility model discloses a nitrogen spring that treats the detection is put into the underwater clamp groove, then through electronic telescoping device ejecting detection piece, extrudees the detection gas tightness to nitrogen spring, utilizes the audio-visual observation gas tightness condition of bubble, can effectually guarantee the detection effect of nitrogen spring gas tightness;

2. the vacuum pump of the utility model extracts the air in the detection box and discharges the air through the exhaust pipe, so that negative pressure is formed above the liquid level of the detection box, thereby discharging the air in the water in the detection box, preventing the air in the water from interfering the detection of the air tightness of the nitrogen spring, and further ensuring the accuracy of the detection;

3. the nitrogen spring in the clamping groove is clamped through the matching of the two clamping plates and the elastic assembly, and the stability of the nitrogen spring is guaranteed.

Drawings

FIG. 1 is a schematic structural diagram of a nitrogen spring detection device based on a water pressure airtightness detection technology;

fig. 2 is a schematic view of a partial structure of a nitrogen spring detection device based on a hydraulic pressure airtightness detection technology.

In the figure: 1-detection box, 101-clamping plate, 102-elastic component, 2-working window, 3-sealing cover, 4-sealing boss, 5-handle, 6-observation hole, 7-glass plate, 8-clamping seat, 9-supporting rod, 10-clamping groove, 11-sliding rod, 12-electric telescopic device, 13-telescopic rod, 14-detection block, 15-liquid level meter, 16-exhaust pipe, 17-vacuum pump, 18-drain pipe, 19-control valve, 20-supporting leg and 21-side window.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

Referring to fig. 1-2, a nitrogen spring detection device based on a water pressure airtightness detection technology comprises a detection box 1, wherein the top end of the detection box 1 is connected with a working window 2 in a penetrating manner, the top end of the working window 2 is provided with a sealing cover 3, the bottom end of the sealing cover 3 is provided with a sealing boss 4 matched with the working window 2, the top end of the sealing cover 3 is symmetrically provided with handles 5 at left and right sides, an inner cavity of the detection box 1 is provided with a clamping seat 8, the clamping seat 8 is fixedly connected with the bottom wall of the inner cavity of the detection box 1 through a support rod 9, the clamping seat 8 is provided with a clamping groove 10, the cross section of the clamping groove 10 is of an L-shaped structure, one side end of the clamping seat 8 is symmetrically and fixedly connected with a sliding rod 11 at front and back, an electric telescopic device 12 is arranged between the two sliding rods 11, the electric telescopic device 12 is fixedly arranged on the side wall of the detection box, the back side of detection case 1 is equipped with side window 21, put into through work window 2 and wait to detect the nitrogen gas spring, and put into nitrogen gas spring and press from both sides the groove 10 in and fix, then utilize and detect 14 withstand the nitrogen gas spring, behind the fixed nitrogen gas spring, add water in to detection case 1 through work window 2, water covers the nitrogen gas spring, then cover sealed lid 3, start electronic telescoping device 12, stretch out telescopic link 13, ejecting detection piece 14, utilize and detect 14 withstand the nitrogen gas spring, the nitrogen gas spring pressurizes, then whether there is the bubble to produce through side window 21 observation, the gas tightness of nitrogen gas spring under the pressurized state, thereby the airtight effect of detection nitrogen gas spring that can be accurate, can effectually prevent that the nitrogen gas spring that the gas tightness is not good from flowing into market.

The utility model discloses a detection box, including detection box 1, exhaust pipe 16, vacuum pump 17, exhaust pipe 16, before starting electric telescopic device 12, can start vacuum pump 17 earlier, the air in the extraction detection box 1 to discharge through exhaust pipe 16, thereby form the negative pressure above the liquid level of detection box 1, thereby the air of aquatic in the discharge detection box 1 prevents that the air of aquatic from disturbing the detection of nitrogen spring gas tightness, further guarantees the accuracy that detects.

A plurality of supporting legs 20 are uniformly arranged at the bottom end of the detection box 1, and the whole device is supported by the supporting legs 20.

Example 2

The embodiment is further illustrated on the basis of embodiment 1, the clamping plates 101 are symmetrically arranged in the front and back of the inner cavity of the clamping groove 10, the clamping plates 101 are arc-shaped plates, the clamping plates 101 are fixedly connected to the side walls of the clamping groove 10 through elastic assemblies 102, each elastic assembly 102 comprises a plurality of springs, and the two clamping plates 101 are matched with the elastic assemblies 102 to clamp the nitrogen springs in the clamping groove 10, so that the stability of clamping the nitrogen springs is ensured.

The bottom end of the detection box 1 is communicated with a drainage pipe 18, a control valve 19 is arranged on the drainage pipe 18, and water in the detection box 1 is drained through the drainage pipe 18, so that the detection box 1 is convenient to clean at a later stage.

A liquid level meter 15 is installed at one side end of the detection box 1, and the liquid level meter 15 is used for detecting the liquid level in the detection box 1, so that the adding condition of water in the detection box 1 can be observed conveniently in real time.

The sealed lid 3 is equipped with the observation hole 6, be equipped with transparent glass board 7 in the observation hole 6, see through the observation hole 6, the inside measuring condition of direct observation detection case 1 of being convenient for.

According to the working principle of the embodiment 1-2, a nitrogen spring to be detected is placed in the working window 2, the nitrogen spring is placed in the clamping groove 10 to be fixed, then the nitrogen spring is propped against by the detection block 14, after the nitrogen spring is fixed, water is added into the detection box 1 through the working window 2, covers the nitrogen spring, covers the sealing cover 3, starts the vacuum pump 17, extracts air in the detection box 1, and is discharged through the exhaust pipe 16, so that negative pressure is formed above the liquid level of the detection box 1, and the air in the water in the detection box 1 is discharged; then start electronic telescoping device 12, stretch out telescopic link 13, ejecting detection piece 14, utilize and detect piece 14 and withstand the nitrogen gas spring, the nitrogen gas spring pressurizes, then whether there is the bubble to produce through side window 21 observation, the gas tightness of nitrogen gas spring under the pressurized state to the airtight effect of detection nitrogen gas spring that can be accurate can effectually prevent that the nitrogen gas spring that the gas tightness is not good from flowing into market.

The utility model discloses an innovation point lies in, through the nitrogen spring who waits to detect puts into underwater double-layered groove 10 in, then through 12 ejecting detection piece 14 of electronic telescoping device, extrudees the detection gas tightness to nitrogen spring, utilizes the audio-visual observation gas tightness circumstances of bubble, can the effectual detection effect who guarantees nitrogen spring gas tightness.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. A nitrogen spring detection device based on a water pressure airtightness detection technology comprises a detection box (1), wherein the top end of the detection box (1) is in through connection with a working window (2), a sealing cover (3) is installed at the top end of the working window (2), and the nitrogen spring detection device is characterized in that an inner cavity of the detection box (1) is provided with a clamping seat (8), the clamping seat (8) is fixedly connected to the bottom wall of the inner cavity of the detection box (1) through a support rod (9), a clamping groove (10) is formed in the clamping seat (8), the cross section of the clamping groove (10) is of an L-shaped structure, sliding rods (11) are symmetrically and fixedly connected to the front and back of one side end of the clamping seat (8), an electric telescopic device (12) is arranged between the two sliding rods (11), the electric telescopic device (12) is fixedly installed on the side wall of the detection box (1), and a detection block (14) matched with the sliding rods (11), the rear side end of the detection box (1) is provided with a side window (21), the top end of one side end of the detection box (1) is in through connection with an exhaust pipe (16), a vacuum pump (17) is installed on the exhaust pipe (16), and a plurality of support legs (20) are evenly installed at the bottom end of the detection box (1).

2. The nitrogen spring detection device based on the water pressure airtightness detection technology according to claim 1, wherein clamping plates (101) are symmetrically arranged in front and back of an inner cavity of the clamping groove (10), the clamping plates (101) are fixedly connected to side walls of the clamping groove (10) through elastic assemblies (102), and the elastic assemblies (102) comprise a plurality of springs.

3. The nitrogen spring detection device based on the water pressure airtightness detection technology according to claim 2, wherein the clamping plate (101) is an arc-shaped plate.

4. The nitrogen spring detection device based on the water pressure airtightness detection technology according to claim 1, wherein a drain pipe (18) is connected to the bottom end of the detection box (1) in a penetrating manner, and a control valve (19) is mounted on the drain pipe (18).

5. The nitrogen spring detection device based on the water pressure airtightness detection technology according to claim 4, wherein a liquid level meter (15) is mounted at one side end of the detection box (1).

6. The nitrogen spring detection device based on the water pressure airtightness detection technology according to claim 1, wherein an observation hole (6) is formed in the sealing cover (3), and a transparent glass plate (7) is arranged in the observation hole (6).

7. The nitrogen spring detection device based on the water pressure airtightness detection technology according to any one of claims 1 to 6, wherein four legs (20) are uniformly installed at the bottom end of the detection box (1).

8. The nitrogen spring detection device based on the water pressure airtightness detection technology according to claim 7, wherein a sealing boss (4) matched with the working window (2) is arranged at the bottom end of the sealing cover (3), and handles (5) are symmetrically arranged at the top end of the sealing cover (3) in the left-right direction.