CN213041655U

CN213041655U - Special testing arrangement of subway rescue gasbag

Info

Publication number: CN213041655U
Application number: CN202022058944.8U
Authority: CN
Inventors: 孙文杰
Original assignee: Chongqing Vocational Institute of Engineering
Current assignee: Chongqing Vocational Institute of Engineering
Priority date: 2020-09-19
Filing date: 2020-09-19
Publication date: 2021-04-23
Anticipated expiration: 2030-09-19

Abstract

The utility model belongs to the technical field of gasbag pressure test, especially, special testing arrangement of subway rescue gasbag, it is spacing to be not convenient for stop the gasbag to current testing arrangement, can not adapt to the problem that not unidimensional gasbag detected, the following scheme is proposed now, it includes the base, the top fixed mounting of base has four direction slide bars, the outside slidable mounting of four direction slide bars has same biography power board, the top fixed mounting of biography power board has a plurality of bottoms that detect the elastic spring, a plurality of top fixed mounting that detect the elastic spring has same elastic pressure board, elastic pressure board's top is provided with the fly leaf, fly leaf slidable mounting is in the outside of four direction slide bars, the top slidable mounting of base has four to block the curb plate, the cavity has been seted up on the base, four hob are installed to the cavity internal rotation. The utility model discloses be convenient for block spacingly to the gasbag, can adapt to the not unidimensional gasbag and detect.

Description

Special testing arrangement of subway rescue gasbag

Technical Field

The utility model relates to an gasbag pressure test technical field especially relates to a special testing arrangement of subway rescue gasbag.

Background

The air bag is an important component of the rescue equipment and achieves the purpose of jacking a narrow space by inflating and expanding the air bag. However, the air bag often breaks due to insufficient jacking value in the using process, so that the air bag causes harm to human bodies, and the quality of the air bag needs to be effectively tested, for example, the application number is as follows: 201620960428.5 or an authorization bulletin number: CN205940969U provides a special testing device for subway rescue airbags, which comprises a circular upper plate, a circular middle plate and a circular lower plate which are arranged in parallel from top to bottom; the circular upper plate, the circular middle plate and the circular lower plate are made of stainless steel; the round upper plate is provided with four limiting holes, a limiting rod penetrates through each limiting hole, the upper end of the positioning rod is fixed with the round upper plate, and the lower end of the positioning rod downwards extends through the round middle plate and is fixed with the round lower plate; the round middle plate can move up and down along the positioning rods and the limiting rods, springs with the elastic coefficient of 19 are arranged on the limiting rods and the positioning rods, and the springs are located between the round upper plate and the round middle plate.

The existing testing device is inconvenient to stop and limit the air bag and cannot adapt to air bag detection of different sizes.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving current testing arrangement and be not convenient for stop spacingly to the gasbag, can not adapt to the not shortcoming that unidimensional gasbag detected, and the special testing arrangement of subway rescue gasbag that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a special testing arrangement of subway rescue gasbag, the on-line screen storage device comprises a base, the top fixed mounting of base has four direction slide bars, the outside slidable mounting of four direction slide bars has same biography power board, the top fixed mounting of biography power board has the bottom of a plurality of detection spring, the top fixed mounting of a plurality of detection spring has same elasticity clamp plate, the top of elasticity clamp plate is provided with the fly leaf, fly leaf slidable mounting is in the outside of four direction slide bars, the top slidable mounting of base has four to block the curb plate, the cavity has been seted up on the base, four hob are installed to the cavity internal rotation, the equal threaded connection in the outside of four hob has the slip bottom piece, the equal fixed mounting in top of four slip bottom pieces has the narrow piece, four narrow pieces respectively with four bottom fixed.

Preferably, the inner wall of the top of the cavity is fixedly provided with a motor, an output shaft of the motor is fixedly provided with a main gear, one ends of the four spiral rods, which are close to each other, are fixedly provided with pinions, and the four pinions are meshed with the main gear.

Preferably, four bar holes have been seted up to the top symmetry of base, and four bar holes all are linked together with the cavity, and four narrow pieces respectively with four bar hole sliding connection.

Preferably, the top ends of the four guide slide bars are fixedly provided with the same fixed upper plate, the bottom of the fixed upper plate is fixedly provided with an electric push rod, and an output shaft of the electric push rod is fixedly connected with the top of the movable plate.

Preferably, four bearings are fixedly mounted on the inner wall of the bottom of the cavity, and the four screw rods are fixedly mounted with inner rings of the four bearings respectively.

Preferably, the elastic pressure plate is assembled with a pressure input end of the pressure sensor, a shell of the pressure sensor is assembled or attached to the movable plate, and a signal of the pressure sensor is connected into the industrial personal computer, so that the pressure applied to the elastic pressure plate is detected.

Compared with the prior art, the utility model has the advantages of:

(1) the scheme enables the air bag to be placed between the four blocking side plates, the motor is started, and the air bags with different sizes can be conveniently blocked and limited by adjusting the distance between the four blocking side plates;

(2) the distance between the force transmission plates can be adjusted through the electric push rod, the force transmission plates transmit the pressure value to the pressure sensor through the plurality of detection spring springs, the quality of the detection air bag of the air bag under a certain pressure value is detected through the pressure sensor, and the detection of the air bags with different sizes can be met.

The utility model discloses be convenient for block spacingly to the gasbag, can adapt to the not unidimensional gasbag and detect.

Drawings

Fig. 1 is a schematic structural diagram of a special testing device for a subway rescue airbag provided by the utility model;

fig. 2 is a schematic structural view of a part a of the special testing device for the subway rescue air bag provided by the utility model;

fig. 3 is a schematic view of the overlooking structure of the main gear, the pinion and the screw rod of the special testing device for the subway rescue air bag provided by the utility model.

In the figure: 1. a base; 2. a guide slide bar; 3. a force transmission plate; 4. detecting a spring; 5. an elastic pressure plate; 6. a pressure sensor; 7. a movable plate; 8. an electric push rod; 9. fixing the upper plate; 10. a blocking side plate; 11. a cavity; 12. a strip-shaped hole; 13. a narrow block; 14. sliding the bottom block; 15. a screw rod; 16. a bearing; 17. a motor; 18. a main gear; 19. a pinion gear.

Detailed Description

The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.

Example one

Referring to fig. 1-3, a special testing arrangement of subway rescue gasbag, including base 1, the top fixed mounting of base 1 has four direction slide bars 2, the outside slidable mounting of four direction slide bars 2 has same dowel steel 3, the top fixed mounting of dowel steel 3 has the bottom of a plurality of detection spring 4, the top fixed mounting of a plurality of detection spring 4 has same elasticity clamp plate 5, the top of elasticity clamp plate 5 is provided with fly leaf 7, fly leaf 7 slidable mounting is in the outside of four direction slide bars 2, the top slidable mounting of base 1 has four and blocks curb plate 10, cavity 11 has been seted up on the base 1, four hob 15 are installed to cavity 11 internal rotation, the equal threaded connection in the outside of four hob 15 has sliding bottom block 14, the equal fixed mounting in top of four sliding bottom block 14 has narrow piece 13, four narrow piece 13 respectively with the bottom fixed mounting that four blockked curb plate 10.

In this embodiment, the inner wall of the top of the cavity 11 is fixedly provided with a motor 17, an output shaft of the motor 17 is fixedly provided with a main gear 18, one end of each of the four screw rods 15 close to each other is fixedly provided with an auxiliary gear 19, the four auxiliary gears 19 are engaged with the main gear 18, and the motor 17 drives the four screw rods 15 to rotate through the main gear 18 and the four auxiliary gears 19.

In this embodiment, four bar holes 12 are symmetrically formed in the top of the base 1, the four bar holes 12 are communicated with the cavity 11, and the four narrow blocks 13 are slidably connected with the four bar holes 12 respectively.

In this embodiment, the top ends of the four guide slide bars 2 are all fixedly mounted with the same fixed upper plate 9, the bottom of the fixed upper plate 9 is fixedly mounted with the electric push rod 8, and the output shaft of the electric push rod 8 is fixedly connected with the top of the movable plate 7.

In this embodiment, four bearings 16 are fixedly mounted on the inner wall of the bottom of the cavity 11, the four screw rods 15 are respectively and fixedly mounted with the inner rings of the four bearings 16, and the bearings 16 support the screw rods 15.

In this embodiment, the elastic pressing plate 5 is assembled with the pressure input end of the pressure sensor 6, and the housing of the pressure sensor 6 is assembled or attached to the movable plate 7. When the pressure detection device is used, the pressure borne by the elastic pressure plate 5 can directly act on the pressure sensor 6, and the pressure sensor 6 inputs signals into the industrial personal computer, so that the pressure borne by the elastic pressure plate 5 is detected.

Example two

Referring to fig. 1-3, a special testing device for a subway rescue airbag comprises a base 1, four guide slide bars 2 are fixedly installed at the top of the base 1 through welding, the same dowel plate 3 is slidably installed at the outer sides of the four guide slide bars 2, the bottom ends of a plurality of detection spring springs 4 are fixedly installed at the top of the dowel plate 3 through welding, the same elastic pressing plate 5 is fixedly installed at the top ends of the detection spring springs 4 through welding, a movable plate 7 is arranged at the top of the elastic pressing plate 5, the movable plate 7 is slidably installed at the outer sides of the four guide slide bars 2, four blocking side plates 10 are slidably installed at the top of the base 1, a cavity 11 is formed in the base 1, four spiral rods 15 are rotatably installed in the cavity 11, sliding bottom blocks 14 are in threaded connection with the outer sides of the four spiral rods 15, and narrow blocks 13 are fixedly installed at the top of the, the four narrow blocks 13 are fixedly installed with the bottoms of the four blocking side plates 10 by welding.

In this embodiment, a motor 17 is fixedly welded on the inner wall of the top of the cavity 11, a main gear 18 is fixedly welded on an output shaft of the motor 17, a pinion 19 is fixedly welded on one end, close to the four screw rods 15, of the main gear, the four pinion 19 are meshed with the main gear 18, and the motor 17 drives the four screw rods 15 to rotate through the main gear 18 and the four pinion 19.

In this embodiment, the top ends of the four guide slide bars 2 are all provided with the same fixed upper plate 9 through welding and fixing, the bottom of the fixed upper plate 9 is provided with the electric push rod 8 through welding and fixing, and the output shaft of the electric push rod 8 is fixedly connected with the top of the movable plate 7 through screws.

In this embodiment, four bearings 16 are fixedly mounted on the inner wall of the bottom of the cavity 11 by welding, the four screw rods 15 are fixedly mounted with the inner rings of the four bearings 16 by welding, and the bearings 16 support the screw rods 15.

In this embodiment, during the use, pass through power supply with electrical equipment, and utilize the industrial computer to control its running state. The airbag is placed on the top of the base 1, so that the airbag is placed between four blocking side plates 10, a motor 17 is started, the motor 17 drives four screw rods 15 to rotate through a main gear 18 and four pinions 19, the four screw rods 15 respectively drive four sliding bottom blocks 14 to mutually approach, the four sliding bottom blocks 14 drive the four blocking side plates 10 to mutually approach through four narrow blocks 13 to block the airbag, a movable plate 7 is pushed to move downwards through an electric push rod 8, the movable plate 7 provides downward elastic force for a force transmission plate 3 through a plurality of detection elastic springs 4, so that the force transmission plate 3 moves downwards to be in contact with the airbag, the force transmission plate 3 transmits a pressure value to a pressure sensor 6 through the plurality of detection elastic springs 4, the mass of the airbag under a certain pressure value is detected through the pressure sensor 6, and after detection is completed, the airbag can be taken out, and all structures in the airbag can select materials and lengths according to actual use conditions, the drawings are schematic structural diagrams, and the specific actual size can be adjusted properly.

The above descriptions are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to, replaced or changed.

Claims

1. The special testing device for the subway rescue airbag comprises a base (1) and is characterized in that four guide slide rods (2) are fixedly mounted at the top of the base (1), the same dowel plate (3) is slidably mounted on the outer sides of the four guide slide rods (2), the bottom ends of a plurality of detection spring springs (4) are fixedly mounted at the top of the dowel plate (3), the same elastic pressing plate (5) is fixedly mounted at the top ends of the detection spring springs (4), a movable plate (7) is arranged at the top of the elastic pressing plate (5), the movable plate (7) is slidably mounted on the outer sides of the four guide slide rods (2), four blocking side plates (10) are slidably mounted at the top of the base (1), a cavity (11) is formed in the base (1), four spiral rods (15) are rotatably mounted in the cavity (11), and a sliding bottom block (14) is in threaded connection with the outer sides of the four spiral rods (15, narrow blocks (13) are fixedly mounted at the tops of the four sliding bottom blocks (14), and the four narrow blocks (13) are fixedly mounted at the bottoms of the four blocking side plates (10) respectively.

2. The special testing device for the subway rescue air bag according to claim 1, wherein the top inner wall of the cavity (11) is fixedly provided with a motor (17), an output shaft of the motor (17) is fixedly provided with a main gear (18), one ends of the four spiral rods (15) close to each other are fixedly provided with auxiliary gears (19), and the four auxiliary gears (19) are meshed with the main gear (18).

3. The special testing device for the subway rescue air bag according to claim 1, wherein four strip-shaped holes (12) are symmetrically formed in the top of the base (1), the four strip-shaped holes (12) are all communicated with the cavity (11), and four narrow blocks (13) are respectively in sliding connection with the four strip-shaped holes (12).

4. The special testing device for the subway rescue air bag according to claim 1, wherein the top ends of the four guide sliding rods (2) are fixedly provided with the same fixed upper plate (9), the bottom of the fixed upper plate (9) is fixedly provided with an electric push rod (8), and an output shaft of the electric push rod (8) is fixedly connected with the top of the movable plate (7).

5. The special testing device for the subway rescue air bag according to claim 1, wherein four bearings (16) are fixedly installed on the inner wall of the bottom of the cavity (11), and four screw rods (15) are respectively and fixedly installed with the inner rings of the four bearings (16).

6. The special testing device for the subway rescue air bag according to claim 1, wherein the elastic pressure plate (5) is assembled with a pressure input end of the pressure sensor (6), a shell of the pressure sensor (6) is assembled or attached to the movable plate (7), and a signal of the pressure sensor (6) is connected into an industrial personal computer so as to detect the pressure applied to the elastic pressure plate (5).