CN214667494U

CN214667494U - Large-scale casing gas tightness machine of leaking hunting

Info

Publication number: CN214667494U
Application number: CN202120788811.8U
Authority: CN
Inventors: 张建猛; 刘毅; 孙亚飞
Original assignee: Ningbo Beilun Ovanste Precision Machinery Co ltd
Current assignee: Ningbo Beilun Ovanste Precision Machinery Co ltd
Priority date: 2021-04-19
Filing date: 2021-04-19
Publication date: 2021-11-09
Anticipated expiration: 2031-04-19

Abstract

The utility model relates to a large-scale casing gas tightness leak hunting machine, which comprises a base plate, base plate upper end mid-mounting has slide and drive slide gliding power cylinder around, four equal vertical guide arms of installing in corner department of base plate upper end, the roof is installed to four guide arm upper ends, the cover has gliding lifter plate from top to bottom on four guide arms, the vertical a plurality of air cylinders that push down that is provided with in roof upper end, the piston rod of air cylinder that pushes down links to each other with the lifter plate, casing pseudo-block and lower end cap are installed to the slide upper end, a plurality of resilient means are installed to the lifter plate lower extreme is vertical, wherein partial resilient means's lower extreme is connected with the end cap. The utility model discloses the location large-scale casing is accurate, and the shutoff of large-scale casing runner port is automatic, can not only reduce workman's the operation degree of difficulty, can also guarantee the precision that detects.

Description

Large-scale casing gas tightness machine of leaking hunting

Technical Field

The utility model relates to an air tightness detects technical field, especially relates to a large-scale casing gas tightness machine of leaking hunting.

Background

At present, vehicles are increasingly incorporated into the lives of ordinary households. Large-scale casing in the car all need carry out the gas tightness to casing inner flow way like transmission housing, motor casing and detect, and current detection is artifical the detection usually, and this kind of detection mode is not only inefficiency, detects the precision moreover lower.

Disclosure of Invention

The utility model aims to solve the technical problem that a large-scale casing gas tightness machine of leaking hunting is provided, large-scale casing location is accurate, and the shutoff of large-scale casing runner hole all is automatic, can not only reduce workman's the operation degree of difficulty, can also guarantee the precision that detects.

The utility model provides a technical scheme that its technical problem adopted is: the air-tight leakage detector for the large-scale shell comprises a base plate, wherein a sliding plate and a power cylinder for driving the sliding plate to slide back and forth are arranged in the middle of the upper end of the base plate, a guide rod is vertically arranged at each of four corners of the upper end of the base plate, a top plate is arranged at the upper end of each guide rod, a lifting plate which slides up and down is sleeved on each guide rod, a plurality of pressing cylinders are vertically arranged at the upper end of each top plate, piston rods of the pressing cylinders are connected with the lifting plates, a shell pseudo-shaped block and a lower plug are arranged at the upper end of each sliding plate, a plurality of elastic devices are vertically arranged at the lower end of each lifting plate, the lower ends of part of the elastic devices are connected with upper plugs, each elastic device comprises a guide cylinder, a guide pin and a spring, the guide cylinder is fixed at the lower end of each lifting plate, a guide pin which slides up and down within a certain range is arranged in the guide cylinder, and the lower ends of the guide pins penetrate through the guide cylinders and are connected with a baffle plate, a spring is sleeved between the lower end of the guide cylinder and the baffle plate on the guide pin, and a compression column is installed at the lower end of the baffle plate.

As right technical scheme a supplement, base plate upper end middle part install two slide rails side by side, this base plate upper end is located and has arranged two power cylinder side by side between two slide rails, slide slidable mounting on the slide rail, this slide lower extreme links to each other with power cylinder's piston rod.

As right technical scheme a supplement, base plate upper end be located and vertically arranged a plurality of stop device between two power cylinder, stop device include spacing cylinder, guide pin bushing and spacing bolt, the guide pin bushing vertical install in the base plate upper end, gliding spacing bolt about installing in this guide pin bushing, the base plate lower extreme install the spacing cylinder that links to each other with spacing bolt, the slide on seted up and supply spacing bolt male locating hole.

As right technical scheme a supplement, roof upper end be located down be provided with a plurality of jacking devices all around of end cap, jacking device include jacking seat, fore-set and side top cylinder, gliding fore-set about installing in this jacking seat, the fore-set lower extreme be slope form, jacking seat one side install side top cylinder, this side top cylinder one end is connected with the voussoir, the voussoir level insert in the jacking seat and be located the fore-set below.

As right technical scheme a supplement, casing simulation piece bottom, the upper portion of lower end cap and the lower part of last end cap all be provided with the sealing washer.

Has the advantages that: the utility model relates to a large-scale casing gas tightness leak hunting machine, large-scale casing location is accurate, and the shutoff of large-scale casing runner port and large-scale casing are ejecting all automatic moreover, can not only reduce workman's the operation degree of difficulty, can also guarantee the precision that detects. The utility model also has the advantages of convenient use, high safety and the like.

Drawings

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

fig. 2 is a schematic structural view of the base plate and the lifting plate according to the present invention;

fig. 3 is a schematic structural view of the elastic device according to the present invention;

fig. 4 is a schematic structural view of the limiting device of the present invention;

fig. 5 is a schematic structural diagram of the jacking device of the present invention.

The figure is as follows: 1. the device comprises a base plate, 2, a lifting plate, 3, a top plate, 4, a downward-pressing cylinder, 5, a limiting device, 6, a power cylinder, 7, a sliding plate, 8, a guide rod, 9, a sliding rail, 10, a positioning hole, 11, a shell pseudo-block, 12, a jacking device, 13, an upper plug, 14, an elastic device, 15, a lower plug, 16, a guide cylinder, 17, a guide pin, 18, a spring, 19, a baffle, 20, a compression column, 21, a limiting cylinder, 22, a guide sleeve, 23, a limiting plug, 24, a jacking seat, 25, a jacking column, 26, a wedge block, 27, a side-jacking cylinder, 28 and a sealing ring.

Detailed Description

The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.

The utility model discloses an embodiment relates to a large-scale casing gas tightness leak hunting machine, as shown in fig. 1-5, including base plate 1, base plate 1 upper end mid-mounting have slide 7 and drive slide 7 gliding power cylinder 6 around, the equal vertical guide arm 8 of installing in four corners department of base plate 1 upper end, roof 3 is installed to four 8 upper ends of guide arm, the cover has gliding lifter plate 2 from top to bottom on four guide arm 8, 3 upper ends of roof vertically be provided with a plurality of air cylinder 4 that push down, should push down the piston rod of air cylinder 4 and link to each other with

lifter plate

2, 7 upper ends of slide install casing pseudo-block 11 and

lower end cap

15, 2 lower extremes of lifter plate vertically install a plurality of resilient means 14, wherein part resilient means 14's lower extreme is connected with upper end cap 13.

Two slide rails 9 are installed side by side in the middle of the upper end of the base plate 1, two power cylinders 6 are arranged side by side between the two slide rails 9 at the upper end of the base plate 1, the sliding plate 7 is installed on the slide rails 9 in a sliding mode, and the lower end of the sliding plate 7 is connected with a piston rod of the power cylinder 6. The stability of the sliding plate 7 sliding back and forth is ensured through the sliding rail 9, and the two power cylinders 6 drive the sliding plate 7 to slide back and forth.

The upper end of the base plate 1 is positioned between two power cylinders 6, a plurality of limiting devices 5 are longitudinally arranged, each limiting device 5 comprises a limiting cylinder 21, a guide sleeve 22 and a limiting bolt 23, the guide sleeve 22 is vertically arranged at the upper end of the base plate 1, the limiting bolt 23 which slides up and down is arranged in the guide sleeve 22, the limiting cylinder 21 connected with the limiting bolt 23 is arranged at the lower end of the base plate 1, and a positioning hole 10 for inserting the limiting bolt 23 is formed in the sliding plate 7. The limiting devices 5 correspond to different fixing positions of the sliding plate 7 respectively, generally correspond to two positions, one position is a position for sliding out of the sliding plate 7 and is used for enlarging the shell, and when the other position is arranged, the sliding plate 7 moves to the position right below the lifting plate 2 and is used for compressing and sealing. The slide plate 7 is provided with a positioning hole 10, and after the slide plate reaches a designated position, a piston rod of the limiting cylinder 21 extends to enable the limiting bolt 23 to be inserted into the positioning hole 10, so that the position of the slide plate 7 is locked.

And sealing rings 28 are arranged at the bottom of the shell pseudo-block 11, the upper part of the lower plug 15 and the lower part of the upper plug 13.

Firstly, a large-scale shell is placed on a shell pseudo-block 11 at the upper end of a base plate 1, the inner cavity of the large-scale shell is sealed by the shell pseudo-block 11 and a sealing ring 28 on the shell pseudo-block 11, a runner hole at the lower part of the large-scale shell is blocked by a lower plug 15, then a power cylinder 6 is started to move the large-scale shell and a sliding plate 7 to the lower part of a lifting plate 2, then a limiting device 5 is started to fix the sliding plate 7, then a lower pressing cylinder 4 is started, a piston rod of the lower pressing cylinder 4 extends to enable the lifting plate 2 to move downwards, a plurality of elastic devices 14 are vertically arranged at the lower end of the lifting plate 2, the lower ends of partial elastic devices 14 are connected with upper plugs 13, the runner hole at the upper part is blocked by the upper plugs 13, the elastic devices 14 press the upper end of the large-scale shell, only one hole of the large-scale shell is connected with a leakage detection device through an air pipe, the leakage detection device charges air into the inner cavity of the large-scale shell, if the air pressure of the leakage detection equipment is within the approved value, the air pressure is qualified, otherwise, the air pressure is unqualified.

The elastic device 14 comprises a guide cylinder 16, a guide pin 17 and a spring 18, the guide cylinder 16 is fixed at the lower end of the lifting plate 2, the guide pin 17 which slides up and down in a certain range is installed in the guide cylinder 16, the lower end of the guide pin 17 penetrates through the guide cylinder 16 to be connected with a baffle plate 19, the spring 18 is sleeved between the lower end of the guide cylinder 16 and the baffle plate 19 on the guide pin 17, and the lower end of the baffle plate 19 is provided with a compression column 20. The inner hole of the guide cylinder 16 is slightly larger than the diameter of the guide pin 17, but the inner hole of the guide cylinder 16 is smaller than the diameter of the hat part of the guide pin 17, and the hat part of the guide pin 17 is positioned at the upper port of the guide cylinder 16, so the guide pin 17 can only slide up and down within a certain range. The lower end of the lifting plate 2 is provided with an inner groove for the cap part of the guide pin 17 to move, so that the moving space of the cap part of the guide pin 17 is ensured.

The top 3 upper end be located down end cap 15 be provided with a plurality of jacking devices 12 all around, jacking device 12 including jacking seat 24, fore-set 25 and side top cylinder 27, install gliding fore-set 25 from top to bottom in this jacking seat 24, fore-set 25 lower extreme be slope form, jacking seat 24 one side install side top cylinder 27, this side top cylinder 27 one end is connected with voussoir 26, voussoir 26 level insert in jacking seat 24 and be located the fore-set 25 below. The jack-up device 12 is used to jack up the detected large-sized housing, start the side jack-up cylinder 27, extend the piston rod of the side jack-up cylinder 27 to drive the wedge 26, and push the lower end face of the jack-up column 25 upward by the inclined face of the wedge 26.

Claims

1. The utility model provides a large-scale casing gas tightness leak hunting machine, includes base plate (1), its characterized in that: the improved pneumatic press is characterized in that a sliding plate (7) and a power cylinder (6) for driving the sliding plate (7) to slide back and forth are mounted in the middle of the upper end of a base plate (1), a guide rod (8) is vertically mounted at each of four corners of the upper end of the base plate (1), a top plate (3) is mounted at the upper end of each of four guide rods (8), a lifting plate (2) which slides up and down is sleeved on each of the four guide rods (8), a plurality of pressing cylinders (4) are vertically arranged at the upper end of each of the top plates (3), piston rods of the pressing cylinders (4) are connected with the lifting plates (2), a shell simulating block (11) and a lower plug (15) are mounted at the upper end of the sliding plate (7), a plurality of elastic devices (14) are vertically mounted at the lower end of the lifting plates (2), the lower ends of part of the elastic devices (14) are connected with upper plugs (13), and the elastic devices (14) comprise guide cylinders (16), Guide pin (17) and spring (18), guide cylinder (16) fix at lifter plate (2) lower extreme, install gliding guide pin (17) from top to bottom in certain extent in this guide cylinder (16), guide pin (17) lower extreme pass guide cylinder (16) and be connected with baffle (19), it has spring (18) to lie in on this guide pin (17) between guide cylinder (16) lower extreme and baffle (19), baffle (19) lower extreme install compression leg (20).

2. The large-scale shell airtightness leak detector according to claim 1, wherein: base plate (1) upper end middle part install two slide rails (9) side by side, this base plate (1) upper end is located and has arranged two power cylinder (6) side by side between two slide rails (9), slide (7) slidable mounting on slide rail (9), the piston rod of this slide (7) lower extreme and power cylinder (6) links to each other.

3. The large-scale shell airtightness leak detector according to claim 2, wherein: the upper end of the base plate (1) is located between two power cylinders (6) and is longitudinally provided with a plurality of limiting devices (5), each limiting device (5) comprises a limiting cylinder (21), a guide sleeve (22) and a limiting bolt (23), each guide sleeve (22) is vertically installed at the upper end of the base plate (1), the limiting bolts (23) which slide up and down are installed in the guide sleeves (22), the limiting cylinders (21) which are connected with the limiting bolts (23) are installed at the lower end of the base plate (1), and the sliding plate (7) is provided with positioning holes (10) for inserting the limiting bolts (23).

4. The large-scale shell airtightness leak detector according to claim 1, wherein: roof (3) upper end be located down end cap (15) be provided with a plurality of jacking devices (12) all around, jacking device (12) including jacking seat (24), fore-set (25) and side fore-set (27), install gliding fore-set (25) from top to bottom in this jacking seat (24), fore-set (25) lower extreme be slope form, jacking seat (24) one side install side fore-set (27), this side fore-set (27) one end is connected with voussoir (26), voussoir (26) level insert in jacking seat (24) and be located fore-set (25) below.

5. The large-scale shell airtightness leak detector according to claim 1, wherein: and sealing rings (28) are arranged at the bottom of the shell pseudo-block (11), the upper part of the lower plug (15) and the lower part of the upper plug (13).