CN208026442U - Gearbox internal meshing oil pump pump cover airtight detection device - Google Patents

Abstract

The utility model belongs to the detection device of machinery industry, more particularly to a kind of gearbox internal gearing oil pump pump cover air tightness detection apparatus.Including holder, detector frame, pressure sensor, air filter, rapid escape valve, four guiding axis of fixed symmetrical between the level frame one set above cabinet and level frame two, it is fixedly connected with hexagon socket head cap screw with gland in the interior centre bore of the top of shaft core, seal receptacle is fixed on hexagon socket head cap screw in the circular groove outside clamp body centre bore, the lower face of fixed seat is fixed on hexagon socket head cap screw below intermediate active plate, face cylinder is inserted by sealing ring in the stop collar two of sealing pressure head centre bore under fixed seat, jacking block is fixed in the lower face of face cylinder with hexagon socket head cap screw under fixed seat, the lower end of jacking block and the upper surface of the gland movable contact in stop collar two connect, three jacking cylinders are vertically equidistantly set in the edge of clamp body.Airtight detection can be carried out to the upper and lower end face of pump cover, the opening sealing of sagittal plane.

Description

Gearbox internal meshing oil pump pump cover airtight detection device

technical field

The utility model belongs to detection equipment in the machinery industry, in particular to an airtight detection device for a pump cover of an internal meshing oil pump in a gearbox.

Background technique

The pump cover of the gearbox internal meshing oil pump usually integrates multiple oil passages and needs to be sealed, and each oil passage has at least two openings on the pump cover. On the outer diameter and inner diameter of the valve, it is more difficult to seal these openings at the same time. If these oil passages are connected to each other or communicate with the outside world, it will cause the gearbox to fail to shift gears or more serious accidents. These oil passages cannot be detected by conventional oil pump performance tests.

Contents of the invention

The purpose of this utility model is to overcome the above-mentioned technical parts and groups, and provide an airtight detection device for the pump cover of the pump cover, which is easy to operate and reliable in performance.

The technical solution adopted by the utility model to solve the technical problem is: the airtight detection device for the oil pump cover in the gearbox includes a bracket, a detector frame, a press display screen, a pressure sensor, an air filter, a pressure regulating valve, a solenoid valve, a fast The exhaust valve and the cylinder are characterized in that four symmetrical guide shafts are fixed between the horizontal frame 1 and the horizontal frame 2 above the chassis, the upper plate is fixed at the upper end of the guide shaft, the bottom plate is fixed at the lower end of the guide shaft, and there is a In the middle movable plate, the clamp body is fixed with hexagon socket bolts on the bottom plate, and there is a gasket 2 on the clamp body. The bolts are fixedly connected with the gland, and the hexagon socket head bolts are surrounded by springs. The limit sleeve 2 is arranged on the periphery of the gland, and the limit sleeve 1 is arranged on the periphery of the limit sleeve 2. The periphery of the limit sleeve 1 is installed by a sealing ring. There is a sealing seat, and the sealing seat is fixed in the circular groove outside the center hole of the clamp body with an inner hexagon bolt, and a fixed seat is provided in the center hole of the middle movable plate, and the lower end surface of the fixed seat is fixed in the middle with an inner hexagon bolt. Under the plate, the lower end surface of the fixed seat is fixed and connected with the upper end surface of the sealing pressure head with hexagon socket bolts, and the cylinder under the fixed seat is inserted into the limit sleeve 2 in the center hole of the sealing pressure head through the sealing ring. The lower end surface of the column body is fixed with the hexagon socket bolt, and the lower end of the top block is connected with the upper end surface of the gland in movable contact connection in the limit sleeve 2, and the sealing gasket 1 is arranged on the lower end surface of the sealing pressure head, and the clamp body Three jacking cylinders are arranged vertically and equidistantly at the edge.

The beneficial effect of the utility model is that the airtight detection device for the pump cover of the gearbox inner meshing oil pump can perform airtight detection on the opening seals of the upper and lower end faces and the radial face of the pump cover, has reliable performance, is easy to operate, and saves manpower and time .

Description of drawings

The following will be described in detail with embodiments in conjunction with the accompanying drawings.

Figure 1 is a structural diagram of the airtight detection device for the pump cover of the internal meshing oil pump of the gearbox.

Fig. 2 is an enlarged view of the structure between the base plate and the middle movable plate in Fig. 1 .

In the figure, 1-press display screen; 2-pressure sensor; 3-transition joint; 4-air tightness detector; 5-detector frame; 6-foot; 7-bracket; 7-2-horizontal frame two; 8-air filter; 9-pressure regulating valve; 10-quick exhaust valve; 11-solenoid valve; 12-bottom plate; 13-card specific; 14-pump cover to be tested; Pump cover shaft to be tested; 16-seal pressure head; 17-middle movable plate; 18-guide shaft; 19-upper plate; 20-cylinder; 21-cylinder pressure gauge; 22-fixed seat; Top block; 25-spring; 26-gland; 27-limiting sleeve one; 28-limiting sleeve two; 29-shaft core; 30-sealing seat; 31-gasket two; 32-gasket one; Lift the cylinder.

Detailed ways

Embodiment, with reference to the accompanying drawings 1-2, the airtight detection device for the gear box internal meshing oil pump pump cover is screwed to the feet 6 under the four corners of the bracket 7, and a chassis is arranged on the horizontal seat below the bracket 7, and a fixed device is installed in the chassis. There are air filter 8 , pressure regulating valve 9 , solenoid valve 11 and quick exhaust valve 10 . Four symmetrical guide shafts 18 are fixed between the horizontal frame one 7-1 and the horizontal frame two 7-2 established on the top of the cabinet, the upper plate 19 is fixed at the upper end of the guide shaft 18, and the bottom plate 12 is fixed at the lower end of the guide shaft 18. The middle part is provided with an intermediate movable plate 17, on the base plate 12, fix the clamp body 13 with hexagon socket bolts, and on the clamp body 13, a gasket 2 31 is arranged, and the shaft core 29 is fixed with the hexagon socket bolts in the center hole of the base plate 12. 29 is fixedly connected with the gland 26 with the hexagon socket bolt in the inner center hole above the top of the 29, and the hexagon socket bolt periphery is set with a spring 25, and the periphery of the gland 26 is provided with a limit sleeve two 28, and on the periphery of the limit sleeve two 28 There is a limit sleeve one 27, and the periphery of the limit sleeve one 27 is equipped with a seal seat 30 through a sealing ring, and the seal seat 30 is fixed in the circular groove outside the center hole of the clamp body 12 with an inner hexagon bolt, and the outer periphery of the inner hexagon bolt Set has spring 25. A fixed seat 22 is arranged in the center hole of the middle movable plate 17, and the lower end surface of the fixed seat 22 is fixedly connected to the upper end surface of the sealing pressure head 16 with an inner hexagonal bolt, and the lower cylinder of the fixed seat 22 is inserted into the sealing pressure by a sealing ring. In the limit sleeve 2 28 in the center hole of the head 16, a sealing block 23 is provided at the connection between the center hole of the sealing head 16 and the fixing seat 22. The lower end surface of the cylinder below the fixed seat 22 is fixed with an inner hexagonal bolt 24, and the lower end of the top block 24 is connected with the upper end surface of the gland 26 in movable contact in the spacer sleeve 228, and the lower end surface of the sealing pressure head 16 A sealing gasket 1 32 is provided, and three jacking cylinders 33 are arranged vertically and equidistantly at the edge of the clamp body 13 . A transition joint 3 is provided above the central hole of the middle movable plate 17, a pressure sensor 2 is provided above the transition joint 3, and a cylinder 20 is passed through the center of the horizontal plate 2 7-2 at the center above the upper plate 19. The periphery of 20 is equipped with cylinder pressure gauge 21. The right side of support 7 is provided with tester frame 5, is provided with airtight tester 4 above tester frame 5, fixes press display screen 1 on the right side above support 7. The pump cover 14 to be detected is clamped on the clamp body 13, and the center of the pump cover 14 to be detected is provided with a hollow detection pump cover assembly shaft 15, which is assembled with the sealing head 16 and the clamp body 13 by the assembly shaft 15.

The working process of the airtight detection device for the pump cover of the internal meshing oil pump of the gearbox is as follows: Attachment 1 of the pump cover airtight detection device for the internal meshing oil pump of the gearbox is in a non-working state. The assembly shaft 15 is installed above the clamp body 13, and the sealing pressure head 16 is pressed against the pump cover 14 through the cylinder 20 by a press, and the sealing ring, the first gasket 32 and the second gasket 31 are compressed and deformed to block the pump cover 14 Each of the channels, to complete the sealing process. Press the button of the air tightness detector 4 to start detecting whether each channel of the pump cover 14 leaks and the amount of leakage, if the leakage of a certain channel exceeds the required range, the detector 4 reports to the police. After the detection is completed, press the end button of the press, the sealing head 16 moves up, the sealing ring is loosened, and the pump cover 14 is pushed away by the jacking cylinder 33, and the pump cover 14 is taken out.

Claims (4)

1. a kind of gearbox internal gearing oil pump pump cover air tightness detection apparatus, including holder（7）, detector frame（5）, forcing press shows Screen（1）, pressure sensor（2）, air filter（8）, pressure regulator valve（9）, solenoid valve（11）, rapid escape valve（10）, cylinder （20）, it is characterised in that the level frame one set above cabinet（7-1）With level frame two（7-2）Between four of fixed symmetrical Guiding axis（18）, in guiding axis（18）Upper plate is fixed in upper end（19）, guiding axis（18）Lower end fix bottom plate（12）, middle part is equipped with Intermediate active plate（17）, in bottom plate（12）Use hexagon socket head cap screw geometrical clamp specific above（13）, corresponding bottom plate（12）Centre bore is used Hexagon socket head cap screw fixes shaft core（29）, in shaft core（29）Top interior centre bore in use hexagon socket head cap screw and gland（26）It is fixed Connection, stop collar one（27）Periphery by sealing ring be equipped with seal receptacle（30）, seal receptacle（30）It is fixed on hexagon socket head cap screw Clamp body（13）In circular groove outside centre bore, spring is set in hexagon socket head cap screw periphery（25）, in intermediate active plate （17）Centre bore in be equipped with fixed seat（22）, fixed seat（22）Lower face be fixed on intermediate active plate with hexagon socket head cap screw （17）Below, in fixed seat（22）Lower face hexagon socket head cap screw fixed connection and sealing pressure head（16）Upper surface, it is fixed Seat（22）Lower face cylinder is inserted into sealing pressure head by sealing ring（16）The stop collar two of centre bore（28）In, in fixed seat（22） Jacking block is fixed in the lower face of lower face cylinder with hexagon socket head cap screw（24）, jacking block（24）Lower end and gland upper surface in stop collar Two（28）Interior movable contact connection, in clamp body（13）Edge vertically equidistantly set three jacking cylinders（33）.

2. gearbox internal gearing oil pump pump cover air tightness detection apparatus according to claim 1, which is characterized in that in clamp body （13）It is equipped with gasket two above（31）.

3. gearbox internal gearing oil pump pump cover air tightness detection apparatus according to claim 1, which is characterized in that in gland （26）Periphery be equipped with stop collar two（28）, in stop collar two（28）Periphery be equipped with stop collar one（27）.

4. gearbox internal gearing oil pump pump cover air tightness detection apparatus according to claim 1, which is characterized in that pressed in sealing Head（16）Lower face be equipped with gasket one（32）.