CN216791550U

CN216791550U - Middle axle housing rear cover airtightness detection tool

Info

Publication number: CN216791550U
Application number: CN202220098233.XU
Authority: CN
Inventors: 申凤哲
Original assignee: Ji'an Automobile Parts Suzhou Co ltd
Current assignee: Ji'an Automobile Parts Suzhou Co ltd
Priority date: 2022-01-14
Filing date: 2022-01-14
Publication date: 2022-06-21
Anticipated expiration: 2032-01-14

Abstract

The utility model discloses a middle axle housing rear cover air tightness detection tool which comprises a base, wherein universal wheels are arranged at the bottom end of the base, a control box is fixedly arranged on the base, a rotating rod is inserted into the control box, a first conical gear is fixedly arranged on the rotating rod, a shaft seat is arranged in the control box, a threaded rod is inserted into the shaft seat, a second conical gear is fixedly arranged on the threaded rod, a sleeve block is sleeved on the threaded rod, an arm rod is fixedly arranged on the sleeve block, a detection table is fixedly arranged on the arm rod, a pressure gauge is arranged on the detection table, a display control device is fixedly arranged on the detection table, a pressure plate is arranged at the bottom end of the detection table, and an inflation tube is arranged on the detection table. This kind of well axle housing rear cover gas tightness detects frock, the centering axle housing rear cover that can stabilize more is fixed, has higher practical value.

Description

Middle axle housing rear cover airtightness detection tool

Technical Field

The utility model relates to the technical field of middle axle housing processing, in particular to a middle axle housing rear cover air tightness detection tool.

Background

The middle axle is generally connected with the rear axle through a suspension and a frame, the two ends of the middle axle are provided with automobile wheels, the function of the middle axle is to transmit acting force between the frame or a bearing type automobile body and the wheels in all directions, and the middle axle is composed of a speed reducer assembly, an axle housing assembly, a brake assembly and a hub brake drum assembly.

Compared with patent CN208026439U, the air tightness detection tool for the rear cover of the middle axle housing comprises a bottom plate, 7 supporting and positioning blocks and a detection unit, wherein the air tightness of a workpiece is detected through the inflation of the detection unit; the fixed clamping part on the detection platform has been simplified to the frock, reform transform original whole panel turnover mechanism into a clamp plate, the last space of having simplified detection platform occupies, practice thrift the cost, it adopts the support location piece to fix the back lid mostly to reach to aerify the gas tightness that detects shell back lid bearing hole fast and portably when detecting, this fixed mode takes place not hard up easily when detecting, therefore we improve this, provide a well axle housing back lid gas tightness and detect frock.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model relates to a middle axle housing rear cover air tightness detection tool, which comprises a base, wherein universal wheels are arranged at the bottom end of the base, a control box is fixedly arranged on the base, a rotating rod is inserted in the control box, a first conical gear is fixedly arranged on the rotating rod, a shaft rod seat is arranged in the control box, a threaded rod is inserted in the shaft rod seat, a second conical gear is fixedly arranged on the threaded rod, a sleeve block is sleeved on the threaded rod, an arm rod is fixedly arranged on the sleeve block, a detection table is fixedly arranged on the arm rod, a pressure gauge is arranged on the detection table, a display control device is fixedly arranged on the detection table, a pressure plate is arranged at the bottom end of the detection table, an inflation tube is arranged on the pressure plate, a processing table is arranged on the base, a telescopic rod is hinged on the base, a fixed rod is hinged on the telescopic rod, and the fixed rod is fixedly connected to the pull rod, the pull rod is hinged to the rotating shaft, the rotating shaft is hinged to the inside of the processing table, and a clamping block is fixedly mounted on the rotating shaft.

As a preferred technical scheme of the utility model, a sliding groove is arranged in the control box, and the sliding groove and the sleeve block form a sliding structure.

As a preferred technical scheme of the utility model, a servo motor is fixedly arranged in the control box, and the output end of the servo motor is in transmission connection with the rotating rod.

As a preferred technical scheme of the utility model, a groove structure is arranged in the control box, and the top end of the threaded rod is inserted in the groove.

As a preferable technical solution of the present invention, the first bevel gear and the second bevel gear are engaged with each other, and the first bevel gear and the second bevel gear constitute a rotary structure.

As a preferred technical scheme of the utility model, the sleeve block is internally provided with internal threads, and the sleeve block and the threaded rod form a spiral rotating structure.

The utility model has the beneficial effects that:

1. according to the air tightness detection tool for the rear cover of the middle axle housing, the fixed rod is moved by pushing of the telescopic rod to drive the pull rod to move, the rotating shaft is hinged inside the processing table, the clamping block is fixedly mounted on the rotating shaft, the clamping block is clamped and fixed on the rear cover of the middle axle housing by pushing of the pull rod, and the rubber gasket is arranged inside the processing table to prevent air leakage during detection;

2. this kind of well axle housing rear cover gas tightness detects frock, the pressure disk is narrow down and goes up wide conical surface, and the conical surface lower extreme is less than and inserts well axle housing rear cover bearing hole diameter, and the conical surface upper end is greater than well axle housing rear cover bearing hole diameter, therefore the pressure disk lower extreme inserts well axle housing rear cover bearing downthehole, and the two abundant close contact cooperation of the upper end can be guaranteed and the gas is not leaked, can directly read out the numerical value of this well axle housing rear cover's detection through showing controlling means.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a perspective view of a tooling for detecting the airtightness of a rear cover of an axle housing according to the present invention;

FIG. 2 is a schematic structural diagram of a front cross section of a control box of the air tightness detection tool for the rear cover of the axle housing of the utility model;

FIG. 3 is a schematic view of a cross-sectional top view of a machining table of the air tightness detection tool for the rear cover of the axle housing according to the utility model;

fig. 4 is an enlarged structural schematic diagram of a part a in fig. 1 of the air tightness detection tool for the rear cover of the intermediate axle housing.

In the figure: 1. a base; 101. a universal wheel; 102. a control box; 103. a servo motor; 104. a rotating rod; 105. a first bevel gear; 106. a spindle base; 107. a threaded rod; 108. a second bevel gear; 2. sleeving a block; 201. an arm lever; 202. a detection table; 203. a pressure gauge; 205. a display control device; 206. a platen; 207. an inflation tube; 3. a processing table; 301. a telescopic rod; 302. fixing the rod; 303. a pull rod; 304. a rotating shaft; 305. and (7) clamping blocks.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example (b): as shown in fig. 1-4, the air tightness detection tool for the rear cover of the middle axle housing comprises a base 1, wherein a universal wheel 101 is arranged at the bottom end of the base 1, a control box 102 is fixedly arranged on the base 1, a rotating rod 104 is inserted in the control box 102, a first bevel gear 105 is fixedly arranged on the rotating rod 104, a shaft rod seat 106 is arranged in the control box 102, a threaded rod 107 is inserted in the shaft rod seat 106, a second bevel gear 108 is fixedly arranged on the threaded rod 107, a sleeve block 2 is sleeved on the threaded rod 107, an arm 201 is fixedly arranged on the sleeve block 2, a detection table 202 is fixedly arranged on the arm 201, a pressure gauge 203 is arranged on the detection table 202, a display control device 205 is fixedly arranged on the detection table 202, a pressure plate 206 is arranged at the bottom end of the detection table 202, an air charging tube 207 is arranged on the pressure plate 206, a processing table 3 is arranged on the base 1, and a telescopic rod 301 is hinged on the base 1, the telescopic rod 301 is hinged with a fixing rod 302, the fixing rod 302 is fixedly connected to a pull rod 303, the pull rod 303 is hinged to a rotating shaft 304, the rotating shaft 304 is hinged to the inside of the processing table 3, and a clamping block 305 is fixedly mounted on the rotating shaft 304.

Wherein, the inside spout that is provided with of control box 102, and spout and nest block 2 constitute slidingtype structure.

Wherein, the inside fixed mounting of control box 102 has servo motor 103, and servo motor 103's output and bull stick 104 transmission are connected.

Wherein, the inside recess structure that is provided with of control box 102, and the top of threaded rod 107 is inserted and is established in the recess.

The first bevel gear 105 is engaged with the second bevel gear 108, and the first bevel gear 105 and the second bevel gear 108 form a rotating structure.

Wherein, the inside internal thread that is provided with of collets 2, and collets 2 and threaded rod 107 constitute spiral rotary type structure.

The working principle is as follows: when the rear cover needs to be detected, the rear cover is placed into a processing table 3, then a telescopic rod 301 starts to push, a fixed rod 302 moves through pushing of the telescopic rod 301, the movement of the fixed rod 302 drives a pull rod 303 to move, the movement of the pull rod 303 drives a rotating shaft 304 to rotate, so that a clamping block 305 on the rotating shaft 304 can conveniently adjust the position, four groups of clamping blocks 305 are arranged on the clamping block 305, the clamping blocks 305 are conveniently clamped at the edge of the rear cover, then a servo motor 103 operates, a rotating rod 107 is driven to rotate through rotation of a rotating rod 104, a sleeve block 2 is conveniently rotated, the rotation of the sleeve block 2 drives a pressure plate detection table 202 to move downwards, 206 is a conical surface with a narrow lower part and a wide upper part, the lower end of the conical surface is smaller than the diameter of a bearing hole of the rear cover inserted into a middle axle housing, and the upper end of the conical surface is larger than the diameter of the bearing hole of the rear cover of the middle axle housing, therefore, the lower end of the pressure plate 206 is inserted into the bearing hole of the rear cover of the middle axle housing, the upper end of the pressure plate can ensure that the pressure plate and the pressure plate are in full close contact fit without air leakage, the inflation tube 207 penetrates through the pressure plate 206 and extends into the bearing hole of the rear cover of the middle axle housing, and the display control device 205 controls and checks the air tightness of the rear cover of the middle axle housing.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; 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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The middle axle housing rear cover air tightness detection tool comprises a base (1) and is characterized in that universal wheels (101) are installed at the bottom end of the base (1), a control box (102) is fixedly installed on the base (1), a rotating rod (104) is inserted into the control box (102), a first bevel gear (105) is fixedly installed on the rotating rod (104), a shaft rod seat (106) is installed inside the control box (102), a threaded rod (107) is inserted into the shaft rod seat (106), a second bevel gear (108) is fixedly installed on the threaded rod (107), a sleeve block (2) is sleeved on the threaded rod (107), an arm rod (201) is fixedly installed on the sleeve block (2), a detection table (202) is fixedly installed on the arm rod (201), a pressure gauge (203) is installed on the detection table (202), and a display control device (205) is fixedly installed on the detection table (202), examine the bottom of test table (202) and installed pressure disk (206), and pressure disk (206) facial make-up is equipped with gas tube (207), base (1) facial make-up is equipped with processing platform (3), and articulated on base (1) have telescopic link (301), articulated on telescopic link (301) have dead lever (302), and dead lever (302) fixed connection on pull rod (303), pull rod (303) articulate on pivot (304), and pivot (304) articulate inside processing platform (3), fixed mounting has fixture block (305) in pivot (304).

2. The tooling for detecting the airtightness of the rear cover of the intermediate axle housing as claimed in claim 1, wherein a sliding groove is arranged inside the control box (102), and the sliding groove and the sleeve block (2) form a sliding structure.

3. The tooling for detecting the airtightness of the rear cover of the intermediate axle housing as claimed in claim 1, wherein a servo motor (103) is fixedly installed inside the control box (102), and the output end of the servo motor (103) is in transmission connection with the rotating rod (104).

4. The tooling for detecting the airtightness of the rear cover of the intermediate axle housing as claimed in claim 1, wherein a groove structure is provided inside the control box (102), and the top end of the threaded rod (107) is inserted into the groove.

5. The tooling for detecting the airtightness of the rear cover of the intermediate axle housing as claimed in claim 1, wherein said first bevel gear (105) is engaged with said second bevel gear (108), and said first bevel gear (105) and said second bevel gear (108) constitute a rotary structure.

6. The tooling for detecting the airtightness of the rear cover of the intermediate axle housing as claimed in claim 1, wherein an internal thread is provided inside the sleeve block (2), and the sleeve block (2) and the threaded rod (107) form a spiral rotating structure.