CN210346579U

CN210346579U - Flatness detection device for gearbox shell

Info

Publication number: CN210346579U
Application number: CN201921613672.4U
Authority: CN
Inventors: 黄先波; 雷波; 文国
Original assignee: SUIZHOU SHENGXING MACHINERY CO Ltd
Current assignee: SUIZHOU SHENGXING MACHINERY CO Ltd
Priority date: 2019-09-26
Filing date: 2019-09-26
Publication date: 2020-04-17
Anticipated expiration: 2029-09-26

Abstract

The utility model discloses a gearbox housing's plane degree detection device belongs to gearbox housing and detects technical field, can't fix a position gearbox housing when having solved the transmission and lead to influencing the problem that detects. It includes workstation and percentage table, the workstation on be equipped with the location axle with the bearing frame inner bore looks adaptation of gearbox casing, location epaxial side be equipped with the threaded rod that the diameter is less than the diameter of location axle, the threaded rod on screwed connection have the swivel nut, the swivel nut lower part cup jointed swivel bearing, still screwed connection has lock nut on the threaded rod of swivel nut top, the swivel bearing outer wall be equipped with the connecting plate, percentage table slidable mounting on the connecting plate, just axle sleeve one side of percentage table still is connected with the mounting panel, mounting panel one end be equipped with and beat the pen. The utility model discloses a flatness detection device can effectively fix a position gearbox housing, prevents that it from rocking, beat to the percentage table of being convenient for carries out the multiple spot and measures.

Description

Flatness detection device for gearbox shell

Technical Field

The utility model relates to a gearbox housing detects technical field, and more specifically says, it relates to a gearbox housing's flatness detection device.

Background

The gearbox is a speed changer achieving speed change and torque change in a hydraulic transmission and gear combination mode, and generally comprises gears, a shaft, bearings, a box body and a shell. In order to facilitate assembly, the shell and the box body are usually of split structures, a gear, a shaft and a bearing are installed on the box body, the shell is covered and fixed on the box body, and the top surface of the box body and the bottom surface of the shell are attached to each other to achieve a sealing effect. However, since the attachment surface of the housing is irregular and the back surface is also a concave-convex surface, the flatness detection of the gearbox housing is troubled by technicians.

The traditional gearbox shell flatness detection generally adopts a dial indicator to detect, the shell is arranged on a workbench, a bearing seat end face on the back face of the shell is in plane contact with the workbench, then a plurality of points of a shell binding face are respectively measured by the dial indicator, and finally the flatness of the shell binding face is analyzed through the measured values of the plurality of measuring points. In the traditional measuring method, because the bearing seat end face on the back of the shell is used for supporting, in actual measurement, the shell is easy to shake and deflect, and the problem of influence on detection is caused.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is not enough to the above-mentioned of prior art, provides a flatness detection device of gearbox casing, can effectively fix a position gearbox casing, prevents that it from rocking, beat to the percentage table of being convenient for carries out the multiple spot and measures.

The technical scheme of the utility model is like this: the utility model provides a plane degree detection device of gearbox casing, includes workstation and percentage table, the workstation on be equipped with the location axle of the bearing frame interior pore looks adaptation of gearbox casing, location epaxial side be equipped with the diameter and be less than the threaded rod of the diameter of location axle, the threaded rod on spin have connect the swivel nut, the swivel nut lower part cup jointed rolling bearing, the threaded rod of swivel nut top has still connect lock nut soon on, the rolling bearing outer wall be equipped with the connecting plate, percentage table slidable mounting on the connecting plate, just axle sleeve one side of percentage table still is connected with the mounting panel, mounting panel one end be equipped with the pen of dotting, the nib of the pen of dotting and the gauge head looks parallel and level of percentage table.

As a further improvement, the connecting plate is provided with a sliding hole which is arranged along the axial direction of the connecting plate, the dial indicator is inserted in the sliding hole in a sliding mode, and guide assemblies are arranged on two sides of the dial indicator.

Further, the guide assembly comprises two T-shaped sliding blocks, a T-shaped sliding groove and a connecting rod, one end of the connecting rod is connected with a shaft sleeve of the dial indicator, the T-shaped sliding blocks are connected with the other end of the connecting rod, the T-shaped sliding grooves are formed in the connecting plates on two sides of the sliding hole, and the T-shaped sliding blocks are slidably mounted in the T-shaped sliding grooves.

Furthermore, a handle is further arranged on one side of the shaft sleeve of the dial indicator.

Furthermore, a plurality of supporting legs are further arranged below the workbench.

Advantageous effects

Compared with the prior art, the utility model, have following advantage:

1. the utility model discloses a flatness detection device through set up location axle grafting location gearbox casing on the workstation, can effectively fix a position gearbox casing, prevents that it from rocking, beat, ensures to detect the precision to through at the epaxial threaded rod of setting up in location, swivel nut, bearing, connecting plate installation percentage table, and utilize lock nut to realize the locking to the percentage table height, satisfy the requirement that the percentage table is rotatory, radial movement, thereby the percentage table of being convenient for carries out the multiple spot and measures.

2. The utility model discloses a flatness detection device, through set up the pen of hitting on one side of the percentage table, when each detection point is measured, mark this position, effectively prevent to measure the problem in disorder, more help discovering the place that flatness error range is big.

3. The utility model discloses a plane degree detection device, the radial displacement of its percentage table adopts the sliding mode of slide opening to utilize the T shape slider and the T shape spout complex guide mode of both sides, when being convenient for slide the percentage table, effectively improve its gliding stationarity.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

FIG. 3 is an enlarged view of the structure at B in FIG. 1;

fig. 4 is a schematic side view of the middle connection plate of the present invention.

Wherein: 1-workbench, 2-dial indicator, 3-gearbox shell, 4-bearing seat, 5-positioning shaft, 6-threaded rod, 7-threaded sleeve, 8-rotary bearing, 9-locking nut, 10-connecting plate, 11-mounting plate, 12-dotting pen, 13-sliding hole, 14-T-shaped sliding block, 15-connecting rod, 16-handle and 17-supporting leg.

Detailed Description

The invention will be further described with reference to specific embodiments shown in the drawings.

Referring to fig. 1-4, the utility model discloses a flatness detection device for a transmission housing, which comprises a workbench 1 and a dial indicator 2, wherein a positioning shaft 5 matched with an inner hole of a bearing seat 4 of the transmission housing 3 is arranged on the workbench 1, the transmission housing 3 is positioned on the workbench 1 by matching the positioning shaft 5 with the inner hole of the bearing seat 4, a threaded rod 6 with a diameter smaller than that of the positioning shaft 5 is arranged above the positioning shaft 5, the threaded rod 6 with a small diameter can ensure that the transmission housing 3 is inserted into the positioning shaft 5, a threaded sleeve 7 is screwed on the threaded rod 6, a rotating bearing 8 is sleeved on the lower part of the threaded sleeve 7, a locking nut 9 is screwed on the threaded rod 6 above the threaded sleeve 7 for compressing the threaded sleeve 7 and preventing the threaded sleeve from rotating along with the dial indicator 2, a connecting plate 10 is arranged on the outer wall of the rotating bearing 8, wherein, the dial indicator 2 is slidably arranged on the connecting plate, promptly the percentage table 2 can be followed connecting plate 10 endwise slip to in order to adjust the radial position of percentage table 2, and the axle sleeve one side of percentage table 2 still is connected with mounting panel 11, is equipped with the pen of dotting 12 in this mounting panel 11 one end, and this pen of dotting 12 is the industry pen of dotting, and its model is: sharpie 37001, and the nib of the dotting pen 12 is parallel and level with the gauge head of the percentage table 2, so that when the gauge head of the percentage table 2 contacts with the binding surface of the gearbox housing 3, the nib of the dotting pen 12 also contacts at the same time, and the dotting mark of the detection point is realized. The utility model discloses a flatness detection device is through setting up the pen of hitting on one side of the percentage table, in each detection point measuring, marks this position, effectively prevents to measure the problem in disorder, more helps discovering the place that the flatness error range is big.

Preferably, the connecting plate 10 is provided with a sliding hole 13 arranged along the axial direction of the connecting plate, wherein the dial indicator 2 is inserted in the sliding hole 13 in a sliding manner, and two sides of the dial indicator 2 are provided with guide components; this direction subassembly includes two T shape sliders 14, T shape spout and connecting rod 15, wherein, the axle sleeve connection of connecting rod 15 one end and percentage table 2, T shape slider 14 is connected with the other end of connecting rod 15, T shape spout is seted up on the connecting plate 10 of slide opening 13 both sides, and T shape slider 14 slidable mounting is in T shape spout, the sliding mode of slide opening is adopted in the radial displacement of its percentage table, and utilize the T shape slider and the T shape spout complex guide mode of both sides, when being convenient for slide the percentage table, effectively improve its gliding stationarity.

Preferably, a handle 16 is further arranged on one side of the shaft sleeve of the dial indicator 2, so that the dial indicator 2 can be pulled to move and rotate conveniently.

Preferably, still be equipped with a plurality of supporting legs 17 below workstation 1, improve workstation 1's stability, the technical staff of being convenient for operates.

When the gearbox shell flatness detection device is used, the lock nut 9 and the threaded sleeve 7 are loosened to be separated from the threaded rod 6; then the gearbox shell 3 is spliced and positioned on the workbench 1 through the inner hole of the bearing seat 4 and the positioning shaft 5, the threaded sleeve 7 is screwed on the threaded rod 6 until the measuring head of the dial indicator 2 is contacted with the binding surface of the gearbox shell 3, the threaded sleeve 7 is kept still, the locking nut 9 is screwed on the threaded rod 6, the locking nut 9 is bonded on the threaded sleeve 7, the threaded sleeve 7 is locked on the threaded rod 6, and finally the dial indicator 2 can be pushed to rotate or move, so that the measurement of a plurality of detection points is realized. The utility model discloses a flatness detection device through set up location axle grafting location gearbox casing on the workstation, can effectively fix a position gearbox casing, prevents that it from rocking, beat, ensures to detect the precision to through at the epaxial threaded rod of setting up in location, swivel nut, bearing, connecting plate installation percentage table, and utilize lock nut to realize the locking to the percentage table height, satisfy the requirement that the percentage table is rotatory, radial movement, thereby the percentage table of being convenient for carries out the multiple spot and measures.

The above is only the preferred embodiment of the present invention, and it should be noted that for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which will not affect the utility model and the utility of the patent.

Claims

1. The utility model provides a plane degree detection device of transmission housing, includes workstation (1) and percentage table (2), its characterized in that, workstation (1) on be equipped with location axle (5) of bearing frame (4) hole looks adaptation of transmission housing (3), location axle (5) top be equipped with diameter and be less than threaded rod (6) of the diameter of location axle (5), threaded rod (6) on screwed joint swivel nut (7), swivel nut (7) lower part cup jointed rolling bearing (8), threaded rod (6) on swivel nut (7) top still screwed joint lock nut (9), rolling bearing (8) outer wall be equipped with connecting plate (10), percentage table (2) slidable mounting on connecting plate (10), just axle sleeve one side of percentage table (2) still is connected with mounting panel (11), mounting panel (11) one end be equipped with and beat pen (12), the pen point of the dotting pen (12) is flush with the measuring head of the dial indicator (2).

2. The device for detecting the flatness of the gearbox shell as claimed in claim 1, wherein the connecting plate (10) is provided with a sliding hole (13) arranged along the axial direction of the connecting plate, the dial indicator (2) is inserted into the sliding hole (13) in a sliding manner, and guide components are arranged on two sides of the dial indicator (2).

3. The device for detecting the flatness of the gearbox shell according to claim 2, wherein the guide assembly comprises two T-shaped sliding blocks (14), a T-shaped sliding groove and a connecting rod (15), one end of the connecting rod (15) is connected with a shaft sleeve of the dial indicator (2), the T-shaped sliding blocks (14) are connected with the other end of the connecting rod (15), the T-shaped sliding grooves are formed in the connecting plates (10) on two sides of the sliding hole (13), and the T-shaped sliding blocks (14) are slidably mounted in the T-shaped sliding grooves.

4. The device for detecting the flatness of the gearbox shell as recited in claim 1, characterized in that a handle (16) is further arranged on one side of a shaft sleeve of the dial indicator (2).

5. A gearbox housing flatness detecting means according to any of claims 1-4, characterized in that a plurality of support legs (17) are provided under the working platform (1).