Differential shell size detection equipment

Abstract

The utility model discloses a differential housing dimension detection device, and relates to the technical field of differential housing detection. The device comprises a length measuring station formed by a U-shaped carrier frame and two mobile sensor mounting plates, and an aperture measuring station formed by two limiting vertical plates with lower notches and a pneumatic inner diameter measuring head of a pneumatic measuring instrument on the mounting frame. A differential shell placed on an arc-shaped supporting plate is lifted through a lifting mechanism, and a transverse movement driving structure is matched with a guide rail to transversely move a first displacement sensor mounting plate, so that displacement sensors mounted on the two displacement sensor mounting plates abut against the outer contour of an end hole of the differential shell; therefore, the overall length of the differential shell is detected. The arc-shaped supporting plate on the arc-shaped supporting plate is taken out and then placed on the two limiting vertical plates, the height of the pneumatic inner diameter measuring head of the pneumatic measuring instrument is manually adjusted, the detection equipment is simple in structure, easy and convenient to operate and high in precision, and detection data can be displayed in real time.

Description

Technical Field

[0001] The utility model belongs to the technical field of differential housing detection, in particular to a differential housing size detection device. Background Art

[0002] The differential case is the outer shell of the differential and is used to install parts such as planetary gears and axle gears. Due to its special shape, the size of the differential case needs to be tested after production to determine whether the differential case is qualified.

[0003] The size measurement of the differential case includes the case length measurement and the differential case hole inner diameter measurement. Currently, the case length measurement and the hole inner diameter measurement are respectively detected by manual handheld measuring instruments, which is relatively inefficient. There are also automated detection equipment, such as a differential case detection device disclosed in CN115855222A, which has a complex structure, and the differential case is placed vertically, and can only measure the hole inner diameter at one end. Therefore, the technical solution proposes a differential case size detection device with a simple structure, high measurement accuracy and easy use. Utility Model Content

[0004] The utility model provides a differential housing size detection device, which includes a length measuring station composed of a U-shaped carrier and two movable sensor mounting plates on both sides, and an aperture measuring station composed of two limit vertical plates with lower notches and a pneumatic inner diameter probe of a pneumatic measuring instrument on the mounting frame; a lifting mechanism is used to lift the differential housing placed on an arc-shaped supporting plate, and the differential housing is placed on the notches above the vertical plates on both sides of the U-shaped carrier to keep it stable; a transverse driving structure is used to cooperate with a guide rail to transversely move the first displacement sensor mounting plate, so that the displacement sensors installed on the two displacement sensor mounting plates The device conflicts with the outer contour of the end hole of the differential case, thereby detecting the overall length of the differential case; the arc support plate on the arc support plate is taken out and placed on two limit vertical plates, and the height of the pneumatic inner diameter probe of the pneumatic measuring instrument is manually adjusted to make it face one end hole of the differential case, and the other end hole is measured after the probe is removed and the order is changed; the detection data results can be displayed in real time on the display; the detection equipment only removes and places the differential case, and can be tested in batches, and the detection equipment has a simple structure, easy operation, high accuracy, and can display the detection data in real time; in summary, the problems in the background technology are solved.

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model discloses a differential housing size detection device, comprising a frame with a support platform, wherein a length measuring station and an aperture measuring station are installed on the surface of the support platform;

[0007] The length measuring station comprises a U-shaped carrier of a differential housing, a guide rail fixedly installed transversely on one side of the U-shaped carrier, a first displacement sensor mounting plate slidably mounted on the guide rail through a bottom slider, a second displacement sensor mounting plate fixedly installed on the other side of the U-shaped carrier, an arc-shaped support plate arranged in the bottom opening of the U-shaped carrier to lift the differential housing, and a lifting mechanism installed at the bottom of the arc-shaped support plate to lift the differential housing; the two ends of the differential housing lie on the notches above the vertical plates on both sides of the U-shaped carrier, so that the outer contours of the holes at the two ends correspond to the displacement sensors with springs on the first displacement sensor mounting plate and the second displacement sensor mounting plate;

[0008] The aperture measuring station includes two vertically arranged limit vertical plates with lower notches on the tops, and a pneumatic inner diameter measuring head of a pneumatic measuring instrument arranged in front of one of the limit vertical plates and mounted by a mounting frame. The pneumatic inner diameter measuring head of the pneumatic measuring instrument is directly opposite to the end holes of the differential housing placed on the two limit vertical plates.

[0009] Furthermore, a transverse driving structure is provided at the bottom of the first displacement sensor mounting plate, and the transverse driving structure uses a cylinder, an oil cylinder or a lead screw in cooperation with a ball nut fixed at the bottom of the first displacement sensor mounting plate to perform transverse movement.

[0010] Furthermore, a guide rod structure with a guide sleeve is provided at the bottom of the arc-shaped support plate.

[0011] Furthermore, the displacement sensors are arranged in a circle.

[0012] Furthermore, a downward pressure buffer column with a spring at the bottom is vertically provided on the support platform between the two limit vertical plates.

[0013] Furthermore, a shock-absorbing foot pad is provided at the bottom of the frame.

[0014] Furthermore, the mounting frame is provided with an oval-shaped height adjustment hole, and the pneumatic inner diameter probe of the pneumatic measuring instrument passes through the oval-shaped height adjustment hole and is height-limited by clamping nuts provided on both sides.

[0015] Furthermore, a display for real-time acquisition and display of data detected by the displacement sensor and the pneumatic inner diameter probe of the pneumatic measuring instrument is installed on the frame.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] (1) The detection equipment of the technical solution only performs the removal and placement actions on the differential case, and can perform batch detection, and can conveniently and efficiently detect the two end holes and length of the differential case;

[0018] (2) The detection device has no complex structure, is simple in structure, easy to operate, and has high accuracy;

[0019] (3) It can display detection data in real time.

[0020] Of course, it is not necessary for any product implementing the present utility model to achieve all the above-mentioned advantages simultaneously. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required for describing the embodiments. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0022] Figure 1 It is a schematic structural diagram of a differential housing size detection device of the present utility model;

[0023] Figure 2 For Figure 1 the structural schematic diagram from the A perspective in

[0024] Figure 3 For Figure 2 the structural schematic diagram from the B perspective in

[0025] Figure 4 For Figure 1 the structural schematic diagram after removing the differential housing in

[0026] Figure 5 It is a partial enlarged view of the installation position of the mounting frame and the pneumatic inner diameter probe of the pneumatic gauge;

[0027] In the drawings, the list of components represented by each reference numeral is as follows:

[0028] 1 - Frame, 101 - Shock-absorbing foot pads, 102 - Display, 2 - Guide rail, 201 - First displacement sensor mounting plate, 202 - Second displacement sensor mounting plate, 204 - Displacement sensor, 205 - Arc-shaped support plate, 206 - U-shaped carrier, 207 - Cross-movement drive structure, 208 - Lifting mechanism, 209 - Guide rod structure, 3 - Limit vertical plate, 301 - Lower pressure buffer column, 302 - Mounting frame, 303 - Pneumatic inner diameter probe of the pneumatic gauge, 4 - Differential housing. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] In the description of the present invention, it should be understood that terms such as "surface", "lateral", "one side", "bottom", "one side", "the other side" and the like indicating orientation or positional relationship are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0031] See also Figure 1-5 As shown, a differential housing size detection device of the utility model comprises a frame 1 with a support table, and a length measuring station and an aperture measuring station are installed on the surface of the support table;

[0032] The length measuring station includes a U-shaped carrier 202 of a differential housing 4, a guide rail 2 fixedly installed horizontally on one side of the U-shaped carrier 202, a first displacement sensor mounting plate 201 slidably mounted on the guide rail 2 through a bottom slider, a second displacement sensor mounting plate 202 fixedly installed on the other side of the U-shaped carrier 202, an arc-shaped support plate 205 arranged in the bottom opening of the U-shaped carrier 202 to lift the differential housing 4, and a lifting mechanism 208 installed at the bottom of the arc-shaped support plate 205 to lift the differential housing 4; the two ends of the differential housing 4 lie on the recesses above the vertical plates on both sides of the U-shaped carrier 202, so that the outer contours of the holes at the two ends correspond to the displacement sensors 204 with springs on the first displacement sensor mounting plate 201 and the second displacement sensor mounting plate 202; Figure 1 As shown, the first displacement sensor mounting plate 201 and the second displacement sensor mounting plate 202 both adopt a main vertical plate plus side vertical plates arranged on both sides, and the two are arranged relative to each other, and have good stability; the displacement sensor 204 is arranged in a circle, and can measure the distance length between different positions of the outer peripheral side contour of the 4 end holes of the differential case, with better accuracy. The displacement sensor is an existing technology, and the length is measured by contacting the two ends;

[0033] The aperture measurement station includes two vertically arranged limit vertical plates 3 with lower notches on the top, and a pneumatic measuring instrument pneumatic inner diameter probe 303 arranged in front of one of the limit vertical plates 3 and limitedly installed by a mounting frame 302. The pneumatic measuring instrument pneumatic inner diameter probe 303 is directly opposite to the end hole of the differential housing 4 placed on the two limit vertical plates 3. The pneumatic measuring instrument pneumatic inner diameter probe 303 is a prior art and can be applied to aperture measurement. The indication range of the pneumatic measuring instrument is relatively small, generally ±20 to ±100 microns.

[0034] A transverse driving structure 207 is provided at the bottom of the first displacement sensor mounting plate 201. The transverse driving structure uses a cylinder, an oil cylinder or a lead screw in conjunction with a ball nut fixed at the bottom of the first displacement sensor mounting plate 201 to perform transverse movement.

[0035] A guide rod structure 209 with a guide sleeve is provided at the bottom of the arc-shaped support plate 205 to improve the stability of lifting.

[0036] Among them, a downward pressure buffer column 301 with a spring at the bottom is vertically provided on the support platform between the two limit vertical plates 3, which is used to buffer the downward movement of the differential housing 4 and reduce the impact force with the lower notch.

[0037] Among them, a shock-absorbing foot pad 101 is provided at the bottom of the frame 1, which can effectively improve the shock-absorbing effect.

[0038] The mounting frame 302 is provided with an oval-shaped height adjustment hole, and the pneumatic inner diameter probe 303 of the pneumatic measuring instrument passes through the oval-shaped height adjustment hole and is height-limited by clamping nuts provided on both sides.

[0039] The frame 1 is provided with a display 102 for real-time acquisition and display of data detected by the displacement sensor 204 and the pneumatic inner diameter probe 303 of the pneumatic measuring instrument.

[0040] The utility model comprises a length measuring station composed of a U-shaped carrier and two movable sensor mounting plates on both sides, and an aperture measuring station composed of two limit vertical plates with lower notches and a pneumatic inner diameter probe of a pneumatic measuring instrument on the mounting frame; a differential housing placed on an arc-shaped supporting plate is lifted and lowered by a lifting mechanism, and the differential housing is placed on the notches above the vertical plates on both sides of the U-shaped carrier to maintain stability; a transverse driving structure cooperates with a guide rail to transversely move the first displacement sensor mounting plate, so that the displacement sensors installed on the two displacement sensor mounting plates are aligned with the differential housing ... moved horizontally by a lifting mechanism; a differential housing is placed on the arc-shaped supporting plate, and the differential housing is placed on the notches above the vertical plates on both sides of the U-shaped carrier to maintain stability; a differential housing is placed on the arc-shaped supporting plate, and the differential housing is placed on the arc-shaped supporting plate to maintain stability; a differential housing is placed on the arc-shaped supporting plate, and the differential housing is moved horizontally by a lifting mechanism; a differential housing is placed on the arc-shaped supporting plate, and the differential housing is placed on the notches above the vertical plates on both sides of the U-shaped carrier to maintain stability; a differential housing is placed on the arc-shaped supporting plate, and the differential housing is moved horizontally by a lifting mechanism; a differential housing is placed on the arc-shaped supporting plate, and the differential housing is moved horizontally by a lifting mechanism; a differential housing is placed on the arc-shaped supporting plate, and the differential housing is moved horizontally by a lifting mechanism; a differential housing is placed on the arc-shaped supporting plate, and the differential housing is moved horizontally by a lifting mechanism; a differential housing is placed on the arc-shaped supporting plate, and the differential housing is moved horizontally by a lifting mechanism; a differential housing is placed on the arc-shaped supporting The outer contour of the differential housing end hole conflicts with the outer contour of the differential housing, thereby detecting the overall length of the differential housing; the arc support plate on the arc support plate is taken out and placed on the two limit vertical plates, and the height of the pneumatic inner diameter probe of the pneumatic measuring instrument is manually adjusted to make it face one end hole of the differential housing, and then the other end hole is measured after the probe is removed and the order is changed; the detection data results can be displayed in real time on the display; the detection equipment only removes and places the differential housing, and can be tested in batches, and the detection equipment has a simple structure, easy operation, high accuracy, and can display the detection data in real time.

[0041] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A differential case size detection device, comprising a frame (1) with a support platform, characterized in that: The support table surface is provided with a length measuring station and an aperture measuring station; The length measuring station comprises a U-shaped carrier (206) of a differential housing (4), a guide rail (2) fixedly mounted transversely on one side of the U-shaped carrier (206), a first displacement sensor mounting plate (201) slidably mounted on the guide rail (2) via a bottom slider, a second displacement sensor mounting plate (202) fixedly mounted on the other side of the U-shaped carrier (206), an arc-shaped support plate (205) arranged in the bottom opening of the U-shaped carrier (206) to lift the differential housing (4), and a lifting mechanism (208) mounted on the bottom of the arc-shaped support plate (205) to lift the differential housing (4); the two ends of the differential housing (4) lie on the notches above the vertical plates on both sides of the U-shaped carrier (206), so that the outer contours of the holes at the two ends correspond to the displacement sensors (204) with springs on the first displacement sensor mounting plate (201) and the second displacement sensor mounting plate (202); The aperture measurement station comprises two vertically arranged limit vertical plates (3) with lower notches on the top, and a pneumatic measuring instrument pneumatic inner diameter measuring head (303) arranged in front of one of the limit vertical plates (3) and mounted by a mounting frame (302) in a limit position, wherein the pneumatic measuring instrument pneumatic inner diameter measuring head (303) is directly opposite to the end holes of the differential housing (4) placed on the two limit vertical plates (3).

2. A differential case size detection device according to claim 1, characterized in that: A transverse movement driving structure (207) is provided at the bottom of the first displacement sensor mounting plate (201), and the transverse movement driving structure uses an air cylinder, an oil cylinder or a lead screw in conjunction with a ball nut fixed at the bottom of the first displacement sensor mounting plate (201) to perform transverse movement.

3. A differential case size detection device according to claim 1, characterized in that: A guide rod structure (209) with a guide sleeve is provided at the bottom of the arc-shaped support plate (205).

4. The differential case size detection device according to claim 1, characterized in that: The displacement sensors (204) are arranged in a circle.

5. The differential case size detection device according to claim 1, characterized in that: A downward pressure buffer column (301) with a spring at the bottom is vertically arranged on the support platform between the two limit vertical plates (3).

6. The differential case size detection device according to claim 1, characterized in that: A shock-absorbing foot pad (101) is provided at the bottom of the frame (1).

7. The differential case size detection device according to claim 1, characterized in that: The mounting frame (302) is provided with an oval-shaped height adjustment hole, and the pneumatic inner diameter measuring head (303) of the pneumatic measuring instrument passes through the oval-shaped height adjustment hole and is height-limited by clamping nuts provided on both sides.

8. The differential case size detection device according to claim 1, characterized in that: The frame (1) is provided with a display (102) for real-time acquisition and display of data detected by a displacement sensor (204) and a pneumatic inner diameter measuring head (303) of a pneumatic measuring instrument.

Images