CN218155941U - Internal spline reference circle axis coaxiality detection device - Google Patents

Abstract

The utility model discloses an internal spline reference circle axis axiality detection device belongs to the technical equipment structural design processing field, including adjusting the casing, it takes out and inserts connection radial regulating block, two at least to adjust the casing side to be provided with two at least be connected with respectively on the radial regulating block be used for with two measuring sticks of the internal spline tooth's socket complex of surveyed the integral key shaft, it is provided with the regulation awl to adjust the casing internal seal, it is equipped with the screw hole to adjust casing one end, the main aspects of adjusting the awl are connected with and stretch out the regulation casing to the sighting rod with screw hole complex. The utility model discloses a detection device changes the sampling point position of the reference circle axis of gear shaft internal spline, improves and measures and detection efficiency, reduces to measure and detect the variation.

Description

Internal spline reference circle axis coaxiality detection device

Technical Field

The utility model discloses an internal spline reference circle axis axiality detection device belongs to the tooling structural design processing field.

Background

In recent years, new energy automobiles driven electrically have come into existence in the social background of ecological environmental pollution and fossil fuel energy crisis. In the electric automobile in the prior art, an asynchronous motor or a synchronous motor is matched with a speed reducer to replace an engine and a gearbox in a traditional automobile, so that a power system of a pure electric automobile is formed. The asynchronous motor or the synchronous motor is connected with the speed reducer through the matching of the spline shaft and the spline sleeve of the speed reducer.

The motor shaft generally adopts the structure of external splines, and the reduction gear input shaft in the reduction gear generally adopts the structure of internal splines. The reduction gear shaft is connected with the supporting bearing through an excircle and is connected with the motor shaft through an internal spline. Because the motor has high rotating speed, the reference circle axis of the internal spline of the reduction gear shaft and the axis of the cylindrical surface of the cylindrical support bearing assembly are required to have higher coaxiality. At present, three measuring rods are adopted for positioning and compressing, the structure of the measuring rod needs to be compressed by means of external force, and the measuring rod cannot be applied to the measuring process and cannot solve the problems to be solved by the invention.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve present spline tooth's socket less, look for spline combination flank of tooth through the mode of range estimation when stepping on the point, the great problem of measurement process complicacy and measurement variation provides an internal spline reference circle axis axiality detection device.

The utility model discloses the problem that will solve is realized by following technical scheme:

the utility model provides an internal spline reference circle axis axiality detection device, is including adjusting the casing, it takes out and inserts connection radial regulating block, at least two to adjust the casing side to be provided with two at least and take out and be connected two gauge sticks of the internal spline tooth's socket complex that are used for with the integral key shaft of being surveyed on the radial regulating block respectively, it is provided with the regulation awl to seal in the regulation casing, it is equipped with the screw hole to adjust casing one end, the main aspects of adjusting the awl are connected with and stretch out the regulation casing, two with screw hole complex to the sighting rod radial regulating block the inner cooperation with the regulation awl respectively, to the sighting rod with be surveyed integral key shaft coaxial line arrangement.

Preferably, the measuring rod has a circular or polygonal radial cross-section.

Preferably, the adjustment housing comprises a first circumferential adjustment block and a second circumferential adjustment block rotatably connected to each other.

Preferably, at least two radial adjusting blocks are symmetrically arranged on the side surface of the first circumferential adjusting block.

Preferably, at least two of the radial adjusting blocks are symmetrically arranged on the side of the second circumferential adjusting block.

Preferably, at least two radial adjusting blocks are arranged on the side of the first circumferential adjusting block and the second circumferential adjusting block in a staggered and opposite mode respectively.

Preferably, the radial cross section of the adjustment housing is circular or polygonal.

Preferably, the radial cross section of the adjusting cone is circular or polygonal.

Preferably, the inner ends of the two radial adjusting blocks are conformal with the side surface of the adjusting cone, and the side surface of the benchmarking rod comprises an external thread part matched with the threaded hole and an optical path part for detection.

The utility model discloses for the beneficial effect that has now:

the utility model provides an internal spline reference circle axis axiality detection device, through adjusting the internal spline that the regulation awl made whole device can put into the integral key shaft of being surveyed in the middle of, adjust the circumference regulating block and make two gauge sticks all fall into two tooth's sockets apart from the farthest, then adjust the regulation awl, make gauge stick and the spline tooth's socket of being surveyed the part contact completely. The reference circle axis of the internal spline of the gear shaft is converted into a cylinder at the rear part of the adjusting cone, so that the purpose of measurement and detection is realized by measuring the coaxiality of the axis of the opposite mark rod at the rear part of the adjusting cone and the axis of the assembly cylindrical surface of the external circle supporting bearing, the measurement and detection efficiency is improved, and the measurement and detection variation is reduced.

Drawings

Fig. 1 is the whole structure diagram of the internal spline reference circle axis coaxiality detection device of the present invention.

Fig. 2 is a front view of the internal spline reference circle axis coaxiality detection device of the present invention.

Fig. 3 is a top view of the device for detecting axial coaxiality of reference circles of internal splines.

Fig. 4 is a schematic diagram of a part of the mechanism of the internal spline reference circle axis coaxiality detection apparatus of the present invention.

Fig. 5 is a schematic working diagram of the device for detecting the coaxiality of the reference circle axis of the internal spline of the present invention.

Wherein:

1-measuring a rod;

2-a first circumferential adjustment block;

3-a second circumferential adjustment block;

4-aligning the marker post;

5-a radial adjusting block;

6-adjusting cone

7-spline shaft to be measured.

Detailed Description

The invention will be further explained below with reference to the accompanying figures 1 to 5:

the technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

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

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-3, a first embodiment of the present invention provides an internal spline reference circle axis coaxiality detecting apparatus based on the prior art, including: the adjusting shell, the radial adjusting block 5, the measuring rod 1, the target rod 4 and the adjusting cone 6, and the structure and the connection relationship of the above components will be described in detail.

Firstly, an adjusting shell is introduced, which comprises a first circumferential adjusting block 2 and a second circumferential adjusting block 3 which can be mutually and rotatably connected, and at least two radial adjusting blocks 5 which are connected in a plugging and pulling way are arranged on the side surface of the adjusting shell, in this embodiment, at least two radial adjusting blocks 5 are respectively and oppositely arranged on the side surfaces of the first circumferential adjusting block 2 and the second circumferential adjusting block 3 in a staggered way. The second embodiment is such that two radial adjustment blocks 5 are symmetrically arranged on the side of the first circumferential adjustment block 2, and the same second embodiment is the same, in contrast, two radial adjustment blocks 5 are symmetrically arranged on the side of the second circumferential adjustment block 3.

At least two radial adjusting blocks 5 are respectively connected with two measuring rods 1 which are used for being matched with the internal spline tooth grooves of the measured spline shaft 7, the radial sections of the measuring rods 1 are circular or polygonal, and the polygons can be triangular, trapezoidal or follow-up with the internal spline tooth grooves. The interior seal of adjusting the casing is installed and is adjusted awl 6, adjusts casing one end and is equipped with the screw hole, and the screw hole can be in 2 bottoms of first circumferential direction regulating block or in 3 bottoms of second circumferential direction regulating block, and the main aspects of adjusting awl 6 are connected with and stretch out the regulation casing with screw hole complex sighting rod 4, as shown in figure 4, including with screw hole complex external screw thread part and the light path part that is used for detecting sighting rod 4.

The radial cross section of the adjusting shell is circular or polygonal, the polygon can be a quadrangle, a pentagon or a hexagon and the like, the inner ends of the two radial adjusting blocks 5 are respectively matched with the adjusting cone 6 and follow the side surface of the adjusting cone 6, and the axial line of the benchmarking pole 4 is ensured to be coaxial with the measured spline shaft 7 when the benchmarking device is installed.

The specific working mode is as follows:

as shown in fig. 5, first, an appropriate measuring rod 1 is selected according to the spline to be measured and is mounted on the radial adjusting block 5. The primary adjustment of the adjustment cone 6 enables the entire device to be placed into the internal spline of the spline shaft 7 to be tested. Because the spline is divided into odd number teeth and even number teeth, two measuring rods are not arranged at two ends which are symmetrical about an axial line, the first circumferential adjusting block 2 and the second circumferential adjusting block 3 are adjusted to enable the two measuring rods to fall into two tooth grooves which are farthest away, and then the adjusting cone 6 is adjusted to enable the measuring rods 1 to be in complete contact with the spline tooth grooves of the spline shaft 7 to be measured. Through this measuring device, convert the reference circle axis of gear shaft internal spline into adjust 6 rear portions of awl to mark pole 4 to adjust 6 rear portions of awl and the axiality of the axis of the mark pole 4 and the excircle support bearing assembly face of cylinder through the measurement and realize the purpose of measuring and detecting, improve and measure and detection efficiency, reduce and measure and detect the variation.

While embodiments of the invention have been disclosed above, it is not intended to be limited to the applications listed in the specification and the examples. It can be applicable to various and be fit for the utility model discloses a field completely. Additional modifications will readily occur to those skilled in the art. The invention is therefore not to be limited to the specific details and illustrations shown and described herein, without departing from the general concept defined by the claims and their equivalents.

Claims (9)

1. The utility model provides an internal spline reference circle axis axiality detection device, a serial communication port, including adjusting the casing, it is provided with two at least and takes out to insert and connects radial regulating block (5), at least two to adjust the casing side be connected with respectively on radial regulating block (5) be used for with two gauge rods (1) of the internal spline tooth's socket complex of surveyed integral key shaft (7), it is provided with regulation awl (6) to adjust the casing inner seal, it is equipped with the screw hole to adjust casing one end, the main aspects of adjusting awl (6) are connected with and stretch out the regulation casing to sighting rod (4) with the screw hole complex, two radial regulating block (5) inner respectively with adjust awl (6) cooperation, to sighting rod (4) and surveyed integral key shaft (7) coaxial line arrangement.

2. The device for detecting the axiality of the pitch circle axis of the internal spline according to claim 1, wherein the radial section of the measuring rod (1) is circular or polygonal.

3. The internal spline reference circle axis coaxiality detection device according to claim 1 or 2, wherein the adjustment housing comprises a first circumferential adjustment block (2) and a second circumferential adjustment block (3) which are rotatably connected with each other.

4. The device for detecting the axial coaxiality of the pitch circles of the internal spline according to claim 3, characterized in that at least two radial adjusting blocks (5) are symmetrically arranged on the side face of the first circumferential adjusting block (2).

5. The internal spline pitch circle axis coaxiality detection device according to claim 3, wherein at least two radial adjusting blocks (5) are symmetrically arranged on the side face of the second circumferential adjusting block (3).

6. The internal spline pitch circle axis coaxiality detection device according to claim 3, wherein at least two radial adjusting blocks (5) are arranged on the side faces of the first circumferential adjusting block (2) and the second circumferential adjusting block (3) in a staggered and opposite mode.

7. The device for detecting the coaxiality of the reference circle axis of the internal spline according to any one of claims 4 to 6, wherein the radial section of the adjusting shell is circular or polygonal.

8. The internal spline pitch circle axis coaxiality detection device according to claim 7, wherein the radial section of the adjustment cone (6) is circular or polygonal.

9. The device for detecting the axial coaxiality of the reference circles of the internal spline according to claim 8, wherein the inner ends of the two radial adjusting blocks (5) follow the side surface of the adjusting cone (6), and the side surface of the benchmarking rod (4) comprises an external thread part matched with a threaded hole and an optical path part for detection.

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