CN212824870U

CN212824870U - Transmission shaft part three-coordinate measuring fixture

Info

Publication number: CN212824870U
Application number: CN202020999419.3U
Authority: CN
Inventors: 邓少鹏; 曾铭; 郭志杰
Original assignee: Guangzhou Diesel Engine Factory Co ltd
Current assignee: Guangzhou Diesel Engine Factory Co ltd
Priority date: 2020-06-03
Filing date: 2020-06-03
Publication date: 2021-03-30
Anticipated expiration: 2030-06-03

Abstract

The utility model discloses a three-coordinate measuring clamp for transmission shaft parts, which relates to the technical field of mechanical part detection and comprises a bottom plate; the clamp unit is installed on the bottom plate and comprises a plurality of supporting components used for supporting the transmission shaft parts and a compacting component used for compacting the transmission shaft parts, the supporting components comprise supporting blocks, the supporting blocks are provided with V-shaped grooves used for placing the transmission shaft parts, and the compacting component comprises a pressing plate capable of being adjusted up and down. The utility model discloses can carry out effective clamping to the transmission shaft part.

Description

Transmission shaft part three-coordinate measuring fixture

Technical Field

The utility model relates to a machine part detects technical field, in particular to transmission shaft part three-coordinate measuring anchor clamps.

Background

The utility model discloses in-process, the inventor finds to have following problem among the prior art at least, and the transmission shaft is marine diesel engine oil pump device's key part, and its machining precision is high, also has higher requirement to geometric tolerances precision. At present, a movable bridge type three-coordinate measuring machine is generally adopted for measuring the transmission shaft, and the main measurement contents are coaxiality, symmetry of a key groove and surface roughness, so that a clamp is urgently needed to facilitate measurement of transmission shaft parts and improve the efficiency of measurement work.

Disclosure of Invention

The utility model discloses aim at solving one of the above-mentioned technical problem among the prior art to a certain extent at least. Therefore, the embodiment of the utility model provides a transmission shaft part three-coordinate measuring anchor clamps can carry out effective clamping to the transmission shaft part.

According to the utility model discloses a transmission shaft part three-coordinate measuring clamp, including the bottom plate; the clamp unit is installed on the bottom plate and comprises a plurality of supporting components used for supporting the transmission shaft parts and a compacting component used for compacting the transmission shaft parts, the supporting components comprise supporting blocks, the supporting blocks are provided with V-shaped grooves used for placing the transmission shaft parts, and the compacting component comprises a pressing plate capable of being adjusted up and down.

In an alternative or preferred embodiment, the gripper units are at least two.

In an alternative or preferred embodiment, the support assembly further comprises a support base mounted on the base plate, and the support block is slidably connected with the support base through a dovetail structure so that the support block can move up and down.

In an alternative or preferred embodiment, the support base is provided with a locking screw for locking the corresponding support block, and the locking screw penetrates through the support base and then abuts against the support block.

In an optional or preferred embodiment, the support base is mounted on the bottom plate through a connecting bolt, and two sides of the bottom of the support base are provided with long holes for the connecting bolt to pass through, so that the support base can be adjusted left and right.

In an optional or preferred embodiment, the compaction assembly further comprises a stud installed on the bottom plate, a top column is arranged at the bottom of one end of the pressing plate, the middle of the pressing plate is installed on the stud, a compaction nut is screwed on the stud, and the compaction nut abuts against the pressing plate.

In an alternative or preferred embodiment, the clamp unit further comprises a positioning assembly comprising a rotatable hinge rod mounting a positioning spigot for positioning a drive shaft part keyway.

In an alternative or preferred embodiment, the positioning assembly further comprises a hinge seat mounted on the base plate, the hinge rod is hinged with the hinge seat, and the hinge seat is mounted with a wave ball screw for positioning the hinge rod.

In an alternative or preferred embodiment, the base plate is provided with a plurality of handles.

Based on the technical scheme, the embodiment of the utility model provides a following beneficial effect has at least: above-mentioned technical scheme designs at least one anchor clamps unit, and every anchor clamps unit passes through supporting component and supports the transmission shaft part, and the reuse clamp plate is to transmission shaft part compaction, and follow-up again can carry out the three-dimensional measurement to the transmission shaft part through movable bridge type three-dimensional measuring machine to can set up two or above anchor clamps unit, can measure by two or more transmission shaft parts of clamping simultaneously, improve the efficiency of measurement work, alleviateed quality testing personnel's intensity of labour, the utility model discloses can carry out effective clamping to the transmission shaft part.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.

Fig. 1 is a perspective view of an embodiment of the present invention;

fig. 2 is a top view of an embodiment of the invention;

FIG. 3 is a view taken in the direction A of FIG. 2;

fig. 4 is a top view of a support assembly in an embodiment of the invention.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the positional or orientational descriptions, such as the central, longitudinal, lateral, length, width, thickness, upper, lower, front, rear, left, right, vertical, horizontal, top, bottom, inner, outer, clockwise, counterclockwise, axial, radial, circumferential, etc., are based on the positional or orientational relationships shown in the drawings and are for convenience of description only and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered as limiting the present invention.

In the description of the present invention, the meaning of a plurality is one or more, the meaning of a plurality is two or more, and larger, smaller, larger, etc. are understood as excluding the present number, and larger, lower, inner, etc. are understood as including the present number unless otherwise specifically limited. Furthermore, the descriptions of first and second are only for the purpose of distinguishing between technical features, and are not to be construed as indicating or implying relative importance or implying any number or order of indicated technical features.

In the description of the present invention, unless otherwise clear and definite limitations, words such as setting, arranging, installing, connecting, linking, fixing, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in the present invention by combining the specific contents of the technical solutions.

In the description of the present invention, unless otherwise expressly limited, the first feature may be located above or below the second feature and may be directly in contact with the second feature or indirectly in contact with the first feature through intervening media. Also, a first feature may be directly above or obliquely above a second feature, or merely that the first feature is at a higher level than the second feature. A first feature may be directly below or obliquely below a second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1 to 4, a three-coordinate measuring jig for a transmission shaft part includes a base plate 101 and at least one jig unit 200. Preferably, the number of the clamp units 200 is at least two, and the two transmission shaft parts 110 can be clamped simultaneously, so that the efficiency of the measurement work is improved. In this embodiment, two clamp units 200 are provided, and the working principle of the single clamp unit 200 will be described below as an example.

The jig unit 200 is installed on the base plate 101, and the jig unit 200 includes a number of support assemblies 210 for supporting the drive shaft part 110 and a compacting assembly 220 for compacting the drive shaft part 110.

Each jig unit 200 is provided with two support assemblies 210, and the drive shaft part 110 is supported by the two support assemblies 210. Specifically, the supporting assembly 210 includes a supporting block 212, the supporting block 212 has a V-shaped groove 213 for placing the transmission shaft component 110, and further, the supporting assembly 210 further includes a supporting base body 211 installed on the base plate 101, and the supporting block 212 and the supporting base body 211 are slidably connected through a dovetail structure 217, so that the supporting block 212 can move up and down. After the supporting block 212 moves, it needs to be locked, preferably, the supporting base 211 is provided with a locking screw 214 for locking the corresponding supporting block 212, and the locking screw 214 penetrates through the supporting base 211 and then abuts against the supporting block 212, so that it can be ensured that the supporting block 212 is fixed on the supporting base 211, and the supporting base 211 is provided with a through hole for the locking screw 214 to penetrate through.

In addition, the support base 211 is installed on the bottom plate 101 through a connecting bolt 215, and two sides of the bottom of the support base 211 are provided with a long hole 216 for the connecting bolt 215 to pass through, so that the support base 211 can be adjusted left and right, and the length direction of the long hole 216 is arranged left and right, and the left and right directions are as shown in fig. 2.

The compaction assembly 220 includes a platen 222 that is adjustable up and down. Specifically, the compacting assembly 220 further includes a stud 221 installed on the bottom plate 101, a top pillar 224 is disposed at the bottom of one end of the pressing plate 222, the middle of the pressing plate 222 is installed on the stud 221, a compacting nut 223 is screwed on the stud 221, and the compacting nut 223 is pressed against the pressing plate 222. After placing drive shaft element 110 on support assembly 210, one end of pressure plate 222 is placed against top post 224 and the other end of pressure plate 222 is then pressed against drive shaft element 110 by tightening compression nut 223.

In addition, the clamp unit 200 further includes a positioning assembly 230, the positioning assembly 230 includes a rotatable hinge rod 232, and the hinge rod 232 is mounted with a positioning pin 233 for positioning the key groove of the transmission shaft part 110. Specifically, the positioning assembly 230 further includes a hinge seat 231 mounted on the base plate 101, the hinge rod 232 is hinged to the hinge seat 231, the hinge seat 231 is mounted with a wave ball screw 234 for positioning the hinge rod 232, after the hinge rod 232 rotates, the hinge rod 232 can be accurately positioned by the wave ball screw 234, and the positioning pin 233 is inserted into the key slot of the transmission shaft part 110 for positioning.

Through the three-coordinate measuring clamp for the transmission shaft part, the transmission shaft part 110 can be clamped, and then the three-coordinate measurement can be carried out on the transmission shaft part 110 through the movable bridge type three-coordinate measuring machine.

Further preferably, the bottom plate 101 is provided with a plurality of handles 102, and the two handles are arranged on the left side and the right side respectively in the embodiment, so that the carrying is convenient.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. The utility model provides a transmission shaft part three-coordinate measuring anchor clamps which characterized in that: comprises that

A base plate (101); and

at least one clamp unit (200), wherein the clamp unit (200) is installed on the base plate (101), the clamp unit (200) comprises a plurality of support assemblies (210) for supporting the transmission shaft part (110) and a compaction assembly (220) for compacting the transmission shaft part (110), the support assemblies (210) comprise support blocks (212), the support blocks (212) are provided with V-shaped grooves (213) for placing the transmission shaft part (110), and the compaction assembly (220) comprises a pressure plate (222) capable of being adjusted up and down.

2. The drive shaft part three-coordinate measuring fixture of claim 1, wherein: the clamp units (200) are at least two.

3. The drive shaft part three-coordinate measuring jig of claim 1 or 2, characterized in that: the supporting component (210) further comprises a supporting seat body (211) arranged on the bottom plate (101), and the supporting block (212) is in sliding connection with the supporting seat body (211) through a dovetail tenon structure (217) so that the supporting block (212) can move up and down.

4. The drive shaft part three-coordinate measuring fixture of claim 3, wherein: the supporting base body (211) is provided with a locking screw (214) used for locking the corresponding supporting block (212), and the locking screw (214) penetrates through the supporting base body (211) and then is pressed against the supporting block (212).

5. The drive shaft part three-coordinate measuring fixture of claim 3, wherein: the supporting seat body (211) is installed on the bottom plate (101) through a connecting bolt (215), and two sides of the bottom of the supporting seat body (211) are provided with long holes (216) for the connecting bolt (215) to pass through, so that the supporting seat body (211) can be adjusted left and right.

6. The drive shaft part three-coordinate measuring jig of claim 1 or 2, characterized in that: the compaction assembly (220) further comprises a stud (221) installed on the bottom plate (101), a top column (224) is arranged at the bottom of one end of the pressing plate (222), the middle of the pressing plate (222) is installed on the stud (221), a compaction nut (223) is screwed on the stud (221), and the compaction nut (223) is pressed on the pressing plate (222) in a propping mode.

7. The drive shaft part three-coordinate measuring jig of claim 1 or 2, characterized in that: the clamp unit (200) further comprises a positioning assembly (230), the positioning assembly (230) comprises a rotatable hinge rod (232), and a positioning bolt (233) used for positioning a key groove of the transmission shaft part (110) is mounted on the hinge rod (232).

8. The drive shaft part three-coordinate measurement fixture of claim 7, wherein: the positioning assembly (230) further comprises a hinge seat (231) installed on the base plate (101), the hinge rod (232) is hinged to the hinge seat (231), and a wave ball screw (234) used for positioning the hinge rod (232) is installed on the hinge seat (231).

9. The drive shaft part three-coordinate measuring fixture of claim 1, wherein: the bottom plate (101) is provided with a plurality of handles (102).