CN212254040U - Gear hole comprehensive position degree detection tool - Google Patents

Abstract

The utility model provides a checking fixture for the comprehensive position degree of a gear hole, which comprises a base, a clamping block, a rotating handle, a detection bracket, a detection head, a lower support disc and an upper support disc; the top points of the four positions of the upper surface of the base are respectively and fixedly connected with a pushing cylinder; the clamping block is fixedly connected to the output end of the push cylinder; the rotating handle is fixedly connected above the clamping wheel of one clamping block; the bottom of the detection bracket is fixedly connected to the upper surface of the base; the detection head is fixedly connected below the detection bracket; the lower supporting disc is fixedly connected to the upper surface of the base; go up supporting disk swing joint in the top of lower supporting disk, the apex angle department fixedly connected with of base has four outer seats, and the top of outer seat and base is fixed and has been seted up the slide rail, to sum up, can see out, increased more current check out test set and can carry out the control that the position degree changed through the loose gear, changed traditional fixed gear and carried out the mode that detects, further improved the precision that detects.

Description

Gear hole comprehensive position degree detection tool

Technical Field

The utility model belongs to gear hole detection area, more specifically say, in particular to utensil is examined to gear hole comprehensive position degree.

Background

Traditional straight-tooth spur gear structure is the rim plate shape, a dead eye has been seted up in the centre of gear, be used for realizing fixed connection or installation bearing swing joint with gear and axle, there is certain error in the processing of dead eye, need detect the product, wherein, the position degree in wheel hole can be represented with the axiality, the axiality is exactly positioning tolerance, the theoretical correct position is the reference axis, current position degree check out test set uses the check out test set who takes infrared distance sensor usually to detect, traditional check out test set is the action of detection head, detect the structure and the shape position in gear hole, measuring error, realize the position detection in gear hole.

The present chinese utility model patent, for example with patent number CN201720783465.8, discloses a synchronizer gear hole position degree detection device, which is described basically as follows: the device comprises a detection pin and a detection block, wherein the detection block is used for placing a gear and a detection gear hole; the detection block is provided with a fixing hole corresponding to the standard gear hole; whether the position degree of the gear hole meets the standard or not is judged by detecting whether the detection pin can be inserted into the gear hole and the fixing hole at the same time or not; the included angle formed by the gear hole and the horizontal plane is the same as the included angle formed by the fixing hole and the horizontal plane.

Based on the above patent description, it can be seen that, when similar current check out test set used, with gear fixed back gear will not be movable, need adjust infrared distance check out test set many times when detecting the axiality and measure from a plurality of angles, the deviation appears easily in this in-process, influences the testing result.

Therefore, in view of the above, a research and improvement is made for the existing structure and defects, and a checking fixture for detecting the comprehensive position degree of the gear hole is provided, so as to achieve a more practical purpose.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an utensil is examined to gear hole comprehensive position degree to when solving similar current check out test set and using, will not move about the fixed back gear of gear, need adjust infrared distance check out test set many times when detecting the axiality and measure from a plurality of angles, the deviation appears easily at this in-process, influences the problem of testing result.

The utility model relates to a purpose and efficiency that utensil was examined to position degree is synthesized in gear hole is reached by following specific technological means:

a gear hole comprehensive position degree detection tool comprises a base, a clamping block, a rotating handle, a detection support, a detection head, a lower support disc and an upper support disc; the top points of the four positions of the upper surface of the base are respectively and fixedly connected with a pushing cylinder; the clamping block is fixedly connected to the output end of the push cylinder; the rotating handle is fixedly connected above the clamping wheel of one clamping block; the bottom of the detection bracket is fixedly connected to the upper surface of the base; the detection head is fixedly connected below the detection bracket; the lower supporting disc is fixedly connected to the upper surface of the base; the upper supporting disc is movably connected above the lower supporting disc.

Furthermore, the vertex angles of the base are fixedly connected with four outer seats, and sliding rails are fixedly arranged above the outer seats and the base.

Furthermore, a fulcrum shaft is fixedly connected above the clamping block, and a clamping wheel is rotatably connected to the fulcrum shaft through a bearing.

Furthermore, twelve roller grooves are formed in the upper portion of the lower supporting plate, rollers are rotatably connected to the inner portions of the roller grooves, and the lower supporting plate is of a circular ring structure.

Furthermore, the lower surface of the upper support disc is provided with an outer edge, and the upper support disc is also of a circular ring structure.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model is structurally improved on the existing gear hole checking tool, the clamping wheel of the structure is movably connected on the clamping block of the structure through a bearing, the clamping wheel can rotate, after the clamping wheel clamps the gear under the action of the pushing cylinder, the gear and the clamping wheel can rotate, the clamping wheel can rotate by controlling the rotating handle, the clamping wheel drives the gear in the middle to rotate, the upper detection head is fixed and records the position change of the gear hole, the detection of the position degree of the gear hole is realized, a lower supporting disk and an upper supporting disk are also arranged below the gear, twelve rollers are arranged on the contact surfaces of the two supporting disks, when the upper supporting disk rotates, the contact surface between the lower supporting disk and the upper supporting disk generates rolling friction, the noise and the vibration generated during the friction force and the gear rotation can be reduced, in conclusion, compared with the existing detection equipment, the monitoring of the position degree change through the movable gear is increased, the traditional mode that the fixed gear detects is changed, and the detection accuracy is further improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic diagram of the structure after separation of the present invention.

Fig. 3 is a schematic view of the structure of the lower support plate of the present invention.

Fig. 4 is a schematic structural view of the upper supporting plate of the present invention.

Fig. 5 is a partially enlarged view of a portion a of fig. 3 according to the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a base; 101. an outer support; 1011. a slide rail; 2. a clamping block; 201. a fulcrum; 202. a pinch roller; 3. a handle is rotated; 4. pushing the cylinder; 5. detecting the bracket; 6. a detection head; 7. a lower support disc; 701. a roller groove; 702. a drum; 8. and an upper support plate.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 5:

the utility model provides a checking fixture for the comprehensive position degree of a gear hole, which comprises a base 1, a clamping block 2, a rotating handle 3, a detection bracket 5, a detection head 6, a lower support disc 7 and an upper support disc 8; the upper surface of the base 1 is fixedly connected with a push cylinder 4 at four top points respectively, the top corners of the base 1 are fixedly connected with four outer supports 101, and slide rails 1011 are fixedly arranged above the outer supports 101 and the base 1, the base 1 of the structure is shown in fig. 2, the slide rails 1011 are arranged on the base 1, and the clamping block 2 can be clamped towards the middle under the action of the push cylinders 4; the clamping block 2 is fixedly connected with the output end of the push cylinder 4; the rotating handle 3 is fixedly connected above the clamping wheel 202 of one clamping block 2; the bottom of the detection bracket 5 is fixedly connected to the upper surface of the base 1; the detection head 6 is fixedly connected below the detection bracket 5; the lower supporting disc 7 is fixedly connected to the upper surface of the base 1; the upper supporting disk 8 is movably connected above the lower supporting disk 7.

Wherein, the top fixedly connected with of clamp splice 2 is a fulcrum shaft 201, and be connected with a department through the bearing rotation on the fulcrum shaft 201 and press from both sides the wheel 202, the clamp splice 2 of this structure is as shown in fig. 2, press from both sides the wheel 202 of this structure through bearing swing joint on the clamp splice 2, it is rotatable to press from both sides the wheel 202, after pressing from both sides the wheel 202 and press from both sides the gear under the effect of pushing away the cylinder 4, gear and press from both sides the wheel 202 and all can rotate, can rotate the wheel 202 through control turning handle 3, make and press from both sides the wheel 202 and drive the gear rotation in the middle of, the detection head 6 of top is fixed motionless and the position change of recording gear hole, realize the detection of.

Wherein, twelve drum grooves 701 have been seted up to the top of lower supporting disk 7, and the inside rotation of drum groove 701 is connected with cylinder 702, and lower supporting disk 7 is the annular structure, the lower surface processing of going up supporting disk 8 has the outer fringe, and it is the annular structure equally to go up supporting disk 8, lower supporting disk 7 of this structure is as shown in fig. 3, still be equipped with lower supporting disk 7 and last supporting disk 8 in the below of gear, install twelve gyro wheels on the contact surface of two supporting disks, when upper supporting disk 8 rotates, rolling friction takes place for the contact surface between lower supporting disk 7 and the last supporting disk 8, noise and vibrations that produce when can alleviate frictional force and gear rotation.

The specific use mode and function of the embodiment are as follows:

the utility model discloses in, the gear that will be detected is placed on last supporting disk 8, control current push away jar 4, promote 2 tight to the centre clamps of clamping block everywhere, make the tooth on the tooth meshing gear on the clamp wheel 202, press from both sides the gear and press from both sides the intermediate position on 8 top surfaces of last supporting disk, control prior art's built-in infrared distance sensor's detection head 6 records the position in gear hole, can rotate clamp wheel 202 through hand turning handle 3, make the gear rotation in the middle of clamp wheel 202 drives, the detection head 6 rigid of top, the position change in simultaneous recording gear hole, realize the detection of gear hole position degree, can see, compared with current check out test set has increased and can carry out the control that the position degree changes through the loose gear, traditional fixed gear has been changed and has been carried out the mode that detects, the precision of detection has further been improved.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims (5)

1. The utility model provides a gear hole comprehensive position degree examines utensil which characterized in that: comprises a base (1), a clamping block (2), a rotating handle (3), a detection bracket (5), a detection head (6), a lower supporting disk (7) and an upper supporting disk (8); the four centers of the upper surface of the base (1) are respectively and fixedly connected with a pushing cylinder (4); the clamping block (2) is fixedly connected with the output end of the push cylinder (4); the rotating handle (3) is fixedly connected above the clamping wheel (202) of one clamping block (2); the bottom of the detection bracket (5) is fixedly connected to the upper surface of the base (1); the detection head (6) is fixedly connected below the detection bracket (5); the lower supporting disc (7) is fixedly connected to the upper surface of the base (1); the upper supporting disc (8) is movably connected above the lower supporting disc (7).

2. The gear hole comprehensive position degree testing fixture of claim 1, characterized in that: the corner of the base (1) is fixedly connected with four outer seats (101), and sliding rails (1011) are fixedly arranged above the outer seats (101) and the base (1).

3. The gear hole comprehensive position degree testing fixture of claim 1, characterized in that: a fulcrum shaft (201) is fixedly connected above the clamping block (2), and a clamping wheel (202) is rotatably connected to the fulcrum shaft (201) through a bearing.

4. The gear hole comprehensive position degree testing fixture of claim 1, characterized in that: twelve roller grooves (701) are formed in the upper portion of the lower supporting plate (7), a roller (702) is rotatably connected to the inner portion of each roller groove (701), and the lower supporting plate (7) is of a circular ring structure.

5. The gear hole comprehensive position degree testing fixture of claim 1, characterized in that: the lower surface of the upper supporting disc (8) is provided with an outer edge, and the upper supporting disc (8) is also of a circular ring structure.

Images