CN218955642U - Parallel measuring device for winding block - Google Patents
Parallel measuring device for winding block Download PDFInfo
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- CN218955642U CN218955642U CN202222847479.5U CN202222847479U CN218955642U CN 218955642 U CN218955642 U CN 218955642U CN 202222847479 U CN202222847479 U CN 202222847479U CN 218955642 U CN218955642 U CN 218955642U
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Abstract
The utility model discloses a parallel measuring device for a winding block, which comprises: the measuring device comprises a winding block body, an opening cylinder, a connecting rod mechanism, a measuring pen and two opposite measuring chucks, wherein the winding block body comprises a base and two side guard plates, two measuring arms with deformable parallelogram structures are symmetrically arranged between the two side guard plates, the measuring chucks are arranged at the top ends of the measuring blocks in the middle of the two parallel measuring arms, and the measuring pen is propped against the measuring blocks in the other measuring arms after penetrating through a preset measuring hole in one measuring arm; the connecting rod mechanism comprises two connecting rods with tail parts connected in a pin mode, the top ends of the two connecting rods are connected with the two gauge blocks in a pin mode respectively, a through hole with a limiting pin hole is formed in the center of the base, and the telescopic rod of the open cylinder can extend into the through hole to push the tail pins to move linearly along the limiting pin hole. Through the mode, the balance of the workpiece clamping force during detection can be improved, the data sampling precision is improved, and the high-precision bearing processing requirement is met.
Description
Technical Field
The utility model relates to the field of detection tools, in particular to a parallel measuring device for a winding block.
Background
The motor bearing is a key component in the motor, the requirement on the diameter precision of the bearing in the bearing processing is higher, therefore, the workpiece is often required to be detected in the processing process, due to the higher bearing precision, when the special measuring ruler is used for measuring, the two sides of the bearing are required to be clamped by the measuring chucks and then are measured, the currently commonly used on-site measuring tool for the bearing is generally fixed at one side during clamping detection, the workpiece is clamped by the other side in a unidirectional way, and certain uneven stress necessarily exists in the checking mode, and although the checking can meet the checking requirement of the common motor bearing, certain sampling data distortion can occur to the detection data for some precise motors due to unbalanced stress at the two sides, so that the overall detection result evaluation is influenced.
Disclosure of Invention
The utility model mainly solves the technical problem of providing a measuring device which can measure the precision of a bearing and meet the machining and inspection requirements of the bearing for a precision motor.
In order to solve the technical problems, the utility model adopts a technical scheme that: there is provided a winding block parallelism measuring apparatus including: the measuring device comprises a winding block body, an opening cylinder, a connecting rod mechanism, a measuring pen and two opposite measuring chucks, wherein the winding block body comprises a base and two side guard plates, two parallel measuring arms are symmetrically arranged between the two side guard plates, the two parallel measuring arms are respectively a first measuring arm and a second measuring arm, the first measuring arm comprises a T-shaped first gauge block, a first elastic outer connecting plate and a first elastic inner connecting plate which are symmetrically arranged at two sides of the first gauge block, the first elastic outer connecting plate and the first elastic inner connecting plate are mutually parallel, one end of the first elastic outer connecting plate is fixed on the base, the other end of the first elastic outer connecting plate is fixed at the top end of the first gauge block, the second measuring arm has the same structure as the first measuring arm, the second measuring arm comprises a T-shaped second gauge block, a second elastic outer connecting plate and a second elastic inner connecting plate which are symmetrically arranged at two sides of the second gauge block, and half measuring chucks are respectively arranged at the outer sides of the top ends of the first gauge block and the second gauge block; the measuring pen comprises a first gauge block, a first elastic outer connecting plate, a first elastic inner connecting plate, a second elastic inner connecting plate and guard plates on corresponding sides, wherein continuous through measuring holes are formed in the first gauge block, the first elastic outer connecting plate, the first elastic inner connecting plate, the second elastic inner connecting plate and the guard plates on corresponding sides, and the end heads of the measuring pen continuously penetrate through the guard plates on corresponding sides, the first measuring arm and the second elastic inner connecting plate and then are propped against the second gauge block; the connecting rod mechanism comprises two connecting rods with the same specification, the tail parts of the two connecting rods are connected together through tail pins, the top ends of the two connecting rods are respectively connected with the tail ends of the first gauge block and the second gauge block in a pin joint mode, a through hole is formed in the center of the base, limiting pin holes penetrating through two side faces of the base are formed in the through hole, the tail pins are arranged in the limiting pin holes, an opening cylinder is arranged outside the base, and a telescopic rod of the opening cylinder can extend into the through hole to push the tail pins to move linearly along the limiting pin holes.
In a preferred embodiment of the utility model, the measuring hole is located at the middle position of the guard plate.
In a preferred embodiment of the present utility model, a limiting groove is disposed at a contact position between the second gauge block and the end of the measuring pen.
In a preferred embodiment of the present utility model, a set screw is disposed on the first gauge block corresponding to the position of the measuring hole.
In a preferred embodiment of the present utility model, chuck bases with the same specification are installed between the first gauge block and the second gauge block and the corresponding half measuring chucks, and a plurality of long waist installation holes with the same specification are arranged on each chuck base in parallel. Limiting rails are arranged on the outer sides of the top ends of the first gauge block and the second gauge block, and protruding blocks matched with the limiting rails are arranged on the clamp seat. The limit rail extends to the top ends of the guard plates on the two sides.
In a preferred embodiment of the present utility model, two ends of the first elastic outer connecting plate are respectively provided with an arc notch structure, the thinnest part of the arc notch structure is not more than 1mm, the second elastic outer connecting plate has the same shape as the first elastic inner connecting plate, and the first elastic inner connecting plate and the second elastic inner connecting plate have the same mirror image shape as the second elastic inner connecting plate.
The beneficial effects of the utility model are as follows: the utility model improves the existing bearing measuring tool, utilizes the principle of parallelogram deformation, converts the diameter detection of a workpiece to be measured into the detection of the linear distance variation between two gauge blocks, and has the advantages of balanced force on two sides during bearing detection, high diameter data sampling precision, small fluctuation, more real and reliable data, capability of meeting the detection requirement of the bearing for a precision motor, and more convenient and efficient clamping of the workpiece to be measured due to the arrangement of a special clamping head during detection, and improvement of the working efficiency of field inspectors.
Drawings
FIG. 1 is a schematic perspective view of a preferred embodiment of the present utility model;
FIG. 2 is a schematic diagram of the front view of the preferred embodiment;
FIG. 3 is a schematic top view of the preferred embodiment;
the components in the drawings are marked as follows:
1. measuring pen, 2, around shape piece body, 3, open cylinder, 4, link mechanism, 5, the terminal pin, 6.
The measuring clamp comprises a connecting pin, a measuring clamp head, a clamp head seat and a long waist positioning hole, wherein the connecting pin is provided with the measuring clamp head, the measuring clamp head is provided with the clamp head seat, and the long waist positioning hole is provided with the long waist positioning hole;
201. limiting pin holes, 202, first measuring arms, 203, second measuring arms, 204, limiting rails, 205.
A through hole;
2021. first elastic outer connection plate, 2022. First gauge block, 2023. First elastic inner connection plate
Plate, 2024 positioning bolts;
2031. the second elastic outer connecting plates 2032, the second gauge blocks 2033, the second elastic inner connecting plates 2034 and the limit grooves.
Detailed Description
The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.
Referring to fig. 1 to 3, an embodiment of the present utility model includes:
a wrapped-block parallelism measuring apparatus, the wrapped-block parallelism measuring apparatus comprising: the measuring device comprises a winding block body 2, an opening cylinder 3, a connecting rod mechanism 4, a measuring pen 1 and two measuring chucks 7 which are oppositely arranged, wherein the winding block body 2 comprises a base and two side guard plates, two parallel measuring arms are symmetrically arranged between the two side guard plates, the two parallel measuring arms are respectively a first measuring arm 202 and a second measuring arm 203, the first measuring arm 202 comprises a T-shaped first gauge block 2022, a first elastic outer connecting plate 2021 and a first elastic inner connecting plate 2023 which are symmetrically arranged at two sides of the first gauge block 2022, the first elastic outer connecting plate 2021 and the first elastic inner connecting plate 2023 are parallel to each other, one end of each of the first elastic outer connecting plate 2023 is fixed on the base, the other end of each of the first elastic inner connecting plate is fixed at the top end of the first gauge block 2022, the second measuring arm 203 has the same structure as the first measuring arm 202, the two parallel measuring arms comprise a second gauge block 2032, second elastic outer connecting plates 2031 and second elastic inner connecting plates 2033 which are symmetrically arranged at two sides of the second gauge block 2032, and one measuring chuck 2023 is respectively arranged at the outer sides of the top ends of the first gauge block 2032;
the first gauge block 2022, the first elastic outer connecting plate 2021, the first elastic inner connecting plate 2023, the second elastic inner connecting plate 2033 and the guard plates on the corresponding sides are provided with continuous through measuring holes, the end heads of the measuring pen 1 continuously penetrate through the guard plates on the corresponding sides, the first measuring arm 202 and the second elastic inner connecting plate 2033 and then are propped against the second gauge block 2032, and positioning bolts 2024 are arranged on the first gauge block 2022 corresponding to the measuring holes; the link mechanism 4 comprises two links with the same specification, the tail parts of the two links are connected together through a tail pin 5, the top ends of the two links are respectively connected with the tail ends of the first gauge block 2022 and the second gauge block 2032 through a connecting pin 6,
the base central point puts and sets up the through-hole 205, set up on the through-hole and run through spacing pinhole 201 of two opposite sides of base, the direction and the backplate of spacing pinhole 201 are parallel, the terminal pin 5 is installed in the spacing pinhole 201, open cylinder 3 installs in the base outside intermediate position, still sets up the through-hole 205 in the middle of the base, open cylinder 3's telescopic link stretches into in the through-hole 205, promote terminal pin 5 is along spacing pinhole 201 rectilinear motion.
Specifically, when the telescopic rod stretches out, the end of the telescopic rod can prop up the tail parts of the two connecting rods, the two connecting rods expand outwards due to the action of the limiting pin holes 201 to push the first gauge block 2022 and the second gauge block 2032 to open outwards at the same time, and because all elastic connecting plates are identical in specification and the first gauge block 2022 and the second gauge block 2032 are of T-shaped structures, according to the shape characteristics of a parallelogram, the first gauge block 2022 and the second gauge block 2032 can only translate to two sides to drive the two measuring chucks 7 to open to two sides, after a workpiece to be measured is clamped, the telescopic rod is retracted, the four elastic connecting plates act towards the middle at the same time to drive the first gauge block 2022 and the second gauge block 2032 to translate towards the middle, and after the telescopic rod is stationary, the vertical distance between the two gauge blocks is the diameter of the workpiece to be measured.
The contact position of the second gauge block 2032 and the end of the measuring pen 1 is provided with a limit groove 2034, the limit groove 2034 substantially defines the measuring range of the device, and when the end of the measuring pen exceeds the limit groove 2034, the deformation of the 4 elastic connection plates is too large, and the corresponding measuring precision is reduced.
The first gauge block 2022, the second gauge block 2032 and the corresponding measuring chucks 7 are provided with chuck bases 8 with the same specification, and a plurality of long waist mounting holes 9 with the same specification are arranged on each chuck base 8 in parallel. The outer sides of the top ends of the first gauge block 2022 and the second gauge block 2032 are provided with limit rails 204, and the chuck base 8 is provided with bumps matched with the limit rails 204. The limit rail 204 extends to the top of the two side guard plates. The relative position between the two measuring chucks 7 can be adjusted through the long waist mounting holes 9 when no workpiece exists, so that the measuring requirements of different kinds of workpieces can be met, the lateral displacement of the chuck base 8 during position adjustment can be prevented from affecting the clamping action direction by the limiting track 204, and the measuring precision is reduced. And the limit rail 204 can prevent the clip seat 8 from colliding with the guard board during measurement after extending to the top end of the guard board
The two ends of the first elastic outer connecting plate 2021 are respectively provided with an arc notch structure, the thinnest part of the arc notch structure is not more than 1mm, the second elastic outer connecting plate 2031 is identical to the first elastic inner connecting plate 2023 and the second elastic inner connecting plate 2033 in shape and mirror image shape. By using the structure, the performance of the spring steel sheet at the thinnest part can be kept at the integral rigidity, so that the requirement of parallelogram deformation generated after the clamping arm is stressed is met, and meanwhile, the structure has better restoring force, and the measuring chuck 7 can be driven to clamp a workpiece to be measured.
The working principle of the utility model is as follows:
before measurement, the measuring pen 1 is inserted into the measuring pen and fixed at the position by the positioning bolt 2024, the end head of the measuring pen 1 is propped against the inner wall of the limiting groove 2034, the data of the measuring pen 1 are recorded, then the open cylinder is started, the measuring chuck 7 is opened, a workpiece is placed in the measuring chuck 7, the open cylinder 3 is closed, the two measuring arms automatically retract to the stable position and then rotate the measuring pen 1, the end head is propped against the inner wall of the limiting groove 2034 again, the measuring data are recorded, the difference value of the two measuring data is the diameter of the workpiece, and the measuring pen 1 is usually a micrometer with digital display.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (8)
1. A wrapped-block parallelism measuring apparatus, characterized in that the wrapped-block parallelism measuring apparatus comprises: the measuring device comprises a winding block body, an opening cylinder, a connecting rod mechanism, a measuring pen and two opposite measuring chucks, wherein the winding block body comprises a base and two side guard plates, two parallel measuring arms are symmetrically arranged between the two side guard plates, the two parallel measuring arms are respectively a first measuring arm and a second measuring arm, the first measuring arm comprises a T-shaped first gauge block, a first elastic outer connecting plate and a first elastic inner connecting plate which are symmetrically arranged at two sides of the first gauge block, the first elastic outer connecting plate and the first elastic inner connecting plate are mutually parallel, one end of the first elastic outer connecting plate is fixed on the base, the other end of the first elastic outer connecting plate is fixed at the top end of the first gauge block, the second measuring arm has the same structure as the first measuring arm, the second measuring arm comprises a T-shaped second gauge block, a second elastic outer connecting plate and a second elastic inner connecting plate which are symmetrically arranged at two sides of the second gauge block, and half measuring chucks are respectively arranged at the outer sides of the top ends of the first gauge block and the second gauge block;
the measuring pen comprises a first gauge block, a first elastic outer connecting plate, a first elastic inner connecting plate, a second elastic inner connecting plate and guard plates on corresponding sides, wherein continuous through measuring holes are formed in the first gauge block, the first elastic outer connecting plate, the first elastic inner connecting plate, the second elastic inner connecting plate and the guard plates on corresponding sides, and the end heads of the measuring pen continuously penetrate through the guard plates on corresponding sides, the first measuring arm and the second elastic inner connecting plate and then are propped against the second gauge block; the connecting rod mechanism comprises two connecting rods with the same specification, the tail parts of the two connecting rods are connected together through tail pins, the top ends of the two connecting rods are respectively connected with the tail ends of the first gauge block and the second gauge block in a pin joint mode, a through hole is formed in the center of the base, limiting pin holes penetrating through two opposite side faces of the base are formed in the through hole, the tail pins are arranged in the limiting pin holes, an opening cylinder is arranged outside the base, and a telescopic rod of the opening cylinder can enter the through hole to push the tail pins to move linearly along the limiting pin holes.
2. The wrapped block parallelism measurement apparatus according to claim 1, wherein the position of the measurement hole is at a middle position of the shield.
3. The parallel measuring device of a winding block according to claim 1, wherein a limiting groove is arranged at a contact position of the second gauge block and the end of the measuring pen.
4. The parallel measuring device of a winding block according to claim 1, wherein a set screw is arranged on the first gauge block corresponding to the measuring hole.
5. The parallel measuring device of the winding block according to claim 1, wherein the chuck bases with the same specification are arranged between the first gauge block and the second gauge block and the corresponding half measuring chucks, and a plurality of long waist mounting holes with the same specification are arranged on each chuck base in parallel.
6. The parallel measuring device of the winding block according to claim 5, wherein limit rails are arranged on the outer sides of the top ends of the first gauge block and the second gauge block, and the clamp seat is provided with a lug matched with the limit rails.
7. The wrapped block parallelism measurement apparatus according to claim 6, wherein the limit rail extends to both side guard plate top ends.
8. The parallel measuring device of winding block according to claim 1, wherein the two ends of the first elastic outer connecting plate are respectively provided with an arc notch structure, the thinnest part of the arc notch structure is not more than 1mm, the second elastic outer connecting plate is identical to the second elastic outer connecting plate in shape, and the first elastic inner connecting plate and the second elastic inner connecting plate are identical to the mirror image.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222847479.5U CN218955642U (en) | 2022-10-27 | 2022-10-27 | Parallel measuring device for winding block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222847479.5U CN218955642U (en) | 2022-10-27 | 2022-10-27 | Parallel measuring device for winding block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218955642U true CN218955642U (en) | 2023-05-02 |
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ID=86137049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222847479.5U Active CN218955642U (en) | 2022-10-27 | 2022-10-27 | Parallel measuring device for winding block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218955642U (en) |
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2022
- 2022-10-27 CN CN202222847479.5U patent/CN218955642U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A parallel measuring device for winding blocks Granted publication date: 20230502 Pledgee: Jiangsu Changshu Rural Commercial Bank Co.,Ltd. DONGBANG sub branch Pledgor: Changshu Yuheng Machinery Technology Co.,Ltd. Registration number: Y2024980012657 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |