CN212620549U - Coaxiality measuring device and system - Google Patents
Coaxiality measuring device and system Download PDFInfo
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- CN212620549U CN212620549U CN202021210102.3U CN202021210102U CN212620549U CN 212620549 U CN212620549 U CN 212620549U CN 202021210102 U CN202021210102 U CN 202021210102U CN 212620549 U CN212620549 U CN 212620549U
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Abstract
The utility model relates to a technical field is measured to the axiality, provides a axiality measuring device and system. The coaxiality measuring device provided by the embodiment of the utility model supports the device by pushing the base, clamps, positions and drives one end of the measured workpiece through the main positioning unit, and compresses and positions the other end of the measured workpiece through the auxiliary positioning unit; and measuring the coaxiality of the rotating measured workpiece through the measuring unit. The utility model discloses axiality measuring device, it is high to the axiality measurement efficiency of the work piece that is surveyed, the error is little.
Description
Technical Field
The utility model relates to a technical field is measured to the axiality, specifically relates to an axiality measuring device and system.
Background
The existing coaxiality measuring device generally places a measured workpiece in a v-shaped table, drives the measured workpiece to rotate, places a dial indicator on the surface of the measured workpiece, and measures the coaxiality of the measured workpiece; the measurement mode has inaccurate positioning, so that the measured workpiece is extremely easy to shake, and the coaxiality error of the measured workpiece measured by the dial indicator is increased.
Disclosure of Invention
The embodiment of the utility model provides a axiality measuring device and system can be so that the axiality measurement of being surveyed the work piece efficient, and the error is low. The specific technical scheme is as follows:
a first aspect of the embodiments of the present invention provides a coaxiality measuring apparatus, including a base, a main positioning unit, an auxiliary positioning unit, and a measuring unit, wherein the measuring unit is close to the main positioning unit, the main positioning unit includes a main support, and a driving rotating handle, a transmission shaft, and a chuck, which are connected in sequence by transmission, the main support is fixedly connected to the upper end of the base, and the transmission shaft is connected with the main support by a pin; the auxiliary positioning unit comprises a transverse elastic part, an auxiliary sliding seat and a tip which is in pin connection with the auxiliary sliding seat, and the auxiliary sliding seat is positioned above the base and can transversely slide relative to the main support; the chuck and the tip are coaxial; when the auxiliary sliding seat is far away from the main support, the transverse elastic piece is stretched; the measuring unit comprises an upright post, a sliding block locking part, a vertical elastic part and a dial indicator, wherein the upright post is connected with the base, the sliding block is vertically and slidably connected with the upright post, the vertical elastic part releases downward elastic force on the sliding block, the dial indicator is fixedly connected with the sliding block, and the sliding block locking part can lock the sliding block and the upright post; the dial indicator is positioned between the chuck and the tip and above the coaxial line of the chuck and the tip.
Further, the measuring unit further comprises a stand column locking piece, the stand column is connected with the base in a transverse sliding mode, and the base and the stand column can be locked by the stand column locking piece.
Furthermore, the measuring unit also comprises a transverse lifting handle and a vertical lifting rod, the transverse lifting handle is positioned above the sliding block, and one end of the transverse lifting handle is hinged with the upright post; the upper end of the vertical lifting rod is connected with the transverse lifting handle in a sliding mode, and the lower end of the vertical lifting rod is fixedly connected with the sliding block.
Furthermore, the measuring unit further comprises an elastic piece adjusting hand wheel, the elastic piece adjusting hand wheel is vertically screwed with the upright column, and the vertical elastic piece is extruded between the elastic piece adjusting hand wheel and the sliding block.
Further, assist the positioning unit still including assisting the support, assist support fixed connection in the upper end of base, be connected with the slide bar between main support and the assistance support, assist slide and slide bar sliding connection.
Furthermore, one end of the transverse elastic piece is fixedly connected with the main support, and the other end of the transverse elastic piece is fixedly connected with the auxiliary sliding seat.
A second aspect of the embodiments of the present invention provides a coaxiality measuring system, which includes the coaxiality measuring apparatus provided in the first aspect, and further includes a workpiece to be measured; one end of the workpiece to be measured is clamped and fixed by the chuck, and the other end of the workpiece to be measured is pressed and positioned by the tip; and the measuring rod of the dial indicator is contacted with the workpiece to be measured.
The coaxiality measuring device provided by the embodiment of the utility model supports the device by pushing the base, clamps and positions one end of a workpiece to be measured by the chuck in the main positioning unit, drives the chuck to rotate by driving the rotating handle, compresses tightly and positions the other end of the workpiece to be measured by the top in the auxiliary positioning unit, adjusts the distance between the chuck and the top by the transverse sliding of the auxiliary sliding seat relative to the main support, so that the size of the workpiece to be measured can be adapted, and provides tension for the auxiliary sliding seat by the transverse elastic part, so that the top can compress the workpiece to be measured; the utility model discloses a measuring unit, including slider, slider retaining member, the slider of slider retaining member, the measured workpiece of contact measured workpiece in through the measuring unit can carry out the measurement of axiality to the measured workpiece of pairing rotation, can adjust the height of percentage table along the vertical slip of stand through the slider to the size of adaptation measured workpiece, exert decurrent elasticity and percentage table to the contact pressure of measured workpiece through vertical elastic component to the slider, lock between slider and the stand through the slider retaining member, make the height of percentage table can be fixed. The utility model discloses axiality measuring device, it is high to the axiality measurement efficiency of the work piece that is surveyed, the error is little.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a schematic front view of a coaxiality measuring apparatus according to an embodiment of the present invention.
Fig. 2 is a schematic side view of the coaxiality measuring apparatus according to the embodiment of the present invention.
10, a base; 21. a main support; 22. driving the rotating handle; 23. a drive shaft; 24. a chuck; 31. a transverse elastic member; 32. an auxiliary slide seat; 33. a tip; 34. an auxiliary support; 41. a column; 42. a slider; 43. a vertical elastic member; 44. a dial indicator; 51. transversely lifting the handle; 52. a vertical lifting rod; 60. an elastic piece adjusting hand wheel; 70. a slide bar.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. The terms "first," "second," and the like, herein, merely denote the presence of a particular element or device, and are not intended to be limiting.
As shown in fig. 1-2, the embodiment of the present invention provides a coaxiality measuring apparatus, which comprises a base 10, a main positioning unit, an auxiliary positioning unit and a measuring unit, wherein the measuring unit is close to the main positioning unit, the main positioning unit comprises a main support 21 and a driving rotating handle 22, a transmission shaft 23 and a chuck 24, which are sequentially connected in a transmission manner, the main support 21 is fixedly connected to the upper end of the base 10, and the transmission shaft 23 is in pin connection with the main support 10; the auxiliary positioning unit comprises a transverse elastic piece 31, an auxiliary sliding seat 32 and an apex 33 in pin connection with the auxiliary sliding seat 32, and the auxiliary sliding seat 32 is positioned above the base 10 and can transversely slide relative to the main support 21; the chuck 24 and the tip 33 are coaxial; when the auxiliary sliding seat 32 moves away from the main support 10, the transverse elastic element 31 is stretched; the measuring unit comprises a vertical column 41, a sliding block 42, a sliding block locking piece, a vertical elastic piece 43 and a dial indicator 44, wherein the vertical column 41 is connected with the base 10, the sliding block 42 is vertically and slidably connected with the vertical column 41, the vertical elastic piece 43 releases downward elastic force on the sliding block 42, the dial indicator 44 is fixedly connected with the sliding block 42, and the sliding block locking piece can lock the sliding block 42 and the vertical column 41; the dial gauge 44 is located between the chuck 24 and the tip 33 and above the coaxial line of the chuck 24 and the tip 33.
Wherein, the measuring unit still includes first support and first support, and the equal fixed connection of first support and first support is in the upper end of base 10, is connected with the stand slide bar between first support and the first support, and the bottom of stand 41 is equipped with horizontal through-hole, and the stand slide bar passes horizontal through-hole for stand 41 and stand slide bar horizontal sliding connection.
The measuring unit further comprises a transverse lifting handle 51 and a vertical lifting rod 52, the transverse lifting handle 51 is located above the sliding block 42, and one end of the transverse lifting handle 51 is hinged to the upright post 41; the upper end of the vertical lifting rod 52 is connected with the horizontal lifting handle 51 in a sliding way, and the lower end is fixedly connected with the sliding block 42. Specifically, a straight hole is formed in the transverse lifting handle 51, a screw rod is arranged on the side portion of the upper end of the vertical lifting rod 52, the screw rod penetrates through the straight hole, and a nut is screwed on the end portion of the screw rod; so that the screw rod can slide in the linear hole when the transverse lifting handle 51 rotates clockwise and anticlockwise around the junction.
The measuring unit further comprises an elastic piece adjusting hand wheel 60, the elastic piece adjusting hand wheel 60 is vertically screwed with the upright post 41, and the vertical elastic piece 43 is extruded between the elastic piece adjusting hand wheel 60 and the sliding block 42. Specifically, when the elastic member adjusting hand wheel 60 is rotated clockwise, the elastic member adjusting hand wheel 60 is moved downward, so that the vertical elastic member 43 is compressed; when the elastic member adjusting handwheel 60 is rotated counterclockwise, the elastic member adjusting handwheel 60 is moved upward, so that the vertical elastic member 43 is stretched.
The auxiliary positioning unit further comprises an auxiliary support 34, the auxiliary support 34 is fixedly connected to the upper end of the base 10, a sliding rod 70 is connected between the main support 21 and the auxiliary support 34, and the auxiliary sliding seat 32 is slidably connected with the sliding rod 70.
One end of the transverse elastic member 31 is fixedly connected with the main support 21, and the other end is fixedly connected with the auxiliary sliding seat 32.
Wherein, the driving rotating handle 22 comprises a rotating disk and a handle fixed on the edge of the rotating disk; the transverse elastic member 31 and the vertical elastic member 43 are both springs; the tip 33 is a conical structure, so that the conical tip contacts with a workpiece to be detected; the slide block locking piece is a screw rod knob, the slide block 42 is provided with a thread through hole, the screw rod knob is screwed with the thread through hole, when the screw rod knob is rotated clockwise, the screw rod knob moves into the thread through hole and can be contacted and propped against the upright post 21, so that the slide block 42 and the upright post 41 are locked; the chuck 24 is a three-jaw chuck, can fix the outer diameter and the inner diameter, and is convenient to use.
The embodiment of the utility model provides a coaxiality measuring system, including coaxiality measuring device and measured work piece, one end of measured work piece is held fixedly by chuck 24, the other end is compressed tightly by top 33 and is fixed; the measuring rod of the dial indicator 44 is in contact with the workpiece to be measured.
The utility model discloses axiality measuring device and system as follows during the use:
releasing the slide block locking piece and the upright post locking piece; the free end of the transverse lifting rod is held by a hand, the transverse lifting rod is lifted upwards, so that the transverse lifting rod drives the vertical lifting rod to move upwards, the sliding block fixedly connected with the vertical lifting rod slides upwards along the upright column, the dial indicator moves upwards, and the vertical elastic piece is compressed by the sliding block; simultaneously, pulling the auxiliary sliding seat to the direction far away from the main support so that the transverse elastic piece is stretched; one end of a workpiece to be measured is placed in the chuck, the workpiece to be measured is clamped and positioned through clamping jaws of the chuck, the auxiliary sliding seat is pushed towards the direction close to the main support, so that the tip is in contact with the other end of the workpiece to be measured, and at the moment, the transverse elastic part still does not completely contract, so that the transverse elastic part has tension on the auxiliary sliding seat, and the tip can tightly press the workpiece to be measured; the free end of the transverse lifting rod is held by a hand, the transverse lifting rod is released downwards, the compressed vertical elastic piece releases elastic force downwards, the sliding block is pushed downwards by the vertical elastic piece, the dial indicator moves downwards, and the measuring rod of the dial indicator is in contact with the surface of the workpiece to be measured; the compression amount of the elastic part is adjusted by rotating the elastic part adjusting hand wheel, so that the pressure of a measuring rod of the dial indicator on the surface of the workpiece to be measured meets the requirement; adjusting the slide block locking piece to enable the slide block locking piece to lock the slide block and the upright post; pushing the upright post to transversely slide along the upright post slide rod, so that the measuring rod of the dial indicator moves to the position of the measured workpiece needing to measure the coaxiality; the driving rotating handle is rotated, so that the transmission shaft and the chuck are sequentially driven to rotate, the workpiece to be measured is driven to rotate, and the dial indicator can measure the coaxiality of the workpiece to be measured.
It should be understood that the mounting between the structures in the embodiments of the present invention may refer to welding, bolting, screwing, scarf joining, and bonding; the connection between the pipes may be referred to as communication; the connection between the appliances may refer to an electrical connection. The present invention is not limited to the precise arrangements described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.
Claims (7)
1. The coaxiality measuring device is characterized by comprising a base, a main positioning unit, an auxiliary positioning unit and a measuring unit, wherein the measuring unit is close to the main positioning unit, the main positioning unit comprises a main support, a driving rotating handle, a transmission shaft and a chuck, the driving rotating handle, the transmission shaft and the chuck are sequentially connected in a transmission manner, the main support is fixedly connected to the upper end of the base, and the transmission shaft is in pin connection with the main support; the auxiliary positioning unit comprises a transverse elastic part, an auxiliary sliding seat and a tip which is in pin connection with the auxiliary sliding seat, and the auxiliary sliding seat is positioned above the base and can transversely slide relative to the main support; the chuck and the tip are coaxial; when the auxiliary sliding seat is far away from the main support, the transverse elastic piece is stretched; the measuring unit comprises an upright post, a sliding block locking part, a vertical elastic part and a dial indicator, wherein the upright post is connected with the base, the sliding block is vertically and slidably connected with the upright post, the vertical elastic part releases downward elastic force on the sliding block, the dial indicator is fixedly connected with the sliding block, and the sliding block locking part can lock the sliding block and the upright post; the dial indicator is positioned between the chuck and the tip and above the coaxial line of the chuck and the tip.
2. The coaxiality measuring device of claim 1, wherein the measuring unit further comprises a column lock, the column is connected with the base in a transverse sliding mode, and the column lock can lock the base and the column.
3. The coaxiality measuring device according to claim 1, wherein the measuring unit further comprises a transverse lifting handle and a vertical lifting rod, the transverse lifting handle is positioned above the sliding block, and one end of the transverse lifting handle is hinged with the upright; the upper end of the vertical lifting rod is connected with the transverse lifting handle in a sliding mode, and the lower end of the vertical lifting rod is fixedly connected with the sliding block.
4. The coaxiality measuring device according to claim 1, wherein the measuring unit further comprises an elastic piece adjusting hand wheel, the elastic piece adjusting hand wheel is vertically screwed with the upright column, and the vertical elastic piece is extruded between the elastic piece adjusting hand wheel and the sliding block.
5. The coaxiality measuring device according to claim 1, wherein the auxiliary positioning unit further comprises an auxiliary support, the auxiliary support is fixedly connected to the upper end of the base, a slide rod is connected between the main support and the auxiliary support, and the auxiliary slide seat is slidably connected with the slide rod.
6. The coaxiality measuring apparatus according to claim 1, wherein one end of the lateral elastic member is fixedly connected to the main support, and the other end thereof is fixedly connected to the auxiliary slide.
7. A coaxiality measuring system comprising the coaxiality measuring apparatus according to any one of claims 1 to 6, and a workpiece to be measured; one end of the workpiece to be measured is clamped and fixed by the chuck, and the other end of the workpiece to be measured is pressed and positioned by the tip; and the measuring rod of the dial indicator is contacted with the workpiece to be measured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021210102.3U CN212620549U (en) | 2020-06-24 | 2020-06-24 | Coaxiality measuring device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021210102.3U CN212620549U (en) | 2020-06-24 | 2020-06-24 | Coaxiality measuring device and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212620549U true CN212620549U (en) | 2021-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021210102.3U Active CN212620549U (en) | 2020-06-24 | 2020-06-24 | Coaxiality measuring device and system |
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| Country | Link |
|---|---|
| CN (1) | CN212620549U (en) |
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2020
- 2020-06-24 CN CN202021210102.3U patent/CN212620549U/en active Active
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Address after: No.21, Fengyi East Road, Fengjing Industrial Park, Fuyi District, Xi'an City, Shaanxi Province, 710300 Patentee after: Xi'an Qinding Precision Casting Manufacturing Co.,Ltd. Country or region after: China Address before: No.21, Fengyi East Road, Fengjing Industrial Park, Fuyi District, Xi'an City, Shaanxi Province, 710300 Patentee before: XI'AN QINDING PRECISION CASTING MANUFACTURING CO.,LTD. Country or region before: China |