CN114088038A - Bearing inner and outer diameter measurement auxiliary fixing device based on three coordinates and measurement method - Google Patents
Bearing inner and outer diameter measurement auxiliary fixing device based on three coordinates and measurement method Download PDFInfo
- Publication number
- CN114088038A CN114088038A CN202111385016.5A CN202111385016A CN114088038A CN 114088038 A CN114088038 A CN 114088038A CN 202111385016 A CN202111385016 A CN 202111385016A CN 114088038 A CN114088038 A CN 114088038A
- Authority
- CN
- China
- Prior art keywords
- bearing
- inner cavity
- measuring
- hole
- base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/10—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring diameters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/10—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring diameters
- G01B21/14—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring diameters internal diameters
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention relates to a bearing inner and outer diameter measurement auxiliary fixing device based on three coordinates and a measurement method, wherein the device comprises a base, a plurality of sliding blocks, a plurality of pressing covers, a plurality of spring fixing seats and a plurality of springs; a plurality of inner cavity holes are vertically arranged in the base at equal intervals, the upper end of each inner cavity hole is of a closing hole structure, and the lower part of each inner cavity hole is provided with internal threads; the sliding blocks are arranged in the inner cavity holes on the base in a one-to-one sliding manner; the spring fixing seats are arranged at the lower parts of the inner cavity holes one by one and are in threaded connection with the lower parts of the inner cavity holes; a plurality of springs are arranged in the inner cavity holes one by one, the upper ends of the springs are in compression contact with the lower ends of the corresponding sliding blocks, and the lower ends of the springs are in contact with the spring positioning surfaces corresponding to the upper ends of the spring fixing seats. The gland is fixedly arranged at the upper end of the base through a screw, and a U-shaped opening is formed in the position, corresponding to each inner cavity hole, of the gland; and limiting blocks for clamping and fixing the bearing outer ring are symmetrically arranged at the intersection of the sliding hole section and the fixed hole section on the two sides of each U-shaped opening. The invention improves the measurement precision and the measurement efficiency of the bearing.
Description
Technical Field
The invention belongs to the field of precision measurement, relates to the technical field of bearing measurement, and relates to a bearing inner and outer diameter measuring device and method based on three coordinates.
Background
The bearing is an important part in the modern mechanical equipment. Its main function is to support the mechanical rotator, reduce the friction coefficient in its motion process, and guarantee its gyration precision. In the high-precision assembly, the bearing generally carries out the size with other parts and joins in marriage the construction installation, if too big with bearing complex hole or axle and bearing fit clearance, can lead to the bearing to rock, will lose gyration precision, fit clearance undersize can lead to unable installation or make the bearing produce deformation. Micron-scale accurate measurement of the inner and outer diameters of the bearing is necessary to facilitate machining and later assembly of the dimensions matched with the bearing. Because the self structure of bearing, there is certain motion each other between the outer lane, is difficult to realize the simultaneous measurement of internal diameter and external diameter, and the outer lane is measured respectively and can lead to measurement of inefficiency, and the internal diameter measurement is difficult to fix. Therefore, an auxiliary tool for positioning the bearing is needed to realize the simultaneous measurement of the inner ring and the outer ring of the bearing.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a bearing inner and outer diameter measurement auxiliary fixing device and a bearing inner and outer diameter measurement auxiliary fixing method based on three coordinates, which can improve the bearing measurement efficiency and measurement precision.
One of the above objects of the present invention is achieved by the following technical solutions:
the utility model provides an external diameter measurement auxiliary fixture in bearing based on three coordinates which characterized in that: the device comprises a base, a plurality of sliding blocks, a plurality of pressing covers, a plurality of spring fixing seats and a plurality of springs;
a plurality of inner cavity holes are vertically arranged in the base at equal intervals, the upper end of each inner cavity hole is of a closing hole structure, and an internal thread is arranged at the lower part of each inner cavity hole; the upper end of the base is provided with a plurality of threaded holes connected with the gland and a plurality of counter bores connected with a three-coordinate measuring flat plate;
the sliding blocks are arranged in a plurality of inner cavity holes on the base in a one-to-one sliding mode, each sliding block is composed of a large cylinder and a small cylinder, the large-diameter cylinder located at the lower portion is matched with the inner cavity hole in a sliding contact mode, the small-diameter cylinder located at the upper portion is matched with the closing hole in a sliding contact mode, and a chamfering surface is arranged at the upper end of the small-diameter cylinder;
the spring fixing seats are arranged at the lower parts of the inner cavity holes one by one, and the outer surface of each spring fixing seat is provided with an external thread which is in threaded connection with the internal thread at the lower part of the inner cavity hole;
the springs are arranged in the inner cavity holes one by one, the upper ends of the springs are in compression contact with the lower ends of the corresponding sliding blocks, and the lower ends of the springs are in contact with the spring positioning surfaces corresponding to the upper ends of the spring fixing seats.
The gland is provided with a screw hole corresponding to a threaded hole at the upper end of the base, the gland is fixedly arranged at the upper end of the base through a screw, a U-shaped opening is formed in the gland corresponding to each inner cavity hole, the U-shaped opening is composed of a rectangular sliding hole section and a semicircular fixed hole section, the width of the sliding hole section is equal to the outer diameter of the bearing, and the diameter of the fixed hole section is equal to the outer diameter of the bearing; and limiting blocks for clamping and fixing the bearing outer ring are symmetrically arranged at the intersection of the sliding hole section and the fixed hole section on the two sides of each U-shaped opening.
And further: each spring fixing seat is composed of a small-diameter cylindrical section and a large-diameter cylindrical section which are arranged up and down, and an external thread is arranged on the outer cylindrical surface of the large-diameter cylindrical section; the upper end of the large-diameter cylindrical section forms a spring positioning surface which is contacted with the lower end of the spring;
further: the center of the spring fixing seat is provided with a through hole.
And further: the position that the lower limb of every stopper corresponds to the U-shaped trompil all is provided with one and falls L to location mouth, the stile of location mouth and the side coplane that corresponds the U-shaped trompil, the last horizontal limit of location mouth is stretched out to the top of U-shaped trompil, and the distance between the top surface of going up horizontal limit and corresponding sliding block is unanimous with the thickness of the volume of awaiting measuring bearing, goes up the length of popping out on horizontal limit and the bearing outer loop and compares thickness unanimously.
The second purpose of the invention is realized by the following technical scheme:
a bearing inner and outer diameter measuring method based on three coordinates is characterized in that: the measuring method adopts the auxiliary fixing device and comprises the following measuring steps:
The auxiliary fixing device is fixed on a three-coordinate measuring flat plate by screws through counter bores on the base, so that the central connecting lines of a plurality of inner cavity holes on the auxiliary fixing device are parallel to the X-axis direction of the three-coordinate measuring flat plate.
The bearings are inserted into positions between the limiting blocks and the sliding blocks from the outer ends of the U-shaped openings one by one, the U-shaped openings realize the positioning of the bearings in the XY direction, the limiting blocks and the sliding blocks realize the limiting of the bearings in the Z direction through the extrusion action of the springs, and the bearings are fixed;
3.1 firstly compiling a measuring program of a first bearing, then editing the measuring quantity and the measuring distance by using a three-coordinate array module, modifying the naming of measuring elements, and finishing the compiling of the whole program;
3.2 according to the written measuring program, measuring the inner bore diameter and the outer bore diameter of the plurality of bearings.
The invention has the advantages and positive effects that:
1. this supplementary fixing device can realize the XY to the location to the bearing through the U-shaped trompil on the gland, through setting up in the locating piece of U-shaped trompil upper end both sides and through the spring top pressure install in the sliding block on base inner chamber hole upper portion, the Z to the location to the bearing has been realized, and realize the fixed of bearing inner race and inner circle, because of exert the fixed force on bearing inner race and outer lane through the spring action and be greater than the measuring power on three-coordinate measuring equipment far away, guaranteed in the measurement process, the interior outer lane of bearing can not take place to rotate.
2. This supplementary fixing device sets up a plurality of inner chamber holes on the base to correspond on the gland and set up a plurality of U-shaped trompils, but a plurality of bearings of fixed mounting once, thereby can realize once measuring a plurality of bearings, and then improved measurement of efficiency.
3. By means of the auxiliary measuring and fixing device, the inner ring and the outer ring of the plurality of bearings can be measured in a programming mode, and the measuring efficiency and the measuring precision are greatly improved.
Drawings
FIG. 1 is a front elevational view of an auxiliary fixture of the present invention;
FIG. 2 is an overall sectional view of the auxiliary fixture of the present invention;
FIG. 3 is a front three-isometric view of the base of the present invention 1;
FIG. 4 is a front three-isometric view of the base of the present invention, FIG. 2;
FIG. 5 is a cross-sectional view of the threaded bore and counterbore of the base of the present invention;
FIG. 6 is a half sectional view of the base of the present invention;
FIG. 7 is a schematic structural diagram of the slider of the present invention 1;
FIG. 8 is a schematic structural view of the slider of the present invention FIG. 2;
FIG. 9 is a schematic view of the spring holder of the present invention shown in FIG. 1;
FIG. 10 is a schematic view of the spring holder of the present invention shown in FIG. 2;
FIG. 11 is a schematic view of the gland of the present invention;
FIG. 12 is a schematic view of the present invention showing an auxiliary fixture on a three-dimensional measurement plate;
FIG. 13 is a schematic view of the external appearance of the auxiliary fixing device after being installed on the bearing according to the present invention;
FIG. 14 is a half sectional view of the present invention after the auxiliary fixture is installed in the bearing;
FIG. 15 is a reference diagram of the present invention for writing a measurement program.
Detailed Description
The structure of the present invention will be further described by way of examples with reference to the accompanying drawings. It is to be understood that this embodiment is illustrative and not restrictive.
An auxiliary fixing device for measuring the inner diameter and the outer diameter of a bearing based on three coordinates is disclosed, please refer to fig. 1-15, and mainly comprises a base 1, a sliding block 3, a gland 2, a spring fixing seat 5 and a spring 4. The gland and the base are fixed through four screws, and the connection of the gland and the base is mainly responsible for the positioning of the bearing placement. The sliding block is positioned at the innermost end of the cavity of the base, two excircles of the sliding block are respectively matched with the inner cavity hole and the step hole of the base, so that the sliding block can axially slide in the inner cavity of the base, and the upper end surface of the sliding block is slightly higher than the upper top surface of the base. The external thread of the spring fixing seat and the thread below the inner cavity of the base act with each other, a spring is installed between the spring fixing seat and the sliding block, and the upward pressure of the sliding block is adjusted according to the change condition of the abutting position of the spring fixing seat.
1) Base seat
Fig. 3 and 4 are schematic structural diagrams of the base, which mainly play a role in integral support and arrangement in connection with three coordinates. As shown in fig. 3, the upper surface of the base has four threaded holes 1.1 and two counter bores 1.2, the four threaded holes are used for connecting and fixing the base and the gland, and the two counter bores are used for connecting and fixing the base and the three-coordinate measuring plate. FIG. 5 is a cross-sectional view of a threaded bore and a counterbore. Three inner cavity holes 1.3 are designed in the base, as shown in fig. 6, the distance between every two adjacent inner cavity holes is equal, the array program can be conveniently written in three coordinates, the upper parts of the inner cavity holes are in a closed shape and are used for being matched with the sliding block, the sliding block can directionally slide in the inner cavity, and the lower parts of the inner cavities are designed into threads 1.4 and are used for being matched with the spring fixing seat.
2) Sliding block
Fig. 7 and 8 are schematic views of slider structures. The sliding block is installed in the base inner chamber, and it divide into three work portion, lower extreme cylinder 3.3 and base inner chamber hole cooperation, middle cylinder 3.2 and base upper end hole cooperation, two cylinders play slip and perpendicular to limiting displacement. Under non-user state, the slider upper end conical surface is higher than the base upper surface, and chamfer part 3.1 of upper end has guaranteed on the one hand after placing the bearing, and the top surface of slider contacts with the inner ring of bearing, and does not contact with the outer loop of bearing, and on the other hand has made things convenient for putting and taking of bearing.
3) Spring fixing seat
Fig. 9 and 10 are spring fixing base structural diagram, and spring fixing base comprises two cylinder sections, and lower cylinder section 5.2 is the screw thread post, cooperatees with the screw thread of base inner chamber, goes up cylinder section 5.1 and is the spacing cylinder of spring, prevents that the spring from rocking, and the spring fixing base center is through-hole 5.3 to in spring fixing base's manual rotation. Through the rotating spring fixing seat, the elastic force of the adjusting spring can be realized so as to change the upward extrusion force of the sliding block.
4) Gland
Fig. 11 is a schematic structural diagram of a gland, which is designed with three U-shaped openings corresponding to three inner cavities on a base one by one. The U-shaped trompil is by sliding hole section 2.1 and fixed orifices section 2.2, and the fixed slot inner circular arc diameter equals with the bearing outer diameter, and the width of sliding hole section equals with the bearing outer diameter. Four limiting blocks 2.3 are arranged on the pressure cover, the extending part of the upper end of the pressure cover is equal to the wall thickness of the outer ring of the bearing, and the limiting blocks are positioned at the intersection of the sliding hole section and the fixing hole section. The gland is fixedly connected with the base through screws and is used for uniquely positioning the bearing.
The method for measuring the inner diameter and the outer diameter of the bearing by adopting the auxiliary fixing device for measuring the inner diameter and the outer diameter of the bearing based on the three coordinates comprises the following steps:
1) placement of auxiliary fixing device
The bearing 100 fixture is fixed on the three-coordinate measuring plate 6 by screws through the counter bores of the base, and the U-shaped opening of the gland generally faces the operator, which facilitates the placement of the bearing by the operator, as shown in fig. 12. The arrangement mode can ensure that the central connecting lines of the plurality of inner cavity holes on the auxiliary fixing device are parallel to the X-axis direction of the three coordinates.
2) Fixing the bearing
Fig. 13 is a structural view showing the rear structure of the auxiliary fixture for mounting the bearing, and fig. 14 is a half sectional view showing the rear structure of the auxiliary fixture for mounting the bearing. The U-shaped opening completes the positioning of the bearing in the XY direction, the limit of the bearing in the Z direction is completed by the upward extrusion force of the limit block and the spring, and meanwhile, the fixing of the bearing is completed based on the elastic deformation of the spring.
3) Coordinate system establishment and measurement
Firstly, a measuring program of a first bearing is written, the measuring quantity and the measuring distance are edited by using a three-coordinate array module as shown in FIG. 15, and the measuring element names are modified to finish the writing of the whole program. In the subsequent measurement process, the placement position of the fixing device can be deviated, and the X, Y original point value in the first bearing measurement program can be modified to finish the repeated use of the program;
and (4) measuring the inner bore diameter and the outer bore diameter of the bearing according to the programmed measuring program.
Although the embodiments of the present invention and the accompanying drawings are disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit of the invention and the scope of the appended claims, and therefore the scope of the invention is not limited to the disclosure of the embodiments and the accompanying drawings.
Claims (5)
1. The utility model provides an external diameter measurement auxiliary fixture in bearing based on three coordinates which characterized in that: the device comprises a base, a plurality of sliding blocks, a plurality of pressing covers, a plurality of spring fixing seats and a plurality of springs;
a plurality of inner cavity holes are vertically arranged in the base at equal intervals, the upper end of each inner cavity hole is of a closing hole structure, and the lower part of each inner cavity hole is provided with internal threads; the upper end of the base is provided with a plurality of threaded holes connected with the gland and a plurality of counter bores connected with a three-coordinate measuring flat plate;
the sliding blocks are arranged in a plurality of inner cavity holes on the base in a one-to-one sliding mode, each sliding block is composed of a large cylinder and a small cylinder, the large-diameter cylinder located at the lower portion is matched with the inner cavity hole in a sliding contact mode, the small-diameter cylinder located at the upper portion is matched with the closing hole in a sliding contact mode, and a chamfering surface is arranged at the upper end of the small-diameter cylinder;
the spring fixing seats are arranged at the lower parts of the inner cavity holes one by one, and the outer surface of each spring fixing seat is provided with an external thread which is in threaded connection with the internal thread at the lower part of the inner cavity hole;
the springs are arranged in the inner cavity holes one by one, the upper ends of the springs are in compression contact with the lower ends of the corresponding sliding blocks, and the lower ends of the springs are in contact with the spring positioning surfaces corresponding to the upper ends of the spring fixing seats.
The gland is provided with a screw hole corresponding to a threaded hole at the upper end of the base, the gland is fixedly arranged at the upper end of the base through a screw, a U-shaped opening is formed in the gland corresponding to each inner cavity hole, the U-shaped opening is composed of a rectangular sliding hole section and a semicircular fixed hole section, the width of the sliding hole section is equal to the outer diameter of the bearing, and the diameter of the fixed hole section is equal to the outer diameter of the bearing; and limiting blocks for clamping and fixing the bearing outer ring are symmetrically arranged at the intersection of the sliding hole section and the fixed hole section on the two sides of each U-shaped opening.
2. The three-coordinate-based bearing inner and outer diameter measurement auxiliary fixing device of claim 1, wherein: each spring fixing seat is composed of a small-diameter cylindrical section and a large-diameter cylindrical section which are arranged up and down, and an external thread is arranged on the outer cylindrical surface of the large-diameter cylindrical section; the upper end of the large-diameter cylindrical section forms a spring positioning surface which is contacted with the lower end of the spring.
3. The three-coordinate-based bearing inner and outer diameter measurement auxiliary fixing device of claim 1, wherein: the center of the spring fixing seat is provided with a through hole.
4. The three-coordinate-based bearing inner and outer diameter measurement auxiliary fixing device of claim 1, wherein: the position that the lower limb of every stopper corresponds to the U-shaped trompil all is provided with one and falls L to location mouth, the stile of location mouth and the side coplane that corresponds the U-shaped trompil, the last horizontal limit of location mouth is stretched out to the top of U-shaped trompil, and the distance between the top surface of going up horizontal limit and corresponding sliding block is unanimous with the thickness of the volume of awaiting measuring bearing, goes up the length of popping out on horizontal limit and the bearing outer loop and compares thickness unanimously.
5. A measuring method adopting the bearing inner and outer diameter measuring auxiliary fixing device based on the three-coordinate system of any one of claims 1 to 4, which is characterized by comprising the following measuring steps:
step 1, placing an auxiliary fixing device on a three-coordinate measuring flat plate
The auxiliary fixing device is fixed on a three-coordinate measuring flat plate 6 by using screws through counter bores on the base, so that the central connecting lines of a plurality of inner cavity holes on the auxiliary fixing device are parallel to the X-axis direction of the three-coordinate measuring flat plate.
Step 2, fixing the bearing
The bearings are inserted into positions between the limiting blocks and the sliding blocks from the outer ends of the U-shaped openings one by one, the U-shaped openings realize the positioning of the bearings in the XY direction, the limiting blocks and the sliding blocks realize the limiting of the bearings in the Z direction through the extrusion action of the springs, and the bearings are fixed;
step 3, establishing a coordinate system and measuring the bearing workpiece
3.1 firstly compiling a measuring program of a first bearing, then editing the measuring quantity and the measuring distance by using a three-coordinate array module, modifying the naming of measuring elements, and finishing the compiling of the whole program;
3.2 according to the programmed measuring program, measuring the inner bore diameter and the outer bore diameter of the plurality of bearings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111385016.5A CN114088038B (en) | 2021-11-22 | 2021-11-22 | Bearing inner and outer diameter measurement auxiliary fixing device and measurement method based on three coordinates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111385016.5A CN114088038B (en) | 2021-11-22 | 2021-11-22 | Bearing inner and outer diameter measurement auxiliary fixing device and measurement method based on three coordinates |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114088038A true CN114088038A (en) | 2022-02-25 |
| CN114088038B CN114088038B (en) | 2023-06-20 |
Family
ID=80302635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111385016.5A Active CN114088038B (en) | 2021-11-22 | 2021-11-22 | Bearing inner and outer diameter measurement auxiliary fixing device and measurement method based on three coordinates |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114088038B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010029677A1 (en) * | 2000-04-12 | 2001-10-18 | Bidwell Steven T. | Gage set for measuring inside and outside diameters of ring shaped parts |
| CN205607304U (en) * | 2016-03-23 | 2016-09-28 | 新昌新天龙纽尚精密轴承有限公司 | Outside diameter detection device in bearing |
| CN209279835U (en) * | 2018-11-08 | 2019-08-20 | 沪东重机有限公司 | Three-dimensional coordinates measurement positioning assisting tooling for delivery valve seat detection |
| CN210802310U (en) * | 2019-10-18 | 2020-06-19 | 沈阳逸拓科技有限公司 | Bearing inner race internal diameter detection device |
| CN112355930A (en) * | 2020-10-30 | 2021-02-12 | 中国船舶重工集团公司第七0七研究所 | Quick measurement fixing device of belt ring roof beam gyration type part |
-
2021
- 2021-11-22 CN CN202111385016.5A patent/CN114088038B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010029677A1 (en) * | 2000-04-12 | 2001-10-18 | Bidwell Steven T. | Gage set for measuring inside and outside diameters of ring shaped parts |
| CN205607304U (en) * | 2016-03-23 | 2016-09-28 | 新昌新天龙纽尚精密轴承有限公司 | Outside diameter detection device in bearing |
| CN209279835U (en) * | 2018-11-08 | 2019-08-20 | 沪东重机有限公司 | Three-dimensional coordinates measurement positioning assisting tooling for delivery valve seat detection |
| CN210802310U (en) * | 2019-10-18 | 2020-06-19 | 沈阳逸拓科技有限公司 | Bearing inner race internal diameter detection device |
| CN112355930A (en) * | 2020-10-30 | 2021-02-12 | 中国船舶重工集团公司第七0七研究所 | Quick measurement fixing device of belt ring roof beam gyration type part |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114088038B (en) | 2023-06-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114088038A (en) | Bearing inner and outer diameter measurement auxiliary fixing device based on three coordinates and measurement method | |
| CN202209924U (en) | Oil hole measuring tool for engine connecting rod big end | |
| CN108534628A (en) | A method of it carrying out valve retainer end face using taper surface on rear side of valve retainer and justifies glitch detection | |
| CN103522226B (en) | Universal floating mechanism | |
| CN203437946U (en) | Positioning clamp for bearing seat hole boring | |
| CN204657540U (en) | Different plane angle hole frock clamp | |
| CN207703176U (en) | Integral shroud sawtooth positioning measuring device with tenon tooth blade | |
| CN110243325B (en) | Measuring device for long shaft parts and using method | |
| CN201950241U (en) | Device for processing small hole on small cylindrical surface | |
| CN204725184U (en) | After turn round beam trailing arm milling " R " fixture | |
| CN108907901B (en) | Precision grinding method for eccentric circle of crank shaft and special eccentric tool clamp | |
| CN205519806U (en) | Drilling special fixture of reduction case | |
| CN112355930B (en) | Quick measurement fixing device of belt ring roof beam gyration type part | |
| CN110153739B (en) | Clamp for turning eccentric part | |
| CN220805573U (en) | General frock in machining center shaft hole | |
| CN106180822A (en) | A kind of fast positioning clamping device | |
| CN204976198U (en) | A precision measurement device for measuring embedded microminiature work piece cutting output | |
| CN204867539U (en) | Motor cabinet boring grab | |
| CN219197838U (en) | Positioning pin capable of automatically positioning | |
| CN215700032U (en) | Hydraulic motor swash plate processing grouping fixture | |
| CN207914653U (en) | Guide wire bar drilling jig | |
| CN208872308U (en) | A kind of laser leveler pendulum mass | |
| CN217344481U (en) | Positioning fixture for CNC (computer numerical control) automation equipment | |
| CN216577266U (en) | Floating tool for automatic circumference indexing honing | |
| CN203599940U (en) | Inner hole positioning and expanding clamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |