CN117450980A - Screw pitch measuring device of solenoid - Google Patents
Screw pitch measuring device of solenoid Download PDFInfo
- Publication number
- CN117450980A CN117450980A CN202311804011.0A CN202311804011A CN117450980A CN 117450980 A CN117450980 A CN 117450980A CN 202311804011 A CN202311804011 A CN 202311804011A CN 117450980 A CN117450980 A CN 117450980A
- Authority
- CN
- China
- Prior art keywords
- vertical plate
- hollow shaft
- guide rail
- supporting table
- linear guide
- 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.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 230000005540 biological transmission Effects 0.000 claims description 13
- 238000005096 rolling process Methods 0.000 claims description 6
- 239000011295 pitch Substances 0.000 abstract description 33
- 238000005259 measurement Methods 0.000 abstract description 13
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- G01B21/16—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 distance of clearance between spaced objects
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a screw pitch measuring device of a screw, which comprises a sliding seat arranged on a supporting table, wherein a linear guide rail is arranged on the supporting table, a first vertical plate and a second vertical plate are respectively arranged on two sides of the top end of the supporting table, and a first abdicating hole is formed in each of the first vertical plate and the second vertical plate; the first vertical plate and the second vertical plate are respectively provided with a screw pipe clamping mechanism; the support table is also provided with a solenoid straightening mechanism for driving the vertical plate II to slide along the linear guide rail; the sliding seat is in sliding connection with the linear guide rail through a second sliding block; the sliding seat is fixedly connected with a hollow shaft encoder, the outer side end of the hollow shaft encoder is fixedly connected with a rotary nut, and a nut hole is formed in the rotary nut; the support table is also provided with a slide seat driving mechanism for driving the slide seat to slide along the linear guide rail; the invention has the advantages of high pitch measurement efficiency, high measurement precision, capability of measuring the pitches of various types of threaded pipes, simple structure, convenient use and the like.
Description
Technical Field
The invention relates to the technical field of pitch measurement, in particular to a pitch measurement device of a screw tube.
Background
The heat exchange tube is used as a core heat exchange element of the heat exchanger, so that the heat transfer performance of the heat exchange tube is improved, the volume and the quality are controlled, the material is saved, the heat exchange tube has very important significance for improving the efficiency of the heat exchanger and reducing the cost, and the high-efficiency heat exchange tube technology generally adopts a threaded tube, and has the advantages of high heat transfer efficiency, difficult scaling, small volume, material saving and the like compared with the traditional smooth tube; the pitch of the threaded pipe is used for controlling the size and the shape of the threads, the existing pitch measurement is mostly obtained by measuring the distance between two adjacent threads on a spiral line through a measuring caliper, as in the threaded pipe structure shown in fig. 1 and 2, the external threads of the threaded pipe are of special-shaped structures, the threaded pipe is large in size and long in pitch, and if a conventional measuring method is adopted, the problems of low pitch measurement efficiency, low manual measurement precision, high labor intensity and the like of the threaded pipe exist.
Disclosure of Invention
The invention aims to overcome the existing defects, and provides the screw pitch measuring device for the screw pipes, which can measure the screw pitches of the screw pipes with larger volumes or larger screw pitches, has high screw pitch measuring efficiency and measuring precision, can measure the screw pitches of various types of screw pipes, has a simple structure, is convenient to use and can effectively solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the screw pitch measuring device of the spiral pipe comprises a sliding seat arranged on a supporting table, wherein a linear guide rail is arranged at the top end of the supporting table along the length direction of the supporting table, a first vertical plate and a second vertical plate are respectively arranged at two sides of the top end of the supporting table along the length direction of the supporting table, a first yielding hole is formed in the first vertical plate and the second vertical plate along the horizontal direction, and the first yielding holes in the first vertical plate and the second yielding hole are identical in size and position; the first vertical plate is fixed on the supporting table, the tail end of the second vertical plate is fixedly connected with a first sliding block, the second vertical plate is in sliding connection with the linear guide rail through the first sliding block, and both the first vertical plate and the second vertical plate are provided with screw pipe clamping mechanisms; the support table is also provided with a solenoid straightening mechanism for driving the vertical plate II to slide along the linear guide rail; the sliding seat is positioned between the first vertical plate and the second vertical plate, the bottom end of the sliding seat is provided with a base, the base is fixedly provided with a second sliding block, and the sliding seat is in sliding connection with the linear guide rail through the second sliding block; the sliding seat is fixedly connected with a hollow shaft encoder arranged along the length direction of the supporting table, the outer side end surface of a hollow shaft of the hollow shaft encoder is fixedly connected with a rotary nut, the rotary nut is provided with a nut hole, and the nut hole is concentric with the hollow shaft of the hollow shaft encoder; and the supporting table is also provided with a slide seat driving mechanism for driving the slide seat to slide along the linear guide rail.
Further, the slide driving mechanism comprises a transmission screw rod which is rotationally connected to the top end of the supporting table and is arranged in parallel with the linear guide rail, a driving motor which drives the transmission screw rod to rotate is fixedly arranged on the supporting table, and the slide driving mechanism further comprises a screw rod nut which is in rolling fit with the transmission screw rod.
Further, the screw pipe clamping mechanism comprises a fixing plate fixedly connected with the first vertical plate and the second vertical plate, a finger cylinder is fixedly arranged on the fixing plate, the yielding part is positioned between two clamping jaws of the finger cylinder, and clamping protrusions are arranged on the two clamping jaws of the finger cylinder.
Further, the solenoid straightening mechanism comprises a third vertical plate fixedly arranged on the supporting table, the third vertical plate is located on the outer side of the second vertical plate, a telescopic cylinder is fixedly connected to the third vertical plate, the telescopic cylinder is arranged along the direction of the linear guide rail, and the telescopic end of the telescopic cylinder is fixedly connected with the second vertical plate.
Furthermore, guide sleeves are fixedly arranged at the positions of the inner side ends of the first vertical plate and the second vertical plate, which correspond to the first abdicating holes, and are of conical sleeve structures.
Furthermore, a plurality of connecting holes are formed in the periphery of the nut hole on the circumferential end face of the rotary nut, threaded holes are formed in the hollow shaft of the hollow shaft encoder at positions corresponding to the connecting holes, and the rotary nut penetrates through the connecting holes and the threaded holes through screws to be detachably and fixedly connected with the hollow shaft of the hollow shaft encoder.
Furthermore, a second yielding hole is formed in the sliding seat, the hollow shaft encoder is fixed on the sliding seat and located at the position of the second yielding hole, and the second yielding hole and the hollow shaft of the hollow shaft encoder are concentric.
Compared with the prior art, the invention has the beneficial effects that: this screw pitch measuring device of screwed pipe straightens the screwed pipe through screwed pipe clamping mechanism and screwed pipe straightening mechanism, the rotatory nut on the slide and the screw thread rolling fit of screwed pipe, drive slide and rotatory nut through slide actuating mechanism and remove along screwed pipe axial direction, rotatory nut can take place to rotate when screwed pipe axial direction removes, and detect rotatory angle of rotatory nut through hollow shaft encoder, when hollow shaft encoder detects rotatory nut and rotates a round, the distance of measuring slide from measuring initial position to measuring between the terminal position can obtain the screw pitch of screwed pipe, this measuring device can be to the screw pitch of the screwed pipe of great volume or great screw pitch measuring its screw pitch, the screw pitch measurement efficiency of screwed pipe is high, measurement accuracy is high, and can measure the screw pitch of multiple model screwed pipe through changing rotatory nut, this screw pitch measuring device simple structure, and convenient to use.
Drawings
FIG. 1 is a schematic view of a prior art threaded pipe;
FIG. 2 is a schematic cross-sectional view of a prior art threaded pipe;
FIG. 3 is a schematic diagram of the structure of the present invention;
FIG. 4 is a schematic diagram of a connecting structure of a slide and a linear guide rail according to the present invention;
FIG. 5 is a schematic view of a connection structure between a slide and a rotary nut according to the present invention;
FIG. 6 is a schematic view of a carriage of the present invention;
FIG. 7 is a schematic view of a spin nut according to the present invention;
FIG. 8 is a schematic diagram of a hollow shaft encoder of the present invention;
FIG. 9 is an enlarged view of a portion of FIG. 3;
FIG. 10 is a schematic view of a screw clamping mechanism according to the present invention.
In the figure: the device comprises a supporting table 1, a vertical plate 2, a vertical plate 3, a stepping hole 31, a sliding block 32, a screw clamping mechanism 4, a fixed plate 41, a finger cylinder 42, a clamping convex block 421, a screw straightening mechanism 5, a vertical plate 51, a telescopic cylinder 52, a sliding seat 6, a stepping hole 61, a base 62, a screw nut 63, a sliding block 64, a hollow shaft encoder 7, a threaded hole 71, a rotating nut 8, a nut hole 81, a connecting hole 82, a transmission screw 9, a driving motor 10, a linear guide rail 11 and a guide sleeve 12.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples
Referring to fig. 3-10, the present invention provides a technical solution: the screw pitch measuring device of the spiral pipe comprises a sliding seat 6 arranged on a supporting table 1, wherein a linear guide rail 11 is arranged at the top end of the supporting table 1 along the length direction of the supporting table, a first vertical plate 2 and a second vertical plate 3 are respectively arranged at two sides of the top end of the supporting table 1 along the length direction of the supporting table, a first yielding hole 31 is formed in the first vertical plate 2 and the second vertical plate 3 along the horizontal direction, and the first yielding holes 31 on the first vertical plate 2 and the second yielding hole 31 are identical in size and position; the first vertical plate 2 is fixed on the supporting table 1, the tail end of the second vertical plate 3 is fixedly connected with a first sliding block 32, and the second vertical plate 3 is in sliding connection with the linear guide rail 11 through the first sliding block 32; the screw clamping mechanisms 4 are arranged on the first vertical plate 2 and the second vertical plate 3, the screw clamping mechanisms 4 comprise a fixed plate 41 fixedly connected with the first vertical plate 2 and the second vertical plate 3, a finger cylinder 42 is fixedly arranged on the fixed plate 41, the first abdication 31 is positioned between two clamping jaws of the finger cylinder 42, and clamping protrusions 421 are arranged on the two clamping jaws of the finger cylinder 42; the support table 1 is also provided with a solenoid straightening mechanism 5 for driving the second vertical plate 3 to slide along the linear guide rail 11, the solenoid straightening mechanism 5 comprises a third vertical plate 51 fixedly arranged on the support table 1, the third vertical plate 51 is positioned at the outer side of the second vertical plate 3, the third vertical plate 51 is fixedly connected with a telescopic cylinder 52, the telescopic cylinder 52 is arranged along the linear guide rail 11, and the telescopic end of the telescopic cylinder 52 is fixedly connected with the second vertical plate 3; the sliding seat 6 is positioned between the first vertical plate 2 and the second vertical plate 3, a base 62 is arranged at the bottom end of the sliding seat 6, a second sliding block 64 is fixedly arranged on the base 62, and the sliding seat 6 is in sliding connection with the linear guide rail 11 through the second sliding block 64; the slide seat 6 is fixedly connected with a hollow shaft encoder 7 arranged along the length direction of the supporting table 1, the outer end face of a hollow shaft of the hollow shaft encoder 7 is fixedly connected with a rotary nut 8, the rotary nut 8 is provided with a nut hole 81, and the nut hole 81 is concentric with the hollow shaft of the hollow shaft encoder 7; a plurality of connecting holes 82 are formed in the periphery of the nut hole 81 on the circumferential end surface of the rotary nut 8, threaded holes 71 are formed in the hollow shaft of the hollow shaft encoder 7 at positions corresponding to the connecting holes 82, and the rotary nut 8 is detachably and fixedly connected with the hollow shaft of the hollow shaft encoder 7 through screws penetrating through the connecting holes 82 and the threaded holes 71; the supporting table 1 is also provided with a slide seat driving mechanism for driving the slide seat 6 to slide along the linear guide rail 11; the slide driving mechanism comprises a transmission screw rod 9 which is rotationally connected to the top end of the supporting table 1, the transmission screw rod 9 is arranged in parallel with the linear guide rail 11, a driving motor 10 which drives the transmission screw rod 9 to rotate is fixedly arranged on the supporting table 1, and the slide driving mechanism further comprises a screw nut 63 which is in rolling fit with the transmission screw rod 9 and is arranged on a base 62.
Working principle:
the driving motor 10 drives the transmission screw rod 9 to rotate so that the sliding seat 6 slides to a position close to the first vertical plate 2 along the linear guide rail 11, the threaded pipe is inserted in the direction of the first vertical plate 2 along the first abdication hole 31 of the second vertical plate 3, the threaded pipe sequentially penetrates through the first abdication hole 31 on the second vertical plate 3, the nut hole 81 on the rotating nut 8 and the first abdication hole 31 on the first vertical plate 2, the end part of the threaded pipe is clamped through the clamping convex block 421 on the finger air cylinder 42, the clamping convex block 421 clamps the threaded groove of the threaded pipe, and the second vertical plate 3 is pulled away from the first vertical plate 2 through the telescopic cylinder 5 to straighten the threaded pipe; when the screw pitch of the threaded pipe is measured, the position of the sliding seat 6 is the measurement starting position, the driving motor 10 drives the transmission screw 9 to rotate so that the sliding seat 6 slides along the direction of the vertical plate II 3, the nut hole 81 on the rotating nut 8 is matched with the screw thread of the threaded pipe in a rolling way, the rotating nut 8 rotates when the sliding seat 6 slides along the linear guide rail 11, the hollow shaft of the hollow shaft encoder 7 is driven to rotate when the rotating nut 8 rotates, the driving motor 10 stops running when the hollow shaft encoder 7 detects that the rotating nut 8 rotates for one circle, the position of the sliding seat 6 is the measurement end position, and the screw pitch of the threaded pipe can be obtained by measuring the moving distance of the sliding seat 6 from the measurement starting position to the measurement end position.
According to the screw thread pitch measuring device disclosed by the embodiment, the screw thread pipe is straightened through the screw thread clamping mechanism 4 and the screw thread straightening mechanism 5, the rotating nut 8 on the sliding seat 6 is matched with the screw thread of the screw thread pipe in a rolling way, the sliding seat 6 and the rotating nut 8 are driven by the sliding seat driving mechanism to move along the axial direction of the screw thread pipe, the rotating nut 8 rotates when moving along the axial direction of the screw thread pipe, the rotating angle of the rotating nut 8 is detected through the hollow shaft encoder 7, when the hollow shaft encoder 7 detects that the rotating nut 8 rotates for one circle, the screw thread pitch of the screw thread pipe can be obtained by measuring the moving distance of the sliding seat 6 from the initial measuring position to the final measuring position, the measuring device can measure the screw thread pitch of the screw thread pipe with larger volume or larger screw thread pitch, the screw thread pipe has high screw thread pitch measuring efficiency and high measuring precision, and the screw thread pitches of various types of screw thread pipes can be measured through changing the rotating nut 8.
Further, the guide sleeves 12 are fixedly arranged at the positions of the inner side ends of the first vertical plate 2 and the second vertical plate 3, which correspond to the first abdicating holes 31, and the guide sleeves 12 are of conical sleeve structures, and the guide sleeves 12 play a primary supporting role in installing a threaded pipe, so that the threaded pipe can be installed and straightened conveniently.
Further, the slide 6 is provided with a second relief hole 61, the hollow shaft encoder 7 is fixed on the slide 6 at the position of the second relief hole 61, and the second relief hole 61 and the hollow shaft of the hollow shaft encoder 7 are concentric with each other.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a pitch measuring device of screwed pipe, includes the slide that is equipped with on the brace table, its characterized in that: the top end of the supporting table is provided with a linear guide rail along the length direction, two sides of the top end of the supporting table, which are positioned in the length direction, are respectively provided with a first vertical plate and a second vertical plate, the first vertical plate and the second vertical plate are respectively provided with a first abdication hole along the horizontal direction, and the first abdication holes on the first vertical plate and the second vertical plate are identical in size and position; the first vertical plate is fixed on the supporting table, the tail end of the second vertical plate is fixedly connected with a first sliding block, the second vertical plate is in sliding connection with the linear guide rail through the first sliding block, and both the first vertical plate and the second vertical plate are provided with screw pipe clamping mechanisms; the support table is also provided with a solenoid straightening mechanism for driving the vertical plate II to slide along the linear guide rail; the sliding seat is positioned between the first vertical plate and the second vertical plate, the bottom end of the sliding seat is provided with a base, the base is fixedly provided with a second sliding block, and the sliding seat is in sliding connection with the linear guide rail through the second sliding block; the sliding seat is fixedly connected with a hollow shaft encoder arranged along the length direction of the supporting table, the outer side end surface of a hollow shaft of the hollow shaft encoder is fixedly connected with a rotary nut, the rotary nut is provided with a nut hole, and the nut hole is concentric with the hollow shaft of the hollow shaft encoder; and the supporting table is also provided with a slide seat driving mechanism for driving the slide seat to slide along the linear guide rail.
2. A device for measuring the pitch of a coil as set forth in claim 1, wherein: the sliding seat driving mechanism comprises a transmission screw rod which is rotationally connected to the top end of a supporting table and is arranged in parallel with the linear guide rail, a driving motor which drives the transmission screw rod to rotate is fixedly arranged on the supporting table, and the sliding seat driving mechanism also comprises a screw rod nut which is in rolling fit with the transmission screw rod.
3. A device for measuring the pitch of a coil as set forth in claim 1, wherein: the screw tube clamping mechanism comprises a fixing plate fixedly connected with a first vertical plate and a second vertical plate, a finger cylinder is fixedly arranged on the fixing plate, the first clamping jaw is located between two clamping jaws of the finger cylinder, and clamping protrusions are arranged on the two clamping jaws of the finger cylinder.
4. A device for measuring the pitch of a coil as set forth in claim 1, wherein: the screw tube straightening mechanism comprises a third vertical plate fixedly arranged on the supporting table, the third vertical plate is positioned on the outer side of the second vertical plate, a telescopic cylinder is fixedly connected to the third vertical plate, the telescopic cylinder is arranged along the direction of the linear guide rail, and the telescopic end of the telescopic cylinder is fixedly connected with the second vertical plate.
5. A device for measuring the pitch of a coil as set forth in claim 1, wherein: the guide sleeves are fixedly arranged at the positions of the inner side ends of the first vertical plate and the second vertical plate, which correspond to the first abdicating holes, and are of conical sleeve structures.
6. A device for measuring the pitch of a coil as set forth in claim 1, wherein: the rotary nut is characterized in that a plurality of connecting holes are formed in the periphery of the nut hole on the circumferential end face of the rotary nut, threaded holes are formed in the hollow shaft of the hollow shaft encoder at positions corresponding to the connecting holes, and the rotary nut penetrates through the connecting holes and the threaded holes through screws to be detachably and fixedly connected with the hollow shaft of the hollow shaft encoder.
7. A device for measuring the pitch of a coil as set forth in claim 1, wherein: and the slide seat is provided with a second yielding hole, the hollow shaft encoder is fixed on the slide seat at the position of the second yielding hole, and the second yielding hole and the hollow shaft of the hollow shaft encoder are concentric with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311804011.0A CN117450980A (en) | 2023-12-26 | 2023-12-26 | Screw pitch measuring device of solenoid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311804011.0A CN117450980A (en) | 2023-12-26 | 2023-12-26 | Screw pitch measuring device of solenoid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117450980A true CN117450980A (en) | 2024-01-26 |
Family
ID=89591297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311804011.0A Pending CN117450980A (en) | 2023-12-26 | 2023-12-26 | Screw pitch measuring device of solenoid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117450980A (en) |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4275507A (en) * | 1979-07-25 | 1981-06-30 | Firma Wilhelm Fette Gmbh | Device for automatic measurement for engagement pitch of the thread on screw-like work pieces |
| JPH0267910A (en) * | 1988-09-02 | 1990-03-07 | Mitsutoyo Corp | Screw lead measuring device |
| CN204487250U (en) * | 2015-03-26 | 2015-07-22 | 马鞍山方宏自动化科技有限公司 | A kind of fixture of round piece |
| CN204504863U (en) * | 2015-04-09 | 2015-07-29 | 马鞍山方宏自动化科技有限公司 | A kind of fixture of bearing |
| CN109632190A (en) * | 2019-01-30 | 2019-04-16 | 上海大学 | A kind of multi-functional clamp for air conditioning compressor seals detection |
| CN110469181A (en) * | 2019-08-28 | 2019-11-19 | 国网山东省电力公司济南市章丘区供电公司 | A kind of electric power electric pole device for erecting pole |
| CN211163989U (en) * | 2019-10-25 | 2020-08-04 | 库迈思智能科技(常州)有限公司 | Clamping jaw front end clamp |
| CN113432505A (en) * | 2021-06-30 | 2021-09-24 | 北京科技大学 | High-precision measuring device for spiral rib lead of cladding tube |
| CN113899330A (en) * | 2021-08-19 | 2022-01-07 | 北京科技大学 | Full-automatic measurement system for spiral rib lead of cladding pipe |
| CN215810688U (en) * | 2021-07-13 | 2022-02-11 | 东华链条兴化有限公司 | Chain length measurement pairing tool |
| CN217083683U (en) * | 2022-01-20 | 2022-07-29 | 昆山立应汽车科技有限公司 | Appearance detection device is used in production of RPS pencil assembly |
| CN116399214A (en) * | 2023-03-31 | 2023-07-07 | 柳州市金元机械制造有限公司 | Flexible shaft assembly detection device, calibration method and use method |
| CN116625194A (en) * | 2023-06-16 | 2023-08-22 | 赣州雄鼎电子有限公司 | Earphone wire length detection device |
| CN117190867A (en) * | 2023-07-23 | 2023-12-08 | 亨泰能源装备(天津)有限责任公司 | Device and method for measuring helical lead in screw drilling tool stator by laser |
| CN117190881A (en) * | 2023-09-08 | 2023-12-08 | 江苏科技大学 | Mooring chain ring length measuring device and measuring method thereof |
-
2023
- 2023-12-26 CN CN202311804011.0A patent/CN117450980A/en active Pending
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4275507A (en) * | 1979-07-25 | 1981-06-30 | Firma Wilhelm Fette Gmbh | Device for automatic measurement for engagement pitch of the thread on screw-like work pieces |
| JPH0267910A (en) * | 1988-09-02 | 1990-03-07 | Mitsutoyo Corp | Screw lead measuring device |
| CN204487250U (en) * | 2015-03-26 | 2015-07-22 | 马鞍山方宏自动化科技有限公司 | A kind of fixture of round piece |
| CN204504863U (en) * | 2015-04-09 | 2015-07-29 | 马鞍山方宏自动化科技有限公司 | A kind of fixture of bearing |
| CN109632190A (en) * | 2019-01-30 | 2019-04-16 | 上海大学 | A kind of multi-functional clamp for air conditioning compressor seals detection |
| CN110469181A (en) * | 2019-08-28 | 2019-11-19 | 国网山东省电力公司济南市章丘区供电公司 | A kind of electric power electric pole device for erecting pole |
| CN211163989U (en) * | 2019-10-25 | 2020-08-04 | 库迈思智能科技(常州)有限公司 | Clamping jaw front end clamp |
| CN113432505A (en) * | 2021-06-30 | 2021-09-24 | 北京科技大学 | High-precision measuring device for spiral rib lead of cladding tube |
| CN215810688U (en) * | 2021-07-13 | 2022-02-11 | 东华链条兴化有限公司 | Chain length measurement pairing tool |
| CN113899330A (en) * | 2021-08-19 | 2022-01-07 | 北京科技大学 | Full-automatic measurement system for spiral rib lead of cladding pipe |
| CN217083683U (en) * | 2022-01-20 | 2022-07-29 | 昆山立应汽车科技有限公司 | Appearance detection device is used in production of RPS pencil assembly |
| CN116399214A (en) * | 2023-03-31 | 2023-07-07 | 柳州市金元机械制造有限公司 | Flexible shaft assembly detection device, calibration method and use method |
| CN116625194A (en) * | 2023-06-16 | 2023-08-22 | 赣州雄鼎电子有限公司 | Earphone wire length detection device |
| CN117190867A (en) * | 2023-07-23 | 2023-12-08 | 亨泰能源装备(天津)有限责任公司 | Device and method for measuring helical lead in screw drilling tool stator by laser |
| CN117190881A (en) * | 2023-09-08 | 2023-12-08 | 江苏科技大学 | Mooring chain ring length measuring device and measuring method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209986266U (en) | Drilling equipment is used in pipeline installation | |
| CN112238189B (en) | Heat exchange pipe reaming device | |
| CN210281421U (en) | Clamp for non-standard workpiece | |
| CN117450980A (en) | Screw pitch measuring device of solenoid | |
| CN103624536A (en) | Automatic correction device for internal exhaust pipe of compressor | |
| CN209036363U (en) | A kind of stationary fixture for pcb board production | |
| CN115121725A (en) | Adjustable straightening tool for multi-pass forming of copper rod | |
| CN112222239B (en) | Continuous bending device for metal plate | |
| CN210676499U (en) | Small-diameter numerical control spiral pipe winding machine | |
| CN216326366U (en) | Automatic shaft rotating mechanism and automatic shaft rotating equipment | |
| CN218965251U (en) | Clamp for mounting stable polyethylene water supply pipe | |
| CN219947681U (en) | Wire tube marking machine | |
| CN221211431U (en) | Clamp capable of clamping stepped workpiece | |
| CN221110715U (en) | Machine tool fixture convenient to position | |
| CN219052532U (en) | Copper pipe bending machine of heat exchanger | |
| CN219581390U (en) | Drawing device for large-caliber equal-diameter tee joint | |
| CN219380454U (en) | Tip centre gripping anchor clamps are used in round piece test | |
| CN217833327U (en) | Clamping device for steel pipe machining for preventing clamping marks | |
| CN221271998U (en) | Pipe flaring device | |
| CN220362267U (en) | Stainless steel pipe adds clamping apparatus | |
| CN207882065U (en) | A kind of outer collet of square tube pull resistance detection device | |
| CN207832575U (en) | A kind of inner spindle of square tube pull resistance detection device | |
| CN221336116U (en) | Thin-wall stainless steel pipe elbow machine | |
| CN219685196U (en) | Fixed frock convenient to adjust | |
| CN219043722U (en) | Pipeline welding is to mouthful device |
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 |