CN207710448U - A kind of precision manufactureing pipe fitting inner wall arrangement for grinding with mobile overview function - Google Patents

A kind of precision manufactureing pipe fitting inner wall arrangement for grinding with mobile overview function Download PDF

Info

Publication number
CN207710448U
CN207710448U CN201721822538.6U CN201721822538U CN207710448U CN 207710448 U CN207710448 U CN 207710448U CN 201721822538 U CN201721822538 U CN 201721822538U CN 207710448 U CN207710448 U CN 207710448U
Authority
CN
China
Prior art keywords
pipe fitting
fitting inner
grinding
wall arrangement
cavity cylinder
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.)
Expired - Fee Related
Application number
CN201721822538.6U
Other languages
Chinese (zh)
Inventor
杨云龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mount Holyoke Hengfeng Casting Industry Co Ltd
Original Assignee
Mount Holyoke Hengfeng Casting Industry Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mount Holyoke Hengfeng Casting Industry Co Ltd filed Critical Mount Holyoke Hengfeng Casting Industry Co Ltd
Priority to CN201721822538.6U priority Critical patent/CN207710448U/en
Application granted granted Critical
Publication of CN207710448U publication Critical patent/CN207710448U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

The utility model discloses a kind of precision manufactureing pipe fitting inner wall arrangement for grinding with mobile overview function, including miniature webcam, cavity cylinder, the first Non-return air valve, air bag, strip-shaped hole, bar shaped whetstone, the second Non-return air valve, micro air pump, bearing, motor, mounting groove, electric pushrod, adjusting rod, threaded post, adjustment hole, spacing hole slot, fixed mast, cylindrical bar, cylindrical drum, linking hole slot, resetting spring, circular electromagnets, cylindrical piece and buffer bar.The utility model is compact-sized, it is novel in design, convenient for observing pipe fitting inner wall situation in real time, be conducive to carry out effectively reconditioning to pipe fitting inner wall, have the function of moving in reconditioning, improve the portable type of reconditioning, pipe fitting suitable for multiple and different apertures, use scope is expanded, drives cylindrical drum and cavity cylinder to rotate by motor so that bar shaped whetstone carries out reconditioning to pipe fitting inner wall on cavity cylinder.

Description

A kind of precision manufactureing pipe fitting inner wall arrangement for grinding with mobile overview function
Technical field
The utility model is related to a kind of inner wall arrangement for grinding, specifically a kind of precision system tubing with mobile overview function Part inner wall arrangement for grinding, belongs to precision manufactureing applied technical field.
Background technology
Metallurgical industry seamless steel pipe inner circle mill equipment in, it is common to use be motor drive a root long axis, by long axis Grinding wheel rotation is driven to put in pipe material inner wall, long axis is axially moved along tubing and realizes pipe material inner wall reconditioning, and seamless steel pipe is improved with this The accuracy of inner wall improves product quality.
Tradition carries out the mode of reconditioning there are the inconvenience of in-pipe reconditioning facility to pipe fitting inner wall precision, and displacement distance It is limited, the case where being not easy to observe pipe fitting inner wall in real time, reconditioning effect is influenced, the pipe fitting of different tube diameters usually may require that more Tape swapping has the long axis of different size grinding wheel to carry out reconditioning, and this mode of operation brings more inconvenience to reconditioning.Therefore, for The above problem proposes a kind of precision manufactureing pipe fitting inner wall arrangement for grinding with mobile overview function.
Invention content
The purpose of this utility model is that solve the above-mentioned problems and provides a kind of essence with mobile overview function Close manufacture pipe fitting inner wall arrangement for grinding.
The utility model is achieved through the following technical solutions above-mentioned purpose, a kind of precision system with mobile overview function Pipe fitting inner wall arrangement for grinding, including bar shaped whetstone and electric pushrod are made, the bar shaped whetstone is arranged in strip-shaped hole, and Strip-shaped hole annular is equidistantly opened on cavity cylindrical annular face, air bag is equipped in the cavity cylinder, and air bag side is installed There is the second Non-return air valve, cavity cylinder other side surface annular is mounted equidistant that there are three miniature webcam, described second is single It is located at one side surface centre position of cavity cylinder to air valve, and the air inlet of the second Non-return air valve passes through connecting tube and micro air pump Gas outlet connection, the micro air pump is mounted in cylindrical drum, and cylindrical drum side is equipped with bearing, assembly in the bearing There is the shaft of motor, and motor is mounted in mounting groove, the mounting groove is opened in cylindrical bar both side surface centre position, and position In being equipped with electric pushrod in the mounting groove of cylindrical bar side, push rod one end of the electric pushrod is vertically installed with fixed column Bar, and fixed mast both side surface offers spacing hole slot, is respectively symmetrically opened at the top and bottom of the fixed column bar annular surface Equipped with adjustment hole, adjusting rod is provided in the spacing hole slot, and adjusting rod annular surface has been symmetrically mounted at the bottom of threaded post, it is described By resetting spring and cylindrical piece elastic connection at the top of adjusting rod, and adjusting rod top surface centre position offers convergence hole Slot, the cylindrical piece top surface is equipped with circular electromagnets, and cylindrical piece top center position is installed with buffer bar.
Preferably, the cylindrical drum other side is fixedly mounted on one side surface centre position of cavity cylinder, and cylindrical drum ring Shape Middle face offers through-hole, and the air inlet of micro air pump is provided in the through-hole.
Preferably, there are three the strip-shaped hole and bar shaped whetstone are all provided with, and three strip-shaped hole annulars equidistantly open up On cavity cylindrical annular face.
Preferably, bar shaped whetstone bottom is bonded in balloon surface, and air bag is cylindrical structure.
Preferably, another side surface centre position of the cavity cylinder is equipped with the first Non-return air valve, and the first unidirectional gas Valve one end is connected to air bag.
Preferably, the threaded post that the adjusting rod annular surface is symmetrically mounted at the bottom of is each passed through the adjusting on corresponding position Hole, and nut is installed in threaded post.
Preferably, it is connected to inside the adjustment hole and spacing hole slot.
Preferably, the buffer bar is located in resetting spring.
Preferably, the adjusting rod and buffer bar are equipped with two, and two buffering top portions An Zhuan not justified Column block bottom surface.
Preferably, the miniature webcam, micro air pump, motor and circular electromagnets electrically connect with external power supply respectively It connects, and micro air pump, motor and circular electromagnets are electrically connected with controller respectively.
The utility model has the beneficial effects that:
1. the precision manufactureing pipe fitting inner wall arrangement for grinding that this kind carries mobile overview function is compact-sized, novel in design, just In in real time observation pipe fitting inner wall situation, be conducive to pipe fitting inner wall carry out effectively reconditioning, by motor drive cylindrical drum and Cavity cylinder rotates so that bar shaped whetstone carries out reconditioning to pipe fitting inner wall on cavity cylinder, is transferred to by miniature webcam Image on display, the tube wall of the non-reconditioning of observable pipe fitting Inner Front End facilitate look at the tube wall situation understood in pipe fitting.
2. the precision manufactureing pipe fitting inner wall arrangement for grinding that this kind carries mobile overview function is compact-sized, novel in design, tool Have the function of being moved in reconditioning, improve the portable type of reconditioning, by electric pushrod push fixed fixed mast and Under the interaction of power so that cylindrical drum and cavity cylindrical edge rotation reconditioning side move forward.
3. the precision manufactureing pipe fitting inner wall arrangement for grinding that this kind carries mobile overview function is compact-sized, novel in design, fit For the pipe fitting in multiple and different apertures, use scope is expanded, is pushed away bar shaped whetstone out of strip-shaped hole by the air bag of expansion Go out so that the arcwall face of three bar shaped whetstones can be suitable for the pipe fitting in multiple and different apertures close to the inner wall of pipe fitting.
Description of the drawings
Fig. 1 is the utility model overall structure diagram;
Fig. 2 is the utility model adjusting rod and cylindrical piece attachment structure schematic diagram;
Fig. 3 is the utility model cavity cylinder and air bag attachment structure schematic diagram.
In figure:1, miniature webcam, 2, cavity cylinder, the 3, first Non-return air valve, 4, air bag, 5, strip-shaped hole, 6, bar shaped mill Sandstone, the 7, second Non-return air valve, 8, micro air pump, 9, bearing, 10, motor, 11, mounting groove, 12, electric pushrod, 13, adjust Bar, 14, threaded post, 15, adjustment hole, 16, spacing hole slot, 17, fixed mast, 18, cylindrical bar, 19, cylindrical drum, 20, convergence hole Slot, 21, resetting spring, 22, circular electromagnets, 23, cylindrical piece, 24, buffer bar.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.
It please refers to Fig.1 shown in -3, a kind of precision manufactureing pipe fitting inner wall arrangement for grinding with mobile overview function, including item Shape whetstone 6 and electric pushrod 12, the bar shaped whetstone 6 are arranged in strip-shaped hole 5, and 5 annular of strip-shaped hole equidistantly opens up On 2 annular surface of cavity cylinder, air bag 4 is installed, and 4 side of air bag is equipped with the second Non-return air valve in the cavity cylinder 2 7, pass through the release out of strip-shaped hole 5 by bar shaped whetstone 6 of the air bag 4 of expansion so that the arcwall face of three bar shaped whetstones 6 is equal It can be suitable for the pipe fitting in multiple and different apertures close to the inner wall of pipe fitting, 2 other side surface annular of the cavity cylinder is mounted equidistant There are three miniature webcams 1, and the image on display, the non-reconditioning of observable pipe fitting Inner Front End are transferred to by miniature webcam 1 Tube wall, facilitate look at the tube wall situation understood in pipe fitting, second Non-return air valve 7 is located at 2 one side surface of cavity cylinder Centre position, and the air inlet of the second Non-return air valve 7 is connect by connecting tube with the gas outlet of micro air pump 8, the miniature gas Pump 8 is mounted in cylindrical drum 19, and 19 side of cylindrical drum is equipped with bearing 9, and the shaft of motor 10 is equipped in the bearing 9, And motor 10 is mounted in mounting groove 11, drives cylindrical drum 19 and cavity cylinder 2 to rotate by motor 10 so that cavity cylinder Bar shaped whetstone 6 carries out reconditioning to pipe fitting inner wall on 2, and the mounting groove 11 is opened in 18 both side surface centre position of cylindrical bar, And electric pushrod 12 is installed in the mounting groove 11 of 18 side of cylindrical bar, push rod one end of the electric pushrod 12 is vertically pacified Equipped with fixed mast 17, and fixed 17 both side surface of mast offers spacing hole slot 16, is pushed and is fixed by electric pushrod 12 Fixation mast 17 and under the interaction of power so that cylindrical drum 19 and cavity cylinder 2 are when rotating reconditioning to Forward It is dynamic, adjustment hole 15 is respectively symmetrically offered at the top and bottom of 17 annular surface of fixed mast, is arranged in the spacing hole slot 16 There is adjusting rod 13, and 13 annular surface of adjusting rod has been symmetrically mounted at the bottom of threaded post 14,13 top of the adjusting rod is by resetting bullet Spring 21 and 23 elastic connection of cylindrical piece, and 13 top surface centre position of adjusting rod offers linking hole slot 20, the cylindrical piece 23 top surfaces are equipped with circular electromagnets 22, and 23 top center position of cylindrical piece is installed with buffer bar 24.
As a kind of technical optimization scheme of the utility model, 19 other side of the cylindrical drum is fixedly mounted on cavity cylinder 2 one side surfaces centre position, and through-hole is offered in the middle part of 19 annular surface of cylindrical drum, micro air pump 8 is provided in the through-hole Air inlet is conducive to micro air pump 8 and carries out gas absorption.
As a kind of technical optimization scheme of the utility model, there are three the strip-shaped hole 5 and bar shaped whetstone 6 are all provided with, And three 5 annulars of the strip-shaped hole are equidistantly opened on 2 annular surface of cavity cylinder, are convenient for the distributing installation of bar shaped whetstone 6.
As a kind of technical optimization scheme of the utility model, 6 bottom of bar shaped whetstone is bonded in 4 surface of air bag, And air bag 4 is that cylindrical structure is conducive to stretch bar shaped whetstone 6 by the air bag 4 of dilation.
As a kind of technical optimization scheme of the utility model, the installation of 2 another side surface centre position of the cavity cylinder There is the first Non-return air valve 3, and 3 one end of the first Non-return air valve is connected to air bag 4, by opening the first Non-return air valve 3, is conducive to pair Air bag 4 is deflated.
As a kind of technical optimization scheme of the utility model, the screw thread that 13 annular surface of the adjusting rod is symmetrically mounted at the bottom of Column 14 is each passed through the adjustment hole 15 on corresponding position, and is equipped with nut in threaded post 14, by tightening in threaded post 14 Nut is conducive to adjusting rod 13 being fixed in spacing hole slot 16.
As a kind of technical optimization scheme of the utility model, the adjustment hole 15 is connected to 16 inside of spacing hole slot, is had Conducive to the installation of adjusting rod 13.
As a kind of technical optimization scheme of the utility model, the buffer bar 24 is located in resetting spring 21, is conducive to Cylindrical piece 23 returns to initial position.
As a kind of technical optimization scheme of the utility model, there are two the adjusting rod 13 and buffer bar 24 are all provided with, and Two 24 tops of the buffer bar are separately mounted to 23 bottom surface of cylindrical piece, are easily installed adjusting.
As a kind of technical optimization scheme of the utility model, the miniature webcam 1, micro air pump 8, motor 10 and Circular electromagnets 22 respectively with external power supply be electrically connected, and micro air pump 8, motor 10 and circular electromagnets 22 respectively with control Device processed is electrically connected, and is reached and is provided electric energy and control effect.
When the utility model is used, starting micro air pump 8, the gas that micro air pump 8 generates according to the hole of pipe fitting first It is entered in air bag 4 from gas outlet, passes through the release out of strip-shaped hole 5 by bar shaped whetstone 6 of the air bag 4 of expansion so that three items The arcwall face of shape whetstone 6 can be suitable for the pipe fitting in multiple and different apertures, stop miniature gas at this time close to the inner wall of pipe fitting 8 operation of pump, then it is placed on inside pipe fitting by integrally pushing away, and fixed mast 17 is made to be located inside pipe fitting, then by operating spacing hole slot Corresponding two adjusting rods 13 in 16, make two circular electromagnets 22 being located on two adjusting rods 13 the distance between Less than the aperture of pipe fitting, and circular electromagnets 22 are close to pipe fitting inner wall, the at this time energization of circular electromagnets 22, the tool of circular electromagnets 22 It is magnetic on the pipe fitting inner wall being absorbed and fixed on corresponding position, while starting electric pushrod 12 and motor 10,10 band of motor Dynamic cylindrical drum 19 and cavity cylinder 2 rotate so that bar shaped whetstone 6 carries out reconditioning to pipe fitting inner wall on cavity cylinder 2, electronic Push rod 12 pushes fixed fixed mast 17 and under the interaction of power so that cylindrical drum 19 and the rotation of 2 side of cavity cylinder Turn the forward movement of reconditioning side, one end to be moved is after, and pipe fitting inner wall is no longer adsorbed in the power-off of circular electromagnets 22, at this time fixed column Bar 17 is not fixed, and the electric pushrod 12 started at this time moves forward fixed mast 17, and mast 17 to be fixed is moved to properly When on position, circular electromagnets 22 are once again powered up, and are operated by the operation of above-mentioned electric pushrod 12 so that cavity cylinder 2 is again Secondary forward movement is conducive to the reconditioning that inner wall entirety is carried out to straight pipe fitting to realize the effect moved forward automatically, When cavity cylinder 2 stops rotating, operating personnel are transferred to the image on display, observable pipe fitting by miniature webcam 1 The tube wall of the non-reconditioning of Inner Front End facilitates look at the tube wall situation understood in pipe fitting.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this practicality is new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that obtaining containing with important document in claim by falling All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation Involved claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiment being appreciated that.

Claims (10)

1. a kind of precision manufactureing pipe fitting inner wall arrangement for grinding with mobile overview function, including bar shaped whetstone(6)And electricity Dynamic push rod(12), it is characterised in that:The bar shaped whetstone(6)It is arranged in strip-shaped hole(5)It is interior, and strip-shaped hole(5)It is annular equidistant It is opened in cavity cylinder(2)On annular surface, the cavity cylinder(2)Air bag is inside installed(4), and air bag(4)Side is equipped with Second Non-return air valve(7), the cavity cylinder(2)Other side surface annular is mounted equidistant there are three miniature webcam(1), described Second Non-return air valve(7)Positioned at cavity cylinder(2)One side surface centre position, and the second Non-return air valve(7)Air inlet pass through Connecting tube and micro air pump(8)Gas outlet connection, the micro air pump(8)Mounted on cylindrical drum(19)It is interior, and cylindrical drum (19)Side is equipped with bearing(9), the bearing(9)Inside it is equipped with motor(10)Shaft, and motor(10)Mounted on installation Slot(11)It is interior, the mounting groove(11)It is opened in cylindrical bar(18)Both side surface centre position, and it is located at cylindrical bar(18)Side Mounting groove(11)Electric pushrod is inside installed(12);
The electric pushrod(12)Push rod one end be vertically installed with fixed mast(17), and fixed mast(17)Both side surface is equal Offer spacing hole slot(16), the fixed mast(17)Adjustment hole is respectively symmetrically offered at the top and bottom of annular surface(15), The spacing hole slot(16)Inside it is provided with adjusting rod(13), and adjusting rod(13)Annular surface has been symmetrically mounted at the bottom of threaded post (14), the adjusting rod(13)Top passes through resetting spring(21)With cylindrical piece(23)Elastic connection, and adjusting rod(13)Top Surface centre position offers linking hole slot(20), the cylindrical piece(23)Top surface is equipped with circular electromagnets(22), and Cylindrical piece(23)Top center position is installed with buffer bar(24).
2. a kind of precision manufactureing pipe fitting inner wall arrangement for grinding with mobile overview function according to claim 1, special Sign is:The cylindrical drum(19)The other side is fixedly mounted on cavity cylinder(2)One side surface centre position, and cylindrical drum(19) Through-hole is offered in the middle part of annular surface, micro air pump is provided in the through-hole(8)Air inlet.
3. a kind of precision manufactureing pipe fitting inner wall arrangement for grinding with mobile overview function according to claim 1, special Sign is:The strip-shaped hole(5)With bar shaped whetstone(6)There are three being all provided with, and three strip-shaped holes(5)Annular equidistantly opens up In cavity cylinder(2)On annular surface.
4. a kind of precision manufactureing pipe fitting inner wall arrangement for grinding with mobile overview function according to claim 1, special Sign is:The bar shaped whetstone(6)Bottom is bonded in air bag(4)Surface, and air bag(4)For cylindrical structure.
5. a kind of precision manufactureing pipe fitting inner wall arrangement for grinding with mobile overview function according to claim 1, special Sign is:The cavity cylinder(2)Another side surface centre position is equipped with the first Non-return air valve(3), and the first Non-return air valve (3)One end and air bag(4)Connection.
6. a kind of precision manufactureing pipe fitting inner wall arrangement for grinding with mobile overview function according to claim 1, special Sign is:The adjusting rod(13)The threaded post that annular surface is symmetrically mounted at the bottom of(14)The adjustment hole being each passed through on corresponding position (15), and threaded post(14)On nut is installed.
7. a kind of precision manufactureing pipe fitting inner wall arrangement for grinding with mobile overview function according to claim 1, special Sign is:The adjustment hole(15)With spacing hole slot(16)Inside connection.
8. a kind of precision manufactureing pipe fitting inner wall arrangement for grinding with mobile overview function according to claim 1, special Sign is:The buffer bar(24)Positioned at resetting spring(21)It is interior.
9. a kind of precision manufactureing pipe fitting inner wall arrangement for grinding with mobile overview function according to claim 1, special Sign is:The adjusting rod(13)And buffer bar(24)There are two being all provided with, and two buffer bars(24)It installs respectively at top In cylindrical piece(23)Bottom surface.
10. a kind of precision manufactureing pipe fitting inner wall arrangement for grinding with mobile overview function according to claim 1, special Sign is:The miniature webcam(1), micro air pump(8), motor(10)And circular electromagnets(22)Respectively with external power supply It is electrically connected, and micro air pump(8), motor(10)And circular electromagnets(22)It is electrically connected respectively with controller.
CN201721822538.6U 2017-12-24 2017-12-24 A kind of precision manufactureing pipe fitting inner wall arrangement for grinding with mobile overview function Expired - Fee Related CN207710448U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721822538.6U CN207710448U (en) 2017-12-24 2017-12-24 A kind of precision manufactureing pipe fitting inner wall arrangement for grinding with mobile overview function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721822538.6U CN207710448U (en) 2017-12-24 2017-12-24 A kind of precision manufactureing pipe fitting inner wall arrangement for grinding with mobile overview function

Publications (1)

Publication Number Publication Date
CN207710448U true CN207710448U (en) 2018-08-10

Family

ID=63057344

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721822538.6U Expired - Fee Related CN207710448U (en) 2017-12-24 2017-12-24 A kind of precision manufactureing pipe fitting inner wall arrangement for grinding with mobile overview function

Country Status (1)

Country Link
CN (1) CN207710448U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115106862A (en) * 2022-07-22 2022-09-27 山东绿色新技术开发有限公司 Finish machining equipment for wood composite board

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115106862A (en) * 2022-07-22 2022-09-27 山东绿色新技术开发有限公司 Finish machining equipment for wood composite board
CN115106862B (en) * 2022-07-22 2023-05-02 山东绿色新技术开发有限公司 Finishing equipment for wood composite board

Similar Documents

Publication Publication Date Title
CN108296894A (en) A kind of precision manufactureing pipe fitting inner wall arrangement for grinding with mobile overview function
CN207267200U (en) Portable plane sanding apparatus
CN207710448U (en) A kind of precision manufactureing pipe fitting inner wall arrangement for grinding with mobile overview function
CN206801909U (en) A kind of blower fan with controllable guide vane
CN206914004U (en) Round rule are quickly drawn on blackboard
CN203931278U (en) A kind of gyroscopic procession demonstrator
CN208751789U (en) Support device for draught fan impeller balancing machine
CN203010161U (en) Three-body frame for magnetically suspended control moment gyro
CN208644918U (en) A kind of spring grinding machine
CN203972686U (en) Automatic Machine for manufacturing rings from wire
CN108453201B (en) A kind of magnetic-type inside and outside screw-rolling machine of high speed
CN108098684B (en) A kind of bearing installation and removal tool
CN205734357U (en) Pipe inner wall burnishing device
CN106114613B (en) The transfer flexibly turned to based on electromagnet
CN206221505U (en) High-speed magnetic levitation bearing pneumatic main shaft
CN206287085U (en) Dismantle the instrument of bearing
CN108563313A (en) A kind of artificial intelligence computer mainframe box efficient radiating apparatus
CN207426912U (en) A kind of end cap of micro motor
CN204820829U (en) Drawing chalk sharpener
CN207410998U (en) A kind of runing rest for planting fruit trees
CN203109889U (en) Lining puller used in small space
CN205817733U (en) A kind of efficient bearing inner ring detaching device
CN104889856B (en) Chart chalk sharpener
CN202481790U (en) Pole piece releasing-coiling device for pellet mill
CN108631498A (en) High-safety magnetic leakage-proof permanent magnet synchronous motor

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CP03 Change of name, title or address

Address after: 237000 Rehabilitation Road of Hengshan Industrial Park, Hengshan Town, Huoshan County, Luan City, Anhui Province

Patentee after: Anhui Huoshan Hengfeng Equipment Parts Co., Ltd.

Address before: 237200 Huoshan Hengfeng Casting Co., Ltd. of Hengshan Town, Huoshan County, Anhui Province

Patentee before: Mount Holyoke Hengfeng Casting Industry Co., Ltd.

CP03 Change of name, title or address
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180810

Termination date: 20191224

CF01 Termination of patent right due to non-payment of annual fee