CN109351887A - A kind of rotary spacing inserting column structure - Google Patents

A kind of rotary spacing inserting column structure Download PDF

Info

Publication number
CN109351887A
CN109351887A CN201811456466.7A CN201811456466A CN109351887A CN 109351887 A CN109351887 A CN 109351887A CN 201811456466 A CN201811456466 A CN 201811456466A CN 109351887 A CN109351887 A CN 109351887A
Authority
CN
China
Prior art keywords
ball
inner hole
tabletting
limited post
seal
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
Application number
CN201811456466.7A
Other languages
Chinese (zh)
Other versions
CN109351887B (en
Inventor
李智能
杨炬
杨崇
田达菲
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.)
China Metallurgical Construction Engineering Group Co Ltd
Original Assignee
China Metallurgical Construction Engineering Group 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 China Metallurgical Construction Engineering Group Co Ltd filed Critical China Metallurgical Construction Engineering Group Co Ltd
Priority to CN201811456466.7A priority Critical patent/CN109351887B/en
Publication of CN109351887A publication Critical patent/CN109351887A/en
Application granted granted Critical
Publication of CN109351887B publication Critical patent/CN109351887B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21FWORKING OR PROCESSING OF METAL WIRE
    • B21F5/00Upsetting wire or pressing operations affecting the wire cross-section
    • B21F5/005Upsetting wire

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolling Contact Bearings (AREA)
  • Pivots And Pivotal Connections (AREA)

Abstract

The invention discloses a kind of rotary spacing inserting column structures, including limited post ontology, one end of limited post ontology is integrally conical shape, the other end is provided with inner hole, a ball is provided in inner hole, the bottom hole of inner hole is the arc-shaped matched with ball shape, one end that limited post ontology is located at its cone-shaped offers the opening I for exposing ball, tabletting is disposed in inner hole, diaphragm seal and plug, offered on diaphragm seal be ball expose opening II, seal cavity is formed between tabletting and diaphragm seal and is full of lubricant grease, spring is provided between plug and diaphragm seal, spring provides spring force towards the movement of tabletting direction for diaphragm seal.The configuration of the present invention is simple provides lubrication while ball rolls for it, avoids caused rotation difficulty and stuck phenomenon after ball gets rusty with adjacent regions, improves the flexibility of ball rotation.

Description

A kind of rotary spacing inserting column structure
Technical field
The present invention relates to a kind of inserting column structures, and in particular to a kind of rotary spacing inserting column structure.
Background technique
Reinforcing bar pier head machine is very extensive in the utilization of steel bar meter field, and reinforcing bar pier head machine can be divided into electric heating high strength cast iron pier nose Machine and cold pier reinforcing bar pier head machine, electric heating high strength cast iron pier head machine are that the head of reinforcing bar is electrically heated certain temperature is laggard Row pressurization pier nose.In the operation of reinforcing bar pier nose, reinforcing bar is from the pan feeding endfeed of reinforcing bar pier head machine, in reinforcing bar pier head machine to reinforcing bar Before being gripped, it has been required to manually lift reinforcing bar so that reinforcing bar head is placed in processing stations.Worker not only lifts steel Muscle, while also to move reinforcing bar charging forward, causes biggish work load to worker in this way, at the same be also easy to make worker by Wound.In order to solve this problem, it will usually steel bar support device be set in front of the feeding end of reinforcing bar pier head machine, reinforcing bar is carried out Support, such worker are only completed feeding work.Steel bar support device includes support portion, and support portion is concavely provided with for putting The limiting groove of reinforcing bar is set, the section arc radius of limiting groove is shown with reinforcing bar radius one to be processed limits reinforcing bar. But limiting groove is only applicable to a kind of reinforcing bar of format diameter size, such as needs to carry out the reinforcing bar of different size diameter Processing, then adaptability is poor, and reinforcing bar is easy to shake, and it is solid to the clamping of reinforcement location just to will affect clamping device in reinforcing bar pier head machine It is fixed, only solved the problems, such as by manually ceaselessly replacing steel bar support device back and forth, it is not only cumbersome, in addition also reduce Processing efficiency.
In order to solve the above-mentioned technical problem, inventor has invented a kind of reinforcing bar pier head machine front end steel bar support device, including Mounting seat is fixed with support rod at the top of mounting seat, is rotatably connected to supporting block on support rod, in supporting block and with support The axis of bar is that the center of circle around it is respectively arranged with multiple arc grooves, on support rod and is located on the inside shaft of supporting block and is also arranged There is rotary spacing block, pop-up is provided with limited post on rotary spacing block, and multiple location dimples are correspondingly arranged in supporting block, limits Column is connected on corresponding location dimples to carry out selective positioning to corresponding arc groove, is located above corresponding arc groove to suitable Reinforcing bar is answered to carry out limited support.In order to reduce abrasion, the contact jaw of supporting block, which is provided with one, on limited post to roll Ball, replace sliding friction with rolling friction, but be in static condition if be not used for a long time, ball is in limited post It just will appear the phenomenon that getting rusty, corrosion can be filled in the gap location of ball rotation, and will result in ball can not roll, and make ball card Extremely.
Summary of the invention
In view of the above shortcomings of the prior art, the technical problems to be solved by the present invention are: how providing one kind can be Ball is lubricated, and improves the rotary spacing inserting column structure of ball rotation flexibility.
In order to solve the above-mentioned technical problem, present invention employs the following technical solutions:
A kind of rotary spacing inserting column structure, including limited post ontology, one end of limited post ontology are integrally conical shape, other end edge Limited post body axis direction, which extends internally, is provided with inner hole, is provided with a ball in inner hole, and the bottom hole of inner hole is and ball The arc-shaped that shape matches, one end that limited post ontology is located at its cone-shaped offer diameter less than ball diameter and can make Ball is exposed to the external opening I of limited post sheet, in inner hole and is located at that be additionally provided on the outside of ball can be along inner hole centreline Direction carries out mobile tabletting, and tabletting and the sealing of inner hole inner wall cooperate, be provided with and ball shape phase on the inner side surface of tabletting The arc pit of cooperation, the hole bottom of arc pit offer diameter less than ball diameter and ball can be made to be exposed on the outside of tabletting Opening II, in inner hole and be located on the outside of tabletting be additionally provided with can along the diaphragm seal that inner hole centreline direction is moved, Diaphragm seal and the sealing of inner hole inner wall cooperate, and seal cavity is formed between diaphragm seal and tabletting, lubrication is filled in seal cavity Grease, is threaded with plug at the aperture of inner hole, is provided with spring in inner hole and between plug and diaphragm seal, spring One end is connected on plug, and the other end is fixedly connected with diaphragm seal, and spring can provide for diaphragm seal towards the movement of tabletting direction Spring force.
In the present invention, spring acts on diaphragm seal, provides spring force towards the movement of tabletting direction for diaphragm seal;Due to Lubricant grease is filled in seal cavity, diaphragm seal will transfer the force to lubricant grease, then be passed to by lubricant grease Tabletting makes tabletting that ball is extruded in inner hole hole bottom, exposes ball part from opening I, it is ensured that ball can support It is rolled on block, ball is avoided to bounce back in inner hole;For ball during rolling, corresponding ball is exposed to the part of opening II It will be contacted with lubricant grease, lubricant grease will be attached on ball, provided lubrication for ball and tabletting and inner hole friction, made Ball rotation is more flexible, in addition and to ball and tabletting and inner hole protects, it is avoided phenomenon of getting rusty occur;Simultaneously Lubricant grease on ball, which can also transmit, to be attached on supporting block and location dimples, its mutual mill is further decreased It damages more convenient rotational support block and carries out selective positioning.Consumption with ball to lubricant grease, the interior profit of seal cavity Lubricating oil rouge volume is reduced, and corresponding spring can push diaphragm seal to reduce the volume of seal cavity, and continues to provide active force To ensure contact of the lubricant grease to ball.When ball does not rotate, ball is stuck at opening I and opening II, utilizes bullet The active force that spring passes over, yet forms sealing structure between tabletting and ball, avoid lubricant grease in this way in routine Under leakage problem.
As optimization, on the shaft of the limited post ontology and it is located at the seal cavity close to one end of the tabletting Offer the gas port being connected to the inner hole along the limited post ontology radial direction, the outer surface of the limited post ontology and Be recessed with counterbore positioned at the position of gas port, counterbore be embedded in seal rubber block and by seal rubber block with to gas port into Row sealing.When in seal cavity lubricant grease run out of require supplementation with when, take out plug, by pull spring take out sealing Then piece injects lubricant grease in inward hole.If filling is the biggish grease of some viscosityes, after diaphragm seal is installed, In seal cavity may will air, this partial air just will affect the lubrication of ball.By the way that gas port is arranged, sealed in installation When piece, pushes the movement of diaphragm seal that the air of seal cavity can be discharged from gas port, recycle seal rubber block Gas port is sealed, seal rubber block is located in counterbore, will not impact to sliding of the limited post in slide opening.
As optimization, it is embedded with support chip on the inner side surface of the seal rubber block, support chip is towards the sealing rubber The side of blob of viscose is provided with drawstring, and one end of drawstring is fixedly connected with support chip, the other end pass through in the seal rubber block and It stretches out on the outside of the seal rubber block.By pullling drawstring, support chip is reversely used in seal rubber block, and then can be light Pine takes out seal rubber block out of counterbore.
In conclusion the beneficial effects of the present invention are: the configuration of the present invention is simple provides while ball rolls for it Lubrication avoids caused rotation difficulty and stuck phenomenon after ball gets rusty with adjacent regions, improves the spirit of ball rotation Activity.
Detailed description of the invention
In order to keep the purposes, technical schemes and advantages of invention clearer, the present invention is made into one below in conjunction with attached drawing The detailed description of step, in which:
Fig. 1 is the three dimensional structure diagram of reinforcing bar pier head machine front end steel bar support device;
Fig. 2 is the cross-sectional view of limited post in the steel bar support device of reinforcing bar pier head machine front end.
Specific embodiment
With reference to the accompanying drawing to use structure of the invention the reinforcing bar pier head machine front end steel bar support device present invention make into The detailed description of one step.
As depicted in figs. 1 and 2, the reinforcing bar pier head machine front end steel bar support device in present embodiment, including installation Pedestal 1, the top of mounting seat 1 are fixedly connected with an extended support rod 2 horizontally outward, along its axis on support rod 2 Line direction is rotatably connected to supporting block 3, is respectively arranged with multiple circular arcs around it in supporting block 3 and using the axis of support rod as the center of circle The center line of slot 4, multiple arc grooves 4 is parallel with the axis of support rod 2, and the section arc radius of each arc groove 4 is not The identical reinforcing bar with for laying up diameter on support rod 2 and is located at also to be arranged on the inside shaft of supporting block 3 and turns Dynamic limited block 5, rotary spacing block 5 are fixedly connected by the fixing screws being arranged along 2 radial direction of support rod with support rod 2, are turned Edge is parallel to 2 axis direction of support rod and is equipped with slide opening, projection position of the slide opening on 2 axis direction of support rod on dynamic limited block 5 In supporting block 3 along the projection on 2 axis direction of support rod, it is sliding combined with limited post 6 along its axis direction in slide opening, is limited The length of column 6 is less than the length of slide opening, and on slide opening inner wall and one end far from supporting block 3 is provided with interior spiral shell along its axis direction Line, is provided with the end 7 being threadedly engaged with internal screw thread in slide opening, is provided with energy in slide opening and between end 7 and limited post 6 It is enough connected to far from one end of end the spring I of spring force is provided in supporting block 3 for limited post 6, supporting block 3 is towards limited post 6 Side side on using the axis of support rod 2 as the center of circle be distributed with multiple location dimples 8 around it, limited post 6 is towards supporting block 3 One end can be connected in location dimples 8 and be limited with the rotation to supporting block 3 around support rod 2, when limited post 6 is towards support When one end of block 3 is connected in any one location dimples 8, the center line for being corresponding with an arc groove 4 is located at support rod 2 It is located on same perpendicular above center line and with it.
In present embodiment, one end of the limited post 6 toward the supporting block 3 is integrally conical shape, described The one end of limited post 6 far from the supporting block 3 extends internally along 6 axis direction of limited post and is provided with inner hole 9, in inner hole 9 It is provided with a ball 10, the bottom hole of inner hole 9 is the arc-shaped matched with 10 shape of ball, and the limited post 6 is located at its circle One end of nose cone shape offers diameter less than 10 diameter of ball and ball 10 can be made to be exposed to the opening outside the limited post 6 I, in inner hole 9 and it is located at the outside of ball 10 be additionally provided with can be along the tabletting 11 that inner hole centreline direction is moved, tabletting 11 cooperate with the sealing of 9 inner wall of inner hole, are provided with the arc pit matched with 10 shape of ball, arc on the inner side surface of tabletting 11 The hole bottom of shape pit offers diameter less than 10 diameter of ball and ball 10 can be made to be exposed to the opening II on the outside of tabletting 11, interior Being additionally provided in hole 9 and positioned at the outside of tabletting 11 can be along the diaphragm seal 12 that 9 centerline direction of inner hole is moved, diaphragm seal 12 cooperate with the sealing of 9 inner wall of inner hole, and seal cavity is formed between diaphragm seal 12 and tabletting 11, lubrication is filled in seal cavity Grease, is threaded with plug 13 at the aperture of inner hole 9, is provided with bullet in inner hole 9 and between plug 13 and diaphragm seal 12 Spring II 14, one end of spring II 14 are connected on plug 13, and the other end is fixedly connected with diaphragm seal 12, and spring II 14 can be close Mounting 12 provides spring force towards 11 direction of tabletting is mobile, and the location dimples 8 are arc-shaped pit and its concave surface and ball 10 Cambered surface matches.
In present embodiment, on the shaft of the limited post 6 and it is located at the seal cavity close to the tabletting 11 one end offers the gas port 15 being connected to the inner hole 9 along 6 radial direction of limited post, the limited post 6 it is outer Surface and the position for being located at gas port 15 are recessed with counterbore, and counterbore has been embedded in seal rubber block 16 and by seal rubber block 16 To be sealed to gas port 15.
In present embodiment, support chip, support chip direction are embedded on the inner side surface of the seal rubber block 16 The side of the seal rubber block is provided with drawstring, and one end of drawstring is fixedly connected with support chip, and the other end is passed through in described close It seals rubber block 16 and stretches out in 16 outside of seal rubber block.
During specific implementation, it is provided on the arc pit and positioned at the outside of the opening II and is opened with described II center of mouth is annular groove of the center of circle around the opening II.After ball adheres to lubricant grease in seal cavity, with rolling The rolling of pearl, lubricant grease will be packed into annular groove, after allowing lubricant grease to fill full annular groove, the profit in annular groove Lubricating oil rouge can form a circle lubricant grease sealing ring in the outside of opening II, using lubricant grease to the profit by opening II Lubricating oil rouge is stopped, and is avoided excessive lubricant grease and is adhered to away from opening I, and extend lubrication uses the time.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although passing through ginseng According to the preferred embodiment of the present invention, invention has been described, it should be appreciated by those of ordinary skill in the art that can To make various changes to it in the form and details, without departing from the present invention defined by the appended claims Spirit and scope.

Claims (3)

1. a kind of rotary spacing inserting column structure, including limited post ontology, it is characterised in that: one end of limited post ontology is integrally in cone Shape, the other end extend internally along limited post body axis direction and are provided with inner hole, and a ball is provided in inner hole, inner hole Bottom hole is the arc-shaped matched with ball shape, and one end that limited post ontology is located at its cone-shaped offers diameter less than ball Diameter and ball can be made to be exposed to the external opening I of limited post sheet, in inner hole and be located at that be additionally provided on the outside of ball can The tabletting moved along inner hole centreline direction, tabletting and the sealing of inner hole inner wall cooperate, and are provided on the inner side surface of tabletting The arc pit matched with ball shape, the hole bottom of arc pit offer diameter less than ball diameter and ball can be made to reveal For the opening II on the outside of tabletting, it is additionally provided with and can be moved along inner hole centreline direction in inner hole and on the outside of tabletting Dynamic diaphragm seal, diaphragm seal and the sealing of inner hole inner wall cooperate, and seal cavity are formed between diaphragm seal and tabletting, in seal cavity It is filled with lubricant grease, is threaded with plug at the aperture of inner hole, is provided in inner hole and between plug and diaphragm seal One end of spring, spring is connected on plug, and the other end is fixedly connected with diaphragm seal, and spring can be diaphragm seal towards tabletting side Spring force is provided to mobile.
2. a kind of rotary spacing inserting column structure according to claim 1, it is characterised in that: the shaft of the limited post ontology It is upper and be located at the seal cavity close to one end of the tabletting along the limited post ontology radial direction offer with it is described The gas port of inner hole connection, the outer surface of the limited post ontology and the position for being located at gas port are recessed with counterbore, and counterbore is embedded Enter to have seal rubber block and by seal rubber block to be sealed to gas port.
3. a kind of rotary spacing inserting column structure according to claim 2, it is characterised in that: the inside of the seal rubber block Support chip is embedded on side, the side of support chip towards the seal rubber block is provided with drawstring, one end of drawstring and support Piece is fixedly connected, and the other end is passed through in the seal rubber block and stretched out on the outside of the seal rubber block.
CN201811456466.7A 2018-11-30 2018-11-30 Rotation limiting plunger structure Active CN109351887B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811456466.7A CN109351887B (en) 2018-11-30 2018-11-30 Rotation limiting plunger structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811456466.7A CN109351887B (en) 2018-11-30 2018-11-30 Rotation limiting plunger structure

Publications (2)

Publication Number Publication Date
CN109351887A true CN109351887A (en) 2019-02-19
CN109351887B CN109351887B (en) 2024-03-15

Family

ID=65330702

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811456466.7A Active CN109351887B (en) 2018-11-30 2018-11-30 Rotation limiting plunger structure

Country Status (1)

Country Link
CN (1) CN109351887B (en)

Citations (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN87208671U (en) * 1987-05-30 1988-05-11 上海缝纫机针二厂 Low-noise sliding hammer for metal variable diameter equipement
DE19817911A1 (en) * 1998-04-22 1999-10-28 Novibra Gmbh Footstep bearing housing for shaft of open end spinning rotor
JPH11335657A (en) * 1998-05-28 1999-12-07 Ntn Corp Oil-containing seal device for ball screw
JP2002266883A (en) * 2001-03-09 2002-09-18 Nsk Ltd Angular ball bearing and combined angular ball bearing
CN1840940A (en) * 2005-04-01 2006-10-04 上银科技股份有限公司 Oil storage device
JP2008240796A (en) * 2007-03-26 2008-10-09 Nsk Ltd Angular contact ball bearing with seal, and spindle device
JP2008261477A (en) * 2007-03-16 2008-10-30 Nsk Ltd Radial ball bearing cage and radial ball bearing
CN201344011Y (en) * 2009-02-13 2009-11-11 新疆石油管理局试油公司 Blowout preventer quick-connection device
CN202987799U (en) * 2012-11-12 2013-06-12 深圳市通产丽星股份有限公司 Ball daub body valve and ball daub packaging container with same
CN103384602A (en) * 2010-12-20 2013-11-06 株式会社樱花彩色笔 Ballpoint pen and penpoint tip for ballpoint pen
CN203402772U (en) * 2013-07-30 2014-01-22 深圳市一康智科技有限公司 Durable wire taking-up device
CN203615036U (en) * 2013-12-24 2014-05-28 郑州奥特科技有限公司 Grease tank and lubricating system with same
CN204553199U (en) * 2015-04-03 2015-08-12 濮阳市中信激扬机械制造有限公司 A kind of plunger pump clack box assembly
CN104912939A (en) * 2015-05-30 2015-09-16 德清恒富机械有限公司 Wear-resistant bearing roller
CN105587361A (en) * 2016-02-15 2016-05-18 重庆倍精科技研发有限公司 Efficient, environment-friendly and energy-saving lubricating oil pumping device
CN107061486A (en) * 2017-06-06 2017-08-18 江苏光扬轴承有限公司 A kind of spacing dust-proof rolling bearing of Spring Card
CN207033986U (en) * 2017-06-20 2018-02-23 苏州钛盟科技精密模具有限公司 A kind of lubricating type guide pillar structure
CN207222831U (en) * 2017-07-12 2018-04-13 重庆斯登德工贸有限公司 Cold upsetting die of car with positioning adjustment structure
CN207728738U (en) * 2017-12-28 2018-08-14 浙江一铭机车部件有限公司 A kind of self-lubricating bearing
CN108468794A (en) * 2018-05-17 2018-08-31 谷格智能机械(长兴)有限公司 A kind of output shaft of gear-box bearing block sealing structure
CN209124787U (en) * 2018-11-30 2019-07-19 中冶建工集团有限公司 Rotary spacing inserting column structure

Patent Citations (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN87208671U (en) * 1987-05-30 1988-05-11 上海缝纫机针二厂 Low-noise sliding hammer for metal variable diameter equipement
DE19817911A1 (en) * 1998-04-22 1999-10-28 Novibra Gmbh Footstep bearing housing for shaft of open end spinning rotor
JPH11335657A (en) * 1998-05-28 1999-12-07 Ntn Corp Oil-containing seal device for ball screw
JP2002266883A (en) * 2001-03-09 2002-09-18 Nsk Ltd Angular ball bearing and combined angular ball bearing
CN1840940A (en) * 2005-04-01 2006-10-04 上银科技股份有限公司 Oil storage device
JP2008261477A (en) * 2007-03-16 2008-10-30 Nsk Ltd Radial ball bearing cage and radial ball bearing
JP2008240796A (en) * 2007-03-26 2008-10-09 Nsk Ltd Angular contact ball bearing with seal, and spindle device
CN201344011Y (en) * 2009-02-13 2009-11-11 新疆石油管理局试油公司 Blowout preventer quick-connection device
CN103384602A (en) * 2010-12-20 2013-11-06 株式会社樱花彩色笔 Ballpoint pen and penpoint tip for ballpoint pen
CN202987799U (en) * 2012-11-12 2013-06-12 深圳市通产丽星股份有限公司 Ball daub body valve and ball daub packaging container with same
CN203402772U (en) * 2013-07-30 2014-01-22 深圳市一康智科技有限公司 Durable wire taking-up device
CN203615036U (en) * 2013-12-24 2014-05-28 郑州奥特科技有限公司 Grease tank and lubricating system with same
CN204553199U (en) * 2015-04-03 2015-08-12 濮阳市中信激扬机械制造有限公司 A kind of plunger pump clack box assembly
CN104912939A (en) * 2015-05-30 2015-09-16 德清恒富机械有限公司 Wear-resistant bearing roller
CN105587361A (en) * 2016-02-15 2016-05-18 重庆倍精科技研发有限公司 Efficient, environment-friendly and energy-saving lubricating oil pumping device
CN107061486A (en) * 2017-06-06 2017-08-18 江苏光扬轴承有限公司 A kind of spacing dust-proof rolling bearing of Spring Card
CN207033986U (en) * 2017-06-20 2018-02-23 苏州钛盟科技精密模具有限公司 A kind of lubricating type guide pillar structure
CN207222831U (en) * 2017-07-12 2018-04-13 重庆斯登德工贸有限公司 Cold upsetting die of car with positioning adjustment structure
CN207728738U (en) * 2017-12-28 2018-08-14 浙江一铭机车部件有限公司 A kind of self-lubricating bearing
CN108468794A (en) * 2018-05-17 2018-08-31 谷格智能机械(长兴)有限公司 A kind of output shaft of gear-box bearing block sealing structure
CN209124787U (en) * 2018-11-30 2019-07-19 中冶建工集团有限公司 Rotary spacing inserting column structure

Also Published As

Publication number Publication date
CN109351887B (en) 2024-03-15

Similar Documents

Publication Publication Date Title
CN103084306A (en) Battery steel shell inner wall graphite spraying equipment
CN209124787U (en) Rotary spacing inserting column structure
CN107477090A (en) needle bearing
CN109351887A (en) A kind of rotary spacing inserting column structure
CN209094407U (en) Reinforcing bar pier head machine front end steel bar support device
CN205687276U (en) Wire installation
CN209444719U (en) A kind of electromagnetic machine with self-lubricating function
CN208519471U (en) Large size bearing lubrication assistant mechanism
CN108533616A (en) A kind of low speed heavy load roller sliding bearing
CN104174782A (en) Annular capping device
CN205565607U (en) Terminal box that facilitates use
CN211874938U (en) Long-life stage lighting bearing
CN208057697U (en) A kind of biserial ball-type is without sealing light and thin type pivoting support
CN212003956U (en) Self-lubricating cylindrical ball bearing
CN203992127U (en) A kind of annular seaming device
CN208041394U (en) Joint bearing
CN202543435U (en) Clamping roller bearing
CN207364108U (en) A kind of outer ring for having the function of to adapt to more sizes
CN209036383U (en) Reinforcing bar clamps driving structure
CN216009268U (en) Novel bearing inner ring
CN215998151U (en) Supporting roll for straightener
CN217842375U (en) Hub bearing unit for vehicle
CN215521676U (en) Bearing of conveying tray
CN215567389U (en) Novel high-precision long-life bearing
CN216111728U (en) Special bearing for wind power generation equipment

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