[go: up one dir, main page]

CN208992060U - Positioning device for trailer axle welding - Google Patents

Positioning device for trailer axle welding Download PDF

Info

Publication number
CN208992060U
CN208992060U CN201821685389.8U CN201821685389U CN208992060U CN 208992060 U CN208992060 U CN 208992060U CN 201821685389 U CN201821685389 U CN 201821685389U CN 208992060 U CN208992060 U CN 208992060U
Authority
CN
China
Prior art keywords
positioning
slide plate
sliding plate
trailer axle
sliding
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
CN201821685389.8U
Other languages
Chinese (zh)
Inventor
吴志强
徐力山
蓝天璜
陈骞
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.)
Guangdong Fuwa Heavy Industry Co Ltd
Original Assignee
Guangdong Fuwa Heavy 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 Guangdong Fuwa Heavy Industry Co Ltd filed Critical Guangdong Fuwa Heavy Industry Co Ltd
Priority to CN201821685389.8U priority Critical patent/CN208992060U/en
Application granted granted Critical
Publication of CN208992060U publication Critical patent/CN208992060U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Butt Welding And Welding Of Specific Article (AREA)

Abstract

Trailer axle positioning device for welding, including rack, there are two the first slide plates for setting in rack;Two shaft end positioning seats being separately mounted on two first slide plates;Two the second slide plates being separately mounted on two first slide plates, third slide plate there are two being respectively provided on each second slide plate, the length direction of the rack that can postpone is relative to the second slide plate slides, a third slide plate is equipped with support of bearing positioning seat wherein, one, which is hinged with, on another third slide plate is provided with an angle adjustment plate, another third slide plate is articulated on the inside of the angle adjustment plate, outside forms a free end, that slides on angle adjustment plate is equipped with the 4th slide plate, is fixed with air chamber base locating piece on the 4th slide plate;For driving the first slide plate to postpone the mobile driving assembly of rack length direction.The utility model can satisfy the welding positioning requirements of a variety of trailer axles of different model, specification, to increase the scope of application of positioning device.

Description

Trailer axle positioning device for welding
Technical field
The utility model relates to vehicle bridge processing technique fields, and in particular to a kind of trailer axle positioning device for welding.
Background technique
Trailer axle is in processing, it usually needs in some assembly parts of central siphon outside weldings, for installing suspension, camshaft Deng, such as air chamber base, spherical bearing bracket be typically required configuration positioning tool when welding these assembly parts, to central siphon, Gas chamber frame and spherical bearing bracket etc. are positioned, to ensure the precision welded.Existing positioning tool can only be suitable for Single size, model trailer axle welding, since the size and model of trailer axle are numerous, existing welding tooling can only be fitted A kind of welding for trailer axle.
Utility model content
In view of the deficiencies of the prior art, the purpose of this utility model is intended to provide a kind of trailer axle welding positioning dress It sets, the welding of multiple trailer axles can be suitable for.
To achieve the above objectives, the present invention adopts the following technical solutions:
Trailer axle positioning device for welding characterized by comprising
Rack, there are two the first slide plate, which is relatively arranged on the both ends of rack and can be for setting in rack Relative to housing slide on the length direction of rack;
Two shaft end positioning seats being separately mounted on two first slide plates, two axial ends positioning seat are pressed respectively in trailer axle Two ends;
Two the second slide plates being separately mounted on two first slide plates, second slide plate can along rack length direction it is opposite In being respectively provided in the first slide plate slides, each second slide plate there are two third slide plate, which is respectively placed in second The two sides of slide plate, and the length direction for the rack that can postpone is relative to the second slide plate slides, wherein a third slide plate installation Have support of bearing positioning seat, one be hinged on another third slide plate and is provided with an angle adjustment plate, the angle adjustment plate it is interior Side is articulated with another third slide plate, outside forms a free end, and that slides on angle adjustment plate is equipped with one the Four slide plates are fixed with air chamber base locating piece on the 4th slide plate;
For driving the first slide plate to postpone the mobile driving assembly of rack length direction.
It is provided with a positioning block on another third slide plate, it is recessed that multiple positioning being arranged side by side are provided on the locating piece Slot, the free end of angle adjustment plate are provided with the positioning column in embeddable any positioning groove.
Support of bearing positioning seat includes the vertical beam being installed therein on a third slide plate, is movably arranged on vertical beam top The motion bar at end, for drive motion bar postpone rack width direction movement driving unit, two are respectively hinged at activity The claw of bar two sides, two connecting rods corresponding with two claws respectively, one end of connecting rod is hinged on vertical beam, the other end is hinged on card The middle part of pawl.
Vertical beam is mounted on another third slide plate by one along the sliding rail that rack width direction extends.
Shaft end positioning seat includes column, the fixing sleeve for being fixed on column top, is mounted on inside fixing sleeve by bearing Movable sleeve and wearing connects in movable sleeve for pressing the mandril of trailer axle end face.
The inner wall of movable sleeve is tapered, and internal diameter is gradually reduced from inside to outside, and mandril is in and the matched taper of movable sleeve.
The sliding rail that rack length direction extension is postponed by one in the bottom of column is mounted on the first slide plate, first slide plate On be additionally provided with one for pushing column to postpone the mobile oil cylinder of sliding rail.
By along rack between first slide plate and rack, the second slide plate and the first slide plate, third slide plate and the second slide plate The linear guide that length direction extends is slidably matched.
It is additionally provided with a support base for support trailer axle on first slide plate, is provided with a positioning at the top of the support base The section of slot, the locating slot is V-shaped.
The utility model has the beneficial effects that:
The utility model, while can be according to different welderings by being adjusted in position of the rack length direction to workpiece Requirement is connect, adjusts the angle, the welding positioning requirements of a variety of trailer axles of different model, specification can be met, to increase The scope of application of positioning device, saves cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model;
Fig. 2 is the enlarged view in Fig. 1 at B;
Fig. 3 is a kind of use state diagram of the utility model;
Fig. 4 is the C-C cross-sectional view in Fig. 1;
Fig. 5 is the enlarged view in Fig. 4 at A.
Specific embodiment
In the following, being further described in conjunction with the drawings and specific embodiments to the utility model:
As shown in Figure 1, being a kind of trailer axle positioning device for welding of the utility model, it is used to weld in trailer axle When, trailer axle, the support of bearing and air chamber base are positioned, to ensure the precision welded, and can be according to the extension of different model Vehicle bridge is adjusted correspondingly.The positioning device specifically includes 10, two shaft end positioning seats of rack, two the second slide plates 30, drives Dynamic component;Wherein, rack 10 is the installation foundation part of entire positioning device, and there are two the first slide plates for setting in rack 10 20, this two the first slide plates 20 are slidably mounted in rack 10 by the linear guide extended along 10 length direction of rack, and And the both ends for being set to rack 10 that this two the first slide plates 20 are opposite;Two shaft end positioning seats are separately mounted to two first cunnings On plate 20, when positioning to trailer axle 90, two axial ends positioning seat is pressed respectively in the both ends of trailer axle 90, to be formed One mechanism that trailer axle 90 is gripped.Shaft end positioning seat specifically may include column 21, fixing sleeve 22, movable sleeve 23, mandril 24, wherein column 21 is mounted on the first slide plate 20, and fixing sleeve 22 is fixed on the top of column 21, and movable sleeve 23 is set It sets in fixing sleeve 22 and is rotatably connect by bearing with fixing sleeve 22, one end of mandril 24, which is worn, to be connect in movable sleeve 23, The other end is towards the middle part of 10 length direction of rack, for pressing the end of trailer axle 90.Further, the inner wall of movable sleeve 23 Tapered, internal diameter is gradually reduced from inside to outside, that is to say, that the internal diameter of movable sleeve 23 from towards one end among rack 10 to The outside of rack 10 be gradually reduced, mandril 24 be in the matched taper of movable sleeve 23, in this way, using the cone in movable sleeve 23 Shape carries out centering to mandril 24, is then overlapped trailer axle 90 and the axis of the movable sleeve 23 at 10 both ends of rack.Furthermore, it is possible to It is to be mounted on the bottom of column 21 on first slide plate 20 by a sliding rail, the postpone length direction of rack 10 of the sliding rail prolongs It stretches, an oil cylinder 26 is additionally provided on the first slide plate 20, the cylinder part of the oil cylinder 26 is fixed on the first slide plate 20, telescopic rod It is fixedly connected on column 21, starts oil cylinder, column 21 can be driven mobile towards the middle part of rack 10 or both ends, position shaft end Seat is in suitable position on 10 length direction of rack;Certainly, which, which can also be with cylinder, replaces.Driving assembly For driving the first slide plate 20 to move along the length direction of rack 10, and keep the first slide plate 20 after this movement At location, which consists of two parts, corresponding with two first slide plates 20 respectively, specifically, each section Rotating handle, drive lead screw is arranged in the outboard end of drive lead screw in the mechanism that can be drive lead screw and feed screw nut's composition It being mounted in rack 10, feed screw nut covers on drive lead screw and fixes with the first slide plate 20, in this way, rotation rotating handle, i.e., The position of first slide plate 20 can be adjusted, certainly, driving assembly can also be including two hydraulic cylinders or cylinder, use respectively In two the first slide plates 20 of driving.Second slide plate 30, second slide plate 30 are mounted on each first slide plate 20 It can be and be slidably mounted on the first slide plate 20 by the linear guide of 10 length direction of a rack extension of postponing, it can also be with It is to be slidably matched in other way with the first slide plate 20, is respectively mounted on each second slide plate 30 there are two third slide plate 41,42, third slide plate 41 and third slide plate 42 are respectively placed in the two sides of the second slide plate 30, the relatively independent setting of the two, and And the cooperation with the sliding of the second slide plate 30, to be slided on the length direction of rack 10 relative to the second slide plate 30, sliding Cooperation can also be realized by linear guide.Support of bearing positioning seat is installed on third slide plate 42, for the support of bearing 92 are positioned, and an angle adjustment plate 50 is then hinged on third slide plate 41, and particularly, which is located at the The top of three slide plates 41, the side close to the middle part of 10 width direction of rack are hinged on third slide plate 41, outside rack 10 The side of side forms a free end, and that slides on angle adjustment plate 50 is equipped with one the 4th slide plate 60, the 4th slide plate 60 On be fixed with air chamber base locating piece 61, the air chamber base locating piece 61 is for putting air chamber base 91;In the utility model, it can be Damping structure is arranged in angle adjustment plate 50 and 41 hinged place of third slide plate, when angle adjustment plate 50 is adjusted to respective angles, resistance Buddhist nun's structure makes the angle adjustment plate 50 be maintained at the angle, it is of course also possible to be one locating piece of installation on third slide plate 41 43, multiple positioning grooves 431 are provided on locating piece 43, and multiple positioning groove 431 is arranged side by side, in angle adjustment plate 50 Free end is fixed with a positioning column 53, which can set in any of them positioning groove 431, i.e., by that will determine Position column 53 is placed in different positioning grooves 431, to change the angle of angle adjustment plate 50, above-mentioned locating piece 43 can be by It is movably arranged on third slide plate 41, to ensure that positioning column 53 can accurately be embedded into positioning groove 431.
When the utility model is used, drive two the first slide plates 20 to be moved to position appropriate by driving assembly, it will Trailer axle 90 is placed between two mandrils 24, with the oil cylinder 26 at both ends by 90 clamping of trailer axle, by air chamber base 91 and the support of bearing 92 are individually positioned on air chamber base locating piece 61 and support of bearing positioning seat, mobile second slide plate 30, by air chamber base 91 and bearing Bracket 92 is adjusted to the rough position of 90 length direction of trailer axle, then passes through mobile third slide plate 41 and third slide plate respectively The 42 accurate relative positions for adjusting air chamber base 91 and the support of bearing 92 and trailer axle 90, then, rotational angle adjustable plate 50, and Mobile 4th slide plate 60, docks air chamber base 91 with trailer axle 90, then, using support of bearing positioning seat by the support of bearing 92 and Trailer axle 90 docks.
In a preferred embodiment, support of bearing positioning seat includes the vertical beam 48 being mounted on third slide plate 42, activity Bar 44,47, two claws 45 of driving unit and two connecting rods 46, wherein motion bar 44 is crossed in the top of vertical beam 48, driving It is moved back and forth on the length direction that unit 47 is used to that motion bar 44 to be driven to postpone rack 10, one end of two claws 45 is respectively articulated with In the two sides of motion bar 44, the other end of two claws 45 forms a free end, for the support of bearing 92 to be fastened on vertical beam 48 top inner side, two connecting rods 46 are corresponding with two claws 45 respectively, one end of connecting rod 46 is hinged on vertical beam 48, the other end then It is the middle part for being hinged on claw 45, when the movement of 47 pushing tow motion bar 44 of driving unit, the free end of claw 45 is expanded outwardly simultaneously It is rotated towards outside, finally, claw 45 cooperates the top inner side face of vertical beam 48 that the support of bearing 92 is fixedly clamped, conversely, driving When unit 47 pulls motion bar 44 to move, the support of bearing 92 is unclamped to contract in the free end of claw 45.Above-mentioned driving unit 47 can be cylinder, hydraulic cylinder or electric cylinder etc., if be able to drive motion bar 44 postpone its movement freedom degree move back and forth ?.Further, the bottom of above-mentioned vertical beam 48 also passes through the sliding rail installation extended along 10 width direction of rack On third slide plate 42, that is, vertical beam 48 is able to drive entire support of bearing positioning seat and moves in the width direction of rack 10, such as This, it can be ensured that the support of bearing 92 is adequately contacted with the welding portion of trailer axle 90.
It should be pointed out that in the utility model, the first slide plate 20 and rack 10, the second slide plate 30 and the first slide plate 20, It is slided by the linear guide extended along 10 length direction of rack between third slide plate 41, third slide plate 42 and the second slide plate 30 Cooperation can also be using other sliding matching modes certainly.
In the other embodiments of the utility model, a support base 70, the support are additionally provided on the first slide plate 20 The top of seat 70 is provided with a locating slot, and the section of the locating slot is V-shaped, in this way, when being positioned to trailer axle 90, it will Trailer axle 90 is set up on the support base 70 being placed on two the first slide plates 20, using 70 support trailer axle 90 of support base, meanwhile, Using the v-shaped structure of locating slot to 90 centering of trailer axle, to ensure that mandril 24 can accurately press against the both ends of trailer axle 90 Face further ensures that and is accurately positioned to trailer axle 90.
Compared with the prior art, the utility model in position of the rack length direction to workpiece by being adjusted, simultaneously It can be adjusted the angle according to different welding requirements, the welding that can meet a variety of trailer axles of different model, specification is fixed Position requires, to increase the scope of application of positioning device, saves cost.
Above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations;Although referring to aforementioned reality Example is applied the utility model is described in detail, those skilled in the art should understand that, it still can be to preceding Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features, and these It modifies or replaces, the spirit and model of various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution It encloses.

Claims (9)

1.挂车桥焊接用定位装置,其特征在于,包括:1. The positioning device for trailer axle welding is characterized in that, comprising: 机架,机架上设置有两个第一滑板,该两第一滑板相对设置于机架的两端并可在机架的长度方向上相对于机架滑动;a rack, the rack is provided with two first sliding plates, the two first sliding plates are oppositely arranged on both ends of the rack and can slide relative to the rack in the length direction of the rack; 两个分别安装在两第一滑板上的轴端定位座,两轴端定位座分别顶压于挂车桥的两个端部;Two axle end positioning seats respectively installed on the two first sliding plates, and the two axle end positioning seats are respectively pressed against the two ends of the trailer axle; 两个分别安装在两第一滑板上的第二滑板,该第二滑板可沿机架的长度方向相对于第一滑板滑动,每一个第二滑板上均设置有两个第三滑板,该两第三滑板分别置于第二滑板的两侧,且均可顺延机架的长度方向相对于第二滑板滑动,在其中一个第三滑板安装有轴承支架定位座,另一个第三滑板上铰接有一设置有一角度调节板,该角度调节板的内侧铰接于该另一个第三滑板、外侧形成一个自由端,在角度调节板上滑动的安装有一个第四滑板,该第四滑板上固定有气室座定位件;Two second sliding plates respectively installed on the two first sliding plates, the second sliding plates can slide relative to the first sliding plates along the length direction of the frame, and each second sliding plate is provided with two third sliding plates, the two The third sliding plates are respectively placed on both sides of the second sliding plate, and can slide relative to the second sliding plate along the length direction of the frame. One of the third sliding plates is installed with a bearing bracket positioning seat, and the other third sliding plate is hinged with a An angle adjustment plate is provided, the inner side of the angle adjustment plate is hinged to the other third sliding plate, and the outer side forms a free end, and a fourth sliding plate is slidably installed on the angle adjustment plate, and the air chamber is fixed on the fourth sliding plate seat locator; 用于带动第一滑板顺延机架长度方向移动的驱动组件。A drive assembly for driving the first sliding plate to move along the length direction of the frame. 2.如权利要求1所述的挂车桥焊接用定位装置,其特征在于,另一个第三滑板上设置有一定位块,该定位块上设置有多个并排排列的定位凹槽,角度调节板的自由端设置有一可嵌入其中任一定位凹槽中的定位柱。2. The positioning device for trailer axle welding according to claim 1, wherein a positioning block is provided on another third sliding plate, and a plurality of positioning grooves arranged side by side are arranged on the positioning block, and the angle adjustment plate is provided with a positioning block. The free end is provided with a positioning post which can be embedded in any of the positioning grooves. 3.如权利要求1所述的挂车桥焊接用定位装置,其特征在于,轴承支架定位座包括安装在其中一个第三滑板上的竖梁、可活动的安装在竖梁顶端的活动杆、用于带动活动杆顺延机架的宽度方向运动的驱动单元,两个分别铰接在活动杆两侧的卡爪、两个分别与两卡爪对应的连杆,连杆的一端铰接在竖梁上、另一端铰接在卡爪的中部。3. The positioning device for trailer axle welding according to claim 1, wherein the bearing bracket positioning seat comprises a vertical beam mounted on one of the third sliding plates, a movable rod movably mounted on the top of the vertical beam, a For the drive unit that drives the movable rod to move along the width direction of the frame, two claws hinged on both sides of the movable rod, two connecting rods corresponding to the two claws respectively, one end of the connecting rod is hinged on the vertical beam, The other end is hinged in the middle of the jaws. 4.如权利要求3所述的挂车桥焊接用定位装置,其特征在于,竖梁通过一沿机架宽度方向延伸的滑动轨道安装在另一个第三滑板上。4 . The positioning device for welding a trailer axle according to claim 3 , wherein the vertical beam is mounted on the other third sliding plate through a sliding track extending along the width direction of the frame. 5 . 5.如权利要求1所述的挂车桥焊接用定位装置,其特征在于,轴端定位座包括立柱、固定在立柱顶端的固定套、通过轴承安装在固定套内部的活动套、以及穿接在活动套内用于顶压挂车桥端面的顶杆。5 . The positioning device for welding a trailer axle according to claim 1 , wherein the shaft end positioning seat comprises a column, a fixed sleeve fixed on the top of the column, a movable sleeve installed inside the fixed sleeve through a bearing, and a fixed sleeve through the bearing. 6 . The ejector rod in the movable sleeve is used to press the end face of the trailer axle. 6.如权利要求5所述的挂车桥焊接用定位装置,其特征在于,活动套的内壁呈锥形,其内径由内向外逐渐减小,顶杆呈与活动套匹配的锥形。6 . The positioning device for welding a trailer axle according to claim 5 , wherein the inner wall of the movable sleeve is tapered, its inner diameter gradually decreases from the inside to the outside, and the ejector rod is in a tapered shape matching the movable sleeve. 7 . 7.如权利要求5所述的挂车桥焊接用定位装置,其特征在于,立柱的底部通过一顺延机架长度方向延伸的滑轨安装在第一滑板上,该第一滑板上还设置有一用于推动立柱顺延滑轨移动的油缸。7 . The positioning device for welding a trailer axle according to claim 5 , wherein the bottom of the upright column is mounted on the first sliding plate through a sliding rail extending along the length direction of the frame, and the first sliding plate is also provided with a utility plate. 8 . The oil cylinder used to push the column to move along the slide rail. 8.如权利要求1所述的挂车桥焊接用定位装置,其特征在于,第一滑板与机架、第二滑板与第一滑板、第三滑板与第二滑板之间均通过沿机架长度方向延伸的直线导轨滑动配合。8 . The positioning device for welding a trailer axle according to claim 1 , wherein the length of the frame passes between the first sliding plate and the frame, the second sliding plate and the first sliding plate, and the third sliding plate and the second sliding plate. 9 . Linear guides extending in the direction of sliding fit. 9.如权利要求1所述的挂车桥焊接用定位装置,其特征在于,第一滑板上还设置有一用于承托挂车桥的支撑座,该支撑座的顶部设置有一定位槽,该定位槽的截面呈V形。9 . The positioning device for welding a trailer axle according to claim 1 , wherein a support seat for supporting the trailer axle is further provided on the first sliding plate, and a positioning groove is provided on the top of the support seat. The cross section is V-shaped.
CN201821685389.8U 2018-10-18 2018-10-18 Positioning device for trailer axle welding Expired - Fee Related CN208992060U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821685389.8U CN208992060U (en) 2018-10-18 2018-10-18 Positioning device for trailer axle welding

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821685389.8U CN208992060U (en) 2018-10-18 2018-10-18 Positioning device for trailer axle welding

Publications (1)

Publication Number Publication Date
CN208992060U true CN208992060U (en) 2019-06-18

Family

ID=66804092

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821685389.8U Expired - Fee Related CN208992060U (en) 2018-10-18 2018-10-18 Positioning device for trailer axle welding

Country Status (1)

Country Link
CN (1) CN208992060U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109048174A (en) * 2018-10-18 2018-12-21 广东富华重工制造有限公司 trailer axle positioning device for welding
CN114434367A (en) * 2020-11-02 2022-05-06 广东富华重工制造有限公司 Positioning device for assembling air suspension plate spring

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109048174A (en) * 2018-10-18 2018-12-21 广东富华重工制造有限公司 trailer axle positioning device for welding
CN114434367A (en) * 2020-11-02 2022-05-06 广东富华重工制造有限公司 Positioning device for assembling air suspension plate spring

Similar Documents

Publication Publication Date Title
CN103692131B (en) A kind of axle housing annex welding tool setup
CN205981642U (en) Tired endurance test rack of rubber bush biax
CN201979238U (en) Sliding Push Type Body-in-White Welding Clamp Mechanism
CN104440324B (en) Clamp for differential mechanism shell inner sphere coarse and fine reaming machine tool
CN202219409U (en) flexible rapid clamp device
CN208992060U (en) Positioning device for trailer axle welding
CN211219382U (en) Positioning and welding tool for scissor arm
CN211331866U (en) A scissor arm flexible welding workstation
CN102371495A (en) Flexible and rapid clamp device
CN102489994A (en) Hub nut assembling equipment
CN216144462U (en) A vertical balancing machine supports elastic clamps with inner holes at both ends
CN102581447B (en) Welder for automotive door bumper
CN104400093B (en) Multi-head mirror image milling device for cylindrical thin-wall workpiece
CN103659130B (en) Axle bottom plate automatic positioning welding tooling equipment
CN104816123A (en) Pipe fitting welding clamp
CN101362267A (en) Welding bench of stage rack
CN201283502Y (en) Slide support frame
CN220462776U (en) Production table for oil cylinder welding processing
CN221582799U (en) Positioning fixture capable of tilting at multiple angles
JP2014504216A (en) Method for positioning a working cylinder in a grinding machine and grinding machine implementing the method
CN220312241U (en) Frock bearing structure
CN109048174A (en) trailer axle positioning device for welding
CN114798785B (en) Cold rolling extra long spline shaft device
CN216138624U (en) Centre bore grinding device is used in processing of axle type gear
CN105666022A (en) Rotatable parallel flexible clamp for thin sheets

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190618