CN211028772U - Rotatable front door frame welding tool - Google Patents
Rotatable front door frame welding tool Download PDFInfo
- Publication number
- CN211028772U CN211028772U CN201922067584.5U CN201922067584U CN211028772U CN 211028772 U CN211028772 U CN 211028772U CN 201922067584 U CN201922067584 U CN 201922067584U CN 211028772 U CN211028772 U CN 211028772U
- Authority
- CN
- China
- Prior art keywords
- beam group
- positioning
- transverse beam
- fixed
- frame
- 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.)
- Active
Links
Images
Landscapes
- Elevator Door Apparatuses (AREA)
Abstract
A rotatable front door frame welding tool comprises a support frame and a positioning frame rotatably mounted on the support frame, wherein the positioning frame comprises two transverse beam groups and two longitudinal beam groups, two first positioning mechanisms are arranged on the transverse beam groups, each first positioning mechanism comprises a first positioning plate, an upper pressing block, a lower pressing block, an outer pressing block and a first side blocking beam, and the top and the bottom of each first positioning plate are symmetrically provided with an upper clamping position and a lower clamping position respectively; and a second side stop beam is arranged on the outer side of one longitudinal beam group. Fix the side frame strip on the screens from top to bottom through each briquetting, the front bezel strip supports and leans on the side of first side fender beam and fixed with side frame strip spot welding, back frame group supports and leans on the inboard of second side fender beam and fixed with side frame strip spot welding, whole welding again at last, realize the welding of construction elevator front door frame, the tow sides of locating rack all are equipped with above-mentioned installation locating part, through rotatable mode, can realize a clamping, weld two front door frames, production quality and efficiency have been improved.
Description
Technical Field
The utility model belongs to the technical field of welding frock technique and specifically relates to a door frame welding frock before rotatable formula.
Background
In the prior art, the existing welding tool for the front door frame of the outer fence of the people and goods construction elevator is fixed on the ground, only one front door frame can be welded at each time, the welding cannot be completed at one time, one side of the welding tool cannot be welded, the welding tool needs to be hung down from the tool, the turnover surface of the welding tool can be welded, and the working efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a door frame welding frock before rotatable, once can weld 2 preceding door frames, all weld moreover and all once only accomplish on the frock, convenient and fast, the great improvement of work efficiency. In order to achieve the above purpose, the utility model adopts the following technical scheme:
a rotatable front door frame welding tool comprises a support frame and a positioning frame rotatably mounted on the support frame, wherein the positioning frame comprises two transverse beam groups arranged at intervals and two longitudinal beam groups arranged at intervals, the transverse beam groups and the longitudinal beam groups form a rectangular frame main body, two first positioning mechanisms are arranged on the transverse beam groups and are arranged at intervals along the length direction of the transverse beam groups, each first positioning mechanism comprises a first positioning plate, an upper pressing block and an outer pressing block, the first positioning plate is fixed on the outer side of each transverse beam group and perpendicular to the transverse beam groups, and a first side blocking beam is fixed on the inner side of each transverse beam group and perpendicular to the transverse beam groups, and an upper blocking position matched with the frame shape of a front door frame is arranged at the top of each first positioning plate; a second side stop beam is further arranged on the outer side of one longitudinal beam group and is perpendicular to the longitudinal beam group; the first positioning mechanism further comprises a lower clamping position and a lower pressing block, wherein the lower clamping position and the upper clamping position are symmetrically designed, and the lower pressing block and the upper pressing block are symmetrically designed.
Further, go up the screens and include first supporting part and interior fender portion, first locating plate top is close to the upwards protrusion of transverse beam group one side and has first cardboard, the first locating plate top is kept away from transverse beam group one side and is upwards protruded and have the second cardboard, the lateral wall that transverse beam group was kept away from to first cardboard forms interior fender portion, the part that first locating plate top is located between first cardboard and the second cardboard and the top of second cardboard forms jointly first supporting part.
Further, first positioning mechanism still includes fixed plate, the fixed setting of fixing with horizontal roof beam group and is in go up the first thread bush of briquetting below and the fixed inboard second thread bush that sets up at outer briquetting, the medial surface of fixed plate pastes with the lateral surface of horizontal roof beam group mutually, the fixed outside and the perpendicular to fixed plate that set up at the fixed plate of first locating plate, first thread bush and second thread bush are fixed on first locating plate, upward be equipped with first through-hole on the briquetting, be equipped with first fastening screw in the first through-hole, the screw thread end and the first thread bush threaded connection of first fastening screw, be equipped with the second through-hole on the outer briquetting, be equipped with second fastening screw in the second through-hole, the screw thread section and the second thread bush threaded connection of second fastening screw.
Further, be located and be equipped with second positioning mechanism between two first positioning mechanism in same transverse beam group outside, second positioning mechanism fixes the lateral surface of transverse beam group, second positioning mechanism establishes including fixing the second locating plate in transverse beam group outside and perpendicular to transverse beam group the interior briquetting of transverse beam group outside and establishing the third thread bush in the interior briquetting outside, the top of second locating plate forms the second supporting part, interior briquetting is located the inboard of second supporting part, be equipped with the third through-hole on the interior briquetting, the outside of interior briquetting is located third through-hole department welding and has the nut, threaded connection has the third fastening screw in the third thread bush, the screw thread end and the nut threaded connection of third fastening screw, the face that interior briquetting is close to the second locating plate pastes with the second locating plate mutually.
Furthermore, the second positioning mechanism further comprises a third supporting part arranged at the bottom of the second positioning plate, and the third supporting part and the second supporting part are symmetrically arranged.
Furthermore, a plurality of supporting beam groups are arranged on the inner side of the frame main body, the supporting beam groups are parallel to the longitudinal beam groups and are close to one of the longitudinal beam groups, and the front surface and the back surface of each supporting beam group and the front surface and the back surface of the longitudinal beam group close to the supporting beam group form a first supporting surface; two first positioning mechanisms of keeping away from the supporting beam group are still fixed with the positioning unit, the positioning unit is fixed and is kept away from supporting beam group one side at first locating plate, the tow sides of positioning unit form the second holding surface.
Furthermore, a plurality of first reinforcing beams and a plurality of second reinforcing beams are arranged inside the frame main body, two ends of each first reinforcing beam are respectively welded and fixed with the longitudinal beam group and the transverse beam group, a triangular structure is formed by the first reinforcing beams, the longitudinal beam group and the transverse beam group, two ends of each second reinforcing beam are respectively welded and fixed with the support beam group and the transverse beam group, a triangular structure is formed by the second reinforcing beams, the support beam groups and the transverse beam groups,
furthermore, the transverse beam group comprises two cross beams arranged at intervals from top to bottom, the two cross beams are connected through a plurality of first connecting plates, the longitudinal beam group comprises two longitudinal beams arranged at intervals from top to bottom, and the two longitudinal beams are connected through a plurality of second connecting plates.
Furthermore, the support frame includes the supporting mechanism that two intervals set up, and the locating rack is established between two supporting mechanism, supporting mechanism's top is equipped with the bearing frame, and the outside of two vertical roof beam group outwards stretches out respectively has the rotation axis, the rotation axis is established in the bearing frame.
Furthermore, platforms are respectively arranged on the other two sides of the positioning frame relative to the two support frames.
Adopt above-mentioned technical scheme, through the internal pressure of the pushing down of last briquetting and external pressure piece, establish the side frame strip pressure of preceding door frame in last screens on first locating plate, realize the fixed of side frame strip, the front frame strip supports the side that leans on first side stop beam, both ends support on roof beam side frame strip and spot welding is fixed, back frame group supports the inboard that leans on second side stop beam and supports on vertical roof beam group, then it is fixed through spot welding, at last whole welding again, realize the welding of construction elevator front door frame, the tow sides of locating rack all are equipped with above-mentioned installation locating part, through rotatable mode, can realize a clamping, weld two preceding door frames, production quality and efficiency have been improved.
Drawings
Fig. 1 is a schematic view of a rotatable front door frame welding tool clamping a front door frame.
Fig. 2 is a schematic view of a rotatable front door frame welding tool.
Fig. 3 is an enlarged schematic view of a point a in fig. 1.
Fig. 4 is an enlarged schematic view B in fig. 2.
Fig. 5 is an enlarged schematic view of C in fig. 1.
Fig. 6 is a schematic side sectional view of the side frame strip installed at D in fig. 1.
Detailed Description
The invention is described below with reference to the accompanying drawings and specific embodiments:
as shown in fig. 1, a front door frame 50 of an outer enclosure of a construction elevator includes two side frame strips 1 disposed at left and right sides, a lower frame group 2 disposed at a bottom, an upper frame strip 3 disposed at a top, and a fitting 4 disposed at a junction of the upper frame strip 3 and the side frame strips 1.
As shown in fig. 1 and 2, the rotatable front door frame welding tool comprises a support frame and a positioning frame 16 rotatably mounted on the support frame, the support frame comprises two supporting mechanisms 5 arranged at intervals, the positioning frame 16 is arranged between the two supporting mechanisms 5, a bearing seat 6 is arranged at the top of each supporting mechanism 5, two ends of the positioning frame 16 respectively extend outwards to form a rotating shaft, and the rotating shaft is arranged in the bearing seats 6.
As shown in fig. 1, 2, 3, 4 and 6, the positioning frame 16 includes two transverse beam groups 7 and two longitudinal beam groups 8 arranged at intervals, the transverse beam groups 7 and the longitudinal beam groups 8 form a rectangular frame body, the outer sides of the two longitudinal beam groups 8 respectively extend outwards to form a rotating shaft, the rotating shaft is arranged in the bearing seat 6, two first positioning mechanisms 9 are arranged on the transverse beam groups 7, the two first positioning mechanisms 9 are arranged at intervals along the length direction of the transverse beam groups 7, each first positioning mechanism 9 includes a first positioning plate 10 fixed on the outer side of each transverse beam group 7 and perpendicular to the transverse beam group 7, an upper pressing block 11, an outer pressing block 12 and a first side blocking beam 13 fixed on the inner side of each transverse beam group 7 and perpendicular to the transverse beam group 7, and an upper blocking position matched with the shape of the frame of the front door frame 50 is arranged on the top of the first positioning plate 10; a second side stop beam 14 is further arranged on the outer side of one of the longitudinal beam groups 8, and the second side stop beam 14 is perpendicular to the longitudinal beam groups 8; the first positioning mechanism 9 further comprises a lower clamping position symmetrically designed with the upper clamping position and a lower pressing block 15 symmetrically designed with the upper pressing block 11. Adopt above-mentioned technical scheme, through the internal pressure of the pushing down of last briquetting 11 and external pressure piece 12, press the side frame strip 1 of preceding door frame 50 and establish in last screens on first locating plate 10, realize the fixed of side frame strip 1, upper frame strip 3 supports and leans on the side of first side blend stop 13, both ends support on roof beam side frame strip 1 and spot welding is fixed, lower frame group 2 supports and leans on the inboard of second side blend stop 14 and supports on vertical roof beam group 8, then fix through spot welding, at last integral welding again, realize the welding of construction elevator outer rail front door frame 50, the tow sides of locating rack 16 all are equipped with above-mentioned installation locating part, through rotatable mode, can realize once the clamping, weld two preceding door frames 50, and the production quality and efficiency are improved.
As a preferable scheme, as shown in fig. 4 and 6, the upper clip includes a first supporting portion 20 and an inner stop portion 19, a first clip 17 protrudes upward from a side of the top of the first positioning plate 10 close to the transverse beam group 7, a second clip 18 protrudes upward from a side of the top of the first positioning plate 10 away from the transverse beam group 7, a side wall of the first clip 17 away from the transverse beam group 7 forms the inner stop portion 19, and a portion of the top of the first positioning plate 10 between the first clip 17 and the second clip 18 and a top of the second clip 18 form the first supporting portion 20 together. By adopting the preferable scheme, the cross section of the front door frame side frame strip 1 is Z-shaped, the side frame strip 1 is pressed on the first supporting part 20 by the upper pressing block, and the side frame strip 1 is pressed on the inner blocking part 19 by the outer pressing block, so that the side frame strip 1 is fixed.
As a preferable scheme, as shown in fig. 4 and 6, the first positioning mechanism 9 further includes a fixing plate 21 fixed to the transverse beam set 7, a first threaded sleeve 22 fixedly disposed below the upper pressing block 11, and a second threaded sleeve 23 fixedly disposed inside the outer pressing block 12, an inner side surface of the fixing plate 21 is attached to an outer side surface of the transverse beam set 7, the first positioning plate 10 is fixedly disposed outside the fixing plate 21 and perpendicular to the fixing plate 21, the first threaded sleeve 22 and the second threaded sleeve 23 are fixed to the first positioning plate 10, the upper pressing block 11 is provided with a first through hole, a first fastening screw 24 is disposed in the first through hole, a threaded end of the first fastening screw 24 is in threaded connection with the first threaded sleeve 22, the outer pressing block 12 is provided with a second through hole, a second fastening screw 25 is disposed in the second through hole, and a threaded section of the second fastening screw 25 is in threaded connection with the second threaded sleeve 23. By adopting the preferable scheme, the first fastening screw 24 and the second fastening screw 25 are locked, and the upper pressing block 11 and the outer pressing block 12 fix the side frame strip 1 on the positioning frame 16.
As a preferred solution, as shown in figure 1, 5, a second positioning mechanism 26 is arranged between two first positioning mechanisms 9 located on the outer side of the same transverse beam group 7, the second positioning mechanism 26 is fixed on the outer side surface of the transverse beam group 7, the second positioning mechanism 26 comprises a second positioning plate 27 fixed on the outer side of the transverse beam group 7 and perpendicular to the transverse beam group 7, an inner pressing block 28 arranged on the outer side of the transverse beam group and a third threaded sleeve 29 arranged on the outer side of the inner pressing block 28, a second supporting portion 30 is formed at the top of the second positioning plate 27, the inner pressing block 28 is located on the inner side of the second supporting portion 30, a third through hole is formed in the inner pressing block 28, a nut 31 is welded at the position, located on the third through hole, of the outer side of the inner pressing block 28, a third fastening screw (not shown in the figure) is connected with the third threaded sleeve 29 in a threaded manner, the threaded end of the third fastening screw is connected with the nut 31 in a threaded manner. With the above preferred embodiment, the second positioning plate 27 supports the middle position of the side frame strip 1, and the inner pressing block 28 applies an outward pressure to the side frame strip 1.
Preferably, the second positioning mechanism 26 further includes a third supporting portion 33 disposed at the bottom of the second positioning plate 27, and the third supporting portion 33 is disposed symmetrically to the second supporting portion 30. The third support portion 33 is used for supporting the side frame strip 1 on the reverse side of the positioning frame 16.
As a preferable scheme, as shown in fig. 2, a plurality of support beam groups 34 are arranged on the inner side of the frame main body, the support beam groups 34 are parallel to the longitudinal beam groups 8 and are close to one of the longitudinal beam groups 8, each support beam group 34 includes two support beams arranged at intervals up and down, the front and back surfaces of the support beam group 34 and the front and back surfaces of the longitudinal beam group 8 close to the support beam group 34 form first support surfaces 35, two first positioning mechanisms 9 far away from the support beam group 34 are further fixed with positioning units 36, as shown in fig. 3 and 4, the positioning units 36 are fixed on one side of the first positioning plate 10 far away from the support beam group 34, and the front and back surfaces of the positioning units 36 form second support surfaces 37. The first support surface 35 is used for supporting the lower frame set 2, and the lower frame set 2 and the side frame strips 1 are fixed in position firstly in a spot welding mode and then integrally welded. The second support surface 37 is used for supporting the fitting 4 at the joint of the upper frame strip 3 and the side frame strip 1, and is also welded at the fixed position by spot welding and then integrally welded.
As a preferable scheme, as shown in fig. 2, a plurality of first reinforcing beams 38 and a plurality of second reinforcing beams 39 are arranged inside the frame main body, two ends of each first reinforcing beam 38 are welded and fixed to the longitudinal beam groups 8 and the transverse beam groups 7, the first reinforcing beams 38, the longitudinal beam groups 8 and the transverse beam groups 7 define a triangular structure, two ends of each second reinforcing beam 39 are welded and fixed to the support beam groups 34 and the transverse beam groups 7, and the second reinforcing beams 39, the support beam groups 34 and the transverse beam groups 7 define a triangular structure. By adopting the preferable technical scheme, the overall strength of the positioning frame 16 is improved.
As a preferred scheme, the transverse beam group 7 comprises two transverse beams 40 arranged at an interval from top to bottom, the two transverse beams 40 are connected through a plurality of first connecting plates 41, the longitudinal beam group 8 comprises two longitudinal beams 42 arranged at an interval from top to bottom, and the two longitudinal beams 42 are connected through a plurality of second connecting plates 43. By adopting the preferable technical scheme, the overall strength of the positioning frame 16 is improved.
Preferably, the positioning frame 16 is provided with a platform 44 on the other two sides relative to the two support mechanisms 5. By adopting the above preferred scheme, the positioning frame 16 is higher, and a welder stands on the platform 44 to perform welding operation, so that the labor intensity is reduced.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, but is intended to cover various modifications, combinations, and alternatives, which will be apparent to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a door frame welding frock before rotatable, includes support frame and the locating rack of rotary mounting on the support frame, its characterized in that: the positioning frame comprises two transverse beam groups arranged at intervals and two longitudinal beam groups arranged at intervals, the transverse beam groups and the longitudinal beam groups form a rectangular frame main body, two first positioning mechanisms are arranged on the transverse beam groups and are arranged at intervals along the length direction of the transverse beam groups, each first positioning mechanism comprises a first positioning plate, an upper pressing block and an outer pressing block which are fixed on the outer side of each transverse beam group and perpendicular to the transverse beam group, and a first side blocking beam which is fixed on the inner side of each transverse beam group and perpendicular to the transverse beam group, and an upper blocking position matched with the frame shape of the front door frame is arranged at the top of each first positioning plate; a second side stop beam is further arranged on the outer side of one longitudinal beam group and is perpendicular to the longitudinal beam group; the first positioning mechanism further comprises a lower clamping position and a lower pressing block, wherein the lower clamping position and the upper clamping position are symmetrically designed, and the lower pressing block and the upper pressing block are symmetrically designed.
2. The rotatable front door frame welding tool according to claim 1, characterized in that: go up the screens and include first supporting part and interior fender portion, first locating plate top is close to the upwards protrusion of transverse beam group one side and has first cardboard, the first locating plate top is kept away from transverse beam group one side and is upwards protruded and have the second cardboard, the lateral wall that transverse beam group was kept away from to first cardboard forms interior fender portion, the part that first locating plate top is located between first cardboard and the second cardboard and the top of second cardboard forms jointly first supporting part.
3. The rotatable front door frame welding tool according to claim 1, characterized in that: first positioning mechanism still includes the fixed plate fixed with horizontal roof beam group, fixed setting is in go up the first thread bush of briquetting below and the fixed inboard second thread bush that sets up at outer briquetting, the medial surface of fixed plate pastes with the lateral surface of horizontal roof beam group mutually, first locating plate is fixed to be set up in the outside of fixed plate and perpendicular to fixed plate, first thread bush and second thread bush are fixed on first locating plate, upward be equipped with first through-hole on the briquetting, be equipped with first fastening screw in the first through-hole, the screw thread end and the first thread bush threaded connection of first fastening screw, be equipped with the second through-hole on the outer briquetting, be equipped with second fastening screw in the second through-hole, the screw thread section and the second thread bush threaded connection of second fastening screw.
4. The rotatable front door frame welding tool according to claim 1, characterized in that: be located and be equipped with second positioning mechanism between two first positioning mechanism in same transverse beam group outside, second positioning mechanism fixes the lateral surface of transverse beam group, second positioning mechanism establishes including fixing the second locating plate in transverse beam group outside and perpendicular to transverse beam group the interior briquetting of transverse beam group outside and establishing the third thread bush in the interior briquetting outside, the top of second locating plate forms the second supporting part, interior briquetting is located the inboard of second supporting part, be equipped with the third through-hole on the interior briquetting, the outside of interior briquetting is located third through-hole department welding and has the nut, threaded connection has the third fastening screw in the third thread bush, the screw thread end and the nut threaded connection of third fastening screw, the face that interior briquetting is close to the second locating plate pastes mutually with the second locating plate.
5. The rotatable front door frame welding tool according to claim 4, characterized in that: the second positioning mechanism further comprises a third supporting part arranged at the bottom of the second positioning plate, and the third supporting part and the second supporting part are symmetrically arranged.
6. The rotatable front door frame welding tool according to claim 1, characterized in that: the inner side of the frame main body is provided with a plurality of supporting beam groups, the supporting beam groups are parallel to the longitudinal beam groups and are close to one of the longitudinal beam groups, and the front and back surfaces of the supporting beam groups and the front and back surfaces of the longitudinal beam groups close to the supporting beam groups form first supporting surfaces;
two first positioning mechanisms of keeping away from the supporting beam group are still fixed with the positioning unit, the positioning unit is fixed and is kept away from supporting beam group one side at first locating plate, the tow sides of positioning unit form the second holding surface.
7. The rotatable front door frame welding tool according to claim 6, characterized in that: the frame body is internally provided with a plurality of first reinforcing beams and a plurality of second reinforcing beams, two ends of each first reinforcing beam are respectively welded and fixed with the longitudinal beam group and the transverse beam group, a triangular structure is formed by the first reinforcing beams, the longitudinal beam group and the transverse beam group in a surrounding mode, two ends of each second reinforcing beam are respectively welded and fixed with the supporting beam group and the transverse beam group in a surrounding mode, and a triangular structure is formed by the second reinforcing beams, the supporting beam groups and the transverse beam groups in a surrounding mode.
8. The rotatable front door frame welding tool according to claim 1, characterized in that: the transverse beam group comprises two cross beams arranged at intervals from top to bottom, the two cross beams are connected through a plurality of first connecting plates, the longitudinal beam group comprises two longitudinal beams arranged at intervals from top to bottom, and the two longitudinal beams are connected through a plurality of second connecting plates.
9. The rotatable front door frame welding tool according to claim 1, characterized in that: the support frame includes the supporting mechanism that two intervals set up, and the locating rack is established between two supporting mechanism, supporting mechanism's top is equipped with the bearing frame, and the outside of two vertical roof beam groups is outwards stretched out respectively has the rotation axis, the rotation axis is established in the bearing frame.
10. The rotatable front door frame welding tool according to claim 9, characterized in that: platforms are respectively arranged on the other two sides of the positioning frame relative to the two support frames.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922067584.5U CN211028772U (en) | 2019-11-26 | 2019-11-26 | Rotatable front door frame welding tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922067584.5U CN211028772U (en) | 2019-11-26 | 2019-11-26 | Rotatable front door frame welding tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211028772U true CN211028772U (en) | 2020-07-17 |
Family
ID=71529236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922067584.5U Active CN211028772U (en) | 2019-11-26 | 2019-11-26 | Rotatable front door frame welding tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211028772U (en) |
-
2019
- 2019-11-26 CN CN201922067584.5U patent/CN211028772U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207311456U (en) | Built-in top plate assembly and rail vehicle | |
| CN201730910U (en) | Nested composite sectional connection structure | |
| CN211028772U (en) | Rotatable front door frame welding tool | |
| CN208325214U (en) | A kind of cab structure and rail vehicle | |
| CN202657037U (en) | Locomotive body sidewalls and locomotive with same | |
| CN207328452U (en) | A kind of compartment headwall skeleton, compartment headwall and compartment | |
| CN215747465U (en) | Vehicle frame welding and fixing device | |
| CN110667619A (en) | Articulated high-floor tramcar side wall structure | |
| CN211564777U (en) | Special tool for side wall of straddle type monorail car | |
| CN210908731U (en) | Simple tool positioning platform based on vehicle body welding | |
| CN209908534U (en) | Cloth trolley device is hung to flexible upset arm of tunnel waterproof board | |
| CN211028771U (en) | Rotatable outer cage door welding frock | |
| CN208811391U (en) | Trolley end carriage bent plate welds positioning tool | |
| CN218287879U (en) | Combined air bag support for heavy-duty car | |
| CN213831876U (en) | Carriage frame and carriage door corner structure | |
| CN213502004U (en) | Side plate and bottom plate connecting structure of light-weight carriage | |
| CN209817095U (en) | Fast-assembling quick detach formula steel construction | |
| CN212149013U (en) | Integrated mounting bracket | |
| CN102941883A (en) | Full-aluminum base plate for semi-trailer | |
| CN219358513U (en) | Bridge member roll-over stand | |
| CN212921269U (en) | Modularization bottom plate structure of semi-mounted carriage | |
| CN210707063U (en) | Bottom protection structure of lightweight carriage | |
| CN208750999U (en) | A kind of air-conditioning supporting frame with steel structure | |
| CN221288546U (en) | Support device for ultra-large glass gluing | |
| CN211592712U (en) | Be applied to b post subassembly structure of car |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |