CN210334890U - Welding fixture for guide rail of attached lifting scaffold - Google Patents
Welding fixture for guide rail of attached lifting scaffold Download PDFInfo
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- CN210334890U CN210334890U CN201920486288.6U CN201920486288U CN210334890U CN 210334890 U CN210334890 U CN 210334890U CN 201920486288 U CN201920486288 U CN 201920486288U CN 210334890 U CN210334890 U CN 210334890U
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Abstract
The utility model relates to an auxiliary assembly technical field of welding usefulness discloses a welding jig of inserted lift scaffold's guide rail, including motor, rectangular frame and supporting seat, rectangular frame's both ends are connected with the pivot respectively, and two pivots rotate respectively to be connected on two supporting seats, and on the motor joint support seat, the output shaft transmission of pivot and motor is connected, is equipped with the work piece position of placing the guide rail in the rectangular frame and is used for pressing from both sides the clamping piece of tight guide rail. The utility model discloses a motor drives rectangular frame and the guide rail of centre gripping on rectangular frame and overturns together, realizes automatic upset, avoids the potential safety hazard that exists in the artifical upset, can save a large amount of manpowers and time, and the upset is convenient, and easy operation, degree of automation is high, and is lower to operating personnel's technical proficiency requirement, can improve production efficiency, eliminates the destruction that artifical upset in-process produced the butt weld, improves welding quality, moreover can use with the cooperation of welding robot in automated production.
Description
Technical Field
The utility model relates to an auxiliary assembly technical field of welding usefulness, more specifically are to a welding jig of inserted lift scaffold's guide rail.
Background
The attached lifting scaffold is usually called a climbing frame in the industry, is an outer scaffold which is erected at a certain height, attached to an engineering structure and capable of climbing or descending layer by layer along with the engineering structure by means of self lifting equipment and devices. The guide rail is an indispensable structural part in the attached lifting scaffold.
The guide rail of current inserted lift scaffold frame generally includes two channel-section steels that set up back to back, and the welding has a plurality of circular pin and a plurality of backplate between two channel-section steels, and these circular pin and backplate are evenly arranged along the length direction of channel-section steel respectively, and the position welding that two channel-section steels are located one end or both ends has the end plate.
The welding process adopted in the prior art is that after two channel steels are arranged, welding accessories such as a circular stop lever, a back plate and an end plate are directly welded on the channel steels, so that upward welding seams and part of welding seams on the side face can only be welded. However, when a downward welding seam is welded, the two channel steels and the welding fittings on the channel steels need to be turned over by 180 degrees manually. Because the length and the weight of channel-section steel are great, in the upset in-process, produce the destruction to the butt weld easily, seriously influence welding quality, production efficiency is low, needs a large amount of manpowers during the upset, and artifical upset still takes place the accident easily, causes the incident. In addition, the welding process belongs to pure manual welding, the position precision of a weldment is low, and certain requirements are imposed on the technical proficiency of operators.
In order to ensure the size of a weldment, improve assembly accuracy and efficiency, prevent welding deformation and the like, a welding process adopts a welding fixture. But the welding jig of the guide rail to inserted lift scaffold in the mill at present all is unable pivoted, and the welding work of carrying on the multi-angle that can't be nimble hardly satisfies welding operation's requirement, sometimes can increase the welding degree of difficulty even. For example, the channel steel, the circular stop lever, the back plate and the end plate are welded on the welding fixture, the welding fixture and the weldment are required to be integrally turned over by manpower after the welding fixture and the weldment are welded, the turning process is slower and more tedious, the welding seam is easy to damage, the production efficiency is lower, fatigue is easy to generate in long-time operation, and the production efficiency is influenced.
In addition, in order to improve the production efficiency, especially for the double-sided welding of the guide rail with large length and weight, a method of increasing the number of hands is generally adopted to weld one workpiece by a plurality of persons, but the various defects in the production still exist.
Disclosure of Invention
The utility model provides a overcome not enough among the above-mentioned prior art, provide a welding jig of inserted lift scaffold's guide rail.
The utility model discloses a following technical scheme realizes above-mentioned purpose.
The utility model provides a welding jig of inserted lift scaffold's guide rail, includes the motor, rectangular frame and supporting seat, rectangular frame's both ends are connected with the pivot respectively, and the axle center of two coaxial and pivots is parallel with rectangular frame's length direction, and two pivots rotate respectively and connect on two supporting seats, and the motor is connected on one of them supporting seat, and the output shaft transmission of one of them pivot and motor is connected, is equipped with the work piece position of placing the guide rail in the rectangular frame and is used for pressing from both sides the clamping piece of tight guide rail.
As a further improved structure form, the rectangular frame comprises two side beams and two end beams, two inner beams parallel to the side beams are arranged in the rectangular frame, two ends of the two inner beams are respectively and fixedly connected to the two end beams, the two inner beams are arranged along the length direction of the end beams, a plurality of connecting plates are fixedly connected between the two inner beams, a plurality of supporting plates used for placing guide rails are uniformly arranged between the two inner beams, a strip-shaped accessory placing block is arranged between the two inner beams, the length direction of the accessory placing block is parallel to the length direction of the inner beams, a supporting block used for placing a back plate in the guide rails is connected to the accessory placing block, a circular stop rod used for placing the guide rails and a positioning groove used for placing the end plates are arranged on the accessory placing block, the workpiece positions are formed between the two inner beams and the supporting plates, and the clamping pieces are respectively fixed.
As a further improved structure form, a transverse reference positioning block for transversely positioning the guide rail is fixed on one inner beam, a transverse pressing air cylinder assembly for transversely pushing the guide rail is fixed on the outer side of the other inner beam or the side beam on the outer side of the other inner beam, the transverse pressing air cylinder assembly comprises a first air cylinder and a push plate, a piston rod of the first air cylinder penetrates through the other inner beam, the push plate is fixed at the end of the piston rod of the first air cylinder, and when the piston rod of the first air cylinder extends out, the push plate is driven to push the guide rail to be attached to the transverse reference positioning block.
As a further improved structure, an end face reference positioning block for longitudinally positioning the guide rail is fixed between the two inner beams at a position close to one end beam, a longitudinal pressing cylinder assembly for longitudinally pushing the guide rail is fixed between the two inner beams at a position close to the other end beam, the longitudinal pressing cylinder assembly comprises a second cylinder and a pushing block, the pushing block is fixed at the end of a piston rod of the second cylinder, and the piston rod of the second cylinder drives the pushing block to push the guide rail to be attached to the end face reference positioning block when extending out.
As a further improved structure form, the clamping member comprises a rotary cylinder and a bolt locked on a piston rod of the rotary cylinder, the rotary cylinder is respectively fixed on the two inner beams, and after the piston rod of the rotary cylinder rotates and retracts, the bolt on the piston rod of the rotary cylinder and the supporting plate clamp the guide rail.
As a further improved structure, the above-mentioned rotating shaft is fixed on the adapter plate with a rectangular plate surface, the axis of the rotating shaft is perpendicular to the plate surface of the adapter plate, and the rotating shaft is located at the center of the adapter plate, one of the adapter plate is provided with at least two positioning sleeves, the axes of the positioning sleeves are parallel to the axis of the rotating shaft, the positioning sleeves are arranged around the axes of the rotating shaft at equal angles, the welding fixture further comprises a positioning cylinder assembly, the positioning cylinder assembly comprises a third cylinder and a positioning rod, the positioning rod is coaxially fixed at the end of a piston rod of the third cylinder, the piston rod of the third cylinder can drive the positioning rod to be inserted into the positioning sleeve when extending out, and the piston rod of the third cylinder can drive the positioning rod to withdraw.
As a further improved structure form, a plurality of reinforcing rib plates are connected between the adjacent side beams and the inner beam.
As a further improved structural form, the side beam is made of I-shaped steel.
As a further improved structure form, the inner beams are channel steel, and the two inner beams are arranged back to back.
Compared with the prior art, the utility model following beneficial effect mainly has: drive rectangular frame and the guide rail of centre gripping on rectangular frame through the motor and overturn together, realize automatic upset, do not need artifical upset, the potential safety hazard of existence in avoiding artifical upset, can save a large amount of manpowers and time, the upset is convenient, the operation is simple, the automation degree is high, it is lower to operating personnel's technical proficiency requirement, can improve production efficiency, eliminate the destruction of artifical upset in-process butt weld production, improve welding quality, and can use with the cooperation of welding robot in automated production.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention.
Fig. 2 is a partial enlarged view of fig. 1 at H.
Fig. 3 is a partial enlarged view of fig. 1 at K.
Fig. 4 is a schematic perspective view of a rectangular frame and a weldment thereon according to an embodiment of the present invention.
Fig. 5 is a partial enlarged view of fig. 4 at M.
Fig. 6 is a partial enlarged view of fig. 4 at N.
Fig. 7 is a schematic top view of the embodiment of the present invention in a state of clamping the guide rail.
Fig. 8 is a partial enlarged view at P in fig. 7.
Fig. 9 is a partial enlarged view at Q in fig. 7.
Fig. 10 is a schematic cross-sectional view at AA in fig. 7.
Fig. 11 is a schematic perspective view of the adapter plate, the rotating shaft, and the positioning sleeve in the exploded state according to the embodiment of the present invention.
Fig. 12 is a schematic perspective view of a positioning cylinder assembly according to an embodiment of the present invention.
Fig. 13 is a front view structural diagram of the accessory shelf block in a broken state according to the embodiment of the present invention.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings. The drawings are for illustrative purposes only and are not to be construed as limiting the patent.
In order to explain the embodiment more simply, some parts which are known to those skilled in the art in the drawings or description but are not relevant to the main content of the present invention will be omitted. In addition, some components in the drawings may be omitted, enlarged or reduced for convenience of description, but do not represent the size or the entire structure of an actual product.
Example (b):
as shown in fig. 1, 2, 3, 7, 8, 9 and 10, a welding jig for a guide rail of an attached lifting scaffold includes a reduction motor 1, a rectangular frame 5 and two support bases 3. The guide rail that this embodiment is directed to includes the channel-section steel rail body that two back-to-back set up, has evenly arranged a plurality of circular pin and a plurality of backplate along the length direction of the channel-section steel rail body between two channel-section steel rail bodies, and the end plate has been arranged respectively to the position that two channel-section steel rail body lie in both ends. Circular pin, backplate, end plate all constitute the guide rail weldment with the welding of channel-section steel rail body together, and the welding jig of this embodiment is used for assisting accomplishing these weldment work promptly.
As shown in fig. 2, 4, 5, 6, 8 and 11, the rectangular frame 5 includes two side beams 511 and two end beams 512, wherein the side beams 511 are i-beams, weight-reducing holes are uniformly arranged on the side beams 511, the end beams 512 are rectangular steel plates, and the plate surfaces of the two end beams 512 are parallel to each other. The two side beams 511 and the two end beams 512 are joined together using a welding process. The outer sides of the two end beams 512 are fixedly connected with rectangular adapter plates 561 through screws respectively, the two adapter plates 561 are fixedly welded with rotating shafts 562 respectively, the two rotating shafts 562 are coaxial, and the axes of the rotating shafts 562 are parallel to the length direction of the rectangular frame 5. The two supporting seats 3 are respectively connected with a bearing seat 4, and the two rotating shafts 562 are respectively rotatably connected with the two bearing seats 4. The speed reducing motor 1 is fixedly connected to one of the support seats 3, and the rotating shaft 562 closest to the speed reducing motor 1 is in transmission connection with the output shaft of the speed reducing motor 1 through the flange coupler 2.
The axis of the rotating shaft 562 is perpendicular to the plate surface of the adapter plate 561, the rotating shaft 562 is located at the center of the adapter plate 561, two positioning sleeves 563 penetrate through the adapter plate 561 which is closest to the speed reduction motor 1, the axes of the two positioning sleeves 563 are parallel to the axis of the rotating shaft 562, and the two positioning sleeves 563 are arranged around the axis of the rotating shaft 562 at equal angles.
As shown in fig. 2, 8 and 12, a positioning cylinder assembly 6 is also fixedly connected to the support base 3 to which the reduction motor 1 is fixed. The positioning cylinder assembly 6 comprises a U-shaped cylinder block 61, a third cylinder 62, a positioning rod 63 and a sliding sleeve 64. The third cylinder 62 is fixedly connected to a wing plate of the U-shaped cylinder block 61 through a screw, the positioning rod 63 is coaxially fixed to an end portion of a piston rod of the third cylinder 62, the sliding sleeve 64 penetrates through the other wing plate of the U-shaped cylinder block 61 and is clamped by the elastic collar for a shaft, and the positioning rod 63 penetrates through the sliding sleeve 64 and is in sliding fit with the sliding sleeve 64. When the piston rod of the third cylinder 62 extends out, the positioning rod 63 can be driven to be inserted into the positioning sleeve 563 on the adapter plate 561, and when the piston rod of the third cylinder 62 retracts, the positioning rod 63 can be driven to exit from the positioning sleeve 563.
As shown in fig. 2, 3, 4, 5, 6, 7, 8, 9, 10, and 13, two inner beams 513 parallel to side members 511 are provided in rectangular frame 5, and channel steel is used for inner beams 513. Two ends of the two inner beams 513 are welded to the two end beams 512 respectively, the two inner beams 513 are arranged along the length direction of the end beams 512, and the two inner beams 513 are arranged back to back. A plurality of connecting plates 514 are welded between the two inner beams 513, and the connecting plates 514 are uniformly arranged along the length direction of the inner beams 513. A plurality of L-shaped connecting seats 515 are respectively welded on the inner sides of the two side beams 511, the L-shaped connecting seats 515 are uniformly arranged along the length direction of the side beams 511, rectangular reinforcing rib plates 516 are welded on the L-shaped connecting seats 515, the reinforcing rib plates 516 are welded with the inner beams 513, and namely the adjacent side beams 511 and the inner beams 513 are connected through the L-shaped connecting seats 515 and the reinforcing rib plates 516. A plurality of supporting plates 521 used for placing channel steel rail bodies in the guide rail are further welded on the L-shaped connecting seat 515, the supporting plates 521 are arranged between the two inner beams 513, the supporting plates 521 are evenly arranged along the length direction of the inner beams 513, and the plate surfaces of the same sides of the supporting plates 521 are located on the same plane so that the channel steel rail bodies placed on the supporting plates 521 are more stable. Have arranged the banding accessory that the square steel made between two inner beam 513 and shelve piece 522, the accessory is shelved piece 522 and can be welded on connecting plate 514, and the accessory is shelved the length direction of piece 522 and is parallel with inner beam 513 length direction, and two channel-section steel rail bodies are placed back to back on layer board 521, and the accessory is shelved the piece 522 and is then located between two channel-section steel rail bodies. The fitting placing block 522 is welded with a supporting block 523 for placing the back plate in the guide rail. The accessory rest block 522 is provided with a semi-circular locating slot 5221 for placement of a circular stop bar in the rail and a V-shaped locating slot 5222 for placement of an end plate in the rail.
A transverse reference positioning block 531 for transversely positioning the guide rail is welded on one inner beam 513, a first cylinder connection seat plate 532 is welded on the side beam 511 outside the other inner beam 513, a first cylinder 533 for transversely pushing a channel steel rail body in the guide rail is connected to the first cylinder connection seat plate 532, a piston rod of the first cylinder 533 penetrates through the other inner beam 513, a push plate 534 is fixed at the end of the piston rod of the first cylinder 533, when the piston rod of the first cylinder 533 extends out, the push plate 534 is driven to push the channel steel rail body in the guide rail and drive the other channel steel rail body to be attached to the transverse reference positioning block 531 through a circular stop lever and a back plate, so that the channel steel rail body in the guide rail can be transversely positioned and transversely clamped.
An end face reference positioning block 541 used for longitudinally positioning the guide rail is fixed at a position, close to one end beam 512, between the two inner beams 513, a second cylinder connecting seat plate 542 is welded at a position, close to the other end beam 512, between the two inner beams 513, a second cylinder 543 used for longitudinally pushing a channel steel rail body in the guide rail is connected onto the second cylinder connecting seat plate 542, a push block 544 is fixed at the end of a piston rod of the second cylinder 543, and when the piston rod of the second cylinder 543 stretches out, the push block 544 is driven to push the channel steel rail body in the guide rail to be attached to the end face reference positioning block 541, so that the channel steel rail body in the guide rail can be longitudinally positioned and also can be longitudinally clamped.
A rotary cylinder connecting base plate 551 is welded on each of the two inner beams 513, a rotary cylinder 552 is connected to the rotary cylinder connecting base plate 551, and a bolt 553 is locked on a piston rod of the rotary cylinder 552. After the piston rod of the rotary cylinder 552 is rotated and retracted, the channel steel rail body in the guide rail is clamped between the supporting plate 521 and the bolt 553. After the piston rod of the rotary cylinder 552 extends out, the bolt 553 on the rotary cylinder 552 loosens the channel steel rail body in the guide rail.
A workpiece position for placing a guide rail is formed between the two inner beams 513 and the supporting plate 521, the channel steel rail body is placed on the supporting plate 521, the circular stop lever is placed in the semicircular positioning groove 5221, the end plate is placed in the V-shaped positioning groove 5222, and the supporting plate is placed on the supporting block 523. Each accessory in the guide rail is convenient to place, and after the accessories are placed, the circular stop lever, the end plate and the back plate are positioned. The channel steel rail body is positioned and clamped through the first cylinder 533, the second cylinder 543 and the rotary cylinder 552.
In the use process of the welding fixture of the embodiment, in an initial state, the semicircular positioning groove 5221 and the V-shaped positioning groove 5222 of the fitting placing block 522 are upward at the position of the rectangular frame 5, the surface of the supporting plate 521, which is used for placing the channel steel rail body, is also upward, the third cylinder 62 is started, the piston rod of the third cylinder 62 extends out and drives the positioning rod 63 to be inserted into the positioning sleeve 563 on the adapter plate 561, and thus, the angular position of the rectangular frame 5 can be fixed. The two channel rails are then placed back-to-back on the pallet 521, the back plate rests on the support blocks 523, the circular stop bars are placed in the semicircular detents 5221 of the accessory rest block 522, and the end plates are placed in the V-shaped detents 5222 of the accessory rest block 522. After the channel steel rail is placed, the first air cylinder 533, the second air cylinder 543 and the rotary air cylinder 552 are sequentially started, and the channel steel rail body is positioned and clamped tightly. After the welding seams are welded, the third cylinder 62 is started again, a piston rod of the third cylinder 62 retracts and drives the positioning rod 63 to withdraw from the positioning sleeve 563, then the gear motor 1 is started to drive the rectangular frame 5, the welding pieces on the rectangular frame 5 and the guide rail to rotate 180 degrees around the axis of the rotating shaft 562, and as partial welding is completed among the fittings in the guide rail, the circular stop lever, the end plate and the back plate cannot be separated from the channel steel rail body in the rotating process, and the channel steel rail body is three-dimensionally clamped by the rotary cylinder 552 and the supporting plate 521, the first cylinder 533 and the transverse reference positioning block 531, the second cylinder 543 and the end surface reference positioning block 541, so that the channel steel rail body is firmly locked in the rectangular frame 5. After the welding fixture rotates 180 degrees, the third cylinder 62 is started, a piston rod of the third cylinder 62 extends out and drives the positioning rod 63 to be inserted into the other positioning sleeve 563 on the adapter plate 561, so that the angle position of the rectangular frame 5 can be fixed, and the welding seams originally located below are exposed on the upper surface, so that the welding seams can be welded. After the welding is finished, the speed reduction motor 1 drives the rectangular frame 5 and the weldment and the guide rail thereon to rotate 180 degrees, so that the first cylinder 533, the second cylinder 543 and the rotary cylinder 552 are loosened to take down the guide rail for finishing the welding.
This embodiment passes through gear motor 1 and drives rectangular frame 5 and the guide rail of centre gripping on rectangular frame 5 and overturn together, realize automatic upset, do not need artifical upset, avoid the potential safety hazard that exists in the artifical upset, can save a large amount of manpowers and time, the upset is convenient, and the operation is simple, and the automation degree is high, it is lower to operating personnel's technical skill requirement, can improve production efficiency, eliminate the destruction that artifical upset in-process produced the butt weld, improve welding quality, and can use with the cooperation of welding robot in automated production.
The welding fixture of the embodiment can better ensure the size of a weldment, improve the assembly precision and efficiency, prevent welding deformation and eliminate the problems of deformation and the like caused by manual turnover.
The above is only a specific embodiment of the present invention, but the design concept of the present invention is not limited thereto, and the design concept of the present invention is very suitable for the insubstantial modification made by the present invention, which all falls into the protection scope of the present invention.
Claims (9)
1. The utility model provides a welding jig of inserted lift scaffold's guide rail, a serial communication port, including motor, rectangular frame and supporting seat, rectangular frame's both ends are connected with the pivot respectively, two coaxial and the axle center of pivot and rectangular frame's length direction are parallel, two pivots rotate respectively and connect on two supporting seats, the motor is connected on one of them supporting seat, the output shaft transmission of one of them pivot and motor is connected, be equipped with the work position of placing the guide rail in the rectangular frame and be used for pressing from both sides the clamping piece of tight guide rail.
2. The welding fixture for the guide rail of the attached lifting scaffold as claimed in claim 1, wherein the rectangular frame comprises two side beams and two end beams, two inner beams parallel to the side beams are disposed in the rectangular frame, two ends of the two inner beams are respectively and fixedly connected to the two end beams and the two inner beams are arranged along the length direction of the end beams, a plurality of connecting plates are fixedly connected between the two inner beams, a plurality of support plates for placing the guide rail are uniformly disposed between the two inner beams, a strip-shaped fitting placement block is disposed between the two inner beams, the length direction of the fitting placement block is parallel to the length direction of the inner beams, the fitting placement block is connected with a support block for placing a back plate in the guide rail, the fitting placement block is provided with positioning grooves for placing a circular stop rod and an end plate in the guide rail, and the workpiece position is formed between the two inner beams and the support plates, the clamping pieces are respectively fixed on the two inner beams.
3. The welding jig of attached lifting scaffold's guide rail of claim 2, characterized in that, be fixed with the horizontal benchmark locating piece that is used for horizontal positioning guide rail on one of them inner beam, be fixed with the horizontal compaction cylinder subassembly that is used for horizontal top push guide rail on another inner beam outside or the curb girder of another inner beam outside, horizontal compaction cylinder subassembly includes first cylinder and push pedal, the piston rod of first cylinder passes another inner beam in the said, the end of push pedal fixed at the piston rod of first cylinder, the piston rod of first cylinder drives the push pedal and pushes away the guide rail and paste to horizontal benchmark locating piece when stretching out.
4. The welding fixture for the guide rail of the attached lifting scaffold as recited in claim 2, wherein an end surface reference positioning block for longitudinally positioning the guide rail is fixed between the two inner beams at a position close to one end beam, a longitudinal pressing cylinder assembly for longitudinally pushing the guide rail is fixed between the two inner beams at a position close to the other end beam, the longitudinal pressing cylinder assembly comprises a second cylinder and a pushing block, the pushing block is fixed at an end of a piston rod of the second cylinder, and the piston rod of the second cylinder drives the pushing block to push the guide rail to abut against the end surface reference positioning block when extending.
5. The welding jig for the guide rail of the attached lifting scaffold according to claim 2, wherein the clamping member comprises a rotary cylinder and a bolt locked on a piston rod of the rotary cylinder, the rotary cylinder is respectively fixed on the two inner beams, and after the piston rod of the rotary cylinder is rotated and retracted, the bolt on the piston rod of the rotary cylinder and the support plate clamp the guide rail.
6. The welding jig of the guide rail of the attached lifting scaffold as claimed in claim 2, wherein the rotating shaft is fixed on the adapter plate with a rectangular plate surface, the axis of the rotating shaft is perpendicular to the plate surface of the adapter plate, and the rotating shaft is located at the center of the adapter plate, wherein at least two positioning sleeves are arranged on one adapter plate, the axes of the positioning sleeves are parallel to the axis of the rotating shaft, the positioning sleeves are arranged around the axis of the rotating shaft at equal angles, the welding jig further comprises a positioning cylinder assembly, the positioning cylinder assembly comprises a third cylinder and a positioning rod, the positioning rod is coaxially fixed at the end of a piston rod of the third cylinder, when the piston rod of the third cylinder extends out, the positioning rod can be driven to be inserted into the positioning sleeve, and when the piston rod of the third cylinder retracts, the positioning rod can be driven.
7. The welding jig for the guide rail of the attached lifting scaffold according to claim 2, wherein a plurality of reinforcing ribs are connected between the adjacent side beams and the inner beam.
8. The welding jig for a guide rail of an attached lifting scaffold according to claim 2, wherein the side members are i-beams.
9. The welding jig of the guide rail of the attached lifting scaffold according to claim 2, wherein the inner beams are channel beams, and the two inner beams are arranged back to back.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920486288.6U CN210334890U (en) | 2019-04-11 | 2019-04-11 | Welding fixture for guide rail of attached lifting scaffold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920486288.6U CN210334890U (en) | 2019-04-11 | 2019-04-11 | Welding fixture for guide rail of attached lifting scaffold |
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| Publication Number | Publication Date |
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| CN210334890U true CN210334890U (en) | 2020-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920486288.6U Expired - Fee Related CN210334890U (en) | 2019-04-11 | 2019-04-11 | Welding fixture for guide rail of attached lifting scaffold |
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| CN (1) | CN210334890U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110039236A (en) * | 2019-04-11 | 2019-07-23 | 广东奇正科技有限公司 | A kind of welding fixture of the guide rail of attachment type raise scaffold |
| CN111673146A (en) * | 2020-06-03 | 2020-09-18 | 临安市顺钢机械有限公司 | Drilling equipment for profile steel for forklift gantry and production process of drilling equipment |
-
2019
- 2019-04-11 CN CN201920486288.6U patent/CN210334890U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110039236A (en) * | 2019-04-11 | 2019-07-23 | 广东奇正科技有限公司 | A kind of welding fixture of the guide rail of attachment type raise scaffold |
| CN111673146A (en) * | 2020-06-03 | 2020-09-18 | 临安市顺钢机械有限公司 | Drilling equipment for profile steel for forklift gantry and production process of drilling equipment |
| CN111673146B (en) * | 2020-06-03 | 2022-01-18 | 杭州冠钢机械有限公司 | Drilling equipment for profile steel for forklift gantry and production process of drilling equipment |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20200417 Termination date: 20210411 |