CN210499021U

CN210499021U - Large-scale jib loading boom welding frock

Info

Publication number: CN210499021U
Application number: CN201921405964.9U
Authority: CN
Inventors: 陈建平; 魏戬; 杨永刚; 张亚萍; 宋小玲
Original assignee: Jiangsu Climbing Energy Technology Co ltd
Current assignee: Jiangsu Climbing Energy Technology Co ltd
Priority date: 2019-08-27
Filing date: 2019-08-27
Publication date: 2020-05-12
Anticipated expiration: 2029-08-27

Abstract

The utility model relates to a large-scale jib loading boom welding frock, it includes welded platform, welded platform's one end is provided with first operation platform, and the other end is provided with second operation platform, and the jib loading boom is placed between first operation platform and second platform, the last supporting component who is used for supporting the jib loading boom that is provided with of welded platform, supporting component include the connecting plate be connected with welded platform, with connecting plate upper end fixed connection's hydro-cylinder, with hydro-cylinder tailpiece of the piston rod portion fixed connection's support frame. The utility model discloses in the welding jib loading boom, the starting cylinder, the hydro-cylinder can support the support frame and play certain supporting role to the jib loading boom, and when the direction of jib loading boom need be rotated, time hydro-cylinder piston rod withdraws, and the starter motor makes the motor drive carousel and jib loading boom rotate, rotates starting cylinder after the good direction, makes the hydro-cylinder can reduce the support burden of motor at the welded in-process, plays better supporting role to the jib loading boom.

Description

Large-scale jib loading boom welding frock

Technical Field

The utility model relates to a technical field of heavy duty crane production facility, in particular to large-scale jib loading boom welding frock.

Background

Tower cranes, also known as tower cranes, originate in western europe. The crane boom is arranged at the upper part of the high-rise tower body, has large operation space, and is mainly used for vertical and horizontal conveying of materials and installation of building components in building construction. The tower crane consists of three parts, namely a metal structure, a working mechanism and an electrical system. The metal structure comprises a tower body, a crane boom, a base and the like. The working mechanism has four parts of lifting, amplitude variation, rotation and walking. The electric system comprises a motor, a controller, a power distribution cabinet, a connecting circuit, a signal and lighting device and the like.

The crane boom is generally formed by connecting a plurality of boom sections through pin shafts, as shown in fig. 1, each boom section includes: an upper chord 1, two lower chords 2, many spinal bracings 3, three U-shaped joint 4 and three one connect 5, however the U-shaped joint 4 of first arm festival is bigger than the U-shaped joint 4 of other arm festival, because the U-shaped joint 4 of first arm festival is used for being connected with the swivel mount, the U-shaped joint 4 on the other arm festival only plays the effect of connecting mutual arm festival. The traditional welding modes of the crane boom are two types: one is an integral welding mode: the welding tool and the boom sections of the boom are in one-to-one correspondence, the length of the welding tool is equal to that of the whole boom, the welding tool consumes more materials, occupies a larger area during welding, and has larger hoisting and transportation difficulty; the other is a combined welding mode: and (3) welding the arm sections with the same basic size on the same welding tool in a splicing way, and hoisting for many times by using a hoisting machine after spot welding is finished, so that welding is finally finished. The welding mode is time-consuming and labor-consuming, welding deformation is easy, and welding quality is difficult to guarantee.

In the prior art, chinese patent No. CN203471239U discloses an auxiliary welding device for a crane boom of a tower crane, which comprises an active frame, a passive frame, a platform and an auxiliary welding fixture for the crane boom. The driving frame and the driven frame are respectively arranged at two ends of the platform, a clamping device is arranged between the driving frame and the driven frame which are oppositely arranged at two ends of the platform to support the crane boom, and a motor arranged on the driving frame drives the turntable on the driving frame to rotate so as to drive the crane boom and the driven frame turntable to rotate together.

In the welding process, the whole crane boom is supported only by the motor and the turntable, but the weight of the whole crane boom is large, and the motor and the turntable bear large pressure during supporting, so that the motor is damaged to a certain extent, and the service life of the motor is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a large-scale jib loading boom welding frock, it has the advantage that reduces the motor and support the burden, can play better supporting role to the jib loading boom.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the large-scale crane boom welding tool comprises a welding platform, wherein a first operating platform is arranged at one end of the welding platform, a second operating platform is arranged at the other end of the welding platform, a crane boom is placed between the first operating platform and the second platform, a supporting assembly used for supporting the crane boom is arranged on the welding platform, and the supporting assembly comprises a connecting plate connected with the welding platform, an oil cylinder fixedly connected with the upper end of the connecting plate, and a supporting frame fixedly connected with the end part of a piston rod of the oil cylinder.

By adopting the technical scheme, when the crane boom is welded, the oil cylinder is started, the oil cylinder can support the support frame to play a certain supporting role on the crane boom, when the crane boom needs to be rotated, the piston rod of the oil cylinder is retracted, the motor is started again, the motor drives the turntable and the crane boom to rotate, and the oil cylinder is started after the direction is rotated, so that the oil cylinder can reduce the supporting burden of the motor in the welding process, and the crane boom can be well supported.

The utility model discloses further set up to: the welding platform is fixedly connected with two groups of parallel racks, the lower end of the connecting plate is fixedly connected with the racks, one side of the sliding frame is fixedly connected with a first motor, the output end of the first motor is fixedly connected with a first gear, and the first gear is meshed with the racks.

Through adopting above-mentioned technical scheme, start first motor, first motor can drive first gear revolve, and when first gear revolve, first gear meshes with the rack mutually to the frame that slides can slide in the rack upper end, can adjust supporting component's position, makes supporting component can support according to the size of jib loading boom.

The utility model discloses further set up to: the welding platform is fixedly connected with two sets of guide rails which are arranged in parallel, the side wall of the sliding frame is rotatably connected with idler wheels, and the idler wheels are matched with the guide rails in a rolling and clamping mode.

Through adopting above-mentioned technical scheme, the gyro wheel of sliding frame lateral wall can slide in the guide rail when the sliding frame is gliding, and what make the sliding frame can be more steady when sliding on the guide rail.

The utility model discloses further set up to: the utility model discloses a sliding support, including support frame, supporting frame, sliding rod, fixed plate upper end fixedly connected with backup pad, the equal sliding connection in both ends of backup pad has the fixed plate, the groove of sliding has all been seted up at the both ends of backup pad, the fixed plate is towards one side fixedly connected with sliding rod of backup pad, the spacing separation blade of one end fixedly connected with of sliding rod grafting in the groove of sliding, the spring has been cup jointed on the sliding rod, the one end of spring and the inner.

Through adopting above-mentioned technical scheme, the backup pad of support frame upper end and the fixed plate of backup pad both sides can play the effect of centre gripping to the jib loading boom, and under the effect of spring, the fixed plate can be with the jib loading boom centre gripping, more steady when making the jib loading boom place on the support frame.

The utility model discloses further set up to: the fixed plate is arranged to be inclined from bottom to top far away from the supporting plate.

Through adopting above-mentioned technical scheme, the setting of slope form can make backup pad and fixed plate when supporting the jib loading boom easier with jib loading boom looks joint, support jib loading boom that can be smooth.

The utility model discloses further set up to: and balls are embedded on the opposite sides of the two fixing plates.

Through adopting above-mentioned technical scheme, the setting up of ball can make the sliding friction between fixed plate and the jib loading boom become rolling friction, and the fixed plate can be smooth when playing the supporting role with jib loading boom looks joint.

The utility model discloses further set up to: the upper end of the supporting plate is fixedly connected with a magnetic block.

Through adopting above-mentioned technical scheme, the setting of magnetic path can play certain attraction to the jib loading boom to more steady when the jib loading boom is placed in the backup pad.

The utility model discloses further set up to: the second operation platform is connected with the welding platform in a sliding mode, a second motor is fixedly connected to one side of the second operation platform, a second gear is fixedly connected to the output end of the second motor, and the second gear is meshed with the rack.

Through adopting above-mentioned technical scheme, start the second motor, the second motor drives second gear revolve, can mesh with the rack in second gear revolve to second operation platform can slide on welded platform, can adjust second operation platform's position according to not unidimensional jib loading boom.

To sum up, the utility model discloses a beneficial technological effect does:

1. when the crane boom is welded, the oil cylinder is started, the oil cylinder can support the support frame to play a certain supporting role on the crane boom, when the direction of the crane boom needs to be rotated, the piston rod of the oil cylinder is retracted, the motor is started again, the motor drives the turntable and the crane boom to rotate, and the oil cylinder is started after the direction is rotated, so that the supporting burden of the motor can be reduced in the welding process of the oil cylinder, and the crane boom is well supported;

2. when the sliding frame slides, the rollers on the side wall of the sliding frame can slide in the guide rail, so that the sliding frame can slide on the guide rail more stably;

3. the supporting plate at the upper end of the supporting frame and the fixing plates at the two sides of the supporting plate can clamp the crane boom, and the crane boom can be clamped by the fixing plates under the action of the springs, so that the crane boom is more stable when being placed on the supporting frame;

4. the second motor is started, the second motor drives the second gear to rotate, and the second gear can be meshed with the rack when rotating, so that the second operating platform can slide on the welding platform, and the position of the second operating platform can be adjusted according to lifting arms of different sizes.

Drawings

FIG. 1 is a schematic view of a structure for embodying the background art;

FIG. 2 is a schematic diagram showing a specific structure of a welding tool;

FIG. 3 is a schematic diagram showing a specific structure for embodying the support assembly;

FIG. 4 is a schematic cross-sectional view of a structure for embodying the support assembly;

fig. 5 is an enlarged schematic view of a structure at a in fig. 4.

In the figure, 1, an upper chord; 2. a lower chord; 3. a support bar; 4. a U-shaped joint; 5. a one-shaped joint; 6. welding a platform; 7. a first operating platform; 8. a second operating platform; 9. a support assembly; 91. a connecting plate; 92. an oil cylinder; 93. a support frame; 10. a rack; 11. a sliding frame; 12. a first motor; 13. a first gear; 14. a guide rail; 15. a roller; 16. a support plate; 161. a magnetic block; 17. a fixing plate; 171. a ball bearing; 18. a sliding groove; 19. a slide bar; 20. a limiting baffle plate; 21. a spring; 22. a second motor; 23. a second gear; 24. a drive motor; 25. a first turntable; 26. a second turntable; 27. and (6) fixing the assembly.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b): the utility model provides a large-scale jib loading boom welding frock, as shown in fig. 2, including welded platform 6, welded platform 6's one end is provided with first operation platform 7, the other end slides and is connected with second operation platform 8, fixedly connected with driving motor 24 on the second operation platform 8, driving motor 24's output linkage has first carousel 25, it is connected with second carousel 26 to rotate on the first operation platform 7, all be provided with fixed subassembly 27 on first carousel 25 and the second carousel 26, fixed subassembly 27 can play the fixed effect of centre gripping to the jib loading boom, when needing to change the jib loading boom angle, start driving motor 24, make driving motor 24 drive first carousel 25 and rotate, first carousel 25 drives the jib loading boom and rotates.

As shown in fig. 2, two sets of parallel racks 10 are fixedly connected to the welding platform 6, the second operation platform 8 is connected to the welding platform 6 in a sliding manner, a second motor 22 is fixedly connected to one side of the second operation platform 8, a second gear 23 is fixedly connected to an output end of the second motor 22, and the second gear 23 is engaged with the racks 10.

As shown in fig. 2, the second motor 22 is started, the second motor 22 drives the second gear 23 to rotate, the second gear 23 is meshed with the rack 10, so that the second operating platform 8 can be driven to slide on the welding platform 6, and the distance between the first operating platform 7 and the second operating platform 8 can be adjusted according to the specification and the size of the crane boom.

As shown in fig. 3, a support assembly 9 for supporting the boom is disposed on the welding platform 6, the support assembly 9 includes a connecting plate 91 slidably connected to the welding platform 6, an oil cylinder 92 fixedly connected to an upper end of the connecting plate 91, and a support frame 93 fixedly connected to an end of a piston rod of the oil cylinder 92, when the boom needs to be supported, the oil cylinder 92 is started, and the oil cylinder 92 can support the support frame 93, so that the support frame 93 can support the boom.

As shown in fig. 3, a supporting plate 16 is fixedly connected to the upper end of the supporting frame 93, and fixing plates 17 are slidably connected to both ends of the supporting plate 16.

As shown in fig. 4 and 5, the sliding grooves 18 are formed at both ends of the supporting plate 16, the fixing plate 17 is fixedly connected with a sliding rod 19 towards one side of the supporting plate 16, the sliding rod 19 is inserted into a limiting baffle 20 fixedly connected with one end of the sliding groove 18, the sliding rod 19 is sleeved with a spring 21, one end of the spring 21 is abutted against the inner wall of the sliding groove 18, the other end of the spring is abutted against the limiting baffle 20, and the fixing plate 17 is inclined from bottom to top to form an arc surface far away from the supporting plate 16.

As shown in fig. 4 and 5, when the support frame 93 is engaged with the boom, the boom pushes against the fixing plates 17 on both sides of the support plate 16, so that the fixing plates 17 slide to both sides, and when the lower end of the boom is pushed against the support plate 16, the fixing plates 17 will push against the boom under the action of the springs 21, so that the boom is more stable during welding.

As shown in fig. 4 and 5, the balls 171 are embedded in the opposite sides of the two fixing plates 17, when the boom contacts the fixing plates 17, the balls 171 can reduce the friction force between the boom and the fixing plates 17, so that the fixing plates 17 can be smoothly connected with the boom, the magnetic block 161 is fixedly connected to the upper end of the support plate 16, the magnetic block 161 can make the support plate 16 more tightly connected with the boom, and the boom can be more stably placed on the upper end of the support plate 16.

As shown in fig. 3, a sliding frame 11 is fixedly connected to the lower end of the connecting plate 91, a first motor 12 is fixedly connected to one side of the sliding frame 11, a first gear 13 is fixedly connected to an output end of the first motor 12, the first gear 13 is engaged with the rack 10, when the supporting component 9 needs to be moved, the first motor 12 is started, the first motor 12 drives the first gear 13 to rotate, the first gear 13 is engaged with the rack 10 when rotating, so that the supporting component 9 can slide on the welding platform 6, and the position of the supporting component 9 can be adjusted according to the position of the boom.

As shown in fig. 4, two sets of parallel guide rails 14 are fixedly connected to the welding platform 6, the side wall of the sliding frame 11 is rotatably connected with a roller 15, the roller 15 is in rolling clamping fit with the guide rails 14, and when the sliding frame 11 moves, the roller 15 can be matched with the guide rails 14, so that the supporting component 9 can be more stable when sliding.

The specific implementation mode is as follows: the crane boom is placed between the first operating platform 7 and the second operating platform 8, the crane boom is fixed by the fixing component 27, in the welding process, the first motor 12 is started, the first motor 12 drives the supporting component 9 to move on the welding platform 6, after the position of the supporting component 9 is adjusted, the oil cylinder 92 is started, the oil cylinder 92 supports the supporting frame 93 to support the crane boom in a butt joint mode, meanwhile, the fixing plate 17 can play a clamping role for the crane boom, and the crane boom can be more stable and stable in the welding process.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a large-scale jib loading boom welding frock, includes welded platform (6), the one end of welded platform (6) is provided with first operation platform (7), and the other end is provided with second operation platform (8), and the jib loading boom is placed between first operation platform (7) and second platform, its characterized in that: the welding platform (6) is provided with a supporting assembly (9) for supporting a crane boom, and the supporting assembly (9) comprises a connecting plate (91) connected with the welding platform (6), an oil cylinder (92) fixedly connected with the upper end of the connecting plate (91), and a supporting frame (93) fixedly connected with the end part of a piston rod of the oil cylinder (92).

2. The large crane boom welding tool according to claim 1, characterized in that: fixedly connected with two sets of parallel racks (10) on welded platform (6), the lower extreme fixedly connected with slip frame (11) of connecting plate (91), the first motor (12) of one side fixedly connected with of slip frame (11), the first gear (13) of output fixedly connected with of first motor (12), first gear (13) mesh mutually with rack (10).

3. The large crane boom welding tool according to claim 2, characterized in that: fixedly connected with two sets of parallel arrangement's guide rail (14) on welded platform (6), the lateral wall of sliding frame (11) rotates and is connected with gyro wheel (15), gyro wheel (15) and guide rail (14) roll joint cooperation.

4. The large crane boom welding tool according to claim 1, characterized in that: support frame (93) upper end fixedly connected with backup pad (16), the equal sliding connection in both ends of backup pad (16) has fixed plate (17), sliding groove (18) have all been seted up at the both ends of backup pad (16), fixed plate (17) are towards one side fixedly connected with slide bar (19) of backup pad (16), the spacing separation blade of one end fixedly connected with (20) of grafting in sliding groove (18) of slide bar (19), spring (21) have been cup jointed on slide bar (19), the one end of spring (21) and the inner wall looks butt of sliding groove (18), the other end and spacing separation blade (20) looks butt.

5. The large crane boom welding tool according to claim 4, wherein: the fixing plate (17) is arranged to be inclined from bottom to top away from the support plate (16).

6. The large crane boom welding tool according to claim 5, wherein: balls (171) are fitted to the opposite sides of the two fixed plates (17).

7. The large crane boom welding tool according to claim 4, wherein: the upper end of the supporting plate (16) is fixedly connected with a magnetic block (161).

8. The large crane boom welding tool according to claim 1, characterized in that: second operation platform (8) and welded platform (6) are connected that slides, one side fixedly connected with second motor (22) of second operation platform (8), the output fixedly connected with second gear (23) of second motor (22), second gear (23) and rack (10) mesh mutually.