CN212420287U

CN212420287U - Welding tool for standard knot of crane

Info

Publication number: CN212420287U
Application number: CN202021175725.1U
Authority: CN
Inventors: 陈益文
Original assignee: Jiangsu Climbing Energy Technology Co ltd
Current assignee: Jiangsu Climbing Energy Technology Co ltd
Priority date: 2020-06-22
Filing date: 2020-06-22
Publication date: 2021-01-29
Anticipated expiration: 2030-06-22

Abstract

The application relates to a welding frock of hoist standard festival, it includes the girder of four mutual depth of parallelism, the both ends of girder are equipped with the support respectively, be equipped with drive girder pivoted turning device on the support, be equipped with the displacement device that drive support slided along girder length direction subaerial. This application has the effect that improves welding efficiency.

Description

Welding tool for standard knot of crane

Technical Field

The application relates to the field of crane welding tools, in particular to a welding tool for a crane standard knot.

Background

The tower crane is the most common hoisting equipment in construction sites, and is called a tower crane, which is lengthened section by section (called as a standard section for short) and used for hoisting construction raw materials such as reinforcing steel bars, wood ridges, concrete, steel pipes and the like for construction. The tower crane is an indispensable device on a construction site.

A standard knot of a crane is designed in the related art, and referring to fig. 1, the standard knot comprises four main beams 1 parallel to each other and a plurality of supporting beams 2, the four main beams 1 are arranged in a rectangular shape in a surrounding mode, and the supporting beams 2 are welded between two adjacent main beams 1.

Because girder and corbel are made by metal material, therefore the weight of girder and corbel is heavier, and girder and corbel need use lifting device to assist the upset in actual welding process, and the operation is inconvenient when using the auxiliary upset of lifting device, therefore welding efficiency is lower, exists obvious not enoughly.

In view of the above-mentioned related art, the inventors consider that there is a defect that welding turnover is inconvenient, resulting in low welding efficiency.

SUMMERY OF THE UTILITY MODEL

In order to improve the inconvenient problem that leads to welding inefficiency of welding upset, this application provides a welding frock of hoist standard festival.

The application provides a welding frock of hoist standard festival adopts following technical scheme:

the utility model provides a welding frock of hoist standard festival, includes four girders of mutual depth of parallelism, the both ends of girder are equipped with the support respectively, be equipped with drive girder pivoted turning device on the support, be equipped with the displacement device that the drive support slided along girder length direction subaerial.

Through adopting above-mentioned technical scheme, the support slides and has realized installation and dismantlement of girder on welding frock. During welding, a welder can turn over the main beam through the turning device, and the turning operation of the main beam is convenient. This practicality has the advantage that improves welding efficiency through turning device's setting.

Preferably, the turnover device comprises insertion grooves formed in two ends of the main beam and bearing plates connected to the support, a rotating seat is connected to the bearing plates, a rotating shaft penetrates through the rotating seat, the rotating shaft is parallel to the main beam, a rotating frame is fixedly sleeved on a shaft body of the rotating shaft between the support and the main beam, and one side, opposite to the rotating seat, of the rotating frame is connected with an insertion column inserted into the insertion grooves.

By adopting the technical scheme, the rotating shaft is rotated, the rotating shaft drives the rotating frame to rotate, and the rotating frame can drive the main beam to rotate around the rotating shaft, so that the main beam can be simply and conveniently rotated during welding, and the welding efficiency is improved.

Preferably, the sliding device is including placing the bottom plate subaerial, be connected with the slide rail on the bottom plate, the slip direction of slide rail is parallel with the length direction of girder, open the bottom of support has the spout, slide rail and spout sliding fit, the one end that the girder was kept away from to the slide rail is equipped with driving motor, driving motor's output shaft coaxial coupling has the transmission lead screw, the transmission lead screw rotates to pass the support and rather than threaded connection, the driving motor electricity is connected with control system.

Through adopting above-mentioned technical scheme, drive driving motor, driving motor's output shaft drives the transmission lead screw and rotates, and the transmission lead screw drives the support and slides on the slide rail when the support internal rotation to this dismouting of girder on welding frock is realized.

Preferably, a lifting device for driving the turnover device to do vertical lifting motion is arranged in the support, the lifting device comprises a lifting groove formed in the support, the lifting groove is vertically arranged, the bearing plate is connected in the lifting groove in a sliding mode, the top of the support is connected with a hydraulic oil cylinder, and a telescopic rod of the hydraulic oil cylinder points to the ground and is fixedly connected with the bearing plate.

Through adopting above-mentioned technical scheme, turning device can be fallen to elevating gear, consequently makes the welding workman can install the girder to the welding frock in lower department, not only convenient operation, and is more laborsaving moreover.

Preferably, the lifting groove is internally provided with a guide rod, the guide rod is parallel to the lifting groove, the end part of the guide rod is connected to the support, and the bearing plate is sleeved on the guide rod in a sliding manner.

Through adopting above-mentioned technical scheme, the guide bar plays the guide effect to the oscilaltion motion of loading board in the lift inslot, is favorable to improving the stability of loading board when the elevating motion simultaneously.

Preferably, the rotating seat is internally provided with a rotating bearing in interference fit, the rotating bearing is sleeved on the rotating shaft, and the rotating shaft is in interference fit with the rotating bearing.

Through adopting above-mentioned technical scheme, rolling bearing makes the axis of rotation can be more smooth and easy at the rotation of rolling seat internal rotation.

Preferably, a plurality of steel ball rollers are arranged between the sliding groove and the sliding rail along the length direction of the sliding rail.

Through adopting above-mentioned technical scheme, being provided with of steel ball gyro wheel does benefit to and improves spout and slide rail sliding fit's smooth and easy nature.

Preferably, one side of the bearing plate, which faces the hydraulic oil cylinder, is connected with a plurality of reinforcing ribs, the reinforcing ribs are connected to an expansion link of the hydraulic oil cylinder, and the reinforcing ribs are circumferentially distributed around the expansion link of the hydraulic oil cylinder.

Through adopting above-mentioned technical scheme, the strengthening rib is favorable to improving the joint strength of hydraulic cylinder's telescopic link and loading board, has reduced the possibility of loading board receiving the action of gravity of girder, corbel back and hydraulic cylinder's telescopic link disconnection.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the turnover device has the advantage of improving the welding efficiency;

2. the lifting device can lower the turnover device, so that a welder can install the main beam to the welder at a lower position, the operation is convenient, and labor is saved.

Drawings

FIG. 1 is a schematic structural view of a main beam and a corbel of the related art;

FIG. 2 is a schematic illustration of the present application;

FIG. 3 is an exploded view of the connection among the turning device, the main beam, the supporting beam and the insertion groove;

FIG. 4 is a schematic structural diagram of the connection relationship among the lifting device, the bracket, the bearing plate and the sliding chute;

fig. 5 is a schematic structural diagram of the connection relationship among the sliding device, the lifting groove and the bracket in the application.

Description of reference numerals: 1. a main beam; 2. supporting a beam; 3. a support; 4. a turning device; 5. a slipping device; 6. inserting grooves; 7. a carrier plate; 8. a rotating seat; 9. a rotating shaft; 10. a rotating frame; 11. inserting the column; 12. a base plate; 13. a slide rail; 14. a chute; 15. a drive motor; 16. a transmission screw rod; 17. a lifting device; 18. a lifting groove; 19. a hydraulic cylinder; 20. a guide bar; 21. a rotating bearing; 22. steel ball rollers; 23. reinforcing ribs; 24. rotating the handle; 25. and a linear bearing.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

Referring to fig. 1, a standard knot of a crane comprises four mutually parallel main beams 1 and a plurality of supporting beams 2, wherein the four main beams 1 are arranged in a rectangular shape in a surrounding manner, and the supporting beams 2 are welded between two adjacent main beams 1.

The embodiment of the application discloses welding frock of hoist standard festival. Referring to fig. 2, the device comprises supports 3 respectively arranged at two ends of a main beam 1, wherein the supports 3 are provided with turnover devices 4 for driving the main beam 1 to rotate, a sliding device 5 for driving the supports 3 to slide along the length direction of the main beam 1 is arranged on the ground, and a lifting device 17 for driving the turnover devices 4 to do vertical lifting motion is arranged in each support 3.

Referring to fig. 3, the turnover device 4 includes insertion grooves 6 formed at both ends of the main beam 1 and bearing plates 7 connected to the bracket 3, and the bearing plates 7 are horizontally disposed. The bearing board 7 is bolted with a rotating seat 8, a rotating shaft 9 penetrates through the rotating seat 8, and the rotating shaft 9 is parallel to the main beam 1.

Referring to fig. 3, a rotation bearing 21 is interference fitted in the rotation base 8, and the rotation bearing 21 is sleeved on the rotation shaft 9 and interference fitted therewith. The provision of the rotary bearing 21 makes the rotation of the rotary shaft 9 in the rotary holder 8 smoother.

Referring to fig. 3, a rotating handle 24 is welded at one end of the rotating shaft 9, which faces away from the main beam 1, and the rotating handle 24 enables an operator to manually rotate the rotating shaft 9 more conveniently.

Referring to fig. 3, a rotating frame 10 is sleeved on the shaft body of the rotating shaft 9 between the bracket 3 and the main beam 1, and the rotating frame 10 is welded and fixed with the rotating shaft 9. One side of the rotating frame 10, which is back to the rotating seat 8, is welded with the inserting column 11 which is used for being inserted into the inserting groove 6, one end of the inserting column 11, which is back to the rotating frame 10, is in a conical arrangement, and the conical arrangement enables the inserting column 11 to be more conveniently inserted into the inserting groove 6.

Referring to fig. 3, after the two rotating frames 10 limit the two ends of the main beam 1, a welder can rotate the rotating handle 24, so that the main beam 1 can rotate around the rotating shaft 9, the turning mode is convenient to operate, and the welding efficiency of the welder is improved.

Referring to fig. 4, the lifting device 17 includes a lifting groove 18 formed in the support 3, and the lifting groove 18 is vertically disposed. The top of the bracket 3 is bolted with a hydraulic oil cylinder 19, an expansion link of the hydraulic oil cylinder 19 points to the ground and is welded with the bearing plate 7, and the bearing plate 7 is connected in the lifting groove 18 in a sliding manner.

Referring to fig. 2 and 4, the carrier plate 7 is lowered by the lifting device 17 so that a welder can mount the girder 1 to the welder at a lower position for easy operation. When the main beam 1 is welded with the support beam 2, the lifting device 17 lifts the bearing plate 7, so that the main beam 1 cannot contact with the ground when the rotating frame 10 is turned over.

Referring to fig. 2 and 4, after welding, because the main beam 1 and the support beam 2 are welded to each other, and the weight of the whole welded main beam 1 and support beam 2 is heavy, when a welder manually removes the main beam 1 and support beam 2 suspended in the air, the welder may be injured by the welder due to the fact that the welder cannot bear the gravity of the welder, and the welder is in danger. Therefore, after the welding is finished, the bearing plate 7 is lowered through the driving device, so that the standard knot is firstly placed on the ground, and then the standard knot is taken away, and the welding machine is safe.

Referring to fig. 4, a plurality of reinforcing ribs 23 are welded on one side of the bearing plate 7 facing the hydraulic oil cylinder 19, the reinforcing ribs 23 are welded on the telescopic rods of the hydraulic oil cylinder 19, and the reinforcing ribs 23 are uniformly distributed around the circumference of the telescopic rods of the hydraulic oil cylinder 19. The arrangement of the reinforcing ribs 23 enhances the connection strength between the telescopic rods of the hydraulic oil cylinders 19 and the bearing plate 7, and reduces the possibility that the bearing plate 7 is disconnected from the telescopic rods of the hydraulic oil cylinders 19 under the action of the gravity of the turnover device 4.

Referring to fig. 4, two guide rods 20 are arranged in the lifting groove 18, the guide rods 20 are parallel to the lifting groove 18, the end portions of the guide rods 20 are welded on the side walls of the lifting groove 18, and the bearing plate 7 is slidably sleeved on the guide rods 20. The guide rod 20 plays a guiding role in sliding the bearing plate 7, and is beneficial to improving the sliding stability of the bearing plate 7.

Referring to fig. 4, the bearing plate 7 is bolted with a linear bearing 25, the linear bearing 25 is sleeved on the guide rod 20, and the linear bearing 25 enables the guide rod 20 to be more smoothly matched with the bearing plate 7 in a sliding manner.

Referring to fig. 5, the sliding device 5 includes a bottom plate 12 placed on the ground, two parallel sliding rails 13 are welded on the bottom plate 12, and the length direction of the sliding rails 13 is parallel to the length direction of the main beam 1. The bottom of the bracket 3 is provided with a sliding chute 14, and the sliding chute 14 is in sliding fit with the sliding rail 13. Through the slip of support 3 on slide rail 13, welding personnel can realize the installation of girder 1 on welding frock.

Referring to fig. 5, a driving motor 15 is bolted to one end of the slide rail 13 far away from the main beam 1, the driving motor 15 is electrically connected with a control system, and the driving motor 15 is a forward and reverse rotation motor. An output shaft of the driving motor 15 is coaxially connected with a transmission screw rod 16 through a coupler, and the transmission screw rod 16 penetrates through the support 3 in a rotating mode and is in threaded connection with the support. The driving motor 15 is started, an output shaft of the driving motor 15 can drive the transmission screw rod 16 to rotate, and the transmission screw rod 16 can push the rack to slide on the sliding rail 13 while rotating in the support 3.

Referring to fig. 5, a plurality of steel ball rollers 22 are disposed between the sliding groove 14 and the sliding rail 13, and the steel ball rollers 22 are disposed on the sliding rail 13 along a length direction thereof. The arrangement of the steel ball roller 22 enables the bracket 3 to slide on the slide rail 13 more smoothly.

The implementation principle of the welding tool of the crane standard knot in the embodiment of the application is as follows:

1. before welding, an operator firstly starts the hydraulic oil cylinder 19, and the telescopic rod of the hydraulic oil cylinder 19 extends out to drive the bearing plate 7 to descend in the lifting groove 18. Then, a control system starts a driving motor 15, an output shaft of the driving motor 15 drives a transmission screw rod 16 to transmit, the transmission screw rod 16 rotates in the support 3 and simultaneously drives the support 3 to slide on the slide rail 13, and the two supports 3 are gradually far away. At the moment, a welder respectively sleeves one main beam 1 on the plug-in posts 11 of one rotating frame 10, starts the driving motor 15, the output shaft of the driving motor 15 rotates reversely, the two supports 3 are close to each other, and the plug-in posts 11 on the two rotating frames 10 are respectively inserted into the plug-in grooves 6 at the two ends of the main beam 1. And starting the hydraulic oil cylinder 19, retracting the telescopic rod of the hydraulic oil cylinder 19 and driving the bearing plate 7 to ascend, and then performing welding work by a welder.

2. After the welding is completed, a welder firstly starts the hydraulic oil cylinder 19, an expansion rod of the hydraulic oil cylinder 19 extends out and drives the bearing plate 7 to descend, the standard knot is placed on the bottom plate 12, then the driving motor 15 is started through the control system, an output shaft of the driving motor 15 drives the transmission lead screw 16 to rotate, the transmission lead screw 16 drives the support 3 to slide on the sliding rail 13 while rotating in the support 3, the two supports 3 are gradually far away, the standard knot is automatically separated from the splicing column 11, and the welder can take away the welded standard knot. This application sets up slide device 5 and turning device 4 for the operation workman can be simple and convenient weld the upset, has the advantage that improves welding efficiency.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a welding frock of hoist standard festival, includes girder (1) of four mutual depth of parallelism, its characterized in that: the two ends of the main beam (1) are respectively provided with a support (3), the support (3) is provided with a turnover device (4) for driving the main beam (1) to rotate, and the support (3) is provided with a sliding device (5) for driving the support (3) to slide along the length direction of the main beam (1) on the ground.

2. The welding frock of hoist standard festival according to claim 1, characterized in that: turning device (4) are including offering at inserting groove (6) at girder (1) both ends and connecting loading board (7) on support (3), be connected with on loading board (7) and rotate seat (8), it wears to be equipped with axis of rotation (9) to rotate seat (8) internal rotation, axis of rotation (9) are on a parallel with girder (1), fixed cover is equipped with rotating turret (10) on the axle body that axis of rotation (9) are located between support (3) and girder (1), one side that rotating turret (10) rotated seat (8) dorsad is connected with and is used for inserting spliced pole (11) of establishing in inserting groove (6).

3. The welding frock of hoist standard festival according to claim 1, characterized in that: sliding device (5) is including placing bottom plate (12) subaerial, be connected with slide rail (13) on bottom plate (12), the slip direction of slide rail (13) is parallel with the length direction of girder (1), open the bottom of support (3) has spout (14), slide rail (13) and spout (14) sliding fit, the one end that girder (1) were kept away from in slide rail (13) is equipped with driving motor (15), the output shaft coaxial coupling of driving motor (15) has transmission lead screw (16), transmission lead screw (16) rotate pass support (3) and rather than threaded connection, driving motor (15) electricity is connected with control system.

4. The welding frock of hoist standard festival according to claim 2, characterized in that: the lifting device (17) for driving the turnover device (4) to do vertical lifting motion is arranged in the support (3), the lifting device (17) comprises a lifting groove (18) formed in the support (3), the lifting groove (18) is vertically arranged, the bearing plate (7) is slidably connected in the lifting groove (18), the top of the support (3) is connected with a hydraulic oil cylinder (19), and an expansion rod of the hydraulic oil cylinder (19) points to the ground and is fixedly connected with the bearing plate (7).

5. The welding frock of hoist standard festival according to claim 4, characterized in that: be equipped with guide bar (20) in lift groove (18), guide bar (20) are on a parallel with lift groove (18), the end connection in support (3) of guide bar (20), loading board (7) slip cover is established on guide bar (20).

6. The welding frock of hoist standard festival according to claim 2, characterized in that: rotating bearing (21) is arranged in rotating seat (8) in an interference fit mode, rotating bearing (21) is sleeved on rotating shaft (9), and rotating shaft (9) and rotating bearing (21) are in an interference fit mode.

7. The welding frock of hoist standard festival according to claim 3, characterized in that: a plurality of steel ball rollers (22) are arranged between the sliding groove (14) and the sliding rail (13), and the steel ball rollers (22) are arranged on the sliding rail (13) along the length direction of the sliding rail.

8. The welding frock of hoist standard festival according to claim 4, characterized in that: one side, facing the hydraulic oil cylinder (19), of the bearing plate (7) is connected with a plurality of reinforcing ribs (23), the reinforcing ribs (23) are connected to telescopic rods of the hydraulic oil cylinder (19), and the reinforcing ribs (23) are circumferentially distributed around the telescopic rods of the hydraulic oil cylinder (19).