CN107953055B

CN107953055B - Crane assembling tool

Info

Publication number: CN107953055B
Application number: CN201711383228.3A
Authority: CN
Inventors: 朱良军
Original assignee: Ningbo Aotu Heavy Industries Co ltd
Current assignee: Ningbo Aotu Heavy Industries Co ltd
Priority date: 2017-12-20
Filing date: 2017-12-20
Publication date: 2024-04-02
Anticipated expiration: 2037-12-20
Also published as: CN107953055A

Abstract

The invention discloses a crane assembling tool, which comprises a workbench and a guide rail, wherein the workbench is slidably arranged on the guide rail, a vertical supporting plate is arranged on the workbench, a plurality of clamping devices are arranged on the vertical supporting plate, rail clamping devices for clamping and fixing the workbench and the guide rail are arranged at the bottoms of two ends of the workbench, the workbench is provided with a driving device for driving the whole workbench to slide along the guide rail, the driving device is arranged at the rear part of the workbench and comprises a mounting frame, the mounting frame can be arranged on the workbench in a vertical sliding mode, and the mounting frame is provided with a driving motor and a roller. The crane assembling tool disclosed by the invention can randomly adjust the position of the workbench on the ground so as to be convenient for assembling cranes with multiple specifications, and the workbench is driven by a motor, so that the workbench does not need to be manually moved, the labor force is saved, and the welding efficiency is improved.

Description

Crane assembling tool

Technical Field

The invention relates to the technical field of crane manufacturing, in particular to a crane assembling tool.

Background

The single-beam crane and the double-beam crane are assembled by main beams and end beams, the span is determined before the assembly, then fixing the end beam of the crane, and then assembling the main beam and the end beam together. In the prior art, a main beam of a crane is generally erected and supported through two splicing tools, then end beams are welded at two ends of the main beam, the end beams at two sides are required to be clamped and limited on a workbench, the positioning of the end beams is required to be stable and accurate, the specifications of the main beam are different in actual splicing, the workbench is always welded and fixed on the ground through a connecting plate in the existing splicing tools, the position of the main beam cannot be adjusted, each time the crane with the same specification is welded, when another batch of cranes with different specifications are required to be welded, the connecting plate which is fixedly connected with the ground is required to be detached firstly, and after the two tools are adjusted to the corresponding positions, the connecting plate is welded and fixed on the ground again, so that parts such as the connecting plate are required to be disassembled and assembled once, the unnecessary workload is increased, the position after the connection cannot be finely adjusted, and the welding accuracy of the crane is low.

Disclosure of Invention

The technical problems to be solved by the invention are as follows: the utility model provides a frock is assembled to hoist can adjust the position on ground of whole workstation at will in order to conveniently adapt to a plurality of specifications hoist and assemble to the workstation adopts motor drive, does not need the manual work to remove the workstation, saves the labour, improves welding efficiency.

The technical scheme adopted by the invention is as follows: the utility model provides a frock is assembled to hoist, including being used for placing the workstation of hoist girder and end beam and fixing the first guide rail at subaerial two parallel arrangement, the workstation slidable establish on first guide rail, the workstation on be equipped with vertical support plate, vertical support plate on be equipped with the clamping device who is used for the location to press from both sides a plurality of different specifications of tight end beam, the bottom at workstation both ends all be equipped with the rail clamp that is used for pressing from both sides workstation and first guide rail clamp fixed, the workstation on be equipped with the drive arrangement that drives whole workstation and slide along first guide rail, just drive arrangement establish the rear portion at the workstation, drive arrangement include the installing frame, the installing frame can the upper and lower gliding establish on the workstation, the installing frame on be equipped with driving motor and gyro wheel.

Compared with the prior art, the technical scheme of the invention has the following advantages:

the crane assembling tool structure comprises the first guide rail arranged on the ground, the workbench can slide along the first guide rail, the position of the workbench on the first guide rail is selected according to the actual crane specification in the use process, and the workbench is fixed with the first guide rail through the rail clamping device, so that the structure is simple and the operation is convenient; and be equipped with drive arrangement in this frock, when the workstation needs remove the position on the guide rail, open the whole workstation of drive arrangement drive and remove on first guide rail, need not the manpower and pass, save the labour, improve welding efficiency.

As an improvement, the rail clamping device comprises two clamping blocks and a hand-adjusting disc, wherein the two clamping blocks are connected to the bottom of the workbench and positioned on two sides of the first guide rail, one side, close to the first guide rail, of each clamping block is provided with a limiting groove, and a channel for sliding fit with the first guide rail is formed between the opposite limiting grooves on the two clamping blocks; the clamping blocks are provided with threaded through holes, the hand-adjusting disc is provided with a connecting rod, the connecting rod is provided with a threaded section, the hand-adjusting disc is rotatably arranged in the threaded through holes corresponding to the two clamping blocks in a penetrating mode through the threaded section, and the hand-adjusting disc is used for adjusting the size of a channel between the two clamping blocks when being rotated to control clamping and loosening of the two clamping blocks and the first guide rail.

As an improvement, each clamping block is further provided with a round through hole, a hydraulic buffer is arranged between the two clamping blocks, and two ends of the hydraulic buffer are respectively connected in the round through holes of the clamping blocks at two sides. After setting up hydraulic buffer between two clamp blocks, when adjusting the distance between two clamp blocks through the hand disc, hydraulic buffer has certain buffering effect, can prevent that two clamp blocks from causing the damage to first guide rail to the too big dynamics of compressing tightly of first guide rail.

Preferably, the number of the hydraulic buffers is two, the number of the round through holes arranged on each clamping block is two, and two ends of the two hydraulic buffers are respectively connected in the corresponding round through holes on the clamping blocks on two sides. The number of the hydraulic buffers is set to be two, so that the accuracy and stability of the distance adjustment between the two clamping blocks can be further ensured.

As an improvement, the driving device further comprises a manual jack, a connecting plate is arranged above the installation frame on the workbench, a top rod of the manual jack is connected to the connecting plate, the lower end of the manual jack is connected to the installation frame, and the manual jack is used for adjusting the height of the roller. Because in actual production, the place that the bottom surface of workshop probably appears unevenness, then drive arrangement is when the whole workstation of drive removes along first guide rail, the drive force can receive certain influence, and add a manual jack in this structure in drive arrangement, and the ejector pin of manual jack is connected on the connecting plate on the workstation, the bottom of manual jack is connected on the installing frame, can control the clearance between gyro wheel and the bottom surface through controlling the ejecting height of manual jack ejector pin, so can adjust manual jack according to the unevenness degree of bottom surface, thereby make the contact of gyro wheel and bottom surface remain a good state all the time, can not influence the driving effect because of the ground height is indefinite.

Still improve, clamping device include the rocking arm, the rocking arm rotatable establish in vertical support plate, the rocking arm on be equipped with first side clamping bolt, the tip of first side clamping bolt is equipped with the carousel that has the handle, when the end beam of hoist is placed on the workstation, rotate the rocking arm to the position parallel with the end beam, first side clamping bolt be used for pressing from both sides tightly spacing on the lateral wall of end beam. The rocker arm of the clamping device is rotatably arranged on the vertical supporting plate, after the end beam is placed on the workbench, the rocker arm is turned down to enable a first lateral clamping bolt on the rocker arm to be located at the side wall of the end beam, and the turntable with the handle is rotated to enable the first lateral clamping bolt to clamp and lean against the side wall of the end beam to limit the end beam; after the welding is finished, the bolts are loosened, the rocker arm is turned upwards to be recovered, and the structure can more reasonably utilize the space.

And when the end beam of the crane is placed on the workbench, the first lateral clamping bolts tightly press against the side wall of the end beam, and the second lateral clamping bolts tightly press against the side wall of the other end of the end beam. The second lateral clamping bolt enables the limitation of the end beam to be more stable, the two sides can be well clamped and limited, the end beam is fixed and stable, and then the welding quality of the whole crane is well guaranteed.

As an improvement, a plurality of fixing blocks are arranged on the workbench along the left-right direction, and compression bolts are arranged on the fixing blocks. The arrangement of the compression bolt mechanism ensures that the limit of the end beam on the workbench is more stable, the welding quality of the end beam and the main beam can be better ensured.

Still improve, this frock is assembled to hoist still includes the wiping ware, the wiping ware include second guide rail and current collector, the workstation on be equipped with the bracing piece, the current collector connect at the bracing piece top, the second guide rail establish the position that is close to the workstation side. The sliding contactor is mainly used for enabling the tool to be well supplied with power when the tool moves to any position.

As an improvement, the vertical supporting plate is provided with a control box, a frequency converter and a remote control device are arranged in the control box, and the frequency converter and the remote control device are electrically connected with a driving motor. When the remote control device is electrically connected with the external remote controller, the driving motor can be directly controlled by remote control, so that the workbench is driven to slide on the first guide rail, and the operation is safe and convenient; the frequency converter is used for controlling the frequency of the driving motor, so that the frequency of the driving motor can be adjusted more in actual use, and meanwhile, the overload protection function can be achieved.

Drawings

Fig. 1 is a schematic structural view of a crane assembly fixture of the present invention.

Fig. 2 is another angular structural diagram of the crane assembly tooling of the present invention.

Fig. 3 is a cross-sectional view of the clamping device in the crane assembly tool of the present invention.

Wherein 1, workbench, 2, first guide rail, 3, vertical support plate, 4, clamping device, 41, rocker arm, 42, first lateral clamping bolt, 43, turntable, 5, rail clamping device, 51, clamping block, 511, limit groove, 512, threaded through hole, 513, round through hole, 52, manual disc, 521, connecting rod, 522, threaded section, 53, hydraulic buffer, 6, driving device, 61, mounting frame, 62, driving motor, 63, roller, 64, manual jack, 7, channel, 8, second lateral clamping bolt, 9, fixing block, 10, compression bolt, 11, sliding contact, 111, second guide rail, 112, current collector, 12, support rod, 13, control box

Detailed Description

The invention is further described below with reference to the drawings and the detailed description.

As shown in fig. 1 to 3, the invention provides a crane assembling tool, which comprises a workbench 1 for placing a crane main beam and an end beam and two first guide rails 2 which are fixed on the ground and are arranged in parallel, wherein the workbench 1 is slidably arranged on the first guide rails 2, a vertical supporting plate 3 is arranged on the workbench 1, a plurality of clamping devices 4 with different specifications for positioning and clamping the end beam are arranged on the vertical supporting plate 3, and in the embodiment, two clamping devices 4 with different specifications and sizes are arranged on the vertical supporting plate 3 and are used for clamping and limiting the end beams with different specifications.

The bottom at both ends of the working table 1 is provided with a rail clamping device 5 for clamping and fixing the working table 1 and the first guide rail 2, the working table 1 is provided with a driving device 6 for driving the whole working table 1 to slide along the first guide rail 2, the driving device 6 is arranged at the rear part of the working table 1, the driving device 6 comprises a mounting frame 61, the mounting frame 61 is arranged on the working table 1 in a sliding way up and down, the mounting frame 61 is provided with a driving motor 62 and a roller 63, and the roller 63 and the bottom surface can be caused to roll unstably due to the fact that the bottom surface is possibly uneven in the actual use process, in the embodiment, the driving device 6 further comprises a manual jack 64, a connecting plate is arranged above the mounting frame 61 on the working table 1, a top rod of the manual jack 64 is connected to the connecting plate, the lower end of the manual jack 64 is connected to the mounting frame 61, and the height of the manual jack 64 is adjusted, so that the roller 63 can roll continuously on the flat bottom surface in order to drive the whole working table 1 to move stably along the first guide rail 2.

The rail clamping device 5 comprises two clamping blocks 51 and a hand-adjusting disc 52, the two clamping blocks 51 are connected to the bottom of the workbench 1 and located on two sides of the first guide rail 2, a limiting groove 511 is formed in one side, close to the first guide rail 2, of each clamping block 51, a channel 7 used for being in sliding fit with the first guide rail 2 is formed between the corresponding limiting grooves 511 of the two clamping blocks 51, and the whole workbench 1 is in sliding connection with the first guide rail 2 through the channel 7.

Each clamping block 51 is provided with a threaded through hole 512, the hand-adjusting disc 52 is provided with a connecting rod 521, the connecting rod 521 is provided with a threaded section 522 for being matched and connected with the threaded through holes 512 on the clamping blocks 51, the hand-adjusting disc 52 is rotatably arranged in the corresponding threaded through holes 512 on the two clamping blocks 51 in a penetrating manner through the threaded sections 522, and when the hand-adjusting disc 52 is rotated, the hand-adjusting disc 52 is used for adjusting the space between the two clamping blocks 51, so that clamping and loosening of the two clamping blocks 51 and the first guide rail 2 are controlled.

Each clamping block 51 is further provided with a circular through hole 513, a hydraulic buffer 53 is arranged between the two clamping blocks 51, and two ends of the hydraulic buffer 53 are respectively connected in the circular through holes 513 of the clamping blocks 51 at two sides.

In this embodiment, in order to make the manual adjustment disc 52 control the movement of the two clamping blocks 51 to be more stable, two hydraulic buffers 53 are provided, two circular through holes 513 are provided on each clamping block 51, and two ends of each hydraulic buffer 53 are respectively connected to corresponding circular through holes 513 on the clamping blocks 51 on two sides.

The clamping device 4 comprises a rocker 41, the rocker 41 is rotatably arranged on the vertical supporting plate 3, a first lateral clamping bolt 42 is arranged on the rocker 41, a turntable 43 with a handle is arranged at the end part of the first lateral clamping bolt 42, when an end beam of the crane is placed on the workbench 1, the rocker 41 is rotated to a position parallel to the end beam, and the first lateral clamping bolt 42 is used for clamping and limiting on the side wall of the end beam; in this embodiment, a plurality of second lateral clamping bolts 8 are further arranged on the vertical support plate 3, a turntable 43 with a handle is arranged at the end of each second lateral clamping bolt 8, and when the end beam of the crane is placed on the workbench 1, the first lateral clamping bolts 42 are pressed against the side wall of the end beam, and the second lateral clamping bolts 8 are tightly pressed against the side wall of the other end of the end beam.

In order to enable the positioning of the end beam and the main beam to be more stable during welding, the welding precision is improved, a plurality of fixing blocks 9 are arranged on the workbench 1 along the left-right direction, and compression bolts 10 are arranged on the fixing blocks 9 to further compress and limit the side walls of the end beam.

In this embodiment, in order to supply power to the workbench 1 that needs to be movable, the crane assembly fixture further includes a trolley 11, the trolley includes a second guide rail 111 and a current collector 112, a support rod 12 is disposed on the workbench 1, the current collector 112 is connected to the top of the support rod 12, the second guide rail 111 is disposed at a position close to the side edge of the workbench 1, and the current collector 112 is slidably disposed on the second guide rail 111 to supply power to devices that need to be powered, such as a driving motor 62 on the workbench 1.

In this embodiment, the vertical supporting plate 3 is provided with a control box 13, and a frequency converter and a remote control device are arranged in the control box 13 and are electrically connected with the driving motor 62. When the remote control device is electrically connected with an external remote controller, the operation of the driving motor 62 can be directly controlled by remote control, so that the workbench 1 is driven to slide on the first guide rail 2, and the operation is safe and convenient; the frequency converter is used to control the frequency of the driving motor 62, and in actual use, the driving motor frequency may need to be adjusted.

The foregoing description of the preferred embodiments of the present invention is provided for illustration and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to be changed, and all changes made within the scope of the invention as independently claimed are within the scope of the invention.

Claims

1. Frock, its characterized in that are assembled to hoist: the device comprises a workbench (1) for placing a main beam and an end beam of a crane and two first guide rails (2) which are arranged in parallel and fixed on the ground, wherein the workbench (1) is slidably arranged on the first guide rails (2), a vertical supporting plate (3) is arranged on the workbench (1), a plurality of clamping devices (4) with different specifications for positioning and clamping the end beam are arranged on the vertical supporting plate (3), rail clamping devices (5) for clamping and fixing the workbench (1) and the first guide rails (2) are respectively arranged at the bottoms of the two ends of the workbench (1), a driving device (6) for driving the whole workbench (1) to slide along the first guide rails (2) is arranged on the workbench (1), the driving device (6) is arranged at the rear part of the workbench (1), the driving device (6) comprises a mounting frame (61), the mounting frame (61) is slidably arranged on the workbench (1) up and down, and a driving motor (62) and a roller (63) are arranged on the mounting frame (61); the rail clamping device (5) comprises two clamping blocks (51) and a hand-adjusting disc (52), the two clamping blocks (51) are connected to the bottom of the workbench (1) and located on two sides of the first guide rail (2), a limit groove (511) is formed in one side, close to the first guide rail (2), of each clamping block (51), and a channel (7) for sliding fit with the first guide rail (2) is formed between the opposite limit grooves (511) of the two clamping blocks (51); each clamping block (51) is provided with a threaded through hole (512), the hand-adjusting disc (52) is provided with a connecting rod (521), the connecting rod (521) is provided with a threaded section (522), the hand-adjusting disc (52) is rotatably arranged in the corresponding threaded through holes (512) on the two clamping blocks (51) in a penetrating manner through the threaded section (522), and when the hand-adjusting disc (52) is rotated, the size of a channel (7) between the two clamping blocks (51) is adjusted, and the clamping and loosening of the two clamping blocks (51) and the first guide rail (2) are controlled; each clamping block (51) is further provided with a circular through hole (513), a hydraulic buffer (53) is arranged between the two clamping blocks (51), and two ends of the hydraulic buffer (53) are respectively connected in the circular through holes (513) of the clamping blocks (51) at two sides; the number of the hydraulic buffers (53) is two, the number of the round through holes (513) arranged on each clamping block (51) is two, and two ends of the two hydraulic buffers (53) are respectively connected in the corresponding round through holes (513) on the clamping blocks (51) on two sides; the driving device (6) further comprises a manual jack (64), a connecting plate is arranged above the mounting frame (61) on the workbench (1), a top rod of the manual jack (64) is connected to the connecting plate, the lower end of the manual jack (64) is connected to the mounting frame (61), and the manual jack (64) is used for adjusting the height of the roller (63); the clamping device (4) comprises a rocker arm (41), the rocker arm (41) is rotatably arranged on the vertical supporting plate (3), a first lateral clamping bolt (42) is arranged on the rocker arm (41), a rotary table (43) with a handle is arranged at the end part of the first lateral clamping bolt (42), when an end beam of the crane is placed on the workbench (1), the rocker arm (41) is rotated to a position parallel to the end beam, and the first lateral clamping bolt (42) is used for clamping and limiting on the side wall of the end beam; the vertical supporting plate (3) is also provided with a plurality of second lateral clamping bolts (8), the end parts of the second lateral clamping bolts (8) are provided with turntables (43) with handles, and when an end beam of the crane is placed on the workbench (1), the first lateral clamping bolts (42) tightly press against the side wall of the end beam, and the second lateral clamping bolts (8) tightly press against the side wall of the other end of the end beam; a plurality of fixed blocks (9) are arranged on the workbench (1) along the left-right direction, and compression bolts (10) are arranged on the fixed blocks (9);

the sliding contactor comprises a second guide rail (111) and a current collector (112), wherein a supporting rod (12) is arranged on the workbench (1), the current collector (112) is connected to the top of the supporting rod (12), and the second guide rail (111) is arranged at a position close to the side edge of the workbench (1); the vertical supporting plate (3) is provided with a control box (13), a frequency converter and a remote control device are arranged in the control box (13), and the frequency converter and the remote control device are electrically connected with a driving motor (62).