CN216227621U

CN216227621U - Lifting and welding device with adjustable roller

Info

Publication number: CN216227621U
Application number: CN202122720010.0U
Authority: CN
Inventors: 李乃斌
Original assignee: Anhui Masteel Conveying Equipment Manufacturing Co ltd
Current assignee: Anhui Masteel Conveying Equipment Manufacturing Co ltd
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-04-08
Anticipated expiration: 2031-11-08

Abstract

The utility model discloses a roller adjustable lifting and welding device, and belongs to the technical field of roller welding. The crane comprises a crane hook, a hanging chain and a welding platform, wherein the crane hook is hung on a crane, the hanging chain is hung on the crane hook, the hanging chain is divided into a fixed-length hanging chain and an adjustable hanging chain by taking the crane hook as a boundary, the length of the adjustable hanging chain is greater than that of the fixed-length hanging chain, the adjustable hanging chain is hung with an adjusting hook, and the fixed-length hanging chain is hung with a locking hook; welding platform includes that the cross-section is right triangle's frame construction's welding stent, the inclined plane of welding stent's right triangle structure supports the inclined plane for the cylinder, the cylinder supports the upper portion bottom surface fixedly connected with motor on inclined plane, the upper surface is connected with 2 bearing rollers of putting to one side by side and parallel through the bearing rotary type in upper and lower 2 bearing frames respectively, the adjustable control that can be stable of the rotational speed of bearing roller, and will rotate the cylinder of transmitting for its top, thereby realize the technological effect of stable control welding speed.

Description

Lifting and welding device with adjustable roller

Technical Field

The utility model relates to the technical field of roller welding, in particular to a roller adjustable lifting and welding device.

Background

According to the traditional manual welding roller, because the outer contour of the roller is a circumferential surface, a welding seam on the surface of the roller is also an arc-shaped surface, and during manual welding, a welding gun is not moved, the outer contour surface of the roller is manually rotated for welding, or the roller is not moved, and the welding gun surrounds the roller to weld the outer contour surface of the roller. Due to human factors, the welding speed is not stable, so that the welding seam is not uniform, the welding efficiency is low, and the welding quality is influenced.

Still another problem is exactly when the welding, because the cylinder is heavier relatively, need use the driving to lift by crane the formula and transport to the cylinder of welded platform below and support the inclined plane on, because the cylinder supports the inclined plane and has certain inclination, prior art's driving lifting hook transports the cylinder to cylinder support inclined plane and need adjustment position on the inclined plane just can transversely be put on the inclined plane, and the adjustment position in-process bumps easily and has the safety risk of hindering the people even.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

Aiming at the problems that when a roller is welded in the prior art, the position of the roller is adjusted on a roller supporting inclined plane, collision is easy to generate and even the safety risk of hurting people is caused, welding seams are not uniform due to unstable welding speed, and welding efficiency is low, the utility model designs the roller adjustable lifting and welding device.

2. Technical scheme

The purpose of the utility model is realized by the following technical scheme.

A roller adjustable lifting and welding device comprises a travelling crane lifting hook, a lifting chain and a welding platform, wherein the travelling crane lifting hook is hung on a travelling crane, the lifting chain is hung on the travelling crane lifting hook, the lifting chain is divided into a fixed-length lifting chain and an adjustable lifting chain by taking the travelling crane lifting hook as a boundary, the length of the adjustable lifting chain is larger than that of the fixed-length lifting chain, the adjustable lifting chain is provided with an adjusting lifting hook in a hanging manner, and the fixed-length lifting chain is provided with a locking lifting hook in a hanging manner; through the length of adjusting adjustable chain sling, the inclination of the welding cylinder of treating of adjustable lifting by crane is adjusted to the angle unanimous with cylinder support inclined plane after, will treat that the welding cylinder lifts by crane and hangs and rotate to cylinder support inclined plane top back again through the driving, and the driving lifting hook descends, treats that the welding cylinder need not to carry out extra position adjustment, can realize steadily descending to cylinder support inclined plane. The welding platform comprises a welding support with a right-angled triangle-shaped frame structure, the inclined plane of the right-angled triangle structure of the welding support is a roller supporting inclined plane, the bottom surface of the upper part of the roller supporting inclined plane is fixedly connected with a motor, the upper surface of the roller supporting inclined plane is rotatably connected with 2 parallel and parallel obliquely-arranged carrier rollers through bearings in an upper bearing seat and a lower bearing seat respectively, carrier roller shafts of 1 carrier roller are in transmission connection with a transmission shaft of the motor through transmission mechanisms of the carrier roller shafts, the carrier rollers can be called as driving carrier rollers, and the other 1 carrier roller is a driven carrier roller; two ends of the roller to be welded are respectively hooked tightly by the locking lifting hook and the adjusting lifting hook and then transferred to the roller supporting inclined plane by the traveling crane. The motor can be servo motor, like this, the adjustable control that the rotational speed of bearing roller can be stable to rotate the cylinder of transmitting for its top, thereby realize the technological effect of stable control welding speed.

The technical scheme is further that the roller support device further comprises a blocking wheel fixedly connected to the upper surface of the lower portion of the roller support inclined plane, the roller is prevented from sliding off the platform, the axial direction of the blocking wheel faces the roller, and the blocking wheel and the roller rotate at the same rotating speed.

According to the technical scheme, the number of the adjusting lifting hooks is two or more, the length of the adjustable lifting chain is determined through different adjusting lifting hooks, the lifting hooks do not need to be frequently disassembled, and adjustment is more convenient.

According to the further technical scheme, the inclination of the inclined carrier roller is consistent with that of the roller supporting inclined plane, so that the generation of axial shearing force can be avoided.

Further technical scheme, the locking lifting hook can be dismantled with fixed length chain sling through the spring bolt and is articulated, and the free end of spring bolt exceeds articulated round pin, extends to in the hook mouth of locking lifting hook, through spring bolt locking lifting hook and treat the hookup department between the welding drum during lifting by crane, makes super hang and transport more steady.

According to the further technical scheme, the lower portion of the roller supporting inclined plane is provided with a jack, and the blocking wheel is inserted into the jack through the connecting rod of the blocking wheel so as to adapt to rollers with different lengths.

According to the technical scheme, before the welding roller is hoisted, the length of the adjustable hoisting chain is determined by the inclination value R of the supporting inclined surface of the roller, the adjusting hoisting hook at the corresponding position is selected according to different supporting inclined surfaces of the roller, the position of the adjusting hoisting hook can be determined by calculation, and the method is more convenient and labor-saving.

Further technical scheme, drive mechanism is belt transmission or chain conveying, and when using belt transmission, the transmission shaft of motor and bearing roller is circular cambered surface structure, and when using chain transmission, the sprocket need be cup jointed to the transmission shaft of motor and bearing roller, selects different transmission forms as required.

Further technical scheme, treat that the length of welding drum is L, fixed length chain sling length is M, then adjustable chain sling's length N is:

the adjustment can be realized through simple calculation of a formula, and the method is more convenient and faster.

A welding process for detaching a guide eccentric shaft of a roller-adjustable lifting and welding device comprises the following steps:

s1, selecting the length of the adjustable suspension chain: respectively hooking an adjusting lifting hook and a locking lifting hook at two ends of a roller to be welded tightly, lifting by a crane lifting hook, and then enabling the roller to be welded to leave the ground;

s2, transferring of the roller to be welded: after the inclined roller to be welded is transferred to the position above the supporting inclined plane of the roller by a travelling crane, a travelling crane lifting hook descends, the roller to be welded stably descends to a position between 2 carrier rollers, and an adjusting lifting hook and a locking lifting hook are retracted;

s3, welding of the roller to be welded: starting a motor, driving a roller to be welded to rotate by a carrier roller, and starting welding along the circumferential surface of the roller to be welded at a stable speed;

s4, replacement: and after the welding of the roller to be welded is finished, the welded roller is transferred to a finished product area by the travelling crane with the adjustable sling chain length adjusted in the step S1, another roller to be welded is replaced by the travelling crane, and the steps are repeated.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

the utility model has convenient operation, labor saving, high efficiency and small safety risk, and can stably control the rotating speed of the carrier roller to be transmitted to the roller above the carrier roller through stable and adjustable control, thereby realizing the technical effect of stably controlling the welding speed, further realizing uniform welding seams and effectively improving the welding efficiency and the welding quality.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the adjustment hook of the present invention;

FIG. 3 is a schematic structural view of a roller to be welded;

FIG. 4 is an enlarged view of the structure at C of FIG. 1;

fig. 5 is a schematic view of a welding platform according to the present invention.

The reference numbers in the figures are: 1. a crane hook; 2. a fixed-length sling chain; 3. an adjustable sling chain; 4. locking a lifting hook; 5. adjusting the lifting hook; 6. a roller to be welded; 10. welding a platform; 11. welding a bracket; 12. a motor; 13. a carrier roller; 14. a transmission mechanism; 15. a catch wheel; 16. a bearing seat; 41. a latch bolt; 111. a roller support ramp; 112. a jack; 131. a carrier roller shaft.

Detailed Description

The utility model is described in detail below with reference to the drawings and specific examples.

Example 1

The roller adjustable lifting and welding device comprises a travelling crane lifting hook 1 suspended on a travelling crane, a lifting chain suspended on the travelling crane lifting hook 1 and a welding platform 10, wherein the lifting chain is divided into a fixed-length lifting chain 2 and an adjustable lifting chain 3 by taking the travelling crane lifting hook 1 as a boundary, the length of the adjustable lifting chain 3 is larger than that of the fixed-length lifting chain 2, an adjusting lifting hook 5 is suspended on the adjustable lifting chain 3 as shown in fig. 2, and a locking lifting hook 4 is suspended on the fixed-length lifting chain 2 as shown in fig. 4; through the length of adjusting adjustable chain sling, the inclination of the welding cylinder of treating of adjustable lifting by crane is adjusted to the angle unanimous with cylinder support inclined plane after, will treat that the welding cylinder lifts by crane and hangs and rotate to cylinder support inclined plane top back again through the driving, and the driving lifting hook descends, treats that the welding cylinder need not to carry out extra position adjustment, can realize steadily descending to cylinder support inclined plane. The welding platform 10 comprises a welding support 11 with a right-angled triangle frame structure, the inclined plane of the right-angled triangle structure of the welding support 11 is a roller supporting inclined plane 111, the bottom surface of the upper part of the roller supporting inclined plane 111 is fixedly connected with a motor 12, the upper surface of the roller supporting inclined plane is rotatably connected with 2 parallel and parallel oblique carrier rollers 13 through bearings in an upper bearing seat 16 and a lower bearing seat 16 respectively, wherein a carrier roller shaft 131 of 1 carrier roller 13 is in transmission connection with a transmission shaft of the motor 12 through a transmission mechanism 14, and can be called as a driving carrier roller, and the other 1 carrier roller is a driven carrier roller; two ends of the roller 6 to be welded are hooked tightly by the locking hook 4 and the adjusting hook 5 respectively and then transferred to the roller supporting inclined plane 111 by a crane. The motor 12 can be a servo motor, so that the rotating speed of the carrier roller 13 can be stably controlled in an adjustable mode, and the rotating speed is transmitted to the roller 6 to be welded above the carrier roller, so that the technical effect of stably controlling the welding speed is achieved.

The welding process for disassembling the guide eccentric shaft of the roller adjustable lifting and welding device comprises the following steps:

s1, selecting the length of the adjustable suspension chain: as shown in fig. 3, an adjusting hook 5 and a locking hook 4 are respectively hooked at two ends of a roller 6 to be welded, after the roller 6 to be welded is lifted by a crane hook 1, the roller 6 to be welded leaves the ground, because the length of an adjustable hanging chain 3 is greater than that of a fixed-length hanging chain 2, the roller 6 to be welded is in an inclined state, an inclination angle is measured and is consistent with the angle R value of a roller supporting inclined plane 111, if the inclination angle is inconsistent with the angle R value, the adjustable hanging chains 3 with different lengths are replaced, and the lifting is repeated until the inclination angle of the roller 6 to be welded is the R value;

s2, transferring of the roller to be welded: after the roller 6 to be welded in an inclined state is transferred to the position above the roller supporting inclined plane 111 through a travelling crane, a travelling crane lifting hook 1 descends, the roller 6 to be welded stably descends to 2 carrier rollers 13, and an adjusting lifting hook 5 and a locking lifting hook 4 are retracted;

s3, welding of the roller to be welded: starting a motor 12, driving a roller 13 to drive a roller 6 to be welded to rotate, and starting welding at a stable speed along the circumferential surface of the roller 6 to be welded;

s4, replacement: after the roller 6 to be welded is welded, the travelling crane which adjusts the length of the adjustable hanging chain 3 in the step S1 transfers the welded roller to a finished product area, and then the travelling crane replaces another roller 6 to be welded, and the steps are repeated.

Example 2

The basic structure of the roller adjustable lifting and welding device of the embodiment is the same as that of the embodiment 1, and the differences and improvements are as follows: as shown in fig. 5, it further comprises a baffle wheel 15 fixedly connected to the upper surface of the lower portion of the supporting inclined plane 111 of the drum to prevent the drum from sliding off the platform, the axial direction of the baffle wheel facing the drum and rotating at the same speed as the drum. The adjusting lifting hooks 5 are two or more, the length of the adjustable lifting chain is determined through different adjusting lifting hooks, the lifting hooks do not need to be frequently disassembled, and the adjustment is more convenient. The inclination of the inclined carrier roller 13 is consistent with that of the roller supporting inclined plane 111, so that the generation of axial shearing force can be avoided. As shown in fig. 4, the locking hook 4 is detachably hinged with the fixed-length lifting chain 2 through the lock tongue 41, the free end of the lock tongue 41 is higher than the hinge pin and extends into the hook opening of the locking hook 4, and the locking hook is locked through the lock tongue and the hook joint between the rollers to be welded is arranged during lifting, so that super-lifting and transferring are more stable. The lower part of the roller supporting inclined plane 111 is provided with a jack 112, and the catch wheel 15 is inserted into the jack 112 through a connecting rod thereof so as to adapt to rollers with different lengths. Before the roller 6 to be welded is hoisted, the length of the adjustable hoisting chain 3 is determined by the inclination value R of the roller supporting inclined plane 111, the adjusting hoisting hook 5 at the corresponding position is selected according to different roller supporting inclined planes 111, the position of the adjusting hoisting hook can be determined by calculation, and in the corresponding figure 1, the angle value S of the angle A can also be calculated, so that the convenience and labor saving are realized. The transmission mechanism 14 is belt transmission or chain transmission, when using belt transmission, the transmission shaft of motor and bearing roller is circular cambered surface structure, when using chain transmission, the sprocket need be cup jointed to the transmission shaft of motor and bearing roller, selects different transmission forms as required. The length of the roller 6 to be welded is L, the length of the fixed-length sling chain 2 is M, and the length N of the adjustable sling chain 3 is as follows:

the inventor creatively confirms the direct calculation relationship between the length N of the adjustable suspension chain 3 and the gradient value R of the roller supporting inclined plane 111, performs related application, can realize adjustment through simple calculation of a formula, is more convenient and rapid, and obtains unexpected technical effects.

In the welding process of the drum adjustable lifting and welding device, the length of the drum 6 to be welded is 1M, the length of the fixed-length lifting chain 2 is 2M, and the inclination value R of the drum support inclined plane 111 is 30 degrees; the method comprises the following specific steps:

s1, selecting the length of the adjustable suspension chain: substituting the data into a formula to obtain that the length N of the adjustable sling chain 3 is 2.65 m; hanging an adjusting lifting hook 5 at a position 2.65m of the length of the adjustable lifting chain 3; the adjusting hook 5 and the locking hook 4 are respectively hooked at two ends of the roller 6 to be welded tightly, and the angle of the bolt 41 tightly against the roller 6 to be welded is noticed to form a tight locking relation, theoretically, the heavier the roller is, the tighter the lock catch is; after the crane hook 1 lifts, the roller 6 to be welded leaves the ground, and at the moment, the inclination angle of the roller 6 to be welded is 30 degrees;

s2, transferring of the roller to be welded: after the roller 6 to be welded with the inclination angle of 30 degrees is transferred to the position above the roller supporting inclined plane 111 through the travelling crane, the travelling crane lifting hook 1 descends, because the inclination angles of the roller 6 to be welded and the 2 carrier rollers 13 are consistent, the roller 6 to be welded can stably descend to the position between the 2 carrier rollers 13 without descending of one end at stages, and after the roller 6 to be welded descends in one step, the adjusting lifting hook 5, the locking lifting hook 4 and the travelling crane are retracted;

s4, replacement: after the roller 6 to be welded is welded, the travelling crane with the adjustable length of the hanging chain 3 calculated in the step S1 transfers the welded roller to a finished product area, and then the travelling crane replaces another roller 6 to be welded, and the steps are repeated.

Whole handling and welding process convenient operation, laborsaving, efficient, the safe risk is little, and the cylinder above it is transmitted to the rotational speed of the stable adjustable control bearing roller of accessible to realize the technological effect of stable control welding speed, and then realize even welding seam, effectively improve welding efficiency and welding quality.

The present invention and its embodiments have been described above schematically, without limitation, and the utility model can be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The representation in the drawings is only one of the embodiments of the utility model, the actual construction is not limited thereto, and any reference signs in the claims shall not limit the claims concerned. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the present invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the protection scope of the present invention.

Claims

1. The roller adjustable lifting and welding device is characterized by comprising a crane hook (1) hung on a crane, a lifting chain hung on the crane hook (1) and a welding platform (10), wherein the lifting chain is divided into a fixed-length lifting chain (2) and an adjustable lifting chain (3) by taking the crane hook (1) as a boundary, the length of the adjustable lifting chain (3) is greater than that of the fixed-length lifting chain (2), an adjusting lifting hook (5) is hung on the adjustable lifting chain (3), and a locking lifting hook (4) is hung on the fixed-length lifting chain (2);

the welding platform (10) comprises a welding support (11) of a frame structure with a right-angled triangle-shaped cross section, the inclined plane of the right-angled triangle-shaped structure of the welding support (11) is a roller supporting inclined plane (111), the bottom surface of the upper part of the roller supporting inclined plane (111) is fixedly connected with a motor (12), the upper surface of the roller supporting inclined plane is rotatably connected with 2 parallel and parallel obliquely arranged carrier rollers (13) through bearings in an upper bearing seat (16) and a lower bearing seat (16), and carrier roller shafts (131) of 1 carrier roller (13) are in transmission connection with transmission shafts of the motor (12) through transmission mechanisms (14) of the carrier rollers;

two ends of the roller (6) to be welded are respectively hooked tightly by the locking lifting hook (4) and the adjusting lifting hook (5), and then are transferred to the roller supporting inclined plane (111) by a crane.

2. The adjustable drum handling and welding apparatus as set forth in claim 1, further comprising a catch wheel (15) fixedly attached to the lower upper surface of the drum support ramp (111).

3. The adjustable drum lifting and welding device as claimed in claim 2, characterized in that the number of the adjusting hooks (5) is more than two.

4. The adjustable drum handling and welding unit according to claim 2, characterized in that the inclination of the tilted idlers (13) is identical to the drum support ramp (111).

5. The adjustable drum lifting and welding device as claimed in claim 2, wherein the locking hook (4) is detachably hinged to the fixed-length chain (2) through a locking tongue (41), and a free end of the locking tongue (41) is higher than the hinge pin and extends into a hook opening of the locking hook (4).

6. The adjustable drum lifting and welding device as claimed in claim 3, wherein the lower part of the inclined supporting surface (111) of the drum is provided with a jack (112), and the catch wheel (15) is inserted into the jack (112) through a connecting rod thereof.

7. The adjustable roller lifting and welding device as claimed in claim 6, characterized in that before the roller (6) to be welded is lifted, the length of the adjustable lifting chain (3) is determined by the inclination value R of the roller supporting inclined plane (111), and the adjusting lifting hook (5) at the corresponding position is selected according to different roller supporting inclined planes (111).

8. The adjustable drum handling and welding device as set forth in claim 6, characterized in that said transmission mechanism (14) is a belt transmission or a chain transmission.

9. The adjustable drum lifting and welding device as claimed in claim 7, wherein the length of the drum (6) to be welded is L, the length of the fixed-length chain sling (2) is M, and the length N of the adjustable chain sling (3) is: