CN211920702U

CN211920702U - Span-adjustable beam lifting machine

Info

Publication number: CN211920702U
Application number: CN202020444691.5U
Authority: CN
Inventors: 郭长宇; 李欣雨; 冯俊; 郭仕超; 宋柳江
Original assignee: Henan Dafang Heavy Machinery Co Ltd
Current assignee: Henan Dafang Heavy Machinery Co Ltd
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2020-11-13
Anticipated expiration: 2030-03-31

Abstract

The utility model discloses a bale lifter with adjustable span, include girder, landing leg, snatch mechanism and first lifting hook, the both ends of girder bottom all are fixed with the landing leg, and the bottom of landing leg all is provided with the base, the bottom of base evenly is provided with the walking wheel, the inside of base evenly is provided with the loading board through the bolster, and the bottom fixed connection of loading board and landing leg, the bottom of girder is provided with the recess, and the inside of recess is fixed with the bull stick, the bottom mounting of rope has snatchs the mechanism, and all overlaps on putting a rope section of thick bamboo of rope both sides has the spacing ring. The utility model discloses an install girder, recess, bull stick, movable sleeve, first motor, support body, put a rope section of thick bamboo, rope, snatch mechanism and second motor, be convenient for snatch the beam structure of different width specifications, satisfy multiple work demand, all be provided with the spacing ring on putting a rope section of thick bamboo of rope both sides, can fix the rope spacing, avoid the off tracking to shift.

Description

Span-adjustable beam lifting machine

Technical Field

The utility model relates to a bale lifter technical field specifically is a span-adjustable bale lifter.

Background

The girder lifting machine is a portal crane specially designed for bridge construction, is easy to disassemble, assemble and transport, is convenient and quick to install, economical and practical compared with a common portal crane, and is suitable for road and bridge construction units which frequently flow, but most of the existing girder lifting machines have simple structures and single functions, and particularly have the following problems;

1. the lifting span of the existing beam lifting machine is not beneficial to adjustment, the beam structures with different width specifications cannot be grabbed and lifted, and the beam lifting machine has limitations in use;

2. the grabbing mechanism of the existing beam lifting machine is mostly a simple hook, is not stable enough, is easy to loosen and is low in safety;

3. the stability of current handle machine when flowing walking is relatively poor, leads to this type of handle machine to take place to rock easily because the road surface is unsmooth.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a handle machine with adjustable span to the lift span of proposing is unfavorable for adjusting in solving above-mentioned background art, when lifting by crane the security lower and flow the not good problem of stability.

In order to achieve the above object, the utility model provides a following technical scheme: a span-adjustable beam lifting machine comprises a main beam, supporting legs, a grabbing mechanism and a first lifting hook, wherein the supporting legs are fixed at two ends of the bottom of the main beam, a base is arranged at the bottom end of each supporting leg, walking wheels are uniformly arranged at the bottom of the base, a bearing plate is uniformly arranged in the base through a buffer part and is fixedly connected with the bottom of each supporting leg, a groove is formed in the bottom of the main beam, a rotating rod is fixed in the groove, a first motor is fixed in the main beam on one side of the groove, the output end of the first motor is connected with the rotating rod, two ends of the rotating rod are sleeved with movable sleeves, a frame body is fixed at the bottom end of each movable sleeve, a rope releasing cylinder is fixed between the frame bodies, a second motor is fixed at one side of the frame body, the output end of the second motor is connected with the rope releasing cylinder through a rolling shaft, and ropes are wound at two ends of the rope releasing, the bottom of the rope is fixed with a grabbing mechanism, and the rope placing cylinders on the two sides of the rope are sleeved with limiting rings.

Preferably, be provided with 2 relative flanks on the bull stick, the inner wall of movable sleeve all is provided with flank assorted internal thread, is convenient for adjust the interval of movable sleeve, and then adjusts the span of snatching the mechanism.

Preferably, one side of landing leg all is provided with the climbing pole, and all wraps up on the climbing pole has anti-skidding rubber, and the workman of being convenient for overhauls and maintains.

Preferably, the one end of snatching the mechanism inside all articulates there is first lifting hook, and snatchs the other end of mechanism inside all articulates there is the second lifting hook, the top of snatching the mechanism inside all is fixed with electric putter, and electric putter's output all is connected with first lifting hook through the connecting rod for it is inseparabler firm with being connected of structural rings of roof beam, be convenient for improve the steadiness that snatchs the mechanism and lift by crane, improve the security of during operation.

Preferably, the first lifting hook is provided with a first gear, the second lifting hook is provided with a second gear, and the second gear is meshed with the first gear, so that the grabbing mechanism can be driven to open and close conveniently, and the operation is simple.

Preferably, the bolster includes support, moving part and reset spring, the inside of support evenly is provided with the moving part through reset spring, and the top of moving part all with the bottom fixed connection of loading board, improves device stability.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) this handle machine with adjustable span is through installing the girder, a groove, the bull stick, the movable sleeve, first motor, the support body, put a rope section of thick bamboo, the rope, snatch mechanism and second motor, it is rotatory to make first motor drive the bull stick, the both ends of bull stick all are provided with two relative flanks, the inner wall of movable sleeve all is provided with the internal thread with flank assorted, make to drive two movable sleeves and be close to each other or part, and then drive the support body and snatch the mechanism and carry out the regulation of span, later the rope section of thick bamboo rotation is put in the drive of second motor, put down the rope, be convenient for snatch the beam structure of different width specifications, satisfy multiple work demand, all be provided with the spacing ring on putting the rope section of thick bamboo of rope both sides, can fix spacingly to the rope, avoid the off tracking aver.

(2) This handle machine with adjustable span snatchs the mechanism through installing, first lifting hook, the second lifting hook, first gear, the second gear, connecting rod and electric putter, electric putter drives first lifting hook through promoting the connecting rod and rotates, be provided with first gear on the first lifting hook, be provided with the second gear on the second lifting hook, first gear and second gear interlock, when first lifting hook rotates, the also corresponding rotation of second lifting hook, and then realize snatching opening or being closed of mechanism, make with the structural rings's of roof beam be connected inseparabler firm, be convenient for improve the steadiness that snatchs the mechanism and lift by crane, the security of during operation is improved, simple structure simultaneously, do benefit to control.

(3) This handle machine with adjustable span is through installing the base, the loading board, walking wheel and bolster, the inside of bolster evenly is provided with the moving part through reset spring, the top of moving part all with the bottom fixed connection of loading board, if this handle machine jolts and causes vibrations because of the uneven production in road surface when walking, the vibrations power makes the landing leg push down the loading board, the loading board extrudees the moving part downwards, make the moving part compress reset spring in the support, absorb partly vibrations power through reset spring's flexible resilience, play the effect of shock attenuation bradyseism, improve the stability when this handle machine flows the walking.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a schematic view of the sectional structure of the gripping mechanism of the present invention;

fig. 3 is a schematic side view of the cross-sectional structure of the present invention;

fig. 4 is a schematic sectional view of the buffer of the present invention.

In the figure: 1. a main beam; 2. a movable sleeve; 3. a groove; 4. a rotating rod; 5. a frame body; 6. a first motor; 7. a support leg; 8. a base; 9. a traveling wheel; 10. a second motor; 11. a limiting ring; 12. releasing a rope drum; 13. a rope; 14. a grabbing mechanism; 15. an electric push rod; 16. a second hook; 17. a second gear; 18. a first gear; 19. a first hook; 20. a connecting rod; 21. climbing a pole; 22. a buffer member; 2201. a support; 2202. a movable member; 2203. a return spring; 23. a carrier plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a span-adjustable beam lifting machine comprises a main beam 1, supporting legs 7, a grabbing mechanism 14 and a first lifting hook 19, wherein the supporting legs 7 are fixed at two ends of the bottom of the main beam 1, climbing rods 21 are arranged on one sides of the supporting legs 7, and anti-skid rubber is wrapped on the climbing rods 21;

the lifting beam machine is convenient for workers to climb to overhaul and maintain, the anti-skid rubber can increase the friction force, and the slipping of the soles of the workers and the danger are avoided;

the bottom ends of the supporting legs 7 are respectively provided with a base 8, the bottom of the base 8 is uniformly provided with walking wheels 9, the interior of the base 8 is uniformly provided with a bearing plate 23 through a buffer 22, the buffer 22 comprises a support 2201, a moving part 2202 and a return spring 2203, the interior of the support 2201 is uniformly provided with the moving part 2202 through the return spring 2203, and the top end of the moving part 2202 is fixedly connected with the bottom of the bearing plate 23;

if the girder lifting machine shakes due to jolt caused by uneven road surface during walking, the supporting leg 7 presses the bearing plate 23 by the vibration force, the bearing plate 23 downwards extrudes the buffer 22 to enable the moving part 2202 to compress the reset spring 2203 in the support 2201, and a part of vibration force is absorbed by the telescopic resilience of the reset spring 2203 to play a role in damping and cushioning, so that the stability of the girder lifting machine during flow walking is improved;

the bearing plate 23 is fixedly connected with the bottoms of the supporting legs 7, the bottom of the main beam 1 is provided with a groove 3, a rotating rod 4 is fixed inside the groove 3, a first motor 6 is fixed inside the main beam 1 at one side of the groove 3, the output end of the first motor 6 is connected with the rotating rod 4, two ends of the rotating rod 4 are both sleeved with movable sleeves 2, the bottom end of each movable sleeve 2 is fixed with a frame body 5, a rope releasing cylinder 12 is fixed between the frame bodies 5, one side of each frame body 5 is fixed with a second motor 10, the output end of the second motor 10 is connected with the rope releasing cylinder 12 through a rolling shaft, two ends of the rope releasing cylinder 12 are both wound with ropes 13, the bottom end of each rope 13 is fixed with a grabbing mechanism 14, one end inside the grabbing mechanism 14 is hinged with a first lifting hook 19, the other end inside the grabbing mechanism 14 is hinged with a second lifting hook 16, the top end inside the grabbing mechanism 14 is fixed with an electric push rod 15, and the output end of the electric push rod 15 is, a first gear 18 is arranged on the first hook 19, a second gear 17 is arranged on the second hook 16, and the second gears 17 are meshed with the first gear 18;

the electric push rod 15 pushes the connecting rod 20 to drive the first lifting hook 19 to rotate, the first lifting hook 19 is provided with a first gear 18, the second lifting hook 16 is provided with a second gear 17, the first gear 18 is meshed with the second gear 17, when the first lifting hook 19 rotates, the second lifting hook 16 also correspondingly rotates, and then the grabbing mechanism 14 is opened or closed, so that the connection with a lifting ring on a beam structure is tighter and firmer, the lifting stability of the grabbing mechanism 14 is improved, and the safety during working is improved;

the rope releasing cylinders 12 on the two sides of the rope 13 are sleeved with the limiting rings 11, so that the rope 13 can be fixed and limited, and deviation and displacement are avoided;

be provided with 2 relative flanks on the bull stick 4, the inner wall of movable sleeve 2 all be provided with flank assorted internal thread, first motor 6 drives bull stick 4 rotatory for drive two movable sleeves 2 and be close to each other or part, and then drive support body 5 and snatch mechanism 14 and carry out the regulation of span, be convenient for snatch the beam structure of different width specifications, satisfy multiple work demand.

The working principle is as follows: when the device is used, the first motor 6 drives the rotating rod 4 to rotate, two opposite thread surfaces are arranged at two ends of the rotating rod 4, internal threads matched with the thread surfaces are arranged on the inner walls of the movable sleeves 2, so that the two movable sleeves 2 are driven to mutually approach or separate, the frame body 5 and the grabbing mechanism 14 are driven to adjust the span, beam structures with different width specifications can be conveniently grabbed, various working requirements are met, then the second motor 10 drives the rope placing barrel 12 to rotate, the rope 13 is put down, the electric push rod 15 pushes the connecting rod 20 to drive the first lifting hook 19 to rotate, the first lifting hook 19 is provided with the first gear 18, the second lifting hook 16 is provided with the second gear 17, the first gear 18 is meshed with the second gear 17, when the first lifting hook 19 rotates, the second lifting hook 16 correspondingly rotates, opening or closing of the grabbing mechanism 14 is further realized, and connection with a lifting ring on the beam structure is tighter and firmer, the steadiness that the mechanism 14 of grabbing lifted by crane has been convenient for to have improved, improve the security of during operation, in addition, if this lifting beam machine jolts because of the unsmooth production in road surface and causes vibrations, the vibrations power makes landing leg 7 push down loading board 23, loading board 23 extrudes bolster 22 downwards, impel moving part 2202 compression reset spring 2203 in support 2201, absorb some vibrations power through the flexible resilience of reset spring 2203, play the effect of shock attenuation bradyseism, stability when improving this lifting beam machine and flow the walking.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a span adjustable bale lifting machine, includes girder (1), landing leg (7), snatchs mechanism (14) and first lifting hook (19), its characterized in that: the rope storage rack is characterized in that supporting legs (7) are fixed at two ends of the bottom of the main beam (1), a base (8) is arranged at the bottom end of each supporting leg (7), walking wheels (9) are uniformly arranged at the bottom of each base (8), a bearing plate (23) is uniformly arranged in each base (8) through a buffer piece (22), the bearing plates (23) are fixedly connected with the bottom of the corresponding supporting leg (7), a groove (3) is formed in the bottom of each main beam (1), a rotating rod (4) is fixed in each groove (3), a first motor (6) is fixed in each main beam (1) on one side of each groove (3), the output end of each first motor (6) is connected with the corresponding rotating rod (4), movable sleeves (2) are sleeved at two ends of each rotating rod (4), a rack body (5) is fixed at the bottom ends of the movable sleeves (2), a rope storage barrel (12) is fixed between the rack bodies (5), and one side of support body (5) all is fixed with second motor (10), the output of second motor (10) passes through the roller bearing and puts a rope section of thick bamboo (12) and be connected, and the both ends of putting a rope section of thick bamboo (12) all twine and have rope (13), the bottom mounting of rope (13) has snatchs mechanism (14), and all overlaps on putting a rope section of thick bamboo (12) of rope (13) both sides and have spacing ring (11).

2. A span adjustable bailing machine according to claim 1, wherein: the rotating rod (4) is provided with 2 opposite thread surfaces, and the inner wall of the movable sleeve (2) is provided with internal threads matched with the thread surfaces.

3. A span adjustable bailing machine according to claim 1, wherein: one side of landing leg (7) all is provided with climbing rod (21), and all wraps up on climbing rod (21) has anti-skidding rubber.

4. A span adjustable bailing machine according to claim 1, wherein: snatch the inside one end of mechanism (14) and all articulate there is first lifting hook (19), and snatch the inside other end of mechanism (14) and all articulate there is second lifting hook (16), the top of snatching the inside of mechanism (14) all is fixed with electric putter (15), and electric putter's (15) output all is connected with first lifting hook (19) through connecting rod (20).

5. A span adjustable beam lifter according to claim 4, characterized in that: the first lifting hook (19) is provided with a first gear (18), the second lifting hook (16) is provided with a second gear (17), and the second gear (17) is meshed with the first gear (18).

6. A span adjustable bailing machine according to claim 1, wherein: the buffer piece (22) comprises a support (2201), a movable piece (2202) and a return spring (2203), the movable piece (2202) is uniformly arranged in the support (2201) through the return spring (2203), and the top end of the movable piece (2202) is fixedly connected with the bottom of the bearing plate (23).