CN211920661U

CN211920661U - Balance adjusting device of crane end beam

Info

Publication number: CN211920661U
Application number: CN202020458205.5U
Authority: CN
Inventors: 张洪莲; 郭长宇; 杨尊加; 宋柳江; 魏莎
Original assignee: Henan Dafang Heavy Machinery Co Ltd
Current assignee: Henan Dafang Heavy Machinery Co Ltd
Priority date: 2020-04-01
Filing date: 2020-04-01
Publication date: 2020-11-13
Anticipated expiration: 2030-04-01

Abstract

The utility model discloses a balanced adjusting device of hoist end beam, including end beam, extension roof beam and girder, install the lead screw between the both sides inner wall of end beam, the slider is all installed at the both ends of lead screw outer wall, and the inner wall of slider all is provided with the internal thread, the both ends of slider all are provided with the stopper, the extension roof beam is all installed in the outside of end beam both sides, the one end of stopper is all connected in the inner wall of extension roof beam, the installation piece is all installed to one side inner wall of extension roof beam, and installs one side of piece and all install the bolster, the both ends of one side of bolster all are connected with the bracing piece. The utility model discloses an all install the bolster in one side of installation piece, the both ends of one side of bolster all are connected with the bracing piece, and when the extension roof beam shortened to inboard removal, for avoiding device both ends and extension roof beam inner wall to bump, cushioned through the flexible elasticity of bolster, avoided the device to damage.

Description

Balance adjusting device of crane end beam

Technical Field

The utility model relates to a crane equipment technical field specifically is a balance adjustment device of hoist end beam.

Background

More and more enterprises are added into the crane industry along with the continuous development of the crane industry. It is well pointed out that the risks of a work machine include technical risks, supply and demand risks, economic fluctuation risks, and the like. The core technology of the current engineering machinery part products is mainly embodied in the aspects of overall design and technology integration, and if enterprises cannot research and develop new technology, new technology and new products in time to meet the market requirements, the products may face the risk of being eliminated.

The crane mainly comprises a hoisting mechanism, a running mechanism, a luffing mechanism, a slewing mechanism, a metal structure and the like. The hoisting mechanism is a basic working mechanism of the crane, mostly consists of a hanging system and a winch, and also lifts heavy objects through a hydraulic system, the crane is supported by a main beam and an end beam, and the end beam can deviate due to gravity, so that the crane is inclined.

And the existing balance adjusting device for the end beam of the crane does not have the functions of avoiding the end beam from inclining, and facilitating the adjustment of the length of the end beam and the buffering according to the gravity.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a balanced adjusting device of hoist end beam to the current balanced adjusting device of hoist end beam who proposes in solving above-mentioned background art does not have the functional problem of avoiding the end beam slope, being convenient for adjust end beam length and buffering according to gravity.

In order to achieve the above object, the utility model provides a following technical scheme: a balance adjusting device of an end beam of a crane comprises the end beam, an extension beam and a main beam, a screw rod is arranged between the inner walls of the two sides of the end beam, sliding blocks are arranged at the two ends of the outer wall of the screw rod, inner threads are arranged on the inner wall of the sliding block, limiting blocks are arranged at two ends of the sliding block, extension beams are arranged on the outer sides of two sides of the end beam, one end of each limiting block is connected to the inner wall of each extension beam, the inner wall of one side of each extension beam is provided with an installation block, and one side of the mounting block is provided with a buffer member, both ends of one side of the buffer member are connected with supporting rods, the top ends of the extension beams are provided with main beams, and the top end of the main beam is provided with a slideway frame, the upper part of one side of the main beam is provided with a fixed block, the lower part of the fixed block is provided with a clamping groove, the couple is all installed to the both sides of slide frame bottom, and the inboard of draw-in groove is all fixed in to one side of couple bottom.

Preferably, the outer wall of the screw rod is provided with external threads, and the thread directions of the two sides of the outer wall of the screw rod are opposite.

Preferably, the inner walls of the two ends of the end beam are provided with second limiting grooves, and one ends of the limiting blocks penetrate through the second limiting grooves and extend to the outer side of the end beam.

Preferably, the inner walls of the two ends of the extension beam are provided with first limiting grooves, the two ends of the two sides of the end beam are provided with rollers, and one ends of the rollers are fixed on the inner sides of the first limiting grooves.

Preferably, a motor is installed at one end of the end beam, a first gear is installed at the bottom end of the motor, a second gear is installed on the outer wall of the screw rod below the first gear, and the second gear is meshed with the gear block between the first gear.

Preferably, the mounting panel is all installed to the one end of extension roof beam, and the spring is all installed at the both ends of mounting panel one side, one side of spring all is provided with the buffer board.

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

(1) through installing extension roof beam, buffer board, girder, spring, end beam and buffer, when the extension roof beam removed, for avoiding end beam both ends and extension roof beam inner wall bump, cushion through the flexible elasticity of bolster, and remove adjusting position on the extension roof beam through the girder, the girder removed both sides bump, girder one end striking buffer board makes the spring by extrusion deformation, realizes the buffering, avoids the girder to be damaged by the striking.

(2) The device makes first gear rotate through installing motor, extension roof beam, end beam, first gear, second gear, lead screw and slider simultaneously, makes the second gear drive the lead screw and rotate simultaneously, then the slider drives the extension roof beam and removes to opposite direction, adjusts the length of end beam according to gravity to guarantee the balance.

(3) The device is through installing couple, extension roof beam, draw-in groove and end beam simultaneously, through making the couple card in the draw-in groove, locks the position of end beam both ends extension roof beam, avoids the end beam to take place the slope.

Drawings

FIG. 1 is a schematic view of a top-down structure of the device of the present invention;

FIG. 2 is a schematic view of the front view of the device of the present invention;

FIG. 3 is an enlarged schematic view of the structure at the position A of the present invention;

FIG. 4 is an enlarged schematic view of the structure at B of the present invention;

in the figure: 1. a buffer member; 2. mounting blocks; 3. a limiting block; 4. an end beam; 5. a motor; 6. a first gear; 7. a first limit groove; 8. extending the beam; 9. a support bar; 10. a slider; 11. a second limit groove; 12. a second gear; 13. a screw rod; 14. a buffer plate; 15. a spring; 16. a slideway rack; 17. mounting a plate; 18. a main beam; 19. a roller; 20. hooking; 21. a fixed block; 22. a clamping groove.

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 balance adjusting device of an end beam of a crane comprises an end beam 4, an extension beam 8 and a main beam 18, wherein a screw rod 13 is arranged between the inner walls of two sides of the end beam 4;

the outer wall of the screw rod 13 is provided with external threads, and the directions of the threads on the two sides of the outer wall of the screw rod 13 are opposite, so that when the screw rod 13 rotates, the mechanisms at the two ends move towards opposite directions;

the two ends of the outer wall of the screw rod 13 are both provided with sliding blocks 10, the inner wall of each sliding block 10 is provided with internal threads, and the two ends of each sliding block 10 are both provided with limiting blocks 3;

the inner walls of the two ends of the end beam 4 are respectively provided with a second limiting groove 11, one end of the limiting block 3 penetrates through the second limiting grooves 11 and extends to the outer side of the end beam 4, when the end beam is used, the limiting block 3 is driven to move through the sliding block 10, and the limiting block 3 penetrates through the second limiting grooves 11 and simultaneously moves in the second limiting grooves 11;

the outer sides of the two sides of the end beam 4 are both provided with an extension beam 8, and one end of the limiting block 3 is connected to the inner wall of the extension beam 8;

when the extension beam 8 moves outwards or inwards in use, the roller 19 rolls in the first limiting groove 7, so that the extension beam 8 is ensured to translate;

one end of the end beam 4 is provided with a motor 5, the model of the motor 5 can be Y315M-2, the bottom end of the motor 5 is provided with a first gear 6, the outer wall of the screw rod 13 below the first gear 6 is provided with a second gear 12, the second gear 12 is meshed with the gear block between the first gear 6, through the work of the motor 5, the motor 5 enables the first gear 6 to rotate, and the first gear 6 is meshed with the gear block of the second gear 12, so that the second gear 12 drives the screw rod 13 to rotate simultaneously;

the mounting block 2 is mounted on the inner wall of one side of the extension beam 8, the buffer 1 is mounted on one side of the mounting block 2, the support rods 9 are connected to two ends of one side of the buffer 1, the main beam 18 is mounted on the top end of the extension beam 8, the slide way frame 16 is mounted on the top end of the main beam 18, the fixed block 21 is arranged above one side of the main beam 18, the clamping groove 22 is formed below the fixed block 21, the hooks 20 are mounted on two sides of the bottom end of the slide way frame 16, and one side of the bottom end of each hook 20 is fixed to the inner side of the clamping groove 22;

when the main beam 18 moves to two ends, one end of the main beam 18 impacts the buffer plate 14 to enable the spring 15 to be extruded and deformed, so that the buffer effect is realized, and the main beam 18 is prevented from being damaged by impact;

the single chip microcomputer in the controller is electrically connected with the motor 5 through a lead.

The working principle is as follows: when the length-adjustable end beam is used, the length of the end beam 4 is adjusted according to gravity, so that balance is guaranteed, the motor 5 enables the first gear 6 to rotate through the work of the motor 5, the first gear 6 is meshed with the second gear 12, so that the second gear 12 drives the screw rod 13 to rotate simultaneously, opposite threads are arranged on two sides of the outer wall of the screw rod 13, when the screw rod 13 rotates, the slide block 10 drives the extension beam 8 to move in opposite directions, the length of the end beam 4 is adjusted, and the balance of the end beam 4 is guaranteed;

when the extension beam 8 moves inwards and shortens, in order to avoid collision between the two ends of the end beam 4 and the inner wall of the extension beam 8, the extension beam is buffered through the telescopic elasticity of the buffer part 1, so that the device is prevented from being damaged;

the main beam 18 moves on the extension beam 8 to adjust the position, when the main beam 18 moves to two ends, one end of the main beam 18 impacts the buffer plate 14, so that the spring 15 is extruded and deformed, the buffer effect is realized, and the main beam 18 is prevented from being damaged by impact;

the position of the extension beams 8 at both ends of the end beam 4 is locked by clamping the hook 20 in the clamping groove 22, so that the end beam 4 is prevented from being deviated.

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 balanced adjusting device of hoist end beam, includes end beam (4), extension roof beam (8) and girder (18), its characterized in that: install lead screw (13) between the both sides inner wall of end beam (4), slider (10) are all installed at the both ends of lead screw (13) outer wall, and the inner wall of slider (10) all is provided with the internal thread, the both ends of slider (10) all are provided with stopper (3), extension roof beam (8) are all installed in the outside of end beam (4) both sides, the one end of stopper (3) all is connected in the inner wall of extension roof beam (8), installation piece (2) are all installed to one side inner wall of extension roof beam (8), and install one side of piece (2) and all install bolster (1), the both ends of one side of bolster (1) all are connected with bracing piece (9), girder (18) are all installed on the top of extension roof beam (8), and slide frame (16) are installed on the top of girder (18), the top of girder (18) one side all is provided with fixed block (21), and the below of fixed block (21) all is provided with draw-in groove (22), couple (20) are all installed to the both sides of slide frame (16) bottom, and the inboard of draw-in groove (22) is all fixed in to one side of couple (20) bottom.

2. The balance adjusting device of the crane end beam as claimed in claim 1, wherein: the outer wall of the screw rod (13) is provided with external threads, and the thread directions of the two sides of the outer wall of the screw rod (13) are opposite.

3. The balance adjusting device of the crane end beam as claimed in claim 1, wherein: the both ends inner wall of end roof beam (4) all is provided with second spacing groove (11), the outside that second spacing groove (11) extended to end roof beam (4) is all run through to the one end of stopper (3).

4. The balance adjusting device of the crane end beam as claimed in claim 1, wherein: the inner walls of the two ends of the extension beam (8) are provided with first limiting grooves (7), the two ends of the two sides of the end beam (4) are provided with idler wheels (19), and one ends of the idler wheels (19) are fixed on the inner sides of the first limiting grooves (7).

5. The balance adjusting device of the crane end beam as claimed in claim 1, wherein: motor (5) are installed to the one end of end beam (4), and first gear (6) are installed to the bottom of motor (5), second gear (12) are installed to the outer wall of first gear (6) below lead screw (13), and the tooth piece intermeshing between second gear (12) and first gear (6).

6. The balance adjusting device of the crane end beam as claimed in claim 1, wherein: mounting panel (17) are all installed to the one end of extension roof beam (8), and spring (15) are all installed at the both ends of mounting panel (17) one side, one side of spring (15) all is provided with buffer board (14).