CN214989810U - Crane convenient to adjust - Google Patents

Abstract

The utility model discloses a crane convenient to adjust, which comprises a vertical frame, a longitudinal beam and a cross beam, wherein the longitudinal beam is fixed on the vertical frame, the cross beam is arranged between the longitudinal beams, and the cross beam is provided with a hoisting trolley and a controller in a sliding manner; be equipped with the spout on the longeron, be equipped with the slide rail in the spout, the spout middle part is equipped with first gear and fourth gear, first gear and fourth gear both sides are equipped with the rack and pinion mechanism of gomphosis in the slide rail respectively, first gear connection has the power assembly, the crossbeam is fixed connection respectively on first rack and second rack, the controller middle part is connected through the soft area, the dovetail structure of looks adaptation is seted up to perpendicular frame and support, the bottom of perpendicular frame dovetail is equipped with the gyro wheel, open the track that has with the adaptation gyro wheel bottom the support dovetail, this hoist passes through the rack and pinion mechanism and adjusts the interval of two crossbeams, and the support that sets up and perpendicular frame pass through the dovetail slidingtype connection, thereby realize crossbeam interval and perpendicular frame synchro control.

Description

Crane convenient to adjust

Technical Field

The utility model relates to a hoist, concretely relates to convenient hoist of adjusting.

Background

The bridge frame of the bridge crane runs longitudinally along the rails laid on the elevated frames at two sides, so that the space below the bridge frame can be fully utilized to hoist materials, the bridge frame is not hindered by ground equipment, and the bridge crane is a crane with the widest application range and the largest quantity. A bridge crane, also called crown block, runs on an elevated track. The bridge frame of the bridge crane runs longitudinally along the rails laid on the elevated frames at two sides, and the trolley runs transversely along the rails laid on the bridge frame to form a rectangular working range, so that the space below the bridge frame can be fully utilized to hoist materials without being hindered by ground equipment. Such cranes are widely used in indoor and outdoor warehouses, factories, docks, open storage yards, and the like.

The bridge structure consists of main beams and end beams and is divided into a single-main-beam bridge and a double-beam bridge. The double-beam bridge frame consists of two main beams and two end beams. The main beam is rigidly connected with the end beam, and wheels are arranged at two ends of the end beam and are used for supporting the bridge to run on the elevated frame. The main beam is welded with a track for the trolley to run. Two girder intervals of present double-beam bridge crane can not be adjusted, are difficult to the handling of broad object, even if reluctant handling, because the fixed spacing is narrow rocks easily on the way in the handling, have great handling risk.

SUMMERY OF THE UTILITY MODEL

To the technical problem, the utility model provides a convenient hoist of adjusting.

In order to realize the purpose, the utility model discloses the technical scheme who takes is:

a crane convenient to adjust comprises four vertical frames, two longitudinal beams and two cross beams, wherein the four vertical frames are vertically and symmetrically arranged, the two longitudinal beams are fixed on the four vertical frames, the two cross beams are arranged between the two longitudinal beams, and a hoisting trolley and a control machine are arranged between the two cross beams in a sliding manner; the two longitudinal beams are provided with sliding grooves, sliding rails are arranged in the sliding grooves, the middle parts of the sliding grooves are rotatably provided with a first gear and a fourth gear which are meshed with each other, a first rack which is embedded in the sliding rails is arranged at the bottom of the sliding grooves and located on the other side of the first gear, a second rack which is embedded in the sliding rails is arranged at the bottom of the sliding grooves and located on the other side of the fourth gear, the first gear is connected with a power assembly, a second gear is meshed with the other side of the first gear, the second gear is meshed with the first rack, a third gear is meshed with the other side of the fourth gear, the third gear is meshed with the second rack, the two cross beams are respectively and fixedly connected to the first rack and the second rack, the middle parts of the control machine are connected through soft belts, and an electric hydraulic oil cylinder is connected between the two cross beams; the support is characterized in that the support is further provided with two supports, dovetail groove structures matched with the supports are formed in the vertical frame and the supports, rollers are arranged at the bottom of the dovetail groove of the vertical frame, tracks matched with the rollers are formed in the bottom of the dovetail groove of the support, through holes are formed in the supports and the side faces of the vertical frame, and fasteners are connected in the through holes.

Further, in the above conveniently-adjusted crane, the through hole is a threaded hole, and the corresponding fastener is a screw or a bolt.

Further, in the crane convenient to adjust, pulleys are arranged at the bottoms of the first rack and the second rack embedded sliding rail.

Further, the power assembly of the crane convenient to adjust comprises a rotating shaft, a speed reducer and a motor.

The embodiment of the utility model provides a beneficial is: the crane can adjust the distance between the two crossbeams through the gear rack mechanism, adjust the distance between the two crossbeams through the auxiliary two crossbeams of the standby hydraulic oil cylinder, and the support and the vertical frame which are arranged are connected in a sliding mode through the dovetail groove, so that the synchronous adjustment of the crossbeam distance and the vertical frame can be realized, the normal use of the crane is met after the adjustment, and the application range of the lifting materials can be widened.

Drawings

To more clearly illustrate the technical solutions of the embodiments of the present disclosure, the drawings of the embodiments will be briefly introduced below, and it is apparent that the drawings in the following description relate only to some embodiments of the present disclosure and are not limiting to the present disclosure.

FIG. 1 is a front view of the crane of the present invention, which is convenient to adjust;

FIG. 2 is a top view of the adjustable crane of the present invention;

FIG. 3 is an enlarged view of FIG. 1A;

FIG. 4 is an enlarged view of FIG. 1B;

fig. 5 is an enlarged view of fig. 2C.

Reference numerals in the drawings of the specification include: the device comprises a vertical frame 1, a first longitudinal beam 2, a second longitudinal beam 3, a first cross beam 4, a second cross beam 5, a crane trolley 6, a control machine 7, a sliding groove 8, a sliding rail 9, a first gear 10aa, a rotating shaft 11, a motor 12, a second gear 13, a third gear 14, a fourth gear 10b, a first rack 15, a second rack 16, a soft belt 17, an electric hydraulic oil cylinder 18, a support 19, a dovetail groove 20, a roller 21, a rail 22, a through hole 23, a fastener 24 and a pulley 25.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be described clearly and completely with reference to the drawings of the embodiments of the present disclosure. It is to be understood that the described embodiments are only a few embodiments of the present disclosure, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the disclosure without any inventive step, are within the scope of protection of the disclosure.

As shown in fig. 1-5;

the scheme provides a crane convenient to adjust, which comprises four vertical frames 1, a first longitudinal beam 2, a second longitudinal beam 3, a first cross beam 4 and a second cross beam 5, wherein the four vertical frames 1 are vertically and symmetrically arranged into two groups, each group of two vertical frames 1 is provided with the first longitudinal beam 2 and the second longitudinal beam 3 which are fixed on the two groups formed by the four vertical frames 1, the first cross beam 4 and the second cross beam 5 are arranged between the first longitudinal beam 2 and the second longitudinal beam 3, and a hoisting trolley 6 and a control machine 7 are arranged between the first cross beam 4 and the second cross beam 5 in a sliding manner; the first longitudinal beam 2 and the second longitudinal beam 3 are provided with sliding chutes 8, the first cross beam 4 and the second cross beam 5 are provided with wheels near the ends, the wheels are supported to move in the sliding chutes 8, meanwhile, sliding rails 9 are arranged in the sliding chutes 8, the middle part of the sliding chutes 8 is rotatably provided with a first gear 10a and a fourth gear 10b which are meshed with each other, the bottom of the sliding chutes 8 is positioned at the other side of the first gear 10a and is provided with a first rack 15 which is embedded in the sliding rails 9, the bottom of the sliding chutes 8 is positioned at the other side of the fourth gear 10b and is provided with a second rack 16 which is embedded in the sliding rails 9, the first gear 10a is connected with a power assembly, the specific power assembly comprises a rotating shaft 11, a speed reducer and a motor 12, the other side of the first gear 10a is meshed with the second gear 13, the second gear 13 is meshed with the first rack 15, the other side of the fourth gear 10b is meshed with the third gear 14, the third gear 14 is meshed with the second rack 16, the ends of the first cross beam 4 and the second cross beam 5 are respectively fixedly connected with the first rack 15 and the second rack 16, the middle parts of the control machines 7 are connected through a soft belt 17, the soft belt can be an expansion belt, and an electric hydraulic oil cylinder 18 is connected between the first beam 4 and the second beam 5; still be equipped with two supports 19, the dovetail 20 structure of looks adaptation is seted up to vertical frame 1 and support 19, the bottom of vertical frame 1 dovetail 20 is equipped with gyro wheel 21, can realize vertical frame 1 slidingtype and support 19 cooperation, support 19 dovetail 20 bottom is opened have with the track 22 of adaptation gyro wheel 21, can inject the walking direction of gyro wheel 21, can improve vertical frame 1 gliding stability on support 19, support 19 and the side of vertical frame 1 have seted up through-hole 23, be connected with fastener 24 in the through-hole 23, preferably, through-hole 23 sets up to the screw hole, corresponding fastener 24 can reuse screw or bolt, adopt threaded fastening, the fastening is firm convenient, when need not removing vertical frame 1, accessible fastener 24 spreads into support 19 and fixes in vertical frame 1's through-hole 23.

When the crane is used for hoisting conventional objects, the rectangular working range is realized only by controlling the first cross beam 4 and the second cross beam 5 to slide on the first longitudinal beam 2 and the second longitudinal beam 3 through the wheels and synchronously controlling the trolley 6 to move on the first cross beam 4 and the second cross beam 5 through the controller 7, so that the space below the bridge can be fully utilized for hoisting materials without being hindered by ground equipment; when a wide-distance object needs to be hoisted, the motor 12 is started, the motor 12 drives the rotating shaft 11 to rotate, so that the first gear 10a drives the second gear 13 and the fourth gear 10b which are meshed with the first gear to rotate, the second gear 13 and the fourth gear 10b rotate in the same direction and are opposite to the direction of the first gear 10a, meanwhile, the fourth gear 10b drives the third gear 14 to rotate, the third gear 14 and the fourth gear 10b rotate in opposite directions, namely, the second gear 13 and the third gear 14 rotate in opposite directions, the first rack 15 and the second rack 16 move in opposite directions under the driving of the motor 12, and as the end parts of the first beam 4 and the second beam 5 are respectively connected to the two side surfaces of the first gear 10a and the second gear 13, the distance between the first beam 4 and the second beam 5 is adjusted under the driving of the first rack 15 and the second rack 16. And the electric hydraulic oil cylinder 18 can be used as a standby drive to adjust the distance between the first cross beam 4 and the second cross beam 5, and can adjust the distance between the wide first cross beam 4 and the wide second cross beam 5 to one side.

This hoist's perpendicular frame 1 and support 19 pass through dovetail 20 formula cooperation, and perpendicular 1 forked tail bottom sets up gyro wheel 21, and support 19 dovetail 20 is provided with the slide of cooperation gyro wheel 21 to can slide perpendicular frame 1 to suitable position according to the work needs, adjust and fix support 19 and perpendicular frame 1 in penetrating through-hole 23 through fastener 24 after accomplishing, simple structure, regulation are comparatively convenient.

As shown in fig. 3; preferably, a pulley 25 is arranged at the bottom of the sliding rail 9 for the embedding of the first rack 15 and the second rack 16, the movement of the pulley 25 can reduce the friction force between the first rack 15 and the sliding groove 8 when the second rack 16 moves, and the distance between the first beam 4 and the second beam 5 can be adjusted more stably and quickly.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims (4)

1. A crane convenient to adjust comprises four vertical frames (1), two longitudinal beams and two cross beams, wherein the four vertical frames (1) are vertically and symmetrically arranged, the two longitudinal beams are fixed on the four vertical frames (1), the two cross beams are arranged between the two longitudinal beams, and a hoisting trolley (6) and a control machine (7) are arranged between the two cross beams in a sliding manner; the method is characterized in that: the two longitudinal beams are provided with sliding chutes (8), sliding rails (9) are arranged in the sliding chutes (8), the middle parts of the sliding chutes (8) are rotatably provided with a first gear (10a) and a fourth gear (10b) which are meshed with each other, the bottom of the sliding chute (8) is positioned at the other side of the first gear (10a) and is provided with a first rack (15) which is embedded in the sliding rails (9), the bottom of the sliding chute (8) is positioned at the other side of the fourth gear (10b) and is provided with a second rack (16) which is embedded in the sliding rails (9), the first gear (10a) is connected with a power assembly, the other side of the first gear (10a) is meshed with a second gear (13), the second gear (13) is meshed with the first rack (15), the other side of the fourth gear (10b) is meshed with a third gear (14), the third gear (14) is meshed with the second rack (16), the two cross beams are fixedly connected to the first rack (15) and the second rack (16) respectively, the middle part of the control machine (7) is connected through a soft belt (17), and an electric hydraulic oil cylinder (18) is connected between the two cross beams; still be equipped with two supports (19), erect frame (1) and support (19) and set up dovetail (20) structure of looks adaptation, the bottom of erecting frame (1) dovetail (20) is equipped with gyro wheel (21), open track (22) that have with gyro wheel (21) adaptation bottom support (19) dovetail (20), through-hole (23) have been seted up to support (19) and the side of erecting frame (1), through-hole (23) in-connection have fastener (24).

2. The adjustable crane of claim 1 wherein: the through holes (23) are threaded holes, and the corresponding fasteners (24) are screws or bolts.

3. An adjustable crane according to claim 1 or 2, wherein: and pulleys (25) are arranged at the bottoms of the first rack (15) and the second rack (16) which are embedded into the sliding rail (9).

4. The adjustable crane of claim 3 wherein: the power assembly comprises a rotating shaft (11), a speed reducer and a motor (12).

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