CN211664603U

CN211664603U - Cantilever sliding type crane

Info

Publication number: CN211664603U
Application number: CN201922222415.4U
Authority: CN
Inventors: 吕景
Original assignee: Shanghai Jingzun Intelligent Equipment Co ltd
Current assignee: Shanghai Jingzun Intelligent Equipment Co ltd
Priority date: 2019-12-12
Filing date: 2019-12-12
Publication date: 2020-10-13
Anticipated expiration: 2029-12-12

Abstract

The utility model relates to a cantilever crane technical field, in particular to cantilever slidingtype hoist. It includes the stand, still includes actuating mechanism, cantilever, sliding construction, rotary device, hoisting device and base, actuating mechanism is located the left end of cantilever, and hoisting device installs the right-hand member at the cantilever, cantilever slidable mounting is on sliding construction, sliding construction and rotary device fixed connection, rotary device passes through flange A and stand fixed connection, the column mouting is on the base, and actuating mechanism is connected with hoisting device, drives hoisting device promotes the heavy object. The utility model discloses to hang the wall and install on sliding structure, set up rotary device below the sliding structure, the cantilever can radial back-and-forth movement like this, also rotates around rotary device, and the cantilever can all rotate around the center post at any point in effective work area, has solved article when being close to the cantilever center post, rotates the problem of difficulty, and simple structure, and the operation is got up simply and conveniently, laborsaving.

Description

Cantilever sliding type crane

Technical Field

The utility model relates to a cantilever crane technical field, in particular to cantilever slidingtype hoist.

Background

The cantilever crane mainly achieves the purpose of hoisting the goods by matching the rotation of the suspension arm with the left and right movement of the lifting hook and the lifting of the lifting hook, is flexible in use and action, and meets various loading and unloading requirements. The cantilever cranes in common use today are cantilever cranes and jack-up cranes. The structure of the equipment is that the root of a cantilever is fixedly connected with a central column structure, the cantilever rotates around the central column in a centering way, and the cantilever cannot slide along the radial direction, so when an object is close to the central column of the cantilever, the object is difficult to rotate.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the utility model provides a cantilever slidingtype hoist to overcome the traditional cantilever type hoist that prior art exists and when article were being close to the cantilever center post, rotate the problem of difficulty, and simple structure, specially adapted need be with hoist mechanism fixed mounting's mode.

The above technical problem of the present invention can be solved by the following technical solutions: the utility model provides a cantilever slidingtype hoist, includes the stand, still includes actuating mechanism, cantilever, sliding construction, rotary device, hoisting device and base, actuating mechanism is located the left end of cantilever, and hoisting device installs the right-hand member at the cantilever, cantilever slidable mounting is on sliding construction, sliding construction and rotary device fixed connection, rotary device passes through flange A and stand fixed connection, column mouting is on the base, and actuating mechanism is connected with hoisting device, the drive hoisting device promotes the heavy object.

The utility model discloses further set up to: the driving mechanism comprises electric driving, pneumatic driving or hydraulic driving. The variety of drive mechanisms provides multiple choices for the user.

The utility model discloses further set up to: a track is arranged on one side, close to the sliding structure, of the interior of the cantilever, and a cavity is formed in one end, far away from the sliding structure, of the interior of the cantilever. The cavity is used for a steel wire rope or a chain or other devices to penetrate through.

The utility model discloses further set up to: the sliding structure comprises a rack, a pulley block and a tank chain device fixedly installed on one side of the rack, wherein the flange A is installed on the lower end face of the rack and integrally formed with the rack. The assembly pulley is installed in the frame, the track is in slide on the assembly pulley realizes the radial movement of cantilever, tank chain device is used for drawing and protecting cable or electric wire, realizes the synchronous motion of cable or electric wire and davit.

The utility model discloses further set up to: the assembly pulley includes support frame, top sheave combination, lower sheave combination and is located the positioning pulley in the middle of the top sheave combination, the top sheave combination includes two sets of symmetrical pulleys, the symmetrical assembly pulley includes two pulleys, two pulleys through the both sides on the upper portion of support frame of arranging of pivot symmetry, the bottom sheave combination also includes two sets of symmetrical pulleys, the symmetrical assembly pulley includes two pulleys, two pulleys through the both sides of arranging in the lower part of support frame of pivot symmetry, positioning pulley can be around the rotation of axle, positioning pulley 324's external diameter size is greater than the perpendicular distance of two outermost terminal surfaces of pulley of top sheave combination, slightly is less than orbital horizontal size. The upper pulley combination rolls in the track, the lower pulley combination rolls outside the track, and the upper pulley combination and the lower pulley combination form a clamping state on the track surface, so that the friction force of the track during sliding is reduced, the track is more smooth during sliding, and a worker can save more labor and is more portable when manually pulling a chain or a steel wire rope and other devices to move heavy objects and make the track move radially. The positioning pulley within the specified size can effectively prevent the rail from displacing when the rail rotates or moves radially.

The utility model discloses further set up to: the rotating device comprises a rotating structure, a flange B and a shaft sleeve, wherein the lower end face of the shaft sleeve is provided with an integrally formed flange C. The rotary structure realizes 360-degree rotation of the sliding seat, the flange B is fixedly arranged on the rotary shaft of the rotary structure and matched with the flange A to realize connection of the rotary device and the sliding structure, and the flange C is matched with the flange D to realize connection of the rotary device and the stand column.

The utility model discloses further set up to: and the upper end of the upright post is provided with an integrally formed flange D.

Adopt the technical scheme of the utility model, there is following profitable technological effect:

1. the utility model discloses cancelled the fixed connection mode of traditional cantilever and stand, but installed the cantilever on sliding construction, made the cantilever can follow the sliding construction back-and-forth movement, and sliding construction installs on rotary device, and sliding construction can be rotatory around rotary device. Therefore, the cantilever can move back and forth in the radial direction and can rotate around the rotating device, the rotation is not a rotation mode of centering any more, the cantilever can rotate around the central column at any point in an effective working area, and the problem that the traditional cantilever crane is difficult to rotate when an object is close to the central column of the cantilever is solved.

2. The utility model discloses compare with traditional book arm crane, the utility model discloses a manpower pulling cantilever slides on sliding structure, can realize the radial movement of cantilever, and traditional folding structure of hanging through many cantilevers realizes the radial movement of cantilever, the utility model discloses simplify the structure, reduced the cost of enterprise.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a partially cut-away perspective view of the present invention.

Fig. 3 is a cross-sectional view of the cantilever according to the present invention.

Fig. 4 is a related dimension chart of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. In the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

Referring to fig. 1, a cantilever sliding type crane includes a column 6, and further includes a driving mechanism 1, a cantilever 2, a sliding structure 3, a rotating device 4, a lifting device 5 and a base 7, where the driving mechanism 1 is located at the left end of the cantilever 2, the lifting device 5 is installed at the right end of the cantilever 2, the cantilever 2 is fixedly installed on the sliding structure 3, the sliding structure 3 is fixedly connected with the rotating device 4, the rotating device 4 is fixedly connected with the column 6 through a flange A8, the column 6 is installed on the base 7, and the driving mechanism 1 is connected with the lifting device 5 to drive the lifting device 5 to lift a heavy object. The driving mechanism comprises electric driving, pneumatic driving or hydraulic driving.

In order to realize the sliding of the cantilever, the utility model discloses set up sliding structure below the cantilever, as shown in fig. 2, fig. 3, one side that cantilever 2 is inside to be close to sliding structure 3 is equipped with track 21, the inside one end of keeping away from sliding structure 3 of cantilever 2 is equipped with cavity 22. The cavity 22 is used for the passage of a wire rope or chain or the like. The sliding structure 3 comprises a frame 31, a pulley block 32 and a tank chain device 33 fixedly installed on one side of the frame, and the flange A8 is installed on the lower end face of the frame 31 and integrally formed with the frame 31. Assembly pulley 32 includes support frame 321, upper pulley combination 322, lower pulley combination 323 and is located the middle positioning pulley 324 of upper pulley combination, upper pulley combination includes two sets of symmetrical pulleys, symmetrical assembly pulley includes two pulleys, two pulleys pass through the both sides of arranging on the upper portion of support frame of pivot symmetry, lower pulley combination also includes two sets of symmetrical pulleys, symmetrical assembly pulley includes two pulleys, two pulleys pass through the both sides of arranging in the lower part of support frame of pivot symmetry, positioning pulley 324 can be around the rotation of axle, positioning pulley 324's external diameter a is greater than the perpendicular distance b of two pulley outermost end faces of upper pulley combination, slightly is less than orbital transverse dimension c, specifically as shown in fig. 4, so just can prevent the track displacement when the cantilever slides or rotates.

In order to realize the rotation of the cantilever, the utility model discloses set up on rotary device at sliding structure, as shown in fig. 2, rotary device 4 includes revolution mechanic 41, flange B42 and axle sleeve 43, the terminal surface is equipped with integrated flange C431 that takes shape under the axle sleeve. The revolution structure comprises a revolution bearing 411 and a revolution shaft 412, the revolution structure 41 realizes 360-degree rotation of the sliding base, a flange B42 is fixedly installed on the revolution shaft 412 of the revolution structure 41 and matched with a flange A to realize connection of the rotating device 4 and the sliding structure 3, a flange C431 is matched with a flange D8 to realize connection of the rotating device and a stand column, the stand column is fixedly connected with a base, and the base can be installed on the ground or installed on the top surface or installed in other modes.

The utility model discloses a theory of operation does: when the heavy object needs to be moved, the lifting device fixes the heavy object on the device by using a lifting hook or other devices, the driving structure is started to drive the lifting device to lift the heavy object to reach a certain height, the driving structure is closed, a steel wire rope or a chain device of the lifting device is pulled manually, the steel wire rope or the chain device is pulled forwards and backwards by manpower, and the cantilever is made to move radially on the sliding structure. In the design, the rotary inertia of the cantilever is reduced in the process of backward yielding due to the sliding of the cantilever, so that the rotation can be kept light even if the cantilever is close to the central column of the upright post. Through manpower pulling wire rope or chain device rich stand rotation, make rotary device rotate, the utility model discloses a manual pulling wire rope or chain device can remove the heavy object, operate simple and direct, laborsaving.

Finally, it should be noted that the above embodiments are merely representative examples of the present invention. Obviously, the present invention is not limited to the above-described embodiments, and many modifications are possible. Any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should be considered as belonging to the protection scope of the present invention.

Claims

1. A cantilever sliding type crane comprises a stand column and is characterized in that: the lifting device comprises a driving mechanism, a cantilever, a sliding structure, a rotating device, a lifting device and a base, wherein the driving mechanism is located at the left end of the cantilever, the lifting device is installed at the right end of the cantilever, the cantilever is slidably installed on the sliding structure, the sliding structure is fixedly connected with the rotating device, the rotating device is fixedly connected with an upright post through a flange A, the upright post is installed on the base, the driving mechanism is connected with the lifting device, and the lifting device is driven to lift heavy objects.

2. The cantilever slide crane according to claim 1, wherein: the driving mechanism comprises electric driving, pneumatic driving or hydraulic driving.

3. The cantilever slide crane according to claim 1, wherein: a track is arranged on one side, close to the sliding structure, of the interior of the cantilever, and a cavity is formed in one end, far away from the sliding structure, of the interior of the cantilever.

4. The cantilever slide crane according to claim 1, wherein: the sliding structure comprises a rack, a pulley block and a tank chain device fixedly installed on one side of the rack, wherein the flange A is installed on the lower end face of the rack and integrally formed with the rack.

5. The cantilever slide crane of claim 4, wherein: the assembly pulley includes support frame, top sheave combination, lower sheave combination and is located the positioning pulley in the middle of the top sheave combination, the top sheave combination includes two sets of symmetrical pulleys, the symmetrical assembly pulley includes two pulleys, two pulleys through the both sides on the upper portion of support frame of arranging of pivot symmetry, the bottom sheave combination also includes two sets of symmetrical pulleys, the symmetrical assembly pulley includes two pulleys, two pulleys through the both sides of arranging in the lower part of support frame of pivot symmetry, the positioning pulley can be around the rotation of axle, the external diameter size of positioning pulley is greater than the perpendicular distance of two outermost terminal surfaces of pulley of top sheave combination, slightly is less than orbital horizontal size.

6. The cantilever slide crane according to claim 1, wherein: the rotating device comprises a rotating structure, a flange B and a shaft sleeve, wherein the lower end face of the shaft sleeve is provided with an integrally formed flange C.

7. The cantilever slide crane according to claim 1, wherein: and the upper end of the upright post is provided with an integrally formed flange D.