CN218860188U

CN218860188U - Cantilever crane convenient to adjust

Info

Publication number: CN218860188U
Application number: CN202223326643.4U
Authority: CN
Inventors: 黄治桦
Original assignee: Dake Intelligent Equipment Xiamen Co ltd
Current assignee: Dake Intelligent Equipment Xiamen Co ltd
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-04-14
Anticipated expiration: 2032-12-12

Abstract

The utility model provides a convenient cantilever crane who adjusts, which comprises a column, the stand upper end is provided with the pivot and fixes pivoted cantilever, be provided with elevating gear on the cantilever, still including drawing the structure to one side, draw the both ends of structure respectively to one side the cantilever with in the pivot, draw the structural strainer that is provided with to one side, the strainer configuration is to adjust draw the length of structure to one side. Through the utility model discloses the scheme can be so that the cantilever crane is more convenient when carrying out the level (l) ing of cantilever.

Description

Cantilever crane convenient to adjust

Technical Field

The utility model relates to a lifting device technical field particularly, relates to a net height cantilever crane.

Background

The cantilever crane is also called as a cantilever crane, has the advantages of convenient operation and use, flexible rotation, large operation space and the like, and is energy-saving and efficient material hoisting equipment. Because the cantilever crane is convenient to hoist small articles and saves electricity, the cantilever crane is widely applied to the production lines of factories and mines and workshops, assembly lines, upper and lower workpieces of machine tools, warehouses and the like. In order to improve the strength of the cantilever, the existing cantilever crane often adopts a diagonal reinforcement structure, such as a cantilever crane with the publication number of CN203889946U, or a cantilever crane with a diagonal draw bar with the publication number of CN 204079304U. However, although the strength of the existing cantilever crane is sufficient, the cable-stayed device is generally fixed in length no matter whether a steel cable or a pull rod is adopted, when the level of the cantilever needs to be adjusted, the position of the cable-stayed device on the cantilever crane needs to be fixed again, namely, the lower inclined-pull structure needs to be disassembled again, the cable-stayed device is installed again at a proper position of the cantilever, the operation is troublesome, and the strength of the connecting part of the cantilever and the cable-stayed device is easily influenced.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a cantilever crane of convenient regulation to solve current oblique-pulling type cantilever crane and adjust inconvenient problem.

The utility model adopts the following scheme: the application provides a cantilever crane of convenient regulation, which comprises a column, the stand upper end is provided with the pivot and fixes epaxial cantilever, be provided with elevating gear on the cantilever, still including drawing the structure to one side, draw the both ends of structure respectively to one side and articulate the cantilever with in the pivot, draw structural strainer to one side, the strainer is configured to can adjust draw the length of structure to one side.

Furthermore, the inclined pulling structures are provided with two, one of the inclined pulling structures is hinged to the end part, far away from the upright post, of the cantilever, and the other inclined pulling structure is hinged to the middle point of the cantilever.

Further, the upper end of stand is provided with first mount pad and second mount pad, be provided with the bearing between first mount pad and the second mount pad, just be provided with the pivot on the bearing, the cantilever is fixed in the pivot.

Furthermore, a plurality of limiting mounting holes which are annularly arranged are formed in the second mounting seat, and limiting rods which limit the rotation of the cantilever are suitable for being mounted on the limiting mounting holes so as to limit the rotation range of the cantilever.

Further, the cantilever is fixed on the rotating shaft through a bolt.

Furthermore, the tail end of the cantilever, which is far away from the upright post, is provided with a limiting bolt and a limiting sheet for preventing the lifting device from coming off.

Further, the stand is including last stand and the lower stand that the concatenation formed, it is provided with the horizontal adjustment screw to go up between stand and the lower stand.

Furthermore, a power switch is arranged on the upright post and electrically connected with the lifting device.

Further, be provided with the bottom plate on the lower stand, be provided with the screw hole on the bottom plate.

Furthermore, the cable-stayed structure is a steel rope or a pull rod.

Has the advantages that:

the utility model discloses a set up the tensioner in order to adjust the length of drawing the structure to one side to when carrying out the horizontal adjustment to the cantilever, can directly adjust the tensioner in order to adjust the elasticity of drawing the structure to one side and realize the horizontal adjustment to the cantilever, and need not to dismantle back fixed mounting with the cantilever to one side draw the structure to improve and adjust efficiency. The rotation limiting device is further arranged, namely a plurality of limiting mounting holes are formed in the second mounting seat, and the rotation range of the cantilever is limited by inserting the limiting rod, so that the rotation range of the cantilever can be adjusted.

Drawings

Fig. 1 is a schematic structural view of a conveniently adjustable cantilever crane according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of another view angle of the conveniently adjustable cantilever crane according to the embodiment of the present invention;

fig. 3 is a schematic structural diagram of a front view angle of a conveniently adjustable cantilever crane according to an embodiment of the present invention;

icon: the device comprises an upper upright post 1, a first mounting seat 11, a second mounting seat 12, a limiting mounting hole 121, a limiting rod 13, a bearing 14, a connecting plate 15, a lower upright post 2, a bottom plate 21, a threaded hole 211, a horizontal adjusting screw 3, a cantilever 4, a rail 41, a limiting bolt 42, a limiting sheet 43, a diagonal pulling structure 5, a tensioner 6, a rotating shaft 7, a bump 71, a power switch 8 and a lifting device 9.

Detailed Description

Examples

Referring to fig. 1 to 3, this embodiment provides a conveniently-adjusted cantilever crane, which includes a column, the upper end of the column is provided with a rotating shaft 7 and a cantilever 4 fixed on the rotating shaft 7, the cantilever 4 is provided with a lifting device 9, and the cantilever crane further includes a cable-stayed structure 5, two ends of the cable-stayed structure 5 are respectively hinged to the cantilever 4 and the rotating shaft 7, the cable-stayed structure 5 is provided with a tensioner 6, and the tensioner 6 is configured to adjust the length of the cable-stayed structure 5.

In this embodiment, the stand is including dismantling last stand 1 and lower stand 2 of connection, connects through the form of bolt or screw butt joint, can solve transportation and upstairs and downstairs problem better, and cantilever 4, pivot 7 etc. in this embodiment all can be dismantled simultaneously, conveniently transport. The splicing position of the upper upright post 1 and the lower upright post 2 can be fixed by a horizontal adjusting screw 3, and horizontal fine adjustment is conveniently carried out to eliminate machining errors. The bottom of lower upright 2 is provided with bottom plate 21, be provided with screw hole 211 on the bottom plate 21 and be used for installing horizontal adjusting screw 3, carry out horizontal correction when easy to assemble.

The upper end of upper column 1 is provided with the upper end of stand is provided with first mount pad 11 and second mount pad 12, and here first mount pad 11 and second mount pad 12 stretch out the side surface of stand, just be provided with bearing 14 on first mount pad 11 and the second mount pad 12, the fixed pivot 7 that is provided with on bearing 14, cantilever 4 is fixed in pivot 7, makes cantilever 4 can follow pivot 7 rotates on the stand. The cantilever 4 is vertically fixed at the lower end of the rotating shaft 7 through bolts and connecting plates 15, a lug 71 for installing the diagonal structures 5 is arranged at the upper end of the rotating shaft 7, fixing holes are formed in the lug 71, when a plurality of diagonal structures 5 are arranged, a plurality of fixing holes are correspondingly arranged, and the fixing holes are vertically arranged.

The cable-stayed structure 5 can be a steel cable or a pull rod, and is used for preventing the suspension arm 4 from drooping and improving the shear strength of the suspension arm 4. In this embodiment, there are two cable-stayed structures 5, and each cable-stayed structure 5 is provided with a tensioner 6. One of the cable-stayed structures 5 is hinged at the end part of the cantilever 4 far away from the upright post, and the other cable-stayed structure 5 is hinged at the middle point part of the cantilever 4. The diagonal tension structures 5 are distributed up and down and do not intersect. Through this setting, can guarantee to draw structure 5 to act on the middle part of cantilever 4 and the tip that extends to intensity when improving the tip position bearing to one side. Here, a rail 41 is arranged below the cantilever 4, the lifting device 9 is adapted to slide on the rail 41 so as to move left and right along the cantilever 4, for example, a pulley may be arranged at the upper end of the lifting device 9, the pulley is arranged in the rail 41, on one hand, the lifting device 9 is fixed on the cantilever 4, and on the other hand, the convenience of moving the lifting device 9 on the cantilever 4 is also improved. Preferably, a limiting bolt 42 and a limiting sheet 43 for preventing the lifting device 9 from falling off are arranged at the tail end of the cantilever 4 far away from the upright column, so that the protection effect can be better realized through double limiting.

The strainer 6 can adopt an existing straining device, for example, when the cable-stayed structure 5 adopts a pull rod, the load strainer 6 with the publication number of CN204433376U can be adopted for connection, the pull rod is divided into two sections, and the two sections are connected by using the strainer 6, so that tightness adjustment can be conveniently carried out, and the length of the cable-stayed structure 5 can be adjusted. When steel cables are used as the cable-stayed structure 5, steel cable tensioners 6 can also be used for connection, which are all the prior art and are not described in more detail here.

In this embodiment, the second mounting seat 12 is provided with a plurality of limiting mounting holes 121 arranged in a ring shape, and the limiting mounting holes 121 are adapted to mount limiting rods 13 for limiting the rotation of the cantilever 4, so as to limit the rotation range of the cantilever 4. Here, when the existing cantilever crane is used in a scene with a small space range, a user carelessly makes the rotation amplitude of the cantilever 4 too large, so that an article hung on the lifting device 9 collides with a nearby wall or other articles, and the article is easily damaged. In this embodiment, by providing a plurality of limiting mounting holes 121 arranged in an annular shape and matching two limiting rods 13 arranged on two sides of the cantilever 4 to be inserted into the limiting mounting holes 121, the limiting rods 13 can be adjusted in the limiting mounting holes 121 and inserted into different limiting mounting holes 121, so as to limit the rotation range of the cantilever 4, and specifically, the limiting rods 13 protrude above the second mounting seat 12 and are used for clamping the cantilever 4. Through the setting, can carry out the regulation of rotation range in advance according to the use needs before the use, also can be as required in the use manual adjustment at any time.

In some embodiments, a power switch 8 is disposed on the column, and the power switch 8 is electrically connected to the lifting device 9. Here through setting switch 8 on the stand, convenience of customers promptly cuts off the power, has solved traditional cantilever crane and has set up control switch on other distance lockers far away problem, also convenience of customers operate when improving the security.

The lifting device 9 described in this embodiment may be an electric hoist or other lifting equipment, and the electric hoist is provided with a lifting switch and a lifting hook. The electric block is a product in the prior art, and is not illustrated in more detail here.

Through the utility model discloses the scheme is setting up and is drawing structure 5 to one side and improving 4 shear strength of cantilever, still makes things convenient for cantilever 4 to carry out the level (l) ing, has improved user operation convenience, and turned angle is adjustable simultaneously, and the convenient regulation.

It should be understood that: above only the utility model discloses a preferred embodiment, the utility model discloses a scope not only limits in above-mentioned embodiment, and the fan belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope.

The above description of the drawings used in the embodiments is only to illustrate some embodiments of the invention and should not be taken as limiting the scope, from which other relevant drawings can be derived by a person skilled in the art without inventive effort.

Claims

1. The utility model provides a cantilever crane of convenient regulation, includes the stand, the stand upper end is provided with the pivot, and fixes in the epaxial cantilever of pivot, be provided with elevating gear on the cantilever, its characterized in that still includes and draws the structure to one side, draw the both ends of structure to one side and articulate respectively the cantilever with in the pivot, draw the structural strainer that is provided with to one side, the strainer configuration can adjust draw the length of structure to one side.

2. The cantilever crane convenient for adjustment according to claim 1, wherein there are two of the cable-stayed structures, one of the cable-stayed structures is hinged to the end of the cantilever far from the upright, and the other cable-stayed structure is hinged to the middle point of the cantilever.

3. The conveniently-adjusted cantilever crane according to claim 1, wherein the upper end portion of the upright column is provided with a first mounting seat and a second mounting seat, a bearing is arranged between the first mounting seat and the second mounting seat, the rotating shaft is mounted on the bearing, and the cantilever is fixed on the rotating shaft.

4. The adjustable cantilever crane according to claim 3, wherein the second mounting seat is provided with a plurality of limiting mounting holes arranged in a ring shape, and the limiting mounting holes are suitable for mounting limiting rods for limiting the rotation of the cantilever so as to limit the rotation range of the cantilever.

5. The adjustable jib crane assembly of claim 3 wherein said jib is bolted to said rotatable shaft.

6. The adjustable cantilever crane according to claim 1, wherein the end of the cantilever far away from the upright is provided with a limit bolt and a limit piece for preventing the lifting device from falling off.

7. The conveniently adjustable cantilever crane of claim 1, wherein the upright comprises an upper upright and a lower upright which are spliced, and a horizontal adjusting screw is arranged between the upper upright and the lower upright.

8. The boom crane convenient to adjust of claim 7, wherein a power switch is arranged on the upright column, and the power switch is electrically connected with the lifting device.

9. The adjustable jib crane of claim 7 wherein the lower column has a bottom plate with screw holes.

10. The adjustable jib crane of claim 1 wherein said cable-stayed structure is a steel cable or a tension rod.