CN213202149U

CN213202149U - Adjustable support of crane

Info

Publication number: CN213202149U
Application number: CN202021314037.9U
Authority: CN
Inventors: 赵军; 李军; 张冬宝; 其他发明人请求不公开姓名
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-07
Filing date: 2020-07-07
Publication date: 2021-05-14
Anticipated expiration: 2030-07-07

Abstract

The utility model discloses an adjustable support of hoist, which comprises a base, lower extreme middle part fixedly connected with motor, the output of motor runs through base and fixedly connected with rotary device, rotary device's upper end fixedly connected with telescopic bracket, telescopic bracket's inside lower extreme fixedly connected with hydraulic telescoping device, hydraulic telescoping device's upper end swing joint has the telescopic link, the upper end middle part swing joint of telescopic link has the extension body, the upper end fixedly connected with slider of the extension body. A but hoist adjusting bracket, through set up rotary device and slider on whole device, rotary device can 180 degrees rotations have increased the directionality of hoist operation, convenient to use adjusts the direction, slider can go up and down the distance between lifting hook and the object, adjusts the height of whole device, whole device not only can turn also can go up and down, saves the cost of labor, simple structure is firm.

Description

Adjustable support of crane

Technical Field

The utility model relates to a hoist equipment field, in particular to but hoist adjusting bracket.

Background

The crane is a multi-action hoisting machine for vertically lifting and horizontally carrying heavy objects within a certain range, the hoisting equipment has the working characteristic of intermittent movement, namely corresponding mechanisms for taking materials, transporting, unloading and the like in one working cycle alternately work, the crane is more and more widely developed and used in the market, and an adjustable support is required to be used when the crane is used. 1. In the existing support, due to the fact that the support is of a fixed structure, limitation of a crane in unloading goods is limited, articles cannot be placed well, manual labor cost is increased, and difficulty in using the crane is increased due to the fact that a rotating body is not flexible enough in use; 2. on the existing device, the adjustable support used by the crane can only control the rotation body, and can not drive the crane to randomly adjust the height and direction in the use process, so that the use is time-consuming and labor-consuming. Therefore, a novel adjustable support of the crane is provided.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide an adjustable stand for a crane, which can effectively solve the problems of the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an adjustable support of a crane comprises a base, wherein a motor is fixedly connected to the middle of the lower end of the base, the output end of the motor penetrates through the base and is fixedly connected with a rotating device, a telescopic support is fixedly connected to the upper end of the rotating device, a hydraulic telescopic device is fixedly connected to the lower end of the inner portion of the telescopic support, a telescopic rod is movably connected to the upper end of the hydraulic telescopic device, an extending body is movably connected to the middle of the upper end of the telescopic rod, a sliding device is fixedly connected to the upper end of the extending body, a wire clamping plate is fixedly connected to the right portion of the upper end of the base, a fixed shaft is connected to the upper portion of the wire clamping plate in an inserting mode, two fixing screws are in threaded connection with the outer surface of the fixed shaft and are respectively located at the front end and the rear end of the wire clamping plate, a self-locking hoisting coil is, and one end of the suspension wire chain, which is far away from the self-locking suspension coil, is fixedly connected with a suspension hook.

Preferably, the rotary device includes the fixed head, the upper end swing joint of fixed head has the rotation wheel, the upper end fixedly connected with connector of rotation wheel, the equal fixedly connected with support frame in upper end left side and the right side of connector, two the middle part of support frame alternates jointly and is connected with the spliced pole, the spliced pole is located the outside front end of support frame and rear end and has all cup jointed a locking screw, the lower extreme of fixed head and the output fixed connection of motor.

Preferably, the front end and the rear end of the telescopic support are both internally provided with limiting grooves, the upper parts of the limiting grooves are movably connected with rotating wheels, the middle parts of the rotating wheels are fixedly connected with connecting shafts together, and the lower part of the telescopic support is provided with connecting holes.

Preferably, the sliding device comprises a first fixing column and a second fixing column, a first rotating shaft is movably connected to the middle of the first fixing column, a second rotating shaft is movably connected to the middle of the second fixing column, limited chain grooves are formed in the first rotating shaft and the second rotating shaft, a connecting plate is fixedly connected to the front ends and the rear ends of the first fixing column and the second fixing column together, a second locking screw is movably connected to the outer portion of the connecting plate, and the front ends and the rear ends of the first fixing column and the second fixing column are fixedly connected with the telescopic support through the connecting plate.

Preferably, the diameter of No. two pivots is greater than a pivot, No. one pivot and No. two pivots and connecting plate contactless.

Preferably, the diameter of the connecting hole is the same as that of the connecting column, and the wire hanging chain is movably connected with the first rotating shaft and the second rotating shaft.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. in the utility model, the rotating device and the telescopic bracket are arranged at the left part of the upper end of the whole device, so that the rotating direction of 180 degrees can be realized in the use process of the crane, the height of the lifting hook can be increased and decreased, the use is more convenient and quicker, the labor cost is reduced, and the crane is facilitated;

2. the utility model discloses in, set up slider through the upper end at telescopic bracket, the diameter of No. two pivots is greater than the diameter of a pivot, reduces the wearing and tearing of suspension wire chain on the one hand, and on the other hand prolongs the life of suspension wire chain, and the resistance reduces in the use, and the operation process is more firm, convenient to use, reduction labour cost, and convenient and fast is effective.

Drawings

Fig. 1 is a schematic view of the overall structure of an adjustable support of a crane according to the present invention;

fig. 2 is a schematic view of the overall structure of a rotating device of an adjustable support of a crane according to the present invention;

FIG. 3 is a schematic view of the overall structure of a telescopic bracket of the adjustable bracket of the crane of the present invention;

fig. 4 is a schematic connection diagram of the sliding device of the adjustable support of the crane of the present invention.

In the figure: 1. a base; 3. a motor; 4. a rotating device; 5. a telescopic bracket; 6. a hydraulic jack; 7. A telescopic rod; 8. an extension body; 9. a sliding device; 10. a wire clamping plate; 11. fixing screws; 12. a fixed shaft; 13. a self-locking suspension coil; 14. a wire hanging chain; 15. a hook; 41. a fixed head; 42. a rotating wheel; 43. A connector; 44. a support frame; 45. connecting columns; 46. a first locking screw; 51. a limiting groove; 52. A connecting shaft; 53. a rotating wheel; 54. connecting holes; 91. a first fixing column; 92. a second fixing column; 93. A connecting plate; 94. a first rotating shaft; 95. a second rotating shaft; 96. a chain limiting groove; 97. and a second locking screw.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, an adjustable support of a crane comprises a base 1, a motor 3 is fixedly connected to the middle of the lower end of the base 1, an output end of the motor 3 penetrates through the base 1 and is fixedly connected with a rotating device 4, an upper end of the rotating device 4 is fixedly connected with a telescopic bracket 5, a hydraulic expansion piece 6 is fixedly connected to the lower end of the inner part of the telescopic bracket 5, an upper end of the hydraulic expansion piece 6 is movably connected with a telescopic rod 7, an upper middle part of the telescopic rod 7 is movably connected with an extension body 8, an upper end of the extension body 8 is fixedly connected with a sliding device 9, a wire clamping plate 10 is fixedly connected to the right part of the upper end of the base 1, a fixed shaft 12 is penetratingly connected to the upper part of the wire clamping plate 10, two fixed screws 11 are threadedly connected to the outer surface of the fixed shaft 12, the two fixed screws 11 are, the middle part of the self-locking lifting coil 13 is fixedly connected with a lifting wire chain 14, and one end of the lifting wire chain 14 far away from the self-locking lifting coil 13 is fixedly connected with a lifting hook 15.

The rotating device 4 comprises a fixed head 41, the upper end of the fixed head 41 is movably connected with a rotating wheel 42, the upper end of the rotating wheel 42 is fixedly connected with a connector 43, the left side and the right side of the upper end of the connector 43 are fixedly connected with supporting frames 44, the middle parts of the two supporting frames 44 are jointly and alternately connected with a connecting column 45, the front end and the rear end of the connecting column 45, which are positioned outside the supporting frames 44, are respectively sleeved with a locking screw 46, the lower end of the fixed head 41 is fixedly connected with the output end of the motor 3, the locking screw 46 stabilizes the stability of the telescopic bracket 5 and the rotating device 4, the object insecurity in the rotating process is prevented from generating accidents, and the bottom end of the fixed head; limiting grooves 51 are formed in the front end and the rear end of the telescopic support 5, the upper parts of the two limiting grooves 51 are movably connected with rotating wheels 53, the rotating wheels 53 have the function of assisting in adjusting the lifting of the telescopic support 5, the flexibility is improved, the operation of the telescopic support 5 is assisted, the abrasion of a machine is reduced, the service life of the machine is prolonged, the middle parts of the two rotating wheels 53 are fixedly connected with a connecting shaft 52 together, the lower part of the telescopic support 5 is provided with a connecting hole 54, the connecting hole 54 is convenient for connecting the telescopic support 5 to be stable, and the firmness of the whole device in use is further determined; the sliding device 9 comprises a first fixing column 91 and a second fixing column 92, a first rotating shaft 94 is movably connected to the middle of the first fixing column 91, a second rotating shaft 95 is movably connected to the middle of the second fixing column 92, a chain limiting groove 96 is formed in each of the first rotating shaft 94 and the second rotating shaft 95, the chain limiting groove 96 is convenient for the runner 53 to rotate without deviating to play a role in guiding, the stability of the whole device is kept, the protection safety is improved in the using process, a connecting plate 93 is fixedly connected to the front ends and the rear ends of the first fixing column 91 and the second fixing column 92 together, a second locking screw 97 is movably connected to the outer portion of the connecting plate 93, the stability of the first fixing column 91 and the second fixing column 92 is reinforced by the second locking screw 97, and the front ends and the rear ends of the first fixing column 91 and the second fixing column 92 are fixedly connected with the telescopic support 5 through the; the diameter of the second rotating shaft 95 is larger than that of the first rotating shaft 94, the first rotating shaft 94 and the second rotating shaft 95 are not in contact with the connecting plate 93, the abrasion degree of the suspension wire chain 14 is reduced, and the service life of the suspension wire chain 14 is prolonged; the aperture of the connecting hole 54 is the same as the diameter of the connecting column 45, the wire hanging chain 14 is movably connected with the first rotating shaft 94 and the second rotating shaft 95, the whole device is controlled by the motor 3, the operation is simple, the use safety is high, the labor cost is reduced, and the convenience is brought to the use process of the crane.

It should be noted that the utility model relates to an adjustable support of crane, firstly, the crane support is required to be installed on the crane and fixed, secondly, the rotating device 4 is arranged at the left part of the upper end of the base 1, the rotating wheel 42 on the rotating device 4 is controlled by the motor 3 to rotate, the whole telescopic support 5 can be flexibly driven to adjust the direction, the telescopic rod 7 and the extension body 8 of the hydraulic expansion device 6 in the telescopic support 5 can ascend and descend, the upper end of the extension body 8 in the middle of the hydraulic expansion device 6 is fixedly connected to the connecting shaft 52, meanwhile, the front end and the rear end of the connecting shaft 52 are connected with the connecting plate 93, the suspension wire chain 14 is sleeved in the first rotating shaft 94 and the second rotating shaft 95, the height can ascend and descend along with the hydraulic expansion device 6, the rotating wheel 53 is driven by the connecting shaft 52 to slide in the limiting groove 51, the first fixing column 91 and the second fixing column 92 on the sliding device 9 are driven to slide up and down, the suspension wire chain, the lifting hook 15 is adjusted fixedly according to gravity and the suspension wire chain 14, the problem of the direction of rotation in the crane use process is solved on the one hand, on the other hand, the adjustment of the height in the crane use process is solved, the operation is performed aiming at the actual situation in the use process, the suspension wire chain 14 can be locked according to the gravity degree through the self-locking line clamping plate 10, the deviation in the use process of the suspension wire chain 14 is limited, accidents are prevented, the safety protection performance of machinery is improved, on the other hand, the flexibility of machinery is improved, and the limitation in the crane use process is increased.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An adjustable support of a crane, comprising a base (1), characterized in that: the lower end middle part of the base (1) is fixedly connected with a motor (3), the output end of the motor (3) penetrates through the base (1) and is fixedly connected with a rotating device (4), the upper end of the rotating device (4) is fixedly connected with a telescopic support (5), the inner lower end of the telescopic support (5) is fixedly connected with a hydraulic expansion piece (6), the upper end of the hydraulic expansion piece (6) is movably connected with a telescopic rod (7), the upper end middle part of the telescopic rod (7) is movably connected with an extension body (8), the upper end of the extension body (8) is fixedly connected with a sliding device (9), the upper right part of the base (1) is fixedly connected with a wire clamping plate (10), the upper part of the wire clamping plate (10) is alternately connected with a fixed shaft (12), the outer surface of the fixed shaft (12) is in threaded connection with two fixed screws (11), and the two fixed screws (11) are respectively positioned at the, the middle part of the wire clamping plate (10) is movably connected with a self-locking lifting coil (13) through a fixed shaft (12), the middle part of the self-locking lifting coil (13) is fixedly connected with a lifting wire chain (14), and one end, far away from the self-locking lifting coil (13), of the lifting wire chain (14) is fixedly connected with a lifting hook (15).

2. The adjustable support of a crane according to claim 1, wherein: the rotating device (4) comprises a fixed head (41), the upper end of the fixed head (41) is movably connected with a rotating wheel (42), the upper end of the rotating wheel (42) is fixedly connected with a connector (43), the left side and the right side of the upper end of the connector (43) are fixedly connected with support frames (44), the middle parts of the two support frames (44) are jointly inserted and connected with a connecting column (45), the front end and the rear end of the connecting column (45) positioned outside the support frames (44) are respectively sleeved with a locking screw (46), the lower end of the fixed head (41) is fixedly connected with the output end of a motor (3), the front end and the rear end of the telescopic bracket (5) are respectively internally provided with a limiting groove (51), the upper parts of the two limiting grooves (51) are movably connected with a rotating wheel (53), and the middle parts of the two rotating wheels (53) are jointly fixedly connected with, connecting holes (54) are formed in the lower portion of the telescopic support (5), the sliding device (9) comprises a first fixing column (91) and a second fixing column (92), a first rotating shaft (94) is movably connected to the middle of the first fixing column (91), a second rotating shaft (95) is movably connected to the middle of the second fixing column (92), limited chain grooves (96) are formed in the first rotating shaft (94) and the second rotating shaft (95), a connecting plate (93) is fixedly connected to the front ends and the rear ends of the first fixing column (91) and the second fixing column (92) together and located outside the connecting plate (93) and is fixedly connected with a second locking screw (97), and the front ends and the rear ends of the first fixing column (91) and the second fixing column (92) are fixedly connected with the telescopic support (5) through the connecting plate (93).

3. The adjustable support of claim 2, wherein: the diameter of No. two pivot (95) is greater than pivot (94), pivot (94) and No. two pivot (95) and connecting plate (93) all do not contact.

4. The adjustable support of claim 2, wherein: the diameter of the connecting hole (54) is the same as that of the connecting column (45), and the wire hanging chain (14) is movably connected with the first rotating shaft (94) and the second rotating shaft (95).