CN218261696U - Small-size folding arm hoist - Google Patents

Small-size folding arm hoist Download PDF

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Publication number
CN218261696U
CN218261696U CN202222338491.3U CN202222338491U CN218261696U CN 218261696 U CN218261696 U CN 218261696U CN 202222338491 U CN202222338491 U CN 202222338491U CN 218261696 U CN218261696 U CN 218261696U
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China
Prior art keywords
guide wheel
arm
crane
rotating shaft
crane boom
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Active
Application number
CN202222338491.3U
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Chinese (zh)
Inventor
廖偃杉
王家昆
姚苹
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Yunnan Lishen Heavy Industry Machinery Co ltd
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Yunnan Lishen Heavy Industry Machinery Co ltd
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Priority to CN202222338491.3U priority Critical patent/CN218261696U/en
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Publication of CN218261696U publication Critical patent/CN218261696U/en
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Abstract

The utility model relates to the technical field of hoisting machinery, in particular to a small folding arm crane, wherein a support column is arranged on the upper part of a base; the side surface of the base is provided with a hoisting support leg; the support column is connected with the crane boom through a crane boom rotating shaft; the lower end of the top of the crane boom is provided with an extension arm rotating shaft; the rotating shaft of the extension arm is connected with the extension arm; the head of the extension arm is provided with a guide wheel B; the upper end of the crane boom is provided with a guide wheel A; the head part of the cargo boom is provided with a main arm guide wheel plate; the main arm guide wheel plate is connected with the crane boom through a guide wheel plate rotating shaft; a steel rope winch is arranged at the rear part of the support column; the steel cable winch is connected with a winch motor; the top of the crane boom is connected with a balancing weight through a positioning rod; the balancing weight is arranged on the balancing rod; the balancing pole sets up at the support column top, solves the unable flexible davit of miniature crane and improves the problem of practicality.

Description

Small-size folding arm hoist
Technical Field
The utility model relates to a hoisting machinery technical field, concretely relates to small-size folding arm hoist.
Background
The small-sized crane has the characteristics of convenience and flexibility during small-scale low-weight hoisting on small-sized construction sites and the like, but due to the structural limitation of small-sized hoisting equipment, the hoisting arm cannot stretch out and draw back like a large-sized crane, and in the use process of some small-sized construction sites, the existing short-arm small-sized crane cannot hoist large-sized objects due to short arm extension, so that certain use limitation exists.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a small-size folding jib crane solves the problem that the unable flexible davit of small-size crane improves the practicality.
In order to solve the technical problem, the utility model adopts the following technical scheme:
a small-sized folding arm crane comprises a base, a supporting column, a lifting supporting leg, a lifting arm rotating shaft, a lifting arm, an extending arm, a guide wheel A, a guide wheel B, a main arm guide wheel plate, a guide wheel C, a steel rope winch and a winch motor; a support column is arranged at the upper part of the base; the side surface of the base is provided with a hoisting supporting leg; the support column is connected with the crane boom through a crane boom rotating shaft; the lower end of the top of the crane boom is provided with an extension arm rotating shaft; the rotating shaft of the extension arm is connected with the extension arm; the head of the extension arm is provided with a guide wheel B; the upper end of the crane boom is provided with a guide wheel A; the head part of the cargo boom is provided with a main arm guide wheel plate; the main arm guide wheel plate is connected with the crane boom through a guide wheel plate rotating shaft; a steel rope winch is arranged at the rear part of the support column; the steel cable winch is connected with a winch motor; the top of the crane boom is connected with a balancing weight through a positioning rod; the balancing weight is arranged on the balancing rod; the balancing pole sets up at the support column top.
Furthermore, a connecting hole is arranged in the front end of the lifting arm; the head part of the connecting hole is provided with a fixed spiral ring A; the tail part of the extension arm is provided with a connecting groove; a fixed spiral ring B is arranged at the tail part of the connecting groove; a reinforcing rod is arranged in the connecting groove and penetrates through the fixed spiral ring A and the fixed spiral ring B to be fixed in the connecting hole.
Furthermore, the hoisting support legs and the base are arranged in a detachable structure; the head of the lifting support leg is provided with a positioning screw hole.
Further, an auxiliary guide wheel is arranged on the right side of the guide wheel plate of the main arm.
Further, a weight box is arranged at the bottom of the balance rod; the weight box is arranged in a reinforcing steel bar grid structure
Compared with the prior art, the utility model discloses can realize following one of beneficial effect:
1. a support column is arranged at the upper part of the base; the side surface of the base is provided with a hoisting support leg; the support column is connected with the crane boom through a crane boom rotating shaft; the lower end of the top of the crane boom is provided with an extension arm rotating shaft; the rotating shaft of the extension arm is connected with the extension arm; the head of the extension arm is provided with a guide wheel B; the upper end of the crane boom is provided with a guide wheel A; the head part of the cargo boom is provided with a main arm guide wheel plate; the main arm guide wheel plate is connected with the crane boom through a guide wheel plate rotating shaft; a steel rope winch is arranged at the rear part of the supporting column; the steel cable winch is connected with a winch motor; the top of the crane boom is connected with a balancing weight through a positioning rod; the balancing weight is arranged on the balancing rod; the balancing pole sets up at the support column top, can realize setting up one under the jib crane and with the extension arm that can overturn and expand, according to actual need, expandes the extension arm and has increased the arm exhibition of hoist, has improved the practicality, has solved the problem that needs handling major part article, the unable expansion of miniature hoist in the small-size building site work progress.
2. A connecting hole is arranged in the front end of the lifting arm; the head part of the connecting hole is provided with a fixed spiral ring A; the tail part of the extension arm is provided with a connection groove; a fixed spiral ring B is arranged at the tail part of the connecting groove; be provided with the anchor strut in the spread groove and penetrate fixed helicoid A and fixed helicoid B and fix in the connecting hole, can realize penetrating fixed helicoid to the connecting hole through the anchor strut that sets up, guarantee that the extension arm upset expandes the back, it is fixed stable.
3. The hoisting support legs and the base are arranged in a detachable structure; the head of the lifting support leg is provided with a positioning screw hole, so that the lifting support leg can be fixed through a bolt when the crane is installed through the positioning screw hole, and the stability of the crane is ensured.
4. The auxiliary guide wheel is arranged on the right side of the main arm guide wheel plate, so that when the extension arm is unfolded through the auxiliary guide wheel, the main arm guide wheel plate is parallel to the crane boom, and the stability of a hoisting steel rope is guaranteed through the auxiliary guide wheel.
5. The bottom of the balancing rod is provided with a weight box; the weight box is the setting of reinforcing bar grid structure, can realize through the weight box that sets up when the handling is heavier article, can guarantee to balance through adding the counter weight toward in the weight box, improves the security.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of the present invention.
Fig. 3 is a schematic structural diagram of the present invention.
Fig. 4 is a schematic structural diagram of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Example 1
A small-sized folding arm crane comprises a base 1, a support column 2, a lifting support leg 3, a boom rotating shaft 4, a boom 5, an extension arm 6, a guide wheel A7, a guide wheel B8, a main arm guide wheel plate 9, a guide wheel C10, a steel rope winch 11 and a winch motor 12; a support column 2 is arranged at the upper part of the base 1; the side surface of the base 1 is provided with a hoisting support leg 3; the support column 2 is connected with a crane boom 5 through a crane boom rotating shaft 4; the lower end of the top of the crane boom 5 is provided with an extension arm rotating shaft 17; the extension arm 6 is connected through an extension arm rotating shaft 17; the head of the extension arm 6 is provided with a guide wheel B8; the upper end of the crane boom 5 is provided with a guide wheel A7; the head part of the cargo boom 5 is provided with a main arm guide wheel plate 9; the main arm guide wheel plate 9 is connected with the crane boom 5 through a guide wheel plate rotating shaft 18; a steel rope winch 11 is arranged at the rear part of the support column 2; the steel rope winch 11 is connected with a winch motor 12; the top of the crane boom 5 is connected with a balancing weight 14 through a positioning rod 15; the balancing weight 14 is arranged on the balancing rod 13; the setting of balancing pole 13 can realize setting up one under the jib crane and can overturn the extension arm of expansion at 2 tops of support column, according to actual need, expandes the extension arm and has increased the arm exhibition of hoist, has improved the practicality, has solved and has needed the handling major part article in the small-size building site work progress, the unable problem that expandes of small-size hoist.
Example 2
In addition to embodiment 1, a connection hole 20 is provided in the front end of the boom 5; the head part of the connecting hole 20 is provided with a fixed spiral ring A21; the tail part of the extension arm 6 is provided with a connection groove 22; a fixed spiral ring B23 is arranged at the tail part of the connecting groove 22; be provided with in the spread groove 22 and be provided with anchor strut 24 and penetrate solid helicoid A21 and gu helicoid B23 fixes in connecting hole 20, can realize penetrating solid helicoid to the connecting hole through the anchor strut who sets up, guarantee that the extension arm upset expandes the back, it is fixed stable.
Example 3
On the basis of the embodiment 1, the hoisting support legs 3 and the base 1 are arranged in a detachable structure; the head of the lifting support leg 3 is provided with a positioning screw hole 25, so that the lifting support leg can be fixed through a bolt when the crane is installed through the positioning screw hole, and the stability of the crane is ensured.
Example 4
On the basis of embodiment 1, the auxiliary guide wheel 19 is arranged on the right side of the main arm guide wheel plate 9, so that when the extension arm is unfolded through the arranged auxiliary guide wheel, the main arm guide wheel plate is parallel to the crane boom, and the stability of a hoisting steel rope is ensured through the arranged auxiliary guide wheel.
Example 5
On the basis of the embodiment 1, the bottom of the balance rod 13 is provided with a weight box 16; the weight box 16 is arranged in a reinforcing steel bar grid structure, so that when a heavy object is hoisted through the arranged weight box, balance can be guaranteed by adding a balance weight into the weight box, and safety is improved.
Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims (5)

1. A small-size folding arm hoist which characterized in that: the lifting support comprises a base (1), a support pillar (2), a lifting support leg (3), a lifting arm rotating shaft (4), a lifting arm (5), an extension arm (6), a guide wheel A (7), a guide wheel B (8), a main arm guide wheel plate (9), a guide wheel C (10), a steel rope winch (11) and a winch motor (12); a support pillar (2) is arranged at the upper part of the base (1); the side surface of the base (1) is provided with a hoisting support leg (3); the supporting column (2) is connected with a crane boom (5) through a crane boom rotating shaft (4); the lower end of the top of the crane boom (5) is provided with an extension arm rotating shaft (17); the extension arm (6) is connected through an extension arm rotating shaft (17); the head of the extension arm (6) is provided with a guide wheel B (8); the upper end of the crane boom (5) is provided with a guide wheel A (7); the head of the crane boom (5) is provided with a main arm guide wheel plate (9); the main arm guide wheel plate (9) is connected with the crane boom (5) through a guide wheel plate rotating shaft (18); a steel rope winch (11) is arranged at the rear part of the supporting column (2); the steel rope winch (11) is connected with a winch motor (12); the top of the crane arm (5) is connected with a balancing weight (14) through a positioning rod (15); the balancing weight (14) is arranged on the balancing rod (13); the balance rod (13) is arranged at the top of the supporting column (2).
2. A compact folding jib crane according to claim 1 wherein: a connecting hole (20) is arranged in the front end of the crane arm (5); the head of the connecting hole (20) is provided with a fixed spiral ring A (21); the tail part of the extension arm (6) is provided with a connecting groove (22); a fixed spiral ring B (23) is arranged at the tail part of the connecting groove (22); a reinforcing rod (24) is arranged in the connecting groove (22) and penetrates through the fixed spiral ring A (21) and the fixed spiral ring B (23) to be fixed in the connecting hole (20).
3. A compact folding arm crane according to claim 1, characterised in that: the hoisting support legs (3) and the base (1) are arranged in a detachable structure; the head of the lifting supporting leg (3) is provided with a positioning screw hole (25).
4. A compact folding arm crane according to claim 1, characterised in that: an auxiliary guide wheel (19) is arranged on the right side of the main arm guide wheel plate (9).
5. A compact folding jib crane according to claim 1 wherein: the bottom of the balance rod (13) is provided with a weight box (16); the weight box (16) is arranged in a reinforcing mesh structure.
CN202222338491.3U 2022-09-02 2022-09-02 Small-size folding arm hoist Active CN218261696U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222338491.3U CN218261696U (en) 2022-09-02 2022-09-02 Small-size folding arm hoist

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222338491.3U CN218261696U (en) 2022-09-02 2022-09-02 Small-size folding arm hoist

Publications (1)

Publication Number Publication Date
CN218261696U true CN218261696U (en) 2023-01-10

Family

ID=84712052

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222338491.3U Active CN218261696U (en) 2022-09-02 2022-09-02 Small-size folding arm hoist

Country Status (1)

Country Link
CN (1) CN218261696U (en)

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