CN211056541U

CN211056541U - Lorry-mounted crane davit

Info

Publication number: CN211056541U
Application number: CN201922190198.5U
Authority: CN
Inventors: 牛春波
Original assignee: Shanxi Jiecheng Cnc Machinery Equipment Co ltd
Current assignee: Shanxi Jiecheng Cnc Machinery Equipment Co ltd
Priority date: 2019-12-09
Filing date: 2019-12-09
Publication date: 2020-07-21
Anticipated expiration: 2029-12-09

Abstract

The utility model discloses a lorry crane davit, include: a fixed arm, a lifting hook which is arranged below the fixed arm and used for hooking goods, a lifting rope used for pulling the lifting hook and a lifting rope take-up reel used for electrically retracting the lifting rope, wherein the fixed arm is provided with a lifting rope take-up reel, the lifting rope is fixedly wound on the lifting rope take-up reel, the lifting hook is arranged below the lifting rope, a front fixed take-up reel is arranged in front of the lifting rope take-up reel, a rear fixed take-up reel is arranged behind the lifting rope take-up reel, and the front fixed take-up reel and the rear fixed take-up reel are both fixedly wound with limit ropes, the utility model has simple structure and convenient use, by arranging the front and rear fixed take-up reels and the limiting rope on the fixed arm, when the crane lifts the goods, the front fixed take-up reel and the rear fixed take-up reel are linked with the lifting rope take-up reel, the lifting hook is limited by applying the pulling force in the opposite direction to the front and the back of the fixed block, so that the problem that the lifting hook easily drives the goods to shake when the goods are lifted by the crane, and the goods can fall to cause danger is solved.

Description

Lorry-mounted crane davit

Technical Field

The utility model relates to a conveyer technical field specifically is a lorry crane davit.

Background

The lorry-mounted crane is a crane mounted on a common automobile chassis or a special automobile chassis, and a driving cab and a hoisting control cab of the lorry-mounted crane are separately arranged. The crane has the advantages that the maneuverability is good, the transfer is rapid, the conventional truck-mounted crane boom mostly uses a single lifting rope to lift the goods, when the goods are lifted by the single lifting rope, the goods are easily lifted off the ground to shake due to the gravity of the goods and the vibration of the crane, and the goods can fall off to cause danger when the shaking amplitude of the goods is too large.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a lorry crane davit to solve the problem that proposes among the above-mentioned background art.

In order to achieve the purpose, the utility model provides a lorry crane suspension arm, which comprises a fixed arm, a lifting hook, a lifting rope and a lifting rope take-up reel, wherein the lifting hook is arranged below the fixed arm and used for hooking goods, the lifting rope is used for pulling the lifting hook, the lifting rope take-up reel is used for electrically retracting the lifting rope, the fixed arm is a U-shaped supporting structure, the lifting rope take-up reel is arranged inside the fixed arm, the left wall surface and the right wall surface of the lifting rope take-up reel are respectively and fixedly provided with a fixed column, the two fixed columns correspond to each other left and right, the two separated wall surfaces of the fixed arm are respectively and fixedly connected with the left wall surface and the right wall surface inside the fixed arm, the lifting rope is fixedly wound on the lifting rope take-up reel, the lower end of the lifting rope is fixedly provided with a fixed block which can drive the lifting rope to vertically downwards, the lifting hook is fixedly arranged on the wall surface below the fixed block, the side surface of the lifting rope is provided with a limiting ring, the side surface of the limiting ring is a 35;

fixed take-up reel before lifting rope take-up reel the place ahead sets up, and wall is respectively through fixed column and fixed arm fixed connection about the preceding fixed take-up reel, and the fixed take-up reel rear sets up the after-fixing take-up reel, and the wall is respectively through fixed column and fixed arm fixed connection about the after-fixing take-up reel, all fixed winding can carry out spacing rope to the lifting hook on preceding fixed take-up reel and the after-fixing take-up reel, wall fixed mounting pulling force piece respectively around the fixed block, and two pulling force pieces respectively with two spacing rope fixed connection.

Preferably, the lifting rope take-up reel is a numerical control electric take-up device, and the front fixed take-up reel and the rear fixed take-up reel are both identical in structure to the lifting rope take-up reel.

Preferably, the lifting rope is a metal rope made of steel, has the characteristics of high bearing capacity and difficulty in breaking, and is driven to contract or release by controlling the electric control lifting rope take-up reel when in use.

Preferably, the limiting ring is a metal circular ring, and the lifting rope penetrates through the limiting ring.

Preferably, the lifting hook passes through bolt and fixed block fixed connection, and the lifting rope is released to the lifting rope take-up reel during the use, and the fixed block drives the lifting hook and falls downwards, and the staff catches on the goods with the lifting hook, and the control lifting rope take-up reel shrink lifting rope to hoist the goods.

Preferably, the limiting column is a cylinder with elastic force.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses simple structure, convenient to use, through set up fixed take-up reel and spacing rope around on the fixed arm, when the hoist carries out the goods and lifts by crane, preceding fixed take-up reel and back fixed take-up reel link with the lifting rope take-up reel, carry on spacing to the lifting hook through exerting opposite direction's pulling force around the fixed block, solved the hoist when lifting by crane the goods lifting hook easily drive the goods rock probably cause the goods to drop and produce dangerous problem;

2. the utility model discloses still simultaneously at the spacing ring, the spacing ring carries out limiting displacement to the lifting rope, has avoided the use that the skew lifting rope take-up reel influences the hoist when release or shrink of lifting rope.

3. The utility model discloses can exert not pulling force of equidimension simultaneously and control lifting hook and goods and incline to hoist through control to the fixed block, there is the shelter object on one side of the loop wheel machine when having solved the hoisting movement goods, and the goods rocks and hits the problem that the shelter object caused the damage easily.

Drawings

FIG. 1 is a front view of a boom of a lorry-mounted crane according to the present invention;

FIG. 2 is a top view of a boom of the lorry-mounted crane of the present invention;

fig. 3 is the utility model relates to a lorry crane davit left side view.

In the figure: the device comprises a fixing arm 1, a lifting hook 2, a fixing block 3, a lifting rope 4, a lifting rope take-up reel 5, a rear fixing take-up reel 6, a limiting rope 7, a tension block 8, a front fixing take-up reel 9, a hydraulic rod 10, a fixing disk 11, a fixing column 12, a limiting ring 13 and a limiting column 14.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-3, the present invention provides a technical solution, a boom of a lorry-mounted crane, comprising a fixed arm 1, a hook 2 disposed below the fixed arm 1 for hooking a cargo, a lifting rope 4 for pulling the hook 2, and a lifting rope take-up reel 5 for electrically retracting the lifting rope 4, wherein the fixed arm 1 is of a U-shaped steel structure, the lifting rope take-up reel 5 is disposed inside the fixed arm 1, the left and right walls of the lifting rope take-up reel 5 are respectively fixedly provided with a fixed column 12, and the left and right walls of the two fixed columns 12 correspond to the left and right walls of the fixed arm 1, and the fixed column 12 is welded to the fixed arm 1, the lifting rope take-up reel 5 is a numerical control electric take-up device, the lifting rope 4 is fixedly wound on the lifting rope take-up reel 5, the lifting rope 4 is made of a steel material and a metal rope, the lifting rope 4 has a characteristic of high bearing force and is not easy to break, when in use, the lifting rope takes up the lifting rope 4 and the lifting rope, the lifting rope 2 is connected to the fixed arm through a fixed bolt hole 13, when the lifting rope is used, the lifting rope takes up the lifting rope, the lifting rope take-up reel, the fixed arm 2 is connected to the fixed arm 4, the fixed arm is connected to a fixed arm, the lifting rope, the fixed arm 4 is connected to a fixed arm 13, when the lifting rope, the fixed arm, the lifting rope, the fixed arm is connected to a fixed arm, the fixed arm;

a front fixed take-up reel 9 is arranged in front of a lifting rope take-up reel 5, the left wall surface and the right wall surface of the front fixed take-up reel 9 are respectively fixedly connected with a fixed arm 1 through a fixed column 12, a rear fixed take-up reel 6 is arranged behind the lifting rope take-up reel 5, the left wall surface and the right wall surface of the rear fixed take-up reel 6 are respectively fixedly connected with the fixed arm 1 through the fixed column 12, the front fixed take-up reel 9 and the rear fixed take-up reel 6 are both identical in structure with the lifting rope take-up reel 5, a limiting rope 7 capable of limiting a lifting hook 2 is fixedly wound on the front fixed take-up reel 9 and the rear fixed take-up reel 6, a tension block 8 is respectively and fixedly mounted on the front wall surface and the rear wall surface of a fixed block 3, the two tension blocks 8 are respectively and fixedly connected with the two limiting ropes 7, the limiting rope 7 is fixedly tied on the fixed block 3, when a crane lifts cargos, apply opposite direction's pulling force through 3 front and back to the fixed block and come to carry on spacingly to lifting hook 2, solved hoist lifting hook 2 and driven the goods easily and rock the problem that probably causes the goods to drop and produce danger when hoisting the goods, can control to apply not equidimension pulling force to fixed block 3 simultaneously and control lifting hook 2 and goods and incline and hoist, there is the shelter when having solved the hoist and move the goods, the goods rocks and hits the problem that the shelter caused the damage easily.

The working principle is as follows: when the utility model is used, the fixed plate 11 is fixedly connected with the main body of the crane through the bolt when the lorry-mounted crane is assembled, thereby the whole suspension arm is fixedly arranged on the crane, when in use, the hydraulic rod 10 is controlled to extend and contract to adjust the length of the suspension arm, so that the suspension arm can carry out a larger range of hoisting work, when in use, the lifting rope take-up reel 5 releases the lifting rope 4, the fixed block 3 drives the lifting hook 2 to fall downwards, a worker hooks the lifting hook 2 with goods, controls the lifting rope take-up reel 5 to shrink the lifting rope 4, thereby hoisting the goods, the limiting ring 13 limits the lifting rope 4, avoids the lifting rope 4 deviating from the lifting rope take-up reel 5 when in release or shrinkage to influence the use of the crane, when the crane hoists the goods, the front fixed take-up reel 9 and the rear fixed take-up reel 6 are linked with the lifting rope take-up reel 5, the lifting hook 2 is limited by applying the pulling force in the opposite, the problem of the hoist 2 drive the goods easily and rock the goods and probably cause the goods to drop and produce danger when hoisting the goods is solved, can exert not equidimension pulling force to fixed block 3 through control simultaneously and control lifting hook 2 and goods and carry out the slope and hoist, there is the shelter object hoist one side when having solved and hoisting the goods, the goods rocks and hits the problem that the shelter object caused the damage easily, has simple structure, convenient to use, excellent in use effect's advantage.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a lorry crane davit which characterized in that: the method comprises the following steps: the lifting rope winding device comprises a fixed arm (1), a lifting hook (2) which is arranged below the fixed arm (1) and used for hooking goods, a lifting rope (4) used for pulling the lifting hook (2) and a lifting rope winding disc (5) used for electrically winding and unwinding the lifting rope (4), wherein the lifting rope winding disc (5) is arranged on the fixed arm (1), the lifting rope (4) is fixedly wound on the lifting rope winding disc (5), a fixed block (3) which vertically downwards drives the lifting rope (4) can be fixedly installed at the lower end of the lifting rope (4), the lifting hook (2) is fixedly installed on the wall surface below the fixed block (3), a front fixed winding disc (9) is arranged in front of the lifting rope winding disc (5), a rear fixed winding disc (6) is arranged behind the lifting rope winding disc (5), and a limiting rope (7) which can limit the lifting hook (2) can be fixedly wound on the front fixed winding disc (9) and the rear fixed winding disc (6, the front wall and the rear wall of the fixed block (3) are respectively and fixedly provided with tension blocks (8), and the two tension blocks (8) are respectively and fixedly connected with the two limiting ropes (7).

2. A lorry crane boom as claimed in claim 1, characterized in that: the fixing arm (1) is a U-shaped supporting structure.

3. A lorry crane boom as claimed in claim 1, characterized in that: fixed columns (12) are fixedly mounted on the left wall face and the right wall face of the lifting rope take-up reel (5) respectively, the two fixed columns (12) correspond to each other left and right, and the two fixed columns (12) are separated from the wall faces and are fixedly connected with the left wall face and the right wall face inside the fixed arm (1) respectively.

4. A lorry crane boom as claimed in claim 2, characterized in that: the left and right wall surfaces of the front fixed take-up reel (9) and the rear fixed take-up reel (6) are fixedly connected with the fixed arm (1) through the fixed column (12) respectively.

5. The lorry-mounted crane boom according to claim 1, characterized in that a limiting ring (13) is arranged on the side surface of the lifting rope (4), a limiting column (14) is fixedly mounted on the side surface of the limiting ring (13), the limiting column (14) is an L-shaped supporting column, and the upper wall surface of the limiting column (14) is fixedly connected with the lower wall surface of the fixing arm (1).

6. A lorry crane boom as claimed in claim 1, characterized in that: the hydraulic rod (10) is fixedly installed on the rear wall face of the fixed arm (1), the fixed plate (11) which can fixedly connect the whole suspension arm with the crane is fixedly installed on the rear wall face of the hydraulic rod (10), and a bolt hole is formed in the fixed plate (11).