CN220011950U

CN220011950U - Suspension arm mechanism for automobile crane

Info

Publication number: CN220011950U
Application number: CN202321702454.4U
Authority: CN
Inventors: 田占锋; 田圣宏; 李强; 王岩
Original assignee: Jining Hongtong Runda Machinery Co ltd
Current assignee: Jining Hongtong Runda Machinery Co ltd
Priority date: 2023-07-01
Filing date: 2023-07-01
Publication date: 2023-11-14
Anticipated expiration: 2033-07-01

Abstract

The utility model discloses a suspension arm mechanism for an automobile crane, which comprises a supporting table, wherein a suspension arm is arranged at the top of the supporting table, when a worker needs to change the gravity center position, a second telescopic rod is started to shrink first, the second telescopic rod drives a supporting rod to move, so that the supporting rod drives a bearing and a fixed ring to move towards the back, the fixed ring drives the suspension arm to move towards the back, meanwhile, the suspension arm drives the fixed ring to rotate along the outer side of the bearing, the suspension arm drives the fixed rod to move towards the back, the fixed rod drives a circular tube to move along the inner side of a movable groove, the suspension arm drives the fixed rod to upwards squeeze the circular tube to be in contact with the inner side of the top wall of the movable groove, when the fixed rod moves, the fixed rod drives the circular tube to roll with the inner side of the top wall of the movable groove, the movement of the suspension arm is convenient, the suspension arm stretches along with the movement of the suspension arm in the process, the gravity center position of the device is changed through the movement of the suspension arm, the device is prevented from turning over, and the safety is improved.

Description

Suspension arm mechanism for automobile crane

Technical Field

The utility model relates to the technical field of suspension arm mechanisms, in particular to a suspension arm mechanism for an automobile crane.

Background

The boom mechanism is one of the indispensable devices in the automobile crane assembly process, can lift an object with large weight under the operation of a worker, and is not perfect enough in the conventional device and has no facility for conveniently adjusting the gravity center position, and the boom mechanism for the automobile crane can provide convenience for the worker.

Patent document: CN209957269U is a novel crane jib mechanism, "including main shaft, extension shaft, shaft coupling piece and mount pad, one side of main shaft is provided with the extension shaft, and the shaft coupling piece is installed to the one end of extension shaft, and the inside of shaft coupling piece is embedded to have the singlechip, and the other end movable mounting of shaft coupling piece has the mount pad, and the lifting hook is installed to the bottom of mount pad, the fixed pulley is all installed through the installation pole on both sides of shaft coupling piece lateral wall, and the inside of fixed pulley is embedded to have annular sensor, the inside both sides of main shaft are installed the drive wheel through the pivot respectively, and the utility model not only can make the lifting hook avoid the position in the driver's cabin in front, does not influence the driver and can whistle the demonstration people, warn that the driver top is about to touch the object, needs to notice. A new type of truck crane boom mechanism of the above-mentioned publication mainly considers how to alert the driver that the top end is about to touch an object.

The existing suspension arm mechanism usually needs to lift objects with different weights during working, so that the center of the device can be changed along with the change of the weight of the object, the phenomenon of turning over easily occurs, the gravity center is inconvenient to adjust, and the safety is improved.

Disclosure of Invention

The utility model aims to provide a suspension arm mechanism for an automobile crane, which can solve the technical problems that the gravity center is inconvenient to adjust and the safety is low in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a suspension arm mechanism for an automobile crane comprises a supporting table, wherein a suspension arm is arranged at the top of the supporting table;

the movable groove has been seted up at the top of brace table, solid pole is installed to the both sides of davit, the pipe is installed in the outside of solid pole, and the pipe is located the inboard in movable groove, a set of solid piece is installed at the top of brace table, telescopic link two is installed in the front of solid piece, branch is installed in the front of telescopic link two, the bearing is installed in the outside of branch, a set of solid fixed ring is installed to the both sides of davit, and gu fixed ring is located the outside of bearing.

Preferably, the telescopic rod I is arranged at the top of the supporting table and positioned at the middle position of the two fixed blocks, one end of the telescopic rod I is connected with the suspension arm, the take-up pulley is arranged at the top of the suspension arm, and the motor is arranged at one side of the take-up pulley.

Preferably, a steel wire rope is arranged on the outer side of the take-up pulley.

Preferably, a lifting hook is arranged at one end of the steel wire rope.

Preferably, the back of the suspension arm is provided with a placing plate, the back of the suspension arm is provided with a telescopic rod III, the telescopic rod III is positioned at the top of the placing plate, one end of the telescopic rod III is provided with a push plate, and two ends of the push plate are provided with racks.

Preferably, a group of rotating rods are installed inside the placing plate in a penetrating mode through the other bearing, gears are installed on the outer sides of the rotating rods, and the gears are meshed with the racks.

Preferably, the motor is installed to the bottom of bull stick, and even board is installed in the output outside of motor, and even the back of board installs the light.

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

1. according to the utility model, when a worker needs to change the gravity center position, the telescopic rod II is started to shrink, the telescopic rod II drives the supporting rod to move, so that the supporting rod drives the bearing and the fixing ring to move towards the back under the action of external force, the fixing ring drives the suspension arm to move towards the back, meanwhile, the suspension arm drives the fixing ring to rotate along the outer side of the bearing, the suspension arm drives the fixing rod to move towards the back, the fixing rod drives the round tube to move along the inner side of the movable groove under the action of external force, the suspension arm drives the fixing rod to upwards squeeze the round tube to be in contact with the inner side of the top wall of the movable groove, when the fixing rod moves, the fixing rod drives the round tube to generate rolling friction with the inner side of the top wall of the movable groove, the suspension arm can conveniently move, the telescopic rod stretches and contracts along with the movement of the suspension arm in the process of movement of the suspension arm, the gravity center position of the device is changed through the movement of the suspension arm, the device is prevented from overturning, and safety is improved.

2. According to the utility model, when the illuminating lamps are installed, a worker needs to illuminate a designated position, two illuminating lamps are started to illuminate firstly, then the output end of the motor can drive the first output end of the rotating plate to rotate as the center of a circle under the action of external force through starting the motor, the rotating plate drives the illuminating lamps to rotate, the illuminating area of the illuminating lamps can rotate up and down along the direction of the steel wire rope, when other areas need to be illuminated, the worker starts the telescopic rod III to extend, the telescopic rod III drives the push plate to move towards the back, the push plate drives the rack to move under the action of external force, the rack drives the rotating rod to rotate under the meshing action of the rack and the gear, the rotating rod drives the motor to rotate, the motor drives the illuminating lamps to rotate along the vertical direction of the steel wire rope through the output end and the connecting plate, and the worker can illuminate the required position, so that convenience is provided for the worker.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a schematic perspective view of a circular tube according to the present utility model;

FIG. 3 is a schematic diagram of a movable trough structure according to the present utility model;

FIG. 4 is a schematic view of a placement plate structure of the present utility model;

fig. 5 is a schematic view of a rotating rod structure according to the present utility model.

In the figure: 1. a support table; 2. a first telescopic rod; 3. a suspension arm; 4. a wire winding wheel; 5. a motor; 6. a wire rope; 7. a lifting hook; 8. a movable groove; 9. a fixed rod; 10. a round tube; 11. fixing blocks; 12. a second telescopic rod; 13. a support rod; 14. a bearing; 15. a fixing ring; 16. placing a plate; 17. a telescopic rod III; 18. a push plate; 19. a rack; 20. a rotating rod; 21. a gear; 22. a motor; 23. a connecting plate; 24. an illuminating lamp.

Description of the embodiments

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only one embodiment of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. It will be apparent to those skilled in the art that the specific meaning of the terms described above in the present utility model may be practiced in specific cases.

Referring to fig. 1 and 2, a boom mechanism for an automobile crane;

including brace table 1, davit 3 is installed at the top of brace table 1, telescopic link one 2 is installed at the top of brace table 1, and telescopic link one 2 is located the intermediate position of two fixed blocks 11, the one end and the davit 3 of telescopic link one 2 are connected, brace table 1 can provide firm support for davit 3, brace table 1 can provide firm support for telescopic link one 2, take-up pulley 4 is installed at the top of davit 3, motor 5 is installed to one side of take-up pulley 4, wire rope 6 is installed in the outside of take-up pulley 4, lifting hook 7 is installed to one end of wire rope 6, the davit 3 can provide firm support for take-up pulley 4, motor 5 can provide rotary power for take-up pulley 4, take-up pulley 4 can provide winding space for wire rope 6, staff starts the davit 3 extension, simultaneously starts telescopic link one 2 extension, telescopic link one 2 promotes the davit 3 rotation, make telescopic link one 2 support davit 3, then staff hangs lifting hook 7 on the surface of object, start motor 5 drives take-up pulley 4 rotation, take-up pulley 6 twine wire rope 6 in the outside of taking-up pulley 7 makes wire rope 7 drive lifting hook 7 upwards and remove object upward.

Referring to fig. 1, 2 and 3, a boom 3 mechanism for an automotive crane;

comprises a movable groove 8, a movable groove 8 is formed in the top of a supporting table 1, a fixed rod 9 is arranged on two sides of a suspension arm 3, a circular tube 10 is arranged on the outer side of the fixed rod 9, the circular tube 10 is positioned on the inner side of the movable groove 8, a group of fixed blocks 11 are arranged on the top of the supporting table 1, a telescopic rod II 12 is arranged on the front surface of the fixed block 11, a supporting rod 13 is arranged on the front surface of the telescopic rod II 12, a bearing 14 is arranged on the outer side of the supporting rod 13, a group of fixed rings 15 are arranged on two sides of the suspension arm 3, the fixed rings 15 are positioned on the outer side of the bearing 14, the supporting table 1 can provide a space for the movable groove 8, the movable groove 8 can provide a movable space for the fixed rod 9 and the circular tube 10, the circular tube 10 can provide a penetrating space for the fixed rod 9, when a worker needs to change the gravity center position, the telescopic rod II is started to shrink first, the telescopic rod II 12 drives the supporting rod 13 to move, make branch 13 drive bearing 14 and solid fixed ring 15 to the back removal under the effect of external force, gu fixed ring 15 drives davit 3 to the back removal, simultaneously davit 3 drives solid fixed ring 15 along the outside rotation of bearing 14, davit 3 drives solid pole 9 to the back removal, make solid pole 9 drive pipe 10 under the effect of external force along the inboard of movable groove 8 remove, davit 3 drives solid pole 9 with pipe 10 upwards extrude with the inboard contact of the roof of movable groove 8, when solid pole 9 removes, gu pole 9 drives pipe 10 and the inboard rolling friction of roof of movable groove 8, the removal of davit 3 is convenient, davit 3 can stretch out and draw back along with the removal of davit 3 at the in-process telescopic link 1, change the focus position of the device through the removal of davit 3, prevent that the device from taking place the roll over, the security has been improved.

Referring to fig. 1, 4 and 5, a boom 3 mechanism for an automotive crane;

including placing board 16, the back-mounted of davit 3 has places board 16, the back-mounted of davit 3 has telescopic link three 17, and telescopic link three 17 is located the top of placing board 16, push pedal 18 is installed to one end of telescopic link three 17, rack 19 is installed at the both ends of push pedal 18, place the inside of board 16 through another bearing 14 run through install a set of bull stick 20, gear 21 is installed in the outside of bull stick 20, and gear 21 and rack 19 meshing, motor 22 is installed to the bottom of bull stick 20, link plate 23 is installed in the output outside of motor 22, link plate 23's back-mounted has light 24, the staff need carry out the illumination to the assigned position when, first start two lights 24 and carry out illumination, afterwards can drive a rotating plate output end as the centre of a circle rotation through starter motor 22 under the effect of external force, the rotating plate drive light 24 makes the illumination region of light 24 rotate along the direction of wire rope 6, when needs to carry out illumination to other regions, staff starts telescopic link rod three 17 and stretches, telescopic link plate 17 drives push pedal 18 to the back-side movement, make push pedal 18 drive motor 19 under the effect of external force and make gear 19 and rack 19 and drive the effect of rack 20 and make the work rope 24 rotate along the direction of rotation, make the staff's rotation need rotate along the wire rope 24, make the position of drive the work position of the staff rotate along the rotary plate 20, and can drive the staff and drive the position to rotate along the light through the effect of the wire rope 20, and can make the staff rotate along the effect to rotate along the effect of the wire drive wire 20, and can be convenient to rotate along the people.

Working principle: before the device is used, whether the device has the problem of influencing the use or not is checked, when a worker needs to use the device, the telescopic rod I2 and the suspension arm 3 are stretched, one end of the suspension arm 3 is positioned at a proper position, the suspension hook 7 is hung on the surface of an object, the object is lifted by the starting motor 5, when the gravity center is unstable, the telescopic rod II 12 is shortened to drive the suspension arm 3 to move, the gravity center is adjusted, when the ambient light is darker, the lamp is turned on and turned off, the lamp is rotated in the direction perpendicular to the steel wire rope 6 through the telescopic rod III 17, the motor 22 is started to enable the lamp to rotate in the direction of the steel wire rope 6, and the illumination area is adjusted.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Boom mechanism for an automobile crane, comprising a support table (1), characterized in that: a suspension arm (3) is arranged at the top of the supporting table (1);

the utility model discloses a telescopic boom structure, including supporting bench (1), cantilever (3), fixed pole (9) are installed at the top of supporting bench (1), pipe (10) are installed in the both sides of cantilever (3), and pipe (10) are located the inboard of movable slot (8) in the outside of fixed pole (9), a set of fixed block (11) are installed at the top of supporting bench (1), telescopic link second (12) are installed in the front of fixed block (11), branch (13) are installed in the front of telescopic link second (12), bearing (14) are installed in the outside of branch (13), a set of solid fixed ring (15) are installed to the both sides of cantilever (3), and gu fixed ring (15) are located the outside of bearing (14).

2. A boom mechanism for an automotive crane according to claim 1, characterized in that: the telescopic support is characterized in that a telescopic rod I (2) is arranged at the top of the supporting table (1), the telescopic rod I (2) is located in the middle of two fixed blocks (11), one end of the telescopic rod I (2) is connected with the suspension arm (3), a take-up pulley (4) is arranged at the top of the suspension arm (3), and a motor (5) is arranged on one side of the take-up pulley (4).

3. A boom mechanism for an automotive crane according to claim 2, characterized in that: the outer side of the take-up pulley (4) is provided with a steel wire rope (6).

4. A boom mechanism for an automotive crane according to claim 3, characterized in that: and a lifting hook (7) is arranged at one end of the steel wire rope (6).

5. A boom mechanism for an automotive crane according to claim 2, characterized in that: the back of davit (3) is installed and is placed board (16), and the back of davit (3) is installed telescopic link III (17), and telescopic link III (17) are located the top of placing board (16), and push pedal (18) are installed to one end of telescopic link III (17), and rack (19) are installed at the both ends of push pedal (18).

6. A boom mechanism for an automotive crane according to claim 5, characterized in that: a group of rotating rods (20) are arranged in the placing plate (16) in a penetrating mode through the other bearing (14), a gear (21) is arranged on the outer side of each rotating rod (20), and the gear (21) is meshed with the rack (19).

7. A boom mechanism for an automotive crane according to claim 6, characterized in that: the motor (22) is installed to the bottom of bull stick (20), and link board (23) are installed in the output outside of motor (22), and light (24) are installed to the back of link board (23).