CN210915059U

CN210915059U - Crane boom strengthening and protecting device

Info

Publication number: CN210915059U
Application number: CN201922014353.8U
Authority: CN
Inventors: 李玉顺; 刘建书; 喻瑞波; 蔡宛涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-20
Filing date: 2019-11-20
Publication date: 2020-07-03
Anticipated expiration: 2029-11-20

Abstract

The utility model relates to a hoisting equipment technical field just discloses a protector is strengthened to hoist jib loading boom, which comprises a carriage body, the top fixed mounting of automobile body has the roating seat, fixed jib loading boom has been cup jointed in the activity on the fixed axle at roating seat middle part. This protector is strengthened to hoist jib loading boom, promote the mount through starting the second hydraulic stem and extend, thereby it rotates with the action wheel to drive the main shaft through starter motor, utilize the transmission of belt, it rotates to drive the subshaft, and then it rotates to drive the reel, wire rope on the wire wheel is taut on the mount, thereby it is taut to make to fix the wire rope that flexible jib loading boom hung and detain, form the support strengthening mechanism to the jib loading boom, stability when this device improves the jib loading boom use on the one hand, on the other hand, can also be when first hydraulic stem trouble can't support the jib loading boom, play the effect of support, avoid the jib loading boom to fall and take place the incident, the security that the jib loading boom.

Description

Crane boom strengthening and protecting device

Technical Field

The utility model relates to a hoisting equipment technical field specifically is a protector is strengthened to hoist jib loading boom.

Background

The crane boom is commonly called as a boom and a suspension arm. A metal structural member for supporting the bidirectional bending of a lifting rope, a fetching device or a variable amplitude trolley. The connecting pin shaft, the steel wire rope or the hydraulic cylinder are supported on a rotary table or a tower body of the crane. For a cargo boom which can swing in a pitching way, the inclination angle of the cargo boom is changed by a luffing mechanism so as to change the amplitude and the lifting height of the crane; the horizontal crane arm is changed in amplitude by the amplitude-variable trolley moving back and forth on the horizontal crane arm. The truss type lifting device is divided into a truss lifting arm and a box lifting arm according to different structures; the device is divided into a movable arm of a crane, a main cargo boom, an auxiliary cargo boom, a telescopic boom, a folding boom, a goose head frame and the like according to different functions.

However, the boom of the existing crane is usually supported by only one hydraulic rod for adjusting the angle of the boom, when the boom is extended, the center of gravity of the boom is deviated, the boom is not stably supported by only one hydraulic rod, and when the hydraulic rod fails, the boom is completely unsupported, and at this time, safety accidents are very easy to occur.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a protector is strengthened to hoist jib loading boom possesses the advantage that improves stability and security when the jib loading boom uses, and the jib loading boom of having solved current hoist only supports by a hydraulic stem that is used for adjusting the jib loading boom angle usually, and when the jib loading boom extension back, the skew appears in the focus of jib loading boom, and it is unstable only to support the jib loading boom by a hydraulic stem, and when the hydraulic stem breaks down, the jib loading boom loses the support completely, very easily the problem of incident appears this moment.

The utility model provides a following technical scheme: a crane boom strengthening and protecting device comprises a vehicle body, wherein a rotating seat is fixedly mounted at the top of the vehicle body, a fixed boom is movably sleeved on a fixed shaft in the middle of the rotating seat, a telescopic boom is movably sleeved at one end of the fixed boom, a first hinged seat positioned on the right side of the rotating seat is fixedly mounted at the top of the vehicle body, a first hydraulic rod is hinged to the first hinged seat through a shaft, a second hinged seat is fixedly mounted on the side surface of the fixed boom, a second hydraulic rod is hinged to the second hinged seat through a shaft, a third hinged seat positioned on the right side of the second hinged seat is fixedly mounted on the side surface of the fixed boom, a fixed frame is hinged to the third hinged seat through a shaft, a wire guide wheel is movably sleeved on the fixed shaft at the top of the fixed frame, a hanging buckle is fixedly mounted at the top of one end of the telescopic boom, a wire frame positioned on the left side, the top movable sleeve of line frame is equipped with the slave shaft, the slave shaft is located one of line frame outside and is served fixed cover and be equipped with from the driving wheel, the belt has been cup jointed from the activity on the driving wheel, the slave shaft is located one of line frame inside and is served fixed cover and be equipped with the reel, the top fixed mounting of automobile body has the motor frame that is located line frame right side, fixed mounting has the motor on the motor frame, fixed cover is equipped with the main shaft on the output shaft of motor, one of main shaft is served fixed cover and is equipped.

Preferably, the movable end of the first hydraulic rod is hinged to the bottom of the fixed crane arm through a shaft.

Preferably, the movable end of the second hydraulic rod is hinged to the middle of the left side of the fixed frame through a shaft.

Preferably, the driving wheel is movably sleeved with one end, far away from the driven wheel, of the belt, and the driving wheel is in transmission connection with the driven wheel through the belt.

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

1. this protector is strengthened to hoist jib loading boom, promote the mount through starting the second hydraulic stem and extend, thereby it rotates with the action wheel to drive the main shaft through starter motor, utilize the transmission of belt, it rotates to drive the subshaft, and then it rotates to drive the reel, wire rope on the wire wheel is taut on the mount, thereby it is taut to make to fix the wire rope that flexible jib loading boom hung and detain, form the support strengthening mechanism to the jib loading boom, stability when this device improves the jib loading boom use on the one hand, on the other hand, can also be when first hydraulic stem trouble can't support the jib loading boom, play the effect of support, avoid the jib loading boom to fall and take place the incident, the security that the jib loading boom.

2. This protector is strengthened to hoist jib loading boom drives reel antiport through starter motor to lax wire rope, restart second hydraulic stem drive mount gyration and fold up, can realize not influencing the folding of jib loading boom and accomodate, be convenient for transportation and removal to this bearing structure's folding.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the structure motor of the present invention.

In the figure: 1. a vehicle body; 2. a rotating base; 3. fixing a crane boom; 4. a boom is telescopic; 5. a first hinge mount; 6. a first hydraulic lever; 7. a second hinge mount; 8. a second hydraulic rod; 9. a third hinge mount; 10. a fixed mount; 11. a wire guide wheel; 12. hanging and buckling; 13. a wire frame; 14. a driven shaft; 15. a driven wheel; 16. a belt; 17. a reel; 18. a motor frame; 19. a motor; 20. a main shaft; 21. a driving wheel.

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.

Referring to fig. 1-2, a crane boom reinforcement and protection device comprises a vehicle body 1, a rotating base 2 is fixedly installed on the top of the vehicle body 1, a fixed boom 3 is movably sleeved on a fixed shaft in the middle of the rotating base 2, a telescopic boom 4 is movably sleeved on one end of the fixed boom 3, the boom in the prior art is generally divided into a fixed end and a movable end, namely the fixed boom 3 and the telescopic boom 4 in the present application, when the telescopic boom 4 extends out, the device can drive a reel 17 to rotate through a synchronous starting motor 19, so as to loosen a steel wire rope fixed on a hanging buckle 12 of the telescopic boom 4, and extend the telescopic boom 4 synchronously, so as to ensure that the steel wire rope on the reel 17 forms a support and reinforcement structure for the boom by cooperating with a wire guide wheel 11 and the hanging buckle 12, a first hinge base 5 located on the right side of the rotating base 2, the first hinged seat 5 is hinged with a first hydraulic rod 6 through a shaft, the movable end of the first hydraulic rod 6 is hinged at the bottom of the fixed crane boom 3 through a shaft, a dual second hinged seat 7 is fixedly installed on the side surface of the fixed crane boom 3, the second hinged seat 7 is hinged with a second hydraulic rod 8 through a shaft, after the device is used, a motor 19 drives a reel 17 to reversely rotate, so that a steel wire rope on a wire winding wheel is loosened, the second hydraulic rod 8 is started to drive the fixing frame 10 to rotate and fold, the second hydraulic rod 8 and the fixing frame 10 can be folded, space is not occupied, movement and transportation of the crane boom are facilitated, the movable end of the second hydraulic rod 8 is hinged in the middle of the left side of the fixing frame 10 through a shaft, a third hinged seat 9 positioned on the right side of the second hinged seat 7 is fixedly installed on the side surface of the fixed crane boom 3, and the fixing frame 10 is hinged, the device is characterized in that a wire guide wheel 11 is movably sleeved on a fixed shaft at the top of a fixed frame 10, a hanging buckle 12 is fixedly installed at the top of one end of a telescopic boom 4, a wire frame 13 positioned at the left side of a rotary seat 2 is fixedly installed at the top of a vehicle body 1, a driven shaft 14 is movably sleeved at the top of the wire frame 13, a driven wheel 15 is fixedly sleeved at one end of the driven shaft 14 positioned at the outer part of the wire frame 13, a belt 16 is movably sleeved on the driven wheel 15, a reel 17 is fixedly sleeved at one end of the driven shaft 14 positioned at the inner part of the wire frame 13, a motor frame 18 positioned at the right side of the wire frame 13 is fixedly installed at the top of the vehicle body 1, and a motor 19 is fixedly installed on the motor frame 18. under the normal use condition, a main shaft 20 and a driving wheel 21 are driven to, thereby make the wire rope of fixing on flexible jib loading boom 4 and hang knot 12 taut, form the support strengthening mechanism to the jib loading boom, stability when improving the jib loading boom and using, and when the first hydraulic stem 6 breaks down and can't support and the angle modulation to the jib loading boom, can avoid the jib loading boom to take place to fall through above-mentioned mechanism, the security is higher, and can play the effect of adjusting the jib loading boom angle temporarily simultaneously, can ensure the use of jib loading boom under emergency, the fixed cover is equipped with main shaft 20 on the output shaft of motor 19, the fixed cover is equipped with action wheel 21 on one end of main shaft 20, action wheel 21 cup joints with the belt 16 one end activity that keeps away from driven wheel 15, and action wheel 21 is connected with driven wheel.

The working principle is as follows: firstly, when the crane boom is used, the first hydraulic rod 6 is started to drive the fixed crane boom 3 to rotate around the rotating seat 2, the angle is adjusted, then the second hydraulic rod 8 is started to drive the fixed frame 10 to rotate around the third hinged seat 9 and then prop up, the motor 19 is started to drive the main shaft 20 and the driving wheel 21 to rotate, the driven shaft 14 is driven to rotate by the transmission of the belt 16, the reel 17 is driven to rotate, the steel wire rope on the wire guide wheel 11 on the fixed frame 10 is tensioned, so that the steel wire rope fixed on the hanging buckle 12 of the telescopic crane boom 4 is tensioned, a supporting and reinforcing mechanism for the crane boom is formed, finally, when the crane boom is used, the motor 19 is started to drive the main shaft 20 to rotate reversely, so that the reel 17 is driven to rotate reversely, the steel wire rope is loosened, the second hydraulic rod 8 is started to contract, so that, and then starting the first hydraulic rod 6 to contract to drive the fixed crane boom 3 to descend.

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. A crane boom reinforcement and protection device comprises a vehicle body (1), and is characterized in that: the crane comprises a car body (1), a rotating seat (2) is fixedly installed at the top of the car body (1), a fixed crane boom (3) is movably sleeved on a fixed shaft at the middle part of the rotating seat (2), a telescopic crane boom (4) is movably sleeved at one end of the fixed crane boom (3), a first hinged seat (5) positioned on the right side of the rotating seat (2) is fixedly installed at the top of the car body (1), a first hydraulic rod (6) is hinged to the first hinged seat (5) through a shaft, a second hinged seat (7) is fixedly installed on the side surface of the fixed crane boom (3), a second hydraulic rod (8) is hinged to the second hinged seat (7) through a shaft, a third hinged seat (9) positioned on the right side of the second hinged seat (7) is fixedly installed on the side surface of the fixed crane boom (3), a fixing frame (10) is hinged to the third hinged seat (9) through a shaft, a guide wire wheel (11) is movably, a hanging buckle (12) is fixedly arranged at the top of one end of the telescopic boom (4), a wire frame (13) positioned at the left side of the rotating seat (2) is fixedly arranged at the top of the vehicle body (1), a driven wheel (15) is fixedly sleeved on one end of the driven shaft (14) positioned outside the wire frame (13), a belt (16) is movably sleeved on the driven wheel (15), a winding wheel (17) is fixedly sleeved on one end of the driven shaft (14) positioned in the wire frame (13), a motor frame (18) positioned at the right side of the wire frame (13) is fixedly arranged at the top of the vehicle body (1), the motor is characterized in that a motor (19) is fixedly mounted on the motor frame (18), a main shaft (20) is fixedly sleeved on an output shaft of the motor (19), and a driving wheel (21) is fixedly sleeved on one end of the main shaft (20).

2. The crane boom reinforcement guard as claimed in claim 1, wherein: the movable end of the first hydraulic rod (6) is hinged to the bottom of the fixed crane boom (3) through a shaft.

3. The crane boom reinforcement guard as claimed in claim 1, wherein: the movable end of the second hydraulic rod (8) is hinged to the middle of the left side of the fixed frame (10) through a shaft.

4. The crane boom reinforcement guard as claimed in claim 1, wherein: the driving wheel (21) is movably sleeved with one end, far away from the driven wheel (15), of the belt (16), and the driving wheel (21) is in transmission connection with the driven wheel (15) through the belt (16).