CN116119551A - Rotary anti-tilting automobile crane - Google Patents

Rotary anti-tilting automobile crane Download PDF

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Publication number
CN116119551A
CN116119551A CN202310021448.0A CN202310021448A CN116119551A CN 116119551 A CN116119551 A CN 116119551A CN 202310021448 A CN202310021448 A CN 202310021448A CN 116119551 A CN116119551 A CN 116119551A
Authority
CN
China
Prior art keywords
supporting
oil cylinder
seat
automobile body
telescopic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310021448.0A
Other languages
Chinese (zh)
Inventor
王坤
刁铁朝
朱伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Henan Feilong Engineering Machinery Manufacturing Co ltd
Original Assignee
Henan Feilong Engineering Machinery Manufacturing Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Henan Feilong Engineering Machinery Manufacturing Co ltd filed Critical Henan Feilong Engineering Machinery Manufacturing Co ltd
Priority to CN202310021448.0A priority Critical patent/CN116119551A/en
Publication of CN116119551A publication Critical patent/CN116119551A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
    • B66C23/36—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/06—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs mounted for jibbing or luffing movements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/64—Jibs
    • B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
    • B66C23/701—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
    • B66C23/705—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic telescoped by hydraulic jacks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/72—Counterweights or supports for balancing lifting couples
    • B66C23/74—Counterweights or supports for balancing lifting couples separate from jib
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/72—Counterweights or supports for balancing lifting couples
    • B66C23/78—Supports, e.g. outriggers, for mobile cranes
    • B66C23/80—Supports, e.g. outriggers, for mobile cranes hydraulically actuated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/84—Slewing gear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/88—Safety gear

Abstract

The invention relates to a rotary anti-tilting automobile crane, which comprises an automobile body, a stand column, a suspension arm and a hoisting assembly, wherein a rotary platform is arranged between the lower end of the stand column and the automobile body, the rotary platform comprises a lower rotary seat and an upper rotary seat, the lower end face of the lower rotary seat is a plane and is rotatably arranged in the middle of the upper surface of the automobile body, a first included angle is formed between the upper end face of the lower rotary seat and the lower end face of the lower rotary seat, the lower end of the upper rotary seat is rotatably arranged at the upper end of the lower rotary seat, the lower surface of the upper rotary seat is rotatably attached to the upper surface of the lower rotary seat, a second included angle is formed between the lower surface of the upper rotary seat and the upper surface of the upper rotary seat, and the stand column is vertically arranged on the upper surface of the upper rotary seat, and the lower end of the stand column is fixedly arranged in the middle of the upper surface of the upper rotary seat. The invention aims to solve or at least reduce the problem that the automobile crane has lower stability and can turn over when serious, and provides a rotary anti-tilting automobile crane.

Description

Rotary anti-tilting automobile crane
Technical Field
The invention belongs to the technical field of automobile cranes, and particularly relates to a rotary anti-tilting automobile crane.
Background
The automobile crane is one kind of hoisting machinery and is suitable for use in flowability hoisting operation. The conventional automobile crane is mainly used for open-air loading and unloading operation with strong mobility due to the limiting conditions of large turning radius, high operation space height and the like, and the hoisting performance of the conventional automobile crane cannot be fully utilized for operation places such as workshops and tunnels with relatively small space.
The automobile crane for a narrow space is mostly small in size, so that the weight of the automobile crane is relatively low, and the stability of the automobile crane in operation is low. The upright post of the automobile crane is vertically arranged on the automobile body of the automobile crane, when the ground at the working position is an inclined plane and the suspension arm of the automobile crane stretches out longer, the stability of the operation is further reduced, and side turning can occur in severe cases.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, solve or at least reduce the problem that the automobile crane has lower stability and can turn over when serious, and provide a rotary anti-tilting automobile crane.
The invention is realized by the following technical scheme:
the utility model provides a rotatory mobile crane who prevents leaning on, mobile crane includes automobile body, stand, davit and hoist assembly, the automobile body upper surface is the plane, the stand vertically sets up in the automobile body upper surface, and the stand lower extreme rotates with the automobile body to be connected, the one end of davit vertically articulates in the stand upper end, hoist assembly is including lifting reel, wire rope and lifting hook, the lifting hook is located the one end that the stand was kept away from to the davit, wire rope one end winding is in lifting reel, other end fixed connection to lifting hook, be provided with rotary platform between stand lower extreme and the automobile body, rotary platform includes lower roating seat and upper roating seat, the lower terminal surface of lower roating seat is plane and rotates to set up in automobile body upper surface middle part, forms first contained angle between the up end of lower roating seat and the lower terminal surface of lower roating seat, first contained angle is alpha, the lower extreme rotation of upper roating seat sets up in the upper end of lower roating seat, the upper surface of upper roating seat rotates with the upper surface of lower roating seat, form the second contained angle between the upper surface of upper roating seat and the upper surface of upper roating seat, the second is the vertical setting up in the upper surface of upper and lower roating seat.
In order to further realize the invention, the following technical scheme can be preferably selected:
preferably, said α is equal to said β, and both α and β are 5 ° to 25 °.
Preferably, the upper surface of the vehicle body is provided with a circular slideway, the lower rotating seat and the rotating axle center of the vehicle body are coaxially arranged, a first sliding block is arranged in the slideway, the first sliding block is arranged in the slideway in a sliding way along the slideway, a first supporting oil cylinder is arranged between the first sliding block and the suspension arm, and the upper end and the lower end of the first supporting oil cylinder are respectively hinged with the suspension arm and the first sliding block;
the distance value from the hinge joint of the first support oil cylinder and the suspension arm to the rotation axis of the lower rotating seat and the vehicle body is larger than the distance value from the hinge joint of the first support oil cylinder and the first sliding block to the rotation axis of the lower rotating seat and the vehicle body.
Preferably, a second sliding block is arranged in the slideway, the second sliding block is arranged in the slideway in a sliding way along the slideway, a second supporting oil cylinder is arranged between the second sliding block and the upright post, the upper end and the lower end of the second supporting oil cylinder are respectively hinged to the upright post and the second sliding block, the second supporting oil cylinder is positioned at one side of the upright post far away from the first supporting oil cylinder, and the longitudinal central planes of the upright post, the first supporting oil cylinder and the second supporting oil cylinder are positioned in the same plane.
Preferably, the upright post comprises a lower post and an upper post, the upper post is sleeved in the lower post in a sliding manner along the length direction of the lower post, and the upper end of the second support oil cylinder is hinged to the upper part of the lower post.
Preferably, the suspension arm comprises a plurality of arm bodies, wherein the arm bodies are tubular, and the arm bodies are in sliding fit with each other;
the top surface of the arm body is a plane, the cross section of the bottom surface of the arm body is in a downward convex arc shape, and two side surfaces of the arm body are both planes with upper ends inclined inwards.
Preferably, the suspension arm is provided with a plurality of telescopic cylinders, the telescopic cylinders are used for controlling the telescopic motion of a plurality of adjacent arm bodies, and each telescopic cylinder controls different arm bodies;
the fixed end of the telescopic oil cylinder is fixedly arranged on one arm body which is controlled by the telescopic oil cylinder and is close to the upright post, and the telescopic end of the telescopic oil cylinder is connected to other arm bodies controlled by the telescopic oil cylinder in a transmission way.
Preferably, the suspension arm comprises a first telescopic section and a second telescopic section, one end of the first telescopic section, which is close to the upright post, is longitudinally hinged to the upper end of the upright post, one end of the second telescopic section, which is close to the first telescopic section, is transversely hinged to one end of the first telescopic section, which is far away from the upright post, and the upper end of the first support oil cylinder is hinged to the first telescopic section.
Preferably, the lower part of the car body is provided with a counterweight bin, the lifting winding drum is fixedly arranged in the counterweight bin, the steel wire rope outside the lifting winding drum is sequentially distributed along the upright post and the suspension arm, and one section of the steel wire rope extending out of one end of the suspension arm far away from the upright post is turned downwards and connected to the lifting hook.
Preferably, the four corners department of automobile body all is provided with supporting component, supporting component includes supporting seat, support arm, supporting legs and lower support hydro-cylinder, one side transverse rotation of supporting seat sets up in the automobile body, the one end that the support arm is close to the automobile body is vertically articulated in the supporting seat and is kept away from one side lower part of automobile body, the supporting legs is dull and stereotyped form, and supporting legs upper surface middle part vertically articulates in the supporting arm one end lower part of keeping away from the automobile body, both ends are vertically articulated respectively in one side upper portion and the supporting arm middle part that the supporting seat kept away from the automobile body about the lower support hydro-cylinder.
Through the technical scheme, the invention has the beneficial effects that:
the rotary platform is arranged between the vehicle body and the upright post, and the extension direction of the suspension arm and the relative angle between the upright post and the vehicle body can be controlled by rotating and adjusting the relative angle between the lower rotary seat and the vehicle body and the relative angle between the upper rotary seat and the lower rotary seat. Even if the automobile crane works on the inclined ground, the upright post can be in a vertical state, and even the upright post is inclined to one side far away from the extending direction of the suspension arm, so that the stability of the automobile crane during operation is ensured, and side turning is avoided.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a schematic illustration of the connection of the vehicle body to the boom of the present invention;
FIG. 4 is a side view of FIG. 3 of the present invention;
FIG. 5 is a schematic view of the structure of the vehicle body and lower swivel base of the present invention;
FIG. 6 is one of the side views of the rotary platform of the present invention;
FIG. 7 is a second side view of the rotary platform of the present invention;
FIG. 8 is a schematic view of a support assembly according to the present invention;
FIG. 9 is a structural cross-sectional view of the boom of the present invention;
FIG. 10 is a schematic structural view of a boom of the present invention;
wherein: 1-a vehicle body; 2-stand columns; 3-a suspension arm; 4-lifting a winding drum; 5-a steel wire rope; 6-lifting hook; 7-a support assembly; 8-an upper rotating seat; 9-a lower rotating seat; 10-a first slider; 11-a first support cylinder; 12-a second slider; 13-a second support cylinder; 301-a first telescoping section; 302-a second telescoping section; 701-supporting seat; 702-a support arm; 703-supporting feet; 704-lower support cylinder.
Detailed Description
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1:
as shown in fig. 1-8, a rotary anti-tilting automobile crane comprises an automobile body 1, a stand column 2, a suspension arm 3 and a hoisting component, wherein the upper surface of the automobile body 1 is a plane, the stand column 2 is longitudinally arranged on the upper surface of the automobile body 1, the lower end of the stand column 2 is rotationally connected with the automobile body 1, one end of the suspension arm 3 is longitudinally hinged to the upper end of the stand column 2, the hoisting component comprises a lifting drum 4, a steel wire rope 5 and a lifting hook 6, the lifting hook 6 is positioned at one end of the suspension arm 3 far away from the stand column 2, one end of the steel wire rope 5 is wound on the lifting drum 4, the other end of the steel wire rope is fixedly connected with the lifting hook 6, a rotary platform is arranged between the lower end of the stand column 2 and the automobile body 1 and comprises a lower rotary seat 9 and an upper rotary seat 8, the lower terminal surface of lower roating seat 9 is the plane and rotates and set up in automobile body 1 upper surface middle part, form first contained angle between the up end of lower roating seat 9 and the lower terminal surface of lower roating seat 9, first contained angle is alpha, the lower extreme rotation of upper roating seat 8 sets up in the upper end of lower roating seat 9, the laminating is rotated with the upper surface of lower roating seat 9 to the lower surface of upper roating seat 8, form the second contained angle between the lower surface of upper roating seat 8 and the upper surface of upper roating seat 8, the second contained angle is beta, alpha equals beta, alpha and beta are 5-25, stand 2 sets up perpendicularly in the upper surface of upper roating seat 8 and its lower extreme is fixed to be set up in the upper surface middle part of upper roating seat 8.
The lower rotating seat 9 is rotationally connected with the vehicle body 1 through a gear transmission structure so as to adjust the relative angle between the lower rotating seat 9 and the vehicle body 1; the upper rotating seat 8 is rotationally connected with the lower rotating seat 9 through a worm and gear transmission structure so as to adjust the relative angle between the upper rotating seat 8 and the lower rotating seat 9, and the worm and gear transmission structure is of an anti-reverse structure, so that the stability is further ensured.
The crawler belt travelling mechanisms are arranged on two sides of the vehicle body 1, contact points between the crawler belt travelling mechanisms and the ground are large, and the ground scraping capacity is high, so that the stability during operation is improved.
In order to ensure that the longitudinal center plane of the first support oil cylinder 11 and the longitudinal center plane of the suspension arm 3 are positioned in the same plane, so as to ensure the support effect of the first support oil cylinder 11 on the suspension arm 3, thereby ensuring the stability during operation, the upper surface of the vehicle body 1 is provided with a circular slideway, the slideway and the lower rotating seat 9 are coaxially arranged with the rotating axle center of the vehicle body 1, a first sliding block 10 is arranged in the slideway, the first sliding block 10 is arranged in the slideway in a sliding way along the slideway in a sliding way, a first support oil cylinder 11 is arranged between the first sliding block 10 and the suspension arm 3, and the upper end and the lower end of the first support oil cylinder 11 are respectively hinged with the suspension arm 3 and the first sliding block 10;
the distance value from the hinge position of the first support cylinder 11 and the suspension arm 3 to the rotation axis of the lower rotating seat 9 and the vehicle body 1 is larger than the distance value from the hinge position of the first support cylinder 11 and the first sliding block 10 to the rotation axis of the lower rotating seat 9 and the vehicle body 1.
In order to further guarantee stability during operation, be provided with second slider 12 in the slide, second slider 12 slides along the slide and sets up in the slide, is provided with second support cylinder 13 between second slider 12 and the stand 2, and the upper and lower both ends of second support cylinder 13 articulate respectively in stand 2 and second slider 12, and second support cylinder 13 is located the stand 2 and keeps away from one side of first support cylinder 11, and the longitudinal center plane of stand 2, first support cylinder 11 and second support cylinder 13 is located the coplanar.
In order to optimize the product structure, so as to be suitable for different environments, avoid the one end that the davit 3 is close to stand 2 to cause the interference to the surrounding environment, in this embodiment, stand 2 includes lower post and upper column, and the upper column is in the lower post along lower post length direction slip cover, and the upper end of second support hydro-cylinder 13 articulates in lower post upper portion.
As shown in fig. 9, the boom 3 includes a plurality of arms, the arms are tubular, the arms are slidably sleeved with each other, the top surface of the arms is a plane, the cross section of the bottom surface of the arms is in a downward convex arc shape, and both side surfaces of the arms are planes with upper ends inclined inwards; the cross section of the arm body adopts an optimal pear-shaped cross section, the performance of the material is fully utilized, the strength of the suspension arm 3 is ensured, the suspension arm 3 is prevented from bending when being stretched, and the stability is further improved.
In order to improve the telescopic efficiency of the suspension arm 3, the suspension arm 3 is provided with a plurality of telescopic cylinders, the telescopic cylinders are used for controlling the telescopic operation of a plurality of adjacent arm bodies, and each telescopic cylinder controls a different arm body;
the fixed end of the telescopic oil cylinder is fixedly arranged on one arm body which is controlled by the telescopic oil cylinder and is close to the upright post 2, and the telescopic end of the telescopic oil cylinder is connected to other arm bodies controlled by the telescopic oil cylinder in a transmission way.
In order to enable the lifting drum 4 to sink into the counterweight through a compact structure, the size of the upper portion of the vehicle body 1 is reduced, the device is more suitable for a small space, a counterweight bin is arranged on the lower portion of the vehicle body 1, the lifting drum 4 is fixedly installed in the counterweight bin, a steel wire rope 5 outside the lifting drum 4 is sequentially distributed along the upright post 2 and the suspension arm 3, and a section of the steel wire rope 5 extending out of one end of the suspension arm 3 away from the upright post 2 is turned downwards and connected to the lifting hook 6.
The four corners of the vehicle body 1 are respectively provided with a supporting component 7, each supporting component 7 comprises a supporting seat 701, a supporting arm 702, supporting feet 703 and a lower supporting oil cylinder 704, one side of the supporting seat 701 is transversely and rotatably arranged on the vehicle body 1, one end of the supporting arm 702 close to the vehicle body 1 is longitudinally hinged to the lower part of one side of the supporting seat 701 far away from the vehicle body 1, the supporting feet 703 are in a flat plate shape, the middle parts of the upper surfaces of the supporting feet 703 are longitudinally hinged to the lower part of one end of the supporting arm 702 far away from the vehicle body 1, and the upper end and the lower end of the lower supporting oil cylinder 704 are respectively longitudinally hinged to the upper part of one side of the supporting seat 701 far away from the vehicle body 1 and the middle parts of the supporting arms 702; the support arm 702 can adjust suitable position according to the surrounding environment when the automobile crane works, so that the support leg 703 is propped against the ground, and the stability during the operation is further improved.
A rotary platform is arranged between a vehicle body 1 and a stand column 2, and the extension direction of a suspension arm 3 and the relative angle between the stand column 2 and the vehicle body 1 can be controlled by rotating and adjusting the relative angle between a lower rotary seat 9 and the vehicle body 1 and the relative angle between an upper rotary seat 8 and the lower rotary seat 9. Even if the truck crane works on the inclined ground, the upright post 2 can be in a vertical state, and even the upright post 2 is inclined to one side far away from the extending direction of the suspension arm 3, so that the stability of the truck crane during operation is ensured, and side turning is avoided.
Example 2:
the points of embodiment 2 that are the same as embodiment 1 are not described again, except that:
as shown in fig. 10, the boom 3 includes a first telescopic section 301 and a second telescopic section 302, wherein, one end of the first telescopic section 301 close to the upright post 2 is longitudinally hinged to the upper end of the upright post 2, one end of the second telescopic section 302 close to the first telescopic section 301 is transversely hinged to one end of the first telescopic section 301 far from the upright post 2, and the upper end of the first support cylinder 11 is hinged to the first telescopic section 301.
The first telescopic section 301 and the second telescopic section 302 can independently control the telescopic operation, and the transverse angle between the first telescopic section 301 and the second telescopic section 302 can be adjusted, so that the telescopic operation is suitable for a complex environment in a narrow space, the end part of the suspension arm 3 can be conveniently extended to the position right above a lifting position, the applicability is improved, and a lifting object can be lifted vertically, so that the lifting stability is guaranteed.
Finally, it should be noted that: the foregoing description of the preferred embodiments of the present invention is not intended to be limiting, but rather, it will be apparent to those skilled in the art that the foregoing description of the preferred embodiments of the present invention can be modified or equivalents can be substituted for some of the features thereof, and any modification, equivalent substitution, improvement or the like that is within the spirit and principles of the present invention should be included in the scope of the present invention.

Claims (10)

1. The utility model provides a rotatory anti-tilting's mobile crane, mobile crane includes automobile body (1), stand (2), davit (3) and hoist assembly, automobile body (1) upper surface is the plane, stand (2) vertically set up in automobile body (1) upper surface, stand (2) lower extreme and automobile body (1) rotate and are connected, the one end of davit (3) vertically articulates in stand (2) upper end, hoist assembly includes plays to rise reel (4), wire rope (5) and lifting hook (6), lifting hook (6) are located the one end that stand (2) was kept away from to davit (3), wire rope (5) one end twines in play to rise reel (4), the other end fixed connection is to lifting hook (6), a serial communication port, be provided with rotary platform between stand (2) lower extreme and automobile body (1), rotary platform includes lower swivel seat (9) and upper swivel seat (8), the lower terminal surface of lower swivel seat (9) is the plane and rotates and sets up in automobile body (1) upper surface middle part, and lower swivel seat (9) upper end and lower end (9) form the contained angle, upper and lower swivel seat (8) are down in the upper and lower swivel seat (8), a second included angle is formed between the lower surface of the upper rotating seat (8) and the upper surface of the upper rotating seat (8), the second included angle is beta, and the upright post (2) is vertically arranged on the upper surface of the upper rotating seat (8) and the lower end of the upright post is fixedly arranged in the middle of the upper surface of the upper rotating seat (8).
2. A rotary anti-tipping truck crane according to claim 1, characterized in that said α is equal to said β, and that both α and β are 5 ° -25 °.
3. The rotary anti-tilting automobile crane according to claim 1, wherein a circular slideway is arranged on the upper surface of the automobile body (1), the slideway and the lower rotating seat (9) are coaxially arranged with the rotating axle center of the automobile body (1), a first sliding block (10) is arranged in the slideway, the first sliding block (10) is arranged in the slideway in a sliding way along the slideway, a first supporting oil cylinder (11) is arranged between the first sliding block (10) and the suspension arm (3), and the upper end and the lower end of the first supporting oil cylinder (11) are respectively hinged with the suspension arm (3) and the first sliding block (10);
the distance value from the hinge joint of the first support oil cylinder (11) and the suspension arm (3) to the rotation axis of the lower rotating seat (9) and the vehicle body (1) is larger than the distance value from the hinge joint of the first support oil cylinder (11) and the first sliding block (10) to the rotation axis of the lower rotating seat (9) and the vehicle body (1).
4. A rotary anti-tilting automobile crane according to claim 3, characterized in that a second sliding block (12) is arranged in the slideway, the second sliding block (12) is arranged in the slideway in a sliding manner along the slideway, a second supporting oil cylinder (13) is arranged between the second sliding block (12) and the upright post (2), the upper end and the lower end of the second supporting oil cylinder (13) are respectively hinged to the upright post (2) and the second sliding block (12), the second supporting oil cylinder (13) is positioned on one side, far away from the first supporting oil cylinder (11), of the upright post (2), and the longitudinal central planes of the upright post (2), the first supporting oil cylinder (11) and the second supporting oil cylinder (13) are positioned in the same plane.
5. The rotary tilting-proof automobile crane according to claim 4, wherein the upright (2) comprises a lower column and an upper column, the upper column is slidably sleeved in the lower column along the length direction of the lower column, and the upper end of the second support cylinder (13) is hinged to the upper part of the lower column.
6. A rotary anti-tilting truck crane according to claim 1, characterized in that the boom (3) comprises a plurality of arms, which are tubular, which are in sliding engagement with each other;
the top surface of the arm body is a plane, the cross section of the bottom surface of the arm body is in a downward convex arc shape, and two side surfaces of the arm body are both planes with upper ends inclined inwards.
7. A rotary anti-tilting truck crane according to claim 6, characterized in that the boom (3) is provided with a plurality of telescopic cylinders for controlling the telescopic movement of a plurality of adjacent arms, each telescopic cylinder controlling a different arm;
the fixed end of the telescopic oil cylinder is fixedly arranged on one arm body controlled by the telescopic oil cylinder and close to the upright post (2), and the telescopic end of the telescopic oil cylinder is connected to other arm bodies controlled by the telescopic oil cylinder in a transmission way.
8. A rotary anti-tilting truck crane according to claim 3, characterized in that the boom (3) comprises a first telescopic section (301) and a second telescopic section (302), wherein one end of the first telescopic section (301) close to the upright (2) is longitudinally hinged to the upper end of the upright (2), one end of the second telescopic section (302) close to the first telescopic section (301) is transversely hinged to one end of the first telescopic section (301) away from the upright (2), and the upper end of the first support cylinder (11) is hinged to the first telescopic section (301).
9. The rotary anti-tilting automobile crane according to claim 1, wherein a counterweight cabin is arranged at the lower part of the automobile body (1), the lifting reel (4) is fixedly installed in the counterweight cabin, the steel wire rope (5) outside the lifting reel (4) is sequentially distributed along the upright post (2) and the suspension arm (3), and a section of the steel wire rope (5) extending out of one end of the suspension arm (3) away from the upright post (2) is turned downwards and connected to the lifting hook (6).
10. The rotary anti-tilting automobile crane according to claim 1, wherein supporting components (7) are arranged at four corners of the automobile body (1), each supporting component (7) comprises a supporting seat (701), a supporting arm (702), supporting legs (703) and a lower supporting cylinder (704), one side of each supporting seat (701) is transversely rotated to be arranged on the automobile body (1), one end of each supporting arm (702) close to the automobile body (1) is longitudinally hinged to one lower portion of one side of each supporting seat (701) far away from the automobile body (1), each supporting leg (703) is in a flat plate shape, the middle part of the upper surface of each supporting leg (703) is longitudinally hinged to one lower portion of one end of each supporting arm (702) far away from the automobile body (1), and the upper end and the lower end of each lower supporting cylinder (704) are respectively longitudinally hinged to one upper portion of one side of each supporting seat (701) far away from the automobile body (1) and the middle part of each supporting arm (702).
CN202310021448.0A 2023-01-07 2023-01-07 Rotary anti-tilting automobile crane Pending CN116119551A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310021448.0A CN116119551A (en) 2023-01-07 2023-01-07 Rotary anti-tilting automobile crane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310021448.0A CN116119551A (en) 2023-01-07 2023-01-07 Rotary anti-tilting automobile crane

Publications (1)

Publication Number Publication Date
CN116119551A true CN116119551A (en) 2023-05-16

Family

ID=86305961

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310021448.0A Pending CN116119551A (en) 2023-01-07 2023-01-07 Rotary anti-tilting automobile crane

Country Status (1)

Country Link
CN (1) CN116119551A (en)

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