CN112919340A - Automobile type fast-assembling tower crane for small-sized residential building - Google Patents

Automobile type fast-assembling tower crane for small-sized residential building Download PDF

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Publication number
CN112919340A
CN112919340A CN202110215485.6A CN202110215485A CN112919340A CN 112919340 A CN112919340 A CN 112919340A CN 202110215485 A CN202110215485 A CN 202110215485A CN 112919340 A CN112919340 A CN 112919340A
Authority
CN
China
Prior art keywords
pulley
tower crane
wire rope
small
load
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
CN202110215485.6A
Other languages
Chinese (zh)
Inventor
王建军
米成宏
郭耀松
杨闳崴
王科伟
赵玉香
王福利
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.)
Xuzhou Construction Machinery Group Co Ltd XCMG
Original Assignee
Xuzhou Construction Machinery Group Co Ltd XCMG
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 Xuzhou Construction Machinery Group Co Ltd XCMG filed Critical Xuzhou Construction Machinery Group Co Ltd XCMG
Priority to CN202110215485.6A priority Critical patent/CN112919340A/en
Publication of CN112919340A publication Critical patent/CN112919340A/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
    • B66C23/42—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 with jibs of adjustable configuration, e.g. foldable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C11/00—Trolleys or crabs, e.g. operating above runways
    • B66C11/02—Trolleys or crabs, e.g. operating above runways with operating gear or operator's cabin suspended, or laterally offset, from runway or track
    • B66C11/04—Underhung trolleys
    • 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
    • B66C23/82—Luffing gear
    • B66C23/821—Bracing equipment for booms
    • B66C23/826—Bracing equipment acting at an inclined angle to vertical and horizontal directions
    • B66C23/828—Bracing equipment acting at an inclined angle to vertical and horizontal directions where the angle is adjustable

Abstract

The invention discloses an automobile type fast-assembly tower crane for small-sized residential building construction, which comprises a main arm, an auxiliary arm, a load-carrying trolley and a lifting hook, wherein the auxiliary arm is connected with the main arm through a connector, a slideway is arranged at the belly of the auxiliary arm, the load-carrying trolley is arranged on the slideway and can slide back and forth at the bottom of the auxiliary arm along the slideway, and the lifting hook is connected below the load-carrying trolley through a steel wire rope. The lifting hook is driven to move up and down by the lifting steel wire rope, and the load-carrying trolley is driven to move in an amplitude-variable manner by the amplitude-variable steel wire rope, so that the working range of the auxiliary arm can be effectively expanded.

Description

Automobile type fast-assembling tower crane for small-sized residential building
Technical Field
The invention relates to the technical field of cranes, in particular to an automobile type quick-assembly tower crane for small-sized residential building construction.
Background
The automobile crane is common engineering mechanical equipment in the market, has wide operation adaptability due to the characteristics of convenient operation and flexible transition, is popular among customers, and is also the main force of the current engineering infrastructure. During operation, the crane loading part mainly depends on a crane boom to bear load, and the load is transferred through actions of lifting, rotation, amplitude variation and the like. As shown in figure 6, the crane boom of the automobile crane mainly comprises a main boom c and an auxiliary boom d, wherein the auxiliary boom d is arranged at the head of the main boom c, the bearing capacity of the auxiliary boom d is small, but the working height is high and the working amplitude is large. The steel wire rope of the main hoisting mechanism a is connected with a main hook f, and the steel wire rope of the auxiliary hoisting mechanism b is connected with an auxiliary hook e. Large hoisting loads are generally completed by means of a main arm and a main hook; small loads are generally achieved by using auxiliary arms and auxiliary lifting hooks, particularly when the lifting height is high and the working amplitude is large. Although the truck crane with the main arm and the auxiliary arm has certain adaptability, the reduction of the elevation angle of the main arm c can greatly reduce the bearing capacity of the main arm c, and simultaneously can reduce the operation space of the crane in the height direction, so that the truck crane has certain operation limitation under certain use working conditions.
Disclosure of Invention
The invention aims to provide an automobile type fast-assembling tower crane for small-sized house construction, which can enable an auxiliary arm to have the function of a tower type crane arm and expand the operation function of the tower type crane through a load-carrying trolley below the auxiliary arm.
In order to achieve the purpose, the automobile type fast-assembly tower crane for small-sized house construction comprises a main arm, an auxiliary arm, a load-carrying trolley and a lifting hook, wherein the auxiliary arm is connected with the main arm through a connecting body, a slide way is arranged at the belly of the auxiliary arm, the load-carrying trolley is arranged on the slide way and can slide back and forth at the bottom of the auxiliary arm along the slide way, and the lifting hook is connected below the load-carrying trolley through a steel wire rope.
Furthermore, a first pulley is arranged at the head of the main arm, a second pulley is arranged on the connecting body, a third pulley is arranged on the load-carrying trolley, a fourth pulley is arranged on the lifting hook, a fifth pulley is arranged at the head of the auxiliary arm, and a sixth pulley is arranged at the tail of the auxiliary arm; the quick-assembly tower crane further comprises a variable-amplitude steel wire rope, the variable-amplitude steel wire rope bypasses the fifth pulley and the sixth pulley, and the rope end is fixed on the load-carrying trolley.
Furthermore, a hoisting steel wire rope is further arranged on the fast-assembly tower crane and bypasses the first pulley, the second pulley, the third pulley and the fourth pulley, and the rope end is fixed to the head of the auxiliary arm.
Further, the connecting body is connected with the main arm through a pin shaft.
Further, the connector is a variable angle structure, the variable angle structure comprises a variable angle connecting rod and a variable angle connecting seat, and the variable angle connecting rod is connected with the variable angle connecting seat through a pin shaft.
Furthermore, a row of connecting holes are formed in the angle-variable connecting seat.
The invention has the beneficial effects that: the auxiliary arm has the function of a tower arm by adding the loading trolley on the auxiliary arm, the pulleys are arranged on the main arm, the connecting body, the auxiliary arm, the loading trolley and the lifting hook, and the lifting steel wire rope and the amplitude-variable steel wire rope are wound with the pulleys to play two roles, wherein the lifting hook can perform lifting action through the lifting steel wire rope, and the lifting hook can perform amplitude-variable action below the auxiliary arm. The two functions expand the application range of the auxiliary arm and improve the operation efficiency.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of a hoisting rope of the present invention;
FIG. 3 is a schematic representation of a luffing action roping of the present invention;
FIG. 4 is a schematic view of a variable angle connector base in a variable angle configuration;
FIG. 5 is a schematic view of a variable angle connecting rod in a variable angle configuration;
FIG. 6 is a schematic diagram of a prior art configuration;
in the figure, 1-pulley I, 2-pulley II, 3-pulley III, 4-pulley IV, 5-pulley V, 6-pulley VI, 7-hoisting steel wire rope, 8-amplitude-variable steel wire rope, 9-main arm, 10-angle-variable structure, 101-angle-variable connecting rod, 102-angle-variable connecting seat, 102-1-connecting hole, 11-auxiliary arm, 12-load-carrying trolley and 13-lifting hook.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in figure 1, the automobile type fast-assembling tower crane for small-sized residence construction comprises a main arm 9, an auxiliary arm 11, a load-carrying trolley 12 and a lifting hook 13, wherein the auxiliary arm 11 is connected with the main arm 9 through a connecting body, a slide way is arranged at the belly of the auxiliary arm 11, the cross section of the auxiliary arm 11 is quadrilateral, and the slide way is formed by two lower chords of the auxiliary arm. The load-carrying trolley 12 is arranged on the slideway and can slide back and forth at the bottom of the auxiliary arm 11 along the slideway, and the hook 13 is connected below the load-carrying trolley 12 through a steel wire rope. The lifting range of the lifting hook 13 can be effectively expanded by installing the load-carrying trolley 12 at the lower part of the auxiliary arm 11. Compared with the prior art, if the lifting hook 13 is required to carry out lifting operation in a larger range, the elevation angle of the main arm 9 does not need to be lowered, so that the main arm 9 has better bearing capacity.
As shown in fig. 2-3, a first pulley 1 is arranged at the head of the main arm 9, a second pulley 2 is arranged on the connecting body, a third pulley 3 is arranged on the load-carrying trolley 12, a fourth pulley 4 is arranged on the lifting hook 13, a fifth pulley 5 is arranged at the head of the auxiliary arm 11, and a sixth pulley 6 is arranged at the tail of the auxiliary arm; the fast-assembling tower crane also comprises a variable-amplitude steel wire rope 8, the variable-amplitude steel wire rope 8 bypasses the fifth pulley 5 and the sixth pulley 6, and the rope end is fixed on the load-carrying trolley 12. The amplitude-variable steel wire rope 8 is powered by an auxiliary hoisting mechanism on the automobile crane.
As shown in fig. 2, the fast-assembling tower crane is further provided with a hoisting steel wire rope 7, the hoisting steel wire rope 7 bypasses the first pulley 1, the second pulley 2, the third pulley 3 and the fourth pulley 4, and the rope end is fixed at the head of the auxiliary arm 11. Specifically, the connecting body is connected with the main arm 9 through a pin shaft, so that the auxiliary arm 11 is conveniently detached. The lifting steel wire rope 7 is powered by a main lifting mechanism on the automobile crane.
Specifically, as shown in fig. 4-5, the connector is a variable angle structure 10, the variable angle structure 10 includes a variable angle connecting rod 101 and a variable angle connecting seat 102, and the variable angle connecting rod 101 and the variable angle connecting seat 102 are connected by a pin. The angle-variable connecting base 102 is provided with a row of connecting holes 102-1.
The purpose of the angle-changing structure 10 is to make the angle between the main arm 9 and the auxiliary arm 11 changeable during operation. The angle-changing connecting rod 101 and the angle-changing connecting seat 102 are connected in different connecting holes 102-1 through pin shafts, and the angle-changing function can be realized.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto, and various changes which can be made within the knowledge of those skilled in the art without departing from the gist of the present invention are within the scope of the claims of the present invention.

Claims (6)

1. An automobile type fast-assembling tower crane for small-size residential construction is characterized in that: including main arm (9), fly jib (11), load dolly (12) and lifting hook (13), fly jib (11) pass through the connector with main arm (9) pass through the connector and connect, the belly of fly jib (11) is equipped with the slide, load dolly (12) are installed on the slide to can follow the slide and be in the bottom of fly jib (12) makes a round trip to slide, lifting hook (13) are connected through wire rope the below of load dolly (12).
2. The automotive type fast-assembling tower crane for small-sized residential construction according to claim 1, characterized in that: a first pulley (1) is arranged at the head of the main arm (9), a second pulley (2) is arranged on the connecting body, a third pulley (3) is arranged on the load-carrying trolley (12), a fourth pulley (4) is arranged on the lifting hook (13), a fifth pulley (5) is arranged at the head of the auxiliary arm (11), and a sixth pulley (6) is arranged at the tail of the auxiliary arm; the quick-assembly tower crane further comprises a variable-amplitude steel wire rope (8), the variable-amplitude steel wire rope (8) bypasses the fifth pulley (5) and the sixth pulley (6), and the rope end is fixed on the load-carrying trolley (12).
3. The automotive type fast-assembling tower crane for small-sized residential construction as claimed in claim 2, wherein: and a hoisting steel wire rope (7) is further arranged on the fast-assembling tower crane, the hoisting steel wire rope (7) bypasses the pulley I (1), the pulley II (2), the pulley III (3) and the pulley IV (4), and the rope end is fixed at the head part of the auxiliary arm (11).
4. The automotive type fast-assembling tower crane for small-sized residential construction according to claim 1, characterized in that: the connecting body is connected with the main arm (9) through a pin shaft.
5. The automotive type fast-assembling tower crane for small-sized residential construction according to claim 1, characterized in that: the connector is for becoming angle structure (10), become angle structure (10) including becoming angle connecting rod (101) and becoming angle connecting seat (102), become angle connecting rod (101) with become angle connecting seat (102) through round pin hub connection.
6. The automotive type fast-assembling tower crane for small-sized residential construction according to claim 5, characterized in that: the angle-variable connecting seat (102) is provided with a row of connecting holes (102-1).
CN202110215485.6A 2021-02-26 2021-02-26 Automobile type fast-assembling tower crane for small-sized residential building Pending CN112919340A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110215485.6A CN112919340A (en) 2021-02-26 2021-02-26 Automobile type fast-assembling tower crane for small-sized residential building

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110215485.6A CN112919340A (en) 2021-02-26 2021-02-26 Automobile type fast-assembling tower crane for small-sized residential building

Publications (1)

Publication Number Publication Date
CN112919340A true CN112919340A (en) 2021-06-08

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ID=76172111

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110215485.6A Pending CN112919340A (en) 2021-02-26 2021-02-26 Automobile type fast-assembling tower crane for small-sized residential building

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CN (1) CN112919340A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101077758A (en) * 2007-06-19 2007-11-28 李海青 Rope-winding method for light folding arm type tower crane lifting-folding arm mechanism
CN101077757A (en) * 2007-06-19 2007-11-28 李海青 Light folding arm type tower crane
CN102275833A (en) * 2011-05-26 2011-12-14 长沙中联重工科技发展股份有限公司 Crane, and suspension arm structure and arm lifting method thereof
CN202400754U (en) * 2011-12-14 2012-08-29 南京梅山冶金发展有限公司 Mast crane
CN203382420U (en) * 2013-07-08 2014-01-08 徐州重型机械有限公司 Crane and fixed jib luffing device for same
CN104030172A (en) * 2014-06-19 2014-09-10 中联重科股份有限公司 Derrick mast mechanism and tower crane
CN106241628A (en) * 2016-08-25 2016-12-21 徐州重型机械有限公司 Truss arm structure and crane

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101077758A (en) * 2007-06-19 2007-11-28 李海青 Rope-winding method for light folding arm type tower crane lifting-folding arm mechanism
CN101077757A (en) * 2007-06-19 2007-11-28 李海青 Light folding arm type tower crane
CN102275833A (en) * 2011-05-26 2011-12-14 长沙中联重工科技发展股份有限公司 Crane, and suspension arm structure and arm lifting method thereof
CN202400754U (en) * 2011-12-14 2012-08-29 南京梅山冶金发展有限公司 Mast crane
CN203382420U (en) * 2013-07-08 2014-01-08 徐州重型机械有限公司 Crane and fixed jib luffing device for same
CN104030172A (en) * 2014-06-19 2014-09-10 中联重科股份有限公司 Derrick mast mechanism and tower crane
CN106241628A (en) * 2016-08-25 2016-12-21 徐州重型机械有限公司 Truss arm structure and crane

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