CN109678066B - Tower crane remote attachment system with length and direction adjustable function - Google Patents

Tower crane remote attachment system with length and direction adjustable function Download PDF

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Publication number
CN109678066B
CN109678066B CN201910004786.7A CN201910004786A CN109678066B CN 109678066 B CN109678066 B CN 109678066B CN 201910004786 A CN201910004786 A CN 201910004786A CN 109678066 B CN109678066 B CN 109678066B
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CN
China
Prior art keywords
stay bar
triangular
long
length
support
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Expired - Fee Related
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CN201910004786.7A
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Chinese (zh)
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CN109678066A (en
Inventor
李斌
辛青岳
李昱
朱春霞
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Shenyang Jianzhu University
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Shenyang Jianzhu University
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Priority to CN201910004786.7A priority Critical patent/CN109678066B/en
Publication of CN109678066A publication Critical patent/CN109678066A/en
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Publication of CN109678066B publication Critical patent/CN109678066B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes 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
    • B66C23/62Constructional features or details

Abstract

A tower crane remote attachment system with a length and direction adjustable function belongs to the technical field of construction machinery. The tower body attaching frame comprises a uniaxial long stay bar, a triangular long stay bar, a uniaxial long stay bar supporting frame, a triangular long stay bar supporting frame, a tower body attaching frame and a wall embedded part, wherein one end of the triangular long stay bar is connected with the tower body attaching frame through a length regulator, and the other end of the triangular long stay bar is connected with a wall through the triangular long stay bar supporting frame; one end of the uniaxial long stay bar is connected to the tower body attachment frame through a length regulator, and the other end of the uniaxial long stay bar is connected to the wall through a uniaxial long stay bar support frame, so that a stable triangular support is formed between the triangular long stay bar and the uniaxial long stay bar; horizontal support structures are respectively arranged below the single-axial long support rod support frame and the triangular long support rod support frame, so that the two support frames are ensured to be in a horizontal state; through the adjustment of the length regulator, the embedded part can be still installed when the embedded part position, the installation position of the tower crane and the supporting rod have errors, and the machining precision of each component is reduced.

Description

Tower crane remote attachment system with length and direction adjustable function
Technical Field
The invention belongs to the technical field of construction machinery, and particularly relates to a tower crane remote attachment system with a length and direction adjustable function.
Background
At present, in engineering application, the distance between the erection position of a tower crane and a building is too far due to the limitation of a working site, and the common attachment is difficult to realize due to the special shape of the building, so that the long-distance attachment system of the tower crane with the length and direction adjustable function can solve the problem, reduce the machining precision of an attachment rod and the difficulty of field installation, and enable the application of the tower crane to be wider and more convenient.
Disclosure of Invention
Aiming at the problems, the invention aims to solve two important problems of difficult realization of common attachment and poor long-distance attachment stability caused by the fact that the attachment distance between a tower crane and a building is too far due to the limitation of a working site and the special shape of the building, and provides a tower crane long-distance attachment system with the length and direction adjustable function.
The purpose of the invention is realized by the following technical scheme:
the utility model provides a tower machine remote adhesion system with adjustable length and direction function which characterized in that: the tower comprises a uniaxial long stay bar, a triangular long stay bar, a uniaxial long stay bar support frame, a triangular long stay bar support frame, a tower body attachment frame and a wall embedded part.
Further: the end parts of two triangular long side support rods of the triangular long support rods are respectively provided with a length regulator which is connected with one side of the tower body attachment frame and is respectively arranged at two ends of a side frame, and the other end of the triangular long support rod is arranged at the end part of the triangular long support rod support frame;
further: one end of the uniaxial long stay bar is provided with a length regulator which is connected at one corner of the tower body attachment frame and is positioned on the same side frame with the triangular long stay bar, and the other end of the uniaxial long stay bar is arranged at the end part of the uniaxial long stay bar support frame;
further: the uniaxial long stay bar support frame and the triangular long stay bar support frame are both connected to the wall embedded part; horizontal support structures are respectively arranged below the uniaxial long support rod support frame and the triangular long support rod support frame, so that the two support frames are ensured to be in a horizontal state; a stable triangular support is formed between the triangular long stay bar and the single axial long stay bar;
further: the length regulators at the end parts of the uniaxial long support rods and the triangular long support rods change the positions of connection points of the two support frames through respective length regulation.
Further: the length adjuster is a bidirectional screw adjuster and comprises a positive and negative thread lead screw, a positioning nut and an adjusting rod base, wherein external threads are arranged at two ends of the positive and negative thread lead screw, the positive and negative thread lead screw and the adjusting rod base are respectively connected with the positive and negative thread lead screw through threads, and the positive and negative thread lead screw is locked through the positioning nut.
Further: the length adjuster of the uniaxial long stay rod end is connected with the tower body attachment frame through a hinge shaft and connected with the uniaxial long stay rod end through a flange so as to ensure that the length adjuster can only swing in one direction.
Further: one ends of two length regulators at the ends of the triangular long stay rods are respectively hinged at two end hinge points of the same frame on the tower body attachment frame through hinge shafts, the other end of one length regulator is connected with one long stay rod in the triangular long stay rods through a flange, and the other end of the other length regulator is connected with the other long stay rod in the triangular long stay rods through a pin shaft; the triangular long stay bar can swing in the horizontal plane, and the length adjustment of the connecting end of the triangular long stay bar support frame is realized.
Further: the structure of the uniaxial long stay bar support frame is the same as that of the triangular long stay bar support frame, one end of each horizontal short stay bar is hinged, the other end of each horizontal short stay bar is connected with an embedded part of a wall body, and one side close to the embedded part is connected with the horizontal stay bar through a connecting rod with long holes at two ends to form a stable triangular support structure.
Further: the lower part of the horizontal short support rod of the support frame structure is hinged with one end of an inclined support rod, the other end of the inclined support rod is hinged with a wall embedded part, and a length-adjustable pull rod is connected between the inclined support rod and the supported horizontal short support rod on one side close to the embedded part so as to ensure that the two horizontal short support rods of the uniaxial long support rod support frame and the triangular long support rod support frame are in a horizontal state.
Further, the angle α between the main chords adjacent to the uniaxial long stay bar and the triangular long stay bar satisfies the condition that the angle is 45 degrees less than α degrees less than 120 degrees.
Further: the triangular long stay bar is formed by welding two stay bars at one end, connecting the other end with an attachment frame through a length regulator respectively, and arranging a plurality of inclined support connecting rods between the two stay bars; and a triangular supporting structure is formed between each adjacent supporting connecting rod and each supporting rod.
The invention has the beneficial effects that:
1. according to the attachment system, the positions of the connection points of the support frame and the two groups of long support rods can be changed through respective length adjustment, and the support frame and the two groups of long support rods have a certain range of adjustable room, so that the support structure can still adapt to the embedded part ear plate position, the tower crane installation position and the support rod piece manufacturing errors, and the processing precision of each component is reduced.
2. Horizontal supporting structures are respectively arranged below the two groups of supporting frames of the attachment system to ensure that the two supporting rods of the triangular structure are in a horizontal state, wherein the inclined supporting rods and the supporting rods are connected by a length-adjustable pull rod at one side close to the embedded part, so that integral hoisting can be realized during installation, and the installation is convenient.
3. The attaching system of the invention is provided with a support frame structure besides the common attaching support rod, reduces the bending moment generated by long attaching distance and heavy weight, improves the stability and is suitable for long-distance and high-strength attachment.
4. The triangular long stay bar provided by the invention has two triangular long stay bars, plays the role of two common long stay bars, has a simpler and more stable structure, and saves the cost. The two length regulators are connected with the attachment frame through a hinge shaft, one of the length regulators is connected with the long support rod through a flange, the other length regulator is connected with the long support rod through a pin shaft, the connection mode can ensure that the long support rod has a certain swing angle in the horizontal plane, and the combined action of the two length regulators can enable the other end point of the triangular long support rod to reach any position in a certain plane area.
5. One end of the single-axial long stay bar length adjuster is in a flange plate connection mode, and the other end of the single-axial long stay bar length adjuster is in a hinge shaft connection mode, so that the single-axial long stay bar length adjuster can only swing in one direction.
Drawings
Fig. 1 is a schematic view of the general structure of the present invention.
FIG. 2 is a schematic view of the horizontal support structure of the present invention.
Fig. 3 is an enlarged view of the portion I in fig. 2.
Fig. 4 is a schematic view of the link structure with long holes in fig. 1.
Fig. 5 is a schematic structural view of the triangular long stay bar in fig. 1.
FIG. 6 is a schematic view of the connection of the length adjuster of FIG. 1; (a) the flange connection mode is adopted; (b) is in a pin shaft connection mode.
Fig. 7 is a schematic structural view of the length adjuster of fig. 1.
Fig. 8 is a sectional view a-a of fig. 7.
In the figure: 1. the adjustable tension device comprises an attachment frame, 2 single-axial long support rods, 3 triangular long support rods, 31 support rods, 32 support connecting rods, 4 short support rods I, 5 short support rods II, 6 connecting rods with long holes, 7 inclined support rods, 8 adjustable pull rods, 9 adjusting rod bases, 10 positive and negative threaded lead screws and 11 positioning nuts.
Detailed Description
The invention is described in detail below with reference to the figures and examples.
Example (b): as shown in figures 1-3, the tower crane climbing system with the function of preventing the climbing beam from swinging and rotating comprises a uniaxial long stay bar 2, a triangular long stay bar 3, a uniaxial long stay bar support frame, a triangular long stay bar support frame, a tower body attachment frame 1 and a wall embedded part,
the end parts of two triangular long side support rods of the triangular long support rod 3 are respectively provided with a length adjuster which is connected with one side of the tower body attachment frame 1 and is respectively arranged at two ends of a side frame, and the other end of the triangular long support rod is arranged at the end part of the triangular long support rod support frame;
one end of the uniaxial long stay bar 2 is provided with a length adjuster, the uniaxial long stay bar is connected with one corner of the tower body attachment frame 1 and is positioned on the same side edge of the frame with the triangular long stay bar 3, and the other end of the uniaxial long stay bar is arranged at the end part of the uniaxial long stay bar support frame;
the uniaxial long stay bar support frame and the triangular long stay bar support frame are both connected to the wall embedded part; horizontal support structures are respectively arranged below the uniaxial long support rod support frame and the triangular long support rod support frame, so that the two support frames are ensured to be in a horizontal state; a stable triangular support is formed between the triangular long stay bar 3 and the single axial long stay bar 2;
the length regulators at the end parts of the uniaxial long support rods 2 and the triangular long support rods change the positions of connection points with the two support frames through respective length adjustment, and the length regulators can still be smoothly installed with the support structure when certain errors occur in the positions of the embedded part ear plates, the installation position of the tower crane and the length of the support rod pieces.
As shown in fig. 7 and 8, the length adjuster is a bidirectional screw adjuster, and includes a positive and negative threaded lead screw 10, a positioning nut 11 and an adjusting rod base 9, wherein external threads are provided at two ends of the positive and negative threaded lead screw 10, the positive and negative threaded lead screw 10 is respectively connected with the adjusting rod base 9 through threads and the positioning nut 11 provided on the positive and negative threaded lead screw 10 is used for locking.
One end of the uniaxial long stay bar 2 is hinged with a horizontal short stay bar of the uniaxial long stay bar support frame through a pin shaft, and the uniaxial long stay bar 2 can only swing in a horizontal plane. The other end of the uniaxial long stay bar 2 is connected with a length adjuster through a flange (as shown in fig. 6 a), the length of the length adjuster and the angle in the horizontal plane of the uniaxial long stay bar 2 are adjusted, and the other end of the length adjuster can be hinged with the tower body attachment frame within a certain error range.
One end of the triangular long stay bar 3 is hinged with a horizontal short stay bar I4 of the triangular long stay bar support frame, and the triangular long stay bar 3 can only swing in a horizontal plane. One of the long triangular struts 31 is connected with a length adjuster through a flange (as shown in fig. 6 a), and the length of the length adjuster and the angle in the horizontal plane of the long triangular strut 3 can be adjusted within a certain error range, so that the other end of the length adjuster can be hinged with the tower body attachment frame. Another brace 32 of the triangular long brace is hinged with the length adjuster through a pin shaft (as shown in fig. 6 b), the length adjuster can swing in the horizontal plane, and the other end of the length adjuster can be hinged with the tower body attachment frame within a certain error range by adjusting the length of the length adjuster and the angle in the horizontal plane.
The structure of the uniaxial long stay bar support frame is the same as that of the triangular long stay bar support frame, one ends of two horizontal short stay bars (a short stay bar I4 and a short stay bar II 5 in the figure 1) are hinged, the other ends of the two horizontal short stay bars are respectively connected with an embedded part of a wall body, and one side close to the embedded part is connected with the two short stay bars through a connecting rod 6 with long holes at two ends to form a stable triangular support structure.
As shown in fig. 2, the horizontal support structure includes an inclined strut 7 and an adjustable pull rod 8 connected below a horizontal short strut in the triangular support structure, and an adjustable length pull rod 8 is connected between the inclined strut 7 and the supported horizontal short strut (in this example, the short strut ii 5) at a side close to the embedded part, so as to ensure that the two horizontal short struts i 4 and ii 5 of the uniaxial long strut support frame and the triangular long strut support frame are both in a horizontal state. The two groups of supporting frames can be integrally hoisted during installation, and the installation is convenient.
The adjustable pull rod 8 is composed of a steel wire rope and a threaded pull rod, one end of the steel wire rope is hinged with the inclined support rod 7 through a lantern ring and a pin shaft, the other end of the steel wire rope is hinged with the threaded pull rod through a lantern ring, the threaded pull rod penetrates through a hole of the horizontal short support rod II 5 and is assembled with a nut, and the length of the adjustable pull rod 8 is adjusted through the adjusting nut.
In order to form a stable triangular support, an angle α between two adjacent support rods of the uniaxial long support rod 2 and the triangular long support rod 3 satisfies that the angle is less than α degrees than 120 degrees, and the specific angle is determined according to actual conditions.
The triangular long stay bar 3 is formed by connecting two stay bars 31 at one end, connecting the other end with an attachment frame through a length adjuster respectively, and arranging a plurality of inclined support connecting rods 32 between the two stay bars; a triangular support structure is formed between each adjacent support link 32 and the stay bar 31.
The installation process of the invention is as follows:
(1) firstly, short support rods I4 and II 5 and a connecting rod 6 with a long hole are installed through a pin shaft as shown in figure 1, and then an inclined support rod 7 and an adjustable pull rod 8 are connected to the lower part of the short support rod II 5 through a pin shaft as shown in figures 2 and 3, so that the independent assembly of the uniaxial long support rod support frame and the triangular long support rod support frame is completed; (2) respectively integrally hoisting the single-axial long stay bar support frame and the triangular long stay bar support frame, and hinging the single-axial long stay bar support frame and the triangular long stay bar support frame with wall embedded parts through pin shafts as shown in figures 1 and 2; (3) the end of the uniaxial long stay bar 2 without the length adjuster is hinged with the uniaxial long stay bar support frame through a pin shaft as shown in figure 1, and the horizontal angle of the uniaxial long stay bar and the length of the length adjuster are adjusted, so that the end of the uniaxial long stay bar with the length adjuster can be accurately hinged with the tower body attachment frame 1.
(3) The triangular long stay bar is hinged with the single axial long stay bar support frame through a pin shaft according to the figure 1, and the horizontal angle of the triangular long stay bar and the length of the length adjuster are adjusted, so that the stay bar connected with the length adjuster through the flange can be accurately hinged with the tower body attachment frame. The angle and the length of the length adjuster of the other stay bar are adjusted, so that the stay bar can be accurately hinged with the tower body attachment frame.

Claims (8)

1. The utility model provides a tower machine remote adhesion system with adjustable length and direction function which characterized in that: the tower comprises a uniaxial long stay bar, a triangular long stay bar, a uniaxial long stay bar support frame, a triangular long stay bar support frame, a tower body attachment frame and a wall embedded part;
the end parts of two triangular long side support rods of the triangular long support rods are respectively provided with a length regulator which is connected with one side of the tower body attachment frame and is respectively arranged at two ends of a side frame, and the other end of the triangular long support rod is arranged at the end part of the triangular long support rod support frame; the other end of the length adjuster is hinged with the tower body attachment frame within a certain error range by adjusting the lengths of two length adjusters at the end parts of the triangular long support rod and the angle in the horizontal plane of the triangular long support rod;
one end of the uniaxial long stay bar is provided with a length regulator which is connected at one corner of the tower body attachment frame and is positioned on the same side frame with the triangular long stay bar, and the other end of the uniaxial long stay bar is arranged at the end part of the uniaxial long stay bar support frame;
the uniaxial long stay bar support frame and the triangular long stay bar support frame are both connected to the wall embedded part; horizontal support structures are respectively arranged below the uniaxial long support rod support frame and the triangular long support rod support frame, so that the two support frames are ensured to be in a horizontal state; a stable triangular support is formed between the triangular long stay bar and the single axial long stay bar;
the length regulators at the end parts of the uniaxial long support rods and the triangular long support rods change the positions of connection points of the uniaxial long support rods and the triangular long support rods through respective length regulation; the length of the length adjuster and the angle in the horizontal plane of the single axial long stay bar are adjusted, and the other end of the length adjuster is hinged with the tower body attachment frame within a certain error range.
2. The tower crane remote attaching system with the length and direction adjustable function as claimed in claim 1, wherein: the length adjuster is a bidirectional screw adjuster and comprises a positive and negative thread lead screw, a positioning nut and an adjusting rod base, wherein external threads are arranged at two ends of the positive and negative thread lead screw, the positive and negative thread lead screw and the adjusting rod base are respectively connected with the positive and negative thread lead screw through threads, and the positive and negative thread lead screw is locked through the positioning nut.
3. The tower crane remote attaching system with the length and direction adjustable function as claimed in claim 1 or 2, wherein: the length adjuster of the uniaxial long stay rod end is connected with the tower body attachment frame through a hinge shaft and connected with the uniaxial long stay rod end through a flange so as to ensure that the length adjuster can only swing in one direction.
4. The tower crane remote attaching system with the length and direction adjustable function as claimed in claim 1 or 2, wherein: one ends of two length regulators at the ends of the triangular long stay rods are respectively hinged at two end hinge points of the same frame on the tower body attachment frame through hinge shafts, the other end of one length regulator is connected with one long stay rod in the triangular long stay rods through a flange, and the other end of the other length regulator is connected with the other long stay rod in the triangular long stay rods through a pin shaft; the triangular long stay bar is ensured to swing in the horizontal plane, and the length adjustment of the connecting end of the triangular long stay bar support frame is realized.
5. The tower crane remote attaching system with the length and direction adjustable function as claimed in claim 1, wherein: the structure of the uniaxial long stay bar support frame is the same as that of the triangular long stay bar support frame, one end of each horizontal short stay bar is hinged, the other end of each horizontal short stay bar is connected with an embedded part of a wall body, and one side close to the embedded part is connected with the horizontal stay bar through a connecting rod with long holes at two ends to form a stable triangular support structure.
6. The tower crane remote attaching system with the length and direction adjustable function as claimed in claim 1, wherein: the lower part of the horizontal short support rod of the support frame structure is hinged with one end of an inclined support rod, the other end of the inclined support rod is hinged with a wall embedded part, and a length-adjustable pull rod is connected between the inclined support rod and the supported horizontal short support rod on one side close to the embedded part so as to ensure that the two horizontal short support rods of the uniaxial long support rod support frame and the triangular long support rod support frame are in a horizontal state.
7. The remote attachment system for the tower crane with the length and direction adjustable function according to claim 1 is characterized in that an angle α between the uniaxial long stay bar and the adjacent main chord of the triangular long stay bar meets the condition that an angle of 45 degrees is less than α degrees by 120 degrees.
8. The tower crane remote attaching system with the length and direction adjustable function as claimed in claim 1, wherein: the triangular long stay bar is formed by welding two stay bars at one end, connecting the other end with an attachment frame through a length regulator respectively, and arranging a plurality of inclined support connecting rods between the two stay bars; and a triangular supporting structure is formed between each adjacent supporting connecting rod and each supporting rod.
CN201910004786.7A 2019-01-03 2019-01-03 Tower crane remote attachment system with length and direction adjustable function Expired - Fee Related CN109678066B (en)

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CN201910004786.7A CN109678066B (en) 2019-01-03 2019-01-03 Tower crane remote attachment system with length and direction adjustable function

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Application Number Priority Date Filing Date Title
CN201910004786.7A CN109678066B (en) 2019-01-03 2019-01-03 Tower crane remote attachment system with length and direction adjustable function

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CN109678066B true CN109678066B (en) 2020-07-17

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Publication number Priority date Publication date Assignee Title
CN111824983A (en) * 2020-07-29 2020-10-27 中建八局第二建设有限公司 Overlength attachment construction method for tower crane

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100665718B1 (en) * 2005-12-09 2007-01-09 주식회사 아이엘엔지니어링 Reinforcement device for tower crane
CN102745609B (en) * 2011-04-22 2015-06-17 上海庞源机械租赁股份有限公司 Wall-attached telescopic pull rod of tower crane
CN202245824U (en) * 2011-08-29 2012-05-30 山东中文实业集团有限公司 Adhesion rod for tower crane
CN202744234U (en) * 2012-08-23 2013-02-20 云南建工第五建设有限公司 Adjustable adhering bar used for tower crane
CN104401889B (en) * 2014-11-21 2016-08-24 中联重科股份有限公司 Wall-attached frame and there is its building hoist
CN207890943U (en) * 2017-12-29 2018-09-21 北京永茂建工机械制造有限公司 The combined attachment device of tower crane

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