CN111392614A - Standard knot, tower body and assembling method of standard knot of tower body - Google Patents

Standard knot, tower body and assembling method of standard knot of tower body Download PDF

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Publication number
CN111392614A
CN111392614A CN201910002682.2A CN201910002682A CN111392614A CN 111392614 A CN111392614 A CN 111392614A CN 201910002682 A CN201910002682 A CN 201910002682A CN 111392614 A CN111392614 A CN 111392614A
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CN
China
Prior art keywords
mounting
mounting hole
standard
standard knot
main
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Pending
Application number
CN201910002682.2A
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Chinese (zh)
Inventor
唐少芳
喻乐康
付英雄
邓泽
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.)
Hunan Zhonglian Zhongke Construction Hoisting Machinery Co ltd
Zoomlion Heavy Industry Science and Technology Co Ltd
Original Assignee
Hunan Zhonglian Zhongke Construction Hoisting Machinery Co ltd
Zoomlion Heavy Industry Science and Technology 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 Hunan Zhonglian Zhongke Construction Hoisting Machinery Co ltd, Zoomlion Heavy Industry Science and Technology Co Ltd filed Critical Hunan Zhonglian Zhongke Construction Hoisting Machinery Co ltd
Priority to CN201910002682.2A priority Critical patent/CN111392614A/en
Publication of CN111392614A publication Critical patent/CN111392614A/en
Pending legal-status Critical Current

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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

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Surgical Instruments (AREA)

Abstract

The invention relates to the technical field of engineering machinery, in particular to a standard knot, a tower body and an assembling method of the standard knot of the tower body. Standard festival (1) is including a plurality of main chords (2) of a plurality of web members (3) and vertical setting, a plurality of main chords are along closed route interval distribution, on the extending direction in closed route, connect through a plurality of web members detachably between two adjacent main chords, the top of every main chord is formed with installation department (4) that upwards extends, the bottom of every main chord is formed with the opening downwards and can with the first mounting groove of installation department adaptation, first mounting groove is provided with first mounting hole (21) and second mounting hole (22) that the central axis is the different face and distributes, the top of installation department be provided with first mounting hole complex third mounting hole and with second mounting hole complex fourth mounting hole. Through adopting a plurality of main chords and a plurality of web members of detachably connected mode connection, the dismouting of being convenient for has enlarged the scope of the section specification of standard festival.

Description

Standard knot, tower body and assembling method of standard knot of tower body
Technical Field
The invention relates to the technical field of engineering machinery, in particular to a standard knot, a tower body and an assembling method of the standard knot of the tower body.
Background
The standard knot of the existing tower crane mainly comprises main chord members, web members, a platform, a ladder and other parts, and is divided into an integral type and a sheet type according to the structural form, wherein the integral main chord members and the web members are welded into a whole; the sheet type standard knot is composed of four standard knot sheets, and a single standard knot sheet is formed by welding a main chord member and a web member. The two standard knots are designed and manufactured by manufacturers, and the size parameters of the standard knots are not changed.
However, when the tower crane is updated, in order to improve the performance of the tower crane, a standard section with a larger section is required to be used, so that the old standard section cannot be used continuously, the standard section of the whole tower crane needs to be replaced, and at present, a user usually needs to spend a large amount of funds to purchase a new standard section, so that the cost is high, and the economic burden is increased.
Disclosure of Invention
The invention aims to solve the problem that the standard knot needs to be integrally replaced to cause high cost when the lifting performance of a tower crane is improved due to the fact that the size parameters of the standard knot of the tower crane cannot be changed in the prior art, and provides an assembling method of the standard knot, the tower body and the tower body.
In order to achieve the above object, an aspect of the present invention provides a standard knot, where the standard knot includes a plurality of web members and a plurality of main chords vertically arranged, the plurality of main chords are distributed at intervals along a closed path, in an extending direction of the closed path, two adjacent main chords are detachably connected through the plurality of web members, a top end of each main chord is formed with an upward extending installation portion, a bottom end of each main chord is formed with a first installation groove having a downward opening and capable of being adapted to the installation portion, the first installation groove is provided with a first installation hole and a second installation hole, central axes of the first installation hole and the second installation hole are distributed in different planes, and a top of the installation portion is provided with a third installation hole matched with the first installation hole and a fourth installation hole matched with the second installation hole.
Preferably, the central axis of the first mounting hole and the central axis of the second mounting hole are distributed in a cross shape, and the central axis of the third mounting hole and the central axis of the fourth mounting hole are distributed in a cross shape.
Preferably, a central axis of the third mounting hole and/or a central axis of the fourth mounting hole are horizontally arranged.
Preferably, every the top of main chord member is formed with the second mounting groove, the bottom detachably of installation department connect in the second mounting groove, and the second mounting groove is provided with the fifth mounting hole and the sixth mounting hole that the central axis is cross distribution, the bottom of installation department be provided with fifth mounting hole complex seventh mounting hole and with the eighth mounting hole of sixth mounting hole.
Preferably, the central axis of the fifth mounting hole and/or the central axis of the sixth mounting hole are horizontally arranged.
Preferably, the mounting portion is connected with the second mounting groove through a pin shaft or a hinge hole bolt.
Preferably, the plurality of web members comprise a plurality of straight web members arranged horizontally and a plurality of diagonal web members arranged obliquely; and/or, the closed path is set to be square, the standard joint comprises diagonal draw bars, and the two diagonal draw bars are positioned between the main chords of the square and detachably connected through the diagonal draw bars.
The invention provides a tower body, which comprises a plurality of vertically arranged standard sections, wherein the first mounting grooves of a plurality of main chords of each standard section are respectively detachably connected with the mounting parts of a plurality of main chords of adjacent standard sections positioned below.
Preferably, the tower body comprises a plurality of shuttle-shaped pin shafts, and the mounting portion is connected with the first mounting groove through two shuttle-shaped pin shafts.
The third aspect of the present invention also provides an assembling method of standard segments of a tower body, the tower body being configured as the tower body according to claim 8 or 9, one of the standard segments being set as an nth standard segment, and the standard segment connected above the nth standard segment being set as an n +1 th standard segment, the assembling method including the steps of: s1: selecting a plurality of main chords and a plurality of web members, arranging the main chords according to the closed path, and detachably connecting the web members between two adjacent main chords respectively to assemble the n +1 standard knot; s2: and (3) respectively connecting the first mounting grooves of the main chords of the n +1 th standard knot after the assembly is finished with the mounting parts of the main chords of the n +1 th standard knot in a detachable manner so as to finish the matched mounting of the n +1 th standard knot.
According to the technical scheme, the standard knot, the tower body and the assembling method of the standard knot of the tower body are provided, the standard knot is connected between the main chords and the web members and between different standard knots in a detachable connection mode, the disassembly and the assembly are convenient, the repeated utilization rate of the main chords and the web members is improved, the replacement cost is reduced, and the range of section specifications of the standard knot is expanded.
Drawings
FIG. 1 is a front view of a standard section provided by the present invention;
FIG. 2 is a left side view of the standard section shown in FIG. 1;
fig. 3 is a top view of the standard knot shown in fig. 1.
Description of the reference numerals
1. A standard section; 2. a main chord; 23. a third mounting hole; 24. a fourth mounting hole; 25. a fifth mounting hole; 26. a sixth mounting hole; 3. a web member; 31. a straight web member; 32. a diagonal web member; 4. an installation part; 5. a diagonal member; 6. a railing; 7. a platform; 8. the ladder is climbed.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
In one aspect of the present invention, there is provided a standard knot, as shown in fig. 1-3, wherein the standard knot 1 comprises a plurality of web members 3 and a plurality of main chords 2 arranged vertically, the plurality of main chords 2 being spaced apart along a closed path, in the extending direction of the closed path, two adjacent main chords 2 are detachably connected through a plurality of web members 3, the top end of each main chord 2 is provided with an upward extending mounting part 4, the bottom end of each main chord 2 is provided with a first mounting groove which is downward opened and can be matched with the mounting part 4, the first mounting groove is provided with a first mounting hole 21 and a second mounting hole 22 with central axes distributed in a different surface way, the top of the mounting part 4 is provided with a third mounting hole 23 matched with the first mounting hole 21 and a fourth mounting hole 24 matched with the second mounting hole 22. Specifically, the center line axes of the first mounting hole 21 and the third mounting hole 23 are arranged to be collinear, that is, the first mounting hole 21 and the third mounting hole 23 are arranged to be coaxial holes; of course, the second mounting hole 22 and the fourth mounting hole 24 are also provided as coaxial holes to facilitate fitting.
According to the technical scheme, the standard knot, the tower body and the assembling method of the standard knot of the tower body are provided, the standard knot is connected between the main chords and the web members and between different standard knots in a detachable connection mode, the disassembly and the assembly are convenient, the repeated utilization rate of the main chords and the web members is improved, the replacement cost is reduced, and the range of section specifications of the standard knot is expanded.
Further, the central axis of first mounting hole 21 with the central axis of second mounting hole 22 is the cross and distributes, and the central axis of third mounting hole 23 with the central axis of fourth mounting hole 24 is the cross and distributes, has improved the fixed strength between the first mounting groove of the main chord of every standard festival and the top of the installation department 4 of the main chord of adjacent standard festival, and the connection between the main chord of two adjacent standard festivals is more firm reliable. Specifically, the main chord is a long rod with a square cross section, the first mounting hole 21 of the first mounting groove penetrates through the left and right side walls of the main chord shown in fig. 1, and the second mounting hole 22 of the first mounting groove penetrates through the front and rear side walls of the main chord shown in fig. 1.
Further, the central axis of the third mounting hole 23 and/or the central axis of the fourth mounting hole 24 are horizontally arranged; of course, the first mounting hole 21 matched with the third mounting hole 23 is also horizontally arranged along the central axis of the third mounting hole 23, and/or the second mounting hole 22 is also horizontally arranged along the central axis of the fourth mounting hole 24, so that the capability of bearing the transverse shear load at the joint of the main chords of two adjacent standard knots is enhanced, and the connection between the main chords of two adjacent standard knots is firmer and more reliable.
Further, every the top of main chord 2 is formed with the second mounting groove, the bottom detachably of installation department 4 connect in the second mounting groove, and the second mounting groove is provided with fifth mounting hole 25 and the sixth mounting hole 26 that the central axis is cross distribution, the bottom of installation department 4 be provided with fifth mounting hole 25 complex seventh mounting hole and with the eighth mounting hole of sixth mounting hole 26 to in time change the installation department, avoid reducing the use strength of whole standard festival because the installation department is impaired, and improved the fixed strength between the second mounting groove of every main chord and the bottom of installation department 4, make the installation department can more firmly install on the main chord. Wherein, this installation department 4 can set up to the tenon, the shape adaptation of the top of this tenon and first mounting groove to the bottom of this tenon and the shape adaptation of second mounting groove, the installation of being convenient for has improved the installation intensity between the bottom of the second mounting groove of the main chord member of every standard festival and tenon, and has guaranteed the installation intensity between the top of the tenon of the first mounting groove of the main chord member of every standard festival and the main chord member of adjacent standard festival.
Further, the central axis of the fifth mounting hole 25 and/or the central axis of the sixth mounting hole 26 are horizontally disposed. Of course, the seventh mounting hole may also be horizontally disposed along the central axis of the fifth mounting hole 25, and/or the eighth mounting hole may also be horizontally disposed along the central axis of the sixth mounting hole 26, which enhances the mounting strength between the main chord and the mounting portion of each standard knot, and thus the capability of the top of the main chord of each standard knot to bear the transverse shear load is also enhanced.
In view of dismantling often not between installation department 4 and the second mounting groove, generally will take apart when the installation department appears damaging and needs to change to consider the requirement that needs satisfy standard festival's use intensity, installation department 4 with through round pin hub connection or through reamed hole bolted connection between the second mounting groove, be applicable to the limited condition of this kind of installation space between main chord's second mounting groove and installation department 4, can also satisfy standard festival's use intensity.
Furthermore, the plurality of web members 3 comprise a plurality of straight web members 31 arranged horizontally and a plurality of inclined web members 32 arranged obliquely, so that the installation strength and the stability between two adjacent main chords of each standard knot are improved; in each standard knot, various reasonable forms can be set between the plurality of web members 3 and the plurality of main chords, for example, the straight web members 31 are connected as shown in fig. 1 and 2, that is, both ends of the straight web members 31 are respectively connected with the tops of two adjacent main chords, the diagonal web members 32 are connected as shown in fig. 1 and 2, that is, the plurality of diagonal web members 32 are arranged between two adjacent main chords in an end-to-end sequential connection manner, the top of the diagonal web member 32 at the head end is connected with the top of the main chord, and the bottom of the diagonal web member 32 at the tail end is connected with the bottom of the main chord.
Further, the closed path is set to be square, the standard knot 1 comprises diagonal draw bars 5, and two on the diagonal line of the square are connected with the main chords 2 through the diagonal draw bars 5 in a detachable manner, so that the stability of the square formed between a plurality of main chords of each standard knot is fixed. The standard knots can be set into various reasonable forms, for example, each standard knot comprises 4 main chords so as to form a main body frame with a square cross section, each standard knot comprises a platform 7, a railing 6 and a ladder 8 which are arranged in a matched manner, as shown in fig. 1-3, the platform 7 is arranged at the top of each standard knot and is connected with the 4 main chords, the railing 6 is arranged above the platform 7 and is connected with the 4 main chords, and the ladder 8 is connected with the main chords so as to facilitate a worker to climb onto the platform to perform operation; the main chord member is connected with the web member and the pull rod respectively through the mode of round pin hub connection to guarantee the installation intensity and the equipment precision of standard festival, the main chord member passes through bolted connection's mode to be connected with platform, railing and cat ladder respectively, is favorable to quick assembly disassembly, is convenient for pack the transportation, and the quick transition.
The second aspect of the invention also provides a tower body, which comprises a plurality of the standard knots which are vertically arranged, wherein the first mounting grooves of the main chords of each standard knot 1 are respectively detachably connected with the mounting parts 4 of the main chords of the adjacent standard knot 1 which are positioned below.
According to the technical scheme, the tower body is convenient to disassemble and assemble, and the main chords of two adjacent standard sections are detachably connected to complete the connection between different standard sections.
Further, the tower body comprises a plurality of shuttle-shaped pin shafts, and the installation part 4 is connected with the first installation groove through two shuttle-shaped pin shafts. Specifically, one of the spindle-shaped pin shafts penetrates through the first mounting hole 21 and the third mounting hole 23, and the other spindle-shaped pin shaft penetrates through the second mounting hole 22 and the fourth mounting hole 24, so that the spindle-shaped pin shaft is suitable for the operation condition with narrow mounting space, is convenient to disassemble and assemble, and also ensures the connection strength between two adjacent standard sections.
The third aspect of the present invention further provides an assembling method of standard knots of a tower body, the tower body is configured as the tower body, one of the standard knots 1 is configured as an nth standard knot, and the standard knot 1 connected above the nth standard knot is configured as an n +1 th standard knot, the assembling method includes the following steps:
s1: selecting a plurality of main chords 2 and a plurality of web members 3, arranging the main chords 2 according to the closed path, and detachably connecting the web members 3 between two adjacent main chords 2 respectively to obtain the n +1 standard knot through assembly;
s2: and (3) respectively connecting the first mounting grooves of the main chords 2 of the (n + 1) th standard knot which are assembled with the mounting parts 4 of the main chords 2 of the (n) th standard knot in a detachable manner so as to complete the matched mounting of the (n + 1) th standard knot.
It should be noted that, when the standard knot is assembled according to the step S1, the matched web member and the main chord member may be selected for assembly according to the requirement for the sectional size of the standard knot; specifically, when the sectional size of the standard knot is changed according to different use requirements, for example, when the cross-sectional area of the standard knot needs to be increased, the following steps may be performed: keeping the size parameters of the main chord unchanged, changing the size parameters of the web members, such as the length of the lengthened web member, of course, the straight web members and the inclined web members are configured to match the cross-sectional size of the standard knot, and other additional structures (such as inclined pull rods, railings, etc.) also match the size of the standard knot; or the following steps: changing the dimensional parameters of the main chord, e.g. increasing the diameter of the main chord, while keeping the dimensional parameters of the web members unchanged; the method can also be as follows: while changing the dimensional parameters of the web, e.g. the length of the lengthened web, and increasing the diameter of the main chord. Through the scheme, the change of the section size parameters of the standard section can be realized by changing partial parts of the standard section, the repeated utilization rate of each part of the standard section purchased by a user is improved, the cost for updating and replacing the tower body is reduced to the maximum extent, the modular production of the standard section is realized, the large-scale automatic production is facilitated, the production efficiency is improved, the use requirement of higher bearing capacity required by the tower body of a new generation is met by increasing the cross section size of the standard section, the independent height of the tower body is facilitated, and the requirement of building construction is better met.
The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto. Within the scope of the technical idea of the invention, many simple modifications may be made to the technical solution of the invention, and in order to avoid unnecessary repetition, various possible combinations of the invention will not be described further. Such simple modifications and combinations should be considered within the scope of the present disclosure as well.

Claims (10)

1. A standard knot, characterized in that the standard knot (1) comprises a plurality of web members (3) and a plurality of main chords (2) arranged vertically, the plurality of main chords (2) being spaced apart along a closed path, in the extending direction of the closed path, two adjacent main chords (2) are detachably connected through a plurality of web members (3), the top end of each main chord (2) is provided with an upward extending installation part (4), the bottom end of each main chord (2) is provided with a first installation groove which is downward opened and can be matched with the installation part (4), the first mounting groove is provided with a first mounting hole (21) and a second mounting hole (22) with central axes distributed in a different surface way, the top of the mounting part (4) is provided with a third mounting hole (23) matched with the first mounting hole (21) and a fourth mounting hole (24) matched with the second mounting hole (22).
2. The standard knot of claim 1, wherein the central axes of the first mounting hole (21) and the second mounting hole (22) are distributed in a cross shape, and the central axes of the third mounting hole (23) and the fourth mounting hole (24) are distributed in a cross shape.
3. The standard knot of claim 2, wherein the central axis of the third mounting hole (23) and/or the central axis of the fourth mounting hole (24) is arranged horizontally.
4. The standard knot according to claim 1, characterized in that the top end of each main chord (2) is formed with a second mounting groove to which the bottom of the mounting part (4) is detachably connected, and the second mounting groove is provided with fifth mounting holes (25) and sixth mounting holes (26) whose central axes are distributed in a cross, and the bottom of the mounting part (4) is provided with seventh mounting holes matched with the fifth mounting holes (25) and eighth mounting holes matched with the sixth mounting holes (26).
5. Standard knot according to claim 4, characterized in that the central axis of the fifth mounting hole (25) and/or the central axis of the sixth mounting hole (26) is arranged horizontally.
6. Standard knot according to claim 4, characterised in that the mounting part (4) is bolted to the second mounting groove by means of a pin or by means of a reamed hole.
7. Standard knot according to any one of claims 1 to 6, characterised in that the plurality of web members (3) comprises a plurality of straight web members (31) arranged horizontally and a plurality of diagonal web members (32) arranged obliquely; and/or, the closed path is set to be square, the standard knot (1) comprises diagonal draw bars (5), and two of the main chords (2) on the diagonal of the square are detachably connected through the diagonal draw bars (5).
8. A tower body, characterized in that the tower body comprises a plurality of standard knots according to any one of claims 1-7 arranged vertically, and the first mounting grooves of the main chords of each standard knot (1) are detachably connected with the mounting parts (4) of the main chords of the adjacent standard knot (1) positioned below respectively.
9. The tower according to claim 8, wherein the tower comprises a plurality of shuttle pins, and the mounting portion (4) and the first mounting groove are connected by two of the shuttle pins.
10. A method for assembling standard segments of a tower body, wherein the tower body is configured as a tower body according to claim 8 or 9, one of the standard segments (1) is configured as an nth standard segment, and the standard segment (1) connected above the nth standard segment is configured as an n +1 th standard segment, the method comprising the steps of:
s1: selecting a plurality of main chords (2) and a plurality of web members (3), arranging the main chords (2) according to the closed path, and detachably connecting the web members (3) between two adjacent main chords (2) respectively to obtain the n +1 standard knot through assembly;
s2: and (3) respectively connecting the first mounting grooves of the main chords (2) of the n +1 th standard knot after the assembly is finished with the mounting parts (4) of the main chords (2) of the n +1 th standard knot in a detachable manner so as to finish the matched mounting of the n +1 th standard knot.
CN201910002682.2A 2019-01-02 2019-01-02 Standard knot, tower body and assembling method of standard knot of tower body Pending CN111392614A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910002682.2A CN111392614A (en) 2019-01-02 2019-01-02 Standard knot, tower body and assembling method of standard knot of tower body

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910002682.2A CN111392614A (en) 2019-01-02 2019-01-02 Standard knot, tower body and assembling method of standard knot of tower body

Publications (1)

Publication Number Publication Date
CN111392614A true CN111392614A (en) 2020-07-10

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Application Number Title Priority Date Filing Date
CN201910002682.2A Pending CN111392614A (en) 2019-01-02 2019-01-02 Standard knot, tower body and assembling method of standard knot of tower body

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112551395A (en) * 2020-11-30 2021-03-26 中天建设集团有限公司 Tower crane installation structure and correction method for installation inclination caused by foundation inclination
CN115490162A (en) * 2022-09-22 2022-12-20 徐州建机工程机械有限公司 Standard joint of tower body of large tower crane

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112551395A (en) * 2020-11-30 2021-03-26 中天建设集团有限公司 Tower crane installation structure and correction method for installation inclination caused by foundation inclination
CN115490162A (en) * 2022-09-22 2022-12-20 徐州建机工程机械有限公司 Standard joint of tower body of large tower crane

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