CN214577533U - Can realize cross chassis of wind-powered electricity generation tower machine of quick installation of diagonal brace - Google Patents

Can realize cross chassis of wind-powered electricity generation tower machine of quick installation of diagonal brace Download PDF

Info

Publication number
CN214577533U
CN214577533U CN202120575411.9U CN202120575411U CN214577533U CN 214577533 U CN214577533 U CN 214577533U CN 202120575411 U CN202120575411 U CN 202120575411U CN 214577533 U CN214577533 U CN 214577533U
Authority
CN
China
Prior art keywords
support
underframe
chassis
festival
tower
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.)
Active
Application number
CN202120575411.9U
Other languages
Chinese (zh)
Inventor
韩哲
赵小伟
王海峰
李向阳
王鹏阁
王润铧
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.)
Kerun Electro Mechanical Engineering Co ltd
Original Assignee
Kerun Electro Mechanical Engineering 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 Kerun Electro Mechanical Engineering Co ltd filed Critical Kerun Electro Mechanical Engineering Co ltd
Priority to CN202120575411.9U priority Critical patent/CN214577533U/en
Application granted granted Critical
Publication of CN214577533U publication Critical patent/CN214577533U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/728Onshore wind turbines

Abstract

The utility model discloses a can realize cross chassis of wind-powered electricity generation tower machine of quick installation of diagonal brace belongs to hoisting machinery's technical field. The cross-shaped underframe comprises a tower bottom basic section and an underframe transition section which have the same cross section and are superposed up and down, a straight beam which is respectively hinged at four ends of the underframe transition section and extends outwards, four inclined supporting rods which are respectively hinged between the top surfaces of the far ends of the four straight beams and the upper parts of chord rods of the basic sections at the corresponding sides of the tower bottom basic section, four sets of supports and supporting legs which are respectively supported at the bottom of the far ends of the straight beams, a plurality of jacks are supported below the bottom of the underframe transition section, and the bottom of each jack is fixed on one set of support assembly. The utility model discloses a support of jack can effectively prevent sinking that tower bottom basis festival produced because of the dead weight, only need be equipped with a crane and can adjust the round pin axle hole site fast and smooth cartridge round pin axle, realize the quick installation of diagonal brace smoothly, improve the whole installation effectiveness and the progress of tower machine, perfect cross chassis.

Description

Can realize cross chassis of wind-powered electricity generation tower machine of quick installation of diagonal brace
Technical Field
The utility model relates to a hoisting machinery's technical field, more specifically say that a can realize the cross chassis of wind-powered electricity generation tower machine of quick installation of diagonal brace.
Background
At present, a crawler crane is generally adopted in the installation and construction of wind power towers with the height of less than 120 meters in China. For low-wind-speed high-tower wind power towers which are generally distributed in areas such as rice fields, ponds or plain farmlands and have the height of 140-160 m, an extra-large crawler crane or a self-elevating jib tower crane is required to be used for construction and hoisting. The traditional or imported super-huge crawler crane occupies a large area and has a large damaged arable land range, so most construction sites cannot meet the use condition. In order to solve the problem, the company designs a cross-shaped underframe which is convenient for the wind power hoisting tower crane to transition, small in occupied area, good in safety performance, spliced in a modularization mode, convenient to assemble and disassemble, convenient to transport, simple in operation, convenient to use, reasonable in stress, low in foundation bearing capacity requirement, simple in structure, light in dead weight, economical and practical, and the patent number is 2019220993528. But gradually find the defects of the cross-shaped underframe in the using process that: the installation process of the diagonal brace is to be further improved, the installation operation of the diagonal brace is often completed by means of the cooperation of two cranes, the amount of engineering machinery is large, the installation efficiency is low, and the integral installation progress of the tower crane is further influenced, which generally needs about 48 hours at present.
Disclosure of Invention
The utility model aims at providing a wind-powered electricity generation tower machine cross chassis that can realize the quick installation of diagonal brace just to the weak point that exists among the above-mentioned prior art. The utility model discloses a support of jack can effectively prevent sinking that tower bottom basis festival produced because of the dead weight, only need be equipped with a crane and can adjust pin shaft hole site and smooth cartridge round pin axle well fast, realize the quick installation of diagonal brace smoothly, improve the integral erection efficiency and the progress of tower machine, further perfect cross chassis, it is high to have an installation effectiveness, the input equipment is few, the installation cost is low, low in labor strength, rigidity is big, stability is high, the security performance is good, the atress is reasonable, area is little, convenient transition, be convenient for install and remove, the transportation is convenient, easy operation, high durability and convenient use, the dead weight is light, economy, practical advantage.
The purpose of the utility model can be realized by the following technical measures:
the utility model discloses a can realize cross chassis of wind-powered electricity generation tower machine of quick installation of diagonal brace, including the same, and from top to bottom superpose tower bottom base festival and chassis transition festival (when utilizing the utility model discloses when equipment wind-powered electricity generation hoist and mount tower machine, directly in the top overlap joint tower body standard festival of tower bottom base festival can, easy operation, convenient to use, and chassis transition festival is used for supporting and connecting tower bottom base festival, as the installation basis of tower bottom base festival), articulate respectively at four ends of chassis transition festival, and outwards extended a word roof beam (four word roof beams form cross big chassis after articulated linking to each other with chassis transition festival, and can open or fold fast according to the needs of work or transportation, have that rigidity is big, stability is high, the security performance is good, the atress is reasonable, area is little, convenient transition, be convenient to install and remove, the transportation is convenient, easy operation simple operation, the security performance is good, the atress is reasonable, the area is little, the convenient is changeing, convenient to install and remove, the transportation is convenient, the cross chassis of operation, Convenient to use, light dead weight, economy, practical advantage), articulate four diagonal braces between the distal top surface of four straight beams and basic festival chord member upper portion of the corresponding side of tower bottom basic festival respectively (the diagonal brace, basic festival chord member and straight beam form the big triangular support frame of the right angle, bear the load on the upper portion of the tower machine, has greatly improved the stress situation that the cross section of the basic festival of the traditional tower bottom is taken as the main support, the stress is rational, simple in construction, light dead weight, economy, practical), support four sets of supports and landing legs at the distal bottom of straight beam respectively (the relatively rational base distance makes the stress when the landing leg grounds greatly reduce, have correspondingly greatly reduced the demand for bearing capacity of the foundation, saved the fixed tower body foundation at the same time, economy, practicality, convenient transition); the bottom below of chassis transition section supports has a plurality of jack (through the jack to exerting ascending holding power to chassis transition section and tower bottom foundation section, can effectively prevent the sinking that tower bottom foundation section produced because of the dead weight, only need be equipped with a crane can adjust the round pin axle hole site fast well and cartridge round pin axle smoothly, realize the quick installation of diagonal brace smoothly, improve the whole installation effectiveness and the progress of tower machine, further perfect cross chassis), every the bottom of jack is all fixed on one set of support subassembly (support subassembly is as the installation basis and the support basis of jack).
In the utility model, the chassis transition section is of a square column truss structure, two diagonal bracing ribs are arranged in the bottom square frame of the chassis transition section along the diagonal direction (the rigidity of the chassis transition section is increased), the two diagonal bracing ribs extend outwards to form four corner points of the bottom square frame, and each extending end of each diagonal bracing rib is provided with a pin hole for hinging a linear beam (after a pin shaft is inserted into the pin hole of the extending end, the linear beam and the diagonal bracing ribs can be quickly hinged); the upper and lower surfaces of the end part of the inclined strut rib are respectively provided with an upper connecting plate and a lower top pressure plate (the upper connecting plate is used for connecting a tower bottom foundation section, the lever end of the jack upwards supports against the bottom surface of the lower top pressure plate, upward supporting force is transmitted to the underframe transition section and the tower bottom foundation section through the lower top pressure plate, the sinking of the tower bottom foundation section due to self weight can be effectively prevented, pin hole positions are quickly aligned, pin shafts are smoothly inserted, and the inclined strut is smoothly and quickly installed), the upper connecting plate and the lower top pressure plate inwards extend to the inner corner of the square frame at the bottom, and the area of the inner corner of the lower top pressure plate is larger than the area of the lever section of the jack (enough effective contact area between the lower top pressure plate and the lever end of the jack is ensured, and supporting force is smoothly transmitted).
The support component in the utility model comprises an upper support and a lower support which are combined in an inserting manner (the upper support and the lower support adopted by the support component are in an inserting type split design, which is convenient for manual movement and alignment of the jack position); the lower support comprises a lower bottom flat plate, a positioning cavity column vertically welded on the upper surface of the lower bottom flat plate, a triangular rib plate and a lower handle; the upper support comprises an upper top flat plate, a positioning column vertically welded on the lower surface of the upper top flat plate, a square rib plate and an upper handle; the outer diameter of the positioning column is matched with the inner diameter of the positioning cavity column (so that the positioning column can be smoothly inserted and embedded in the positioning cavity column).
The design principle of the utility model is as follows:
the utility model discloses an increase jack and support subassembly on the basis of original wind-powered electricity generation tower machine cross chassis, be about to four sets jack and support subassembly supports four interior corners in chassis transition festival bottom square frame that pair the use, let the lever top of jack upwards push up the lower roof pressure board of tight chassis transition festival, through roof pressure board down to chassis transition festival and tower bottom basis festival transmission ascending holding power, can effectively prevent sinking that tower bottom basis festival produces because of the dead weight. Just so can adjust the diagonal brace both ends fast well and match the pinhole position with the distal end top surface of a word roof beam respectively, with the basic festival chord member upper portion of the corresponding side of tower bottom basis festival, and then smooth cartridge pin axle, realize the quick installation of diagonal brace, improve the whole installation effectiveness and the progress of tower machine, further perfect cross chassis, it is high to have an installation effectiveness, the input equipment is few, the installation cost is low, low in labor strength, rigidity is big, high stability, good safety performance, the atress is reasonable, area is little, convenient transition, be convenient for install and remove, the transportation is convenient, and the operation is simple, high durability and convenient use, the dead weight is light, economy, practicality advantage.
The utility model has the advantages of as follows:
the utility model discloses a support of jack can effectively prevent sinking that tower bottom basis festival produced because of the dead weight, only need be equipped with a crane and can adjust pin shaft hole site and smooth cartridge round pin axle well fast, realize the quick installation of diagonal brace smoothly, improve the integral erection efficiency and the progress of tower machine, further perfect cross chassis, it is high to have an installation effectiveness, the input equipment is few, the installation cost is low, low in labor strength, rigidity is big, stability is high, the security performance is good, the atress is reasonable, area is little, convenient transition, be convenient for install and remove, the transportation is convenient, easy operation, high durability and convenient use, the dead weight is light, economy, practical advantage.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of a chassis transition section.
Fig. 3 is a cross-sectional view F-F of fig. 2.
Fig. 4 is a schematic structural view of the seat assembly.
Fig. 5 is a sectional view of B-B in fig. 4.
The sequence numbers in the figures illustrate: 1. 1-1 parts of tower bottom base sections and base section chord members; 2. a diagonal brace; 3. a linear beam; 4. 4-1 parts of underframe transition joints and diagonal bracing ribs; 4-1-1, pin holes, 4-1-2, upper connecting plates, 4-1-3, lower top pressure plates, 5 and jacks; 6. a seat assembly; 6-1, an upper support, 6-1-1, an upper top flat plate, 6-1-2, a positioning column, 6-1-3, a square rib plate, 6-1-4 and an upper handle; 6-2 parts of a lower support, 6-2-1 parts of a lower bottom flat plate, 6-2-2 parts of a positioning cavity column, 6-2-3 parts of a triangular rib plate, 6-2-4 parts of a lower handle; 7. a support; 8. and (7) supporting legs.
Detailed Description
The present invention will be further described with reference to the accompanying drawings:
as shown in figures 1-5, the utility model discloses a can realize cross chassis of wind-powered electricity generation tower machine of diagonal brace quick installation, including the same, and upper and lower superpose tower bottom basis festival 1 and chassis transition festival 4 (when utilizing the utility model discloses when assembling wind-powered electricity generation hoist and mount tower machine, directly overlap joint tower body standard festival in the top of tower bottom basis festival 1 can, easy operation, convenient to use, and chassis transition festival 4 is used for supporting and connecting tower bottom basis festival 1, as the installation basis of tower bottom basis festival 1), articulate respectively at four ends of chassis transition festival 4, and the one word roof beam 3 that outwards extends (four one word roof beams 3 form cross big chassis with chassis transition festival 4 articulated linking up, and can open or fold fast according to the needs of work or transportation, have rigidity big, stability is high, the security performance is good, the atress is reasonable, area is little, make things convenient for the transition, Convenient assembly and disassembly, convenient transportation, simple operation and convenient use, the tower bottom foundation has the advantages of light dead weight, economy and practicality), four inclined stay bars 2 (the inclined stay bars 2, the basic chord bars 1-1 and the straight beams 3 form a right-angle large triangular support frame to bear the load of the upper part of the tower crane, greatly improve the stress condition of the traditional method that the cross section of the tower bottom foundation section is used as a main support, and have reasonable stress, simple structure, light dead weight, economy and practicability) are respectively hinged between the top surfaces of the far ends of the four straight beams 3 and the upper parts of the basic chord bars 1-1 at the corresponding side of the tower bottom foundation section 1; the bottom of chassis transition section 4 is supported there is a plurality of jack 5 (exert ascending holding power through jack 5 subtend chassis transition section 4 and tower bottom foundation festival 1, can effectively prevent the sinking that tower bottom foundation festival 1 produced because of the dead weight, only need be equipped with a crane can adjust well fast round pin axle hole site and smooth cartridge pin axle, realize the quick installation of diagonal brace 2 smoothly, improve the whole installation effectiveness and the progress of tower machine, further perfect cross chassis), every the bottom of jack 5 is all fixed on one set of support subassembly 6 (support subassembly 6 is as the installation basis and the support basis of jack 5).
In the utility model, the chassis transition section 4 is a square column truss structure, two diagonal bracing ribs 4-1 are arranged in the bottom square frame of the chassis transition section 4 along the diagonal direction (the rigidity of the chassis transition section 4 is increased), the two diagonal bracing ribs 4-1 extend outwards to form four corner points of the bottom square frame, and each extending end of the diagonal bracing rib 4-1 is provided with a pin hole 4-1-1 for hinging the linear beam 3 (the pin shaft is inserted into the pin hole 4-1-1 of the extending end, so that the hinging between the linear beam 3 and the diagonal bracing rib 4-1 can be realized quickly); an upper connecting plate 4-1-2 and a lower top pressure plate 4-1-3 are arranged on the upper surface and the lower surface of the end part of the inclined strut rib 4-1 (the upper connecting plate 4-1-2 is used for connecting a tower bottom foundation section 1; the lever end of a jack 5 upwards supports against the bottom surface of the lower top pressure plate 4-1-3, upward supporting force is transmitted to the underframe transition section 4 and the tower bottom foundation section 1 through the lower top pressure plate 4-1-3, sinking of the tower bottom foundation section 1 due to self weight can be effectively prevented, pin shaft hole positions are quickly aligned and pin shafts are smoothly inserted, quick installation of the inclined strut 2 is smoothly realized), the upper connecting plate 4-1-2 and the lower top pressure plate 4-1-3 inwards extend to the inner corner of a square frame at the bottom, and the area of the inner corner of the lower top pressure plate 4-1-3 is larger than the lever cross-sectional area of the jack 5 (the lower top pressure plate 4-1-3 and the jack 4-1-3 are ensured to be larger than the lever cross-3 cross-sectional area of the jack 5 5 has a sufficiently large effective contact area between the lever ends to smoothly transmit the supporting force).
In the utility model, the support component 6 comprises an upper support 6-1 and a lower support 6-2 which are combined in an inserting and embedding way (the upper support 6-1 and the lower support 6-2 adopted by the support component 6 are in an inserting and embedding type split design, which is convenient for manual movement and alignment of the position of the jack 5); the lower support 6-2 comprises a lower bottom flat plate 6-2-1, a positioning cavity column 6-2-2 vertically welded on the upper surface of the lower bottom flat plate, a triangular rib plate 6-2-3 and a lower handle 6-2-4; the upper support 6-1 comprises an upper top flat plate 6-1-1, a positioning column 6-1-2 vertically welded to the lower surface of the upper top flat plate, a square rib plate 6-1-3 and an upper handle 6-1-4; the outer diameter of the positioning column 6-1-2 is matched with the inner diameter of the positioning cavity column 6-2-2 (so that the positioning column 6-1-2 can be smoothly inserted and embedded into the positioning cavity column 6-2-2).
The utility model discloses a concrete in service behavior as follows:
will the utility model discloses when transporting to the job site, carry out the spelling according to above-mentioned structure description earlier: firstly, arranging four sets of supports 7 and support legs 8 which are quickly positioned and pressed into a whole on corresponding positions on the ground; then, the underframe transition joint 4 is placed on the ground in the center; then horizontally rotating the two groups of the linear beams 3 in the closed state along a pin shaft at the hinged end for opening, namely rotating the linear beams 3 and the diagonal bracing ribs 4-1 in the underframe transition section 4 to be positioned on the same straight line; then, hoisting the underframe transition joint 4 and the four straight beams 3 to be right above the support 7, and installing in place; then, the tower bottom base section 1 is butted at the top of the underframe transition section 4; then, four sets of jacks 5 and support assemblies 6 which are used in a matched mode are supported at four inner corners of a square frame at the bottom of the underframe transition section 4, namely, the top end of a lever of each jack 5 is upwards pressed against the bottom surface of a lower top pressure plate 4-1-3, and upward supporting force is transmitted to the underframe transition section 4 and the tower bottom base section 1 through the lower top pressure plates 4-1-3, so that the tower bottom base section 1 can be effectively prevented from sinking due to self weight; therefore, the two ends of the diagonal brace 2 can be quickly aligned to match with the positions of pin holes respectively on the top surface of the far end of the linear beam 3 and the upper part of the basic section chord member 1-1 on the side corresponding to the tower bottom basic section 1, so that the pin shaft is smoothly inserted, and the diagonal brace 2 is quickly installed.

Claims (3)

1. The utility model provides a can realize cross chassis of wind-powered electricity generation tower machine of quick installation of diagonal brace, including the cross-section the same, and bottom of the tower basis festival (1) and chassis transition festival (4) of superpose from top to bottom, articulate respectively at four ends of chassis transition festival (4), and outside extension's a word roof beam (3), articulate respectively at four diagonal braces (2) between the basis festival chord member (1-1) upper portion of the distal end top surface and the bottom of the tower basis festival (1) of four word roof beams (3) corresponding side, support four sets of support (7) and landing leg (8) in a word roof beam (3) distal end bottom respectively, its characterized in that: a plurality of jacks (5) are supported below the bottom of the underframe transition joint (4), and the bottom of each jack (5) is fixed on a set of support assembly (6).
2. The cross-shaped underframe of a wind power tower crane capable of realizing quick installation of diagonal braces according to claim 1, characterized in that: the underframe transition joint (4) is of a square columnar truss structure, two diagonal bracing ribs (4-1) are arranged in a square frame at the bottom of the underframe transition joint (4) along the diagonal direction, the two diagonal bracing ribs (4-1) extend outwards out of four corner points of the square frame at the bottom, and each extending end of each diagonal bracing rib (4-1) is provided with a pin hole (4-1-1) for hinging a linear beam (3); an upper connecting plate (4-1-2) and a lower jacking plate (4-1-3) are arranged on the upper surface and the lower surface of the end part of the inclined supporting rib (4-1), the upper connecting plate (4-1-2) and the lower jacking plate (4-1-3) extend inwards to the inner corner of the square frame at the bottom, and the area of the inner corner of the lower jacking plate (4-1-3) is larger than the lever section area of the jack (5).
3. The cross-shaped underframe of a wind power tower crane capable of realizing quick installation of diagonal braces according to claim 1, characterized in that: the support assembly (6) comprises an upper support (6-1) and a lower support (6-2) which are combined in an inserting manner; the lower support (6-2) comprises a lower bottom flat plate (6-2-1), a positioning cavity column (6-2-2) vertically welded on the upper surface of the lower bottom flat plate, a triangular rib plate (6-2-3) and a lower handle (6-2-4); the upper support (6-1) comprises an upper top flat plate (6-1-1), a positioning column (6-1-2) vertically welded on the lower surface of the upper top flat plate, a square rib plate (6-1-3) and an upper handle (6-1-4); the outer diameter of the positioning column (6-1-2) is matched with the inner diameter of the positioning cavity column (6-2-2).
CN202120575411.9U 2021-03-22 2021-03-22 Can realize cross chassis of wind-powered electricity generation tower machine of quick installation of diagonal brace Active CN214577533U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120575411.9U CN214577533U (en) 2021-03-22 2021-03-22 Can realize cross chassis of wind-powered electricity generation tower machine of quick installation of diagonal brace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120575411.9U CN214577533U (en) 2021-03-22 2021-03-22 Can realize cross chassis of wind-powered electricity generation tower machine of quick installation of diagonal brace

Publications (1)

Publication Number Publication Date
CN214577533U true CN214577533U (en) 2021-11-02

Family

ID=78320949

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120575411.9U Active CN214577533U (en) 2021-03-22 2021-03-22 Can realize cross chassis of wind-powered electricity generation tower machine of quick installation of diagonal brace

Country Status (1)

Country Link
CN (1) CN214577533U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115387658A (en) * 2022-08-15 2022-11-25 浙江省建设工程机械集团有限公司 General type chassis basis

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115387658A (en) * 2022-08-15 2022-11-25 浙江省建设工程机械集团有限公司 General type chassis basis
CN115387658B (en) * 2022-08-15 2023-11-14 浙江省建设工程机械集团有限公司 Universal chassis foundation

Similar Documents

Publication Publication Date Title
CN102817484B (en) Heavy multifunctional combined supporting frame
CN214577533U (en) Can realize cross chassis of wind-powered electricity generation tower machine of quick installation of diagonal brace
WO2023020381A1 (en) Fabricated platform for offshore wind power monopile rock-socketed foundation construction
CN217602282U (en) Hydraulic self-standing holding pole lifting frame
CN209025103U (en) For building the pile-column foundation structure of escape truck or emergency bridge
CN205312931U (en) Modular cantilever crane and hoisting equipment
CN102261043A (en) Assembled steel pipe upright post system
CN217126754U (en) Sleeve frame assisting tower body unit section in jacking operation and facilitating transition
CN202643169U (en) Multiple arm frame truss type strengthening structure
CN202152442U (en) Assembling type steel tube-vertical post system
CN212896443U (en) Assembled steel construction tower machine basis
CN209975552U (en) Steel construction tower crane foundation cushion cap of adjustable size
CN212076230U (en) Wind power tower crane frame
CN212374758U (en) Climbing frame of tower crane
CN219118707U (en) General multi-angle turnover type pin shaft connection operation platform
CN217996606U (en) Assembled steel bearing platform for bolting tower crane
CN213087039U (en) Combined structure steel member
CN219586770U (en) Foundation structure of box girder assembled tower crane
CN213387468U (en) Super-large tower crane ballast underframe
CN113585286B (en) Concrete supporting pin mounted assembly suitable for foundation pit supporting
CN219839374U (en) Connection support suitable for wind-powered electricity generation overhauls hoist
CN215479346U (en) Arm section splicing unit, arm section and tower crane
CN219220630U (en) Truss for vertical wind turbine generator
CN216865088U (en) Tidal current energy single-pile offshore platform supporting structure
CN211110760U (en) Underframe system convenient for wind power hoisting tower crane to transfer

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant