CN116214055B - Construction lifter cage framework assembly welding tool and welding method thereof - Google Patents
Construction lifter cage framework assembly welding tool and welding method thereof Download PDFInfo
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- CN116214055B CN116214055B CN202310461355.XA CN202310461355A CN116214055B CN 116214055 B CN116214055 B CN 116214055B CN 202310461355 A CN202310461355 A CN 202310461355A CN 116214055 B CN116214055 B CN 116214055B
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- 238000003466 welding Methods 0.000 title claims abstract description 75
- 238000010276 construction Methods 0.000 title claims abstract description 45
- 238000000034 method Methods 0.000 title claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 47
- 239000010959 steel Substances 0.000 claims abstract description 47
- 238000003825 pressing Methods 0.000 claims description 19
- 239000000725 suspension Substances 0.000 claims description 13
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 210000000078 claw Anatomy 0.000 description 8
- 238000005299 abrasion Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004021 metal welding Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
Abstract
The invention discloses a construction hoist cage framework assembly welding tool and a welding method thereof, wherein the tool comprises a main groove steel frame surface tool, a cage bottom surface tool and a cage top surface tool; the main groove steel frame surface fixture is horizontally arranged, and a plurality of rod piece clamping and positioning devices are arranged on the main groove steel frame surface fixture and are used for clamping and positioning the rod pieces on the main groove steel frame surface; the lifting cage bottom surface tooling and the lifting cage top surface tooling are arranged on two sides of the main groove steel frame surface tooling, wherein the lifting cage bottom surface tooling is provided with a square tube positioning device, the lifting cage top surface tooling is provided with a square tube clamping device, and rod pieces on the cab surface are clamped and positioned through the square tube positioning device and the square tube clamping device; the assembly welding tool disclosed by the invention can be used for respectively assembling two different types of cage frameworks, and the tool is provided with a plurality of groups of positioning devices and clamping devices, so that the positioning precision of a rod piece is improved, and the welding precision of the cage frameworks of a construction lifter is further improved.
Description
Technical Field
The invention relates to the technical field of construction lifter machining, in particular to a construction lifter cage framework assembly welding tool and a welding method thereof.
Background
The disclosure of this background section is only intended to increase the understanding of the general background of the invention and is not necessarily to be construed as an admission or any form of suggestion that this information forms the prior art already known to those of ordinary skill in the art.
The construction lifter is a man-carrying and cargo-carrying construction machine which is frequently used in buildings, is mainly used for the construction of the buildings such as inner and outer decoration of high-rise buildings, bridges, chimneys and the like, and has wide application. The elevator cage is used as an indispensable component in the construction elevator to bear the weight of people and cargoes, and the manufacturing precision plays an important role in improving the quality of products. The structure of the elevator cage framework is shown in fig. 11, and the elevator cage framework is an important support for installing a transmission mechanism, an aluminum guard plate and a cab and is formed by welding a main groove steel frame, a cage top, a cage bottom and various rods. The transmission mechanism of the lifting cage is arranged on the main groove steel frame, so that the overall dimensional accuracy of the main groove steel frame and the lifting cage framework of the lifting cage is a key factor for positioning and overall operation stability of the transmission mechanism.
At present, the welding of the lifting cage framework of the lifter generally adopts a process flow of firstly single-piece and then assembly welding. The main groove steel frame, the hanging cage top and the hanging cage bottom are firstly welded into pieces, and then are assembled and welded through a specific tool. Therefore, the positioning accuracy and the welding quality of the welding tool in the assembly welding process are key to influencing the overall performance of the suspension cage. At present, a welding tool for cage assembly welding mainly comprises simple manual assembly, and has the problems of low efficiency and poor precision, so that the welded shape and size of a cage framework are unstable, and larger welding errors exist. Under the influence, a plurality of problems of subsequent assembly procedures are caused, such as the prefabrication of holes cannot be realized in the aluminum guard plate installation procedure, on-site drilling is required to be carried out manually, the assembly efficiency of the lifting cage of the lifter is seriously influenced, and the labor cost is increased. In addition, according to relevant national standard and use scene difference, can adopt the lift cage of different models to improve transportation efficiency, common construction lift cage size mainly has two kinds of models of 3m and 3.2 m. In the use, the same model of elevator cage must be equipped with to same group construction elevator both sides, and same group construction elevator cage is mirror symmetry, leads to 4 kinds of welding frock when carrying out elevator cage welding equipment, and area is big, with high costs, inefficiency.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a construction elevator cage framework assembly welding tool and a welding method thereof, which can accurately position each rod piece of an elevator cage framework and improve the welding precision of the elevator cage framework.
The technical scheme of the invention is as follows:
in a first aspect of the invention, a construction hoist cage framework assembly welding tool is provided, comprising a main groove steel frame surface tool, a cage bottom surface tool and a cage top surface tool;
the main groove steel frame surface fixture is horizontally arranged, a plurality of rod piece clamping and positioning devices are arranged on the main groove steel frame surface fixture, and the rod piece clamping and positioning devices can respectively clamp and position rod pieces on the main groove steel frame surfaces of two types of cage frameworks; the lifting cage bottom surface tool and the lifting cage top surface tool are respectively arranged at two sides of the main groove steel frame surface tool, wherein a square tube positioning device is arranged on the lifting cage bottom surface tool, a square tube clamping device is arranged on the lifting cage top surface tool, and the square tube positioning device and the square tube clamping device can respectively clamp and position rod pieces on cab surfaces of two types of lifting cage frameworks; the upper end clamping device and the positioning block are respectively arranged on the lifting cage bottom surface tool and the lifting cage top surface tool and are respectively used for clamping and positioning rod pieces on the lifting cage bottom surface and the lifting cage top surface; the main groove steel frame surface tool is provided with a lower end clamping device;
the lifting cage bottom surface tool and the lifting cage top surface tool are respectively connected with the main groove steel frame surface tool through a rotating shaft, and hydraulic cylinders are arranged on the side surfaces of the lifting cage bottom surface tool and the lifting cage top surface tool and can drive the lifting cage bottom surface tool and the lifting cage top surface tool to rotate around the shaft;
the square tube positioning device is arranged at the top of the tool on the bottom surface of the suspension cage and comprises a large square tube positioning device and a small square tube positioning device;
the large square tube positioning device comprises a first clamping groove, a first wedge-shaped pressing block is arranged in the first clamping groove, a first positioning block is arranged below the clamping groove, and a groove matched with the shape of the large square tube is formed in the first positioning block;
the small square tube positioning device comprises two fourth clamping grooves, a fourth wedge-shaped pressing block is arranged in each fourth clamping groove, a second positioning block is arranged below each clamping groove, and two grooves matched with the small square tube in shape are formed in the second positioning block;
the square tube clamping device is arranged at the top of the lifting cage top surface tool and comprises a square tube clamping assembly and a cylinder assembly, and the cylinder assembly can drive the clamping assembly to move;
the square tube clamping assembly comprises a welding frame, wherein a large square tube clamping device and a small square tube clamping device are arranged on the welding frame, and the large square tube clamping device and the small square tube clamping device are both composed of clamping grooves and wedge-shaped pressing blocks.
In some embodiments of the present invention, the rod clamping and positioning device includes a base, two ends of the base are respectively provided with a cylinder assembly, the cylinder assembly is connected with a claw, and a supporting piece is arranged between the two claws.
In some embodiments of the present invention, the support member is cross-shaped, and a first plane, a first elevation, a second plane, and a second elevation are disposed on the support member.
In a second aspect of the present invention, there is provided a method of welding a construction hoist cage frame, comprising the steps of:
the hydraulic cylinder is contracted to enable the tool on the bottom surface of the suspension cage and the tool on the top surface of the suspension cage to be in an inclined state, and the rod piece on the surface of the main groove steel frame is clamped and positioned on the tool on the surface of the main groove steel frame;
the hydraulic cylinder is extended to enable the lifting cage bottom surface tool and the lifting cage top surface tool to be in a vertical state, and the lifting cage bottom surface and the lifting cage top surface are respectively arranged on the lifting cage bottom surface tool and the lifting cage top surface tool;
the rod piece on the cab surface is clamped and positioned by using a square tube clamping device and a square tube positioning device;
and welding after the cage framework is assembled.
One or more of the technical schemes of the invention has the following beneficial effects:
(1) The assembly welding tool for the construction hoist cage framework is provided with the plurality of positioning devices and the clamping devices, the clamping devices are matched with the positioning devices, clamping force is applied to the workpiece by the clamping devices, and the positioning devices provide fixed support, so that welding deformation is reduced, deformation caused by thermal expansion and cold contraction in the welding process is counteracted by providing the workpiece with reverse deformation, and the welding precision of the construction hoist cage framework is improved.
(2) According to the assembly welding tool for the construction elevator cage framework, the square tube positioning device is arranged at the upper end of the tool on the bottom surface of the cage, and the square tube clamping device is arranged at the upper end of the tool on the top surface of the elevator cage, so that one end of a driving cab surface rod of the construction elevator cage framework is positioned and clamped in an auxiliary manner through the square tube positioning device, the other end of the driving cab surface rod of the construction elevator cage framework is stretched and shortened by the air cylinder to drive the square tube clamping mechanism to slide along the guide rail, positioning and clamping of the square tube are achieved through cooperation with the square tube positioning device on one side of the tool on the bottom surface of the elevator cage, and the problem that welding precision of the driving cab surface rod of the construction elevator cage framework is low due to too high welding position and rough positioning mode is solved.
(3) The welding fixture for the construction elevator cage framework disclosed by the invention is compatible and combined with the welding fixture for the 3.2m and 3m elevator cage frameworks aiming at the same point and different points of the 3.2m and 3m construction elevator cage frameworks, and can be used for welding the 3.2m elevator cage frameworks and the 3m elevator cage frameworks, so that the welding fixture has wide applicability.
Drawings
FIG. 1 is a schematic structural view of a construction hoist cage skeleton assembly welding tool of the present invention;
FIG. 2 is a schematic view of a clamping device according to the present invention;
FIG. 3 is a schematic structural view of a large square tube positioning device of the present invention;
FIG. 4 is a schematic structural view of a square tube positioning device according to the present invention;
fig. 5 is a schematic structural view of a square tube clamping device according to the present invention;
FIG. 6 is a schematic structural view of a large square tube clamping device of the present invention;
FIG. 7 is a schematic structural view of a square tube clamping device according to the present invention;
FIG. 8 is a schematic view of the upper clamping device of the present invention;
FIG. 9 is a schematic view of the lower end clamping device of the present invention;
FIG. 10 is a schematic view of the positioning block according to the present invention;
FIG. 11 is a schematic view of a construction hoist cage framework;
FIG. 12 is a schematic view of a construction hoist cage top of a cage framework;
fig. 13 is a schematic view of the construction hoist cage bottom of the cage framework.
In the figure: 1. an anchor bolt; 2. a main groove steel frame surface tool; 3. an adjustable sizing block; 4. a hydraulic cylinder; 5. a tool for the bottom surface of the suspension cage; 6. a large square tube positioning device; 601. a first positioning block; 602. a first bolt; 603. a first wedge-shaped press block; 604. a first slot cover; 605. a first clamping groove; 6011. a first positioning surface; 6012. a second positioning surface; 7. square tube clamping device; 701. a welding frame; 702. a slide block; 703. a slide rail; 704. angular joint; 705. a cylinder; 706. a large square tube clamping device; 7061. a second clamping groove; 7062. a second bolt; 7063. a second wedge-shaped press block; 7064. a second slot cover; 7065. the inner surface of the first clamping groove; 707. a small square tube clamping device; 7071. a third clamping groove; 7072. a third bolt; 7073. a third slot cover; 7074. a third wedge-shaped press block; 7075. the inner surface of the second clamping groove; 7076. the inner surface of the third clamping groove; 8. a tool on the top surface of the suspension cage; 9. a hydraulic cylinder base; 10. the rod piece clamping and positioning device; 101. a first base; 102. a support; 103. a first cylinder assembly; 104. a first claw; 105. a first elevation; 106. a second elevation; 107. a second plane; 108. a first plane; 11. a positioning device for the small square tube; 111. a second positioning block; 112. a fourth clamping groove; 113. a fourth slot cover; 114. a fourth bolt; 115. a fourth wedge-shaped press block; 116. a third positioning surface; 117. a fourth locating surface; 118. a fifth positioning surface; 119. a sixth locating surface; 12. an upper clamping device; 121. a second base; 122. a first support; 123. a second claw; 124. a second cylinder assembly; 1215. a second support; 13. a positioning block; 131. positioning a key seat; 132. a positioning key; 14. a lower end clamping device; 141. a third base; 15. cab surface; 16. the top surface of the suspension cage; 17. a main groove steel frame surface; 18. the bottom surface of the suspension cage.
Detailed Description
The invention is described below with reference to the accompanying drawings.
Example 1
By comparing the two types of elevator cage structures, the invention finds that the 3.2m type elevator cage framework has the same width and height dimensions as the 3m type elevator cage framework, but the relative positions of the rods with the same length direction are different, and the relative positions of the rods with the same length direction are different, so that the invention combines the same point and different point of the elevator cage with different types at the same position, combines the welding tools of the 3.2m type elevator cage framework and the 3m type elevator cage framework, and sets the tool capable of carrying out the assembly welding of the 3.2m type elevator cage framework and the assembly welding of the 3.2m type elevator cage framework.
In a typical embodiment of the invention, a construction hoist cage framework assembly welding tool is provided, as shown in fig. 1, and comprises a main groove steel frame surface tool 2, a cage bottom surface tool 5 and a cage top surface tool 8.
The main groove steel frame surface tooling 2 is horizontally arranged, and a plurality of rod piece clamping and positioning devices 10 are arranged on the main groove steel frame surface tooling and are used for clamping and positioning rod pieces on the main groove steel frame surface, and the number and the positions of the rod piece clamping and positioning devices are set according to the number and the positions of the rod pieces on the main groove steel frame surface; as shown in fig. 2, the rod clamping and positioning device 10 comprises a first base 101, two ends of the first base 101 are respectively provided with a first cylinder assembly 103, the first cylinder assemblies 103 are connected with first claws 104, the first claws 104 are rotatably arranged on the first base 101, a supporting piece 102 is arranged between the two first claws 104, the supporting piece 102 provides support for the rod, the supporting piece 102 is in a cross shape, when the construction elevator cage is in a 3m model, the rod is placed on a second plane 107 and a second vertical plane 106 of the supporting piece, and the claws are driven by the cylinder assemblies to be close to the supporting piece, so that the rod is clamped and positioned; when the construction elevator cage is 3.2m type, place the member in the first plane 108 and the first facade 106 department of support 102, drive the jack catch through the cylinder subassembly and be close to the support, realize the clamp down and the location to the member.
In the embodiment, in order to ensure the precision of the main groove steel frame surface tool 2, milling is performed on the bottom surface provided with the positioning blocks and the clamp, the main groove steel frame surface tool base is formed by welding H-shaped steel and a steel plate, welding deformation can be generated after the welding is finished, the positioning of a workpiece can be influenced, and the positioning is inaccurate, so that the milling and drilling are performed on the surface of the base according to the positioning reference of the workpiece, the levelness of the surface of the base and the accurate installation of the clamp can be ensured, and the positioning precision of the workpiece after the installation is finished is improved; meanwhile, the supporting piece of the rod piece clamping and positioning device is arranged on the base in a detachable mode, so that when the positioning accuracy of the rod piece is affected after the supporting piece is worn for a long time, the supporting piece can be replaced, and the positioning accuracy is guaranteed.
The two sides of the main groove steel frame surface tool 2 are arranged on the lifting cage bottom surface tool 5 and the lifting cage top surface tool 8, the lifting cage bottom surface tool 5 and the lifting cage top surface tool 8 are respectively connected with the main groove steel frame surface tool through rotating shafts, the hydraulic cylinders 4 are arranged on the two sides of the lifting cage bottom surface tool 5 and the lifting cage top surface tool 8 and can drive the two tool surfaces to rotate around the shafts, and when the hydraulic cylinders 4 are in a contracted state, the lifting cage top surface tool 8 and the lifting cage bottom surface tool 5 are in an inclined state, and clamping and positioning of a main groove steel frame surface rod piece can be performed at the moment; when the hydraulic cylinder 4 is in an extension state, the cage bottom surface tool 5 and the cage top surface tool 8 are positioned in a vertical state and are vertical to the main groove steel frame surface tool 2 to form a U-shaped structural form, and at the moment, the bottom surface of the elevator cage, the top surface of the elevator cage and the rod piece of the cab surface can be placed on the tool surface to be clamped and positioned.
The top of cage bottom surface frock 5 sets up square pipe positioner, and square pipe positioner includes big square pipe positioner 6 and little square pipe positioner 11. As shown in fig. 3, the large square tube positioning device 6 includes a first clamping groove 605, a first wedge-shaped pressing block 603 is arranged in the first clamping groove 605, the first wedge-shaped pressing block 603 is installed on the first clamping groove 605 through a first bolt 602, a first clamping groove cover 604 is arranged above the first clamping groove 605, a first positioning block 601 is arranged below the first clamping groove 605, a groove matched with the shape of the large square tube is formed in the first positioning block 601, one end of the large square tube is placed in the groove, the large square tube is in contact with a first positioning surface 6011 and a second positioning surface 6012, initial positioning is achieved, the large square tube is pressed on the second positioning surface 6012 and the bottom surface of a lifting cage of the lifting cage by the first clamping groove 605 and the first wedge-shaped pressing block 603, and positioning and pressing of one end of the large square tube are achieved.
As shown in fig. 4, the small square tube positioning device 11 is similar to the large square tube positioning device 6, the small square tube positioning device 11 comprises two fourth clamping grooves 112, a fourth wedge-shaped pressing block 115 is arranged in each clamping groove, the fourth wedge-shaped pressing block 115 is arranged in the fourth clamping groove 112 through a fourth bolt 114, a fourth clamping groove cover 113 is arranged above the fourth clamping groove 112, a second positioning block 111 is arranged below the fourth clamping groove 112, two grooves matched with the shape of the small square tube are arranged on the second positioning block 111, the two grooves can respectively position one end of the small square tube of a 3m and 3.2m type elevator cage framework, when the construction elevator cage is of the 3m type, one end of the small square tube is placed in the groove, the small square tube is in contact with a third positioning surface 116 and a fourth positioning surface 117, initial positioning is achieved, the small square tube is pressed on the fourth positioning surface 117 and the bottom surface of the elevator cage by the fourth wedge-shaped pressing block 115, and positioning and pressing of one end of the small square tube are achieved; when the construction elevator cage is 3.2m type, place the one end of little side pipe in the recess, little side pipe and fifth locating surface 118 and sixth locating surface 119 contact realize the initial positioning, fourth draw-in groove 112 and fourth wedge briquetting 115 compress tightly little side pipe on fifth locating surface 118 and elevator cage bottom surface, have realized the location and the compression of little side pipe one end.
The top of cage bottom surface frock sets up square pipe clamping device 7, and square pipe clamping device and square pipe positioner cooperation use, realize the clamping and the location to big square pipe and little square pipe on the driver's cabin face of lift cage skeleton.
As shown in fig. 5, the square tube clamping device 7 comprises a square tube clamping assembly and a cylinder assembly, the cylinder assembly can drive the clamping assembly to move, the cylinder assembly comprises a sliding block 702, a sliding rail 703, an angular joint 704 and a cylinder 705, and the cylinder 705 drives the sliding block 702 to move in the sliding rail 703; the square tube clamping assembly comprises a welding frame 701, wherein the welding frame 701 is fixedly connected with a sliding block 702, the welding frame 701 is driven to move by the sliding block 702, and a large square tube clamping device 706 and a small square tube clamping device 707 are arranged on the welding frame 701.
As shown in fig. 6, the large square tube clamping device 706 includes a second clamping groove 7061, a second wedge-shaped pressing block 7063 is installed in the second clamping groove 7061 through a second bolt 7062, a second clamping groove cover 7064 is arranged above the second clamping groove 7061, the other end of the large square tube is pressed on the top surface of the elevator cage through a first clamping groove inner surface 7065 and the second wedge-shaped pressing block 7063, and clamping and positioning of the large square tube on the cab surface are achieved through the large square tube clamping device 706 and the large square tube positioning device 6.
As shown in fig. 7, the small square tube clamping device 707 includes two third clamping grooves 7071, a third wedge-shaped pressing block 7074 is installed in the third clamping grooves 7071 through a third bolt 7072, a third clamping groove cover 7073 is arranged above the third clamping grooves 7071, the two third clamping grooves 7071 can respectively position the other ends of the small square tubes of the 3m and 3.2m type elevator cage frameworks, when the construction elevator cage is of the 3m type, the other ends of the small square tubes are placed in the third clamping grooves, and the other ends of the small square tubes are pressed on the top surface of the elevator cage through the inner surfaces 7075 of the second clamping grooves and the third wedge-shaped pressing block 7074; when the construction elevator cage is 3.2m in size, the other end of the small square tube is placed in the third clamping groove 7071, and the other end of the small square tube is pressed on the top surface of the elevator cage through the inner surface 7076 of the third clamping groove and the third wedge-shaped pressing block 7074; the small square tube clamping device 707 and the small square tube positioning device 11 are used for clamping and positioning the small square tube on the cab surface.
As shown in fig. 8-10, the positioning blocks 13 are installed on the cage bottom surface tooling 5 and the cage top surface tooling 8, the cage top surface tooling and the cage bottom surface tooling positioning key seat 131 are milled to form an accurate positioning surface, and the positioning key 132 is installed on the positioning key seat 131 as a replaceable part to prevent the reduction of positioning accuracy after abrasion. The upper end clamping devices 12 are installed on two sides of the upper ends of the lifting cage bottom surface tool 5 and the lifting cage top tool surface 8, the lower end clamping devices 14 are installed on the third base 141 of the main groove steel frame surface tool and distributed on two sides of the lower ends of the lifting cage bottom surface tool and the lifting cage top tool surface, the second cylinder assembly 124 drives the second clamping jaw 123 to be close to the lifting cage bottom surface and the lifting cage top surface to achieve clamping and positioning, and at the moment, the cab surface rod piece can be placed on the tool surface to be clamped and positioned.
In this embodiment, the hydraulic cylinder 4 of cage bottom surface frock 5 and cage top surface frock 8 both sides face is installed on pneumatic cylinder base 9, and main tank steelframe face frock 2 and pneumatic cylinder base 9 lower part all set up a plurality of rag bolts 1, realizes the fixed of whole work through rag bolt.
After the assembly welding tool in the embodiment is assembled and welded through the lifting cage framework for several times, certain abrasion is caused on the positioning blocks and the clamp supporting pieces, the positioning blocks and the clamp supporting pieces are arranged to be of a detachable structure aiming at the abrasion problem of the positioning blocks and the clamp, and after certain abrasion, the original positioning precision is ensured through the positioning blocks and the clamp supporting pieces with unchanged replacement parameters, so that the positioning precision of the lifting cage framework parts is ensured not to be influenced by abrasion for a long time.
In the welding process of the workpiece, the welding deformation is probably caused due to the heated non-uniformity, the expected positioning precision can still be achieved after the welding is finished, a deformation allowance is needed for the workpiece before the welding, and the workpiece is subjected to the reverse deformation method in the installation and positioning of the workpiece, so that the expected positioning precision is achieved by utilizing the metal welding deformation rule after the welding of the workpiece is finished.
The application method of the construction lifter cage framework assembly welding tool of the embodiment is as follows:
the hydraulic cylinder 4 is contracted to enable the lifting cage bottom surface tooling 5 and the lifting cage top surface tooling 8 to be in an inclined state, and a rod clamping and positioning device 10 is utilized to clamp and position a rod of a main groove steel frame surface 17 on the main groove steel frame surface tooling 2;
the hydraulic cylinder 4 is extended to enable the cage bottom surface tooling 5 and the cage top surface tooling 8 to be in a vertical state, and the cage bottom surface 18 and the cage top surface 16 are respectively arranged on the cage bottom surface tooling 5 and the cage top surface tooling 8;
the large square tube and the small square tube of the cab surface 15 are clamped and positioned by using a square tube clamping device 7 and a square tube positioning device;
and welding after the cage framework is assembled.
The construction elevator cage skeleton assembly welding frock that this embodiment provided can assemble the cage skeleton of construction elevator on the frock, is provided with multiunit positioner and clamping device on the frock, has improved the positioning accuracy of member, and then has improved the welding accuracy of construction elevator cage skeleton.
Example 2
In an exemplary embodiment of the present invention, a method for welding a cage frame of a construction hoist is provided, including the steps of:
the hydraulic cylinder is contracted to enable the tool on the bottom surface of the suspension cage and the tool on the top surface of the suspension cage to be in an inclined state, and the rod piece on the surface of the main groove steel frame is clamped and positioned on the tool on the surface of the main groove steel frame;
the hydraulic cylinder is extended to enable the lifting cage bottom surface tool and the lifting cage top surface tool to be in a vertical state, and the lifting cage bottom surface and the lifting cage top surface are respectively arranged on the lifting cage bottom surface tool and the lifting cage top surface tool;
the rod piece on the cab surface is clamped and positioned by using a square tube clamping device and a square tube positioning device;
and welding after the cage framework is assembled.
The welding method of the embodiment can weld the cage framework after the cage framework is assembled, and improves the welding efficiency of the construction lifter cage framework.
While the foregoing embodiments have been described in detail in connection with the embodiments of the invention, it should be understood that the foregoing embodiments are merely illustrative of the invention and are not intended to limit the invention, and any modifications, additions, substitutions and the like made within the principles of the invention are intended to be included within the scope of the invention.
Claims (4)
1. The construction lifter cage framework assembly welding tool is characterized by comprising a main groove steel frame surface tool, a cage bottom surface tool and a cage top surface tool;
the main groove steel frame surface fixture is horizontally arranged, a plurality of rod piece clamping and positioning devices are arranged on the main groove steel frame surface fixture, and the rod piece clamping and positioning devices can respectively clamp and position rod pieces on the main groove steel frame surfaces of two types of cage frameworks; the lifting cage bottom surface tool and the lifting cage top surface tool are respectively arranged at two sides of the main groove steel frame surface tool, wherein a square tube positioning device is arranged on the lifting cage bottom surface tool, a square tube clamping device is arranged on the lifting cage top surface tool, and the square tube positioning device and the square tube clamping device can respectively clamp and position rod pieces on cab surfaces of two types of lifting cage frameworks; the upper end clamping device and the positioning block are respectively arranged on the lifting cage bottom surface tool and the lifting cage top surface tool and are respectively used for clamping and positioning rod pieces on the lifting cage bottom surface and the lifting cage top surface; the main groove steel frame surface tool is provided with a lower end clamping device;
the lifting cage bottom surface tool and the lifting cage top surface tool are respectively connected with the main groove steel frame surface tool through a rotating shaft, and hydraulic cylinders are arranged on the side surfaces of the lifting cage bottom surface tool and the lifting cage top surface tool and can drive the lifting cage bottom surface tool and the lifting cage top surface tool to rotate around the shaft;
the square tube positioning device is arranged at the top of the tool on the bottom surface of the suspension cage and comprises a large square tube positioning device and a small square tube positioning device;
the large square tube positioning device comprises a first clamping groove, a first wedge-shaped pressing block is arranged in the first clamping groove, a first positioning block is arranged below the clamping groove, and a groove matched with the shape of the large square tube is formed in the first positioning block;
the small square tube positioning device comprises two fourth clamping grooves, a fourth wedge-shaped pressing block is arranged in each fourth clamping groove, a second positioning block is arranged below each clamping groove, and two grooves matched with the small square tube in shape are formed in the second positioning block;
the square tube clamping device is arranged at the top of the lifting cage top surface tool and comprises a square tube clamping assembly and a cylinder assembly, and the cylinder assembly can drive the clamping assembly to move;
the square tube clamping assembly comprises a welding frame, wherein a large square tube clamping device and a small square tube clamping device are arranged on the welding frame, and the large square tube clamping device and the small square tube clamping device are both composed of clamping grooves and wedge-shaped pressing blocks.
2. The assembly welding tool for the cage framework of the construction hoist according to claim 1, wherein the rod clamping and positioning device comprises a base, cylinder assemblies are respectively arranged at two ends of the base, the cylinder assemblies are connected with clamping jaws, and a supporting piece is arranged between the two clamping jaws.
3. The construction elevator cage skeleton assembly welding tool of claim 2, wherein the support member is cross-shaped, and the support member is cross-shaped and is provided with a first plane, a first vertical surface, a second plane and a second vertical surface.
4. A welding method of a construction elevator cage framework, which is realized by adopting the assembly welding tool as claimed in any one of claims 1 to 3, and is characterized by comprising the following steps:
the hydraulic cylinder is contracted to enable the tool on the bottom surface of the suspension cage and the tool on the top surface of the suspension cage to be in an inclined state, and the rod piece on the surface of the main groove steel frame is clamped and positioned on the tool on the surface of the main groove steel frame;
the hydraulic cylinder is extended to enable the lifting cage bottom surface tool and the lifting cage top surface tool to be in a vertical state, and the lifting cage bottom surface and the lifting cage top surface are respectively arranged on the lifting cage bottom surface tool and the lifting cage top surface tool;
the rod piece on the cab surface is clamped and positioned by using a square tube clamping device and a square tube positioning device;
and welding after the cage framework is assembled.
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| CN202310461355.XA CN116214055B (en) | 2023-04-23 | 2023-04-23 | Construction lifter cage framework assembly welding tool and welding method thereof |
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| CN103962776A (en) * | 2014-04-30 | 2014-08-06 | 柳州五菱汽车有限责任公司 | Welding fixture |
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| CN116214055A (en) | 2023-06-06 |
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