CN203062181U - Rotating tool for standard mast section of tower crane - Google Patents
Rotating tool for standard mast section of tower crane Download PDFInfo
- Publication number
- CN203062181U CN203062181U CN 201320105766 CN201320105766U CN203062181U CN 203062181 U CN203062181 U CN 203062181U CN 201320105766 CN201320105766 CN 201320105766 CN 201320105766 U CN201320105766 U CN 201320105766U CN 203062181 U CN203062181 U CN 203062181U
- Authority
- CN
- China
- Prior art keywords
- screw mandrel
- mast section
- location
- sleeve
- rotating mechanism
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The utility model discloses a rotating tool for a standard mast section of a tower crane. The rotating tool is characterized by comprising a chassis (1) and a rotating mechanism (2), wherein the rotating mechanism is rotationally connected with the chassis (1) through a long axis (3) and a short axis (4) at two ends of the rotating mechanism; the rotating mechanism (2) consists of wallboards (5) at two ends and connecting posts (6) connected at four corners of the wallboards at two ends; the wallboard at one end is provided with a fixed main rotary rod positioning shaft (7); the wallboard at theother end is correspondinglyprovidedwith a flexibly positioned main rotary rod jacking mechanism (8) and a support block positioning backup plate. In the process of assembling the standard mast section, a main chord is positioned and mounted through the jacking mechanism, and the accuracy and perpendicularity of each diagonal of the standard mast section are ensured to the maximum extent; and support block positioning and welding can be well implemented. Since the machining accuracy is improved, the interchangeability of the standard mast section is ensured.
Description
Technical field
The present invention relates to the derrick crane technical field, a kind of standard knot device that is applied in the derrick crane of more specifically saying so.
Background technology
Existing column crane mast section frock is that wallboard is fixed, locate main chord with alignment pin, positioning accuracy is not high, influence institute production standard joint product quality, and this type of frock can only satisfy assembly unit work, can not realize welding one, welding is welded after need withdrawing from frock separately, and production efficiency is low.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the invention provides the column crane mast section rotary tooling, it effectively the welding of standard knot integral body in same frock, finish, and can improve positioning accuracy, promote product quality.
The technical solution adopted in the present invention is:
The column crane mast section rotary tooling, its design feature is: comprise underframe and rotating mechanism, major axis and minor axis and the underframe of described rotating mechanism by its two ends is rotationally connected, described rotating mechanism is made up of two end wall panels and the joint pin that is connected four jiaos of two end wall panels, an end wall panel wherein is provided with fixed main swing arm locating shaft, and the correspondence of other end wallboard is provided with the main swing arm jacking mechanism of flexible location.
Design feature of the present invention also is:
Described jacking mechanism comprises handwheel, interlock plate, screw mandrel, locating shaft, location axle sleeve, screw mandrel overcoat and tight sleeve, described location axle sleeve and screw mandrel overcoat fixed cover are in the wallboard preformed hole, described locating shaft slip cap is in the axle sleeve of location, fixedly connected with the interlock plate in its outer end, inner end cooperates with the fixing hole of the joint sleeve of main swing arm end; Described screw mandrel is enclosed within the screw mandrel overcoat, and with screw mandrel overcoat right part threaded engagement, the front portion of screw mandrel and tight sleeve threaded engagement, afterbody pass the interlock plate the hole fixedly connected with handwheel; Internal thread sleeve pipe one end of described tight sleeve is actively set in the screw mandrel overcoat.
The anterior external diameter of described screw mandrel is less than 1/2 of rear portion external diameter and the anterior thread pitch that cooperates with the tight sleeve thread pitch that is the screw mandrel rear portion.
Described rotary tooling also is provided with the location backup plate for the positioning supports piece, and described location backup plate is fixedly connected on the corresponding joint pin of back-up block, comprises location division, back-up block bottom side and left positioner portion.
Described tight sleeve is T type structure, is made up of the portion of pushing against and the tapped cannula portion of front end, and described cannula portion outer wall is axially arranged with keyway; Described screw mandrel puts the keyhole that is provided with fitting key corresponding to keyway outward.
Compared with the prior art, beneficial effect of the present invention is embodied in:
Frock of the present invention positions installation with jacking mechanism to main chord on the one hand in assembly unit standard knot process, guarantee each cornerwise accuracy and perpendicularity of standard knot to greatest extent; Back-up block is located and is welded on this novel practical and also can realize preferably on the other hand.Because the raising of machining accuracy, guaranteed the interchangeability of standard knot, and the present invention finishes the welding of standard knot integral body effectively in same frock, when enhancing productivity, also reduced labour intensity.
Jacking mechanism of the present invention, when rotating handwheel, because the stroke of locating shaft is bigger than the stroke of tight sleeve, so screw mandrel front and back pitch is by the relation that arranges of 1:2, make locating shaft and tight sleeve with advancing with going out, can finish the location of locating shaft and the problem that holds out against of tight sleeve simultaneously.
Description of drawings
Fig. 1 is the practical view of the present invention.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the right view of Fig. 1.
Fig. 4 is that frock of the present invention is to the cutaway view of main swing arm location.
Fig. 5 is screw structure schematic diagram of the present invention.
Fig. 6 is tight sleeve structural representation of the present invention.
Fig. 7 is back-up block backup plate structural representation of the present invention.
Fig. 8 is the vertical view of Fig. 7.
Number in the figure: 1 underframe, 2 rotating mechanisms, 3 major axis, 4 minor axises, 5 wallboards, 6 joint pins, 7 fixed main swing arm locating shafts, 8 jacking mechanisms, 9 handwheels, 10 interlock plates, 11 screw mandrels, 12 locating shafts, 13 location axle sleeves, 14 screw mandrel overcoats, 15 tight sleeves, 16 fixing holes, 17 back-up blocks, 18 main swing arms, 19 location backup plates, 20 keyholes, 111 screw mandrel front portions, 112 screw mandrel rear portions, 113 stopper sections, 151 internal threads, 152 cannula portion, 153 keyways, 154 push against portion, location division, 191 bottom side, 192 left positioner portions.
Technical solution of the present invention is described further by the specific embodiment below in conjunction with accompanying drawing.
The specific embodiment
As Figure 1-3, the column crane mast section rotary tooling, comprise underframe 1 and rotating mechanism 2, rotating mechanism is rotationally connected with underframe 1 by major axis 3 and the minor axis 4 at its two ends, rotating mechanism 2 is made up of two end wall panels 5 and the joint pin 6 that is connected four jiaos of two end wall panels, an end wall panel wherein is provided with fixed main swing arm locating shaft 7, and the correspondence of other end wallboard is provided with the main swing arm jacking mechanism 8 of flexible location.
As shown in Figure 4, jacking mechanism comprises handwheel 9, interlock plate 10, screw mandrel 11, locating shaft 12, location axle sleeve 13, screw mandrel overcoat 14 and tight sleeve 15, location axle sleeve 13 and screw mandrel overcoat 14 fixed covers are in the wallboard preformed hole, locating shaft 12 slip caps are in the axle sleeve of location, fixedly connected with interlock plate 10 in its outer end, the joint sleeve of inner end and main swing arm end fixing hole 16 cooperate; Screw mandrel 11 is enclosed within the screw mandrel overcoat 14, and cooperates with screw mandrel overcoat right-hand member internal thread part, the front portion of screw mandrel and tight sleeve 15 threaded engagement, afterbody pass the interlock plate 1 the hole fixedly connected with handwheel; Tight sleeve 15 1 ends are actively set in the screw mandrel overcoat and are limited and rotate.
As shown in Figure 5, anterior 111 external diameters of screw mandrel are less than 1/2 of rear portion external diameter and the anterior thread pitch that cooperates with the tight sleeve thread pitch that is screw mandrel rear portion 112, and the afterbody of screw mandrel is provided with the stopper section 113 of fixing the plate that links.
As shown in Figure 6, tight sleeve is T type structure, is made up of the cannula portion 152 of the portion of pushing against 154 and front end band internal thread 151, and the cannula portion outer wall is axially arranged with keyway 153; As shown in Figure 1, be provided with the keyhole 20 of fitting key on the screw mandrel overcoat 14 corresponding to keyway 153.
Shown in Fig. 7-8, rotary tooling also is provided with the location backup plate 19 for positioning supports piece 17, and the location backup plate is fixedly connected on the corresponding joint pin 6 of back-up block, comprises location division, back-up block bottom side 191 and left positioner portion 192.
On main chord during frock, be transferred to prefabricated position and rotate handwheel to hold out against main chord, be that handwheel drives the screw mandrel rotation, the screw mandrel rear end is spiral in the internal thread hole of screw mandrel overcoat right-hand member, screw mandrel produces stroke left, move locating shaft to left movement by the interlock strip, and that screw mandrel rotation drives tight sleeve is protruding in the screw mandrel overcoat, finally when locating shaft enters into the optimum position of fixing hole of main swing arm outer tube, tight sleeve just in time pushes against main swing arm end, after so operation makes main chord all hold out against four times, at rotating mechanism assembly unit standard knot web member, regulate the anglec of rotation during assembly unit and reach the position that is conducive to weld.During the back-up block location, shown in Fig. 7-8, spot welding is fixed it after back-up block is placed at backup plate place, location.So far assembly unit operation is finished and is entered welding sequence, and the anglec of rotation of regulating rotating mechanism is welded its position that rests on convenient welding.
After welding is finished, unscrew jacking mechanism handwheel to alignment pin and withdraw from positioning sleeve fully, treat that four jacking mechanisms withdraw from fully after, use driving that standard knot is hung out.
Claims (5)
1. column crane mast section rotary tooling, it is characterized in that: comprise underframe (1) and rotating mechanism (2), described rotating mechanism is rotationally connected with underframe (1) by major axis (3) and the minor axis (4) at its two ends, described rotating mechanism (2) is made up of two end wall panels (5) and the joint pin (6) that is connected four jiaos of two end wall panels, an end wall panel wherein is provided with fixed main swing arm locating shaft (7), and the correspondence of other end wallboard is provided with the main swing arm jacking mechanism (8) of flexible location.
2. column crane mast section rotary tooling according to claim 1, it is characterized in that: described jacking mechanism (8) comprises handwheel (9), interlock plate (10), screw mandrel (11), locating shaft (12), location axle sleeve (13), screw mandrel overcoat (14) and tight sleeve (15), described location axle sleeve (13) and screw mandrel overcoat (14) fixed cover are in the wallboard preformed hole, described locating shaft (12) slip cap is in the axle sleeve of location, fixedly connected with interlock plate (10) in its outer end, inner end cooperates with the fixing hole (16) of the joint sleeve of main swing arm end; Described screw mandrel (11) is enclosed within the screw mandrel overcoat (14), and cooperates with screw mandrel overcoat right-hand member internal thread part, the front portion of screw mandrel and tight sleeve (15) threaded engagement, afterbody pass the interlock plate (1) the hole fixedly connected with handwheel; Described tight sleeve (15) one ends are actively set in the screw mandrel overcoat and are limited and rotate.
3. column crane mast section rotary tooling according to claim 2 is characterized in that: described screw mandrel front portion (111) external diameter is less than 1/2 of rear portion external diameter and the anterior thread pitch that cooperates with the tight sleeve thread pitch that is screw mandrel rear portion (112).
4. column crane mast section rotary tooling according to claim 1 and 2, it is characterized in that: described rotary tooling also is provided with the location backup plate (19) for positioning supports piece (17), described location backup plate is fixedly connected on the corresponding joint pin of back-up block (6), comprises location division, back-up block bottom side (191) and left positioner portion (192).
5. column crane mast section rotary tooling according to claim 2, it is characterized in that: described tight sleeve is T type structure, cannula portion (152) by the portion of pushing against (154) and front end band internal thread (151) is formed, and described cannula portion outer wall is axially arranged with keyway (153); Described screw mandrel overcoat (14) is gone up the keyhole (20) that is provided with fitting key corresponding to keyway (153).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320105766 CN203062181U (en) | 2013-03-07 | 2013-03-07 | Rotating tool for standard mast section of tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320105766 CN203062181U (en) | 2013-03-07 | 2013-03-07 | Rotating tool for standard mast section of tower crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203062181U true CN203062181U (en) | 2013-07-17 |
Family
ID=48761007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320105766 Expired - Fee Related CN203062181U (en) | 2013-03-07 | 2013-03-07 | Rotating tool for standard mast section of tower crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203062181U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103128478A (en) * | 2013-03-07 | 2013-06-05 | 安徽建筑机械有限责任公司 | Tower crane standard section rotating tool |
| CN106826059A (en) * | 2017-03-01 | 2017-06-13 | 广西双起起重机制造有限公司 | A kind of frame tower crane standard knot welder |
-
2013
- 2013-03-07 CN CN 201320105766 patent/CN203062181U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103128478A (en) * | 2013-03-07 | 2013-06-05 | 安徽建筑机械有限责任公司 | Tower crane standard section rotating tool |
| CN103128478B (en) * | 2013-03-07 | 2015-11-18 | 安徽建筑机械有限责任公司 | Column crane mast section rotary tooling |
| CN106826059A (en) * | 2017-03-01 | 2017-06-13 | 广西双起起重机制造有限公司 | A kind of frame tower crane standard knot welder |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103128478B (en) | Column crane mast section rotary tooling | |
| CN203062181U (en) | Rotating tool for standard mast section of tower crane | |
| CN210818141U (en) | Turbine blade pre-welding positioning tool with high efficiency and reliable quality | |
| CN210239716U (en) | Pneumatic jumbolter combination supporting device | |
| CN203227953U (en) | Automatic production device for disc type scaffolds | |
| CN205651077U (en) | Bearing roller formula centre frame | |
| CN104117595A (en) | Feeding, overturning and transverse movement device for heading of steel pipes | |
| CN203599599U (en) | Single-sided double-faced chamfering machine device for steel plate | |
| CN204638979U (en) | A kind of U-shaped screw rod Special pull bending apparatus | |
| CN204975866U (en) | Odd -shaped cross section turning rolls | |
| CN107322036B (en) | A kind of quick perforation processing device lengthening straight seam welded pipe | |
| CN203380228U (en) | Inner support device for production of pressure steel pipe | |
| CN204711474U (en) | A kind of bend pipe automatic welding fixture | |
| CN202752779U (en) | Swing frame middle rib quick centring device of bulldozer traveling system | |
| CN203159086U (en) | Main screw rod butting mechanism applied to rotating tool for standard knots of tower crane | |
| CN203558640U (en) | Rapid wire roller changing device for steel wire winding pipe | |
| CN203459708U (en) | Drilling tool of positioning pin for end cap of bowl mill | |
| CN102500799B (en) | Seamless steel pipe end part chamfer clamp | |
| CN202517228U (en) | Positioner assembly for welding | |
| CN107511408B (en) | Four-roller core holding device | |
| CN105057704A (en) | Drum processing method and drum processing device of ball mill | |
| CN214134060U (en) | Drilling equipment is used in flange production | |
| CN203992083U (en) | The cylinder of producing for inner tank of washing machine is along mounting and positioning device | |
| CN203973218U (en) | A kind of cylinder bore hole bracing frame | |
| CN219130406U (en) | Simple adjusting tool for deformation of middle-thin wall pipe orifice |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130717 Termination date: 20150307 |
|
| EXPY | Termination of patent right or utility model |