CN201678383U - Tower crane standard joint leading-in device - Google Patents
Tower crane standard joint leading-in device Download PDFInfo
- Publication number
- CN201678383U CN201678383U CN 201020181231 CN201020181231U CN201678383U CN 201678383 U CN201678383 U CN 201678383U CN 201020181231 CN201020181231 CN 201020181231 CN 201020181231 U CN201020181231 U CN 201020181231U CN 201678383 U CN201678383 U CN 201678383U
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- standard knot
- pin
- wheel
- locating dowel
- hook
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Abstract
A tower crane standard joint leading-in device comprises a supporting frame for supporting and connecting standard joints and a leading-in wheel connected with the supporting frame. The supporting frame consists of two parallel hooked plates and a transverse connecting rod connected between the two hooked plates, the upper end of the supporting frame is symmetrically welded with a left horizontal positioning plate and a right horizontal positioning plate, each positioning plate is provided with a pin hole, and a positioning pin is inserted in each pin hole, the upper surface of each positioning plate is welded with a leading-in wheel shaft, a leading-in wheel is located on the outer side of each positioning plate and rotatably connected to each leading-in wheel shaft, and hooks of the hooked plates are bent towards the inner sides of the positioning plates. The tower crane standard joint leading-in device effectively solves problems that the leading-in wheel is easy to deviate and turn left or right during processes of leading-in standard joints and the standard joints are easy to derail and fall down in the traditional wheel rail mode, and ensures the standard joints to be led in more stably, safely, conveniently and quickly.
Description
Technical field
The utility model relates to a kind of device that tower machine standard knot is used that transports.
Background technology
The tower machine has obtained widespread use as a kind of important handling machinery in modern industry and the realm of building construction.Along with China's rapid growth of economy, the high level in numerous cities, high-rise building and big single building also begin to roll up, and particularly technical performance, handling and the safety performance of tower crane have proposed new requirements at the higher level to construction hoisting machinery thus.Because the kind of tower machine and the difference of mode of operation, mounting means, the introduction of method of its standard knot also are not quite similar.
Generally, small-sized tower machine is because unattached height and lifting performance are little, the sectional dimension of standard knot and weight are also less relatively, and therefore, the introduction of method of standard knot often adopts cantilever beam to add the introduction of method of suspension hook, its advantage is to make simply, easy to operate, its shortcoming one is after standard knot is suspended on the hanging beam, because its locate mode has only limited the degree of freedom of a direction, so standard knot has the movement tendency of beat and rotation, need control its position and direction artificially; The 2nd, its road wheel is a single row type, and stressed fulcrum needs during introduction balancedly to apply external force simultaneously in the both sides of the standard knot first half on the top of standard knot, just can guarantee its sense of motion accurately.Medium-and-large-sized tower machine is because unattached height and lifting performance are bigger, so the sectional dimension and the weight of its standard knot are also relatively large, therefore, the introduction of method of standard knot adopts the form of slide rail more, traditional slide rail introduction of method is to adopt four independently to introduce wheel apparatus, the master orientates a bearing pin as, the auxilliary stay bearing plate of orientating as, the advantage of this device is light, flexibly, shortcoming is the restriction that auxilliary location is subjected to horizontal web member relative position under the standard knot easily, if horizontal web member position error when making is bigger under the standard knot, so in the process of introducing standard knot, stay bearing plate will lose the effect of auxiliary positioning, introduce wheel will occur deflection and about turn phenomenon, its result not only causes introducing difficulty, has also increased potential safety hazard simultaneously.Therefore, how to solve the problem that small-sized tower machine and medium-and-large-sized tower machine standard knot are introduced difficulty, caused the great attention of many tower machines manufacturing enterprise and positive exploration.
The utility model content
The purpose of this utility model provides a kind of tower machine standard knot imported unit, solve existing tower machine standard knot and introduce the difficult technologies problem.
For achieving the above object, the utility model adopts following technical scheme: a kind of tower machine standard knot imported unit, comprise bracing frame that the support and connection standard knot is used and introduce wheel with the bracing frame bonded assembly, it is characterized in that: support frame as described above is made up of two blocks of parallel hook-type plates and the horizontal pipe link that is connected between two blocks of hook-type plates, the locating plate of two levels about the upper end of bracing frame is symmetrically welded and connected, all have on the every locating plate and be inserted with a locating dowel pin in a pin-and-hole and the pin-and-hole, be welded to connect one on the upper surface of every locating plate and introduced wheel shaft, described introduction wheel is positioned at the outside of locating plate and is rotatably connected on to be introduced on the wheel shaft, and the crotch of described hook-type plate bends towards the inboard of locating plate.
The upper end end face of described hook-type plate can be concordant with the upper surface of pipe link, and described locating plate is welded to connect on the upper surface of the upper end of hook-type plate end face and pipe link.
Can be thread connection or welding between described pipe link and the hook-type plate.
Described locating dowel pin can be divided into two of main locating dowel pin and auxilliary locating dowel pins, and wherein the diameter of main locating dowel pin is less than the aperture in the lower joint sleeve hole on the standard knot, and the diameter of auxilliary locating dowel pin is less than the diameter of main locating dowel pin.
Described auxilliary locating dowel pin can be straight pin or rhombus chamfered edge pin.
Compared with prior art the utlity model has following characteristics and beneficial effect: the utility model has avoided conventional hanging beam formula to introduce the problem that beat, rotation and collision take place in the tower machine standard knot process, actv. solved traditional wheel track mode in introducing the standard knot process, introduce wheel take place easily deflection and about turn, cause a standard knot derailing difficult problem of falling easily, guaranteed tower machine standard knot when introducing more steadily, safety, convenience and fast.
The utility model is by Force Calculation and many-sided comparative analysis of science, broken the locate mode of traditional standard joint imported unit, for the tower machine provides a kind of suitable, safe and reliable standard knot imported unit in the lifting tower operation process, be that a kind of suitable, safe and reliable standard knot is introduced operating technique, be mainly used in the introduction of standard knot in the medium-and-large-sized tower machine lifting tower process or draw construction operation, adopt the elevator machinery of standard knot introduction of method also to have reference other.
The utility model is compared with traditional operating technique, its common ground is all to adopt the wheel track form to introduce tower machine standard knot, difference is that traditional tower machine standard knot imported unit is to adopt the independently introduction wheel apparatus of the single finger setting of one side of quadruplet, introduce wheel derailing easily, there is the potential safety hazard of falling in standard knot, and the utility model has been optimized one finger setting of conventional tower machine standard knot imported unit one side, quadruplet is introduced the version of wheel independent support, adopt two covers, one bar to connect, the form of plane and two pits location, to introduce the last plane of two lower joint sleeves on the equidirectional of standard knot symmetry two sides and connecting bore as locating benchmark, the novel tower machine standard knot imported unit of a cover is respectively installed in two sides, be connected in aggregates with novel tower machine standard knot imported unit standard knot and fully constrain in and introduce on the track, safety is higher, more convenient operation.
The utility model is a kind of integral type imported unit, compares with existing device, also has the following advantages: 1, novel and reasonable structure, optimized the mounting means and the task program of traditional imported unit, and make simple, with low cost.2, accurate positioning is reasonable, and is easy to operate, and convenient power-saving is safe and reliable.3, main locating dowel pin and auxilliary locating dowel pin are individual member, and convenient inserting got, and is not subjected to the restriction of other framing member.4, the novel tower machine standard knot imported unit of same standard knot model has good interchangeability.
Description of drawings
The utility model is described in more detail below in conjunction with accompanying drawing.
Fig. 1 is a plan structure scheme drawing of the present utility model.
Fig. 2 is the scheme drawing of A-A section among Fig. 1.
Fig. 3 is the scheme drawing that the utility model cooperates with standard knot.
Fig. 4 is the elevational schematic view of Fig. 3.
To be standard knot be placed on scheme drawing on the slide rail by the utility model to Fig. 5.
Reference numeral: 1-master's locating dowel pin, 2-locating plate, 3-hook-type plate, 4-introduce wheel shaft, 5-pipe link, 6-introduction wheel, the auxilliary locating dowel pin of 7-, 8-standard knot, 9-slide rail.
The specific embodiment
Embodiment is referring to shown in Fig. 1-4, this tower machine standard knot imported unit, comprise bracing frame that the support and connection standard knot is used and introduce wheel 6 with the bracing frame bonded assembly, support frame as described above is made up of two blocks of parallel hook-type plates 3 and the horizontal pipe link 5 that is connected between two blocks of hook-type plates, be thread connection or welding between pipe link 5 and the hook-type plate 3, the locating plate 2 of two levels about the upper end of bracing frame is symmetrically welded and connected, in the present embodiment, the upper end end face of hook-type plate 3 is concordant with the upper surface of pipe link 5, and described locating plate 2 is welded to connect on the upper surface of the upper end of hook-type plate end face and pipe link.All have on the every locating plate and be inserted with a locating dowel pin in a pin-and-hole and the pin-and-hole, be welded to connect one on the upper surface of every locating plate and introduced wheel shaft 4, described introduction wheel 6 is positioned at the outside of locating plate 2 and is rotatably connected on to be introduced on the wheel shaft 4, and the crotch of described hook-type plate 3 bends towards the inboard of locating plate.
Described locating dowel pin is divided into 7 two of main locating dowel pin 1 and auxilliary locating dowel pins, and the diameter of main locating dowel pin 1 can be designed to than about the little about 0.5mm in standard knot lower joint sleeve aperture, and is lighter when it is taken out, to improve installation effectiveness.Auxilliary locating dowel pin 7 is designed to the straight pin of diameter less than main alignment pin after calculating installation compensate for clearance value by maximum material principle, also can be designed to rhombus chamfered edge pin.The big I of introducing wheel 6 designs according to the weight of standard knot and the bearing of selecting for use.The profile of locating plate 2 can reach the shape facility of going up the plane and design according to the outside dimension of standard knot lower joint sleeve.The size of hook-type plate 3 can be according to the position dimension design of horizontal web member under the standard knot.The lower edge of horizontal web member and outer ledge will be reserved suitable gap according to its actual position dimension under the last plane of hook-type plate and side plane and the standard knot when design, in order to avoid interfere.The length dimension of pipe link can be determined according to the actual distance of standard knot both sides lower joint sleeve and the position dimension of hook-type plate.
Installation steps of the present utility model: 1, two cover the utility model are positioned on the lower joint sleeve of the standard knot both sides for the treatment of jacking, as Fig. 3.2, main locating dowel pin and auxilliary locating dowel pin are inserted respectively in the hole of lower joint sleeve of locating plate and standard knot both sides, as Fig. 4.3, standard knot and guide frame assembly integral are hung on the slide rail of climbing frame, as Fig. 5.4, standard knot is pushed in the climbing frame along slide rail, realize introducing standard knot and dock and installation with the accurate of body of the tower and undersetting.
Using method of the present utility model: earlier two cover the utility model are positioned on the lower joint sleeve of both sides of the standard knot for the treatment of jacking (note: the hook-type plate will be positioned at the below of horizontal web member under the standard knot), again main locating dowel pin and auxilliary locating dowel pin are inserted respectively in the lower joint sleeve of the pin-and-hole of the utility model two ends locating plate and standard knot, itself and standard knot are combined as a whole, with the tower crane lifting suspension hook its integral body is lifted on the slide rail on the climbing frame reposefully again.When the suspension hook that hoists slowly falls, introduce wheel for four and just begin to become stressed fulcrum, standard knot still has the trend of moving downward because of deadweight, because fulcrum is eccentric and the effect of moment, the gravity of standard knot has been delivered on the slide rail by two the utility model, with manpower standard knot is pushed in the climbing frame along slide rail more at last, thereby realize introducing the accurate in place of standard knot and installation.
Design plan of the present utility model: 1, fundamental principle: safe and reliable, easy to operate, make simple, economical and practical.2, follow standard: the requirement by GB5144-2006 " tower crane safety procedure ", GB/T5031-2008 " tower crane ", GB/T13752-92 " design of tower crane standard " designs and calculates.3, mentality of designing: guaranteeing under in-use performance, the safe and reliable principle introduction structural design scheme that Gonna breakthrough is traditional.At first consider, pay attention to the unitarity and the shared property of the standardized component of guide frame device machinework parts and assembling from aspects such as cost of manufacture, production technology, standardized administrations; Secondly consider from the reasonableness of location benchmark, because the standard knot of same model tower machine structurally has the standard of theory significance and the interchangeability of practical significance.Therefore, according to these characteristics of standard knot, the location benchmark of guide frame device should be determined on the invariable framing member of standard knot, promptly on the main chord or adapter sleeve of standard knot, just can guarantee the accuracy and the reasonableness of guide frame device location; The 3rd, from consideration easy and simple to handle, also to guarantee safety, alerting ability and the good interchangeability of guide frame device in actual application.
Principle of work of the present utility model: on two lower joint sleeves on the equidirectional of tower machine standard knot symmetry two sides in plane and the connecting bore, the connection of two covers, one bar, plane and two pits Positioning Principle design-calculated the utility model are installed in respectively on the standard knot lower joint sleeve, the integral body that standard knot and the utility model are connected into is with the lifting of tower machine master suspension hook and retrain fully and be positioned at and introduce on the track, it only can be slided by direction along ng a path, realize the purpose that standard knot is introduced and drawn.
Designing program of described tower machine standard knot imported unit: 1, at first introduce wheel according to the weight of standard knot and the bearing size design of selecting for use.2, the outside dimension according to the standard knot lower joint sleeve reaches the shape facility of going up the plane, the relative dimensions of Design Orientation plate.3, determine to introduce the wheel rim and the total backlash of slide rail of wheel according to the position of the sectional dimension of standard knot and adapter sleeve, about about 4～5mm, purpose is to solve the shrinkage distortion after the climbing frame framing member welds and the flexural deformation of slide rail.4, in conjunction with the design gaps of locating plate and introduction wheel rim and locating plate and the relative dimensions design introduction wheel shaft of introducing the selected bearing of wheel.5, in conjunction with position dimension and the Effective width of introduction wheel and the gap of wheel rim and slide rail of knock hole on the locating plate, determine the parallel distance between the slide rail.6, diameter and the length of determining its main locating dowel pin according to the aperture size and the length of standard knot adapter sleeve, be the convenient intensity of installing and guaranteeing bearing pin, the diameter of main alignment pin can be designed to than about the little about 0.5mm in adapter sleeve aperture, and is lighter when it is taken out, to improve installation effectiveness.7,, design the relative dimensions of its auxilliary locating dowel pin according to the position dimension and the effective length in the hole of standard knot left and right sides lower joint sleeve.Auxilliary locating dowel pin is designed to the garden pin of diameter less than main alignment pin after calculating installation compensate for clearance value by maximum material principle, also can be designed to rhombus chamfered edge pin.8,, design the size of hook-type plate according to the position dimension of horizontal web member under the standard knot.Generally, the position of horizontal web member accuracy when making is all not high under the standard knot that each enterprise produces, so the lower edge of horizontal web member and outer ledge will be reserved suitable gap according to its actual position dimension under the last plane of hook-type plate and side plane and the standard knot when design, in order to avoid interfere.9, according to the position of the actual distance and the hook-type plate of standard knot both sides lower joint sleeve, the design pipe link.10, in the design process, the total weight of the every cover of two cover imported unit parts should be controlled in 8～10kg scope, with convenient construction personnel's installation and operation.
The production process of described tower machine standard knot imported unit: 1, by the design paper dimensioned with make each part.2, according to the stand under load characteristics of locating plate, the flexural deformation of locating plate when reducing stand under load, introducing wheel shaft needs consistency from top to bottom to arrange when making with the hook-type plate, makes it stressed reasonable.3, on special frock, with locating plate, introduce wheel shaft, hook-type plate, and pipe link be welded as a whole by drawing, form and introduce support.4, on the introduction wheel shaft of introducing support, assemble the introduction wheel assembly, form the guide frame assembly.5, at the upper surface of main locating dowel pin and auxilliary locating dowel pin welding handle, to be easy for installation and removal.
Claims (5)
1. tower machine standard knot imported unit, comprise bracing frame that the support and connection standard knot is used and introduce wheel (6) with the bracing frame bonded assembly, it is characterized in that: support frame as described above is made up of two blocks of parallel hook-type plates (3) and the horizontal pipe link (5) that is connected between two blocks of hook-type plates, the locating plate of two levels (2) about the upper end of bracing frame is symmetrically welded and connected, all have on the every locating plate and be inserted with a locating dowel pin in a pin-and-hole and the pin-and-hole, be welded to connect one on the upper surface of every locating plate and introduced wheel shaft (4), described introduction wheel (6) is positioned at the outside of locating plate (2) and is rotatably connected on to be introduced on the wheel shaft (4), and the crotch of described hook-type plate (3) bends towards the inboard of locating plate.
2. tower machine standard knot imported unit according to claim 1, it is characterized in that: the upper end end face of described hook-type plate (3) is concordant with the upper surface of pipe link (5), and described locating plate (2) is welded to connect on the upper surface of the upper end of hook-type plate end face and pipe link.
3. tower machine standard knot imported unit according to claim 1 is characterized in that: be thread connection or welding between described pipe link (5) and the hook-type plate (3).
4. tower machine standard knot imported unit according to claim 1, it is characterized in that: described locating dowel pin is divided into (7) two of main locating dowel pin (1) and auxilliary locating dowel pins, the diameter of wherein main locating dowel pin (1) is less than the aperture in the lower joint sleeve hole on the standard knot, and the diameter of auxilliary locating dowel pin is less than the diameter of main locating dowel pin.
5. tower machine standard knot imported unit according to claim 4 is characterized in that: described auxilliary locating dowel pin (7) is straight pin or rhombus chamfered edge pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020181231 CN201678383U (en) | 2010-05-06 | 2010-05-06 | Tower crane standard joint leading-in device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020181231 CN201678383U (en) | 2010-05-06 | 2010-05-06 | Tower crane standard joint leading-in device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201678383U true CN201678383U (en) | 2010-12-22 |
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ID=43343436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020181231 Expired - Fee Related CN201678383U (en) | 2010-05-06 | 2010-05-06 | Tower crane standard joint leading-in device |
Country Status (1)
| Country | Link |
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| CN (1) | CN201678383U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102328883A (en) * | 2011-07-27 | 2012-01-25 | 长沙中联重工科技发展股份有限公司 | Telescopic importing system and crane with same |
| CN103264965A (en) * | 2012-12-06 | 2013-08-28 | 浙江虎霸建设机械有限公司 | Novel tower crane standard knot introducing system |
| CN103342300A (en) * | 2013-07-19 | 2013-10-09 | 中联重科股份有限公司 | Tower crane, as well as lead-in system and standard knot lead-in method thereof |
| CN106629424A (en) * | 2016-11-21 | 2017-05-10 | 徐州建机工程机械有限公司 | Standard knot fast-assembly guide wheel device |
-
2010
- 2010-05-06 CN CN 201020181231 patent/CN201678383U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102328883A (en) * | 2011-07-27 | 2012-01-25 | 长沙中联重工科技发展股份有限公司 | Telescopic importing system and crane with same |
| CN103264965A (en) * | 2012-12-06 | 2013-08-28 | 浙江虎霸建设机械有限公司 | Novel tower crane standard knot introducing system |
| CN103342300A (en) * | 2013-07-19 | 2013-10-09 | 中联重科股份有限公司 | Tower crane, as well as lead-in system and standard knot lead-in method thereof |
| CN106629424A (en) * | 2016-11-21 | 2017-05-10 | 徐州建机工程机械有限公司 | Standard knot fast-assembly guide wheel device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101222 Termination date: 20130506 |