CN105016223A - Cross beam supporting system used for tower crane - Google Patents

Cross beam supporting system used for tower crane Download PDF

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Publication number
CN105016223A
CN105016223A CN201510467903.5A CN201510467903A CN105016223A CN 105016223 A CN105016223 A CN 105016223A CN 201510467903 A CN201510467903 A CN 201510467903A CN 105016223 A CN105016223 A CN 105016223A
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CN
China
Prior art keywords
tower crane
movable sleeve
fixedly connected
cross beam
crossbeam
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Granted
Application number
CN201510467903.5A
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Chinese (zh)
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CN105016223B (en
Inventor
周兆弟
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Zhejiang Zhaodi Technology Co ltd
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Individual
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Priority to CN201510467903.5A priority Critical patent/CN105016223B/en
Publication of CN105016223A publication Critical patent/CN105016223A/en
Priority to PCT/CN2016/000495 priority patent/WO2017020540A1/en
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Publication of CN105016223B publication Critical patent/CN105016223B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/18Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
    • B66C23/20Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes with supporting couples provided by walls of buildings or like structures
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62Constructional features or details
    • B66C23/72Counterweights or supports for balancing lifting couples
    • B66C23/78Supports, e.g. outriggers, for mobile cranes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/18Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
    • B66C23/26Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62Constructional features or details
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C2700/00Cranes
    • B66C2700/03Cranes with arms or jibs; Multiple cranes

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Transportation (AREA)
  • Civil Engineering (AREA)
  • Jib Cranes (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)

Abstract

The invention belongs to the technical field of buildings and relates to a cross beam supporting system used for a tower crane. The technical problems that in the prior art, the structure is unstable and the load capacity is small are solved. The cross beam supporting system used for the tower crane comprises a cross beam; the cross beam is horizontally arranged; one end of the cross beam is fixedly connected with the tower crane; the other end of the cross beam is connected with a sliding rail assembly; the sliding rail assembly comprises a sliding rail and a sliding block which is matched with the sliding rail and can walk along the sliding rail; the sliding rail is fixedly connected with a building; the sliding block is connected with the end of the cross beam. The cross beam supporting system used for the tower crane can be used for improving the load capacity and stability of the tower crane and make the tower crane to walk with loads.

Description

For the cross beam support system of tower crane
Technical field
The invention belongs to construction engineering technical field, relate to a kind of rail supported system for tower crane.
Background technology
Tower crane is that a kind of weight-lifting equipment the most frequently used on building ground has another name called " tower crane ", is called for short " standard knot " with a section spreading, is used for hanging the raw MAT'L of the constructions such as working reinforcing bar, wood are stupefied, cement concrete, steel pipe.Tower crane is a kind of requisite equipment on building site.
Tower crane can be divided into portable tower tower crane and fixed type tower crane.Portable tower tower crane can be divided into again rail mounted, rubber-tyred, truck mounted, crawler type four kinds according to the difference of running gear.Rail-mounted tower tower crane tower body is fixed on walking underframe, and can run on ad hoc track, good stability, work efficiency is high, is thus widely used in building installation engineering.Rubber-tyred, truck mounted and crawler-mounted tower tower crane rail-free device, conveniently moving, but can not on-load walking, less stable.
The tower tower crane of fixed type, according to the difference of installation position, is divided into again attachment jack up and inner climbing type two kinds, adheres to and can raise with building from the tower tower crane of liter and raise, be applicable to skyscraper, the horizontal load transmitted by tower crane is only born in building structure, convenient attachment, but it is many to take structural steel; Inner climbing crane tower is at interior of building elevator, stair case, and climb by a set of bracket and elevator system, jacking is more loaded down with trivial details, but it is few to take structural steel, and do not need installing basis, all deadweight and load are born by building.
No matter be movable tower crane or fixed type tower crane, or fixedly realizing load with ground bottom dependence tower crane bears, or be that building completes bearing load, therefore stability all has much room for improvement, and also because of so, constrains the raising of tower crane lifting capacity.
Summary of the invention
The object of the invention is for the problems referred to above, a kind of cross beam support system for tower crane that can improve tower crane working stability height and lifting capacity is provided.
For achieving the above object, present invention employs following technical proposal: a kind of cross beam support system for tower crane, comprise crossbeam, described crossbeam is horizontally disposed with and one end is fixedly connected with tower crane, the other end is connected with slide track component, described slide track component comprises slide rail and matches with slide rail and the slide block can walked along slide rail, and described slide rail is fixedly connected with building, and described slide block is connected with the end of crossbeam.
Above-mentioned in the cross beam support system of tower crane, described crossbeam and slide block hinged, described slide rail is fixedly connected with the embedded board be fixed in building.
Above-mentioned in the cross beam support system of tower crane, described embedded board is fixed with the L-shaped reinforced plate of some cross-sectional planes, be also provided with one piece of connecting panel in the middle of described slide rail and embedded board, described connecting panel is fixedly connected with slide rail with embedded board respectively.
Above-mentioned in the cross beam support system of tower crane, described slide rail is H-shaped, comprise interconnective first panel, cross-tie plate and the second panel, first panel and the second panel are parallel to each other, cross-tie plate two ends are fixedly connected with the second panel with the first panel respectively, and the first panel is fixedly connected with embedded board.
Above-mentioned in the cross beam support system of tower crane, described slide rail is fixedly connected with by anchor angle screw with embedded board, and anchor angle screw is through building and be fixedly connected with building.
Above-mentioned in the cross beam support system of tower crane, described slide block is provided with a slide block brake cylinder, the end of slide block brake cylinder connect brake plate and brake plate between slide rail and slide block.
Above-mentioned in the cross beam support system of tower crane, described crossbeam is provided with the axial distance adjusting mechanism that can adjust crossbeam length, described crossbeam comprises forearm and postbrachium, forearm with postbrachium is arranged with sleeve pipe and sleeve pipe is fixedly connected with postbrachium detouchable with forearm respectively.
Above-mentioned in the cross beam support system of tower crane, described axial distance adjusting mechanism comprises movable sleeve, described movable sleeve is connected with strut bar and strut bar is fixedly connected with tower crane away from one end of movable sleeve or is connected with slide block, described movable sleeve one end and crossbeam are fixedly connected to form positioning end, the other end is flexibly connected with strut bar, or described movable sleeve one end and strut bar are fixedly connected to form positioning end, the other end is flexibly connected with crossbeam.
Above-mentioned in the cross beam support system of tower crane, on positioning end, be fixed with stretch oil cylinder in described movable sleeve.
Above-mentioned in the cross beam support system of tower crane, the end winding support of described strut bar has tooth bar, the gear be rotationally connected with movable sleeve is provided with in movable sleeve, tooth bar is inserted in movable sleeve and gears meshing, movable sleeve is also fixed with gear brake, and the mouth of described gear brake can withstand gear thus stop pinion rotation; Or the end winding support of described crossbeam has tooth bar, the gear be rotationally connected with movable sleeve is provided with in movable sleeve, tooth bar is inserted in movable sleeve and gears meshing, and movable sleeve is also fixed with gear brake, and the mouth of described gear brake can withstand gear thus stop pinion rotation.
Compared with prior art, the invention has the advantages that: the firm support that can realize tower crane and building, the working stability of tower crane and lifting capacity, and tower crane on-load can be allowed to walk.
Accompanying drawing explanation
Fig. 1 is fundamental diagram provided by the invention;
Fig. 2 is the fundamental diagram inventing another direction provided;
Fig. 3 is the structural representation that slide track component is connected with building;
Fig. 4 is the inner structure schematic diagram of slide track component;
Fig. 5 is structural representation of the present invention;
Fig. 6 is the structural representation of slide track component;
Fig. 7 is the another kind of structural representation of slide track component;
Fig. 8 is the another kind of structural representation that slide track component is connected with building;
Fig. 9 is the inner structure schematic diagram of the slide track component shown in Fig. 8;
Figure 10 is another kind of structural representation of the present invention;
Figure 11 is the structural representation of the axial distance adjusting mechanism shown in Figure 10;
Figure 12 is the structural representation in another direction of Figure 11;
Figure 13 is another kind of structural representation of the present invention;
Figure 14 is another kind of structural representation of the present invention;
Figure 15 is another kind of structural representation of the present invention;
Figure 16 is another kind of structural representation of the present invention.
In figure: crossbeam 1, slide track component 2, slide rail 3, slope 3a, slide block 4, slide block roller 4a, embedded board 5, reinforced plate 6, connecting panel 7, first panel 8, cross-tie plate 9, second panel 10, anchor angle screw 11, slide block brake cylinder 12, brake plate 13, axial distance adjusting mechanism 14, forearm 15, postbrachium 16, sleeve pipe 17, movable sleeve 18, strut bar 19, positioning end 20, stretch oil cylinder 21, tooth bar 22, gear 23, gear brake 24, tower crane 100, tower body 101, building 102, traveling gear 103.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention will be further described in detail.
Embodiment 1
As depicted in figs. 1 and 2, a kind of cross beam support system for tower crane, comprise crossbeam 1, described crossbeam 1 is horizontally disposed with and one end is fixedly connected with the tower body 101 of tower crane 100, and tower body 101 is vertically arranged, and crossbeam 1 other end is connected with slide track component 2, described slide track component 2 comprises slide rail 3 and matches with slide rail 3 and the slide block 4 can walked along slide rail 3, c-shaped or the H-shaped of the cross-sectional plane of slide rail 3, described slide rail 3 is fixedly connected with building 102, and described slide block 4 is connected with the end of crossbeam 1.
Principle of work of the present invention is: crossbeam 1 is connected with slide track component 2, slide track component 2 is fixed on building 102, tower crane 100 is supported by crossbeam 1, and crossbeam 1 is supported by slide track component 2 and building 102, thus improve tower crane 100 lift time stability and lifting capacity.The end of crossbeam 1 realizes sliding block joint by slide track component 2, in the prior art, the bottom of packaged type loop wheel machine 100 is provided with traveling gear 103, traveling gear 103 can be wheel, crawler belt or guide rail etc., and in the present embodiment, traveling gear is preferably guide rail, this guide rail and slide track component 2 be arranged in parallel, because crossbeam 1 is played a supporting role, therefore tower crane 100 can on-load walking, and tower crane 100 is supported at axially stressed of crossbeam 1 in the process of walking.
In the present embodiment, building 102 is that house, wall, bridge or panel etc. are vertically arranged and has the building element of certain altitude.
Preferred version, because building 102 can produce natural subsidence, therefore the position being fixed on slide track component 2 in the vertical direction on building 102 can change, crossbeam 1 must be caused to twist with the junction of slide track component 2, as sedimentation is serious, can cause the end of crossbeam 1 and slide track component 2 stuck, can not move, therefore, the present embodiment have employed crossbeam 1 mode hinged with slide block 4, for offsetting the distance that slide block 4 sinks, thus make slide rail 3 be in slide block 4 state be flexibly connected all the time, and slide rail 3 is fixedly connected with the embedded board 5 be fixed in building, embedded board 5 is fixed in building 102, stability is high, stretching resistance is strong, slide rail 3 is fixedly connected with embedded board 5 thus slide rail 3 also can be firmly fixed on building 102, further increase the fixed effect of slide rail 3 and building 102.
Specifically, shown in composition graphs 3 and Fig. 5, embedded board 5 is fixed with the L-shaped reinforced plate of some cross-sectional planes 6, be also provided with one piece of connecting panel 7 in the middle of described slide rail 3 and embedded board 5, described connecting panel 7 is fixedly connected with slide rail 3 with embedded board 5 respectively.Slide rail 3 is fixedly connected with by anchor angle screw 11 with embedded board 5, and anchor angle screw 11 passes building and is fixedly connected with building, and the effect of anchor angle screw 11 makes guide rail 2 firmly be fixed on building 102 further.
In order to make the slide rail 3 in slide track component 2 and slide block 4 can realize moving smoothly, as shown in Figure 4, slide block 4 is provided with slide block roller 4a, and slide block roller 4a is connected with the roll inside of slide rail 3.
When tower crane 100 is in the operating condition fixed position, in order to realize the location between crossbeam 1 and slide track component 2, as shown in Figure 6, slide block 4 is provided with a slide block brake cylinder 12, the end of slide block brake cylinder 12 connect brake plate 13 and brake plate 13 between slide rail 3 and slide block 4.When slide block brake cylinder 12 works, brake plate 13 holds out against slide rail 3, thus realizes being fixedly connected with between slide rail 3 with slide block 4.
Embodiment 2
The present embodiment is substantially identical with principle of work with the structure of embodiment 1, difference is, as shown in Figure 7, slide rail 3 is in H-shaped, comprise interconnective first panel 8, cross-tie plate 9 and the second panel 10, first panel 8 and the second panel 10 are parallel to each other, cross-tie plate 9 two ends are fixedly connected with the second panel 10 with the first panel 8 respectively, first panel 8 is fixedly connected with embedded board 5, second panel 10 is fixed with slide block brake cylinder 12, slide block brake cylinder 12 connect brake plate 13 and brake plate 13 between the second panel 10 and slide block 4.
Present embodiments provide a kind of demountable structure of slide track component 2, installation during constructability and transport etc.
As shown in Figure 8 and Figure 9, slide block 4 is provided with some slide block roller 4a, and slide block roller 4a is between the first panel 8 and the second panel 10.
Embodiment 3
The present embodiment is substantially identical with principle of work with the structure of embodiment 1, difference is, as shown in Fig. 5, Figure 13 and Figure 14, crossbeam 1 is provided with the axial distance adjusting mechanism 14 that can adjust crossbeam 1 length, described crossbeam 1 comprises forearm 15 and postbrachium 16, forearm 15 with postbrachium 16 is arranged with sleeve pipe 17 and sleeve pipe 17 is fixedly connected with postbrachium 16 detouchable with forearm 15 respectively.
Tower crane 100 when walking, and the distance between slide track component 2 can change, and the length of crossbeam 1 is fixing, therefore, if the length of crossbeam 1 is unadjustable, then will produce fixing phenomenon between tower crane 100 and slide track component 2, tower crane 100 is caused normally not walk, therefore, the present embodiment devises the axial distance adjusting mechanism 14 that can adjust the distance between tower crane 100 and slide track component 2 automatically, axial distance adjusting mechanism 14 comprises movable sleeve 18, described movable sleeve 18 is connected with strut bar 19 and strut bar 19 is fixedly connected with tower crane away from one end of movable sleeve 18 or is connected with slide block 4, described movable sleeve 18 one end and crossbeam 1 are fixedly connected to form positioning end 20, the other end is flexibly connected with strut bar 19, or described movable sleeve 18 one end and strut bar 19 are fixedly connected to form positioning end 20, the other end is flexibly connected with crossbeam 1.Stretch oil cylinder 21 is fixed with in movable sleeve 18 on positioning end 20.
As shown in Figure 5, when stretch oil cylinder 21 works, strut bar 19 and crossbeam 1 hold out against, achieve a fixed connection, when stretch oil cylinder 21 does not work, between strut bar 19 and crossbeam 1, there is space, strut bar 19 can move forward and backward along movable sleeve 18 thus adjust the distance between tower crane 100 and slide track component 2, also namely adjust the axial distance of crossbeam 1, play the effect automatically eliminating axial deviation, prevent tower crane 100 to be stuck when walking.As shown in figure 13, crossbeam 1 can move forward and backward along movable sleeve 18.As shown in figure 14, the forearm 15 of crossbeam 1 is fixedly connected with movable sleeve 18, and strut bar 19 one end can move forward and backward along movable sleeve 18, the other end and slide block 4 hinged.
Embodiment 4
The present embodiment is substantially identical with principle of work with the structure of embodiment 3, difference is, as shown in Figure 10, Figure 11, Figure 12, Figure 15 and Figure 16, the end winding support of strut bar 19 has tooth bar 22, the gear 23 be rotationally connected with movable sleeve 18 is provided with in movable sleeve 18, tooth bar 22 is inserted in movable sleeve 18 and engages with gear 23, movable sleeve 18 is also fixed with gear brake 24, gear brake 24 is cylinder or oil cylinder, and the mouth of described gear brake 24 can withstand gear 23 thus stop gear 23 to rotate; Or the end winding support of described crossbeam 1 has tooth bar 22, the gear 23 be rotationally connected with movable sleeve 18 is provided with in movable sleeve 18, tooth bar 22 is inserted in movable sleeve 18 and engages with gear 23, movable sleeve 18 is also fixed with gear brake 24, and the mouth of described gear brake 24 can withstand gear 23 thus stop gear 23 to rotate.
Specifically, as Figure 10, shown in Figure 11 and Figure 12, crossbeam 1 is fixedly connected with movable sleeve 18, strut bar 19 end winding support has tooth bar 22, tooth bar 22 is inserted in movable sleeve 18 and engages with the gear 23 in movable sleeve 18, when gear brake 24 does not work, mouth and the gear 23 of gear brake 24 depart from, gear 23 is in active state, tooth bar 22 can rotate thus strut bar 19 can be made movable in movable sleeve 18 by driven gear 23, thus change the axial length of crossbeam 1, and when the mouth of gear brake 24 withstands gear 23, then gear 23 can not rotate, tooth bar 22 can not be movable, the length realizing crossbeam 1 is fixed.
As shown in figure 15, strut bar 19 one end is fixedly connected with tower crane 100, and strut bar 19 other end is fixedly connected with movable sleeve 18, and tooth bar 22 is fixed on the postbrachium 16 of crossbeam 1, and postbrachium 16 can move forward and backward in movable sleeve 18.
As shown in figure 16, the forearm 15 of crossbeam 1 is fixedly connected with movable sleeve 18, strut bar 19 is fixed with tooth bar 22, and tooth bar 22 is inserted in movable sleeve 18, and strut bar 19 is hinged with slide block 4.
Embodiment 5
The present embodiment is substantially identical with principle of work with the structure of embodiment 1, difference is, as shown in Figure 6, slide rail 3 inwall and be provided with slope 3a near the side of slide block 4, sliding block joint is smoothly realized by slope between slide block 4 and slide rail 3, when crossbeam 1 moves, the smooth degree of crossbeam 1 movement can be improved.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Although more employ crossbeam 1 herein, slide track component 2, slide rail 3, slope 3a, slide block 4, slide block roller 4a, embedded board 5, reinforced plate 6, connecting panel 7, first panel 8, cross-tie plate 9, second panel 10, anchor angle screw 11, slide block brake cylinder 12, brake plate 13, axial distance adjusting mechanism 14, forearm 15, postbrachium 16, sleeve pipe 17, movable sleeve 18, strut bar 19, positioning end 20, stretch oil cylinder 21, tooth bar 22, gear 23, gear brake 24, tower crane 100, tower body 101, building 102.Deng term, but do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present invention more easily; The restriction that they are construed to any one additional is all contrary with spirit of the present invention.

Claims (10)

1. the cross beam support system for tower crane, comprise crossbeam (1), it is characterized in that, described crossbeam (1) is horizontally disposed with and one end is fixedly connected with tower crane, the other end is connected with slide track component (2), described slide track component (2) comprises slide rail (3) and matches with slide rail (3) and the slide block (4) can walked along slide rail (3), described slide rail (3) is fixedly connected with building, and described slide block (4) is connected with the end of crossbeam (1).
2. the cross beam support system for tower crane according to claim 1, it is characterized in that, described crossbeam (1) is hinged with slide block (4), and described slide rail (3) is fixedly connected with the embedded board be fixed in building (5).
3. the cross beam support system for tower crane according to claim 2, it is characterized in that, described embedded board (5) is fixed with the L-shaped reinforced plate of some cross-sectional planes (6), also be provided with one piece of connecting panel (7) in the middle of described slide rail (3) and embedded board (5), described connecting panel (7) is fixedly connected with slide rail (3) with embedded board (5) respectively.
4. the cross beam support system for tower crane according to claim 2, it is characterized in that, described slide rail (3) is in H-shaped, comprise interconnective first panel (8), cross-tie plate (9) and the second panel (10), first panel (8) and the second panel (10) are parallel to each other, cross-tie plate (9) two ends are fixedly connected with the second panel (10) with the first panel (8) respectively, and the first panel (8) is fixedly connected with embedded board (5).
5. the cross beam support system for tower crane according to claim 2, it is characterized in that, described slide rail (3) is fixedly connected with by anchor angle screw (11) with embedded board (5), and anchor angle screw (11) is through building and be fixedly connected with building.
6. the cross beam support system for tower crane according to claim 1, it is characterized in that, described slide block (4) is provided with a slide block brake cylinder (12), and the end of slide block brake cylinder (12) connects brake plate (13) and brake plate (13) is positioned between slide rail (3) and slide block (4).
7. the cross beam support system for tower crane according to claim 1, it is characterized in that, described crossbeam (1) is provided with the axial distance adjusting mechanism (14) that can adjust crossbeam (1) length, described crossbeam (1) comprises forearm (15) and postbrachium (16), forearm (15) with postbrachium (16) is arranged with sleeve pipe (17) and sleeve pipe (17) is fixedly connected with postbrachium (16) detouchable with forearm (15) respectively.
8. the cross beam support system for tower crane according to claim 7, it is characterized in that, described axial distance adjusting mechanism (14) comprises movable sleeve (18), described movable sleeve (18) is connected with strut bar (19) and strut bar (19) is fixedly connected with tower crane away from one end of movable sleeve (18) or is connected with slide block (4), described movable sleeve (18) one end and crossbeam (1) are fixedly connected to form positioning end (20), the other end is flexibly connected with strut bar (19), or described movable sleeve (18) one end and strut bar (19) are fixedly connected to form positioning end (20), the other end is flexibly connected with crossbeam (1).
9. the cross beam support system for tower crane according to claim 8, is characterized in that, is fixed with stretch oil cylinder (21) in described movable sleeve (18) on positioning end (20).
10. the cross beam support system for tower crane according to claim 8, it is characterized in that, the end winding support of described strut bar (19) has tooth bar (22), the gear (23) be rotationally connected with movable sleeve (18) is provided with in movable sleeve (18), tooth bar (22) is inserted in movable sleeve (18) and engages with gear (23), movable sleeve (18) is also fixed with gear brake (24), and the mouth of described gear brake (24) can withstand gear (23) thus stop gear (23) to rotate; Or the end winding support of described crossbeam (1) has tooth bar (22), the gear (23) be rotationally connected with movable sleeve (18) is provided with in movable sleeve (18), tooth bar (22) is inserted in movable sleeve (18) and engages with gear (23), movable sleeve (18) is also fixed with gear brake (24), and the mouth of described gear brake (24) can withstand gear (23) thus stop gear (23) to rotate.
CN201510467903.5A 2015-08-02 2015-08-02 Cross beam supporting system used for tower crane Active CN105016223B (en)

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CN201510467903.5A CN105016223B (en) 2015-08-02 2015-08-02 Cross beam supporting system used for tower crane
PCT/CN2016/000495 WO2017020540A1 (en) 2015-08-02 2016-08-29 Support rod system used for tower crane support

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