CN102583170A - Self-elevating tower crane and elevating mechanism thereof - Google Patents
Self-elevating tower crane and elevating mechanism thereof Download PDFInfo
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- CN102583170A CN102583170A CN2012100688188A CN201210068818A CN102583170A CN 102583170 A CN102583170 A CN 102583170A CN 2012100688188 A CN2012100688188 A CN 2012100688188A CN 201210068818 A CN201210068818 A CN 201210068818A CN 102583170 A CN102583170 A CN 102583170A
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- tower crane
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- bearing pin
- lifting body
- standard knot
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Abstract
The invention relates to the technical field of tower cranes, and discloses an elevating mechanism for a tower crane. The elevating mechanism comprises an elevating cross beam, pin shafts and a standard joint step connected on a standard joint tower body; a first connector and a second connector, which extend in the vertical direction, are arranged on the side surface of the elevating mechanism side by side; a preset distance is formed between the first connector and the second connector; the pin shafts are sequentially inserted in pin holes formed on the first connector and the second connector and aligned with each other respectively, and extend in the horizontal direction; a clamping piece is arranged in the circumstance direction of the inner side end of each pin shaft, and positioned between the first connector and the second connector; and the outer side end of the pin shaft is in plug-in connection with the standard joint step. The invention further discloses a tower crane provided the elevating mechanism for the tower crane.
Description
Technical field
The present invention relates to the elevator machinery technical field, the tower crane that relates in particular to a kind of locking pin is used lifting body.The invention still further relates to a kind of self-raising tower crane with above-mentioned lifting body.
Background technology
Tower crane is that a kind of fuselage is the full circle swinging swing arm gantry crane of tower-type structure, and it has advantages such as scope of work is big, is widely used in various construction sites.Tower crane generally includes fixed base tower crane and self-raising tower crane, and wherein, self-raising tower crane relies on the tower crane of himself to realize the increase and decrease of standard knot with lifting body.
Tower crane generally includes the jacking crossbeam with lifting body and standard knot is marked time; Standard knot is marked time and is fixed on usually on the standard knot body of the tower, and the jacking crossbeam goes up and down under the effect of oil cylinder, for self-raising tower crane; The jacking operation is a breakneck process; The switching performance that jacking crossbeam and standard knot are marked time in the jacking process is particularly important, if the jacking crossbeam is deviate from from mark time when jacking, will cause great safety misadventure.
Please referring to Fig. 1, Fig. 1 be in the prior art a kind of tower crane with the structural representation of lifting body.
As shown in Figure 1; This tower crane comprises that with lifting body jacking crossbeam 3 ', standard knot mark time 2 '; Standard knot is marked time and 2 ' is fixed on usually on the standard knot body of the tower, and jacking crossbeam 3 ' and standard knot are marked time and be respectively equipped with pin-and-hole on 2 ', and mark time pin-and-hole on 2 ' of standard knot is located at mark time 2 ' the outside of standard knot; Bearing pin 1 ' inserts jacking crossbeam 3 ' and standard knot and marks time in 2 ' the pin-and-hole, realizes that jacking crossbeam 3 ' and standard knot mark time 2 ' be connected.
The tower crane of this structure is used lifting body, and bearing pin 1 ' directly inserts jacking crossbeam 3 ' and standard knot and marks time behind 2 ' the pin-and-hole, bearing pin 1 ' no anchor fitting; In the jacking process; Bearing pin 1 ' comes off easily, and then causes jacking crossbeam 3 ' to deviate from standard knot marking time 2 ', cause the accident; In addition, need offer pin-and-hole on the jacking crossbeam 3 ', cooperate with bearing pin 1 ', go up pin hole processing at jacking crossbeam 3 ', difficulty of processing is big, complex process.
Therefore, in the jacking process, how to prevent that bearing pin from coming off, guaranteeing that the jacking crossbeam can not deviate from standard knot and mark time, improve the safety performance of lifting body, become the technical barrier that those skilled in the art need to be resolved hurrily.
Summary of the invention
The purpose of this invention is to provide a kind of tower crane and use lifting body, this lifting body can prevent that bearing pin from coming off, and guarantees that the jacking crossbeam can not deviate from standard knot and mark time, and has higher safety performance.Another object of the present invention provides a kind of self-raising tower crane that comprises above-mentioned lifting body.
To achieve these goals; The invention provides a kind of tower crane and use lifting body; Comprise that jacking crossbeam, bearing pin and the standard knot that is connected on the standard knot body of the tower mark time; The side of said jacking crossbeam is provided with first attaching parts and second attaching parts that vertically extends side by side, has preset spacing between said first attaching parts and said second attaching parts; Said bearing pin inserts the pin-and-hole that alignment is provided with and along continuous straight runs extends respectively on said first attaching parts and said second attaching parts successively; The medial extremity of said bearing pin be circumferentially with card-bit part, and said card-bit part is between said first attaching parts and said second attaching parts; The external side end of said bearing pin is plugged in said standard knot and marks time.
Preferably, said first attaching parts is first baffle plate, and said second attaching parts is a second baffle.
Preferably, said first baffle plate and said second baffle are steel plate, and all are welded in said jacking crossbeam.
Preferably, said card-bit part is the 3rd baffle plate, and said the 3rd baffle plate is located at the side face of said bearing pin.
Preferably, said standard knot is marked time and is provided with the pin-and-hole that along continuous straight runs extends, and said bearing pin is plugged in this pin-and-hole.
Preferably, the bottom that said standard knot is marked time is provided with groove, and said bearing pin is plugged in said groove.
The present invention also provides a kind of self-raising tower crane, comprises body of the tower and the lifting body that is installed on body of the tower, and said lifting body is that aforesaid tower crane is used lifting body.
Tower crane provided by the invention is used lifting body; Comprise that jacking crossbeam, bearing pin and the standard knot that is connected on the standard knot body of the tower mark time; The side of said jacking crossbeam is provided with first attaching parts, second attaching parts that vertically extends side by side, has preset spacing between said first attaching parts, said second attaching parts; Said bearing pin inserts the pin-and-hole that alignment is provided with and along continuous straight runs extends respectively on said first attaching parts, said second attaching parts successively; The medial extremity of said bearing pin be circumferentially with card-bit part, and said card-bit part is between said first attaching parts, said second attaching parts; The external side end of said bearing pin and said standard knot are marked time to form and are pegged graft.
The tower crane of this structure is used lifting body, when jacking, bearing pin is outwards released and is inserted during standard knot marks time; Card-bit part on bearing pin is against first attaching parts, and first attaching parts can prevent the bearing pin play, realizes the location that is connected that jacking crossbeam and standard knot mark time; Simultaneously; Under the effect of bearing pin self gravitation, can realize being automatically locked of the bearing pin and first attaching parts, in the jacking process, can not occur marking time and causing accident because of the bearing pin standard knot of scurrying out.After jacking is accomplished, bearing pin is moved inward, bearing pin is broken away from during standard knot marks time, the jacking crossbeam can release from standard knot is marked time smoothly, to prepare next jacking operation.Because card-bit part is stuck between first attaching parts, second attaching parts, can prevent that bearing pin from coming off, and avoids the generation of safety misadventure.
Therefore, the tower crane of this structure is used lifting body, can prevent that bearing pin from coming off, guaranteeing that the jacking crossbeam can not deviate from standard knot and mark time; And this tower crane is few with the lifting body component parts, and is simple in structure, and the simple cost of processing technology is low, do not need pin hole processing on the jacking crossbeam; This tower crane does not have complicated transmission device with lifting body, and is easy and simple to handle, only need move the bearing pin sway and get final product.
The present invention also provides a kind of self-raising tower crane, and this self-raising tower crane comprises that above-mentioned tower crane uses lifting body.Because above-mentioned tower crane has above-mentioned technique effect with lifting body, have above-mentioned tower crane and should possess the corresponding techniques effect night with the self-raising tower crane of lifting body.
Description of drawings
Fig. 1 be in the prior art a kind of tower crane with the structural representation of lifting body;
The tower crane that Fig. 2 is provided for a kind of specific embodiment of the present invention is with the structural representation of lifting body;
The local structure for amplifying scheme drawing that Fig. 3 marks time and pegs graft with lifting body bearing pin and standard knot for tower crane among Fig. 2;
The local structure for amplifying scheme drawing that Fig. 4 marks time and breaks away from lifting body bearing pin and standard knot for tower crane among Fig. 2;
Wherein, among Fig. 1-Fig. 4:
Bearing pin 1 ', standard knot mark time 2 ', jacking crossbeam 3 ';
Jacking crossbeam 1, standard knot mark time 2, bearing pin 3, first attaching parts 4, second attaching parts 5, card-bit part 6.
The specific embodiment
In order to make those skilled in the art better understand technical scheme of the present invention, the present invention is done further detailed description below in conjunction with the accompanying drawing and the specific embodiment.
Please refer to Fig. 2 to Fig. 4, the tower crane that Fig. 2 is provided for a kind of specific embodiment of the present invention is with the structural representation of lifting body; The local structure for amplifying scheme drawing that Fig. 3 marks time and pegs graft with lifting body bearing pin and standard knot for tower crane among Fig. 2; The local structure for amplifying scheme drawing that Fig. 4 marks time and breaks away from lifting body bearing pin and standard knot for tower crane among Fig. 2.
Tower crane provided by the invention is used lifting body; Comprise that jacking crossbeam 1, bearing pin 3 and the standard knot that is connected on the standard knot body of the tower mark time 2; The side of said jacking crossbeam 1 is provided with vertically first attaching parts 4, second attaching parts 5 that extends side by side, has preset spacing between said first attaching parts 4, said second attaching parts 5; Be respectively arranged with the pin-and-hole that extends along along continuous straight runs on said first attaching parts 4, said second attaching parts 5; Said bearing pin 3 inserts the pin-and-hole on said first attaching parts 4, said second attaching parts 5 successively; The medial extremity of said bearing pin 3 is (among the application; Bearing pin 3 is an external side end near a mark time end of 2 of standard knot, and the other end is a medial extremity) be circumferentially with card-bit part 6, and said card-bit part 6 is between said first attaching parts 4, said second attaching parts 5; The external side end of said bearing pin 3 and said standard knot are marked time and 2 form to be pegged graft.
The external side end that it is pointed out that bearing pin described in the literary composition is meant that bearing pin 3 is an external side end near a mark time end of 2 of standard knot, and apparently, the other end of bearing pin is a medial extremity.
The tower crane of this structure is used lifting body, when jacking, bearing pin 3 is outwards released and is inserted in the standard knot; Card-bit part 6 on bearing pin 3 can prevent bearing pin 3 plaies against first attaching parts, 4, the first attaching partss 4, realizes mark time 2 the location that is connected of jacking crossbeam 1 and standard knot; Simultaneously; Under bearing pin 3 self gravitation effects, can realize being automatically locked of the bearing pin 3 and first attaching parts 4, in the jacking process, can not occur marking time and 2 causing accident because of bearing pin 3 standard knot of scurrying out.
After jacking is accomplished, bearing pin 3 is moved inward, make bearing pin 3 break away from standard knots and mark time in 2, jacking crossbeam 1 can be smoothly marked time from standard knot and is released 2, to prepare next jacking operation.Because card-bit part 6 is stuck between first attaching parts 4, second attaching parts 5, can prevent that bearing pin 3 from coming off, and avoids the generation of safety misadventure.
It is thus clear that the tower crane of this structure is used lifting body, can prevent that bearing pin 3 from coming off, guaranteeing that jacking crossbeam 1 can not deviate from standard knot and mark time 2; And this tower crane is few with the lifting body component parts, and is simple in structure, and the simple cost of processing technology is low, do not need pin hole processing on jacking crossbeam 1; This tower crane does not have complicated transmission device with lifting body, and is easy and simple to handle, only need move bearing pin 3 sway and get final product.
In the concrete scheme, said first attaching parts 4, said second attaching parts 5 can be respectively first baffle plate, second baffle, all have the pin-and-hole that through hole inserts as supply and marketing axle 3 on said first baffle plate, the second baffle.
In the scheme, said first baffle plate, said second baffle are steel plate more specifically, and all are welded on the said jacking crossbeam 1.This scheme connects bearing pin 3 through the steel plate that is welded on the jacking crossbeam 1, compared with prior art, does not need directly pin hole processing on jacking crossbeam 1, and processing technology is simple, but cost-cutting.
In the concrete scheme, said card-bit part 6 is the 3rd baffle plate, and said the 3rd baffle plate is located at the side face of said bearing pin 3, and in the scheme, the 3rd baffle plate can be steel plate more specifically.
In the preferred version, standard knot is marked time and 2 is provided with the pin-and-hole that along continuous straight runs extends, and bearing pin 3 forms connected structure with this pin-and-hole, when jacking, standard knot is outwards released and inserted to bearing pin 3 mark time in 2 in the pin-and-hole, and bearing pin 3 and standard knot are marked time and 2 formed connected structures.
In the foregoing description, first attaching parts 4, second attaching parts 5 are tabular, and the present invention is not limited thereto, first attaching parts 4,5 bar shapeds of second attaching parts or bulk, and all have the parts that pin-and-hole can connect bearing pin 3 and all can.
In the foregoing description, 6 the 3rd baffle plates of card-bit part, promptly card-bit part 6 is tabular; The present invention is not limited thereto; Card-bit part 6 also can be structures such as screens piece, in bearing pin 3 moving process, can all can be used as card-bit part 6 against the structure of first attaching parts 4, second attaching parts 5.
In the foregoing description, bearing pin 3 forms and pegs graft through mark time pin-and-hole on 2 of standard knot, and the present invention is not limited thereto, and mark time 2 bottom of said standard knot can be provided with groove, and bearing pin 3 forms with this groove and pegs graft.
The present invention also provides a kind of self-raising tower crane, and this self-raising tower crane comprises that above-mentioned tower crane uses lifting body.Because above-mentioned tower crane has above-mentioned technique effect with lifting body, have above-mentioned tower crane and should possess the corresponding techniques effect night with the self-raising tower crane of lifting body, no longer be described in detail at this.
The above only is the description of the preferred implementation of invention; Should be pointed out that finiteness, and objectively have unlimited concrete structure owing to literal expression; For those skilled in the art; Under the prerequisite that does not break away from the principle of the invention, can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.
Claims (7)
1. a tower crane is used lifting body; Comprise that jacking crossbeam, bearing pin and the standard knot that is connected on the standard knot body of the tower mark time; It is characterized in that; The side of said jacking crossbeam is provided with first attaching parts and second attaching parts that vertically extends side by side, has preset spacing between said first attaching parts and said second attaching parts; Said bearing pin inserts the pin-and-hole that alignment is provided with and along continuous straight runs extends respectively on said first attaching parts and said second attaching parts successively; The medial extremity of said bearing pin be circumferentially with card-bit part, and said card-bit part is between said first attaching parts and said second attaching parts; The external side end of said bearing pin is plugged in said standard knot and marks time.
2. tower crane according to claim 1 is used lifting body, it is characterized in that, said first attaching parts is first baffle plate, and said second attaching parts is a second baffle.
3. tower crane according to claim 2 is used lifting body, and said first baffle plate and said second baffle are steel plate, and all is welded in said jacking crossbeam.
4. tower crane according to claim 1 is used lifting body, it is characterized in that, said card-bit part is the 3rd baffle plate, and said the 3rd baffle plate is located at the side face of said bearing pin.
5. use lifting body according to each described tower crane of claim 1-4, it is characterized in that, said standard knot is marked time and is provided with the pin-and-hole that along continuous straight runs extends, and said bearing pin is plugged in this pin-and-hole.
6. use lifting body according to each described tower crane of claim 1-4, it is characterized in that the bottom that said standard knot is marked time is provided with groove, said bearing pin is plugged in said groove.
7. a self-raising tower crane comprises body of the tower and the lifting body that is installed on body of the tower, it is characterized in that said lifting body is for to use lifting body like each described tower crane of claim 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210068818.8A CN102583170B (en) | 2012-03-15 | 2012-03-15 | Self-elevating tower crane and elevating mechanism thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210068818.8A CN102583170B (en) | 2012-03-15 | 2012-03-15 | Self-elevating tower crane and elevating mechanism thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102583170A true CN102583170A (en) | 2012-07-18 |
| CN102583170B CN102583170B (en) | 2014-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210068818.8A Expired - Fee Related CN102583170B (en) | 2012-03-15 | 2012-03-15 | Self-elevating tower crane and elevating mechanism thereof |
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| Country | Link |
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| CN (1) | CN102583170B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103359634A (en) * | 2013-07-29 | 2013-10-23 | 徐州重型机械有限公司 | Tower crane annular jacking crossbeam device |
| CN106429890A (en) * | 2016-08-24 | 2017-02-22 | 无锡科通工程机械制造有限公司 | Anti-falling device |
| CN114105006A (en) * | 2021-11-30 | 2022-03-01 | 湖南三一塔式起重机械有限公司 | Jacking cross beam, climbing frame and tower crane |
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| DE3936257C2 (en) * | 1989-10-31 | 1999-04-08 | Man Ghh Logistics | Bolt connection for corner posts of a crane tower |
| CN2463372Y (en) * | 2001-02-07 | 2001-12-05 | 方圆集团有限公司 | Tower crane jacking mechanism |
| CN201325833Y (en) * | 2008-11-17 | 2009-10-14 | 安徽建工集团有限公司 | Jacking falling-off prevention device of self-elevation tower crane |
| CN201722081U (en) * | 2009-12-29 | 2011-01-26 | 长沙中联重工科技发展股份有限公司 | Connecting structure of jacking cylinder and upper cross beam of tower crane |
| CN202542739U (en) * | 2012-03-15 | 2012-11-21 | 徐州重型机械有限公司 | Self-elevating type tower crane and jacking mechanism thereof |
-
2012
- 2012-03-15 CN CN201210068818.8A patent/CN102583170B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3936257C2 (en) * | 1989-10-31 | 1999-04-08 | Man Ghh Logistics | Bolt connection for corner posts of a crane tower |
| CN2463372Y (en) * | 2001-02-07 | 2001-12-05 | 方圆集团有限公司 | Tower crane jacking mechanism |
| CN201325833Y (en) * | 2008-11-17 | 2009-10-14 | 安徽建工集团有限公司 | Jacking falling-off prevention device of self-elevation tower crane |
| CN201722081U (en) * | 2009-12-29 | 2011-01-26 | 长沙中联重工科技发展股份有限公司 | Connecting structure of jacking cylinder and upper cross beam of tower crane |
| CN202542739U (en) * | 2012-03-15 | 2012-11-21 | 徐州重型机械有限公司 | Self-elevating type tower crane and jacking mechanism thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103359634A (en) * | 2013-07-29 | 2013-10-23 | 徐州重型机械有限公司 | Tower crane annular jacking crossbeam device |
| CN106429890A (en) * | 2016-08-24 | 2017-02-22 | 无锡科通工程机械制造有限公司 | Anti-falling device |
| CN114105006A (en) * | 2021-11-30 | 2022-03-01 | 湖南三一塔式起重机械有限公司 | Jacking cross beam, climbing frame and tower crane |
| CN114105006B (en) * | 2021-11-30 | 2024-01-09 | 湖南三一塔式起重机械有限公司 | Jacking crossbeam, climbing frame and tower crane |
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| Publication number | Publication date |
|---|---|
| CN102583170B (en) | 2014-04-09 |
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Granted publication date: 20140409 Termination date: 20180315 |