CN111377364A - Ground jacking type tower crane device and construction method - Google Patents
Ground jacking type tower crane device and construction method Download PDFInfo
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- CN111377364A CN111377364A CN202010175537.7A CN202010175537A CN111377364A CN 111377364 A CN111377364 A CN 111377364A CN 202010175537 A CN202010175537 A CN 202010175537A CN 111377364 A CN111377364 A CN 111377364A
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- frame body
- lifting frame
- tower crane
- jacking
- support
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes 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
- B66C23/18—Cranes 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
- B66C23/26—Cranes 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
- B66C23/28—Cranes 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 constructed to operate at successively higher levels
- B66C23/283—Cranes 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 constructed to operate at successively higher levels with frameworks composed of assembled elements
- B66C23/286—Cranes 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 constructed to operate at successively higher levels with frameworks composed of assembled elements with locking devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes 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
- B66C23/62—Constructional features or details
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Transportation (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a ground jacking type tower crane device and a construction method, wherein the ground jacking type tower crane device is arranged outside a building and comprises a frame body, a jacking bracket, a standard knot, a transport vehicle, a locking device and a jack; the support body is through attaching wall leg joint on the building, including fixed support body and promotion support body, fixed support body is fixed subaerial, is located the promotion support body lower part, the promotion support body is established in the promotion support body to reciprocate, the jack passes through the jacking leg joint and establishes in promotion support body below, locking device establishes at fixed support body and attaches on the wall support, and the inboard is connected with the promotion support body, the transport vechicle is established on the track, the inner position in the mount of track is internal, the standard festival passes through the transport vechicle transportation. On the premise of not changing the original standard knot of the tower crane, the tower crane is replaced by a mode that the tower crane adopts an external hanging frame to lift up at the upper part, so that the lifting operation of the tower crane on the ground and inside is realized, and the risk brought by high-altitude operation is avoided.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a ground jacking type tower crane device and a construction method.
Background
With the shortage of urban land resources, high-rise buildings are more and more popular, and the overall height is mainly 99 meters. When the existing building with the length of less than 100 meters is constructed, the generally adopted tower crane is mainly an externally attached tower crane. The jacking mode of the external tower crane mostly adopts the outer hanging rack at the upper part of the tower crane to lift, and the construction mode needs manual work for high-altitude operation and has certain risks. The invention provides a ground jacking type tower crane device and a construction method to overcome the defects.
Disclosure of Invention
The invention provides a ground jacking type tower crane device and a construction method, which are used for realizing jacking operation of a tower crane on the ground and avoiding risks caused by high-altitude operation.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a ground jacking type tower crane device is arranged outside a building and comprises a frame body, a jacking bracket, a standard knot, a transport vehicle, a locking device and a jack; the lifting frame body is arranged in the lifting frame body and moves up and down, the jack is arranged below the lifting frame body through the jacking support, the locking devices are arranged on the fixing frame body and the wall-attached support, the inner sides of the locking devices are connected with the lifting frame body, the transport vehicle is arranged on the track, the inner end of the track is arranged in the fixing frame body, and the standard section is transported through the transport vehicle;
the locking device outer end is connected on fixed support body and attaches the wall support, and inner and promotion support body swing joint including base, pneumatic cylinder, support clamp, supporting wheel, auto-lock spring and adjusting lever, the base is fixed at fixed support body and attaches the wall support, the pneumatic cylinder is established on the base, the support clamp passes through the bracing piece to be connected on the pneumatic cylinder piston, the supporting wheel passes through the bracing piece and is connected the auto-lock spring, two piece upper and lower bracing pieces parallel arrangement to connect through the adjusting lever, the middle part of adjusting lever is connected on the base.
Furthermore, when the tower crane is in a lifting state, the supporting wheel of the locking device is in contact with the lifting frame body; when the tower crane is in a stable state, the supporting clamp of the locking device is contacted with the lifting frame body.
Furthermore, the locking devices are arranged in pairs and are arranged around the lifting frame body relatively.
Further, the jacking support can be dismantled and connect on the lifting frame body, the jack interval is established under the jacking support to get into standard festival and let the position.
Furthermore, the lifting frame body is composed of standard sections at intervals up and down.
Furthermore, a fixed stay bar is arranged on the base, the middle part of the adjusting rod is movably connected to the fixed stay bar, and the upper support bar and the lower support bar are connected to the fixed stay bar.
Preferably, the transport vehicle adopts a hoisting transport standard knot.
A construction method of a ground jacking type tower crane device is characterized by comprising the following steps:
s1, balance adjustment: a section of standard knot is hoisted by the tower crane at the top end of the frame body, so that the two ends of the large arm are kept balanced;
s2, preparation: fixing a jacking support on the bottom end of a lifting frame body, adjusting a locking device to enable a supporting clamp to be separated from the lifting frame body, enabling a supporting wheel to be in contact with the lifting frame body, loosening the fixed connection between the lifting frame body and a floor slab, and placing a standard knot to be installed on a transport vehicle;
s3, jacking and lifting the frame body: starting the jack, jacking the lifting frame body to a height of 3.5m, and locking the jack;
s4, standard section installation: the transport vehicle transports the standard knot to a designated position in the fixed frame body, and the standard knot is fixedly connected with the floor slab; pushing the fixed frame out of the body by the transport vehicle;
s5, connecting standard sections: starting the jack, dropping the lifting frame body onto the standard section, and fixedly locking the lifting frame body and the standard section;
s6, fixing the lifting frame body: adjusting the locking device to enable the supporting wheels to be separated from the lifting frame body, and enabling the supporting clamp to be in contact with the lifting frame body to support and fix the lifting frame body;
s7, detaching the jacking bracket: and (4) separating the jacking bracket from the standard joint, and dropping the jack back to the initial state.
The invention has the following beneficial effects:
on the premise of not changing the original standard knot of the tower crane, the tower crane is replaced by adopting a jacking mode of an external hanging frame at the upper part, so that the jacking operation of the tower crane on the ground and inside is realized, and the risk brought by high-altitude operation is avoided;
the locking device is adopted to fix and limit the hoisting frame body in construction, the stability of the hoisting frame body can be kept in a hoisting state and a stable state, the stability of the whole device in construction is ensured, and the danger caused by the infirm fixation of the hoisting frame body is avoided;
the tower crane is arranged outside a building and adopts a wall-attached connection mode, the gravity center of the tower crane is always positioned inside the standard section through reasonable balance weight, and then the danger when a suspended ceiling of the tower is lifted is reduced.
Drawings
FIG. 1 is an overall schematic view of the present invention;
FIG. 2 is a schematic view of a frame structure according to the present invention;
FIG. 3 is a front view of the locking device of the present invention;
FIG. 4 is a top view of the locking device of the present invention;
fig. 5 is a schematic view of the construction process of the invention.
Reference numerals: 1-frame body, 11-fixed frame body, 12-lifting frame body, 2-jacking support, 3-standard knot, 4-transport vehicle, 5-locking device, 51-base, 52-hydraulic cylinder, 53-supporting clamp, 54-supporting wheel, 55-self-locking spring, 56-adjusting rod, 6-jack and 7-wall-attached support.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the specification, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
As shown in fig. 1 and 2, a ground jacking type tower crane device is arranged outside a building and comprises a frame body 1, a jacking bracket 2, a standard knot 3, a transport vehicle 4, a locking device 5 and a jack 6; support body 1 is connected on the building through attaching wall support 7, including fixed support body 11 and hoisting support body 12, fixed support body 11 is fixed subaerial, is located hoisting support body 12 lower part, hoisting support body 12 is established in hoisting support body 12 to reciprocate, jack 6 is established in hoisting support body 12 below through jacking support 2, locking device 5 is established on fixed support body 11 and attaching wall support 7, and the inboard is connected with hoisting support body 12, transport vechicle 4 is established on the track, the inner end of track is located fixed support body 11, standard festival 3 transports to fixed support body 11 in through transport vechicle 4.
As shown in fig. 2, 3 and 4, the outer end of the locking device 5 is connected to the fixing frame 11 and the wall-attached support 7, the inner end of the locking device is movably connected to the lifting frame 12, and the locking device includes a base 51, a hydraulic cylinder 52, a supporting clamp 53, a supporting wheel 54, a self-locking spring 55 and an adjusting rod 56, the base 51 is fixed to the fixing frame 11 and the wall-attached support 7, the hydraulic cylinder 52 is arranged on the base 51, the supporting clamp 53 is connected to the piston of the hydraulic cylinder 52 through a supporting rod, the supporting wheel 54 is connected to the self-locking spring 55 through a supporting rod, the upper and lower supporting rods are arranged in parallel and are connected through the adjusting rod 56, and the middle of the.
As shown in fig. 3 and 4, the adjusting rod 56 is vertically arranged, the upper end and the lower end of the adjusting rod are hinged to the two support rods, the middle of the adjusting rod is fixedly connected to the fixed support rod of the base, and the support clamp 53 and the support wheel 54 are respectively contacted with the lifting frame body 12 by adopting the lever principle; when the lifting frame is lifted, the hydraulic cylinder 52 is recovered to drive the supporting clamp 53 to be recovered, and simultaneously, under the action of the lever, the supporting wheel 54 extends out to be in contact with the lifting frame body 12, so that the effects of supporting and ensuring the up-and-down movement are achieved. When the lifting frame body is stabilized, the hydraulic cylinder 52 extends out to drive the supporting clamp 53 and the supporting wheel 54 to move reversely, so that the supporting clamp 53 contacts with the lifting frame body 12 and limits the movement thereof.
The locking device 5 uses the adjusting rod 56 as a lever to realize asynchronous supporting of the supporting clamp 53 and the supporting wheel 54 and the lifting frame body 12, and ensures that the lifting frame body 12 is supported and kept stable in a stable state and a lifting state.
As shown in fig. 3, further, in the tower crane lifting state, the supporting wheels 54 of the locking device 5 contact with the lifting frame body 12; when the tower crane is in a stable state, the supporting clamp 53 of the locking device 5 is in contact with the lifting frame body 12. In the lifting state, the supporting wheels 54 are used for contact, so that the lifting of the lifting frame body 12 is supported and limited, and only vertical movement of the lifting frame body 12 is ensured; in the steady state, the support clip 53 is used for contact, so that the stability of the lifting frame body 12 is ensured, and the vertical movement of the lifting frame body is limited.
Further, the locking devices 5 are arranged in pairs and are oppositely arranged around the lifting frame body 12.
Further, jacking support 2 can be dismantled and connect on lifting frame body 12, jack 6 intervals are established under jacking support 2 to get into standard festival 3 and give way.
Further, the lifting frame body 12 is composed of standard knots 3 which are spaced up and down.
Preferably, the jacking bracket 2 and the standard knot 3 are connected by a snap.
Furthermore, a fixed stay bar is arranged on the base 51, the middle part of the adjusting rod 56 is movably connected to the fixed stay bar, and the upper and lower two support rods are connected to the fixed stay bar.
Preferably, the transport vehicle 4 adopts a hoisting transport standard knot 3. And the hoisting mode is adopted, so that the transportation and the placement are convenient. The inner space of the fixed frame body 11 is small, construction is inconvenient, the hoisting transportation mode effectively promotes the placement and alignment of the standard knot 3, and the transportation vehicle 4 is convenient to enter and exit.
As shown in fig. 1 and 5, a construction method of a ground jacking type tower crane device is characterized by comprising the following steps:
s1, balance adjustment: a section of standard knot is hoisted by the tower crane at the top end of the frame body 1, so that the two ends of the large arm are kept balanced;
s2, preparation: fixing the jacking bracket 2 on the bottom end of the lifting frame body 12, adjusting the locking device 5 to enable the supporting clamp 53 to be separated from the lifting frame body 12, enabling the supporting wheel 54 to be in contact with the lifting frame body 12, loosening the fixed connection between the lifting frame body 12 and a floor slab, and placing the standard knot 3 to be installed on the transport vehicle 4;
s3, lifting the lift frame body 12: starting the jack 6, jacking the lifting frame body 12 to a height of 3.5m, and locking the jack 6;
s4, arranging standard knot 3: the transport vehicle 4 transports the standard knot 3 to a designated position in the fixed frame body 11, and fixedly connects the standard knot 3 with the floor slab; the transport cart 4 is pushed out of the fixed frame body 11;
s5, connecting standard section 3: starting the jack 6, dropping the lifting frame body 12 onto the standard joint 3, and fixedly locking the lifting frame body 12 and the standard joint 3;
s6, fixing the poppet body 12: the locking device 5 is adjusted to make the supporting wheel 54 separate from the lifting frame body 12, and the supporting clamp 53 contacts with the lifting frame body 12 to support and fix the lifting frame body 12;
s7, disengaging the jacking bracket 2: the jacking bracket 2 is separated from the standard knot 3, and the jack 6 is dropped back to the initial state.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Claims (8)
1. The utility model provides a ground jacking formula tower crane device, establishes outside the building, characterized by: comprises a frame body (1), a jacking bracket (2), a standard knot (3), a transport vehicle (4), a locking device (5) and a jack (6); the frame body (1) is connected to a building through a wall attaching support (7) and comprises a fixed frame body (11) and a lifting frame body (12), the fixed frame body (11) is fixed on the ground and located on the lower portion of the lifting frame body (12), the lifting frame body (12) is arranged in the lifting frame body (12) and moves up and down, a jack (6) is arranged below the lifting frame body (12) through a jacking support (2), a locking device (5) is arranged on the fixed frame body (11) and the wall attaching support (7), the inner side of the locking device is connected with the lifting frame body (12), a transport vehicle (4) is arranged on a track, the inner end of the track is located in the fixed frame body (11), and a standard section (3) is transported through the transport vehicle (4);
locking device (5) outer end is connected on fixed support body (11) and attaches wall support (7), inner and lifting frame body (12) swing joint, including base (51), pneumatic cylinder (52), support clamp (53), supporting wheel (54), auto-lock spring (55) and adjusting lever (56), base (51) are fixed on fixed support body (11) and are attached wall support (7), establish on base (51) pneumatic cylinder (52), support clamp (53) are connected on pneumatic cylinder (52) piston through the bracing piece, supporting wheel (54) pass through the bracing piece and are connected auto-lock spring (55), two upper and lower bracing pieces parallel arrangement to connect through adjusting lever (56), the middle part of adjusting lever (56) is connected on base (51).
2. The ground jacking tower crane device of claim 1, wherein: when the tower crane is in a lifting state, the supporting wheel (54) of the locking device (5) is contacted with the lifting frame body (12); when the tower crane is in a stable state, the supporting clamp (53) of the locking device (5) is contacted with the lifting frame body (12).
3. The ground jacking tower crane device of claim 1, wherein: the locking devices (5) are arranged in pairs and are oppositely arranged around the lifting frame body (12).
4. The ground jacking tower crane device of claim 1, wherein: jacking support (2) can be dismantled and connect on lifting frame body (12), jack (6) interval is established under jacking support (2) to get into standard festival (3) and give way.
5. The ground jacking tower crane device of claim 1, wherein: the lifting frame body (12) is composed of standard knots (3) at intervals up and down.
6. The ground jacking tower crane device of claim 1, wherein: the base (51) is provided with a fixed stay bar, the middle part of the adjusting rod (56) is movably connected to the fixed stay bar, and the upper and lower support rods are connected to the fixed stay bar.
7. The ground jacking tower crane device of claim 1, wherein: the transport vehicle (4) adopts a hoisting transport standard knot (3).
8. The construction method of the ground jacking type tower crane device according to any one of claims 1 to 7, characterized by comprising the following steps:
s1, balance adjustment: a section of standard knot is hoisted by the tower crane at the top end of the frame body (1) to keep the balance of the two ends of the large arm;
s2, preparation: fixing a jacking support (2) on the bottom end of a lifting frame body (12), adjusting a locking device (5) to enable a supporting clamp (53) to be separated from the lifting frame body (12), enabling a supporting wheel (54) to be in contact with the lifting frame body (12), loosening the fixed connection between the lifting frame body (12) and a floor slab, and placing a standard knot (3) to be installed on a transport vehicle (4);
s3, lifting the lifting frame body (12): starting the jack (6), jacking the lifting frame body (12) to 3.5m height, and locking the jack (6);
s4, standard section (3) installation: the transport vehicle (4) transports the standard knot (3) to a designated position in the fixed frame body (11), and the standard knot (3) is fixedly connected with the floor slab; the transport vehicle (4) is pushed out of the fixed frame body (11);
s5, connecting standard section (3): starting the jack (6), dropping the lifting frame body (12) onto the standard joint (3), and fixedly locking the lifting frame body (12) and the standard joint (3);
s6, fixing the lifting frame body (12): adjusting the locking device (5) to enable the supporting wheel (54) to be separated from the lifting frame body (12), and enabling the supporting clamp (53) to be in contact with the lifting frame body (12) to support and fix the lifting frame body (12);
s7, disengaging the jacking bracket (2): and (3) separating the jacking bracket (2) from the standard knot (3) and dropping the jack (6) to the initial state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010175537.7A CN111377364B (en) | 2020-03-13 | 2020-03-13 | Construction method of ground jacking type tower crane device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010175537.7A CN111377364B (en) | 2020-03-13 | 2020-03-13 | Construction method of ground jacking type tower crane device |
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| Publication Number | Publication Date |
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| CN111377364A true CN111377364A (en) | 2020-07-07 |
| CN111377364B CN111377364B (en) | 2022-08-05 |
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| CN202010175537.7A Active CN111377364B (en) | 2020-03-13 | 2020-03-13 | Construction method of ground jacking type tower crane device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114014177A (en) * | 2021-11-17 | 2022-02-08 | 郑州新大方重工科技有限公司 | Node-added height increasing device, node-added height increasing method and crane |
| CN114031006A (en) * | 2021-11-09 | 2022-02-11 | 中科骊久(济南)建筑机器人有限公司 | Rapid fastening structure of tower crane rotary joint and reference joint and tower crane jacking method |
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| CN201040692Y (en) * | 2007-06-06 | 2008-03-26 | 湖北省输变电工程公司 | Double horizontal arm grounding hold-pole |
| CN205241083U (en) * | 2015-10-30 | 2016-05-18 | 徐州建机工程机械有限公司 | Tower crane of bottom introduction body of tower and jacking device |
| CN107857201A (en) * | 2017-11-14 | 2018-03-30 | 中建三局第建设工程有限责任公司 | A kind of inside-climbing tower crane does not fall beam and climbed method |
| CN110255396A (en) * | 2019-05-24 | 2019-09-20 | 浙江省建设机械集团有限公司 | A kind of electric power holding pole structure that fuselage jacks certainly |
| KR102059105B1 (en) * | 2019-02-01 | 2019-12-24 | (유)아하산업 | Tower crane with multistage stacked mast |
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| CN201040692Y (en) * | 2007-06-06 | 2008-03-26 | 湖北省输变电工程公司 | Double horizontal arm grounding hold-pole |
| CN205241083U (en) * | 2015-10-30 | 2016-05-18 | 徐州建机工程机械有限公司 | Tower crane of bottom introduction body of tower and jacking device |
| CN107857201A (en) * | 2017-11-14 | 2018-03-30 | 中建三局第建设工程有限责任公司 | A kind of inside-climbing tower crane does not fall beam and climbed method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114031006A (en) * | 2021-11-09 | 2022-02-11 | 中科骊久(济南)建筑机器人有限公司 | Rapid fastening structure of tower crane rotary joint and reference joint and tower crane jacking method |
| CN114031006B (en) * | 2021-11-09 | 2024-02-13 | 中科骊久(济南)机器人有限公司 | Quick fastening structure of tower crane rotary joint and reference joint and tower crane jacking method |
| CN114014177A (en) * | 2021-11-17 | 2022-02-08 | 郑州新大方重工科技有限公司 | Node-added height increasing device, node-added height increasing method and crane |
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| Publication number | Publication date |
|---|---|
| CN111377364B (en) | 2022-08-05 |
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