CN110065892B - Hoisting device and hoisting method for indoor hoisting of prefabricated combined pipeline - Google Patents
Hoisting device and hoisting method for indoor hoisting of prefabricated combined pipeline Download PDFInfo
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- CN110065892B CN110065892B CN201910454825.3A CN201910454825A CN110065892B CN 110065892 B CN110065892 B CN 110065892B CN 201910454825 A CN201910454825 A CN 201910454825A CN 110065892 B CN110065892 B CN 110065892B
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- prefabricated combined
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- 238000000034 method Methods 0.000 title claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 42
- 239000010959 steel Substances 0.000 claims abstract description 42
- 238000003466 welding Methods 0.000 claims abstract description 26
- 230000000712 assembly Effects 0.000 claims abstract description 4
- 238000000429 assembly Methods 0.000 claims abstract description 4
- 238000004804 winding Methods 0.000 claims description 19
- 239000002131 composite material Substances 0.000 claims description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000009966 trimming Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000000630 rising effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
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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
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
- B66C1/44—Gripping members engaging only the external or internal surfaces of the articles and applying frictional forces
- B66C1/48—Gripping members engaging only the external or internal surfaces of the articles and applying frictional forces to vertical edge portions of sheets, tubes, or like thin or thin-walled articles
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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
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
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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
- B66C25/00—Cranes not provided for in groups B66C17/00 - B66C23/00
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D3/00—Portable or mobile lifting or hauling appliances
- B66D3/18—Power-operated hoists
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention provides a hoisting device and a hoisting method for indoor hoisting of a prefabricated combined pipeline, which are used for solving the problem that the hoisting sequence of the existing prefabricated combined pipeline cannot meet the hoisting requirement of the prefabricated combined pipeline of the project with the completed civil engineering structure; the movable double-rope hoisting equipment and the detachable hoisting bracket are provided with pulley assemblies; fine adjusting devices are respectively arranged at four corners of the piping shaft, and crosspiece bases are also arranged at the four corners of the piping shaft. The invention can hoist the pipeline from top to bottom, adopts double strands of steel wire ropes to hoist, increases the stability of hoisting, has quite free welding time of the pipeline, and is not limited to the welding of hoisting sites.
Description
Technical Field
The invention relates to the technical field of pipeline installation, in particular to a hoisting device and a hoisting method for indoor hoisting of prefabricated combined pipelines.
Background
In the technical field of building construction, super high-rise buildings refer to buildings with more than 40 floors or more than 100 meters in height. The building is provided with a piping shaft, which is a vertical shaft in the building for arranging vertical equipment lines. The pipes in the piping shaft include water supply, power supply, water drainage, telephone, cable television, monitoring, network, ventilation, etc.
The existing prefabricated combined pipeline is installed by adopting a tower crane under the condition that the top of an engineering pipeline well is not sealed, and because the prefabricated combined pipeline is installed by adopting indoor hoisting, the hoisting starting point of the prefabricated combined pipeline is usually one layer underground, the layer height of the underground layer is generally relatively higher, the prefabricated combined pipeline can be transported in the basement or prefabricated in the basement, the hoisting mode is to install the top layer firstly, then install the prefabricated combined pipeline downwards in sequence, the hoisting sequence is to install the lower part firstly and then install the upper part, the hoisted pipeline is welded on site, and after the welding of the upper pipeline and the lower pipeline is ensured to be completed, the next pipeline is welded on the hoisted pipeline, and although the connection between the two pipelines can be carried out, the phenomena such as welding leakage and false welding can occur between two adjacent pipelines due to the limitation of the space of the pipeline well.
And for the engineering of the civil structure which is completed, the hoisting method is not preferable. The engineering of the civil engineering structure is carried out in an internal hoisting mode, and a top-down installation mode is adopted. There is no corresponding lifting device for the project of which the civil engineering structure is completed, so it is important to develop a pipeline lifting device for the project of which the civil engineering structure is completed.
Disclosure of Invention
The invention provides a hoisting device and a hoisting method for indoor hoisting of prefabricated combined pipelines, which are used for solving the problem that the hoisting sequence of the existing prefabricated combined pipelines is that the existing prefabricated combined pipelines are firstly installed below and then are installed above, but the hoisting of the prefabricated combined pipelines of the engineering completed by a civil engineering structure cannot be met, so that the welding quality among the pipelines is improved, the pipelines are installed from top to bottom, and the purpose of free welding time is achieved.
The technical scheme of the invention is realized as follows:
the utility model provides a hoisting device for indoor hoist and mount of prefabricated combination pipeline, including waiting to hoist the floor top and be located the portable double rope lifting device of pipeline well side, connect two wire ropes that set up on portable double rope lifting device and be used for being steadily hoisted by the double rope under the action of portable double rope lifting device prefabricated combination pipeline, prefabricated combination pipeline clamping sets up on the pipeline support, connect to be provided with on the pipeline support with two wire rope connection, be used for carrying out fixed hoist and mount fixing device to the pipeline support, the one end connection of portable double rope lifting device is provided with the detachable hoist and mount support of bottom fixed setting on waiting to hoist the floor; the movable double-rope hoisting equipment and the detachable hoisting support are provided with pulley assemblies for changing the hoisting direction of the steel wire rope to the prefabricated combined pipeline; the four corners of the pipeline well are respectively provided with a trimming device, the fixing ends of the trimming device are fixed on the floor to be lifted, the movable ends of the trimming device are connected with the pipeline support, the trimming device is used for trimming the pipeline support and the prefabricated combined pipeline after the movable double-rope hoisting equipment is lifted, and the four corners of the pipeline well are also provided with a crosspiece base, one ends of the crosspiece base are fixedly connected with the floor to be lifted, and the other ends of the crosspiece base are fixedly connected with the pipeline support, and are used for positioning the prefabricated combined pipeline after the trimming operation is completed.
Further optimizing the technical scheme, the movable double-rope hoisting equipment comprises a movable trolley arranged above a floor to be hoisted, a winch positioning bracket fixedly arranged above the movable trolley, a winch positioning plate fixedly arranged above the winch positioning bracket and a winch fixedly arranged above the winch positioning plate;
the movable trolley comprises a movable bottom plate, rollers arranged at the bottom end of the movable bottom plate and a pushing bracket arranged at one side of the movable bottom plate;
the winch positioning support is fixedly arranged on the movable bottom plate, two vertical fixing plates are arranged on the movable bottom plate, a transverse side plate is fixedly connected between the two vertical fixing plates, and a wire rope penetrating hole for enabling two wire ropes to penetrate is formed in the transverse side plate.
Further optimizing technical scheme, the hoist engine includes the motor that sets up on the hoist engine locating plate, sets up the axis of rotation on the hoist engine locating plate and sets up the connection structure between motor and axis of rotation through the bearing, and the fixed reel that is connected respectively with two wire ropes that is provided with in the axis of rotation.
Further optimizing technical scheme, detachable hoist and mount support includes with horizontal curb plate fixed connection's detachable link and with detachable link be connected and bottom mounting sets up the jack-up mount body on waiting to hoist the floor.
Further optimizing technical scheme, the pulley assembly includes two first fixed pulleys that transversely set up on horizontal curb plate, the fixed second fixed pulley that sets up on the detachable connection frame of horizontal and the fixed third fixed pulley that sets up on the jack-up mount body of vertical.
According to the further optimized technical scheme, the pipeline bracket comprises a rectangular frame body with the shape smaller than that of a pipeline well, at least two rectangular holes are formed in the rectangular frame body, and clamping positioning rings, the number of which corresponds to that of the rectangular holes, are fixedly arranged on the rectangular frame body and are used for fastening and clamping the prefabricated combined pipeline; the clamping positioning ring comprises a plurality of arc plates which are fixedly arranged on the top end face of the rectangular frame body in a segmented mode, the arc plates are surrounded to form through holes for clamping pipelines in the prefabricated combined pipeline, and reinforcing plates are arranged at the joints of the arc plates and the rectangular frame body.
According to the further optimized technical scheme, the hoisting fixing device comprises four door-shaped fixing plates fixedly arranged at four corners of a rectangular frame body, a positioning hook and two fork-shaped connecting ropes are respectively arranged above the four door-shaped fixing plates, each fork-shaped connecting rope is respectively connected and arranged on the two positioning hooks, and a steel wire rope connecting hook connected with the steel wire rope is arranged at a node of each fork-shaped connecting rope.
According to the further optimized technical scheme, the fine adjustment device comprises two 'door' -shaped positioning frames, wherein the bottom ends of the two 'door' -shaped positioning frames are fixedly arranged on a floor to be lifted, the top ends of the two 'door' -shaped positioning frames are fixedly provided with jack positioning plates, jacks are fixedly arranged on the jack positioning plates, and the telescopic ends of the jacks are fixedly connected with lifting hooks; the lifting hook comprises a top plate fixedly connected with the telescopic end of the jack, a side plate fixed with the top plate and an L-shaped plate fixed with the top plate, and the L-shaped plate is hooked with a transverse positioning connecting plate fixed with the top end of the pipeline bracket.
According to the further optimized technical scheme, the crosspiece base comprises a positioning bottom plate, the bottom end of the positioning bottom plate is fixedly arranged on a floor to be lifted, and a rectangular positioning block, the top end of the rectangular positioning block is fixedly arranged on the positioning bottom plate, and the bottom end of the rectangular positioning block is fixedly connected with the bottom end of the transverse positioning connecting plate.
A hoisting method of a hoisting device for indoor hoisting of prefabricated combined pipelines comprises the following specific hoisting steps:
step one, prefabricating a combined pipeline and assembling a pipeline bracket; at least two pipelines in the prefabricated combined pipeline are arranged in parallel, and the pipelines in the prefabricated combined pipeline are respectively clamped and arranged in the clamping positioning ring; if the length of the prefabricated combined pipeline is too long, a plurality of pipeline brackets are arranged in the middle of the prefabricated combined pipeline in a clamping mode, and the distance between two adjacent pipeline brackets is equal to the height between two floors;
step two, assembling the pipeline bracket and the hoisting fixing device; four door-shaped fixing plates are respectively and fixedly arranged at four corners of the rectangular frame body, and two fork-shaped connecting ropes are respectively connected with the positioning hooks;
step three, two steel wire ropes are respectively connected with a winch and a hoisting fixing device; one ends of two steel wire ropes are respectively and fixedly wound on a first winding drum and a second winding drum, the directions of the two steel wire ropes are vertical after bypassing a first fixed pulley, a second fixed pulley and a third fixed pulley, and the two steel wire ropes penetrate through a pipeline well on a floor to be lifted, and the other ends of the two steel wire ropes are respectively connected with a steel wire rope connecting hook arranged at a forked connecting rope node;
step four, hoisting operation is carried out on the prefabricated combined pipeline by using the movable double-rope hoisting equipment; the motor in the winch drives the rotating shaft to rotate, so that the first winding drum and the second winding drum are driven to synchronously run, winding and withdrawing of the steel wire rope are realized, and then a hoisting fixing device connected with the steel wire rope, a pipeline support connected with the hoisting fixing device and a prefabricated combined pipeline clamped on the pipeline support are driven to rise upwards, when the prefabricated combined pipeline moves to be close to the position of the pipeline installed on the upper part, hoisting is stopped, a certain gap is reserved between the prefabricated combined pipeline and the pipeline installed on the upper part, and at the moment, the gap between the prefabricated combined pipeline and the pipeline installed on the upper part is a certain distance from the upper surface of a floor to be hoisted;
installing a fine tuning device, and carrying out fine tuning operation on the prefabricated combined pipeline and the pipeline installed on the upper portion through the fine tuning device; installing two transverse positioning connection plates at the bottom of a rectangular frame body in a pipeline bracket, installing two 'door' -shaped positioning frames on a fine adjustment device in pairs at four corners of a pipeline well on a floor to be lifted, enabling the bottom ends of lifting hooks in the fine adjustment device to be hooked with the transverse positioning connection plates, adjusting the lifting height of a jack to adjust the moving height of the transverse positioning connection plates, and further carrying out rising fine adjustment on a prefabricated combined pipeline, so that the prefabricated combined pipeline is contacted with the pipeline installed on the upper part;
step six, dismantling the movable double-rope hoisting equipment, the hoisting fixing device and the detachable hoisting bracket;
step seven, installing a crosspiece base; fixing the positioning bottom plate of the crosspiece base with the bottom end of the floor to be lifted, fixing the top end of the rectangular positioning block with the transverse positioning connecting plate, and respectively fixing the four crosspiece bases to four corners of a pipeline well on the floor to be lifted;
step eight, removing the fine adjustment device;
step nine, welding the prefabricated combined pipeline and the pipeline with the upper part installed; the welding operation can be performed when the fine adjustment device is removed, and the welding operation can be performed after a plurality of prefabricated combined pipelines in the whole building are installed.
By adopting the technical scheme, the invention has the beneficial effects that:
compared with the existing pipeline hoisting mode, the hoisting operation of the pipeline can be carried out from top to bottom, the double-strand steel wire ropes are adopted for hoisting, the hoisting stability is improved, at least two pipelines can be hoisted at one time, the fine tuning device is arranged to ensure that the gap between the upper pipeline and the lower pipeline is smaller during welding, and the crosspiece base arranged at the bottom of the pipeline support after fine tuning is finished can well and effectively position the hoisted pipeline, so that the welding time of the pipeline is very free and is not limited to the welding of a hoisting site.
The movable double-rope hoisting equipment can be arranged to move on a floor to be hoisted, and can hoist two steel wire ropes simultaneously, so that the hoisting of the two steel wire ropes mounted on the hoisting fixing device is more stable, and the multi-heel pipeline can be hoisted after the pipeline bracket is replaced.
The detachable hoisting support is arranged, so that the pulley assembly is effectively positioned on one hand, the hoisting direction is well guided, and on the other hand, the detachable hoisting support can be conveniently detached after hoisting is completed, and is convenient to follow-up welding operation.
The length of the pipeline bracket can be increased according to the number of pipelines to be hoisted, so that the number of clamping positioning rings is increased, and the purpose of hoisting multiple pipelines at one time is realized.
In the fine adjustment operation, the moving height of the transverse positioning connecting plate can be adjusted by adjusting the lifting height of the jack, so that the prefabricated combined pipeline is subjected to rising fine adjustment, and the prefabricated combined pipeline is contacted with the pipeline with the installed upper part.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic view of the structure of the present invention without a fine adjustment device;
FIG. 2 is a front view of the present invention when performing a lifting operation;
FIG. 3 is a second schematic diagram of the structure of the present invention without the fine adjustment device;
fig. 4 is a schematic structural diagram of connection relationship among the mobile double-rope hoisting device, the detachable hoisting bracket and the pulley assembly according to the invention;
fig. 5 is a schematic structural diagram of the mobile double-rope hoisting device according to the present invention during hoisting operation;
fig. 6 is a schematic structural diagram of the mobile double-rope hoisting device according to the present invention;
FIG. 7 is a schematic view of a detachable connection frame according to the present invention;
FIG. 8 is a schematic view of the structure of the lifting fixture body according to the present invention;
FIG. 9 is a schematic view of the structure of the present invention when the fine adjustment device is installed;
FIG. 10 is a schematic diagram of the structure of the present invention after the fine adjustment device is installed and the movable double-rope hoisting device is removed;
FIG. 11 is a schematic view of the structure of the present invention with the rail mount removed;
FIG. 12 is a schematic view of the construction of the present invention installed on a floor to be lifted;
FIG. 13 is a schematic structural view of the connection relationship between the pipe support and the prefabricated composite pipe according to the present invention;
FIG. 14 is a schematic view of a piping bracket according to the present invention;
FIG. 15 is a schematic view of a fine tuning device according to the present invention;
fig. 16 is a schematic structural view of the connection relationship between the hoisting and fixing device and the pipe bracket according to the present invention.
Wherein: 1. the movable double-rope hoisting equipment comprises a movable trolley 11, a movable bottom plate 111, 112, rollers 113, a pushing bracket 12, a winch positioning bracket 13, a vertical fixing plate 14, a transverse side plate 141, a wire rope penetrating hole 15, a winch positioning plate 16, a winch 161, a motor 162, a first winding drum 163 and a second winding drum; 2. a detachable hoisting bracket, 21, a detachable connecting frame, 211, an L-shaped connecting plate, 212 and a transverse positioning plate, 213, an inclined reinforcing connecting plate, 22, a lifting fixing frame body, 221, a vertical fixing plate, 222, a connecting plate I, 223 and a connecting plate II; 3. the hoisting fixing device comprises a 31, a door-shaped fixing plate, a 32, a fork-shaped connecting rope, a 33, a positioning hook, a 34 and a steel wire rope connecting hook; 4. prefabricating a combined pipeline, namely a first pipeline, a second pipeline and a first pipeline, wherein the first pipeline and the second pipeline are respectively provided with a first pipeline and a second pipeline; 5. pulley assembly 51, first fixed pulley, 52, second fixed pulley, 53, third fixed pulley; 6. the pipeline bracket 61, the rectangular frame body 611, the rectangular holes 62, the clamping positioning ring 621, the arc plate 622 and the reinforcing plate; 7. the fine tuning device comprises a fine tuning device 71, a door-shaped positioning frame 72, a jack positioning plate 73, a jack 74, a lifting hook 75 and a transverse positioning connecting plate; 8. the crosspiece base is 81, the positioning bottom plate is 82, and the rectangular positioning block is arranged; 9. floor to be lifted, 91 and pipeline well; 10. a wire rope.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The utility model provides a hoisting device for indoor hoist and mount of prefabricated combination pipeline, combine the fig. 1 through 16 to show, including treating lifting floor 9 top and being located the portable double rope lifting device 1 of piping shaft 91 side, connect two wire ropes 10 that set up on portable double rope lifting device 1 and be used for being steadily lifted by the double rope under the action of portable double rope lifting device 1 prefabricated combination pipeline 4, prefabricated combination pipeline 4 clamping sets up on pipeline support 6, be connected to be provided with on pipeline support 6 with two wire ropes 10 be connected, be used for carrying out fixed hoist and mount fixing device 3 to pipeline support 6, the one end connection of portable double rope lifting device 1 is provided with the bottom fixed detachable hoist and mount support 2 that sets up on treating lifting floor 9; the movable double-rope hoisting equipment 1 and the detachable hoisting bracket 2 are provided with pulley assemblies 5 for changing the hoisting direction of the steel wire ropes 10 to the prefabricated combined pipeline 4; the four corners of the pipeline well 91 are respectively provided with a fine adjustment device 7, the fixed ends of which are fixed on the floors 9 to be lifted, the movable ends of which are connected with the pipeline support 6, and the fine adjustment device 7 is used for carrying out fine adjustment operation on the pipeline support 6 and the prefabricated combined pipeline 4 after the lifting operation of the movable double-rope lifting device 1 is completed, and the four corners of the pipeline well 91 are also provided with a crosspiece base 8, one ends of which are fixedly connected with the floors 9 to be lifted, and the other ends of which are fixedly connected with the pipeline support 6, and are used for positioning the prefabricated combined pipeline 4 after the fine adjustment operation is completed.
The movable double-rope hoisting equipment 1 comprises a movable trolley 11 arranged above a floor 9 to be hoisted, a winch positioning bracket 12 fixedly arranged above the movable trolley 11, a winch positioning plate 15 fixedly arranged above the winch positioning bracket 12 and a winch 16 fixedly arranged above the winch positioning plate 15.
The movable cart 11 includes a movable floor 111, rollers 112 provided at the bottom end of the movable floor 111, and a push bracket 113 provided at one side of the movable floor 111.
The winch positioning bracket 12 is fixedly arranged on the movable bottom plate 111, two vertical fixing plates 13 are arranged on the movable bottom plate 111, a transverse side plate 14 is fixedly connected between the two vertical fixing plates 13, and a wire rope penetrating hole 141 for enabling the two wire ropes 10 to penetrate is formed in the transverse side plate 14.
The hoist 16 includes a motor 161 disposed on the hoist positioning plate 15, a rotation shaft disposed on the hoist positioning plate 15 through a bearing, and a connection structure disposed between the motor 161 and the rotation shaft, and the connection structure may be a driving wheel connected to an output shaft of the motor, a driven wheel connected to the rotation shaft, and the driving wheel and the driven wheel are connected through a chain or a belt. A first spool 162 and a second spool 163 connected to the two wire ropes 10 are fixedly provided on the rotation shaft.
The detachable hoisting support 2 comprises a detachable connecting frame 21 fixedly connected with the transverse side plate 14 and a hoisting fixing frame body 22 connected with the detachable connecting frame 21 and arranged on the floor 9 to be hoisted in a bottom fixing manner.
The detachable connecting frame 21 comprises an L-shaped connecting plate 211 and a transverse locating plate 212, the L-shaped connecting plate 211 is fixedly connected with the transverse side plate 14 through bolts, the transverse locating plate 212 is fixedly connected with the L-shaped connecting plate 211, an inclined reinforcing connecting plate 213 which plays a reinforcing role is arranged on the L-shaped connecting plate 211, and the L-shaped connecting plate 211 is connected with the lifting fixing frame body 22 through bolts.
The hoisting fixing frame body 22 comprises four fixing plates which are fixedly arranged above the floor 9 to be hoisted and are positioned at four corners of the pipeline well 91, a first connecting plate 222 is connected between two vertical fixing plates 221, a first connecting plate is also connected between the other two vertical fixing plates 221, and a second connecting plate 223 is arranged on the top end face of the first connecting plate.
The pulley assembly 5 comprises two first fixed pulleys 51 transversely arranged on the transverse side plates 14, a second fixed pulley 52 transversely fixedly arranged on the detachable connecting frame 21 and a third fixed pulley 53 vertically fixedly arranged on the lifting fixing frame body 22. Wherein the first fixed pulley 51 is arranged on the transverse side plate 14, the second fixed pulley 52 is arranged on the L-shaped connecting plate 211, and the third fixed pulley 53 is arranged on the second connecting plate 223.
The pipeline bracket 6 comprises a rectangular frame body 61 with a shape smaller than that of the pipeline well 91, at least two rectangular holes 611 are formed in the rectangular frame body 61, and clamping positioning rings 62 which are corresponding to the rectangular holes 611 in number and used for fastening and clamping the prefabricated combined pipeline 4 are fixedly arranged on the rectangular frame body 61; the clamping positioning ring 62 comprises a plurality of arc plates 621 which are fixedly arranged on the top end face of the rectangular frame 61 in a sectionalized manner, the plurality of arc plates 621 are surrounded to form through holes for clamping the pipelines in the prefabricated combined pipeline 4, and the joint of the arc plates 621 and the rectangular frame 61 is provided with a reinforcing plate 622.
The hoisting and fixing device 3 comprises four door-shaped fixing plates 31 fixedly arranged at four corners of a rectangular frame body 61, a positioning hook 33 and two fork-shaped connecting ropes 32 are respectively arranged above the four door-shaped fixing plates 31, each fork-shaped connecting rope 32 is respectively connected and arranged on the two positioning hooks 33, and a steel wire rope connecting hook 34 connected with the steel wire rope 10 is arranged at a node of each fork-shaped connecting rope 32.
The fine adjustment device 7 comprises two 'door' -shaped positioning frames 71 with the bottom ends fixedly arranged on a floor 9 to be lifted, jack positioning plates 72 are fixedly arranged at the top ends of the two 'door' -shaped positioning frames 71, jacks 73 are fixedly arranged on the jack positioning plates 72, and lifting hooks 74 are fixedly connected to telescopic ends of the jacks 73. The lifting hook 74 comprises a top plate fixedly connected with the telescopic end of the jack 73, a side plate fixed with the top plate and an L-shaped plate fixed with the top plate, and the L-shaped plate is hooked and provided with a transverse positioning connecting plate 75 fixed with the top end of the pipeline bracket 6.
The crosspiece base 8 comprises a positioning bottom plate 81 with the bottom end fixed on the floor 9 to be lifted and a rectangular positioning block 82 which is fixedly arranged on the positioning bottom plate 81 and the top end of which is fixed with the bottom end of the transverse positioning connecting plate 75.
The hoisting method is characterized by comprising the following specific hoisting steps.
Step one, assembling a prefabricated combined pipeline 4 and a pipeline bracket 6; at least two pipelines in the prefabricated combined pipeline 4 are arranged in parallel, and the pipelines in the prefabricated combined pipeline 4 are respectively clamped and arranged in the clamping positioning rings 62; if the length of the prefabricated combined pipeline 4 is too long, a plurality of pipeline brackets 6 are clamped in the middle of the prefabricated combined pipeline 4, and the distance between two adjacent pipeline brackets 6 is equal to the height between two floors.
Step two, assembling the pipeline bracket 6 and the hoisting fixing device 3; four "door" shaped fixing plates 31 are fixedly provided at four corners of the rectangular frame body 61, respectively, and two fork-shaped connecting ropes 32 are connected with the positioning hooks 33, respectively.
Step three, two steel wire ropes 10 are respectively connected with a winch 16 and a hoisting fixing device 3; one ends of the two steel wire ropes 10 are respectively and fixedly wound on a first winding drum 162 and a second winding drum 163, after the two steel wire ropes 10 bypass the first fixed pulley 51, the second fixed pulley 52 and the third fixed pulley 53, the directions of the steel wire ropes 10 are vertical directions and pass through a pipeline well 91 on the floor 9 to be lifted, and the other ends of the two steel wire ropes 10 are respectively connected with a steel wire rope connecting hook 34 arranged at a node of the fork-shaped connecting rope 32.
Step four, the movable double-rope hoisting equipment 1 carries out hoisting operation on the prefabricated combined pipeline 4; the motor 161 in the winch 16 drives the rotating shaft to rotate, so as to drive the first winding drum 162 and the second winding drum 163 to synchronously run, so as to realize winding and withdrawing of the steel wire rope 10, and further drive the hoisting fixing device 3 connected with the steel wire rope 10, the pipeline bracket 6 connected with the hoisting fixing device 3 and the prefabricated combined pipeline 4 clamped on the pipeline bracket 6 to rise upwards, and when the prefabricated combined pipeline 4 moves to be close to the position of the pipeline installed on the upper part, the hoisting is stopped, and a certain gap exists between the prefabricated combined pipeline 4 and the pipeline installed on the upper part; and at this time, the gap between the prefabricated combined pipeline 4 and the pipeline with the installed upper part is a certain distance from the upper surface of the floor 9 to be lifted, so that the welding position between the two pipelines is no longer the wellhead of the pipeline well, and the welding is more convenient.
Installing a fine tuning device 7, and carrying out fine tuning operation on the prefabricated combined pipeline 4 and the pipeline installed on the upper portion through the fine tuning device 7; the two transverse positioning connection plates 75 are arranged at the bottom of the rectangular frame body 61 in the pipeline bracket 6, the two door-shaped positioning frames 71 on the fine adjustment device 7 are arranged at four corners of the pipeline well 91 on the floor 9 to be lifted in pairs, the bottom ends of lifting hooks 74 in the fine adjustment device 7 are hooked with the transverse positioning connection plates 75, the moving height of the transverse positioning connection plates 75 can be adjusted by adjusting the lifting height of the jack 73, and then the prefabricated combined pipeline 4 is lifted and finely adjusted, so that the prefabricated combined pipeline 4 is contacted with the pipeline with the installed upper part.
And step six, dismantling the movable double-rope hoisting equipment 1, the hoisting fixing device 3 and the detachable hoisting support 2.
Step seven, installing a crosspiece base 8; the positioning bottom plate 81 of the crosspiece base 8 is fixed with the bottom end of the floor 9 to be lifted, the top end of the rectangular positioning block 82 is fixed with the transverse positioning connecting plate 75, and the four crosspiece bases 8 are respectively fixed to four corners of the pipe well 91 on the floor 9 to be lifted.
And step eight, removing the fine adjustment device 7.
Step nine, welding the prefabricated combined pipeline 4 and the pipeline with the upper part installed; the welding operation can be performed by performing a phenomenon welding when the fine adjustment device 7 is removed, or by performing a welding operation after the installation of the plurality of prefabricated composite pipes 4 in the entire floor is completed.
If the prefabricated combined pipeline 4 and the pipeline installed on the upper portion are connected through flanges, the prefabricated combined pipeline 4 and the pipeline installed on the upper portion are installed and connected through flanges.
Compared with the existing pipeline hoisting mode, the hoisting operation of the pipeline can be carried out from top to bottom, the double-strand steel wire ropes are adopted for hoisting, the hoisting stability is improved, at least two pipelines can be hoisted at one time, the fine tuning device is arranged to ensure that the gap between the upper pipeline and the lower pipeline is smaller during welding, and the crosspiece base arranged at the bottom of the pipeline support after fine tuning is finished can well and effectively position the hoisted pipeline, so that the welding time of the pipeline is very free and is not limited to the welding of a hoisting site.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (9)
1. A hoisting device for indoor hoist and mount of prefabricated combination pipeline, its characterized in that: the device comprises a movable double-rope hoisting device (1) arranged above a floor (9) to be hoisted and positioned beside a pipeline well (91), two steel wire ropes (10) connected to the movable double-rope hoisting device (1) and a prefabricated combined pipeline (4) which is stably hoisted by the double ropes under the action of the movable double-rope hoisting device (1), wherein the prefabricated combined pipeline (4) is clamped and arranged on a pipeline bracket (6), the pipeline bracket (6) is connected with a hoisting fixing device (3) which is connected with the two steel wire ropes (10) and is used for fixing the pipeline bracket (6), and one end of the movable double-rope hoisting device (1) is connected with a detachable hoisting bracket (2) with the bottom end fixed to the floor (9) to be hoisted; the movable double-rope hoisting equipment (1) and the detachable hoisting support (2) are provided with pulley assemblies (5) for changing the hoisting direction of the steel wire ropes (10) to the prefabricated combined pipeline (4); the four corners of the pipeline well (91) are respectively provided with a fine tuning device (7) with fixed ends fixed on floors (9) to be lifted and movable ends connected with the pipeline support (6) and used for carrying out fine tuning operation on the pipeline support (6) and the prefabricated combined pipeline (4) after the lifting operation of the movable double-rope lifting device (1) is finished, the four corners of the pipeline well (91) are also provided with a crosspiece base (8) with one ends fixedly connected with the floors (9) to be lifted and the other ends fixedly connected with the pipeline support (6) and used for positioning the prefabricated combined pipeline (4) after the fine tuning operation is finished; the pipeline bracket (6) comprises a rectangular frame body (61) with the shape smaller than that of the pipeline well (91), at least two rectangular holes (611) are formed in the rectangular frame body (61), and clamping positioning rings (62) which are corresponding to the rectangular holes (611) in number and used for fastening and clamping the prefabricated combined pipeline (4) are fixedly arranged on the rectangular frame body (61); the clamping positioning ring (62) comprises a plurality of arc plates (621) which are fixedly arranged on the top end face of the rectangular frame body (61) in a segmented mode, the arc plates (621) are surrounded to form through holes for clamping the pipelines in the prefabricated combined pipeline (4), and reinforcing plates (622) are arranged at the joint of the arc plates (621) and the rectangular frame body (61).
2. A lifting device for indoor hoisting of prefabricated composite pipelines according to claim 1, characterized in that: the movable double-rope hoisting equipment (1) comprises a movable trolley (11) arranged above a floor (9) to be hoisted, a winch positioning bracket (12) fixedly arranged above the movable trolley (11), a winch positioning plate (15) fixedly arranged above the winch positioning bracket (12) and a winch (16) fixedly arranged above the winch positioning plate (15);
the movable trolley (11) comprises a movable bottom plate (111), rollers (112) arranged at the bottom end of the movable bottom plate (111) and a pushing bracket (113) arranged at one side of the movable bottom plate (111);
the winch positioning support (12) is fixedly arranged on the movable bottom plate (111), two vertical fixing plates (13) are arranged on the movable bottom plate (111), a transverse side plate (14) is fixedly connected between the two vertical fixing plates (13), and a wire rope penetrating hole (141) for enabling two wire ropes (10) to penetrate is formed in the transverse side plate (14).
3. A lifting device for indoor hoisting of prefabricated composite pipelines according to claim 2, characterized in that: the winch (16) comprises a motor (161) arranged on the winch positioning plate (15), a rotating shaft arranged on the winch positioning plate (15) through a bearing and a connecting structure arranged between the motor (161) and the rotating shaft, wherein a first winding drum (162) and a second winding drum (163) which are respectively connected with two steel wire ropes (10) are fixedly arranged on the rotating shaft.
4. A lifting device for indoor hoisting of prefabricated composite pipelines according to claim 2, characterized in that: the detachable hoisting support (2) comprises a detachable connecting frame (21) fixedly connected with the transverse side plate (14) and a hoisting fixing frame body (22) which is connected with the detachable connecting frame (21) and is arranged on a floor (9) to be hoisted in a bottom fixing mode.
5. A lifting device for indoor lifting of prefabricated composite pipes as claimed in claim 4, wherein: the pulley assembly (5) comprises two first fixed pulleys (51) transversely arranged on the transverse side plates (14), a second fixed pulley (52) transversely fixedly arranged on the detachable connecting frame (21) and a third fixed pulley (53) vertically fixedly arranged on the lifting fixed frame body (22).
6. A lifting device for indoor hoisting of prefabricated composite pipelines according to claim 1, characterized in that: the hoisting fixing device (3) comprises four door-shaped fixing plates (31) fixedly arranged at four corners of a rectangular frame body (61), a positioning hook (33) and two fork-shaped connecting ropes (32) are respectively arranged above the four door-shaped fixing plates (31), each fork-shaped connecting rope (32) is respectively connected and arranged on the two positioning hooks (33), and a steel wire rope connecting hook (34) connected with the steel wire rope (10) is arranged at a node of each fork-shaped connecting rope (32).
7. A lifting device for indoor hoisting of prefabricated composite pipelines according to claim 1, characterized in that: the fine adjustment device (7) comprises two 'door' -shaped positioning frames (71) with the bottom ends fixedly arranged on a floor (9) to be lifted, jack positioning plates (72) are fixedly arranged at the top ends of the two 'door' -shaped positioning frames (71), jacks (73) are fixedly arranged on the jack positioning plates (72), and lifting hooks (74) are fixedly connected with telescopic ends of the jacks (73); the lifting hook (74) comprises a top plate fixedly connected with the telescopic end of the jack (73), a side plate fixed with the top plate and an L-shaped plate fixed with the top plate, and a transverse positioning connecting plate (75) fixed with the bottom end of the pipeline bracket (6) is hooked and connected with the L-shaped plate.
8. A lifting device for indoor lifting of prefabricated composite pipes as claimed in claim 7, wherein: the crosspiece base (8) comprises a positioning bottom plate (81) with the bottom end fixed on a floor (9) to be lifted and a rectangular positioning block (82) which is fixedly arranged on the positioning bottom plate (81) and the top end of which is fixed with the bottom end of the transverse positioning connecting plate (75).
9. The hoisting method of the hoisting device for indoor hoisting of the prefabricated combined pipeline is characterized by comprising the following specific hoisting steps of:
step one, assembling a prefabricated combined pipeline (4) and a pipeline bracket (6); at least two pipelines in the prefabricated combined pipeline (4) are arranged in parallel, and the pipelines in the prefabricated combined pipeline (4) are respectively clamped and arranged in the clamping positioning ring (62); if the length of the prefabricated combined pipeline (4) is too long, a plurality of pipeline brackets (6) are clamped in the middle of the prefabricated combined pipeline (4), and the distance between two adjacent pipeline brackets (6) is equal to the height between two floors;
step two, assembling the pipeline bracket (6) and the hoisting fixing device (3); four door-shaped fixing plates (31) are respectively and fixedly arranged at four corners of a rectangular frame body (61), and two fork-shaped connecting ropes (32) are respectively connected with positioning hooks (33);
step three, two steel wire ropes (10) are respectively connected with a winch (16) and a hoisting fixing device (3); one ends of two steel wire ropes (10) are respectively and fixedly wound on a first winding drum (162) and a second winding drum (163), after the two steel wire ropes (10) bypass a first fixed pulley (51), a second fixed pulley (52) and a third fixed pulley (53), the directions of the steel wire ropes (10) are vertical directions and pass through a pipeline well (91) on a floor (9) to be lifted, and the other ends of the two steel wire ropes (10) are respectively connected with a steel wire rope connecting hook (34) arranged at a node of a fork-shaped connecting rope (32);
step four, hoisting operation is carried out on the prefabricated combined pipeline (4) by the movable double-rope hoisting equipment (1); the motor (161) in the winch (16) drives the rotating shaft to rotate, so as to drive the first winding drum (162) and the second winding drum (163) to synchronously run, so that winding and retracting of the steel wire rope (10) are realized, and then the hoisting fixing device (3) connected with the steel wire rope (10), the pipeline bracket (6) connected with the hoisting fixing device (3) and the prefabricated combined pipeline (4) clamped on the pipeline bracket (6) are driven to rise upwards, when the prefabricated combined pipeline is moved to be close to the position of the pipeline installed on the upper part, hoisting is stopped, a certain gap is reserved between the prefabricated combined pipeline (4) and the pipeline installed on the upper part, and a certain distance is reserved between the gap between the prefabricated combined pipeline (4) and the pipeline installed on the upper part and the upper surface of a floor (9) to be hoisted;
installing a fine adjustment device (7), and carrying out fine adjustment operation on the prefabricated combined pipeline (4) and the pipeline installed on the upper portion through the fine adjustment device (7); two transverse positioning connection plates (75) are arranged at the bottom of a rectangular frame body (61) in a pipeline bracket (6), two door-shaped positioning frames (71) on a fine adjustment device (7) are arranged at four corners of a pipeline well (91) on a floor (9) to be lifted in pairs, the bottom ends of lifting hooks (74) in the fine adjustment device (7) are hooked with the transverse positioning connection plates (75), the moving height of the transverse positioning connection plates (75) can be adjusted by adjusting the lifting height of a jack (73), and then the prefabricated combined pipeline (4) is lifted and fine adjusted, so that the prefabricated combined pipeline (4) is contacted with the pipeline arranged on the upper part;
step six, dismantling the movable double-rope hoisting equipment (1), the hoisting fixing device (3) and the detachable hoisting bracket (2);
step seven, installing a crosspiece base (8); fixing a positioning bottom plate (81) of the crosspiece base (8) with the bottom end of a floor (9) to be lifted, fixing the top end of a rectangular positioning block (82) with a transverse positioning connecting plate (75), and respectively fixing the four crosspiece bases (8) to four corners of a pipeline well (91) on the floor (9) to be lifted;
step eight, removing the fine adjustment device (7);
step nine, welding the prefabricated combined pipeline (4) and the pipeline with the upper part installed; the welding operation can be performed when the fine adjustment device (7) is removed, and the welding operation can be performed after the installation of the plurality of prefabricated combined pipelines (4) in the whole building layer is completed.
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| CN113356604A (en) * | 2021-06-21 | 2021-09-07 | 中建二局第一建筑工程有限公司 | Self-climbing type intelligent unloading platform for multi-storey building construction |
| CN113245784B (en) * | 2021-06-29 | 2021-11-02 | 中建五局安装工程有限公司 | Pipe cage pipeline welding construction method |
| CN114933231B (en) * | 2022-04-08 | 2023-07-04 | 上海市安装工程集团有限公司 | Calandria bundle hoisting tool and construction method thereof |
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