CN215828096U - Self-lifting hoisting equipment and sliding locking assembly - Google Patents
Self-lifting hoisting equipment and sliding locking assembly Download PDFInfo
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- CN215828096U CN215828096U CN202120045086.5U CN202120045086U CN215828096U CN 215828096 U CN215828096 U CN 215828096U CN 202120045086 U CN202120045086 U CN 202120045086U CN 215828096 U CN215828096 U CN 215828096U
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Abstract
The utility model discloses self-lifting hoisting equipment which comprises a power base, a tower frame, a suspension arm platform, a sliding locking assembly, a plurality of steel wire ropes and a control system, wherein the power base is fixedly connected with the tower frame; the tower frame is used for vertically supporting the whole equipment, the lower part of the tower frame is provided with a self-lifting winch, and the upper part and the lower part of the tower frame are respectively connected with the suspension arm platform and the power base through rotary supports; the sliding locking assembly is used for connecting the tower frame and the elevator shaft; the control system can control the lifting of the lifting hook, the pitching movement of the main boom, the lifting and lowering of the equipment, the horizontal rotation of the power base and boom platform, and the fixing and releasing of the tower and the elevator shaft. The device of the utility model fully utilizes the elevator shaft as a supporting structure, and has the characteristics of small volume, light weight, simple structure, convenience, flexibility, small operation range, easy carrying and installation and the like; the equipment is adopted for construction, so that the construction interference is reduced, the construction safety is improved, and the development trend of building industrialization and assembly is met.
Description
Technical Field
The utility model relates to installation equipment of an assembly type building structure, in particular to equipment for constructing an existing multi-storey building with an additional elevator shaft, which is prefabricated in a standardized manner in a factory and assembled in a segmented manner on site.
Background
China has become the world with the largest population of the elderly, and the problem of social aging is very severe. However, in urban residences in China, a large number of multi-storey residences in the eighties and ninety years of the 20 th century are built, and elevators are not configured under the limitation of the economic development level, the construction standard and the related building specifications at the time. With the aging problem of the population in China becoming more and more serious, the aging-adaptive reconstruction of the existing multi-storey residential building by additionally arranging the elevators is imperative.
In recent years, a great deal of engineering improvement practices have been developed in Guangdong, Shanghai, Beijing, Fuzhou, Hangzhou and other places, and better social effects are achieved. Meanwhile, the improvement of old urban districts is promoted to be used as a civil engineering for improving the living conditions of the masses, and the addition of elevators in multi-storey houses of the old districts is encouraged.
At present, the existing multi-storey building is provided with the elevator in the related technology, and most of the existing multi-storey building adopts the construction mode of factory integral prefabrication and field integral hoisting. Although the field integral hoisting construction can be completed by using a general large crane, the distance between the existing buildings is limited due to the narrow road inside the field, and large transport vehicles and hoisting machinery are difficult to enter due to the interference of surrounding trees, street lamps and the like. Even if the movable type building block can be close to a construction site, the space of operation is limited, safety measures cannot be guaranteed, great potential safety hazards exist, and interference to residents is large. Therefore, a special small-sized hoisting device for hoisting construction of elevator engineering is urgently needed for the existing multi-story building.
In the prior art, for example, patent document No. CN107215749A discloses an elevator shaft structure and a lifting method, and proposes a construction method of sectional lifting on site by using factory integral prefabrication. However, the adopted lifting equipment is installed on the side edge of the lower-layer structure frame, so that not only is the lifting track of the equipment installed independently, the equipment vertically moves up and down and moves along the preset track, but also the lifting equipment needs to be lifted to a new height after lifting at each time to complete the next lifting operation, and the lifting operation at each time needs to complete the movement in the vertical direction and the horizontal direction, so that the operation links are multiple, and the technology is complex.
SUMMERY OF THE UTILITY MODEL
The utility model provides self-lifting hoisting equipment suitable for assembly type additional elevator construction, aiming at the problems of long construction period, limited construction site space, large interference to residents, potential safety hazards, multiple operation links, complex technology and the like in the existing multi-storey building assembly type additional elevator shaft project. The equipment is small in size, light in weight, simple in structure, convenient, flexible, small in operation range, easy to carry and install, small in occupied space and short in construction period, small in interference to residents, convenient, safe and rapid when being used for hoisting construction of the elevator shaft.
In order to solve the technical problems, the self-lifting hoisting equipment provided by the utility model is suitable for the construction of an assembled additional elevator, and the related elevator well structure comprises a reinforced concrete foundation, an elevator well, a floor slab and a roof; the elevator hoistway comprises a steel structure and a light curtain wall, wherein the steel structure comprises N standard layer structure units, a first layer structure unit and a top layer structure unit; the self-lifting hoisting equipment comprises a power base, a tower frame, a suspension arm platform, a sliding locking assembly, a main hoisting steel wire rope, a suspension arm control steel wire rope, a self-lifting steel wire rope and a control system;
the power base comprises a main suspension arm winch, a suspension arm control winch and a lower rotary support which are fixed on a base chassis;
the tower is used for vertical support of the whole equipment and is a triangular prism space truss structure consisting of three vertical support rods and a plurality of horizontal and inclined support rods, and two of the three vertical support rods are vertical guide rails for realizing up-and-down movement of the whole equipment; the lower part of the tower is provided with a self-lifting winch;
the suspension arm platform comprises a suspension arm base, a main suspension arm, an inclined support, a tie bar, a first pulley block and a second pulley block; the top of the tower frame is connected with the suspension arm base through an upper rotary support, and the bottom of the tower frame is connected with the base chassis through a lower rotary support;
the sliding locking assembly is used for connecting the tower frame with a structural unit of an elevator shaft; the sliding locking assembly comprises a fixed clamping piece, a rail clamping piece, a bearing clamping piece, a rail clamping piece limiting bolt, a bearing clamping piece limiting bolt and other related accessories; every two fixed clamping pieces are arranged in a group and are pre-installed on a ring beam of an elevator shaft on one corresponding hoisting construction side and a cross beam of each layer of structural unit, and a rail clamping piece clamping groove and a bearing clamping piece clamping groove are formed in a main body of each fixed clamping piece; each rail clamping piece corresponds to one fixed clamping piece, one end of each rail clamping piece is clamped into a rail clamping piece clamping groove on each fixed clamping piece, the rail clamping pieces and the corresponding fixed clamping pieces are fixed through rail clamping piece limiting bolts, and the other ends of the rail clamping pieces are connected with the outer sides of the vertical guide rails of the tower in a sliding mode; the bearing clamping piece comprises a lock body and a lock tongue; the lock body is fixed on the inner side of a vertical guide rail of the tower frame, an electric device is arranged in the lock body and used for controlling the bolt to extend out and retract, the bolt is occluded and connected with the clamping groove of the bearing clamping piece when extending out, and the bearing clamping piece is fixed with the corresponding fixed clamping piece by using a bearing clamping piece limiting bolt; the bearing clamping pieces are divided into an upper group and a lower group according to positions, the upper group of bearing clamping pieces are fixed in the middle of the two vertical guide rails and are connected with the fixed clamping pieces on the upper-layer structure unit cross beam, and the lower group of bearing clamping pieces are positioned at the lower parts of the two vertical guide rails and are connected with the fixed clamping pieces on the lower-layer structure unit cross beam; in order to adapt to the heights of different structural units, the lower group of bearing clamping pieces can be fixed with the vertical guide rail of the tower after being adjusted to be in the upper and lower positions along the vertical guide rail;
the control system is a system platform for controlling the motion of the whole equipment, and the functions of the control system are as follows:
the lifting of the lifting hook is realized by controlling the main suspension arm winch to drive the main suspension wire rope to be wound and unwound; the lifting arm control winch is controlled to drive the lifting arm to control the winding and unwinding of the steel wire rope, so that the pitching motion of the main lifting arm is realized; the self-lifting winch is controlled to drive the self-lifting steel wire rope to be wound and unwound, so that the lifting and descending of the whole equipment are realized; the horizontal rotation of the power base and the suspension arm platform is realized by controlling the lower rotary support and the upper rotary support; the electric device in the lock body of the bearing clamping piece is controlled to drive the bolt to extend and retract, so that the tower and the structural unit of the elevator shaft are fixed and separated.
Further, the self-lifting hoisting equipment of the utility model comprises:
the upper rotary support and the lower rotary support have the same structure and respectively comprise a fixed disc and a rotary disc; the fixed disks of the upper rotary support and the lower rotary support are respectively fixed with the top and the bottom of the tower; the rotary discs of the upper rotary support and the lower rotary support are fixedly connected with the suspension arm base and the base chassis respectively; in the process of hoisting operation, the rotation direction, the angle and the speed of the suspension arm platform and the power base are synchronous.
The cross section of the lock tongue along the extension direction is a pentagon with a pointed angle facing, the front end and the bottom surface are both inclined planes, and the middle part is provided with a limiting groove; the cross section form of the clamping groove of the bearing clamping piece is the same as that of the lock tongue, the position and the form of the limiting groove on the bottom surface of the lock tongue are completely matched with those of the limiting protrusion, and the accurate positions of the bearing clamping piece and the fixed clamping piece are automatically found in the process of connecting the bearing clamping piece and the fixed clamping piece after the equipment is lifted to the height of the last structural unit through the occlusion relation between the inclined surface of the bottom surface of the lock tongue and the limiting groove and the bottom surface of the clamping groove of the bearing clamping piece and the inclined surface of the limiting protrusion.
A rack is fixed on the lower portion of the vertical guide rail of the tower, a gear meshed with the rack is installed inside a lock body of a group of bearing clamping pieces positioned on the lower portion of the tower, the bearing clamping pieces are driven to move up and down along the rack by controlling the rotation of the gear, and when the group of bearing clamping pieces correspond to the fixing clamping pieces on the cross beam of the lower-layer structural unit in position, the gear is locked to fix the position of the bearing clamping pieces.
The bottom end of the main suspension arm is rotatably connected with the suspension arm base through a supporting rotating shaft; the bottom end of the inclined support is welded with the suspension arm base; the fixed pulley of the first pulley block is mounted at the top end of the inclined support, the fixed pulley of the second pulley block is mounted at the top end of the main suspension arm, and a lifting hook is fixed on the movable pulley of the second pulley block; the top end of the main suspension arm is connected with one end of the tie bar through a hinge, and the other end of the tie bar is connected with the movable pulley of the first pulley block; and a fixed pulley is arranged at the bottom of the main suspension arm, and the diameter specification of the fixed pulley is the same as that of the fixed pulley of the second pulley block, so that the lifting hook of the main suspension arm and the movable pulley of the second pulley block are in a relatively static state in the pitching motion process.
Meanwhile, the utility model also provides a sliding locking assembly suitable for connection between the self-lifting equipment and the main building. The self-lifting equipment is provided with at least two vertical guide rails, and the sliding locking assembly comprises a plurality of fixed clamping pieces, rail clamping pieces and bearing clamping pieces; the fixed clamping piece is fixed on a structural beam of the main building, and a track clamping piece clamping groove and a bearing clamping piece clamping groove are formed in the fixed clamping piece; the rail clamping pieces correspond to the fixed clamping pieces one by one, one end of each rail clamping piece is clamped into a rail clamping piece clamping groove of the fixed clamping piece, the rail clamping pieces and the corresponding fixed clamping pieces are fixed through rail clamping piece limiting bolts, and the other end of each rail clamping piece is in sliding connection with a vertical guide rail on the self-lifting equipment; the bearing clamping piece comprises a lock body and a lock tongue; the lock body is fixed on self-lifting equipment, an electric device for controlling the spring bolt to extend out and retract is arranged in the lock body, the spring bolt is occluded and connected with the clamping groove of the bearing clamping piece when extending out, and the bearing clamping piece is fixed with the corresponding fixed clamping piece by using a bearing clamping piece limiting bolt; the bearing clamping pieces are divided into an upper group and a lower group according to positions, the number of each group is the same as that of the vertical guide rails on the self-lifting equipment, the upper group of bearing clamping pieces are connected with the fixed clamping pieces on the upper-layer structural beam of the main building, and the lower group of bearing clamping pieces are connected with the fixed clamping pieces on the lower-layer structural beam of the main building; the position of a group of bearing clamping pieces below can be adjusted up and down along the vertical guide rail, and when the position of the group of bearing clamping pieces is adjusted to correspond to the fixed clamping pieces on the lower structure beam of the main building, the position of the group of bearing clamping pieces below is fixed.
Compared with the prior art, the utility model has the beneficial effects that:
because the elevator shaft with the finished lower part is used as a supporting structure, the equipment self lifts layer by layer along with the construction progress, an independent supporting structure and a huge suspension arm are not needed, and the volume and the weight of the equipment are greatly reduced.
The equipment is only arranged on one side of the elevator shaft, so that other fields are not required to be occupied, the size and the operation range of the suspension arm are small, the interference to the daily life of residents is greatly reduced, and the construction safety is improved.
The equipment is divided into a plurality of relatively independent parts with smaller weight and specification, and the power platform part with larger weight is placed at the lowest part of the equipment, so that the equipment is convenient to transport and assemble on site.
The device adopts a structure that the upper and lower rotary supports synchronously rotate, so that the main suspension arm can horizontally rotate for 180 degrees, and the flexibility and the adaptability of the device are improved.
The sliding locking assembly provided by the utility model can realize the static and fixed state of the rail clamping piece, and the vertical supporting rod of the self-lifting equipment is used as the vertical guide rail to vertically move, so that the rail does not need to be additionally and independently installed on a main building, the equipment structure is simplified, and the equipment weight is reduced.
In a word, the equipment has the characteristics of small volume, light weight, simple structure, simple and convenient operation, high automation degree, easy carrying and installation, small operation space range and the like. The equipment is adopted for construction, so that the practical problems that large transportation and hoisting vehicles are difficult to enter due to the narrow road in the old community, and large hoisting machinery is used for construction due to the narrow space and complex environment in the old community, the interference in the site is large, the interference to residents and surrounding buildings is large, potential safety hazards exist and the like are solved; the construction method is more beneficial to improving the construction efficiency, shortening the field construction period, saving the labor cost, improving the construction precision, ensuring the construction quality and safety, reducing the interference to the daily life of residents, and meeting the development trend of building industrialization, standardization and assembly.
Drawings
Fig. 1-1 is a schematic perspective view of the present invention for use in a fabricated add-on elevator hoistway structure;
FIG. 1-2 is a side view of the structure shown in FIG. 1-1;
FIG. 2-1 is a schematic perspective view of the lifting apparatus of the present invention;
figure 2-2 is a schematic perspective view of the lifting device of figure 2-1 from another perspective;
2-3 are schematic perspective views of a further perspective view of the lifting device shown in FIG. 2-1;
fig. 3-1 is a first schematic view of the position relationship of the lifting device and the structural unit frame of the elevator shaft;
fig. 3-2 is a second schematic view of the positional relationship of the lifting device and the structural unit frame of the elevator hoistway;
FIG. 4-1 is a schematic view of the lower structure of the hoisting apparatus of the present invention;
fig. 4-2 is a schematic view of the fixed relationship between the lifting apparatus of the present invention and the structural unit cross-beam of the hoistway;
FIG. 5-1 is a schematic view of the upper structure of the hoisting device of the present invention;
FIG. 5-2 is a schematic structural view of the boom platform of the present invention;
FIG. 6-1 is an exploded view of the slide lock assembly of the present invention;
FIG. 6-2 is an exploded view of the slide lock assembly of the present invention;
fig. 6-3 are schematic views of the position relationship of the lower tower slide locking assembly and the cross beam of the hoistway structural unit in accordance with the present invention;
FIGS. 6-4 are exploded views of the lower tower slide locking assembly of the present invention;
figures 7-1 to 7-8 are exploded views of steps of construction using the lifting apparatus of the present invention.
In the figure:
10-reinforced concrete foundation 20-elevator shaft 21-first-floor structural unit
22-standard layer structure unit 23-top layer structure unit 30-floor slab
40-roof 51-power foundation 511-foundation chassis
512-main boom winch 513-boom control winch 514-lower slewing support
52-tower 52A-vertical guide rail 52B-vertical support rod
52C-horizontal support bar 52D-inclined support bar 521-lower tower
522-self-lifting winch 523-upper-section tower 524-upper rotary support
53-boom platform 531-boom base 532-main boom
532A-support rotating shaft 532B-second pulley block 532C-fixed pulley
532D-tied steel bar 533-inclined support 533A-first pulley block
54-sliding locking component 541-fixed clamping piece 541A-rail clamping piece clamping groove
541B-bearing clamp groove 542-track clamp 542A-track clamp groove
542B-track fastener limiting bolt 543-bearing fastener 543A-lock tongue
543B-lock body 543C-bearing fastener limiting bolt 543D-rack
543E-lifting rotary disk 543F-locking rotary disk
Detailed Description
The utility model will be further described with reference to the following figures and specific examples, which are not intended to limit the utility model in any way.
As shown in fig. 1-1 and fig. 1-2, the self-lifting hoisting device suitable for assembly type additional elevator construction provided by the utility model relates to an elevator shaft structure and elevator devices, which comprise a reinforced concrete foundation 10, an elevator shaft 20, a floor slab 30 and a roof 40; the elevator hoistway 20 includes a steel structure including N standard floor structure units 22, a first floor structure unit 21, and a top floor structure unit 23, and a lightweight curtain wall.
As shown in fig. 2-1, 2-2, and 2-3, the self-hoisting apparatus for assembly-type external elevator construction according to the present invention includes a power base 51, a tower 52, a boom platform 53, a sliding locking assembly 54, a main hoisting cable, a boom control cable, a self-hoisting cable, and a control system.
As shown in fig. 4-1 and 4-2, the powered base 51 includes a main boom winch 512, a boom control winch 513 and a lower slewing support 514 secured to a base chassis 511.
As shown in fig. 2-1, 2-2, and 2-3, the tower 52 is used for vertically supporting the whole device, the tower 52 is a triangular prism space truss structure composed of three vertical support rods and a plurality of horizontal and inclined support rods, and two of the three vertical support rods are vertical guide rails 52A for the whole device to move up and down during self-lifting operation. In this embodiment, the tower 52 is a triangular prism space truss structure composed of two vertical guide rails 52A, one vertical support rod 52B, a plurality of horizontal support rods 52C, and an inclined support rod 52D; the tower 52 is composed of a lower section tower 521 and an upper section tower 523 which have the same structure, and the top of the lower section tower 521 is fixedly connected with the bottom of the upper section tower 523 through bolts. The lower part of the tower 52 is provided with a self-hoisting winch 522.
As shown in fig. 5-1 and 5-2, the boom platform 53 includes a boom base 531, a main boom 532, a tilt support 533, a tie bar 532D, a first pulley block 533A, and a second pulley block 532B.
As shown in fig. 5-1 and 4-2, the top of the tower 52 is connected to the boom base 531 via an upper swing support 524, and the bottom of the tower 52 is connected to the base chassis 511 via the lower swing support 514. The upper rotary support 524 and the lower rotary support 514 have the same structure and comprise a fixed disc and a rotary disc; the fixed disks of the upper slewing support 524 and the lower slewing support 514 are fixed with the top and the bottom of the tower 52 respectively; the rotary discs of the upper rotary support 524 and the lower rotary support 514 are fixedly connected with the suspension arm base 531 and the base chassis 511 respectively; in the process of hoisting operation, the rotation direction, angle and speed of the boom platform 53 and the power base 51 are completely synchronous.
As shown in fig. 5-1 and 5-2, the bottom end of the main boom 532 is rotatably connected to the boom base 531 via a support rotating shaft 532A; the bottom end of the inclined support 533 is welded with the suspension arm base 531; the fixed pulley of the first pulley block 533A is mounted at the top end of the inclined support 533, the fixed pulley of the second pulley block 532B is mounted at the top end of the main boom 532, and a hook is fixed on the movable pulley of the second pulley block 532B; the top end of the main boom 532 is connected with one end of the tied steel bar 532D through a hinge, and the other end of the tied steel bar 532D is connected with the movable pulley of the first pulley block 533A; the fixed pulley 532C is installed at the bottom of the main boom 532, and the diameter specification of the fixed pulley 532C is the same as that of the fixed pulley of the second pulley block 533B, so as to ensure that the hook of the main boom 532 and the movable pulley of the second pulley block 533B are in a relatively static state in the pitching motion process.
As shown in fig. 3-1 and 3-2, one end of the self-hoisting rope is fixed to a cross beam of the elevator hoistway structural unit, and the other end is connected to the self-hoisting winch 522; after the hoisting and fixing of the upper layer of elevator hoistway structural unit is completed, the self-hoisting steel wire rope is detached from the cross beam of the layer of structural unit and is fixed on the cross beam of the upper layer of elevator hoistway structural unit again, and then the self-hoisting winch 522 is driven to hoist the whole equipment to the height of the upper layer of elevator hoistway structural unit.
As shown in fig. 5-1, 2-2 and 2-3, one end of the boom control wire rope is fixed to the fixed pulley of the first pulley block 533A, and the other end of the boom control wire rope is connected to the boom control winch 513 after bypassing the first pulley block 533A.
As shown in fig. 2-1, 2-2 and 2-3, one end of the main hoist cable is fixed to the fixed pulley of the second pulley block 532B, and the other end of the main hoist cable sequentially bypasses the second pulley block 532B and the fixed pulley 532C at the bottom of the main boom 532 and then is connected to the main boom winch 512.
In the device of the utility model, the sliding locking assembly 54 is used for connecting the tower 52 with the structural unit of the elevator shaft, and the sliding locking assembly 54 comprises a fixed fastener 541, a rail fastener 542 and a bearing fastener 543; as shown in fig. 3-1, 3-2, 4-2, and 6-3, two fixed clamps 541, one set of two fixed clamps, are pre-installed on a ring beam of an elevator shaft on a corresponding hoisting construction side and a cross beam of each layer of structural unit, and a rail clamp slot 541A and a bearing clamp slot 541B are arranged on a main body of the fixed clamps 541; each rail clamping piece 542 corresponds to one fixed clamping piece 541, one end of each rail clamping piece 542 is clamped into a rail clamping piece clamping groove 541A on the fixed clamping piece 541, the rail clamping piece 542 and the fixed clamping piece 541 are fixed through a rail clamping piece limiting bolt 542B, and the other end of each rail clamping piece 542 is in sliding connection with the outer side of the vertical guide rail 52A of the tower 52.
The bearing clamping piece 543 comprises a lock body 543B and a bolt 543A; the lock body 543B is fixed on the inner side of a vertical guide rail 52A of the tower 52, an electric device is arranged in the lock body 543B to control the bolt 543A to extend and retract, the bolt 543A is connected with the bearing fastener clamping groove 541B in an occlusion manner when extending, and the bearing fastener 543 and the fixing fastener 541 are fixed by a bearing fastener limit bolt 543C. As shown in fig. 3-1 and 3-2, the two bearing blocks 543 are divided into two groups, each group is divided into an upper group and a lower group according to positions, the upper group of bearing blocks 543 are fixed in the middle of the two vertical guide rails 52A and are connected with the fixing blocks 541 on the upper-layer structural unit cross beam, as shown in fig. 4-1, 4-2, 6-3 and 6-4, the lower group of bearing blocks 543 are located at the lower parts of the two vertical guide rails 52A and are connected with the fixing blocks 541 on the lower-layer structural unit cross beam; in order to adapt to the heights of different structural units, the lower group of bearing clamping pieces 543 can be adjusted to be in the upper position and the lower position along the vertical guide rail and then fixed with the vertical guide rail 52A of the tower 52, and the specific structure of the structure is that a rack 543D is fixed at the lower part of the vertical guide rail, a gear meshed with the rack 543D is arranged inside a lock body 543B of the group of bearing clamping pieces 543 at the lower part of the tower 52, the gear is controlled to rotate through a lifting rotary disc 543E, the bearing clamping pieces 543 are driven to move up and down along the rack 543D, and when the group of bearing clamping pieces 543 correspond to the positions of the fixed clamping pieces 541 on the lower-layer structural unit cross beam, the gear is locked through the locking rotary disc 543F, so that the positions of the bearing clamping pieces 543 are fixed and meanwhile connected with the fixed clamping pieces 541 on the lower-layer structural unit cross beam.
As shown in fig. 6-1, 6-2, 6-3 and 6-4, in the present invention, the latch 543A of the bearing clip 543 is in an engaged state with the bearing clip groove 541B when it is extended; the cross section of the lock tongue 543A in the extension direction is a pentagon with a pointed angle facing, the front end and the bottom surface are both inclined planes, and the middle part is provided with a limiting groove; the cross section form of the bearing clamping piece clamping groove 541B is the same as that of the spring bolt 543A, the bottom of the bearing clamping piece clamping groove 541B is provided with a limiting projection which is completely matched with the position and form of a limiting groove on the bottom surface of the spring bolt 543A, and the inclined surfaces of the spring bolt 543A and the limiting groove and the bottom surface of the bearing clamping piece clamping groove 541B are meshed with the inclined surface of the limiting projection, so that after the equipment is lifted to the height of the last structural unit, the bearing clamping piece 543 and the fixed clamping piece 541 can automatically find out accurate positions.
The embodiment of the sliding locking assembly provided by the utility model is the same as the application of the sliding locking assembly in the equipment, and the details are not repeated herein, and the sliding locking assembly provided by the utility model is suitable for self-lifting hoisting equipment with at least two vertical guide rails so as to realize the sliding connection between the equipment and a main building.
In the utility model, the control system is a system platform for controlling the motion of the whole equipment.
The construction method for the assembled additional elevator by using the self-lifting hoisting equipment comprises the steps of lifting the self-lifting hoisting equipment to a previous standard layer structure unit through the self-lifting mechanism after the hoisting construction of a certain standard layer structure unit of an elevator shaft is completed, and carrying out the hoisting construction of the previous layer structure unit until the hoisting construction of a top layer unit structure is completed. In the operation process, the control system is used for controlling the main suspension arm winch 512 to drive the main suspension wire rope to be wound and unwound so as to realize the lifting of the lifting hook; the main boom 532 moves up and down by controlling the boom control winch 513 to drive the boom to control the winding and unwinding of the steel wire rope; the self-lifting winch 522 is controlled to drive the self-lifting steel wire rope to be wound and unwound, so that the lifting and descending of the whole equipment are realized; the horizontal rotation of the base chassis 511 and the boom platform 53 is realized by controlling the lower slewing support 514 and the upper slewing support 524; the electric device in the lock body 543B of the bearing clamping piece 543 is controlled to drive the bolt 543A to extend and retract, and fixing and releasing between the tower 52 and the elevator shaft structural unit are achieved.
The specific process is as follows:
firstly, excavating a foundation pit, and making a reinforced concrete foundation 10 and an embedded connecting member; installing a steel structure in the first-floor structure unit 21 of the elevator shaft, and fixing two fixing fasteners 541 on the ring beam of the elevator shaft on the corresponding hoisting construction side and the cross beam of each floor structure unit in advance respectively, as shown in fig. 7-1.
Step two, installing the self-lifting hoisting equipment, in this embodiment, the tower 52 is composed of a lower tower 521 and an upper tower 523 connected to each other. On the ground on one side where the elevator shaft hoisting construction is planned to be carried out, sequentially connecting a power base 51, a lower-section tower 521, an upper-section tower 523 and a suspension arm platform 53 by bolts from bottom to top, erecting the connected equipment, and clamping a lock tongue 543A of a group of bearing clamping pieces 543 in a bearing clamping piece clamping groove 541B of a fixing clamping piece 541 which is pre-installed on a beam of a first-layer structural unit of the elevator shaft; the positions of a group of bearing clamping pieces 543 below are adjusted through a lifting rotary disc 543E, so that a lock tongue 543A is aligned and clamped into a bearing clamping piece clamping groove 541B of a fixed clamping piece 541 which is pre-installed on a loop beam of an elevator shaft, the bearing clamping piece 543 and a vertical guide rail 52A are fixed through a locking rotary disc 543F, and the bearing clamping piece 543 and the corresponding fixed clamping piece 541 are fixed through a bearing clamping piece limiting bolt 543C; the track clamping grooves 542A of the four track clamping pieces 542 are respectively used for clamping the outer side of the vertical guide rail 52A of the tower 52, the other end of the track clamping piece 542 is clamped into the track clamping piece clamping groove 541A, and the track clamping piece 542 is fixed with the corresponding fixed clamping piece 541 by the track clamping piece limiting bolt 542B. Installing a main suspension arm 532 on a suspension arm base 531, and installing a corresponding pulley block and a corresponding steel wire rope; the device is powered on and debugged as in fig. 7-2.
Step three, hoisting the two-layer structure unit, comprising: installing the double-layer structure unit 22 of the elevator hoistway on the ground, horizontally rotating the main boom 532 to a proper position by driving the power base 51 and the boom platform 53 to synchronously horizontally rotate, driving the boom control winch 513 to reduce the elevation angle of the main boom 532, driving the main boom winch 512 to reduce the main adjusting wire rope hook to a proper height, connecting the assembled double-layer structure unit with the main hook, driving the main boom winch 512 to vertically lift the double-layer structure unit 21 to a proper height, driving the boom control winch 513 to increase the elevation angle of the main boom 532, driving the lower slewing support 514 on the power base 51 and the upper slewing support 524 on the boom platform 53 to synchronously horizontally rotate, horizontally rotating the main boom 532 to a proper position, driving the main boom winch 512 to slowly lower the double-layer structure unit 22 until the position of the double-layer structure unit 22 is aligned with the first-layer structure unit 21, the bottom of the two-layer structure unit 22 is fixed with the top of the first-layer structure unit 21, as shown in fig. 7-3, fig. 7-4 and fig. 7-5.
Step four, the equipment self-lifting comprises the following steps: fixing two rail clamping pieces 542 on a fixing clamping piece 541 pre-installed on a top cross beam of the two-layer structure unit 22, clamping a vertical guide rail 52 of an upper tower 523, and fixing the rail clamping piece 542 with the corresponding fixing clamping piece 541 by using a rail clamping piece limiting bolt 542B; the self-hoisting rope is detached from the top cross member of the first floor structure unit 21, the self-hoisting winch 522 is reversely driven to release the self-hoisting rope, the self-lifting steel wire rope is fixed on the top cross beam of the two-layer structure unit 22 again, a bearing block limiting bolt 543C of a bearing block 543 connecting the top cross beam of the first-layer structure unit and the ground ring beam is released, the self-lifting winch 522 is positively driven, the self-lifting steel wire rope is retracted, the whole equipment is slowly lifted, a lock tongue 543A of the bearing block 543 is retracted, the whole equipment is continuously and stably lifted until the height of the lock tongue 543A of the upper group of bearing blocks 543 exceeds the top cross beam of the two-layer structure unit 22, the lock tongues 543A of the upper group of bearing blocks 543 extend out, the self-lifting winch 522 is reversely driven to slowly lower the whole equipment until the upper group of bearing blocks 543 completely clamp the fixed block 541 preassembled on the top cross beam of the two-layer structure unit 22; the positions of the lower group of bearing clamping pieces 543 are adjusted through the lifting rotary disc 543E, the lock tongues 543A of the lower group of bearing clamping pieces 543 extend out, the lock tongues 543A of the lower group of bearing clamping pieces 543 are completely clamped into the bearing clamping piece clamping grooves 541B of the fixed clamping pieces 541 pre-installed on the top cross beam of the first-floor structural unit 21 of the elevator shaft, the bearing clamping pieces 543 and the vertical guide rail 52A are fixed through the locking rotary disc 543F, the bearing clamping piece limiting bolts 543C are inserted, and the lower group of bearing clamping pieces 543 and the fixed clamping pieces 541 pre-installed on the top cross beam of the first-floor structural unit 21 of the elevator shaft are fixed, as shown in fig. 7-6.
Step five, hoisting the three-layer structure unit, comprising the following steps: the main boom 532 is horizontally rotated to a proper position by driving the power base 51 and the boom platform 53 to synchronously horizontally rotate, the boom control winch 513 is driven to reduce the elevation angle of the main boom 532, the main boom winch 512 is driven to lower the main adjusting steel wire rope hook to a proper height, the assembled three-layer structure unit 22 is connected with the main hook, the main boom winch 512 is driven to vertically lift the three-layer structure unit 22 to a proper height, the boom control winch 513 is driven to improve the elevation angle of the main boom 532, the power base 51 and the boom platform 53 are driven to synchronously horizontally rotate, the main boom 532 is horizontally rotated to a proper position, the main boom winch 512 is driven to slowly lower the three-layer structure unit until the three-layer structure unit 22 is aligned with the two-layer structure unit 22, and the bottom of the three-layer structure unit 22 is fixed with the top of the two-layer structure unit 22.
Step six, repeating the operation of the step four and the operation of the step five, completing hoisting of each layer of structural unit of the elevator shaft, self-lifting of equipment and fixing of the structural unit of the corresponding layer by layer until installation of all structural units of the elevator shaft is completed, as shown in fig. 7-8; during the period, the equipment can be kept at the top layer, and construction operation of the curtain wall at the local outer part of the elevator shaft is carried out by connecting a hanging basket with a hanging hook as an operation platform, as shown in figures 7-7.
After the hoist and mount construction of completion top layer unit structure, carry out equipment and demolish, include: the main boom 532 is horizontally rotated to a position vertical to a fixed equipment beam by driving the power base 51 and the boom platform 53 to synchronously horizontally rotate, the boom control winch 513 is driven to raise the elevation angle of the main boom 532, the main boom 532 is detached from the boom base 531, a steel wire rope and a pulley block connected on the main boom 532 are removed, the main boom 532 is slowly lowered to the ground by driving the boom control winch 513 and the boom steel wire rope, the self-lifting steel wire rope is fixed on the upper beam of the top layer structural unit 23, the limit bolt 543C of the bearing clamp 543 is removed, the self-lifting winch 522 is driven, the whole equipment is slightly lifted, the bolt 543A of the bearing clamp 543 is contracted, the self-lifting winch 522 is reversely driven, the whole equipment is slowly lowered to the ground, the track clamp 542 clamped on the vertical guide rail 52A is removed, the whole equipment is horizontally placed, and the power base 51 is sequentially and the track clamp 542 clamped on the vertical guide rail 52A is horizontally placed, The lower section tower 521, the upper section tower 523 and the boom platform 53 are disassembled respectively.
Finally, the original building is reformed and reinforced; the civil construction of the elevator shaft including the enclosure curtain wall, the floor slab and the roof is continuously carried out and completed; and the installation construction including the elevator tractor, the steel cable, the counterweight, the track and the power and communication cable belt is continuously carried out and completed.
In conclusion, the elevator shaft is fully utilized as a supporting structure, and the elevator shaft support device has the characteristics of small volume, light weight, simple structure, convenience, flexibility, small operation range, easiness in carrying and installation and the like; the equipment is adopted for construction, so that the construction interference is reduced, the construction safety is improved, and the development trend of building industrialization and assembly is met.
While the present invention has been described with reference to the accompanying drawings, the present invention is not limited to the above-described embodiments, which are illustrative only and not restrictive, and various modifications which do not depart from the spirit of the present invention and which are intended to be covered by the claims of the present invention may be made by those skilled in the art.
Claims (9)
1. The utility model provides a from promoting lifting device, this equipment is used for the construction of assembled plus elevator, its characterized in that: the device comprises a power base (51), a tower (52), a suspension arm platform (53), a sliding locking assembly (54), a main suspension steel wire rope, a suspension arm control steel wire rope, a self-lifting steel wire rope and a control system;
the power base (51) comprises a main suspension arm winch (512), a suspension arm control winch (513) and a lower slewing support (514), wherein the main suspension arm winch (512), the suspension arm control winch and the lower slewing support are fixed on a base chassis (511);
the tower (52) is used for vertical support of the whole equipment, is of a triangular prism space truss structure consisting of three vertical support rods and a plurality of horizontal and inclined support rods, and two of the three vertical support rods are vertical guide rails (52A) for realizing up-and-down movement of the whole equipment in self-lifting operation; the lower part of the tower (52) is provided with a self-lifting winch (522);
the suspension arm platform (53) comprises a suspension arm base (531), a main suspension arm (532), an inclined support (533), a tie bar (532D), a first pulley block (533A) and a second pulley block (532B);
the top of the tower (52) is connected with the suspension arm base (531) through an upper rotary support (524), and the bottom of the tower (52) is connected with the base chassis (511) through a lower rotary support (514);
the sliding locking assembly (54) is used for connection between a tower (52) and a structural unit of an elevator shaft;
the sliding locking component (54) comprises a fixed clamping piece (541), a track clamping piece (542) and a bearing clamping piece (543); two fixed clamping pieces (541) are arranged in a group, and are pre-installed on a ring beam of an elevator shaft on one side corresponding to hoisting construction and a cross beam of each layer of structural unit, and a track clamping piece clamping groove (541A) and a bearing clamping piece clamping groove (541B) are arranged on a main body of each fixed clamping piece (541);
each track clamping piece (542) corresponds to one fixed clamping piece (541), one end of each track clamping piece (542) is clamped into a track clamping piece clamping groove (541A) on each fixed clamping piece (541), the track clamping pieces (542) and the corresponding fixed clamping pieces (541) are fixed through track clamping piece limiting bolts (542B), and the other ends of the track clamping pieces are in sliding connection with the outer side of a vertical guide rail (52A) of the tower (52);
the bearing clamping piece (543) comprises a lock body (543B) and a bolt (543A); the lock body (543B) is fixed on the inner side of a vertical guide rail (52A) of the tower frame (52), an electric device is arranged in the lock body (543B) and used for controlling the bolt (543A) to extend and retract, the bolt (543A) is meshed with the bearing clamp piece clamping groove (541B) when extending, and the bearing clamp piece (543) is fixed with the corresponding fixing clamp piece (541) through a bearing clamp piece limiting bolt (543C); the two bearing clamping pieces (543) are divided into an upper group and a lower group according to positions, the upper group of bearing clamping pieces (543) are fixed in the middle of the two vertical guide rails (52A) and are connected with the fixed clamping pieces (541) on the upper-layer structural unit cross beam, and the lower group of bearing clamping pieces (543) are located at the lower parts of the two vertical guide rails (52A) and are connected with the fixed clamping pieces (541) on the lower-layer structural unit cross beam; in order to adapt to the heights of different structural units, the lower group of bearing clamping pieces (543) can be adjusted to be in the upper and lower positions along the vertical guide rail and then are fixed with the vertical guide rail (52A) of the tower (52);
the control system is a system platform for controlling the motion of the whole equipment, and the functions of the control system are as follows:
the lifting of the lifting hook is realized by controlling the main suspension arm winch (512) to drive the main suspension wire rope to be wound and unwound; the lifting arm control winch (513) is controlled to drive the lifting arm to control the winding and unwinding of a steel wire rope, so that the pitching motion of the main lifting arm (532) is realized; the self-lifting winch (522) is controlled to drive the self-lifting steel wire rope to be wound and unwound, so that the lifting and the descending of the whole equipment are realized; realizing horizontal rotation of the power base (51) and the boom platform (53) by controlling the lower slewing support (514) and the upper slewing support (524); the electric device in the lock body (543B) of the bearing clamping piece (543) is controlled to drive the bolt (543A) to extend and retract, and fixing and releasing between the tower (52) and the elevator shaft structural unit are achieved.
2. The self-lifting hoisting device of claim 1 wherein the upper slewing support (524) and the lower slewing support (514) are identical in structure and each comprise a fixed disc and a slewing disc; the fixed disks of the upper rotary support (524) and the lower rotary support (514) are respectively fixed with the top and the bottom of the tower; the rotary discs of the upper rotary support (524) and the lower rotary support (514) are fixedly connected with the suspension arm base (531) and the base chassis (511) respectively; in the process of hoisting operation, the rotation direction, the angle and the speed of the suspension arm platform (53) and the power base (51) are synchronous.
3. The self-lifting hoisting device as claimed in claim 1, wherein the cross section of the locking tongue (543A) along the extension direction is a pentagon with a pointed angle facing, the front end and the bottom surface are both inclined surfaces, and the middle part is provided with a limit groove; bearing fastener draw-in groove (541B) cross sectional form is the same with spring bolt (543A) cross sectional form, and the bottom is equipped with the spacing lug that agrees with completely with the spacing groove position and the form of spring bolt (543A) bottom surface, through the interlock relation on the bottom surface and the spacing lug inclined plane of the inclined plane of spring bolt (543A) bottom surface and spacing recess and bearing fastener draw-in groove (541B), ensure after equipment self-promotes to last constitutional unit height, bearing fastener (543) and fixed fastener (541) are connected the in-process, find mutual accurate position automatically.
4. The self-lifting hoisting device of claim 1, wherein a rack (543D) is fixed at the lower part of the vertical guide rail of the tower, a gear engaged with the rack (543D) is installed inside a lock body (543B) of a group of bearing fasteners (543) located at the lower part of the tower (52), the bearing fasteners (543) are driven to move up and down along the rack (543D) by controlling the rotation of the gear, and when the group of bearing fasteners (543) correspond to the position of the fixing fastener (541) on the beam of the lower structural unit, the gear is locked to fix the position of the bearing fastener (543).
5. Self-lifting device according to claim 1, characterized in that the bottom end of the main boom (532) is rotatably connected to the boom base (531) by means of a support shaft (532A); the bottom end of the inclined support (533) is welded with the suspension arm base (531); the fixed pulley of the first pulley block (533A) is mounted at the top end of the inclined support (533), the fixed pulley of the second pulley block (532B) is mounted at the top end of the main boom (532), and a hook is fixed on the movable pulley of the second pulley block; the top end of the main suspension arm (532) is connected with one end of the tie bar (532D) through a hinge, and the other end of the tie bar (532D) is connected with a movable pulley of the first pulley block (533A); the fixed pulley (532C) is installed at the bottom of the main suspension arm (532), and the diameter specifications of the fixed pulley (532C) and the fixed pulley of the second pulley block (532B) are the same, so that the hook of the main suspension arm (532) and the movable pulley of the second pulley block (532B) are in a relative static state in the pitching motion process.
6. Self-lifting device according to claim 1,
one end of the self-hoisting steel wire rope is fixed on a cross beam of the elevator shaft structural unit, and the other end of the self-hoisting steel wire rope is connected to the self-hoisting winch (522); after the hoisting and fixing of the upper layer of elevator shaft structure unit is finished, the self-hoisting steel wire rope is detached from the cross beam of the layer of structure unit and is fixed on the cross beam of the upper layer of elevator shaft structure unit again, and then the self-hoisting winch (522) is driven to hoist the whole equipment to the height of the upper layer of elevator shaft structure unit;
one end of the suspension arm control steel wire rope is fixed with a fixed pulley of a first pulley block (533A), and the other end of the suspension arm control steel wire rope bypasses the first pulley block (533A) and then is connected to the suspension arm control winch (513);
one end of the main hoisting steel wire rope is fixed with a fixed pulley of a second pulley block (532B), and the other end of the main hoisting steel wire rope sequentially rounds the second pulley block (532B) and a fixed pulley (532C) at the bottom of the main hoisting arm (532) and then is connected to the main hoisting arm winch (512).
7. A sliding locking assembly for connection between a self-lifting apparatus and a host building, wherein the self-lifting apparatus has at least two or more vertical guide rails,
the sliding locking component (54) comprises a plurality of fixed clamping pieces (541), rail clamping pieces (542) and bearing clamping pieces (543); the fixed clamping piece (541) is fixed on a structural beam of a main building, and a track clamping piece clamping groove (541A) and a bearing clamping piece clamping groove (541B) are arranged on the fixed clamping piece (541);
the rail clamping pieces (542) correspond to the fixed clamping pieces (541) one by one, one end of each rail clamping piece (542) is clamped into a rail clamping piece clamping groove (541A) of each fixed clamping piece (541), the rail clamping pieces (542) are fixed with the corresponding fixed clamping pieces (541) through rail clamping piece limiting bolts (542B), and the other end of each rail clamping piece (542) is in sliding connection with a vertical guide rail (52A) on the self-lifting equipment;
the bearing clamping piece (543) comprises a lock body (543B) and a bolt (543A); the lock body (543B) is fixed on self-lifting equipment, an electric device used for controlling the bolt (543A) to stretch out and retract is arranged in the lock body (543B), the bolt (543A) is connected with the bearing clamp piece clamping groove (541B) in an occlusion mode when stretching out, and the bearing clamp piece (543) is fixed with the corresponding fixed clamp piece (541) through a bearing clamp piece limiting bolt (543C);
the bearing clamping pieces (543) are divided into an upper group and a lower group according to positions, the number of each group is the same as that of vertical guide rails on the self-lifting equipment, the upper group of bearing clamping pieces (543) are connected with the fixed clamping pieces (541) on the upper-layer structural beam of the main building, and the lower group of bearing clamping pieces (543) are connected with the fixed clamping pieces (541) on the lower-layer structural beam of the main building; the position of the lower group of bearing clamping pieces (543) can be adjusted up and down along the vertical guide rail, and when the position of the lower group of bearing clamping pieces (543) is adjusted to correspond to the fixed clamping pieces (541) on the lower structure beam of the main building, the position of the lower group of bearing clamping pieces (543) is fixed.
8. The sliding locking assembly according to claim 7, wherein the cross section of the locking tongue (543A) along the extension direction is a pentagon with a pointed angle, the front end and the bottom surface are both inclined surfaces, and the middle part is provided with a limit groove; bearing fastener draw-in groove (541B) cross sectional form is the same with spring bolt (543A) cross sectional form, and the bottom is equipped with the spacing lug that agrees with completely with the spacing groove position and the form of spring bolt (543A) bottom surface, through the interlock relation on the bottom surface and the spacing lug inclined plane of the inclined plane of spring bolt (543A) bottom surface and spacing recess and bearing fastener draw-in groove (541B), ensure to promote the high back of last layer constitutional unit at equipment certainly, in bearing fastener (543) and fixed fastener (541) the connection process, find mutual accurate position automatically.
9. The slide locking assembly according to claim 7, wherein a rack (543D) is fixed to a lower portion of the vertical guide rail, a gear engaged with the rack (543D) is installed inside a lock body (543B) of a set of load bearing latches (543) located at the lower portion of the vertical guide rail, the load bearing latches (543) are driven to move up and down along the rack (543D) by controlling the rotation of the gear, and the gear is locked to fix the position of the load bearing latches (543) when the set of load bearing latches (543) corresponds to the position of the fixing latch (541) on the lower structure beam.
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| CN202120045086.5U CN215828096U (en) | 2021-01-08 | 2021-01-08 | Self-lifting hoisting equipment and sliding locking assembly |
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| CN202120045086.5U CN215828096U (en) | 2021-01-08 | 2021-01-08 | Self-lifting hoisting equipment and sliding locking assembly |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112744664A (en) * | 2021-01-08 | 2021-05-04 | 华城(天津)建筑科技有限公司 | Self-lifting hoisting equipment, construction method and sliding locking assembly |
| CN114671358A (en) * | 2022-03-03 | 2022-06-28 | 中核华兴达丰机械工程有限公司 | Tower crane is attached to ann and is torn open hoisting accessory |
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2021
- 2021-01-08 CN CN202120045086.5U patent/CN215828096U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112744664A (en) * | 2021-01-08 | 2021-05-04 | 华城(天津)建筑科技有限公司 | Self-lifting hoisting equipment, construction method and sliding locking assembly |
| CN112744664B (en) * | 2021-01-08 | 2024-04-26 | 华城(天津)建筑科技有限公司 | Self-lifting hoisting equipment, construction method and sliding locking assembly |
| CN114671358A (en) * | 2022-03-03 | 2022-06-28 | 中核华兴达丰机械工程有限公司 | Tower crane is attached to ann and is torn open hoisting accessory |
| CN114671358B (en) * | 2022-03-03 | 2024-05-24 | 中核华兴达丰机械工程有限公司 | Tower crane attachment, installation and disassembly lifting device |
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