CN112695996A - Self-climbing device in elevator shaft and construction method thereof - Google Patents

Self-climbing device in elevator shaft and construction method thereof Download PDF

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Publication number
CN112695996A
CN112695996A CN202011562093.9A CN202011562093A CN112695996A CN 112695996 A CN112695996 A CN 112695996A CN 202011562093 A CN202011562093 A CN 202011562093A CN 112695996 A CN112695996 A CN 112695996A
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China
Prior art keywords
main beam
standard
vertical rod
jack
standard knot
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CN202011562093.9A
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CN112695996B (en
Inventor
刘训臣
缪春波
秦龙
张子龙
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China Construction Second Engineering Bureau Co Ltd
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China Construction Second Engineering Bureau Co Ltd
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G3/00Scaffolds essentially supported by building constructions, e.g. adjustable in height
    • E04G3/28Mobile scaffolds; Scaffolds with mobile platforms
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G5/00Component parts or accessories for scaffolds
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G5/00Component parts or accessories for scaffolds
    • E04G5/04Means for fastening, supporting, or bracing scaffolds on or against building constructions
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G5/00Component parts or accessories for scaffolds
    • E04G5/04Means for fastening, supporting, or bracing scaffolds on or against building constructions
    • E04G5/046Means for fastening, supporting, or bracing scaffolds on or against building constructions for fastening scaffoldings on walls
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G5/00Component parts or accessories for scaffolds
    • E04G5/14Railings
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G3/00Scaffolds essentially supported by building constructions, e.g. adjustable in height
    • E04G3/28Mobile scaffolds; Scaffolds with mobile platforms
    • E04G2003/286Mobile scaffolds; Scaffolds with mobile platforms mobile vertically

Abstract

The invention discloses a self-climbing device in an elevator shaft and a construction method thereof, wherein the self-climbing device comprises a main beam, a jack base vertical rod connected to the upper part of the main beam, a jack base connected to the top of the jack base vertical rod, a hydraulic jack connected to the top of the jack base, a sleeve frame sleeved on the periphery of the hydraulic jack, a connecting plate connected to the top of the hydraulic jack and a standard joint connected with the connecting plate; an operating platform is installed on the upper portion of the standard section, and the lower portion of the standard section is connected with the other main beam. During construction, the hydraulic jack is arranged, so that the operation is simple and the stability is good; the arrangement of the pulleys between the standard joints and the sleeve frame ensures the verticality and smoothness in the lifting process; through the arrangement of the two sets of main beams, lower support is provided, and the alternate rising in the climbing process of the marker is facilitated.

Description

Self-climbing device in elevator shaft and construction method thereof
Technical Field
The invention belongs to the technical field of building construction, and particularly relates to a self-climbing device in an elevator shaft and a construction method thereof.
Background
With the rapid development of the construction industry, high-rise and super high-rise buildings are more and more. In the work progress, elevartor shaft department is dangerous department, along with the increase of construction height, dangerous also improves gradually, and elevartor shaft work platform needs to promote along with the promotion of building, and dismantlement, installation many times are particularly unfavorable to the construction. The conventional elevator shaft operation platform device has the problems of poor stability and high danger, and the construction efficiency is reduced and the danger is increased due to repeated disassembly and assembly; and the installation position needs to be reserved on the wall body, so that the integrity of the wall body is damaged. Therefore, an elevator shaft climbing device with good stability, high safety and high construction efficiency needs to be designed.
Disclosure of Invention
The invention provides a self-climbing device in an elevator shaft and a construction method thereof, which are used for solving the technical problems of support, self-climbing, fixation and the like with a working platform standard knot in the elevator shaft or a limited space similar to the elevator shaft.
In order to achieve the purpose, the invention adopts the following technical scheme:
a self-climbing device in an elevator shaft comprises a main beam, a jack base vertical rod connected to the upper portion of the main beam, a jack base connected to the top of the jack base vertical rod, a hydraulic jack connected to the top of the jack base, a sleeve frame sleeved on the periphery of the hydraulic jack, a connecting plate connected to the top of the hydraulic jack and a standard joint connected with the connecting plate; an operating platform is arranged at the upper part of the standard section, and the lower part of the standard section is connected with the other main beam;
the sleeve frame is connected inside the standard joint and is connected with the standard joint in a sliding way through a pulley; the main beam is detachably connected to the inside of the elevator shaft; the jack base vertical rod is connected to one main beam through an opening hinge and a high-strength spring, and the standard section is connected to the other main beam through the opening hinge and the high-strength spring;
the hydraulic jack base is connected with a sleeve frame, and the sleeve frame is connected with the top of a vertical rod of the jack base.
Furthermore, the length of the main beam is greater than the horizontal length of the elevator shaft, the main beam is obliquely arranged in the elevator shaft, the upper end of the main beam is detachably connected to a wall body, and the lower end of the main beam is detachably connected to an external corner of the structural beam; the upper end of the main beam is an inclined end surface and is connected with the vertical surface of the wall body in an acute angle, and the lower end of the main beam and the vertical clamping piece form an inverted L-shaped notch and are correspondingly clamped on the external corner of the structural beam.
Furthermore, when the main beams are connected corresponding to the standard sections or the vertical rods of the jack base, two main beams correspondingly connected with the standard sections are arranged on the outer sides of the vertical rods of the jack base corresponding to the main beams; the top of the lower end of the main beam is connected with a triangular limiting plate, and the upper end of the main beam is connected with the wall body through an additional beam section; the triangular limiting plate is a right-angled triangle, wherein a right-angled edge is connected with the main beam in parallel, and the bevel edge faces one side of the structural beam; and the outer end of the additional beam section is connected with a vertical plate which is correspondingly attached to the vertical surface of the wall body.
Furthermore, the hinge is connected to one side close to the upper end of the main beam, and the high-strength spring is connected to one side close to the lower end of the main beam.
Furthermore, the sleeve frame comprises sleeve frame vertical rods which are arranged in a square shape, sleeve frame cross rods which are connected to the height direction of the sleeve frame vertical rods at intervals, and sleeve frame inclined rods which are connected between the upper sleeve frame cross rod and the lower sleeve frame cross rod; the height of the sleeve frame is not higher than that of the standard knot.
Further, pulleys are connected to the middle upper portion of the vertical rod of the sleeve frame at intervals and are correspondingly connected with the standard joints in a sliding mode; and the bottom of the vertical rod of the sleeve frame is connected to the top of the vertical rod of the base of the jack.
Furthermore, the standard knot comprises standard knot vertical rods arranged in a square shape, standard knot cross rods connected to the height direction of the standard knot vertical rods at intervals and standard knot diagonal rods connected between the upper standard knot cross rods and the lower standard knot cross rods; one side of the standard section vertical rod is connected with the main beam through a high-strength spring and an opening hinge, and the bottom of the standard section vertical rod is sleeved with the main beam; the middle part of the standard joint is connected with a double-layer turning plate, and a temporary fixed steel wire rope is connected between the turning plate and the standard joint; the inner side of the standard knot vertical rod is provided with a slide way, the slide way corresponds to the upper pulley of the sleeve frame vertical rod and is provided with temporary limiting plates at the top and the bottom of the slide way.
Furthermore, the bottom of the vertical rod of the jack base is sleeved with the main beam, and the side surface of the vertical rod of the jack base is connected with the main beam through an open hinge or a high-strength spring; the cross section area of the vertical rod of the jack base is larger than that of the upper sleeve frame vertical rod; the inner part surrounded by the vertical rod of the jack base, the wall body and the structural beam is connected with the jack base, and the length and the width of the surrounded square are smaller than those of the standard section; the jack base is horizontally arranged and is detachably connected with the hydraulic jack.
Furthermore, the hydraulic jack is of an automatic control type, the extension height of the hydraulic jack is larger than the height of a standard joint, at least the top and the bottom of the hydraulic jack are provided with a displacement sensor and a pressure sensor, and the displacement sensor and the pressure sensor are connected with a computer through wireless or electric wires.
Further, the self-climbing device in the elevator shaft and the construction method thereof comprise the following specific steps:
firstly, manufacturing a main beam, clamping pieces connected to the main beam, a triangular limiting plate and an additional beam section according to the cross section size of an elevator shaft and the height of the elevator shaft to be constructed, selecting a hydraulic jack and determining the heights of a sleeve frame and a standard section;
step two, manufacturing a standard knot, wherein the width and the length of the cross section of the standard knot are respectively smaller than the width and the length of the elevator shaft, and connecting a turning plate and an operation platform on the standard knot to facilitate construction of technicians when the standard knot corresponds to an elevator shaft construction layer; designing and manufacturing a sleeve frame according to the size of the standard knot, wherein the width and the length of the sleeve frame are both smaller than those of the standard knot, and the corresponding upper pulley of the sleeve frame is in sliding connection with a slideway on the inner side of a vertical rod of the standard knot;
step three, respectively manufacturing two sets of main beams, wherein one set of main beams is connected with the standard joint, and the other set of main beams is connected with the vertical rod of the base of the jack; the upper part of the main beam is connected with a sleeve in advance, the main beam is connected with a clamping piece and is tested to be correspondingly clamped with the external corner of the structural beam, and then a triangular limiting plate is connected, wherein the triangular limiting plate is a right-angled triangle, the bevel edge of the triangular limiting plate faces the structural beam, and the top of the corner where the bevel edge is located and the end part of the lower end of the main beam are on the same vertical plane;
step four, installing two sets of main beams, wherein the main beam connected with the standard section is arranged on the outer side, one end provided with a hinge and a high-strength spring is connected to the main beam in advance, after two ends of the main beam are abutted against the wall body and the structural beam and stably stressed, a jack base vertical rod and a jack base are sleeved, the hinge and the high-strength spring jack base vertical rod are connected, the levelness of the jack base is detected, and the adjustment is carried out until the levelness meets the design requirement;
installing a hydraulic jack on the jack base, and installing a pressure sensor and a displacement sensor; then, the hydraulic jack is operated in a trial mode, the stability and smoothness of lifting of the hydraulic jack are monitored, a sleeve frame is connected to the vertical rod of the base of the jack after the requirements are met, and then the levelness is measured again;
step six, sleeving a standard joint on a set of external main beams, sleeving the standard joint from the top of a sleeving frame when the standard joint is installed, then correspondingly connecting a vertical rod of the standard joint with a pulley, sleeving the lower part of the vertical rod of the standard joint on a sleeve of the main beam, connecting the side surface of the lower part of the vertical rod of the standard joint with a high-strength spring through an opening hinge, and connecting the top of a hydraulic jack with the standard joint through a connecting plate; then correcting the levelness of the whole device and the smoothness of the sliding of the standard section until the levelness and the smoothness meet the design requirements;
step seven, during construction, the turning plate is opened and oblique drawknot is carried out through a temporary steel wire rope, a technician carries out construction on a temporary working table surface formed by the operation platform at the top and the turning plate, and guardrails are arranged on the peripheries of the operation platform and the turning plate;
step eight, after the construction of one working surface is finished, when the next working surface on the upper part is used for construction, the turning plate is retracted, the hydraulic jack is controlled to extend to drive the standard section to move upwards, the vertical rod of the standard section is separated from the sleeve on the main beam, and the standard section moves upwards along a straight line under the action of the pulley; at the moment, the main beam tends to be vertical and rises along with the standard section, the triangular limiting plate is firstly contacted with the structural beam when reaching the next working surface, the lower part of the main beam rotates around the hinge, the bevel edge of the triangular limiting plate slides along the structural beam to play a buffering role, the high-strength spring stretches, the surplus angle at the upper end of the main beam is reduced due to rotation until the triangular limiting plate slides over the structural beam, the high-strength spring contracts, the main beam reversely rotates around the hinge, the internal corner formed by the clamping piece and the main beam is clamped on the external corner of the structural beam, and the vertical plate of the additional beam section is tightly attached;
step nine, then, the hydraulic jack is slowly contracted downwards, the vertical rod of the standard knot is inserted into the sleeve on the main beam in an aligning way until the standard knot is completely inserted into the sleeve; after the main beam corresponding to the standard section is fixed, the main beam corresponding to the bottom of the hydraulic jack can move up and down, so that after the top of the hydraulic jack is fixed, the hydraulic jack and the corresponding main beam ascend together, the sleeve frame and the vertical rod of the bottom jack base, the jack base and the main beam on the lower portion move up along a straight line under the action of the pulley until the triangular limiting plate slides through the structural beam, the high-strength spring contracts, the main beam reversely rotates around the hinge, the clamping piece and the main beam form an internal corner which is clamped on the external corner of the structural beam, and the vertical plate of the additional beam section is tightly attached to the wall body, at the moment, the main beam on the lower portion of the hydraulic jack and the main beam on the lower portion of the standard section are at the same height, and the; the verticality and the levelness of the standard section are met again, the standard section is adjusted until the standard section meets the requirements, and then the construction of the working face is carried out;
step ten, repeating the step eight and the step nine until the construction of the whole elevator shaft is completed; when the device is disassembled, the device is disassembled according to the reverse direction of the installation sequence.
The invention has the beneficial effects that:
1) according to the invention, through the arrangement of the hydraulic jack, the hydraulic jack is taken as a power source, the hydraulic jack supports the standard knot to ascend, then the stretching sleeve frame ascends, and the hydraulic jack and the stretching sleeve frame alternately ascend along the elevator shaft; the hydraulic jack is simple to operate, has a locking function (namely, the hydraulic jack keeps pressed and static in a non-working state), and is good in stability;
2) the pulley between the standard knot and the sleeve frame is arranged, so that the standard knot and the sleeve frame can conveniently move relatively in the lifting process, and the verticality and the smoothness in the lifting process are further ensured;
3) according to the invention, through the arrangement of the two sets of main beams, on one hand, lower support is provided for the standard joint and the hydraulic jack, and the main beams can be in adjustable butt joint in the climbing process, so that the standard joint, the sleeve frame and the hydraulic jack can be alternatively lifted in the climbing process;
in addition, the climbing device has simple principle and easy operation, has the function of falling prevention, greatly improves the safety, and can realize the construction operation of the elevator shaft of the whole building; a hole does not need to be reserved on the wall body, so that the wall body is prevented from being damaged; the use frequency of the tower crane can be reduced through self operation, and the operation efficiency is improved. The operation platform and the turning plate are combined for use, so that multi-person multi-level synchronous construction operation can be realized, and the application range is extremely large; additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention; the primary objects and other advantages of the invention may be realized and attained by the instrumentalities particularly pointed out in the specification.
Drawings
FIG. 1 is a schematic view of a self-climbing device connection in an elevator;
FIG. 2 is a schematic view of a construction steady state of a self-climbing device in an elevator;
FIG. 3 is a schematic diagram I of a construction climbing state of a self-climbing device in an elevator;
FIG. 4 is a schematic diagram of a construction climbing state of a self-climbing device in an elevator;
FIG. 5 is a schematic view of the hitching frame, hydraulic jack and main beam and their connection structure;
FIG. 6 is a schematic view of a standard section, hydraulic jacks and main beams and their connection structure;
FIG. 7 is a schematic view of an additional beam segment and its connection structure;
FIG. 8 is a schematic view of the clip and its connection structure;
FIG. 9 is a schematic view of a high tension spring and its connection structure;
FIG. 10 is a schematic view of the opening and closing sheet and its connection structure;
fig. 11 is a schematic structural diagram of a first embodiment of the present invention.
Reference numerals: 1-main beam, 2-vertical rod of jack base, 3-jack base, 4-high-strength spring, 5-opening hinge, 6-bolt, 7-vertical rod of set frame, 8-inclined rod of set frame, 9-horizontal rod of set frame, 10-hydraulic jack, 11-pulley, 12-vertical rod of standard knot, 13-horizontal rod of standard knot, 14-turning plate, 15-inclined rod of standard knot, 16-connecting plate, 17-operating platform, 18-guardrail, 19-fastener, 20-triangular limiting plate, 21-additional beam section, 22-wall body and 23-structural beam.
Detailed Description
Taking an elevator shaft as an example, the elevator shaft comprises upright columns arranged in a square shape, structural beams 23 arranged at intervals in the length direction of the upright columns, and walls 22 filled between the structural beams 23 and the upright columns. As shown in fig. 1 to 11, in the construction of the elevator shaft, one side wall 22 is already constructed, and the other side structure to be constructed and the upper structure are constructed using the self-climbing apparatus.
The self-climbing device in the elevator shaft comprises a main beam 1, a jack base 3 vertical rod 2 connected to the upper part of the main beam 1, a jack base 3 connected to the top of the jack base 3 vertical rod 2, a hydraulic jack 10 connected to the top of the jack base 3, a sleeve frame sleeved on the periphery of the hydraulic jack 10, a connecting plate 16 connected to the top of the hydraulic jack 10 and a standard joint connected with the connecting plate 16; an operating platform 17 is arranged at the upper part of the standard joint, and the lower part of the standard joint is connected with another main beam 1.
In the embodiment, the sleeve frame is connected inside the standard joint and is connected with the standard joint in a sliding way through the pulley 11; the main beam 1 is detachably connected to the inside of the elevator shaft; the vertical rod 2 of the jack base 3 is connected to the main beam 1 through an opening hinge 5 and a high-strength spring 4, and the standard section is connected to the other main beam 1 through the opening hinge 5 and the high-strength spring 4.
In this embodiment, the jack base 3 is connected with a sleeve frame, and the sleeve frame is connected with the top of the vertical rod 2 of the jack base 3. The hydraulic jack 10 is automatically controlled and is driven by a hydraulic pump. The extension height of the hydraulic jack 10 is greater than the standard knot height, the hydraulic jack 10 is provided with a displacement sensor and a pressure sensor at least at the top and the bottom, and the displacement sensor and the pressure sensor are connected with a computer through wireless or electric wires.
In the embodiment, the length of the main beam 1 is greater than the horizontal length of the elevator shaft, the main beam 1 is obliquely arranged in the elevator shaft, the upper end of the main beam is detachably connected to a wall 22, and the lower end of the main beam is detachably connected to an external corner of a structural beam 23; the upper end of the main beam 1 is an inclined end surface and is connected with the vertical surface of the wall 22 in an acute angle, and the lower end of the main beam 1 and the vertical clamping piece 19 form an inverted L-shaped gap and are correspondingly clamped on the external corner of the structural beam 23. Girder 1 and its welded structure length are greater than the elevartor shaft width, can prevent the unstable whereabouts that cause of superstructure, can fall in former structure roof beam 23 department, avoid taking place beyond. The safety nets are arranged on the inner side and the outer side of the main beam 1, so that objects are prevented from falling, and safety is improved.
In the embodiment, when the main beams 1 correspond to the standard sections or the vertical beams 2 of the jack base 3 are connected, two main beams 1 correspondingly connected with the standard sections are arranged on the outer sides of the vertical beams 2 of the jack base 3 corresponding to the main beams 1; and small baffles are welded on two sides of the vertical rod 22 of the jack base 3 and sleeved on the fixed support, so that the stability is improved.
In the embodiment, the top of the lower end of the main beam 1 is connected with a triangular limiting plate 20, and the upper end of the main beam 1 is connected with a wall 22 through an additional beam section 21; the triangular limiting plate 20 is a right-angled triangle, wherein a right-angled edge is connected with the main beam 1 in parallel, and the oblique edge faces one side of the structural beam 23; the outer end of the additional beam section 21 is connected with a vertical plate which is correspondingly clung to the vertical surface of the wall 22. Open hinge 5 and weld in approaching on 1 upper end one side of girder, high strength spring 4 welds in approaching on 1 lower extreme one side of girder. The lower end of the main beam 1 is welded with a clamping piece 19 and a triangular limiting plate 20 for better fixing the upper structure at a structural beam 23, the upper end of the main beam 1 is welded with an additional beam section 21 and is welded with a rectangular baffle, so that the stress area of a shear wall is increased, and the link damage to a wall 22 is reduced; the upper end of the main beam 1 is provided with a surplus angle for convenient rotation.
In the embodiment, the bottom of a vertical rod 2 of a jack base 3 is sleeved with a main beam 1, and the side surface of the vertical rod 2 of the jack base 3 is connected with the main beam 1 through an open hinge 5 or a high-strength spring 4; the cross section area of the vertical rod 2 of the jack base 3 is larger than that of the upper sleeve frame vertical rod 7; the inner part surrounded by the vertical rod 2 of the jack base 3, the wall body 22 and the structural beam 23 is connected with the jack base 3, and the length and the width of the surrounded square are smaller than those of the standard knot; the jack base 3 is horizontally arranged and is connected with the hydraulic jack 10 through a bolt 6.
In this embodiment, the standard knot comprises a standard knot vertical rod 12 arranged in a square shape, a standard knot cross rod 13 connected to the standard knot vertical rod 12 in the height direction at intervals through a bolt 6, and a standard knot diagonal rod 15 connected between the upper and lower standard knot cross rods 13 through the bolt 6. One side of a standard knot vertical rod 12 is connected with the main beam 1 through a high-strength spring 4 and an opening and closing leaf 5, and the bottom of the standard knot vertical rod 12 is sleeved with the main beam 1. The middle part of the standard joint is connected with a double-layer turning plate 14, and a temporary fixing steel wire rope is also connected between the turning plate 14 and the standard joint. The inner side of the standard knot vertical rod 12 is provided with a slide way, the slide way corresponds to the arrangement of the upper pulley 11 of the sleeve frame vertical rod 7, and temporary limiting plates are arranged at the top and the bottom of the slide way. When the structure is raised, flap 14 is folded upwardly. Safety guardrails 18 are arranged around an operation platform 17 at the top of the standard knot, and an upper opening and a lower opening are reserved on the side of an elevator entrance.
In this embodiment, the jacket comprises jacket vertical rods 7 arranged in a square shape, jacket cross rods 9 connected to the height direction of the jacket vertical rods at intervals, and jacket diagonal rods 8 connected between the upper jacket cross rod 9 and the lower jacket cross rod 9; the height of the sleeve frame is not higher than that of the standard knot. The middle upper part of the vertical bar 7 of the sleeve frame is connected with pulleys 11 at intervals and correspondingly connected with the standard knot in a sliding way; and the bottom of the sleeve frame vertical rod 7 is connected with the top of the vertical rod 2 of the jack base 3.
In this embodiment, the whole width of the sleeve frame and the lower girder 11 is narrower than the width of the standard joint and the lower girder 11, the sleeve frame is located inside the standard joint, the sleeve frame and the standard joint are in contact through the pulley 11, the pulley 11 is fixed inside the standard joint, the sleeve frame and the standard joint slide with each other during working, and the pulley 11 can play a role in stabilizing the sleeve frame and the standard joint and prevent the standard joint from inclining when ascending. The standard knot and the stock have zero differential height in a stable state, when the working plane needs to be lifted, the hydraulic jack 1010 supports the standard knot to be lifted to the upper layer, and after the working plane is stabilized, the hydraulic jack 1010 stretches the stock to be lifted to the same height. The main beam 11 and its attached welded structure,
with reference to fig. 1 to 11, a self-climbing device in an elevator shaft and a construction method thereof are further described, which specifically comprises the following steps:
step one, according to the cross section size of an elevator shaft and the height of the elevator shaft to be constructed, a main beam 1, clamping pieces 19, triangular limiting plates 20 and additional beam sections 21 connected to the main beam 1 are manufactured, a hydraulic jack 10 is selected, and the height of a sleeve frame and the height of a standard section are determined.
Step two, manufacturing a standard knot, wherein the width and the length of the cross section of the standard knot are respectively smaller than the width and the length of the elevator shaft, and connecting a turning plate 14 and an operating platform 17 on the standard knot to facilitate construction of technicians when the standard knot corresponds to an elevator shaft construction layer; and designing and manufacturing a sleeve frame according to the size of the standard knot, wherein the width and the length of the sleeve frame are both smaller than those of the standard knot, and the corresponding upper pulley 11 of the sleeve frame is in sliding connection with the slide way on the inner side of the vertical rod 12 of the standard knot.
Step three, two sets of main beams 1 are respectively manufactured, one set is connected with the standard joint, and the other set is connected with the vertical rod 2 of the jack base 3; all be connected with the sleeve in advance on girder 1 upper portion, connect fastener 19 on girder 1 and experiment its corresponding joint structure roof beam 23 external corner in advance, then connect triangle limiting plate 20, triangle limiting plate 20 is its hypotenuse of right angled triangle towards structure roof beam 23 and hypotenuse place angle top and girder 1 lower extreme tip on same vertical plane.
And step four, installing two sets of main beams 1, wherein the main beam 1 connected with the standard section is arranged on the outer side, one ends of the hinge 5 and the high-strength spring 4 are connected to the main beam 1 in advance, after the two ends of the main beam 1 are abutted against the wall 22 and the structural beam 23 and are stably stressed, the vertical rod 2 of the jack base 3 and the jack base 3 are sleeved, the hinge 5 and the vertical rod 2 of the jack base 3 of the high-strength spring 4 are connected, the levelness of the jack base 3 is detected, and the adjustment is carried out until the design requirements are met.
Installing a hydraulic jack 10 on the jack base 3, and installing a pressure sensor and a displacement sensor; then, the hydraulic jack 10 is operated in a trial mode, the lifting stability and smoothness of the hydraulic jack are monitored, the sleeve frame is connected to the vertical rod 2 of the jack base 3 after requirements are met, and then the levelness is retested.
Step six, sleeving a standard joint on a set of main beams 1 on the outer side, sleeving the standard joint from the top of a sleeving frame when the standard joint is installed, then correspondingly connecting a standard joint vertical rod 12 with a pulley 11, sleeving the lower part of the standard joint vertical rod 12 on a sleeve of the main beam 1, connecting the side surface of the lower part of the standard joint vertical rod 12 with a high-strength spring 4 through an opening hinge 5, and connecting the top of a hydraulic jack 10 with the standard joint through a connecting plate 16; and then correcting the levelness of the whole device and the smoothness of the sliding of the standard section until the levelness and the smoothness meet the design requirements.
And seventhly, during construction, the turning plate 14 is opened and oblique pulling is carried out through a temporary steel wire rope, a technician carries out construction on a temporary working table surface formed by the operating platform 17 at the top and the turning plate 14, and guardrails 18 are arranged on the periphery of the operating platform 17 and the turning plate 14.
Step eight, after the construction of one working surface is finished, when the next working surface at the upper part is used for construction, the turning plate 14 is retracted, the hydraulic jack 10 is controlled to extend to drive the standard knot to move upwards, the standard knot vertical rod 12 is separated from the sleeve on the main beam 1, and the standard knot moves upwards along a straight line under the action of the pulley 11; at the moment, the main beam 1 tends to be vertical and rises along with the standard knot, the triangular limiting plate 20 is firstly contacted with the structural beam 23 when arriving at the next working face, the lower part of the main beam 1 rotates around the hinge 5, the inclined edge of the triangular limiting plate 20 slides along the structural beam 23 to play a role in buffering, the high-strength spring 4 is stretched, the surplus angle at the upper end of the main beam 1 is reduced due to rotation until the triangular limiting plate 20 slides over the structural beam 23, the high-strength spring 4 contracts, the main beam 1 reversely rotates around the hinge 5, the clamping piece 19 is clamped on the external angle of the structural beam 23 with the internal angle formed by the main beam 1, and the vertical plate of the additional beam section 21 is.
Step nine, then, the hydraulic jack 10 is slowly contracted downwards, and the standard knot vertical rod 12 is inserted into the sleeve aligned with the upper part of the main beam 1 until the standard knot is completely inserted into the sleeve; after the main beam 1 corresponding to the standard joint is fixed, the main beam 1 corresponding to the bottom of the hydraulic jack 10 can move up and down, so that after the top of the hydraulic jack 10 is fixed, the hydraulic jack 10 and the corresponding main beam 1 ascend together, the sleeve frame moves up along a straight line together with the vertical rod 2 of the jack base 3, the jack base 3 and the main beam 1 at the lower part under the action of the pulley 11 until the triangular limiting plate 20 slides over the structural beam 23, the high-strength spring 4 contracts, the main beam 1 rotates reversely around the hinge 5, the internal corner formed by the clamping piece 19 and the main beam 1 is clamped on the external corner of the structural beam 23, the vertical plate of the additional beam section 21 is tightly attached to the wall 22, and at the moment, the main beam 1 at the lower part of the hydraulic jack 10 and the main beam 1 at the lower part of the standard joint are at the same height; and (5) the verticality and the levelness of the standard knot are met again, the standard knot is adjusted until the standard knot meets the requirements, and then the construction of the working face is carried out.
Step ten, repeating the step eight and the step nine until the construction of the whole elevator shaft is completed; when the device is disassembled, the device is disassembled according to the reverse direction of the installation sequence.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that may be made by those skilled in the art within the technical scope of the present invention will be covered by the scope of the present invention.

Claims (10)

1. The self-climbing device in the elevator shaft is characterized by comprising a main beam (1), a jack base vertical rod (2) connected to the upper part of the main beam (1), a jack base (3) connected to the top of the jack base vertical rod (2), a hydraulic jack (10) connected to the top of the jack base (3), a sleeve frame sleeved on the periphery of the hydraulic jack (10), a connecting plate (16) connected to the top of the hydraulic jack (10) and a standard joint connected with the connecting plate (16); an operating platform (17) is arranged at the upper part of the standard joint, and the lower part of the standard joint is connected with the other main beam (1);
the sleeve frame is connected inside the standard joint and is in sliding connection with the standard joint through a pulley (11); the main beam (1) is detachably connected to the interior of the elevator shaft; the jack base vertical rod (2) is connected to one main beam (1) through an opening hinge (5) and a high-strength spring (4), and the standard knot is connected to the other main beam (1) through the opening hinge (5) and the high-strength spring (4);
the hydraulic jack (10) base (3) is connected with a sleeve frame, and the sleeve frame is connected with the top of the jack base vertical rod (2).
2. The self-climbing device in an elevator shaft according to claim 1, characterized in that the length of the main beam (1) is greater than the horizontal length of the elevator shaft, the main beam (1) is arranged in the elevator shaft in an inclined way, the upper end of the main beam is detachably connected to the wall body (22), and the lower end of the main beam is detachably connected to the external corner of the structural beam (23); the upper end of the main beam (1) is an inclined end surface and is connected with the vertical surface of the wall body (22) in an acute angle, and the lower end of the main beam (1) and the vertical clamping piece (19) form an inverted L-shaped gap and are correspondingly clamped on the external corner of the structural beam (23).
3. The self-climbing device in an elevator well is characterized in that the number of the main beams (1) is two when the main beams are connected corresponding to the standard knot or the vertical rod (2) of the jack base, and the two main beams (1) corresponding to the standard knot are arranged on the outer side of the vertical rod (2) of the jack base corresponding to the main beams (1); the top of the lower end of the main beam (1) is connected with a triangular limiting plate (20), and the upper end of the main beam (1) is connected with a wall body (22) through an additional beam section (21); the triangular limiting plate (20) is a right-angled triangle, wherein a right-angled edge is connected with the main beam (1) in parallel, and the oblique edge faces one side of the structural beam (23); the outer end of the additional beam section (21) is connected with a vertical plate which is correspondingly attached to the vertical surface of the wall body (22).
4. The self-climbing device in an elevator shaft is characterized in that the opening hinge (5) is connected to one side close to the upper end of the main beam (1), and the high-strength spring (4) is connected to one side close to the lower end of the main beam (1).
5. The self-climbing device in an elevator shaft according to claim 1, wherein the jacket comprises jacket vertical rods (7) arranged in a square shape, jacket cross rods (9) connected to the height direction of the jacket vertical rods at intervals, and jacket diagonal rods (8) connected between the upper jacket cross rod and the lower jacket cross rod (9); the height of the sleeve frame is not higher than that of the standard knot.
6. The self-climbing device in the elevator shaft is characterized in that pulleys (11) are connected to the middle upper part of the vertical bar (7) of the jacket frame at intervals, and are correspondingly connected with the standard joints in a sliding manner; and the bottom of the sleeve frame vertical rod (7) is connected with the top of the jack base vertical rod (2).
7. The self-climbing device in an elevator shaft according to claim 1, wherein the standard knot comprises standard knot vertical rods (12) which are arranged in a square shape, standard knot cross rods (13) which are connected to the height direction of the standard knot vertical rods (12) at intervals, and standard knot diagonal rods (15) which are connected between the upper standard knot cross rods (13) and the lower standard knot cross rods (13); one side of the standard knot vertical rod (12) is connected with the main beam (1) through a high-strength spring (4) and an opening and closing leaf (5), and the bottom of the standard knot vertical rod (12) is sleeved with the main beam (1); the middle part of the standard joint is connected with a double-layer turning plate (14), and a temporary fixing steel wire rope is also connected between the turning plate (14) and the standard joint; the inner side of the standard knot vertical rod (12) is provided with a slide way, the slide way is arranged corresponding to the upper pulley (11) of the sleeve frame vertical rod (7), and temporary limiting plates are arranged at the top and the bottom of the slide way.
8. The self-climbing device in an elevator well is characterized in that the bottom of a vertical rod (2) of a jack base is sleeved with a main beam (1), and the side surface of the vertical rod (2) of the jack base is connected with the main beam (1) through an opening hinge (5) or a high-strength spring (4); the cross section area of the bottom seat vertical rod (2) of the jack is larger than that of the upper sleeve frame vertical rod (7); the inner part surrounded by the jack base vertical rod (2), the wall body (22) and the structural beam (23) is connected with the jack base (3), and the length and the width of the surrounded square are smaller than those of the standard knot; the jack base (3) is horizontally arranged and detachably connected with the hydraulic jack (10).
9. The self-climbing device in an elevator shaft according to claim 1, wherein the hydraulic jack (10) is automatically controlled, the extension height of the hydraulic jack (10) is greater than the standard knot height, the hydraulic jack (10) is provided with a displacement sensor and a pressure sensor at least at the top and the bottom, and the displacement sensor and the pressure sensor are connected with a computer through wireless or electric wires.
10. The construction method of the self-climbing device in the elevator shaft according to any one of the claims 1 to 9 is characterized by comprising the following specific steps:
firstly, manufacturing a main beam (1), clamping pieces (19), triangular limiting plates (20) and additional beam sections (21) connected to the main beam (1) according to the cross section size of an elevator shaft and the height of the elevator shaft to be constructed, selecting a hydraulic jack (10) and determining the heights of a sleeve frame and a standard section;
step two, manufacturing a standard knot, wherein the width and the length of the cross section of the standard knot are respectively smaller than the width and the length of the elevator shaft, and connecting a turning plate (14) and an operation platform (17) on the standard knot to facilitate the construction of technicians when the standard knot corresponds to an elevator shaft construction layer; designing and manufacturing a sleeve frame according to the size of the standard knot, wherein the width and the length of the sleeve frame are both smaller than those of the standard knot, and a corresponding upper pulley (11) of the sleeve frame is in sliding connection with a slideway on the inner side of a vertical rod (12) of the standard knot;
step three, respectively manufacturing two sets of main beams (1), wherein one set is connected with the standard joint, and the other set is connected with the jack base vertical rod (2); the upper part of the main beam (1) is connected with a sleeve in advance, the main beam (1) is connected with a clamping piece (19) and is tested to be corresponding to the external corner of the clamping structure beam (23), and then a triangular limiting plate (20) is connected, the inclined edge of the triangular limiting plate (20) faces the structure beam (23), and the top of the angle where the inclined edge is located and the end part of the lower end of the main beam (1) are on the same vertical plane;
fourthly, installing two sets of main beams (1), wherein the main beam (1) connected with the standard section is arranged on the outer side, one end provided with a hinge (5) and one end provided with a high-strength spring (4) are connected to the main beam (1) in advance, after two ends of the main beam (1) are abutted against a wall body (22) and a structural beam (23) and are stressed stably, a jack base vertical rod (2) and a jack base (3) are sleeved, the hinge (5) and the high-strength spring (4) are connected to the jack base vertical rod (2), the levelness of the jack base (3) is detected, and the levelness is adjusted until the design requirements are met;
installing a hydraulic jack (10) on the jack base (3), and installing a pressure sensor and a displacement sensor; then, the hydraulic jack (10) is operated in a trial mode, the stability and smoothness of lifting of the hydraulic jack are monitored, a sleeve frame is connected to the vertical rod (2) of the jack base after requirements are met, and then the levelness is measured again;
step six, sleeving a standard section on a set of main beam (1) on the outer side, sleeving the standard section from the top of a sleeving frame when the standard section is installed, then correspondingly connecting a standard section vertical rod (12) with a pulley (11), sleeving the lower part of the standard section vertical rod (12) on a sleeve of the main beam (1), connecting the side surface of the lower part of the standard section vertical rod (12) with a high-strength spring (4) through an opening hinge (5), and connecting the top of a hydraulic jack (10) with the standard section through a connecting plate (16); then correcting the levelness of the whole device and the smoothness of the sliding of the standard section until the levelness and the smoothness meet the design requirements;
seventhly, during construction, the turning plate (14) is opened and oblique pulling is carried out through a temporary steel wire rope, a technician carries out construction on a temporary working table surface formed by the operation platform (17) and the turning plate (14) at the top, and guardrails (18) are arranged on the periphery of the operation platform (17) and the turning plate (14);
step eight, after the construction of one working surface is finished and when the next working surface at the upper part is constructed, the turning plate (14) is retracted, the hydraulic jack (10) is controlled to extend to drive the standard section to move upwards, the standard section vertical rod (12) is separated from the sleeve on the main beam (1), and the standard section moves upwards along a straight line under the action of the pulley (11); at the moment, the main beam (1) tends to be vertical and rises along with the standard section, the triangular limiting plate (20) is firstly contacted with the structural beam (23) when the next working surface is reached, the lower part of the main beam (1) rotates by bypassing the hinge (5), the bevel edge of the triangular limiting plate (20) slides along the structural beam (23) to play a role of buffering, the high-strength spring (4) is stretched, the surplus angle at the upper end of the main beam (1) is reduced by rotation until the triangular limiting plate (20) slides through the structural beam (23), the high-strength spring (4) contracts, the main beam (1) reversely rotates by bypassing the hinge (5), the internal corner formed by the clamping piece (19) and the main beam (1) is clamped on the external corner of the structural beam (23), and the vertical plate of the additional beam section (21) is tightly attached to;
step nine, then, the hydraulic jack (10) is slowly contracted downwards, the standard knot vertical rod (12) is aligned to the sleeve on the main beam (1) and inserted until the standard knot is completely inserted into the sleeve; after the main beam (1) corresponding to the standard knot is fixed, the main beam (1) corresponding to the bottom of the hydraulic jack (10) can move up and down, so that after the top of the hydraulic jack (10) is fixed, the hydraulic jack (10) and the corresponding main beam (1) rise together, under the action of the pulley (11), the sleeve frame and the vertical rod (2) of the jack base at the lower part, the jack base (3) and the main beam (1) move upwards along a straight line until the triangular limiting plate (20) slides through the structural beam (23), the high-strength spring (4) contracts, the main beam (1) reversely rotates around the hinge (5), the clamping piece (19) and the internal corner formed by the main beam (1) are clamped on the external corner of the structural beam (23), the vertical plate of the additional beam section (21) is tightly attached to the wall body (22), and at the moment, the main beam (1) at the lower part of the hydraulic jack (10) and the main beam (1) at the, the vertical rod (2) of the base of the jack is fixedly connected with the corresponding sleeve; the verticality and the levelness of the standard section are met again, the standard section is adjusted until the standard section meets the requirements, and then the construction of the working face is carried out;
step ten, repeating the step eight and the step nine until the construction of the whole elevator shaft is completed; when the device is disassembled, the device is disassembled according to the reverse direction of the installation sequence.
CN202011562093.9A 2020-12-25 2020-12-25 Self-climbing device in elevator shaft and construction method thereof Active CN112695996B (en)

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