CN117468730A - Construction device and method for site installation of prefabricated stairway - Google Patents
Construction device and method for site installation of prefabricated stairway Download PDFInfo
- Publication number
- CN117468730A CN117468730A CN202311256125.6A CN202311256125A CN117468730A CN 117468730 A CN117468730 A CN 117468730A CN 202311256125 A CN202311256125 A CN 202311256125A CN 117468730 A CN117468730 A CN 117468730A
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- plate
- prefabricated staircase
- prefabricated
- tilting
- rod
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- 238000009434 installation Methods 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000010276 construction Methods 0.000 title claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 238000013459 approach Methods 0.000 claims description 4
- 238000011900 installation process Methods 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F21/00—Implements for finishing work on buildings
- E04F21/26—Implements for finishing work on buildings for mounting staircases, e.g. tools for marking steps
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/162—Handles to carry construction blocks
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/167—Tools or apparatus specially adapted for working-up plates, panels or slab shaped building elements
- E04G21/168—Tools or apparatus specially adapted for working-up plates, panels or slab shaped building elements used for tilting, e.g. from horizontal to vertical position or vice versa
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Steps, Ramps, And Handrails (AREA)
Abstract
The invention relates to a construction device for site installation of a prefabricated staircase in the field of constructional engineering, which comprises a scissor type lifter, wherein a tilting plate is arranged above the scissor type lifter through a tilting assembly, and the tilting assembly is used for controlling the tilting degree of the prefabricated staircase; two groups of left clamping plates are arranged on the left side of the inclined plate, and two groups of right clamping plates are arranged on the right side of the inclined plate; two groups of clamping mechanisms are arranged in the inclined plate, and the clamping mechanisms are arranged on the inclined plate in the prefabricated staircase, so that the left clamping plate and the right clamping plate can be driven to be close to each other to clamp the prefabricated staircase; the buffer component is arranged on one side of the left clamping plate, and can reduce the impact load of the prefabricated staircase sliding on the left clamping plate in the tilting process of the tilting plate.
Description
Technical Field
The invention relates to the field of constructional engineering, in particular to a construction device and a construction method for site installation of prefabricated stairways.
Background
Compared with the traditional cast-in-situ stairway, the prefabricated stairway does not need to be supported by a template or be watered for maintenance, solves the problems of complicated cast-in-situ stairway process and low construction efficiency, greatly shortens the construction period, is adopted by more and more projects, and generally, the traditional method for installing the prefabricated stairway is hoisting, namely, the prefabricated stairway is hoisted to a reserved installation position through operating a heavy tower crane port, so that reserved bolts on a floor slab penetrate into reserved screw holes at two ends of the prefabricated stairway; however, when the prefabricated stairway is installed in some two-storey small-storey houses, the installation cost is high by using large hoisting equipment, and the installation operation difficulty is high.
Based on the above, the present invention has devised a construction apparatus for site installation of prefabricated stairway and a method thereof, so as to solve the above-mentioned problems.
Disclosure of Invention
The invention aims to provide a construction device and a construction method for on-site installation of prefabricated stairways, which are used for solving the problems that in the prior art, when the prefabricated stairways are installed in two-layer small flat houses, the installation cost is high and the installation operation difficulty is high by using large hoisting equipment.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a construction equipment for prefabricated staircase field installation, includes shear type lift, its characterized in that: a tilting plate is arranged above the scissor type lifter through a tilting assembly, and the tilting assembly is used for controlling the tilting degree of the prefabricated staircase; two groups of left clamping plates are arranged on the left side of the inclined plate, and two groups of right clamping plates are arranged on the right side of the inclined plate; two groups of clamping mechanisms are arranged in the inclined plate, and the clamping mechanisms are arranged on the inclined plate in the prefabricated staircase, so that the left clamping plate and the right clamping plate can be driven to be close to each other to clamp the prefabricated staircase; the left grip block one side is provided with buffer unit, buffer unit is in the slope of hang plate in-process, can reduce prefabricated stair landing to the impact load of left grip block.
Preferably: the clamping mechanism comprises two telescopic rods capable of transversely sliding in the inclined plate, the left telescopic rod is rotationally connected with the left clamping plate, and the right telescopic rod is rotationally connected with the right clamping plate; the telescopic rod is transversely and elastically connected with a first rack rod in a sliding manner, a first spring is arranged between the first rack rod and the telescopic rod, a first meshing part is arranged on the first rack rod, one side of the first rack rod is provided with a pressing component capable of driving the first rack rod to transversely slide, and a second spring is arranged between the end part of the first rack rod and the inside of the inclined plate; the clamping mechanism further comprises a retraction assembly which is arranged on one side of the right clamping plate and can drive the right clamping plate to withdraw in the process that the prefabricated staircase approaches to and clings to a wall.
Preferably: the pressing component comprises a second rack bar capable of longitudinally sliding in the inclined plate and a wheel shaft arranged in the inclined plate, and the second rack bar is provided with a second meshing part; the gear shaft is rotationally connected with a pinion and a large gear, the pinion is fixedly connected with the large gear, the pinion can be meshed with the second rack part of the second rack rod, and the large gear can be meshed with the first rack part of the first rack rod.
Preferably: the retraction assembly comprises a support frame fixedly connected with the telescopic rod, a supporting rod is transversely elastically and slidably connected to the support frame, a third spring is arranged between the support frame and the supporting rod, a chute is arranged on the supporting rod, the chute can be matched with a boss fixedly connected in a right clamping plate in the process of transversely sliding the supporting rod, and the right clamping plate is driven to rotate along the axial direction of the telescopic rod so as to withdraw the right clamping plate.
Preferably: the tilting assembly comprises two supporting columns which are symmetrically distributed and fixedly connected with the scissor type lifter, the supporting columns are hinged to the middle of the tilting plate, the tilting assembly further comprises a motor arranged on the scissor type lifter, the output end of the motor penetrates through the top of the scissor type lifter to be fixedly connected with a screw rod, a stud is connected to the screw rod in a threaded mode, a supporting plate is hinged to the stud, and the supporting plate can slide at the bottom of the tilting plate.
Preferably: the buffer assembly comprises a slide bar which is arranged on one side of the left clamping plate and can transversely slide in the inclined plate, a buffer plate is fixedly connected to the slide bar, and a fourth spring is arranged between the buffer plate and the left clamping plate; the buffer component comprises a sliding plate which is arranged inside the inclined plate and can transversely slide in the inclined plate, the sliding plate is fixedly connected with the supporting plate, and two baffles which can transversely slide in the inclined plate are fixedly connected to the sliding plate.
Preferably: the telescopic rod and the first rack rod are respectively provided with a stop pin, so that the telescopic rod and the first rack rod rotate when the prefabricated staircase is prevented from tilting.
Preferably: the bottom of the scissor type lifter is provided with a universal wheel.
Preferably: the invention provides an installation method for on-site installation of a prefabricated staircase, which is characterized by comprising the following steps of:
the first step: the worker hangs the prefabricated staircase on a inclined plate in a horizontal state, the bottom of the prefabricated staircase is abutted with the second rack bar and pressed down, and the left clamping plate and the right clamping plate are mutually close to clamp the prefabricated staircase;
and a second step of: starting a scissor type lifter to lift the prefabricated staircase to a preset position;
and a third step of: starting a motor, lifting a stud, tilting a tilting plate, and tilting a prefabricated staircase placed on the tilting plate, so that the tilting angle of the prefabricated staircase is matched with the installation angle;
fourth step: moving the scissor type lifter to enable the prefabricated staircase to be close to and clung to a wall, and centering a reserved screw hole on the prefabricated staircase with reserved bolts on the ground and a middle platform; then starting the scissor type lifter to enable the prefabricated staircase to descend to the installation position, and completing the installation of the prefabricated staircase between the ground and the middle platform;
fifth step: and moving the scissor type lifter to finish the withdrawal of the device.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, only the scissor type lifter is operated by a worker to lift the prefabricated staircase, the motor is operated to tilt the prefabricated staircase, and then the prefabricated staircase can be installed by moving the scissor type lifter, so that the operation is simple, and the installation cost is greatly reduced.
2. When the prefabricated stairway is placed on the inclined plate, the left clamping plate and the right clamping plate are driven to be close to each other by the clamping mechanism, so that the prefabricated stairway can be prevented from swinging relative to the inclined plate in the moving process of the scissor type lifter, and meanwhile, the prefabricated stairway can be prevented from generating excessive slippage in the inclined process of the inclined plate, and the safety in the installation process is ensured; on the other hand fixture can the prefabricated staircase of the different width of self-adaptation, has improved the practicality of device.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of an installation location of the present invention;
FIG. 2 is a schematic view of the installation location of the prefabricated staircase of the present invention;
FIG. 3 is a schematic view of the overall structure of the present invention 1;
FIG. 4 is a schematic view of the overall structure of the present invention 2;
FIG. 5 is a schematic view of the overall structure of the present invention 3;
FIG. 6 is a schematic view in partial section of the present invention 1;
FIG. 7 is a schematic view of the enlarged structure of portion A and a hidden portion of the components of FIG. 6 according to the present invention;
FIG. 8 is an enlarged schematic view of the portion B of FIG. 6 according to the present invention;
FIG. 9 is a schematic view of a partial section of the present invention in section 1;
FIG. 10 is a schematic view in section of a part of the present invention 2;
FIG. 11 is a schematic view in partial cross-section of the present invention, shown in FIG. 2;
FIG. 12 is a schematic view in partial cross-section of the present invention, FIG. 3;
FIG. 13 is a process step diagram of the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
1-scissor lifts, 2-universal wheels, 3-tilt assemblies, 3-1-support columns, 3-2-studs, 3-3-screws, 3-4-support plates, 3-5-motors, 3-6-tilt plates, 4-clamping mechanisms, 4-1-telescoping rods, 4-2-first rack bars, 4-2-1-first engagement portions, 4-3-first springs, 4-4-hold down assemblies, 4-4-1-second rack bars, 4-4-2-second engagement portions, 4-4-3-axles, 4-4-pinions, 4-4-5-large gears, 4-5-second springs 4-6-retraction assembly, 4-6-1-support frame, 4-6-2-abutment, 4-6-3-third spring, 4-6-4-chute, 4-7-stop pin, 5-buffering assembly, 5-1-slide bar, 5-2-buffer plate, 5-3-fourth spring, 5-4-slide plate, 5-5-baffle, 6-left clamp plate, 7-right clamp plate, 7-1-boss, 8-wall, 9-intermediate platform, 10-reserved bolt, 11-prefabricated staircase, 11-1-reserved screw hole, 12-ground, C-left clamp plate clamping position, D-stair somewhere step position.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 and 2, a worker needs to complete the installation of the prefabricated staircase 11 between the ground 12 and the intermediate platform 9, so that the reserved bolts on the ground and the intermediate platform pass through the reserved screw holes 11-1 on the prefabricated staircase 11, the wall 8 is positioned at both sides of the intermediate platform 9, and the installation position of the prefabricated staircase 11 should be closely attached to the wall 8.
Referring to fig. 1-13, the present invention provides a technical solution:
a construction device for site installation of a prefabricated staircase, comprising a scissor lift 1, wherein a tilting plate 3-6 is arranged above the scissor lift 1 through a tilting assembly 3, and the tilting assembly 3 is used for controlling the tilting degree of the prefabricated staircase 11; two groups of left clamping plates 6 are arranged on the left side of the inclined plate 3-6, and two groups of right clamping plates 7 are arranged on the right side of the inclined plate 3-6; two groups of clamping mechanisms 4 are arranged in the inclined plates 3-6, and the clamping mechanisms 4 are placed on the inclined plates 3-6 in the prefabricated staircase 11 and can drive the left clamping plate 6 and the right clamping plate 7 to be close to each other to clamp the prefabricated staircase 11; the left grip block 6 one side is provided with buffer unit 5, buffer unit 5 is in the slope in-process of hang plate 3-6, can reduce the impact load of prefabricated staircase 11 landing to left grip block 6.
When in installation: firstly, hanging the prefabricated staircase 11 on the inclined plates 3-6 in the horizontal state (as shown in fig. 1-5), and driving the left clamping plate 6 and the right clamping plate 7 to be close to each other by the clamping mechanism 4 through the prefabricated staircase 11 to clamp the prefabricated staircase 11; driving the scissor lift 1 to lift the prefabricated staircase 11 to a preset position; subsequently, the tilting assembly 3 is driven to tilt the tilting plates 3-6, and the prefabricated staircase 11 placed on the tilting plates 3-6 is further driven to tilt until the tilting angle of the prefabricated staircase 11 is matched with the installation angle; subsequently, the scissor lift 1 is moved to enable the prefabricated staircase 11 to approach and cling to the wall (the prefabricated staircase 11 is attached to the right wall 8 in a manner as shown in fig. 1 and 2), in the process, the clamping mechanism 4 is firstly abutted against the wall 8 to drive the right clamping plate 7 to withdraw, the prefabricated staircase 11 is not interfered to cling to the wall 8, and the reserved screw holes 11-1 on the prefabricated staircase 11 are centered with the ground 12 and the reserved bolts 10 on the middle platform 9; finally, the scissor lift 1 is started to enable the prefabricated staircase 11 to descend to reach the installation position (the prefabricated staircase 11 is located at the installation position in combination with fig. 2), and the installation of the prefabricated staircase 11 between the first floor 12 and the middle platform 9 can be completed (the installation of the prefabricated staircase between the middle platform 9 and the second floor is similar to the step of the ascending, and details are omitted).
According to the invention, only a worker is required to hoist the prefabricated staircase 11 on the inclined plate 3-6, the clamping action on the prefabricated staircase 11 can be completed by utilizing the dead weight of the prefabricated staircase 11, the safety in the installation process is improved, then the scissor type lifter 1 is operated to lift the prefabricated staircase 11, the inclination action on the prefabricated staircase 11 is completed by operating the inclined assembly 3, finally the installation of the prefabricated staircase 11 can be completed by moving the scissor type lifter 1, the operation is simple, and the installation cost is greatly reduced.
As a further aspect of the invention: the clamping mechanism 4 comprises two telescopic rods 4-1 capable of transversely sliding in the inclined plates 3-6, the left telescopic rod 4-1 is movably connected with the left clamping plate 6, the right telescopic rod 4-1 is movably connected with the right clamping plate 7 (the left clamping plate 6 and the right clamping plate 7 can rotate along the axial direction of the telescopic rod 4-1 and can slide together with the telescopic rod 4-1); the telescopic rod 4-1 is transversely elastically and slidably connected with a first rack rod 4-2, a first spring 4-3 is arranged between the first rack rod 4-2 and the telescopic rod 4-1, a first meshing part 4-2-1 is arranged on the first rack rod 4-2, a pressing component 4-4 capable of driving the first rack rod 4-2 to transversely slide is arranged on one side of the first rack rod 4-2, and a second spring 4-5 is arranged between the end part of the first rack rod 4-2 and the inside of the inclined plate; the clamping mechanism 4 further comprises a retraction assembly 4-6 which is arranged on one side of the right clamping plate 7 and can drive the right clamping plate 7 to withdraw during the process of approaching and clinging to the wall of the prefabricated staircase 11.
When in use, the utility model is characterized in that: the pushing-down assembly 4-4 drives the first rack bar 4-2 to transversely slide under the driving of external force (at the moment, the second spring 4-5 is compressed), and then drives the telescopic bar 4-1 to transversely move, so that the left clamping plate 6 and the right clamping plate 7 are driven to be close to each other to clamp the prefabricated staircase 11 (the first spring 4-3 is in a stretching state, the stretching amount is related to the width of the prefabricated staircase), and then the retraction assembly 4-6 can drive the right clamping plate 7 to withdraw in the process of the prefabricated staircase 11 approaching and clinging to a wall, the installation is finished, the second spring 4-5 is reset after the pushing-down assembly 4-4 is not subjected to external force, and then drives the clamping mechanism 4 to reset.
When the prefabricated staircase 11 is placed on the inclined plate 3-6, the clamping mechanism 4 is arranged to drive the left clamping plate 6 and the right clamping plate 7 to be close to each other to clamp the prefabricated staircase 11, so that the prefabricated staircase 11 can be prevented from swinging relative to the inclined plate 3-6 in the moving process of the scissor type lifter 1, and meanwhile, the prefabricated staircase 11 can be prevented from generating excessive slippage in the tilting process of the inclined plate 3-6, and the safety in the installation process is ensured; on the other hand, the clamping mechanism 4 can adapt to the prefabricated stairway 11 with different widths, and the practicability of the device is improved.
As a further aspect of the invention: the pressing component 4-4 comprises a second rack bar 4-4-1 capable of longitudinally sliding in the inclined plate 3-6 and a wheel shaft 4-4-3 arranged in the inclined plate 3-6, and the second rack bar 4-4-1 is provided with a second meshing part 4-4-2; the wheel shaft 4-4-3 is rotatably connected with a pinion 4-4-4 and a large gear 4-4-5, the pinion 4-4 is fixedly connected with the large gear 4-4-5, the pinion 4-4 can be meshed with the second meshing part 4-4-2 of the second rack bar 4-1, and the large gear 4-4-5 can be meshed with the first meshing part 4-2-1 of the first rack bar 4-2.
The invention can drive the left clamping plate 6 and the right clamping plate 7 to be close to each other by utilizing the dead weight of the prefabricated staircase 11 to clamp the prefabricated staircase 11 by arranging the pressing component 4-4, and has simple structure and reliable connection.
As a further aspect of the invention: the retraction assembly 4-6 comprises a support frame 4-6-1 fixedly connected with the telescopic rod 4-1, a supporting rod 4-6-2 is transversely elastically and slidably connected to the support frame 4-6-1, a third spring 4-6-3 is arranged between the support frame 4-6-1 and the supporting rod 4-6-2, a chute 4-6-4 is arranged on the supporting rod 4-6-2, and the chute 4-6-4 can be matched with a boss 7-1 fixedly connected in a right clamping plate 7 in the transverse sliding process of the supporting rod 4-6-2 to drive the right clamping plate 7 to rotate along the axial direction of the telescopic rod 4-1 so as to withdraw the right clamping plate 7.
In the process of moving the scissor lift 1 to enable the prefabricated staircase 11 to approach and cling to the wall, as the right clamping plate 7 is in a clamping state, the prefabricated staircase 11 can be interfered to cling to the wall, so that the prefabricated staircase 11 can not reach the installation position, and when in use: the supporting rod 4-6-2 is firstly abutted with the wall 8, under the matching 7-1 of the chute 4-6-4 and the boss, the right clamping plate 7 is driven to rotate along the axial direction of the telescopic rod 4-1, and under the clamping state, the first spring 4-3 is in a stretching state, when the right clamping plate 6 rotates to the condition that the prefabricated staircase 11 is not clamped any more, the first spring is reset, the right clamping plate 7 and the retraction assembly 4-6 are driven to move towards the middle direction of the inclined plate 3-6, so that the aim of tightly attaching the prefabricated staircase 11 to the wall is achieved.
As a further aspect of the invention: the tilting assembly 3 comprises two supporting columns 3-1 which are symmetrically distributed and fixedly connected with the scissor type lifter 1, the supporting columns 3-1 are hinged to the middle of the tilting plate 3-6, the tilting assembly 3 further comprises a motor 3-5 arranged on the scissor type lifter 1, the output end of the motor 3-5 penetrates through the top of the scissor type lifter 1 and is fixedly connected with a screw rod 3-3, the screw rod 3-3 is in threaded connection with a stud 3-2, the stud 3-2 is hinged to a supporting plate 3-4, and the supporting plate 3-4 can slide at the bottom of the tilting plate 3-6.
When in use, the utility model is characterized in that: when the inclined plate 3-6 is required to incline, the motor 3-5 is started to drive the screw rod 3-3 to rotate, the screw rod 3-3 is connected with the screw bolt 3-2 through threads, the screw bolt 3-2 can ascend to drive the supporting plate 3-4 to ascend, and the supporting plate 3-4 is hinged with the screw bolt 3-2, the supporting plate 3-4 can slide at the bottom of the inclined plate 3-6, and meanwhile, under the combined action of the supporting columns 3-1, the supporting plate 3-4 ascends to incline the inclined plate 3-6.
According to the invention, the inclination assembly 3 is arranged, so that the inclination angle of the prefabricated staircase 11 can be reliably and stably matched with the installation angle, and the subsequent installation is convenient.
As a further aspect of the invention: the buffer assembly 5 comprises a slide bar 5-1 which is arranged on one side of the left clamping plate 6 and can transversely slide in the inclined plate 3-6, the slide bar 5-1 is fixedly connected with a buffer plate 5-2, and a fourth spring 5-3 is arranged between the buffer plate 5-2 and the left clamping plate 6; the buffer assembly 5 further comprises a sliding plate 5-4 which is arranged inside the inclined plate 3-6 and can transversely slide in the inclined plate 3-6, the sliding plate 5-4 is fixedly connected with the supporting plate 3-4, and two baffle plates 5-5 which can transversely slide in the inclined plate 3-6 are fixedly connected to the sliding plate 5-4.
Under left grip block 6 and right grip block 7 clamp the prefabricated staircase 11 state, follow-up inclined plate 3-6 can incline, because the grip position C of left grip block is difficult to guarantee to hug closely with the step position D of somewhere of stair, this will lead to prefabricated staircase 11 to slip a section distance, will be blocked by left grip block upper portion afterwards, can produce the rigidity impact to left grip block 6 at this moment, lead to left grip block 6 to damage and scrap easily, during the use: the left clamping plate 6 is in a clamping state, the baffle plate 5-5 can block the buffer plate 5-2 to prevent the buffer plate 5-2 from rotating, the inclined plate 3-6 is inclined, on one hand, the prefabricated staircase 11 slides down to impact the left clamping plate 6, but under the action of the fourth spring 5-3, the left clamping plate 6 can play a role in buffering impact generated by sliding down of the prefabricated staircase 11; on the other hand, as the inclined plate 3-6 is inclined, the baffle plate 5-5 can displace to drive the distance between the buffer plate 5-2 and the left clamping plate 6 to gradually decrease, so that the effect that the sliding displacement of the prefabricated staircase 11 is not excessively large is achieved.
According to the invention, the buffer assembly 5 is arranged, so that in the tilting process of the tilting plates 3-6, the left clamping plate 6 can play a role in buffering impact generated by sliding of the prefabricated staircase 11, meanwhile, the effect that the sliding displacement of the prefabricated staircase 11 is not too large is realized, and the service life of the left clamping plate 6 is prolonged.
As a further aspect of the invention: the telescopic rod 4-1 and the first rack rod 4-2 are respectively provided with a rotation stop pin 4-7, so that the telescopic rod 4-1 and the first rack rod 4-2 are prevented from rotating when the prefabricated staircase 11 is inclined, and safety is improved.
As a further aspect of the invention: the bottom of the scissor lift 1 is provided with a universal wheel 2, so that the scissor lift is convenient to move.
As a further aspect of the invention: the invention provides an installation method for site installation of prefabricated stairways,
the first step: the worker hangs the prefabricated staircase 11 on the inclined plate 3-6 which is positioned in the horizontal state, the bottom of the prefabricated staircase 3-6 is abutted with the second rack bar 4-4-1 and is pressed down, and the left clamping plate 6 and the right clamping plate 7 are mutually close to clamp the prefabricated staircase;
and a second step of: starting the scissor type lifter 1 to lift the prefabricated staircase 11 to a preset position;
and a third step of: starting the motor 3-5, lifting the stud 3-2, tilting the tilting plate 3-6, and tilting the prefabricated staircase 11 placed on the tilting plate 3-6, so that the tilting angle of the prefabricated staircase 11 is matched with the installation angle;
fourth step: moving the scissor lift 1 to enable the prefabricated staircase 11 to be close to and clung to the wall 8, and centering the reserved screw holes 11-1 on the prefabricated staircase 11 with the ground 12 and the reserved bolts 10 on the middle platform 9; then, starting the scissor type lifter 1 to enable the prefabricated staircase 11 to descend to reach the installation position, and completing the installation of the prefabricated staircase 11 between the first floor 12 and the middle platform 9 (the installation of the prefabricated staircase between the middle platform 9 and the second floor is similar to the step of the ascending, and the details are omitted); fifth step: the scissor lift 1 is moved to complete the withdrawal of the device.
Claims (9)
1. Construction equipment for site installation of prefabricated stairway, comprising a scissor lift (1), characterized in that: an inclined plate (3-6) is arranged above the scissor type lifter (1) through an inclined assembly (3), and the inclined assembly (3) is used for controlling the inclination degree of the prefabricated staircase (11); two groups of left clamping plates (6) are arranged on the left side of the inclined plate (3-6), and two groups of right clamping plates (7) are arranged on the right side of the inclined plate (3-6); two groups of clamping mechanisms (4) are arranged in the inclined plates (3-6), and when the prefabricated staircase (11) is placed on the inclined plates (3-6), the clamping mechanisms (4) can drive the left clamping plates (6) and the right clamping plates (7) to be close to each other to clamp the prefabricated staircase (11); the left clamping plate (6) is provided with a buffer component (5) on one side, and the buffer component (5) can reduce the impact load of the sliding of the prefabricated staircase (11) on the left clamping plate (6) in the tilting process of the tilting plate (3-6).
2. A construction device for site installation of a prefabricated staircase according to claim 1, characterized in that: the clamping mechanism (4) comprises two telescopic rods (4-1) capable of transversely sliding in the inclined plates (3-6), the left telescopic rod (4-1) is movably connected with the left clamping plate (6), and the right telescopic rod (4-1) is movably connected with the right clamping plate (7); the telescopic rod (4-1) is transversely elastically and slidably connected with a first rack rod (4-2), a first spring (4-3) is arranged between the first rack rod (4-2) and the telescopic rod (4-1), a first meshing part (4-2-1) is arranged on the first rack rod (4-2), a pressing component (4-4) capable of driving the first rack rod (4-2) to transversely slide is arranged on one side of the first rack rod (4-2), and a second spring (4-5) is arranged between the end part of the first rack rod (4-2) and the inside of the inclined plate (3-6); the clamping mechanism (4) further comprises a retraction assembly (4-6) which is arranged on one side of the right clamping plate (7) and can drive the right clamping plate (7) to withdraw in the process that the prefabricated staircase (11) approaches and clings to a wall.
3. A construction device for site installation of prefabricated stairways according to claim 2, wherein: the pressing component (4-4) comprises a second rack bar (4-4-1) capable of longitudinally sliding in the inclined plate (3-6) and an axle (4-4-3) arranged in the inclined plate (3-6), and the second rack bar (4-4-1) is provided with a second meshing part (4-4-2); the gear shaft (4-4-3) is rotationally connected with a pinion (4-4-4) and a large gear (4-4-5), the pinion (4-4-4) is fixedly connected with the large gear (4-4-5), the pinion (4-4) can be meshed with a second meshing part (4-4-2) of the second rack bar (4-4-1), and the large gear (4-4-5) can be meshed with a first meshing part (4-2-1) of the first rack bar (4-2).
4. A construction device for site installation of prefabricated stairways according to claim 2, wherein: the retraction assembly (4-6) comprises a support frame (4-6-1) fixedly connected with the telescopic rod (4-1), a supporting rod (4-6-2) is transversely and elastically connected to the support frame (4-6-1) in a sliding manner, a third spring (4-6-3) is arranged between the support frame (4-6-1) and the supporting rod (4-6-2), a chute (4-6-4) is formed in the supporting rod (4-6-2), and the chute (4-6-4) can be matched with a boss (7-1) fixedly connected in a right clamping plate (7) in the transverse sliding process of the supporting rod (4-6-2) to drive the right clamping plate (7) to rotate along the axial direction of the telescopic rod (4-1) so as to withdraw the right clamping plate (7).
5. A construction device for site installation of a prefabricated staircase according to claim 1, characterized in that: the tilting assembly (3) comprises two supporting columns (3-1) which are symmetrically distributed and fixedly connected with the scissor type lifter (1), the supporting columns (3-1) are hinged to the middle of the tilting plate (3-6), the tilting assembly (3) further comprises a motor (3-5) arranged on the scissor type lifter (1), the output end of the motor (3-5) penetrates through the top of the scissor type lifter (1) and is fixedly connected with a screw rod (3-3), a stud (3-2) is connected to the screw rod (3-3) in a threaded mode, a supporting plate (3-4) is hinged to the stud (3-2), and the supporting plate (3-4) can slide at the bottom of the tilting plate (3-6).
6. A construction apparatus for site installation of a prefabricated staircase as defined in claim 5, wherein: the buffer assembly (5) comprises a slide bar (5-1) which is arranged on one side of the left clamping plate (6) and can transversely slide in the inclined plate (3-6), the slide bar (5-1) is fixedly connected with a buffer plate (5-2), and a fourth spring (5-3) is arranged between the buffer plate (5-2) and the left clamping plate (6); the buffer assembly (5) further comprises a sliding plate (5-4) which is arranged inside the inclined plate (3-6) and can transversely slide in the inclined plate (3-6), the sliding plate (5-4) is fixedly connected with the supporting plate (3-4), and two baffles (5-5) which can transversely slide in the inclined plate (3-6) are fixedly connected to the sliding plate (5-4).
7. A construction device for site installation of prefabricated stairways according to claim 2, wherein: the telescopic rod (4-1) and the first rack rod (4-2) are respectively provided with a rotation stopping pin (4-7) to prevent the telescopic rod (4-1) and the first rack rod (4-2) from rotating when the prefabricated staircase (11) is inclined.
8. A construction device for site installation of a prefabricated staircase according to claim 1, characterized in that: the bottom of the scissor type lifter (1) is provided with a universal wheel (2).
9. A method for installing a prefabricated staircase in the field, which is applicable to the construction device for installing the prefabricated staircase in the field according to claim 6, and is characterized in that:
the first step: the worker hangs the prefabricated staircase (11) on the inclined plate (3-6) which is positioned in the horizontal state, the bottom of the prefabricated staircase (11) is abutted with the second rack bar (4-4-1) and is pressed downwards, and the left clamping plate (6) and the right clamping plate (7) are mutually close to clamp the prefabricated staircase (11);
and a second step of: starting a scissor type lifter (1) to lift the prefabricated staircase (11) to a preset position;
and a third step of: starting a motor (3-5), lifting a stud (3-2), tilting an inclined plate (3-6), and tilting a prefabricated staircase (11) placed on the inclined plate (3-6) along with the inclined plate to enable the tilting angle of the prefabricated staircase (11) to be matched with the installation angle;
fourth step: moving the scissor type lifter (1) to enable the prefabricated staircase (11) to be close to and clung to a wall, and centering the reserved screw hole (11-1) on the prefabricated staircase (11) with the reserved bolt (10) on the ground (12) and the middle platform (9); then, starting the scissor type lifter (1) to enable the prefabricated staircase (11) to descend to reach the installation position, and completing the installation of the prefabricated staircase (11) between the ground (12) and the middle platform (9);
fifth step: and moving the scissor type lifter (1) to finish the withdrawal of the device.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310723389 | 2023-06-16 | ||
| CN2023107233891 | 2023-06-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117468730A true CN117468730A (en) | 2024-01-30 |
Family
ID=89635513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311256125.6A Pending CN117468730A (en) | 2023-06-16 | 2023-09-27 | Construction device and method for site installation of prefabricated stairway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117468730A (en) |
-
2023
- 2023-09-27 CN CN202311256125.6A patent/CN117468730A/en active Pending
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