CN111270867A - Novel roof steel truss suspension assembly type elevator structure and construction method thereof - Google Patents
Novel roof steel truss suspension assembly type elevator structure and construction method thereof Download PDFInfo
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- CN111270867A CN111270867A CN202010069356.6A CN202010069356A CN111270867A CN 111270867 A CN111270867 A CN 111270867A CN 202010069356 A CN202010069356 A CN 202010069356A CN 111270867 A CN111270867 A CN 111270867A
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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
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0266—Enlarging
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B3/00—Applications of devices for indicating or signalling operating conditions of elevators
- B66B3/002—Indicators
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F17/00—Vertical ducts; Channels, e.g. for drainage
- E04F17/005—Lift shafts
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Abstract
The invention relates to a novel roof steel truss suspension assembly type elevator structure and a construction method thereof, and belongs to the field of building elevator engineering. The elevator structure comprises a roof steel truss, a steel frame well and a steel connecting beam, wherein one end of the roof steel truss is connected with a column or a beam of an original building, and the other end of the roof steel truss is connected with the top of the steel frame well; one end of each steel connecting beam is connected with the original building, and the other end of each steel connecting beam is connected with an upright post of a steel frame well; the height from the bottom of the steel frame shaft to the ground is not less than 4m, a lift car is arranged in the steel frame shaft, and when passengers need to be picked up and sent to the ground, the lift car can be separated from the steel frame shaft and descend to the ground; the roof steel truss and the columns or beams of the original building, the roof steel truss and the steel frame hoistway, the steel frame hoistway and the steel connecting beams are connected through bolts. The invention solves the lighting problem of the bottom resident, does not affect the ground traffic, and people and vehicles can pass through the bottom of the elevator shaft.
Description
Technical Field
The invention relates to a novel roof steel truss suspension assembly type elevator structure and a construction method thereof, and belongs to the technical field of building elevator engineering.
Background
In order to meet the demand of population aging development, improve and serve the people practically and improve the quality of life of the people, the old residential district is guided to be additionally provided with the elevator according to the principle of 'government guidance, owner decision, market operation and financial subsidy', so that the convenience of going out of the residents, especially the old residents, is met. However, the traditional installation scheme has the problems of long construction period, influence on lighting of bottom residents, community traffic and the like, so that the pushing resistance of the elevator is large.
The existing elevator is a floor type additionally installed elevator with a bottom pit, lighting and ground traffic of residents at the bottom layer can be influenced, the construction period is long, and the influence on daily life of residents is large;
the design of the floor type with the bottom pit and the elevator is provided with an external corridor, particularly a transverse external corridor, which has adverse effect on the privacy of residents, shields the original building to a certain extent and influences lighting and ventilation.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a novel roof steel truss suspension assembly type elevator structure and a construction method thereof, which solve the lighting problem of a bottom resident, do not influence ground traffic, and enable people and vehicles to pass through the bottom of an elevator shaft.
The invention adopts the following technical scheme:
the invention provides a novel roof steel truss suspension assembly type elevator structure which comprises a roof steel truss, a steel frame shaft and a steel connecting beam, wherein the roof steel truss, the steel frame shaft and the steel connecting beam are all manufactured in a factory, and the steel frame shaft is suspended on the outer side of a staircase of an original building;
one end of the roof steel truss is connected with a column or a beam of an original building, and the other end of the roof steel truss is connected with the top of a steel frame hoistway; the steel connecting beams are multiple, and the middle steel connecting beams are arranged in an interlayer mode as required except for the bottom steel connecting beam and the top steel connecting beam, so that materials are saved; one end of each steel coupling beam is connected with the original building, the other end of each steel coupling beam is connected with the upright post of the steel frame well, and the rest steel coupling beams except the steel coupling beams at the upper end and the lower end of the steel coupling beams are connected with the lower end of the stair rest platform of the original building, so that the floor elevation at the corridor of the steel coupling beams is consistent with the elevation of the rest platform; the height from the bottom of the steel frame well to the ground is not less than 4m, so that a fire truck is not hindered from passing through the steel frame well;
the lift car is arranged in the steel frame well, and when passengers need to be picked up and sent to the ground, the lift car can be separated from the steel frame well and descend to the ground, so that a user can conveniently get on and off the elevator;
the roof steel truss and the columns or beams of the original building, the roof steel truss and the steel frame hoistway, the steel frame hoistway and the steel connecting beams are all connected through bolts.
It is noted that references to "columns" in the present invention include constructional columns of a brick-concrete structure and columns of a frame structure, and references to "beams" include ring beams of a brick-concrete structure and beams of a frame structure. The ring beam is a continuous closed beam arranged along the periphery of the outer wall of the building and part of the inner transverse wall, and the arrangement parts of the constructional columns are connected with the ring beam at the four corners of the outer wall, the joint of the transverse wall and the outer longitudinal wall, two sides of a larger hole, the joint of the inner wall and the outer wall of a large room and the like to form a space frame resisting bending and shearing.
The roof steel truss is connected with the columns or beams of the original building, so that the stability of the roof steel truss is better, the damage to the original building is smaller, and the structural reinforcement is not needed.
The invention has the advantages that the privacy of the resident is protected by entering the resident through the stair rest platform; each component of whole elevator is prefabricated by the mill, and the on-the-spot speed of assembling is fast, has shortened construction cycle greatly, and is less to resident family's daily production influence, and the component can be dismantled, but cyclic utilization.
Preferably, the roof steel truss is sized according to the location of the building columns and beams. The specific size of the steel frame hoistway can be determined according to the height of the original building and the size of the staircase between two households, which is not described in detail herein.
Preferably, the roof steel truss adopts the shaped steel welding to form, roof steel truss goes up with the post or the roof beam junction of original building to and all weld with steelframe well junction has first end plate, and the welding of steelframe well has the second end plate with roof steel truss junction, and the first end plate of roof steel truss one end passes through spherical bearing and connects the post or the roof beam of original building, and the first end plate of the roof steel truss other end passes through bolted connection second end plate.
Preferably, the upper base plate of the spherical support is connected with the first end plate at one end of the roof steel truss through a bolt, and the lower base plate of the spherical support is directly connected with a column or a beam of the original building through a bolt. The supporting shoe both sides embedding of spherical support goes up the inslot of bedplate and bedplate down, can prevent roof steel truss structure tip perk, also has the anti-drawing function simultaneously.
The spherical bearing can adopt the prior art, preferably adopts a QZ spherical bearing, and the horizontal bearing capacity, the vertical pulling force, the overall strength and the seismic performance of the bearing are better, for example, the QZ spherical bearing of the constant water-seismic engineering rubber company Limited is adopted.
Preferably, the steelframe well adopts steel pipe or H shaped steel etc. to form through welding or bolted connection, and the steelframe well includes steel frame roof beam and stand, the steel links the roof beam and has the third end plate with the welding of original building junction, links the roof beam junction with the steel on the steelframe well and also is provided with the second end plate, and this second end plate links roof beam one end direct bolted connection with the steel, and the steel links the original building of third end plate bolted connection of the roof beam other end.
The invention is in a half-floor entrance form, and the third end plate at the other end of the steel coupling beam is connected with the lower end of a stair rest platform in the middle of the staircase of the original building through bolts so as to ensure that the floor elevation at the corridor of the steel coupling beam is consistent with the elevation of the rest platform.
Preferably, the steel coupling beam is made of H-shaped steel, steel pipes or other shaped steel.
Preferably, a composite wallboard is hung outside the steel frame well, the composite wallboard comprises an inner layer of ultra-high performance concrete (UHPC) plate, an outer layer of UHPC plate and a heat insulation layer positioned between the two layers of ultra-high performance concrete plates, the inner layer of ultra-high performance concrete plate and the outer layer of ultra-high performance concrete plate are connected through an FRP connecting piece, integrity is guaranteed, the ultra-high performance concrete plates are used for guaranteeing the bearing capacity of the composite wallboard, such as wind load, and the middle heat insulation layer mainly plays a role in heat insulation.
The FRP connecting piece is a commonly used connecting piece in the prior art and can be selected in the prior art.
The mounting means of above-mentioned composite wall panel adopts prior art, can use current rigid node to connect, also can adopt application number 201721291785.8, and the authorization notice number is CN 207260376U, in the name "novel steel frame building wall's connected mode" the mode connect composite wall panel, composite wall panel and steel frame roof beam pass through last node and lower nodal connection promptly, wherein:
the upper end surface of the upper flange of the steel frame beam is fixedly connected with a transition connecting piece;
the lower node comprises an L-shaped steel plate, the L-shaped steel plate is fixedly connected with the transition connecting piece, a round hole is formed in the horizontal end face of the L-shaped steel plate, a first bolt penetrates through the round hole to be connected with the lower end face of the composite wallboard, and a spring is sleeved on the first bolt;
the upper node comprises a folded steel plate, one end of the folded steel plate is provided with a first long round hole along the length direction of the folded steel plate, the other end of the folded steel plate is provided with a second long round hole along the width direction of the folded steel plate, a second bolt penetrates through the first long round hole to be connected with the upper flange of the steel frame beam, and a third bolt penetrates through the second long round hole to be connected with the upper flange of the composite wallboard;
the folded steel plate is disposed in a cavity formed by the L-shaped steel plate and the upper flange of the steel frame beam, and for a more detailed connection structure, refer to the patent publication No. 201721291785.8, which is not repeated herein. The upper node and the lower node adopted by the connection mode can enable the composite wallboard to move relatively to the steel frame beam in three directions, so that the aim of shock absorption is achieved, the stress of the wallboard and the steel frame beam in an earthquake is reduced, and the shock absorption effect is improved.
Preferably, a sealing plate is arranged at the bottom of the steel frame well.
Preferably, the sealing plate is divided into a left part and a right part from the center and respectively comprises a baffle, a traction arm and a traction motor, the traction motor is arranged at the edge of a gap between the steel frame well and the lift car and is connected with the traction arm and drives the traction arm to move, the traction arm is hinged with the baffle, the baffle can move downwards under the action of the traction arm, one end of each of the left part and the right part of the baffle is hinged to the inner wall of the steel frame well, the other end of each of the left part and the right part of the baffle is connected with the center through a joint, the traction motor is connected with a control room of the elevator, when the elevator needs to descend to the ground, the control room transmits a signal to the traction motor, the traction elevator works, and the left part of the baffle and.
The elevator need not from the ground man-hour when moving in-process, and the elevator does not reach ground and only moves in the steelframe well promptly, and the shrouding is the closed condition, when needing to reach ground through the shrouding, but the shrouding opens and shuts automatically, guarantees the safety and the thermal insulation performance of car in the well.
Preferably, steelframe well internal fixation is provided with the guide rail, fixed being provided with on the car with guide rail matched with guide bar, the lower extreme of guide bar and the lower extreme parallel and level of car, 6m are no less than to the length of guide bar to guarantee that the car can reach ground, of course, when needs stop at the highest floor, the guide bar that exceeds the car top can not influence its and stop.
The elevator is provided with a tractor, and the elevator car can be controlled to stably reach the ground by arranging a speed reducer of the tractor, wherein the prior art can be referred to.
Preferably, a buffer device is arranged below the elevator shaft to protect the elevator car.
The buffer device is preferably an elevator spring buffer, any commercial product in the prior art can be adopted, the implementation of the invention is not influenced, the bottom of the buffer is positioned below the ground, the top of the buffer is slightly higher than the ground, when the elevator car falls to the ground, the buffer falls on the buffer, the buffer plays a buffer role, and in order to prevent the top of the buffer from exposing the ground to influence the passing, a thick rubber plate can be covered on the buffer.
Preferably, lifting guardrails are arranged on the ground below the elevator shaft, the lifting guardrails enclose a square shape, the lift car is located in the center of the square shape after falling to the ground, the linear distance L between each side of each lifting guardrail and a ground projection line corresponding to the side of the steel frame shaft is not less than 1.5m, the height of each lifting guardrail is not less than 1.1m, the lifting guardrails are located below the ground when not in operation, the tops of the lifting guardrails are flush with the ground, the passing of ground people and vehicles is not hindered, and when the lifting guardrails work, the guardrails extend out of the ground to protect the lift car and prevent people and vehicles from entering the lower part of the elevator;
when the elevator needs to descend to the ground, the sealing plate is opened, the lifting guardrail rises, the elevator car slowly descends, the guardrail positioned in front of the elevator door descends, the rest three guardrails are kept still, when the elevator descends or after the elevator is completed, the elevator ascends, the guardrail descends, and the sealing plate is closed.
The lifting guardrails comprise a plurality of lifting rods, preferably 9 lifting rods, the lifting rods are connected through grids, wherein 7 lifting rods and the grids form a three-side guardrail which is not positioned in front of the elevator door, and the rest 2 lifting rods and the grids between the lifting rods form a guardrail positioned in front of the elevator door;
the lifting guardrail also comprises a hydraulic driving system (located underground) and a control system, the control system is connected with a control room of the elevator, when the car is ready to fall to the ground, the control room of the elevator can transmit signals to the control system of the lifting guardrail, and the hydraulic driving system is controlled to operate, so that 9 lifting rods rise simultaneously (9 lifting rods can receive signals independently, namely the lifting rods are controlled to rise and fall independently through the hydraulic driving system), namely the guardrail rises from the underground, the elevator slowly falls, 2 lifting rods on one side of the guardrail in front of the elevator door fall, and the rest three side guardrails are kept still, when the car of the elevator rises to a steel frame well, the three side guardrails totally have 7 lifting columns, and the received signals fall to the ground at the same time.
When the lifting guardrail is not in operation, the lifting guardrail is positioned below the ground (the lifting guardrail is preferably provided with a groove at the ground, so that the lifting guardrail is convenient to fall), the top of the lifting guardrail can be flush with the ground, daily vehicles and pedestrians are not influenced to pass, and when the lifting guardrail needs to rise, the guardrail extends out of the ground, so that the vehicles, pedestrians and animals are prevented from entering the lifting guardrail by mistake and causing injury.
Preferably, the invention also comprises a ground early warning system, and when the elevator needs to descend to the ground, the ground early warning system can send out voice prompt in advance to remind pedestrians and vehicles not to pass through.
The ground early warning system can adopt prior art to go on, if can adopt AI intelligent analysis discernment early warning system, including intelligent recognition camera, control system two, the voice broadcast ware, intelligent recognition camera all is connected with control system two with the voice broadcast ware. The intelligent recognition camera detects moving objects such as people, vehicles, pets and the like in a certain range (such as a range of 5m square and round) around the steel frame shaft, if the moving objects are detected, the control system II transmits signals to a control room of the elevator, the control room controls the elevator to stop at the bottom of the steel frame shaft and not to descend to the ground, and meanwhile, the control system II transmits signals to a voice broadcaster to broadcast and prompt voice; when the intelligent identification camera does not detect the moving object, the second control system transmits a signal to the control room of the elevator to control the elevator to descend to the ground.
In the prior art, whether there is a moving object in a certain range is identified by adopting an intelligent identification camera, and the prior art can be referred to for a relatively mature technology.
The control system I and the control system II can adopt a conventional microcontroller, can be obtained from commercial sources, and are not described in detail here.
The invention also provides a construction method of the novel roof steel truss suspension assembly type elevator structure, which comprises the following steps:
(1) determining the sizes of a roof steel truss, a steel frame well and a steel connecting beam according to the building scale of an outdoor elevator to be additionally installed, wherein each part of the component is manufactured by a factory according to specific conditions;
(2) during field operation, the prefabricated roof steel truss is firstly hoisted to the roof of the original building, connected with the column or beam of the original building through the spherical support, then connected with the steel frame well through the bolt, and finally the elevator well and the steel connecting beam of the original building are installed and connected.
(3) And after the roof steel truss and the steel frame well are installed, the composite wall plate is installed from bottom to top.
(4) The elevator and its auxiliary structure are installed in the shaft of steel frame.
It should be noted that the elevator of the present invention is also provided with other structures, such as a control room, a car is connected with a steel belt, the steel belt is connected with a traction machine, etc., which do not belong to the innovation point of the present invention, and can adopt the prior art, and the implementation of the present invention is not affected, and the details are not repeated herein.
The invention is not described in detail, and can be carried out by adopting the prior art.
The invention has the beneficial effects that:
1) the invention adopts a vertical steel frame well way form suspended by the roof steel truss, and the roof steel truss is connected with the column or beam of the original structure, so that the whole structure is safer and has good anti-seismic effect.
2) The novel roof steel truss suspension assembly type elevator structure and the construction method thereof effectively utilize the lower space of the suspension type steel frame hoistway, solve the lighting problem of the bottom resident, do not influence ground traffic, and enable people and vehicles to pass through the bottom of the elevator hoistway.
3) The assembled elevator is low in cost, all parts are prefabricated in factories and assembled on site by adopting bolt connection, the assembly is convenient and quick, the construction period is shortened, and the parts can be disassembled for recycling and have small influence on the life of residents.
4) All components of the assembled elevator are steel structures, and steel materials have the characteristics of high strength, light dead weight and high rigidity, and meanwhile, because the steel materials are good in homogeneity and toughness, the assembled elevator can deform greatly, can bear power load well and has good shock resistance; in addition, the nodes are connected by adopting spherical supports or bolts, so that the influence of residual stress generated by welding and quality defects of welding seams on the anti-seismic performance of the structure is avoided, and the anti-seismic performance is better.
Drawings
Fig. 1 is a schematic perspective view of the novel roof steel truss suspended assembly elevator structure of the present invention;
fig. 2 is a schematic cross-sectional view of the car of the present invention in a steel frame hoistway;
fig. 3 is a schematic plan view of the novel roof steel truss suspended assembly elevator structure of the present invention;
FIG. 4(a) is a schematic view of the connection relationship between the roof steel truss and the steel frame hoistway;
FIG. 4(b) is a bottom view of the connection between the roof steel truss and the steel frame hoistway;
FIG. 5 is a schematic view of the connection between the spherical bearing and the roof steel truss and the original building;
FIG. 6(a) is a schematic view showing a connection relationship between a steel frame hoistway and a steel coupling beam;
FIG. 6(b) is a cross-sectional view taken along line 1-1 in FIG. 6 (a);
FIG. 7(a) is a schematic view of the connection relationship between the steel coupling beam and the original building;
FIG. 7(b) is a cross-sectional view taken along line 2-2 of FIG. 7 (a);
FIG. 8 is a schematic view of a closure plate of the present invention;
fig. 9 is a schematic structural view of the car of the present invention outside of the steel frame hoistway;
FIG. 10 is a schematic view of the construction of the lifting fence of the present invention;
FIG. 11 is a top view of the lifting fence of the present invention;
FIG. 12 is a schematic diagram of a ground based early warning system according to an embodiment of the present invention;
the system comprises a roof steel truss 1, a steel frame well 2, a steel connecting beam 3, a car 4, a stair resting platform 5, a spherical support 6, an upper seat plate 6.1, a lower seat plate 6.2, a support block 6.3, a first end plate 7, a second end plate 8, a steel frame beam 9, a vertical column 10, a third end plate 11, a sealing plate 12, a baffle plate 12.1, a traction arm 12.2, a traction motor 12.3, a guide rail 13, a guide rod 14, a buffer device 15, a lifting guardrail 16.1, a lifting rod 16.2, a grating 16.2, an intelligent identification camera 17, a control system II 18, a voice broadcaster 19 and a corridor 20.
The specific implementation mode is as follows:
in order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific examples, but not limited thereto, and the present invention is not described in detail and is in accordance with the conventional techniques in the art.
Example 1:
a novel roof steel truss suspension assembly type elevator structure is shown in figures 1-3 and comprises a roof steel truss 1, a steel frame well 2 and a steel connecting beam 3, wherein the roof steel truss 1, the steel frame well 2 and the steel connecting beam 3 are all manufactured in a factory, the steel frame well 2 is suspended on the north side of an original building, between two adjacent households and on the outer side of an original staircase;
one end of the roof steel truss 1 is connected with a column or a beam of an original building, and the other end of the roof steel truss is connected with the top of a steel frame well 2; the steel connecting beams 3 are multiple, and the middle steel connecting beams are arranged in an interlayer mode as required except the bottom steel connecting beams 3 and the top steel connecting beams 3, so that materials are saved; one end of each steel coupling beam 3 is connected with the original building, the other end of each steel coupling beam is connected with the inner side (namely, the side close to the original building) of the upright post of the steel frame well 2, and the rest steel coupling beams except the steel coupling beams at the upper end and the lower end are connected with the lower end of the stair rest platform of the original building, so as to ensure that the floor elevation at the corridor of the steel coupling beams 3 is consistent with the elevation of the rest platform; the height from the bottom of the steel frame well 2 to the ground is not less than 4m, so that the fire truck is not hindered from passing through;
a lift car 4 is arranged in the steel frame shaft 2, when passengers need to be picked up and carried to the ground, the lift car 4 can be separated from the steel frame shaft 2 and descend to the ground, and a user can conveniently get on and off the elevator;
the roof steel truss 1 and the columns or beams of the original building, the roof steel truss 1 and the steel frame shaft 2, the steel frame shaft 2 and the steel connecting beam 3, and the steel connecting beam 3 and the original building are all connected through bolts.
It is noted that references to "columns" in the present invention include constructional columns of a brick-concrete structure and columns of a frame structure, and references to "beams" include ring beams of a brick-concrete structure and beams of a frame structure. The ring beam is a continuous closed beam arranged along the periphery of the outer wall of the building and part of the inner transverse wall, and the arrangement parts of the constructional columns are connected with the ring beam at the four corners of the outer wall, the joint of the transverse wall and the outer longitudinal wall, two sides of a larger hole, the joint of the inner wall and the outer wall of a large room and the like to form a space frame resisting bending and shearing. The roof steel truss is connected with the constructional columns or ring beams of the original building, so that the stability of the roof steel truss is better, the damage to the original building is smaller, and the structural reinforcement is not needed.
The invention has the advantages that the privacy of the residents is protected by entering the residents through the corridor 20 stair rest platform 5 of the steel coupling beam; each component of whole elevator is prefabricated by the mill, and the on-the-spot speed of assembling is fast, has shortened construction cycle greatly, and is less to resident family's daily production influence, and the component can be dismantled, but cyclic utilization.
Example 2:
the utility model provides a novel roof steel truss hangs assembled elevator structure, the structure is shown as embodiment 1, the difference is, roof steel truss 1 adopts the shaped steel welding to form, roof steel truss 1 goes up with the post or the roof beam junction of original building, and all weld first end plate 7 with steelframe well 2 junction, steelframe well 2 goes up to weld with roof steel truss 1 junction has second end plate 8, the first end plate 8 of 1 one end of roof steel truss passes through ball bearing 6 and connects the post or the roof beam of original building, first end plate 7 of the 1 other end of roof steel truss passes through bolted connection second end plate 8, as shown in fig. 4(a), 4 (b).
Example 3:
the utility model provides a novel roof steel truss hangs assembled elevator structure, the structure is shown as embodiment 2, the difference is, as shown in figure 5, spherical support 6's last bedplate 6.1 passes through the first end plate 7 of bolted connection roof steel truss one end, spherical support's lower bedplate 6.2 passes through the post or the roof beam of original building of bolted connection, 6.3 both sides embedding of spherical support's supporting shoe 6.3 bedplate 6.1 and the inslot of bedplate 6.2 down can prevent roof steel truss 1 structure tip perk, also have the anti-drawing function simultaneously.
In this embodiment, the spherical bearing is a QZ spherical bearing of the rubber ltd.
Example 4:
the utility model provides a novel roof steel truss hangs assembled elevator structure, the structure is shown as embodiment 3, the difference is, steel frame well 2 adopts square steel tube welded to form, including steel frame roof beam 9 and stand 10, the steel links roof beam 3 and welds with original building junction has third end plate 11, link roof beam 3 junction also to be provided with second end plate 8 with the steel on the steel frame well 2, this second end plate 8 links roof beam 3 direct bolted connection with the steel, as shown in fig. 6(a), 6(b), the steel links the original building of third end plate bolted connection of the 3 other ends of roof beam, as shown in fig. 7(a), 7 (b).
The invention is in a half-floor entrance form, and a third end plate 11 at the other end of a steel connecting beam 3 is directly bolted with the lower end of a stair rest platform 5 in the middle of the staircase of the original building.
Example 5:
a novel roof steel truss suspension assembly type elevator structure is shown in embodiment 4, and is different from the structure in that a steel connecting beam 3 is made of H-shaped steel.
Example 6:
the utility model provides a novel roof steel truss hangs assembled elevator structure, the structure is shown as embodiment 5, the difference is, 2 external compound wallboard that have of steelframe well, compound wallboard includes inside and outside two-layer ultra high performance concrete slab and is located the heat preservation in the middle of the two-layer ultra high performance concrete slab, inside and outside two-layer ultra high performance concrete slab passes through the FRP connecting piece and connects, guarantee the wholeness, ultra high performance concrete slab's effect is for guaranteeing compound wallboard's bearing capacity, like wind load etc., middle heat preservation mainly plays thermal-insulated heat retaining effect.
In this embodiment, the FRP connector is the FRP shear connector mentioned in the patent with application No. 201710536108.6 and application publication No. CN 107386556A.
In this embodiment, the installation method of the composite wall panel is the method described in application No. 201721291785.8, No. CN 207260376U, and the name "connection method of novel steel frame building wall body", in which the composite wall panel is connected to the steel frame beam through the upper node and the lower node, the upper end face of the upper flange of the steel frame beam is fixedly connected to the transition connecting piece, and the specific connection relationship refers to the publication of this patent.
Example 7:
the utility model provides a novel roof steel truss hangs assembled elevator structure, the structure is shown as embodiment 6, and the institute is different is, and 2 bottoms of steelframe well are provided with shrouding 12.
As shown in fig. 8, the closing plate 12 is divided into a left part and a right part from the center, and each part includes a baffle 12.1, a traction arm 12.2 and a traction motor 12.3, the traction motor 12.3 is disposed at the edge of the gap between the steel frame hoistway 2 and the car 4, is connected with the traction arm 12.2 and drives the traction arm 12.2 to move, the traction arm 12.2 is hinged with the baffle 12.1, the baffle 12.1 can move downwards under the action of the traction arm 12.2, one end of the baffle of the left part and the right part is hinged on the inner wall of the steel frame hoistway 2, the other end is connected with the center in a seaming manner, the traction motor 12.3 is connected with a control room of the elevator, when the elevator needs to descend to the ground, the control room transmits a signal to the traction motor, the traction elevator works, and the baffle of the left part and the baffle of the right part can.
When the elevator need not from the ground man-hour in the operation process, promptly the elevator does not reach ground and only moves in steelframe well 2, shrouding 12 is the closed condition, when needing to reach ground through shrouding 12, shrouding 12 can open and shut automatically, guarantees the safety and the thermal insulation performance of car in the well.
Example 8:
the utility model provides a novel roof steel truss hangs assembled elevator structure, the structure is shown as embodiment 7, the difference is, steel frame well 2 internal fixation is provided with guide rail 13, the last fixed guide bar 14 that is provided with guide rail 13 matched with of car 4, as shown in FIG. 9, the lower extreme of guide bar 14 is level and level with car 4's lower extreme, 6m is no less than to guide bar 14's length, in order to guarantee that car 4 can reach ground, of course, when needs rest at the highest floor, the guide bar that exceeds the car top also need guarantee can not influence the berth of elevator, because the highest stopping point of elevator is generally in the position half apart from the top layer one deck, generally can not influence.
Generally, a traction machine is arranged in each elevator, and the elevator car can be controlled to smoothly reach the ground by arranging a speed reducing device of the traction machine, and the prior art can be referred to.
Example 9:
the utility model provides a novel roof steel truss hangs assembled elevator structure, the structure is shown as embodiment 8, and the difference is that 2 below in elevator well are provided with buffer 15 to protection elevator car 4, buffer adopt current elevator spring buffer.
Example 10:
a novel roof steel truss hangs assembled elevator structure, the structure is as shown in embodiment 9, the difference is, as shown in fig. 10, 11, there are lifting guardrails 16 on the ground below the lift well 2, lifting guardrails 16 enclose into a square, the car 4 descends to the ground and then locates at the square center, the straight line distance L between each side of lifting guardrail 16 and the ground projection line of the corresponding steel frame well side is not less than 1.5m, the height of lifting guardrail 16 is not less than 1.1m, when lifting guardrail 16 is not working, it locates under the ground, its top is flush with the ground, do not hinder the ground people and vehicles to pass through, when lifting guardrail is working, the guardrail stretches out of the ground, protect the car, prevent people and vehicles from entering under the lift well by mistake;
when the elevator needs to descend to the ground, the sealing plates 12 are opened, the lifting guardrails 16 rise, the elevator car slowly descends, when the elevator descends or after the elevator finishes taking the elevator, the elevator ascends, the guardrails descend, and the sealing plates 12 are closed.
The lifting guardrail 16 comprises a plurality of lifting rods 16.1, preferably 9, the lifting rods 16.1 are connected through grids 16.2, wherein 7 lifting rods and the grids form a three-side guardrail which is not positioned in front of the elevator door, and the rest 2 lifting rods and the grids between the lifting rods form a side guardrail positioned in front of the elevator door;
the lifting guardrail 16 further comprises a hydraulic driving system (located underground) and a control system, the control system is connected with a control room of the elevator, when the car is ready to fall to the ground, the control room of the elevator can transmit signals to the control system of the lifting guardrail, and the hydraulic driving system is controlled to operate, so that 9 lifting rods rise simultaneously (9 lifting rods can receive signals independently, namely the lifting rods are controlled to rise and fall independently through the hydraulic driving system), namely the guardrail rises from the underground, the elevator slowly falls, 2 lifting rods on one side of the guardrail in front of the elevator door fall, the rest three side guardrails are kept still, when the car rises to a steel frame well, the three side guardrails totally have 7 lifting columns, and the received signals fall to the ground at the same time.
When the lifting guardrail is not in operation, the lifting guardrail is positioned below the ground (the lifting guardrail is preferably provided with a groove at the ground, so that the lifting guardrail is convenient to fall), the top of the lifting guardrail can be flush with the ground, daily vehicles and pedestrians are not influenced to pass, and when the lifting guardrail needs to rise, the guardrail extends out of the ground, so that the vehicles, pedestrians and animals are prevented from entering the lifting guardrail by mistake and causing injury.
In this embodiment, an 8-bit 68HC microcontroller may be used in the control system.
Example 11:
the invention discloses a novel roof steel truss suspension assembly type elevator structure, which is structurally shown as an embodiment 10, and is different from the structure that the novel roof steel truss suspension assembly type elevator structure further comprises a ground early warning system, wherein when the elevator needs to descend to the ground, the ground early warning system can give out a voice prompt in advance to remind pedestrians and vehicles of not passing through the elevator.
The ground early warning system can adopt prior art to go on, if can adopt AI intelligent analysis discernment early warning system, including intelligent recognition camera 17, two 18 of control system, voice broadcast ware 19, intelligent recognition camera 17 all is connected with two 18 of control system with voice broadcast ware 19, as shown in fig. 12. The intelligent recognition camera 17 detects moving objects such as people, vehicles, pets and the like in a range of 5m around the steel frame well 2, if the moving objects are detected, the intelligent recognition camera transmits signals to the second control system, the second control system 18 transmits the signals to a control room of the elevator, the control room controls the elevator to stop at the bottom of the steel frame well 2 and not to descend to the ground, and meanwhile, the second control system 18 transmits the signals to the voice broadcaster 19 to broadcast prompt voice; when the intelligent recognition camera 17 does not detect the moving object, the second control system 18 transmits a signal to the control room of the elevator to control the elevator to descend to the ground.
The intelligent identification camera can be flexibly selected from the prior art, and the second control system 18 adopts an 8-bit 68HC series microcontroller.
Example 12:
a construction method of a novel roof steel truss suspension assembly type elevator structure comprises the following steps:
(1) determining the sizes of a roof steel truss 1, a steel frame well 2 and a steel connecting beam 3 according to the building scale of an outdoor elevator to be additionally installed, wherein each part of the component is manufactured by a factory according to specific conditions;
(2) during field operation, the prefabricated roof steel truss 1 is firstly hoisted to the roof of the original building, connected with the column or beam of the original building through the spherical support, then connected with the steel frame well 2 through the bolt, and finally the elevator well 2 and the steel connecting beam of the original building are installed and connected.
(3) After the roof steel truss 1 and the steel frame well 2 are installed, the composite wall plate is installed from bottom to top.
(4) The elevator and its auxiliary structure are installed in the shaft of steel frame.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. A novel roof steel truss suspension assembly type elevator structure is characterized by comprising a roof steel truss, a steel frame shaft and a steel connecting beam, wherein the roof steel truss, the steel frame shaft and the steel connecting beam are all manufactured in a factory, and the steel frame shaft is suspended on the outer side of a staircase of an original building;
one end of the roof steel truss is connected with a column or a beam of an original building, and the other end of the roof steel truss is connected with the top of a steel frame hoistway; the building comprises a plurality of steel coupling beams, wherein one end of each steel coupling beam is connected with the original building, the other end of each steel coupling beam is connected with an upright post of a steel frame well, and the rest steel coupling beams except the steel coupling beams at the upper end and the lower end of the original building are connected with the lower end of a stair rest platform of the original building so as to ensure that the floor elevation at the corridor of the steel coupling beams is consistent with the elevation of the rest platform; the height from the bottom of the steel frame well to the ground is not less than 4 m;
the lift car is arranged in the steel frame well, and when passengers need to be picked up and sent to the ground, the lift car can be separated from the steel frame well and descend to the ground, so that a user can conveniently get on and off the elevator;
the roof steel truss and the columns or beams of the original building, the roof steel truss and the steel frame hoistway, the steel frame hoistway and the steel connecting beams are all connected through bolts.
2. The novel roof steel truss suspended assembly type elevator structure as claimed in claim 1, wherein the roof steel truss is formed by welding profile steel, the joints of the roof steel truss and the columns or beams of the original building and the joints of the steel frame well are respectively welded with first end plates, the joints of the steel frame well and the roof steel truss are welded with second end plates, the first end plate at one end of the roof steel truss is connected with the columns or beams of the original building through a spherical support, and the first end plate at the other end of the roof steel truss is connected with the second end plates through bolts.
3. The novel roof steel truss suspended assembly type elevator structure as claimed in claim 2, wherein the upper seat plate of the spherical bearing is connected with the first end plate at one end of the roof steel truss through a bolt, and the lower seat plate of the spherical bearing is directly connected with the column or beam of the original building through a bolt.
4. The novel roof steel truss suspension assembly type elevator structure as claimed in claim 2, wherein the steel frame well is formed by welding or bolting steel pipes or H-shaped steel, the steel frame well comprises steel frame beams and upright columns, a third end plate is welded at the joint of the steel connecting beam and the original building, a second end plate is also arranged at the joint of the steel connecting beam and the steel connecting beam on the steel frame well, the second end plate is directly bolted to one end of the steel connecting beam, and the third end plate at the other end of the steel connecting beam is bolted to the original building.
5. The novel roof steel truss suspended assembly type elevator structure according to claim 4, wherein the steel coupling beams are H-shaped steel or steel pipes.
6. The novel roof steel truss suspended assembly type elevator structure as claimed in claim 5, wherein the steel frame well is externally hung with a composite wall plate, the composite wall plate comprises an inner layer and an outer layer of ultra-high performance concrete plates and an insulating layer positioned between the two layers of ultra-high performance concrete plates, and the inner layer and the outer layer of ultra-high performance concrete plates are connected through FRP connecting pieces.
7. The novel roof steel truss suspended assembly type elevator structure as claimed in claim 6, wherein a sealing plate is arranged at the bottom of the steel frame well;
preferably, the shrouding divide into left part and right part from the positive center, all includes baffle, draft arm and traction motor, and traction motor sets up at the space edge of steelframe well and car, is connected and drives the draft arm motion with the draft arm, and the draft arm is articulated with the baffle, and the baffle can move down in the effect of draft arm, and the baffle one end of left part and right part all articulates on the inner wall of steelframe well, and the other end is in central department joint seam connection.
8. The novel roof steel truss suspended assembly type elevator structure as claimed in claim 6, wherein a guide rail is fixedly arranged in the steel frame well, a guide rod matched with the guide rail is fixedly arranged on the car, the lower end of the guide rod is flush with the lower end of the car, and the length of the guide rod is not less than 6m so as to ensure that the car can reach the ground;
preferably, a buffer device is provided below the elevator shaft.
9. The novel roof steel truss hanging assembly type elevator structure is characterized in that lifting guardrails are arranged on the ground below an elevator shaft, the lifting guardrails surround a square, the linear distance L between each side of each lifting guardrail and the ground projection line corresponding to the side of the steel frame shaft is not less than 1.5m, the height of each lifting guardrail is not less than 1.1m, the top of each lifting guardrail is flush with the ground when the lifting guardrail is not in operation, people and vehicles on the ground are not prevented from passing through the lifting guardrail, and the guardrail extends out of the ground when the lifting guardrail is in operation;
preferably, the invention also comprises a ground early warning system, and when the elevator needs to descend to the ground, the ground early warning system sends out a voice prompt in advance to remind pedestrians and vehicles not to pass through.
10. A construction method of the novel roof steel truss suspended assembly type elevator structure of claim 9, which comprises the following steps:
(1) determining the sizes of a roof steel truss, a steel frame well and a steel connecting beam according to the building scale of an outdoor elevator to be additionally installed, wherein all components are manufactured by factories;
(2) during field operation, firstly hoisting a prefabricated roof steel truss to the roof of an original building, connecting the prefabricated roof steel truss with a column or a beam of the original building through a spherical support, then connecting the prefabricated roof steel truss with a steel frame well through a bolt, and finally installing and connecting an elevator well and a steel connecting beam of the original building;
(3) after the roof steel truss and the steel frame well are installed, the composite wall plate is installed from bottom to top;
(4) the elevator and its auxiliary structure are installed in the shaft of steel frame.
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