CN216737093U - Construction elevator applied to elevator shaft - Google Patents

Abstract

The utility model relates to a be applied to construction elevator in elevator well, include lifting guide frame, car, lift actuating mechanism and attach the wall frame. The car includes the car guide pillar, and lift actuating mechanism installs in the car top to be connected with the car guide pillar is articulated, increase car clearance, offset and rock stress and noise reduction. The bottom of the car guide post is fixedly connected with a bearing device, and the bearing device comprises a lattice type chassis and a bearing panel. The chassis comprises main bearing longitudinal beams with gradually changed sizes, bearing middle cross beams crossed with the main bearing longitudinal beams, and also comprises bearing transverse edge beams, bearing short transverse edge beams and bearing longitudinal edge beams which surround the edges of the chassis. The lattice type chassis is strong in bearing capacity, lighter in self weight and compact in size, and effectively utilizes the elevator shaft space. The center of gravity of the chassis and the car shifts towards the large end side of the main bearing longitudinal beam and the car guide column side, so that the moment of shaking of the car is reduced, and the problems of shaking and noise generated in the lifting process of the car are further solved.

Description

Construction elevator applied to elevator shaft

Technical Field

The utility model relates to a building engineering construction equipment technical field especially relates to a be applied to construction elevator in elevator well.

Background

At present, in the middle-rise, high-rise and super high-rise buildings in China, construction elevators arranged at the periphery of the buildings generally belong to mechanical equipment shared by passengers and goods, and have great potential safety hazards to the safety of passengers. In the falling safety accidents of the building periphery construction elevator in China, the main reasons are that people and goods are overweight or the falling accidents occur because the ladder cage inclines to the side face due to the loss of bolts between the standard sections of the guide rail frame. Meanwhile, due to the influence of the appearance of a building, the distance between the peripheral construction elevator and the wall is often larger, the installation and maintenance difficulty of the guide rail frame wall-attached device is improved, the attachment strength of the guide rail frame wall-attached device is weakened, the peripheral construction elevator is easily influenced by severe weather such as rain, snow and the like, the service life of parts is shortened, and the frequency and the cost of equipment maintenance are increased.

On the other hand, the elevator shaft is used as a vertical transportation channel in the using stage of the building, and the utilization rate in the building construction stage is very low. The waste of space resources of the elevator shaft is caused, and the elevator shaft becomes an entrance which is easy to have a high falling accident and needs to be protected and prevented layer by layer with cost.

To solve the above problems, the present company previously filed a solution regarding a lifting device for transporting persons in an elevator shaft in the construction of a main structure. In the scheme, a chassis of the elevator is not used as a main stress component, and a car top plate of the elevator is connected to a driving unit through an adjusting device, so that the car and the driving unit are integrated into a whole, are in a side-position hoisting state and are arranged on a guide rail frame. In the integrated structure, the self weight of the car and the load borne by the car are transmitted to the upper driving unit, and the rigid requirement on the rigid connection structure between the car and the driving unit is high. On the other hand, because the perpendicularity precision of the installation of the guide rail frame standard knot has certain deviation, and the dislocation deviation of the connection between the standard knots, the driving unit shakes when passing through the butt joint position of the guide rail frame standard knot in the actual operation process of the equipment, the whole car is driven to shake, great noise is generated in the operation of the car, and great potential safety hazard is brought to the elevator.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a be applied to construction elevator in elevator well utilizes the elevartor shaft as manned transportation channel, changes the rigid connection between drive unit and the car into articulated, is used for offsetting the rocking stress and the noise reduction of operation in-process to still improved the car and born the device, greatly improved the bearing capacity of lift self, improved the delivery bearing capacity, better result of use and comprehensive benefit have.

The utility model adopts the technical proposal that: the utility model provides a be applied to construction elevator in elevator well, includes car, lifting guide frame and the lift actuating mechanism that drives the car and reciprocate along lifting guide frame, the car include with lifting guide frame sliding connection's car guide pillar, lifting actuating mechanism installs in the top of car to pass through articulated shaft articulated connection with the car guide pillar, the car still includes the device that bears with car guide pillar bottom fixed connection, bear the device and include the chassis of lattice formula and set up the load-bearing panel on the chassis.

The lattice type chassis comprises a plurality of main bearing longitudinal beams which are arranged in parallel and are made of H-shaped steel parts, wherein the H-shaped cross section of each main bearing longitudinal beam is gradually changed in size from one end to the other end, the large cross section end of each main bearing longitudinal beam is fixedly connected to one side of the bottom of a car guide pillar, the two sides of the large cross section end are fixedly connected with bearing short transverse beams which are perpendicular to the main bearing longitudinal beams and are arranged in a segmented mode, the small cross section end of each main bearing longitudinal beam is fixedly connected with a bearing transverse beam which is perpendicular to the main bearing longitudinal beams, the two ends of each bearing transverse beam are respectively and fixedly connected with bearing longitudinal beams which are parallel to the main bearing longitudinal beams, one end of each bearing longitudinal beam is connected with the bearing transverse beams, the other end of each bearing longitudinal beam is fixedly connected with the bearing short transverse beams, and the edge of the chassis is surrounded by the bearing transverse beams, the bearing short transverse beams and the bearing longitudinal beams.

The chassis further comprises a bearing middle cross beam which is perpendicular to the main bearing longitudinal beams and is arranged in a segmented mode, and each segment of the bearing middle cross beam is fixedly connected between two adjacent main bearing longitudinal beams and between the main bearing longitudinal beams and the adjacent bearing longitudinal side beams through reinforcing rib plates.

As a further limitation to the technical scheme, reinforcing rib plates are fixed at the joints of the main bearing longitudinal beams, the bearing transverse edge beams and the bearing short transverse edge beams.

As a further limitation to the above technical solution, the chassis further includes a plurality of purlins arranged in parallel with the main load-bearing longitudinal beam, and two ends of the purlins are respectively fixedly connected with the load-bearing transverse edge beam and the load-bearing short transverse edge beam.

As a further limitation to the above technical solution, the longitudinal load-bearing side beams, the transverse load-bearing side beams, the short load-bearing side beams and the middle load-bearing cross beams of the chassis are all channel-shaped steel members, and the purlins are L-shaped steel members. Because the lattice member that the steel sheet was made is lighter than formed steel self weight relatively, so all steel parts of chassis can be formed by processes such as cutting, bending, welding by the steel sheet, can not adopt off-the-shelf shaped steel, like this, enable under the lighter circumstances of chassis structure dead weight, can also promote the bearing capacity of chassis.

As a further limitation to the above technical solution, the chassis includes two main load-bearing longitudinal beams. The bearing short transverse edge beam and the bearing middle transverse beam are respectively divided into three sections which are arranged between the two main bearing longitudinal beams at intervals and between the main bearing longitudinal beams and the bearing longitudinal edge beams on the same side. The utility model provides a be applied to construction elevator in elevator well, the space according to elevator well is different, and the lift bearing capacity who designs according to the construction needs is different, and the general design width of size on car chassis is between 1.2-1.6m, and design length is between 1.6-3.2 m. According to different bearing capacities and chassis sizes of the construction elevator designed under different conditions, the number of the main bearing longitudinal beams of the chassis and the number of the sections for bearing the short transverse beams and the middle transverse beams can be changed, more or less main bearing longitudinal beams can be designed, and the number of the sections for bearing the short transverse beams and the middle transverse beams can be designed correspondingly according to the number of the main bearing longitudinal beams.

According to the practical situation of an elevator shaft in a common civil building and the bearing capacity requirement of a passenger elevator in a construction process, a common car chassis is designed to be 1.5m wide by 1.8m long, and the maximum bearable weight of the car chassis is 2.5 tons.

As the further limitation to the technical scheme, the car still has the rail that is fixed in the bearing device top and the car top of rail top, the escape opening has been seted up on the car top, and the escape opening covers and hinges the emergency exit on the car top, the rail is enclosed to construct by entry door frame, side fixed frame, internal fixation frame and side guide post frame four sides and forms, entry door frame slidable mounting has last gate and lower gate, the side guide post frame including distribute in car guide post both sides, and with car guide post fixed connection's left side fixed frame, right side fixed frame.

As a further limitation to the above technical solution, the construction hoist applied in the elevator hoistway further includes a wall-attached frame coupled between the lifting guide rail frame and the building.

The specific structures of the lifting guide rail frame and the wall-attached frame applied in the scheme can adopt the structures of the guide rail frame and the mounting seat disclosed in the patent document with the application number of CN 202011501044.4.

Adopt above-mentioned technique, the utility model has the advantages of: be applied to construction elevator mountable in elevator well on elevartor shaft shear wall inner wall, can not only effectively utilize the building space of elevartor shaft, can also save the expense of every layer of well head enclosure. When the main structure is constructed, the lifting device can be specially used for transporting construction operators and building peripheral lifting equipment, so that the separation and transportation of passengers and goods are realized, the transportation efficiency is improved, and the safety of constructors is ensured. And the lift can effectively slow down the speed of falling as supporting with the help of well shear force wall all around when falling in unexpected upset, reduces the risk of falling even by a wide margin, greatly reduces the casualties.

On this basis, with between drive unit and the car by original rigid connection structure, become to adopt the articulated connection of round pin axle, increase the movable allowance of car in the lift in-process, be used for offsetting and rock stress and reduce the noise, reduce the potential safety hazard.

The bearing device of the lift car is connected with the guide post of the lift car and is used as a main stressed component for bearing the lift car and the loaded load, so that a lattice type chassis with compact size and strong bending resistance is adopted, on one hand, the space in the lift well is saved, and the plane size and the internal space of the lift car are increased as much as possible; on the other hand, the lattice type chassis is simple and reliable in structure, strong in bearing capacity and relatively lighter in self weight, so that the rigidity of the lift car is improved, and the lifting machine has the bearing capacity as large as possible.

The main bearing longitudinal beam of the chassis adopts the design of gradually changing size, and the gradually-increased I-shaped cross section is consistent with the direction and the size of the load force borne by the main bearing longitudinal beam, so that the self weight of the main bearing longitudinal beam is reduced on the basis of having enough bearing capacity. The design that the other side quality of the side guide post frame of deuterogamying than the rail is heavier makes the focus that bears device and whole car more be close with the transverse distance of lift guide rail frame, and the moment that the car rocked reduces, has just also further solved the car and rocked the problem with the noise, has better practical function and makes.

Drawings

Fig. 1 is a schematic view of a hinge structure of a car and a lifting driving device in a construction hoist applied to an elevator shaft according to the present invention;

fig. 2 is a schematic view of a top side directional three-dimensional structure of a car in a construction hoist applied in an elevator shaft according to the present invention;

fig. 3 is a schematic view of a lower side direction of a car in a construction hoist applied to an elevator shaft according to the present invention;

fig. 4 is a schematic structural view of a bearing device of a car in a construction hoist applied to an elevator shaft according to the present invention;

FIG. 5 is a schematic view of a chassis structure of the bearing device of the present invention;

FIG. 6 is a schematic structural view of a main load-bearing longitudinal beam of the middle chassis of the present invention;

in the figure: 1-car chassis; 101-a primary load-bearing stringer; 102-load-bearing longitudinal side beams; 103-bearing transverse boundary beam; 104-carrying middle cross beam; 105-load-bearing short stringer; 106-reinforcing plate; 107-purlin; 108-reinforcing ribs; 109-a carrier panel; 2-inner fixed frame; 3-side fixing frame; 4-left fixed frame; 5-right fixed frame; 6-car guide post; 701-entrance door frame; 702-an upper gate; 703-a lower gate; 8-car roof; 9-escape door; 10-a lifting drive mechanism; 11-articulated shaft.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 4, the construction hoist applied to the elevator shaft includes a lifting rail frame, a car moving along the lifting rail frame, and a lifting driving mechanism 10, wherein a wall-attached frame is further connected between the lifting rail frame and the building, and the wall-attached frame is mounted on the inner wall of a shear wall in the elevator shaft. The specific structures of the lifting guide rail frame and the wall-attached frame applied in the scheme can adopt the structures of the guide rail frame and the mounting seat disclosed in the patent document with the application number of CN 202011501044.4.

The car includes the car guide pillar 6 with lifting guide rail frame sliding connection, with car guide pillar bottom fixed connection's the device of bearing 1 and be fixed in the rail that bears the device 1 top, and the car top 8 is installed to the rail top, and the escape opening has been seted up on car top 8, and the escape opening covers there is the emergency exit 9 that articulates on the car top. The lifting driving mechanism 10 is installed above the car roof 8 and is hinged to the car guide post 6 through a hinge shaft 11.

The enclosure is formed by surrounding four sides of an entrance door frame 701, a side fixing frame 3, an inner fixing frame 2 and a side guide column frame. An upper gate 702 and a lower gate 703 are slidably mounted on the entrance door frame 701. The side guide post frame comprises a left fixing frame 4 and a right fixing frame 5 which are distributed on two sides of the car guide post and fixedly connected with the car guide post. Four sides of the fence are all designed into a light frame, so that the center of gravity of the car deviates to the side where the car guide post is located. The split type design of side guide post frame can guarantee the bulk strength of side guide post frame, also can realize the lightweight design of side guide post frame as far as, alleviates the holistic weight of car. The car in this scheme is designed, stable in structure, and space utilization is high, and the focus shifts to car guide post side, reduces the moment that the car rocked. Because the interior operating mode of the building of construction stage is complicated, the safety of the personnel that carry in can the at utmost protection car of bearing panel 109 and the setting of four sides rail prevents the unexpected injury that outside complicated operating mode caused.

The carrier device 1 comprises a lattice-like chassis and a carrier panel 109 arranged on the chassis.

The chassis comprises two main bearing longitudinal beams 101 which are arranged in parallel and made of H-shaped steel parts, and the H-shaped section of each main bearing longitudinal beam 101 is gradually enlarged from one end to the other end. The end face of the large section end is fixedly connected with the bottom of the car guide post, two sides of the large section end are fixedly connected with bearing short transverse boundary beams 105 which are perpendicular to the main bearing longitudinal beams 101 and are arranged in a segmented mode, and the middle and two sides of the two main bearing longitudinal beams 101 are connected with three bearing short transverse boundary beams 105. The small-section end of the main bearing longitudinal beam 101 is fixedly connected with a bearing transverse boundary beam 103 perpendicular to the main bearing longitudinal beam 101, two ends of the bearing transverse boundary beam 103 are respectively and fixedly connected with a bearing longitudinal boundary beam 102 parallel to the main bearing longitudinal beam 101, one end of the bearing longitudinal boundary beam 102 is connected with the bearing transverse boundary beam 103, the other end of the bearing longitudinal boundary beam is fixedly connected with a bearing short transverse boundary beam 105, and the edge of the chassis is formed by enclosing the bearing transverse boundary beam 103, the bearing short transverse boundary beam 105 and the bearing longitudinal boundary beam 102.

The chassis also includes a load-bearing cross member 104 that perpendicularly intersects the main load-bearing longitudinal member 101. The bearing middle cross beam 104 is divided into three sections and is fixedly connected between the two main bearing longitudinal beams 101 and between the main bearing longitudinal beams 101 and the bearing longitudinal side beam 102 through reinforcing ribs 108. The lattice structure of the chassis has the advantages of simple and reliable structure, compact size and strong bearing capacity.

Reinforcing rib plates 106 are fixed at the joints of the main load-bearing longitudinal beams 101, the load-bearing cross beams 103 and the load-bearing short cross beams 105. The reinforcing rib plate 106 is formed by cutting and processing a steel plate, so that the stability of the chassis structure is enhanced, and the integral bearing capacity of the chassis is improved.

The chassis further comprises a plurality of purlins 107 arranged in parallel with the main bearing longitudinal beam 101, and two ends of each purlin 107 are fixedly connected with the bearing transverse edge beam 103 and the bearing short transverse edge beam 105 respectively. Purlin 107 has more perfected the lattice connection of chassis for reduce the space of lattice, for bearing panel 109 provides even strong point, not only can make the personnel of carrying stand more steadily, also further improved the bearing capacity of chassis.

The longitudinal bearing side beams 102, the transverse bearing side beams 103, the short bearing side beams 105 and the middle bearing cross beams 104 of the chassis are all channel-shaped steel pieces, and the purlins 107 are L-shaped steel pieces. All the steel parts of the chassis can be formed by cutting, bending, welding and the like of steel plates, and finished section steel can not be adopted. Because the weight of the lattice component made of the steel plate is relatively lighter than that of the formed steel, the chassis of the lattice structure can improve the bearing capacity of the chassis under the condition of lighter self weight, and the construction lifter has the carrying capacity as large as possible.

The size of the car chassis is generally designed to be 1.2-1.6m in width and 1.6-3.2m in length according to different spaces of an elevator shaft and different bearing capacities of the elevator designed according to construction requirements. According to different bearing capacities and chassis sizes of the construction elevator designed under different conditions, the number of the main bearing longitudinal beams 101 of the chassis and the number of the sections for bearing the short transverse beams 105 and the middle transverse beams 104 can be changed, a larger or smaller number of the main bearing longitudinal beams 101 can be designed, and then the number of the sections for bearing the short transverse beams 105 and the middle transverse beams 104 can be designed correspondingly according to the number of the main bearing longitudinal beams 101.

In the construction hoist applied to the elevator shaft in the embodiment, a car chassis with the size of 1.5m wide × 1.8m long is taken as an example, the maximum bearable weight of the construction hoist is 2.5 tons, the number of the main bearing longitudinal beams 101 of the car chassis is two, and the number of the bearing short transverse beams 105 and the number of the bearing middle transverse beams 104 are correspondingly set to three.

In the specific embodiment of this scheme, the connection of the lattice chassis of car and rail all around, and the connection between each component member in it all can adopt the connection mode that has the fixed action such as welding or bolted connection, guarantees chassis, rail and the holistic stable in structure of car.

The working principle is as follows: the utility model discloses a be applied to construction elevator mountable in elevator well on elevartor shaft shear wall inner wall, effective reasonable utilization the elevartor shaft, can not only effectively utilize the building space of elevartor shaft, can also save every layer of well head retaining expense. The device is used for transporting construction operators, realizes the separation and transportation of passengers and goods, improves the transportation efficiency and ensures the safety of constructors. The lift can also effectively slow down the speed of falling as supporting with the help of well shear force wall all around when falling in unexpected upset, reduces the risk of falling even by a wide margin, greatly reduces the casualties.

In order to solve the problems of shaking and noise in the lifting process, the lifting driving mechanism 10 which is in rigid connection with the car is separated from the car and connected in a hinged mode, so that the movement allowance of the car in the lifting process is increased, the shaking stress is offset, the noise is reduced, and the potential safety hazard is reduced.

The bearing device of the lift car is connected with the lift car guide post, and the bearing device is used as a main stressed component for bearing the load carried by the driving mechanism, the lift car and the lift car, so that a lattice type chassis with compact size and strong bending resistance is adopted.

The main stressed member of the chassis is a main bearing longitudinal beam, the gradually-increased I-shaped cross section of the main bearing longitudinal beam is consistent with the direction and the size of the load force borne by the main bearing longitudinal beam, so that the self weight of the main bearing longitudinal beam is reduced on the basis of having enough bearing capacity. The main bearing longitudinal beam large-section end is directly fixedly connected with the car guide post, so that the connection rigidity between the car guide post and the chassis is improved, the gravity center of the elevator is shifted to the side of the car guide post, in addition, the gravity center of the car is shifted to the side of the car guide post due to the fence structure of the car, the distance between the gravity center of the car and the lifting guide rail frame is smaller, the moment of the car shaking is further reduced, the problem that the car shakes and the noise generated due to the shaking is solved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be covered by the present invention within the technical scope of the present invention, and the technical solution obtained by replacing or changing the technical idea of the present invention with equivalents.

Claims (7)

1. The utility model provides a be applied to construction elevator in elevator well which characterized in that: the elevator car comprises a car, an elevating guide rail frame and an elevating driving mechanism (10) for driving the car to move up and down along the elevating guide rail frame, wherein the car comprises a car guide post (6) in sliding connection with the elevating guide rail frame, the elevating driving mechanism is installed above the top of the car and is in hinged connection with the car guide post (6) through a hinge shaft (11), the car further comprises a bearing device (1) fixedly connected with the bottom of the car guide post (6), and the bearing device (1) comprises a lattice type chassis and a bearing panel (109) arranged on the chassis;

the lattice type chassis comprises a plurality of main bearing longitudinal beams (101) which are arranged in parallel and are made of H-shaped steel parts, the H-shaped cross section of each main bearing longitudinal beam (101) is of a gradually-changed size from one end to the other end, the large cross section end of each main bearing longitudinal beam (101) is fixedly connected to one side of the bottom of a car guide column (6), two sides of each large cross section end are fixedly connected with bearing short transverse beams (105) which are perpendicular to the main bearing longitudinal beams (101) and are arranged in a segmented mode, the small cross section end of each main bearing longitudinal beam (101) is fixedly connected with a bearing transverse beam (103) which is perpendicular to the main bearing longitudinal beams (101), two ends of each bearing transverse beam (103) are respectively and fixedly connected with a bearing longitudinal beam (102) which is parallel to the main bearing longitudinal beams (101), one end of each bearing longitudinal beam (102) is connected with the bearing transverse beam (103), the other end of each bearing short transverse beam (105) is fixedly connected with the bearing short transverse beam, and the edge of the chassis is formed by the bearing transverse beams (103), The bearing short transverse boundary beam (105) and the bearing longitudinal boundary beam (102) are enclosed;

the chassis further comprises a bearing middle cross beam (104) which is perpendicular to the main bearing longitudinal beams (101) and is arranged in a segmented mode, and each segment of the bearing middle cross beam (104) is fixedly connected between two adjacent main bearing longitudinal beams (101) and between the main bearing longitudinal beams (101) and the adjacent bearing longitudinal edge beams (102) through a reinforcing rib plate (108).

2. A construction hoist as claimed in claim 1, applied in an elevator shaft, characterized in that: and reinforcing rib plates (106) are fixed at the joints of the main bearing longitudinal beam (101), the bearing transverse edge beam (103) and the bearing short transverse edge beam (105).

3. A construction hoist as claimed in claim 2, applied in an elevator shaft, characterized in that: the chassis further comprises a plurality of purlins (107) arranged in parallel with the main bearing longitudinal beam (101), and two ends of each purlin (107) are fixedly connected with the bearing transverse edge beam (103) and the bearing short transverse edge beam (105) respectively.

4. A construction hoist as claimed in claim 3, applied in an elevator shaft, characterized in that: the longitudinal bearing side beams (102), the transverse bearing side beams (103), the short bearing side beams (105) and the middle bearing cross beams (104) of the chassis are all groove-shaped steel pieces, and the purlines (107) are L-shaped steel pieces.

5. A construction hoist as claimed in claim 1, applied in an elevator shaft, characterized in that: the chassis comprises two main bearing longitudinal beams (101); the bearing short transverse beam (105) and the bearing middle transverse beam (104) are respectively divided into three sections and are arranged between the two main bearing longitudinal beams (101) at intervals and between the main bearing longitudinal beam (101) and the bearing longitudinal beam (102) on the same side.

6. A construction hoist as claimed in claim 1, applied in an elevator shaft, characterized in that: the car still has the rail that is fixed in and the car top (8) of rail top of bearing device (1) top, the mouth of fleing has been seted up on car top (8), and the mouth of fleing covers has and articulates escape door (9) on the car top, the rail is enclosed by entry door frame (701), side fixed frame (3), internal fixation frame (2) and side guide post frame four sides and constitutes and form, entry door frame (701) slidable mounting has last gate (702) and lower gate (703), the side guide post frame including distribute in car guide post both sides, and with car guide post fixed connection's left side fixed frame (4), right side fixed frame (5).

7. A construction hoist as claimed in claim 6, characterized in that: and the wall attaching frame is connected between the lifting guide rail frame and the building.

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