CN115749235B - Lift shaft lifting scaffold and assembly method - Google Patents
Lift shaft lifting scaffold and assembly method Download PDFInfo
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- CN115749235B CN115749235B CN202211693423.7A CN202211693423A CN115749235B CN 115749235 B CN115749235 B CN 115749235B CN 202211693423 A CN202211693423 A CN 202211693423A CN 115749235 B CN115749235 B CN 115749235B
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- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims 3
- 238000010276 construction Methods 0.000 abstract description 10
- 230000009194 climbing Effects 0.000 abstract description 3
- 238000005457 optimization Methods 0.000 description 7
- 230000008093 supporting effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
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Abstract
The invention discloses an elevator hoistway lifting scaffold and an assembly method, wherein the elevator hoistway lifting scaffold comprises an upper lifting platform and a lower lifting platform, a plurality of upper guide rails are vertically arranged on the lower side of the upper lifting platform, a plurality of lower guide rails are vertically arranged on the upper side of the lower lifting platform, and the upper guide rails and the lower guide rails are correspondingly arranged and connected in a sliding fit manner; the lifting device is connected with the upper lifting platform and the lower lifting platform respectively and can drive the upper lifting platform or the lower lifting platform to move up and down. According to the invention, the lifting scaffold is arranged in the elevator shaft, so that the inner space of the elevator shaft is fully utilized, the structure is simple, the occupied construction space is small, the climbing along with the assembly of the elevator shaft can be convenient, and the construction is safe and convenient.
Description
Technical Field
The invention relates to the technical field of steel structure elevator installation, in particular to an elevator shaft lifting scaffold and an assembly method.
Background
Along with the development of society, people demand for elevators is increasingly greater, and especially the demand for installing elevators in old communities or low-rise buildings is increasingly greater, and steel structure assembled elevators are rapidly and conveniently received consistent praise from users due to simple and light structures. However, generally, the elevator is installed on one side of the building, and in order to reduce the damage to the in-situ crust or vegetation or structures, the construction space is often small, the scaffold is required to be erected first in the installation of the elevator shaft, the traditional scaffold is erected on the periphery of the elevator shaft to be installed by adopting steel pipes, the larger construction space is occupied, and meanwhile, the steel pipe scaffold is connected through various fasteners, so that the safety is poor. In addition, there are also related structures of self-climbing at present, but most of the self-climbing structures adopt a lifting mechanism similar to a building tower crane, the scaffold is still positioned at the outer side of the elevator shaft, and because of the installation specificity of the elevator shaft, the scaffold is not a unit type steel frame like the tower crane, each floor of the scaffold needs to be connected with a building body, so that the climbing mechanism arranged at the outer side of the elevator shaft is easy to interfere with a part connected with the building body, and a plurality of inconveniences are brought to assembly, so that the existing self-climbing structure is difficult to climb, the assembly efficiency of the elevator shaft is low, and the climbing mechanism arranged at the outer side still has the problem of large occupied space.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to solve the technical problems that: the elevator shaft lifting scaffold and the assembly method thereof reasonably utilize the inner space of the elevator shaft, and solve the problems of large occupied space, poor safety and inconvenient assembly of the elevator shaft in the prior art.
In order to solve the technical problems, the invention adopts the following technical scheme:
The lift scaffold comprises an upper lifting platform and a lower lifting platform, wherein a plurality of upper guide rails are vertically arranged on the lower side of the upper lifting platform, a plurality of lower guide rails are vertically arranged on the upper side of the lower lifting platform, and the upper guide rails and the lower guide rails are correspondingly arranged and connected in a sliding fit manner; the lifting device is connected with the upper lifting platform and the lower lifting platform respectively and can drive the upper lifting platform or the lower lifting platform to move up and down.
As the optimization, the section of upper rail and lower guide rail is L shape, the outside of upper rail and the inboard laminating of lower guide rail are connected with sliding fit, all correspond on upper rail and the lower guide rail and be provided with a plurality of first pinholes that distribute along length direction, can insert cotter or bolt in the first pinhole and with upper rail and lower guide rail fixed connection.
As optimization, the jacking device comprises a machine base, wherein the machine base is fixedly connected with a lower lifting platform, a turbine driving device is arranged on the machine base and is in transmission connection with a screw rod and can drive the screw rod to move up and down, and the upper end of the screw rod is connected with an upper lifting platform.
As optimization, a support column is further arranged between the upper lifting platform and the lower lifting platform, the support column comprises an upper sleeve and a lower sleeve, the upper sleeve is connected with the upper lifting platform, and the lower sleeve is connected with the lower lifting platform; the upper sleeve is sleeved with the lower sleeve and connected in a sliding fit mode, a second pin hole is formed in the upper sleeve and the lower sleeve correspondingly, and a pin bolt or a bolt can be inserted into the second pin hole to fixedly connect the upper sleeve and the lower sleeve.
As optimization, a crane is arranged on the upper side of the upper lifting platform, the crane comprises a base, a rotating arm is rotatably arranged on the base, and the rotating arm can rotate around the axis of the rotating arm; the upper end of the rotating arm is provided with a rocker arm, one end of the rocker arm is hinged with the upper end of the rotating arm, the middle part of the rocker arm is connected with the middle part of the rotating arm through a telescopic rod, and the telescopic rod can drive the rocker arm to rotate in a vertical plane.
As an optimization, the position of the base corresponds to the upper end of the support column.
Based on the lifting scaffold, the invention also provides an elevator shaft assembly method, which comprises the assembly system and comprises the following steps,
Based on the lifting scaffold, the invention also provides an elevator shaft assembly method, which comprises the following steps,
A. Assembling a steel structure elevator hoistway, wherein the elevator hoistway comprises a plurality of upright posts distributed in a rectangular shape;
b. Installing the lifting scaffold on the inner side of an elevator shaft, wherein an upper guide rail and/or a lower guide rail of the lifting scaffold are connected with a stand column in a sliding fit manner, a plurality of third pin holes which are distributed vertically are correspondingly formed in the upper guide rail, the lower guide rail and the stand column, and a pin bolt or a bolt is inserted into the third pin holes to fixedly connect the upper guide rail and the lower guide rail with the stand column respectively;
c. The staff enters the upper lifting platform or the lower lifting platform and completes the bottom layer part installation of the elevator shaft;
d. Removing pins or bolts between the upper guide rail and the upright post, between the upper guide rail and the lower guide rail, between the upper sleeve and the lower sleeve of the support column, driving the upper lifting platform to move upwards through the jacking device, fixedly connecting the upper guide rail with the upright post through the pins or bolts after moving in place, removing the pins or bolts between the lower guide rail and the upright post, driving the lower lifting platform to move upwards through the jacking device, fixedly connecting the lower guide rail with the upright post, the lower guide rail with the upper guide rail, and between the upper sleeve and the lower sleeve of the support column through the pins or bolts after moving in place, and completing lifting of the lifting scaffold, wherein staff installs the upper layer part of an elevator hoistway on the upper lifting platform or the lower lifting platform;
e. The assembly part or the upper and lower staff are hung by a rocker arm of a crane on the upper lifting platform, and the rotating arm is rotated according to the assembly position to drive the rocker arm to rotate to the assembly position so as to hang the assembly part; when the rocker arm interferes with the upright post, the rocker arm is driven by the telescopic rod to rotate upwards in a vertical plane so as to leave the upright post;
f. repeating steps d and e until the assembly of the elevator hoistway is completed.
Preferably, adjacent upright posts are connected through a plurality of cross beams and diagonal braces.
As optimization, the section of the upright post is L-shaped, a connecting plate is vertically arranged at the side end part of at least one side wing plate of the upright post, and third pin holes on the upright post are vertically distributed on the connecting plate; the upper guide rail and/or the lower guide rail are/is connected with the connecting plate in a sliding fit way.
As optimization, the sections of the upper guide rail and the lower guide rail are L-shaped, the third pin holes on the upper guide rail and the lower guide rail are distributed on one side wing plate in sliding fit with the connecting plate, and the first pin holes on the upper guide rail and the lower guide rail are distributed on the other side wing plate.
Compared with the prior art, the application has the following beneficial effects:
According to the invention, the lifting scaffold is arranged in the elevator shaft, so that the internal space of the elevator shaft is fully utilized, and the lifting scaffold is lifted layer by layer along with the assembly of the elevator shaft, so that the safety is high, and meanwhile, the scaffold is arranged in the elevator shaft, so that the external space of the elevator shaft is not occupied, and the construction occupied space is small. In the assembly process, the assembly part can be hoisted by the crane with the scaffold, a winch or a hanging basket and the like can be further installed on the crane, so that people can conveniently get in and out, the load of the crane is supported by the support column, and the whole structure is more stable. The invention has simple structure and small construction occupation space, can conveniently climb along with the assembly of the elevator shaft, and is safe and convenient in construction.
Drawings
FIG. 1 is a schematic view of a lifting scaffold according to the present invention;
fig. 2 is an assembled schematic view of an elevator hoistway in the present invention;
FIG. 3 is a left-hand structural schematic diagram of FIG. 2;
The device comprises an upper lifting platform 1, a lower lifting platform 2, an upper guide rail 3, a lower guide rail 4, a first pin hole 5, a machine base 6, a turbine driving device 7, a screw rod 8, an upper sleeve 9, a lower sleeve 10, a base 11, a rotating arm 12, a rocker arm 13, a telescopic rod 14, a vertical column 15, a cross beam 16, a third pin hole 17 and a connecting plate 18.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The specific implementation method comprises the following steps: with reference to figures 1-3 of the drawings,
The lift scaffold for the lift shaft comprises an upper lifting platform 1 and a lower lifting platform 2, wherein the upper lifting platform 1 and the lower lifting platform 2 are formed by splicing profile steel, and a platform plate is paved on the upper lifting platform 1 and the lower lifting platform 2. Four upper guide rails 3 which are distributed in a rectangular manner are vertically arranged on the lower side of the upper lifting platform 1, four corresponding lower guide rails 4 are vertically arranged on the upper side of the lower lifting platform 2, and the upper guide rails 3 and the lower guide rails 4 are correspondingly arranged and connected in a sliding fit manner. In this embodiment, the cross sections of the upper rail 3 and the lower rail 4 are L-shaped, and a rectangular tubular structure may be adopted. The outer side of the upper guide rail 3 is in fit connection with the inner side of the lower guide rail 4 in a sliding manner, a plurality of first pin holes 5 distributed along the length direction are correspondingly formed in the upper guide rail 3 and the lower guide rail 4, and a pin bolt or a bolt can be inserted into the first pin holes 5 to fixedly connect the upper guide rail 3 and the lower guide rail 4.
The lifting device is connected with the upper lifting platform 1 and the lower lifting platform 2 respectively and can drive the upper lifting platform 1 or the lower lifting platform 2 to move up and down. In this embodiment, the jacking device includes a base 6, the base 6 is fixedly connected with the lower lifting platform 2, a turbine driving device 7 is installed on the base 6, the turbine driving device 7 is in transmission connection with a screw rod 8, and can drive the screw rod 8 to move up and down in a manual or electric driving manner, and the upper end of the screw rod 8 is connected with the upper lifting platform 1. In addition, the jacking device may also adopt a conventional hydraulic cylinder or other structure, or directly adopt a hydraulic jacking structure to make the upper lifting platform 1 and the lower lifting platform 2 move up and down by adopting a hydraulic jacking structure, but the premise is that structures capable of being connected with an elevator shaft are required to be arranged on the upper guide rail 3 and the lower guide rail 4, and the jacking device can be specifically arranged according to practical situations.
In addition, a support column is further arranged between the upper lifting platform 1 and the lower lifting platform 2, the support column comprises an upper sleeve 9 and a lower sleeve 10, the upper sleeve 9 is connected with the upper lifting platform 1, and the lower sleeve 10 is connected with the lower lifting platform 2; the upper sleeve 9 is in sleeve joint and sliding fit connection with the lower sleeve 10, and second pin holes are correspondingly formed in the upper sleeve 9 and the lower sleeve 10, and pins or bolts can be inserted into the second pin holes to fixedly connect the upper sleeve 9 and the lower sleeve 10. A crane is arranged on the upper side of the upper lifting platform 1, the crane comprises a base 11, a rotating arm 12 is rotatably arranged on the base 11, and the rotating arm 12 can rotate around the axis; the upper end of the rotating arm 12 is provided with a rocker arm 13, one end of the rocker arm 13 is hinged with the upper end of the rotating arm 12, the middle part of the rocker arm 13 is connected with the middle part of the rotating arm 12 through a telescopic rod 14, and the telescopic rod 14 can drive the rocker arm 13 to rotate in a vertical plane. The position of the base 11 corresponds to the upper end of the support column. Thus, the support column can further enhance the overall stability of the lifting scaffold on one hand, and can provide support for the upper lifting platform 1 for supporting the load of the crane on the other hand, so as to prevent the crane from deforming or damaging the platform plate during working.
Based on the lifting scaffold, the invention also provides an elevator shaft assembly method, which comprises the assembly system and comprises the following steps,
A. an elevator hoistway is installed. Wherein the elevator hoistway comprises a plurality of rectangularly distributed columns 15. During assembly, first, the bottom upright posts 15 are installed, and adjacent upright posts 15 are fixedly connected with diagonal braces through cross beams 16;
b. The lifting scaffold is arranged on the inner side of the elevator shaft, wherein an upper guide rail and/or a lower guide rail of the lifting scaffold are connected with the upright post in a sliding fit manner, a plurality of third pin holes 17 which are distributed vertically are correspondingly formed in the upper guide rail, the lower guide rail and the upright post, and pins or bolts are inserted into the third pin holes 17 to fixedly connect the upper guide rail and the lower guide rail with the upright post respectively.
Specifically, the cross section of the upright post 15 is L-shaped, and of course, rectangular pipes, round pipes or other special-shaped structures can be adopted, and other connection structures are adaptively configured according to the specific shape, in this embodiment, a connection plate 18 is vertically disposed at the side end of at least one side wing plate of the upright post 15, and third pin holes 17 on the upright post 15 are vertically distributed on the connection plate 18; the upper guide rail 3 and/or the lower guide rail 4 are connected with the connecting plate 18 in a sliding fit manner. The sections of the upper guide rail 3 and the lower guide rail 4 are L-shaped, third pin holes 17 on the upper guide rail 3 and the lower guide rail 4 are distributed on one side wing plate in sliding fit with a connecting plate 18, and first pin holes 5 on the upper guide rail 3 and the lower guide rail 4 are distributed on the other side wing plate. In this way, the third pin hole 17 and the first pin hole 5 are separately arranged, so that the connection between the upper guide rail 3 and the lower guide rail 4 and the upright 15 and the connection between the upper guide rail 3 and the lower guide rail 4 are not interfered with each other, and the corresponding pin bolt or bolt can be conveniently detached during lifting and lowering, and the operation is convenient.
C. the staff enters the upper lifting platform 1 or the lower lifting platform 2 and completes the installation of the bottom layer part of the elevator shaft;
d. Removing pins or bolts between the upper guide rail 3 and the upright post 15, between the upper guide rail 3 and the lower guide rail 4 and between the upper sleeve 9 and the lower sleeve 10 of the support column, driving the upper lifting platform 1 to move upwards through a jacking device, fixedly connecting the upper guide rail 3 and the upright post 15 through the pins or bolts after moving in place, removing the pins or bolts between the lower guide rail 4 and the upright post 15, driving the lower lifting platform 2 to move upwards through the jacking device, fixedly connecting the lower guide rail 4 and the upright post 15, the lower guide rail 4 and the upper guide rail 3 and between the upper sleeve 9 and the lower sleeve 10 of the support column through the pins or bolts after moving in place, and completing lifting of the lifting scaffold, and installing an upper layer part of an elevator shaft on the upper lifting platform or the lower lifting platform by workers;
e. The assembly parts or upper and lower workers are hung by a rocker arm 13 of a crane on the upper lifting platform 1, and the rotating arm 12 is rotated according to the assembly position to drive the rocker arm 13 to rotate to the assembly position so as to hang the assembly parts; when the rocker arm 13 interferes with the upright 15, the rocker arm 13 is driven to rotate upwards in a vertical plane by the telescopic rod 14 so as to leave the upright 15. Meanwhile, in order to further improve the effect of supporting the load of the crane during operation, the rocker arm 13 can be driven to rotate through the telescopic rod 14 during operation of the crane, so that the crane is lapped on the beam 16 of the assembled elevator shaft, and the supporting effect of the crane is further improved.
F. repeating steps d and e until the assembly of the elevator hoistway is completed.
According to the invention, the lifting scaffold is arranged in the elevator shaft, so that the internal space of the elevator shaft is fully utilized, and the lifting scaffold is lifted layer by layer along with the assembly of the elevator shaft, so that the safety is high, and meanwhile, the scaffold is arranged in the elevator shaft, so that the external space of the elevator shaft is not occupied, and the construction occupied space is small. In the assembly process, the assembly part can be hoisted by the crane with the scaffold, a winch or a hanging basket and the like can be further installed on the crane, so that people can conveniently get in and out, the load of the crane is supported by the support column, and the whole structure is more stable. The invention has simple structure and small construction occupation space, can conveniently climb along with the assembly of the elevator shaft, and is safe and convenient in construction.
While embodiments of the present invention have been shown and described, it will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made herein without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents, and thus the embodiments of the invention are to be considered illustrative of the invention and not limited in any way.
Claims (9)
1. The lift scaffold of the lift shaft is characterized by comprising an upper lifting platform and a lower lifting platform, wherein a plurality of upper guide rails are vertically arranged on the lower side of the upper lifting platform, a plurality of lower guide rails are vertically arranged on the upper side of the lower lifting platform, and the upper guide rails and the lower guide rails are correspondingly arranged and connected in a sliding fit manner; the lifting device is respectively connected with the upper lifting platform and the lower lifting platform and can drive the upper lifting platform or the lower lifting platform to move up and down;
the elevator hoistway comprises an upright column, the sections of the upper guide rail and the lower guide rail are L-shaped, the outer side of the upper guide rail is in fit connection with the inner side of the lower guide rail in a sliding manner, a plurality of first pin holes and third pin holes which are distributed along the length direction are correspondingly formed in the upper guide rail and the lower guide rail, the first pin holes are distributed on one side wing plate of the upper guide rail and one side wing plate of the lower guide rail, the third pin holes are distributed on the other side wing plate of the upper guide rail and the other side wing plate of the lower guide rail, the upper guide rail and the lower guide rail are fixedly connected through pins or bolts penetrating through the first pin holes at corresponding positions, and the upper guide rail and the lower guide rail are respectively fixedly connected with the upright column through the third pin holes penetrating through the corresponding positions.
2. The lift scaffold of claim 1, wherein the lifting device comprises a base, the base is fixedly connected with the lower lifting platform, a screw rod is vertically arranged in the base, and the screw rod is in clearance fit connection with the base; the turbine driving device is arranged on the machine base, a worm of the turbine driving device is connected with the driving mechanism, the turbine is connected with a screw rod nut, the screw rod nut is sleeved on the screw rod and is connected with the screw rod in a threaded fit manner, the screw rod can be driven to move up and down, and the upper end of the screw rod is connected with the upper lifting platform.
3. The lift scaffold of any of claims 1-2, wherein a support column is further provided between the upper and lower lift platforms, the support column comprising an upper sleeve and a lower sleeve, the upper sleeve being connected to the upper lift platform and the lower sleeve being connected to the lower lift platform; the upper sleeve is sleeved with the lower sleeve and connected with the lower sleeve in a sliding fit mode, second pin holes are correspondingly formed in the upper sleeve and the lower sleeve, and the upper sleeve and the lower sleeve are fixedly connected through pins or bolts penetrating through the second pin holes in corresponding positions.
4. A hoistway lifting scaffold according to claim 3, wherein a crane is mounted on the upper side of the upper lifting platform, the crane comprising a base on which a swivel arm is rotatably mounted, the swivel arm being rotatable about its axis; the upper end of the rotating arm is provided with a rocker arm, one end of the rocker arm is hinged with the upper end of the rotating arm, the middle part of the rocker arm is connected with the middle part of the rotating arm through a telescopic rod, and the telescopic rod can drive the rocker arm to rotate in a vertical plane.
5. The lift scaffold of claim 4, wherein the base is positioned to correspond to an upper end of a support column.
6. A method for assembling an elevator shaft is characterized by comprising the following steps,
A. Assembling a steel structure elevator hoistway, wherein the elevator hoistway comprises a plurality of upright posts distributed in a rectangular shape;
b. installing the lifting scaffold as claimed in any one of claims 1-5 inside an elevator hoistway, wherein an upper guide rail and/or a lower guide rail of the lifting scaffold are connected with a stand column in a sliding fit manner, a plurality of third pin holes which are distributed vertically are correspondingly formed on the upper guide rail, the lower guide rail and the stand column, and pins or bolts are inserted into the third pin holes to fixedly connect the upper guide rail and the lower guide rail with the stand column respectively;
c. The staff enters the upper lifting platform or the lower lifting platform and completes the bottom layer part installation of the elevator shaft;
d. Removing pins or bolts between the upper guide rail and the upright post, between the upper guide rail and the lower guide rail, between the upper sleeve and the lower sleeve of the support column, driving the upper lifting platform to move upwards through the jacking device, fixedly connecting the upper guide rail with the upright post through the pins or bolts after moving in place, removing the pins or bolts between the lower guide rail and the upright post, driving the lower lifting platform to move upwards through the jacking device, fixedly connecting the lower guide rail with the upright post, the lower guide rail with the upper guide rail, and between the upper sleeve and the lower sleeve of the support column through the pins or bolts after moving in place, and completing lifting of the lifting scaffold, wherein staff installs the upper layer part of an elevator hoistway on the upper lifting platform or the lower lifting platform;
e. The assembly part or the upper and lower staff are hung by a rocker arm of a crane on the upper lifting platform, and the rotating arm is rotated according to the assembly position to drive the rocker arm to rotate to the assembly position so as to hang the assembly part; when the rocker arm interferes with the upright post, the rocker arm is driven by the telescopic rod to rotate upwards in a vertical plane so as to leave the upright post;
f. repeating steps d and e until the assembly of the elevator hoistway is completed.
7. A method of assembling an elevator hoistway as defined in claim 6, wherein adjacent columns are connected by a plurality of cross beams and diagonal braces.
8. The elevator hoistway assembly method of claim 6, wherein the cross section of the post is L-shaped and a connecting plate is vertically disposed at a side end portion of at least one side wing plate of the post, and the third pin holes on the post are vertically distributed on the connecting plate; the upper guide rail and/or the lower guide rail are/is connected with the connecting plate in a sliding fit way.
9. The method of claim 8, wherein the cross-sections of the upper and lower rails are L-shaped, and the third pin holes in the upper and lower rails are distributed on one side wing plate in sliding engagement with the connecting plate, and the first pin holes in the upper and lower rails are distributed on the other side wing plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211693423.7A CN115749235B (en) | 2022-12-28 | 2022-12-28 | Lift shaft lifting scaffold and assembly method |
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| CN202211693423.7A CN115749235B (en) | 2022-12-28 | 2022-12-28 | Lift shaft lifting scaffold and assembly method |
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| CN115749235B true CN115749235B (en) | 2024-07-30 |
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| CN110318528A (en) * | 2019-06-27 | 2019-10-11 | 联建建设工程有限公司 | Frame climbing structure and its elevating method in a kind of auxiliary of elevator shaft construction |
| CN214658697U (en) * | 2021-04-16 | 2021-11-09 | 四川迪斯卡电梯制造有限公司 | Lifting system for installing steel structure of hoistway elevator |
| CN218970583U (en) * | 2022-12-28 | 2023-05-05 | 重庆迈高电梯有限公司 | Elevator well assembly system |
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