CN117068910A - Telescopic bearing device and installation and use method thereof - Google Patents
Telescopic bearing device and installation and use method thereof Download PDFInfo
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- CN117068910A CN117068910A CN202311351939.8A CN202311351939A CN117068910A CN 117068910 A CN117068910 A CN 117068910A CN 202311351939 A CN202311351939 A CN 202311351939A CN 117068910 A CN117068910 A CN 117068910A
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- rope
- telescopic
- counterweight
- wheel
- car
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- 238000000034 method Methods 0.000 title claims abstract description 41
- 238000009434 installation Methods 0.000 title claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 42
- 239000010959 steel Substances 0.000 claims abstract description 42
- 238000010276 construction Methods 0.000 abstract description 8
- 230000003014 reinforcing effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/04—Driving gear ; Details thereof, e.g. seals
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/0035—Arrangement of driving gear, e.g. location or support
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B17/00—Hoistway equipment
- B66B17/12—Counterpoises
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/06—Arrangements of ropes or cables
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The invention relates to the technical field of construction lifting equipment, and provides a telescopic bearing device and an installation and use method thereof. The counterweight rope end combination and the first rope guide wheel are both arranged on the telescopic beam, the traction machine and the car rope end combination are both arranged on the main beam, and the distance between the first rope guide wheel and the traction wheel is adjusted in the sliding process; through adjusting the distance between first rope sheave and the traction sheave for adapt connection different size specification's car and counterweight assembly in the well of equidimension, thereby make the car return rope sheave and the steel wire rope between the traction sheave all can be with car return rope sheave and the vertical tangent of traction sheave, and the steel wire rope that the counterweight returns between rope sheave and the first rope sheave all can be with the vertical tangent of counterweight return rope sheave and the first rope sheave, make car and counterweight assembly smooth running in the well.
Description
Technical Field
The invention relates to the technical field of construction lifting equipment, in particular to a telescopic bearing device and an installation and use method thereof.
Background
The overhead type well construction lifter is a transportation device which is arranged in a fixed floor building and is used for vertically transporting constructors and building materials during building construction, and comprises a lift car, a counterweight component, a bearing beam, a traction machine, a guide wheel group and other components (the bearing device of the overhead type well construction lifter is different from that of the overhead type well construction lifter in that the overhead type traction machine is arranged on the bearing beam, the lower type traction machine is arranged at the bottom of a well, and the winding modes of the overhead type traction machine and the lower type traction machine are different from each other because the positions of the overhead type traction machine and the lower type traction machine are different, and the lift car and the counterweight component are driven by the traction machine to realize up-down lifting motion in the well.
However, the length of the traditional spandrel girder is fixed, and the length is larger than the width or depth of the well, so that the overhead well construction lifter has the following defects:
1. because the length of spandrel girder is greater than width or degree of depth of well, the promotion process is comparatively loaded down with trivial details.
2. Cannot be used in different sized hoistways.
3. The guide rope wheel group is fixed at the position on the spandrel girder, and when installing and debugging lift, the counter weight subassembly (including counter weight frame, counter weight piece) and the car of adaptation different specification sizes can't be adjusted through the guide rope wheel group.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a telescopic bearing device which is simple and quick in lifting process, can adapt to shafts of different sizes for use and is suitable for counterweight assemblies and cabs of different specifications and sizes, and an installation and use method thereof.
In order to achieve the above purpose, the technical scheme provided by the invention is as follows:
a telescopic bearing device comprises a counterweight rope end combination, a car rope end combination, a bearing beam, a traction machine and a rope guiding wheel set; the spandrel girder comprises a main girder and a telescopic girder;
the telescopic beams are connected with two ends of the main beam in a sliding manner;
the traction machine and the car rope head are assembled and mounted on the main beam;
the rope guiding wheel set comprises a first rope guiding wheel;
the first rope guiding wheel and the counterweight rope head are assembled and mounted on the telescopic beam.
In this technical scheme, telescopic beam and girder's both ends sliding connection, when needs promote the spandrel girder, the telescopic beam makes slip shrink and can promote in the well through hoisting device, and telescopic spandrel girder can adapt to not unidimensional well moreover.
In addition, the counterweight rope end combination and the first rope guide wheel are fixedly arranged on the telescopic beams, the traction machine and the car rope end combination are arranged on the main beam, the traction machine is provided with traction wheels, the main beam and the telescopic beams at the two ends can slide mutually, and the distance between the first rope guide wheel and the traction wheels is adjusted in the sliding process;
according to the well of different specification sizes, the distance between first guide sheave and the traction sheave is adjusted, can go in the well of different sizes to adapt to connect different size car and the counterweight assembly.
Further, the bearing beam comprises a mounting seat for supporting the bearing beam.
Further, the mounting seat is connected with one end, far away from the main beam, of the corresponding telescopic beam.
Further, the telescopic girder also comprises a rotating beam, and the rotating beam is rotationally connected with one end of the telescopic girder, which is far away from the main girder;
the mounting seat is arranged on the telescopic beam.
Further, a limiting piece for limiting the rotation angle of the rotating beam is arranged on the telescopic beam.
Further, the rotating beam comprises a first rotating member and a second rotating member;
one end of the first rotating piece is rotationally connected with the telescopic beam, the other end of the first rotating piece is fixedly connected with the second rotating piece, the upper surface of the first rotating piece is abutted against the corresponding limiting piece, and the rotating angle of the first rotating piece is limited by the corresponding limiting piece.
Further, one end of the telescopic Liang Jiejin rotating beam is provided with a unfilled corner;
the second rotating piece is provided with a groove matched with the unfilled corner, and when the second rotating piece is in a horizontal state, the end face of the second rotating piece is abutted against the end face of the telescopic beam.
Further, the rope guiding wheel set further comprises a second rope guiding wheel which is detachably arranged on the main beam and is positioned between the traction machine and the first rope guiding wheel.
Further, the elevator car also comprises a steel wire rope which winds the counterweight return rope wheel, the guide rope wheel group, the traction machine, the elevator car return rope wheel, the counterweight return rope wheel and the elevator car return rope wheel; the wire rope passes through the counterweight rope return wheel, the rope guide wheel set, the traction machine and the car rope return wheel, two ends of the wire rope are respectively connected with the counterweight rope end combination and the car rope end combination, and the wire rope which passes through the counterweight rope return wheel passes through the first rope guide wheel first.
In order to achieve the above object, the present invention further provides an installation method for the telescopic load-bearing apparatus, including the following steps:
s1, lifting a telescopic bearing device to a designated lifting position in a well through a lifting device positioned on a lifting beam at the top of the well;
s2, fixing the telescopic bearing device with the well wall, wherein the fixing process comprises the following steps: according to the specification and the size of a hoistway, calculating the distance between a car rope return wheel and a counterweight rope return wheel and corresponding adjacent hoistway walls respectively, and correspondingly adjusting the distance between a first rope guide wheel and a traction sheave of a traction machine in a telescopic bearing device through sliding fit of a main beam and a telescopic beam; and after the adjustment is finished, the relative positions of the main beam and the telescopic beam are locked.
Further, in the step S2, after the adjustment is completed and the relative positions of the main beam and the telescopic beam are locked, one end of the telescopic beam, which is far away from the main beam, is fixed with the opening of the hoistway wall.
Further, the telescopic bearing device also comprises an installation seat connected with the telescopic beam;
in the step S2, the fixing process further comprises fixedly connecting the mounting seat with the well wall.
Further, the mounting seat is connected to one end of the telescopic beam, which is far away from the main beam;
in the step S2 of the above-mentioned method,
before the distance between the first rope guiding wheel and the traction sheave of the traction machine in the telescopic bearing device is correspondingly adjusted, a mounting seat at one end, far away from the main beam, of a telescopic beam provided with the first rope guiding wheel is fixedly connected with the well wall, so that the telescopic beam is fixed on the well wall;
after the distance between the first rope guiding wheel and the traction wheel of the traction machine in the telescopic bearing device is correspondingly adjusted, the telescopic beam at the other end of the main beam is adjusted to extend outwards until the mounting seat at one end of the telescopic beam far away from the main beam is tightly attached to the corresponding hoistway wall, the mounting seat is fixedly connected with the hoistway wall, and the relative position of the main beam and the telescopic beam is locked.
Further, the mounting seat is arranged on the telescopic beam; the telescopic bearing device also comprises a rotating beam which is rotationally connected with one end of the telescopic beam far away from the main beam;
in the step S2 of the above-mentioned method,
before correspondingly adjusting the distance between the first rope guiding wheel and the traction wheel of the traction machine in the telescopic bearing device, unfolding the rotating beams at two ends of the telescopic bearing device, and adjusting to be in a horizontal state;
after the distance between the first rope guiding wheel and the traction sheave of the traction machine in the telescopic bearing device is correspondingly adjusted, the rotating beams at the two ends of the telescopic bearing device are respectively inserted into the corresponding shaft wall holes, and the mounting seat is fixedly connected with the corresponding shaft wall.
Further, the telescopic bearing device also comprises a steel wire rope;
the installation method further comprises the following steps:
a3, one end of the steel wire rope is connected with the counterweight rope end in a combined way, and the other end of the steel wire rope is connected with the car rope end in a combined way after bypassing the counterweight rope return wheel, the rope guide wheel set, the traction sheave of the traction machine and the car rope return wheel in sequence.
Further, the invention further provides a use method for the telescopic bearing device, which comprises the following steps:
when the building floor height is higher than a first set height and the running height of the lift car and the counterweight assembly is higher than a second set height, the steel wire rope passes through the counterweight rope return wheel, the rope guide wheel set, the traction machine and the lift car rope return wheel, two ends of the steel wire rope are respectively connected with the counterweight rope head combination and the lift car rope head combination, and the steel wire rope which passes through the counterweight rope return wheel set passes through the upper part of the outer circumference of the first rope guide wheel first and then passes through the upper part of the outer circumference of the other rope guide wheel of the rope guide wheel set;
when the building floor height is equal to or lower than a first set height and the running height of the lift car and the counterweight assembly is equal to or lower than a second set height, the steel wire rope passes through the counterweight rope return wheel, the rope guide wheel set, the traction machine and the lift car rope return wheel, two ends of the steel wire rope are respectively connected with the counterweight rope head combination and the lift car rope head combination, and the steel wire rope which passes through the counterweight rope return wheel passes through the upper part of the outer circumference of the first rope guide wheel and then passes through the lower part of the outer circumference of the other rope guide wheel of the rope guide wheel set.
Compared with the prior art, the technical scheme has the following principle and advantages:
1. the telescopic girder is connected with the two ends of the main girder in a sliding manner, when the bearing girder needs to be lifted, the telescopic girder can be lifted in the well through the lifting device by sliding and shrinking, and the telescopic bearing girder can adapt to the well with different sizes.
2. The counterweight rope head combination and the first rope guide wheel are both arranged on the telescopic beams, the traction machine and the car rope head combination are both arranged on the main beam, the traction machine is provided with a traction wheel, the main beam and the telescopic beams at the two ends can slide mutually, and the distance between the first rope guide wheel and the traction wheel is adjusted in the sliding process;
according to the well of different specification sizes, the distance between the first rope guiding wheel and the traction sheave is adjusted, cabins and counterweight components of different sizes can be connected in the well of different sizes in an adapting mode, so that the steel wire ropes between the car rope returning wheel (connected with the cabins) and the traction sheave can be vertically tangent with the car rope returning wheel and the traction sheave, and the steel wire ropes between the counterweight rope returning wheel (connected with the counterweight component) and the first rope guiding wheel can be vertically tangent with the counterweight rope returning wheel and the first rope guiding wheel, the traction force of the steel wire ropes on the running of the cabins and the counterweight component in the well is kept in the vertical direction, and the cabins and the counterweight component can be stably run in the well.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the services required in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the figures in the following description are only some embodiments of the present invention, and that other figures can be obtained according to these figures without inventive effort to a person skilled in the art.
Fig. 1 is a perspective view of a telescopic load-bearing apparatus according to an embodiment of the present invention (omitting the counterweight rope end assembly, car rope end assembly, counterweight sheave, car sheave);
FIG. 2 is a schematic diagram of a first roping arrangement according to an embodiment II;
FIG. 3 is a diagram of a second roping arrangement according to the second embodiment;
fig. 4 is a perspective view of a third telescopic load-bearing apparatus according to an embodiment of the present invention (with the counterweight rope end assembly, car rope end assembly, counterweight sheave, car sheave);
fig. 5 is a perspective view of a telescopic load-bearing apparatus according to a fourth embodiment of the present invention (the rotating beam is in an unfolded state);
fig. 6 is a partial enlarged view of a connection between a telescopic beam and a rotating beam (the first rotating member is omitted) in a telescopic load-bearing apparatus according to a fourth embodiment of the present invention.
Reference numerals:
1-a traction machine; 2-rope guiding wheel sets; 3-a steel wire rope; 4-counterweight rope return wheel; 5-a car return sheave; 6-a main beam; 7-a telescopic beam; 8-a first rope guiding wheel; 9-mounting seats; 10-rotating the beam; 11-limiting parts; 12-unfilled corner; 13-grooves; 14-a second sheave; 15-a counterweight assembly; 16-car; 17-a first rotating member; 18-a second rotating member.
Detailed Description
The invention is further described in connection with the following embodiments:
example 1
As shown in fig. 1, the telescopic load-bearing device according to the present embodiment includes a counterweight rope end assembly, a car rope end assembly, a spandrel girder, a traction machine 1, and a rope guiding wheel set 2.
The spandrel girder comprises a main girder 6 and a telescopic girder 7; the rope guiding pulley group 2 includes a first rope guiding pulley 8 and a second rope guiding pulley 14.
The telescopic beam 7 is slidably connected with two ends of the main beam 6, and a plurality of positioning holes matched with the positioning bolts are formed in the telescopic beam 7 and the main beam 6, and the positions of the positioning holes of the telescopic beam 7 and the main beam 6 correspond to each other.
The second rope guiding wheel 14, the traction machine 1 and the car rope end combination are arranged on the main beam 6, and the first rope guiding wheel 8 and the counterweight rope end combination are arranged on the telescopic beam 7.
In the present embodiment of the present invention,
the telescopic beams 7 are slidably connected with the two ends of the main beam 6, when the bearing beams need to be lifted, the telescopic beams 7 can be lifted in the well through the lifting device (hoist crane) in a sliding and shrinking mode, and the telescopic bearing beams can adapt to the well with different sizes.
The counterweight rope head combination and the first rope guide wheels 8 are both arranged on the telescopic beams 7, the traction machine 1 and the car rope head combination are both arranged on the main beam 6, the traction machine 1 is provided with traction wheels, the main beam 6 and the telescopic beams 7 at the two ends can slide mutually, and the distance between the first rope guide wheels 8 and the traction wheels is adjusted in the sliding process;
according to the distances between the first rope guiding wheels 8 and the traction sheaves of the hoistways with different specifications and sizes, cabins 16 and counterweight components 15 with different specifications and sizes can be connected in the hoistways with different sizes in an adapting mode, so that the steel wire ropes 3 between the cabin rope returning wheels 5 (connected with the cabins 16) and the traction sheaves can be vertically tangent with the cabin rope returning wheels 5 and the traction sheaves, the steel wire ropes 3 between the counterweight rope returning wheels 4 (connected with the counterweight components 15) and the first rope guiding wheels 8 can be vertically tangent with the counterweight rope returning wheels 4 and the first rope guiding wheels 8, and the traction force of the steel wire ropes 3 on the running of the cabins 16 and the counterweight components 15 in the hoistways is kept in the vertical direction, and the cabin 16 and the counterweight components 15 can be stably run in the hoistways.
In the above description, the positional connection relationship of the counterweight sheave 4, the car sheave 5, the counterweight assembly 15, and the car 16 will be mentioned in the second embodiment.
Further, the embodiment further includes an installation method for the telescopic load-bearing device, which includes the following steps:
a1, lifting the telescopic bearing device to a designated lifting position in a well through a hoist crane positioned on a lifting beam at the top of the well;
the step can be divided into two lifting modes, namely, the whole telescopic bearing device is directly lifted to a specified height position of a well in a hanging way through the connection of a hoist crane and a lifting hook arranged on a telescopic beam 7; secondly, after the traction machine 1 and other components are lifted to a specified lifting position in a well separately through a hoist, the traction machine 1 is mounted on the main beam 6. Although the second hoisting mode is more complicated than the first hoisting mode, the second hoisting mode is safer due to the heavy weight of the hoisting machine 1.
A2, fixing the telescopic bearing device with the well wall;
the method comprises the following steps:
according to the specification and the size of a hoistway, the distance between the car return rope pulley 5 and the counterweight return rope pulley 4 and corresponding adjacent hoistway walls is calculated, and the distance between the first guide rope pulley 8 and the traction sheave of the traction machine 1 in the telescopic bearing device is correspondingly adjusted through sliding fit of the main beam 6 and the telescopic beam 7; the adjusting process comprises the following steps:
and the limitation of the positioning bolts on the positioning holes is released, and the main beam 6 and the telescopic beam 7 slide relatively, so that the counterweight rope end combination and the first rope guiding wheel 8 move synchronously along with the telescopic beam 7, and the traction machine 1, the second rope guiding wheel 14 and the car rope end combination move synchronously along with the main beam 6 relative to the first rope guiding wheel 8.
After the distance adjustment is completed, a positioning bolt is installed to limit the sliding of the telescopic beam 7 and the main beam 6, and the telescopic beam 7 is fixed with the hole of the well wall.
Example two
Compared with the first embodiment, the telescopic bearing device of the present embodiment further comprises a steel wire rope 3, a counterweight return rope pulley 4 and a car return rope pulley 5, wherein the steel wire rope 3 winds around the counterweight return rope pulley 4, the first guide rope pulley 8, the second guide rope pulley 14, the traction machine 1 and the car return rope pulley 5, and two ends of the steel wire rope 3 are respectively connected with a counterweight rope end combination (for dragging one end of the steel wire rope 3 close to the counterweight return rope pulley 4) and a car rope end combination (for dragging one end of the steel wire rope 3 close to the car return rope pulley 5).
The installation method of the telescopic bearing device further comprises the following steps:
a3, one end of the steel wire rope 3 is connected with the counterweight rope end in a combined way, and the other end sequentially bypasses the counterweight rope pulley 4, the rope guiding pulley group 2, the traction sheave of the traction machine 1 and the car rope return pulley 5 and then is connected with the car rope end in a combined way (the step is preceded by installing the car 16 and the counterweight assembly 15 in a hoistway).
Further, the embodiment further includes a use method for the telescopic load-bearing device, which specifically includes:
as shown in fig. 2, when the building floor height is higher than 25 m and the running height of the elevator car 16 and the counterweight assembly 15 is higher than 20 m, the steel wire rope 3 is wound around the counterweight sheave 4, the rope guiding wheel set 2, the traction machine 1 and the elevator car rope returning sheave 5, two ends of the steel wire rope 3 are respectively connected with the counterweight rope head combination and the elevator car rope head combination, and the steel wire rope 3 wound around the counterweight sheave 4 is wound around the upper part of the outer circumference of the first rope guiding sheave 8 and then wound around the upper part of the outer circumference of the second rope guiding sheave 14;
as shown in fig. 3, when the building floor height is equal to or lower than 25 m and the running height of the car 16 and the counterweight assembly 15 is equal to or lower than 20 m, the wire rope 3 is wound around the counterweight return sheave 4, the rope guide sheave group 2, the traction machine 1, the car return sheave 5, both ends are respectively connected with the counterweight rope head combination and the car rope head combination, and the wire rope 3 wound around the counterweight return sheave 4 is wound around the upper part of the outer circumference of the first rope guide sheave 8 and then wound around the lower part of the outer circumference of the second rope guide sheave 14.
Because the traction force of the car 16 and the counterweight assembly 15 wound on the traction machine 1 through the steel wire rope 3 is excessive along with the lifting of the building floor height, the traction wrap angle of the steel wire rope 3 on the traction sheave can be correspondingly reduced through the use method, and the car 16 and the counterweight assembly 15 can stably run on higher floors.
Example III
Compared with the embodiment, the telescopic load-bearing device of the present embodiment further includes a mounting seat 9 for supporting the spandrel girder, and the mounting seat 9 is disposed at one end of the corresponding telescopic girder 7 far away from the main girder 6, as shown in fig. 4.
In the embodiment, the mounting seat 9 is provided with a turning part, and the inner side of the turning part is provided with a reinforcing rib for reinforcing the strength of the mounting seat; an elliptical hole array is arranged on one surface of the turning part, which is opposite to the well wall, so that the expansion bolts can be conveniently aligned with the mounting holes on the well wall.
Through the cooperation of expansion bolts and the mounting hole on the well wall, with mount pad 9 fixed mounting on the well wall, need not to chisel to establish the entrance to a cave on the well wall in addition to and later stage need not to repair the entrance to a cave, reduce the construction process, improve the efficiency of construction.
Further, the embodiment also includes a method for installing the telescopic load-bearing device according to the embodiment, including the following steps:
b1, lifting the telescopic bearing device to a designated lifting position in a well through a hoist crane positioned on a lifting beam at the top of the well;
b2, fixing the telescopic bearing device with the well wall, wherein the process comprises the following steps:
1) A mounting seat 9 at one end, far away from the main beam 6, of the telescopic beam 7 provided with the first rope guide wheel 8 is fixedly connected with the well wall, so that the telescopic beam 7 is fixed on the well wall;
2) Loosening the limit of the positioning bolt on the positioning hole, sliding the main beam 6 relative to the telescopic beam 7, driving the traction sheave to move by the main beam 6, and adjusting the distance between the traction sheave and the first rope guiding sheave 8 (the distance between the car rope returning sheave 5 and the counterweight rope returning sheave 4 and the corresponding adjacent hoistway wall is calculated according to the specification and the size of the hoistway before);
3) After the distance between the traction wheel and the first rope guiding wheel 8 is adjusted, loosening the telescopic beam 7 at the other end of the main beam 6 and the positioning bolt of the main beam 6, and sliding the telescopic beam 7 relative to the main beam 6 until the mounting seat 9 on the telescopic beam 7 at the other end is tightly attached to the wall of the hoistway, and fixedly connecting with the wall of the hoistway through the mounting seat 9 of the expansion bolt;
4) The telescopic beam 7 is fixed with the main beam 6 through the cooperation of the positioning bolts and the positioning holes.
And B3, connecting one end of the steel wire rope 3 with the counterweight rope end in a combined way, and connecting the other end of the steel wire rope with the car rope end in a combined way after bypassing the counterweight rope return wheel 4, the rope guide wheel set 2, the traction sheave of the traction machine 1 and the car rope return wheel 5 in sequence.
Example IV
As shown in fig. 5 and 6, compared with the three phases of the embodiment, the telescopic load-bearing device of the present embodiment further includes a rotating beam 10, and the rotating beam 10 is rotatably connected with one end of the telescopic beam 7 away from the main beam 6; the telescopic beam 7 is provided with a limiting piece 11 for limiting the rotation angle of the rotary beam 10, the mounting seat 9 is arranged on the limiting piece 11, and the reinforcing ribs of the mounting seat 9 are positioned on two sides of the mounting seat 9.
Specifically, in the present embodiment, the rotating beam 10 includes a first rotating member 17 and a second rotating member 18; one end of the first rotating member 17 is rotatably connected with the telescopic beam 7, the other end of the first rotating member 17 is fixedly connected with the second rotating member 18, the upper surface of the first rotating member 17 is abutted against the corresponding limiting member 11, and the rotating angle of the first rotating member is limited by the corresponding limiting member 11.
More specifically, the end of the telescopic beam 7 near the rotating beam 10 is provided with a unfilled corner 12; the second rotating member 18 is provided with a groove 13 matched with the unfilled corner 12, and when the second rotating member 18 is in a horizontal state, the end face of the second rotating member 18 is abutted against the end face of the telescopic beam 7.
In the above, the telescopic beam 7 is matched with the groove 13 of the second rotating member 18 through the unfilled corner 12 thereof, so that the telescopic beam 7 is prevented from interfering the second rotating member 18 to rotate, when the second rotating member 18 is in a horizontal state, the end face of the second rotating member 18 is in conflict with the end face of the telescopic beam 7, and then under the cooperation that the upper surface of the first rotating member 17 is in limit conflict with the corresponding limiting member 11, the strength of the fully unfolded spandrel beam (the main beam 6, the telescopic beam 7 and the rotating beam 10 are in the same horizontal height) is greatly improved.
Further, the embodiment also includes a method for installing the telescopic load-bearing device according to the embodiment, including the following steps:
c1, lifting the telescopic bearing device to a designated lifting position in a well through a hoist crane positioned on a lifting beam at the top of the well;
c2, fixing the telescopic bearing device with the well wall, wherein the process comprises the following steps:
1) Unfolding the rotary beams 10 at the two ends of the telescopic bearing device, and adjusting to be in a horizontal state;
2) According to the specification and the size of a hoistway, calculating the distance between the car return rope pulley 5 and the counterweight return rope pulley 4 and corresponding adjacent hoistway walls, and correspondingly adjusting the distance between the first guide rope pulley 8 in the telescopic bearing device and the traction sheave of the traction machine 1;
3) The rotary beams 10 at the two ends of the telescopic bearing device are respectively inserted into corresponding shaft wall openings, and the mounting seat 9 is fixedly connected with the corresponding shaft wall.
And C3, connecting one end of the steel wire rope 3 with the counterweight rope end in a combined way, and connecting the other end of the steel wire rope with the car rope end in a combined way after bypassing the counterweight rope return wheel 4, the rope guide wheel set 2, the traction sheave of the traction machine 1 and the car rope return wheel 5 in sequence.
In addition, the installation steps of the telescopic bearing device are all to install on an additionally built operation platform in the well, so that the security of overhead operation in the well is provided for installation staff.
The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, so variations in shape and principles of the present invention should be covered.
Claims (16)
1. A telescopic bearing device comprises a counterweight rope end combination, a car rope end combination, a bearing beam, a traction machine and a rope guiding wheel set;
the bearing beam is characterized by comprising a main beam and a telescopic beam;
the telescopic beams are connected with two ends of the main beam in a sliding manner;
the traction machine and the car rope head are assembled and mounted on the main beam;
the rope guiding wheel set comprises a first rope guiding wheel;
the first rope guiding wheel and the counterweight rope head are combined and fixedly arranged on the telescopic beam.
2. The telescopic load-bearing apparatus of claim 1, further comprising a mounting for supporting the bolster.
3. A telescopic load-bearing apparatus according to claim 2, wherein the mounting base is connected to an end of the corresponding telescopic beam remote from the main beam.
4. The telescopic load-bearing apparatus of claim 2, further comprising a rotating beam rotatably coupled to an end of the telescopic beam remote from the main beam;
the mounting seat is arranged on the telescopic beam.
5. The telescopic load-bearing apparatus according to claim 4, wherein a stopper for restricting the rotation angle of the rotating beam is mounted on the telescopic beam.
6. The telescopic load bearing apparatus of claim 5, wherein said rotating beam comprises a first rotating member and a second rotating member;
one end of the first rotating piece is rotationally connected with the telescopic beam, the other end of the first rotating piece is fixedly connected with the second rotating piece, the upper surface of the first rotating piece is abutted against the corresponding limiting piece, and the rotating angle of the first rotating piece is limited by the corresponding limiting piece.
7. The telescopic load-bearing apparatus according to claim 6, wherein one end of the telescopic Liang Jiejin rotating beam is provided with a unfilled corner;
the second rotating piece is provided with a groove matched with the unfilled corner, and when the second rotating piece is in a horizontal state, the end face of the second rotating piece is abutted against the end face of the telescopic beam.
8. A telescopic load-bearing apparatus according to any one of claims 1-7, wherein the rope guide pulley assembly further comprises a second rope guide pulley removably mounted to the main beam between the hoisting machine and the first rope guide pulley.
9. The telescopic load-bearing apparatus of claim 8, further comprising a wire rope, a counterweight sheave, and a car sheave; the wire rope passes through the counterweight rope return wheel, the rope guide wheel set, the traction machine and the car rope return wheel, two ends of the wire rope are respectively connected with the counterweight rope end combination and the car rope end combination, and the wire rope which passes through the counterweight rope return wheel passes through the first rope guide wheel first.
10. A method of installing a telescopic load bearing apparatus according to claim 1, comprising the steps of:
s1, lifting a telescopic bearing device to a designated lifting position in a well through a lifting device positioned on a lifting beam at the top of the well;
s2, fixing the telescopic bearing device with the well wall; the fixing process comprises the following steps: according to the specification and the size of a hoistway, calculating the distance between a car rope return wheel and a counterweight rope return wheel and corresponding adjacent hoistway walls respectively, and correspondingly adjusting the distance between a first rope guide wheel and a traction sheave of a traction machine in a telescopic bearing device through sliding fit of a main beam and a telescopic beam; and after the adjustment is finished, the relative positions of the main beam and the telescopic beam are locked.
11. The method according to claim 10, wherein in S2, after the adjustment is completed and the relative positions of the main beam and the telescopic beam are locked, the end of the telescopic beam away from the main beam is fixed to the opening of the hoistway wall.
12. The method of installing a telescopic load-bearing apparatus of claim 10, wherein the telescopic load-bearing apparatus further comprises an installation base coupled to the telescopic beam;
in the step S2, the fixing process further comprises fixedly connecting the mounting seat with the well wall.
13. The method of claim 12, wherein the mounting base is connected to an end of the telescopic beam away from the main beam;
in the step S2 of the above-mentioned method,
before the distance between the first rope guiding wheel and the traction sheave of the traction machine in the telescopic bearing device is correspondingly adjusted, a mounting seat at one end, far away from the main beam, of a telescopic beam provided with the first rope guiding wheel is fixedly connected with the well wall, so that the telescopic beam is fixed on the well wall;
after the distance between the first rope guiding wheel and the traction wheel of the traction machine in the telescopic bearing device is correspondingly adjusted, the telescopic beam at the other end of the main beam is adjusted to extend outwards until the mounting seat at one end of the telescopic beam far away from the main beam is tightly attached to the corresponding hoistway wall, the mounting seat is fixedly connected with the hoistway wall, and the relative position of the main beam and the telescopic beam is locked.
14. The method of installing a telescopic load-bearing apparatus according to claim 12, wherein said mounting base is provided on a telescopic beam; the telescopic bearing device also comprises a rotating beam which is rotationally connected with one end of the telescopic beam far away from the main beam;
in the step S2 of the above-mentioned method,
before correspondingly adjusting the distance between the first rope guiding wheel and the traction wheel of the traction machine in the telescopic bearing device, unfolding the rotating beams at two ends of the telescopic bearing device, and adjusting to be in a horizontal state;
after the distance between the first rope guiding wheel and the traction sheave of the traction machine in the telescopic bearing device is correspondingly adjusted, the rotating beams at the two ends of the telescopic bearing device are respectively inserted into the corresponding shaft wall holes, and the mounting seat is fixedly connected with the corresponding shaft wall.
15. A method of installing a telescopic load carrier according to any of claims 10-14, wherein the telescopic load carrier further comprises a wire rope;
the installation method further comprises the following steps:
a3, one end of the steel wire rope is connected with the counterweight rope end in a combined way, and the other end of the steel wire rope is connected with the car rope end in a combined way after bypassing the counterweight rope return wheel, the rope guide wheel set, the traction sheave of the traction machine and the car rope return wheel in sequence.
16. A method of using the telescopic load-bearing apparatus of claim 9, comprising:
when the building floor height is higher than a first set height and the running height of the lift car and the counterweight assembly is higher than a second set height, the steel wire rope is wound around the counterweight rope return wheel, the rope guide wheel set, the traction machine and the lift car rope return wheel, two ends of the steel wire rope are respectively connected with the counterweight rope head combination and the lift car rope head combination, and the steel wire rope wound around the counterweight rope return wheel is wound around the upper part of the outer circumference of the first rope guide wheel and then wound around the upper part of the outer circumference of the other rope guide wheel of the rope guide wheel set;
when the building floor height is equal to or lower than a first set height and the running height of the lift car and the counterweight assembly is equal to or lower than a second set height, the steel wire rope is wound around the counterweight rope return wheel, the rope guide wheel set, the traction machine and the lift car rope return wheel, two ends of the steel wire rope are respectively connected with the counterweight rope head combination and the lift car rope head combination, and the steel wire rope wound around the counterweight rope return wheel is wound around the upper part of the outer circumference of the first rope guide wheel and then wound around the lower part of the outer circumference of the other rope guide wheel of the rope guide wheel set.
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| CN202311351939.8A CN117068910B (en) | 2023-10-19 | 2023-10-19 | Telescopic bearing device and installation and use method thereof |
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| CN202311351939.8A CN117068910B (en) | 2023-10-19 | 2023-10-19 | Telescopic bearing device and installation and use method thereof |
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| EP0080038A2 (en) * | 1981-09-23 | 1983-06-01 | Albert Böcker GmbH & Co. KG | Telescopic jib, in particular for inclined lifts |
| JPH06322993A (en) * | 1993-05-10 | 1994-11-22 | Takenaka Komuten Co Ltd | Expansion machine beam of mobile machine room type elevator |
| CN112110316A (en) * | 2020-09-21 | 2020-12-22 | 马利群 | Elevator shaft traction rotary telescopic construction elevator and installation and use method thereof |
| CN218708407U (en) * | 2022-11-02 | 2023-03-24 | 广东省大江建筑机械有限公司 | Lifting platform of elevator shaft construction elevator |
| CN219279192U (en) * | 2022-11-29 | 2023-06-30 | 广东省大江建筑机械有限公司 | Lifting platform capable of being adjusted in telescopic mode |
| CN219773570U (en) * | 2023-04-27 | 2023-09-29 | 广东省大江建筑机械有限公司 | Telescopic spandrel girder |
| CN219823333U (en) * | 2023-04-27 | 2023-10-13 | 广东省大江建筑机械有限公司 | Lifting mechanism of well construction lifter |
-
2023
- 2023-10-19 CN CN202311351939.8A patent/CN117068910B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0080038A2 (en) * | 1981-09-23 | 1983-06-01 | Albert Böcker GmbH & Co. KG | Telescopic jib, in particular for inclined lifts |
| JPH06322993A (en) * | 1993-05-10 | 1994-11-22 | Takenaka Komuten Co Ltd | Expansion machine beam of mobile machine room type elevator |
| CN112110316A (en) * | 2020-09-21 | 2020-12-22 | 马利群 | Elevator shaft traction rotary telescopic construction elevator and installation and use method thereof |
| CN218708407U (en) * | 2022-11-02 | 2023-03-24 | 广东省大江建筑机械有限公司 | Lifting platform of elevator shaft construction elevator |
| CN219279192U (en) * | 2022-11-29 | 2023-06-30 | 广东省大江建筑机械有限公司 | Lifting platform capable of being adjusted in telescopic mode |
| CN219773570U (en) * | 2023-04-27 | 2023-09-29 | 广东省大江建筑机械有限公司 | Telescopic spandrel girder |
| CN219823333U (en) * | 2023-04-27 | 2023-10-13 | 广东省大江建筑机械有限公司 | Lifting mechanism of well construction lifter |
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|---|---|
| CN117068910B (en) | 2024-03-22 |
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