阅读说明：本技术 一种轿架的安装方法 (Mounting method of car frame ) 是由 蒋代波 邓荣斌 陈俊龙 胡永升 赵建斌 陈建超 于 2021-08-12 设计创作，主要内容包括：本发明公开了一种轿架的安装方法,包括如下步骤：下梁的安装、立柱的安装、上梁的安装、托架的安装、反绳轮的安装、斜拉杆的安装、限位打板的安装；在所述下梁的左右两端下方安装第一导靴,所述第一导靴用于桥架在上下移动时使轿架沿着导轨进行移动,在所述下梁的左右两端面安装安全钳,所述安全钳用于在电梯速度快于电梯限速器设定的限制速度或悬挂绳发生断裂时将电梯夹停在导轨上,所述立柱与下梁之间通过下梁角形板与螺栓连接固定,在安装轿架部件时多以螺栓固定,与焊接相比,在安装时便于对轿架部件的位置调整,也方便在电梯维修时的拆装。(The invention discloses a car frame mounting method, which comprises the following steps: the method comprises the following steps of (1) mounting a lower beam, mounting an upright post, mounting an upper beam, mounting a bracket, mounting a diversion sheave, mounting a diagonal draw bar and mounting a limiting striking plate; the elevator car frame comprises a lower beam, a car frame, a guide rail, safety tongs, a vertical column, a lower beam, a car frame component and a suspension rope, wherein the car frame is arranged on the guide rail, the car frame is arranged on the lower beam, the car frame is arranged below the left end and the right end of the lower beam, the first guide shoes are used for enabling the car frame to move along the guide rail when the bridge moves up and down, the safety tongs are arranged on the left end face and the right end face of the lower beam and used for clamping and stopping the elevator on the guide rail when the elevator speed is higher than the set limiting speed of an elevator speed limiter or the suspension rope breaks, the vertical column and the lower beam are fixedly connected with the bolts through lower beam angle plates, the car frame component is mounted by the bolts, and compared with welding, the car frame component can be conveniently adjusted in position when the installation, and is also convenient to be disassembled and assembled during elevator maintenance.)

1. The mounting method of the car frame is characterized by comprising the following steps:

A. installation of the lower beam (2): a well for installing an elevator is built before a car frame (1) is installed, a bearing beam for hanging heavy objects is arranged at the uppermost end of the well, two hoists are arranged on the bearing beam, the hoists are used for hoisting parts of the bridge (1), two rows of guide rails (3) for guiding the car frame during moving are arranged in the well, a support frame for placing a lower beam (2) is arranged between the two rows of guide rails (3), the lower beam (2) is placed between the two guide rails (3) and flatly placed on the support frame by hoisting the hoists, a ruler gradienter is used for correcting the lower beam (2) to ensure that the levelness of the lower beam (2) is not more than 0.5/1000, first guide shoes (4) are installed below the left end and the right end of the lower beam (2), the first guide shoes (4) are pre-locked firstly, a vernier caliper is used for measuring and adjusting the gaps between the first guide shoe (4) lining and the two sides of the guide rails (3), locking and fixing a first guide shoe (4), wherein the first guide shoe (4) is used for enabling the car frame (1) to move along the guide rail (3) when the bridge (1) moves up and down, safety tongs (5) are installed on the left end face and the right end face of the lower beam (2), the safety tongs (5) are firstly locked in advance, a vernier caliper is used for measuring and adjusting gaps between two wedge blocks of the safety tongs (5) and the two sides of the guide rail (3), then the safety tongs (5) are locked and fixed, and the safety tongs (5) are used for clamping and stopping an elevator in operation on the guide rail (3);

B. mounting of the column (10): lower beam angle plates (11) are arranged on the front side surface and the rear side surface of the left end and the right end of the lower beam (2), corresponding bolt holes are respectively arranged on the lower beam (2) and the lower beam angle plates (11), upright columns (10) are hoisted, two upright columns (10) are respectively arranged above the left end and the right end of the lower beam (2), and the upright columns (10) and the lower beam (2) are connected with the bolts through the lower beam angle plates (11) and are pre-locked;

C. mounting of the upper beam (20): hoisting an upper beam (20) according to the positions of two vertical columns (10) to connect the upper beam (20) to the top ends of the two vertical columns (10), connecting the upper beam (20) and the vertical columns (10) through bolts, mounting second guide shoes (21) on upper planes at the left end and the right end of the upper beam (20), pre-locking the second guide shoes (21), adjusting the whole car frame (1), measuring and adjusting the length difference of two diagonal lines of the car frame (1) by using a measuring tape to be kept within 2 mm, measuring and adjusting the vertical columns (10) by using a suspension line to keep the vertical columns (10) vertical, measuring and adjusting the gap between shoe linings of the second guide shoes (21) and the two sides of a guide rail (3) by using a vernier caliper, and locking the bolts on a lower beam angular plate (11) and locking the second guide shoes (21);

D. mounting of the bracket (30): the bracket (30) comprises a bracket side beam (31) and a bracket front beam and a bracket rear beam (32), the bracket (30) is connected and pre-locked on the lower beam (2) through bolts, the levelness of the bracket (30) is checked and adjusted by a ruler level gauge and is not more than 2/1000, if the levelness of the bracket (30) is difficult to adjust to be not more than 2/1000, a gasket is added between the bracket (30) and the lower beam (2) to adjust the levelness of the bracket (30), the bolts are tightened after the levelness of the bracket (30) is adjusted to lock and fix the bracket (30) on the lower beam (2), car damping pads (33) are arranged on the upper planes of the front end and the rear end of the bracket side beam (31), the car vibration damping pad (33) is used for reducing the vibration of the car when the elevator runs, mounting a bracket F glue (34) on the upper plane of the rear end of the bracket side beam (31), wherein the bracket F glue (34) is used for determining the position of the car bottom;

E. installation of the diverting pulley (40): the elevator is internally provided with a tractor, the tractor is used for controlling the elevator to move up and down, two diversion sheave bottom plates (41) are arranged in front of the lower beam (2), the diversion sheave bottom plates (41) are fixedly connected below the bracket (30) through bolts, two diversion sheaves (40) are rotatably connected between the two diversion sheave bottom plates (41), the verticality of the two diversion sheaves (40) is measured and adjusted by using a hanging wire, so that the verticality of the two diversion sheaves (40) is not more than 0.5 mm, the parallelism of the two diversion sheaves (40) is measured and adjusted by using a ruler gradienter, so that the parallelism of the two diversion sheaves (40) is not more than 1 mm, and the diversion sheaves (40) are used for reducing the output power and the moment of the elevator tractor;

F. installation of diagonal members (50): first pull rod pull lugs (51) for mounting the diagonal pull rods (50) are arranged on the left end face and the right end face of the front beam and the rear beam (32) of the bracket, second pull rod pull lugs (52) for mounting the diagonal pull rods (50) are arranged on the front side face and the rear side face of the upright post (10), one threaded end of each diagonal pull rod (50) is in threaded connection with the first pull rod pull lug (51), and the other end of each diagonal pull rod (50) is hinged to the second pull rod pull lug (52);

G. installation of a limiting beating plate (60): be equipped with beater support (61) that is used for installing spacing beater (60) on the leading flank of stand (10), will spacing beater (60) are installed on beater support (61), bolted connection is used with beater support (61) in spacing beater (60), spacing beater (60) are used for preventing the elevator from squatting at the bottom or dashing the top.

2. A method for mounting a car frame according to claim 1, characterized in that the two wedges of the safety gear (5) have the same clearance with the two sides of the guide rail (3), and the shoe linings of the first guide shoes (4) have the same clearance with the two sides of the guide rail (3).

3. A method for mounting a car frame according to claim 1, wherein the second guide shoe (21) shoe guide is equally spaced from both sides of the guide rail (3).

4. The installation method of the car frame according to claim 1, characterized in that the upper end of the upright post (10) is provided with a V-shaped opening (12), the V-shaped opening (12) is used for positioning the midpoint of the upright post (10) to determine the position of the second guide shoe (21), the lower end of the upright post (10) is provided with a U-shaped opening (13), and the U-shaped opening (13) is used for pulling the lower end of the upright post (10) to the left and the right or compressing the lower end of the upright post (10) to the U-shaped opening (13) according to the U-shaped opening (13) when the upright post (10) is installed.

Technical Field

The invention relates to a mounting method of a car frame.

Background

Along with the development of science and technology, more and more high-rise building is built in the society, for the convenience of people going upstairs and downstairs, the elevator is widely used in the building, but the sedan-chair frame structure of elevator is complicated and because sedan-chair frame accessory has machining error in the in-process of production, thereby the laminating that can not be fine between accessory and accessory during the installation causes great installation error to influence the life of elevator, use the welding as the owner in the in-process of sedan-chair frame installation more, be difficult for dismouting and maintenance.

The present invention has been made based on such a situation.

Disclosure of Invention

The invention overcomes the defects of the prior art and provides the installation method of the car frame which is convenient to disassemble, assemble and maintain.

The invention is realized by the following technical scheme:

a car frame installation method comprises the following steps:

A. installation of the lower beam: a shaft for installing an elevator is built before a car frame is installed, a bearing beam for hanging heavy objects is arranged at the uppermost end of the shaft, two hoists are arranged on the bearing beam, the hoists are used for hoisting parts of a bridge frame, two rows of guide rails for guiding the car frame when moving are arranged in the shaft, a support frame for placing a lower beam is arranged between the two rows of guide rails, the lower beam is hoisted by the hoists and placed between the two guide rails and flatly placed on the support frame, the lower beam is corrected by a ruler level instrument so that the levelness of the lower beam is not more than 0.5/1000, first guide shoes are installed below the left end and the right end of the lower beam, the first guide shoes are firstly pre-locked, gaps between the first guide shoe linings and the two sides of the guide rails are measured and adjusted by a vernier, then the first guide shoes are locked and fixed, the first guide shoes are used for moving the car frame along the guide rails when the bridge frame moves up and down, safety calipers are installed on the left end surface and the right end surface of the lower beam, pre-locking safety tongs, measuring and adjusting gaps between two wedge blocks of the safety tongs and two sides of a guide rail by using a vernier caliper, and locking and fixing the safety tongs, wherein the safety tongs are used for clamping and stopping an elevator in operation on the guide rail;

B. and (3) mounting of the stand column: the lower beam is provided with a lower beam angle plate on the front side surface and the rear side surface of the left end and the right end of the lower beam, the lower beam and the lower beam angle plate are respectively provided with corresponding bolt holes, upright columns are hoisted, the two upright columns are respectively arranged above the left end and the right end of the lower beam, and the upright columns and the lower beam are connected and pre-locked through the lower beam angle plate and bolts;

C. mounting an upper beam: hoisting an upper beam according to the positions of the two upright columns to connect the upper beam to the top ends of the two upright columns, connecting the upper beam with the upright columns through bolts, mounting second guide shoes on upper planes at the left end and the right end of the upper beam, pre-locking the second guide shoes, adjusting the whole car frame, measuring and adjusting the length difference of two diagonal lines of the car frame by using a measuring tape to keep within 2 mm, vertically measuring and adjusting the upright columns by using a hanging line to keep the upright columns vertical, measuring and adjusting the gap between a shoe liner of the second guide shoes and two sides of a guide rail by using a vernier caliper, and locking the bolts on an angle plate of the lower beam and locking the second guide shoes;

D. mounting of the bracket: the bracket comprises a bracket side beam and a bracket front beam and a bracket rear beam, the bracket is connected and pre-locked on the lower beam through bolts, the levelness of the bracket is checked and adjusted by using a ruler level meter and is not more than 2/1000, if the levelness of the bracket is difficult to adjust to be not more than 2/1000, a gasket is added between the bracket and the lower beam to adjust the levelness of the bracket, the bolts are screwed after the levelness of the bracket is adjusted to lock and fix the bracket on the lower beam, car damping pads are installed on the upper planes of the front end and the rear end of the bracket side beam and are used for reducing the vibration of a car when the elevator runs, a bracket F glue is installed on the upper plane of the rear end of the bracket side beam and is used for determining the position of a car bottom;

E. installation of the diversion sheave: the elevator is provided with a tractor, the tractor is used for controlling the elevator to move up and down, two diversion sheave bottom plates are arranged in front of the lower beam, the diversion sheave bottom plates are fixedly connected below the bracket through bolts, two diversion sheaves are rotatably connected between the two diversion sheave bottom plates, the verticality of the two diversion sheaves is measured and adjusted by a hanging line, the verticality of the two diversion sheaves is not more than 0.5 mm, the parallelism of the two diversion sheaves is measured and adjusted by a ruler level gauge, the parallelism of the two diversion sheaves is not more than 1 mm, and the diversion sheaves are used for reducing the output power and the torque of the elevator tractor;

F. and (3) mounting the diagonal draw bars: first pull rod pull lugs for mounting the diagonal pull rods are arranged on the left end face and the right end face of the front beam and the rear beam of the bracket, second pull rod pull lugs for mounting the diagonal pull rods are arranged on the front side face and the rear side face of the upright post, one threaded end of each diagonal pull rod is in threaded connection with the corresponding first pull rod pull lug, and the other end of each diagonal pull rod is hinged to the corresponding second pull rod pull lug;

G. installing a limiting beating plate: be equipped with the beater support that is used for installing spacing beater on the leading flank of stand, will spacing beater is installed on the beater support, spacing beater is bolted connection for the beater support, spacing beater is used for preventing that the elevator from squatting to the bottom or dashing the top.

The clearance between the two wedges of the safety gear and the two sides of the guide rail is equal, and the clearance between the first guide shoe liner and the two sides of the guide rail is equal.

The second guide shoe guide is equal to the gaps on the two sides of the guide rail.

The upper end of the upright post is provided with a V-shaped opening, the V-shaped opening is used for positioning the middle point of the upright post to determine the position of the second guide shoe, the lower end of the upright post is provided with a U-shaped opening, and the U-shaped opening is used for pulling the lower end of the upright post left and right or compressing the lower end of the upright post towards the U-shaped opening according to the U-shaped opening when the upright post is installed.

Compared with the prior art, the invention has the following advantages:

1. the car frame mounting method of the invention is characterized in that the car frame components are mostly fixed by bolts when being mounted, and compared with welding, the car frame components are convenient to adjust the positions when being mounted and also convenient to disassemble and assemble when the elevator is maintained.

2. The lower end of the upright post is provided with a U-shaped opening, and the lower end of the upright post can be pulled left and right or compressed towards the U-shaped opening according to the U-shaped opening when the upright post is installed, so that the installation is more clung.

3. The safety tongs are installed on the car frame, so that the elevator can be clamped and stopped on the guide rail when the elevator speed is higher than the limit speed set by the elevator speed limiter or the suspension rope is broken, and the harm to people when the elevator breaks down is reduced.

4. The car frame is provided with a limiting beating plate which can prevent the elevator from squatting at the bottom or rushing to the top when the elevator runs to the limit position.

Drawings

The following detailed description of embodiments of the invention is provided in conjunction with the appended drawings, in which:

FIG. 1 is a schematic structural view of a car frame according to the present invention;

FIG. 2 is a schematic view of the lower beam of the present invention positioned between two rails during installation;

fig. 3 is a schematic view of the gap between the safety gear and the guide rail according to the present invention;

FIG. 4 is a schematic view of the present invention with a gap between the first guide shoe and the guide rail;

FIG. 5 is a schematic view of the installation of a limiting striking plate on a column in the present invention;

fig. 6 is a partial schematic view of a post according to the present invention.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

the installation method of the car frame shown in fig. 1 to 5 comprises the following steps:

A. installation of the lower beam 2: a shaft for installing an elevator is built before a car frame 1 is installed, a bearing beam for hanging heavy objects is arranged at the uppermost end of the shaft, two hoists are arranged on the bearing beam, the hoists are used for hoisting parts of the bridge 1, two rows of guide rails 3 for guiding the car frame when moving are arranged in the shaft, a support frame for placing a lower beam 2 is arranged between the two rows of guide rails 3, the lower beam 2 is placed between the two guide rails 3 and flatly placed on the support frame by hoisting the lower beam 2 through the hoists, the lower beam 2 is corrected by a ruler level gauge to ensure that the levelness of the lower beam 2 is not more than 0.5/1000, first guide shoes 4 are installed below the left end and the right end of the lower beam 2, the first guide shoes 4 are pre-locked, gaps between shoe linings of the first guide shoes 4 and the two sides of the guide rails 3 are measured and adjusted by a vernier caliper, the first guide shoes 4 are locked and fixed, and are used for enabling the car frame 1 to move along the guide rails 3 when moving up and down, installing safety tongs 5 on the left end face and the right end face of the lower beam 2, pre-locking the safety tongs 5, measuring and adjusting the gaps between two wedge blocks of the safety tongs 5 and the two sides of the guide rail 3 by using a vernier caliper, and locking and fixing the safety tongs 5, wherein the safety tongs 5 are used for clamping and stopping an elevator in operation on the guide rail 3;

B. installation of the column 10: lower beam angle plates 11 are arranged on the front side surface and the rear side surface of the left end and the right end of the lower beam 2, corresponding bolt holes are respectively arranged on the lower beam 2 and the lower beam angle plates 11, upright columns 10 are hoisted, the two upright columns 10 are respectively arranged above the left end and the right end of the lower beam 2, and the upright columns 10 and the lower beam 2 are connected and pre-locked through the lower beam angle plates 11 and bolts;

C. mounting of the upper beam 20: hoisting an upper beam 20 according to the positions of two vertical columns 10 to connect the upper beam 20 to the top ends of the two vertical columns 10, wherein the upper beam 20 is connected with the vertical columns 10 through bolts, mounting second guide shoes 21 on upper planes at the left end and the right end of the upper beam 20, pre-locking the second guide shoes 21, adjusting the whole car frame 1, measuring and adjusting the length difference of two diagonal lines of the car frame 1 by using a tape measure to keep the length difference within 2 mm, measuring and adjusting the vertical columns 10 by using a hanging line vertically to keep the vertical columns 10 vertical, measuring and adjusting the gaps between shoe linings of the second guide shoes 21 and two sides of a guide rail 3 by using a vernier caliper, and locking bolts on a lower beam angle plate 11 and locking the second guide shoes 21;

D. mounting of the bracket 30: the bracket 30 comprises a bracket side beam 31 and a bracket front and rear beam 32, the bracket 30 is connected and pre-locked on the lower beam 2 through bolts, the levelness of the bracket 30 is checked and adjusted by a ruler level gauge, the levelness does not exceed 2/1000, if the levelness of the bracket 30 is difficult to adjust to be not more than 2/1000, a gasket is added between the bracket 30 and the lower beam 2 to adjust the levelness of the bracket 30, the bolts are screwed after the levelness of the bracket 30 is adjusted to lock and fix the bracket 30 on the lower beam 2, car damping pads 33 are installed on the upper planes of the front end and the rear end of the bracket side beam 31, the car damping pads 33 are used for reducing the vibration of a car during the operation of an elevator, a bracket F glue 34 is installed on the upper plane of the rear end of the bracket side beam 31, and the bracket F glue 34 is used for determining the position of the bottom of the car;

E. installation of the diverting pulley 40: the elevator is provided with a tractor, the tractor is used for controlling the elevator to move up and down, two diversion sheave bottom plates 41 are arranged in front of the lower beam 2, the diversion sheave bottom plates 41 are fixedly connected below the bracket 30 through bolts, two diversion sheaves 40 are rotatably connected between the two diversion sheave bottom plates 41, the verticality of the two diversion sheaves 40 is measured and adjusted by using a hanging line, so that the verticality of the two diversion sheaves 40 is not more than 0.5 mm, the parallelism of the two diversion sheaves 40 is measured and adjusted by using a ruler level gauge, so that the parallelism of the two diversion sheaves 40 is not more than 1 mm, and the diversion sheaves 40 are used for reducing the output power and the moment of the elevator tractor;

F. installation of diagonal member 50: first pull rod pull lugs 51 for mounting the diagonal pull rods 50 are arranged on the left and right end faces of the front and rear beams 32 of the bracket, second pull rod pull lugs 52 for mounting the diagonal pull rods 50 are arranged on the front and rear side faces of the upright post 10, one threaded end of each diagonal pull rod 50 is in threaded connection with the first pull rod pull lug 51, and the other end of each diagonal pull rod 50 is hinged to the second pull rod pull lug 52;

G. installation of the limiting beating plate 60: be equipped with the beater support 61 that is used for installing spacing beater 60 on the leading flank of stand 10, will spacing beater 60 is installed on beater support 61, spacing beater 60 and beater support 61 are bolted connection, spacing beater 60 is used for preventing the elevator from squatting at the bottom or dashing the top.

The two wedges of the safety gear 5 have the same clearance with the two sides of the guide rail 3, the first guide shoe 4 shoe bush has the same clearance with the two sides of the guide rail 3, and the second guide shoe 21 shoe bush has the same clearance with the two sides of the guide rail 3.

The safety gear 5 is installed on the lower beam 2, a safety gear lever in the safety gear 5 drives a speed limiter steel wire rope, a tension wheel keeps the friction force between the speed limiter steel wire rope and a speed limiter wheel, so that the rotating speed of the speed limiter wheel is consistent with the running speed of the car, when the running speed of the car is larger than or equal to 115% of the rated speed, the speed limiter acts, a rope braking block presses the speed limiter steel wire rope to stop the speed limiter steel wire rope, the safety gear lever is driven, the safety gear 5 acts to clamp the car on the guide rail 3, and casualties in the elevator caused by over-fast running of the elevator or breakage of a suspension rope are prevented.

The first guide shoes 4 on the lower beam 2 and the second guide shoes 21 on the upper beam 20 are sleeved on the rails 3, so that the car can move along the rails 3 during running, and the shaking of the car during up-and-down running is reduced.

The traction rope is wound around the diverting pulley 40, and a traction ratio exists between the traction pulley and the diverting pulley 40, thereby reducing the output power and the moment of the elevator traction machine.

The uppermost end and the lowermost end of the elevator shaft are respectively provided with a row of control switches for decelerating and controlling the elevator to stop, firstly touch a forced deceleration switch, then an upper limit switch or a lower limit switch and finally a limit switch according to the running direction of the elevator, the traction machine may reduce the running speed of the car when the limit striking plate 60 collides with the forced deceleration switch, when the limit beating plate 60 collides with the upper limit switch, the upward movement of the car is stopped but the downward movement of the car can be controlled, when the limit beating plate 60 collides with the lower limit switch, the downward movement of the car is stopped but the upward movement of the car can be controlled, but when the limit beating plate 60 collides with the limit switch, the elevator control circuit is cut off immediately, the car stops running, at this moment, the lift car cannot be controlled to move upwards or downwards, the lift car can only move away through external force, the lift can only move after the limit switch is reset, and the limiting beating plate 60 can prevent the lift from squatting at the bottom or rushing to the top during the operation.

As shown in fig. 6, a V-shaped opening 12 is formed in the upper end of the upright post 10, the V-shaped opening 12 is used for positioning the midpoint of the upright post 10 to determine the position of the second guide shoe 21, a U-shaped opening 13 is formed in the lower end of the upright post 10, and the U-shaped opening 13 is used for pulling the lower end of the upright post 10 left and right or compressing the lower end of the upright post 10 towards the U-shaped opening 13 according to the U-shaped opening 13 when the upright post 10 is installed, so that the upright post 10 can be installed more closely, the installation error of the bridge frame 1 is reduced, and the service life of the elevator is prolonged.