CN114873422A - Method for replacing guide rail in elevator track - Google Patents
Method for replacing guide rail in elevator track Download PDFInfo
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- CN114873422A CN114873422A CN202210433199.1A CN202210433199A CN114873422A CN 114873422 A CN114873422 A CN 114873422A CN 202210433199 A CN202210433199 A CN 202210433199A CN 114873422 A CN114873422 A CN 114873422A
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- Prior art keywords
- guide rail
- holes
- mounting
- shaped hollow
- fastening bolts
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- 238000000034 method Methods 0.000 title claims abstract description 35
- 230000000903 blocking effect Effects 0.000 claims description 23
- 238000009434 installation Methods 0.000 claims description 13
- 230000004888 barrier function Effects 0.000 claims description 3
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B19/00—Mining-hoist operation
- B66B19/002—Mining-hoist operation installing or exchanging guide rails
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/02—Guideways; Guides
- B66B7/023—Mounting means therefor
- B66B7/024—Lateral supports
Abstract
The invention discloses a method for replacing a guide rail in an elevator track, which comprises the following steps: 1) dismounting the fastening bolt at the lower end of the guide rail to be replaced; 2) detaching the fastening bolts on the upper row at the upper end of the lower guide rail, and loosening the fastening bolts on the lower row; 3) detaching the fastening bolt at the lower end of the upper guide rail; 4) dismounting a fastening bolt at the upper end of the guide rail to be replaced; 5) loosening the guide rail pressing block, taking out the guide rail to be replaced, dismounting the fastening bolt at the upper end of the new guide rail, taking down the connecting plate, and placing the lower cushion block into the upper port of the new guide rail; 6) clamping a new guide rail between the upper guide rail and the lower guide rail, inserting a fastening bolt into a guide sliding long hole in the lower row at the upper end of the new guide rail through a connecting plate, pre-tightening the fastening bolt in a corresponding lower mounting threaded hole on a lower cushion block, lifting the lower cushion block and the connecting plate through the fastening bolt, and then tightening the fastening bolts at the upper end of the new guide rail and the lower end of the upper guide rail; 7) and lifting a lower base plate and a corresponding connecting plate in the lower guide rail, and screwing fastening bolts at the upper end of the lower guide rail and the lower end of the new guide rail. The whole replacement process is very simple and convenient.
Description
Technical Field
The invention relates to an elevator track, in particular to a method for replacing a guide rail in an elevator track.
Background
Patent document No. CN206940157U, entitled T-shaped guide rail structure for elevator, discloses a T-shaped hollow guide rail. As is known, the elevator needs to be periodically maintained, guide rails with serious abrasion are replaced, in the process of replacing the guide rails, after fastening bolts are dismounted, the T-shaped hollow guide rail positioned below the T-shaped hollow guide rail to be dismounted and a lower cushion block in the newly-replaced T-shaped hollow guide rail need manual intervention to prevent the T-shaped hollow guide rail from falling off from an upper port of the T-shaped hollow guide rail, and once the lower cushion block slides to the bottom, the lower cushion block is difficult to lift, so that the difficulty and labor intensity of replacing the guide rails are greatly increased, and the dismounting efficiency is influenced.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the method for replacing the guide rail in the elevator track can prevent the lower cushion block from falling off from the upper port of the T-shaped hollow guide rail.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a method for replacing guide rails in an elevator track, on which the elevator track is based, comprises: a plurality of T-shaped hollow guide rails which are arranged up and down and connected end to end, and corresponding guide rail pressing blocks and guide rail brackets; be provided with T shape cavity in the hollow guide rail of T type, T type cavity includes: with the corresponding bottom cavity of installation bottom surface and with the corresponding upper portion cavity of track face, connection structure between the adjacent T type hollow guide rail includes: the upper T-shaped hollow guide rail is provided with an upper bearing plate at the lower port of a bottom cavity of the upper T-shaped hollow guide rail, the outer end of the upper bearing plate is provided with a bayonet, and the upper bearing plate is provided with upper mounting threaded holes which are in one-to-one correspondence with the upper mounting through holes; the hollow guide rail of T type of below is provided with the lower bolster with upper padding plate matched with in the up end department of its T type cavity, and this lower bolster includes: the fixture block extends upwards into the upper cavity of the T-shaped hollow guide rail, the bottom of the fixture block protrudes outwards and corresponds to the bayonet of the upper backing plate, and the lower backing plate is provided with lower mounting threaded holes which correspond to the lower mounting through holes one to one; the lower T-shaped hollow guide rail is provided with two rows of at least two lower mounting through holes on the mounting bottom surface along the length direction of the T-shaped hollow guide rail, wherein the lower mounting through holes in the lower row are guiding sliding long holes, at least one of the lower mounting through holes in the upper row is a round hole, and a protruding blocking part is arranged on the bottom wall of the bottom cavity of the lower T-shaped hollow guide rail and is positioned below the lower mounting through holes, so that the guiding sliding long holes are always aligned with corresponding lower mounting threaded holes in the lower cushion plate in the process of falling of the lower cushion plate until being blocked and placed on the protruding blocking part; the connecting plate is provided with mounting through holes which are in one-to-one correspondence with upper mounting through holes on the upper T-shaped hollow guide rail and lower mounting through holes on the lower T-shaped hollow guide rail, the mounting through holes face to upper mounting threaded holes on the upper backing plate, fastening bolts are selected to penetrate through the corresponding mounting through holes on the connecting plate and the upper mounting through holes on the upper T-shaped hollow guide rail, the fastening bolts are screwed into the upper mounting threaded holes on the upper backing plate and face to lower mounting threaded holes on the lower backing plate, the fastening bolts are selected to penetrate through the corresponding mounting through holes on the connecting plate and the lower mounting through holes on the lower T-shaped hollow guide rail and are screwed into the lower mounting threaded holes of the lower backing plate, and the clamping blocks are clamped in bayonets of the upper backing plate; the method for replacing the guide rail in the elevator track comprises the following specific steps:
1) dismounting the T-shaped hollow guide rail to be replaced, namely replacing all fastening bolts at the lower end of the guide rail, so that the T-shaped hollow guide rail to be replaced is separated from the corresponding connecting plate;
2) the T-shaped hollow guide rail below the guide rail, namely the upper row of fastening bolts at the upper end of the lower guide rail, is dismounted, the lower row of fastening bolts is loosened, the lower cushion block in the lower guide rail falls down and leans against the raised blocking part, and at the moment, the lower cushion block in the lower guide rail retracts into the lower guide rail;
3) two rows of fastening bolts at the lower end of the upper guide rail, namely the T-shaped hollow guide rail above the guide rail to be replaced, are dismounted, so that the upper guide rail is separated from the corresponding connecting plate;
4) two rows of fastening bolts at the upper end of the guide rail to be replaced are dismounted, so that the guide rail to be replaced is separated from the corresponding connecting plate;
5) loosening a guide rail pressing block on the guide rail to be replaced, taking out the guide rail to be replaced, and then putting a lower cushion block into a new T-shaped hollow guide rail, namely the upper port of the T-shaped cavity of the new guide rail, so that the lower cushion block slides and leans against the raised blocking part;
6) clamping a new guide rail between an upper guide rail and a lower guide rail, placing an upper connecting plate at the joint of the upper guide rail and the new guide rail, selecting a fastening bolt to penetrate through the connecting plate to be inserted into a lower row of guide sliding long holes at the upper end of the new guide rail and to be pre-tightened in a corresponding lower mounting threaded hole on a lower cushion block, lifting the lower cushion block and the connecting plate through the fastening bolt to clamp a clamping block on the lower cushion block in a clamping opening of an upper cushion plate in the upper guide rail, then, screwing all fastening bolts at the upper end of the new guide rail, and then screwing all fastening bolts at the lower end of the upper guide rail to fix the new guide rail and the upper guide rail together;
7) lifting a lower cushion block and a corresponding connecting plate in the lower guide rail to enable a clamping block on the lower cushion block to be clamped into a clamping opening of an upper cushion plate in the new guide rail, then screwing all fastening bolts at the upper end of the lower guide rail, and then screwing all fastening bolts at the lower end of the new guide rail to enable the new guide rail and the lower guide rail to be fixed together;
8) and screwing down the guide rail pressing block on the new guide rail to fix the new guide rail on the corresponding guide rail bracket.
Preferably, in the method for replacing the guide rail in the elevator track, two sides of the connecting plate are respectively provided with a folded edge matched with the side surface, adjacent to the mounting bottom surface, of the T-shaped hollow guide rail.
Preferably, in the method for replacing the guide rail in the elevator track, at least two of the two rows of mounting through holes are obliquely arranged.
Preferably, in the method for replacing the guide rail in the elevator track, at least two of the two rows of lower mounting through holes are obliquely arranged.
As a preferable scheme, in the method for replacing the guide rail in the elevator track, the fixture block is specifically installed in the following manner: the outer end of the lower backing plate is provided with an installation notch matched with the fixture block, and the bottom of the fixture block is clamped in the installation notch of the lower backing plate.
Preferably, in the method for replacing a guide rail in an elevator track, the latch is integrally protruded outward.
Preferably, in the method for replacing the guide rail in the elevator track, the upper backing plate is fixed in a lower port of a bottom cavity of the upper T-shaped hollow guide rail in a riveting mode.
Preferably, in the method for replacing a guide rail in an elevator track, the raised barrier is a stamped projection, a shutter or a screw.
The invention has the beneficial effects that: the bottom wall of the upper port of the bottom cavity of the T-shaped hollow guide rail is provided with the raised blocking part, and the lower cushion block which stretches into the upper cavity of the T-shaped hollow guide rail is arranged on the lower cushion block to form the lower cushion block with heavy head and light foot, so that the bottom end of the lower cushion block slides tightly against the bottom wall of the bottom cavity of the T-shaped hollow guide rail under the action of gravity in the falling process of the lower cushion block, and the lower cushion block can be conveniently lifted, connected with the upper cushion block and fixed on the connecting plate. In addition, the guide sliding long holes are always aligned to corresponding lower mounting threaded holes in the lower cushion plate in the process of falling of the lower cushion plate until being blocked and placed on the protruding blocking parts, so that the mounting of the fastening bolts is facilitated, and the lifting of the clamping cushion block is further facilitated. In addition, the upper row of upper mounting through holes and the lower row of upper mounting through holes are arranged on the upper T-shaped hollow guide rail along the length direction of the T-shaped hollow guide rail, at least two mounting through holes are arranged in an inclined manner, and the lower row of upper mounting through holes and the lower row of lower mounting through holes are arranged on the lower T-shaped hollow guide rail along the length direction of the T-shaped hollow guide rail, at least two mounting through holes are arranged in an inclined manner, so that the stress is more uniform and the connection is more stable during mounting. The raised blocking part arranged on the bottom wall of the bottom cavity of the T-shaped hollow guide rail is matched with the clamping block on the lower cushion block, so that the lower cushion block is ensured to slide along the bottom wall of the bottom cavity of the T-shaped hollow guide rail, and the lower cushion block is ensured to finally lean against the raised blocking part.
Drawings
Fig. 1 presents an exploded view of the connection structure of guide rails in the elevator track according to the invention.
The reference numerals in fig. 1 are respectively: 1. the guide rail comprises an upper guide rail body, 2 guide rails to be replaced, 3 a lower guide rail body, 4 an upper base plate body, 5 a lower cushion block body, 50 a lower base plate body, 51 a clamping block, 6 an upper base plate body, 7 a lower cushion block body, 8 a protruding blocking portion, 9 a protruding blocking portion, 10 a circular lower mounting through hole, 11 a circular lower mounting through hole, 12 a guiding sliding long hole, 13 a guiding sliding long hole, 14 a circular upper mounting through hole, 15 a circular upper mounting through hole, 16 an upper connecting plate, 17 a lower connecting plate, 18 an upper guide rail pressing block, 19 an intermediate guide rail pressing block, 20 a lower guide rail pressing block, 21 an upper guide rail support, 22 an intermediate guide rail support, 23 a lower guide rail support, 24 a fastening bolt, 25 a fastening bolt, 26 a fastening bolt, 27 a fastening bolt, 28 a fastening bolt, 29 and a fastening bolt.
Detailed Description
An embodiment of the method for replacing a guide rail in an elevator track according to the present invention will be described in detail with reference to fig. 1.
The invention relates to a method for replacing a guide rail in an elevator track, as shown in figure 1, the elevator track based on the method comprises the following steps: the guide rail comprises an upper guide rail 1, a plurality of T-shaped hollow guide rails which are arranged up and down and connected end to end, a plurality of guide rail pressing blocks which comprise an upper guide rail pressing block 18, a middle guide rail pressing block 19 and a lower guide rail pressing block 20, and a plurality of guide rail brackets which comprise an upper guide rail bracket 21, a middle guide rail bracket 22 and a lower guide rail bracket 23; the T-shaped hollow guide rail (including the upper guide rail 1, the guide rail 2 to be replaced and the lower guide rail 3) is internally provided with a T-shaped cavity, and the T-shaped cavity comprises: a bottom cavity corresponding to the bottom surface of the installation and an upper cavity corresponding to the track surface, taking the guide rail 2 and the upper guide rail 1 which need to be replaced in fig. 1 as an example, the connecting structure between the adjacent T-shaped hollow guide rails comprises: an upper connecting plate 16, wherein an upper row and a lower row of four circular upper mounting via holes 14 are formed in the mounting bottom surface of the lower end of the upper guide rail 1 along the length direction of the upper guide rail 1 (an upper row and a lower row of four circular upper mounting via holes 15 are formed in the mounting bottom surface of the lower end of the guide rail 2 along the length direction of the guide rail 2 to be replaced, and an upper row and a lower row of four circular upper mounting via holes are formed in the mounting bottom surface of the lower end of the lower guide rail 3 along the length direction of the lower guide rail 3); in the upper and lower rows of circular upper mounting through holes 14, the corresponding circular upper mounting through holes 14 are arranged diagonally (diagonally); the lower port department of top rail 1 cavity in its bottom is provided with upper padding plate 4, and the bayonet socket has been seted up to the outer end of upper padding plate 4, on upper padding plate 4 seted up with circular last installation screw hole of 14 one-to-ones of installation via holes, the need trade guide rail 2 be provided with upper padding plate 4 matched with lower bolster 5 in the upper port department of its T type cavity, this concrete structure of lower bolster 5 includes: the lower backing plate 50 is positioned in the bottom cavity of the guide rail 2 to be replaced, and the fixture block 51 is vertically connected with the lower backing plate 50, and the installation mode of the fixture block 51 is as follows: the outer end of the lower backing plate 50 is provided with an installation notch matched with the fixture block 51, and the bottom of the fixture block 51 is clamped in the installation notch of the lower backing plate 50; the fixture block 51 extends upwards into the upper cavity of the guide rail 2 to be replaced, the whole fixture block 51 protrudes outwards, and the protruding bottom of the fixture block corresponds to the bayonet of the upper backing plate 4; the lower backing plate 50 is provided with lower mounting threaded holes corresponding to the lower mounting through holes one to one; the guide rail 2 to be replaced is provided with an upper row of upper mounting through holes and a lower row of four lower mounting through holes in each row along the length direction of the guide rail 2 to be replaced on the mounting bottom surface at the upper end of the guide rail 2, the lower mounting through holes in the two rows are obliquely arranged (diagonally arranged) in pairs, wherein the two lower mounting through holes at the lower row are guiding sliding long holes 12, the two lower mounting through holes at the upper row are circular lower mounting through holes 10, a raised blocking part 8 is arranged below all the lower mounting through holes (equivalent to the two guiding sliding long holes 12) on the bottom wall of the cavity at the bottom of the guide rail 2 to be replaced, so that the guiding sliding long holes 12 are always aligned with corresponding lower mounting threaded holes on the lower cushion plate 50 in the process of falling of the lower cushion block 5 and being blocked to be placed on the raised blocking part 8, and the upper connecting plate 16 is provided with four circular upper mounting through holes 14 on the upper guide rail 1, Two circular lower mounting through holes 10 and two circular mounting through holes 12 corresponding to the guide sliding long holes 12 on the guide rail 2 are required to be replaced, opposite to the upper mounting threaded hole on the upper backing plate 4, a fastening bolt 24 is selected to pass through a corresponding circular mounting through hole on the upper connecting plate 16 and the circular upper mounting through hole 14 of the upper guide rail 1, and is screwed in the upper mounting threaded hole on the upper backing plate 4, facing to the upper row of lower mounting threaded holes on the lower backing plate 5, the fastening bolts 26 are selected to pass through the corresponding round mounting through holes on the upper connecting plate 16 and the round lower mounting through holes 10 on the guide rail 2 to be replaced, and are screwed in the corresponding lower mounting threaded holes of the lower backing plate 5, opposite to a lower row of threaded holes on the lower backing plate 50, a fastening bolt 27 is selected to pass through a corresponding round mounting through hole on the upper connecting plate 16 and a guide sliding long hole 12 on the guide rail 2 to be replaced, and is screwed in the corresponding threaded hole on the lower backing plate 50; so that the fixture block 51 is clamped in the bayonet of the upper backing plate 4; the method for replacing the guide rail in the elevator track is described by taking the guide rail 1, the guide rail 2 to be replaced and the lower guide rail 3 as examples, and the method comprises the following specific steps:
1) all four fastening bolts 25 at the lower end of the guide rail 2 to be replaced are dismounted, so that the four fastening bolts are separated from the corresponding lower connecting plate 17;
2) removing the two fastening bolts 28 on the upper row at the upper end of the lower guide rail 3, loosening the two fastening bolts 29 on the lower row, and allowing the lower pad 7 in the lower guide rail 3 to fall and lean against the raised barrier portion 9, wherein the lower pad 7 in the lower guide rail 3 retracts into the lower guide rail 3;
3) removing all four fastening bolts 24 in the two rows at the lower end of the upper guide rail 1 to separate the upper guide rail 1 from the upper connecting plate 16;
4) removing the two fastening bolts 26 at the upper row and the two fastening bolts 27 at the lower row at the upper end of the guide rail 2 to be replaced; so that the guide rail 2 to be replaced is separated from the upper connecting plate 16;
5) loosening a middle guide rail pressing block 19 on the guide rail 2 to be replaced, taking out the guide rail 2 to be replaced, and then putting a lower cushion block (the lower cushion block 5 which is replaced can be new) into a new T-shaped hollow guide rail, namely the upper port of a T-shaped cavity of the new guide rail, so that the lower cushion block 5 slides down and leans against a convex blocking part (see the convex blocking part 8 in the bottom cavity of the guide rail 2 to be replaced) in the bottom cavity of the new guide rail;
6) clamping a new guide rail between an upper guide rail 1 and a lower guide rail 3, placing an upper connecting plate (the upper connecting plate 16 which can be replaced can also be new) at the joint of the upper guide rail 1 and the new guide rail 2, selecting a fastening bolt 27 to pass through a corresponding circular mounting through hole on the upper connecting plate 16, a guide sliding long hole (see a guide sliding long hole 12 on the guide rail 2 which needs to be replaced) in the lower row at the upper end of the new guide rail, and pre-tightening the fastening bolt 27 in a corresponding lower mounting threaded hole on a lower cushion block 5, lifting the lower cushion block 5 and the upper connecting plate 16 through the fastening bolt 27 to clamp a clamping block 51 on the lower cushion block 5 in a clamping opening of an upper cushion plate 4 in the upper guide rail 1, then tightening all fastening bolts 26 and 27 at the upper end of the new guide rail, and tightening all fastening bolts 24 at the lower end of the upper guide rail 1 to fix the new guide rail and the upper guide rail 1 together;
7) lifting the lower cushion block 7 in the lower guide rail 3 and the corresponding lower connecting plate 17 through the fastening bolts 29 in the guide sliding long holes 13 on the lower guide rail 3, so that the clamping blocks on the lower cushion block 7 are clamped into the clamping holes of the upper cushion block 6 in the new guide rail, then, penetrating the fastening bolts 28 through the corresponding circular mounting through holes on the lower connecting plate 17 and the circular lower mounting through holes 11 on the lower guide rail 3, screwing the fastening bolts 29 into the corresponding lower mounting threaded holes on the lower cushion block 7, and then screwing all the fastening bolts 25 at the lower end of the new guide rail, so that the new guide rail and the lower guide rail 3 are fixed together;
8) the intermediate guide rail press block 19 is screwed down to fix the new guide rail on the intermediate guide rail bracket 22.
In practical application, the upper backing plate 4 is riveted in the lower port of the bottom cavity of the upper guide rail 1, the upper backing plate 6 is riveted in the lower port of the bottom cavity of the guide rail 2 to be replaced, and the upper backing plate (see the backing plates 4 and 6 in the structure) is also riveted in the lower port of the bottom cavity of the new guide rail; two sides of the upper and lower connecting plates 16 and 17 are provided with folded edges matched with the T-shaped hollow guide rails (see the upper guide rail 1, the guide rail 2 to be replaced and the lower guide rail 3) so as to ensure the straightness of the two spliced T-shaped hollow guide rails; the raised blocking part on the upper guide rail 1, the raised blocking part 9 on the lower guide rail 3, the raised blocking part 8 of the guide rail 2 to be replaced and the raised blocking part on the new guide rail can be raised blocks formed by stamping and can also be shutter type blocking pieces or screws.
In summary, the present invention is only a preferred embodiment, and not intended to limit the scope of the invention, and all equivalent changes and modifications made in the shape, structure, characteristics and spirit of the present invention described in the claims should be included in the scope of the present invention.
Claims (8)
1. A method for replacing a guide rail in an elevator track, based on which the elevator track comprises: a plurality of T-shaped hollow guide rails which are arranged up and down and connected end to end, and corresponding guide rail pressing blocks and guide rail brackets; be provided with T shape cavity in the hollow guide rail of T type, T type cavity includes: the bottom cavity corresponding with the installation bottom surface and the upper portion cavity corresponding with the track face, the connection structure between the adjacent T type hollow guide rail includes: the upper T-shaped hollow guide rail is provided with an upper bearing plate at the lower port of a bottom cavity of the upper T-shaped hollow guide rail, the outer end of the upper bearing plate is provided with a bayonet, and the upper bearing plate is provided with upper mounting threaded holes which are in one-to-one correspondence with the upper mounting through holes; the hollow guide rail of T type of below is provided with the lower bolster with upper padding plate matched with in the up end department of its T type cavity, and this lower bolster includes: the fixture block extends upwards into the upper cavity of the T-shaped hollow guide rail, the bottom of the fixture block protrudes outwards and corresponds to the bayonet of the upper backing plate, and the lower backing plate is provided with lower mounting threaded holes which correspond to the lower mounting through holes one to one; the lower T-shaped hollow guide rail is provided with two rows of at least two lower mounting through holes on the mounting bottom surface along the length direction of the T-shaped hollow guide rail, wherein the lower mounting through holes in the lower row are guiding sliding long holes, at least one of the lower mounting through holes in the upper row is a round hole, and a protruding blocking part is arranged on the bottom wall of the bottom cavity of the lower T-shaped hollow guide rail and is positioned below the lower mounting through holes, so that the guiding sliding long holes are always aligned with corresponding lower mounting threaded holes in the lower cushion plate in the process of falling of the lower cushion plate until being blocked and placed on the protruding blocking part; the connecting plate is provided with mounting through holes which are in one-to-one correspondence with upper mounting through holes on the upper T-shaped hollow guide rail and lower mounting through holes on the lower T-shaped hollow guide rail, the mounting through holes face to upper mounting threaded holes on the upper backing plate, fastening bolts are selected to penetrate through the corresponding mounting through holes on the connecting plate and the upper mounting through holes on the upper T-shaped hollow guide rail, the fastening bolts are screwed into the upper mounting threaded holes on the upper backing plate and face to lower mounting threaded holes on the lower backing plate, the fastening bolts are selected to penetrate through the corresponding mounting through holes on the connecting plate and the lower mounting through holes on the lower T-shaped hollow guide rail and are screwed into the lower mounting threaded holes of the lower backing plate, and the clamping blocks are clamped in bayonets of the upper backing plate; the method for replacing the guide rail in the elevator track comprises the following specific steps:
1) dismounting the T-shaped hollow guide rail to be replaced, namely replacing all fastening bolts at the lower end of the guide rail, so that the T-shaped hollow guide rail to be replaced is separated from the corresponding connecting plate;
2) the T-shaped hollow guide rail below the guide rail, namely the upper row of fastening bolts at the upper end of the lower guide rail, is dismounted, the lower row of fastening bolts is loosened, the lower cushion block in the lower guide rail falls down and leans against the raised blocking part, and at the moment, the lower cushion block in the lower guide rail retracts into the lower guide rail;
3) two rows of fastening bolts at the lower end of the upper guide rail, namely the T-shaped hollow guide rail above the guide rail to be replaced, are dismounted, so that the upper guide rail is separated from the corresponding connecting plate;
4) two rows of fastening bolts at the upper end of the guide rail to be replaced are dismounted, so that the guide rail to be replaced is separated from the corresponding connecting plate;
5) loosening a guide rail pressing block on the guide rail to be replaced, taking out the guide rail to be replaced, and then putting a lower cushion block into a new T-shaped hollow guide rail, namely the upper port of the T-shaped cavity of the new guide rail, so that the lower cushion block slides and leans against the raised blocking part;
6) clamping a new guide rail between an upper guide rail and a lower guide rail, placing an upper connecting plate at the joint of the upper guide rail and the new guide rail, selecting a fastening bolt to penetrate through the connecting plate to be inserted into a lower row of guide sliding long holes at the upper end of the new guide rail and to be pre-tightened in a corresponding lower mounting threaded hole on a lower cushion block, lifting the lower cushion block and the connecting plate through the fastening bolt to clamp a clamping block on the lower cushion block in a clamping opening of an upper cushion plate in the upper guide rail, then, screwing all fastening bolts at the upper end of the new guide rail, and then screwing all fastening bolts at the lower end of the upper guide rail to fix the new guide rail and the upper guide rail together;
7) lifting a lower cushion block and a corresponding connecting plate in the lower guide rail to enable a clamping block on the lower cushion block to be clamped into a clamping opening of an upper cushion plate in the new guide rail, then screwing all fastening bolts at the upper end of the lower guide rail, and then screwing all fastening bolts at the lower end of the new guide rail to enable the new guide rail and the lower guide rail to be fixed together;
8) and screwing down the guide rail pressing block on the new guide rail to fix the new guide rail on the corresponding guide rail bracket.
2. The method for replacing a guide rail in an elevator track according to claim 1, wherein the connecting plate is further provided at both sides thereof with flanges respectively fitted to side surfaces of the T-shaped hollow guide rail adjacent to the installation bottom surface.
3. The method of claim 1, wherein at least two of the two rows of mounting holes are diagonally oriented.
4. The method of claim 1, wherein at least two of the two rows of lower mounting holes are diagonally arranged.
5. The method for replacing a guide rail in an elevator track according to claim 1, wherein the fixture block is specifically installed in a manner that: the outer end of the lower backing plate is provided with an installation notch matched with the fixture block, and the bottom of the fixture block is clamped in the installation notch of the lower backing plate.
6. The method for replacing a guide rail in an elevator track according to claim 1, wherein the engaging piece is integrally protruded outward.
7. The method for replacing a guide rail in an elevator track according to claim 1, wherein the upper plate is fixed to a lower end of a bottom cavity of the upper T-shaped hollow guide rail by riveting.
8. The method for replacing a guide rail in an elevator track according to any one of claims 1 to 7, wherein the raised barrier is a stamped projection, a shutter, or a screw.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210433199.1A CN114873422B (en) | 2022-04-24 | 2022-04-24 | Method for replacing guide rail in elevator track |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210433199.1A CN114873422B (en) | 2022-04-24 | 2022-04-24 | Method for replacing guide rail in elevator track |
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| CN114873422B CN114873422B (en) | 2024-04-16 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012188175A (en) * | 2011-03-08 | 2012-10-04 | Toshiba Elevator Co Ltd | Connection structure of elevator guide rail |
| JP2014005124A (en) * | 2012-06-26 | 2014-01-16 | Mitsubishi Electric Corp | Elevator rail bracket and guide rail fixing method by the same |
| CN107399657A (en) * | 2017-08-25 | 2017-11-28 | 张家港市通达电梯装璜有限公司 | A kind of hollow cage guide and the mounting structure for connecing guiding element |
| CN113481878A (en) * | 2021-07-24 | 2021-10-08 | 中国建筑第五工程局有限公司 | Prevent falling thing and hang external device of basket safety protection |
| JPWO2022079754A1 (en) * | 2020-10-12 | 2022-04-21 |
-
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- 2022-04-24 CN CN202210433199.1A patent/CN114873422B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012188175A (en) * | 2011-03-08 | 2012-10-04 | Toshiba Elevator Co Ltd | Connection structure of elevator guide rail |
| JP2014005124A (en) * | 2012-06-26 | 2014-01-16 | Mitsubishi Electric Corp | Elevator rail bracket and guide rail fixing method by the same |
| CN107399657A (en) * | 2017-08-25 | 2017-11-28 | 张家港市通达电梯装璜有限公司 | A kind of hollow cage guide and the mounting structure for connecing guiding element |
| JPWO2022079754A1 (en) * | 2020-10-12 | 2022-04-21 | ||
| CN113481878A (en) * | 2021-07-24 | 2021-10-08 | 中国建筑第五工程局有限公司 | Prevent falling thing and hang external device of basket safety protection |
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| CN114873422B (en) | 2024-04-16 |
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