CN109355984B - Subway prefabricated turnout plate rotating plate translation device and application method thereof - Google Patents
Subway prefabricated turnout plate rotating plate translation device and application method thereof Download PDFInfo
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- CN109355984B CN109355984B CN201811511907.9A CN201811511907A CN109355984B CN 109355984 B CN109355984 B CN 109355984B CN 201811511907 A CN201811511907 A CN 201811511907A CN 109355984 B CN109355984 B CN 109355984B
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
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Abstract
The invention discloses a rotary plate translation device of a prefabricated turnout plate of a subway and a use method thereof, and the rotary plate translation device comprises a small track trolley wheel pair, a lower layer structure channel steel framework, square steel plates and an upper layer structure channel steel framework, wherein the small track trolley wheel pair is formed by two identical groups and is placed on two parallel steel rails, the lower layer structure channel steel framework is positioned above the small track trolley wheel pair and is connected with the small track trolley wheel pair, the square steel plates are fixedly connected onto the lower layer structure channel steel framework, the upper layer structure channel steel framework is connected onto the square steel plates through a plurality of bearing groups, and a pavement wood plate layer is placed above the upper layer structure channel steel framework. By adopting the scheme of the invention, the turning plate and the accurate translation of the position before the laying of the prefabricated turnout plate can be conveniently and rapidly realized, and the laying efficiency is improved; the existing construction mechanical equipment can be fully utilized, and the special or modified subway rail-laying gantry crane is not needed to carry out hoisting operation; the device is safe and simple to operate, has lower processing and manufacturing cost and achieves good use effect.
Description
Technical Field
The invention relates to a subway prefabricated turnout plate, in particular to a subway prefabricated turnout plate rotating plate translation device and a using method thereof, and belongs to the technical field of subway rail laying construction.
Background
According to the whole track bed turnout of the domestic urban subway track engineering, the turnout track bed adopts the structural design form of a prefabricated turnout slab track, the common 60 kg/M9 single turnout whole track bed adopts 9 prefabricated turnout slabs (M1-M9) to be spliced and paved on site, and the maximum side length of the overall dimension of the turnout slabs M6-M9 along the line direction exceeds 3.2M due to the influence of the gradual increase of the size width of the turnout track bed, wherein the maximum side length of the M9 slab is about 4.2M. When the prefabricated turnout plate material is transported on site, the 4 turnout plates are influenced by the limit of the subway tunnel structure, and the requirement of the clearance size of transportation in a tunnel and the hoisting operation of the subway track laying gantry crane can be met only by rotating the 4 turnout plates by about 90 degrees according to the laying direction. When the prefabricated turnout plates are paved, the requirement of paving can be met only by rotating the turnout plates by about 90 degrees, but the working clearance size of the existing subway paving mechanical equipment cannot meet the paving requirements of turnout plates M6-M9 paving places and hoisting and translation paving, so that how to smoothly finish turning of the turnout plates M6-M9 and accurately transport the turnout plates to paving positions becomes a difficult problem to be solved urgently in turnout plate paving construction.
Disclosure of Invention
The invention aims to solve the technical problems that: the invention provides a turning plate translation device for a subway prefabricated turnout plate, which can conveniently realize turning plate and accurate translation construction before the subway prefabricated turnout plate is paved by paving temporary track lines after the turnout and installing a small winch for dragging.
The technical scheme of the invention is as follows: the utility model provides a prefabricated switch board of subway changes board translation device, it includes track dolly wheel pair, lower floor structure channel-section steel skeleton, square steel sheet and superstructure channel-section steel skeleton, track dolly wheel pair constitutes and places on two parallel rails for two same groups, and lower floor structure channel-section steel skeleton is located the top of track dolly wheel pair and is connected with track dolly wheel pair, fixedly connected with square steel sheet on the floor structure channel-section steel skeleton, is connected with superstructure channel-section steel skeleton through a plurality of bearing groups on square steel sheet, has placed the shop floor veneer layer in the top of superstructure channel-section steel skeleton.
The lower layer structure channel steel framework is formed by fixedly connecting six channel steel which are intersected vertically and horizontally, six bearing seats are fixedly connected below the channel steel, and connecting shafts of small track flat wheel pairs penetrate through bearings in the bearing seats to be connected.
And a limiting rotating central shaft is fixedly connected above the middle of the square steel plate.
The upper layer structure channel steel framework is formed by fixedly connecting six channel steel which are intersected vertically and horizontally, and a rotating center shaft sleeve matched with a limiting rotating center shaft is fixedly connected below the middle of the channel steel.
The bearing group comprises a rolling bearing, a shaft and a bearing support, wherein the shaft is connected in the middle of the rolling bearing, two ends of the shaft are connected to the bottom end of the bearing support, and the top end of the bearing support is fixedly connected to the bottom of the channel steel framework of the superstructure.
The shafts are positioned on the same circumference, and the axes of the shafts all point to the center of the limiting rotation central shaft.
The pavement wood board layer comprises a plurality of wood boards and angle steel, wherein the wood boards are arranged side by side, and the angle steel is riveted on two end faces of the wood boards.
The U-shaped steel structure is characterized in that the U-shaped steel end parts of the lower layer structure U-shaped steel framework and the upper layer structure U-shaped steel framework are fixedly connected with lifting lugs, the opening ends of the lifting lugs are fixedly connected in grooves of the U-shaped steel, the closed ends of the lifting lugs extend out of the U-shaped steel end parts, and T-shaped locating pins are inserted in the upper and lower lifting lugs.
And a plurality of rotating handles are fixedly connected to the channel steel at the outer side of the bottom of the channel steel framework of the superstructure.
The application method of the subway prefabricated turnout plate rotating plate translation device comprises the following steps:
1. after the subway rail-laying gantry crane is adopted to finish the laying of the turnout plates M1-M5, a prefabricated turnout plate turning translation device is firstly erected from the starting point of the plate M6 to temporarily run;
2. after the temporary travelling line is paved, the device is hoisted onto the temporary travelling line by using a subway track laying gantry crane, a wheel stopper is limited on the travelling line, and meanwhile, a T-shaped locating pin is inserted into lifting lugs arranged on channel steel frameworks of the upper layer and the lower layer of the structure, so that the upper layer and the lower layer of the structure plate of the railway flatcar are fixed;
3. when the turnout plates M6-M9 are constructed, the turnout plates are turned and translated for paving in sequence of M6-M7-M8-M9, namely: firstly, hanging a turnout plate M6 on the device according to the invention by utilizing a subway track laying door crane, installing small winches at proper distance positions at two ends of the device along the line direction, installing winch steel wire ropes on a rotating handle according to the invention, loosening T-shaped locating pins of an upper structure and a lower structure of the device, simultaneously starting 2 winches, completing the in-situ rotation of the turnout plate by 90 degrees, then inserting the T-shaped locating pins into lifting lugs at the upper layer and the lower layer, locking the winch at the side of the turnout direction after locking the upper layer and the lower layer of the prefabricated turnout plate, pulling the prefabricated turnout plate, translating the prefabricated turnout plate with the M6 plate to a paving position, fixing the prefabricated turnout plate, supporting the turnout plate translation device by using 4 claw jacks at the side of the M6 plate, loosening the prefabricated turnout plate translation device to the starting point position of the turnout plate, completing the coarse paving of the turnout plate by adopting claw jack lifting, installing a fine adjustment claw for the fine adjustment position, and completing the accurate paving of the turnout plate by CP III track foundation measurement control network measurement and adjustment;
4. and D, after the rotating plates M7-M9 and the translation are repeatedly completed and positioned according to the method of the step three, removing the rotating plate translation device of the prefabricated turnout plate, removing the small winch and the temporary running line of the rotating plate translation device of the prefabricated turnout plate, and completing the installation and positioning of the turnout plate through the lifting of the claw jack.
The beneficial effects of the invention are as follows: compared with the prior art, the device structure design scheme provided by the invention can conveniently and rapidly realize the accurate translation of the rotating plate and the position before the paving of the prefabricated turnout plates M6-M9, thereby improving the paving effect; the existing construction mechanical equipment can be fully utilized, and the special or modified subway rail-laying gantry crane is not needed to carry out hoisting operation; the device is safe and simple to operate, and has lower processing and manufacturing cost. The invention can conveniently realize the turning plate and accurate translation construction before the pavement of the prefabricated turnout plate of the subway by paving the temporary track line after the turnout and installing the small winch for dragging, and has the characteristics of simple structure and safe and rapid operation and use.
Drawings
FIG. 1 is a schematic exploded view of the structure of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a cross-sectional view of the invention A-A;
FIG. 4 is a cross-sectional view of the invention B-B;
FIG. 5 is a schematic view of the installation rotation of the present invention;
FIG. 6 is a schematic view of the installation movement of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings of the present specification.
Example 1: as shown in fig. 1-4, the rotary plate translation device for the prefabricated turnout plate of the subway comprises a small track flat wheel pair 1, a lower layer structure channel steel framework 2, square steel plates 3 and an upper layer structure channel steel framework 5, wherein the small track flat wheel pair 1 is formed by two identical groups and is placed on two parallel steel rails 17, the lower layer structure channel steel framework 2 is positioned above the small track flat wheel pair 1 and is connected with the small track flat wheel pair 1, the square steel plates 3 are fixedly connected to the lower layer structure channel steel framework 2, the upper layer structure channel steel framework 5 is connected to the square steel plates 3 through a plurality of bearing groups 7, and a pavement wood plate layer 9 is placed above the upper layer structure channel steel framework 5.
Further, the lower layer structure channel steel framework 2 is formed by fixedly connecting six channel steel which are intersected vertically and horizontally, six bearing seats 15 are fixedly connected below the channel steel, and a connecting shaft 16 of the small track flat wheel pair 1 penetrates through bearings in the bearing seats 15 to be connected.
Further, a limiting rotation center shaft 4 is fixedly connected to the upper middle of the square steel plate 3.
Further, the upper layer structure channel steel framework 5 is formed by fixedly connecting six channel steel which are vertically and horizontally intersected with each other, and a rotating center shaft sleeve 6 matched with the limiting rotating center shaft 4 is fixedly connected below the middle of the channel steel.
Further, the bearing group 7 comprises a rolling bearing 13, a shaft 18 and a bearing support 14, the shaft 18 is connected to the middle of the rolling bearing 13, two ends of the shaft 18 are connected to the bottom end of the bearing support 14, and the top end of the bearing support 14 is fixedly connected to the bottom of the channel steel of the upper-layer structure channel steel framework 5.
Further, the shafts 18 are located on the same circumference, and the axes of the shafts 18 are all directed to the center of the limit rotation center shaft 4.
Further, the pavement wood sheet layer 9 comprises a plurality of wood boards 12 and angle steels 11, wherein the wood boards 12 are arranged side by side, and the angle steels 11 are riveted on two end faces of the wood boards 12.
Further, the channel steel end parts of the channel steel framework 2 of the lower layer structure and the channel steel framework 5 of the upper layer structure are fixedly connected with lifting lugs 10, the lifting lugs 10 are of U-shaped structures, the opening ends of the lifting lugs 10 are fixedly connected in grooves of the channel steel, the closed ends of the lifting lugs 10 extend out of the channel steel end parts, and T-shaped positioning pins 19 are inserted into the upper and lower lifting lugs 10.
Further, a plurality of rotating handles 8 are fixedly connected to the channel steel on the outer side of the bottom of the channel steel framework 5 of the superstructure.
The application method of the subway prefabricated turnout plate rotating plate translation device comprises the following steps:
1. after the subway rail-laying gantry crane is adopted to finish the laying of the turnout plates M1-M5, a prefabricated turnout plate turning translation device is firstly erected from the starting point of the plate M6 to temporarily run;
2. after the temporary travelling line is paved, the device is hoisted onto the temporary travelling line by using a subway track laying gantry crane, a wheel stopper is limited on the travelling line, and meanwhile, a T-shaped positioning pin 19 is inserted into a lifting lug 10 arranged on a channel steel framework of an upper layer structure and a lower layer structure to fix the upper layer structure plate and the lower layer structure plate of the railway flatcar;
3. as shown in fig. 5 and 6, when the switch boards M6 to M9 are constructed, the switch boards are turned and horizontally laid in the order of m6→m7→m8→m9, namely: firstly, a turnout plate M6 is hoisted and placed on a device of the invention by utilizing a subway track laying door crane, a small winch is arranged at a proper distance position at two ends of the device along a line direction, a winch steel wire rope is arranged on a rotating handle 8 of the invention, T-shaped positioning pins 19 with upper and lower structures are loosened, 2 winches are started simultaneously, the turnout plate is rotated by 90 degrees in situ, T-shaped positioning pins 19 are inserted into lifting lugs 10 on upper and lower layers, after the upper and lower structures of the prefabricated turnout plate rotating plate translating device are locked, the winches at the side of the turnout direction are started, the prefabricated turnout plate rotating plate translating device is pulled to move to a laying position with an M6 plate horizontally, a wheel stopper is used for fixing the prefabricated turnout plate rotating plate translating device, meanwhile, 4 claw jacks are used for jacking the turnout plate and supporting pads on the side face of the M6 plate, the prefabricated turnout plate rotating plate translating device is loosened to the starting point position of the turnout plate, the claw jacks are adopted for lifting and finishing rough laying of the turnout plate, then a fine adjusting claw for fine adjusting position is installed, a net is used for measuring and controlling net through a III track foundation, and fine adjusting and finishing accurate laying of the turnout plate through a CP track foundation;
4. and D, after the rotating plates M7-M9 and the translation are repeatedly completed and positioned according to the method of the step three, removing the rotating plate translation device of the prefabricated turnout plate, removing the small winch and the temporary running line of the rotating plate translation device of the prefabricated turnout plate, and completing the installation and positioning of the turnout plate through the lifting of the claw jack.
By adopting the structural design scheme of the device provided by the invention, the accurate translation of the turning plate and the position before the paving of the prefabricated turnout plates M6-M9 can be conveniently and rapidly realized, and the paving effect is improved; the existing construction mechanical equipment can be fully utilized, and the special or modified subway rail-laying gantry crane is not needed to carry out hoisting operation; the device is safe and simple to operate, and has lower processing and manufacturing cost. The invention can conveniently realize the turning plate and accurate translation construction before the pavement of the prefabricated turnout plate of the subway by paving the temporary track line after the turnout and installing the small winch for dragging, and has the characteristics of simple structure and safe and rapid operation and use.
The present invention is not described in detail in the present application, and is well known to those skilled in the art. Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered by the scope of the claims of the present invention.
Claims (7)
1. The utility model provides a prefabricated switch board of subway changes board translation device which characterized in that: the novel small-sized steel plate structure comprises a small-sized track wheel pair (1), a lower-layer structure channel steel framework (2), square steel plates (3) and an upper-layer structure channel steel framework (5), wherein the small-sized track wheel pair (1) is formed by two identical groups and is placed on two parallel steel rails (17), the lower-layer structure channel steel framework (2) is positioned above the small-sized track wheel pair (1) and is connected with the small-sized track wheel pair (1), the square steel plates (3) are fixedly connected to the lower-layer structure channel steel framework (2), and a limiting rotation center shaft (4) is fixedly connected to the upper part of the middle of the square steel plates (3); the upper layer structure channel steel framework (5) is connected to the square steel plate (3) through the bearing groups (7), the pavement wood plate layer (9) is placed above the upper layer structure channel steel framework (5), the bearing groups (7) comprise rolling bearings (13), shafts (18) and bearing supports (14), the shafts (18) are connected to the middle of the rolling bearings (13), the shafts (18) are located on the same circumference, the axes of the shafts (18) are all directed to the center of the limiting rotation center shaft (4), the two ends of the shafts (18) are connected to the bottom end of the bearing supports (14), and the top ends of the bearing supports (14) are fixedly connected to the channel steel bottoms of the upper layer structure channel steel framework (5).
2. The subway prefabricated switch plate rotating plate translation device according to claim 1, wherein: six channel steel frames (2) of the lower layer structure are vertically and fixedly connected with each other, a plurality of bearing seats (15) are fixedly connected below the channel steel frames, and connecting shafts (16) of the small track flat wheel pairs (1) penetrate through bearings in the bearing seats (15) to be connected.
3. The subway prefabricated switch plate rotating plate translation device according to claim 1, wherein: the upper layer structure channel steel framework (5) is formed by fixedly connecting six channel steel which are vertically and horizontally intersected with each other, and a rotating center shaft sleeve (6) matched with the limiting rotating center shaft (4) is fixedly connected below the middle of the channel steel.
4. The subway prefabricated switch plate rotating plate translation device according to claim 1, wherein: the veneer wood layer (9) comprises a plurality of wood boards (12) and angle steels (11), wherein the wood boards (12) are arranged side by side, and the angle steels (11) are riveted on two end faces of the wood boards (12).
5. The subway prefabricated switch plate rotating plate translation device according to claim 1, wherein: the U-shaped steel lifting device is characterized in that lifting lugs (10) are fixedly connected to the end parts of the channel steel of the lower layer structure channel steel framework (2) and the end parts of the channel steel of the upper layer structure channel steel framework (5), the lifting lugs (10) are of U-shaped structures, the opening ends of the lifting lugs (10) are fixedly connected in grooves of the channel steel, the closed ends of the lifting lugs (10) extend out of the end parts of the channel steel, and T-shaped locating pins (19) are inserted in the upper and lower lifting lugs (10).
6. The subway prefabricated switch plate rotating plate translation device according to claim 1, wherein: a plurality of rotating handles (8) are fixedly connected to the channel steel on the outer side of the bottom of the channel steel framework (5) with the upper layer structure.
7. The method for using the subway prefabricated switch plate rotating plate translation device according to any one of claims 1 to 6, wherein the method comprises the following steps: the method comprises the following steps:
1. after the subway rail-laying gantry crane is adopted to finish the laying of the turnout plates M1-M5, a prefabricated turnout plate turning translation device is firstly erected from the starting point of the plate M6 to temporarily run;
2. after the temporary travelling line is paved, a subway track laying gantry crane is utilized to hoist a subway prefabricated turnout plate rotating plate translation device to the temporary travelling line, a wheel stopper is limited on the travelling line, and meanwhile, a T-shaped positioning pin (19) is inserted into lifting lugs (10) arranged on channel steel frameworks of the upper layer and the lower layer of structure, so that the upper layer of structure plate and the lower layer of structure plate of the railway flatcar are fixed;
3. when the turnout plates M6-M9 are constructed, the turnout plates are turned and translated for paving in sequence of M6-M7-M8-M9, namely: firstly, hanging a turnout plate M6 on a turnout plate rotating plate translation device of a subway prefabricated turnout plate by utilizing a subway track laying gantry crane, installing small-sized winches at two ends of the turnout plate rotating plate translation device of the subway prefabricated turnout plate along the line direction, installing winch steel wire ropes on rotating handles (8) of the device, loosening T-shaped locating pins (19) of an upper structure and a lower structure of the device, starting 2 winches at the same time, finishing the original position rotation of the turnout plate by 90 degrees, inserting T-shaped locating pins (19) into lifting lugs (10) at upper and lower layers, locking the upper structure and the lower structure of the prefabricated turnout plate rotating plate translation device, starting the winches at the turnout direction side, dragging the prefabricated turnout plate rotating plate translation device to move to a paving position with M6 plates, fixing the prefabricated turnout plate rotating plate translation device by using a wheel stopper, lifting a claw jack to jack the turnout plate rotating plate and supporting pads, loosening a III track for finishing the accurate turnout plate paving position by controlling a foundation to accurately adjust and finish a turnout plate by controlling a fine-tuning net CP;
4. and D, after the rotating plates M7-M9 and the translation are repeatedly completed and positioned according to the method of the step three, removing the rotating plate translation device of the prefabricated turnout plate, removing the small winch and the temporary running line of the rotating plate translation device of the prefabricated turnout plate, and completing the installation and positioning of the turnout plate through the lifting of the claw jack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811511907.9A CN109355984B (en) | 2018-12-11 | 2018-12-11 | Subway prefabricated turnout plate rotating plate translation device and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811511907.9A CN109355984B (en) | 2018-12-11 | 2018-12-11 | Subway prefabricated turnout plate rotating plate translation device and application method thereof |
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| Publication Number | Publication Date |
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| CN109355984A CN109355984A (en) | 2019-02-19 |
| CN109355984B true CN109355984B (en) | 2023-10-20 |
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| CN201811511907.9A Active CN109355984B (en) | 2018-12-11 | 2018-12-11 | Subway prefabricated turnout plate rotating plate translation device and application method thereof |
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Families Citing this family (1)
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| CN111304970A (en) * | 2020-03-03 | 2020-06-19 | 中铁工程设计咨询集团有限公司 | Lifting type level crossing turnout for rail transit of double-rail rubber-tyred vehicle |
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|---|---|
| CN109355984A (en) | 2019-02-19 |
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