CN219690210U - Height-adjusting support suitable for laying of coal-charging line precast slabs - Google Patents

Height-adjusting support suitable for laying of coal-charging line precast slabs Download PDF

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Publication number
CN219690210U
CN219690210U CN202320337872.1U CN202320337872U CN219690210U CN 219690210 U CN219690210 U CN 219690210U CN 202320337872 U CN202320337872 U CN 202320337872U CN 219690210 U CN219690210 U CN 219690210U
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China
Prior art keywords
supporting
sleeve
steel plate
worm wheel
height
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Active
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CN202320337872.1U
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Chinese (zh)
Inventor
王进智
康孝利
白晓伟
李彦考
吴炜
任永飞
褚卫松
贺酒龙
张永杰
石新杰
杨乐
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Shaanxi Hongning Railway Co ltd
China Railway First Survey and Design Institute Group Ltd
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Shaanxi Hongning Railway Co ltd
China Railway First Survey and Design Institute Group Ltd
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Priority to CN202320337872.1U priority Critical patent/CN219690210U/en
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Publication of CN219690210U publication Critical patent/CN219690210U/en
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Abstract

The utility model discloses a height-adjusting support suitable for laying a precast slab of a coal charging line. The existing equipment for paving the rail plates on the national iron has complex operation and high economic cost. The anchor bearing is fixed on a supporting steel plate which is arranged on the upper surface of a ballastless track substrate; the sleeve worm wheel is connected with the inner ring of the anchoring bearing in a matched manner, the T-shaped adjusting screw is connected in a threaded manner in the sleeve worm wheel, the adjusting screw is connected with the worm in a transmission manner, and two ends of the worm are supported through supporting bearings in the supporting hanging ring. The utility model can realize the elevation adjustment requirement when the track slab is paved, and can be used as a temporary support of the track slab when the self-compacting concrete leveling layer is poured without being completed in the construction period; simple structure, flexible and convenient operation and larger operation space.

Description

Height-adjusting support suitable for laying of coal-charging line precast slabs
Technical Field
The utility model belongs to the technical field of construction of a coal-charging line plate type ballastless track, and particularly relates to a height-adjusting support suitable for paving a coal-charging line precast slab.
Background
Railway is used as an efficient and intensive transportation mode, and the railway coal traffic is continuously increased in recent years. The ballast track bed needs to be regularly subjected to maintenance operations such as track lifting, tamping, backing plates, track shifting, track diversion and the like, and because the coal charging line is busy in operation, the maintenance time is short, and the line equipment and the track bed cannot be maintained in time. In addition, dust suppression and antifreezing solution spraying equipment is arranged before and after a silo coal charging line, sprayed liquid and scattered coal ash inevitably enter railway ballasts, so that the damage such as rust and ballast pollution hardening of a line steel rail and a connecting part is caused for a long time, the driving safety is endangered, the maintenance workload is increased, and a large amount of manpower, material resources and financial resources are consumed. The ballastless track adopts the integral track bed to replace the granular track bed, the geometrical shape and the position of the track are easy to maintain, the maintenance workload is less, and the ballastless track is an effective scheme for solving the defect of the ballasted track of the coal charging line and realizing high-quality transportation.
The coal charging line is busy, and the traditional cast-in-situ integral ballast bed can not meet the technical requirements of quick construction and convenient replacement in the operation period. The slab ballastless track main body track slab adopts a prefabricated structure, can meet the requirements of the limited construction period and maintenance in the operation stage, and is an effective technical scheme for solving the defect of the ballasted track of the coal charging line. However, the lifting device and the hydraulic fine adjustment device adopted for paving the rail plates on the national iron are complex and cumbersome in operation and high in economic cost, and the construction space of the coal charging line under the silo is limited, so that the erection of the devices cannot be completed.
Disclosure of Invention
In order to make up the defects of the prior art, the utility model provides the height-adjusting support suitable for paving the coal-charging line precast slabs, which has the advantages of simple structure, flexible and convenient operation and larger operation space, and can meet the requirement of quick paving and replacing of the coal-charging line track slabs with busy transportation operation.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a height-adjusting support suitable for loading line prefabricated plate lays which characterized in that: the ballastless track comprises a supporting steel plate, wherein the supporting steel plate is arranged on the upper surface of a ballastless track substrate, and an anchor bearing outer ring is fixed on the upper surface of the supporting steel plate;
the sleeve worm gear comprises a worm gear, an upper sleeve and a lower sleeve which are coaxially arranged are respectively fixed on the upper surface and the lower surface of the worm gear, and the outer surface of the lower sleeve is connected with an inner ring of an anchor bearing in a matching way;
the sleeve worm gear is internally provided with internal threads, the outer surface of the T-shaped adjusting screw is provided with external threads, and one end of the T-shaped adjusting screw is arranged in the sleeve worm gear and is connected with the sleeve worm gear through threads; the other end of the T-shaped adjusting screw is supported on the bottom surface of the prefabricated track plate;
the supporting steel plate is provided with two supporting hanging rings, the two supporting hanging rings are internally provided with bearing holes, and the two bearing holes are coaxially arranged; the two bearing holes are respectively provided with a support bearing; two ends of the transmission worm are respectively connected with the supporting bearings in a matching way; the transmission worm is in transmission connection with the worm wheel.
Further, the support steel plate is provided with a through hole;
further, the center of the anchoring bearing is coaxially arranged with the through hole;
further, the shape of the supporting steel plate may be square or circular;
furthermore, the shape of the supporting hanging ring is triangular, the top is chamfered by an arc, and the bottom is welded and fixed on the upper surface of the supporting steel plate.
The utility model has the beneficial effects that:
1) The utility model can realize the elevation adjustment requirement when the track slab is paved, and can be used as a temporary support of the track slab when the self-compacting concrete leveling layer is poured without being completed in the construction period;
2) The utility model has simple structure, flexible and convenient operation, and the arrangement quantity can be reasonably determined according to the plate length;
3) The utility model has lower cost, does not need to be taken out when the track slab is paved, and can be buried in the self-compacting concrete leveling layer as a permanent bearing structure;
4) According to the utility model, the transmission structure is arranged, so that the flexible operation of workers on site can be realized, the operation space is larger, and the requirement of quick changing and paving of the coal line track plate with busy transportation operation can be met.
Drawings
FIG. 1 is a schematic diagram of an assembly of a track slab laying elevation adjustment stand of the present utility model;
FIG. 2 is a schematic view of the overall position of the elevation support and track system of the present utility model;
FIG. 3 is a schematic view of a sleeve worm gear of the present utility model;
FIG. 4 is a schematic view of a drive worm of the present utility model;
FIG. 5 is a schematic view of a backup steel plate and a connector according to the present utility model;
FIG. 6 is a schematic view of a support sling according to the present utility model;
FIG. 7 is a schematic view of a backup steel plate according to the present utility model;
in the figure, a 1-T type adjusting screw, a 2-sleeve worm wheel, a 3-driving worm, a 4-anchoring bearing, a 5-supporting steel plate, a 6-supporting hanging ring, a 7-supporting bearing, an 8-through hole, a 9-bearing hole, a 10-prefabricated track plate, a 11-ballastless track substrate, a 12-self-compacting concrete leveling layer, a 13-worm wheel, a 14-upper sleeve and a 15-lower sleeve.
Detailed Description
The present utility model will be described in detail with reference to the following embodiments.
The height-adjusting support is used for temporary support and height adjustment of a track slab when the coal-charging line track below the silo is paved with the slab ballastless track, is placed at the self-compacting concrete leveling layer and can be buried as a permanent structure; as shown in fig. 1 and 2, the utility model comprises a supporting steel plate 5, wherein the supporting steel plate 5 is arranged on the upper surface of a ballastless track substrate 11, and the outer ring of an anchor bearing 4 is fixed on the upper surface of the supporting steel plate 5;
as shown in fig. 7, the supporting steel plate 5 is provided with a through hole 8 so as to facilitate the up-down telescopic adjustment of the T-shaped adjusting screw 1, and the center of the anchor bearing 4 is coaxially arranged with the through hole 8; the shape of the supporting steel plate 5 can be square or round, and the plane size and thickness of the supporting steel plate 5 are determined by checking strength, stability and fatigue performance according to materials, upper load level and substrate supporting conditions.
As shown in fig. 3, the sleeve worm wheel 2 comprises a worm wheel 13, an upper sleeve 14 and a lower sleeve 15 which are coaxially arranged are respectively fixed on the upper surface and the lower surface of the worm wheel 13, and the outer surface of the lower sleeve 15 is in fit connection with the inner ring of the anchor bearing 4;
the sleeve worm wheel 2 is internally provided with internal threads, the outer surface of the T-shaped adjusting screw 1 is provided with external threads, and one end of the T-shaped adjusting screw 1 is arranged in the sleeve worm wheel 2 and is connected through threads; the other end of the T-shaped adjusting screw 1 is supported on the bottom surface of the prefabricated track plate 10; the diameter, the material and the thread pitch of the T-shaped adjusting screw 1 can be determined according to the strength and the stability design requirement of the load at the upper part of the structure, and the length can be determined according to the thickness of the self-compacting concrete leveling layer 12 and the design height adjustment amount; the T-shaped adjusting screw 1 needs to have enough compressive strength, stability, fatigue strength and corrosion resistance;
the sleeve worm wheel 2 is an anchoring mechanism and a height expansion adjusting device of the T-shaped adjusting screw 1, and needs to have enough strength, rigidity, stability, durability and wear resistance, and can be made of metal materials such as carbon steel, alloy steel and the like, and the worm wheel 13, the upper sleeve 14 and the lower sleeve 15 are integrally cast; the pitch and the teeth of the internal thread of the sleeve worm wheel 2 are matched with those of the T-shaped adjusting screw 1; the height of the upper sleeve 14 is determined according to the length of the T-shaped adjusting screw 1, and the wall thickness is determined according to the strength and stability of the design load; the height of the lower sleeve 15 is determined according to the height of the inner ring of the anchor bearing 4, and the wall thickness is determined according to the design load through strength and stability detection;
as shown in fig. 5 and 6, two supporting hanging rings 6 are arranged on the supporting steel plate 5, the supporting hanging rings 6 are triangular, the top is provided with arc chamfer angles, the bottom is welded and fixed on the upper surface of the supporting steel plate 5, and the supporting hanging rings 6 can be made of carbon steel, alloy steel or other metal materials meeting the functional requirements; the two supporting hanging rings 6 are internally provided with bearing holes 9, the two bearing holes 9 are coaxially arranged, the two bearing holes 9 are respectively provided with a supporting bearing 7, and the supporting hanging rings 6 are bearing parts for supporting the bearing 7; the bearing hole 9 is circular, and the radius of the bearing hole is matched with the outer ring of the support bearing 7; the thickness of the supporting hanging ring 6 is determined according to the size of the supporting bearing 7, and the height is determined by combining the position of the sleeve worm wheel 2, so that the supporting hanging ring has enough strength, rigidity and stability;
two ends of the transmission worm 3 are respectively connected with the support bearing 7 in a matching way; the transmission worm 3 is in transmission connection with the worm wheel 13, and the diameter, the tooth number and the modulus of the worm wheel 13 are matched with those of the transmission worm 3; the transmission worm 3 is a main transmission part of the utility model and is meshed with the sleeve worm wheel 2 through meshing teeth, and the power transmission is realized through the rotation of the transmission worm, so that the horizontal rotation function of the sleeve worm wheel 2 is realized; the driving worm 3 is a columnar structure with a bolt head at one end, and the middle part is provided with threads matched with the sleeve worm wheel 2, as shown in figure 4.
The assembly flow of the utility model is as follows: the T-shaped adjusting screw is screwed into a sleeve worm gear with matched threads, so that the on-site assembly of the heightening support is completed; after the ballastless track substrate is paved, placing an assembled heightening support according to the length of a precast slab, paving a track slab, and driving the plane of a sleeve worm wheel to rotate through a rotary transmission worm to realize the height adjusting function of a T-shaped adjusting screw rod so as to finish the height adjustment of the track slab; the height-adjusting support can be used as a permanent structure to be arranged in the self-compacting concrete leveling layer to participate in structural bearing.
The utility model takes the transmission worm as a main transmission part and is meshed with the sleeve worm wheel through the meshing teeth, the rotation of the transmission worm is converted into the rotary motion of the sleeve worm wheel, and then the high-low motion of the T-shaped adjusting screw is driven, so that the track plate elevation adjusting and temporary supporting functions are realized.
In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "disposed," "mounted," "connected," and "secured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The content of the utility model is not limited to the examples listed, and any equivalent transformation to the technical solution of the utility model that a person skilled in the art can take on by reading the description of the utility model is covered by the claims of the utility model.

Claims (5)

1. The utility model provides a height-adjusting support suitable for loading line prefabricated plate lays which characterized in that: the ballastless track comprises a supporting steel plate (5), wherein the supporting steel plate (5) is arranged on the upper surface of a ballastless track substrate (11), and the outer ring of an anchor bearing (4) is fixed on the upper surface of the supporting steel plate (5);
the sleeve worm wheel (2) comprises a worm wheel (13), an upper sleeve (14) and a lower sleeve (15) which are coaxially arranged are respectively fixed on the upper surface and the lower surface of the worm wheel (13), and the outer surface of the lower sleeve (15) is connected with the inner ring of the anchor bearing (4) in a matching way;
the sleeve worm wheel (2) is internally provided with internal threads, the outer surface of the T-shaped adjusting screw (1) is provided with external threads, and one end of the T-shaped adjusting screw (1) is arranged in the sleeve worm wheel (2) and is connected through threads; the other end of the T-shaped adjusting screw rod (1) is supported on the bottom surface of the prefabricated track plate (10);
two supporting hanging rings (6) are arranged on the supporting steel plate (5), bearing holes (9) are formed in the two supporting hanging rings (6), and the two bearing holes (9) are coaxially arranged; the two bearing holes (9) are respectively provided with a support bearing (7); two ends of the transmission worm (3) are respectively connected with the supporting bearings (7) in a matching way; the transmission worm (3) is in transmission connection with the worm wheel (13).
2. A height-adjusting support for laying of prefabricated panels of a coal line according to claim 1, wherein: the support steel plate (5) is provided with a through hole (8).
3. A height-adjusting support suitable for laying of prefabricated panels of a coal line according to claim 2, wherein: the center of the anchor bearing (4) is coaxially arranged with the through hole (8).
4. A height-adjusting support for laying of prefabricated panels of a coal line according to claim 3, wherein: the shape of the supporting steel plate (5) can be square or round.
5. A height-adjusting support for laying of prefabricated panels of a coal line according to claim 4, wherein: the supporting hanging ring (6) is triangular, the top is chamfered by an arc, and the bottom is welded and fixed on the upper surface of the supporting steel plate (5).
CN202320337872.1U 2023-02-28 2023-02-28 Height-adjusting support suitable for laying of coal-charging line precast slabs Active CN219690210U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320337872.1U CN219690210U (en) 2023-02-28 2023-02-28 Height-adjusting support suitable for laying of coal-charging line precast slabs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320337872.1U CN219690210U (en) 2023-02-28 2023-02-28 Height-adjusting support suitable for laying of coal-charging line precast slabs

Publications (1)

Publication Number Publication Date
CN219690210U true CN219690210U (en) 2023-09-15

Family

ID=87962424

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320337872.1U Active CN219690210U (en) 2023-02-28 2023-02-28 Height-adjusting support suitable for laying of coal-charging line precast slabs

Country Status (1)

Country Link
CN (1) CN219690210U (en)

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