Movable heat preservation shed for ballastless track winter construction

Abstract

The utility model relates to the technical field of track construction, and discloses a movable heat preservation shed for ballastless track winter construction, the movable heat preservation shed comprises a shed frame, a heat preservation interlayer and a moving mechanism, the heat preservation shed frame comprises a tripod at the top and side frames fixedly arranged on the two sides of the tripod, the movable devices are fixed to the side frames, the movable devices move on rails installed on a construction site, the overall structural strength of the heat preservation shed is greatly improved through the reinforced shed frame structure, the wind resistance of the heat preservation shed can be effectively improved, the service life of the heat preservation shed can be effectively prolonged, the clamping mechanisms are arranged at the bottom of the heat preservation shed, and therefore the heat preservation shed is convenient to use. The whole thermal insulation shed can be fixed on the track through the clamping mechanism after the thermal insulation shed stops moving, so that the stability of the thermal insulation shed is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of track construction, especially a movable heat preservation shed for ballastless track winter construction. BACKGROUND

[0002] Ballastless track is a kind of railway track form using integral track bed structure, has the advantages such as stable structure, long service life, low maintenance cost, is widely used in high-speed railway and urban rail transit. However, in winter construction, due to the low ambient temperature, the hydration reaction speed of concrete slows down, and problems such as freezing, insufficient strength and off-jointing are prone to occur, which seriously affects the construction quality and progress. Therefore, when ballastless track is constructed in winter, a heat preservation device is usually needed to heat the area being constructed, and the interior of the heat preservation device is heated by heating equipment to improve the temperature of the construction area and ensure the normal setting of the concrete.

[0003] At present, the heat preservation of the ballastless track construction area is usually carried out by using a heat preservation shed. The existing heat preservation shed has simple structure, but is not convenient to move, and the structural strength of the heat preservation shed is low and the wind resistance is poor. When there is strong wind outside the heat preservation shed, the heat preservation shed is easy to deform or even be blown down, and the deformed heat preservation shed is easy to leak air, which reduces the heat preservation effect of the heat preservation shed. SUMMARY

[0004] The utility model aims at providing a movable heat preservation shed for ballastless track winter construction to solve the problems of poor heat preservation and wind resistance of the existing heat preservation shed for track construction.

[0005] The utility model realizes the following technical schemes:

[0006] A movable heat preservation shed for ballastless track winter construction, comprising a shed frame, a heat preservation layer and a moving mechanism, the heat preservation shed frame comprises a triangular frame at the top, side frames are fixedly arranged on both sides of the tripod, the moving device is fixed on the side frame, and the moving device moves on the track installed on the construction site.

[0007] In a possible design, the tripod is composed of a top inclined beam, a vertical beam and a horizontal beam, two top inclined beams are overlapped to form the inclined side of a triangle, the two top inclined beams are connected and fixed by a horizontal horizontal beam, and the overlapping position of the two top inclined beams and the horizontal beam are connected and fixed by the vertical beam.

[0008] In a possible design, the side frame comprises a secondary side beam and a main side beam, and the secondary side beam and the main side beam are connected and fixed by a plurality of connecting strips.

[0009] In a possible design, the shed frame comprises a plurality of single-layer frames, each single-layer frame comprises a tripod and two side frames, and the plurality of single-layer frames are connected and fixed by top cross beams.

[0010] In a possible design, the bottom of each side frame is fixed with a bottom cross beam, a plurality of first rollers are fixed below the bottom cross beam, the walking mechanism further comprises second rollers, the length of the auxiliary side beam of the side frame is longer than that of the main side beam, the second rollers are fixed to the bottom of the auxiliary side beam, and the second rollers are in contact with the side of the track.

[0011] In a possible design, a clamping mechanism is further fixed on the side frame, the clamping mechanism comprises a clamping plate, a threaded rod and a nut, the clamping plate is located on the side of the track opposite to the second rollers, one end of the threaded rod is fixed on the clamping plate, the other end of the threaded rod passes through the auxiliary side beam, the side of the auxiliary side beam away from the clamping plate is provided with the nut, the nut is threadedly connected with the threaded rod, a guide rod is further fixed on the auxiliary side beam, the guide rod is parallel to the threaded rod, and the clamping plate and the guide rod are in sliding fit.

[0012] In a possible design, a plurality of friction blocks are fixed on the clamping plate, and the side of the friction blocks close to the track is a rough surface.

[0013] In a possible design, the thermal insulation layer comprises a top thermal insulation plate and side thermal insulation curtains, the side thermal insulation curtains comprise first thermal insulation curtains and second thermal insulation curtains, the top of the first thermal insulation curtains is hung on the top thermal insulation plate, the first thermal insulation curtains are located on both sides of the track, and the second thermal insulation curtains are located on both sides of the track in front of and behind the thermal insulation shed.

[0014] In a possible design, the tripod is fixed with a mounting groove, the top end edge of the second thermal insulation curtain is fixed with a T-shaped mounting strip, the second thermal insulation curtain is fixedly connected with the mounting groove through the T-shaped mounting strip, the two sides of the tripod are further fixed with mounting grooves, and the top end of the first thermal insulation curtain is also fixed with a T-shaped mounting strip.

[0015] Compared with the prior art, the utility model has the advantages and beneficial effects that:

[0016] The utility model discloses greatly improve the structural strength of the whole thermal insulation shed through the reinforced shed frame structure, can effectively improve the wind resistance of thermal insulation shed and the service life of thermal insulation shed, the thermal insulation shed bottom is equipped with clamping mechanism, can fix the whole thermal insulation shed on the track through clamping mechanism after the thermal insulation shed stops moving, thereby guaranteeing the stability of thermal insulation. BRIEF DESCRIPTION OF DRAWINGS

[0017] The drawings described herein are used to provide further understanding of the embodiments of the present application, form a part of the present application, and do not constitute a limitation to the embodiments of the present application. In the drawings:

[0018] Figure 1 It is a structure schematic view of the front of the present application;

[0019] Figure 2 It is Figure 1 It is an enlarged view of A in the middle;

[0020] Figure 3 It is a structure schematic view of the front of the present application;

[0021] Figure 4 It is a structure schematic view of the front of the second heat preservation curtain;

[0022] Figure 5 It is a structure schematic view of the installation groove of the second heat preservation curtain;

[0023] Figure 6 It is a sectional view when the heat preservation curtain cooperates with the installation groove;

[0024] Figure 7 It is a side view of the shed frame.

[0025] The represented by the reference signs is: 1-shed frame, 101-main side beam, 102-top inclined beam, 103-vertical beam, 104-horizontal beam, 105-secondary side beam, 106-connection strip, 107-top cross beam, 108-bottom cross beam, 2-moving mechanism, 201-first roller, 202-second roller, 3-thermal insulation layer, 301-top thermal insulation plate, 302-first heat preservation curtain, 303-second heat preservation curtain, 4-friction block, 5-thermo-hygrograph, 6-guide rod, 7-clip plate, 8-threaded rod, 9-nut, 10-installation groove, 11-T-shaped installation strip. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the present application more clear and obvious, the present application will be further described in detail below in combination with embodiments and drawings, the schematic embodiments of the present application and the description thereof are only used to explain the present application, and do not constitute a limitation to the present application.

[0027] Embodiments, such as Figures 1 to 7 As shown in the drawings, a movable heat preservation shed for ballastless track winter construction, comprising a shed frame 1, a thermal insulation layer 3 and a moving mechanism 2, the heat preservation shed frame 1 comprises a triangular frame at the top, the tripod is fixedly provided with side frames on both sides, the moving device is fixed on the side frame, and the moving device moves on the track installed on the construction site;

[0028] The heat preservation layer 3 comprises a top heat preservation plate 301 and side heat preservation curtains, the side heat preservation curtains comprise a first heat preservation curtain 302 and a second heat preservation curtain 303, the first heat preservation curtain 302 is hung on the top heat preservation plate 301, the first heat preservation curtain 302 is located on both sides of the track, the second heat preservation curtain 303 is located on both sides of the front and rear of the track on the heat preservation shed, the whole construction area is covered by the top heat preservation plate 301, the first heat preservation curtain 302 and the second heat preservation curtain 303, so that the heat preservation effect is obtained, the upper end of the second heat preservation curtain 303 is fixed on a tripod, the second heat preservation curtain 303 is detachably connected with the tripod, a gap is formed in the middle of the second heat preservation curtain 303, personnel can enter the heat preservation shed through the gap, a plurality of magnets are uniformly distributed on the gap of the second heat preservation curtain 303, and the gap of the second heat preservation curtain 303 is closed by the magnets.

[0029] Beneficially, a plurality of magnets are also distributed at the overlapping position of the second heat preservation curtain 303 and the first heat preservation curtain 302, the magnets on the second heat preservation curtain 303 and the magnets on the first heat preservation curtain 302 attract each other, so that the second heat preservation curtain 303 and the first heat preservation curtain 302 are sealed at the overlapping position.

[0030] In order to reduce the cost, many heat preservation sheds are usually not disposable products, and can usually be reused, and when reused, the whole heat preservation shed cannot be avoided to be disassembled and assembled, in order to facilitate the disassembly and assembly of the second heat preservation curtain 303 and the first heat preservation curtain 302, the tripod is fixed with a mounting groove 10, the top end edge of the second heat preservation curtain 303 is fixed with a T-shaped mounting strip 11, the second heat preservation curtain 303 is fixedly connected with the mounting groove 10 through the T-shaped mounting strip 11, and the two sides of the tripod are also fixed with mounting grooves 10, the top end of the first heat preservation curtain 302 is also fixed with a T-shaped mounting strip 11, and the first heat preservation curtain 302 is also fixedly mounted with the mounting groove 10 through the T-shaped mounting strip 11, when the second heat preservation curtain 303 and the first heat preservation curtain 302 are disassembled and assembled, the T-shaped mounting strip 11 only needs to be inserted into or pulled out of the mounting groove 10, so that the whole disassembly and assembly process can be greatly facilitated.

[0031] In the embodiment, the tripod is composed of a top inclined beam 102, a vertical beam 103 and a horizontal beam 104, two inclined beams 102 are overlapped to form the inclined side of a triangle, the two top inclined beams 102 are fixedly connected through a horizontal horizontal beam 104, and the overlapping position of the two top inclined beams 102 and the horizontal beam 104 are fixedly connected through the vertical beam 103, so that a stable triangular structure is formed through the top inclined beam 102, the vertical beam 103 and the horizontal beam 104, and the structural strength of the top of the shed frame 1 is greatly improved.

[0032] Beneficially, the side frame comprises a secondary side beam 105 and a main side beam 101, and a plurality of connecting strips 106 are evenly arranged between the secondary side beam 105 and the main side beam 101, and the secondary side beam 105 and the main side beam 101 are connected and fixed by the plurality of connecting strips 106, so that the structural strength of the whole side frame can be greatly improved, the stability of the side frame is ensured, and the whole shed frame 1 has high structural strength, strong anti-interference performance and long service life.

[0033] Further, the frame body supported by a tripod and two side frames is a single-layer frame, the shed frame 1 is composed of a plurality of single-layer frames, and the plurality of single-layer frames are connected and fixed by the top cross beams 107, and the main side beam 101 is provided with a plurality of top cross beams 107, so as to ensure the structural strength of the whole shed frame 1.

[0034] Beneficially, the bottom of each side frame is fixed with a bottom cross beam 108, a plurality of first rollers 201 are fixed below the bottom cross beam 108, the first rollers 201 are arranged on a walking mechanism, the walking mechanism further comprises a second roller 202, the length of the secondary side beam 105 of the side frame is longer than that of the main side beam 101, the secondary side beam 105 extends to the side below the track, the second roller 202 is fixed to the bottom of the secondary side beam 105, and the second roller 202 is in contact with and rolls on the side of the track, so that the first roller 201 and the second roller 202 cooperate with each other to ensure that the heat preservation shed will not derail when moving on the track.

[0035] Further, the side frame is further provided with a clamping mechanism, the clamping mechanism comprises a clamping plate 7, a threaded rod 8 and a nut 9, the clamping plate 7 is located on the side opposite to the second roller 202 of the track, one end of the threaded rod 8 is fixed on the clamping plate 7, the other end of the threaded rod 8 penetrates through the secondary side beam 105, the side of the secondary side beam 105 away from the clamping plate 7 is provided with the nut 9, the nut 9 is threadedly connected with the threaded rod 8, a guide rod 6 is further fixed on the secondary side beam 105, the guide rod 6 is parallel to the threaded rod 8, the clamping plate 7 is in sliding fit with the guide rod 6, the guide rod 6 is used for guiding the clamping plate 7, so that the clamping plate 7 can only slide, and rotating the nut 9 can control the clamping plate 7 to move away from or close to the track, so that the clamping plate 7 cooperates with the second roller 202 to clamp the track, and the clamping plate 7 and the second roller 202 are used to clamp the track, so that the heat preservation shed can be fixed on the track firmly, and the wind resistance of the heat preservation shed is increased.

[0036] Beneficially, a plurality of friction blocks 4 are fixed on the clamping plate 7, and a side of the friction blocks 4 close to the rail is rough, further increasing the friction between the friction blocks 4 and the rail, so as to ensure that the clamping mechanism can be stably fixed on the rail.

[0037] Beneficially, a hygrothermograph 5 is also hung in the shed frame 1, and the temperature and humidity in the shed are detected through the hygrothermograph 5.

[0038] The above specific embodiments have further detailed the purpose, technical scheme and beneficial effects of the utility model, and it should be understood that the above is only a specific embodiment of the utility model, and is not used to limit the protection scope of the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A mobile heat preservation shed for winter construction of ballastless track, comprising a shed frame (1), a heat preservation layer (3) and a mobile mechanism (2), characterized in that, The heat preservation shed frame (1) comprises a tripod at the top, and side frames are fixed on both sides of the tripod, and a moving device is fixed on the side frame.

2. The mobile heat preservation shed for winter construction of ballastless track according to claim 1, characterized in that, The tripod is composed of top inclined beams (102), vertical beams (103) and horizontal beams (104), two top inclined beams (102) are overlapped to form the inclined side of a triangle, and the two top inclined beams (102) are fixedly connected by a horizontal horizontal beam (104), and the overlapped position of the two top inclined beams (102) and the horizontal beam (104) are fixedly connected by the vertical beam (103).

3. The movable heat preservation shed for ballastless track winter construction according to claim 2, characterized in that, The side frame comprises a secondary side beam (105) and a main side beam (101), and the secondary side beam (105) and the main side beam (101) are fixedly connected by a plurality of connecting strips (106).

4. The movable heat preservation shed for ballastless track winter construction according to claim 1, characterized in that, The shed frame (1) comprises a plurality of single-layer frames, each single-layer frame comprises a tripod and two side frames, and the plurality of single-layer frames are fixedly connected by a top cross beam (107).

5. The movable heat preservation shed for ballastless track winter construction according to claim 3, characterized in that, The bottom of each side frame is fixed with a bottom cross beam (108), a plurality of first rollers (201) are fixed below the bottom cross beam (108), the first rollers (201) are arranged on a walking mechanism, the walking mechanism further comprises a second roller (202), the length of the secondary side beam (105) in the side frame is longer than that of the main side beam (101), the second roller (202) is fixed to the bottom of the secondary side beam (105), and the second roller (202) is in contact with the side of the track.

6. The movable heat preservation shed for ballastless track winter construction according to claim 5, characterized in that, A clamping mechanism is further fixed on the side frame, the clamping mechanism comprises a clamping plate (7), a threaded rod (8) and a nut (9), the clamping plate (7) is located on the side opposite to the track and the second roller (202), one end of the threaded rod (8) is fixed on the clamping plate (7), the other end of the threaded rod (8) penetrates through the secondary side beam (105), the side of the secondary side beam (105) away from the clamping plate (7) is provided with the nut (9), the nut (9) is threadedly connected with the threaded rod (8), a guide rod (6) is further fixed on the secondary side beam (105), the guide rod (6) is parallel to the threaded rod (8), and the clamping plate (7) is in sliding fit with the guide rod (6).

7. The movable heat preservation shed for ballastless track winter construction according to claim 6, characterized in that, A plurality of friction blocks (4) are fixed on the clamping plate (7), and the side surface close to the track of the friction block (4) is a rough surface.

8. The movable heat preservation shed for ballastless track winter construction according to claim 1, characterized in that, The heat preservation layer (3) comprises a top heat preservation plate (301) and a side heat preservation curtain, the side heat preservation curtain comprises a first heat preservation curtain (302) and a second heat preservation curtain (303), the first heat preservation curtain (302) is hung on the top heat preservation plate (301), the first heat preservation curtain (302) is located on both sides of the track, and the second heat preservation curtain (303) is located on both sides of the front and rear of the track on the heat preservation shed.

9. The mobile heat preservation shed for ballastless track winter construction according to claim 8, characterized in that, The tripod is fixed with mounting slots (10), the top end edge of the second heat preservation curtain (303) is fixed with T-shaped mounting strips (11), the second heat preservation curtain (303) is fixedly connected with the mounting slots (10) through the T-shaped mounting strips (11), and the two sides of the tripod are also fixed with mounting slots (10), and the top end of the first heat preservation curtain (302) is also fixed with T-shaped mounting strips (11).

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