Movable cable protection trolley device in cable trench

Abstract

The utility model relates to the technical field of railway cables, and discloses a movable cable protection trolley device in a cable trench, a plurality of coupling trolleys with the same structure are connected, each coupling trolley comprises a trolley flat plate, universal wheels, directional wheels and guide wheels, the trolley flat plate comprises a main body plate (1), a flame-retardant buffer layer (2) and a protection layer (3), a flame-retardant buffer layer (2) and a protective layer (3) are sequentially adhered to the main body plate (1), and a supporting structure is fixedly mounted at the bottom of the trolley flat plate; the supporting structure comprises a coupling accessory (4), a guide wheel fixing plate provided with a guide wheel (5), a universal wheel bottom plate provided with a universal wheel (6) and a directional wheel bottom plate provided with a directional wheel (7), and the universal wheel bottom plate, the directional wheel bottom plate and the coupling accessory are welded into a whole; the universal wheels (6) and the directional wheels (7) are evenly distributed on the two sides of the coupling accessory (4). The beneficial effects of rapid and light cable protection, high efficiency and low cost are realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to railway cable technical field, concretely is a cable protection trolley device in cable trench movable. BACKGROUND

[0002] In the railway cable laying construction, it is easy to cause cable bruise and other sites, influence cable appearance and cable stability. In the process of high-speed railway construction, in order to prevent cable damage, cable groove cover plate is placed outside the anti-collision wall before laying, does not encroach on the cable groove of strong and weak electricity, does not affect cable laying. Cable bruise generally occurs when manual handling causes cable cover plate to fall off during laying. At present, in order to avoid cable bruise, sandbag protection is used after laying cable in the whole line, and a large number of flame-retardant sandbags and fine sand need to be purchased. Through artificial sand loading and mechanical handling, the sandbags are placed above the cable in the cable trench. When laying the cover plate, the sandbags are removed by hand, and the used flame-retardant sandbags and sand need to be treated collectively, cannot be better utilized, causes resource waste and environmental pollution. Although the sandbags can play a good protection role, the artificial, material and mechanical costs are huge, and the used sandbags and sand cause environmental pollution. The utility model designs a cable protection trolley device in cable trench movable. CONTENT OF THE UTILITY MODEL

[0003] The utility model provides a cable protection trolley device in cable trench movable, and the device is simple to produce, light and easy to control, has good protection effect and is convenient to promote.

[0004] The utility model is implemented by the following technical scheme:

[0005] A cable protection trolley device in cable trench movable, comprising a plurality of connected and hung trolleys with the same structure, the connected and hung trolley comprising a trolley flat plate, universal wheels, directional wheels and guide wheels, the trolley flat plate comprising a main body plate 1, a flame-retardant buffer layer 2 and a protection layer 3, the main body plate sequentially bonding the flame-retardant buffer layer and the protection layer, and the trolley flat plate bottom being fixedly installed with a support structure.

[0006] Preferably, the main body plate 1 is a glass fiber plate, and the glass fiber plate is an epoxy resin glass fiber plate.

[0007] Preferably, the flame-retardant buffer layer 2 is a flame-retardant rubber foam plate, and the flame-retardant rubber foam plate is a flame-retardant EPDM foam rubber plate.

[0008] Preferably, the protective layer 3 is a scratch-resistant protective layer, and the scratch-resistant protective layer is made of a soft intumescent flame-retardant PTFE plate.

[0009] Preferably, the universal wheel 6 is installed on the front side of the bottom of the trolley plate.

[0010] Preferably, the directional wheel 7 is installed on the rear side of the bottom of the trolley plate.

[0011] Preferably, the guide wheels 5 are installed on both sides of the trolley plate along the length direction, the guide wheels protrude out of the side surfaces of the trolley plate, and the guide wheel fixing plates are installed on the trolley plate through fasteners.

[0012] Preferably, the total width of the connected trolley is less than the width of the cable trench, and the total width of the connected trolley is the width of the trolley body and the protruding width of the guide wheels 5 on both sides.

[0013] Preferably, the connecting accessory 4 is provided with a connecting ring 41 at one end, and the connecting accessory 4 is provided with an axle pin hole 42 for connecting an axle pin at the other end.

[0014] Preferably, a traction rope is connected to the connecting ring of the connecting accessory 4, and the axle pin hole 42 of the front connected trolley and the connecting ring 41 of the rear connected trolley are connected through an axle pin.

[0015] The beneficial effects of the utility model compared with the prior art are:

[0016] 1. The utility model is suitable for cable protection operation in a railway cable trench, and solves the operation mode of high-cost cable protection. The cable protection trolley of the cable trench is simple to produce, easy to control, has good protection effect, has strong applicability, speeds up construction progress, and is convenient to popularize.

[0017] 2. The cost is greatly saved, and the benefit is greatly improved. The labor and material cost required for laying 90 kilometers of flame-retardant sand bags is 900,000 yuan. The production of one trolley costs 2000 yuan, it is assumed that five trolleys are connected, four operation points are operated at the same time, the labor cost is 300 yuan per day, and the cover plate operation is performed for one month. The total cost is 8.8 million yuan.

[0018] 3. Meanwhile, the problems of resource waste and environmental pollution caused by sand bags are avoided, green construction is maintained, and the surrounding environment of the railway is maintained. DRAWINGS

[0019] Figure 1 is the connected trolley of the movable cable protection trolley device in the cable trench of the utility model, and is a bottom view.

[0020] Figure 2 is the connected trolley of the movable cable protection trolley device in the cable trench of the utility model, and is a side sectional view.

[0021] Figure 3 is the plurality of connecting trolley schematic diagram of the utility model cable trench movable cable protection trolley device.

[0022] In the figure: 1 - main body board 1, 2 - fire -retardant buffer layer, 3 - protective layer, 4 - connecting accessory, 41 - connecting ring, 42 - shaft pin hole, 5 - guide wheel, 6 - universal wheel, 7 - directional wheel. DETAILED DESCRIPTION

[0023] The embodiments of the present application are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the accompanying drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0024] As Figure 1 , Figure 3 shown, the utility model discloses a kind of movable cable protection trolley devices in cable trench, connect multiple structures same connecting trolley, connecting trolley includes trolley flat plate, universal wheel, directional wheel and guide wheel, the trolley flat plate includes main body board 1, fire -retardant buffer layer 2 and protective layer 3, the main body board is sequentially bonded with fire -retardant buffer layer and protective layer, and trolley flat plate bottom is fixedly installed with support structure;The support structure includes connecting accessory 4 and the guide wheel fixed plate of installing guide wheel 5, the universal wheel bottom plate of installing universal wheel 6, the directional wheel bottom plate of installing directional wheel 7, the universal wheel bottom plate, directional wheel bottom plate and connecting accessory are welded into a whole;The universal wheel 6 and directional wheel 7 are evenly distributed in the both sides of connecting accessory. Among them, multiple structures same connecting trolley are connected by connecting pin shaft. The number of guide wheels is at least two groups, at least one group of universal wheels is installed on the universal wheel bottom plate, and at least one group of directional wheels is installed on the directional wheel bottom plate. The device can safely and efficiently run in the function of weak current cable trench.

[0025] Preferably, the main body board 1 is a glass fiber plate, and the glass fiber plate is an epoxy resin glass fiber plate. The trolley flat plate has a body length of 80 cm, a width of 30 cm, and a height of 2.5 cm; the plate has high mechanical properties, high strength, good toughness, and is light in weight. The stability of the trolley is ensured, and the trolley is convenient to carry.

[0026] Preferably, the fire -retardant buffer layer 2 is a fire -retardant rubber foam board, and the fire -retardant rubber foam board is a fire -retardant EPDM foam rubber board with a thickness of 2.8-3.2 cm, preferably 3 cm, which is used as a shock-absorbing material. Because cables are important materials for construction, the buffer layer is made of fire -retardant material. When the cover plate falls, the impact on the trolley can damage the connecting trolley and the signal optical cable.

[0027] Preferably, the protective layer 3 is a scratch-resistant protective layer, which is made of soft intumescent fire-retardant fluorine plate to protect the outside of the hitching trolley.

[0028] Preferably, the universal wheel 6 is installed on the front side of the bottom of the trolley plate, and the universal wheel is a universal rubber wheel. The bottom plate of the universal wheel is detachably connected to the trolley plate by fasteners.

[0029] Preferably, the directional wheel 7 is installed on the rear side of the bottom of the trolley plate, and the directional wheel is a directional rubber wheel. The bottom plate of the directional wheel is detachably connected to the trolley plate by fasteners.

[0030] Preferably, the guide wheels 5 are installed on both sides of the trolley plate along the length direction, and the guide wheels protrude out of the both sides of the trolley plate. The guide wheel fixing plate is installed on the trolley plate by fasteners. The guide wheels are horizontal motion side cylindrical rollers. The front of the hitching trolley uses two universal rubber wheels for direction adjustment, the rear uses two fixed rubber wheels, and the sides of the hitching trolley use four guide wheels. The weak current cable trench communication signal cables are laid on both sides of the cable trench respectively. The universal rubber wheels and the directional rubber wheels are installed at the middle position, and the distance between the two rollers is 12 cm, which avoids the rollers pressing the cables. The guide wheels prevent the hitching trolley body from rubbing against the cable trench.

[0031] Preferably, the total width of the hitching trolley is less than the width of the cable trench, and the total width of the hitching trolley is the width of the trolley body and the protruding width of the guide wheels on both sides. According to the weak current cable trench width of 34 cm, the processing width of the trolley body is 30 cm, four side guide wheels with a side diameter of 2 cm are installed on the sides, and the trolley protrudes out by 1 cm. The total width of the trolley body and the side wheels is 32 cm, which ensures a certain gap between the hitching trolley and the cable trench wall.

[0032] Preferably, as shown in Figure 2 the connecting ring 41 is welded to one end of the hitching fitting; the connecting ring and the shaft pin hole are at different heights, the connecting ring is located at the front notch of the trolley plate, and the shaft pin hole is located at the rear notch of the trolley plate, so that the trolleys are connected by the hitching fitting. The hitching fitting is a 30x30x3mm hot-dip galvanized angle steel, which supports and reinforces the welding of the hitching fitting plate and the roller (universal wheel, directional wheel) bottom plate, so that the trolleys are connected together through the shaft pin of the support structure.

[0033] Preferably, a traction rope is connected at the connecting ring of the hitching fitting 4; the shaft pin hole of the front hitching trolley and the connecting ring of the rear hitching trolley are connected by a shaft pin.

[0034] The device manufacturing steps: the weight of a single trolley is 10 kg, the operation workers keep synchronization with the speed of the cover plate laying according to the site cover plate laying speed, and select the number of trolley hitching.

[0035] The device is applied specifically: according to the field demand, the number of trolley connection is added in combination with the number of laying cover plate and progress. The connected trolley can be connected together through shaft pin, and the traction rope buckle is connected to the shaft pin hole of the head car support structure. When the cable cover plate is laid forward, the speed is kept synchronous with the cable trench cover plate, the connected trolley moves forward in the trench through manual traction, and the protection of the trolley to the cable in the cable trench is realized. When the cover plate falls off, the cover plate contacts the top surface of the connected trolley, the top surface of the trolley is provided with a layer of flame-retardant EPDM foam rubber plate damping material, which protects the cable and avoids the impact force of the falling cover plate to damage the appearance of the cover plate. The trolley body is light and firm, and the up and down is convenient.

[0036] According to the size of the cable trench on site, special specification plates, flame-retardant buffer materials and matched rubber rollers are used to process the trolley, the trolley is connected through a shaft pin, and manual traction is used, so that the cable protection is quickly and conveniently implemented, the construction efficiency is high, and the cost is low.

[0037] In the description of the present application, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present application.

[0038] Although the specific embodiments of the present application are described above, those skilled in the art should understand that these are only illustrative, and the protection scope of the present application is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principles and essence of the present application, and these changes and modifications all fall within the protection scope of the present application.

Claims

1. A movable cable protection trolley device in a cable trench, a plurality of structurally identical hitching trolleys are connected, the hitching trolley comprises a trolley flat plate, a universal wheel, a directional wheel and a guide wheel, characterized in that: The trolley flat comprises a main plate (1), a fire-retardant buffer layer (2) and a protective layer (3), the fire-retardant buffer layer (2) and the protective layer (3) are sequentially bonded on the main plate (1), and a support structure is fixedly installed at the bottom of the trolley flat; the support structure comprises a connecting accessory (4), a guide wheel fixing plate provided with guide wheels (5), a universal wheel bottom plate provided with universal wheels (6), and a directional wheel bottom plate provided with directional wheels (7), the universal wheel bottom plate, the directional wheel bottom plate and the connecting accessory are welded into an integral whole; the universal wheels (6) and the directional wheels (7) are uniformly distributed on both sides of the connecting accessory (4).

2. A movable cable guard dolly device within a cable tray as defined in claim 1, wherein: The main plate (1) is a glass fiber plate.

3. A movable cable guard dolly device within a cable tray as defined in claim 1, wherein: The fire-retardant buffer layer (2) is a fire-retardant rubber foam plate.

4. A movable electrical cable protection cart device within a cable tray as defined in claim 1, wherein: The protective layer (3) is a scratch-proof protective layer.

5. A movable electrical cable protection cart device within a cable tray as defined in claim 1, wherein: The universal wheels are installed at the front side of the bottom of the trolley flat.

6. A movable electrical cable protection cart device within a cable tray as defined in claim 1, wherein: The directional wheels are installed at the rear side of the bottom of the trolley flat.

7. A movable electrical cable protection cart device within a cable tray as defined in claim 1, wherein: The guide wheels are installed on both sides of the trolley flat along the length direction, and the guide wheels protrude from the side surfaces of the trolley flat.

8. A movable electrical cable protection cart device within a cable tray as defined in claim 1, wherein: The total width of the connected trolley is less than the width of the cable groove, and the total width of the connected trolley is the width of the trolley body and the protruding width of the guide wheels on both sides.

9. A movable electrical cable protection cart device within a cable tray as defined in claim 8, wherein: One end of the connecting accessory (4) is provided with a connecting ring (41), and the other end of the connecting accessory (4) is provided with a shaft pin hole (42).

10. A movable cable guard dolly device within a cable tray as defined in claim 9, wherein: A traction rope is connected to the connecting ring of the connecting accessory (4); the shaft pin hole (42) of the front connected trolley and the connecting ring (41) of the rear connected trolley are movably connected through a shaft pin.

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