Special paying-off support device in bridge of urban rail transit power lighting system
By introducing lifting and anti-detachment devices into the cable laying bracket, the problem of cable detachment during cable laying in the track bridge is solved, achieving height adjustment and anti-detachment functions, and improving the continuity and stability of cable laying.
Patent Information
- Application Number
- CN202520081205.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-14
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2035-01-14
AI Technical Summary
When existing cable-laying brackets are used to lay cables inside the track bridge, the cables are prone to falling off and the height is not easy to adjust, which greatly limits their use.
A cable laying bracket was designed, comprising a base, support column, lifting column, pulleys, and anti-detachment device. The lifting device driven by an electric push rod and a motor enables pulley height adjustment and anti-detachment function, ensuring that the cable does not fall off during the laying process.
It enables flexible adjustment of pulley height and anti-derailment function, improves the continuity and stability of line laying, and adapts to the needs of line laying at different heights.
Smart Images
Figure CN223659527U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to cable pay-off technology field, specifically point to a kind of special pay-off support device in urban rail transit power lighting system bridge. BACKGROUND
[0002] In the cable laying process of urban rail transit power lighting system, the special pay-off support in bridge can provide stable support and guidance, so that the cable can be smoothly laid in the bridge, reduce the friction and resistance between the cable and the bridge, and improve the speed and efficiency of pay-off.
[0003] The existing pay-off support generally includes a pulley assembly and a steel frame. The pulley can reduce the friction of cable pay-off, which helps the smooth pay-off. However, the existing pay-off support still has some deficiencies: the steel frame used in the pay-off support is not convenient to adjust the height flexibly, and has limitations in use. The pulley is not convenient to protect the cable from falling off during the pay-off process, and the cable is easy to slide off the pulley. Therefore, improvement is needed. UTILITY MODEL CONTENTS
[0004] The technical problem to be solved by the utility model is that in the prior art, the cable is easy to fall off from the pay-off pulley when supporting the pay-off in the track bridge, and it is not convenient to adjust the support height of pay-off according to the on-site environment.
[0005] In order to realize the above functions, the utility model adopts the following technical scheme: a special pay-off support device in urban rail transit power lighting system bridge, comprising a base, a wheel is arranged at the bottom of the base, a support column is fixedly connected to the center of the upper end surface of the base, a lifting column is arranged in the support column, a side groove is arranged in the side wall of the lifting column, a pulley is rotatably arranged on the side wall of the lifting column and located below the side groove, a support device is arranged in the base in a circular array, a lifting device is arranged in the support column and connected to the lifting column in power to flexibly adjust the pay-off height of the pulley, and an anti-falling device is arranged in the side groove to prevent the cable from falling off from the pulley.
[0006] Further, the anti-falling device includes an electric push rod, the electric push rod is fixedly connected to the bottom wall of the side groove, a clamping plate is slidably arranged in the side groove and fixedly connected to the output end of the electric push rod, and a guide rod two is arranged in the side groove and penetrates the clamping plate.
[0007] Further, the lifting device includes a motor, the motor is arranged at the inner bottom end of the support column, a lead screw is connected to the output end of the motor and threadedly connected to the lifting column.
[0008] Further, the support device comprises embedding slots arranged in a circumferential array on the bottom end surface of the base, a silk column is threadedly connected in the base, a support plate is connected to the lower end of the silk column, the support plate is connected with the silk column through a bearing, the support plate can be completely retracted into the embedding slot, a guide rod one is fixed on the upper end surface of the support plate and penetrates upwardly through the base, and a hand wheel is fixed on the upper end of the silk column.
[0009] Further, the lifting column is in a rectangular cross section, and an end plate is arranged at the bottom end of the lifting column.
[0010] Further, a control panel is arranged on the base and electrically connected with the electric push rod and the motor.
[0011] The utility model discloses the above-mentioned structure obtains the beneficial effect as follows:
[0012] 1, the utility model discloses a prevent falling device, and electric push rod pulls the slide of the clamping plate on guide rod no.
[0013] 2, the utility model discloses a lifting device, and the motor drives the rotation of the screw rod, and the screw rod drives the lifting of the lifting column in the support column, and then reaches the height adjustment of the pulley, and adapts to the wire laying demand of different height in the bridge frame. ACCURACY OF DRAWINGS
[0014] Figure 1 The utility model discloses a whole structure of a wire laying support device special for a city rail transit power lighting system bridge frame Figure 1 ;
[0015] Figure 2 The utility model discloses a whole structure of a wire laying support device special for a city rail transit power lighting system bridge frame Figure 2 ;
[0016] Figure 3 The utility model discloses a whole structure of a wire laying support device special for a city rail transit power lighting system bridge frame Figure 3 ;
[0017] Figure 4 The utility model discloses a whole structure of a wire laying support device special for a city rail transit power lighting system bridge frame.
[0018] Wherein, 1, base, 2, wheel, 3, support column, 4, lifting column, 5, side groove, 6, pulley, 7, support device, 8, lifting device, 9, anti-drop device, 10, electric push rod, 11, clamping plate, 12, guide rod two, 13, motor, 14, screw rod, 15, embedding groove, 16, silk column, 17, support plate, 18, guide rod one, 19, hand wheel, 20, end plate, 21, control panel. DETAILED DESCRIPTION
[0019] The technical scheme of the present application will be described clearly and completely in combination with the drawings. Obviously, the described embodiments are some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present application.
[0020] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation of the present application.
[0021] As Figures 1-4 The utility model discloses a city track traffic power lighting system bridge inner special pay-off support device, including base 1, the bottom of base 1 is equipped with wheel 2, be equipped with control panel 21 on base 1, control panel 21 and electric push rod 10 and motor 13 electric control signal connection, the upper end surface center of base 1 is fixedly connected with support column 3, is equipped with lifting column 4 in support column 3, the cross section of lifting column 4 is rectangular and is arranged, the bottom end of lifting column 4 is equipped with end plate 20, end plate 20 can avoid lifting column 4 from support column 3 and separate, the lateral wall of lifting column 4 is equipped with side groove 5, the lateral wall of lifting column 4 is equipped with pulley 6 and is located below side groove 5, and base 1 has support device 7 in circumferential array, lifting device 8 is equipped in support column 3 and is connected with lifting column 4 power to flexibly adjust the pay-off height of pulley 6, and anti-drop device 9 is equipped in side groove 5 to avoid cable from falling off pulley 6, and anti-drop device 9 includes electric push rod 10, electric push rod 10 is fixedly connected on the bottom wall of side groove 5, clamping plate 11 is slidably arranged in side groove 5 and is fixedly connected with the output end of electric push rod 10, side groove 5 is equipped with guide rod two 12 and penetrates clamping plate 11, through electric push rod 10 and pull clamping plate 11, can realize that clamping plate 11 is wrapped to pulley 6, and avoids the cable on pulley 6 and falls off to both sides in the pay-off process.
[0022] As Figure 4The lifting device 8 comprises a motor 13 arranged at the inner bottom end of the support column 3, the output end of the motor 13 is connected with a lead screw 14 and is in threaded connection with the lifting column 4, the rotation of the lead screw 14 can drive the lifting column 4 to slide up and down in the support column 3, so as to achieve the purpose of adjusting the pay-off height of the pulley 6.
[0023] As Figures 1-3 The support device 7 comprises a plurality of embedding grooves 15 arranged in a circular array at the bottom end face of the base 1, a lead screw 16 is in threaded connection in the base 1, the lower end of the lead screw 16 is connected with a support plate 17, the support plate 17 is connected with the lead screw 16 through a bearing, the support plate 17 can be completely retracted into the embedding groove 15, the upper end face of the support plate 17 is fixedly connected with a guide rod one 18 and penetrates upwardly through the base 1, the upper end of the lead screw 16 is fixedly connected with a hand wheel 19, by rotating the hand wheel 19, the lead screw 16 can be screwed into the base 1, and the support plate 17 is pushed out of the embedding groove 15, the support plate 17 is supported on the ground, and the stability of the base 1 during the pay-off process can be improved.
[0024] Specifically, when the cable in the urban rail power lighting system bridge is payed off, first, the base 1 is moved to the pay-off position through the wheel 2, the cable is placed above the pulley 6, the motor 13 is started by controlling the control panel 21 according to the required pay-off height, the lead screw 14 drives the lifting column 4 to lift in the support column 3, so that the height of the pulley 6 can be flexibly adjusted.
[0025] During the pay-off, the electric push rod 10 is controlled through the control panel 21, the electric push rod 10 pulls the clamping plate 11 to slide on the guide rod two 12, the clamping plate 11 is wrapped around the two sides of the upper end of the pulley 6, so that the cable can be prevented from falling off the pulley 6, and the continuity of the pay-off is ensured.
[0026] Before the pay-off, the lead screw 16 is screwed into the base 1 by rotating the hand wheel 19, and the support plate 17 is pushed out of the embedding groove 15 to support on the ground, and the wheel 2 is lifted away from the ground, so that the stability of the base 1 can be ensured.
[0027] The above describes the utility model and its implementation mode, which is not restrictive, and the drawings only show one of the implementation modes of the utility model, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired thereby, without departing from the creative purpose of the utility model, similar structural modes and embodiments are not creatively designed, which should belong to the protection scope of the utility model.
Claims
1. A special cable-laying support device for cable trays in urban rail transit power lighting systems, characterized in that: The system includes a base (1), with wheels (2) at the bottom of the base (1), a support column (3) fixedly connected to the center of the upper surface of the base (1), a lifting column (4) passing through the support column (3), a side groove (5) in the side wall of the lifting column (4), a pulley (6) rotatably mounted on the side wall of the lifting column (4) and located below the side groove (5), a support device (7) arranged in a circular array in the base (1), a lifting device (8) in the support column (3) and poweredly connected to the lifting column (4) to flexibly adjust the cable laying height of the pulley (6), and an anti-detachment device (9) in the side groove (5) to prevent the cable from falling off the pulley (6).
2. The special cable-laying support device for a cable tray in an urban rail transit power lighting system according to claim 1, characterized in that: The anti-detachment device (9) includes an electric push rod (10), which is fixedly connected to the bottom wall of the side groove (5). A card plate (11) is slidably provided in the side groove (5) and is fixedly connected to the output end of the electric push rod (10). A guide rod (12) is provided in the side groove (5) and passes through the card plate (11).
3. The special cable-laying support device for a cable tray in an urban rail transit power lighting system according to claim 1, characterized in that: The lifting device (8) includes a motor (13), which is located at the bottom of the support column (3). The output end of the motor (13) is connected to a lead screw (14) and threadedly connected to the lifting column (4).
4. A special cable-laying support device for a cable tray in an urban rail transit power lighting system according to claim 1, characterized in that: The support device (7) includes a groove (15), which is arranged in a circular array on the bottom surface of the base (1). A threaded column (16) is threaded into the base (1). A support plate (17) is connected to the lower end of the threaded column (16). The support plate (17) is connected to the threaded column (16) through a bearing. The support plate (17) can be completely retracted into the groove (15). A guide rod (18) is fixed to the upper surface of the support plate (17) and extends upward through the base (1). A handwheel (19) is fixed to the upper end of the threaded column (16).
5. A special cable-laying support device for a cable tray in an urban rail transit power lighting system according to claim 1, characterized in that: The lifting column (4) has a rectangular cross-section and an end plate (20) is provided at the bottom end of the lifting column (4).
6. A special cable-laying support device for a cable tray in an urban rail transit power lighting system according to claim 1, characterized in that: The base (1) is provided with a control panel (21), which is connected to the electric push rod (10) and the motor (13) via electrical control signals.