A catenary overhead line installation positioning device and method of operation thereof

Abstract

The application discloses a catenary cross-span installation positioning device, which comprises a catenary base, a driving wheel arranged at the lower end of the catenary base, a development device arranged on the catenary base, a lifting device arranged on the catenary, a cross-span fastening device arranged at the upper end of the lifting device, a left exhibition stand arranged on the left side of the catenary base, a right exhibition stand arranged on the right side of the catenary base, a lifting stand arranged on the catenary base, a rotating mechanism arranged at the upper end of the lifting stand, and a cross-span fastening device arranged on the rotating mechanism, wherein the development device comprises the left exhibition stand and the right exhibition stand, the lifting device comprises the lifting stand, the cross-span fastening device comprises a cross-span support, the catenary wire can be quickly installed across the span by the catenary cross-span installation positioning device, the construction operation of the catenary is facilitated, the climbing safety problem of the workers is reduced, the installation and positioning of the catenary are more convenient, and the construction safety risk is reduced.

Description

Technical Field

[0001] This invention relates to the field of overhead contact system technology for high-speed railway tracks, and in particular to an installation and positioning device for overhead contact system spanning facilities and its operation method. Background Technology

[0002] The contact wire soft cross-span positioning device is a support and positioning device for the conductors of the railway power supply system. It mainly consists of a support column, a flat cantilever arm, an inclined cantilever arm, and a positioning device. It is fixedly installed above the railway to supply power to the running trains or high-speed trains. It has good practical effect and low production cost, and is widely used in various fields. However, the existing contact wire soft cross-span positioning devices for electrified railways have certain drawbacks in use. Some large stations require a large span of contact wire hard cross-span due to the large number of tracks. However, the maximum span of the existing single-span hard cross-span structure of contact wire is 40 meters, which cannot be used in large stations. Therefore, the usual solution is to use a continuous hard cross-span structure of contact wire in the middle of the station and a soft cross-span structure of contact wire in the throat area of ​​the station.

[0003] However, this structural form requires increased line spacing, which makes construction difficult and time-consuming. Manual installation is slow, and the tension of the soft cross span is difficult to control during implementation. At the same time, the connection speed is slow, the connection angle and position are complex, the installation connection position cannot be accurately located, and the personnel have short standing time on the cable and slow progress when climbing up and down. These problems make it difficult to carry out construction quickly. This invention designs a contact wire cross span installation positioning device to solve the above technical problems. Summary of the Invention

[0004] The purpose of this invention is to provide a contact wire installation and positioning device and its operation method across facilities to solve the problems mentioned in the background art. The contact wire can be installed across facilities quickly, which facilitates the construction operation of the contact wire, reduces the safety problems of workers climbing, makes the installation and positioning of the contact wire more convenient, and reduces the construction safety risks.

[0005] To achieve the above objectives, the present invention provides the following technical solution:

[0006] The utility model provides a contact net cross facility installation positioning device, including contact net base, the lower end of contact net base is provided with drive wheel, contact net base is provided with development device, contact net is provided with lifting device, lifting device upper end is provided with cross fastening device, development device includes left exhibition stand and right exhibition stand, left exhibition stand sets up in contact net base left side, right exhibition stand sets up in contact net base right side, lifting device includes lifting platform, and lifting platform is fixed with contact net base, lifting platform upper end is provided with rotating mechanism, rotating mechanism is installed with cross fastening device, cross fastening device includes cross support, cross support upper end is provided with fastening mechanism, fastening mechanism includes fastening seat, and fastening seat is provided with fastening horizontal groove, and fastening horizontal groove lower end is provided with fastening screw hole, and fastening screw hole lower end is connected with rotating screw rod.

[0007] Preferably, the left and right exhibition stands are respectively arranged on the exhibition stand slide rails of the contact net base, the exhibition stand slide rails are installed in the hollow structure of the contact net base, the hollow structure is arranged at the middle position inside the contact net base, the upper part and the lower part of the hollow structure are respectively provided with exhibition stand slide rails, and the left and right exhibition stands are respectively connected with the hollow structure through the upper and lower sliding blocks.

[0008] Preferably, the left and right exhibition stands are respectively arranged on the exhibition stand slide rails of the contact net base, the exhibition stand slide rails are installed in the hollow structure of the contact net base, the hollow structure is arranged at the middle position inside the contact net base, the upper part and the lower part of the hollow structure are respectively provided with exhibition stand slide rails, and the left and right exhibition stands are respectively connected with the hollow structure through the upper and lower sliding blocks.

[0009] Preferably, the rotating mechanism includes a rotating seat, the rotating seat is installed at the periphery of the lifting platform, the rotating seat is provided with a rotating motor, the rotating motor is installed on the fixed seat at one side of the rotating seat, the rotating seat is rotatably connected with a rotating bracket, the rotating bracket is provided with the cross support, the cross support is slidably connected with the lifting cross frame, and the lifting cross frame is slidably connected with the lifting platform.

[0010] Preferably, the inside of the lifting platform is provided with a front lifting slide and a rear lifting slide, the front lifting slide is slidably connected with the lifting cross frame, the upper end of the lifting cross frame is provided with an upper roller, the lower end of the lifting cross frame is provided with a lower roller, the upper roller is slidably connected with the front lifting slide, and the lower roller is arranged on the rear lifting slide.

[0011] Preferably, the rear lifting slide upper end is provided with a fixed blocking frame, the fixed blocking frame is fixedly installed on the lifting platform, the fixed blocking frame is provided with an inlet groove, and the lifting cross frame can slide into the inlet groove.

[0012] Preferably, a fastening seat is fixedly connected to the lifting cross frame at the upper end of the upper roller, and the rotating screw rod is installed in the lifting cross frame.

[0013] Preferably, an operation method of a catenary cross installation positioning device comprises the following steps:

[0014] S1: The catenary cross installation positioning device is moved to a locking position by a driving wheel, the driving wheel is fixed on a track, installation positioning operation is performed, an unfolding device on a catenary base is used to unfold equipment during the operation, right and left unfolding tables are extended in a hollow structure, and after being extended to a fixed position, the tensioning ropes of tensioning devices on the left and right unfolding tables are respectively tensioned with fixed steel ropes on a contact wire, and the steel ropes on the contact wire are fixed by the tensioning ropes being retracted by a tensioning motor during the tensioning process;

[0015] S2: The tensioning motor is slowly rotated to tension the steel ropes with a certain force, the lifting cross frame in the lifting platform is lifted under the drive of upper and lower rollers, the lifting cross frame is lifted during the lifting process, the cross support is slidably displaced with the lifting cross frame, the lower end of the lifting cross frame enters the fixed blocking frame when the lower roller is lifted to the lower end of the fixed blocking frame, the lifting cross frame is changed from a vertical direction to a horizontal direction, the cross support is slid to a position during the process, and the cross support supports the lifting cross frame in a transverse moment;

[0016] S3: Meanwhile, the fastening seat at the front end of the lifting cross frame is moved according to the installation positioning position, the lifting cross frame is rotated by a rotating motor during the movement, the angle is moved according to the positioning position, the fastening screw holes provided on the fastening seat can place fastening clamps, the catenary wire is fixed by the clamps, the fastening screw holes are fastened by the rotating screw rod during the fixing process, the fastening clamp positioning and fixing are realized, the catenary wire is positioned and fixed after the positioning and fixing are completed, the cross structure is stretched and fastened by the tensioning device, and the required tensioning moment is reached to realize installation and fixation.

[0017] Compared with the prior art, the beneficial effects of the present application are:

[0018] 1. The cross device can be moved on the lifting platform according to different positions and angles, the rotating mechanism can be mobilized at any time, the installation positioning accuracy of the catenary is improved, and the catenary wire can be quickly installed and fixed.

[0019] 2. By the extension and retraction of the slide rail of the left and right exhibition stands, the lateral distance of the overhead line can be increased, and the tensioning effect of the device in the later stage can be improved. Different cross-line operations can be adjusted according to different cross-line distances, and the multifunctional and multipurpose effect of the device can be increased.

[0020] 3. The device can be mainly positioned and installed in advance during the installation process of the overhead line cable, and then the overhead line cable is tensioned, which improves the installation efficiency of the overhead line cable and enhances the technical effect of positioning first and then installing in tension of the overhead line.

[0021] 4. The rotating mechanism is arranged on the upper circle of the lifting platform, which can drive the cross support to rotate, so as to adjust the angle position according to different situations, increase the flexibility of positioning installation, improve the positioning and fixing installation efficiency of the overhead line, greatly improve the positioning effect, and the cross support is slidingly connected with the lifting cross frame, which can support the lifting cross frame when the lifting cross frame is set horizontally, and the cross support can support the lifting cross frame.

[0022] 5. The lifting platform is a hollow square structure, and the front lifting slide and the rear lifting slide are arranged in the interior, which can drive the lifting cross frame to rise and fall, increase the effectiveness of lifting, enable the lifting cross frame to rotate horizontally after lifting, save space during use, and make the use and evacuation more convenient.

[0023] 6. The fixed baffle arranged on the rear lifting slide can clamp the rear lifting slide in the groove after rising to the upper end, which is used for fixing the lifting cross frame and ensuring the safety of the lifting cross frame. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is an overall structure principle schematic view of the contact net horizontal spanning facility installation positioning device.

[0025] Figure 2 It is a structure principle schematic view of the tensioning device.

[0026] Figure 3 It is a structure principle schematic view of the horizontal spanning fastening device.

[0027] 1, contact network base, 2, drive wheel, 3, development device, 4, lifting device, 5, across fastening device, 6, left exhibition stand, 7, right exhibition stand, 8, lifting platform, 9, rotating mechanism, 10, across support, 11, fastening mechanism, 12, fastening seat, 13, fastening transverse groove, 14, fastening screw hole, 15, rotating screw, 16, exhibition stand slide rail, 17, hollow structure, 18, tensioning device, 19, tensioning base, 20, tensioning motor, 21, left tensioning frame, 22, right tensioning frame, 23, tensioning wheel, 24, tensioning rope, 25, rotating seat, 26, rotating motor, 27, fixed seat, 28, rotating support, 29, lifting cross frame, 30, front lifting slide, 31, rear lifting slide, 32, upper roller, 33, lower roller, 34, fixed blocking frame, 35, inlet groove. DETAILED DESCRIPTION

[0028] The specific embodiments of the present application are described in detail below with reference to the accompanying drawings.

[0029] A contact network across facility installation positioning device, comprising a contact network base 1, the lower end of the contact network base 1 is provided with a drive wheel 2, the contact network base 1 is provided with a development device 3, the contact network base 1 is provided with a lifting device 4, the upper end of the lifting device 4 is provided with an across fastening device 5, the development device 3 comprises a left exhibition stand 6 and a right exhibition stand 7, the left exhibition stand 6 is arranged on the left side of the contact network base 1, the right exhibition stand 7 is arranged on the right side of the contact network base 1, the lifting device 4 comprises a lifting platform 8, the lifting platform 8 is fixed to the contact network base 1, the upper end of the lifting platform 8 is provided with a rotating mechanism 9, the rotating mechanism 9 is installed with the across fastening device 5, the across fastening device 5 comprises an across support 10, the upper end of the across support 10 is provided with a fastening mechanism 11, the fastening mechanism 11 comprises a fastening seat 12, the fastening seat 12 is provided with a fastening transverse groove 13, the lower end of the fastening transverse groove 13 is provided with a fastening screw hole 14, the lower end of the fastening screw hole 14 is connected with a rotating screw 15; through the across device, movement can be carried out on the lifting platform 8 according to different positions and angles, through the rotating mechanism 9, the installation positioning accuracy of the contact network is improved, and the installation of the contact network line can be carried out quickly, so that the fastening bolt is fixed quickly.

[0030] The left exhibition stand 6 and the right exhibition stand 7 are arranged on the exhibition stand slide rail 16 of the catenary base 1, the exhibition stand slide rail 16 is installed in the hollow structure 17 of the catenary base 1, the hollow structure 17 is arranged at the middle position inside the catenary base 1, the upper part and the lower part of the hollow structure 17 are respectively provided with the exhibition stand slide rail 16, the left exhibition stand 6 and the right exhibition stand 7 are respectively connected with the hollow structure 17 through the upper and lower sliding blocks; through the extension and retraction of the slide rail of the left exhibition stand 6 and the right exhibition stand 7, the transverse distance of the catenary across the line can be improved, and the tensioning effect of the later stage of the development device can be improved, different cross-line operations can be adjusted according to different cross-line distances, the multifunctional and multipurpose effect of the device is increased, and different width environments can be adapted.

[0031] The tensioning device 18 is arranged between the left exhibition stand 6 and the right exhibition stand 7, the tensioning device 18 comprises a tensioning base 19, a tensioning motor 20, a left tensioning frame 21 and a right tensioning frame 22, the tensioning motor 20 is installed on the tensioning base 19, the left tensioning frame 21 is installed on the left side of the left exhibition stand 6, the right tensioning frame 22 is installed on the right side of the right exhibition stand 7, the left tensioning frame 21 and the right tensioning frame 22 are respectively provided with a tensioning wheel 23, the tensioning wheel 23 is provided with a tensioning rope 24, the tensioning rope 24 is connected with the tensioning motor 20, and the tensioning device 18 is arranged on the development device 3 and mainly can perform advanced positioning installation in the process of installing the catenary cable, then perform tensioning of the catenary cable, improve the installation efficiency of the catenary cable, and improve the technical effect that the catenary is positioned first and then installed and tensioned.

[0032] The rotating mechanism 9 comprises a rotating seat 25, the rotating seat 25 is installed at the periphery of the lifting platform 8, the rotating seat 25 is provided with a rotating motor 26, the rotating motor 26 is installed on a fixed seat 27 on one side of the rotating seat 25, the rotating seat 25 is rotationally connected with a rotating support 28, the rotating support 28 is hingedly connected with the cross support 10, the lifting cross support 29 is slidably connected with the cross support 10, and the lifting cross support 29 is slidably connected with the lifting platform 8; the rotating mechanism 9 is arranged above the periphery of the lifting platform 8 and can drive the cross support 10 to rotate, so that the angle position is adjusted according to different situations, the flexibility of positioning installation is increased, the positioning and fixing installation efficiency of the catenary across the line is improved, the positioning effect is greatly improved, the cross support 29 can support the lifting cross support 29 when the lifting cross support 29 is arranged transversely, and the cross support 29 can support the lifting cross support.

[0033] The lifting platform 8 is internally provided with a front lifting slide 30 and a rear lifting slide 31, the front lifting slide 30 is in sliding connection with the lifting cross 29, the upper end of the lifting cross 29 is provided with an upper roller 32, the lower end of the lifting cross 29 is provided with a lower roller 33, the upper roller 32 is in sliding connection with the front lifting slide 30, and the lower roller 33 is arranged on the rear lifting slide 31; the lifting platform 8 is of a hollow square structure, the front lifting slide 30 and the rear lifting slide 31 are arranged in the lifting platform 8, the lifting cross 29 can be driven to ascend and descend, the effectiveness of lifting is increased, the ability of transverse rotation after lifting is achieved, the space during use is saved, and the lifting platform 8 is more convenient to use and evacuate.

[0034] The upper end of the rear lifting slide 31 is provided with a fixed blocking frame 34, the fixed blocking frame 34 is fixedly installed on the lifting platform 8, the fixed blocking frame 34 is provided with an inlet groove 35, and the lifting cross 29 can slide into the inlet groove 35; the fixed blocking frame is arranged in a gap between the lifting platform 8, the fixed blocking frame is arranged above the rotating mechanism, can be separated from the lifting platform 8, the rotating mechanism drives the lifting cross 29 to rotate, the angle of rotation is improved, the fixed blocking plate arranged on the rear lifting slide 31 can clamp the rear lifting slide 31 in the inlet groove 35 after the rear lifting slide 31 ascends to the upper end, is used for fixing the lifting cross 29, guarantees the safety of the lifting cross 29, and improves the operation space in the later period.

[0035] The upper end of the upper roller 32 is fixedly connected with a fastening seat 12 on the lifting cross 29, and the rotating screw 15 is installed in the lifting cross 29; the rotating screw 15 drives the positioning installation of the contact net line to be fixed and positioned quickly through the rotating motor 26, reduces the operation strength of personnel, and improves the construction efficiency of the positioning installation.

[0036] An operation method of a contact net cross facility installation positioning device, comprising the following steps:

[0037] S1: moving the cross facility installation positioning device to a locking position through the driving wheel 2, fixing the driving wheel 2 on the track, and performing facility installation positioning operation; in the operation process, the unfolding device 3 on the contact net base 1 is used to unfold the equipment, the right unfolding table 6 and the left unfolding table 7 are extended in the hollow structure 17, and the tensioning ropes 24 of the tensioning devices 18 on the left unfolding table 6 and the right unfolding table 7 are respectively tensioned with the fixed steel wire ropes on the contact line; in the tensioning process, the tensioning motor 20 drives the tensioning ropes to contract, and the steel wire ropes on the contact line are fixed;

[0038] S2: the tensioning motor 20 slowly rotates to drive the steel wire rope to be tensioned with a certain force, in this process, the lifting cross frame 29 in the lifting platform is driven by the upper roller 32 and the lower roller 33 to rise, in the rising process, the cross support 10 slides and shifts with the lifting cross frame 29, when the lower roller 33 rises to the lower end of the fixed blocking frame 34, the lower end of the lifting cross frame 29 enters the fixed blocking frame 34, the lifting cross frame 29 changes from vertical sliding to horizontal sliding, in this process, the cross support 10 slides to the position of the lifting cross frame 29, and the cross support supports the lifting cross frame 29 in the transverse moment;

[0039] S3: at the same time, the fastening seat 12 at the front end of the lifting cross frame 29 moves according to the position of the installation and positioning, in the moving process, the lifting cross frame 29 is driven to rotate by the rotating motor 26, and the fastening seat 12 is provided with a fastening screw hole 14 capable of placing a fastening clamp, the contact net line is fixed by the clamp, in the fixing process, the fastening screw hole 14 is screwed and fastened by rotating the rotating screw 15, so as to realize the fastening and positioning of the clamp, after the positioning and fixing of the contact net line are completed, the cross structure is stretched and fastened by the tensioning device 18, so that the required tensioning moment is achieved to realize the installation and fixing.

[0040] The above is only the preferred embodiment of the present application, it should be pointed out that for the person skilled in the art, without departing from the technical principles of the present application, a number of improvements and replacements can be made, these improvements and replacements are considered to be within the protection scope of the present application.

Claims

1. A catenary overhead line installation positioning device, comprising a catenary base, characterized in that, The lower end of the contact network base is provided with a driving wheel, the contact network base is provided with a development device, the contact network base is provided with a lifting device, the upper end of the lifting device is provided with a cross fastening device, the development device includes a left exhibition stand and a right exhibition stand, the left exhibition stand is arranged on the left side of the contact network base, the right exhibition stand is arranged on the right side of the contact network base, the lifting device includes a lifting platform, the lifting platform is fixed on the contact network base, the upper end of the lifting platform is provided with a rotating mechanism, the rotating mechanism is installed with a cross fastening device, the cross fastening device includes a cross support, the upper end of the cross support is provided with a fastening mechanism, the fastening mechanism includes a fastening seat, the fastening seat is provided with a fastening transverse groove, the lower end of the fastening transverse groove is provided with a fastening screw hole, the lower end of the fastening screw hole is connected with a rotating screw rod; The left exhibition stand and the right exhibition stand are arranged on the exhibition stand slide rail of the contact network base respectively, the exhibition stand slide rail is installed in the hollow structure of the contact network base, the hollow structure is arranged at the middle position inside the contact network base, the upper part and the lower part of the hollow structure are provided with exhibition stand slide rails respectively, the left exhibition stand and the right exhibition stand are slidably connected with the hollow structure through upper and lower sliding blocks respectively; The left exhibition stand and the right exhibition stand are provided with a tensioning device, the tensioning device includes a tensioning base, a tensioning motor, a left tensioning frame and a right tensioning frame, the tensioning motor is installed on the tensioning base, the left tensioning frame is installed on the left side of the left exhibition stand, the right tensioning frame is installed on the right side of the right exhibition stand, the left tensioning frame and the right tensioning frame are respectively provided with tensioning wheels, the tensioning wheels are provided with tensioning ropes, and the tensioning ropes are connected with the tensioning motor.

2. A device for positioning a catenary installation according to claim 1, characterized in that The rotating mechanism includes a rotating seat, the rotating seat is installed at the circumference of the lifting platform, the rotating seat is provided with a rotating motor, the rotating motor is installed on the fixed seat on one side of the rotating seat, the rotating seat is rotationally connected with a rotating support, the rotating support is hingedly connected with the cross support, the cross support is slidably connected with the lifting cross frame, and the lifting cross frame is slidably connected with the lifting platform.

3. A device for positioning a catenary installation according to claim 2, characterized in that The lifting platform is provided with a front lifting slide and a rear lifting slide inside, the front lifting slide is slidably connected with the lifting cross frame, the upper end of the lifting cross frame is provided with an upper roller, and the lower end of the lifting cross frame is provided with a lower roller, the upper roller is slidably connected with the front lifting slide, and the lower roller is arranged on the rear lifting slide.

4. A device for positioning a catenary installation according to claim 3, characterized in that The rear lifting slide is provided with a fixed blocking frame at the upper end, the fixed blocking frame is fixedly installed on the lifting platform, the fixed blocking frame is provided with an inlet groove, and the lifting cross frame can slide into the inlet groove.

5. A device for positioning a catenary installation according to claim 4, characterized in that The upper end of the upper roller is fixedly connected with a fastening seat, and the rotating screw rod is installed in the lifting cross frame.

6. A method of operating a positioning device for installation of an overhead contact line system, characterized in that The contact network cross facility installation positioning device comprises the following steps: S1: through the drive wheel across the installation positioning device is moved to the locking position, through the drive wheel fixed on the track, the installation positioning operation, in the operation process through the contact network base on the development device to develop equipment, through the right and left exhibition platform in the hollow structure stretch out, stretch out to the fixed position, the left and right exhibition platform on the tensioning device tensioning rope respectively with the fixed wire rope on the contact line tensioning, in the process of tensioning through the tensioning motor driven tensioning rope contraction, the steel wire rope on the contact line fixed; S2: tensioning motor slowly rotating wire rope tensioning a certain degree of force, in the process, the lifting platform in the lifting cross frame in the upper roller and the lower roller driven, lifting cross frame rises, in the process of rising across the support and the lifting cross frame sliding displacement, the lower roller down to the fixed blocking frame lower end, lifting cross frame into the fixed blocking frame, lifting cross frame from the vertical direction sliding change to horizontal direction, in the process, the cross support and lifting cross frame sliding to position, across the support by this support lifting cross frame lateral force moment; S3: at the same time in the lifting cross frame front end fastening seat according to the installation positioning position moves, in the process of moving through the rotating motor driven lifting cross frame rotation, according to the positioning position angle movement, at the same time, the fastening seat set fastening screw hole can place fastening clamp, through the clamp will contact network line fixed, in the process of fixing through the rotating screw rotation driven fastening screw hole thread fastening, realize the fastening clamp positioning fixed effect, after the realization of contact network line positioning fixed, through the tensioning device will cross structure stretching fastening, make it reach the required tensioning torque installation fixed.

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