CN108063394A - A kind of tripartition conducting wire driving - Google Patents

Abstract

A three-split conductor flying car of the present invention includes an upper frame and a lower frame, pulley assemblies are arranged on both sides of the upper frame for hanging on the wires on both sides, and the lower frame is fixedly installed on the Below the upper frame, and the lower frame is a frame structure for accommodating workers and equipment. Adjusting plates are arranged on both sides of the upper frame, and there are multiple sets of horizontally arranged on the adjusting plate. Transverse connection holes, the lower frame can be optionally fixedly installed in a set of corresponding horizontal connection holes, the lower frame is also provided with an adjustable frame, and the adjustable frame is provided with The pulley assembly is used to hang on the wire in the middle. An adjustment rod is arranged under the adjustable frame, and a plurality of longitudinal connection holes arranged in the longitudinal direction are opened on the adjustment rod. The adjustable frame can be selected It is fixedly installed on the lower frame through one of the longitudinal connection holes. It has the advantages of simple structure, light volume, convenient adjustment, safety and reliability.

Description

A three-split wire flying car

technical field

The invention relates to the field of electric equipment, in particular to a wire flying car.

Background technique

At present, in domestic overhead transmission lines, the transmission methods of single conductor, double split conductor, four split conductor, six split conductor and eight split conductor are adopted according to different voltage levels, and different conductor flying cars are developed correspondingly according to construction needs to meet the needs of the construction industry. Work is carried out on different wires, and on some multi-split wires, the relatively primitive form of operators walking on the wires is adopted, which is not safe and labor-intensive.

Some overhead transmission lines abroad, such as 400kV overhead transmission lines, need to adopt a three-split conductor structure, and the three-split conductor overhead transmission lines have different conductor spacings in different spans or different conductor segments.

Therefore, how to develop a work tool on a three-split wire so as to overcome the above-mentioned existing problems is a problem to be solved urgently by those skilled in the art.

Contents of the invention

The main purpose of the present invention is to provide a three-split lead flying car with simple structure, light volume, convenient adjustment, safety and reliability.

In order to achieve the above purpose, the technical solution adopted in the present invention is: a three-split wire flying car, including an upper frame and a lower frame, and pulley assemblies are arranged on both sides of the upper frame for hanging on the wires on both sides , the lower frame is fixedly installed under the upper frame, and the lower frame is a frame structure for accommodating workers and equipment, and it is characterized in that adjustment plates are arranged on both sides of the upper frame , the adjustment plate is provided with a plurality of sets of transverse connecting holes arranged in the transverse direction, and the lower frame can be optionally fixedly installed in one of the corresponding sets of the transverse connecting holes, and the lower frame is also provided with An adjustable frame, the adjustable frame is provided with a pulley assembly for hanging on the wire in the middle, an adjustment rod is provided under the adjustable frame, and a plurality of longitudinally arranged rods are arranged on the adjustment rod The adjustable frame can optionally be fixedly installed on the lower frame through one of the longitudinal connecting holes.

As an improvement, a parking brake is provided behind at least one set of the pulley assemblies, and the parking brake includes a parking fixing plate, a guide shaft, a splint, a screw rod and a brake handle, and the parking fixing plate is two pieces and fixed on the upper frame or the adjustable frame, the guide shaft traverses through and is fixedly connected to the parking fixing plate, the splint is two pieces and is respectively located on both sides of the wire, the The guide shaft traverses through and slides to connect with the splint, the screw rod traverses through and rotates to connect with the parking fixing plate, the two ends of the screw rod are respectively provided with thread segments with opposite helical directions, and the screw rod traverses passing through and threadedly connecting the splints, and the screw threads of the threaded sections matched by the splints on both sides are in the opposite direction, and the brake handle is fixedly connected to the screw; the brake handle drives the screw to rotate, and then The clamping plate is controlled to clamp or loosen the wire. In this structure, the two splints are located on both sides of the wire, and the two splints can slide along the axial direction of the guide shaft. The brake handle drives the screw to rotate, and the rotation of the screw can drive the two splints to move. The direction of movement of the two splints is opposite, so the clamping and loosening states of the two splints can be controlled by operating the brake handle.

As an improvement, a travel brake is provided under at least one set of the pulley assemblies. The travel brake includes a brake fixing plate, a brake frame and a brake seat. The brake fixing plate is two pieces and is fixed on the upper frame or the On the adjustable frame, the brake fixing plate is located on both sides of the pulley assembly, the brake frame is hinged between the brake fixing plates on both sides, the brake seat is hinged on the brake frame, and the A limit screw is provided on the brake frame to keep the brake seat at a certain inclination angle without completely falling over; the brake frame is turned up and down to drive the brake seat close to or away from the wire. When the operator needs to brake in an emergency, by pulling the brake frame, the brake seat and the pulley assembly are resisted and suppressed to perform the braking function, and the wire speed can be quickly controlled in the shortest time.

As a further improvement, a protective chain is also provided on the upper frame, and the two ends of the protective chain are respectively installed on both sides of the upper frame, and the direction is perpendicular to the wire, forming a closed loop. It can play the role of double insurance to avoid the accidental drop of the wire flying car.

Preferably, the lower frame includes a connector, a tow ring, a vertical bar, a cross bar, a protection net and a fixed square tube, the vertical bar, the cross bar and the protection net form a rectangular frame, and the tow ring is used for The traction rope is connected, the connecting head is used for fixed connection with the adjustment plate, and the fixed square tube is used for fixed connection with the adjustment rod. The staff can stand on the lower frame for installation, maintenance and other operations, which ensures the safety of the staff's work; on the vertical bars on both sides of the frame, there are welding rings parallel to the direction of the wire. When the wire flying car is suspended in the air, The ground staff can control the movement and movement distance of the wire flying car along the front and rear directions of the wire through the traction rope connected to the tow ring.

Preferably, both the upper frame and the adjustable frame are U-shaped frame structures, the pulley assemblies are arranged inside the U-shaped frame, and four sets of the pulley assemblies are arranged on the upper frame, and Two by two are suspended on the wires on both sides; the pulley assembly includes a pulley shaft, a pulley fixing plate and the pulley, and the pulley shaft is fixed to the upper frame or the adjustable pulley through the pulley fixing plate. On the adjustment frame, the pulley is rotatably connected to the pulley shaft. The above-mentioned structure is simple and reliable, and is suitable for this wire flying car.

As an improvement, the lower frame and one of the adjustment plates are fixedly connected by a bolt and a latch. When the latch is pulled out, the upper frame on one side can be opened to the outside, so that the wires fly into the hanging place. on or off the wire.

As an improvement, a threaded sleeve is welded on the inside of the splint, and the threaded sleeve is located on the peripheral side of the screw rod; a parking anti-slip sheet is also provided on the inside of the splint, and the parking anti-slip sheet is in contact with the wire. Since the splint is a thin plate, it needs to bear a certain radial force when clamping the wire. In order to ensure the clamping strength of the splint when clamping, a threaded sleeve is welded on the splint, which can improve the clamping of the splint on the screw. Guidance can also improve the strength of the splint when clamping the wire. The setting of the parking anti-skid sheet can increase the frictional force between the wires, making the parking device more reliable, avoiding slipping, and protecting the wires from damage.

As a further improvement, an anti-sag chain is connected to the brake frame, and the other end of the anti-sag chain is connected to the upper frame or the adjustable frame, and the anti-sag chain restricts the brake frame from turning downward; The upper side of the brake seat is also provided with a brake anti-slip sheet, and the brake anti-slip sheet is in contact with the wire. The setting of the anti-sagging chain can prevent the brake frame from drooping too much due to gravity, and the brake frame can maintain an appropriate working distance when the travel brake is not working. The setting of the brake anti-slip sheet can increase the friction between the wire and the brake device, making the brake device more reliable, avoiding slipping, and protecting the wire from being damaged.

As an additional extension, the upper frame is also provided with a length measuring instrument for measuring the traveling distance of the wire flying car. When the human traction on the ground drives the wire flying car to walk on the line, the staff on the ground cannot accurately determine the walking distance of the wire flying car, and may always be in the traction state, which requires the operators on the wire flying car to pass through the length. The measuring instrument knows the exact distance traveled by the wire flying car to determine whether it has reached the designated position. When the number displayed by the length measuring instrument is the distance to be traveled by the wire flying car, immediately use the described walking brake to brake, and then use the described parking brake to fix the wire flying car at the position where the operation needs to be performed. It can more accurately determine the traveling distance of the wire flying car, so as to prevent misoperation caused by the deviation of the traveling distance.

Compared with the prior art, the present invention has the advantages of: through the setting of the adjusting plate and the adjusting rod, it can be adjusted horizontally and vertically according to the different spacing of the three-split conductors, so that it can adapt to the spacing of the conductors, so that one machine can be used for multiple purposes. Improve economic benefits and work efficiency; in addition, the setting of parking brake, travel brake and protection chain can greatly improve the safety of the equipment. Therefore, this proposal is a three-split wire flying car that can realize aerial operations such as the installation and maintenance of accessories such as spacers and anti-vibration hammers of overhead transmission lines and the inspection of wire crimping tubes according to the three-split wire overhead transmission lines with different spacings. It has the characteristics of simple structure, light volume, convenient adjustment, safety and reliability.

Description of drawings

Fig. 1 is a front view according to a preferred embodiment of the present invention;

Fig. 2 is a side view according to a preferred embodiment of the present invention;

Fig. 3 is a schematic structural view of the upper frame according to a preferred embodiment of the present invention;

Fig. 4 is a schematic structural view of an adjustable frame according to a preferred embodiment of the present invention;

Fig. 5 is a schematic structural diagram of a parking brake according to a preferred embodiment of the present invention;

Fig. 6 is a schematic structural diagram of a travel brake according to a preferred embodiment of the present invention.

Detailed ways

The following description serves to disclose the present invention to enable those skilled in the art to carry out the present invention. The preferred embodiments described below are only examples, and those skilled in the art can devise other obvious variations.

As shown in Figures 1 to 6, a preferred embodiment of the present invention includes an upper frame 1 and a lower frame 2, and pulley assemblies 3 are arranged on both sides of the upper frame 1 for hanging on the wires 100 on both sides, and the lower frame 1 The frame 2 is fixedly installed below the upper frame 1, and the lower frame 2 is a frame structure for accommodating operators and equipment. 11 is provided with a plurality of sets of horizontal connecting holes 111 arranged in the horizontal direction, and the lower frame 2 can be optionally fixedly installed in one of the corresponding sets of horizontal connecting holes 111, and the lower frame 2 is also provided with an adjustable frame 4, The adjustable frame 4 is provided with a pulley assembly 3 for hanging on the wire 100 in the middle, and an adjusting rod 41 is arranged below the adjustable frame 4, and a plurality of longitudinal connecting holes 411 arranged in the longitudinal direction are provided on the adjusting rod 41 , the adjustable frame 4 can optionally be fixedly installed on the lower frame 2 through one of the longitudinal coupling holes 411 .

As safety configuration, at least one group of pulley assembly 3 rears are provided with parking brake 5, and parking brake 5 comprises parking fixed plate 51, guide shaft 52, clamping plate 53, screw mandrel 54 and brake handle 55, parking fixed plate 51 It is two pieces and is fixed on the upper frame 1 or the adjustable frame 4. The guide shaft 52 passes through and is fixedly connected to the parking fixing plate 51. The splint 53 is two pieces and is respectively located on both sides of the wire 100. Pass through and slide to connect the splint 53, the screw rod 54 traverses through and rotates to connect the parking fixing plate 51, the two ends of the screw rod 54 are respectively provided with threaded sections with opposite helical directions, the screw rod 54 passes through and is threadedly connected to the splint 53, And the screw threads of the threaded sections matched by the splints 53 on both sides have the opposite direction of rotation, and the brake handle 55 is fixedly connected to the lead screw 54; the brake handle 55 drives the lead screw 54 to rotate, and then controls the splint 53 to clamp or loosen the wire. At least one set of pulley assemblies 3 below is provided with a travel brake 6, the travel brake 6 includes a brake fixing plate 61, a brake frame 62 and a brake seat 63, the brake fixing plate 61 is two pieces and is fixed on the upper frame 1 or the adjustable frame 4 Above, the brake fixing plate 61 is located on both sides of the pulley assembly 3, the brake frame 62 is hinged between the brake fixing plates 61 on both sides, the brake seat 63 is hinged on the brake frame 62, and the brake frame 62 is provided with a limit screw 621, so that The brake seat 63 maintains a certain inclination angle without falling completely; the brake frame 62 turns up and down to drive the brake seat 63 close to or away from the wire 100 . The upper frame 1 is also provided with a protective chain 7, and the two ends of the protective chain 7 are respectively installed on both sides of the upper frame 1, and the direction is perpendicular to the wire 100, forming a closed loop.

In this implementation, the lower frame 2 includes a connector 21, a towing ring 22, a vertical bar 23, a cross bar 24, a protection net 25 and a fixed square pipe 26, and the vertical bar 23, the cross bar 24 and the protection net 25 form a rectangular frame, and the towing The ring 22 is used for connecting the traction rope, the connecting head 21 is used for fixed connection with the adjustment plate 11 , and the fixed square tube 26 is used for fixed connection with the adjustment rod 41 . The upper frame 1 and the adjustable frame 4 are both U-shaped frame structures, and the pulley assembly 3 is arranged inside the U-shaped frame, and four sets of pulley assemblies are arranged on the upper frame 1, and are suspended on the wires 100 on both sides in pairs Pulley assembly 3 comprises pulley shaft 31, pulley fixed plate 32 and pulley 33, and pulley shaft 31 is fixed on upper frame 1 or adjustable frame 4 by pulley fixed plate 32, and pulley 33 is rotationally connected on the pulley shaft 31.

As further specific, the lower frame 2 and one of the adjusting plates 11 are fixedly connected by the bolt 12 and the latch 13. When the latch 13 is pulled out, the upper frame 1 on one side can be opened to the outside, so that the wires fly into and hang the wires or Break away from the wire. The inner side of the splint 53 is welded with a threaded sleeve 56, and the threaded sleeve 56 is located at the side of the screw mandrel 54; The brake frame 62 is connected with an anti-sag chain 64, and the other end of the anti-sag chain 64 is connected to the upper frame 1 or the adjustable frame 4, and the anti-sag chain 64 restricts the brake frame 62 to turn downward; the upper side of the brake seat 63 is also provided with a brake The anti-slip sheet 65, the brake anti-slip sheet 65 is in contact with the wire 100.

As an additional configuration, the upper frame 1 is also provided with a length measuring instrument 8 for measuring the traveling distance of the wire flying car.

Generally, overhead transmission lines have ups and downs. When human traction drives the wire speeder on the ground, it will encounter uphill and downhill situations. When going downhill, the speed of the wire speeder needs to be controlled to prevent the speed of the wire speeder from being too fast. And miss the place that needs to be constructed; after the wire flying car arrives at the designated position, it needs to brake for positioning to keep the current position of the wire flying car to facilitate construction operations. When the three-split conductor flying car of the present invention enters the conductor or breaks away from the conductor, it needs the help of other auxiliary hoisting tools to complete.

The basic principles, main features and advantages of the present invention have been shown and described above. Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments. What are described in the above-mentioned embodiments and the description are only the principles of the present invention. Variations and improvements, which fall within the scope of the claimed invention. The scope of protection required by the present invention is defined by the appended claims and their equivalents.

Claims (10)

1. a kind of tripartition conducting wire driving, including upper spider and lower bearing bracket, the upper spider both sides are provided with pulley assembly, are used for It hanging on the conducting wire of both sides, the lower bearing bracket is fixedly installed in below the upper spider, and the lower bearing bracket is closed-in construction, For accommodating operating personnel and equipment, it is characterised in that：The upper spider both sides are provided with adjustable plate, are opened up on the adjustable plate There are multigroup horizontal arranged horizontal connection holes, the lower bearing bracket is selectable to be fixedly installed in the corresponding horizontal stroke of one of which Into connection holes, adjustable housing is additionally provided on the lower bearing bracket, pulley assembly is provided on the adjustable rack, for hanging It is hung on intermediate conducting wire, adjusting rod is provided with below the adjustable housing, offer and multiple arrange along longitudinal direction on the adjusting rod Longitudinal connection holes of row, the adjustable housing it is selectable by longitudinal connection holes one of them described be fixedly installed in it is described under In rack.

2. a kind of tripartition conducting wire driving according to claim 1, it is characterised in that：After at least one set of pulley assembly Side is provided with parked brake, and the parked brake includes parking fixed plate, guiding axis, clamping plate, screw and brake handle, described to stay Vehicle fixed plate is two piece and is fixed on the upper spider or the adjustable housing, and the guiding axis is horizontally through and is fixedly connected The parking fixed plate, the clamping plate is two piece and is located at the conducting wire both sides respectively, and the guiding axis is horizontally through and slides The clamping plate is connected, the screw is horizontally through and is rotatablely connected the parking fixed plate, and the screw both ends are respectively arranged with The opposite thread segment of the hand of spiral, the screw is horizontally through and is threadedly coupled the clamping plate, and clip board engagement described in both sides The thread rotary orientation of thread segment is on the contrary, the brake handle is fixedly connected with the screw；The brake handle drives the leading screw to turn It is dynamic, and then the clamping plate is controlled to clamp or unclamp the conducting wire.

3. a kind of tripartition conducting wire driving according to claim 1, it is characterised in that：Under at least one set of pulley assembly Side is provided with walking brake, and the walking brake includes brake fixed plate, brake frame and brake mount, and the brake fixed plate is two It block and is fixed on the upper spider or the adjustable housing, the brake fixed plate is located at the pulley assembly both sides, described Brake frame is articulated between the brake fixed plate of both sides, and the brake mount is articulated on the brake frame, and the brake Stop screw is provided on frame, the brake mount is made to keep certain angle of inclination without regard to toppling over completely；The brake frame It spins upside down, drives the brake mount closer or far from the conducting wire.

4. a kind of tripartition conducting wire driving according to claim 1, it is characterised in that：Guarantor is additionally provided on the upper spider Chain is protected, the both ends of the protection chain are respectively arranged in the upper spider both sides, and direction and the conducting wire are perpendicular, form one Closed-loop.

5. a kind of tripartition conducting wire driving according to claim 1, it is characterised in that：The lower bearing bracket include connector, Shackle, montant, cross bar, catch net and fixed square tube, the montant, cross bar and the catch net form rectangular frame, described to drag Ring is for connecting traction rope, and for being fixedly connected with the adjustable plate, the fixed square tube is used to be fixedly connected with institute the connector State adjusting rod.

6. a kind of tripartition conducting wire driving according to claim 1, it is characterised in that：The upper spider and the adjustable machine Frame is U-shaped frame structure, and the pulley assembly is set on the inside of the U-shaped frame, pulley described in four groups is provided on the upper spider Component, and hang on two-by-two on the conducting wire of both sides respectively；The pulley assembly includes pulley spindle, pulley fixed plate and described Pulley, the pulley spindle are fixed on by the pulley fixed plate on the upper spider or the adjustable housing, and the pulley turns It is dynamic to be connected on the pulley spindle.

7. a kind of tripartition conducting wire driving according to claim 1, it is characterised in that：The lower bearing bracket and one of institute It states adjustable plate to be fixedly connected with bolt by bolt, when the bolt is extracted, the upper spider of one side can be opened toward outside, be made The conducting wire driving, which enters, tangles the conducting wire or the disengaging conducting wire.

8. a kind of tripartition conducting wire driving according to right wants 2, it is characterised in that：Screw thread is welded on the inside of the clamping plate Set, the thread bush are located at the screw side；Be additionally provided with parking Anti-skid sheet on the inside of the clamping plate, the parking Anti-skid sheet and The conductive contact.

9. a kind of tripartition conducting wire driving according to right wants 3, it is characterised in that：Anti- vertical chain is connected on the brake frame Item, the anti-vertical chain other end connect the upper spider or the adjustable housing, and the anti-vertical chain item limits the brake frame It downwardly turns over；Brake Anti-skid sheet, the brake Anti-skid sheet and the conductive contact are additionally provided on the upside of the brake mount.

10. a kind of tripartition conducting wire driving according to right wants 1 to 9 any claim, it is characterised in that：The upper machine Length measuring instrument is additionally provided on frame, for measuring the travel distance of the conducting wire driving.