CN211945665U - Traction assembly - Google Patents

Abstract

The utility model relates to a traction assembly, it sets up on the track with sliding, including the slide, stride obstacle mechanism and press from both sides tight seat, the slide includes first bedplate and the second bedplate that the interval set up, be provided with rotatable pulley between the two, the axis level of pulley sets up, first bedplate and second bedplate pass through the third bedplate and connect, form trilateral open-ended spout between the three bedplate, the lower extreme of first bedplate articulates there is the closing cap, closing cap selectivity shutoff spout below opening, it includes the rolling disc to stride obstacle mechanism, the rolling disc can rotate around the center of first pivot, the week portion annular of rolling disc is provided with strides obstacle groove, stride at one of them and hinder the inslot and be provided with the locking board, the one end butt of first bedplate is kept away from with the closing cap to the inner wall selectivity of locking board, press from both sides tight haulage rope of the tight seat and. The utility model discloses a traction assembly simple structure, the haulage rope is fixed convenient, and strides the obstacle smooth and easy, can smoothly slide on fixing the track at the high latitude.

Description

Traction assembly

Technical Field

The utility model relates to a power grid maintenance of equipment technical field especially relates to a traction assembly.

Background

Along with the continuous increase of resident's power consumption, get into autumn and winter season, resident's power consumption increases, in case the power failure overhauls, will influence resident's production life power consumption certainly, bypass live working is more and more used in daily maintenance work at present, to proruption power failure, need overhaul under the condition that power cable cuts off the power supply completely, the time of recovering the power supply is difficult to control, the loss that causes also can't be estimated, under this kind of background, 10kV bypass live working method is widely used, the method can be under the state of incessant power supply, establish one set of interim power supply system in the short time, after all shifting the load current on original circuit to the bypass drainage wire, again with equipment such as original circuit and installation switch, electrified bypass system of demolising after the maintenance finishes, the original disconnected running mode of circuit resumes. The whole process supplies power to the user uninterruptedly, and complex overhauling operations such as circuit additional switch installation and the like are completed under the condition that the user is not aware of the fact, so that the loss is reduced to the minimum.

The existing bypass cable laying method mainly adopts a ground laying mode, generally, if a cable and a connecting device thereof are manually dragged on the ground for a long time in use, the components can directly bear tension to cause insulation damage to the cable and a joint, if a road intersection and a main channel are met in an operation line, the cable can be rolled when a vehicle passes through, the insulation layer on the surface of the cable is seriously damaged, a reliable cable protective groove is required to be adopted under normal conditions, and a special person is arranged for nursing, in addition, due to the factors of complicated road traffic, rugged mountain road, crossing the road, construction obstruction and the like, the normal laying of the cable cannot be realized.

For this reason, at present, in a complex area, a bracket is usually built, and the cable is laid in the air. However, the laying method is complex, requires additional erection of a bracket, and is difficult to operate and high in cost.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides an aim at: provided is a traction assembly which has a simple structure, is convenient to fix a traction rope, smoothly crosses obstacles, and can smoothly slide on a track fixed in a high altitude.

To achieve the purpose, the embodiment of the present invention adopts the following technical solutions:

providing a pulling assembly slidably disposed on a track, the track being disposed on a plurality of poles, each pole having a track suspension assembly disposed thereon to secure the track;

the tow assembly includes:

the sliding seat comprises a first seat plate and a second seat plate which are arranged at intervals, the upper end of the first seat plate is connected with the upper end of the second seat plate through a third seat plate, a rotatable pulley is arranged between the first seat plate and the second seat plate, the axis of the pulley is horizontally arranged, a sliding groove with three open sides is formed among the first seat plate, the second seat plate and the third seat plate, the lower end of the first seat plate is hinged with a sealing cover, and the sealing cover is provided with a sealing position for sealing an opening below the sliding groove and an opening position for opening the opening below the sliding groove;

the obstacle crossing mechanism comprises a rotating disc, the center of the rotating disc is connected with one side surface, far away from the first seat plate, of the second seat plate through a first rotating shaft, the rotating disc can rotate around the center of the first rotating shaft, obstacle crossing grooves are annularly formed in the periphery of the rotating disc, a locking plate is arranged in one of the obstacle crossing grooves, and the inner wall of the locking plate is selectively abutted to one end, far away from the first seat plate, of the sealing cover;

the clamping seat can selectively clamp the traction rope, the clamping seat is connected with one side face, deviating from the second seat plate, of the first seat plate through a connecting piece, and the clamping seat is arranged at the lower end of the sliding seat at intervals.

As a preferable scheme of the traction assembly, a magnet is fixedly arranged on the locking plate, the sealing cover is a metal plate, and the magnet can adsorb and fix the sealing cover on the rotating disc so as to enable the sealing cover to be located at the blocking position.

As a preferred scheme of the traction assembly, the traction assembly further comprises a sensor, a driving mechanism and a microcontroller, wherein the sensor can detect the position of the sealing cover, the sealing cover is hinged to the first seat plate through a second rotating shaft, the sealing cover can rotate around the axis of the second rotating shaft along with the second rotating shaft, the driving mechanism is in transmission connection with the second rotating shaft, the driving mechanism and the sensor are electrically connected with the microcontroller, and after the sensor detects that the sealing cover is located at the opening position, the microcontroller can drive the second rotating shaft to rotate after a specified time, so that the sealing cover rotates to the sealing position and is attracted with the magnet on the locking plate.

As a preferred scheme of the traction assembly, an installation groove is concavely arranged on the inner wall of the first seat plate, the microcontroller is pasted in the installation groove, a wire groove is further concavely arranged on the inner wall of the first seat plate and is communicated with the installation groove and the position where the driving mechanism is arranged, a control wire is arranged in the wire groove and is connected with the microcontroller and the driving mechanism.

As a preferable scheme of the traction assembly, a protective shell is arranged outside the sliding seat, the protective shell includes a first shell plate and a second shell plate which are arranged oppositely, the upper end of the first shell plate is connected with the upper end of the second shell plate through a third shell plate, a fourth shell plate is further arranged between the first shell plate and the second shell plate, a first accommodating groove for accommodating the sliding seat is formed between the fourth shell plate and the first shell plate, a second accommodating groove for accommodating the rotating disc is formed between the fourth shell plate and the second shell plate, and the rotating disc portion can extend to the outside of the second accommodating groove.

In a preferred embodiment of the traction assembly, the first shell plate abuts against an outer surface of the first seat plate, the fourth shell plate abuts against an outer surface of the second seat plate, and the third shell plate abuts against an outer surface of the third seat plate.

As a preferable mode of the traction assembly, the first shell plate is bonded to the outer surface of the first seat plate through an adhesive layer, the fourth shell plate is bonded to the outer surface of the second seat plate through the adhesive layer, and the third shell plate is bonded to the outer surface of the third seat plate through the adhesive layer.

As a preferable scheme of the traction assembly, at least two pulleys are arranged in the sliding groove along the length direction of the track, the connecting piece comprises a reinforcing rod, a first connecting plate and a second connecting plate, the reinforcing rod is horizontally arranged, one end of the reinforcing rod penetrates through a first through hole in the first seat plate and is fixedly connected with the inner wall of the second seat plate, the other end of the reinforcing rod is positioned on one side of the first seat plate, which is far away from the second seat plate, and is connected with the upper end of the first connecting rod, the reinforcing rod is positioned between two adjacent pulleys, the lower surface of the reinforcing rod does not protrude below the pulleys and is abutted against one side surface of the track, the first connecting rod is vertically arranged, one end of the first connecting rod, which is far away from the reinforcing rod, is connected with the first connecting plate, and the lower surface of the first connecting plate is connected with the second, the second connecting plate is vertically arranged, a second through hole is formed in the second connecting plate, the clamping seat is connected with the second connecting plate through a locking bolt, and the locking bolt penetrates through the second through hole.

As a preferred scheme of the traction assembly, the clamping seat comprises a seat body, a slot is concavely arranged at the upper end of the seat body, third through holes are formed in two opposite side walls of the slot, the second connecting plate can be inserted into the slot, and the locking bolt sequentially penetrates through the third through holes, the second through holes and the third through holes to be screwed with the locking nut.

As a preferred scheme of the traction assembly, the lower end of the seat body is connected with the base through a second connecting rod, a first wire clamping groove is formed in the base, a notch of the first wire clamping groove faces upwards, a pressing seat is arranged above the base, a second wire clamping groove is formed in the pressing seat, a notch of the second wire clamping groove faces downwards, the pressing seat is connected with the upper end of a pressing screw rod, the lower end of the pressing screw rod penetrates through a fourth through hole in the base and extends into the bottom of the base to be screwed with a pressing nut, and the pressing seat can move in the vertical direction to press the traction rope in the first wire clamping groove of the base.

The utility model has the advantages that: the sliding seat with the pulley is arranged and can slide on a straight track, the clamping seat can clamp the traction rope, the traction rope can be pulled to ensure that the whole traction assembly can slide on the straight track, the obstacle crossing mechanism can enable the traction assembly to smoothly cross the track suspension assembly when the traction assembly slides to a pole position, the traction assembly can smoothly slide on the whole arranged track, the obstacle crossing groove formed in the rotating disc can be just matched with a structure on the track suspension device, the rotating disc can passively rotate when an obstacle is crossed, so that the rotating disc is separated from the sealing cover, the sealing cover can rotate to an open position after being abutted by a locking plate without the rotating disc, so that an opening below the sliding groove is exposed, the traction assembly avoids the structure on the track suspension assembly, and smooth obstacle crossing is realized; by providing the cover, the slider can be effectively prevented from being separated from the rail by an external structure or wind, etc.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Fig. 1 is a schematic cross-sectional view of a traction assembly according to an embodiment of the present invention.

Fig. 2 is a schematic side view of a traction assembly according to an embodiment of the present invention.

Fig. 3 is a schematic cross-sectional view of a traction assembly according to another embodiment of the present invention.

In the figure:

1. a slide base; 101. a first seat plate; 102. a second seat plate; 103. a third seat plate; 104. a pulley; 105. a chute; 106. sealing the cover; 107. a second rotating shaft;

2. a barrier-crossing mechanism; 201. rotating the disc; 202. a first rotating shaft; 203. a barrier-crossing groove; 204. a locking plate;

3. a clamping seat; 301. a seat body; 302. a slot; 303. a second connecting rod; 304. a base; 305. a first wire clamping groove; 306. a pressing seat; 307. a second wire clamping groove; 308. a compression screw; 309. a compression nut;

4. a hauling rope;

5. a protective shell; 501. a first shell plate; 502. a second shell plate; 503. a third shell plate; 504. a fourth shell plate; 505. a second accommodating groove;

6. a reinforcing bar; 7. a first connecting rod; 8. a first connecting plate; 9. a second connecting plate; 10. a locking bolt; 11. a magnet; 12. a microcontroller; 13. a drive mechanism;

100. a track.

Detailed Description

In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1 and 2, the traction assembly of the embodiment of the present invention is slidably disposed on a track 100, the track 100 is disposed on a plurality of electric poles, each of which is provided with a track suspension assembly for fixing the track 100. Specifically, the track 100 is provided with a plurality of such traction assemblies in a sliding manner, all the traction assemblies are moved by the same traction rope 4, the distance between two adjacent traction assemblies is arranged to be the same, and the distance is generally set to be five to six meters.

As shown in fig. 1 and 2, a traction assembly according to an embodiment of the present invention includes a sliding base 1, a barrier spanning mechanism 2 and a clamping base 3, wherein the sliding base 1 includes a first base plate 101 and a second base plate 102 arranged at an interval, an upper end of the first base plate 101 and an upper end of the second base plate 102 are connected through a third base plate 103, a rotatable pulley 104 is arranged between the first base plate 101 and the second base plate 102, an axis of the pulley 104 is arranged horizontally, a sliding slot 105 with three-sided openings is formed between the first base plate 101, the second base plate 102 and the third base plate 103, a lower end of the first base plate 101 is hinged with a cover 106, the cover 106 has a blocking position for blocking an opening below the sliding slot 105 and an opening position for opening an opening below the sliding slot 105, the barrier spanning mechanism 2 includes a rotating disc 201, a center of the rotating disc 201 is connected with a side of the second base plate 102 away from the first base plate 101 through a first rotating shaft 202, the rotating disc 201 can rotate around the center of the first rotating shaft 202, barrier-spanning grooves 203 are annularly arranged on the periphery of the rotating disc 201, a locking plate 204 is arranged in one of the barrier-spanning grooves 203, the inner wall of the locking plate 204 is selectively abutted to one end, away from the first seat plate 101, of the cover 106, a clamping seat 3 can selectively clamp the traction rope 4, the clamping seat 3 is connected with one side surface, away from the second seat plate 102, of the first seat plate 101 through a connecting piece, and the clamping seat 3 is arranged at an interval with the lower end of the sliding seat 1. By providing the carriage 1 with the pulley 104, it can slide on the stretched rail 100, the clamping seat 3 can clamp the traction rope 4, the traction assembly can slide on the straight track 100 by pulling the traction rope 4, the obstacle crossing mechanism 2 can enable the traction assembly to smoothly cross the track suspension assembly when sliding to the electric pole position, the traction assembly can smoothly slide on the whole arranged track 100, and the obstacle-crossing groove 203 arranged on the rotating disc 201 can be just matched with the structure on the track suspension device, when crossing obstacles, the rotating disc 201 can passively rotate to separate the rotating disc 201 from the cover 106, the cover 106 can rotate to the opening position after the locking plate 204 on the rotating disc 201 does not abut, so that the lower opening of the chute 105 is exposed, and the traction assembly is avoided from the structure on the rail suspension assembly, thereby realizing smooth obstacle crossing; by providing the cover 106, the slider 1 can be effectively prevented from being detached from the rail 100 by external structures, wind, or the like.

The utility model discloses a setting of traction assembly can with haulage rope 4, the support assembly cooperation on track suspension subassembly and the pole, realize that automatic conveyor cable removes, and the cable does not bear outside pulling force, high altitude conveyor cable has been satisfied promptly and the cable is arranged, prevented effectively that the cable from being dragged the damage by external force, haulage rope 4 all is connected with the support cable subassembly that pulls the subassembly and hold in the palm the cable, pull the subassembly and fix haulage rope 4, hold in the palm cable subassembly and fix haulage rope 4 and hold in the palm the cable, when pulling haulage rope 4 and removing, pull the subassembly and pull the cable subassembly and all can slide on track 100, pull the subassembly and mainly born the pulling force of haulage rope 4, and the interval has been injectd to a plurality of support cable subassemblies that set up on track 100, make the cable that holds in the palm on the cable subassembly can not by the straight atress, prevented effectively that the cable from.

In this embodiment, a circle of semicircular grooves is annularly recessed on the outer periphery of the pulley 104, the rail 100 is a rope structure, the cross section of the rail 100 is circular, the rail 100 is limited in the grooves of the pulley 104, the rail is effectively prevented from moving along the axial direction of the rotating shaft connected with the pulley 104, and a certain auxiliary limiting effect can be exerted on the rail 100 to be separated from the sliding seat 1 to a certain extent.

Specifically, three pulleys 104 are provided at intervals in the slide groove 105 of the carriage 1 in the longitudinal direction of the rail, and the three pulleys 104 are all abutted against the upper surface of the rail 100.

In addition, in order to reduce the wobbling of the traction assembly when moving on the rail 100, the central axis of the rail 100 (i.e. the groove center line of the sliding groove 105) and the central axis of the traction rope 4 are located on the same plane in the vertical direction, i.e. the projection of the central axis of the rail 100 and the central axis of the traction rope 4 in the vertical direction is coincident.

The closing cap 106 is including being the first apron that the contained angle is connected in proper order, the second apron, third apron and fourth apron, wherein, the one end that the second apron was kept away from to first apron is articulated with first bedplate 101, first apron slope sets up downwards, the second apron level sets up, the slope of third apron upwards sets up, the slope of fourth apron sets up, and the inboard butt of the one end that the third apron was kept away from to the fourth apron and the locking plate 204 on the rolling disc 201, four apron form the closing cap 106 of opening orientation. The cover 106 is a non-planar structure that is more easily engaged with and disengaged from the locking plate 204.

In an embodiment, a magnet 11 is fixedly disposed on the locking plate 204, the sealing cover 106 is a metal plate, and the magnet 11 can fix the sealing cover 106 on the rotating disc 201 in an absorbing manner, so that the sealing cover 106 is located at the sealing position. By providing the magnet 11, the cover 106 can be more firmly fixed in the blocking position, and the pulling assembly is effectively prevented from loosening and separating from the locking plate 204 when the pulling assembly does not cross the obstacle (i.e. cross the rail suspension assembly).

Further, as shown in fig. 3, the pulling assembly further includes a sensor, a driving mechanism 13 and a microcontroller 12, the sensor can detect a position of the cover 106, the cover 106 is hinged to the first seat plate 101 through a second rotating shaft 107, the cover 106 can rotate around an axis of the second rotating shaft 107 along with the second rotating shaft 107, the driving mechanism 13 is in transmission connection with the second rotating shaft 107, the driving mechanism 13 and the sensor are both electrically connected to the microcontroller 12, and after the sensor detects that the cover 106 is located in the open position, the microcontroller 12 drives the second rotating shaft 107 to rotate after a specified time, so that the cover 106 rotates to the blocking position to be attracted to the magnet 11 on the locking plate 204. By arranging the microcontroller 12, the driving mechanism 13 and the sensor, the automatic resetting of the sealing cover 106 can be realized, so that the sealing cover 106 can automatically return to the plugging position from the opening position after the traction assembly crosses the obstacle, that is, the traction assembly can smoothly cross the obstacle, and can ensure that the sealing cover 106 is located at the plugging position in real time after the traction assembly crosses the obstacle, and further, the traction assembly can be stably arranged on the track 100.

Specifically, the rotating disc 201 is in a circular plate shape, so that after the rotating disc 201 is passively rotated, because the self gravity of the locking plate 204 returns to the initial position, namely the locking plate 204 is located at the lowest part of the rotating disc 201, after the traction assembly crosses an obstacle, the rotating disc 201 automatically rotates to the initial position, where the locking plate 204 is located at the lowest part of the rotating disc 201, and it is ensured that the magnet 11 can be attracted to the sealing cover 106 when the sealing cover 106 rotates back to the sealing position.

Preferably, the inner wall of the first seat plate 101 is concavely provided with a mounting groove, the microcontroller 12 is pasted in the mounting groove, the inner wall of the first seat plate 101 is further concavely provided with a wire groove, the wire groove is communicated with the mounting groove and the position where the driving mechanism 13 is arranged, a control wire is arranged in the wire groove, and the control wire is connected with the microcontroller 12 and the driving mechanism 13. Set up mounting groove and wire casing for better installation microcontroller 12 and wiring to can guarantee that microcontroller 12 and control line homoenergetic hide with the slide 1 in, effectively prevent microcontroller 12 and control line because of exposing and damage, microcontroller 12 and control line can also be avoided in addition to mounting groove and wire casing taking the space in spout 105, and reasonable layout can not hinder whole the subassembly that pulls and install in track 100 and pull the removal of subassembly at track 100 yet.

The sensor is also connected with the microcontroller 12 through a control line, the sensor is arranged on the inner wall of the first seat board 101, and the control line connecting the sensor and the microcontroller 12 is also arranged in the corresponding wire slot.

The driving mechanism 13 is a motor, and an output shaft end of the motor is in transmission connection with the second rotating shaft 107. When the cover 106 needs to be located at the blocking position, the driving mechanism 13 can drive the cover 106 to rotate to the blocking position, when an obstacle needs to be avoided, the driving mechanism 13 does not limit the cover 106, and the cover 106 rotates to the opening position under the action of self gravity after being separated from the abutting action of the magnet 11 and the locking plate 204.

In an embodiment, a protective shell 5 is disposed outside the sliding seat 1, the protective shell 5 includes a first shell plate 501 and a second shell plate 502 that are disposed opposite to each other, an upper end of the first shell plate 501 and an upper end of the second shell plate 502 are connected by a third shell plate 503, a fourth shell plate 504 is further disposed between the first shell plate 501 and the second shell plate 502, a first accommodating groove for accommodating the sliding seat 1 is formed between the fourth shell plate 504 and the first shell plate 501, a second accommodating groove 505 for accommodating the rotating disc 201 is formed between the fourth shell plate 504 and the second shell plate 502, and a portion of the rotating disc 201 may extend out of the second accommodating groove 505. Through setting up protective housing 5, can shelter from slide 1 and stride barrier mechanism 2, can prevent especially that when the subassembly that draws moves on track 100, stride barrier mechanism 2 and outside tendril isotructure winding.

In this embodiment, the first shell plate 501 is closely attached to the outer surface of the first seat plate 101, the fourth shell plate 504 is closely attached to the outer surface of the second seat plate 102, and the third shell plate 503 is closely attached to the outer surface of the third seat plate 103.

Preferably, the first shell plate 501 is adhered to the outer surface of the first seat plate 101 by an adhesive layer, the fourth shell plate 504 is adhered to the outer surface of the second seat plate 102 by the adhesive layer, and the third shell plate 503 is adhered to the outer surface of the third seat plate 103 by the adhesive layer. Mode fixed connection bonds, need not again trompil on the protective housing 5 and set up bolt etc. guarantees as far as possible that the surface of protective housing 5 is smooth, reduces by the winding probability of structures such as outside tendril.

In one embodiment, at least two pulleys 104 are disposed in the sliding groove 105 along the length direction of the rail 100, the connecting member includes a reinforcing rod 6, a first connecting rod 7, a first connecting plate 8 and a second connecting plate 9, the reinforcing rod 6 is horizontally disposed, one end of the reinforcing rod 6 passes through a first through hole on the first seat plate 101 and is fixedly connected with the inner wall of the second seat plate 102, the other end of the reinforcing rod 6 is located on the side of the first seat plate 101 facing away from the second seat plate 102 and is connected with the upper end of the first connecting rod 7, the reinforcing rod 6 is located between two adjacent pulleys 104, the lower surface of the reinforcing rod 6 does not protrude below the pulleys 104 and abuts against one side surface of the rail 100, the first connecting rod 7 is vertically disposed, one end of the first connecting rod 7 facing away from the reinforcing rod 6 is connected with the first connecting plate 8, the lower surface of the first connecting plate 8 is connected with the second connecting plate 9, the second connecting plate 9 is vertically arranged, a second through hole is formed in the second connecting plate 9, the clamping seat 3 is connected with the second connecting plate 9 through a locking bolt 10, and the locking bolt 10 penetrates through the second through hole. By providing the reinforcing bar 6, the strength of the slider 1 can be reinforced.

In this embodiment, the clamping seat 3 includes a seat body 301, a slot 302 is concavely provided at an upper end of the seat body 301, third through holes are provided on two opposite side walls of the slot 302, the second connecting plate 9 can be inserted into the slot 302, and the locking bolt 10 sequentially passes through the third through hole, the second through hole, and the third through hole to be screwed with a locking nut.

The lower end of the seat body 301 is connected to a base 304 through a second connecting rod 303, a first wire clamping groove 305 is formed in the base 304, a notch of the first wire clamping groove 305 faces upward, a pressing seat 306 is arranged above the base 304, a second wire clamping groove 307 is formed in the pressing seat 306, a notch of the second wire clamping groove 307 faces downward, the pressing seat 306 is connected to the upper end of a pressing screw 308, the lower end of the pressing screw 308 penetrates through a fourth through hole in the base 304 and extends into the bottom of the base 304 to be screwed with a pressing nut 309, and the pressing seat 306 can move in the vertical direction to press the traction rope 4 located in the first wire clamping groove 305 of the base 304.

In other embodiments, the pressing base 306 is not limited to move in a vertical direction, and may be rotatably disposed to press the pull rope 4, for example, one side of the pressing base 306 is hinged to the base 304 through a hinge shaft, a handle for rotation and locking is disposed at an end of the hinge shaft, and a cam is disposed on the handle, when the handle is rotated until the cam abuts against an abutting portion on the base 304, the pressing base 306 is rotated to a position where the notch of the first wire clamping groove 305 and the notch of the second wire clamping groove 307 are exactly aligned, so that the pull rope 4 is clamped between the base 304 and the pressing base 306, and such locking and unlocking operations are simple.

In the description herein, it is to be understood that the terms "upper" and the like are used in a descriptive sense and based on the orientation or positional relationship shown in the drawings for convenience in description and simplicity of operation, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, configuration and operation in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description herein, references to the description of "an embodiment" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single technical solution, and such description is for clarity only, and those skilled in the art should take the description as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments that may be understood by those skilled in the art.

The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.

Claims (10)

1. A traction assembly, characterised in that it is slidingly arranged on a rail arranged on a plurality of electric poles, each of said poles being provided with a rail suspension assembly to which said rail is fixed;

the tow assembly includes:

the sliding seat comprises a first seat plate and a second seat plate which are arranged at intervals, the upper end of the first seat plate is connected with the upper end of the second seat plate through a third seat plate, a rotatable pulley is arranged between the first seat plate and the second seat plate, the axis of the pulley is horizontally arranged, a sliding groove with three open sides is formed among the first seat plate, the second seat plate and the third seat plate, the lower end of the first seat plate is hinged with a sealing cover, and the sealing cover is provided with a sealing position for sealing an opening below the sliding groove and an opening position for opening the opening below the sliding groove;

the obstacle crossing mechanism comprises a rotating disc, the center of the rotating disc is connected with one side surface, far away from the first seat plate, of the second seat plate through a first rotating shaft, the rotating disc can rotate around the center of the first rotating shaft, obstacle crossing grooves are annularly formed in the periphery of the rotating disc, a locking plate is arranged in one of the obstacle crossing grooves, and the inner wall of the locking plate is selectively abutted to one end, far away from the first seat plate, of the sealing cover;

the clamping seat can selectively clamp the traction rope, the clamping seat is connected with one side face, deviating from the second seat plate, of the first seat plate through a connecting piece, and the clamping seat is arranged at the lower end of the sliding seat at intervals.

2. The pulling assembly as defined in claim 1, wherein the locking plate is fixedly provided with a magnet, the cover is a metal plate, and the magnet can be used for fixing the cover on the rotating disc in an absorption manner so as to enable the cover to be located at the blocking position.

3. The pulling assembly as defined in claim 2, further comprising a sensor, a driving mechanism and a microcontroller, wherein the sensor can detect a position of the cover, the cover is hinged to the first seat plate via a second rotating shaft, the cover can rotate with the second rotating shaft around an axis of the second rotating shaft, the driving mechanism is in transmission connection with the second rotating shaft, the driving mechanism and the sensor are both electrically connected to the microcontroller, and after the sensor detects that the cover is located at the open position, the microcontroller can drive the second rotating shaft to rotate after a specified time, so that the cover rotates to the blocking position to be engaged with the magnet on the locking plate.

4. The pulling assembly as defined in claim 3, wherein the inner wall of the first seat plate is recessed with a mounting groove, the microcontroller is adhered in the mounting groove, the inner wall of the first seat plate is further recessed with a wire groove, the wire groove is communicated with the mounting groove and the position of the driving mechanism, and a control wire is arranged in the wire groove and connected with the microcontroller and the driving mechanism.

5. The draft assembly, according to claim 1, wherein a protective housing is disposed outside said carriage, said protective housing including a first housing plate and a second housing plate disposed opposite to each other, an upper end of said first housing plate and an upper end of said second housing plate being connected by a third housing plate, a fourth housing plate being disposed between said first housing plate and said second housing plate, a first receiving slot being formed between said fourth housing plate and said first housing plate for receiving said carriage, a second receiving slot being formed between said fourth housing plate and said second housing plate for receiving said rotary disc, said rotary disc portion being extendable outside said second receiving slot.

6. The draft assembly, according to claim 5, wherein said first shell plate abuts an outer surface of said first seat pan, said fourth shell plate abuts an outer surface of said second seat pan, and said third shell plate abuts an outer surface of said third seat pan.

7. The draft assembly, according to claim 6, wherein said first shell is adhered to said outer surface of said first seat pan by an adhesive layer, said fourth shell is adhered to said outer surface of said second seat pan by said adhesive layer, and said third shell is adhered to said outer surface of said third seat pan by said adhesive layer.

8. The pulling assembly as defined in claim 1, wherein at least two of the pulleys are disposed in the sliding groove along the length direction of the rail, the connecting member includes a reinforcing rod, a first connecting plate and a second connecting plate, the reinforcing rod is disposed horizontally, one end of the reinforcing rod passes through the first through hole on the first seat plate and is fixedly connected with the inner wall of the second seat plate, the other end of the reinforcing rod is disposed on the side of the first seat plate facing away from the second seat plate and is connected with the upper end of the first connecting rod, the reinforcing rod is disposed between two adjacent pulleys, and the lower surface of the reinforcing rod does not protrude below the pulleys and abuts against one side surface of the rail, the first connecting rod is disposed vertically, one end of the first connecting rod, which is away from the reinforcing rod, is connected with the first connecting plate, and the lower surface of the first connecting plate is connected with the second connecting plate, the second connecting plate is vertically arranged, a second through hole is formed in the second connecting plate, the clamping seat is connected with the second connecting plate through a locking bolt, and the locking bolt penetrates through the second through hole.

9. The traction assembly as claimed in claim 8, wherein the clamping seat comprises a seat body, a slot is concavely formed at the upper end of the seat body, third through holes are formed in two opposite side walls of the slot, the second connecting plate can be inserted into the slot, and the locking bolt sequentially passes through the third through holes, the second through holes and the third through holes to be screwed with the locking nut.

10. The pulling assembly according to claim 9, wherein the lower end of the seat body is connected to a base through a second connecting rod, a first wire clamping groove is formed in the base, a notch of the first wire clamping groove faces upward, a pressing seat is arranged above the base, a second wire clamping groove is formed in the pressing seat, a notch of the second wire clamping groove faces downward, the pressing seat is connected to an upper end of a pressing screw rod, the lower end of the pressing screw rod penetrates through a fourth through hole in the base and extends into the bottom of the base to be screwed with a pressing nut, and the pressing seat can move in a vertical direction to press the pulling rope in the first wire clamping groove of the base.

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