阅读说明：本技术 一种用于铁路的智能接触网补偿装置 (Intelligent contact net compensation device for railway ) 是由 高勇 张洪春 于 2021-08-12 设计创作，主要内容包括：本发明涉及电气化铁道设备技术领域,且公开了一种用于铁路的智能接触网补偿装置,解决了接触网松动补偿范围小而造成其工作稳定性差的问题,其包括立杆,所述立杆的顶端设有光伏板,立杆的一侧顶部设有安装板,安装板的底端设有补偿箱,立杆的一侧设有位于补偿箱下方的限位组,立杆的一侧底部设有平衡箱,平衡箱的内顶端开设有开槽一,开槽一的内部贯穿有与限位组连接的平衡绳,平衡绳与位于平衡箱内部的张力平衡机构连接,补偿箱的一侧设有与平衡绳连接的定向轮；本设计有效的增大了对接触网本体松动长度的补偿范围,有效的增大了补偿效果,进而提高了接触网的工作稳定性。(The invention relates to the technical field of electric railway equipment, and discloses an intelligent contact network compensation device for a railway, which solves the problem of poor working stability of a contact network due to a small loose compensation range of the contact network and comprises a vertical rod, wherein a photovoltaic plate is arranged at the top end of the vertical rod, an installation plate is arranged at the top of one side of the vertical rod, a compensation box is arranged at the bottom end of the installation plate, a limiting group positioned below the compensation box is arranged at one side of the vertical rod, a balance box is arranged at the bottom of one side of the vertical rod, a first slot is formed in the inner top end of the balance box, a balance rope connected with the limiting group penetrates through the inside of the first slot, the balance rope is connected with a tension balance mechanism positioned in the balance box, and a directional wheel connected with the balance rope is arranged at one side of the compensation box; this design is effectual has increased the compensation scope to the not hard up length of contact net body, the effectual compensation effect that has increased, and then has improved the job stabilization nature of contact net.)

1. The utility model provides an intelligence contact net compensation arrangement for railway, includes pole setting (1), its characterized in that: the photovoltaic panel (2) is arranged at the top end of the upright rod (1), the mounting plate (7) is arranged at the top of one side of the upright rod (1), the compensation box (8) is arranged at the bottom end of the mounting plate (7), the limit group (3) positioned below the compensation box (8) is arranged at one side of the upright rod (1), the balance box (4) is arranged at the bottom of one side of the upright rod (1), the slotted I (5) is arranged at the inner top end of the balance box (4), the balance rope (6) connected with the limit group (3) penetrates through the slotted I (5), the balance rope (6) is connected with the tension balance mechanism (21) positioned in the balance box (4), the orientation wheel (9) connected with the balance rope (6) is arranged at one side of the compensation box (8), the connecting rod (10) is inserted at one side of the compensation box (8) far away from the orientation wheel (9), the connecting head (12) is arranged at one end of the connecting rod (10), and the body (11) is arranged at one end of the connecting head (12), one end, far away from the contact net body (11), of the connecting rod (10) is provided with a compensation rope (22), the compensation rope (22) is connected with one end of the balance rope (6) through a connecting box (20), and a compensation mechanism is arranged inside the connecting box (20);

a displacement sensor (13) is arranged below the compensation box (8), an indicating plate (14) is arranged at one end of the displacement sensor (13), a connecting rod (15) positioned on one side of the connector (12) is arranged at the top end of the indicating plate (14), sliding grooves (23) are symmetrically formed in the connecting rod (10), and a sliding rod (24) in sliding connection with the sliding grooves (23) is arranged on the compensation box (8);

the compensating mechanism comprises a through hole (28), a rotating shaft (29), a rope releasing wheel (30), a direction stabilizer and a locking device, the through hole (28) is formed in one side, close to the contact net body (11), of the connecting box (20), the compensating rope (22) is inserted into the through hole (28), the rotating shaft (29) is rotatably installed on the inner wall of the connecting box (20), the rope releasing wheel (30) connected with the compensating rope (22) is arranged on the rotating shaft (29), and the locking device is arranged on the rotating shaft (29).

2. The intelligent catenary compensation device for the railway of claim 1, wherein: the inner wall of the compensation box (8) is symmetrically provided with movable grooves (25), and two ends of the connection box (20) are provided with movable blocks (26) which are in sliding connection with the movable grooves (25).

3. The intelligent catenary compensation device for the railway of claim 1, wherein: the locking ware includes locking wheel (31), locking groove (34), fixed disk (35), electric putter (39) and locking lever (40), and fixed disk (35) are installed in the inner bottom end that links up case (20), and the cover is equipped with locking wheel (31) on rotation axis (29), and locking groove (34) have been seted up to the equidistant outer wall of locking wheel (31), and the top of fixed disk (35) is equipped with electric putter (39), and the output shaft of electric putter (39) is equipped with locking lever (40) that extend to locking groove (34) inside.

4. The intelligent catenary compensation device for the railway of claim 1, wherein: the direction stabilizer comprises a ratchet wheel (32), a clamping groove (33), a pawl (36), a stop rod (37) and a connecting spring (38), the ratchet wheel (32) is sleeved on the rotating shaft (29), the ratchet wheel (32) is located below the locking wheel (31), the clamping groove (33) is equidistantly formed in the outer wall of the ratchet wheel (32), the top end of the fixed disc (35) is rotatably connected with the pawl (36) connected with the clamping groove (33), the stop rod (37) located on one side of the pawl (36) is arranged on the fixed disc (35), and the pawl (36) is connected with the stop rod (37) through the connecting spring (38).

5. The intelligent catenary compensation device for the railway of claim 1, wherein: the limiting group (3) comprises a base (16), a first pulley (17), a fixing plate (18) and a second pulley (19), wherein the base (16) is installed on one side of the vertical rod (1), the first pulley (17) is arranged on the base (16), the fixing plates (18) are symmetrically arranged on two sides of the base (16), the two fixing plates (18) are connected through the second pulley (19), and the first pulley (17) and the second pulley (19) are connected through a balance rope (6).

6. The intelligent catenary compensation device for the railway of claim 1, wherein: the tension balancing mechanism (21) comprises an auxiliary part, a connecting plate (43), a stabilizing groove (44), a first spring (45), a second spring (46), an elastic connecting group and a control part, wherein the connecting plate (43) and the stabilizing plate (42) are both arranged in the balancing box (4), and stabilizer plate (42) are located the below of connecting plate (43), stabilizer groove (44) that the cover was located stabilizer plate (42) tip is seted up to the inner wall symmetry of balance box (4), the interior top of stabilizer groove (44) is connected with stabilizer plate (42) through spring (45), the interior bottom of stabilizer groove (44) is passed through spring two (46) and is connected with stabilizer plate (42), connect through elastic connection group between connecting plate (43) and stabilizer plate (42), the inside of balance box (4) is equipped with the control, the top of connecting plate (43) is passed through the auxiliary member and is connected with the one end of balanced rope (6).

7. The intelligent catenary compensation device for the railway of claim 6, wherein: the elastic connection group comprises two elastic telescopic rods (50), two T-shaped sliding grooves (51), four T-shaped joints (52), two rotating rods (53), a connecting shaft (54), a movable opening (55) and a spring III (59), the connecting plate (43) and the stabilizing plate (42) are connected through the two elastic telescopic rods (50), the T-shaped sliding grooves (51) are respectively formed in one side, close to each other, of the connecting plate (43) and the stabilizing plate (42), the two T-shaped joints (52) are symmetrically arranged in the T-shaped sliding grooves (51), and the four T-shaped joints (52) are rotatably connected through the rotating rods (53) in cross connection, and the rotating rod (53) is provided with a connecting shaft (54), the inner wall of the balance box (4) is provided with a movable port (55) which is in sliding connection with the connecting shaft (54), and two adjacent T-shaped joints (52) are connected through a spring III (59) positioned in the T-shaped sliding groove (51).

8. The intelligent catenary compensation device for the railway of claim 6, wherein: the auxiliary part comprises a winding box (56), a motor (57) and a winding wheel (58), the winding box (56) is installed at the top end of the connecting plate (43), the motor (57) is arranged on one side of the inner wall of the winding box (56), and the winding wheel (58) connected with the balance rope (6) is sleeved on an output shaft of the motor (57).

9. The intelligent catenary compensation device for the railway of claim 6, wherein: the control piece comprises a first touch switch (41), a first touch piece (47), a second touch switch (48) and a second touch piece (49), wherein the first touch switch (41) is symmetrically installed at the inner top end of the balance box (4), the second touch piece (49) electrically connected with the first touch switch (41) is arranged at the top end of the connecting plate (43), the first touch piece (47) is arranged at the top end of the stabilizing plate (42), and the second touch switch (48) electrically connected with the first touch piece (47) is arranged at the bottom end of the connecting plate (43).

10. The intelligent catenary compensation device for the railway of claim 1, wherein: the sliding rod (24) is an elastic rod, a fastening ring connected with the compensation box (8) is arranged outside the displacement sensor (13), and a clamping wheel (27) connected with the balance rope (6) in a sliding mode is arranged on the compensation box (8).

Technical Field

The invention belongs to the technical field of electrified railway equipment, and particularly relates to an intelligent contact network compensation device for a railway.

Background

The contact net is a high-voltage transmission line which is erected above a steel rail in an electrified railway and is used for a pantograph to draw current, the contact net pulley block lower anchor compensation device comprises a movable pulley assembly, a fixed pulley assembly and a weight limiting frame, and the contact net pulley block lower anchor compensation device is usually arranged on pillars on two sides of the steel rail and mainly used for applying rated tension to a carrier cable and a contact line, maintaining the constant tension and ensuring the smooth power taking of the pantograph.

The existing contact net compensation device has a small compensation range for the looseness of a contact net, has low compensation performance, and further can influence the working stability of the contact net.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the intelligent contact network compensation device for the railway, and the problem of poor working stability caused by the small looseness compensation range of the contact network in the background technology is effectively solved.

In order to achieve the purpose, the invention provides the following technical scheme: an intelligent contact net compensation device for a railway comprises a vertical rod, wherein a photovoltaic plate is arranged at the top end of the vertical rod, a mounting plate is arranged at the top of one side of the vertical rod, a compensation box is arranged at the bottom end of the mounting plate, a limiting group is arranged below the compensation box on one side of the vertical rod, a balance box is arranged at the bottom of one side of the vertical rod, a first open groove is formed in the inner top end of the balance box, a balance rope connected with the limiting group penetrates through the first open groove, the balance rope is connected with a tension balance mechanism arranged inside the balance box, a directional wheel connected with the balance rope is arranged on one side of the compensation box, a connecting rod is inserted into one side of the compensation box far away from the directional wheel, a connector is arranged at one end of the connecting rod, a contact net body is arranged at one end of the connector, a compensation rope is arranged at one end of the connecting rod far away from the contact net body, the compensation rope is connected with one end of the balance rope through the connection box, and a compensation mechanism is arranged inside the connection box;

a displacement sensor is arranged below the compensation box, an indicating plate is arranged at one end of the displacement sensor, a connecting rod positioned on one side of the connector is arranged at the top end of the indicating plate, sliding grooves are symmetrically formed in the connecting rod, and sliding rods in sliding connection with the sliding grooves are arranged on the compensation box;

the compensation mechanism comprises a through hole, a rotating shaft, a rope releasing wheel, a direction stabilizer and a locking device, the through hole is formed in one side, close to the contact net body, of the connecting box, the compensation rope is inserted into the through hole, the rotating shaft is rotatably installed on the inner wall of the connecting box, the rope releasing wheel connected with the compensation rope is arranged on the rotating shaft, and the locking device is arranged on the rotating shaft.

Preferably, the inner wall of the compensation box is symmetrically provided with movable grooves, and two ends of the connecting box are provided with movable blocks which are in sliding connection with the movable grooves.

Preferably, the locking ware includes locking wheel, locking groove, fixed disk, electric putter and locking lever, and the fixed disk is installed in the inner bottom end that links up the case, and the cover is equipped with the locking wheel on the rotation axis, and the locking groove has been seted up to the outer wall of locking wheel equidistant, and the top of fixed disk is equipped with electric putter, and electric putter's output shaft is equipped with the locking lever that extends to the locking inslot portion.

Preferably, the direction stabilizer comprises a ratchet wheel, a clamping groove, a pawl, a stop rod and a linking spring, the ratchet wheel is sleeved on the rotating shaft, the ratchet wheel is located below the locking wheel, the clamping groove is formed in the outer wall of the ratchet wheel at equal intervals, the top end of the fixed disc is rotatably connected with the pawl connected with the clamping groove in a clamped mode, the stop rod located on one side of the pawl is arranged on the fixed disc, and the pawl is connected with the stop rod through the linking spring.

Preferably, spacing group includes base, pulley one, fixed plate and pulley two, and the base is installed in one side of pole setting, is equipped with pulley one on the base, and the bilateral symmetry of base is equipped with the fixed plate, connects through pulley two between two fixed plates, and connects through balanced rope between pulley one and the pulley two.

Preferably, the tension balance mechanism includes the auxiliary member, the connecting plate, the steadying groove, spring one, spring two, elastic connection group and control, connecting plate and steadying plate are all installed in the inside of balance box, and the steadying plate is located the below of connecting plate, the steadying groove of steadying plate tip is located to the cover has been seted up to the inner wall symmetry of balance box, the interior top in steadying groove passes through spring one and is connected with the steadying plate, the interior bottom in steadying groove passes through spring two and is connected with the steadying plate, be connected through elastic connection group between connecting plate and the steadying plate, the inside of balance box is equipped with the control, the top of connecting plate is passed through the auxiliary member and is connected with the one end of balanced rope.

Preferably, the elastic connection group comprises two elastic telescopic rods, two T-shaped sliding grooves, four T-shaped joints, two rotating rods, a connecting shaft, a movable opening and a spring III, the connecting plate and the stabilizing plate are connected through the two elastic telescopic rods, the T-shaped sliding grooves are formed in the positions, close to one side, of the connecting plate and the stabilizing plate, the two T-shaped joints are symmetrically arranged in the T-shaped sliding grooves, the four T-shaped joints are connected through the rotating rods in cross connection in a rotating mode, the connecting shaft is arranged on the rotating rods, the movable opening in sliding connection with the connecting shaft is formed in the inner wall of the balancing box, and the spring III located inside the T-shaped sliding grooves is connected between the two adjacent T-shaped joints.

Preferably, the auxiliary member includes coiling box, motor and rolling wheel, and the coiling box is installed on the top of connecting plate, and inner wall one side of coiling box is equipped with the motor, and the cover is equipped with the rolling wheel of being connected with balanced rope on the output shaft of motor.

Preferably, the control part comprises a first touch switch, a first touch part, a second touch switch and a second touch part, the first touch switch, the second touch switch and the second touch part are symmetrically arranged at the inner top end of the balance box, the second touch part electrically connected with the first touch switch is arranged at the top end of the connecting plate, the first touch part is arranged at the top end of the stabilizing plate, and the second touch switch electrically connected with the first touch part is arranged at the bottom end of the connecting plate.

Preferably, the slide bar is an elastic bar, a fastening ring connected with the compensation box is arranged outside the displacement sensor, and a clamping wheel connected with the balance rope in a sliding manner is arranged on the compensation box.

Compared with the prior art, the invention has the beneficial effects that:

(1) in work, the balance rope, the mounting plate, the compensation box, the connecting rod, the contact net body, the connector and the tension balance mechanism are arranged, so that the tension of the contact net body is balanced, the contact net body is in a balanced state, the contact net body is protected, the extension of the compensation rope is effectively controlled by matching with the design of the compensation mechanism, the contact net body is further convenient to perform length compensation, the possibility of fracture of the contact net body is effectively avoided, the compensation range of the loose length of the contact net body is effectively enlarged by the design, the compensation effect is effectively increased, and the working stability of the contact net is further improved;

(2) through the design of the through hole, the rotating shaft, the rope releasing wheel, the direction stabilizer and the locking device, the tension balancing mechanism can conveniently realize the length compensation of the contact net body under the condition of performing the maximum tension compensation on the contact net body, so that the tension adjustment of the contact net body can be realized, and the service life of the contact net body is effectively prolonged;

(3) through the design of the base, the first pulley, the fixed plate and the second pulley, the balance rope is convenient to limit, and the working stability of the balance rope is improved;

(4) through the design of the winding box, the motor and the winding wheel, the balance rope can be wound after the connecting box is moved to the side wall of the movable groove, the contact net body is effectively in a stretched state, the contact net body is prevented from loosening, and convenience is brought to the use of the contact net body;

(5) the first touch switch is in contact with the second touch piece, so that the compensation mechanism can work, the second touch switch is in contact with the first touch piece, the auxiliary piece can work, the effective contact net body in the contact net is loosened to compensate and adjust, and the working stability of the contact net is effectively improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.

In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of FIG. 1 at A according to the present invention;

FIG. 3 is a schematic view showing the internal structure of the joint box of the present invention;

FIG. 4 is a top view of the compensating mechanism of the present invention;

FIG. 5 is an enlarged view of the structure of FIG. 1 at B according to the present invention;

in the figure: 1. erecting a rod; 2. a photovoltaic panel; 3. a set of limit bits; 4. a balancing box; 5. grooving I; 6. a balancing rope; 7. mounting a plate; 8. a compensation box; 9. a directional wheel; 10. a connecting rod; 11. a contact net body; 12. a connector; 13. a displacement sensor; 14. an indicator panel; 15. a connecting rod; 16. a base; 17. a first pulley; 18. a fixing plate; 19. a second pulley; 20. a connecting box; 21. a tension balancing mechanism; 22. a compensating rope; 23. a chute; 24. a slide bar; 25. a movable groove; 26. a movable block; 27. a clamping wheel; 28. a through hole; 29. a rotating shaft; 30. releasing a rope wheel; 31. a locking wheel; 32. a ratchet wheel; 33. a card slot; 34. a locking groove; 35. fixing the disc; 36. a pawl; 37. a stop bar; 38. connecting the springs; 39. an electric push rod; 40. a lock lever; 41. a first touch switch; 42. a stabilizing plate; 43. a connecting plate; 44. a stabilizing slot; 45. a first spring; 46. a second spring; 47. a first touch piece; 48. a second touch switch; 49. a second touch piece; 50. an elastic telescopic rod; 51. a T-shaped chute; 52. a T-shaped joint; 53. rotating the rod; 54. a connecting shaft; 55. a movable opening; 56. a coiling box; 57. a motor; 58. a winding wheel; 59. and a third spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the first embodiment, as shown in fig. 1 to 5, the invention includes a vertical rod 1, a photovoltaic panel 2 is disposed at the top end of the vertical rod 1, the design of the photovoltaic panel 2 is used to facilitate receiving illumination and effectively achieve the purpose of energy saving, a mounting plate 7 is disposed at the top of one side of the vertical rod 1, a compensation box 8 is disposed at the bottom end of the mounting plate 7, a limiting group 3 is disposed at one side of the vertical rod 1 and below the compensation box 8, the moving stability of a balance rope 6 is improved by the design of the limiting group, a balance box 4 is disposed at the bottom of one side of the vertical rod 1, a slot 5 is disposed at the inner top end of the balance box 4, a balance rope 6 connected with the limiting group 3 penetrates through the slot 5, the balance rope 6 is connected with a tension balance mechanism 21 disposed inside the balance box 4, the tightness and tightness of the contact net body 11 can be conveniently adjusted by the design of the tension balance mechanism 21, so that the contact net body 11 can be in a balanced state, the situation that the contact net body 11 is loose or tight is avoided, the use flexibility of the contact net body 11 is further improved, one side of the compensation box 8 is provided with the directional wheel 9 connected with the balance rope 6, one side of the compensation box 8, which is far away from the directional wheel 9, is inserted with the connecting rod 10, one end of the connecting rod 10 is provided with the connector 12, one end of the connector 12 is provided with the contact net body 11, one end of the connecting rod 10, which is far away from the contact net body 11, is provided with the compensation rope 22, the compensation rope 22 is connected with one end of the balance rope 6 through the connecting box 20, the compensation box 8 is provided with the clamping wheel 27 in sliding connection with the balance rope 6, the inner wall of the compensation box 8 is symmetrically provided with the movable groove 25, two ends of the connecting box 20 are provided with the movable block 26 in sliding connection with the movable groove 25, the movement of the connecting box 20 can be realized through the design of the movable groove 25 and the movable block 26, and it needs to be noted here that the loose length of the contact net body 11 is less than half of the movable groove 25, the inside of the connecting box 20 is provided with a compensation mechanism, and through the design of the compensation mechanism, the length compensation is conveniently carried out on the contact net body 11 under the condition of large tension, so that the contact net body 11 can be prevented from being broken;

a displacement sensor 13 is arranged below the compensation box 8, a fastening ring connected with the compensation box 8 is arranged outside the displacement sensor 13, an indicating plate 14 is arranged at one end of the displacement sensor 13, an engaging rod 15 positioned on one side of the connector 12 is arranged at the top end of the indicating plate 14, sliding grooves 23 are symmetrically formed in the connecting rod 10, sliding rods 24 connected with the sliding grooves 23 in a sliding manner are arranged on the compensation box 8, the sliding rods 24 are elastic rods, and it needs to be noted that the sliding rods 24 slide in the sliding grooves 23, when the tension on one side of the balance rope 6 is large, the sliding rods 24 can elastically contract, and further the sliding rods 24 are separated from the connection of the sliding grooves 23, so that the contact net body 11 can be tensioned, and the use stability of the contact net body 11 is improved;

through the design of the displacement sensor 13, when the contact net body 11 is tensioned, the contact net body 11 pulls the connector 12 and then pulls the connecting rod 10 to move, then the connector 12 can push the connecting rod 15 to move, and then the connecting rod 15 drives the indicating plate 14, so that the indicating plate 14 drives the telescopic rod to move, and further the displacement sensor 13 can conveniently mark the extension length of the contact net body 11, so that the contact net body 11 is compensated, the contact net body 11 is prevented from being broken, and the contact net body 11 is protected;

compensating mechanism includes through-hole 28, rotation axis 29, unreel rope wheel 30, direction stabilizer and locking ware, link up the case 20 and be close to one side of contact net body 11 and seted up through-hole 28, compensation rope 22 alternates in the inside of through-hole 28, rotation axis 29 rotates and installs in the inner wall that links up case 20, be equipped with the rope wheel 30 of unreeling of being connected with compensation rope 22 on the rotation axis 29, and be equipped with the locking ware on the rotation axis 29, design through compensating mechanism, be convenient for carry out length compensation under the great condition of 11 pulling forces of contact net body, and then can avoid contact net body 11 the cracked condition to appear.

In the second embodiment, on the basis of the first embodiment, as shown in fig. 3 and 4, the locking device includes a locking wheel 31, a locking groove 34, a fixed disk 35, an electric push rod 39 and a locking rod 40, the fixed disk 35 is installed at the inner bottom end of the connecting box 20, the locking wheel 31 is sleeved on the rotating shaft 29, the locking groove 34 is opened on the outer wall of the locking wheel 31 at equal intervals, the electric push rod 39 is installed at the top end of the fixed disk 35, the locking rod 40 extending into the locking groove 34 is installed on the output shaft of the electric push rod 39, the direction stabilizer includes a ratchet 32, a clamping groove 33, a pawl 36, a stop rod 37 and a connecting spring 38, the ratchet 32 is sleeved on the rotating shaft 29, the ratchet wheel 32 is positioned below the locking wheel 31, the outer wall of the ratchet wheel 32 is provided with clamping grooves 33 at equal intervals, the top end of the fixed disc 35 is rotatably connected with a pawl 36 clamped with the clamping grooves 33, the fixed disc 35 is provided with a stop rod 37 positioned on one side of the pawl 36, and the pawl 36 is connected with the stop rod 37 through a connecting spring 38;

when the contact net body 11 is under a large pulling force, the electric push rod 39 is controlled to act, the electric push rod 39 drives the lock rod 40 to contract, the lock rod 40 is disconnected from the lock groove 34, then the rotating shaft 29 can drive the lock wheel 31 and the ratchet wheel 32 to synchronously rotate under the pulling force of the compensation rope 22, the pawl 36 is continuously contacted with the outer wall of the ratchet wheel 32, the pawl 36 can be conveniently turned over through the design of the stop rod 37, meanwhile, the collision force between the pawl 36 and the stop rod 37 is effectively reduced through the connecting spring 38, meanwhile, due to the clamping effect of the pawl 36 and the clamping groove 33, the ratchet wheel 32 can be prevented from reversely rotating, the rope releasing wheel 30 can be conveniently released to be incapable of being used for rope receiving operation, the contact net body 11 can be effectively length compensated, the possibility of breakage of the contact net body 11 under the condition of large external pulling force is avoided, and the contact net body 11 is further protected, the use safety of effectual improvement contact net body 11.

Third embodiment, on the basis of first embodiment, given by fig. 1, spacing group 3 includes base 16, pulley one 17, fixed plate 18 and pulley two 19, base 16 installs in one side of pole setting 1, be equipped with pulley one 17 on the base 16, the bilateral symmetry of base 16 is equipped with fixed plate 18, connect through pulley two 19 between two fixed plates 18, and connect through balanced rope 6 between pulley one 17 and the pulley two 19, through the design of pulley one 17 and pulley two 19, be convenient for carry out the activity centre gripping to balanced rope 6, the stationarity of balanced rope 6 has been improved, avoid balanced rope 6 to appear the aversion phenomenon, and then provide convenience for the length compensation and the tension balance of contact net body 11.

Fourth embodiment, based on the first embodiment, as shown in fig. 1 and 5, the tension balancing mechanism 21 includes an auxiliary member, a connecting plate 43, a stabilizing groove 44, a first spring 45, a second spring 46, an elastic connecting set and a control member, wherein the connecting plate 43 and the stabilizing plate 42 are both installed inside the balancing box 4, the stabilizing plate 42 is located below the connecting plate 43, the inner wall of the balancing box 4 is symmetrically provided with the stabilizing grooves 44 sleeved on the end portions of the stabilizing plate 42, the inner top end of the stabilizing groove 44 is connected with the stabilizing plate 42 through the first spring 45, the inner bottom end of the stabilizing groove 44 is connected with the stabilizing plate 42 through the second spring 46, the connecting plate 43 is connected with the stabilizing plate 42 through the elastic connecting set, the control member is installed inside the balancing box 4, the top end of the connecting plate 43 is connected with one end of the balancing rope 6 through the auxiliary member, the elastic connecting set includes two elastic telescopic rods 50, two T-shaped sliding grooves 51, four T-shaped joints 52, Two rotating rods 53, a connecting shaft 54, a movable opening 55 and a spring III 59, wherein the connecting plate 43 is connected with the stabilizing plate 42 through two elastic telescopic rods 50, one side, close to the connecting plate 43 and the stabilizing plate 42, of each connecting plate is provided with a T-shaped sliding groove 51, two T-shaped joints 52 are symmetrically arranged inside each T-shaped sliding groove 51, the four T-shaped joints 52 are rotatably connected through the rotating rods 53 in cross connection, the rotating rods 53 are provided with the connecting shafts 54, the inner wall of the balancing box 4 is provided with the movable opening 55 in sliding connection with the connecting shafts 54, two adjacent T-shaped joints 52 are connected through the spring III 59 positioned inside the T-shaped sliding grooves 51, the auxiliary part comprises a winding box 56, a motor 57 and a winding wheel 58, the winding box 56 is arranged at the top end of the connecting plate 43, one side of the inner wall of the box 56 is provided with a winding motor 57, the winding wheel 58 connected with the balancing rope 6 is sleeved on an output shaft of the motor 57, the control part comprises a first touch switch 41, a first touch piece 47, a second touch switch 48 and a second touch piece 49, the first touch switch 41 is symmetrically arranged at the inner top end of the balance box 4, the top end of the connecting plate 43 is provided with the second touch piece 49 electrically connected with the first touch switch 41, the top end of the stabilizing plate 42 is provided with the first touch piece 47, and the bottom end of the connecting plate 43 is provided with the second touch switch 48 electrically connected with the first touch piece 47;

when the contact net body 11 extends, the original tensioning state becomes loose, and then the balancing rope 6 becomes loose from the tensioning state, and then the elastic connection set contracts, and the spring two 46 contracts, and then the connection plate 43 can drive the winding box 56, the motor 57 and the winding wheel 58 to move downwards, and further drive the balancing rope 6 to move downwards, so that the balancing rope 6 pulls the connection box 20 to move, and the movable block 26 on the connection box 20 slides in the movable groove 25, and further through the connection of the compensation rope 22, the connection rod 10 and the connection head 12 can be pulled to move, so that the connection head 12 pulls one end of the contact net body 11, and tensioning of the contact net body 11 is realized, and the balance of the contact net body 11 is effectively realized, when the extension amount of the contact net body 11 is large, the elastic telescopic rod 50 can continue to contract, and further the connection plate 43 can approach the stabilizing plate 42, and the second touch switch 48 on the connection plate 43 touches the first touch piece 47, the motor 57 is started to act, the motor 57 drives the winding wheel 58 to rotate, the winding wheel 58 winds the balance rope 6, the length of the balance rope 6 can be shortened, one end of the balance rope 6 can be pulled to contact the net body 11 through the connecting box 20, the connecting rod 10 and the connector 12, and the contact net body 11 is in a balance state;

when the contact net body 11 is pulled by an external force, the contact net body 11 pulls the connector 12 and the connecting rod 10 to move, and then the connecting box 20 is pulled by the compensating rope 22 to move, the connecting box 20 can pull one end of the balancing rope 6, then the bottom end of the balancing rope 6 pulls the winding wheel 58, the winding box 56 and the motor 57 to move upwards, then the winding box 56 pulls the connecting plate 43 to move upwards, and the T-shaped joint 52 can slide in the T-shaped chute 51 through the compression of the spring III 59, so that the distance between the connecting plate 43 and the stabilizing plate 42 can be increased, and further the balancing rope 6 can move upwards, so that the connecting box 20 at one end of the balancing rope 6 slides in the compensating box 8, the balancing rope 6 is convenient to balance the tension of the contact net body 11, the contact net body 11 is prevented from being broken, when the external tension is larger, the spring III 59 can be continuously compressed, and the distance between the connecting plate 43 and the stabilizing plate 42 can be increased, make connecting plate 43 shift up, after touch piece two 49 on connecting plate 43 and touch switch 41 contact, can control compensation mechanism work, and then can realize compensating rope 22's unwrapping wire operation, can avoid contact net body 11 to be in the condition of tightening, and then can avoid contact net body 11's fracture, realize the protection to contact net body 11.

The working principle is as follows: when the contact net body 11 is in operation, the original tensioning state becomes loose, so that the balance rope 6 becomes loose from the tensioning state, then the elastic connection set is contracted, the spring two 46 is contracted, and then the connection plate 43 drives the winding box 56, the motor 57 and the winding wheel 58 to move downwards, so that the balance rope 6 is driven to move downwards, the balance rope 6 pulls the connection box 20 to move, the movable block 26 on the connection box 20 slides in the movable groove 25, and further the connection rod 10 and the connection head 12 can be pulled to move through the connection of the compensation rope 22, so that the connection head 12 pulls one end of the contact net body 11, the tensioning of the contact net body 11 is realized, the balance of the contact net body 11 is effectively realized, when the contact net body 11 is extended by a large amount, the elastic telescopic rod 50 is continuously contracted, and the connection plate 43 is close to the stabilizing plate 42, the connecting shaft 54 is made to slide in the movable opening 55, after the second touch switch 48 on the connecting plate 43 touches the first touch piece 47, the motor 57 is started to move, the motor 57 drives the winding wheel 58 to rotate, and then the winding wheel 58 winds the balance rope 6, so that the length of the balance rope 6 can be shortened, one end of the balance rope 6 can be pulled to the contact net body 11 through the connecting box 20, the connecting rod 10 and the connecting head 12, and the contact net body 11 is made to be in a balance state;

when the contact net body 11 is pulled by an external force, the contact net body 11 pulls the connector 12 and the connecting rod 10 to move, and then the connecting box 20 is pulled by the compensating rope 22 to move, the connecting box 20 can pull one end of the balancing rope 6, then the bottom end of the balancing rope 6 pulls the winding wheel 58, the winding box 56 and the motor 57 to move upwards, then the winding box 56 pulls the connecting plate 43 to move upwards, and the T-shaped joint 52 can slide in the T-shaped chute 51 through the compression of the spring III 59, so that the distance between the connecting plate 43 and the stabilizing plate 42 can be increased, and further the balancing rope 6 can move upwards, so that the connecting box 20 at one end of the balancing rope 6 slides in the compensating box 8, the balancing rope 6 is convenient to balance the tension of the contact net body 11, the contact net body 11 is prevented from being broken, when the external tension is larger, the spring III 59 can be continuously compressed, and the distance between the connecting plate 43 and the stabilizing plate 42 can be increased, the connecting plate 43 moves upwards, after a second touch piece 49 on the connecting plate 43 contacts with a first touch switch 41, the electric push rod 39 is controlled to act, the electric push rod 39 drives the lock rod 40 to contract, the lock rod 40 is disconnected with the lock groove 34, then the rotating shaft 29 drives the locking wheel 31 and the ratchet wheel 32 to synchronously rotate under the action of the tension of the compensation rope 22, the pawl 36 is continuously contacted with the outer wall of the ratchet wheel 32, the pawl 36 is convenient to turn over through the design of the stop rod 37, meanwhile, the collision force between the pawl 36 and the stop rod 37 is effectively reduced through the connecting spring 38, meanwhile, due to the clamping action of the pawl 36 and the clamping groove 33, the ratchet wheel 32 is prevented from rotating reversely, further, the rope releasing operation of the rope releasing wheel 30 is convenient, the rope releasing operation cannot be carried out, further, the length compensation is effectively carried out on the contact net body 11, and the possibility that the contact net body 11 is broken under the condition of large external tension is avoided, and then realize the protection to contact net body 11, the effectual safety in utilization that improves contact net body 11, contact net body 11 can make connector 12 remove under the exogenic pulling effect simultaneously, and then make indicator board 14 remove through the effect of joint pole 15, and then the displacement sensor 13 of being convenient for measures the tensile displacement of contact net body 11, and then the staff of being convenient for knows the behavior of contact net body 11.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.