CN113575172B - Dolly is pruned to peripheral branch of power line - Google Patents
Dolly is pruned to peripheral branch of power line Download PDFInfo
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- CN113575172B CN113575172B CN202110898318.6A CN202110898318A CN113575172B CN 113575172 B CN113575172 B CN 113575172B CN 202110898318 A CN202110898318 A CN 202110898318A CN 113575172 B CN113575172 B CN 113575172B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G3/00—Cutting implements specially adapted for horticultural purposes; Delimbing standing trees
- A01G3/08—Other tools for pruning, branching or delimbing standing trees
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Abstract
A trolley for pruning branches around a power line relates to a tree pruning trolley, wherein grooved wheels (8) are respectively arranged in a hook plate (3) at the upper ends of two vertical plates (9) of an H-shaped hanging frame, a rotary rod (15) penetrates through a hanging tube (13) at the lower ends of the two vertical plates, a connecting disc (38) is arranged outside the hanging tube at one end of the rotary rod, a motor (36) with a blade (31) is arranged outside the connecting disc, long screw rods (33) are respectively arranged on two sides of the inner side surface of the connecting disc, the outside of the hanging tube at the other end of the rotary rod is connected with the upper end of a screwing rod (28) through a universal joint coupler, the two screwing rods are connected through a shaft capable of swinging left and right, a handle (30) is arranged at the lower end of the screwing rod, and a power line control switch (29) is arranged on the screwing rod close to the handle and connected with a power line (14) of the motor; the invention is hung on a guide line through a grooved wheel of an H-shaped hanging frame, and a blade of a motor is controlled by a handle to enable branches to be cut.
Description
Technical Field
The invention relates to a tree pruning vehicle, in particular to a pruning vehicle for branches around a power line.
Background
As is known, power supply of residents, enterprises, government offices and the like is realized by virtue of wires, in order to not affect or occupy less roads, the wires are mainly erected in parallel with roadside greenbelts or trees, and as the luxuriant branches and leaves in the tree growth process are wound together with the wires, once the rainy season comes, sparks occur, and mainly, the top growth of the branches and leaves exceeds the height of the wires, so that the wires cross in the trees and are wound together with the branches and leaves; if the leaves and the conducting wire are wound together to touch and rub for a long time, the conducting condition is easy to occur, which is very unsafe for the passing pedestrians; some high-voltage wires are not wrapped by an outer insulating layer, and even the wires with insulating skins are worn due to continuous friction of branches. When raining, the exposed metal wires lead the current of the wires to the ground through the wetted branches, so that great potential safety hazards are brought to the personal safety; in order to ensure the power supply safety, an electric power department checks the situation according to the field every year, if the growth of trees affects the power supply safety, the electric power department cuts down branches below the wires twice in spring and autumn under the condition of reporting and stopping the wires; the existing leaf and branch clearing mode mostly adopts a knife holding and felling mode, the progress of the mode is slow, and the occurrence of falling accidents of operators is easy to occur due to the fact that some branches are infirm after the branches ascend.
Disclosure of Invention
In order to overcome the defects in the background art, the invention discloses a pruning trolley for branches at the periphery of a power line.
The technical scheme for realizing the invention is as follows:
the utility model provides a dolly is pruned to peripheral branch of power line, includes stores pylon, sheave, rotary rod, connection pad, motor, blade, long screw, universal joint coupler, revolves twisting rod, handle, power cord and control switch, be equipped with the sheave that articulates the wire in the hook plate of the coexistence board upper end of H shape stores pylon respectively, be equipped with the davit respectively at coexistence board lower extreme, the rotary rod is worn in two davits, be equipped with the connection pad in rotary rod one end davit outside, the motor is installed in the connection pad outside, be equipped with the blade on the power output shaft of motor, the medial surface both sides of connection pad are equipped with the long screw of steerable connection pad rotation angle respectively, the davit outside of the rotary rod other end is connected with the upper end of revolving twisting the pole through universal joint coupler, revolve twisting pole be close to the upper end and divide into two sections, two sections revolve twisting pole set up for the hub connection that can rock about, be equipped with the handle at the lower extreme of revolving twisting pole, the power cord winding of connecting the motor is on rotary rod and revolving twisting pole, the power cord is outer, be equipped with control switch on revolving twisting pole close to the handle.
The upper ends of two vertical plates of the H-shaped hanging rack are respectively provided with an inclined plate facing one side, the upper ends of the two inclined plates are respectively provided with a long vertical plate, the upper parts of the two long vertical plates are respectively connected with the lower part of one side of the semicircular plate, and the lower parts of the other sides of the two semicircular plates are provided with short vertical plates to form hook plates; the long vertical plates and the short vertical plates of the two hook plates are respectively provided with corresponding through holes, two ends of inner holes of the two grooved pulleys are respectively provided with a bearing A, and the two shafts are respectively penetrated in the through holes of the two short vertical plates, the bearing A of the inner holes of the two grooved pulleys and the through holes of the two long vertical plates and then are respectively penetrated in pin holes A at the end parts of the two shafts through cotters.
The power line peripheral branch trimming trolley is characterized in that a connecting plate is arranged between the middle parts of two vertical plates of the H-shaped hanging frame, the connecting plate and the vertical plates at two ends form the H-shaped hanging frame, expanding sections are respectively arranged at the outer ends of pipe holes of hanging pipes respectively arranged at the lower ends of the two vertical plates, the expanding sections of the two hanging pipes are respectively fixedly connected with outer rings of two bearings B, and inner rings of the two bearings B are fixedly connected to outer edge surfaces, close to two ends, of a rotating rod.
The power line wound on the rotary rod and the rotary screwing rod is fixed through a plurality of wire locking belts.
The pruning trolley for the branches at the periphery of the power line is used for fixing the power line on the rotating rod and the screwing rod through an adhesive tape as a replacement.
The universal joint coupler comprises a sleeve A, a cross shaft, a sleeve B and a screw shaft, the sleeve A is sleeved at the other end of the rotary rod, a cotter pin penetrates through pin holes formed in two side walls of the sleeve A and a pin hole B formed in the other end of the rotary rod, two joint rods A are respectively arranged on two sides of the outer end of the sleeve A, and the two joint rods A are respectively movably connected with the end faces of two ends of a straight rod body of the cross shaft through the screw shaft; the sleeve B is sleeved at the upper end of the screwing rod, the pin holes formed in the two side walls of the sleeve B are connected with the pin holes formed in the upper end of the screwing rod in a penetrating mode through split pins, the two sides of the upper end of the sleeve B are respectively provided with a joint rod B, and the two joint rods B are movably connected with the end faces of the two ends of the other straight rod body of the cross shaft through screw shafts.
The trolley for trimming the branches at the periphery of the power line is characterized in that screwing heads are arranged at the outer ends of four screw shafts, screw rods are arranged in the middle of the four screw shafts, shaft levers are arranged at the inner ends of the four screw shafts, the screw rods of the four screw shafts are respectively connected with screw holes in the end parts of two joint rods A and screw holes in the end parts of two joint rods B, and the four shaft levers are arranged in blind holes in the end surfaces of the outer ends of four rod bodies of the cross shaft in a penetrating mode.
The pruning trolley for the branches at the periphery of the power line is characterized in that a connecting plate is arranged on the inner side surface of a motor, long screw rods are respectively arranged on two sides of the middle of the connecting plate, short screw rods are respectively arranged on the upper side and the lower side of the connecting plate, and fixing holes corresponding to the long screw rods and the short screw rods of the connecting plate are respectively arranged on two sides of the middle of the connecting plate and two sides of the upper side and the lower side of the connecting plate; the long screw rods on the two sides of the middle part of the connecting plate respectively penetrate through the fixing holes on the two sides of the middle part of the connecting plate and then are exposed by nuts to obtain the end parts of the long screw rods; the short screws on the upper side and the lower side of the connecting plate respectively penetrate through the other four fixing holes of the connecting plate and then are locked by nuts, the positions, close to the connecting plate, of the rotating rods are provided with expanding rings, and the lengths of the two long screws are larger than the lengths of the expanding rings by at least one centimeter.
The dolly is pruned to peripheral branch of power line, be equipped with the extension bar in the upper end of twisting the pole, the lower pot head of extension bar is on the reducing pole that twists the pole upper end setting, pinhole D that a plurality of cotter pins set up on the reducing pole respectively and the pinhole C that the extension bar is close to the lower extreme setting acquire the fixed connection who twists pole and extension bar, the hub connection setting that can control and rock is close to the upper end at the extension bar.
The trolley is characterized in that the extension bar is arranged to be two sections close to the upper end, a protruding block is arranged on the upper end face of the lower extension bar, a groove is formed in the lower end face of the upper extension bar, and shaft holes which are respectively formed in the middle of the penetrating shaft cross-connecting protruding block and the two side walls of the groove are used for acquiring shaft connecting structures which can swing left and right.
Through the above disclosure, the beneficial effects of the invention are:
the invention relates to a power line peripheral branch trimming trolley, which is characterized in that two grooved wheels at the upper part of an H-shaped hanging rack are hung with a lead, branches and leaves close to the lead are trimmed by a blade of a motor arranged on a connecting disc, and a handle controls a screwing rod, an extension rod and a rotating rod to enable the H-shaped hanging rack to move forwards or backwards so as to enable the motor to trim the branches and leaves under the control of the handle, wherein a universal joint coupler can obtain the angle adjustment of the handle during various actions; the extension bar is connected with a shaft arranged close to the upper part and can control a blade of a motor to rotate within a range of one hundred eighty degrees to trim branches and leaves; the method is suitable for trimming the street trees influencing the safety of the wires in the urban streets, and the operation is assisted by the operation vehicle with the lifting platform at all times, so that the operation progress is effectively accelerated, the operation time is shortened, and a foundation is provided for a user to quickly recover power supply.
Drawings
FIG. 1 is a perspective assembly view of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is an enlargement of section A of FIG. 1;
FIG. 4 is a schematic view of the docking structure of the shaft connection of FIG. 3;
FIG. 5 is a schematic view of the internal structure of the drop tube of the present invention;
FIG. 6 is a perspective view of the rotary lever of the present invention;
FIG. 7 is a schematic view of the screw shaft configuration of the present invention;
in the figure: 1. connecting plates; 2. a cotter pin; 3. a hook plate; 4. perforating; 5. a pin hole A; 6. a shaft; 7. a bearing A; 8. a sheave; 9. a vertical plate; 10. a nut; 11. a tube hole; 12. an expanding section; 13. hanging a pipe; 14. a power line; 15. rotating the rod; 16. a pin hole B; 17. a bearing B; 18. a sleeve A; 19. a joint rod A; 20. a screw shaft; 21. a cross shaft; 22. a joint bar B; 23. a sleeve B; 24. lengthening a rod; 25. a pin hole C; 26. a pin hole D; 27. a reducing rod; 28. screwing the rod; 29. a control switch; 30. a handle; 31. a blade; 32. a power take-off shaft; 33. a long screw; 34. a short screw; 35. a connecting plate; 36. a motor; 37. expanding the diameter of the ring; 38. a connecting disc; 39. a sloping plate; 40. a long vertical plate; 41. a short vertical plate; 42. a semicircular plate; 43. a wire locking strap; 44. a groove; 45. a raised block; 46. penetrating a shaft; 47. a fixing hole; 48. a screw; 49. a shaft lever; 50. and screwing the head.
Detailed Description
The present invention will be further illustrated with reference to the following examples; the following examples are not intended to limit the present invention, and are only used as a support for the implementation of the present invention, and any equivalent structure replacement within the technical framework of the present invention is included in the protection scope of the present invention;
the pruning trolley for the branches around the power line described in the attached drawings 1 to 7 comprises a hanging rack, a grooved pulley 8, a rotary rod 15, a connecting disc 38, a motor 36, a blade 31, a long screw 33, a universal joint coupler, a screwing rod 28, a handle 30, a power line 14 and a control switch 29, wherein the grooved pulley 8 for hanging a conducting wire is respectively arranged in a hook plate 3 at the upper end of two vertical plates 9 of an H-shaped hanging rack, hanging pipes 13 are respectively arranged at the lower ends of the two vertical plates 9, the rotary rod 15 is penetrated in the two hanging pipes 13, the connecting disc 38 is arranged outside the hanging pipe 13 at one end of the rotary rod 15, the blade 31 is arranged on a power output shaft 32 of the motor 36, a base plate which is self-carried by the connecting plate 35 is arranged on the inner side surface of the motor 36, the long screw 33 is respectively arranged on two sides of the middle part of the connecting plate 35, the short screws 34 are respectively arranged on the upper and lower sides of the connecting plate 35, and fixing holes 47 which correspond to the long screw 33 and the short screws 34 of the connecting plate 35 are respectively arranged on two sides of the middle part and the upper and the lower sides of the connecting disc 38; the long screws 33 on the two sides of the middle part of the connecting plate 35 respectively pass through the fixing holes 47 on the two sides of the middle part of the connecting plate 38, and then the end parts of the long screws 33 are exposed by the nuts 10; short screws 34 on the upper side and the lower side of the connecting plate 35 respectively penetrate through other four fixing holes 47 of the connecting plate 35 and then are locked by nuts 10, an expanding ring 37 is arranged at a position, close to the connecting plate 38, of the rotating rod 15, the length of the two long screws 33 is at least one centimeter greater than that of the expanding ring 37, namely the two long screws 33 are respectively connected with one end of the H-shaped hanger and the vertical plate 9 to limit and obtain that the blade 31 of the motor 36 rotates in a lower range between one side and the other side of the space outside the vertical plate 9, the outside of the hanging pipe 13 at the other end of the rotating rod 15 is connected with the upper end of the screwing rod 28 through a universal joint coupler, the screwing rod 28 is divided into two sections close to the upper end, the two sections of the screwing rod 28 are connected through a shaft capable of swinging left and right, a handle 30 is arranged at the lower end of the screwing rod 28, a power line 14 connected with the motor 36 is wound on the rotating rod 15 and the screwing rod 28, the power line 14 is externally connected with a power supply, and a power line 14 control switch 29 is arranged on the screwing rod 28 close to the handle 30.
With reference to fig. 1, 2, 5 or 6, the upper ends of two vertical plates 9 of the H-shaped hanger are respectively provided with an inclined plate 39 facing one side, the upper ends of the two inclined plates 39 are respectively provided with a long vertical plate 40, the upper parts of the two long vertical plates 40 are respectively connected with the lower part of one side of a semicircular plate 42, and the lower parts of the other sides of the two semicircular plates 42 are provided with short vertical plates 41 to form a hook plate 3; the long vertical plates 40 and the short vertical plates 41 of the two hook plates 3 are respectively provided with through holes 4 corresponding to each other, two ends of inner holes of the two grooved wheels 8 are respectively provided with a bearing A7, and the two shafts 6 are respectively penetrated in pin holes A5 at the end parts of the two shafts 6 by cotters 2 after being respectively penetrated and connected with the through holes 4 of the two short vertical plates 41, the bearings A7 of the inner holes of the two grooved wheels 8 and the through holes 4 of the two long vertical plates 40; the sloping plate 39 arranged in the groove wheel can enable the middle part of the groove wheel 8 to correspond to the vertical plate 9; the connecting plate 1 is arranged between the middle parts of two vertical plates 9 of the H-shaped hanger, the H-shaped hanger is formed by the connecting plate 1 and vertical plates 9 at two ends, the outer ends of pipe holes 11 of hanging pipes 13 respectively arranged at the lower ends of the two vertical plates 9 are respectively provided with an expanding section 12, the expanding sections 12 of the two hanging pipes 13 are respectively fixedly connected with the outer rings of two bearings B17, and the inner rings of the two bearings B17 are fixedly connected on the outer edge surfaces, close to the two ends, of a rotating rod 15.
Referring to fig. 2, in order to prevent the power cord 14 from being caught on branches, the power cord 14 wound around the rotating rod 15 and the screwing rod 28 is fixed by a plurality of cord locking tapes 43; or alternatively, the power cord 14 is partially fixed by means of adhesive tape on the rotary rod 15 and the screw rod 28.
With reference to fig. 1, 2 or 7, the universal joint coupler includes a sleeve a18, a cross shaft 21, a sleeve B23 and a screw shaft 20, the sleeve a18 is sleeved at the other end of the rotating rod 15, a cotter pin 2 penetrates through pin holes formed in two side walls of the sleeve a18 and a pin hole B16 formed in the other end of the rotating rod 15, two sides of the outer end of the sleeve a18 are respectively provided with a joint rod a19, and the two joint rods a19 are respectively movably connected with the end faces of two ends of a straight rod body of the cross shaft 21 through the screw shaft 20; the sleeve B23 is sleeved at the upper end of the screwing rod 28, the cotter pin 2 penetrates through pin holes formed in two side walls of the sleeve B23 and a pin hole formed in the upper end of the screwing rod 28, two joint rods B22 are respectively arranged on two sides of the upper end of the sleeve B23, and the two joint rods B22 are movably connected with the end faces of two ends of the other straight rod body of the cross shaft 21 through the screw shaft 20; the outer ends of the four screw shafts 20 are provided with screwing heads 50, the middle parts of the four screw shafts 20 are provided with screw rods 48, the inner ends of the four screw shafts 20 are provided with shaft rods 49, the screw rods 48 of the four screw shafts 20 are respectively connected with screw holes at the end parts of two joint rods A19 and screw holes at the end parts of two joint rods B22, and the four shaft rods 49 penetrate through blind holes in the end faces of the outer ends of the four rod bodies of the cross shaft 21.
With reference to fig. 1, 2, 3 or 4, an extension bar 24 is arranged at the upper end of the screwing rod 28, the lower end of the extension bar 24 is sleeved on a reducing rod 27 arranged at the upper end of the screwing rod 28, a plurality of cotter pins 2 are respectively penetrated through pin holes D26 arranged on the reducing rod 27 and pin holes C25 arranged at the lower end of the extension bar 24 close to the lower end to obtain the fixed connection of the screwing rod 28 and the extension bar 24, the extension bar 24 is arranged into two sections close to the upper end, a raised block 45 is arranged on the upper end face of the lower extension bar 24, a groove 44 is arranged on the lower end face of the upper extension bar 24, and a shaft connecting structure which can swing left and right is arranged by penetrating shafts 46 through shaft holes respectively arranged in the middle of the raised block 45 and two side walls of the groove 44.
According to the invention, with reference to the attached drawings 1 to 7, the branch trimming trolley around the power line is obtained by cutting and bending an iron plate with the thickness of five centimeters at zero point by considering that the whole weight is controlled within 15 kilograms, and two hanging pipes 13 are welded and connected to the lower parts of two vertical plates 9 of the H-shaped hanging rack; the two grooved wheels 8 are made of nylon; bearings A7 and B17 use bearings with diameters matching those of commercially available bearings; the blade 31 and the motor 36 are commercially available, and the long screw 33 and the short screw 34 are welded on the base plate of the motor 36; the connecting disc 38, the expanding ring 37 and the rotating rod 15 are obtained by self-processing; the universal joint coupling is commercially available; extension bar 24, screw bar 28 and handle 30 are obtained by self-machining;
the installation process is as follows:
placing a bearing A7 at an inner hole orifice of an end face of one end of a grooved pulley 8, placing a hammer and a lining plate on the bearing A7 to knock so that four bearings A7 respectively enter inner holes of end faces of two ends of the grooved pulley 8, then respectively penetrating through the through holes 4 of the two hook plates 3, the inner rings of the bearings A7 and the through holes 4 of the long vertical plate 40 by using the two shafts 6, and fixing the ends of the two shafts 6 by using the cotter pin 2, wherein the two shafts 6 respectively pass through the through holes 4 of the two hook plates 3, the grooved pulley 8 is positioned in the middle of the shaft 6 in an interference fit mode, or adding a short pipe, the inner ring of the bearing A7 and the through hole 4 of the other short pipe and the long vertical plate 40 on the shaft 6 after the two shafts 6 respectively penetrate through the through holes 4 of the two hook plates 3, so that two ends of the short pipe can respectively abut against the end face of the inner ring of the bearing A7 and the outer part of the through hole 4 of the hook plate 3 and the outer part of the through hole 4 of the inner ring of the other bearing A7 and the through hole 4 of the long vertical plate 40, and obtain smooth rotation of the bearing A7; the long screw 33 and the short screw 34 of the connecting plate 35 of the motor 36 are respectively inserted after corresponding to the fixing holes 47 of the connecting disc 38, and then the two long screws 33 and the four short screws 34 are fixed by six nuts 10; the two bearings B17 are respectively placed into the diameter expanding sections 12 arranged at the outer ends of the pipe holes 11 from the outer sides of the pipe holes 11 of the two hanging pipes 13, the rotating rod 15 penetrates into the inner rings of the bearings B17 of the two hanging pipes 13 and then penetrates into the sleeve A18, then the cotter pin 2 is used for connecting the pin hole B16 of the rotating rod 15 and the pin hole of the universal joint coupler sleeve A18 in series, the diameter expanding ring 37 is propped against the outer side face of the inner ring of the bearing B17 of the hanging pipe 13, and the universal joint coupler sleeve A18 is propped against the outer side face of the inner ring of the bearing B17 of the other hanging pipe 13; the universal joint coupler is sleeved at the upper end of an extension bar 24 by an assembled sleeve B23, and then a cotter pin 2 is used for penetrating a pin hole at the upper end of the extension bar 24 and a pin hole of the sleeve B23; the lower end of the extension bar 24 is sleeved on a reducing bar 27 at the upper end of a screwing bar 28, and a plurality of cotter pins are respectively penetrated through a pin hole D26 arranged on the reducing bar 28 and a pin hole C25 arranged at the lower end of the extension bar; winding the power cord 14 of the motor 36 on the rotating rod 15, the extension bar 24 and the screwing rod 28, fixing the power cord 14 by using the cord locking belt 43, fixing the control switch 29 of the power cord 14 at the lower part of the screwing rod 28, and connecting the power supply of the motor 36 with a vehicle-mounted power supply 'generator' carried by the construction work vehicle for standby through the power cord 14;
when the pruning machine is used, a conducting wire line needing to prune branches and leaves is reported to be stopped, in a specified time period, after a constructor stands on a vehicle-mounted lifting frame to reach a required height and position, the connecting plate 1 is held by hands to clamp wheel grooves of two grooved wheels 8 on a conducting wire, then the lifting frame is lowered by about two meters, a vehicle-mounted power supply is switched on by using a power wire 14, the handle 30 is held by hands, the motor 36 is pushed to a position close to the pruned branches and leaves, the control switch 29 is opened, the blade 31 starts to work, the constructor controls the forward or backward of the motor 36 by controlling the screwing rod 28, when the angle is required to be adjusted to enable the blade 31 to prune the branches and leaves on two sides, the screwing rod 28 swings upwards to drive the lengthening rod 24 to move leftwards or rightwards, at the moment, the upper end of the lengthening rod 24 swings leftwards or rightwards by using the penetrating shaft 46, the synchronous belt 31 prunes the branches and leaves on the left side or the right side, and the branches and leaves around the conducting wire are pruned.
The present invention is not described in detail in the prior art.
Claims (8)
1. The utility model provides a dolly is pruned to peripheral branch of power line, includes stores pylon, sheave (8), rotary rod (15), connection pad (38), motor (36), blade (31), long screw rod (33), universal joint coupler, revolves wrong pole (28), handle (30), power cord (14) and control switch (29), characterized by: grooved pulleys (8) for hanging and connecting wires are respectively arranged in a hook plate (3) at the upper ends of two vertical plates (9) of the H-shaped hanging rack, hanging pipes (13) are respectively arranged at the lower ends of the two vertical plates (9), a rotating rod (15) penetrates through the two hanging pipes (13), a connecting disc (38) is arranged outside the hanging pipe (13) at one end of the rotating rod (15), a motor (36) is arranged outside the connecting disc (38), a blade (31) is arranged on a power output shaft (32) of the motor (36), long screw rods (33) capable of controlling the rotating angle of the connecting disc (38) are respectively arranged on two sides of the inner side surface of the connecting disc (38), the outer part of the hanging pipe (13) at the other end of the rotating rod (15) is connected with the upper end of a screwing rod (28) through a universal joint coupler, the screwing rod (28) is divided into two sections close to the upper end, the two sections of the screwing rod (28) are connected through a shaft capable of swinging left and right, a handle (30) is arranged at the lower end of the screwing rod (28), a power supply wire (14) connected with the motor (36) and a screwing control switch (14) close to the external connection of the handle (30);
the upper ends of two vertical plates (9) of the H-shaped hanger are respectively provided with an inclined plate (39) facing one side, the upper ends of the two inclined plates (39) are respectively provided with a long vertical plate (40), the upper parts of the two long vertical plates (40) are respectively connected with the lower part of one side of a semi-circular plate (42), and the lower parts of the other sides of the two semi-circular plates (42) are provided with short vertical plates (41) to form a hook plate (3); the long vertical plates (40) and the short vertical plates (41) of the two hook plates (3) are respectively provided with through holes (4) corresponding to each other, two ends of inner holes of the two grooved pulleys (8) are respectively provided with a bearing A (7), and the two shafts (6) are respectively connected with the through holes (4) of the two short vertical plates (41), the bearings A (7) of the inner holes of the two grooved pulleys (8) and the through holes (4) of the two long vertical plates (40) in a penetrating way through pin holes A (5) at the end parts of the two shafts (6) by split pins (2);
the H-shaped hanger is characterized in that a connecting plate (1) is arranged between the middle parts of two vertical plates (9) of the H-shaped hanger, the connecting plate (1) and the vertical plates (9) at two ends form the H-shaped hanger, the outer ends of pipe holes (11) of hanging pipes (13) respectively arranged at the lower ends of the two vertical plates (9) are respectively provided with an expanding section (12), the expanding sections (12) of the two hanging pipes (13) are respectively fixedly connected with the outer rings of two bearings B (17), and the inner rings of the two bearings B (17) are fixedly connected to the outer edge surfaces, close to two ends, of a rotating rod (15).
2. The pruning cart for branches around power lines as claimed in claim 1, wherein: the power cord (14) wound around the rotating rod (15) and the screw rod (28) is fixed by a plurality of cord locking tapes (43).
3. The pruning trolley for the branches around the power line as set forth in claim 2, wherein: alternatively, the power supply line (14) is fixed on the rotating rod (15) and the screw rod (28) by an adhesive tape.
4. The pruning trolley for the branches around the power line as set forth in claim 1, wherein: the universal joint coupler comprises a sleeve A (18), a cross shaft (21), a sleeve B (23) and a screw shaft (20), wherein the sleeve A (18) is sleeved at the other end of the rotating rod (15), a cotter pin (2) penetrates through pin holes formed in two side walls of the sleeve A (18) and a pin hole B (16) formed in the other end of the rotating rod (15), joint rods A (19) are respectively arranged on two sides of the outer end of the sleeve A (18), and the two joint rods A (19) are respectively movably connected with the end faces of two ends of a straight rod body of the cross shaft (21) through the screw shaft (20); the sleeve B (23) is sleeved at the upper end of the screwing rod (28), the cotter pin (2) penetrates through pin holes formed in two side walls of the sleeve B (23) and pin holes formed in the upper end of the screwing rod (28), two sides of the upper end of the sleeve B (23) are respectively provided with a joint rod B (22), and the two joint rods B (22) are movably connected with the end faces of two ends of the other straight rod body of the cross shaft (21) through screw shafts (20).
5. The pruning trolley for the branches around the power line as set forth in claim 4, wherein: four the outer end of screw axle (20) is equipped with and screws head (50) soon, and the middle part of four screw axles (20) sets up to screw rod (48), and the inner of four screw axles (20) sets up to axostylus axostyle (49), and screw rod (48) of four screw axles (20) are connected respectively in the screw of two articulated arm A (19) tip and in the screw of two articulated arm B (22) tip, and four axostylus axostyles (49) are worn in the blind hole of four body of rod outer end terminal surfaces of cross axle (21).
6. The pruning trolley for the branches around the power line as set forth in claim 1, wherein: a connecting plate (35) is arranged on the inner side surface of the motor (36), long screw rods (33) are respectively arranged on two sides of the middle of the connecting plate (35), short screw rods (34) are respectively arranged on the upper side and the lower side of the connecting plate (35), and fixing holes (47) corresponding to the long screw rods (33) and the short screw rods (34) of the connecting plate (35) are respectively arranged on two sides of the middle and the upper side and the lower side of the connecting plate (38); the long screws (33) on the two sides of the middle part of the connecting plate (35) respectively penetrate through the fixing holes (47) on the two sides of the middle part of the connecting plate (38), and then the end parts of the long screws (33) are exposed by the nuts (10); short screw rods (34) on the upper side and the lower side of the connecting plate (35) penetrate through the other four fixing holes (47) of the connecting plate (35) respectively and then are locked by nuts (10), an expanding ring (37) is arranged at the position, close to the connecting plate (38), of the rotating rod (15), and the length of the two long screw rods (33) is at least one centimeter greater than that of the expanding ring (37).
7. The pruning trolley for the branches around the power line as set forth in claim 1, wherein: be equipped with extension bar (24) in the upper end of revolving wrong pole (28), the end cover is on revolving the reducing pole (27) that wrong pole (28) upper end set up under extension bar (24), and pinhole D (26) that a plurality of cotter pins (2) set up on reducing pole (27) and extension bar (24) were close to pinhole C (25) that the lower extreme set up respectively and acquire the fixed connection who revolves wrong pole (28) and extension bar (24), and the hub connection setting that can rock about is close to the upper end at extension bar (24).
8. The pruning trolley for the branches around the power line as set forth in claim 7, wherein: extension bar (24) are close to the upper end and set up to two sections, are equipped with protruding piece (45) at the upper end terminal surface of lower extension bar (24), and the lower extreme terminal surface of upper portion extension bar (24) is equipped with recess (44), and the axle hole that cross-under (46) cross-under protruding piece (45) middle part and recess (44) both sides wall set up respectively acquires the axle connection structure setting that can rock about.
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