CN113321076A

CN113321076A - Dragging device

Info

Publication number: CN113321076A
Application number: CN202110647542.8A
Authority: CN
Inventors: 陈宇
Original assignee: Individual
Current assignee: Xi'an Guhe Aviation Technology Co ltd
Priority date: 2021-06-10
Filing date: 2021-06-10
Publication date: 2021-08-31
Anticipated expiration: 2041-06-10
Also published as: CN113321076B

Abstract

The invention discloses a dragging device, comprising: the right pulling piece and the left pulling piece are oppositely arranged, the structures of the right pulling piece and the left pulling piece are the same, and a binding rope is connected between the right pulling piece and the left pulling piece; the handheld pulling piece is arranged on the outer sides of the right pulling piece and the left pulling piece and is respectively connected with the left pulling piece and the right pulling piece through a first connecting rope and a second connecting rope, and the handheld pulling piece is correspondingly arranged between the right pulling piece and the left pulling piece; the independent lasso is connected to the outer side of the right pulling piece, and the head end and the tail end of the independent lasso are connected to the inside of the right pulling piece; the protection pad, the protection pad is elastic structure, and the protection pad all is the dismantled and assembled installation setting at the inboard of right side pull piece and left side pull piece. The dragging device can be adjusted for use, is beneficial to moving and assisting in using objects adapting to different body types, can ensure stability, and can meet the requirement of working and using under different environments.

Description

Dragging device

Technical Field

The invention relates to the technical field of dragging devices, in particular to a dragging device suitable for the dragging technical field of structures such as stone pillars and stone piers.

Background

At present, in order to block vehicles on local roads, structures such as stone pier and stone pillar are often used for placing and blocking, and meanwhile, in order to prevent the stone pier and stone pillar from rolling or even sliding when being impacted, common stone pier and stone pillar are heavy, so that the movement is very inconvenient;

meanwhile, the situation that the small and medium-sized equipment devices are inconvenient to move frequently occurs when the small and medium-sized equipment devices are used, the space condition that the equipment such as a forklift is used for moving cannot be met, manual pushing is needed, and the frame structure of the small and medium-sized equipment devices is not obvious due to small size, so that time and labor are wasted when the small and medium-sized equipment devices are manually pushed, and stable moving is difficult to guarantee;

in addition, when carrying and moving some materials, in the background of the prior art, although some grapples pull the material bags, the grapples are inconvenient to pull large batches of materials, and the bag bodies are extremely damaged, so that the materials are spilled and leaked;

therefore, a dragging device which can be adjusted and used, is suitable for objects in different body types to move for assisting does not appear in the market, and is difficult to meet the requirement of using under different environments.

Disclosure of Invention

The invention aims to provide a dragging device, which aims to solve the problem that the dragging device which can be adjusted and used and is suitable for moving and assisting objects in different body types is not available at present and is difficult to use in different environments.

In order to achieve the purpose, the invention provides the following technical scheme: a towing apparatus, comprising:

the right pulling piece and the left pulling piece are oppositely arranged, the structures of the right pulling piece and the left pulling piece are the same, and a binding rope is connected between the right pulling piece and the left pulling piece;

the handheld pulling piece is arranged on the outer sides of the right pulling piece and the left pulling piece and is respectively connected with the left pulling piece and the right pulling piece through a first connecting rope and a second connecting rope, and the handheld pulling piece is correspondingly arranged between the right pulling piece and the left pulling piece;

the independent lasso is connected to the outer side of the right pulling piece, and the head end and the tail end of the independent lasso are connected to the inside of the right pulling piece;

the protection pad, the protection pad is elastic structure, and the protection pad all is the dismantled and assembled installation setting at the inboard of right side pull piece and left side pull piece.

Preferably, the right pulling member includes:

the top surface and the bottom surface of the first fixed seat board are respectively and fixedly provided with a first upper cover plate and a first lower cover plate through screws or rivets, and the first upper cover plate and the first lower cover plate are correspondingly covered and attached with the first fixed seat board;

the first bearings are symmetrically arranged inside the first fixed base plate, the first upper cover plate and the first lower cover plate, and the first bearings inside the first fixed base plate, the first upper cover plate and the first lower cover plate vertically correspond to each other;

meanwhile, an upper cavity which is formed by enclosing the first upper cover plate is arranged on the upper layer of the inner side of the first fixed seat plate, a lower cavity which is formed by enclosing the first lower cover plate is arranged on the lower layer of the inner side of the first fixed seat plate, a rope penetrating hole which is positioned on the inner side of the top of the first fixed seat plate and used for penetrating a binding rope is arranged on the side of the upper cavity, and a connecting cylinder which is positioned on the inner side of the bottom of the first fixed seat plate and used for connecting a protection pad is arranged on the side of the lower cavity;

the outside of first fixed bedplate still is connected with and is used for being connected the barre of rope fixed connection with the second, and the connecting hole has been seted up at the outside top surface middle part of first fixed bedplate.

Preferably, the right pulling member further comprises:

the first shaft lever is correspondingly and rotatably connected to the inner sides of the first fixed seat plate, the first upper cover plate and the first lower cover plate through a first bearing, the middle part of the first shaft lever is limited and mounted on the inner side of the first fixed seat plate through the first bearing, a limiting wheel positioned at the top of the lower cavity is mounted below the middle part of the first shaft lever, the outer side of the bottom end of the first shaft lever is connected with a coil spring positioned at the bottom of the lower cavity, meanwhile, the part, positioned inside the upper cavity, above the middle part of the first shaft lever is of a polished rod structure, and the outer side of the coil spring is fixedly connected to the inner side of a surrounding plate on the top surface of the first lower cover plate;

the fixed rod is rotatably arranged between the first fixed seat plate and the first lower cover plate at the outer side of the first fixed seat plate, and the outer side of the fixed rod is correspondingly connected with a limiting claw which is correspondingly meshed with the limiting wheel;

the supporting rod is correspondingly clamped between the first fixed seat plate and the first lower cover plate, pressing sheets in an elastic structure are arranged on the outer side of the supporting rod, two ends of the supporting rod are in rectangular protruding structures, and 2 pressing sheets are symmetrically arranged on the outer side of the supporting rod relative to the upper part and the lower part of the limiting wheel;

the top of stay cord, the top of stay cord is fixed with the staple, and the end correspondence of stay cord connects in the bottom of depression bar, and wherein the bottom of depression bar runs through the second and connects corresponding block between rope and the sleeve, and the sleeve correspondence is fixed on the top surface of first apron down.

Preferably, the limiting wheel and the first shaft rod are fixedly installed in an integrated mode, a ratchet and pawl mechanism is formed between the limiting wheel and the limiting pawl, and the limiting pawl is correspondingly and rotatably installed on the outer side of the fixing rod.

Preferably, the top of preforming corresponds the laminating contact in the outside of spacing claw, and spacing claw passes through fixed connection between staple and the stay cord, and wherein the staple corresponds and runs through between 2 preforming, and the terminal correspondence of stay cord runs through the spacing groove and connects the terminal at the depression bar that is located the sleeve inboard to the depression bar is through the top of the spring elastic mounting in its outside at the connecting hole.

Preferably, the middle part of the pull rope is provided with a first limiting clamping block for bending the middle part of the pull rope, the bottom end of the first limiting clamping block is fixed on the top surface of the first lower cover plate, and a connecting plug-in unit fixed on the bottom surface of the first fixed base plate is clamped and inserted above the first limiting clamping block.

Preferably, the right pulling member further comprises:

and the second shaft lever and the first shaft lever are symmetrically arranged on the inner side of the first fixed seat plate, and the mounting mode of the second shaft lever is the same as that of the first shaft lever.

Preferably, the hand-held puller comprises:

the second fixed seat plate has the same structure as the first fixed seat plate, a second lower cover plate is fixed at the bottom of the second fixed seat plate, a second upper cover plate is fixed at the top of the second fixed seat plate, and a gripping part is fixed at the outer side of the second fixed seat plate;

the second bearings are vertically and correspondingly arranged on the inner sides of the second fixed seat plate, the second lower cover plate and the second upper cover plate, and the inner sides of the second bearings are correspondingly connected with a third shaft rod;

wherein the third shaft lever is provided with 2 groups in the inboard of second fixed bedplate in the symmetry, and the outside of third shaft lever is provided with the spacing fixture block of second that is located the middle part of apron under the second.

Preferably, the limiting wheel is installed at the bottom of the outer side of the third shaft lever, the coil spring is installed on the outer side of the bottom of the third shaft lever, and the fixing rod and the supporting rod are sequentially arranged on the outer side of the third shaft lever.

Preferably, the third shaft rod on the left side in the second fixed seat plate is connected with the handle rod on the outer side of the left pulling piece through the first connecting rope, the third shaft rod on the right side in the second fixed seat plate is connected with the handle rod on the outer side of the right pulling piece through the second connecting rope, and the inner side of the right pulling piece is connected with the head and the tail of the independent lasso through the first shaft rod and the second shaft rod respectively.

Compared with the prior art, the invention has the beneficial effects that: the dragging device can be adjusted for use, is beneficial to moving auxiliary use of articles in different body types, can ensure stability, and can meet the requirement of working use in different environments;

1. the binding rope is prevented from being dragged towards the outer side of the right pulling piece or the outer side of the left pulling piece through a ratchet wheel pawl mechanism between a limiting wheel and a limiting claw in the right pulling piece, the maximum length of the binding rope can be limited, and meanwhile, the first shaft rod can be conveniently rotated through an elastic structure of a coil spring, so that the binding rope is wound by the first shaft rod, the maximum length of the binding rope can be conveniently and automatically adjusted, and the binding rope is ensured to be directly bound on the outer side of an article;

2. the right pulling piece and the independent lassos are arranged, the head end and the tail end of each independent lasso are correspondingly connected to the outer sides of the 2 groups of first shaft levers in the right pulling piece, so that the independent lassos are directly pulled through the right pulling piece for use, the single operation is facilitated, and the lasso can be used for small articles;

3. the handheld pulling piece is arranged, the first connecting rope and the second connecting rope are connected through the handheld pulling piece, pulling is facilitated, the 2 groups of third shaft rods on the inner side of the handheld pulling piece are independent and can be adjusted respectively, the extending lengths of the first connecting rope and the second connecting rope can be adjusted conveniently, and balanced use is facilitated;

4. be provided with the dead lever in this scheme, bracing piece and stay cord, the dead lever passes through to constitute ratchet pawl mechanism between spacing claw and the spacing round, is convenient for avoid primary shaft pole to unreel to tying up the rope and avoid the third shaft pole to unreel first connection rope and second connection rope, simultaneously through the pulling of stay cord, can stimulate the dead lever, so that unreel the use, and through the elastic construction of bracing piece, be convenient for make spacing claw automatic re-setting mesh, guarantee stable use.

Drawings

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

FIG. 2 is a schematic view of the structure of the individual noose of the present invention;

FIG. 3 is a schematic view of the overall disassembled structure of the present invention;

FIG. 4 is a cross sectional view of the first fixed seat plate of the present invention;

FIG. 5 is a longitudinal sectional view of the first fixed seat plate according to the present invention;

FIG. 6 is a schematic view of the disassembled first shaft of the present invention;

FIG. 7 is a schematic view of a disassembled structure of the spacing wheel of the present invention;

FIG. 8 is an exploded view of the right and left pulling members and the binding cord of the present invention;

FIG. 9 is an enlarged view of portion A of FIG. 3 according to the present invention;

FIG. 10 is an enlarged view of portion B of FIG. 6 according to the present invention;

FIG. 11 is an enlarged view of the portion C of FIG. 7 according to the present invention;

FIG. 12 is a schematic view of the overall structure of a second fixed seat plate according to the present invention;

FIG. 13 is a schematic view of the mounting structure of the third shaft of the present invention;

FIG. 14 is an enlarged view of the portion D of FIG. 12 according to the present invention.

In the figure: 101. a right pull member; 102. a left pull member; 103. a hand-held pull; 104. binding and winding ropes; 105. a first connecting rope; 106. a second connecting rope; 107. independent lasso; 108. a pad; 11. a first fixed seat plate; 111. an upper cavity; 112. a lower cavity; 113. a connecting cylinder; 114. a handle bar; 115. stringing holes; 116. connecting holes; 12. a first upper cover plate; 13. a first lower cover plate; 131. enclosing plates; 14. a first bearing; 15. a first shaft lever; 151. a limiting wheel; 152. a coil spring; 16. fixing the rod; 161. a limiting claw; 17. a support bar; 171. tabletting; 18. pulling a rope; 181. fixing nails; 182. a pressure lever; 183. a spring; 184. a sleeve; 185. a limiting groove; 186. a first limiting clamping block; 187. connecting the plug-in; 188. a second limiting clamping block; 19. a second shaft lever; 21. a second fixed seat plate; 22. a second lower cover plate; 23. a second upper cover plate; 24. a second bearing; 25. a third shaft lever; 26. a gripping member.

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.

Referring to fig. 1-14, the present invention provides a technical solution: a towing device comprises a right pull member 101, a left pull member 102, a hand-held pull member 103, a binding cord 104, a first connecting cord 105, a second connecting cord 106, an independent noose 107 and a protection pad 108, wherein when the towing device is used, the towing device can be used in a state as shown in figure 1, the binding cord 104 is connected between the right pull member 101 and the left pull member 102 for operation, and as can be seen from figure 3 or figure 8, when the binding cord 104 is used, two ends of the binding cord are respectively connected to the tops of first shafts 15 in the right pull member 101 and the left pull member 102;

when the device works and the method are used, 2 strands of binding and winding ropes 104 are respectively sleeved on the front side and the rear side of an article as shown in fig. 3, the pressing rod 182 inserted into the connecting hole 116 is pressed downwards as shown in fig. 4, fig. 6, fig. 7, fig. 8, fig. 9, fig. 10 and fig. 11, so that the pressing rod 182 drives the tail end of the pulling rope 18 connected with the bottom end of the pressing rod to move downwards towards the inside of the sleeve 184, and the tail end of the pulling rope 18 penetrates through the limiting groove 185 and is connected to the inside of the sleeve 184, and in the process of moving downwards of the pulling rope 18, the pressing rod 182 pulls the tail end of the pulling rope 18 due to;

meanwhile, when the pulling rope 18 is pulled, the fixing nail 181 connected to the top end of the pulling rope correspondingly pulls the limiting claw 161, so that the limiting claw 161 rotates outside the fixing rod 16, and the limiting claw 161 is disengaged from the limiting wheel 151, so that the limiting claw 161 does not prevent the limiting wheel 151 and the first shaft 15 from unwinding the binding rope 104, and the binding rope 104 is sleeved outside the article;

after the binding rope 104 is unreeled for a certain length, the pressing rod 182 is loosened, the pressing rod 182 is reset upwards under the elastic action of the spring 183 sleeved outside the pressing rod 182, meanwhile, the pressing sheet 171 is extruded to the limiting claw 161 under the elastic action of the outer side of the supporting rod 17, the limiting claw 161 is rotated and reset outside the fixing rod 16, and therefore the limiting claw 161 is clamped and limited again with the limiting wheel 151, and a ratchet and pawl mechanism is formed between the limiting claw 161 and the limiting wheel 151 to prevent the first shaft lever 15 from unreeling the binding rope 104;

a coil spring 152 connected to the end of the first shaft rod 15 is arranged below the limiting wheel 151, wherein the head end and the tail end of the coil spring 152 are respectively fixedly connected with the first shaft rod 15 and the enclosing plate 131, and under the elastic action of the coil spring 152, the first shaft rod 15 can automatically wind the winding rope 104, so as to ensure that the right pulling piece 101 and the left pulling piece 102 are attached to the outer side of the article through the protection pad 108, so as to ensure stability;

during the process that the pull rope 18 is pulled by pressing the pressing rod 182, the first shaft lever 15 and the second shaft lever 19 are synchronously adjusted, so that automatic binding and winding are facilitated, convenience in operation is guaranteed, meanwhile, the outer side of the right pulling piece 101 is connected with the handheld pulling piece 103 through the second connecting rope 106, and the outer side of the left pulling piece 102 is connected with the handheld pulling piece 103 through the first connecting rope 105;

when the handheld pulling element 103 is used, as shown in fig. 1, 12, 13 and 14, 2 sets of independent third shafts 25 are arranged inside the handheld pulling element 103, the first connecting rope 105 and the second connecting rope 106 are respectively wound through the third shafts 25, as shown in fig. 12, the pressing rod 182 positioned on the left side of the second fixed seat plate 21 is pressed, so that the pulling rope 18 pulls the limiting claw 161 on the left side, the third shaft 25 is separated from the limiting position as the first shaft 15, the first connecting rope 105 can be unreeled through pulling, and similarly, the second connecting rope 106 can be unreeled, so that the adjustment and use are ensured, and the balance can be ensured;

when the pull rope 18 is pulled, a first limiting fixture block 186 and a connecting plug 187 which are vertically clamped and plugged are arranged inside the right pull piece 101 and the left pull piece 102 to limit and bend the pull rope 18, so that stable use is convenient to guarantee, and a second limiting fixture block 188 which is similar to the structure of the handheld pull piece 103 is arranged inside the handheld pull piece 103 to limit and use, so that independent adjustment and use are convenient to guarantee;

in addition, as shown in fig. 2 and 3, the first and the last ends of the independent noose 107 are connected with the first shaft rod 15 and the second shaft rod 19 respectively, so that the independent noose 107 can be used independently, and the small articles can be moved and used conveniently.

Those not described in detail in this specification are within the skill of the art. The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. A towing apparatus, comprising:

the right pulling piece (101) and the left pulling piece (102) are oppositely arranged, the right pulling piece (101) and the left pulling piece (102) are identical in structure, and a binding and winding rope (104) is connected between the right pulling piece (101) and the left pulling piece (102);

the handheld pulling piece (103) is arranged on the outer sides of the right pulling piece (101) and the left pulling piece (102), the handheld pulling piece (103) is connected with the left pulling piece (102) and the right pulling piece (101) through a first connecting rope (105) and a second connecting rope (106), and the handheld pulling piece (103) is correspondingly arranged between the right pulling piece (101) and the left pulling piece (102);

the independent lasso (107), the independent lasso (107) is connected to the outer side of the right pulling piece (101), and the head and the tail ends of the independent lasso (107) are connected to the inner part of the right pulling piece (101);

the protection pad (108), protection pad (108) are elastic structure, and protection pad (108) all are the dismantled and assembled setting in the inboard of right side pull piece (101) and left side pull piece (102).

2. A towing attachment according to claim 1, characterised in that: the right pull piece (101) comprises:

the top surface and the bottom surface of the first fixed seat plate (11) are respectively and fixedly provided with a first upper cover plate (12) and a first lower cover plate (13) through screws or rivets, wherein the first upper cover plate (12) and the first lower cover plate (13) are correspondingly covered and attached to the first fixed seat plate (11);

the first bearings (14) are symmetrically arranged inside the first fixed base plate (11), the first upper cover plate (12) and the first lower cover plate (13), and the first bearings (14) inside the first fixed base plate (11), the first upper cover plate (12) and the first lower cover plate (13) vertically correspond to each other;

meanwhile, an upper cavity (111) which is formed by enclosing with the first upper cover plate (12) is arranged on the upper layer of the inner side of the first fixed seat plate (11), a lower cavity (112) which is formed by enclosing with the first lower cover plate (13) is arranged on the lower layer of the inner side of the first fixed seat plate (11), a rope penetrating hole (115) which is arranged on the inner side of the top of the first fixed seat plate (11) and used for penetrating and winding a rope (104) is arranged on the side of the upper cavity (111), and a connecting cylinder (113) which is arranged on the inner side of the bottom of the first fixed seat plate (11) and used for connecting a protection pad (108) is arranged on the side of the lower cavity (112);

the outer side of the first fixed seat plate (11) is further connected with a handle bar (114) fixedly connected with a second connecting rope (106), and the middle of the top surface of the outer side of the first fixed seat plate (11) is provided with a connecting hole (116).

3. A towing attachment according to claim 2, characterised in that: the right pull piece (101) further comprises:

the first shaft lever (15) is correspondingly and rotatably connected to the inner sides of the first fixed seat plate (11), the first upper cover plate (12) and the first lower cover plate (13) through a first bearing (14), the middle of the first shaft lever (15) is installed on the inner side of the first fixed seat plate (11) in a limiting mode through the first bearing (14), a limiting wheel (151) located at the top of the lower cavity (112) is installed below the middle of the first shaft lever (15), the outer side of the bottom end of the first shaft lever (15) is connected with a coil spring (152) located at the bottom of the lower cavity (112), meanwhile, the part, located inside the upper cavity (111) above the middle of the first shaft lever (15) is of a polished rod structure, and the outer side of the coil spring (152) is fixedly connected to the inner side of a surrounding plate (131) on the top surface of the first lower cover plate (13);

the fixing rod (16) is rotatably arranged between the first fixing seat plate (11) and the first lower cover plate (13) at the outer side of the first fixing seat plate (11), and the outer side of the fixing rod (16) is correspondingly connected with a limiting claw (161) which is correspondingly meshed with the limiting wheel (151);

the supporting rod (17) is correspondingly clamped and installed between the first fixed seat plate (11) and the first lower cover plate (13), pressing sheets (171) in an elastic structure are installed on the outer side of the supporting rod (17), two ends of the supporting rod (17) are in rectangular protruding structures, and 2 pressing sheets (171) are symmetrically arranged on the outer side of the supporting rod (17) in the vertical direction of the limiting wheel (151);

the top end of the pull rope (18) is fixed with a fixing nail (181), the tail end of the pull rope (18) is correspondingly connected to the bottom end of the pressure lever (182), the bottom end of the pressure lever (182) penetrates through the second connecting rope (106) to be correspondingly clamped with the sleeve (184), and the sleeve (184) is correspondingly fixed on the top surface of the first lower cover plate (13).

4. A towing attachment according to claim 3, characterised in that: the limiting wheel (151) and the first shaft lever (15) are fixedly installed in an integrated mode, a ratchet wheel and pawl mechanism is formed between the limiting wheel (151) and the limiting pawl (161), and the limiting pawl (161) is installed on the outer side of the fixing rod (16) in a corresponding rotating mode.

5. A towing attachment according to claim 3, characterised in that: the top end of the pressing piece (171) is correspondingly attached to the outer side of the limiting claw (161), the limiting claw (161) is fixedly connected with the pull rope (18) through a fixing nail (181), the fixing nail (181) correspondingly penetrates through the 2 pressing pieces (171), the tail end of the pull rope (18) correspondingly penetrates through a limiting groove (185) and is connected to the tail end of a pressing rod (182) located on the inner side of the sleeve (184), and the pressing rod (182) is elastically installed above the connecting hole (116) through a spring (183) on the outer side of the pressing rod.

6. A towing attachment according to claim 3, characterised in that: the middle part of the pull rope (18) is provided with a first limiting clamping block (186) for bending the middle part of the pull rope, the bottom end of the first limiting clamping block (186) is fixed on the top surface of the first lower cover plate (13), and a connecting plug-in (187) fixed on the bottom surface of the first fixed seat plate (11) is clamped and inserted above the first limiting clamping block (186).

7. A towing attachment according to claim 3, characterised in that: the right pull piece (101) further comprises:

and the second shaft lever (19) and the first shaft lever (15) are symmetrically arranged on the inner side of the first fixed seat plate (11), and the installation mode of the second shaft lever (19) is the same as that of the first shaft lever (15).

8. A towing attachment according to claim 1 or claim 2, in which: the hand-held pull piece (103) comprises:

the structure of the second fixed seat plate (21) is the same as that of the first fixed seat plate (11), a second lower cover plate (22) is fixed at the bottom of the second fixed seat plate (21), a second upper cover plate (23) is fixed at the top of the second fixed seat plate (21), and a gripping piece (26) is fixed on the outer side of the second fixed seat plate (21);

the second bearings (24) are vertically and correspondingly arranged on the inner sides of the second fixed seat plate (21), the second lower cover plate (22) and the second upper cover plate (23) vertically, and the inner sides of the second bearings (24) are correspondingly connected with a third shaft lever (25);

wherein, the third shaft lever (25) is symmetrically provided with 2 groups at the inner side of the second fixed seat plate (21), and the outer side of the third shaft lever (25) is provided with a second limit clamping block (188) which is positioned at the middle part of the second lower cover plate (22).

9. A towing attachment according to claim 8, characterised in that: limiting wheels (151) are installed at the bottom of the outer side of the third shaft lever (25), coil springs (152) are installed on the outer side of the bottom of the third shaft lever (25), and meanwhile a fixing rod (16) and a supporting rod (17) are sequentially arranged on the outer side of the third shaft lever (25).

10. A towing attachment according to claim 8, characterised in that: the third shaft lever (25) on the left side in the second fixed seat plate (21) is connected with the handle bar (114) on the outer side of the left pulling piece (102) through a first connecting rope (105), the third shaft lever (25) on the right side in the second fixed seat plate (21) is connected with the handle bar (114) on the outer side of the right pulling piece (101) through a second connecting rope (106), and meanwhile the inner side of the right pulling piece (101) is connected with the head and the tail of the independent noose (107) through a first shaft lever (15) and a second shaft lever (19) respectively.