CN216590557U - Ultraviolet curing non-excavation prosthetic devices of pipeline - Google Patents

Abstract

The utility model provides an ultraviolet curing trenchless pipeline repairing device which comprises an installation frame, a pushing mechanism arranged on the installation frame, a folding frame arranged on the installation frame and opened and closed through the pushing mechanism, and traveling wheels and an ultraviolet light assembly arranged on the folding frame, wherein the folding frame comprises a plurality of traveling frames and a plurality of ultraviolet light frames, the traveling frames and the ultraviolet light frames are distributed in an equidistant surrounding manner, the traveling wheels are arranged on the traveling frames, and the ultraviolet light assembly is arranged on the ultraviolet light frames; the folding frame can be controlled to be opened and closed through the pushing mechanism according to the inner diameter of the pipeline to be repaired, so that the travelling wheels are attached to the inner wall of the pipeline, the distance between the ultraviolet light assembly and the inner wall of the pipeline is synchronously adjusted, the radiation effect of the ultraviolet light is effectively improved, the curing efficiency is increased, and the better curing effect is ensured.

Description

Ultraviolet curing non-excavation prosthetic devices of pipeline

Technical Field

The utility model belongs to the technical field of pipeline repair, and particularly relates to an ultraviolet curing trenchless pipeline repair device.

Background

Along with the development of urbanization, the construction of drainage pipelines is increased every year, the number of urban underground pipe networks is continuously increased, after the underground pipelines are operated for many years, due to the reasons of insufficient investment in maintenance and repair, the situations of pipeline corrosion, serious leakage, damage deformation, uneven settlement and the like are caused, once the pipelines receive the disturbance of external factors, accidents such as road surface collapse, drainage pipeline burst and the like are easily caused, so that serious economic loss and potential safety hazards are brought, the pipelines are replaced on the whole line, the engineering quantity is huge, the cost is high, the engineering period is long, and the service life of the pipelines is prolonged by adopting a pipeline repairing technology for saving the cost.

The pipeline repairing technology can be divided into an excavation repairing technology and a non-excavation repairing technology according to construction conditions, the non-excavation repairing technology is widely used due to small influence on infrastructure, low maintenance cost, high construction repairing efficiency and good repairing effect, and the ultraviolet curing repairing technology is widely popularized and applied in recent years. The ultraviolet light curing repair technology is that glass fiber hoses are prefabricated in a factory according to the actual situation on site, the glass fiber hoses are pulled into original pipelines to be repaired during site construction, the glass fiber hoses are tightly attached to the original pipelines by utilizing the inflation expansion of an air compressor, the original pipelines are used as outer molds, inner films of the hoses are used as inner liners, and then under the irradiation effect of ultraviolet light of special wave bands for a period of time, resin is cured to form composite inner liner pipes with certain strength, and the composite inner liner pipes are tightly attached to the original pipes to finish the repair.

Ultraviolet curing device among the prior art mostly opens and shuts the angle through adjusting the support arm, make the drive wheel that is located on the support arm contact with the pipeline inner wall, then recycle draw gear and drag ultraviolet curing device and remove in the pipeline and carry out solidification work, but ultraviolet lamp's position all fixes and can not adjust among the current solidification equipment, when solidification equipment is used for the pipeline of great internal diameter, the support arm opens the angle grow, the distance between ultraviolet lamp and the pipeline increases, the intensity that ultraviolet ray showy radiates on the hose reduces, make interior bushing pipe curing time increase, lead to solidification efficiency to reduce, construction cost increases, and interior bushing pipe intensity also can descend after the solidification.

Disclosure of Invention

The utility model aims to provide an ultraviolet curing trenchless repairing device for a pipeline, which solves the problems that the ultraviolet lamp position of an ultraviolet curing device in the prior art cannot be adjusted, the intensity of ultraviolet radiation on the pipe wall is reduced, the curing time of the pipeline is prolonged, the curing efficiency is reduced, the construction cost is increased, and the intensity of a lining pipe after curing is reduced.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the utility model provides a non-excavation prosthetic devices of pipeline ultraviolet curing, includes mounting bracket, setting pushing mechanism, setting on the mounting bracket are in just pass through on the mounting bracket pushing mechanism realizes the folding leg that opens and shuts, and installs walking wheel and ultraviolet ray subassembly on the folding leg, the folding leg includes a plurality of walking framves and a plurality of ultraviolet ray frame, walking frame and ultraviolet ray frame are the equidistance and encircle the form and distribute, the walking wheel sets up on the walking frame, the ultraviolet ray subassembly sets up on the ultraviolet ray frame.

Preferably, the mounting bracket is connected including the anterior connecting plate, middle part connecting plate and the afterbody connecting plate that set gradually between anterior connecting plate and the middle part connecting plate, be many first horizontal poles that the form distributes around, and connect between middle part connecting plate and the afterbody connecting plate, be many second horizontal poles that the form distributes around, pushing mechanism sets up between anterior connecting plate and the middle part connecting plate.

Preferably, the pushing mechanism includes: and the movable plate is positioned between the front connecting plate and the middle connecting plate, one end of the movable plate is connected to the front connecting plate, the other end of the movable plate is connected to the threaded rod which penetrates through the middle connecting plate, the threaded rod penetrates through the motor which is arranged on one end of the middle connecting plate, the first cross rod penetrates through the movable plate, the movable plate can move on the first cross rod, and the threaded rod penetrates through the middle of the movable plate and is in threaded connection with the movable plate.

Preferably, the walking frame comprises two connecting rods, the two connecting rods are arranged in an X-shaped intersecting manner and are hinged at the intersection point of the two connecting rods, one end of each connecting rod on the same side is hinged with the movable plate, the other end of each connecting rod is hinged with the tail connecting plate, and the two ends of each connecting rod on the other side are connected with the walking wheels.

Preferably, the walking wheel pass through buffer assembly with the connecting rod is connected, buffer assembly includes: the buffer cylinder is connected with the connecting rod, the limiting plate is arranged in the buffer cylinder, the buffer cylinder is provided with a buffer spring between the limiting plates, a buffer rod is connected to the upper end of the limiting plate, the walking wheel carrier is connected to the other end of the buffer rod, and the walking wheel is arranged on the walking wheel carrier.

Preferably, the ultraviolet light assembly comprises an ultraviolet lamp holder connected with the ultraviolet light frame and an ultraviolet lamp tube arranged on the ultraviolet lamp holder.

Preferably, the uv rack comprises: two sets of link mechanism with connect two sets ofly link mechanism, two sets of the same link mechanism through articulated seat with second horizontal pole and ultraviolet ray subassembly carry out hinged joint, link mechanism includes: first connecting rod and second connecting rod, first connecting rod one end with set up articulated seat on the second horizontal pole is connected, the first connecting rod other end with second connecting rod one end is articulated mutually, the second connecting rod other end with be located the articulated seat of ultraviolet subassembly is articulated mutually, link gear includes: the two ends of the transverse connecting plate are respectively hinged with the hinged parts of a first connecting rod and a second connecting rod in the two groups of connecting rod mechanisms, one end of the push rod is hinged with the transverse connecting plate, and the other end of the push rod is hinged with the moving plate.

Preferably, the link mechanism further includes: one end of the auxiliary rod is hinged with the hinge seat on the second cross rod, and the other end of the auxiliary rod is hinged with the second connecting rod

Compared with the prior art, the utility model has the advantages that:

1. the folding frame can be controlled to be opened and closed through the pushing mechanism according to the inner diameter of the pipeline to be repaired, so that the travelling wheels are attached to the inner wall of the pipeline, the distance between the ultraviolet light assembly and the inner wall of the pipeline is synchronously adjusted, the radiation effect of an ultraviolet lamp is effectively improved, the curing efficiency is increased, the better curing effect is ensured, and the device can be suitable for repairing pipelines with different inner diameters, and is particularly suitable for pipelines with larger inner diameters;

2. according to the utility model, the plurality of walking frames and the plurality of ultraviolet frames are distributed on the mounting frame in an equidistant surrounding manner, and the plurality of ultraviolet frames and the plurality of walking frames are controlled to be synchronously opened or closed by the pushing device, so that the ultraviolet lamp is always positioned in the central area of the pipeline and uniformly irradiates the inner wall of the pipeline, and the curing effect is further improved;

3. according to the utility model, by arranging the buffer component, when the device runs in the pipeline and meets raised obstacles, the buffer rod drives the limiting plate to move in the buffer cylinder, so that the spring is compressed, the travelling wheel can run on the obstacles, the condition that the travelling wheel is blocked by the obstacles to cause damage is avoided, the repairing device runs more stably in the pipeline, and the construction efficiency is effectively improved;

4. according to the utility model, the auxiliary rod is arranged between the second cross rod and the second connecting rod, so that the stability of the connecting rod mechanism is enhanced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural diagram of an ultraviolet-curing trenchless pipeline repairing device;

FIG. 2 is a schematic structural diagram of a mounting frame and a pushing mechanism of the ultraviolet curing trenchless pipeline repairing device;

FIG. 3 is a schematic structural view of a walking frame of the ultraviolet curing trenchless pipeline repairing device;

FIG. 4 is a schematic structural view of a buffer assembly of the ultraviolet curing trenchless pipeline repairing device;

FIG. 5 is a schematic view of an ultraviolet light frame structure of a ultraviolet light curing trenchless repairing device for pipelines

Reference numerals: 1-mounting rack, 2-pushing mechanism, 3-folding rack, 4-travelling wheel, 5-ultraviolet light component, 6-travelling rack, 7-ultraviolet light rack, 8-front connecting plate, 9-middle connecting plate, 10-tail connecting plate, 11-first cross bar, 12-second cross bar, 13-moving plate, 14-threaded rod, 15-motor, 16-connecting rod, 17-buffer component, 18-buffer cylinder, 19-limiting plate, 20-buffer spring, 21-buffer rod, 22-travelling wheel rack, 23-ultraviolet lamp holder, 24-ultraviolet lamp tube, 25-connecting rod mechanism, 26-linkage mechanism, 27-hinged seat, 28-first connecting rod, 29-second connecting rod, 30-transverse connecting plate, 30-travelling wheel, 5-ultraviolet light component, 14-connecting rod, 17-buffer component, 18-buffer cylinder, 19-limiting plate, 20-buffer spring, 21-buffer rod, 22-travelling wheel rack, 23-ultraviolet lamp holder, 24-ultraviolet lamp tube, 25-connecting rod mechanism, 26-linkage mechanism, 27-hinged seat, 28-first connecting rod, 29-second connecting rod, 30-transverse connecting plate, and transverse connecting plate, 31-push rod, 32-auxiliary rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. 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.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the products of the present invention are used, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the device or element which is referred to must have a specific orientation, be constructed in a specific orientation and be operated, and thus, should not be construed as limiting the present invention.

Furthermore, the appearances of the terms "first," "second," "third," and the like, if any, are only used to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.

As shown in fig. 1, a non-excavation prosthetic devices of pipeline ultraviolet curing, including mounting bracket 1, setting pushing mechanism 2, the setting on the mounting bracket 1 is in just pass through on the mounting bracket 1 pushing mechanism 2 realizes folding leg 3 that opens and shuts, and installs walking wheel 4 and ultraviolet ray subassembly 5 on the folding leg 3, folding leg 3 includes a plurality of walking framves 6 and a plurality of ultraviolet ray frame 7, walking frame 6 and ultraviolet ray frame 7 are the equidistance and encircle the form and distribute, walking wheel 4 sets up on the walking frame 6, ultraviolet ray subassembly 5 sets up on the ultraviolet ray frame 7.

It should be noted that, the height of walking frame 6 and walking wheel 4 that sets up on it should be greater than ultraviolet ray frame 7 and the height of the ultraviolet ray subassembly that sets up on it, pushing mechanism 2 control walking frame 6 and ultraviolet ray lighting fixture are opened or are drawn in step for walking wheel 4 laminates with the inner wall of pipeline mutually, and the interval between the inner wall of synchronous adjustment ultraviolet ray subassembly and pipeline, the radiation effect of effectual improvement ultraviolet lamp, and then increased solidification efficiency, guarantee better solidification effect, through the size of opening and shutting of pushing mechanism 2 control walking frame 6 and ultraviolet ray lighting fixture, make this device can be applicable to the pipeline of different internal diameters and carry out repair work.

As shown in fig. 2, the mounting bracket 1 includes a front connecting plate 8, a middle connecting plate 9 and a tail connecting plate 10 which are sequentially arranged, and is connected between the front connecting plate 8 and the middle connecting plate 9 and is a plurality of first cross rods 11 which are distributed in a surrounding manner, and is connected between the middle connecting plate 9 and the tail connecting plate 10 and is a plurality of second cross rods 12 which are distributed in a surrounding manner, and the pushing mechanism 2 is arranged between the front connecting plate 8 and the middle connecting plate 9.

Wherein the pushing mechanism 2 includes: and the movable plate 13 is positioned between the front connecting plate 8 and the middle connecting plate 9, one end of the movable plate is connected to the front connecting plate 8, the other end of the movable plate is connected to the threaded rod 14 penetrating through the middle connecting plate 9, the threaded rod 14 is connected to the motor 15 arranged at one end of the middle connecting plate 9, the first cross rod 11 penetrates through the movable plate 13, the movable plate 13 can move on the first cross rod 11, and the threaded rod 14 penetrates through the middle of the movable plate 13 and is in threaded connection with the movable plate 13.

It should be noted that the motor 15 is a forward and reverse rotation motor 15 commonly used in the prior art; the working principle of the pushing mechanism 2 is as follows: starting the motor 15, the motor 15 drives the threaded rod 14 to rotate, and then drives the moving plate 13 located on the first cross rod 11 to move towards the traction direction or move away from the traction direction, and then drives the walking frame 6 connected with the moving plate 13 and the ultraviolet lamp bracket to synchronously open or close.

As shown in fig. 3, the walking frame 6 includes two connecting rods 16, the two connecting rods 16 are arranged in an X-shape and are hinged at the intersection point, one end of each connecting rod 16 located on the same side is hinged to the moving plate 13, the other end is hinged to the tail connecting plate 10, and both ends of each connecting rod 16 located on the other side are connected to the walking wheels 4.

One end of the walking frame 6 is hinged to the moving plate 13, the other end of the walking frame is hinged to the tail connecting plate 10, and when the moving plate 13 moves, the connecting rod 16 rotates around the intersection point of the moving plate 13, so that the walking frame 6 is opened or closed, and the walking frame 6 can be used for pipelines with different diameters.

As shown in fig. 4, avoided the walking wheel to be blocked by the obstacle and caused the condition of damage to take place to make prosthetic devices move more steadily in the pipeline, effectively improve the efficiency of construction, walking wheel 4 through buffering subassembly 17 with connecting rod 16 is connected, buffering subassembly 17 includes: the buffer cylinder 18 is connected with the connecting rod 16, a limiting plate 19 is arranged in the buffer cylinder 18, a buffer spring 20 is arranged between the buffer cylinder 18 and the limiting plate 19, a buffer rod 21 is connected to the upper end of the limiting plate 19, a walking wheel 4 frame is connected to the other end of the buffer rod 21, and walking wheels 4 are arranged on the walking wheel 4 frame; when the device runs into bellied obstacle at the inside walking of pipeline, the buffer beam drives and drives the limiting plate and remove in the buffer cylinder, and then compression spring for the walking wheel can walk on the obstacle, and then reaches buffering absorbing effect.

As shown in fig. 5, the uv assembly 5 includes a uv socket 23 connected to the uv rack 7 and a uv lamp 24 disposed on the uv socket 23; the ultraviolet light shelf 7 includes: two sets of link mechanism 25 and the link gear 26 of connecting two sets of link mechanism 25, two sets of the same link mechanism 25 through articulated seat 27 with second horizontal pole 12 and ultraviolet subassembly 5 carry out hinged joint, link mechanism 25 includes: a first connecting rod 28 and a second connecting rod 29, wherein one end of the first connecting rod 28 is connected to a hinge seat 27 disposed on the second cross bar 12, the other end of the first connecting rod 28 is hinged to one end of the second connecting rod 29, the other end of the second connecting rod 29 is hinged to a hinge seat 27 disposed on the uv assembly 5, and the linkage 26 comprises: the two ends of the transverse connecting plate 30 are respectively hinged with the hinged parts of the first connecting rod 28 and the second connecting rod 29 in the two groups of connecting rod mechanisms 25, one end of the push rod 31 is hinged with the transverse connecting plate 30, and the other end of the push rod 31 is hinged with the moving plate 13.

The principle that the moving plate 13 drives the ultraviolet lamp holder to open or close is as follows: the moving plate 13 can drive the push rod 1 to move in the moving process, the push rod 31 drives the transverse connecting plate 30 to move, and then the first connecting rod 28 and the second connecting rod 29 are driven to move around the hinged point of the first connecting rod and the second connecting rod, so that the ultraviolet lamp holder is opened or closed, the distance between the ultraviolet lamp and the inside of the pipeline is achieved, and the curing effect is further improved.

Wherein, in order to enhance the stability of the link mechanism 25, the link mechanism 25 further comprises: an auxiliary rod 32, one end of the auxiliary rod 32 is hinged with the hinge seat 27 on the second cross bar 12, and the other end is hinged with the second connecting rod 29

The implementation of the present invention will now be described in detail with reference to fig. 1-5:

when the folding frame 3 is in a folding and closing state, the device is put into a pipeline to be solidified, the motor 15 is started, the motor 15 drives the threaded rod 14 to rotate, thereby driving the movable plate on the first cross bar 11 to move towards the traction direction, moving one end of the movable walking frame 6 of the movable plate 13, so that the two connecting rods 16 which are arranged in an X-shaped intersection manner drive the travelling wheels 4 to move upwards until the travelling wheels 4 are contacted with the inner wall of the pipeline, the moving plate 13 also drives the push rod 31 to move in the moving process, the push rod 31 drives the transverse connecting plate 30 to move, thereby driving the first connecting rod 28 and the second connecting rod 29 to move, finally driving the ultraviolet lamp holder 23 provided with the ultraviolet lamp tube 24 to move upwards, reducing the distance between the ultraviolet lamp and the inside of the pipeline, when the repairing device needs to be retracted, the motor 15 rotates reversely to drive the folding frame 3 to fold.

Finally, it is noted that the above-mentioned embodiments illustrate rather than limit the utility model, and that, while the utility model has been described with reference to preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims (8)

1. The utility model provides a pipeline ultraviolet curing non-excavation prosthetic devices which characterized in that: including mounting bracket (1), setting pushing mechanism (2), the setting on mounting bracket (1) are in just pass through on mounting bracket (1) pushing mechanism (2) realize folding leg (3) that open and shut, and install walking wheel (4) and ultraviolet subassembly (5) on folding leg (3), folding leg (3) are including a plurality of walking frame (6) and a plurality of ultraviolet ray frame (7), walking frame (6) and ultraviolet ray frame (7) are the equidistance and encircle the form and distribute, walking wheel (4) set up on walking frame (6), ultraviolet subassembly (5) set up on ultraviolet ray frame (7).

2. The ultraviolet curing trenchless pipeline restoration device as claimed in claim 1, wherein: mounting bracket (1) is connected including the anterior connecting plate (8), middle part connecting plate (9) and the afterbody connecting plate (10) that set gradually between anterior connecting plate (8) and middle part connecting plate (9), be many first horizontal poles (11) that the form distributes around, and connect between middle part connecting plate (9) and afterbody connecting plate (10), be many second horizontal poles (12) that the form distributes around, pushing mechanism (2) set up between anterior connecting plate (8) and middle part connecting plate (9).

3. The ultraviolet curing trenchless pipeline restoration device as claimed in claim 2, wherein: the pushing mechanism (2) comprises: be located movable plate (13) between front portion connecting plate (8) and middle part connecting plate (9), one end is connected on front portion connecting plate (8), the other end is connected and is run through threaded rod (14) of middle part connecting plate (9), and connect threaded rod (14) pass middle part connecting plate (9) one end motor (15), first horizontal pole (11) run through movable plate (13) just movable plate (13) can move on first horizontal pole (11), threaded rod (14) run through movable plate (13) middle part and with movable plate (13) threaded connection.

4. The ultraviolet curing trenchless pipeline restoration device of claim 3, wherein: the walking frame (6) comprises two connecting rods (16), the two connecting rods (16) are arranged in an X-shaped intersecting mode and are hinged to each other at the intersection point of the two connecting rods, the two connecting rods (16) are located on the same side, one end of each connecting rod is hinged to the moving plate (13), the other end of each connecting rod is hinged to the tail connecting plate (10), and the two ends of each connecting rod (16) located on the other side are connected with the walking wheels (4).

5. The ultraviolet curing trenchless pipeline restoration device of claim 4, wherein: the walking wheel (4) pass through buffer assembly (17) with connecting rod (16) are connected, buffer assembly (17) include: with buffer cylinder (18) that connecting rod (16) are connected sets up limiting plate (19) in buffer cylinder (18) sets up buffer cylinder (18) with buffer spring (20) between limiting plate (19) connect buffer beam (21) of limiting plate (19) upper end is connected walking wheel carrier (22) of buffer beam (21) other end, and set up walking wheel (4) on walking wheel carrier (22).

6. The ultraviolet curing trenchless pipeline restoration device as claimed in claim 1, wherein: the ultraviolet light assembly (5) comprises an ultraviolet lamp holder (23) connected with the ultraviolet light frame (7) and an ultraviolet lamp tube (24) arranged on the ultraviolet lamp holder (23).

7. The ultraviolet curing trenchless restoration device for the pipeline as claimed in claim 3, wherein: the UV-rack (7) comprises: two sets of link mechanism (25) and connect two sets ofly link mechanism (26) of link mechanism (25), two sets of the same link mechanism (25) through articulated seat (27) with second horizontal pole (12) and ultraviolet ray subassembly (5) are articulated to be connected, link mechanism (25) include: a first connecting rod (28) and a second connecting rod (29), wherein one end of the first connecting rod (28) is connected with a hinge seat (27) arranged on the second cross rod (12), the other end of the first connecting rod (28) is hinged with one end of the second connecting rod (29), the other end of the second connecting rod (29) is hinged with the hinge seat (27) positioned on the ultraviolet light component (5), and the linkage mechanism (26) comprises: the device comprises a transverse connecting plate (30) and push rods (31), wherein two ends of the transverse connecting plate (30) are hinged to the hinged positions of a first connecting rod (28) and a second connecting rod (29) in two groups of connecting rod mechanisms (25), one end of each push rod (31) is hinged to the transverse connecting plate (30), and the other end of each push rod (31) is hinged to the movable plate (13).

8. The ultraviolet curing trenchless pipeline restoration device of claim 7, wherein: the link mechanism (25) further includes: and one end of the auxiliary rod (32) is hinged with a hinge seat (27) on the second cross rod (12), and the other end of the auxiliary rod (32) is hinged with the second connecting rod (29).

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