阅读说明：本技术 一种公路用可解体式标志支杆及标志牌 (Detachable sign support rod and sign board for highway ) 是由 杨昌松 于 2020-10-27 设计创作，主要内容包括：本发明涉及市政设施技术领域,且公开了一种公路用可解体式标志支杆及标志牌,包括支撑管,支撑管外表面的中部固定连接有夹板,所述支撑管通过夹板、连接板和螺钉与位于其底部的两组底座固定,两组底座对称分布,且两组底座均被螺钉穿过与底座相连接的扣合板并固定,支撑管外表面顶部与连接盘中部固定。该公路用可解体式标志支杆及标志牌,通过支撑管、连接盘、底座、螺钉、连接板和夹板的配合,使得标志支杆能够通过若干组支撑管进行堆叠固定完成组合固定,方便对标志支杆进行拆解和组合,提高了标志支杆的便携性和可替换性,并且连接板和夹板被螺钉锁紧固定后能够对支撑管进行限位支撑。(The invention relates to the technical field of municipal facilities and discloses a detachable sign post and a sign board for a road, which comprise a support tube, wherein the middle part of the outer surface of the support tube is fixedly connected with a clamping plate, the support tube is fixed with two groups of bases positioned at the bottom of the support tube through the clamping plate, a connecting plate and a screw, the two groups of bases are symmetrically distributed, the two groups of bases are fixed by the screw penetrating through a buckling plate connected with the bases, and the top part of the outer surface of the support tube is fixed with the middle part of a connecting disc. This highway is with detachable formula mark branch and denoter through the cooperation of stay tube, connection pad, base, screw, connecting plate and splint for mark branch can pile up fixed completion combination through a plurality of groups stay tube and fix, conveniently disassembles and makes up mark branch, has improved mark branch's portability and replaceability, and connecting plate and splint can carry out spacing support to the stay tube after being fixed by screw locking.)

1. A road is with dismantling formula mark branch, includes stay tube (1), its characterized in that: the top of the outer surface of the supporting tube (1) is fixedly connected with the middle of the connecting disc (2), two groups of bases (3) are symmetrically arranged at the bottom of the outer surface of the supporting tube (1), first connecting holes (4) are formed in the tops of the bases (3) and the top of the connecting disc (2), the front side and the rear side of each base (3) are respectively and fixedly connected with the bottoms of two groups of buckling plates (5), the buckling plates (5) at the tops of two adjacent groups of bases (3) are contacted, second connecting holes (10) are formed in the middle of each buckling plate (5), the two adjacent groups of second connecting holes (10) are respectively penetrated through by one group of screws (6), the outer surfaces of the screws (6) are in threaded connection with the inner wall of a nut, the left side of the top of the base (3) on the left side and the right side of the top of the base (3) in the two adjacent groups of bases (3) are, connecting seat (7) front side inner wall and rear side inner wall rotate with the both ends of pivot (8) respectively and are connected, the middle part of pivot (8) surface and the bottom fixed connection of connecting plate (9), the top of connecting plate (9) stretches into the middle part to two sets of splint (11), is located four groups of same horizontal plane the right side of two sets of splint (11) in left side in splint (11) all with the left side fixed connection of stay tube (1) surface, be located four groups of same horizontal plane the left side of two sets of splint (11) in right side in splint (11) all with the right side fixed connection of stay tube (1) surface, it is fixed through a set of screw (6) and nut all between connecting plate (9) and adjacent two sets of splint (11).

2. A road sign post as claimed in claim 1, wherein: the quantity of the first connecting holes (4) in the surface of the connecting disc (2) is four groups, the quantity of the first connecting holes (4) in the surface of the base (3) is two groups, and the two groups of first connecting holes (4) in the surface of the base (3) are adjacent to each other and are respectively aligned with the four groups of first connecting holes (4) in the surface of the connecting disc (2).

3. The detachable sign post for road according to claim 2, wherein: three or four groups of supporting tubes (1) are longitudinally stacked, the bottom ends of the supporting tubes (1) positioned at the top in the two adjacent groups of supporting tubes (1) are in contact with the top ends of the supporting tubes (1) positioned at the bottom, and the connecting disc (2) and the two adjacent groups of bases (3) penetrate through the first connecting holes (4) on the surfaces of the supporting tubes and are fixedly connected with nuts through four groups of screws (6).

4. A signboard, comprising two sets of positioning discs (12), characterized in that: two sets of the middle part of positioning disk (12) respectively with the left side and the right side fixed connection of crossbeam (14), four sets of locating hole (13) that vertically run through positioning disk (12) are evenly seted up to the upper surface of positioning disk (12), the front side and the rear side of crossbeam (14) bottom respectively with two sets of top fixed connection who hides cover plate (15), it is provided with two sets of mark dish (24) to hide cover plate (15) inboard, two sets of mark dish (24) respectively with two sets of recovery unit's bottom fixed connection, recovery unit's top is installed in the bottom of crossbeam (14), and two sets of recovery unit symmetric distribution.

5. A sign board according to claim 4, wherein: the recovery device comprises a first fixing seat (16), the top of the first fixing seat (16) is fixedly connected with the bottom of a cross beam (14), the rear side of the first fixing seat (16) is in threaded connection with the front side of a motor (17), the output end of the motor (17) penetrates through the first fixing seat (16) and is fixedly connected with the top end of a rotary arm (18), a bending arm (19) is arranged on the front side of the rotary arm (18), the top end and the bottom end of the bending arm (19) are respectively and rotatably connected with one end of two groups of pin shafts (20), the other ends of the pin shafts (20) positioned at the top in the two groups of pin shafts (20) are clamped with the bottom end of the rotary arm (18), the other ends of the pin shafts (20) positioned at the bottom in the two groups of pin shafts (20) are clamped with the middle of a fixing beam (22), the top end of the fixing beam (22) is fixedly connected with the rear end of a positioning shaft (21), and the front end of the positioning shaft (21) is fixedly, the top and crossbeam (14) bottom fixed connection of second fixing base (25), the bottom of fixed beam (22) and the rear end joint of center pin (23), the front end and the mark dish (24) rear side middle part fixed connection of center pin (23), mark dish (24) stretch out to the bottom of two sets of cover plates (15).

6. A sign board according to claim 5, wherein: two sets of preceding side shield plate (15) are transparent plastic plate in shield plate (15), and are two sets of rear side shield plate (15) are the metal sheet in shield plate (15), and are two sets of shield plate (15) and crossbeam (14) junction evenly are provided with ten sets of triangle-shaped strengthening ribs, triangle-shaped strengthening rib respectively with shield plate (15) and crossbeam (14) fixed connection.

7. A sign board according to claim 5, wherein: the height of the shielding plates (15) is larger than the diameter of the marking disc (24), and the gap between the two groups of shielding plates (15) is larger than the sum of the thicknesses of the rotary arm (18), the bending arm (19) and the fixed beam (22).

Technical Field

The invention relates to the technical field of municipal facilities, in particular to a detachable sign support rod and a sign board for a highway.

Background

The municipal facilities refer to public facilities built by government, legal, or citizens, and generally refer to various buildings, structures, equipment, etc. within a planned area. Facilities and subsidiary facilities such as urban roads (including bridges), urban rail transit, water supply, drainage, gas, heating power, landscaping, environmental sanitation, road lighting, industrial waste medical waste, household waste treatment equipment, fields and the like, wherein the common municipal facilities on the roads are signboards.

The existing signboard has small bearing strength on wind resistance strength, and is easy to cause the phenomena of bending and damage of parts caused by strong wind on a highway with a longer route.

Chinese patent publication No. CN106592457A proposes a frame structure for highway signboards, and through the device, the inventor finds the following problems in the prior art in the process of implementing the present invention: 1. this kind of frame construction for highway denoter is bulky, and transportation, installation and maintenance are changed the part and all comparatively inconvenient, and corresponding economic cost is great 2, its denoter rotation back sign face down for the driver can't see the road surface sign, and then has influenced the use of denoter, and its practicality is relatively poor, and 3, the frame that the device used is stable inadequately, and the security performance is relatively poor.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a detachable sign post and a sign board for a highway, which have the advantages of being convenient for disassembling and transporting the sign post and replacing components, and being capable of protecting the sign board without blocking the view of a driver, and the like.

(II) technical scheme

In order to realize the purposes of conveniently disassembling and transporting the sign post and replacing the components and protecting the signboard without blocking the view of a driver, the invention provides the following technical scheme: a detachable sign support rod for a road comprises a support tube, wherein the top of the outer surface of the support tube is fixedly connected with the middle of a connecting disc, two groups of bases are symmetrically arranged at the bottom of the outer surface of the support tube, first connecting holes are formed in the tops of the bases and the top of the connecting disc, the front side and the rear side of each base are fixedly connected with the bottoms of two groups of buckling plates respectively, the buckling plates at the tops of two adjacent groups of bases are in contact with each other, second connecting holes are formed in the middles of the buckling plates, two adjacent groups of second connecting holes are penetrated through by a group of screws, the outer surfaces of the screws are in threaded connection with the inner wall of a nut, the left sides of the tops of the bases on the left side and the right sides of the bases in the two adjacent groups of bases are fixedly connected with the bottoms of two groups of connecting bases respectively, the middle part of pivot surface and the bottom fixed connection of connecting plate, the top of connecting plate stretches into the middle part to two sets of splint, is located four groups of same horizontal plane the right side of the two sets of splint of left side all with the left side fixed connection of stay tube surface in the splint, be located four groups of same horizontal plane the left side of the two sets of splint of right side all with the right side fixed connection of stay tube surface in the splint, it is fixed through a set of screw and nut all between connecting plate and the adjacent two sets of splint.

Preferably, the number of the first connecting holes on the surface of the connecting disc is four, the number of the first connecting holes on the surface of the base is two, and the four groups of first connecting holes on the surface of the base are respectively aligned with the four groups of first connecting holes on the surface of the connecting disc.

Preferably, the three or four groups of support tubes are longitudinally stacked, the bottom ends of the support tubes positioned at the top in the two adjacent groups of support tubes are in contact with the top ends of the support tubes positioned at the bottom, and the connecting disc and the two adjacent groups of bases penetrate through the first connecting holes in the surfaces of the two groups of support tubes through the four groups of screws and are fixedly connected with the nuts in a threaded manner.

The invention provides a signboard, which comprises two groups of positioning discs, wherein the middle parts of the two groups of positioning discs are respectively and fixedly connected with the left side and the right side of a cross beam, four groups of positioning holes longitudinally penetrating through the positioning discs are uniformly formed in the upper surfaces of the positioning discs, the front side and the rear side of the bottom of the cross beam are respectively and fixedly connected with the tops of two groups of shielding plates, two groups of marking discs are arranged on the inner sides of the shielding plates, the two groups of marking discs are respectively and fixedly connected with the bottoms of two groups of recovery devices, the tops of the recovery devices are arranged at the bottom of the cross beam, and the two groups of recovery devices are symmetrically distributed.

Preferably, the recovery device comprises a first fixed seat, the top of the first fixed seat is fixedly connected with the bottom of the cross beam, the rear side of the first fixed seat is in threaded connection with the front side of the motor, the output end of the motor penetrates through the first fixed seat and is fixedly connected with the top end of the revolving arm, the front side of the revolving arm is provided with a bending arm, the top end and the bottom end of the bending arm are respectively and rotatably connected with one end of two groups of pin shafts, the other end of the pin shaft positioned at the top in the two groups of pin shafts is clamped with the bottom end of the revolving arm, the other end of the pin shaft positioned at the bottom in the two groups of pin shafts is clamped with the middle part of the fixed beam, the top end of the fixed beam is fixedly connected with the rear end of the positioning shaft, the front end of the positioning shaft is fixedly connected with the middle part of the second fixed seat, the top of the second fixed, the front end of the central shaft is fixedly connected with the middle part of the rear side of the mark disc, and the mark disc extends out of the bottoms of the two groups of shielding plates.

Preferably, the front side shield plate in two sets of shield plates is a transparent plastic plate, the rear side shield plate in two sets of shield plates is a metal plate, and the joints of the shield plates and the cross beam are uniformly provided with ten sets of triangular reinforcing ribs which are respectively fixedly connected with the shield plates and the cross beam.

Preferably, the height of the shielding plates is larger than the diameter of the marking disc, and the gap between the two groups of shielding plates is larger than the sum of the thicknesses of the rotary arm, the bending arm and the fixed beam.

(III) advantageous effects

Compared with the prior art, the invention provides a detachable sign support rod for a road, which has the following beneficial effects:

1. this highway is with detachable mark branch and denoter, through the stay tube, the connection pad, a pedestal, the screw, the cooperation of connecting plate and splint, make mark branch pile up fixed completion combination through a plurality of groups's stay tubes and fix, conveniently disassemble and make up mark branch, mark branch's portability and replaceability have been improved, and when the stay tube part needs maintenance change, only need to change the stay tube part that needs to be changed can, corresponding cost of transportation and maintenance change spare part cost have been reduced, and connecting plate and splint can carry out spacing support to the stay tube after being fixed by screw locking.

2. This highway is with can demolish formula mark branch and denoter, the output through the motor drives the slewing arm and rotates, thereby drive the arm pulling fixed beam of buckling and go on and use the fixed beam upwards to deflect as the center, move to between two sets of shielding plates until the marking disc, in order to avoid strong wind to blow the deformation with the marking disc, front side shielding plate is transparent plastic board in through two sets of shielding plates, when making the marking disc take in between two sets of shielding plates, make the driver still can see marking disc surface identification.

3. This highway is with detachable formula mark branch and denoter, the diameter that highly is greater than the marking disc through shielding the cover plate for the marking disc can be taken in completely between two sets of shielding plates, avoid the strong wind to blow and cause the marking disc to warp, be greater than the thickness sum of slewing arm, bending arm and fixed beam through the clearance between two sets of shielding plates, avoid shielding the cover plate to the slewing arm, the angle transformation and the removal production of bending arm and fixed beam interfere, improved the smoothness nature that recovery unit used.

Drawings

FIG. 1 is a schematic view of a stack of support tubes according to the present invention;

FIG. 2 is a schematic view of the support tube of the present invention;

FIG. 3 is a schematic view of a base structure according to the present invention;

FIG. 4 is a schematic structural view of a cross beam according to the present invention;

FIG. 5 is a schematic view of the recycling apparatus of the present invention;

FIG. 6 is a schematic view of the assembly structure of the present invention.

In the figure: 1. supporting a tube; 2. a connecting disc; 3. a base; 4. a first connection hole; 5. buckling the plate; 6. A screw; 7. a connecting seat; 8. a rotating shaft; 9. a connecting plate; 10. a second connection hole; 11. a splint; 12. Positioning a plate; 13. positioning holes; 14. a cross beam; 15. a mask plate; 16. a first fixed seat; 17. a motor; 18. a swivel arm; 19. a bending arm; 20. a pin shaft; 21. positioning the shaft; 22. a fixed beam; 23. a central shaft; 24. a logo plate; 25. a second fixed seat.

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. 1-3 and fig. 6, a detachable sign post for a road comprises a supporting tube 1, the top of the outer surface of the supporting tube 1 is fixedly connected with the middle of a connecting plate 2, two sets of bases 3 are symmetrically arranged at the bottom of the outer surface of the supporting tube 1, the top of the base 3 and the top of the connecting plate 2 are both provided with a first connecting hole 4, the front side and the rear side of the base 3 are respectively fixedly connected with the bottoms of two sets of buckling plates 5, the buckling plates 5 at the tops of two adjacent sets of bases 3 are contacted, the middle of the buckling plates 5 is provided with a second connecting hole 10, two adjacent sets of second connecting holes 10 are both penetrated by a set of screw 6, the outer surface of the screw 6 is screwed with the inner wall of a nut, the left side of the top of the base 3 at the left side and the right side of the top of the base 3 in the two adjacent sets of bases 3 are respectively fixedly connected with the bottoms, the middle part of 8 surfaces of pivot and the bottom fixed connection of connecting plate 9, the top of connecting plate 9 stretches into the middle part to two sets of splint 11, the right side of the two sets of splint 11 in the left side all with the left side fixed connection of 1 surface of stay tube in the four splint 11 of the same horizontal plane, the left side of the two sets of splint 11 in the right side all with the right side fixed connection of 1 surface of stay tube in the four splint 11 of the same horizontal plane, all fixed through a set of screw 6 and nut between connecting plate 9 and the adjacent two sets of splint 11.

In the invention, in order to enable the mark support rod to be stacked and fixed through a plurality of groups of support tubes 1 to complete combined fixation, the mark support rod is convenient to disassemble and combine, the portability and the replaceability of the mark support rod are improved, the number of first connecting holes 4 on the surface of the connecting disc 2 is four, the number of first connecting holes 4 on the surface of the base 3 is two, four groups of first connecting holes 4 on the surface of two adjacent groups of bases 3 are respectively aligned with four groups of first connecting holes 4 on the surface of the connecting disc 2, three or four groups of support tubes 1 are longitudinally stacked, the bottom end of the support tube 1 positioned at the top in the two adjacent groups of support tubes 1 is contacted with the top end of the support tube 1 positioned at the bottom, the connecting disc 2 and the two adjacent groups of bases 3 penetrate through the first connecting holes 4 on the surfaces of the two groups, first place two sets of bases 3 in the bottom of a set of stay tube 1 to ensure that two sets of bases 3 align and contact, then rotate connecting plate 9 to its top and stretch into between two sets of adjacent splint 11, then use screw 6 to pass connecting plate 9 and splint 11 and fixed with nut locking, then use the steel nail to pass the first connecting hole 4 in base 3 surface and fixed with ground, then pile up two sets of or three sets of stay tubes 1 with subaerial stay tube 1 in proper order, and connect fixedly with multiunit stay tube 1 according to above-mentioned step, make the mark branch can disassemble and make up.

On the other hand, referring to fig. 4-6, the present invention provides a signboard, which includes two sets of positioning discs 12, wherein the middle portions of the two sets of positioning discs 12 are respectively and fixedly connected with the left side and the right side of a cross beam 14, four sets of positioning holes 13 longitudinally penetrating through the positioning discs 12 are uniformly formed on the upper surface of the positioning discs 12, the front side and the rear side of the bottom of the cross beam 14 are respectively and fixedly connected with the tops of two sets of shielding plates 15, two sets of marking discs 24 are arranged on the inner side of the shielding plates 15, the two sets of marking discs 24 are respectively and fixedly connected with the bottoms of two sets of recovery devices, the tops of the recovery devices are mounted at the bottom of the cross beam.

In the invention, in order to retract the sign disc 24, the recovery device comprises a first fixed seat 16, the top of the first fixed seat 16 is fixedly connected with the bottom of the cross beam 14, the rear side of the first fixed seat 16 is in threaded connection with the front side of a motor 17, the output end of the motor 17 penetrates through the first fixed seat 16 and is fixedly connected with the top end of a rotary arm 18, the front side of the rotary arm 18 is provided with a bending arm 19, the top end and the bottom end of the bending arm 19 are respectively and rotatably connected with one end of two groups of pin shafts 20, the other end of the pin shaft 20 positioned at the top in the two groups of pin shafts 20 is clamped with the bottom end of the rotary arm 18, the other end of the pin shaft 20 positioned at the bottom in the two groups of pin shafts 20 is clamped with the middle of a fixed beam 22, the top end of the fixed beam 22 is fixedly connected with the rear end of a positioning shaft 21, the front end of the positioning shaft 21 is fixedly connected with the middle of, the front end of center pin 23 and marker disc 24 rear side middle part fixed connection, marker disc 24 stretches out to the bottom of two sets of shielding plates 15, under being in strong wind weather, starter motor 17, motor 17's output drives slewing arm 18 and rotates, and then drives bending arm 19 and remove, thereby make bending arm 19 pulling fixed beam 22 go on and use fixed beam 22 to upwards deflect as the center, move to between two sets of shielding plates 15 until marker disc 24, in order to avoid strong wind to blow the deformation with marker disc 24.

In the invention, in order to enable a driver to still see the surface marks of the marker disk 24 when the marker disk 24 is put between the two groups of shielding plates 15, the front side shielding plate 15 in the two groups of shielding plates 15 is a transparent plastic plate, so that the driver can see the marker disk 24 through the shielding plate 15, the rear side shielding plate 15 in the two groups of shielding plates 15 is a metal plate, ten groups of triangular reinforcing ribs are uniformly arranged at the joints of the two groups of shielding plates 15 and the cross beam 14, the triangular reinforcing ribs are respectively fixedly connected with the shielding plates 15 and the cross beam 14, the fixing stability between the shielding plates 15 and the cross beam 14 is improved, and the influence of strong wind weather on the shielding plates 15 is reduced.

In the invention, in order to avoid the deformation of the marker disk 24 caused by the blowing of strong wind, the height of the shielding plates 15 is larger than the diameter of the marker disk 24, so that the marker disk 24 can be completely retracted between the two groups of shielding plates 15, the gap between the two groups of shielding plates 15 is larger than the sum of the thicknesses of the rotary arm 18, the bending arm 19 and the fixed beam 22, the interference of the shielding plates 15 on the angle transformation and the movement of the rotary arm 18, the bending arm 19 and the fixed beam 22 is avoided, and the use fluency of the recovery device is improved.

When the device is used, the mark support rod is assembled firstly when the device is assembled and fixed, firstly, two groups of bases 3 are placed at the bottom of one group of support tubes 1, the two groups of bases 3 are ensured to be aligned and contacted, then the connecting plate 9 is rotated until the top of the connecting plate extends into the space between two adjacent groups of clamping plates 11, then screws 6 are used for penetrating through the connecting plate 9 and the clamping plates 11 and locking and fixing with nuts, then steel nails are used for penetrating through the first connecting holes 4 on the surface of the bases 3 and fixing with the ground, then two groups or three groups of support tubes 1 are stacked with the support tubes 1 on the ground in sequence, and the groups of support tubes 1 are connected and fixed according to the steps, so that the mark support rod can be disassembled and combined, the portability and the replaceability of the mark support rod are improved, then two groups of positioning discs 12 are placed on the two groups of assembled mark support rods, and the positioning holes 13 on the, then, the positioning disc 12 and the connecting disc 2 are locked and fixed by using the screws 6, the mark disc 24 is positioned at the bottom of the shielding plate 15 in normal weather, so that a driver can clearly see the mark disc 24, when the positioning disc is in strong wind weather, the motor 17 is started, the output end of the motor 17 drives the rotary arm 18 to rotate, and then the bending arm 19 is driven to move, so that the bending arm 19 pulls the fixing beam 22 to deflect upwards by taking the fixing beam 22 as a center until the mark disc 24 moves between the two groups of shielding plates 15, so that the mark disc 24 is prevented from being blown and deformed by strong wind, and the driver can see the mark disc 24 in driving.

To sum up, the detachable sign post and sign board for the highway can be stacked and fixed through a plurality of groups of supporting tubes 1 by matching the supporting tubes 1, the connecting discs 2, the base 3, the screws 6, the connecting plates 9 and the clamping plates 11 to complete combined fixation, the sign post is convenient to detach and combine, the portability and the replaceability of the sign post are improved, the supporting tubes 1 can be limited and supported after the connecting plates 9 and the clamping plates 11 are locked and fixed by the screws 6, the output end of the motor 17 drives the rotary arm 18 to rotate, so that the bending arm 19 is driven to pull the fixed beam 22 to deflect upwards by taking the fixed beam 22 as a center until the sign disc 24 moves between the two groups of shielding plates 15 to prevent strong wind from blowing the sign disc 24 to deform, and the front shielding plate 15 in the two groups of shielding plates 15 is a transparent plastic plate, when the marking disc 24 is put between the two groups of shielding plates 15, a driver can still see the surface marks of the marking disc 24, the rear shielding plate 15 in the two groups of shielding plates 15 is a metal plate, ten groups of triangular reinforcing ribs are uniformly arranged at the joint of the two groups of shielding plates 15 and the cross beam 14, the triangular reinforcing ribs are respectively fixedly connected with the shielding plates 15 and the cross beam 14, the fixing stability between the shielding plates 15 and the cross beam 14 is improved, the influence of strong wind weather on the shielding plates 15 is reduced, the marking disc 24 can be completely put between the two groups of shielding plates 15 by the height of the shielding plates 15 being larger than the diameter of the marking disc 24, the deformation of the marking disc 24 caused by strong wind blowing is avoided, the clearance between the two groups of shielding plates 15 is larger than the sum of the thicknesses of the rotary arms 18, the bending arms 19 and the fixed beams 22, and the interference of the shielding plates 15 on the angle transformation and the movement of the rotary arms 18, the bending, the fluency of the recovery device is improved.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

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