CN215882658U - A auxiliary positioning device that is used for HDPE double-walled winding pipe to dock - Google Patents

Abstract

The application discloses an auxiliary positioning device for butt joint of HDPE double-walled winding pipe belongs to pipeline concatenation auxiliary device technical field, including base, setting be used for placing fixed station, drive assembly, two support columns, backup pad and the strengthening rib of treating to dock double-walled winding pipe on the base upper surface, the fixed station top is seted up and is treated the double-walled winding socle portion complex arc recess of concatenation, be provided with electric putter on the bottom surface of backup pad, be provided with on the bottom surface of backup pad and be used for making electric putter to the displacement subassembly of keeping away from or being close to the direction motion of base, electric putter's lower extreme is fixed with the fixed plate, the bottom surface of fixed plate is provided with the movable plate, the bottom surface of fixed plate is provided with and is used for making the movable plate to the removal subassembly of being close to or keeping away from the motion of double-walled winding pipe direction. This application has the effect that reduces the degree of difficulty of placing double-walled winding pipe on auxiliary positioning device.

Description

A auxiliary positioning device that is used for HDPE double-walled winding pipe to dock

Technical Field

The application relates to the technical field of pipeline splicing auxiliary devices, in particular to an auxiliary positioning device for butt joint of HDPE double-wall winding pipes.

Background

The double-flat-wall plastic steel wound pipeline is mainly applied to the fields of drainage, pollution discharge, water delivery, pipeline hotels, culverts and the like. The anti-static anti-corrosion composite pipe has the characteristics of static resistance, corrosion resistance, high strength, light weight, easiness in installation, long service life and the like, gradually replaces a metal pipeline, and has a wide application prospect.

The utility model discloses a two flat wall plastic steel winding pipe concatenation auxiliary device is disclosed in the chinese utility model patent of grant notice number CN212265043U, relate to pipeline concatenation auxiliary device field, to current two flat wall plastic steel winding pipe in the concatenation, can not be quick find accurate, the problem of the efficiency of great reduction installation concatenation, the scheme that now proposes, it includes the base, T type spout has all been seted up to the left and right both sides of base upper surface, be provided with T type slider in the T type spout, left and right two be provided with two-way hydraulic stem, every between the T type spout the equal fixedly connected with underframe in upper end of T type slider, every the equal fixedly connected with pole in the left and right both sides inner wall of underframe, every the equal activity of surface of pole has cup jointed a plurality of first rings, every equal fixedly connected with arc pole on the first ring.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the existing auxiliary positioning device mostly adopts manpower to place the double-wall winding pipe on the auxiliary positioning device, so that the efficiency is lower and the operation is inconvenient.

SUMMERY OF THE UTILITY MODEL

In order to reduce the degree of difficulty of placing double-walled winding pipe on auxiliary positioning device, this application provides an auxiliary positioning device that is used for HDPE double-walled winding pipe butt joint.

The application provides an auxiliary positioning device for butt joint of HDPE double-walled winding pipe adopts following technical scheme:

an auxiliary positioning device for butt joint of HDPE double-wall winding pipes comprises a base, two symmetrically arranged fixed tables arranged on the upper surface of the base and used for placing double-wall winding pipes to be butted, two driving assemblies arranged on the base and used for driving the two fixed tables to be close to or away from each other, two supporting columns arranged on two sides of the base respectively, a supporting plate fixed on the supporting columns and a reinforcing rib integrally formed with the supporting columns and the supporting plate, wherein an arc-shaped groove matched with the bottom of the double-wall winding pipes to be spliced is formed in the top of each fixed table, an electric push rod is arranged on the bottom surface of each supporting plate, a displacement assembly used for enabling the electric push rod to move towards the direction far away from or close to the base is arranged on the bottom surface of each supporting plate, a fixed plate is fixed at the lower end of each electric push rod, a movable plate is arranged on the bottom surface of each fixed plate, and a moving assembly used for enabling the movable plate to move towards the direction close to or far away from the double-wall winding pipes is arranged on the bottom surface of each fixed plate, the movable plate is fixed with first crescent plate on being close to the lateral wall of double-walled winding pipe one side, set up the cross spout that runs through first crescent plate on the surface of first crescent plate, it has second crescent plate to slide in the cross spout, be provided with on the second crescent plate and be used for making second crescent plate along sliding tray extending direction pivoted runner assembly.

Through the technical scheme, when the staff need dock double-walled winding pipe, the staff only need start electric putter, when first crescent moon dental lamina and wait to dock double-walled winding pipe and be located same horizontal plane, the staff need close electric putter, and open and remove the subassembly, make the movable plate and with the fixed first crescent moon dental lamina of movable plate to being close to double-walled winding pipe direction motion, when first crescent moon dental lamina hugs closely with double-walled winding pipe, the staff need close and remove the subassembly, at this moment, the staff need open the runner assembly and make second crescent moon dental lamina rotate along sliding tray extending direction, press from both sides double-walled winding pipe tightly until first crescent moon dental lamina and second crescent moon dental lamina. Subsequently, the staff need start electric putter again, make double-walled winding pipe upward movement and finally close electric putter when being located same horizontal plane with the arc recess, reduce the degree of difficulty of placing double-walled winding pipe on auxiliary positioning device, be favorable to going on of double-arm winding pipe butt joint work. Further, the staff need start the displacement subassembly, makes double-walled winding pipe to the direction motion that is close to the fixed station, and when double-walled winding pipe was located directly over the fixed station, the staff need close the displacement subassembly and start electric putter and place double-walled winding pipe on the fixed station, and at this moment, the staff need close electric putter and make second February tooth board reset. Finally, the worker only needs to open the driving assembly, the two double-wall winding pipes can be close to each other, and when the two double-wall winding pipes are close to each other, the worker only needs to close the driving assembly.

Furthermore, a first dovetail groove is formed in the bottom surface of the supporting plate, the displacement assembly comprises a first sliding block sliding in the first dovetail groove, a first motor fixed on the side wall of the supporting plate close to one side of the base and a first threaded rod fixed on an output shaft of the first motor, one end, far away from the first motor, of the first threaded rod is rotatably arranged on the side wall of the first dovetail groove far away from one side of the first motor, and the first threaded rod penetrates through the first sliding block and is in threaded connection with the first sliding block.

Through the technical scheme, when the staff need make electric putter to the direction motion of keeping away from or being close to the base, the staff only need open first motor, make and fix the first threaded rod on first motor output shaft and rotate, because first slider and first threaded rod threaded connection, first slider slides with first dovetail and is connected, thereby first slider, electric putter with first slider fixed connection, the fixed plate fixed with electric putter, the movable plate that slides with the fixed plate and is connected, fix first crescent moon tooth board and second crescent moon tooth board on the movable plate and by the tight double-walled winding pipe of first crescent moon tooth board and second crescent moon tooth board clamp to the direction motion that is close to the fixed station, when the double-walled winding pipe removed to the fixed station top, the staff need stop first motor.

Furthermore, a second dovetail groove is formed in the bottom surface of the moving plate, the moving assembly comprises a second sliding block sliding in the second dovetail groove, a second motor fixed on the side wall of the moving plate close to one side of the base and a second threaded rod fixed on an output shaft of the second motor, one end, far away from the second motor, of the second threaded rod is rotatably arranged on the side wall of the second dovetail groove far away from one side of the second motor, and the second threaded rod penetrates through the second sliding block and is in threaded connection with the second sliding block.

Through the technical scheme, when the worker needs to enable the moving plate to move towards the direction close to or far away from the double-wall winding pipe, the worker only needs to start the second motor to enable the second threaded rod fixed on the output shaft of the second motor to rotate, and the second slider is connected with the second threaded rod in a sliding mode and is connected with the second dovetail groove in a sliding mode, so that the second slider, the moving plate fixedly connected with the second slider and the first crescent plate fixed on the moving plate move towards the direction close to the double-wall winding pipe until the first crescent plate is attached to the side wall of the double-wall winding pipe, and the worker needs to stop the second motor.

Furthermore, the rotating assembly is fixed on a third motor on the side wall of one side of the fixing plate, a gear fixed to the end portion of an output shaft of the third motor and a rack fixed to the outer surface of the second crescent plate, and the gear is meshed with the rack.

Through above-mentioned technical scheme, when the staff need make the second crescent plate rotate along sliding tray extending direction, the staff only need open the third motor, make the gear revolve who fixes at third motor output shaft tip, because gear and rack meshing, rack and second crescent plate surface fixed connection to the rack rotates with rack fixed connection's second crescent plate, presss from both sides double-walled winding pipe tightly until second crescent plate and first crescent plate, and the staff need stop the third motor.

Further, the sliding tray of two mutual symmetries is seted up to the upper surface of base, two drive assembly sets up respectively in two sliding trays, drive assembly is including fixing the cylinder in sliding tray one end and sliding block of slip in the sliding tray, the upper surface of sliding block and the bottom surface reciprocal anchorage of fixed station, the one end that the piston rod of cylinder is close to the sliding block is fixed on the sliding block.

Through above-mentioned technical scheme, when the staff need drive two fixed stations and be close to each other or keep away from, the staff only need open the cylinder, make the piston rod of cylinder to being close to or keeping away from the direction motion of support column, because sliding block and piston rod fixed connection, the upper surface of sliding block and the bottom surface reciprocal anchorage of fixed station to the sliding block with sliding block fixed connection's fixed station to being close to or keeping away from the direction motion of support column, when two fixed stations were close to each other or kept away from, the staff need close the cylinder.

Furthermore, a controller is fixed on the side wall of one side of the base and electrically connected with the first motor, the second motor, the third motor and the cylinder.

Through the technical scheme, when the staff need control opening and closing of first motor, second motor, third motor and cylinder, the staff only need can accomplish control through the controller, need not to look for the control switch who is located first motor, second motor, third motor and cylinder, has reduced the degree of difficulty that the staff controlled first motor, second motor, third motor and cylinder, has improved staff's work efficiency.

Further, both ends of the sliding groove are open.

Through the technical scheme, when the fixing table needs to be replaced or overhauled by a worker, the worker can slide the fixing table out of the sliding groove through the opening of the sliding groove, and the replacement and overhauling difficulty of the worker is reduced.

Furthermore, a baffle is fixed at the position of one side of the arc-shaped groove, which is close to the support column.

Through above-mentioned technical scheme, when two wait to dock double-walled winding pipe docks, the staff need make two wait to dock double-walled winding pipe and be close to each other, and the baffle has reduced double-walled winding pipe this moment because the probability of effort roll-off arc recess each other, has reduced the degree of difficulty that the staff docked double-walled winding pipe.

In summary, the present application includes at least one of the following advantageous technical effects:

(1) in this application, when the staff need dock double-walled winding pipe, the staff only need start electric putter, when first crescent plate with wait to dock double-walled winding pipe and be located same horizontal plane, the staff need close electric putter, and open the removal subassembly, make the movable plate and with the fixed first crescent plate of movable plate to being close to double-walled winding pipe direction motion, when first crescent plate is hugged closely with double-walled winding pipe, the staff need close the removal subassembly, at this moment, the staff need open the runner assembly and make second crescent plate rotate along sliding tray extending direction, press from both sides double-walled winding pipe tightly until first crescent plate and second crescent plate. Subsequently, the staff need start electric putter again, make double-walled winding pipe upward movement and finally close electric putter when being located same horizontal plane with the arc recess, reduce the degree of difficulty of placing double-walled winding pipe on auxiliary positioning device, be favorable to going on of double-arm winding pipe butt joint work. Further, the staff need start the displacement subassembly, makes double-walled winding pipe to the direction motion that is close to the fixed station, and when double-walled winding pipe was located directly over the fixed station, the staff need close the displacement subassembly and start electric putter and place double-walled winding pipe on the fixed station, and at this moment, the staff need close electric putter and make second February tooth board reset. Finally, the two double-wall winding pipes can be close to each other only by opening the driving assembly, and when the two double-wall winding pipes are close to each other, the driving assembly can be closed only by the worker;

(2) in the application, when a worker needs to replace or overhaul the fixed table, the worker can slide the fixed table out of the sliding groove through the opening of the sliding groove, so that the replacement and overhaul difficulty of the worker is reduced;

(3) in this application, when two wait to dock double-walled winding pipe butt joints, the staff need make two wait to dock double-walled winding pipe and be close to each other, and the baffle has reduced double-walled winding pipe this moment because the probability of effort roll-off arc recess each other, has reduced the degree of difficulty that the staff docked double-walled winding pipe.

Drawings

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

FIG. 2 is a schematic view of the connection structure between the support post and the displacement assembly according to the present invention;

FIG. 3 is a schematic view of the connection structure between the movable assembly and the rotating assembly according to the present invention;

FIG. 4 is a schematic view illustrating a first crescent plate and a second crescent plate according to the present invention;

FIG. 5 is a schematic view of a connection structure between the highlighting driving assembly and the fixing stage according to the present invention.

The reference numbers in the figures illustrate:

1. a base; 11. a controller; 2. a double-walled wound pipe; 3. a fixed table; 31. a baffle plate; 32. an arc-shaped groove; 4. a drive assembly; 41. a cylinder; 42. a slider; 43. a sliding groove; 5. a support pillar; 51. reinforcing ribs; 6. a support plate; 61. an electric push rod; 62. a fixing plate; 63. moving the plate; 64. a first crescent plate; 65. a second February tooth plate; 66. a cross-shaped chute; 7. a displacement assembly; 71. a first slider; 72. a first motor; 73. a first threaded rod; 74. a first dovetail groove; 8. a moving assembly; 81. a second slider; 82. a second motor; 83. a second threaded rod; 84. a second dovetail groove; 9. a rotating assembly; 91. a third motor; 92. a gear; 93. a rack.

Detailed Description

The technical solution in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application; it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments, and all other embodiments obtained by those of ordinary skill in the art without any inventive work based on the embodiments in the present application belong to the protection scope of the present application.

In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be 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 meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

The present application is described in further detail below with reference to the attached drawings.

The embodiment of the application discloses an auxiliary positioning device for butting HDPE double-wall winding pipes, please refer to fig. 1-5, which comprises a base 1, a fixed table 3, a driving assembly 4, a supporting column 5, a supporting plate 6, a reinforcing rib 51, an electric push rod 61, a displacement assembly 7, a fixed plate 62, a moving plate 63, a moving assembly 8, a first crescent plate 64, a second crescent plate 65 and a rotating assembly 9. The top of base 1 is the rectangle platelike structure that the level set up, and fixed station 3 is the rectangular bodily form structure, and fixed station 3 sets up the upper surface at base 1, and fixed station 3's top is seted up and is treated the double-walled winding pipe 2 bottom complex arc recess 32 of concatenation.

Two mutual symmetries and both ends open-ended sliding tray 43 have been seted up to the upper surface of base 1, and drive assembly 4 is equipped with two sets ofly, and two sets of drive assembly 4 set up respectively in two sliding tray 43, and drive assembly 4 includes cylinder 41 and sliding block 42. The cylinder 41 is fixed at one end of the sliding groove 43, and the axis of the piston rod of the cylinder 41 is horizontal. The sliding block 42 is a rectangular block structure, the side wall of the sliding block 42 close to the piston rod side of the cylinder 41 is fixed with the piston rod of the cylinder 41, and the upper surface of the sliding block 42 is fixed with the bottom surface of the fixed table 3.

The support column 5 is a cylindrical structure, the axis of the support column is vertical, and the two support columns 5 are arranged on two sides of the base 1 respectively. The supporting plate 6 is a horizontally arranged rectangular plate-shaped structure, and the supporting plate 6 is fixed on the supporting column 5. The reinforcing ribs 51 are rectangular plate-shaped structures, and the reinforcing ribs 51, the supporting columns 5 and the supporting plates 6 form a triangular structure and are integrally formed. The electric push rod 61 is arranged on the bottom surface of the support plate 6, and the bottom surface of the support plate 6 is provided with a first dovetail groove 74.

The displacement assembly 7 is arranged on the bottom surface of the supporting plate 6 and is used for enabling the electric push rod 61 to move towards the direction far away from or close to the base 1, and the displacement assembly 7 comprises a first sliding block 71, a first motor 72 and a first threaded rod 73. The first slider 71 is a block structure with a dovetail-shaped cross section, and the first slider 71 slides in the first dovetail groove 74 and is connected in a sliding manner. The first motor 72 is fixed on the side wall of the support plate 6 on the side away from the support column 5, the axis of the output shaft of the first motor 72 is parallel to the axis of the double-wall winding pipe 2, and the output shaft of the first motor 72 penetrates through the side wall of the support plate 6 and extends into the first dovetail groove 74. The axis of the first threaded rod 73 coincides with the axis of the output shaft of the first motor 72, one end of the first threaded rod 73 is fixed to the end of the output shaft of the first motor 72, the other end of the first threaded rod 73 is rotatably connected to the side wall of the first dovetail groove 74 far away from the first motor 72, and the first threaded rod 73 penetrates through the first slider 71 and is in threaded connection.

The fixing plate 62 is a rectangular plate-shaped structure, and the fixing plate 62 is fixed at the lower end of the electric push rod 61. The moving plate 63 has a rectangular plate-like structure, and the moving plate 63 is provided on the bottom surface of the fixed plate 62. The bottom surface of the fixed plate 62 is provided with a second dovetail groove 84, the moving assembly 8 is arranged on the fixed plate 62 and used for enabling the moving plate 63 to move towards or away from the double-wall winding pipe 2, and the moving assembly 8 comprises a second sliding block 81, a second motor 82 and a second threaded rod 83. The second slider 81 is a block structure having a dovetail-shaped cross section, and the second slider 81 slides in the second dovetail groove 84. The second motor 82 is fixed on the side wall of the fixing plate 62 near the base 1, the axis of the output shaft of the second motor 82 is parallel to the axis of the double-wall winding pipe 2, and the output shaft of the second motor 82 penetrates through the side wall of the fixing plate 62 and extends into the second dovetail groove 84. The axis of the second threaded rod 83 coincides with the axis of the output shaft of the second motor 82, one end of the second threaded rod 83 is fixed to the end of the output shaft of the second motor 82, the other end of the second threaded rod 83 is rotatably connected to the side wall of the second dovetail groove 84 on the side far away from the second motor 82, and the second threaded rod 83 penetrates through the second sliding block 81 and is in threaded connection.

The first crescent plate 64 is a plate-shaped structure with a crescent cross section, the first crescent plate 64 is fixed on the side wall of the moving plate 63 close to one side of the double-wall winding pipe 2, and the outer surface of the first crescent plate 64 is provided with a cross-shaped sliding groove 66 penetrating through the first crescent plate 64. The second crescent plate 65 is a plate-shaped structure with a crescent cross section, and the second crescent plate 65 is slidably arranged in the cross-shaped sliding groove 66. The rotating assembly 9 is arranged on the second crescent plate 65 and is used for rotating the second crescent plate 65 along the extending direction of the sliding groove 43, and the rotating assembly 9 comprises a third motor 91, a gear 92 and a rack 93. The third motor 91 is fixed on the side wall of one side of the fixing plate 62, and the axis of the output shaft of the third motor 91 is overlapped with the axis of the double-wall winding pipe 2. The axis of the gear 92 coincides with the axis of the output shaft of the third motor 91, and the side wall of the gear 92 is fixed to the end of the output shaft of the third motor 91. A rack 93 is fixed to the outer surface of the second crescent plate 65, and the rack 93 is engaged with the pinion 92. When the third motor 91 is started, the third motor 91 drives the gear 92 to rotate, so that the rack 93 meshed with the gear 92 and the second crescent plate 65 fixed to the rack 93 rotate, and in the process, the second crescent plate 65 and the first crescent plate 64 gradually clamp the double-wall winding pipe 2.

The implementation principle of the auxiliary positioning device for the butt joint of the HDPE double-wall winding pipe 2 in the embodiment of the application is as follows: when the worker needs to butt the double-wall winding pipe 2, the worker only needs to start the electric push rod 61, when the first crescent plate 64 and the double-wall winding pipe 2 to be butted are located on the same horizontal plane, the worker needs to close the electric push rod 61 and start the moving assembly 8, so that the moving plate 63 and the first crescent plate 64 fixed with the moving plate 63 move towards the direction close to the double-wall winding pipe 2, when the first crescent plate 64 is tightly attached to the double-wall winding pipe 2, the worker needs to close the moving assembly 8, at the moment, the worker needs to start the rotating assembly 9 to enable the second crescent plate 65 to rotate along the extending direction of the sliding groove 43 until the first crescent plate 64 and the second crescent plate 65 clamp the double-wall winding pipe 2. Subsequently, the operator needs to start the electric push rod 61 again, so that the double-wall winding pipe 2 moves upwards and closes the electric push rod 61 when being located at the same horizontal plane with the arc-shaped groove 32, thereby reducing the difficulty of placing the double-wall winding pipe 2 on the auxiliary positioning device and facilitating the butt joint work of the double-arm winding pipe. Further, the staff need start displacement subassembly 7, makes double-walled winding pipe 2 to the direction motion that is close to fixed station 3, and when double-walled winding pipe 2 was located directly over fixed station 3, the staff need close displacement subassembly 7 and start electric putter 61 and place double-walled winding pipe 2 on fixed station 3, and at this moment, the staff need close electric putter 61 and make second february plate 65 reset. Finally, the worker only needs to open the driving component 4, so that the two double-wall winding pipes 2 can be close to each other, and when the two double-wall winding pipes 2 are close to each other, the worker only needs to close the driving component 4.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. An auxiliary positioning device for butt joint of HDPE double-wall winding pipes is characterized in that: comprises a base (1), two symmetrically arranged fixed tables (3) arranged on the upper surface of the base (1) and used for placing a double-wall winding pipe (2) to be butted, two driving components (4) arranged on the base (1) and respectively used for driving the two fixed tables (3) to be close to or away from each other, two supporting columns (5) respectively arranged on two sides of the base (1), a supporting plate (6) fixed on the supporting columns (5) and a reinforcing rib (51) integrally formed with the supporting columns (5) and the supporting plate (6), wherein the top of the fixed table (3) is provided with an arc-shaped groove (32) matched with the bottom of the double-wall winding pipe (2) to be spliced, the bottom surface of the supporting plate (6) is provided with an electric push rod (61), the bottom surface of the supporting plate (6) is provided with a displacement component (7) used for enabling the electric push rod (61) to move towards the direction far from or close to the base (1), the lower extreme of electric putter (61) is fixed with fixed plate (62), the bottom surface of fixed plate (62) is provided with movable plate (63), the bottom surface of fixed plate (62) is provided with and is used for making movable plate (63) to being close to or keeping away from removal subassembly (8) of double-walled winding pipe (2) direction motion, be fixed with first crescent plate (64) on the lateral wall that movable plate (63) is close to double-walled winding pipe (2) one side, set up cross spout (66) that run through first crescent plate (64) on the surface of first crescent plate (64), it has second crescent plate (65) to slide in cross spout (66), be provided with on second crescent plate (65) and be used for making second crescent plate (65) along sliding tray (43) extending direction pivoted rotating assembly (9).

2. The auxiliary positioning device for the butt joint of HDPE double-wall winding pipes, according to claim 1, is characterized in that: first dovetail groove (74) have been seted up to the bottom surface of backup pad (6), displacement assembly (7) are including sliding first slider (71) in first dovetail groove (74), fixing first motor (72) on backup pad (6) are close to the lateral wall of base (1) one side and fixing first threaded rod (73) on first motor (72) output shaft, the one end rotation setting that first motor (72) were kept away from in first threaded rod (73) is on the lateral wall of first dovetail groove (74) one side of keeping away from first motor (72), first threaded rod (73) run through first slider (71) and threaded connection.

3. The auxiliary positioning device for the butt joint of HDPE double-wall winding pipes, according to claim 2, is characterized in that: the bottom surface of fixed plate (62) has been seted up second dovetail (84), removal subassembly (8) are including sliding second slider (81) in second dovetail (84), fixing second motor (82) on fixed plate (62) are close to the lateral wall of base (1) one side and fixing second threaded rod (83) on second motor (82) output shaft, the one end rotation setting that second motor (82) were kept away from in second threaded rod (83) is on the lateral wall of second dovetail (84) one side of keeping away from second motor (82), second threaded rod (83) run through second slider (81) and threaded connection.

4. The auxiliary positioning device for the butt joint of HDPE double-wall winding pipes as claimed in claim 3, wherein: the rotating assembly (9) is fixed on a third motor (91) on the side wall of one side of the fixing plate (62), a gear (92) fixed with the end part of an output shaft of the third motor (91) and a rack (93) fixed on the outer surface of the second February tooth plate (65), and the gear (92) is meshed with the rack (93).

5. An auxiliary positioning device for the butt joint of HDPE double-wall winding pipes according to claim 4, wherein: two mutual symmetrical sliding grooves (43) have been seted up to the upper surface of base (1), two drive assembly (4) set up respectively in two sliding grooves (43), drive assembly (4) are including fixing cylinder (41) and the sliding block (42) of sliding in sliding groove (43) of sliding groove (43) one end, the upper surface of sliding block (42) and the bottom surface reciprocal anchorage of fixed station (3), the one end that the piston rod of cylinder (41) is close to sliding block (42) is fixed on sliding block (42).

6. The auxiliary positioning device for the butt joint of HDPE double-wall winding pipes as claimed in claim 5, wherein: the controller (11) is fixed on the side wall of one side of the base (1), and the controller (11) is electrically connected with the first motor (72), the second motor (82), the third motor (91) and the air cylinder (41).

7. The auxiliary positioning device for the butt joint of HDPE double-wall winding pipes as claimed in claim 6, wherein: the sliding groove (43) is open at both ends.

8. The auxiliary positioning device for the butt joint of HDPE double-wall winding pipes, according to claim 1, is characterized in that: and a baffle (31) is fixed at the position of the arc-shaped groove (32) close to one side of the supporting column (5).

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