Thermoplastic pipe flanging equipment for pipeline repair

Abstract

The present invention relates to the field of pipeline repair, and in particular to a thermoplastic pipe flanging device for pipeline repair. The technical problem of the present invention is: since the flanging tool is heavy, it requires two workers to cooperate to insert it into the thermoplastic pipe, which is troublesome to operate, and the sealing cloth needs to be opened when flanging, resulting in the scattering of hot steam, which easily causes the thermoplastic pipe to cool and harden prematurely, thereby affecting the flanging effect. The technical solution of the present invention is: a thermoplastic pipe flanging device for pipeline repair, including a first mounting plate and a fixing unit, etc.; the fixing unit is connected to the middle of the upper side of the first mounting plate. The present invention realizes the flanging processing of the thermoplastic pipe, automatically performs flanging processing on the thermoplastic pipe, replaces manual processing to improve processing efficiency, and performs flanging on the thermoplastic pipe in a closed state to prevent the thermoplastic pipe from cooling prematurely and affecting the flanging effect. In addition, the wrinkled part of the thermoplastic pipe is flattened to avoid affecting the subsequent use of the pipeline.

Description

Technical Field

[0001] The invention relates to the field of pipeline repair, in particular to a thermoplastic pipe flanging device for pipeline repair. Background Art

[0002] At present, when thermoplastic repair is performed on pipelines, the exposed part of the thermoplastic pipe needs to be flanging after the thermoplastic pipe is inserted into the pipe. The staff needs to insert the flanging tool into the thermoplastic pipe, and then cover it with a sealing cloth to pass hot steam into the pipe to heat and soften the thermoplastic pipe. Then, the sealing cloth is lifted to operate the flanging tool to flanging the thermoplastic pipe. Since the flanging tool is heavy, it requires two workers to cooperate to insert it into the thermoplastic pipe, which is troublesome to operate. In addition, the sealing cloth needs to be lifted when flanging, causing hot steam to scatter, which can easily cause the thermoplastic pipe to cool and harden prematurely, thereby affecting the flanging effect. In addition, the thermoplastic pipe is wrinkled after flanging, which will affect the subsequent use of the pipeline. Summary of the invention

[0003] In order to overcome the shortcomings that the flanging tool is heavy and requires two workers to cooperate to insert it into the thermoplastic pipe, which is troublesome to operate, and the sealing cloth needs to be opened during flanging, causing hot steam to scatter, which easily causes the thermoplastic pipe to cool and harden prematurely, thereby affecting the flanging effect, the present invention provides a thermoplastic pipe flanging device for pipeline repair.

[0004] The technical solution of the present invention is: a thermoplastic pipe flanging device for pipeline repair, comprising a base, a first mounting plate, a fixing unit, a flanging unit and a sealing unit; the tops of the six bases are connected to the first mounting plate; the middle part of the upper side of the first mounting plate is connected to the fixing unit, and the fixing unit is used to place the pipeline to be repaired; the left part of the upper side of the first mounting plate is connected to the flanging unit, and the flanging unit is used to flanging the thermoplastic pipeline; the right part of the upper side of the first mounting plate is connected to the sealing unit, and the sealing unit is used to seal the heat shrink pipeline when hot steam is passed through.

[0005] In addition, it is particularly preferred that the fixing unit includes a first electric rotating shaft, a second mounting plate, a first electric slide rail, a first electric slider, a first mounting frame, a second electric slide rail, a second electric slider and a first supporting plate; the first electric rotating shaft is fixedly connected to the middle part of the upper side of the first mounting plate; the second mounting plate is fixedly connected to the rotating end of the first electric rotating shaft; two first electric slide rails are fixedly connected to the upper side of the second mounting plate, and the two first electric slide rails are symmetrically arranged on the left and right; a first electric slider is respectively slidably connected to the two first electric slide rails; a first mounting frame is respectively fixedly connected to the upper side of the two first electric sliders; a second electric slide rail is respectively fixedly connected to the inner front and inner rear sides of the two first mounting frames; a second electric slider is respectively slidably connected to the four second electric slide rails; a first supporting plate is respectively fixedly connected between the two second electric sliders on the right and between the two second electric sliders on the left.

[0006] In addition, it is particularly preferred that the first support plate is V-shaped, which is convenient for placing pipes of different diameters.

[0007] In addition, it is particularly preferred that the flanging unit includes a second mounting frame, a second electric shaft, a third mounting plate, a third electric slide rail, a third electric slider, a fourth mounting plate, a motor, a sealing cylinder, a screw rod, a fifth mounting plate, a mounting rod, a sixth mounting plate, a fourth electric slide rail, a fourth electric slider, a seventh mounting plate, a mounting cylinder, a first connecting rod, a second supporting plate, a telescopic rod, a second connecting rod and a flanging plate; the second mounting frame is fixedly connected to the left upper portion of the first mounting plate; the second electric shaft is fixedly connected to the upper right portion of the second mounting frame; the third mounting plate is fixedly connected to the rotating end of the second electric shaft; the third mounting plate is fixedly connected to the third electric slide rail on the lower side; the third electric slider is slidably connected to the third electric slide rail; the fourth mounting plate is fixedly connected to the lower side of the third electric slider; the motor is fixedly connected to the left lower portion of the fourth mounting plate; the lower side of the fourth mounting plate A sealing cylinder is fixedly connected to the right part; a screw rod is fixedly connected to the motor output shaft; a fifth mounting plate is screwed on the screw rod; a sixth mounting plate is fixedly connected to the lower right part of the sealing cylinder; a fourth electric slide rail is fixedly connected to the upper side of the sixth mounting plate; a fourth electric slider is slidably connected to the fourth electric slide rail; a seventh mounting plate is fixedly connected to the upper side of the fourth electric slider; a mounting cylinder is fixedly connected to the upper part of the seventh mounting plate; eight second connecting rods are connected to the outer surface of the mounting cylinder through a rotating shaft, and the eight second connecting rods are distributed in a circular array; the eight second connecting rods are respectively connected to a flanging plate through a rotating shaft; each two adjacent flanging plates are respectively connected to a second support plate through a rotating shaft; four second support plates are respectively fixedly connected to a telescopic rod on one side facing the mounting cylinder; four telescopic rods are fixedly connected to a mounting rod on one side facing the mounting cylinder; the mounting rod is rotatably connected to the screw rod.

[0008] In addition, it is particularly preferred that a through hole is respectively provided in the middle and the lower part of the sealing cylinder, the hole in the middle is used for the screw to pass through, and the hole in the lower part is used for the hot steam to pass through.

[0009] In addition, it is particularly preferred that a through hole is provided in the installation cylinder for the screw rod to pass through.

[0010] In addition, it is particularly preferred that the second support plate is arranged in an arc shape, so as to facilitate contact with the inner wall of the thermoplastic tube.

[0011] In addition, it is particularly preferred that the closed unit includes a third mounting frame, a fifth electric slide rail, a fifth electric slider, an eighth mounting plate, a third connecting rod and an airbag; the third mounting frame is fixedly connected to the upper right portion of the first mounting plate; the fifth electric slide rail is fixedly connected to the upper side of the third mounting frame; the fifth electric slider is slidably connected to the fifth electric slide rail; the eighth mounting plate is fixedly connected to the upper side of the fifth electric slider; the third connecting rod is fixedly connected to the left side of the eighth mounting plate; and the airbag is fixedly connected to the left portion of the third connecting rod.

[0012] In addition, it is particularly preferred that a maintenance unit is also included; the maintenance unit is connected to the left upper side of the first mounting plate, and the maintenance unit is located behind the flanging unit; the maintenance unit includes a fourth mounting frame, a third electric shaft, a ninth mounting plate, a sixth electric slide rail, a sixth electric slider, a tenth mounting plate, a seventh electric slide rail, a bare rod, a seventh electric slider, a fourth connecting rod and a pressure plate; the fourth mounting frame is fixedly connected to the left upper side of the first mounting plate, and the fourth mounting frame is located behind the second mounting frame; the third electric shaft is fixedly connected to the upper right side of the fourth mounting frame; the third electric shaft The rotating end is fixedly connected with a ninth mounting plate; the lower side of the ninth mounting plate is fixedly connected with a sixth electric slide rail; the sixth electric slider is slidably connected to the sixth electric slide rail; the lower side of the sixth electric slider is fixedly connected with a tenth mounting plate; the lower side of the sixth electric slide rail is fixedly connected with a seventh electric slide rail; the lower side of the tenth mounting plate is fixedly connected with a light rod, and the light rod is located on the right side of the seventh electric slide rail; the seventh electric slider is slidably connected to the seventh electric slide rail; the lower part of the seventh electric slider is connected with a fourth connecting rod through a rotating shaft; the lower part of the fourth connecting rod is connected with a pressure plate through a rotating shaft; the pressure plate is slidably connected to the light rod.

[0013] In addition, it is particularly preferred that a protrusion is provided on the right portion of the pressure plate to increase the friction force.

[0014] Compared with the prior art, the present invention has the following advantages:

[0015] The present invention realizes the flanging processing of the thermoplastic pipe, automatically performs the flanging processing on the thermoplastic pipe, replaces the manual processing to improve the processing efficiency, and performs the flanging processing on the thermoplastic pipe in a closed state to prevent the thermoplastic pipe from cooling down too early and affecting the flanging effect. In addition, the wrinkled part of the thermoplastic pipe is flattened to avoid affecting the use of subsequent pipelines. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of a first stereoscopic structure of a thermoplastic pipe flanging device for pipeline repair according to the present invention;

[0017] Figure 2 It is a schematic diagram of a second three-dimensional structure of the thermoplastic pipe flanging device for pipeline repair of the present invention;

[0018] Figure 3A top view of a thermoplastic pipe flanging device for pipeline repair according to the present invention;

[0019] Figure 4 It is a schematic diagram of a first partial three-dimensional structure of the thermoplastic pipe flanging device for pipeline repair of the present invention;

[0020] Figure 5 It is a schematic diagram of a first three-dimensional structure of a fixing unit of the thermoplastic pipe flanging device for pipeline repair of the present invention;

[0021] Figure 6 It is a schematic diagram of a second three-dimensional structure of a fixing unit of the thermoplastic pipe flanging device for pipeline repair of the present invention;

[0022] Figure 7 It is a schematic diagram of the three-dimensional structure of the flanging unit of the thermoplastic pipe flanging equipment for pipeline repair of the present invention;

[0023] Figure 8 It is a partial three-dimensional structural cross-sectional view of a flanging unit of a thermoplastic pipe flanging device for pipeline repair of the present invention;

[0024] Fig. 9 It is a schematic diagram of a first partial three-dimensional structure of a flanging unit of a thermoplastic pipe flanging device for pipeline repairing of the present invention;

[0025] Fig.10 It is a schematic diagram of a second partial three-dimensional structure of a flanging unit of the thermoplastic pipe flanging device for pipeline repair of the present invention;

[0026] Fig.11 It is a schematic diagram of the three-dimensional structure of a closed unit of the thermoplastic pipe flanging equipment for pipeline repair of the present invention;

[0027] Fig.12 It is a schematic diagram of a second partial three-dimensional structure of the thermoplastic pipe flanging device for pipeline repair of the present invention;

[0028] Fig.13 It is a schematic diagram of the three-dimensional structure of the maintenance unit of the thermoplastic pipe flanging equipment for pipeline repair of the present invention.

[0029] In the figure: 1-foot, 2-first mounting plate, 201-first electric shaft, 202-second mounting plate, 203-first electric slide rail, 204-first electric slider, 205-first mounting frame, 206-second electric slide rail, 207-second electric slider, 208-first support plate, 301-second mounting frame, 302-second electric shaft, 303-third mounting plate, 304-third electric slide rail, 305-third electric slider, 306-fourth mounting plate, 307-motor, 308-sealing cylinder, 309-screw, 3010-fifth mounting plate, 3011-mounting rod, 3012-sixth mounting plate, 3013-fourth electric slide rail, 3014-fourth electric Slider, 3015-seventh mounting plate, 3016-mounting cylinder, 3017-first connecting rod, 3018-second supporting plate, 3019-telescopic rod, 3020-second connecting rod, 3021-flanging plate, 401-third mounting frame, 402-fifth electric slide rail, 403-fifth electric slider, 404-eighth mounting plate, 405-third connecting rod, 406-airbag, 501-fourth mounting frame, 502-third electric rotating shaft, 503-ninth mounting plate, 504-sixth electric slide rail, 505-sixth electric slider, 506-tenth mounting plate, 507-seventh electric slide rail, 508-light rod, 509-seventh electric slider, 5010-fourth connecting rod, 5011-pressure plate. DETAILED DESCRIPTION

[0030] Although the present invention may be described with respect to a particular application or industry, those skilled in the art will recognize the broader applicability of the present invention. Those of ordinary skill in the art will recognize that terms such as above, below, upward, downward, etc. are used to describe the drawings and do not represent limitations on the scope of the present invention as defined by the appended claims. Any numerical designations such as first or second are merely exemplary and are not intended to limit the scope of the present invention in any way.

[0031] Example 1

[0032] A thermoplastic pipe flanging device for pipeline repair, such as Figure 1-11 As shown, it includes a base 1, a first mounting plate 2, a fixing unit, a flanging unit and a sealing unit; the tops of the six bases 1 are connected to the first mounting plate 2; the middle part of the upper side of the first mounting plate 2 is connected to the fixing unit; the upper left part of the first mounting plate 2 is connected to the flanging unit; and the upper right part of the first mounting plate 2 is connected to the sealing unit.

[0033] The fixing unit includes a first electric shaft 201, a second mounting plate 202, a first electric slide rail 203, a first electric slider 204, a first mounting frame 205, a second electric slide rail 206, a second electric slider 207 and a first supporting plate 208; the first electric shaft 201 is fixedly connected to the middle of the upper side of the first mounting plate 2; the second mounting plate 202 is fixedly connected to the rotating end of the first electric shaft 201; two first electric slide rails 203 are bolted to the upper side of the second mounting plate 202, and the two first electric slide rails 203 are symmetrically arranged on the left and right. The two first electric slide rails 203 are respectively slidably connected to a first electric slider 204; the upper sides of the two first electric sliders 204 are respectively fixedly connected to a first mounting frame 205; the inner front side and the inner rear side of the two first mounting frames 205 are respectively bolted to a second electric slide rail 206; the four second electric slide rails 206 are respectively slidably connected to a second electric slider 207; a first support plate 208 is respectively fixedly connected between the two second electric sliders 207 on the right and between the two second electric sliders 207 on the left.

[0034] The first support plate 208 is V-shaped, which is convenient for placing pipes of different diameters.

[0035] The flanging unit includes a second mounting frame 301, a second electric rotating shaft 302, a third mounting plate 303, a third electric slide rail 304, a third electric slider 305, a fourth mounting plate 306, a motor 307, a sealing cylinder 308, a screw rod 309, a fifth mounting plate 3010, a mounting rod 3011, a sixth mounting plate 3012, a fourth electric slide rail 3013, a fourth electric slider 3014, a seventh mounting plate 3015, a mounting cylinder 3016, a first connecting rod 3017, a second supporting plate 3018, a telescopic rod 3019, a second connecting rod 3020 and a flanging plate 3021. 021; the second mounting frame 301 is bolted to the left of the upper side of the first mounting plate 2; the second electric shaft 302 is fixedly connected to the upper right side of the second mounting frame 301; the third mounting plate 303 is fixedly connected to the rotating end of the second electric shaft 302; the third mounting plate 303 is bolted to the lower side of the third mounting plate 303; the third electric slide rail 304 is slidably connected to the third electric slide rail 304; the fourth mounting plate 306 is fixedly connected to the lower side of the third electric slide rail 304; the motor 307 is fixedly connected to the left of the lower side of the fourth mounting plate 306; the fourth mounting plate 306 is fixedly connected to the right side of the lower side The sealing cylinder 308 is fixedly connected; the output shaft of the motor 307 is fixedly connected to the screw rod 309; the screw rod 309 is screwed with the fifth mounting plate 3010; the lower right part of the sealing cylinder 308 is fixedly connected to the sixth mounting plate 3012; the upper side of the sixth mounting plate 3012 is bolted to the fourth electric slide rail 3013; the fourth electric slider 3014 is slidably connected to the fourth electric slider 3013; the upper side of the fourth electric slider 3014 is fixedly connected to the seventh mounting plate 3015; the upper part of the seventh mounting plate 3015 is fixedly connected to the mounting cylinder 3016; the outer surface of the mounting cylinder 3016 is rotated The shaft is connected to eight second connecting rods 3020, and the eight second connecting rods 3020 are distributed in a circular array; the eight second connecting rods 3020 are respectively connected to a flange plate 3021 through a rotating shaft; each two adjacent flange plates 3021 are respectively connected to a second support plate 3018 through a rotating shaft; the four second support plates 3018 are respectively fixedly connected to a telescopic rod 3019 on one side facing the mounting tube 3016; the four telescopic rods 3019 are fixedly connected to a mounting rod 3011 on one side facing the mounting tube 3016; the mounting rod 3011 is rotationally connected to the screw rod 309.

[0036] The sealing cylinder 308 is provided with a through hole in the middle and the lower part respectively. The hole in the middle is used for the screw rod 309 to pass through, and the hole in the lower part is used for the hot steam to pass through.

[0037] A through hole is provided in the mounting cylinder 3016 for the screw rod 309 to pass through.

[0038] The second support plate 3018 is arranged in an arc shape, so as to be close to the inner wall of the thermoplastic tube.

[0039] The enclosed unit includes a third mounting frame 401, a fifth electric slide rail 402, a fifth electric slider 403, an eighth mounting plate 404, a third connecting rod 405 and an airbag 406; the third mounting frame 401 is bolted to the right upper portion of the first mounting plate 2; the fifth electric slide rail 402 is bolted to the upper portion of the third mounting frame 401; the fifth electric slider 403 is slidingly connected to the fifth electric slide rail 402; the eighth mounting plate 404 is fixedly connected to the upper portion of the fifth electric slider 403; the third connecting rod 405 is fixedly connected to the left side of the eighth mounting plate 404; the airbag 406 is fixedly connected to the left portion of the third connecting rod 405.

[0040] During operation, the staff uses tools to place the pipe that has been stuffed with the thermoplastic tube on the two first support plates 208. At this time, a part of the pipe is exposed at both ends of the thermoplastic tube. Then the four second electric slide rails 206 are controlled to start to drive the four second electric sliders 207 to move. The four second electric sliders 207 drive the two first support plates 208 and the pipe to move up and down, so that the pipe and the mounting rod 3011 are at the same height. Then the two first electric slide rails 203 are controlled to start to drive the two first electric sliders 204 to move left and right. The two first electric sliders 204 drive the two first mounting frames 205 to move. The two first mounting frames 205 drive the four second electric slide rails 206, the four second electric sliders 207, the two first support plates 208 and the pipe to move left and right, so that the center of the pipe is aligned with the center of the mounting rod 3011.

[0041] Then control to start the third electric slide rail 304 to drive the third electric slider 305 to move rightward, and the third electric slider 305 drives the fourth mounting plate 306, the motor 307, the sealing cylinder 308, the screw 309, the fifth mounting plate 3010, the mounting rod 3011, the sixth mounting plate 3012, the fourth electric slide rail 3013, the fourth electric slider 3014, the seventh mounting plate 3015, the mounting cylinder 3016, the four first connecting rods 3017, the four second supporting plates 3018, the four telescopic rods 3019, the eight second connecting rods 3020 and the eight flanging plates 3021 to move rightward until the four second supporting plates 3018 are inserted into the pipe and the right sides of the four second supporting plates 3018 are parallel to the right side of the pipe, and then control The starting motor 307 drives the screw rod 309 to rotate, and the screw rod 309 drives the fifth mounting plate 3010 to move rightward, and the fifth mounting plate 3010 drives the lower ends of the four first connecting rods 3017 to move rightward, so that the upper ends of the four first connecting rods 3017 drive the four second supporting plates 3018 to move upward and closely contact the inner wall of the thermoplastic tube. At this time, the right side of the sealing cylinder 308 abuts against the left outer edge of the pipeline; then control the start of the fifth electric slide rail 402 to drive the fifth electric slider 403 to move leftward, and the fifth electric slider 403 drives the eighth mounting plate 404, the third connecting rod 405 and the airbag 406 to move leftward until the airbag 406 enters the thermoplastic tube, and then control the external air pump to start to inflate the airbag 406, so that the airbag 406 expands and The inner wall of the thermoplastic tube is contacted, thereby blocking the thermoplastic tube; then another external air pump is controlled to start to pass hot steam through the through hole at the bottom of the sealing tube 308 to heat and soften the exposed part of the thermoplastic tube, and then the fourth electric slide rail 3013 is controlled to drive the fourth electric slider 3014 to move rightward, and the fourth electric slider 3014 drives the seventh mounting plate 3015 and the mounting tube 3016, and the mounting tube 3016 drives the lower ends of the eight second connecting rods 3020 to move rightward, so that the upper ends of the eight second connecting rods 3020 drive the eight flanging plates 3021 to rotate outward around the rotating shaft connected to the four second supporting plates 3018, and fold the exposed part of the thermoplastic tube outward during rotation; there are gaps between the eight flanging plates 3021, so After folding, the thermoplastic tube between the eight flange plates 3021 is not completely folded, so at this time, the fourth electric slide rail 3013 is controlled to start to drive the sixth mounting plate 3012 to move backward and reset, so that the eight flange plates 3021 are reset, and then the motor 307 is controlled to start to drive the fifth mounting plate 3010 to reset to the left, so that the eight second support plates 3018 are reset, and then the second electric shaft 302 is controlled to start to rotate, and the second electric shaft 302 drives the third mounting plate 303 to rotate, so that the eight flange plates 3021 rotate, and the rotation causes the eight flange plates 3021 to offset from the previous position and align with the part of the thermoplastic tube that was not contacted before, so that the flanging operation is performed again so that the eight flange plates 3021 fold the part that was not completely folded before.

[0042] Example 2

[0043] On the basis of Example 1, Figure 1 and Figure 12-13 As shown, it also includes a maintenance unit; the maintenance unit is connected to the left upper part of the first mounting plate 2, and the maintenance unit is located behind the flanging unit; the maintenance unit includes a fourth mounting frame 501, a third electric shaft 502, a ninth mounting plate 503, a sixth electric slide rail 504, a sixth electric slider 505, a tenth mounting plate 506, a seventh electric slide rail 507, a bare rod 508, a seventh electric slider 509, a fourth connecting rod 5010 and a pressing plate 5011; the fourth mounting frame 501 is bolted to the left upper part of the first mounting plate 2, and the fourth mounting frame 501 is located behind the second mounting frame 301; the third electric shaft 502 is fixedly connected to the upper right side of the fourth mounting frame 501; the third electric shaft 502 is fixedly connected to the rotating end of the third electric shaft 502 A ninth mounting plate 503; the sixth electric slide rail 504 is bolted to the lower side of the ninth mounting plate 503; the sixth electric slider 505 is slidably connected to the sixth electric slide rail 504; the tenth mounting plate 506 is fixedly connected to the lower side of the sixth electric slider 505; the seventh electric slide rail 507 is bolted to the lower side of the tenth mounting plate 506; a light rod 508 is fixedly connected to the lower side of the tenth mounting plate 506, and the light rod 508 is located on the right side of the seventh electric slide rail 507; the seventh electric slider 509 is slidably connected to the seventh electric slide rail 507; the lower part of the seventh electric slider 509 is connected to the fourth connecting rod 5010 via a rotating shaft; the lower part of the fourth connecting rod 5010 is connected to the pressure plate 5011 via a rotating shaft; the pressure plate 5011 is slidably connected to the light rod 508.

[0044] A protrusion is provided on the right part of the pressure plate 5011 to increase friction.

[0045] After the eight flanging plates 3021 complete the flanging of the thermoplastic tube, the two first electric slide rails 203 are controlled to start and drive the two first electric sliders 204 to move backward, so that the tube is aligned with the third electric shaft 502, and then the third electric shaft 502 is controlled to start and drive the ninth mounting plate 503, the sixth electric slide rail 504, the sixth electric slider 505, the tenth mounting plate 506, the seventh electric slide rail 507, the light rod 508, the seventh electric slider 509, the fourth connecting rod 5010 and the pressing plate 5011 to rotate until the pressing plate 5011 is opposite to the wrinkled part of the flanging of the thermoplastic tube, and then the sixth electric slide rail 504 is controlled to start and drive the sixth electric slider 505 to move rightward, so that the right side of the pressing plate 5011 contacts the wrinkled part , then control to start the seventh electric slide rail 507 to drive the seventh electric slider 509 to move rightward, and the seventh electric slider 509 drives the upper end of the fourth connecting rod 5010 to move rightward, forcing the lower end of the fourth connecting rod 5010 to drive the pressing plate 5011 to slide downward on the light rod 508, so that the pressing plate 5011 moves outward at the wrinkled part of the thermoplastic tube to pull the thermoplastic tube, so that the wrinkled part is straightened and maintained until the thermoplastic tube is cooled and shaped; in this way, the flanging process of the thermoplastic tube at one end of the tube is completed, and then control to start the first electric rotating shaft 201 to drive the second mounting plate 202 to rotate 180 degrees, so that the tube rotates 180 degrees, and repeat the above operation to perform flanging process on the other end of the thermoplastic tube, and after completion, the tube can be manually removed.

[0046] The above embodiments are only for illustrating the technical concept and features of the present invention, and their purpose is to enable people familiar with the technology to understand the content of the present invention and implement it accordingly, and they cannot be used to limit the protection scope of the present invention. Any equivalent changes or modifications made according to the spirit of the present invention should be included in the protection scope of the present invention.

Claims

1. A thermoplastic pipe flanging device for pipeline repair, comprising a foot (1) and a first mounting plate (2); the tops of six foots (1) are connected to the first mounting plate (2); the characteristics are: It also comprises a fixing unit, a flanging unit and a sealing unit; the fixing unit is connected to the middle of the upper side of the first mounting plate (2), and the fixing unit is used to place the pipe to be repaired; the flanging unit is connected to the left upper side of the first mounting plate (2), and the flanging unit is used to flanging the thermoplastic pipe; the sealing unit is connected to the right upper side of the first mounting plate (2), and the sealing unit is used to seal the heat shrink pipe when hot steam is introduced; The flanging unit comprises a second mounting frame (301), a second electric rotating shaft (302), a third mounting plate (303), a third electric slide rail (304), a third electric slider (305), a fourth mounting plate (306), a motor (307), a sealing cylinder (308), a screw rod (309), a fifth mounting plate (3010), a mounting rod (3011), a sixth mounting plate (3012), a fourth electric slide rail (3013), a fourth electric slider (3014), a seventh mounting plate (3015), a mounting cylinder (3016), a first connecting rod (3017), a second supporting plate (3018), a telescopic rod (3019), and a second connecting rod (302 0) and a flanging plate (3021); a second mounting frame (301) is fixedly connected to the left upper portion of the first mounting plate (2); a second electric rotating shaft (302) is fixedly connected to the upper right portion of the second mounting frame (301); a third mounting plate (303) is fixedly connected to the rotating end of the second electric rotating shaft (302); a third electric slide rail (304) is fixedly connected to the lower side of the third mounting plate (303); a third electric slider (305) is slidably connected to the upper side of the third electric slide rail (304); a fourth mounting plate (306) is fixedly connected to the lower side of the third electric slider (305); a motor (307) is fixedly connected to the left lower portion of the fourth mounting plate (306); the fourth mounting plate (306) ) is fixedly connected to a sealing cylinder (308) at the lower right side; a lead screw (309) is fixedly connected to the output shaft of the motor (307); a fifth mounting plate (3010) is screwed onto the lead screw (309); a sixth mounting plate (3012) is fixedly connected to the lower right side of the sealing cylinder (308); a fourth electric slide rail (3013) is fixedly connected to the upper side of the sixth mounting plate (3012); a fourth electric slider (3014) is slidably connected to the fourth electric slide rail (3013); a seventh mounting plate (3015) is fixedly connected to the upper side of the fourth electric slider (3014); a mounting cylinder (3016) is fixedly connected to the upper part of the seventh mounting plate (3015); the outer portion of the mounting cylinder (3016) The surface is connected to eight second connecting rods (3020) via a rotating shaft, and the eight second connecting rods (3020) are distributed in a ring array; the eight second connecting rods (3020) are respectively connected to a flange plate (3021) via a rotating shaft; each two adjacent flange plates (3021) are respectively connected to a second support plate (3018) via a rotating shaft; the four second support plates (3018) are respectively fixedly connected to a telescopic rod (3019) on one side facing the installation cylinder (3016); the four telescopic rods (3019) are fixedly connected to a mounting rod (3011) on one side facing the installation cylinder (3016); the mounting rod (3011) is rotationally connected to the screw rod (309); The sealed unit comprises a third mounting frame (401), a fifth electric slide rail (402), a fifth electric slider (403), an eighth mounting plate (404), a third connecting rod (405) and an airbag (406); the third mounting frame (401) is fixedly connected to the right upper portion of the first mounting plate (2); the fifth electric slide rail (402) is fixedly connected to the upper portion of the third mounting frame (401); the fifth electric slider (403) is slidably connected to the upper portion of the fifth electric slide rail (402); the eighth mounting plate (404) is fixedly connected to the upper portion of the fifth electric slider (403); the third connecting rod (405) is fixedly connected to the left side of the eighth mounting plate (404); and the airbag (406) is fixedly connected to the left portion of the third connecting rod (405); The maintenance unit is also included; the maintenance unit is connected to the upper left portion of the first mounting plate (2), and the maintenance unit is located behind the flanging unit; the maintenance unit includes a fourth mounting frame (501), a third electric rotating shaft (502), a ninth mounting plate (503), a sixth electric slide rail (504), a sixth electric slider (505), a tenth mounting plate (506), a seventh electric slide rail (507), a bare rod (508), a seventh electric slider (509), a fourth connecting rod (5010) and a pressing plate (5011); the fourth mounting frame (501) is fixedly connected to the upper left portion of the first mounting plate (2), and the fourth mounting frame (501) is located behind the second mounting frame (301); the third electric rotating shaft (502) is fixedly connected to the upper right portion of the fourth mounting frame (501); the third electric rotating shaft (502) is fixedly connected to the rotating end of the third electric rotating shaft (502) (503); the lower side of the ninth mounting plate (503) is fixedly connected to the sixth electric slide rail (504); the sixth electric slider (505) is slidably connected to the sixth electric slide rail (504); the lower side of the sixth electric slider (505) is fixedly connected to the tenth mounting plate (506); the lower side of the tenth mounting plate (506) is fixedly connected to the seventh electric slide rail (507); the lower side of the tenth mounting plate (506) is fixedly connected to the light rod (508), and the light rod (508) is located on the right side of the seventh electric slide rail (507); the seventh electric slider (509) is slidably connected to the seventh electric slide rail (507); the lower part of the seventh electric slider (509) is connected to the fourth connecting rod (5010) via a rotating shaft; the lower part of the fourth connecting rod (5010) is connected to the pressing plate (5011) via a rotating shaft; the pressing plate (5011) is slidably connected to the light rod (508).

2. The thermoplastic pipe flanging device for pipeline repair according to claim 1, characterized in that: The fixing unit comprises a first electric rotating shaft (201), a second mounting plate (202), a first electric slide rail (203), a first electric slider (204), a first mounting frame (205), a second electric slide rail (206), a second electric slider (207) and a first supporting plate (208); the first electric rotating shaft (201) is fixedly connected to the middle part of the upper side of the first mounting plate (2); the second mounting plate (202) is fixedly connected to the rotating end of the first electric rotating shaft (201); two first electric slide rails (203) are fixedly connected to the upper side of the second mounting plate (202), and the two first electric slide rails (203) are arranged at left and right sides. The two first electric slide rails (203) are symmetrically arranged on the right; a first electric slider (204) is slidably connected to each other; a first mounting frame (205) is fixedly connected to the upper side of each of the two first electric sliders (204); a second electric slide rail (206) is fixedly connected to the inner front side and the inner rear side of each of the two first mounting frames (205); a second electric slider (207) is slidably connected to each of the four second electric slide rails (206); a first support plate (208) is fixedly connected between the two second electric sliders (207) on the right and between the two second electric sliders (207) on the left.

3. The thermoplastic pipe flanging device for pipeline repair according to claim 2, characterized in that: The first support plate (208) is V-shaped, which is convenient for placing pipes of different diameters.

4. The thermoplastic pipe flanging device for pipeline repair according to claim 3, characterized in that: The sealing cylinder (308) is provided with a through hole in the middle and at the bottom respectively. The hole in the middle is used for the screw rod (309) to pass through, and the hole in the bottom is used for hot steam to pass through.

5. The thermoplastic pipe flanging device for pipeline repair according to claim 3, characterized in that: A through hole is provided in the mounting cylinder (3016) for the screw rod (309) to pass through.

6. The thermoplastic pipe flanging device for pipeline repair according to claim 3, characterized in that: The second support plate (3018) is arranged in an arc shape, so as to facilitate being close to the inner wall of the thermoplastic tube.

7. The thermoplastic pipe flanging equipment for pipeline repair according to claim 1, characterized in that: The right part of the pressure plate (5011) is provided with a protrusion for increasing friction.

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