CN117818077B - Pipe penetrating equipment and pipe penetrating method for heat preservation pipe elbow - Google Patents
Pipe penetrating equipment and pipe penetrating method for heat preservation pipe elbow Download PDFInfo
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- CN117818077B CN117818077B CN202410239249.1A CN202410239249A CN117818077B CN 117818077 B CN117818077 B CN 117818077B CN 202410239249 A CN202410239249 A CN 202410239249A CN 117818077 B CN117818077 B CN 117818077B
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- 230000000149 penetrating effect Effects 0.000 title claims abstract description 15
- 238000004321 preservation Methods 0.000 title claims description 13
- 238000011378 penetrating method Methods 0.000 title abstract description 8
- 230000007246 mechanism Effects 0.000 claims abstract description 83
- 230000002093 peripheral effect Effects 0.000 claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 230000035515 penetration Effects 0.000 claims 2
- 238000003825 pressing Methods 0.000 description 7
- 239000004698 Polyethylene Substances 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 6
- -1 polyethylene Polymers 0.000 description 6
- 229920000573 polyethylene Polymers 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- 230000013011 mating Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The application provides heat-insulating pipe elbow pipe penetrating equipment and a pipe penetrating method, which belong to the technical field of elbow pipe penetrating and comprise a center fixing device, an inner pipe fixing device and an outer pipe fixing device; the center fixing device comprises a vertical column which is vertically arranged and a plurality of sleeves which are sleeved on the vertical column; the outer peripheral wall of each sleeve is provided with a telescopic structure arranged along the radial direction of the sleeve; the inner tube fixing device comprises an inner tube fixing frame and a clamping mechanism; the clamping mechanism comprises a plurality of jacking shafts; the outer tube fixing device comprises an outer tube fixing frame and a limiting mechanism; the limiting mechanism is arranged at the top of the outer tube fixing frame; wherein, the bottom of the inner tube fixing frame and the bottom of the outer tube fixing frame are connected with a moving mechanism; the inner pipe fixing frame is provided with a pushing mechanism for limiting and pushing the flange plate. Compared with the manual alignment mode in the prior art, the sleeve mode can reduce the alignment difficulty of the inner tube and the outer tube and improve the sleeve efficiency.
Description
Technical Field
The invention belongs to the technical field of bent pipe production, and particularly relates to a heat-insulating pipe elbow pipe penetrating device and a pipe penetrating method.
Background
When the polyethylene outer protection pipe elbow is sleeved on the inner layer steel pipe elbow, an operator is required to align the inner layer steel pipe elbow and the polyethylene outer protection pipe elbow, then the inner layer steel pipe elbow is pushed, or the outer layer polyethylene outer protection elbow is pushed, and finally the polyethylene outer protection pipe elbow is sleeved on the inner layer steel pipe elbow; after the sleeving is completed, an operator is required to install the flange at the end position of the elbow. Through the installation mode, the alignment process of the inner layer steel pipe elbow and the polyethylene outer protection pipe elbow is difficult.
Disclosure of Invention
The embodiment of the invention provides a heat-preservation pipe elbow pipe penetrating device and a pipe penetrating method, and aims to solve the technical problem that an alignment process of an inner layer steel pipe elbow and a polyethylene outer protection pipe elbow is difficult in the prior art.
In order to achieve the above purpose, the invention adopts the following technical scheme:
provided is a heat-insulating pipe elbow pipe penetrating equipment, comprising:
The center fixing device comprises a vertical column which is vertically arranged and a plurality of sleeves which are sleeved on the vertical column; the outer peripheral wall of each sleeve is provided with a telescopic structure arranged along the radial direction of the sleeve;
The inner tube fixing device comprises an inner tube fixing frame and a clamping mechanism; the inner tube fixing frame is connected with the telescopic end of one telescopic structure; the clamping mechanism is arranged on the inner tube fixing frame and comprises a plurality of jacking shafts, each jacking shaft is used for extending into the inner tube, and the jacking shafts can move along the radial direction of the inner tube to jack the inner tube;
The outer tube fixing device comprises an outer tube fixing frame and a limiting mechanism; the outer tube fixing frame is connected with the telescopic end of one telescopic structure; the limiting mechanism is arranged at the top of the outer tube fixing frame and is used for oppositely clamping the outer peripheral wall of the outer tube;
The bottom of the inner tube fixing frame and the bottom of the outer tube fixing frame are connected with a moving mechanism, and the inner tube fixing frame or the outer tube fixing frame can rotate around the upright post so that the outer tube is sleeved on the inner tube;
The inner pipe fixing frame is provided with a pushing mechanism for limiting and pushing the flange plate; before the inner tube is fixed, the flange plate is connected to the pushing mechanism; when the inner tube is fixed on the inner tube fixing frame, the inner tube is in a suspended state.
In one possible implementation, the flange mounting device further comprises a flange fixing frame; the flange fixing frame is connected with the telescopic end of one telescopic structure, and is positioned at one side of the outer pipe fixing device far away from the inner pipe fixing device;
A retaining mechanism is arranged on one side, away from the flange, of the flange fixing frame, and a retaining mechanism is also arranged on one side, away from the inner tube, of the inner tube fixing frame;
The flange fixing frame is also provided with a pushing mechanism and a moving mechanism, and the moving mechanism is positioned at the bottom of the flange fixing frame.
In one possible implementation, the movement mechanism includes a universal wheel and a drive wheel; universal wheels are arranged at four corners of the bottom of the inner tube fixing frame, driving wheels are arranged at the bottom of the inner tube fixing frame, and the rotating shafts of the driving wheels are parallel to the axes of the telescopic ends on the inner tube fixing frame;
Universal wheels are arranged at four corners of the bottom of the outer tube fixing frame, driving wheels are arranged at the bottom of the outer tube fixing frame, and the rotating shafts of the driving wheels are parallel to the axis of the telescopic ends on the outer tube fixing frame;
The driving wheels can slide along the height direction, and when the driving wheels are in contact with the ground, the driving wheels can drive the inner pipe fixing frame to rotate around the upright post or drive the outer pipe fixing frame to rotate around the upright post.
In one possible implementation manner, the retaining mechanism comprises a retaining rod and a retaining part, wherein the retaining part is provided with a plurality of tooth-shaped grooves for being in plug-in fit with the retaining rod; the flange plate fixing frame and the inner pipe fixing frame are connected with retaining rods;
wherein, when the backstop pole with backstop portion grafting cooperation, the backstop portion can fix on ground.
In one possible implementation manner, a groove for placing a stopping part is formed in the ground, a jacking cylinder is arranged in the groove, a cylinder body of the jacking cylinder is fixed in the groove, and a piston rod of the jacking cylinder is connected with the stopping part;
the top of the retaining part is provided with a matching part, and the matching part is in plug-in matching with the retaining part; when the matching part and the stopping part are positioned in the groove, the top of the matching part and the ground are positioned on the same plane.
In one possible implementation, the telescopic structure includes:
One end of the fixed cylinder is fixed on the sleeve, and the other end of the fixed cylinder extends along the radial direction of the sleeve;
the connecting rod is in sliding fit with the fixed cylinder; one end of the connecting rod is positioned in the fixed cylinder, and the other end of the connecting rod is positioned outside the fixed cylinder;
the driving piece is connected to the fixed cylinder or the sleeve; the driving end of the driving piece is connected with the connecting rod.
In one possible implementation, the inner tube fixing frame has a receiving cavity thereon, and the pushing mechanism includes:
one end of each pushing rod is in plug-in fit with the blind hole in the flange plate, the other end of each pushing rod extends into the accommodating cavity, and the pushing rods are in sliding fit with the inner tube fixing frame;
The pushing cylinders are in one-to-one correspondence with the pushing rods; the pushing cylinders are arranged in the accommodating cavity; and a piston rod of the pushing cylinder is connected with the inner side end of the pushing rod.
In one possible implementation manner, the inner tube fixing frame is provided with a plurality of sliding grooves radially arranged along the end face of the inner tube, one end of the tightening shaft is provided with a sliding block in sliding fit with the sliding grooves, and the clamping mechanism comprises:
The screw rods are in one-to-one correspondence with the sliding grooves; each screw is rotatably arranged in the corresponding chute, and the sliding block is provided with a threaded hole in threaded fit with the screw;
The positioning rings are in one-to-one correspondence with the jacking shafts; the diameter of the positioning ring is larger than that of the jacking shaft, and one side of the positioning ring is used for being in contact with the end part of the inner tube so as to position the end part of the inner tube.
In one possible implementation, the limiting mechanism includes:
A first arc-shaped portion fixed on the outer tube fixing frame; the first arc-shaped part is used for being in contact with the outer peripheral wall of the outer tube;
One side of the second arc-shaped part is hinged to the first arc-shaped part; the second arcuate portion has elasticity that rotates to a position in contact with the outer tube when the outer tube is placed on the first arcuate portion.
Compared with the prior art, when the outer pipe is sleeved on the inner pipe, the flange plate is connected to the pushing mechanism on the inner pipe fixing frame, and then one end of the inner pipe is placed on the inner pipe fixing frame and is fixed through the clamping mechanism; the outer tube is fixed on the outer tube fixing frame, and the position of the outer tube is fixed through the limiting mechanism, at the moment, the central arc line of the inner tube and the central arc line of the outer tube are on the same horizontal plane. The inner tube fixing frame and the outer tube fixing frame are rotated relatively through the moving mechanism, and finally the outer tube is sleeved on the inner tube; after the rotation radius of the inner tube and the outer tube is determined, the inner tube and the outer tube are respectively fixed on the inner tube fixing frame and the outer tube fixing frame, and the inner tube and the outer tube can be sleeved together by rotating the inner tube fixing frame or the outer tube fixing frame; compared with the manual alignment mode in the prior art, the sleeve mode can reduce the alignment difficulty of the inner tube and the outer tube and improve the sleeve efficiency.
In order to achieve the above purpose, another technical scheme adopted by the invention is as follows:
the heat preservation pipe elbow pipe penetrating method comprises the following steps:
When the inner pipe is fixed on the inner pipe fixing frame and the outer pipe is fixed on the outer pipe fixing frame, the inner pipe fixing frame and the outer pipe fixing frame relatively rotate by taking the axis of the upright post as a rotation center, and finally the outer pipe is sleeved on the inner pipe; wherein, the flange plate on the inner tube fixing frame is positioned at one end of the inner tube and one end of the outer tube;
the flange fixing frame drives the flange to rotate around the axis of the upright post, and the flange stops rotating when contacting with the end parts of the inner pipe and the outer pipe;
the retaining mechanism limits the positions of the flange fixing frame and the inner pipe fixing frame, and pushes the flange through a pushing mechanism on the flange so as to push the flanges at two ends of the inner pipe in place.
The beneficial effects of the pipe penetrating method of the heat preservation pipe elbow provided by the invention are the same as those of the pipe penetrating equipment of the heat preservation pipe elbow, and are not repeated here.
Drawings
FIG. 1 is a schematic diagram of a piping installation for a heat preservation piping elbow provided in an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1;
Fig. 3 is a schematic view of a temporary support portion of a pipe threading device for a heat insulation pipe elbow according to an embodiment of the present invention;
FIG. 4 is an enlarged schematic view of portion B of FIG. 3;
FIG. 5 is a schematic view of a receiving chamber portion of a piping installation for a heat preservation pipe elbow according to an embodiment of the present invention;
Fig. 6 is a schematic view of an outer tube fixing device of a heat insulation pipe elbow pipe penetrating device according to an embodiment of the present invention;
FIG. 7 is an enlarged schematic view of portion C of FIG. 6;
FIG. 8 is a schematic view of an inner tube securing frame portion of a piping installation for insulating piping elbows provided in accordance with an embodiment of the present invention;
fig. 9 is a schematic view of a state after an inner pipe and an outer pipe of a heat preservation pipe elbow pipe penetrating device provided by an embodiment of the present invention are sleeved together;
fig. 10 is an enlarged schematic view of a portion D in fig. 9.
Reference numerals illustrate: 1. a center fixing device; 11. a column; 12. a sleeve; 13. a telescopic structure; 131. a fixed cylinder; 132. a connecting rod; 2. an inner tube fixing device; 21. an inner tube fixing frame; 211. an avoidance groove; 212. a cylinder; 213. a T-shaped slideway; 214. a receiving chamber; 215. a chute; 22. a clamping mechanism; 221. a pressing shaft; 222. a screw; 223. a positioning ring; 224. a turntable; 23. a temporary support portion; 3. an outer tube fixing device; 31. an outer tube fixing frame; 32. a limiting mechanism; 321. a first arc-shaped portion; 322. a second arc-shaped portion; 4. a moving mechanism; 41. a universal wheel; 42. a driving wheel; 43. a lifting frame; 44. a driving motor; 5. a pushing mechanism; 51. pushing the push rod; 52. pushing cylinder; 53. a placing rack; 6. a flange mounting device; 61. a flange fixing frame; 7. a stopping mechanism; 71. a stop rod; 711. a T-shaped slider; 72. a stopping portion; 721. a tooth-shaped groove; 73. a groove; 74. jacking the air cylinder; 75. a mating portion; 76. a support frame; 77. and limiting the pin shaft.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1 to 10, a pipe penetrating apparatus for an insulation pipe elbow according to the present invention will now be described. The heat preservation pipe elbow pipe penetrating equipment comprises a center fixing device 1, an inner pipe fixing device 2 and an outer pipe fixing device 3; the center fixing device 1 comprises a vertical column 11 which is vertically arranged, and a plurality of sleeves 12 which are sleeved on the vertical column 11; the outer peripheral wall of each sleeve 12 is provided with a telescopic structure 13 arranged along the radial direction thereof; the inner tube fixing device 2 includes an inner tube fixing frame 21 and a clamping mechanism 22; the inner tube fixing frame 21 is connected with the telescopic end of one telescopic structure 13; the clamping mechanism 22 is arranged on the inner tube fixing frame 21, the clamping mechanism 22 comprises a plurality of jacking shafts 221, each jacking shaft 221 is used for extending into the inner tube, and the jacking shafts 221 can move along the radial direction of the inner tube to jack the inner tube; the outer tube fixing device 3 includes an outer tube fixing frame 31 and a limiting mechanism 32; the outer tube fixing frame 31 is connected with the telescopic end of one of the telescopic structures 13; the limiting mechanism 32 is arranged at the top of the outer tube fixing frame 31, and the limiting mechanism 32 is used for oppositely clamping the outer peripheral wall of the outer tube; wherein, the bottom of the inner tube fixing frame 21 and the bottom of the outer tube fixing frame 31 are both connected with a moving mechanism 4, and the inner tube fixing frame 21 or the outer tube fixing frame 31 can rotate around the upright post 11 so that the outer tube is sleeved on the inner tube; the inner pipe fixing frame 21 is provided with a pushing mechanism 5 for limiting and pushing the flange plate; before the inner pipe is fixed, the flange is connected to the pushing mechanism 5; the inner tube is in a suspended state when the inner tube is fixed to the inner tube fixing frame 21.
Compared with the prior art, when the outer pipe is sleeved on the inner pipe, the heat-insulating pipe elbow pipe penetrating equipment provided by the application has the advantages that the flange plate is connected to the pushing mechanism 5 on the inner pipe fixing frame 21, and then one end of the inner pipe is placed on the inner pipe fixing frame 21 and is fixed through the clamping mechanism 22; the outer tube is fixed to the outer tube fixing frame 31, and the position of the outer tube is fixed by the stopper mechanism 32, and at this time, the center arc of the inner tube and the center arc of the outer tube are on the same horizontal plane. The inner tube fixing frame 21 and the outer tube fixing frame 31 are rotated relatively by the moving mechanism 4, and finally the outer tube is sleeved on the inner tube; through the sleeve mode, after the rotation radius of the inner tube and the outer tube is determined, the inner tube and the outer tube are respectively fixed on the inner tube fixing frame 21 and the outer tube fixing frame 31, and then the inner tube and the outer tube can be sleeved together by rotating the inner tube fixing frame 21 or the outer tube fixing frame 31; compared with the manual alignment mode in the prior art, the sleeve mode can reduce the alignment difficulty of the inner tube and the outer tube and improve the sleeve efficiency.
In some embodiments, as shown in fig. 1 to 10, further comprising a flange mounting device 6, the flange mounting device 6 comprising a flange fixing frame 61; the flange fixing frame 61 is connected with the telescopic end of one telescopic structure 13, and the flange fixing frame 61 is positioned at one side of the outer tube fixing device 3 away from the inner tube fixing device 2; the side of the flange plate fixing frame 61, which is away from the flange plate, is provided with a backstop mechanism 7, and the side of the inner pipe fixing frame 21, which is away from the inner pipe, is also provided with a backstop mechanism 7; the flange fixing frame 61 is also provided with a pushing mechanism 5 and a moving mechanism 4, and the moving mechanism 4 is positioned at the bottom of the flange fixing frame 61.
Specifically, when the outer tube is sleeved on the inner tube and the flange on the flange fixing frame 61 is in contact with the ends of the inner tube and the outer tube, the positions of the flange fixing frame 61 and the inner tube fixing frame 21 can be limited by the retaining mechanisms 7 on the flange fixing frame 61 and the inner tube fixing frame 21, and when the flange is pushed to the ends of the inner tube and the outer tube by the pushing mechanism 5, the movement of the flange fixing frame 61 and the inner tube fixing frame 21 can be avoided, so that the flange is pushed to the inner tube and the outer tube conveniently.
The flange plate is fixedly provided with an annular bulge which is used for being inserted between the inner pipe and the outer pipe, after the flange is installed in place, the annular bulge is positioned between the inner pipe and the outer pipe, and the inner side of the flange plate is contacted with the end part of the outer pipe.
In some embodiments, as shown in fig. 1 to 10, the moving mechanism 4 includes a universal wheel 41 and a driving wheel 42; universal wheels 41 are arranged at four corners of the bottom of the inner tube fixing frame 21, driving wheels 42 are arranged at the bottom of the inner tube fixing frame 21, and the rotating shafts of the driving wheels 42 are parallel to the axes of the telescopic ends on the inner tube fixing frame 21; universal wheels 41 are arranged at four corners of the bottom of the outer tube fixing frame 31, driving wheels 42 are arranged at the bottom of the outer tube fixing frame 31, and the rotating shafts of the driving wheels 42 are parallel to the axes of the telescopic ends on the outer tube fixing frame 31; wherein the driving wheel 42 can slide in the height direction, and the driving wheel 42 can drive the inner tube fixing frame 21 to rotate around the upright 11 or drive the outer tube fixing frame 31 to rotate around the upright 11 when the driving wheel 42 contacts the ground.
Illustratively, the present embodiment is described taking the inner tube fixing frame 21 as an example; when the inner tube fixing frame 21 needs to be driven to rotate around the upright post 11, the driving wheel 42 slides downwards and contacts the ground; at this time, the inner tube fixing frame 21 can be driven to rotate around the column 11 by the rotation of the driving wheel 42. Since the movement direction of the driving wheel 42 is along the tangential direction of the circular movement of the inner tube fixing frame 21, the driving wheel 42 can drive the inner tube fixing frame 21 to rotate around the upright 11.
Illustratively, the driving wheel 42 is rotatably disposed on the lifting frame 43, and a driving motor 44 is fixedly disposed on the lifting frame 43, and an output shaft of the driving motor 44 is connected with a rotating shaft of the driving wheel 42; the driving wheel 42 can be driven to rotate by the rotation of the output shaft of the driving motor 44, so that the inner tube fixing frame 21 can be driven to rotate around the upright post 11 conveniently.
Illustratively, the inner tube fixing frame 21 is provided with an avoidance groove 211, and the avoidance groove 211 is internally provided with an air cylinder 212; the piston rod of the cylinder 212 passes through the inner tube fixing frame 21 and is connected with the lifting frame 43; the lifting frame 43 can be driven to slide in the height direction by extension and retraction of the piston rod of the cylinder 212. The lifting frame 43 is fixedly provided with a lifting rod, the other end of the lifting rod penetrates through the inner tube fixing frame 21 and is located in the avoiding groove 211, through the arrangement, in the lifting process of the lifting frame 43, the lifting rod can limit the lifting frame 43 to rotate around the air cylinder 212, and the driving wheel 42 is always located in the tangential direction of circular motion with the inner tube fixing frame 21.
In some embodiments, as shown in fig. 1 to 10, the retaining mechanism 7 includes a retaining rod 71 and a retaining portion 72, where the retaining portion 72 has a plurality of tooth-shaped grooves 721 for mating with the retaining rod 71 in a plugging manner; the flange fixing frame 61 and the inner tube fixing frame 21 are connected with a retaining rod 71; the retaining portion 72 can be fixed to the ground when the retaining lever 71 is inserted into the retaining portion 72. The ground is provided with a groove 73 for placing the retaining part 72, a jacking cylinder 74 is arranged in the groove 73, the cylinder body of the jacking cylinder 74 is fixed in the groove 73, and the piston rod of the jacking cylinder 74 is connected with the retaining part 72; wherein, the top of the backstop part 72 is provided with a matching part 75, and the matching part 75 is in plug-in matching with the backstop part 72; when the engaging portion 75 and the retaining portion 72 are located in the groove 73, the top of the engaging portion 75 is in the same plane as the ground.
Illustratively, the retaining rod 71 and the corresponding retaining portion 72 on the inner tube fixing frame 21 are described as an example; the width direction of the groove 73 is perpendicular to the side of the inner tube fixing frame 21 having the stopper rod 71, and the length direction of the groove 73 is parallel to the side of the inner tube fixing frame 21 having the stopper rod 71; the retaining rod 71 can move along the length direction of the groove 73 when the position of the inner tube fixing frame 21 is adjusted along the length direction of the telescopic structure 13; after the position of the inner tube fixing frame 21 is adjusted, the stopper rod 71 can be inserted into the corresponding stopper portion 72 to limit the position of the inner tube fixing frame 21.
Illustratively, a supporting frame 76 is fixedly arranged in the groove 73, the supporting frame 76 can provide support for the retaining portion 72, and a space for placing the jacking cylinder 74 is arranged between the supporting frame 76 and the bottom wall of the groove 73; after the retaining portion 72 moves down into the groove 73, the bottom of the retaining portion 72 contacts the top of the supporting frame 76, and the top of the mating portion 75 is in the same plane as the ground. With the above arrangement, the lowest position of the stopper 72 can be limited; when the retaining portion 72 is not used, the engaging portion 75 can fill up the tooth-shaped groove 721 on the retaining portion 72, and the top of the engaging portion 75 is coplanar with the ground, without affecting the movements of the inner tube fixing frame 21, the outer tube fixing frame 31, and the flange fixing frame 61. After the completion of the pipe bending and when the flange on the flange fixing frame 61 is in contact with the other end of the inner pipe, the positions of the inner pipe fixing frame 21 and the flange fixing frame 61 can be restricted by the insertion fit of the retaining rod 71 with the tooth-shaped groove 721 on the retaining portion 72, so that the flange can be pushed to the ends of the inner pipe and the outer pipe conveniently.
Illustratively, the inner tube fixing frame 21 has a T-shaped slide 213 thereon, and the retaining rod 71 is fixedly provided with a T-shaped slider 711, and the retaining rod 71 is slidably engaged with the T-shaped slide 213 through the T-shaped slider 711. The T-shaped slide rail 213 is provided with a limiting hole, and the limiting hole is spliced and matched with a limiting pin shaft 77; during the rotation of the inner tube fixing frame 21 or the rotation of the flange fixing frame 61, the stopper rod 71 slides upward to the position of the stopper pin 77, and at this time, the stopper pin 77 contacts the bottom of the T-shaped slider 711 to limit the stopper rod 71 at this position. When the retaining rod 71 is required to slide downwards, the limiting pin shaft 77 is pulled out, the retaining rod 71 slides downwards under the action of gravity, and finally the retaining rod 71 is in plug-in fit with the retaining part 72 protruding on the ground.
For example, the retaining portion 72 may be fixed to the ground by a bolt, and when the retaining portion 72 is required, the retaining portion 72 is placed at a corresponding position and fixed by the bolt; when the retaining portion 72 is not needed, the retaining portion 72 is removed, and interference of the retaining portion 72 is avoided.
In some embodiments, as shown in fig. 1 to 10, the telescopic structure 13 includes a fixed cylinder 131, a connecting rod 132, and a driving member (not shown in the drawings); one end of the fixed cylinder 131 is fixed to the sleeve 12, and the other end extends in the radial direction of the sleeve 12; the connecting rod 132 is in sliding fit with the fixed cylinder 131; one end of the connecting rod 132 is positioned in the fixed cylinder 131, and the other end is positioned outside the fixed cylinder 131; the driving member is connected to the fixed cylinder 131 or the connection sleeve 12; the driving end of the driving member is connected to the connecting rod 132.
The fixing tube 131 and the connecting rod 132 are connected by a key, so that the rotation between the connecting rod 132 and the fixing tube 131 can be restricted. The driving member may be a cylinder 212, a hydraulic cylinder and an electric push rod; when the driving parts are the air cylinder 212 and the hydraulic cylinder, the cylinder body is fixed on the fixed cylinder 131 through bolts, and the piston rod is fixed on the connecting rod 132 through bolts, so that the air cylinder 212 or the hydraulic cylinder can be conveniently disassembled; since the stroke of the cylinder 212 and the hydraulic cylinder is single, when bending pipes of different diameters, the cylinder 212 and the hydraulic cylinder of the corresponding stroke need to be replaced. When the driving piece is an electric push rod, the adjustable range of the electric push rod is wide, so that the adjustable range of the electric push rod can be adjusted in the stroke range of the electric push rod; the fixing portion of the electric putter is fixed to the fixing cylinder 131 by a bolt, and the telescopic portion of the electric putter is fixed to the connecting rod 132 by a bolt.
In some embodiments, as shown in fig. 1 to 10, the inner tube fixing frame 21 has a receiving cavity 214 thereon, and the pushing mechanism 5 includes a plurality of pushing rods 51 and a plurality of pushing cylinders 52; one end of each push rod 51 is in plug-in fit with a corresponding blind hole on the flange, the other end of each push rod 51 extends into the accommodating cavity 214, the push rods 51 are in sliding fit with the inner tube fixing frame 21, and the sliding direction is along the axial direction of the push rods 51; the pushing cylinders 52 are in one-to-one correspondence with the pushing rods 51; the pushing cylinders 52 are all arranged in the accommodating cavities 214; the piston rod of the pushing cylinder 52 is connected with the inner side end of the pushing rod 51.
The present embodiment is exemplified by three push rods 51; the three push rods 51 are uniformly distributed along the circumferential direction of the flange, a placing rack 53 is arranged in the accommodating cavity 214, and the placing rack 53 is connected to the inner pipe fixing frame 21 through bolts; the pushing cylinder 52 is fixed on the placing frame 53. When the flange is installed, the outer side end of the push rod 51 is in plug-in fit with a blind hole on the flange, and then the inner pipe is fixed on the inner pipe fixing frame 21; after the inner pipe and the outer pipe are sleeved, the flange on the flange fixing frame 61 is rotated to the end positions of the inner pipe and the outer pipe, and the positions of the inner pipe fixing frame 21 and the flange fixing frame 61 are limited by the stop mechanism 7; then, the pushing cylinders 52 on the inner tube fixing frame 21 and the pushing cylinders 52 on the flange fixing frame 61 respectively push the flanges at the two ends of the inner tube, so that the flanges at the two ends of the inner tube are installed in place.
It should be noted that, the flange fixing frame 61 is also provided with the accommodating cavity 214, and the pushing mechanism 5 on the flange fixing frame 61 is the same as the pushing mechanism 5 on the inner tube fixing frame 21, and will not be described here again.
In some embodiments, as shown in fig. 1 to 10, the inner tube fixing frame 21 is provided with a plurality of sliding grooves 215 radially arranged along the end surface of the inner tube, one end of the pressing shaft 221 is provided with a sliding block in sliding fit with the sliding grooves 215, and the clamping mechanism 22 comprises a plurality of screw rods 222 and a plurality of positioning rings 223; the screws 222 are in one-to-one correspondence with the sliding grooves 215; each screw 222 is rotatably arranged in the corresponding chute 215, and the sliding block is provided with a threaded hole in threaded fit with the screw 222; a plurality of positioning rings 223 corresponding to the tightening shafts 221 one by one; the positioning ring 223 has a diameter larger than that of the pressing shaft 221, and one side of the positioning ring 223 is used for contacting with the end of the inner tube to position the end of the inner tube.
It should be noted that, the outer side end of the screw 222 is fixedly provided with a turntable 224, so that an operator can rotate the screw 222; when the pressing shaft 221 is placed on the inner tube, the pressing shaft 221 can slide in the radial direction by rotating the screw 222, and finally the pressing shaft 221 abuts against the inner peripheral wall of the inner tube, thereby fixing the inner tube. By providing the positioning ring 223 on the pressing shaft 221, the end portion of the inner tube can be positioned.
Illustratively, the inner tube fixing device 2 further includes a temporary support portion 23, the temporary support portion 23 being capable of providing support to the inner tube when the inner tube is fixed to the inner tube fixing frame 21; when the end part of the inner pipe is sleeved in the outer pipe, the temporary supporting part 23 is moved away, so that the temporary supporting part 23 is prevented from interfering the sleeve process. The bottom of the temporary support 23 may be provided with universal wheels 41 for the convenience of an operator to push the temporary support 23.
In some embodiments, as shown in fig. 1-10, the spacing mechanism 32 includes a first arcuate portion 321 and a second arcuate portion 322; the first arc portion 321 is fixed to the outer tube fixing frame 31; the first arc portion 321 is for contacting with the outer peripheral wall of the outer tube; one side of the second arc-shaped part 322 is hinged on the first arc-shaped part 321; the second arc portion 322 has elasticity, and when the outer tube is placed on the first arc portion 321, the second arc portion 322 rotates to a position where it contacts the outer tube.
It should be noted that, the outer tube is placed on the first arc portion 321, and the second arc portion 322 is fastened on the outer tube; the outer tube can be restrained on the outer tube fixing frame 31 by the cooperation of the first arc portion 321 and the second arc portion 322.
Based on the same inventive concept, the application also provides a heat preservation pipe elbow pipe penetrating method, which comprises the following steps:
when the inner pipe is fixed on the inner pipe fixing frame 21 and the outer pipe is fixed on the outer pipe fixing frame 31, the inner pipe fixing frame 21 and the outer pipe fixing frame 31 relatively rotate by taking the axis of the upright post 11 as a rotation center, and finally the outer pipe is sleeved on the inner pipe; wherein the flange on the inner tube fixing frame 21 is located at one end of the inner tube and the outer tube.
The flange fixing frame 61 rotates the flange around the axis of the column 11, and stops rotating when the flange contacts the ends of the inner pipe and the outer pipe.
The retaining mechanism 7 limits the positions of the flange fixing frame 61 and the inner tube fixing frame 21, and pushes the flanges through the pushing mechanism 5 on the flanges so as to push the flanges at the two ends of the inner tube into place.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (6)
1. A heat preservation pipe elbow poling apparatus, comprising:
The center fixing device comprises a vertical column which is vertically arranged and a plurality of sleeves which are sleeved on the vertical column; the outer peripheral wall of each sleeve is provided with a telescopic structure arranged along the radial direction of the sleeve;
The inner tube fixing device comprises an inner tube fixing frame and a clamping mechanism; the inner tube fixing frame is connected with the telescopic end of one telescopic structure; the clamping mechanism is arranged on the inner tube fixing frame and comprises a plurality of jacking shafts, each jacking shaft is used for extending into the inner tube, and the jacking shafts can move along the radial direction of the inner tube to jack the inner tube;
The outer tube fixing device comprises an outer tube fixing frame and a limiting mechanism; the outer tube fixing frame is connected with the telescopic end of one telescopic structure; the limiting mechanism is arranged at the top of the outer tube fixing frame and is used for clamping the outer peripheral wall of the outer tube;
The bottom of the inner tube fixing frame and the bottom of the outer tube fixing frame are connected with a moving mechanism, and the inner tube fixing frame or the outer tube fixing frame can rotate around the upright post so that the outer tube is sleeved on the inner tube;
the inner pipe fixing frame is provided with a pushing mechanism for limiting and pushing the flange plate; before the inner tube is fixed, the flange plate is connected to the pushing mechanism; when the inner pipe is fixed on the inner pipe fixing frame, the inner pipe is in a suspended state;
The flange mounting device comprises a flange fixing frame; the flange fixing frame is connected with the telescopic end of one telescopic structure, and is positioned at one side of the outer pipe fixing device far away from the inner pipe fixing device;
A retaining mechanism is arranged on one side, away from the flange, of the flange fixing frame, and a retaining mechanism is also arranged on one side, away from the inner tube, of the inner tube fixing frame;
The flange fixing frame is also provided with a pushing mechanism and a moving mechanism, and the moving mechanism is positioned at the bottom of the flange fixing frame;
the retaining mechanism comprises a retaining rod and a retaining part, and the retaining part is provided with a plurality of tooth-shaped grooves which are used for being in plug-in fit with the retaining rod; the flange plate fixing frame and the inner pipe fixing frame are connected with retaining rods;
Wherein, when the retaining rod is in plug-in fit with the retaining part, the retaining part can be fixed on the ground;
The moving mechanism comprises universal wheels and driving wheels; universal wheels are arranged at four corners of the bottom of the inner tube fixing frame, driving wheels are arranged at the bottom of the inner tube fixing frame, and the rotating shafts of the driving wheels are parallel to the axes of the telescopic ends on the inner tube fixing frame;
Universal wheels are arranged at four corners of the bottom of the outer tube fixing frame, driving wheels are arranged at the bottom of the outer tube fixing frame, and the rotating shafts of the driving wheels are parallel to the axis of the telescopic ends on the outer tube fixing frame;
the driving wheel can slide along the height direction, and when the driving wheel is in contact with the ground, the driving wheel can drive the inner pipe fixing frame to rotate around the upright post or drive the outer pipe fixing frame to rotate around the upright post;
The ground is provided with a groove for placing the retaining part, a jacking cylinder is arranged in the groove, the cylinder body of the jacking cylinder is fixed in the groove, and the piston rod of the jacking cylinder is connected with the retaining part;
the top of the retaining part is provided with a matching part, and the matching part is in plug-in matching with the retaining part; when the matching part and the stopping part are positioned in the groove, the top of the matching part and the ground are positioned on the same plane.
2. A heat pipe elbow penetration apparatus according to claim 1, wherein said telescoping structure comprises:
One end of the fixed cylinder is fixed on the sleeve, and the other end of the fixed cylinder extends along the radial direction of the sleeve;
the connecting rod is in sliding fit with the fixed cylinder; one end of the connecting rod is positioned in the fixed cylinder, and the other end of the connecting rod is positioned outside the fixed cylinder;
the driving piece is connected to the fixed cylinder or the sleeve; the driving end of the driving piece is connected with the connecting rod.
3. A heat pipe elbow penetrating apparatus according to claim 1, wherein said inner pipe fixing frame has a receiving cavity thereon, said pushing mechanism comprising:
one end of each pushing rod is in plug-in fit with the blind hole in the flange plate, the other end of each pushing rod extends into the accommodating cavity, and the pushing rods are in sliding fit with the inner tube fixing frame;
The pushing cylinders are in one-to-one correspondence with the pushing rods; the pushing cylinders are arranged in the accommodating cavity; and a piston rod of the pushing cylinder is connected with the inner side end of the pushing rod.
4. A heat preservation pipe elbow penetrating apparatus according to claim 1, wherein the inner pipe fixing frame is provided with a plurality of sliding grooves radially arranged along an end face of the inner pipe, one end of the tightening shaft is provided with a sliding block in sliding fit with the sliding grooves, and the clamping mechanism comprises:
The screw rods are in one-to-one correspondence with the sliding grooves; each screw is rotatably arranged in the corresponding chute, and the sliding block is provided with a threaded hole in threaded fit with the screw;
The positioning rings are in one-to-one correspondence with the jacking shafts; the diameter of the positioning ring is larger than that of the jacking shaft, and one side of the positioning ring is used for being in contact with the end part of the inner tube so as to position the end part of the inner tube.
5. A heat pipe elbow penetration apparatus according to claim 1, wherein the limiting mechanism comprises:
A first arc-shaped portion fixed on the outer tube fixing frame; the first arc-shaped part is used for being in contact with the outer peripheral wall of the outer tube;
One side of the second arc-shaped part is hinged to the first arc-shaped part; the second arcuate portion has elasticity that rotates to a position in contact with the outer tube when the outer tube is placed on the first arcuate portion.
6. A method of making a tube by using a tube threading device for making a tube by using a tube threading device according to any one of claims 1 to 5, comprising the steps of:
When the inner pipe is fixed on the inner pipe fixing frame and the outer pipe is fixed on the outer pipe fixing frame, the inner pipe fixing frame and the outer pipe fixing frame relatively rotate by taking the axis of the upright post as a rotation center, and finally the outer pipe is sleeved on the inner pipe; wherein, the flange plate on the inner tube fixing frame is positioned at one end of the inner tube and one end of the outer tube;
the flange fixing frame drives the flange to rotate around the axis of the upright post, and the flange stops rotating when contacting with the end parts of the inner pipe and the outer pipe;
the retaining mechanism limits the positions of the flange fixing frame and the inner pipe fixing frame, and pushes the flange through a pushing mechanism on the flange so as to push the flanges at two ends of the inner pipe in place.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410239249.1A CN117818077B (en) | 2024-03-04 | 2024-03-04 | Pipe penetrating equipment and pipe penetrating method for heat preservation pipe elbow |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410239249.1A CN117818077B (en) | 2024-03-04 | 2024-03-04 | Pipe penetrating equipment and pipe penetrating method for heat preservation pipe elbow |
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| CN117818077A CN117818077A (en) | 2024-04-05 |
| CN117818077B true CN117818077B (en) | 2024-04-30 |
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| CN109109331A (en) * | 2018-09-17 | 2019-01-01 | 山东茂盛管业有限公司 | A kind of prefabricated direct-buried hot water thermal insulating bend pipe poling equipment of polyethylene and application method |
| CN111946925A (en) * | 2020-08-14 | 2020-11-17 | 青岛华仕达机器股份有限公司 | Pipe penetrating device for elbow heat-preservation pipe |
| CN115782024A (en) * | 2023-02-02 | 2023-03-14 | 秦皇岛市牧热防腐保温工程有限公司 | Prefabricated direct-burried insulating tube suit apparatus for producing |
| CN220075332U (en) * | 2023-06-20 | 2023-11-24 | 天津市百瑞泰管业股份有限公司 | Insulating tube poling device |
| CN117532869A (en) * | 2024-01-09 | 2024-02-09 | 河北恒通管件集团有限公司 | Automatic winding device and winding method for corrosion prevention of bent pipe polyethylene composite belt |
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2024
- 2024-03-04 CN CN202410239249.1A patent/CN117818077B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109109331A (en) * | 2018-09-17 | 2019-01-01 | 山东茂盛管业有限公司 | A kind of prefabricated direct-buried hot water thermal insulating bend pipe poling equipment of polyethylene and application method |
| CN111946925A (en) * | 2020-08-14 | 2020-11-17 | 青岛华仕达机器股份有限公司 | Pipe penetrating device for elbow heat-preservation pipe |
| CN115782024A (en) * | 2023-02-02 | 2023-03-14 | 秦皇岛市牧热防腐保温工程有限公司 | Prefabricated direct-burried insulating tube suit apparatus for producing |
| CN220075332U (en) * | 2023-06-20 | 2023-11-24 | 天津市百瑞泰管业股份有限公司 | Insulating tube poling device |
| CN117532869A (en) * | 2024-01-09 | 2024-02-09 | 河北恒通管件集团有限公司 | Automatic winding device and winding method for corrosion prevention of bent pipe polyethylene composite belt |
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| Publication number | Publication date |
|---|---|
| CN117818077A (en) | 2024-04-05 |
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