CN114413100A - Method and device for replacing explosion-proof PE pipe in working state - Google Patents
Method and device for replacing explosion-proof PE pipe in working state Download PDFInfo
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- CN114413100A CN114413100A CN202210025764.0A CN202210025764A CN114413100A CN 114413100 A CN114413100 A CN 114413100A CN 202210025764 A CN202210025764 A CN 202210025764A CN 114413100 A CN114413100 A CN 114413100A
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- 238000000034 method Methods 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 196
- 238000005520 cutting process Methods 0.000 claims abstract description 77
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 239000007769 metal material Substances 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 description 23
- 230000000694 effects Effects 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000003317 industrial substance Substances 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
- F16L55/168—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/18—Appliances for use in repairing pipes
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention discloses a replacing device of an explosion-proof PE pipe in a working state, which belongs to the technical field of PE pipe replacement and comprises an upper box body and a lower box body, wherein the upper box body is rotationally connected with the lower box body, and the upper box body and the lower box body are used for sealing and clamping damaged water pipes; the upper box body and the lower box body are internally provided with a cutting mechanism and a replacing mechanism, the cutting mechanism is used for cutting off the part of the water leaking from the surface of the damaged water pipe, the replacing mechanism drives a new water pipe to move towards the direction far away from the damaged water pipe when the cutting mechanism cuts the water pipe, the replacing mechanism is used for driving the new water pipe to move towards the damaged water pipe when the cutting mechanism completely cuts off the damaged water pipe, and then the new water pipe is tightly arranged at the cut-off part of the surface of the damaged water pipe; the device can need not close the water source at the in-process of changing the water pipe for damage the normal work of water pipe, the normal transportation of rivers flows, thereby can avoid the bad influence because of changing PE pipe and causing.
Description
Technical Field
The invention relates to the technical field of PE pipe replacement, in particular to a replacement method and a replacement device for an explosion-proof PE pipe in a working state.
Background
The PE pipe is a polyethylene pipe, and the application range of a common PE pipe water supply pipeline is lower than 40 ℃, so that the PE pipe cannot be used for a hot water conveying pipeline. PE pipe is a highly crystalline, non-polar thermoplastic resin. The appearance of the original HDPE is milky white, and the micro-thin section is semitransparent to a certain degree. PE has excellent resistance to most domestic and industrial chemicals. PE pipe's application is extensive. The water supply pipe and the gas pipe are two largest application markets.
The phenomenon that can appear leaking after the damage is broken to PE feed pipe surface, need break the partly of leaking with PE pipe when maintenance PE pipe and cut off, then change new PE pipe, when the maintenance is changed to current PE pipe, at first need be closed the water source for PE pipe stop work, consequently rivers then can stop the transportation that flows, thereby can cause the puzzlement to relevant industrial production and people's daily life in the time of PE pipe stop work.
Based on the above, the invention designs a method and a device for replacing an explosion-proof PE pipe in a working state, so as to solve the above problems.
Disclosure of Invention
The invention aims to provide a method and a device for replacing an explosion-proof PE pipe in a working state, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a replacing device for an explosion-proof PE pipe in a working state comprises an upper box body and a lower box body, wherein the upper box body is rotatably connected with the lower box body, and the upper box body and the lower box body are used for sealing and clamping damaged water pipes; go up box and lower box inside and be equipped with cutting mechanism and change mechanism, cutting mechanism is used for cutting off the part that leaks with the water pipe surface of damage, and when cutting mechanism cut the water pipe, change mechanism drives new water pipe and removes to the water pipe direction of keeping away from the damage, change mechanism is used for cutting mechanism when cutting mechanism cuts off the water pipe of damage completely, and change mechanism drives new water pipe and removes to the water pipe direction of damage, then closely installs the part position that the water pipe surface of damage was cut off with new water pipe.
The cutting mechanism comprises a fixed plate, two half gear rings are symmetrically arranged at the left end and the right end of the fixed plate, and the two half gear rings are respectively and fixedly connected with the surfaces of the upper box body and the lower box body; the surface of the half gear ring is provided with a sliding chute, a sliding block is connected in the sliding chute in a sliding mode, and the left end and the right end of the fixing plate are fixedly connected with the sliding blocks on the left side and the right side; two ends of the two half gear rings are mutually attached, and sliding chutes in the two half gear rings are mutually communicated; cutting knives are symmetrically arranged at the left side and the right side of the upper end of the fixed plate; the bottom end of the fixed plate is provided with a first driving mechanism, the upper end of the fixed plate is provided with a second driving mechanism, the first driving mechanism is used for driving the sliding block to slide in the sliding groove so as to drive the fixed plate to rotate along the track of the sliding groove to drive the cutting knife to rotate around the surface of the damaged water pipe, and the second driving mechanism is used for driving the cutting knife to rotate and simultaneously drives the rotating cutting knife to move to the position of cutting the damaged water pipe.
The first driving mechanism comprises a motor, the motor is fixedly connected with a fixing plate, gears are symmetrically and fixedly connected to the left end and the right end of an output shaft of the motor, the gears are rotatably connected with the fixing plate, and the gears on the left side and the right side are respectively meshed with half gear rings on the left side and the right side.
The second driving mechanism comprises two first bevel gears and two second bevel gears, the first bevel gears are meshed with the second bevel gears, and the first bevel gears are fixedly connected with the output shaft of the motor; the upper end of the second bevel gear is fixedly connected with a telescopic rod, the telescopic rod is rotatably connected with the fixed plate, and the upper end of the telescopic rod is fixedly connected with a third bevel gear; the upper end of the fixed plate is provided with a sliding plate, the left side and the right side of the upper end of the fixed plate are symmetrically and fixedly connected with a support frame, the sliding plate is connected with the support frame in a sliding mode, the cutting knife is connected with the sliding plate in a rotating mode, the surfaces of the cutting knife on the left side and the right side are fixedly connected with fourth bevel gears, the fourth bevel gears are meshed with third bevel gears, and the third bevel gears are connected with the sliding plate in a rotating mode; the support frame is attached to the surface of the damaged water pipe, the bottom end of the support frame is fixedly connected with an air cylinder, and the other end of the air cylinder is fixedly connected with the sliding plate.
The replacing mechanism comprises two semi-conical gear rings which are respectively and fixedly connected with the upper box body and the lower box body; the upper end of the fixing plate is fixedly connected with a fixing frame, the surface of the fixing frame is rotationally connected with a fifth bevel gear, the surface of the fixing frame is slidably connected with a threaded rod, the threaded rod is in threaded fit with the fifth bevel gear, the fifth bevel gear is meshed with a semi-conical toothed ring, and two ends of the semi-conical toothed ring on the upper side and the lower side are mutually attached; the bottom end of the threaded rod is fixedly connected with a first connecting block, the left end and the right end of the first connecting block are symmetrically and rotatably connected with a connecting rod, the other end of the connecting rod is rotatably connected with a second connecting block, the front end and the rear end of the surface of the second connecting block are symmetrically and rotatably connected with arc-shaped clamping plates, and the arc-shaped clamping plates on the front side and the rear side are both attached to the surface of a new water pipe; the surface of the arc-shaped clamping plate is fixedly connected with a second connecting block at the rotating part, and the other end of the torsional spring is fixedly connected with the second connecting block.
The left end and the right end of the surface of the new water pipe are connected with connecting sleeves in a sliding mode, the inner surface of each connecting sleeve is uniformly and fixedly connected with a plurality of sealing rings, and the sealing rings are attached to the surface of the new water pipe; the connecting sleeve is characterized in that the front end and the rear end of the surface of the connecting sleeve are symmetrically and fixedly connected with first clamping blocks, the front end and the rear end of the new water pipe are symmetrically and fixedly connected with second clamping blocks, the first clamping blocks are in clamping fit with the second clamping blocks, and the second clamping blocks are integrally made of elastic metal materials.
The diameter of the first bevel gear is larger than that of the second bevel gear, and the diameter of the fourth bevel gear is larger than that of the third bevel gear.
A method for replacing an explosion-proof PE pipe in a working state comprises the following specific steps:
the method comprises the following steps: placing the damaged water leaking part on the surface of the water pipe at the middle positions in the upper box body and the lower box body, and then closing the upper box body and the lower box body;
step two: when the water leaked from the damaged water pipe is filled in the upper box body and the lower box body, the cutting mechanism is started to cut off the water leaking part on the surface of the damaged water pipe;
step three: after the cutting mechanism cuts off the water leaking part on the surface of the damaged water pipe, the replacing mechanism drives the new water pipe to move to the position where the damaged water pipe is cut off and tightly installs the new water pipe on the surface of the damaged water pipe.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the damaged water pipe is sealed and clamped between the upper box body and the lower box body, and then the upper box body and the lower box body are closed to form a sealed space, so that when water leaked from the damaged water pipe is filled in the upper box body and the lower box body, and the part leaking from the surface of the damaged water pipe is cut off by the cutting mechanism, the damaged water pipe can continue to normally work and transport water flow; when the cutting mechanism cuts the damaged water pipe, the replacing mechanism drives the new water pipe to move towards the direction far away from the damaged water pipe, so that a falling space can be vacated for the cut part of the damaged water pipe; when the cutting mechanism completely cuts off the water leaking part on the surface of the damaged water pipe, the cut-off part of the damaged water pipe falls down through the gap between the new water pipe and the damaged water pipe, at the moment, the replacing mechanism drives the new water pipe to move to the position of the cut-off part of the damaged water pipe, and then the new water pipe is tightly installed on the surface of the damaged water pipe; the device can be without closing the water source at the in-process of changing the water pipe for the normal work of water pipe is got in the damage, and rivers normal transportation flow.
2. According to the invention, when the threaded rod drives the new water pipe to move to a position in butt joint with the damaged water pipe, the threaded rod drives the first connecting block to continue moving, the connecting blocks can push the second connecting block and the arc-shaped clamping plate to respectively slide to the left end position and the right end position on the second surface through the connecting rods at the left end and the right end, the connecting sleeves at the left end and the right end of the surface of the new water pipe can be pushed to the surface of the damaged water pipe by the second connecting block and the arc-shaped clamping plate, so that the first clamping block on the surface of the connecting sleeve is clamped with the second clamping block on the surface of the damaged water pipe, and the effect of enabling the new water pipe to be connected with the damaged water pipe more tightly can be achieved.
Drawings
FIG. 1 is a flow chart of a method of the present invention;
FIG. 2 is a schematic diagram of the overall structure of the present invention;
FIG. 3 is a schematic view of the split structure of the present invention;
FIG. 4 is a schematic structural view of the upper case of the present invention in an open state;
FIG. 5 is a schematic view of the cutting mechanism of the present invention;
FIG. 6 is an enlarged view of A in FIG. 5;
FIG. 7 is a schematic structural view of a replacement mechanism according to the present invention;
FIG. 8 is an enlarged view of B in FIG. 7;
fig. 9 is a schematic structural view of a cross-sectional view of a connecting sleeve in the invention;
fig. 10 is a schematic structural view of the telescopic rod of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
the device comprises an upper box body 1, a lower box body 2, a fixing plate 4, a half gear ring 5, a sliding chute 6, a sliding block 7, a cutting knife 8, a motor 9, a gear 10, a first bevel gear 11, a second bevel gear 12, a telescopic rod 13, a third bevel gear 14, a sliding plate 15, a supporting frame 16, a fourth bevel gear 17, a cylinder 18, a half bevel gear ring 19, a fixing frame 20, a fifth bevel gear 21, a threaded rod 22, a first connecting block 23, a connecting rod 24, a second connecting block 25, an arc-shaped clamping plate 26, a torsion spring 27, a connecting sleeve 28, a sealing ring 29, a first clamping block 30 and a second clamping block 31.
Detailed Description
Referring to fig. 1-10, the present invention provides a technical solution: a device for replacing an anti-explosion PE pipe in a working state comprises an upper box body 1 and a lower box body 2, wherein the upper box body 1 is rotatably connected with the lower box body 2, and the upper box body 1 and the lower box body 2 are used for sealing and clamping damaged water pipes; the upper box body 1 and the lower box body 2 are internally provided with a cutting mechanism and a replacing mechanism, the cutting mechanism is used for cutting off the part of the water leaking from the surface of the damaged water pipe, the replacing mechanism drives a new water pipe to move towards the direction far away from the damaged water pipe when the cutting mechanism cuts the water pipe, the replacing mechanism is used for driving the new water pipe to move towards the damaged water pipe when the cutting mechanism completely cuts off the damaged water pipe, and then the new water pipe is tightly arranged at the cut-off part of the surface of the damaged water pipe; when the water pipe works, water flows inside the damaged water pipe when the damaged water pipe is in a working state, and the flowing transportation of the water flow is influenced when a new water pipe is replaced; the damaged water pipe is sealed and clamped between the upper box body 1 and the lower box body 2, and then the upper box body 1 and the lower box body 2 are closed to form a sealed space, so that when water leaking from the damaged water pipe is filled in the upper box body 1 and the lower box body 2, and the part leaking from the surface of the damaged water pipe is cut off by the cutting mechanism, the damaged water pipe can continue normal work and transportation of water flow; when the cutting mechanism cuts the damaged water pipe, the replacing mechanism drives the new water pipe to move towards the direction far away from the damaged water pipe, so that a falling space can be vacated for the cut part of the damaged water pipe; when the cutting mechanism completely cuts off the water leaking part on the surface of the damaged water pipe, the cut-off part of the damaged water pipe falls down through the gap between the new water pipe and the damaged water pipe, at the moment, the replacing mechanism drives the new water pipe to move to the position of the cut-off part of the damaged water pipe, and then the new water pipe is tightly installed on the surface of the damaged water pipe; the device can be without closing the water source at the in-process of changing the water pipe for the normal work of water pipe is got in the damage, and rivers normal transportation flow.
As a further scheme of the invention, the cutting mechanism comprises a fixed plate 4, two half gear rings 5 are symmetrically arranged at the left end and the right end of the fixed plate 4, and the two half gear rings 5 are respectively and fixedly connected with the surfaces of the upper box body 1 and the lower box body 2; the surface of the semi-gear ring 5 is provided with a sliding chute 6, a sliding block 7 is connected in the sliding chute 6 in a sliding way, and the left end and the right end of the fixed plate 4 are fixedly connected with the sliding blocks 7 on the left side and the right side; two ends of the two half gear rings 5 are mutually attached, and the sliding chutes 6 in the two half gear rings 5 are mutually communicated; the left side and the right side of the upper end of the fixed plate 4 are symmetrically provided with cutting knives 8; the bottom end of the fixed plate 4 is provided with a first driving mechanism, the upper end of the fixed plate 4 is provided with a second driving mechanism, the first driving mechanism is used for driving the sliding block 7 to slide in the sliding groove 6 so as to drive the fixed plate 4 to rotate along the track of the sliding groove 6 to drive the cutting knife 8 to rotate around the surface of the damaged water pipe, and the second driving mechanism is used for driving the cutting knife 8 to rotate and simultaneously driving the rotating cutting knife 8 to move to the position for cutting the damaged water pipe; during operation, can drive fixed plate 4 and revolve around the water pipe of damage through starting first actuating mechanism, can drive the cutting knife 8 rotation of the 4 surperficial left and right sides of fixed plate through starting second actuating mechanism, drive cutting knife 8 simultaneously and remove and cut the water pipe of damage to the water pipe direction that is close to the damage, fixed plate 4 can drive cutting knife 8 and also revolve around the water pipe of damage and rotate the cutting when revolving around the water pipe of damage, thereby can realize that the part of the water pipe surface damage of cutting knife 8 will damage cuts off.
As a further scheme of the invention, the first driving mechanism comprises a motor 9, the motor 9 is fixedly connected with the fixed plate 4, gears 10 are symmetrically and fixedly connected to the left end and the right end of an output shaft of the motor 9, the gears 10 are rotatably connected with the fixed plate 4, and the left side gear 10 and the right side gear 10 are respectively meshed with the left side semi-gear ring 5 and the right side semi-gear ring 5; during operation, can drive the gear 10 rotation at both ends about through starter motor 9, can make fixed plate 4 drive slider 7 slide in spout 6 under the effect of two half ring gears 5 in the left and right sides during gear 10 rotates to can make fixed plate 4 can surround the water pipe rotation of damage steadily.
As a further scheme of the invention, the second driving mechanism comprises two first bevel gears 11 and two second bevel gears 12, the first bevel gears 11 are meshed with the second bevel gears 12, and the first bevel gears 11 are fixedly connected with the output shaft of the motor 9; the upper end of the second bevel gear 12 is fixedly connected with a telescopic rod 13, the telescopic rod 13 is rotatably connected with the fixing plate 4, and the upper end of the telescopic rod 13 is fixedly connected with a third bevel gear 14; the upper end of the fixed plate 4 is provided with a sliding plate 15, the left side and the right side of the upper end of the fixed plate 4 are symmetrically and fixedly connected with a support frame 16, the sliding plate 15 is in sliding connection with the support frame 16, the cutting knife 8 is in rotating connection with the sliding plate 15, the surfaces of the cutting knives 8 on the left side and the right side are fixedly connected with fourth bevel gears 17, the fourth bevel gears 17 are meshed with third bevel gears 14, and the third bevel gears 14 are in rotating connection with the sliding plate 15; the support frame 16 is attached to the surface of the damaged water pipe, the bottom end of the support frame 16 is fixedly connected with an air cylinder 18, and the other end of the air cylinder 18 is fixedly connected with the sliding plate 15; when the device works, the motor 9 is started to drive the first bevel gears 11 at the left end and the right end to rotate, the first bevel gears 11 drive the second bevel gears 12 to rotate when rotating, the second bevel gears 12 drive the telescopic rods 13 to rotate when rotating, the telescopic rods 13 drive the fourth bevel gears 17 to rotate when rotating, the fourth bevel gears 17 drive the cutting knives 8 to rotate through the third bevel gears 14 when rotating, at the moment, the starting air cylinders 18 can drive the sliding plates 15 to slide upwards on the surfaces of the supporting frames 16, the sliding plates 15 drive the telescopic rods 13 to stretch when sliding upwards, and simultaneously drive the cutting knives 8 at the left end and the right end to move upwards, when the cutting knife 8 moves to the uppermost position, the cutting knife 8 just cuts the damaged inner wall of the water pipe, the cutting blade 8 is then rotated around the damaged water pipe by the fixing plate 4, so that the damaged portion of the surface of the damaged water pipe can be completely cut off.
As a further scheme of the invention, the replacing mechanism comprises two semi-conical toothed rings 19, and the two semi-conical toothed rings 19 are respectively and fixedly connected with the upper box body 1 and the lower box body 2; the upper end of the fixing plate 4 is fixedly connected with a fixing frame 20, the surface of the fixing frame 20 is rotationally connected with a fifth bevel gear 21, the surface of the fixing frame 20 is slidably connected with a threaded rod 22, the threaded rod 22 is in threaded fit with the fifth bevel gear 21, the fifth bevel gear 21 is meshed with the half-bevel gear ring 19, and two ends of the half-bevel gear ring 19 on the upper side and the lower side are mutually attached; the bottom end of the threaded rod 22 is fixedly connected with a first connecting block 23, the left end and the right end of the first connecting block 23 are symmetrically and rotatably connected with connecting rods 24, the other end of each connecting rod 24 is rotatably connected with a second connecting block 25, the front end and the rear end of the surface of each second connecting block 25 are symmetrically and rotatably connected with arc-shaped clamping plates 26, and the arc-shaped clamping plates 26 on the front side and the rear side are attached to the surface of a new water pipe; the surface of the arc-shaped clamping plate 26 and the rotating part of the second connecting block 25 are fixedly connected with a torsion spring 27, and the other end of the torsion spring 27 is fixedly connected with the second connecting block 25; when the water pipe cutting machine works, when the fixed plate 4 rotates around a damaged water pipe, the fixed frame 20 is driven to rotate along with the fixed frame 20, the fixed frame 20 drives the threaded rod 22 on the surface of the fixed frame and the fifth bevel gear 21 to rotate along with the fixed frame 20, the fifth bevel gear 21 starts to rotate under the action of the two half-cone-tooth rings 19 when rotating along with the fixed frame 20, the fifth bevel gear 21 drives the threaded rod 22 to move towards the direction away from the damaged water pipe when rotating, when the threaded rod 22 moves to the maximum position, the damaged water pipe is cut off, the cut-off distribution of the damaged water pipe can automatically drop, at the moment, the starting motor 9 rotates reversely, the air cylinder 18 is started simultaneously to reset the sliding plate 15 to slide to the position attached to the fixed plate 4, when the fixed plate 4 drives the fixed frame 20 to rotate reversely, the fifth bevel gear 21 drives the threaded rod 22 to move towards the direction close to the damaged water pipe under the action of the two half-cone-tooth rings 19, the threaded rod 22 drives a new water pipe to move through the first connecting block 23, the connecting rod 24, the second connecting block 25 and the arc-shaped clamping plate 26, when the new water pipe moves to a position in contact with the surface of the support frame 16, the new water pipe and the damaged water pipe are located at the same height, and the left end and the right end of the new water pipe are attached to the damaged water pipe at the left end and the right end.
As a further scheme of the invention, the left end and the right end of the surface of the new water pipe are connected with the connecting sleeves 28 in a sliding manner, the inner surfaces of the connecting sleeves 28 are uniformly and fixedly connected with a plurality of sealing rings 29, and the sealing rings 29 are attached to the surface of the new water pipe; the front end and the rear end of the surface of the connecting sleeve 28 are symmetrically and fixedly connected with a first clamping block 30, the front end and the rear end of the new water pipe are symmetrically and fixedly connected with a second clamping block 31, the first clamping block 30 is in clamping fit with the second clamping block 31, and the whole second clamping block 31 is made of elastic metal material; during operation, when the water pipe butt joint of damage at both ends about new water pipe and, threaded rod 22 drives first connecting block 23 and continues to remove, first connecting block 23 drives second connecting block 25 and the arc splint 26 of controlling both ends through the connecting rod 24 of controlling both ends and slides to controlling both ends position respectively on new water pipe surface, can push away the water pipe surface of damage with the adapter sleeve 28 on new water pipe surface through second connecting block 25 and arc splint 26, when the first fixture block 30 on adapter sleeve 28 surface blocks with the second fixture block 31 on the water pipe surface of damage, the water pipe and the new water piping connection that damage this moment finish, can stop motor 9.
As a further aspect of the present invention, the diameter of the first bevel gear 11 is larger than the diameter of the second bevel gear 12, and the diameter of the fourth bevel gear 17 is larger than the diameter of the third bevel gear 14; the during operation, owing to need the quick rotation of cutting knife 8 when the water pipe of cutting damage, can rotate through first bevel gear 11 in order to drive the quick rotation of second bevel gear 12, second bevel gear 12 drives fourth bevel gear 17 and rotates with the speed, and fourth bevel gear 17 drives third bevel gear 14 and rotates fast, thereby third bevel gear 14 can drive the quick rotation of cutting knife 8 to can promote the cutting effect of cutting knife 8 effectively.
A method for replacing an explosion-proof PE pipe in a working state comprises the following specific steps:
the method comprises the following steps: placing the damaged water leaking part on the surface of the water pipe at the middle positions in the upper box body 1 and the lower box body 2, and then closing the upper box body 1 and the lower box body 2;
step two: when the water leaked from the damaged water pipe is filled in the upper box body 1 and the lower box body 2, the cutting mechanism is started to cut off the water leaking part on the surface of the damaged water pipe;
step three: after the cutting mechanism cuts off the water leaking part on the surface of the damaged water pipe, the replacing mechanism drives the new water pipe to move to the position where the damaged water pipe is cut off and tightly installs the new water pipe on the surface of the damaged water pipe.
Claims (8)
1. The utility model provides a change device under explosion-proof PE pipe operating condition, includes box (1) and lower box (2), its characterized in that: the upper box body (1) is rotatably connected with the lower box body (2), and the upper box body (1) and the lower box body (2) are used for sealing and clamping damaged water pipes; go up box (1) and box (2) inside cutting mechanism and the change mechanism of being equipped with down, cutting mechanism is used for cutting off the part that leaks with the water pipe surface of damage, and in the time of cutting mechanism cutting water pipe, change mechanism drives new water pipe and removes to keeping away from the water pipe direction of damage, change mechanism is used for when cutting mechanism cuts off the water pipe of damage completely, and change mechanism drives new water pipe and removes to the water pipe direction of damage, then closely installs the part position that the water pipe surface of damage was cut off with new water pipe.
2. The device for replacing the explosion-proof PE pipe in the working state according to claim 1, wherein: the cutting mechanism comprises a fixed plate (4), two half gear rings (5) are symmetrically arranged at the left end and the right end of the fixed plate (4), and the two half gear rings (5) are respectively fixedly connected with the surfaces of the upper box body (1) and the lower box body (2); the surface of the half gear ring (5) is provided with a sliding chute (6), the sliding chute (6) is connected with a sliding block (7) in a sliding way, and the left end and the right end of the fixed plate (4) are fixedly connected with the sliding blocks (7) on the left side and the right side; two ends of the two half gear rings (5) are mutually attached, and the sliding chutes (6) in the two half gear rings (5) are mutually communicated; cutting knives (8) are symmetrically arranged at the left side and the right side of the upper end of the fixed plate (4); the water pipe cutting machine is characterized in that a first driving mechanism is arranged at the bottom end of the fixing plate (4), a second driving mechanism is arranged at the upper end of the fixing plate (4), the first driving mechanism is used for driving the sliding block (7) to slide in the sliding groove (6) so as to drive the fixing plate (4) to rotate along the track of the sliding groove (6) to drive the cutting knife (8) to rotate around the damaged water pipe surface, and the second driving mechanism is used for driving the cutting knife (8) to rotate and simultaneously drives the rotating cutting knife (8) to move to the position of cutting the damaged water pipe.
3. The device for replacing the explosion-proof PE pipe in the working state according to claim 2, wherein: first actuating mechanism includes motor (9), motor (9) and fixed plate (4) fixed connection and motor (9) output shaft left and right ends symmetry fixedly connected with gear (10), gear (10) rotate with fixed plate (4) and are connected, the left and right sides gear (10) mesh with semi-ring gear (5) of the left and right sides respectively.
4. The device for replacing the explosion-proof PE pipe in the working state according to claim 3, wherein: the second driving mechanism comprises two first bevel gears (11) and two second bevel gears (12), the first bevel gears (11) are meshed with the second bevel gears (12), and the first bevel gears (11) are fixedly connected with an output shaft of the motor (9); the upper end of the second bevel gear (12) is fixedly connected with a telescopic rod (13), the telescopic rod (13) is rotatably connected with the fixing plate (4), and the upper end of the telescopic rod (13) is fixedly connected with a third bevel gear (14); a sliding plate (15) is arranged at the upper end of the fixed plate (4), supporting frames (16) are symmetrically and fixedly connected to the left side and the right side of the upper end of the fixed plate (4), the sliding plate (15) is in sliding connection with the supporting frames (16), a cutting knife (8) is rotationally connected with the sliding plate (15), fourth bevel gears (17) are fixedly connected to the surfaces of the cutting knife (8) on the left side and the right side, the fourth bevel gears (17) are meshed with third bevel gears (14), and the third bevel gears (14) are rotationally connected with the sliding plate (15); the support frame (16) is attached to the surface of the damaged water pipe, the bottom end of the support frame (16) is fixedly connected with an air cylinder (18), and the other end of the air cylinder (18) is fixedly connected with the sliding plate (15).
5. The device for replacing the explosion-proof PE pipe in the working state according to claim 2, wherein: the replacing mechanism comprises two semi-conical gear rings (19), and the two semi-conical gear rings (19) are respectively and fixedly connected with the upper box body (1) and the lower box body (2); the upper end of the fixing plate (4) is fixedly connected with a fixing frame (20), the surface of the fixing frame (20) is rotatably connected with a fifth bevel gear (21), the surface of the fixing frame (20) is slidably connected with a threaded rod (22), the threaded rod (22) is in threaded fit with the fifth bevel gear (21), the fifth bevel gear (21) is meshed with a semi-conical toothed ring (19), and two ends of the semi-conical toothed ring (19) on the upper side and the lower side are mutually attached; the bottom end of the threaded rod (22) is fixedly connected with a first connecting block (23), the left end and the right end of the first connecting block (23) are symmetrically and rotatably connected with connecting rods (24), the other end of each connecting rod (24) is rotatably connected with a second connecting block (25), the front end and the rear end of the surface of each second connecting block (25) are symmetrically and rotatably connected with arc-shaped clamping plates (26), and the arc-shaped clamping plates (26) on the front side and the rear side are attached to the surface of a new water pipe; arc splint (26) surface and second connecting block (25) rotation department fixedly connected with torsional spring (27), torsional spring (27) other end and second connecting block (25) fixed connection.
6. The device for replacing the explosion-proof PE pipe in the working state according to claim 1, wherein: the left end and the right end of the surface of the new water pipe are connected with connecting sleeves (28) in a sliding mode, the inner surface of each connecting sleeve (28) is evenly and fixedly connected with a plurality of sealing rings (29), and the sealing rings (29) are attached to the surface of the new water pipe; the novel water pipe connecting structure is characterized in that the front end and the rear end of the surface of the connecting sleeve (28) are symmetrically and fixedly connected with first clamping blocks (30), the front end and the rear end of the novel water pipe are symmetrically and fixedly connected with second clamping blocks (31), the first clamping blocks (30) are in clamping fit with the second clamping blocks (31), and the second clamping blocks (31) are integrally made of elastic metal materials.
7. The device for replacing the explosion-proof PE pipe in the working state according to claim 4, wherein: the diameter of the first bevel gear (11) is larger than that of the second bevel gear (12), and the diameter of the fourth bevel gear (17) is larger than that of the third bevel gear (14).
8. A method for replacing an explosion-proof PE pipe in an operating state, which is applied to the replacing device of any one of claims 1 to 7, the method comprising the steps of: the method comprises the following specific steps:
the method comprises the following steps: placing the damaged water leaking part on the surface of the water pipe at the middle positions in the upper box body (1) and the lower box body (2), and then closing the upper box body (1) and the lower box body (2);
step two: when the water leaked from the damaged water pipe is filled in the upper box body (1) and the lower box body (2), the cutting mechanism is started to cut off the water leaking part on the surface of the damaged water pipe;
step three: after the cutting mechanism cuts off the water leaking part on the surface of the damaged water pipe, the replacing mechanism drives the new water pipe to move to the position where the damaged water pipe is cut off and tightly installs the new water pipe on the surface of the damaged water pipe.
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| CN202210025764.0A CN114413100B (en) | 2022-01-11 | 2022-01-11 | Replacement method and device for explosion-proof PE pipe in working state |
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| CN202210025764.0A CN114413100B (en) | 2022-01-11 | 2022-01-11 | Replacement method and device for explosion-proof PE pipe in working state |
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| Publication number | Publication date |
|---|---|
| CN114413100B (en) | 2024-03-19 |
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