CN110792876A - Municipal works are used prevent pounding bad pipeline - Google Patents
Municipal works are used prevent pounding bad pipeline Download PDFInfo
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- CN110792876A CN110792876A CN201911098611.3A CN201911098611A CN110792876A CN 110792876 A CN110792876 A CN 110792876A CN 201911098611 A CN201911098611 A CN 201911098611A CN 110792876 A CN110792876 A CN 110792876A
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- rotating shaft
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- square groove
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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
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
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Abstract
The invention belongs to the technical field of pipelines, and particularly relates to a pipeline for preventing smashing damage in municipal engineering, which consists of a plurality of pipeline units, wherein any one pipeline unit is selected; the earthquake-proof pipeline comprises a supporting mechanism, a transmission mechanism, a pipeline and a pulley groove, wherein when an earthquake occurs; if the ground positioned at the outer sides of the two driving plates is cracked; the soil can drive the two driving plates to move in the same direction; the two driving plates can drive the two racks to move towards the same direction when moving; the two racks move to drive the two second gear wheels to rotate; the two second gears rotate to drive the third gear to rotate; rotation of the third gear causes rotation of the three pulleys; the three pulleys can move out of the square groove by rotating and move towards the ground fracture direction; when the three pulleys move to the position close to the ground fracture; the three arc-shaped telescopic supports play a role in supporting the pipeline; the weight blocks at the ground fracture part are prevented from falling off to damage the pipeline; thereby protecting the pipeline.
Description
Technical Field
The invention belongs to the technical field of pipelines, and particularly relates to a pipeline for preventing smashing damage in municipal engineering.
Background
At present, pipelines are mostly welded; when an earthquake is encountered; cracks may occur on the ground on the upper side of the pipeline; so that the pipe is exposed to the outside; if something is thrown to the upper side of the pipeline just above the crack, the pipeline can be damaged; liquid or gas in the pipeline flows out; if the gas or liquid flowing out is harmful gas or harmful liquid, the health of people can be affected; it is very necessary to design a pipe capable of preventing the pipe from being broken when the pipe is hit.
The invention designs a crushing-proof pipeline for municipal engineering to solve the problems.
Disclosure of Invention
In order to solve the defects in the prior art, the invention discloses a pipeline for municipal engineering for preventing from being damaged by crashing, which is realized by adopting the following technical scheme.
The utility model provides a prevent pounding bad pipeline that municipal works were used which characterized in that: the pipeline unit is composed of a plurality of pipeline units, wherein any one pipeline unit is; the pipeline comprises a supporting mechanism, a transmission mechanism, a pipeline and pulley grooves, wherein the inner circular surface at one end of the pipeline is provided with three pulley grooves which are uniformly distributed in the circumferential direction; both sides of each pulley groove are provided with an arc-shaped surface; the supporting mechanism is arranged on the inner side of the pipeline and matched with the pulley groove; the transmission mechanism is arranged on the outer circular surface of the pipeline.
The support mechanism comprises a pulley, an arc-shaped telescopic support, a connecting support lug and a first support shaft, wherein the first support shaft is arranged on the connecting support lug; the three pulleys are respectively arranged on the three first supporting shafts; the three first support shafts are respectively arranged on the inner side of the pipeline through three arc-shaped telescopic supports, and the three pulleys are respectively positioned in the three pulley grooves; the joint of the three arc-shaped telescopic supports is positioned on the central axis of the pipeline.
The transmission mechanism comprises a ring gear, a first gear, a second gear, an installation block, a guide rod, a rack, a drive plate, a rack hole, a guide hole, a square groove, a third gear, a fourth gear, a first rotating shaft, a volute spring, a second rotating shaft, an annular guide groove, an annular guide rail, a fifth gear, an eighth rotating shaft, a third rotating shaft, a fixed support, a ninth rotating shaft, a seventh gear, an eighth gear, a fifth rotating shaft, a sixth rotating shaft, a seventh rotating shaft and a sixth gear, wherein the inner side of the installation block is provided with the square groove; two rack holes are formed in the wall surfaces of the two sides of the upper end of the square groove, and the four rack holes are symmetrical in pairs; the mounting block is provided with four through guide holes which are all positioned at the upper side of the square groove; the annular guide rail is arranged on the wall surface of the inner side of the square groove; one end of the ring gear is provided with a ring-shaped guide groove; the annular gear is arranged at the lower end of the inner side of the square groove through the matching of the annular guide groove and the annular guide rail; one ends of the three second rotating shafts are respectively arranged on the wall surface of the inner side of the square groove, and the three second rotating shafts are circumferentially and uniformly distributed on the inner side of the ring gear; the three fifth gears are respectively arranged on the three second rotating shafts; the three fifth gears are all meshed with the inner teeth of the ring gear; the other ends of the three second rotating shafts are respectively connected with the three first supporting shafts through flexible shafts; one end of the seventh rotating shaft is arranged on the wall surface of the inner side of the square groove; the first gear is arranged on the seventh rotating shaft; the first gear is meshed with the external teeth of the ring gear; one end of the first rotating shaft is arranged in a circular hole on the inner side wall surface of the square groove; the side surface of one end of the elastic connecting rod is arranged at the other end of the first rotating shaft; one end of the third rotating shaft is arranged on the side surface of the other end of the elastic connecting rod; the third gear is arranged at one end of the third rotating shaft; the third gear is matched with the first gear; a volute spiral spring is arranged between the first rotating shaft and the inner side wall surface of the square groove; the inner end of the scroll spring is arranged on the first rotating shaft; the outer end of the volute spiral spring is arranged on the inner side wall surface of the square groove; the two eighth rotating shafts are respectively arranged on the wall surface of the inner side of the square groove; the two second gears are respectively arranged on the two eighth rotating shafts; the two second gears are meshed with the third gear, and the two second gears are respectively positioned at two ends of the third gear; the sixth rotating shaft is arranged on the wall surface of the inner side of the square groove through a fixed support; the sixth gear is arranged on the sixth rotating shaft; the sixth gear is meshed with the external teeth of the ring gear; the sixth gear and the first gear are respectively positioned at two ends of the ring gear; one end of the fifth rotating shaft is arranged on the wall surface of the inner side of the square groove through a fixed support; the other end of the fifth rotating shaft is provided with a fourth gear; the fourth gear is meshed with the sixth gear; the eighth gear is arranged at the other end of the third rotating shaft; one end of the ninth rotating shaft is arranged on the wall surface of the inner side of the square groove; the other end of the ninth rotating shaft is provided with a seventh gear; the seventh gear is meshed with the eighth gear; the fifth rotating shaft is connected with one end of the ninth rotating shaft, which is provided with a seventh gear, through a flexible shaft; two racks of the flexible shaft are respectively arranged on the mounting block through rack holes; the two racks are respectively meshed with the two second gears; two driving plates are respectively arranged on the two racks and are respectively positioned on two sides of the mounting block; two guide rods are installed on the two driving plates, and the four guide rods penetrate through the four guide holes respectively.
The second gear comprises teeth, a second spring, a weight, a gear shell, tooth sockets, a guide groove and a guide block, wherein a plurality of tooth sockets are uniformly formed on the circumferential direction of the outer circular surface of the gear shell; the mounting structure in each tooth socket is completely the same, and any one of the tooth sockets is replaced by the corresponding tooth socket; two guide grooves are symmetrically formed in two sides of the tooth socket; two guide blocks are symmetrically arranged on two sides of the tooth; the teeth are arranged in the tooth sockets through the matching of the two guide blocks and the guide grooves; the weight is arranged on the inner side of the tooth socket; a second spring is arranged between the weight block and the teeth; the elastic force of the second spring is larger than the sum of the elastic forces of the first spring and the spiral spring.
When the three arc-shaped telescopic supports are compressed to the limit state; the three pulleys are just flush with the inner circle surface of the pipeline. The function of the three arc-shaped telescopic supports is to ensure that the three arc-shaped telescopic supports are compressed to the limit state; the pipeline can be supported by the three pulleys and the three arc-shaped telescopic supports.
As a further improvement of the present technology, the first spring is an extension spring.
As a further improvement of the technology, the number of the pulleys, the arc-shaped telescopic supports, the connecting lugs, the first supporting shaft, the square groove, the second rotating shaft and the fifth gear is four or five.
As a further improvement of the present technique, the second spring is a compression spring.
As a further improvement of the technology, the above-mentioned alternative as the elastic connecting rod is a telescopic outer sleeve, a telescopic inner rod and a first spring. The specific alternative scheme is as follows: the side surface of one end of the telescopic outer sleeve is arranged at the other end of the first rotating shaft; one end of the telescopic inner rod is arranged at the inner side of the telescopic outer sleeve; a first spring is arranged between the telescopic inner rod and the telescopic outer sleeve; one end of the third rotating shaft is arranged on the side surface of the other end of the telescopic inner rod;
compared with the traditional pipeline technology, the pipeline designed by the invention can prevent the pipeline from being damaged by self adjustment when being impacted.
Three pulleys are respectively arranged on three first supporting shafts; the three first support shafts are respectively arranged on the inner side of the pipeline through three arc-shaped telescopic supports, and the three pulleys are respectively positioned in the three pulley grooves; the annular guide rail is arranged on the wall surface of the inner side of the square groove; the annular gear is arranged at the lower end of the inner side of the square groove through the matching of the annular guide groove and the annular guide rail; one ends of the three second rotating shafts are respectively arranged on the wall surface of the inner side of the square groove; the three fifth gears are respectively arranged on the three second rotating shafts; the three fifth gears are all meshed with the inner teeth of the ring gear; the other ends of the three second rotating shafts are respectively connected with the three first supporting shafts through flexible shafts; one end of the seventh rotating shaft is arranged on the wall surface of the inner side of the square groove; the first gear is arranged on the seventh rotating shaft; the first gear is meshed with the external teeth of the ring gear; one end of the first rotating shaft is arranged in a circular hole on the inner side wall surface of the square groove; the side surface of one end of the telescopic outer sleeve is arranged at the other end of the first rotating shaft; one end of the telescopic inner rod is arranged at the inner side of the telescopic outer sleeve; a first spring is arranged between the telescopic inner rod and the telescopic outer sleeve; one end of the third rotating shaft is arranged on the side surface of the other end of the telescopic inner rod; the third gear is arranged on the third rotating shaft; the third gear is matched with the first gear; a volute spiral spring is arranged between the first rotating shaft and the inner side wall surface of the square groove; the two eighth rotating shafts are respectively arranged on the wall surface of the inner side of the square groove; the two second gears are respectively arranged on the two eighth rotating shafts; the two second gears are meshed with the third gear; the sixth rotating shaft is arranged on the wall surface of the inner side of the square groove through a fixed support; the sixth gear is arranged on the sixth rotating shaft; the sixth gear is meshed with the external teeth of the ring gear; one end of the fifth rotating shaft is arranged on the wall surface of the inner side of the square groove through a fixed support; the other end of the fifth rotating shaft is provided with a fourth gear; the fourth gear is meshed with the sixth gear; the eighth gear is arranged at the other end of the third rotating shaft; one end of the ninth rotating shaft is arranged on the wall surface of the inner side of the square groove; the other end of the ninth rotating shaft is provided with a seventh gear; the seventh gear is meshed with the eighth gear; the fifth rotating shaft is connected with one end of the ninth rotating shaft, which is provided with a seventh gear, through a flexible shaft; two racks of the flexible shaft are respectively arranged on the mounting block through rack holes; the two racks are respectively meshed with the two second gears; two driving plates are respectively arranged on the two racks and are respectively positioned on two sides of the mounting block; two guide rods are arranged on each of the two driving plates, and the four guide rods respectively penetrate through the four guide holes; a plurality of tooth sockets are uniformly arranged on the circumferential direction of the outer circular surface of the gear shell; the mounting structure in each tooth socket is completely the same, and any one of the tooth sockets is replaced by the corresponding tooth socket; two guide grooves are symmetrically formed in two sides of the tooth socket; two guide blocks are symmetrically arranged on two sides of the tooth; the teeth are arranged in the tooth sockets through the matching of the two guide blocks and the guide grooves; the weight is arranged on the inner side of the tooth socket; a second spring is arranged between the weight block and the teeth; when an earthquake occurs; if the ground positioned at the outer sides of the two driving plates is cracked; the soil can drive the two driving plates to move in the same direction; the two driving plates can drive the two racks to move towards the same direction when moving; the two racks move to drive the two second gear wheels to rotate, and the rotating directions of the two second gear wheels are the same; the moving speeds of the two driving plates are the same, so that the rotating speeds of the two second rotating shafts are also the same; at the moment, the two second gears rotate to drive the third gear to rotate; the third gear rotates to drive the third rotating shaft to rotate; the third rotating shaft rotates to drive the eighth gear to rotate; the eighth gear rotates to drive the seventh gear to rotate; the seventh gear rotates to drive the ninth rotating shaft to rotate; the ninth rotating shaft rotates to drive the fifth rotating shaft to rotate; the fifth rotating shaft rotates to drive the fourth gear to rotate; the fourth gear rotates to drive the sixth gear to rotate; the sixth gear rotates to drive the ring gear to rotate; the ring gear rotates to drive the three fifth gears to rotate; the three fifth gears rotate to drive the three second rotating shafts to rotate; the three second rotating shafts rotate to drive the three first supporting shafts to rotate; the three first supporting shafts rotate to drive the three pulleys to rotate; the three pulleys can move out of the square groove by rotating and move towards the ground fracture direction; when the three pulleys move to the position close to the ground fracture; the three arc-shaped telescopic supports play a role in supporting the pipeline; the weight blocks at the ground fracture part are prevented from falling off to damage the pipeline; thereby protecting the pipeline; when an earthquake occurs; if the ground between the two driving plates is cracked; the soil can drive the two driving plates to move in opposite directions; the two driving plates can drive the two racks to move in opposite directions when moving; the two racks move to drive the second gear to rotate, and the rotating directions of the two second gears are opposite; if the moving speeds of the two second driving plates are the same, namely the rotating speeds of the two second gears are the same; at the moment, the two second gears transmit the same rotating speed to the third gear, but the rotating directions are opposite; this causes the third gear to chip; so that the pulley cannot move; at the moment, if the weight falls off at the ground fracture part; the weight block compresses the three arc-shaped telescopic supports; when the three arc-shaped telescopic supports are compressed to the extreme state, the three arc-shaped telescopic supports are compressed to the extreme state; the three pulleys are just flush with the inner circle surface of the pipeline; at the moment, the three arc-shaped telescopic supports play a role in supporting the pipeline; the weight blocks at the ground fracture part are prevented from falling off to damage the pipeline; thereby protecting the pipeline; if the moving speeds of the two second driving plates are different, namely the rotating speeds of the two second gears are different; at the moment, the rotating speeds transmitted by the two second gears to the third gear are different, and the rotating directions are opposite; the weight inside the second gear can extrude the second spring under the centrifugal action; so that the second spring exerts a pressure on the teeth; because the rotating speeds of the two second gears are different, the pressures borne by the teeth on the two second gears are different; therefore, the third gear can be driven by the second gear with high rotating speed to rotate; and the other second gear will press the third gear; oscillating the third gear about the first axis of rotation; the third gear is meshed with the first gear in the swinging process of the third gear; the third gear rotates under the driving of the second gear with high rotating speed; the third gear rotates to drive the ring gear to rotate; the shape gear rotates to drive the three fifth gears to rotate; the three fifth gears rotate to drive the three second rotating shafts to rotate; the three second rotating shafts rotate to drive the three first supporting shafts to rotate; the three first supporting shafts rotate to drive the three pulleys to rotate; the three pulleys can move out of the square groove by rotating and move towards the moving direction of the driving plate of the moving speed block in the two driving plates; the pulley has the function of ensuring that the pulley is always adapted to the broken width of the ground; the first spring is used for ensuring that the third gear and the two second gears are always in a meshed state in an initial state; the elasticity of the second spring is larger than the sum of the elasticity of the first spring and the spiral spring; the function of the gear shifting mechanism is to ensure that the rotating speeds of the two second gears are different; the second gear with low rotation speed can smoothly swing the third gear and is always in a meshed state with the first gear. The arc-shaped surface on the square groove has the function of ensuring that the pulley can smoothly move out of the square groove. The arc-shaped surface of the arc-shaped telescopic support is used for reducing the resistance of liquid or gas on the inner side of the pipeline in the flowing process; so that the liquid or gas inside the pipe can flow smoothly.
When people use the pipeline designed by the invention; when an earthquake occurs; if the ground positioned at the outer sides of the two driving plates is cracked; the soil can drive the two driving plates to move in the same direction; the two driving plates can drive the two racks to move towards the same direction when moving; the two racks move to drive the two second gear wheels to rotate, and the rotating directions of the two second gear wheels are the same; the moving speeds of the two driving plates are the same, so that the rotating speeds of the two second rotating shafts are also the same; at the moment, the two second gears rotate to drive the third gear to rotate; the third gear rotates to drive the third rotating shaft to rotate; the third rotating shaft rotates to drive the eighth gear to rotate; the eighth gear rotates to drive the seventh gear to rotate; the seventh gear rotates to drive the ninth rotating shaft to rotate; the ninth rotating shaft rotates to drive the fifth rotating shaft to rotate; the fifth rotating shaft rotates to drive the fourth gear to rotate; the fourth gear rotates to drive the sixth gear to rotate; the sixth gear rotates to drive the ring gear to rotate; the ring gear rotates to drive the three fifth gears to rotate; the three fifth gears rotate to drive the three second rotating shafts to rotate; the three second rotating shafts rotate to drive the three first supporting shafts to rotate; the three first supporting shafts rotate to drive the three pulleys to rotate; the three pulleys can move out of the square groove by rotating and move towards the ground fracture direction; when the three pulleys move to the position close to the ground fracture; the three arc-shaped telescopic supports play a role in supporting the pipeline; the weight blocks at the ground fracture part are prevented from falling off to damage the pipeline; thereby protecting the pipeline.
Drawings
Fig. 1 is an external view of an entire part.
Fig. 2 is a schematic view of the piping unit structure.
Fig. 3 is a schematic view of a piping structure.
Fig. 4 is a schematic view of the support mechanism installation.
Fig. 5 is a schematic structural view of the support mechanism.
Fig. 6 is a schematic view of a pulley installation.
Fig. 7 is a schematic view of the transmission installation.
Fig. 8 is a schematic view of a mounting block structure.
Fig. 9 is a schematic diagram of the transmission mechanism.
Fig. 10 is a schematic view of a rack structure.
FIG. 11 is a third gear mounting schematic.
Fig. 12 is a schematic view of a ring gear structure.
FIG. 13 is a fourth gear mounting schematic.
Fig. 14 is a second gear mounting schematic.
Fig. 15 is a schematic view of the second gear and the third gear in cooperation.
Fig. 16 is a schematic view of a second gear structure.
Fig. 17 is a schematic view of a gear case structure.
Fig. 18 is a schematic view of a tooth structure.
Fig. 19 is a schematic view of the rack operating principle.
Fig. 20 is a schematic view of the second gear operating principle.
Fig. 21 is a schematic view of the third gear operating principle.
Figure 22 is a schematic view of the principle of operation of the pulley.
Number designation in the figures: 1. a piping unit; 2. a support mechanism; 3. a transmission mechanism; 4. a pipeline; 5. a pulley groove; 6. a pulley; 7. an arc-shaped telescopic support; 8. connecting the support lug; 9. a first support shaft; 10. a ring gear; 11. a first gear; 12. a second gear; 13. mounting blocks; 14. a guide bar; 15. a rack; 16. a drive plate; 17. a rack hole; 18. a guide hole; 19. a square groove; 20. a third gear; 21. a fourth gear; 22. a telescopic outer sleeve; 23. a telescopic inner rod; 24. a first spring; 25. a first rotating shaft; 26. a volute spiral spring; 27. a second rotating shaft; 28. a fifth gear; 29. a third rotating shaft; 30. fixing and supporting; 31. a ninth rotating shaft; 32. a seventh gear; 33. a fifth rotating shaft; 34. a sixth rotating shaft; 35. a sixth gear; 36. teeth; 37. a second spring; 38. a weight block; 39. a gear housing; 40. a tooth socket; 41. a guide groove; 42. a guide block; 43. an annular guide rail; 44. an annular guide groove; 45. a seventh rotating shaft; 46. an eighth rotating shaft; 47. and an eighth gear.
Detailed Description
As shown in fig. 1, it is composed of a plurality of piping units 1, for any one of the piping units 1; as shown in fig. 2, it comprises a supporting mechanism 2, a transmission mechanism 3, a pipeline 4 and pulley grooves 5, wherein as shown in fig. 3, the inner circular surface of one end of the pipeline 4 is provided with three pulley grooves 5 which are uniformly distributed in the circumferential direction; both sides of each pulley groove 5 are provided with an arc-shaped surface; as shown in fig. 4, the support mechanism 2 is installed inside the pipe 4 and is engaged with the pulley groove 5; as shown in fig. 2, the transmission mechanism 3 is installed on the outer circumferential surface of the pipe 4.
As shown in fig. 5, the support mechanism 2 includes a pulley 6, an arc-shaped telescopic support 7, a connecting lug 8, and a first support shaft 9, wherein as shown in fig. 6, the first support shaft 9 is mounted on the connecting lug 8; the three pulleys 6 are respectively arranged on the three first supporting shafts 9; as shown in fig. 5, three first support shafts 9 are respectively installed inside the pipeline 4 through three arc-shaped telescopic supports 7, and three pulleys 6 are respectively located in the three pulley grooves 5; the junction of the three arc-shaped telescopic supports 7 is positioned on the central axis of the pipeline 4.
As shown in fig. 7, the transmission mechanism 3 includes a ring gear 10, a first gear 11, a second gear 12, a mounting block 13, a guide rod 14, a rack 15, a driving plate 16, a rack hole 17, a guide hole 18, a square groove 19, a third gear 20, a fourth gear 21, a telescopic outer sleeve 22, a telescopic inner rod 23, a first spring 24, a first rotating shaft 25, a volute spring 26, a second rotating shaft 27, an annular guide groove 44, an annular guide rail 43, a fifth gear 28, an eighth rotating shaft 46, a third rotating shaft 29, a fixed support 30, a ninth rotating shaft 31, a seventh gear 32, an eighth gear 47, a fifth rotating shaft 33, a sixth rotating shaft 34, a seventh rotating shaft 45, and a sixth gear 35, wherein as shown in fig. 8, the inside of the mounting block 13 is opened with the square groove 19; two rack holes 17 are formed in the wall surfaces of two sides of the upper end of the square groove 19, and the four rack holes 17 are symmetrical in pairs; the mounting block 13 is provided with four through guide holes 18, and the four guide holes 18 are all positioned on the upper side of the square groove 19; as shown in fig. 9, the annular guide rail 43 is mounted on the wall surface inside the square groove 19; as shown in fig. 12, one end of the ring gear 10 is opened with an annular guide groove 44; the ring gear 10 is arranged at the lower end of the inner side of the square groove 19 through the matching of the ring-shaped guide groove 44 and the ring-shaped guide rail 43; as shown in fig. 12, one ends of the three second rotating shafts 27 are respectively installed on the wall surface inside the square groove 19, and the three second rotating shafts 27 are circumferentially and uniformly distributed inside the ring gear 10; three fifth gears 28 are respectively mounted on the three second rotating shafts 27; the three fifth gears 28 are all in internal tooth engagement with the ring gear 10; the other ends of the three second rotating shafts 27 are respectively connected with the three first supporting shafts 9 through flexible shafts; as shown in fig. 14, one end of the seventh rotating shaft 45 is mounted on the wall surface inside the square groove 19; the first gear 11 is mounted on the seventh rotating shaft 45; the first gear 11 is externally toothed with the ring gear 10; as shown in fig. 11, one end of the first rotating shaft 25 is installed in a circular hole on the inner side wall surface of the square groove 19; the side surface of one end of the telescopic outer sleeve is arranged at the other end of the first rotating shaft; one end of the telescopic inner rod is arranged at the inner side of the telescopic outer sleeve; a first spring is arranged between the telescopic inner rod and the telescopic outer sleeve; one end of the third rotating shaft is arranged on the side surface of the other end of the telescopic inner rod; the third gear 20 is mounted on one end of the third rotating shaft 29; as shown in fig. 15, the third gear 20 is engaged with the first gear 11; a volute spiral spring 26 is arranged between the first rotating shaft 25 and the inner side wall surface of the square groove 19; the inner end of the spiral spring 26 is mounted on the first rotating shaft 25; the outer end of the scroll spring 26 is arranged on the inner side wall surface of the square groove 19; as shown in fig. 9, two eighth rotating shafts 46 are respectively installed on the wall surfaces inside the square groove 19; the two second gears 12 are respectively mounted on the two eighth rotating shafts 46; the two second gears 12 are both meshed with the third gear 20, and the two second gears 12 are respectively positioned at two ends of the third gear 20; as shown in fig. 13, the sixth rotating shaft 34 is mounted on the wall surface inside the square groove 19 through the fixing support 30; the sixth gear 35 is mounted on the sixth rotating shaft 34; the sixth gear 35 is engaged with the outer teeth of the ring gear 10; the sixth gear 35 and the first gear 11 are respectively positioned at two ends of the ring gear 10; one end of the fifth rotating shaft 33 is installed on the wall surface of the inner side of the square groove 19 through the fixed support 30; the other end of the fifth rotating shaft 33 is provided with a fourth gear 21; the fourth gear 21 meshes with the sixth gear 35; an eighth gear 47 is installed at the other end of the third rotating shaft 29; one end of the ninth rotating shaft 31 is installed on the wall surface of the inner side of the square groove; the other end of the ninth rotating shaft 31 is provided with a seventh gear 32; the seventh gear 32 meshes with the eighth gear 47; the fifth rotating shaft 33 is connected with one end of the ninth rotating shaft 31, which is provided with a seventh gear 32, through a flexible shaft; as shown in fig. 10, two racks 15 are respectively mounted on the mounting block 13 through rack holes 17; the two racks 15 are respectively meshed with the two second gears 12; a driving plate 16 is mounted on each of the two racks 15, and the two driving plates 16 on the two racks 15 are respectively located at two sides of the mounting block 13; two guide rods 14 are mounted on each of the two drive plates 16, as shown in fig. 7, and the four guide rods 14 pass through four guide holes 18, respectively.
As shown in fig. 16, the second gear 12 includes teeth 36, a second spring 37, a weight 38, a gear housing 39, tooth sockets 40, a guide groove 41, and a guide block 42, wherein as shown in fig. 17, a plurality of tooth sockets 40 are uniformly formed on an outer circumferential surface of the gear housing 39 in a circumferential direction; the mounting structure within each socket 40 is identical, for either; two guide grooves 41 are symmetrically formed on two sides of the tooth socket 40; two guide blocks 42 are symmetrically arranged on two sides of the tooth 36; the teeth 36 are arranged in the tooth socket 40 through the matching of the two guide blocks 42 and the guide groove 41; the weight 38 is mounted inside the alveolus 40; as shown in fig. 18, a second spring 37 is installed between the weight 38 and the teeth 36; the elastic force of the second spring 37 is greater than the sum of the elastic forces of the first spring 24 and the spiral spring 26.
When the three arc-shaped telescopic supports 7 are compressed to the limit state; the three pulleys 6 are exactly flush with the inner circular surface of the pipe 4. The function of the telescopic device is to ensure that the three arc-shaped telescopic supports 7 are compressed to the limit state; the pipeline 4 can be supported by three pulleys 6 and three arc-shaped telescopic supports 7.
In summary, the following steps:
the first spring 24 is an extension spring.
The number of the pulleys 6, the arc-shaped telescopic supports 7, the connecting lugs 8, the first supporting shaft 9, the square grooves 19, the second rotating shaft 27 and the fifth gears 28 is four or five.
The second spring 37 is a compression spring.
The pipeline 4 designed by the invention can prevent the pipeline 4 from being damaged by self adjustment when being impacted.
Three pulleys 6 are respectively arranged on three first supporting shafts 9; the three first supporting shafts 9 are respectively arranged on the inner side of the pipeline 4 through three arc-shaped telescopic supports 7, and the three pulleys 6 are respectively positioned in the three pulley grooves 5; the annular guide rail 43 is mounted on the wall surface inside the square groove 19; the ring gear 10 is arranged at the lower end of the inner side of the square groove 19 through the matching of the ring-shaped guide groove 44 and the ring-shaped guide rail 43; one ends of the three second rotating shafts 27 are respectively installed on the wall surface of the inner side of the square groove 19; three fifth gears 28 are respectively mounted on the three second rotating shafts 27; the three fifth gears 28 are all in internal tooth engagement with the ring gear 10; the other ends of the three second rotating shafts 27 are respectively connected with the three first supporting shafts 9 through flexible shafts; one end of the seventh rotating shaft 45 is mounted on the wall surface of the inner side of the square groove 19; the first gear 11 is mounted on the seventh rotating shaft 45; the first gear 11 is externally toothed with the ring gear 10; one end of the first rotating shaft 25 is arranged in a circular hole on the inner side wall surface of the square groove 19; the side surface of one end of the telescopic outer sleeve 22 is arranged at the other end of the first rotating shaft 25; one end of the telescopic inner rod 23 is arranged at the inner side of the telescopic outer sleeve 22; a first spring 24 is arranged between the telescopic inner rod 23 and the telescopic outer sleeve 22; one end of the third rotating shaft 29 is installed on the side surface of the other end of the telescopic inner rod 23; the third gear 20 is mounted on a third shaft 29; the third gear 20 cooperates with the first gear 11; a volute spiral spring 26 is arranged between the first rotating shaft 25 and the inner side wall surface of the square groove 19; the two eighth rotating shafts 46 are respectively installed on the wall surface of the inner side of the square groove 19; the two second gears 12 are respectively mounted on the two eighth rotating shafts 46; both second gears 12 are meshed with a third gear 20; the sixth rotating shaft 34 is mounted on the wall surface of the inner side of the square groove 19 through the fixed support 30; the sixth gear 35 is mounted on the sixth rotating shaft 34; the sixth gear 35 is engaged with the outer teeth of the ring gear 10; one end of the fifth rotating shaft 33 is installed on the wall surface of the inner side of the square groove 19 through the fixed support 30; the other end of the fifth rotating shaft 33 is provided with a fourth gear 21; the fourth gear 21 meshes with the sixth gear 35; an eighth gear 47 is installed at the other end of the third rotating shaft 29; one end of the ninth rotating shaft 31 is installed on the wall surface of the inner side of the square groove; the other end of the ninth rotating shaft 31 is provided with a seventh gear 32; the seventh gear 32 meshes with the eighth gear 47; the fifth rotating shaft 33 is connected with one end of the ninth rotating shaft 31, which is provided with a seventh gear 32, through a flexible shaft; the two racks 15 are respectively arranged on the mounting block 13 through rack holes 17; the two racks 15 are respectively meshed with the two second gears 12; a driving plate 16 is mounted on each of the two racks 15, and the two driving plates 16 on the two racks 15 are respectively located at two sides of the mounting block 13; two guide rods 14 are mounted on each of the two drive plates 16, and the four guide rods 14 respectively pass through the four guide holes 18; a plurality of tooth sockets 40 are uniformly arranged on the circumferential direction of the outer circular surface of the gear shell 39; the mounting structure within each socket 40 is identical, for either; two guide grooves 41 are symmetrically formed on two sides of the tooth socket 40; two guide blocks 42 are symmetrically arranged on two sides of the tooth 36; the teeth 36 are arranged in the tooth socket 40 through the matching of the two guide blocks 42 and the guide groove 41; the weight 38 is mounted inside the alveolus 40; a second spring 37 is arranged between the weight 38 and the teeth 36; as shown in a in fig. 19, when an earthquake occurs; if a ground surface located outside of both drive plates 16 is cracked; the soil will drive the two driving plates 16 to move in the same direction; the two driving plates 16 move to drive the two racks 15 to move in the same direction; the two racks 15 move to drive the two second gears 12 to rotate, and the rotating directions of the two second gears 12 are the same; since the moving speeds of the two driving plates 16 are the same, the rotating speeds of the two second rotating shafts 27 are also the same; at this time, the rotation of the two second gears 12 drives the third gear 20 to rotate; the third year gear rotates to drive the third rotating shaft 29 to rotate; as shown in a in fig. 21, the third rotating shaft 29 rotates to drive the eighth gear 47 to rotate; the eighth gear 47 rotates to drive the seventh gear 32 to rotate; the seventh gear 32 rotates to drive the ninth rotating shaft 31 to rotate; the ninth rotating shaft 31 rotates to drive the fifth rotating shaft 33 to rotate; the fifth rotating shaft 33 rotates to drive the fourth gear to rotate 21; the fourth gear 21 rotates to drive the sixth gear 35 to rotate; the sixth gear 35 rotates to drive the ring gear 10 to rotate; the ring gear 10 rotates to drive the three fifth gears 28 to rotate; the three fifth gears 28 rotate to drive the three second rotating shafts 27 to rotate; the three second rotating shafts 27 rotate to drive the three first supporting shafts 9 to rotate; as shown in a in fig. 22, the three first supporting shafts 9 rotate to drive the three pulleys 6 to rotate; the three pulleys 6 are rotated to enable the three pulleys 6 to move out of the square groove 19 and move towards the ground fracture direction; when the three pulleys 6 move close to the ground fracture; the pipeline 4 is supported by the three arc-shaped telescopic supports 7; the pipeline 4 is prevented from being damaged by the falling of the weight 38 at the ground fracture; thereby protecting the pipeline 4; as shown in b in fig. 19, when an earthquake occurs; if a ground crack occurs between the two drive plates 16; the soil will drive the two drive plates 16 to move in opposite directions; the two driving plates 16 move to drive the two racks 15 to move in opposite directions; the two racks 15 move to drive the second gear 12 to rotate, and the rotating directions of the two second gears 12 are opposite; as shown in a of fig. 20, if the moving speeds of the two second driving plates 16 are the same, that is, the rotating speeds of the two second gears 12 are the same; the two second gears 12 transmit the same rotation speed to the third gear 20, but the rotation directions are opposite; this causes the third gear 20 to be chipped; and the pulley 6 will not move; if the weight 38 falls off at the ground fracture part; the weight 38 will compress the three arc-shaped telescopic supports 7; when the three arc-shaped telescopic supports 7 are compressed to the limit state, the three arc-shaped telescopic supports 7 are compressed to the limit state; the three pulleys 6 are just flush with the inner circle surface of the pipeline 4; at the moment, the three arc-shaped telescopic supports 7 play a supporting role on the pipeline 4; the pipeline 4 is prevented from being damaged by the falling of the weight 38 at the ground fracture; thereby protecting the pipeline 4; as shown in b of fig. 20, if the moving speeds of the two second driving plates 16 are different, that is, the rotational speeds of the two second gears 12 are different; the two second gears 12 transmit different rotation speeds to the third gear 20 at the same time, and the rotation directions are opposite; while the weight 38 inside the second gear wheel 12 will press the second spring 37 under centrifugal action; so that the second spring 37 gives a pressure to the tooth 36; because the two second gears 12 rotate at different speeds, the teeth 36 on the two second gears 12 are subjected to different pressures; this causes the third gear 20 to rotate under the action of the second gear 12 with a fast rotational speed; and the other second gear 12 presses the third gear 20; causing third gear 20 to oscillate about first axis of rotation 25; the third gear 20 will mesh with the first gear 11 during the oscillation of the third gear 20; as shown in b of fig. 21, the third gear 20 is rotated by the second gear 12 having a fast rotational speed; the third gear 20 rotates to drive the ring gear 10 to rotate; the three fifth gears 28 are driven to rotate by the rotation of the gear; the three fifth gears 28 rotate to drive the three second rotating shafts 27 to rotate; the three second rotating shafts 27 rotate to drive the three first supporting shafts 9 to rotate; as shown in b of fig. 22, the three first supporting shafts 9 rotate to drive the three pulleys 6 to rotate; the three pulleys 6 are rotated to enable the three pulleys 6 to move out of the square groove 19 and move towards the moving direction of the driving plate 16 of the two driving plates 16; the function of the pulley is to ensure that the pulley 6 is always adapted to the width of ground fracture; the first spring 24 of the present invention is used to ensure that the third gear 20 and the two second gears 12 are always engaged in the initial state; the elasticity of the second spring 37 is larger than the sum of the elasticity of the first spring 24 and the spiral spring 26; the function of the gear transmission mechanism is to ensure that the two second gears 12 have different rotating speeds; the second gear 12 having a slow rotation speed can smoothly swing the third gear 20, and is always in a meshed state with the first gear 11. The arc-shaped surface on the square groove 19 of the invention has the function of ensuring that the pulley 6 can smoothly move out of the square groove 19. The arc-shaped surface of the arc-shaped telescopic support 7 designed by the invention has the function of reducing the resistance of liquid or gas inside the pipeline 4 in the flowing process; so that the liquid or gas inside the pipe 4 can flow smoothly.
The specific implementation mode is as follows: when one uses the pipe 4 designed according to the invention; when an earthquake occurs; if a ground surface located outside of both drive plates 16 is cracked; the soil will drive the two driving plates 16 to move in the same direction; the two driving plates 16 move to drive the two racks 15 to move in the same direction; the two racks 15 move to drive the two second gears 12 to rotate, and the rotating directions of the two second gears 12 are the same; since the moving speeds of the two driving plates 16 are the same, the rotating speeds of the two second rotating shafts 27 are also the same; at this time, the rotation of the two second gears 12 drives the third gear 20 to rotate; the third year gear rotates to drive the third rotating shaft 29 to rotate; the third rotating shaft 29 rotates to drive the eighth gear 47 to rotate; the eighth gear 47 rotates to drive the seventh gear 32 to rotate; the seventh gear 32 rotates to drive the ninth rotating shaft 31 to rotate; the ninth rotating shaft 31 rotates to drive the fifth rotating shaft 33 to rotate; the fifth rotating shaft 33 rotates to drive the fourth gear to rotate 21; the fourth gear 21 rotates to drive the sixth gear 35 to rotate; the sixth gear 35 rotates to drive the ring gear 10 to rotate; the ring gear 10 rotates to drive the three fifth gears 28 to rotate; the three fifth gears 28 rotate to drive the three second rotating shafts 27 to rotate; the three second rotating shafts 27 rotate to drive the three first supporting shafts 9 to rotate; the three first supporting shafts 9 rotate to drive the three pulleys 6 to rotate; the three pulleys 6 are rotated to enable the three pulleys 6 to move out of the square groove 19 and move towards the ground fracture direction; when the three pulleys 6 move close to the ground fracture; the pipeline 4 is supported by the three arc-shaped telescopic supports 7; the pipeline 4 is prevented from being damaged by the falling of the weight 38 at the ground fracture; thereby protecting the pipe 4.
Claims (2)
1. The utility model provides a prevent pounding bad pipeline that municipal works were used which characterized in that: the pipeline unit is composed of a plurality of pipeline units, wherein any one pipeline unit is; the pipeline comprises a supporting mechanism, a transmission mechanism, a pipeline and pulley grooves, wherein the inner circular surface at one end of the pipeline is provided with three pulley grooves which are uniformly distributed in the circumferential direction; both sides of each pulley groove are provided with an arc-shaped surface; the supporting mechanism is arranged on the inner side of the pipeline and matched with the pulley groove; the transmission mechanism is arranged on the outer circular surface of the pipeline;
the support mechanism comprises a pulley, an arc-shaped telescopic support, a connecting support lug and a first support shaft, wherein the first support shaft is arranged on the connecting support lug; the three pulleys are respectively arranged on the three first supporting shafts; the three first support shafts are respectively arranged on the inner side of the pipeline through three arc-shaped telescopic supports, and the three pulleys are respectively positioned in the three pulley grooves; the joint of the three arc-shaped telescopic supports is positioned on the central axis of the pipeline;
the transmission mechanism comprises a ring gear, a first gear, a second gear, an installation block, a guide rod, a rack, a drive plate, a rack hole, a guide hole, a square groove, a third gear, a fourth gear, a first rotating shaft, a volute spring, a second rotating shaft, an annular guide groove, an annular guide rail, a fifth gear, an eighth rotating shaft, a third rotating shaft, a fixed support, a ninth rotating shaft, a seventh gear, an eighth gear, a fifth rotating shaft, a sixth rotating shaft, a seventh rotating shaft and a sixth gear, wherein the inner side of the installation block is provided with the square groove; two rack holes are formed in the wall surfaces of the two sides of the upper end of the square groove, and the four rack holes are symmetrical in pairs; the mounting block is provided with four through guide holes which are all positioned at the upper side of the square groove; the annular guide rail is arranged on the wall surface of the inner side of the square groove; one end of the ring gear is provided with a ring-shaped guide groove; the annular gear is arranged at the lower end of the inner side of the square groove through the matching of the annular guide groove and the annular guide rail; one ends of the three second rotating shafts are respectively arranged on the wall surface of the inner side of the square groove, and the three second rotating shafts are circumferentially and uniformly distributed on the inner side of the ring gear; the three fifth gears are respectively arranged on the three second rotating shafts; the three fifth gears are all meshed with the inner teeth of the ring gear; the other ends of the three second rotating shafts are respectively connected with the three first supporting shafts through flexible shafts; one end of the seventh rotating shaft is arranged on the wall surface of the inner side of the square groove; the first gear is arranged on the seventh rotating shaft; the first gear is meshed with the external teeth of the ring gear; one end of the first rotating shaft is arranged in a circular hole on the inner side wall surface of the square groove; the side surface of one end of the elastic connecting rod is arranged at the other end of the first rotating shaft; one end of the third rotating shaft is arranged on the side surface of the other end of the elastic connecting rod; the third gear is arranged at one end of the third rotating shaft; the third gear is matched with the first gear; a volute spiral spring is arranged between the first rotating shaft and the inner side wall surface of the square groove; the inner end of the scroll spring is arranged on the first rotating shaft; the outer end of the volute spiral spring is arranged on the inner side wall surface of the square groove; the two eighth rotating shafts are respectively arranged on the wall surface of the inner side of the square groove; the two second gears are respectively arranged on the two eighth rotating shafts; the two second gears are meshed with the third gear, and the two second gears are respectively positioned at two ends of the third gear; the sixth rotating shaft is arranged on the wall surface of the inner side of the square groove through a fixed support; the sixth gear is arranged on the sixth rotating shaft; the sixth gear is meshed with the external teeth of the ring gear; the sixth gear and the first gear are respectively positioned at two ends of the ring gear; one end of the fifth rotating shaft is arranged on the wall surface of the inner side of the square groove through a fixed support; the other end of the fifth rotating shaft is provided with a fourth gear; the fourth gear is meshed with the sixth gear; the eighth gear is arranged at the other end of the third rotating shaft; one end of the ninth rotating shaft is arranged on the wall surface of the inner side of the square groove; the other end of the ninth rotating shaft is provided with a seventh gear; the seventh gear is meshed with the eighth gear; the fifth rotating shaft is connected with one end of the ninth rotating shaft, which is provided with a seventh gear, through a flexible shaft; the two racks are respectively arranged on the mounting block through rack holes; the two racks are respectively meshed with the two second gears; two driving plates are respectively arranged on the two racks and are respectively positioned on two sides of the mounting block; two guide rods are arranged on each of the two driving plates, and the four guide rods respectively penetrate through the four guide holes;
the second gear comprises teeth, a second spring, a weight, a gear shell, tooth sockets, a guide groove and a guide block, wherein a plurality of tooth sockets are uniformly formed on the circumferential direction of the outer circular surface of the gear shell; the mounting structure in each tooth socket is completely the same, and any one of the tooth sockets is replaced by the corresponding tooth socket; two guide grooves are symmetrically formed in two sides of the tooth socket; two guide blocks are symmetrically arranged on two sides of the tooth; the teeth are arranged in the tooth sockets through the matching of the two guide blocks and the guide grooves; the weight is arranged on the inner side of the tooth socket; a second spring is arranged between the weight block and the teeth; the elastic force of the second spring is greater than the sum of the elastic forces of the first spring and the spiral spring;
when the three arc-shaped telescopic supports are compressed to the limit state; the three pulleys are just flush with the inner circle surface of the pipeline;
the arc-shaped telescopic support is provided with an arc-shaped surface;
the first spring is an extension spring;
the second spring is a compression spring;
when an earthquake occurs, if the ground positioned at the outer sides of the two driving plates is cracked, the soil can drive the two driving plates to move towards the same direction;
when an earthquake occurs, if the ground between the two driving plates is cracked, the soil can drive the two driving plates to move in opposite directions.
2. The anti-smashing pipeline for municipal engineering according to claim 1, wherein: the number of the pulleys, the arc-shaped telescopic supports, the connecting lugs, the first supporting shaft, the square grooves, the second rotating shaft and the fifth gears is four or five.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911098611.3A CN110792876B (en) | 2017-08-25 | 2017-08-25 | Municipal works are used prevent pounding bad pipeline |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911098611.3A CN110792876B (en) | 2017-08-25 | 2017-08-25 | Municipal works are used prevent pounding bad pipeline |
| CN201710741794.0A CN107524885B (en) | 2017-08-25 | 2017-08-25 | A kind of municipal works are using preventing the pipeline smashed |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710741794.0A Division CN107524885B (en) | 2017-08-25 | 2017-08-25 | A kind of municipal works are using preventing the pipeline smashed |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110792876A true CN110792876A (en) | 2020-02-14 |
| CN110792876B CN110792876B (en) | 2021-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911098611.3A Active CN110792876B (en) | 2017-08-25 | 2017-08-25 | Municipal works are used prevent pounding bad pipeline |
| CN201710741794.0A Active CN107524885B (en) | 2017-08-25 | 2017-08-25 | A kind of municipal works are using preventing the pipeline smashed |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710741794.0A Active CN107524885B (en) | 2017-08-25 | 2017-08-25 | A kind of municipal works are using preventing the pipeline smashed |
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| Country | Link |
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| CN (2) | CN110792876B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112304793A (en) * | 2020-11-26 | 2021-02-02 | 山东省水利工程试验中心有限公司 | Hydraulic engineering is with small-size portable concrete intensity detection device |
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| CN201193781Y (en) * | 2008-08-04 | 2009-02-11 | 上海华理安全装备有限公司 | Inverted arch slit type bursting disc safety installation |
| CN103672297B (en) * | 2013-12-18 | 2015-12-09 | 西南石油大学 | A kind of non-excavating underground pipe line protective gear |
| CN104352094B (en) * | 2014-11-10 | 2016-11-23 | 广东泰明金属制品有限公司 | Gear mechanism for slide rail |
| CN205639908U (en) * | 2016-04-18 | 2016-10-12 | 台州市正禹建设有限公司 | A drain pipe for municipal works |
| CN106828638B (en) * | 2017-02-09 | 2019-08-27 | 绍兴市亿跃智能科技有限公司 | A kind of antiwind crawler driving whell with trigger mechanism |
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| GB1314130A (en) * | 1971-10-29 | 1973-04-18 | Global Marine Inc | Thread protector for threaded pipe section ends or the like |
| GB2348220A (en) * | 1999-02-06 | 2000-09-27 | Tracto Technik | Earth-boring apparatus having an air supply hose with a corset. |
| CN201636450U (en) * | 2010-03-11 | 2010-11-17 | 刘广建 | Special composite gas pipe |
| CN105953027A (en) * | 2016-03-15 | 2016-09-21 | 东北电力大学 | Flexible shaft driven mini type pipe robot |
| CN205424118U (en) * | 2016-04-01 | 2016-08-03 | 信阳职业技术学院 | Adjustable high concrete duct fixing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112304793A (en) * | 2020-11-26 | 2021-02-02 | 山东省水利工程试验中心有限公司 | Hydraulic engineering is with small-size portable concrete intensity detection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107524885B (en) | 2019-12-03 |
| CN110792876B (en) | 2021-03-19 |
| CN107524885A (en) | 2017-12-29 |
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Denomination of invention: A kind of pipe used in municipal engineering to prevent damage Effective date of registration: 20221123 Granted publication date: 20210319 Pledgee: Zhejiang Tailong Commercial Bank Co.,Ltd. Hangzhou Fuyang sub branch Pledgor: HANGZHOU FUYANG HONGXIANG TECHNOLOGY SERVICES Co.,Ltd. Registration number: Y2022980022894 |
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Date of cancellation: 20230713 Granted publication date: 20210319 Pledgee: Zhejiang Tailong Commercial Bank Co.,Ltd. Hangzhou Fuyang sub branch Pledgor: HANGZHOU FUYANG HONGXIANG TECHNOLOGY SERVICES Co.,Ltd. Registration number: Y2022980022894 |
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