CN112609797B - Laying and installing method for municipal sewage treatment water supply and drainage pipeline - Google Patents
Laying and installing method for municipal sewage treatment water supply and drainage pipeline Download PDFInfo
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- CN112609797B CN112609797B CN202011484946.1A CN202011484946A CN112609797B CN 112609797 B CN112609797 B CN 112609797B CN 202011484946 A CN202011484946 A CN 202011484946A CN 112609797 B CN112609797 B CN 112609797B
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- water pipe
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/06—Methods of, or installations for, laying sewer pipes
Abstract
The invention relates to a laying and installing method of a municipal sewage treatment water supply and drainage pipeline. The invention can solve the problems that the existing equipment can not realize the function of clamping and limiting water pipes with different thicknesses when laying and installing drainage pipes, can not adjust the length of the equipment, and can not clamp and limit the water pipes with different lengths on the same equipment, thereby reducing the using occasions of the equipment, reducing the applicability of the equipment, simultaneously, the splicing between two water pipes can not be aligned, and the water pipes are easy to deviate after being installed, thereby reducing the effect of installing the water pipes.
Description
Technical Field
The invention relates to the technical field of municipal construction, in particular to a laying and installing method of a municipal sewage treatment water supply and drainage pipeline.
Background
The laying of the sewage treatment drainage pipeline is one of municipal construction, and the drainage pipeline refers to a system consisting of a pipe duct and accessory facilities thereof for collecting and discharging sewage, wastewater and rainwater; drainage pipes, including main pipes, branch pipes and pipes leading to a treatment plant, whether built on a street or anywhere else, should be counted as drainage pipes, as long as they function as drainage pipes.
At present, when the existing equipment is laid and installed aiming at a drainage pipeline, the following defects generally exist: 1. the existing equipment can not realize the function of clamping and limiting water pipes with different thicknesses, can not adjust the length of the equipment, and can not clamp and limit the water pipes with different lengths on the same equipment, so that the use occasions of the equipment are reduced, and the applicability of the equipment is reduced; 2. the existing equipment can not be aligned by splicing two water pipes, and the phenomenon of deviation is easy to occur after the water pipes are installed, so that the effect of installing the water pipes is reduced.
Disclosure of Invention
Technical problem to be solved
The invention can solve the problems that the existing equipment can not realize the function of clamping and limiting the water pipes with different thicknesses when laying and installing the drainage pipes, can not adjust the length of the equipment, and can not clamp and limit the water pipes with different lengths on the same equipment, thereby reducing the using occasions of the equipment, reducing the applicability of the equipment, simultaneously, the splicing between the two water pipes can not be aligned, the water pipes are easy to deviate after being installed, and the like, and the installation effect of the water pipes is reduced.
(II) technical scheme
In order to achieve the purpose, the invention adopts the following technical scheme that the laying and installation method of the municipal sewage treatment water supply and drainage pipeline uses the laying and installation equipment of the municipal sewage treatment water supply and drainage pipeline, the laying and installation equipment of the municipal sewage treatment water supply and drainage pipeline comprises a connecting ring, a fixing device and a connecting device, and the concrete method when the laying and installation equipment of the municipal sewage treatment water supply and drainage pipeline is used for hoisting the drainage pipeline is as follows:
s1, water pipe transportation: transporting the produced water pipe to a place needing laying in a manual or mechanical auxiliary mode, and cleaning the interior of the water pipe;
s2, ground grooving: carrying out grooving treatment on the ground to be laid in a manual or mechanical auxiliary mode;
s3, hoisting a water pipe: firstly, manually connecting the connecting ring on the water pipe in a sliding manner, then connecting the fixing device with one end of the water pipe, connecting the connecting device with the other end of the water pipe, and finally manually hoisting the water pipe to the groove formed in the step S2 through the hoisting machine;
s4, installation processing: manually aligning the hoisted water pipes and splicing the hoisted water pipes with the previous water pipe;
s5, backfilling soil: and after the water pipe is laid, backfilling the grooved soil in a manual mode, and compacting and leveling.
The left end of the connecting ring is provided with a fixing device, and the right end of the connecting ring is provided with a connecting device.
The fixing device comprises a connecting rod, an L-shaped plate, a circular plate, an adjusting screw rod, a square plate, a lifting rod and a clamping plate, wherein the connecting rod is uniformly installed at the left end of the connecting ring, the L-shaped plate is installed at the left end of the connecting rod and distributed annularly, the circular plate is installed at the inner end of the L-shaped plate, a stepped cylindrical hole is formed in the middle of the circular plate, the adjusting screw rod is connected inside the stepped cylindrical hole in a thread fit mode, the square plate is uniformly arranged outside the adjusting screw rod, the square plate is installed at the left end of the L-shaped plate, the middle of the square plate is connected with the lifting rod in a sliding fit mode, the inner end of the lifting rod is connected with a ball in a rotating fit mode, the clamping plate is installed at the outer end of the lifting rod and connected with the L-shaped plate in a sliding fit mode, a rubber pad is laid at the outer end of the clamping plate, and the circular plate is tightly attached to the end of the water pipe in a manual mode during specific work, afterwards, the adjusting screw rod is rotated manually, the adjusting screw rod drives the clamping plate to clamp the inner wall of the water pipe through the jacking rod, so that the water pipe is clamped and fixed, and the square plate has the function of limiting the jacking rod.
The connecting device comprises connecting springs, clamping rings, clamping mechanisms, clamping belts, auxiliary plates and auxiliary mechanisms, wherein the connecting springs are uniformly arranged at the right ends of the connecting rings, the connecting springs are distributed annularly, the clamping rings are arranged at the right ends of the connecting springs, annular cavities are formed in the clamping rings, rectangular through holes are formed in the upper sides of the annular cavities, the clamping mechanisms are uniformly connected to the inner walls of the annular cavities in a sliding fit mode, the clamping belts are arranged on the outer sides of the clamping mechanisms and are of annular structures, the clamping belts are connected with the annular cavities in a sliding fit mode, the upper ends of the clamping belts penetrate through the rectangular through holes, the auxiliary plates are uniformly arranged at the right ends of the clamping rings, the auxiliary plates are distributed annularly, grooves are formed in the inner end surfaces of the auxiliary plates, the auxiliary mechanisms are arranged in the grooves, and when the device works, the clamping rings are manually slid to the other end of the water pipe, the auxiliary mechanism carries out spacing processing to the water pipe other end to be convenient for the concatenation installation between two water pipes, thereby the efficiency of installation between the water pipe has been improved, coupling spring plays the function of connecting and adjusting the distance between grip ring and the go-between, realize the function of installing the water pipe of different length on an equipment, thereby the suitability of equipment has been improved, afterwards, when hoist and mount, the tight tape atress shrink drives fixture and presss from both sides tightly spacingly to the water pipe, thereby the stability of hoist and mount has been improved.
Preferably, fixture include supporting rod, grip block, arc and clamping spring, the toroidal cavity inner wall on evenly install the supporting rod, the grip block is installed to supporting rod inner, the grip block is the arc structure, the grip block inner is provided with the rubber slab, the arc is installed to the supporting rod outer end, be connected with clamping spring between arc inner and the toroidal cavity inner wall, concrete during operation, at first, press from both sides tight atress shrink of taking and drive the supporting rod through the arc and feed, the supporting rod presss from both sides tightly spacing to the water pipe through the grip block to the stability of hoist and mount has been improved.
Preferably, the complementary unit include rotor plate, gangbar, slider, limiting plate and reset spring, the recess lateral wall on be connected with the rotor plate through the bearing, the gangbar is installed to the rotor plate left end, the gangbar is the arc structure, the one end that the rotor plate was kept away from to the gangbar is installed the slider, the slider lateral wall is connected with the limiting plate through sliding fit's mode, the limiting plate passes through sliding fit's mode and is connected with the accessory plate, be connected with reset spring between limiting plate outer end and the accessory plate, concrete during operation, the manual work slides the grip ring on the water pipe surface, the rotor plate atress drives the limiting plate through the gangbar and rises, afterwards, the grip ring moves behind the water pipe other end, the limiting plate resets through reset spring, thereby realize carrying out spacing processing to the water pipe tip, the stability of equipment hoist and mount has been improved.
Preferably, the middle of the outer surface of the adjusting screw is provided with the truncated cone, the outer surface of the truncated cone is connected with the ball in a sliding fit mode, the adjusting screw is manually rotated during specific work, the truncated cone on the adjusting screw drives the clamping plate to clamp the inner wall of the water pipe through the jacking rod, and therefore the function of clamping and limiting the water pipes with different thicknesses is achieved, and the applicability of the device is improved.
Preferably, the accessory plate be the arc structure, accessory plate right-hand member integrated into one piece has the arc board of outside slope, the arc inboard inner is connected with the smooth pearl through sliding fit's mode, during concrete during operation, accessory plate right-hand member integrated into one piece's arc board is when being connected between the water pipe, the alignment between the two water pipes of being convenient for avoids the phenomenon that the skew appears after the water pipe installation to the effect of water pipe installation has been improved.
Preferably, the limiting plate be L type structure, the limiting plate left end has rotatory roller through bearing evenly connected with, the terminal surface is provided with the spout in the limiting plate upper wall, spout lateral wall and slider sliding connection, specific during operation, rotatory roller play when the limiting plate removes reduce with the water pipe tip between the function of friction to reduce the consume of equipment, improved the life of equipment.
Preferably, the upper end of the connecting ring is fixedly connected with the annular belt, the connecting ring is sleeved on the water pipe in a manual mode during specific work, and the fixing belt plays a role in connection during hoisting of the water pipe, so that the water pipe is hoisted conveniently.
(III) advantageous effects
1. According to the laying and installing method for the municipal sewage treatment water supply and drainage pipeline, the adopted fixing device can realize the function of clamping and limiting the water pipes with different thicknesses, so that the use occasions of equipment are increased, and the applicability of the equipment is improved;
2. according to the laying and installing method for the municipal sewage treatment water supply and drainage pipeline, the adopted connecting device can be spliced between the two water pipes for alignment treatment, so that the phenomenon of deviation after the water pipes are installed is avoided, and the effect of installing the water pipes is improved;
3. the municipal sewage treatment water supply and drainage pipeline laying and mounting method provided by the invention can adjust the length of equipment, and can clamp and limit water pipes with different lengths on the same equipment, so that the use efficiency of the equipment is improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a process flow diagram of the present invention;
FIG. 2 is a schematic perspective view of the structure of the present invention;
FIG. 3 is a front view of the present invention;
FIG. 4 is a left side view of the present invention;
FIG. 5 is a cross-sectional view A-A of FIG. 3 in accordance with the present invention;
FIG. 6 is a cross-sectional view of B-B of FIG. 4 in accordance with the present invention;
FIG. 7 is an enlarged view of the invention at N in FIG. 6;
fig. 8 is an enlarged view at X in fig. 6 of the present invention.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 to 8, in order to achieve the above object, the following technical solutions are adopted in the present invention, which uses a municipal sewage treatment water supply and drainage pipeline installation device, the municipal sewage treatment water supply and drainage pipeline installation device includes a connection ring 1, a fixing device 2 and a connecting device 3, and the concrete method when the municipal sewage treatment water supply and drainage pipeline installation device is used to hoist a drainage pipeline is as follows:
s1, water pipe transportation: transporting the produced water pipe to a place needing laying in a manual or mechanical auxiliary mode, and cleaning the interior of the water pipe;
s2, ground grooving: carrying out grooving treatment on the ground to be laid in a manual or mechanical auxiliary mode;
s3, hoisting a water pipe: firstly, manually connecting the connecting ring 1 on the water pipe in a sliding manner, then connecting the fixing device 2 with one end of the water pipe, connecting the connecting device 3 with the other end of the water pipe, and finally manually hoisting the water pipe to the groove opened in the step S2 through the hoisting machine;
s4, installation processing: manually aligning the hoisted water pipes and splicing the hoisted water pipes with the previous water pipe;
s5, backfilling soil: and after the water pipe is laid, backfilling the grooved soil in a manual mode, and compacting and leveling.
The left end of the connecting ring 1 is provided with a fixing device 2, and the right end of the connecting ring 1 is provided with a connecting device 3.
1 upper end fixedly connected with annular area of go-between, concrete during operation, through artificial mode with go-between 1 cover to the water pipe on, the fixed band plays the effect of connection when the water pipe hoist and mount to be convenient for the hoist and mount of water pipe.
The fixing device 2 comprises a connecting rod 21, an L-shaped plate 22, a circular plate 23, an adjusting screw 24, a square plate 25, a jacking rod 26 and a clamping plate 27, the connecting rod 21 is uniformly installed at the left end of the connecting ring 1, the L-shaped plate 22 is installed at the left end of the connecting rod 21, the L-shaped plate 22 is distributed annularly, the circular plate 23 is installed at the inner end of the L-shaped plate 22, a stepped cylindrical hole is formed in the middle of the circular plate 23, the adjusting screw 24 is connected to the inside of the stepped cylindrical hole in a threaded fit mode, the square plate 25 is uniformly arranged on the outer side of the adjusting screw 24, the square plate 25 is installed at the left end of the L-shaped plate 22, the jacking rod 26 is connected to the middle of the square plate 25 in a sliding fit mode, balls are connected to the inner end of the jacking rod 26 in a rotating fit mode, the clamping plate 27 is installed at the outer end of the jacking rod 26, the clamping plate 27 is connected with the L-shaped plate 22 in a sliding fit mode, and a rubber pad is laid on the outer end of the clamping plate 27, during specific work, the circular plate 23 is tightly attached to the end of the water pipe in an artificial mode, then the adjusting screw 24 is manually rotated, the adjusting screw 24 drives the clamping plate 27 to clamp the inner wall of the water pipe through the jacking rod 26, so that the water pipe is clamped and fixed, and the square plate 25 has the function of limiting the jacking rod 26.
The middle part of the outer surface of the adjusting screw rod 24 is provided with a truncated cone, the outer surface of the truncated cone is connected with the ball in a sliding fit mode, when the device works, the adjusting screw rod 24 is rotated manually, the truncated cone on the adjusting screw rod 24 drives the clamping plate 27 to clamp the inner wall of the water pipe through the jacking rod 26, and therefore the function of clamping and limiting the water pipes with different thicknesses is achieved, and the applicability of the device is improved.
The connecting device 3 comprises connecting springs 31, clamping rings 32, clamping mechanisms 33, clamping belts 34, auxiliary plates 35 and auxiliary mechanisms 36, the connecting springs 31 are uniformly installed at the right end of the connecting ring 1, the connecting springs 31 are distributed annularly, the clamping rings 32 are installed at the right end of the connecting springs 31, annular cavities are formed in the clamping rings 32, rectangular through holes are formed in the upper sides of the annular cavities, the clamping mechanisms 33 are uniformly connected to the inner walls of the annular cavities in a sliding fit mode, the clamping belts 34 are arranged on the outer sides of the clamping mechanisms 33, the clamping belts 34 are of annular structures, the clamping belts 34 are connected with the annular cavities in a sliding fit mode, the upper ends of the clamping belts 34 penetrate through the rectangular through holes, the auxiliary plates 35 are uniformly installed at the right ends of the clamping rings 32, the auxiliary plates 35 are distributed annularly, grooves are formed in the inner end faces of the auxiliary plates 35, and the auxiliary mechanisms 36 are installed in the grooves, during specific work, slide grip ring 32 to the water pipe other end through artificial mode, complementary unit 36 carries out spacing processing to the water pipe other end, and be convenient for the concatenation installation between two water pipes, thereby the efficiency of installation between the water pipe has been improved, coupling spring 31 plays the function of connecting and adjusting the distance between grip ring 32 and the go-between 1, the realization is installed the function to the water pipe of different length on an equipment, thereby the suitability of equipment has been improved, afterwards, when hoist and mount, it is spacing to press from both sides tight that the pinch grip of 34 atress of clamp area drives fixture 33 to press from both sides the water pipe, thereby the stability of hoist and mount has been improved.
The accessory plate 35 be the arc structure, accessory plate 35 right-hand member integrated into one piece has the arc board of outside slope, the arc board inner is connected with the smooth pearl through sliding fit's mode, during concrete during operation, accessory plate 35 right-hand member integrated into one piece's arc board is when being connected between the water pipe, the alignment between the two water pipes of being convenient for avoids the phenomenon that the skew appears after the water pipe installation to the effect of water pipe installation has been improved.
The auxiliary mechanism 36 comprises a rotating plate 361, a linkage rod 362, a slider 363, a limit plate 364 and a return spring 365, the side wall of the groove is connected with a rotating plate 361 through a bearing, the left end of the rotating plate 361 is provided with a linkage rod 362, the linkage rod 362 is of an arc structure, one end of the linkage rod 362 far away from the rotating plate 361 is provided with a slide block 363, the side wall of the slide block 363 is connected with a limit plate 364 in a sliding fit manner, the limit plate 364 is connected with an auxiliary plate 35 in a sliding fit manner, a return spring 365 is connected between the outer end of the limit plate 364 and the auxiliary plate 35, when the device works, the clamping ring 32 is manually slid on the surface of the water pipe, the rotating plate 361 is forced to drive the limiting plate 364 to rise through the linkage rod 362, and then, after the retaining ring 32 moves to the other end of the water pipe, the limiting plate 364 resets through the reset spring 365, so that the end of the water pipe is limited, and the hoisting stability of the equipment is improved.
Limiting plate 364 be L type structure, the limiting plate 364 left end is connected with rotatory roller through the bearing is even, the terminal surface is provided with the spout in the limiting plate 364 upper wall, spout lateral wall and slider 363 sliding connection, specific during operation, rotatory roller play when limiting plate 364 removes reduce with the water pipe tip between the function of friction to reduce the consume of equipment, improved the life of equipment.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a municipal sewage treatment water supply and drainage pipe lays installation method, it has used a municipal sewage treatment water supply and drainage pipe lays installation equipment, this municipal sewage treatment water supply and drainage pipe lays installation equipment includes go-between (1), fixing device (2) and connecting device (3), its characterized in that: the concrete method for hoisting the drainage pipeline by adopting the municipal sewage treatment water supply and drainage pipeline laying and installing equipment comprises the following steps:
s1, water pipe transportation: transporting the produced water pipe to a place needing laying in a manual or mechanical auxiliary mode, and cleaning the interior of the water pipe;
s2, ground grooving: carrying out grooving treatment on the ground to be laid in a manual or mechanical auxiliary mode;
s3, hoisting a water pipe: firstly, manually connecting a connecting ring (1) on a water pipe in a sliding manner, then connecting a fixing device (2) with one end of the water pipe, connecting a connecting device (3) with the other end of the water pipe, and finally manually hoisting the water pipe to the groove formed in the step S2 through a hoisting machine;
s4, installation processing: manually aligning the hoisted water pipes and splicing the hoisted water pipes with the previous water pipe;
s5, backfilling soil: after the water pipe is laid, backfilling the grooved soil in a manual mode, and compacting and leveling;
the left end of the connecting ring (1) is provided with a fixing device (2), and the right end of the connecting ring (1) is provided with a connecting device (3);
the fixing device (2) comprises a connecting rod (21), an L-shaped plate (22), a circular plate (23), an adjusting screw rod (24), a square plate (25), a jacking rod (26) and a clamping plate (27), the connecting rod (21) is uniformly installed at the left end of the connecting ring (1), the L-shaped plate (22) is installed at the left end of the connecting rod (21), the L-shaped plate (22) is distributed annularly, the circular plate (23) is installed at the inner end of the L-shaped plate (22), a stepped cylindrical hole is formed in the middle of the circular plate (23), the adjusting screw rod (24) is connected inside the stepped cylindrical hole in a thread fit mode, the square plate (25) is uniformly arranged outside the adjusting screw rod (24), the square plate (25) is installed at the left end of the L-shaped plate (22), the middle of the square plate (25) is connected with the jacking rod (26) in a sliding fit mode, and the inner end of the jacking rod (26) is connected with a ball in a rotating fit mode, the outer end of the jacking rod (26) is provided with a clamping plate (27), the clamping plate (27) is connected with the L-shaped plate (22) in a sliding fit mode, and a rubber pad is paved at the outer end of the clamping plate (27);
the connecting device (3) comprises a connecting spring (31), clamping rings (32), clamping mechanisms (33), clamping belts (34), an auxiliary plate (35) and an auxiliary mechanism (36), the connecting spring (31) is uniformly installed at the right end of the connecting ring (1), the connecting spring (31) is distributed in an annular shape, the clamping rings (32) are installed at the right end of the connecting spring (31), an annular cavity is formed in the clamping rings (32), rectangular through holes are formed in the upper side of the annular cavity, the clamping mechanisms (33) are uniformly connected to the inner wall of the annular cavity in a sliding fit mode, the clamping belts (34) are arranged on the outer sides of the clamping mechanisms (33), the clamping belts (34) are in an annular structure, the clamping belts (34) are connected with the annular cavity in a sliding fit mode, the rectangular through holes penetrate through the upper ends of the clamping belts (34), the auxiliary plate (35) is uniformly installed at the right end of the clamping rings (32), the auxiliary plate (35) is distributed annularly, a groove is formed in the inner end face of the auxiliary plate (35), and an auxiliary mechanism (36) is installed in the groove.
2. The laying and installing method for the municipal sewage treatment water supply and drainage pipeline according to claim 1, characterized in that: fixture (33) include supporting rod (331), grip block (332), arc (333) and clamp spring (334), the toroidal cavity inner wall on evenly install supporting rod (331), grip block (332) are installed to supporting rod (331) inner, grip block (332) are the arc structure, grip block (332) inner is provided with the rubber slab, arc (333) are installed to supporting rod (331) outer end, be connected with between arc (333) inner and the toroidal cavity inner wall and press from both sides clamp spring (334).
3. The laying and installing method for the municipal sewage treatment water supply and drainage pipeline according to claim 1, characterized in that: auxiliary mechanism (36) including rotor plate (361), gangbar (362), slider (363), limiting plate (364) and reset spring (365), the recess lateral wall on be connected with rotor plate (361) through the bearing, gangbar (362) are installed to rotor plate (361) left end, gangbar (362) are the arc structure, one end that swivel plate (361) was kept away from in gangbar (362) is installed slider (363), slider (363) lateral wall is connected with limiting plate (364) through sliding fit's mode, limiting plate (364) are connected with auxiliary plate (35) through sliding fit's mode, be connected with reset spring (365) between limiting plate (364) outer end and auxiliary plate (35).
4. The laying and installing method for the municipal sewage treatment water supply and drainage pipeline according to claim 1, characterized in that: the middle part of the outer surface of the adjusting screw rod (24) is provided with a cone frustum, and the outer surface of the cone frustum is connected with the ball bearings in a sliding fit mode.
5. The laying and installing method for the municipal sewage treatment water supply and drainage pipeline according to claim 1, characterized in that: the auxiliary plate (35) is of an arc-shaped structure, the arc plate which is inclined outwards is integrally formed at the right end of the auxiliary plate (35), and the inner end of the arc plate is connected with a sliding ball in a sliding fit mode.
6. The laying and installing method of the municipal sewage treatment water supply and drainage pipeline according to claim 3, wherein the laying and installing method comprises the following steps: the limiting plate (364) is of an L-shaped structure, the left end of the limiting plate (364) is evenly connected with a rotating roller through a bearing, the inner end face of the upper wall of the limiting plate (364) is provided with a sliding groove, and the side wall of the sliding groove is in sliding connection with the sliding block (363).
7. The laying and installing method for the municipal sewage treatment water supply and drainage pipeline according to claim 1, characterized in that: the upper end of the connecting ring (1) is fixedly connected with an annular belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011484946.1A CN112609797B (en) | 2020-12-16 | 2020-12-16 | Laying and installing method for municipal sewage treatment water supply and drainage pipeline |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011484946.1A CN112609797B (en) | 2020-12-16 | 2020-12-16 | Laying and installing method for municipal sewage treatment water supply and drainage pipeline |
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| CN112609797A CN112609797A (en) | 2021-04-06 |
| CN112609797B true CN112609797B (en) | 2022-04-19 |
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| CN202011484946.1A Active CN112609797B (en) | 2020-12-16 | 2020-12-16 | Laying and installing method for municipal sewage treatment water supply and drainage pipeline |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114508256B (en) * | 2022-03-25 | 2023-06-16 | 山东承震建筑科技有限公司 | Anti-seismic damper installation connecting device |
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| CN211545654U (en) * | 2020-01-15 | 2020-09-22 | 天津天鑫旺达金属热处理股份有限公司 | Pipe fitting cooling assembly line presss from both sides dress equipment |
| CN111911711A (en) * | 2020-07-15 | 2020-11-10 | 谢祥松 | Natural gas energy pipeline laying construction method |
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2020
- 2020-12-16 CN CN202011484946.1A patent/CN112609797B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013166559A1 (en) * | 2012-05-09 | 2013-11-14 | Gerard O'brien | Attachment for pipe laying |
| CN106081862A (en) * | 2016-08-10 | 2016-11-09 | 连云港艾可新型建材有限公司 | A kind of special hanger for concrete tubular pile lifting |
| CN108557633A (en) * | 2018-04-26 | 2018-09-21 | 张美姣 | A kind of municipal pipeline connector cleaning lifting frame |
| CN209193379U (en) * | 2018-11-07 | 2019-08-02 | 无锡天丰金属制品有限公司 | A kind of lifting hook pliers for ring forging piece |
| CN211078143U (en) * | 2019-10-30 | 2020-07-24 | 中国电建集团湖北工程有限公司 | Balanced hoisting structure of box-type substation |
| CN211545654U (en) * | 2020-01-15 | 2020-09-22 | 天津天鑫旺达金属热处理股份有限公司 | Pipe fitting cooling assembly line presss from both sides dress equipment |
| CN111911711A (en) * | 2020-07-15 | 2020-11-10 | 谢祥松 | Natural gas energy pipeline laying construction method |
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| CN112609797A (en) | 2021-04-06 |
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