CN114233932A - Shock-absorbing seat for mounting construction pipeline based on hydraulic engineering - Google Patents

Shock-absorbing seat for mounting construction pipeline based on hydraulic engineering Download PDF

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Publication number
CN114233932A
CN114233932A CN202210083921.3A CN202210083921A CN114233932A CN 114233932 A CN114233932 A CN 114233932A CN 202210083921 A CN202210083921 A CN 202210083921A CN 114233932 A CN114233932 A CN 114233932A
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CN
China
Prior art keywords
fastening
pipeline
ring
locking
hydraulic engineering
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202210083921.3A
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Chinese (zh)
Inventor
李凯
胡兆全
高冉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202210083921.3A priority Critical patent/CN114233932A/en
Publication of CN114233932A publication Critical patent/CN114233932A/en
Withdrawn legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L3/00Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
    • F16L3/08Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing
    • F16L3/10Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two or more members engaging the pipe, cable or protective tubing
    • F16L3/1066Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two or more members engaging the pipe, cable or protective tubing with three or more members surrounding the pipe
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L3/00Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
    • F16L3/16Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets with special provision allowing movement of the pipe
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/02Energy absorbers; Noise absorbers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/02Energy absorbers; Noise absorbers
    • F16L55/033Noise absorbers
    • F16L55/035Noise absorbers in the form of specially adapted hangers or supports

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vibration Prevention Devices (AREA)

Abstract

The invention provides a pipeline installation damping seat based on hydraulic engineering construction, relates to the technical field of pipeline installation, and comprises the following components: the fixing mechanism, the adjusting wheel and the locking mechanism; a buffer mechanism is arranged above the fixing mechanism; a fastening mechanism is arranged above the fixing mechanism; the supporting rod of the buffer mechanism is connected with the connecting hole of the fastening mechanism through a rotating shaft; two guide rods are arranged on the right side of the adjusting wheel; locking ring of locking mechanical system passes through the screw and is connected with the tighrening ring, and the regulating wheel is installed inside tighrening ring and locking ring, and cooperation lift piece simultaneously, in fixed pipeline, make the pipeline can be rotatory in the tighrening ring is inside, when having solved traditional piping erection cushion socket installation, need many times the rotation regulation pipeline, make the pipeline screw or make the screw between the flange align, and the pipeline is comparatively heavy, need many people or mechanical assistance to adjust, comparatively troublesome still has occupied a large amount of manpower and materials problems.

Description

Shock-absorbing seat for mounting construction pipeline based on hydraulic engineering
Technical Field
The invention relates to the technical field of pipeline installation, in particular to a damping seat for pipeline installation based on hydraulic engineering construction.
Background
The hydraulic engineering is an engineering which is constructed for controlling and allocating surface water and underground water in the nature to achieve the purposes of removing harm and benefiting the purpose; mainly rely on water conservancy pipeline to dredge rivers among the hydraulic engineering, water conservancy pipeline all installs on the shock attenuation seat usually.
However, when the conventional pipeline mounting shock-absorbing seat is used for mounting pipelines, the pipelines are usually connected by using threads or flanges, the pipelines need to be adjusted by rotating for many times, so that the pipelines are screwed tightly or screw holes between the flanges are aligned, the pipelines are heavy, the pipelines need to be adjusted by multiple persons or machinery, and a large amount of manpower and material resources are occupied; meanwhile, when the traditional pipeline installation damping seat is used, the damping structure is not perfect enough, and the impact in the horizontal direction is difficult to resist due to the circular structure of the pipeline.
Disclosure of Invention
In view of the above, the present invention provides a damping seat for installing a pipeline based on hydraulic engineering construction, which has an adjusting wheel installed inside a fastening ring and a locking ring and cooperating with a lifting member, so that the pipeline can rotate inside the fastening ring while being fixed, thereby facilitating the pipeline to be screwed or aligning screw holes between flanges.
The invention provides a pipeline installation damping seat based on hydraulic engineering construction, which specifically comprises the following components: the fixing mechanism, the adjusting wheel and the locking mechanism; a buffer mechanism is arranged above the fixing mechanism, and a buffer sleeve of the buffer mechanism is connected above a fixed seat of the fixing mechanism through a rotating shaft; a fastening mechanism is arranged above the fixing mechanism, and positioning columns of the mounting grooves of the fixing mechanism are inserted into through holes of two fastening rings of the fastening mechanism; the supporting rod of the buffer mechanism is connected with the connecting hole of the fastening mechanism through a rotating shaft; two guide rods are arranged on the right side of the adjusting wheel, and the front end and the rear end of the adjusting wheel are connected with idler wheels through rotating shafts; the guide rods of the two adjusting wheels are inserted into the mounting holes of the fastening ring, and the guide rods of the other two adjusting wheels are inserted into the mounting holes of the locking ring of the locking mechanism; the locking ring of the locking mechanism is connected with the fastening ring through a screw.
Optionally, the left side and the right side of the fixed seat are provided with positioning holes, and a rotating shaft is arranged above the fixed seat; the mounting groove is fixedly connected above the fixing seat, and four positioning columns are arranged on the left side and the right side inside the mounting groove; a spring is sleeved outside the positioning column of the mounting groove; two sliding holes are formed in the mounting groove, and a spring is arranged in each sliding hole of the mounting groove.
Optionally, the fixing mechanism further includes: a fixing nail and a lifting piece; the fixing nail is inserted into the positioning hole of the fixing seat; two columnar bulges are arranged below the lifting piece, and two rollers are arranged at the front end and the rear end of the lifting piece; the lifting piece is inserted into the sliding hole of the mounting groove.
Optionally, a spring is installed inside the buffer sleeve; a rotating shaft is arranged above the supporting rod, and the lower part of the supporting rod is inserted into the buffer sleeve; the lower end face of the supporting rod is connected with a spring of the buffering sleeve.
Optionally, a rectangular protrusion is arranged below the fastening ring, and four through holes are formed in the rectangular protrusion of the fastening ring; two mounting holes are formed above the fastening ring; the top of tighrening ring is equipped with the rectangle arch, and the protruding inside screw of having seted up of rectangle of tighrening ring.
Optionally, the fastening mechanism further comprises: connecting holes; the connecting hole is fixedly connected to the lower end of the fastening ring.
Optionally, the locking ring is of a semicircular structure, and two rectangular protrusions are arranged on the left side and the right side of the locking ring; screw holes are formed in the rectangular bulges of the locking ring; two screw holes are respectively formed in the left side and the right side of the locking ring.
Optionally, the locking mechanism further comprises: a contact pad; the contact pad is mounted on the lower end face of the locking ring through screws.
Advantageous effects
According to the pipeline installation damping seat provided by the embodiments of the invention, compared with the traditional pipeline installation damping seat, the pipeline is erected in the fastening ring, and is fixed through the locking ring, when the pipeline is fixed, the adjusting wheels arranged on the fastening ring and the locking ring can effectively reduce the friction force between the pipeline and the damping seat, and the pipeline is separated from the contact pad by slightly pressing the pipeline, so that the pipeline can rotate in the fastening mechanism through the adjusting wheels, and the pipeline can rotate in the damping seat after being erected, so that the use of manpower or material resources can be reduced, and the working efficiency is improved.
In addition, in the process, the regulating wheel and the lifting piece can extrude the pipeline under the elasticity of the spring, so that the pipeline can be stably fixed inside the fastening mechanism all the time, and the friction force is increased between the contact pad and the pipeline to prevent the pipeline from rotating in the device.
In addition, fastening device passes through buffer gear and is connected with fixed establishment, and when the device received external horizontal direction impact, fastening device can receive the elasticity of spring between tighrening ring and the mounting groove, reduces fastening device's deformation displacement, and fastening device receives buffer gear's pulling simultaneously, further prevents fastening device displacement, and the while is through buffer gear's drawing, reduces fastening device's deformation to this increases the tolerance of device to horizontal impact.
In addition, two tighrening rings are connected with the mounting groove through the spring respectively, make through changing not unidimensional locking mechanical system, can realize the installation to unidimensional pipeline.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
The drawings in the following description relate to some embodiments of the invention only and are not intended to limit the invention.
In the drawings:
FIG. 1 illustrates an overall structural view of a pipe mount damper according to an embodiment of the present invention;
FIG. 2 illustrates an exploded view of a pipe-mounted damper according to an embodiment of the present invention;
FIG. 3 illustrates a perspective cross-sectional view of a fixing mechanism of a pipe mount damper according to an embodiment of the present invention;
FIG. 4 illustrates an enlarged partial schematic view at A of FIG. 3 of a pipe mount damper according to an embodiment of the present invention;
FIG. 5 illustrates an assembly view of a fastening mechanism of a pipe mount damper according to an embodiment of the present invention;
FIG. 6 illustrates an enlarged partial schematic view at B of FIG. 5 of a pipe mount damper according to an embodiment of the present invention;
FIG. 7 illustrates an assembly view of an adjustment wheel of a pipe mount damper according to an embodiment of the present invention;
FIG. 8 illustrates a schematic installation of a locking mechanism of a pipe mount damper according to an embodiment of the present invention.
List of reference numerals
1. A fixing mechanism; 101. a fixed seat; 102. mounting grooves; 103. fixing nails; 104. a lifting member;
2. a buffer mechanism; 201. a buffer sleeve; 202. a support bar;
3. a fastening mechanism; 301. a fastening ring; 302. connecting holes;
4. an adjustment wheel;
5. a locking mechanism; 501. a locking ring; 502. a contact pad is provided.
Detailed Description
In order to make the objects, aspects and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention will be described in detail with reference to the accompanying drawings. Unless otherwise indicated, terms used herein have the ordinary meaning in the art. Like reference symbols in the various drawings indicate like elements.
Example (b): please refer to fig. 1 to 8:
the invention provides a damping seat for mounting a pipeline based on hydraulic engineering construction, which comprises: the device comprises a fixing mechanism 1, an adjusting wheel 4 and a locking mechanism 5; a buffer mechanism 2 is arranged above the fixing mechanism 1, and a buffer sleeve 201 of the buffer mechanism 2 is connected above a fixed seat 101 of the fixing mechanism 1 through a rotating shaft; a fastening mechanism 3 is arranged above the fixing mechanism 1, and positioning columns of the mounting grooves 102 of the fixing mechanism 1 are inserted into through holes of two fastening rings 301 of the fastening mechanism 3; the support rod 202 of the buffer mechanism 2 is connected with the connecting hole 302 of the fastening mechanism 3 through a rotating shaft; two guide rods are arranged on the right side of the adjusting wheel 4, and the front end and the rear end of the adjusting wheel 4 are connected with idler wheels through rotating shafts; the guide bars of two regulating wheels 4 are inserted inside the mounting holes of the fastening ring 301, and the guide bars of the other two regulating wheels 4 are inserted inside the mounting holes of the locking ring 501 of the locking mechanism 5; the locking ring 501 of the locking mechanism 5 is connected to the fastening ring 301 by screws.
In addition, according to the embodiment of the present invention, as shown in fig. 2, fig. 3, fig. 5 and fig. 8, positioning holes are formed on the left and right sides of the fixing base 101, and a rotating shaft is disposed above the fixing base 101; the fixed seat 101 is used for installing the buffer mechanism 2, and the fixed seat 101 is used for fixing and supporting the whole shock absorption seat; the mounting groove 102 is fixedly connected above the fixing seat 101, and four positioning columns are arranged on the left side and the right side inside the mounting groove 102; a spring is sleeved outside the positioning column of the mounting groove 102; two sliding holes are formed in the mounting groove 102, and a spring is mounted in each sliding hole of the mounting groove 102; the mounting groove 102 is used for mounting the fastening mechanism 3 and can buffer the impact force applied to the fastening mechanism 3 through a spring; the fixing mechanism 1 further comprises: a fixing pin 103 and a lifter 104; the fixing nail 103 is inserted into the positioning hole of the fixing seat 101; the fixing nail 103 is used for fixing the shock absorption seat at the installation position; two columnar bulges are arranged below the lifting piece 104, and two rollers are arranged at the front end and the rear end of the lifting piece 104; the elevating member 104 is inserted inside the sliding hole of the mounting groove 102; the lifting member 104 assists the regulating wheel 4 in fixing the pipe.
Further, according to the embodiment of the present invention, as shown in fig. 2, 3, 5 and 8, the buffer sleeve 201 is internally mounted with a spring; the buffer sleeve 201 is used for installing the support rod 202, so that the support rod 202 supports the fastening mechanism 3, and the shock resistance and the shock absorption effect of the shock absorption seat are improved; a rotating shaft is arranged above the supporting rod 202, and the lower part of the supporting rod 202 is inserted into the buffer sleeve 201; the lower end surface of the support rod 202 is connected with the spring of the buffer sleeve 201; the support rod 202 supports the fastening mechanism 3 in cooperation with the cushion sleeve 201.
In addition, according to the embodiment of the present invention, as shown in fig. 2, 3, 5 and 8, a rectangular protrusion is provided below the fastening ring 301, and four through holes are opened inside the rectangular protrusion of the fastening ring 301; two mounting holes are formed above the fastening ring 301; a rectangular bulge is arranged above the fastening ring 301, and a screw hole is formed in the rectangular bulge of the fastening ring 301; the two fastening rings 301 form a semicircular structure, and the pipeline is installed after the adjusting wheel 4 is installed; the fastening mechanism 3 further comprises: a connection hole 302; the coupling hole 302 is fixedly coupled to a lower end of the fastening ring 301, and the coupling hole 302 is used to couple the fastening mechanism 3 and the buffer mechanism 2.
Further, according to an embodiment of the present invention, as shown in fig. 2, 3, 5 and 8, the locking ring 501 has a semicircular structure, and both left and right sides of the locking ring 501 are provided with two rectangular protrusions; screw holes are formed in the rectangular protrusions of the locking ring 501; the left side and the right side of the locking ring 501 are respectively provided with two screw holes; the locking ring 501 is matched with the fastening ring 301 to fix the pipeline; the locking mechanism 5 further comprises: a contact pad 502; the contact pad 502 is mounted on the lower end face of the lock ring 501 by screws; the contact pad 502 is made of rubber to increase the friction between the device and the pipe.
The specific use mode and function of the embodiment are as follows: in the invention, a fixed seat 101 is arranged at a corresponding position through a fixing nail 103, a worker places a pipeline inside a fastening ring 301, a locking ring 501 is arranged above the fastening ring 301 through a screw, a regulating wheel 4 arranged on the fastening ring 301 and the locking ring 501 can effectively reduce the friction force between the pipeline and a damping seat, the pipeline is separated from a contact pad 502 through slightly pressing the pipeline, the pipeline can rotate inside a fastening mechanism 3 through the regulating wheel 4, so that a plurality of pipelines can be quickly aligned with screw holes of a flange for connection, meanwhile, when the device is impacted in the horizontal direction of the outside, the fastening mechanism 3 can be subjected to the elasticity of a spring between the fastening ring 301 and a mounting groove 102, the deformation displacement of the fastening mechanism 3 is reduced, through the mechanisms, the pipelines can be conveniently and quickly connected, and simultaneously, by utilizing the buffer mechanism 2 and the connection of the spring between the fastening ring 301 and the mounting groove 102, the tolerance of the device to horizontal impact force is improved, and the service life of the device is prolonged.
Finally, it should be noted that, when describing the positions of the components and the matching relationship therebetween, the present invention is usually illustrated by one/a pair of components, however, it should be understood by those skilled in the art that such positions, matching relationship, etc. are also applicable to other/other pairs of components.
The above description is intended to be illustrative of the present invention and not to limit the scope of the invention, which is defined by the claims appended hereto.

Claims (8)

1. Based on hydraulic engineering construction pipe erection cushion socket, its characterized in that includes: the device comprises a fixing mechanism (1), an adjusting wheel (4) and a locking mechanism (5); a buffer mechanism (2) is arranged above the fixing mechanism (1), and a buffer sleeve (201) of the buffer mechanism (2) is connected above a fixed seat (101) of the fixing mechanism (1) through a rotating shaft; a fastening mechanism (3) is arranged above the fixing mechanism (1), and positioning columns of the mounting grooves (102) of the fixing mechanism (1) are inserted into through holes of two fastening rings (301) of the fastening mechanism (3); the support rod (202) of the buffer mechanism (2) is connected with the connecting hole (302) of the fastening mechanism (3) through a rotating shaft; two guide rods are arranged on the right side of the adjusting wheel (4), and the front end and the rear end of the adjusting wheel (4) are connected with idler wheels through rotating shafts; the guide rods of the two adjusting wheels (4) are inserted into the mounting holes of the fastening ring (301), and the guide rods of the other two adjusting wheels (4) are inserted into the mounting holes of the locking ring (501) of the locking mechanism (5); the locking ring (501) of the locking mechanism (5) is connected with the fastening ring (301) through screws.
2. The hydraulic engineering construction pipeline-based mounting shock absorption seat as claimed in claim 1, wherein: positioning holes are formed in the left side and the right side of the fixed seat (101), and a rotating shaft is arranged above the fixed seat (101); the mounting groove (102) is fixedly connected above the fixing seat (101), and four positioning columns are arranged on the left side and the right side inside the mounting groove (102); a spring is sleeved on the outer side of the positioning column of the mounting groove (102); two sliding holes are formed in the mounting groove (102), and a spring is mounted in each sliding hole of the mounting groove (102).
3. The hydraulic engineering construction pipeline-based mounting shock absorption seat as claimed in claim 1, wherein: the fixing mechanism (1) further comprises: a fixing nail (103) and a lifting piece (104); the fixing nail (103) is inserted into a positioning hole of the fixing seat (101); two columnar bulges are arranged below the lifting piece (104), and two rollers are arranged at the front end and the rear end of the lifting piece (104); the lifting piece (104) is inserted into the sliding hole of the mounting groove (102).
4. The hydraulic engineering construction pipeline-based mounting shock absorption seat as claimed in claim 1, wherein: a spring is arranged in the buffer sleeve (201); a rotating shaft is arranged above the supporting rod (202), and the lower part of the supporting rod (202) is inserted into the buffer sleeve (201); the lower end face of the supporting rod (202) is connected with a spring of the buffer sleeve (201).
5. The hydraulic engineering construction pipeline-based mounting shock absorption seat as claimed in claim 1, wherein: a rectangular bulge is arranged below the fastening ring (301), and four through holes are formed in the rectangular bulge of the fastening ring (301); two mounting holes are formed above the fastening ring (301); the upper portion of the fastening ring (301) is provided with a rectangular protrusion, and a screw hole is formed in the rectangular protrusion of the fastening ring (301).
6. The hydraulic engineering construction pipeline-based mounting shock absorption seat as claimed in claim 1, wherein: the fastening mechanism (3) further comprises: a connection hole (302); the connecting hole (302) is fixedly connected to the lower end of the fastening ring (301).
7. The hydraulic engineering construction pipeline-based mounting shock absorption seat as claimed in claim 1, wherein: the locking ring (501) is of a semicircular structure, and two rectangular protrusions are arranged on the left side and the right side of the locking ring (501); screw holes are formed in the rectangular protrusions of the locking ring (501); two screw holes are respectively formed in the left side and the right side of the locking ring (501).
8. The hydraulic engineering construction pipeline-based mounting shock absorption seat as claimed in claim 1, wherein: the locking mechanism (5) further comprises: a contact pad (502); the contact pad (502) is mounted on the lower end face of the locking ring (501) through screws.
CN202210083921.3A 2022-01-24 2022-01-24 Shock-absorbing seat for mounting construction pipeline based on hydraulic engineering Withdrawn CN114233932A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210083921.3A CN114233932A (en) 2022-01-24 2022-01-24 Shock-absorbing seat for mounting construction pipeline based on hydraulic engineering

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210083921.3A CN114233932A (en) 2022-01-24 2022-01-24 Shock-absorbing seat for mounting construction pipeline based on hydraulic engineering

Publications (1)

Publication Number Publication Date
CN114233932A true CN114233932A (en) 2022-03-25

Family

ID=80747102

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210083921.3A Withdrawn CN114233932A (en) 2022-01-24 2022-01-24 Shock-absorbing seat for mounting construction pipeline based on hydraulic engineering

Country Status (1)

Country Link
CN (1) CN114233932A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115949805A (en) * 2023-03-10 2023-04-11 荣成康怡新材料科技有限公司 Car as a house blow off pipe supports fixing device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115949805A (en) * 2023-03-10 2023-04-11 荣成康怡新材料科技有限公司 Car as a house blow off pipe supports fixing device

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Application publication date: 20220325

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