CN113339591A - Pipeline installation is adjusted with high-efficient locking lifting device - Google Patents
Pipeline installation is adjusted with high-efficient locking lifting device Download PDFInfo
- Publication number
- CN113339591A CN113339591A CN202110591629.8A CN202110591629A CN113339591A CN 113339591 A CN113339591 A CN 113339591A CN 202110591629 A CN202110591629 A CN 202110591629A CN 113339591 A CN113339591 A CN 113339591A
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- Prior art keywords
- sides
- fixedly connected
- groove
- supporting
- plate
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Classifications
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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
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/08—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing
- F16L3/10—Supports 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
- F16L3/11—Supports 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 and hanging from a pendant
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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
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/16—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets with special provision allowing movement of the pipe
- F16L3/20—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets with special provision allowing movement of the pipe allowing movement in transverse direction
Abstract
The invention relates to the technical field of pipeline installation, in particular to a high-efficiency anti-loosening supporting and hanging device for pipeline installation and adjustment, which comprises a top plate and a bottom plate, wherein both sides of the upper surface of the top plate are rotatably connected with connecting rings, the upper ends of the connecting rings on both sides are provided with fixing structures, both sides between the top plate and the bottom plate are fixedly connected with connecting columns, an upper mounting plate and a lower mounting plate respectively penetrate through the upper mounting plates on both sides, the middle parts of the connecting columns on both sides are provided with connecting shafts, and both ends of the connecting shafts on both sides are rotatably connected with threaded button wheels. And then drive the removal of upper mounting panel and lower mounting panel, adjust the height of pipeline to the regulation mode is simple.
Description
Technical Field
The invention relates to the technical field of pipeline installation, in particular to a high-efficiency anti-loosening supporting and lifting device for pipeline installation and adjustment.
Background
A pipeline is a device for transporting a gas, liquid or fluid with solid particles, connected by pipes, pipe couplings, valves, etc. Generally, a fluid is pressurized by a blower, a compressor, a pump, a boiler, etc., and then flows from a high pressure portion to a low pressure portion of a pipe, or is transported by the pressure or gravity of the fluid itself. The use of pipelines is very widespread, mainly in water supply, drainage, heating, gas supply, long-distance oil and gas delivery, agricultural irrigation, hydraulic engineering and various industrial installations.
The pipeline is installed at underground and wall roof portion more, need use the structure of hoist and mount to fix it when installing on roof and wall, but the fixed structure and the function of hanging a structure of pipeline on the existing market are all comparatively simple, and can produce after long-time use not hard up, there is the possibility that drops even, and the structure is just can't be adjusted once more after accomplishing the pipeline installation to current hanging a structure, and current hanging a structure can't satisfy when using and fix the pipeline of not unidimensional, and the scope of application is less.
Therefore, there is a need for an efficient anti-loosening support device for pipeline installation and adjustment to improve the above problems.
Disclosure of Invention
The invention aims to provide an efficient anti-loosening supporting and hanging device for pipeline installation and adjustment, and aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a high-efficiency anti-loosening supporting and hanging device for pipeline installation and adjustment comprises a top plate and a bottom plate, wherein both sides of the upper surface of the top plate are rotatably connected with connecting rings, the upper ends of the connecting rings are provided with fixing structures, both sides between the top plate and the bottom plate are fixedly connected with supporting columns, an upper mounting plate and a lower mounting plate are respectively arranged between the upper mounting plates and the lower mounting plates in a penetrating manner, the middle parts of the supporting columns on both sides are provided with connecting shafts, both ends of the connecting shafts on both sides are rotatably connected with threaded button wheels, the number of the threaded button wheels on both ends is four, the threaded button wheels on both ends are respectively rotatably connected with the supporting columns on both sides, the upper ends and the lower ends of the supporting columns on both sides are respectively provided with a second sliding groove, a lead screw is arranged in each second sliding groove, one end of each lead screw is respectively fixedly connected with each threaded button wheel, and both sides of each second sliding groove are respectively provided with a first sliding groove, every equal threaded connection in the outside of lead screw has slider one, and every the both sides of slider one pass spout one respectively with last mounting panel and lower mounting panel fixed connection, go up the mounting panel and all seted up fluting with the adjacent one side of lower mounting panel, every the equal fixedly connected with spliced pole in grooved inside, every the outside of spliced pole all runs through and is provided with slider two, slider two is provided with four altogether, every slider two and upper and lower both ends equal fixedly connected with spring between grooved inside one side, and every the equal fixedly connected with clamp splice in one side of slider two, be provided with the pipeline between the clamp splice.
As a preferable scheme of the invention, the fixing structure comprises a thread block, the thread block is in threaded connection with the connecting ring, the upper end of the thread block is fixedly connected with a connecting rod, the upper end of the connecting rod is fixedly connected with a threaded rod, the outer side of the threaded rod is in threaded connection with a connecting cylinder, the upper end of the threaded rod is fixedly connected with a top block, the outer side of the connecting rod is fixedly connected with a plurality of connecting wheels, the lower side of each connecting wheel is provided with a connecting sheet, the side surface of the connecting cylinder is provided with a groove in a penetrating manner by taking the center of the connecting rod as a circle center, a supporting plate is arranged inside each groove, and one side inside each supporting plate is fixedly connected with a convex block.
As the preferable scheme of the invention, the middle part of each connecting wheel is provided with an arc groove.
As a preferable scheme of the present invention, each of the abutting plates is rotatably connected to each of the grooves, and the size of the abutting plate is smaller than the inner size of the groove.
As a preferable scheme of the present invention, the cross section of each of the bumps is a right trapezoid, and the thickness of the upper end of each of the bumps is smaller than that of the lower end thereof.
As a preferable scheme of the invention, each clamping block is provided with an arc-shaped groove, and the surface of each arc-shaped groove is fixedly connected with a rubber layer.
As a preferable scheme of the invention, one end of the screw rod is rotatably connected with one side of the inner part of the second sliding groove.
In a preferred embodiment of the present invention, the horizontal cross-sectional dimension of the connecting piece is the same as the horizontal cross-sectional dimension of the interior of the connecting cylinder.
Compared with the prior art, the invention has the beneficial effects that:
1. the device can keep the stability of the device under long-time use without looseness by arranging the fixing structure, and after the device is installed, the screw can be driven to rotate by rotating the threaded button wheel, so that the first sliding block is driven to lift in the second sliding groove, the upper mounting plate and the lower mounting plate are driven to move, the height of the pipeline is adjusted, the adjusting mode is simple,
2. according to the device, the fixing structure is arranged, when the device is installed, the connecting cylinder is inserted into the reserved hole, then the connecting rod is driven to rotate through rotating the threaded block, so that the threaded rod and the connecting cylinder move relatively, the connecting wheel and the connecting sheet descend, the connecting wheel descends and can be contacted with the convex block on the inner side of the abutting plate, in the descending process, the abutting plate rotates relatively in the groove through the abutting convex block, the lower end outer pry of the abutting plate is abutted against the four sides of the reserved hole, the fixing structure is fixed in the reserved hole, when the device needs to be disassembled, opposite operation is carried out, and the fixing structure can be conveniently disassembled;
3. according to the clamping device, when the pipeline is clamped, the pipeline can respectively apply pressure to the four clamping blocks, so that the four clamping blocks move, each clamping block applies pressure to the spring, and then receives a reaction force applied by the spring to clamp and fix the pipeline, and compared with the existing supporting and hanging devices, the clamping device can be suitable for clamping pipelines with different sizes.
Drawings
FIG. 1 is a perspective view from a first perspective of the present invention;
FIG. 2 is a perspective view from a second perspective of the present invention;
FIG. 3 is a perspective view from a third perspective of the present invention;
FIG. 4 is a cross-sectional view of the present invention;
FIG. 5 is a perspective view of a fixing structure according to the present invention;
FIG. 6 is an enlarged view taken at A of FIG. 4 in accordance with the present invention;
FIG. 7 is an enlarged view taken at B of FIG. 4 in accordance with the present invention;
fig. 8 is a perspective view of the fifth wheel of the present invention.
In the figure: the connecting structure comprises a top plate 1, a bottom plate 2, a supporting column 3, an upper mounting plate 4, a lower mounting plate 5, a pipeline 6, a first sliding groove 7, a threaded button wheel 8, a connecting ring 9, a fixing structure 10, a threaded block 101, a connecting rod 102, a resisting plate 103, a connecting cylinder 104, a connecting sheet 105, a connecting wheel 106, an arc groove 1061, a convex block 107, a top block 108, a threaded rod 109, a groove 1010, a clamping block 11, a second sliding groove 12, a first sliding block 13, a groove 14, a lead screw 15, a connecting column 16, a connecting shaft 17, a rubber layer 18, a spring 19, a second sliding block 20 and an arc groove 21.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Several embodiments of the invention are presented. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1-8, the present invention provides a technical solution:
Example 2, referring to fig. 1, 4, 5, 6, and 8, two sides of the upper surface of a top plate 1 are rotatably connected with a connecting ring 9, the upper ends of the connecting rings 9 are provided with a fixing structure 10, two sides between the top plate 1 and a bottom plate 2 are fixedly connected with supporting columns 3, an upper mounting plate 4 and a lower mounting plate 5 are respectively arranged between the two upper mounting plates 4, the middle parts of the supporting columns 3 are provided with a connecting shaft 17, two ends of the connecting shaft 17 are rotatably connected with threaded button wheels 8, the number of the threaded button wheels 8 is four, the threaded button wheels 8 at two ends are respectively rotatably connected with the supporting columns 3 at two sides, the upper and lower ends of the inner part of the supporting columns 3 at two sides are respectively provided with a sliding groove two 12, a lead screw 15 is arranged inside each sliding groove two 12, one end of each lead screw 15 is respectively fixedly connected with each threaded button wheel 8, and two sides of each sliding groove two 12 are respectively provided with a sliding groove one 7, the outer side of each lead screw 15 is in threaded connection with a first slider 13, two sides of each first slider 13 respectively penetrate through a first sliding groove 7 to be fixedly connected with the upper mounting plate 4 and the lower mounting plate 5, one adjacent side of the upper mounting plate 4 and the lower mounting plate 5 is provided with a slot 14, the inside of each slot 14 is fixedly connected with a connecting column 16, the outer side of each connecting column 16 is provided with a second slider 20 in a penetrating manner, four sliders 20 are arranged, a spring 19 is fixedly connected between each second slider 20 and one inner side of the slots 14 at the upper end and the lower end, one side of each second slider 20 is fixedly connected with a clamping block 11, a pipeline 6 is arranged between the clamping blocks 11, the fixed structure 10 comprises a thread block 101, the thread block 101 is in threaded connection with the connecting ring 9, the upper end of the thread block 101 is fixedly connected with a connecting rod 102, the upper end of the connecting rod 102 is fixedly connected with a threaded rod 109, the outer side of the threaded rod 109 is in threaded connection with a connecting cylinder 104, the upper end of the threaded rod 109 is fixedly connected with a top block 108, the outer side of the connecting rod 102 is fixedly connected with a plurality of connecting wheels 106, the lower side of each connecting wheel 106 is provided with a connecting sheet 105, the side surface of the connecting cylinder 104 is provided with a groove 1010 in a circumferential array by taking the center of the connecting rod 102 as a circle center, the inside of each groove 1010 is provided with a resisting plate 103, one side of the inside of each resisting plate 103 is fixedly connected with a lug 107, the middle part of each connecting wheel 106 is provided with an arc groove 1061, the cross section of each lug 107 is in a right trapezoid shape, the thickness of the upper end of each lug 107 is smaller than that of the lower end of the lug, the horizontal cross section of the connecting sheet 105 is the same as that of the inside of the connecting cylinder 104, the connecting cylinder 104 is inserted into a reserved hole, and then the connecting rod 102 is driven to rotate by rotating the threaded block 101, thereby threaded rod 109 and connecting cylinder 104 take place relative movement, make fifth wheel 106 and connection piece 105 descend, fifth wheel 106 descends and can contact with the inboard lug 107 of resisting board 103, in the in-process that descends, make resisting board 103 rotate relatively in the inside of recess 1010 through pressing lug 107, the outer sled of lower extreme of resisting board 103 is contradicted with four sides of reservation hole, thereby make fixed knot construct 10 fix the inside at the reservation hole, when needs are dismantled, carry out opposite operation, can exert an ascending power to the lower extreme of lug 107 through connection piece 105, make the inside of recess 1010 is accomodate to resisting board 103, conveniently take connecting cylinder 104 out, can carry out convenient dismantlement to fixed knot constructs.
In embodiment 3, referring to fig. 7, each clamping block 11 is provided with an arc-shaped groove 21, the surface of each arc-shaped groove 21 is fixedly connected with a rubber layer 18, and the rubber layer 18 is arranged to stabilize the clamping effect on the pipeline 6.
The working principle is as follows: when in use, the fixing structure 10 is installed in the reserved hole, specifically, the connecting cylinder 104 is inserted into the reserved hole, then the connecting rod 102 is driven to rotate by rotating the threaded block 101, so that the threaded rod 109 and the connecting cylinder 104 move relatively, the connecting wheel 106 and the connecting sheet 105 descend, the connecting wheel 106 descends to contact with the convex block 107 on the inner side of the resisting plate 103, in the descending process, the resisting plate 103 rotates relatively in the groove 1010 by resisting and pressing the convex block 107, the outer pry of the lower end of the resisting plate 103 is abutted against the four sides of the reserved hole, so that the fixing structure 10 is fixed in the reserved hole, when in need of disassembly, opposite operation is performed, an upward force can be applied to the lower end of the convex block 107 through the connecting sheet 105, so that the resisting plate 103 is accommodated in the groove 1010, the connecting cylinder 104 is convenient to be taken out, and the fixing structure can be disassembled conveniently at any time, by rotating the connecting rings 9 on the top plate 1, the connecting rings 9 on two sides are in threaded connection with the fixed structure 10, then, a pipeline is inserted between the four clamping blocks 11, when the pipeline is inserted, the pipeline 6 can respectively apply pressure to the four clamping blocks 11, so that the four clamping blocks 11 move, each clamping block applies pressure to the spring 19, so that a reaction force applied by the spring 19 is received, the pipeline 6 is clamped and fixed, the pipeline clamping device can be suitable for clamping and fixing pipelines with different sizes, and after the pipeline is fixed, if the pipeline is not level with other pipelines or is not on the same plane, the threaded button wheel 8 can be rotated to drive the screw rod 15 to rotate, so that the first sliding block 13 is driven to lift in the second sliding groove 12, the upper mounting plate 4 and the lower mounting plate 5 are driven to move, and the height of the pipeline 6 is adjusted, and the adjustment mode is simple.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a pipeline installation is adjusted with high-efficient locking lifting device, includes roof (1) and bottom plate (2), its characterized in that: the upper surface of the top plate (1) is rotatably connected with connecting rings (9) on two sides, the upper ends of the connecting rings (9) on two sides are respectively provided with a fixing structure (10), supporting columns (3) are fixedly connected with two sides between the top plate (1) and the bottom plate (2), an upper mounting plate (4) and a lower mounting plate (5) are respectively arranged between the upper mounting plates (4) on two sides in a penetrating manner, connecting shafts (17) are respectively arranged in the middle parts of the supporting columns (3) on two sides, threaded button wheels (8) are respectively rotatably connected with two ends of the connecting shafts (17) on two sides, the threaded button wheels (8) are respectively arranged on four sides, the threaded button wheels (8) are respectively rotatably connected with the supporting columns (3) on two sides, two sliding grooves (12) are respectively arranged at the upper end and the lower end of the supporting columns (3) on two sides, and a lead screw (15) is arranged in each sliding groove (12), one end of each lead screw (15) is fixedly connected with each thread button wheel (8) respectively, two sides of each sliding groove II (12) are respectively provided with a sliding groove I (7), the outer side of each lead screw (15) is in threaded connection with a sliding block I (13), two sides of each sliding block I (13) respectively penetrate through the sliding groove I (7) to be fixedly connected with an upper mounting plate (4) and a lower mounting plate (5), one adjacent side of the upper mounting plate (4) and the lower mounting plate (5) is provided with a groove (14), the inner part of each groove (14) is fixedly connected with a connecting column (16), the outer side of each connecting column (16) is provided with a sliding block II (20) in a penetrating way, the number of the sliding blocks II (20) is four, and a spring (19) is fixedly connected between each sliding block II (20) and one inner side of the groove (14) at the upper end and the lower end, and one side of each second sliding block (20) is fixedly connected with a clamping block (11), and a pipeline (6) is arranged between the clamping blocks (11).
2. The efficient anti-loosening supporting and hanging device for pipeline installation and adjustment as claimed in claim 1, wherein: the fixing structure (10) comprises a thread block (101), the thread block (101) is in threaded connection with the connecting ring (9), the upper end of the thread block (101) is fixedly connected with a connecting rod (102), the upper end of the connecting rod (102) is fixedly connected with a threaded rod (109), the outer side of the threaded rod (109) is connected with a connecting cylinder body (104) in a threaded manner, the upper end of the threaded rod (109) is fixedly connected with a top block (108), the outer side of the connecting rod (102) is fixedly connected with a plurality of connecting wheels (106), and the lower side of each connecting wheel (106) is provided with a connecting sheet (105), the side surface of the connecting cylinder body (104) is provided with a groove (1010) in a penetrating way in a circumferential array by taking the center of the connecting rod (102) as the circle center, and a supporting plate (103) is arranged inside each groove (1010), and a convex block (107) is fixedly connected to one side inside each supporting plate (103).
3. The efficient anti-loosening supporting and hanging device for pipeline installation and adjustment as claimed in claim 2, wherein: the middle part of each connecting wheel (106) is provided with an arc groove (1061).
4. The efficient anti-loosening supporting and hanging device for pipeline installation and adjustment as claimed in claim 2, wherein: each abutting plate (103) is rotatably connected with each groove (1010), and the size of each abutting plate (103) is smaller than the inner size of each groove (1010).
5. The efficient anti-loosening supporting and hanging device for pipeline installation and adjustment as claimed in claim 2, wherein: the cross section of each bump (107) is a right trapezoid, and the thickness of the upper end of each bump (107) is smaller than that of the lower end thereof.
6. The efficient anti-loosening supporting and hanging device for pipeline installation and adjustment as claimed in claim 1, wherein: arc-shaped grooves (21) are formed in each clamping block (11), and rubber layers (18) are fixedly connected to the surfaces of the arc-shaped grooves (21).
7. The efficient anti-loosening supporting and hanging device for pipeline installation and adjustment as claimed in claim 1, wherein: one end of the screw rod (15) is rotatably connected with one side of the inner part of the second sliding groove (12).
8. The efficient anti-loosening supporting and hanging device for pipeline installation and adjustment as claimed in claim 2, wherein: the horizontal cross-sectional dimension of the connecting piece (105) is the same as the internal horizontal cross-sectional dimension of the connecting cylinder (104).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110591629.8A CN113339591A (en) | 2021-05-28 | 2021-05-28 | Pipeline installation is adjusted with high-efficient locking lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110591629.8A CN113339591A (en) | 2021-05-28 | 2021-05-28 | Pipeline installation is adjusted with high-efficient locking lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113339591A true CN113339591A (en) | 2021-09-03 |
Family
ID=77472014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110591629.8A Withdrawn CN113339591A (en) | 2021-05-28 | 2021-05-28 | Pipeline installation is adjusted with high-efficient locking lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113339591A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114012074A (en) * | 2021-11-08 | 2022-02-08 | 安徽百思特机械科技有限公司 | Shedder for gearbox housing |
| CN115059826A (en) * | 2022-05-31 | 2022-09-16 | 江苏铀力电气有限公司 | Light anti-seismic support hanger for building based on BIM design |
| CN115306978A (en) * | 2022-10-11 | 2022-11-08 | 江苏鸿承机电设备有限公司 | Spring antidetonation gallows based on direction is adjusted |
-
2021
- 2021-05-28 CN CN202110591629.8A patent/CN113339591A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114012074A (en) * | 2021-11-08 | 2022-02-08 | 安徽百思特机械科技有限公司 | Shedder for gearbox housing |
| CN115059826A (en) * | 2022-05-31 | 2022-09-16 | 江苏铀力电气有限公司 | Light anti-seismic support hanger for building based on BIM design |
| CN115306978A (en) * | 2022-10-11 | 2022-11-08 | 江苏鸿承机电设备有限公司 | Spring antidetonation gallows based on direction is adjusted |
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Application publication date: 20210903 |
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