CN113566022B - Auxiliary device for installing chemical pipeline - Google Patents
Auxiliary device for installing chemical pipeline Download PDFInfo
- Publication number
- CN113566022B CN113566022B CN202110949560.1A CN202110949560A CN113566022B CN 113566022 B CN113566022 B CN 113566022B CN 202110949560 A CN202110949560 A CN 202110949560A CN 113566022 B CN113566022 B CN 113566022B
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- Prior art keywords
- clamping
- pipeline
- actuating part
- rotating shaft
- auxiliary device
- Prior art date
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- 239000000126 substance Substances 0.000 title claims abstract description 31
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 238000009434 installation Methods 0.000 claims abstract description 7
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000001154 acute effect Effects 0.000 claims description 3
- 239000004033 plastic Substances 0.000 description 8
- 229920003023 plastic Polymers 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229920001971 elastomer Polymers 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000005060 rubber Substances 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 229910001018 Cast iron Inorganic materials 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- -1 polyethylene Polymers 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910052755 nonmetal Inorganic materials 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- 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
Abstract
The present disclosure relates to an auxiliary device for chemical pipeline installation, comprising: the base body is provided with a hollowed-out part which is convenient for a pipeline to pass through; the clamping mechanism comprises a first actuating part and a second actuating part which are respectively arranged on two sides of the hollowed-out part and have the same structure, the first actuating part and the second actuating part are configured to form a clamping space right above the hollowed-out part so as to clamp the pipeline passing through the hollowed-out part, the first actuating part and the second actuating part respectively comprise a first rotating shaft which is connected between two bearing seats and bearings, a clamping piece is arranged on the first rotating shaft, and the clamping piece of the first actuating part and the clamping piece of the second actuating part can act in opposite directions at a first preset angle relative to the vertical direction so as to clamp the pipeline. The auxiliary device for installing the chemical pipeline can prevent the pipeline from being damaged or hidden from being cracked due to excessive clamping to the greatest extent when the chemical pipeline is installed.
Description
Technical Field
The invention relates to a tool for installing a pipeline, in particular to an auxiliary device for installing a chemical pipeline.
Background
The chemical pipeline and the valve are indispensable components in chemical production and are ties of various chemical equipment. The chemical pipe is divided into different types according to the material quality: metal tubes and non-metal tubes. Common metal tubes are cast iron tubes, seamed steel tubes, seamless steel tubes, copper tubes, aluminum tubes, and lead tubes. The non-metal pipe mainly comprises a plastic pipe, a glass pipe, a ceramic pipe and a cement pipe. Among them, for metal pipes, cast iron pipes and seamless steel pipes are used in a large number in view of cost. Cast iron pipes and seamless steel pipes have the advantages of high temperature resistance and high strength, but generally have poor corrosion resistance and cannot be qualified for transporting corrosive chemical materials. For non-metallic pipes, plastic pipes and rubber pipes are typical. Among the most commonly used plastic pipes at present are hard polyvinyl chloride pipe, soft polyvinyl chloride pipe, polyethylene pipe, polypropylene pipe, and surface-sprayed polyolefin, polytrifluoroethylene, etc. While rubber tubes are commonly made of natural rubber or synthetic rubber. Among them, plastic pipes have the advantages of good corrosion resistance, light weight, convenient molding, easy processing, low strength and poor heat resistance. The rubber tube has the advantages of better corrosion resistance, light weight, good plasticity, flexible and convenient installation and disassembly, and the disadvantage of being only suitable for occasions with low pressure requirements. Thus, the use of plastic pipes has still great advantages and versatility compared to plastic pipes and rubber pipes only. However, due to the disadvantage of the plastic pipe that the strength is low, the installation of the chemical pipeline made of plastic in the industry is still relatively troublesome, and no suitable tool is used to avoid the pipeline damage or invisible damage in the installation process. Especially for invisible damage which may occur in later stage, the hidden damage is likely to cause potential safety hazards.
Disclosure of Invention
In view of the above problems in the prior art, an object of the present invention is to provide an auxiliary device for installing chemical pipelines, which is applicable to laying and installing chemical pipelines with low material strength.
In order to achieve the above object, the present invention provides an auxiliary device for installing a chemical pipeline, comprising:
the base body is provided with a hollowed-out part which is convenient for a pipeline to pass through;
the clamping mechanism comprises a first actuating part and a second actuating part which are respectively arranged on two sides of the hollowed-out part and have the same structure, the first actuating part and the second actuating part are configured to form a clamping space right above the hollowed-out part so as to clamp the pipeline passing through the hollowed-out part, the first actuating part and the second actuating part respectively comprise a first rotating shaft which is connected between two bearing seats and bearings, a clamping piece is arranged on the first rotating shaft, and the clamping piece of the first actuating part and the clamping piece of the second actuating part can act in opposite directions at a first preset angle relative to the vertical direction so as to clamp the pipeline.
Preferably, the clamping member of the first actuating portion and the clamping member of the second actuating portion are configured to have an arcuate surface on a side surface thereof in contact with the pipe when the clamping members are operated in a direction opposite to each other.
Preferably, the arc-shaped surface is provided with a clamping groove with an arc matched with the arc-shaped surface along the tangential direction of the arc-shaped surface, and the pipeline is at least partially positioned in the clamping groove when the clamping operation is performed.
Preferably, a plurality of ratchets perpendicular to the clamping groove are also formed on the arc-shaped surface.
Preferably, the first preset angle is an acute angle and is between 30 ° and 60 °.
Preferably, the two ends of the clamping piece opposite to the first rotating shaft are respectively configured to be clamping ends with the arc-shaped surface and an extension part for facilitating the stepping operation.
Preferably, a pedal for facilitating stepping is arranged on the extension part.
Preferably, the pedal extends along the length direction of the extension portion, and one end at least covers part of the clamping end, and the other end at least extends out of the extension portion.
Preferably, the base body includes a supporting portion and an assembling bearing platform configured on the supporting portion, and the bearing seat is disposed on the assembling bearing platform.
Preferably, the first rotating shaft is provided with second cranks in a penetrating manner on two sides of the clamping piece, a second shaft hole parallel to the first rotating shaft is formed in the end portion, close to the clamping end, of the first rotating shaft, and the free end of the second crank is connected with the second rotating shaft penetrating through the second shaft hole.
The auxiliary device for installing the chemical pipeline can clamp and fix the pipeline by manually operating the first actuating part and the second actuating part when the chemical pipeline is installed, particularly for the pipeline with lower material strength, so that the installation is convenient. Relatively, the manual control clamping force way can avoid the pipeline to the maximum extent because damage or dark crack are triggered to excessive clamping when guaranteeing stable fixed.
Drawings
Fig. 1 is a schematic perspective view of an auxiliary device for installing a chemical pipeline according to the present invention.
Fig. 2 is a schematic structural view of a fixing base of an auxiliary device for installing a chemical pipeline when a pipe is released.
Fig. 3 is a schematic structural view of a fixing base of an auxiliary device for installing a chemical pipeline when clamping a pipe.
Fig. 4 is a schematic perspective view of a fixing base of an auxiliary device for installing a chemical pipeline.
Fig. 5 is another perspective view (partially exploded view) of a fixing base of an auxiliary device for installing a chemical pipeline according to the present invention.
Fig. 6 is a schematic perspective view of a fixing base of an auxiliary device for installing a chemical pipeline, when clamping a pipe.
Fig. 7 is a schematic structural view of an auxiliary bracket of an auxiliary device for installing a chemical pipeline.
The main reference numerals:
the device comprises a base body, a clamping mechanism, a 3-linkage mechanism, a 4-hollowed-out part, a 5-pipeline, a 6-auxiliary bracket and a 7-reset spring, wherein the clamping mechanism is arranged on the base body; 11-a support; 12-assembling bearing platforms, 13-clamping platforms and 20-clamping spaces; 21-a first actuation portion; 22-a second actuating portion; 31-bearing seats; 32-bearings; 33-a first spindle; 34-a first crank; 35-a second crank; 36-connecting rod; 37-a second spindle; 61-a confinement ring; 62-supporting rods; 63-dynamic supporting mechanism, 221-pedal, 222-clamping piece, 611-first ring body, 612-second ring body, 631-first auxiliary connecting rod, 632-main driving connecting rod, 633-second auxiliary connecting rod, 2221-clamping groove, 2222-ratchet, 2223-extension part, 2224-first shaft hole, 2225-second shaft hole, 6331-sleeve, 6332-telescopic rod.
Detailed Description
The present invention will be described in detail below with reference to the drawings and detailed description to enable those skilled in the art to better understand the technical scheme of the present invention.
Various aspects and features of the present invention are described herein with reference to the accompanying drawings.
These and other characteristics of the invention will become apparent from the following description of a preferred form of embodiment, given as a non-limiting example, with reference to the accompanying drawings.
It is also to be understood that, although the invention has been described with reference to some specific examples, a person skilled in the art will certainly be able to achieve many other equivalent forms of the invention, having the characteristics as set forth in the claims and hence all coming within the field of protection defined thereby.
The above and other aspects, features and advantages of the present invention will become more apparent in light of the following detailed description when taken in conjunction with the accompanying drawings.
As shown in fig. 2 to 5, an auxiliary device for installing a chemical pipeline according to an embodiment of the present invention includes: the base comprises a base body 1, wherein a hollowed-out part 4 which is convenient for a pipeline 5 to pass through is formed on the base body 1; the hollowed-out part 4 is only convenient for the pipeline 5 to continue to extend to the downward installation space, and does not participate in clamping in practice. In the present invention, the clamping mechanism 2 is needed to perform the installation work, as shown in fig. 4 to 5, the clamping mechanism 2 may specifically include a first actuating portion 21 and a second actuating portion 22 that are respectively located on two sides of the hollow portion 4 and have the same structure, and the first actuating portion 21 and the second actuating portion 22 that have the same structure ensure that operators on two opposite sides form a uniform clamping force on two opposite sides of the pipe 5, and form a clamping space 20 directly above the hollow portion 4 to clamp the pipe 5 passing through the hollow portion 4. Further, specifically, the first actuating portion 21 and the second actuating portion 22 may include two opposite bearing seats 31, and a first rotating shaft 33 connected between the two bearing seats 31 through a bearing 32, a clamping member 222 is integrally rotatably provided on the first rotating shaft 33, and the clamping members of the first actuating portion 21 and the second actuating portion 22 may be moved toward each other at a first predetermined angle with respect to a vertical direction to clamp the pipe. The magnitude of this first preset angle depends on the diameter of the pipe 5 to which the auxiliary device of the invention is adapted, but is not set too large in view of the clamping effect, and is therefore preferably an acute angle, and the angle is between 30 ° and 60 °. Also in view of the clamping effect, as shown in fig. 4, in some embodiments, the clamping member of the first actuating portion 21 and the clamping member of the second actuating portion 22 are configured to be identical to each other when the clamping operation is performed by the opposite movement, but the clamping member 222 of the second actuating portion 22 is illustrated. Which is configured as an arc-shaped surface on the side which contacts the pipe 5. In a further preferred embodiment, as shown in the drawing, the arc surface is tangentially provided with a clamping groove 2221 with an arc matching with the arc surface, and the clamping groove 2221 can enable the pipeline to be at least partially positioned in the clamping groove 2221 to prevent slipping when the clamping operation is performed. In addition, a plurality of ratchets 2222 perpendicular to the clamping groove 2221 are also configured on the arc surface, so as to further improve the anti-slip effect.
In addition, in the above application of the present invention, when performing the clamping operation, the constructors on both sides can press the clamping member against the tool at the time of the clamping operation, but in consideration of the actual human perception force factor, it is preferable to directly operate the clamping member with hands or feet. For this purpose, as shown in fig. 4, the two ends of the clamping member 222 opposite to the first rotating shaft 33 are preferably configured to have clamping ends (not shown) with the arc surfaces, and an extension portion 2223 for facilitating the stepping operation. In this way, the constructor only needs to apply force to the clamping end or the extension portion 2223 with his or her foot, respectively, so as to implement the operation of the clamping member 222. Meanwhile, as a further improvement, the extended portion 2223 may be further provided with a pedal 221 for easy stepping. The pedal 221 extends in the longitudinal direction of the extension 2223, and has one end covering at least a portion of the clamping end and the other end extending out of at least the extension. More convenient for the foot operation of operators. On this basis, fig. 6 shows another modification of this solution, in which, considering that the operator needs to apply a force to the gripping end continuously while clamping is being performed, fatigue or force misalignment may occur if the duration is long. Therefore, as shown in fig. 6, the base body 1 may be configured to include a supporting portion 11 and an assembling table 12 configured on the supporting portion 11, and the above embodiment may be applied, and the bearing housing 31 is disposed on the assembling table 12. However, in this application, a clamping table 13 located directly below the pedal 221 may be further provided on the supporting portion 11 between the assembly platforms, and a return spring 7 is provided on the clamping table 13, and the return spring 7 is used to keep the pedal 221 in a clamped state. This means that the return spring 7 provides an initial proper pre-tightening force, at which time in the clamped state the clamping can be achieved with only a small pedaling force by the constructor. When the release is needed, the pedal at the corresponding position of the extension part 2223 is only needed to be lightly stepped to complete the release.
For the above various embodiments, there may also be a problem in that, although the clamp 222 is integrally rotatably provided on the first rotation shaft 33, a slip risk of relative rotation or stress concentration may still occur inevitably for a pipe requiring a large clamping force. Therefore, as a further improvement, as shown in fig. 2 to 6, the first rotating shaft 33 is provided with second cranks 35 respectively on two sides of the clamping piece 222, the end portion near the clamping end is provided with a second shaft hole 2225 parallel to the first rotating shaft, and the free end of the second crank 35 is connected with a second rotating shaft 37 passing through the second shaft hole 2225. In this way, by applying a force to the clamping end, clamping can be achieved relatively stably.
As can also be seen with reference to fig. 2 to 6, in the above-described application of the present invention, the first and second actuating portions 21 and 22 are required to be operated simultaneously by two constructors. In addition to the possibility of wasting manpower, the problem of inconsistent force application between two persons or asynchronous timing can occur. For this purpose, as shown in the drawing, in the present invention, a linking mechanism 3 may be further included, the linking mechanism 3 being configured to link the first actuating portion 21 and the second actuating portion 22. In other words, the operator on the side of the first actuating portion 21 or the side of the second actuating portion 22 can operate the clamp to move the two members toward each other in a interlocked manner, thereby realizing the clamping. Specifically, the linkage mechanism 3 includes first cranks 34 respectively provided at both ends of the first rotating shaft 33, the first cranks are integrally rotated with the first rotating shaft, and free ends of the first cranks corresponding to the first actuating portion 21 and the first cranks corresponding to the second actuating portion are connected by a connecting rod 36 to constitute a crank-connecting rod mechanism. In addition, it should be noted that, in consideration of the transmission characteristics of the crank-link mechanism and the pipe clamping effect, in the present invention, as shown in fig. 2 and 3, an included angle b is formed between the first crank and the second crank corresponding to the first actuating portion 21, an included angle a is formed between the first crank and the second crank corresponding to the second actuating portion 21, the included angle b is between 30 ° and 40 °, and the included angle a is complementary to the included angle b.
In addition, it is also possible to note that in the example of fig. 1 and 7 of the present invention, an auxiliary support 6 is also disclosed, which auxiliary support 6 in the present invention does not actually clamp the pipe 5, but merely ensures that it is restrained in the vertical direction against tipping. As shown in fig. 1 and 7, the auxiliary support comprises at least one constraint ring 61 sleeved on the pipe 5, a plurality of support rods 62 forming an included angle with the pipe 5 to form a support are uniformly distributed on the periphery of the constraint ring 61, and the constraint ring 61 is formed by mutually buckling semicircular members, in the drawings, a first ring body 611 and a second ring body 622 are respectively sleeved on the pipe 5, so that the auxiliary support is convenient to assemble and disassemble. In addition, in this application, in view of the complexity of the construction environment, it is preferable that the angle between the support rod 62 and the pipe 5 is dynamically adjustable, for this purpose, in a further improvement, the constraint ring 61 is preferably provided with two, and further includes a dynamic support mechanism 63, and the dynamic support mechanism 63 specifically includes a first sub-link 631, a main driving rod 632 and a second sub-link 633 hinged together at ends, and the main driving rod 632 is provided with an electronically controlled cylinder 6321, the output end of the electronically controlled cylinder 6321 applies force to the hinge point of the three, the free end of the first sub-link 631 is hinged to the approximately middle part of the support rod 62, the free end of the main driving rod 632 is hinged to the constraint ring 61 located below, and the second sub-link 633 is configured as a telescopic rod including a sleeve 6331 hinged to the constraint ring 61 located above and a telescopic rod 6332 sleeved on the sleeve 6331, and the telescopic rod is actually connected to the hinge point of the three. By the actuation of the electric control cylinder 6321, the length of the second sub-link 633 is changed, and at the same time, the angle between the support rod 62 and the duct 5 is changed, so that a more flexible supporting space is formed.
The above embodiments are only exemplary embodiments of the present invention and are not intended to limit the present invention, the scope of which is defined by the claims. Various modifications and equivalent arrangements of this invention will occur to those skilled in the art, and are intended to be within the spirit and scope of the invention.
Claims (7)
1. An auxiliary device for chemical pipeline installation, comprising:
the base body is provided with a hollowed-out part which is convenient for a pipeline to pass through;
the clamping mechanism comprises a first actuating part and a second actuating part which are respectively arranged at two sides of the hollowed-out part and have the same structure, the first actuating part and the second actuating part are configured to form a clamping space right above the hollowed-out part so as to clamp the pipeline passing through the hollowed-out part, the first actuating part and the second actuating part respectively comprise a first rotating shaft which is connected between two bearing seats and bearings, the first rotating shaft is provided with a clamping piece, and the clamping piece of the first actuating part and the clamping piece of the second actuating part can act oppositely at a first preset angle relative to the vertical direction so as to clamp the pipeline; the clamping piece is respectively configured to be a clamping end with an arc surface and an extension part which is convenient for treading operation relative to two ends of the first rotating shaft, the extension part is provided with a pedal which is convenient for treading, the base body comprises a supporting part and an assembly bearing platform which is configured on the supporting part, and the bearing seat is arranged on the assembly bearing platform; a clamping table positioned right below the pedal can be further arranged on the supporting part between the assembly bearing platforms, and a return spring is arranged on the clamping table and is configured to enable the pedal to be in a clamping state continuously;
the auxiliary support comprises at least one constraint ring which is arranged on the pipeline and does not clamp the pipeline, a plurality of support rods which form included angles with the pipeline to form a support are uniformly distributed on the periphery of the constraint ring, and the constraint ring is formed by mutually buckling semicircular ring members;
the two constraint rings are arranged, and the dynamic support mechanism further comprises a first auxiliary connecting rod, a main driving rod and a second auxiliary connecting rod, wherein the end parts of the first auxiliary connecting rod, the main driving rod and the second auxiliary connecting rod are hinged together, an electric control cylinder is arranged on the main driving rod, the output end of the electric control cylinder applies force to the hinge points of the first auxiliary connecting rod, the free end of the first auxiliary connecting rod is hinged with the approximately middle part of the supporting rod, the free end of the main driving rod is hinged with the constraint ring with the lower relative position, the second auxiliary connecting rod is configured as a telescopic rod, the telescopic rod comprises a sleeve pipe hinged with the constraint ring which is relatively arranged above and a telescopic rod sleeved with the sleeve pipe, and the telescopic rod is connected to the hinge points of the three parts; through the action of the electric control cylinder, the length of the second auxiliary connecting rod is changed, and meanwhile, the included angle between the supporting rod and the pipeline is changed, so that an adjustable supporting space is formed.
2. The auxiliary device for installing chemical pipelines according to claim 1, wherein the clamping member of the first actuating part and the clamping member of the second actuating part are configured to be in contact with the pipeline on one side to form the arc surface when the clamping members are operated in opposite directions.
3. An auxiliary device for installing a chemical pipeline according to claim 2, wherein the arc-shaped surface is provided with a clamping groove with an arc-shaped surface along a tangential direction, and the pipeline is at least partially positioned in the clamping groove when the clamping operation is performed.
4. An auxiliary device for installing a chemical pipeline as claimed in claim 3, wherein a plurality of ratchets perpendicular to the clamping grooves are also formed on the arc-shaped surface.
5. The auxiliary device for installing chemical pipelines according to claim 1, wherein the first preset angle is an acute angle and is between 30 and 60 degrees.
6. An auxiliary device for installing a chemical pipeline according to claim 1, wherein the pedal extends along the length direction of the extension portion, one end of the pedal covers at least part of the clamping end, and the other end of the pedal extends out of at least the extension portion.
7. The auxiliary device for installing the chemical pipeline according to claim 1, wherein second cranks are respectively arranged on two sides of the clamping piece in a penetrating manner on the first rotating shaft, a second shaft hole parallel to the first rotating shaft is formed in the end part, close to the clamping end, of the first rotating shaft, and the free end of each second crank is connected with the second rotating shaft penetrating through the corresponding second shaft hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110949560.1A CN113566022B (en) | 2021-08-18 | 2021-08-18 | Auxiliary device for installing chemical pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110949560.1A CN113566022B (en) | 2021-08-18 | 2021-08-18 | Auxiliary device for installing chemical pipeline |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113566022A CN113566022A (en) | 2021-10-29 |
| CN113566022B true CN113566022B (en) | 2023-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110949560.1A Active CN113566022B (en) | 2021-08-18 | 2021-08-18 | Auxiliary device for installing chemical pipeline |
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| Country | Link |
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| CN (1) | CN113566022B (en) |
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|---|---|---|---|---|
| CA2262766A1 (en) * | 1996-06-26 | 1997-12-31 | Torres, Carlos A. | Pipe gripping system and method |
| CN104110226A (en) * | 2013-04-17 | 2014-10-22 | 阿特拉斯科普柯(南京)建筑矿山设备有限公司 | Rock-core drill holder |
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|---|---|
| CN113566022A (en) | 2021-10-29 |
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