Special-shaped steel pipe convenient to sample
By opening pipe holes on the outer wall of irregularly shaped steel pipes and equipping them with fixing components and auxiliary sampling structures, the problem of difficulty in sampling multiple points on long pipes is solved, thus simplifying the sampling process and improving the representativeness and accuracy of the test results.
Patent Information
- Application Number
- CN202520610894.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-02
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-04-02
AI Technical Summary
The existing irregular steel pipes are difficult to install multiple sampling structures on long sections of the conveying pipe, which limits the possibility of multi-point sampling and cannot meet the testing requirements of long pipes. In addition, the complexity of the connection leads to high installation accuracy requirements, which affects the wide application.
Multiple holes are opened on the outer wall of the special-shaped steel pipe, and fixed components and auxiliary sampling structures are provided, including tube insertion, sealing blocks and elastic blocking components, to achieve multi-point sampling and sealed connection, simplifying the sampling process.
This technology enables multi-point sampling of long tubes, resulting in more representative test results, reduced failure rate and cost, improved production efficiency, and ensured the purity of the substances inside the tubes and the accuracy of the test results.
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Figure CN223855050U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of steel pipe, concretely relates to a special-shaped steel pipe convenient for sampling. BACKGROUND
[0002] Special-shaped pipe refers to the general term of seamless steel pipes with other cross-sectional shapes except round pipes, and the types of special-shaped pipes are various, such as concentric special-shaped pipes (round pipes or square pipes), eccentric special-shaped pipes, D-shaped pipes, etc. The conveying pipeline made of special-shaped steel pipes sometimes needs to sample the fluid substances in the conveying pipeline during use.
[0003] In the application number 202222249312.9, a special-shaped steel pipe convenient for sampling is disclosed, "the fixing seat is welded on the surface of the first clamping plate, the upper surface of the fixing seat is fixedly provided with a water pump, the input end of the water pump is communicatively provided with a water suction pipe, the other end of the water suction pipe is arranged in the interior of the steel pipe body, and the output end of the water pump is communicatively provided with a water delivery pipe", the above-mentioned water pump is connected with the water suction pipe and the water delivery pipe, which realizes convenient sampling treatment of the steel pipe. However, the structure of the water pump cooperating with the water suction pipe is relatively complex, and there are many parts. The connection and installation between the parts require high precision and technical requirements. When applied to a long conveying pipe body, it is difficult to add multiple such sampling structures on the long conveying pipe body due to the complexity of the sampling structure, which limits its wide application on the long pipe body and the possibility of multi-point sampling, and cannot meet the actual needs of sampling detection at multiple places of the long pipe body. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a special-shaped steel pipe convenient for sampling to solve the above-mentioned shortcomings in the art.
[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a special-shaped steel pipe convenient for sampling, comprising a steel pipe body, a plurality of pipe holes are formed in the outer wall of the steel pipe body, and a fixing assembly matched with the number of pipe holes is arranged on the steel pipe body, the fixing assembly comprises an upper fixing block and a lower fixing block, the upper fixing block and the lower fixing block are arranged outside the steel pipe body, a fastening bolt is connected to the upper fixing block, the connecting end of the fastening bolt is connected with the lower fixing block, an auxiliary sampling structure is arranged on the fixing assembly, the auxiliary sampling structure comprises a pipe plug connected to the upper fixing block, a top cover is embedded in the upper end face of the pipe plug, and the lower end face of the pipe plug is arranged in the interior of the steel pipe body through the pipe hole, and an elastic blocking assembly is arranged on the pipe plug.
[0006] Preferably, the outer wall of the cannula is fixedly connected with an outer ring, the outer wall of the outer ring is connected with a first sealing block, the inner wall of the tube hole is connected with a ring block, the inner wall of the ring block is connected with a second sealing block, the first sealing block is T-shaped, and the protruding end of the first sealing block is embedded in the interior of the second sealing block.
[0007] Specifically, the cooperation of the first sealing block and the second sealing block enables the steel pipe body and the cannula to form a relatively tight sealing connection, which can effectively prevent fluid from leaking from the connection between the cannula and the tube hole, and additionally, the cannula and the tube hole have an additional layer of mutually restraining structure in addition to the original fixed connection, which enhances the firmness of the connection and reduces the possibility of loose connection caused by factors such as vibration and external force.
[0008] Through the above technical solution:
[0009] When sampling, first remove the top cover, and then insert the sampling member into the steel pipe body through the cannula. Flexible and diverse sampling methods such as direct extraction and pressure pushing can be used to achieve sampling. The auxiliary sampling structure enables the steel pipe body to have multiple sampling structures, meeting the needs of long pipe body multi-point sampling, enabling samples to be obtained at different positions of the long pipe body, making the detection results more comprehensive and representative, and helping to timely understand the differences in material distribution and quality problems inside the pipe body.
[0010] Preferably, the elastic blocking assembly comprises a horizontal pipe fixedly connected to the outer wall of the cannula, the interior of the horizontal pipe is provided with a pull rod, one end of the pull rod is connected with a blocking block, the blocking block is embedded in the interior of the cannula, the other end of the pull rod penetrates and extends to the outside of the horizontal pipe and is connected with a handle, the end of the handle close to the horizontal pipe is connected with a spring, and the spring is sleeved on the outside of the pull rod.
[0011] Preferably, the elastic blocking assembly further comprises a connecting block symmetrically connected to the end of the handle, the side wall of the horizontal pipe close to the connecting block is connected with an embedding block, and the outer wall of the horizontal pipe is provided with an embedding groove matched with the embedding block.
[0012] Through the above technical solution:
[0013] During the non-sampling period, the blocking block is arranged in the interior of the cannula, so that the cannula has an additional blocking function in addition to the top cover, which can effectively isolate external impurities from entering the steel pipe body through the cannula inlet, thereby ensuring the purity of the materials in the pipe, and during sampling, the handle is held and rotated clockwise, driving the connecting block to rotate, so that the embedding block is rotated to one end of the embedding groove, and finally the spring is used to move the handle outward, the pull rod drives the blocking block to move out of the cannula and into the interior of the horizontal pipe, thereby opening the cannula.
[0014] In the above technical solutions, the utility model provides technical effect and advantage:
[0015] 1. By setting up auxiliary sampling structure, make the steel pipe body have multiple sampling structure, use, can satisfy long pipe body many point sampling demand, can obtain sample in different position of long pipe body, make detection result more comprehensive and representative, help to find pipe body internal material distribution difference or quality problem in time, second, because the auxiliary sampling structure is simple, reduce cost and failure rate, maintenance investigation is more convenient, improve production efficiency, strengthen its practicality and applicability in long pipe body sampling scene;
[0016] 2. By setting up elastic blocking component, in non sampling period, make the cannula have additional blocking function except the top cap, can effectively isolate external impurity, make it unable to break into steel pipe body through cannula import, guarantee the purity of pipe internal material, avoid the mixing of impurity and interfere with the detection and analysis of pipe internal material, ensure the accuracy of detection result. BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to more clearly illustrate the technical scheme in the embodiment of the present application or prior art, the following will briefly introduce the drawings needed to be used in the embodiment, obviously, the drawings in the following description only some embodiments of the utility model are recorded, for those skilled in the art, other drawings can also be obtained according to these drawings.
[0018] Figure 1 It is the whole structure schematic diagram of the utility model;
[0019] Figure 2 It is one of the utility model's section view schematic diagram;
[0020] Figure 3 It is the second section view schematic diagram of the utility model;
[0021] Figure 4 It is the auxiliary sampling structure enlarged schematic diagram of the utility model;
[0022] Figure 5 It is the auxiliary sampling structure schematic diagram of the utility model;
[0023] Figure 6 It is the auxiliary sampling structure section and explosion schematic diagram of the utility model.
[0024] Explanation of reference numerals:
[0025] 1, steel pipe body; 2, pipe hole; 3, upper fixed block; 4, lower fixed block; 5, auxiliary sampling structure; 51, cannula; 52, top cover; 53, outer ring; 54, first sealing block; 55, ring block; 56, second sealing block; 6, elastic blocking assembly; 61, cross pipe; 62, pull rod; 63, stop block; 64, spring; 65, handle; 66, connecting block; 67, embedding groove; 68, embedding block; 7, fastening bolt. DETAILED DESCRIPTION
[0026] In order to make the technical personnel in the art better understand the technical scheme of the utility model, the utility model will be further described in detail below with reference to the drawings.
[0027] The utility model provides a kind of special-shaped steel pipe for sampling conveniently as Figures 1-6 As shown in a kind of special-shaped steel pipe for sampling conveniently, comprising:
[0028] Steel pipe body 1, the outer wall of steel pipe body 1 is provided with multiple pipe holes 2, and steel pipe body 1 is equipped with the fixed assembly matched with the number of pipe hole 2, and the fixed assembly includes upper fixed block 3 and lower fixed block 4, and upper fixed block 3 and lower fixed block 4 are arranged on the outside of steel pipe body 1, and upper fixed block 3 is connected with fastening bolt 7, and the connecting end of fastening bolt 7 is connected with lower fixed block 4, and auxiliary sampling structure 5 is equipped on fixed assembly, and auxiliary sampling structure 5 includes cannula 51 connected through on upper fixed block 3, and the upper end surface of cannula 51 is clamped with top cover 52, and the lower end surface of cannula 51 is arranged in the inside of steel pipe body 1 through pipe hole 2, and elastic blocking assembly 6 is equipped on cannula 51.
[0029] Further, referring to Figures 4-6 As shown in the figure, the outer wall of cannula 51 is fixedly connected with outer ring 53, the outer wall of outer ring 53 is connected with first sealing block 54, the inner wall of pipe hole 2 is connected with ring block 55, the inner wall of ring block 55 is connected with second sealing block 56, first sealing block 54 is T-shaped, and the protruding end of first sealing block 54 is embedded in the inside of second sealing block 56.
[0030] Specifically, by the cooperation of first sealing block 54 and second sealing block 56, steel pipe body 1 and cannula 51 form relatively close sealing connection, which can effectively prevent fluid from leaking from the connection between cannula 51 and pipe hole 2, and additionally, there is an additional structure of mutual restraint between cannula 51 and pipe hole 2 in addition to the fixed connection itself, which enhances the firmness of the connection and reduces the possibility of loose connection caused by factors such as vibration and external force.
[0031] Through the above technical scheme:
[0032] When sampling, first, the top cover 52 is pulled off, the sampling member is inserted into the steel pipe body 1 through the insertion pipe 51, flexible and diverse sampling modes such as direct extraction and pressure pushing can be used to realize sampling, the auxiliary sampling structure 5 enables the steel pipe body 1 to have multiple sampling structures, meets the requirement of long pipe body multi-point sampling, can obtain samples at different positions of the long pipe body, makes the detection result more comprehensive and representative, helps to timely understand the internal material distribution difference and quality problem of the pipe body, and after sampling is completed, the sampling liquid adhered to the inner wall of the insertion pipe 51 is wiped clean by using a cleaning tool (a wiping cloth), so as to prevent affecting the quality of subsequent sampling samples.
[0033] The utility model provides a kind of Figures 4-6 As shown in a kind of special-shaped steel pipe of convenient sampling, elastic blocking component 6 includes the horizontal pipe 61 of fixed connection in the outer wall of insertion pipe 51, the inside of horizontal pipe 61 is equipped with pull rod 62, one end of pull rod 62 is connected with block 63, block 63 is embedded in the inside of insertion pipe 51, the other end of pull rod 62 is connected with handle 65 and extends to the outside of horizontal pipe 61, one end of handle 65 close to horizontal pipe 61 is connected with spring 64, spring 64 is sleeved on the outside of pull rod 62.
[0034] Elastic blocking component 6 further includes the connecting block 66 of symmetry connection in the end of handle 65, connecting block 66 is connected with the embedded block 68 close to the side wall of horizontal pipe 61, the outer wall of horizontal pipe 61 is equipped with the embedded groove 67 used in cooperation with embedded block 68.
[0035] Through the above technical scheme:
[0036] During non-sampling period, block 63 is arranged in the inside of insertion pipe 51, so that insertion pipe 51 has additional blocking function in addition to top cover 52, can effectively isolate foreign matter, so that it cannot break into steel pipe body 1 through insertion pipe 51 import, guarantees the purity of material in pipe, and, during sampling, handle and rotate handle 65 clockwise, drive connecting block 66 to rotate, so that embedded block 68 is rotated to one end of embedded groove 67, finally, the elastic force of spring 64 is used to make handle 65 move outward, block 63 is moved out of insertion pipe 51 and placed in the inside of horizontal pipe 61 by pull rod 62, that is, insertion pipe 51 can be opened.
[0037] The above only describes certain exemplary embodiments of the utility model by way of illustration, without doubt, for ordinary skilled person in the art, the described embodiments can be modified in various ways without departing from the spirit and scope of the utility model. Therefore, the above drawings and description are illustrative in nature and should not be understood as limiting the scope of protection claimed by the utility model.
Claims
1. A deformed steel pipe for facilitating sampling, characterized by, Include: Steel pipe body (1), the outer wall of the steel pipe body (1) is provided with a plurality of pipe holes (2), and the steel pipe body (1) is provided with a fixing assembly matched with the number of pipe holes (2), the fixing assembly is provided with an auxiliary sampling structure (5), and the fixing assembly comprises an upper fixed block (3) and a lower fixed block (4), the upper fixed block (3) and the lower fixed block (4) are arranged outside the steel pipe body (1); The auxiliary sampling structure (5) includes a cannula (51) connected through the upper fixed block (3), the upper end surface of the cannula (51) is clamped with a top cover (52), and the lower end surface of the cannula (51) is arranged inside the steel pipe body (1) through the pipe hole (2), the cannula (51) is provided with an elastic blocking assembly (6).
2. A deformed steel tube for easy sampling according to claim 1, characterized in that: The outer wall of the cannula (51) is fixedly connected with an outer ring (53), the outer wall of the outer ring (53) is connected with a first sealing block (54), the inner wall of the pipe hole (2) is connected with a ring block (55), the inner wall of the ring block (55) is connected with a second sealing block (56), the first sealing block (54) is T-shaped, and the protruding end of the first sealing block (54) is embedded in the inside of the second sealing block (56).
3. The deformed steel pipe for easy sampling according to claim 1, characterized by: The elastic blocking assembly (6) includes a cross pipe (61) fixedly connected to the outer wall of the cannula (51), the inside of the cross pipe (61) is provided with a pull rod (62), one end of the pull rod (62) is connected with a stop block (63), the stop block (63) is embedded in the inside of the cannula (51), the other end of the pull rod (62) is connected with a handle (65) extending to the outside of the cross pipe (61), the end of the handle (65) close to the cross pipe (61) is connected with a spring (64), the spring (64) is sleeved on the outside of the pull rod (62).
4. A deformed steel tube for easy sampling according to claim 3, characterized in that: The elastic blocking assembly (6) further comprises a connecting block (66) symmetrically connected to the end of the handle (65), the side wall of the connecting block (66) close to the cross pipe (61) is connected with an embedded block (68), and the outer wall of the cross pipe (61) is provided with an embedded groove (67) matched with the embedded block (68).
5. The deformed steel pipe for easy sampling according to claim 1, characterized by: The upper fixed block (3) is connected with a fastening bolt (7), and the connecting end of the fastening bolt (7) is connected with the lower fixed block (4).
Citation Information
Patent Citations
Special-shaped steel pipe convenient to sample
CN217930970U