CN218267682U

CN218267682U - Conveying pipe, conveying pipeline and pumping equipment

Info

Publication number: CN218267682U
Application number: CN202222530268.9U
Authority: CN
Inventors: 张帆; 徐乐; 王龙
Original assignee: Hunan Sany Zhongyang Machinery Co Ltd
Current assignee: Hunan Sany Zhongyang Machinery Co Ltd
Priority date: 2022-09-23
Filing date: 2022-09-23
Publication date: 2023-01-10
Anticipated expiration: 2032-09-23

Abstract

The utility model relates to a pipeline field provides a conveyer pipe, pipeline and pumping equipment, and wherein, the conveyer pipe includes: the early warning device comprises a pipe body and a protective cover, wherein the outer wall of the pipe body is provided with an early warning hole, and the depth of the early warning hole is smaller than the thickness of the pipe wall of the pipe body; the protection casing sets up the early warning hole position at the body, and the protection casing is seted up flutedly, and the opening of recess is towards the early warning hole, and the side leak hole has been seted up to the lateral wall of recess. Be used for solving the defect that can't prejudge the wearing and tearing condition of pipeline among the prior art, the utility model provides a conveyer pipe is through seting up the early warning hole that the degree of depth is less than the wall thickness to body inner wall direction along the body outer wall to the body, so that before the body breaks in advance, the material flows out from the early warning hole in advance, in order to remind operating personnel in time to change the material, and the position department in the early warning hole of body outer wall sets up the protection casing, block the back through the protection casing, flow out from the side leakage hole of the lateral wall of protection casing, in order to realize early warning in advance, the security is high.

Description

Conveying pipe, conveying pipeline and pumping equipment

Technical Field

The utility model relates to the technical field of pipeline, especially, relate to a conveyer pipe, pipeline and pumping equipment.

Background

The pumping equipment for materials in the industries of electric power, coal, metallurgy, petroleum, machinery, building, chemical engineering and the like is an important component of the pumping equipment for materials, for example, in the building engineering, concrete pumping equipment and the conveying process of concrete can cause serious abrasion to pipelines, particularly, when the high-rise pumping is carried out, because the pressure in a conveying pipe is large, the phenomenon of pipe body bursting can also occur, once the pipe body is damaged, the concrete can be directly leaked from the high altitude, constructors on the ground can be injured by the concrete with a certain probability, and the high potential safety hazard is realized. Due to the difference of use scenes, the abrasion condition of the pipeline is not easy to predict, and the waste of the pipe can be caused by replacing the pipeline regularly.

How to prejudge the wear condition of the pipeline in advance and replace the pipeline in time and avoiding the waste of the pipe is an important subject to be urgently solved in the industry at present.

SUMMERY OF THE UTILITY MODEL

The utility model provides a conveyer pipe, pipeline and pumping installations for solve the defect that can't prejudge the wearing and tearing condition of pipeline among the prior art, realize before the body breaks in advance, spray the material through the early warning hole, and flow out after blockking through the protection casing, in order to provide operating personnel in time to change the conveyer pipe, avoid the unnecessary loss.

The utility model provides a conveying pipe, include:

the early warning device comprises a pipe body, wherein the outer wall of the pipe body is provided with an early warning hole, and the depth of the early warning hole is smaller than the thickness of the pipe wall of the pipe body;

the protection casing, the protection casing sets up the body the early warning hole position, the protection casing is seted up flutedly, the opening orientation of recess the early warning hole, the side leak hole has been seted up to the lateral wall of recess.

According to the utility model provides a conveying pipe, the body includes first pipe and second pipe, the first pipe box is established outside the second pipe, laminate between the first pipe and the second pipe, the protection casing sets up on the first pipe;

the early warning hole comprises a first hole section and a second hole section which are continuous, the first hole section penetrates through the first pipe, and the depth of the second hole section is smaller than the pipe wall thickness of the second pipe.

According to the utility model provides a conveying pipe, the degree of depth of second hole section is L, the wall thickness of second pipe is A, and L's scope is between 1/3A to 1/8A.

According to the utility model provides a conveyer pipe still includes:

the wear-resistant sleeves are arranged at two ends of the pipe body;

the connecting piece, the connecting piece cover is established and is connected outside the wear-resisting cover, the connecting piece with the body is connected.

According to the utility model provides a conveying pipe, the recess includes lateral wall and roof, two the lateral wall is arranged in the both sides of roof, the roof with the outer wall of body is relative, two the lateral wall all with the outer wall connection of body, two at least one has seted up in the lateral wall the side leak hole.

According to the utility model provides a conveying pipe, the increase small opening has been seted up to the roof, follows the radial direction of body, increase small opening with the early warning hole staggers each other.

According to the utility model provides a conveying pipe, the protection casing is the ring type.

The utility model also provides a pipeline, including foretell conveyer pipe.

The conveying pipeline comprises a first group of conveying pipes and a second group of conveying pipes, wherein the first group of conveying pipes are connected with the second group of conveying pipelines, and the first group of conveying pipes are close to a feeding hole of the conveying pipeline;

wherein the wall thickness of the delivery tubes of the first group is greater than the wall thickness of the delivery tubes of the second group.

The utility model also provides a pumping device, which comprises the conveying pipe;

alternatively, the pumping device comprises the above-mentioned transfer line.

The utility model provides a conveyer pipe, be less than the early warning hole of wall thickness through seting up the degree of depth to body inner wall direction along the body outer wall, so that before the body breaks in advance, the material flows out from the early warning hole in advance, in time change the material with reminding operating personnel, and the position department in the early warning hole of body outer wall sets up the protection casing, avoid leading to the fact the impact to people and thing around from the material of early warning hole high-pressure injection, block the back through the protection casing, the side leakage hole of the lateral wall from the protection casing flows out, in order to realize early warning in advance, therefore, the safety is high.

Further, in the conveying pipeline and the pumping equipment provided by the utility model, because the conveying pipeline is provided with the conveying pipe, the conveying pipeline and the pumping equipment also have various advantages as described above.

Drawings

In order to more clearly illustrate the technical solutions of the present invention or the prior art, the following briefly introduces the drawings required for the embodiments or the prior art descriptions, and obviously, the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of the conveying pipe provided by the present invention;

fig. 2 is one of the schematic structural diagrams of the protective cover provided by the present invention;

fig. 3 is a second schematic view of the protective cover structure provided by the present invention;

fig. 4 is a sectional view of the delivery pipe provided by the present invention.

Reference numerals are as follows:

100: a pipe body; 101: a connecting member; 102: a wear-resistant sleeve; 110: a first tube; 120: a second tube; 200: a protective cover; 201: a side wall; 202: a top wall; 203: a side leak hole; 204: a shielded area; 205: opening the hole area; 210: an early warning hole; 220: a groove; 230: and (4) increasing leakage holes.

Detailed Description

To make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the embodiments of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element to which the description refers must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the embodiments of the present invention can be understood as specific cases to those of ordinary skill in the art.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Embodiments of the present invention will be described below with reference to fig. 1 to 4. It is to be understood that the following description is only exemplary of the present invention and is not intended to limit the present invention.

As shown in fig. 1 to 3, the present invention provides a duct, including: the early warning device comprises a tube body 100 and a protective cover 200, wherein the outer wall of the tube body 100 is provided with an early warning hole 210, and the depth of the early warning hole 210 is smaller than the thickness of the tube wall of the tube body 100; the protection casing 200 is arranged at the position of the early warning hole 210 of the tube body 100, the protection casing 200 is provided with a groove 220, the opening of the groove 220 faces the early warning hole 210, and the side wall 201 of the groove 220 is provided with a side leakage hole 203.

Specifically, during the process of transporting the material in the pipe body 100, the material has abrasion to the inner wall of the pipe body 100, so that the wall thickness of the pipe body 100 becomes thinner and finally breaks. Therefore, the outer wall of the pipe body 100 is provided with the non-penetrating early warning hole 210 towards the inner wall, after the inner wall of the pipe body 100 is worn to a certain thickness, the early warning hole 210 is communicated with the conveying pipeline of the pipe body 100 under the action of the internal pressure of the pipe body 100, and materials flow out of the early warning hole 210. Recess 220 through protection casing 200 blocks and protects, flows out the material from the side leakage hole 203 of the lateral wall 201 of recess 220 in, reduces the impact of material, and the staff looks over the outflow of material, in time changes body 100, realizes warning and prejudgement the inside wearing and tearing condition of conveyer pipe.

The depth of the early warning hole 210 is set based on the material of the material conveyed in the pipe body 100 and the use pressure of the pipe body 100, for example, the depth of the early warning hole 210 is L1, the wall thickness of the pipe body 100 is A1, and L1 is between 1/2A1 and 1/8 A1. The aperture size of the early warning hole 210 is related to the material flowability and the particle size, the poorer the flowability, the larger the particle, and the larger the aperture of the early warning hole 210, so that the material flows out smoothly. For example, the pre-warning hole 210 has a diameter of between 5mm and 20mm.

To the utility model discloses a warning hole 210, body 100 includes pan feeding mouth and discharge gate, because the pressure of pan feeding mouth generally is greater than the pressure of discharge gate, warning hole 210 sets up on the outer wall of the one side that is close to the pan feeding mouth, and the better inner wall wearing and tearing condition to body 100 is prejudged. For example, the distance between the center of the early warning hole 210 and the feeding port is in the range of 10 cm-30 cm.

In addition, the width of protection casing 200 is greater than the diameter of early warning hole 210 to reach the purpose that protection casing 200 covers early warning hole 210 completely, make the interior spun whole material of early warning hole 210 block the back through the roof 202 of recess 220 of protection casing 200, the side leakage hole 203 of the lateral wall 201 through recess 220 flows out, avoids impacting operating personnel or facility on every side from the high-pressure material of early warning hole 210 spun, causes unnecessary personnel to be injured and equipment loss. The protective cover 200 may be connected to the outer wall of the pipe body 100 through a connection mechanism, or may be connected to the outer wall of the pipe body 100 through welding, bonding, or the like.

Further, as shown in fig. 2, in an embodiment of the present invention, the groove 220 includes a sidewall 201 and a top wall 202, the two sidewalls 201 are disposed on two sides of the top wall 202, the top wall 202 is opposite to the outer wall of the pipe body 100, the two sidewalls 201 are both connected to the outer wall of the pipe body 100, and at least one of the two sidewalls 201 has a side leakage hole 203.

In other words, the groove 220 includes a first sidewall and a second sidewall, the first sidewall and the second sidewall are oppositely disposed, the top wall 202 is connected between the first sidewall and the second sidewall, and the top wall 202 is opposite to the pre-warning hole 210; one of the first side wall and the second side wall is provided with a side leakage hole 203; or the first side wall and the second side wall are both provided with side leakage holes 203.

As shown in fig. 2 and 3, the side leakage holes 203 may be other special-shaped holes such as circular holes, long holes, square holes, etc., one or more side leakage holes 203 may be opened on the side wall 201, and the plurality of side leakage holes 203 may be arranged at equal intervals or at unequal intervals.

In addition, as shown in fig. 3, in another embodiment of the present invention, the top wall 202 is opened with leakage increasing holes 230, and the leakage increasing holes 230 and the early warning holes 210 are staggered from each other along the radial direction of the pipe body 100. In other words, the top wall 202 includes the shielding regions 204 and the opening regions 205, the shielding regions 204 and the opening regions 205 are alternately distributed, the opening regions 205 are opened with the leakage-increasing holes 230, and the shielding regions 204 are opposite to the pre-warning holes 210. The high-pressure material injected in the early warning hole 210 is prevented from directly impacting the operator or surrounding equipment.

That is, the first side wall and the second side wall are provided with the side leakage holes 203, and the top wall 202 is provided with the leakage increasing holes 230; the material ejected from the pre-warning hole 210 can flow out of the side leakage holes 203 and the leakage-increasing holes 230 after being blocked by the shielding area 204 of the top wall 202. For the mutual staggering of the leakage increasing holes 230 and the early warning holes 210, the leakage increasing holes 230 and the early warning holes 210 do not have overlapping portions in the radial direction of the pipe body 100.

In addition, as shown in fig. 2 and 3, in an alternative embodiment of the present invention, the protection cover 200 is of a circular ring type, and the top wall 202 is parallel to the outer wall of the pipe body 100. Of course, the protective cover 200 may be a closed circular ring or a circular ring with a certain opening. For example, the width of the shield 200 is between 10mm and 40mm.

Specifically, as shown in fig. 4, in some embodiments of the present invention, the pipe body 100 includes a first pipe 110 and a second pipe 120, the first pipe 110 is sleeved outside the second pipe 120, the first pipe 110 is attached to the second pipe 120, and the protective cover is disposed on the first pipe 110; the early warning hole 210 includes a first hole segment and a second hole segment in series, the first hole segment penetrates the first pipe 110, and the depth of the second hole segment is smaller than the pipe wall thickness of the second pipe 120. Wherein the wall thickness of the first tube 110 is smaller than the wall thickness of the second tube 120.

For the first pipe 110 and the second pipe 120 of the present invention, the first pipe 110 is compounded on the outer wall of the second pipe 120, and there is no gap between the first pipe 110 and the second pipe 120. In order to avoid the too fast replacement of the conveying pipe due to the abrasion, the inner layer of the second pipe 120 may have a double-layer pipe structure, so as to provide wear resistance and ensure the conveying life of the conveying pipe; the outer first tube 110 may have a high toughness and a low hardness to provide structural strength to ensure that the structure of the second tube 120 is not damaged over the service life. When the second tube 120 is worn out during use, the first tube 110 will be worn through quickly, especially during high-rise pumping, and the delivery tube will burst due to the high pressure in the delivery tube.

The early warning hole 210 extends along the outer wall of the first pipe 110 toward the inner wall of the second pipe 120, and the early warning hole 210 penetrates through the inner and outer walls of the first pipe 110 to form a hole section with a certain depth on the outer wall of the second pipe 120. After second pipe 120 is constantly worn and torn, the wall thickness of early warning hole 210 department constantly reduces, until making early warning hole 210 and second pipe 120 intercommunication, under the pressure effect in second pipe 120, the material sprays on protection casing 200 after flowing out from early warning hole 210, flows from the side leakage hole 203 of protection casing 200's lateral wall 201 to remind operating personnel in time to change the conveyer pipe.

In addition, with continued reference to fig. 4, in other embodiments of the present invention, the conveying pipe further comprises a wear-resistant sleeve 102 and a connecting member 101, the wear-resistant sleeve 102 being disposed at both ends of the pipe body 100; the connecting element 101 is sleeved outside the wear-resistant sleeve 102, and the connecting element 101 is connected with the pipe body 100.

Specifically, wear-resistant sleeves 102 are disposed on both sides of the pipe body 100 to improve wear resistance of the conveying pipe, and the wear-resistant sleeves 102 are connected to the first pipe 110 by a connector 101 sleeved outside. The connecting piece 101 can be a flange, and the flange is in interference fit with the wear-resistant sleeve 102; the flange and the first pipe 110 may be welded.

Wherein, to the utility model discloses an early warning hole 210 that sets up on first pipe 110 and the second pipe 120, the degree of depth of second hole section is L, and the wall thickness of second pipe 120 is A, and the scope of L is between 1/3A to 1/8A. Wherein the depth of the second hole section extends from the outer wall to the inner wall of the second tube 120.

For example, the first pipe 110 is a seamless Q345 steel pipe with a wall thickness of 2mm, the second pipe 120 is a seamless GCr15 steel pipe with a wall thickness of 4mm, the early warning hole 210 with a depth of 3mm is opened from the first pipe 110 to the second pipe 120, and the aperture of the early warning hole 210 is 10mm. That is, the early warning hole 210 has a first hole section having a depth of 2mm and a second hole section having a depth of 1mm. When the wall thickness of the second pipe 120 is left at 1mm after the second pipe 120 is worn, the early warning hole 210 communicates with the second pipe 120 to eject the early warning. At this time, the width of the shield cap 200 is 20mm.

For another example, the first pipe 110 is a seamless Q345 steel pipe with a wall thickness of 1.8mm, the second pipe 120 is a straight-slit 65Mn welded pipe with a wall thickness of 3.5mm, the early warning hole 210 with a depth of 2.3mm is opened from the first pipe 110 to the second pipe 120, and the diameter of the early warning hole 210 is 20mm. That is, the early warning hole 210 has a first hole section with a depth of 1.8mm and a second hole section with a depth of 0.5mm. When the wall thickness of the second pipe 120 is 0.5mm after the second pipe 120 is worn, the early warning hole 210 communicates with the second pipe 120 to eject the early warning. At this time, the width of the shield cap 200 is 40mm.

The utility model also provides a conveying pipeline, conveyer pipe including above-mentioned embodiment.

Wherein, in other embodiments of the present invention, the conveying pipeline comprises a first group of conveying pipes and a second group of conveying pipes, the first group of conveying pipes are connected with the second group of conveying pipes, and the first group of conveying pipes are close to the feeding port of the conveying pipeline; wherein the wall thickness of the first group of delivery pipes is greater than the wall thickness of the second group of delivery pipes. Accordingly, the pre-warning holes 210 of the first set of delivery tubes are deeper than the pre-warning holes 210 of the second set.

In addition, the utility model also provides a pumping device, which comprises the delivery pipe of the embodiment; alternatively, a pumping apparatus comprising the transfer line of the above embodiments.

The utility model provides a conveying pipe, through seting up the early warning hole 210 that the degree of depth is less than the wall thickness to body 100 inner wall direction along body 100 outer wall, so that before body 100 ruptures in advance, the material flows from early warning hole 210 in advance, in time change the material with reminding operating personnel, and the position department in the early warning hole 210 of body 100 outer wall sets up protection casing 200, avoid causing the impact to people and thing around from the material of early warning hole 210 high-pressure injection, block the back through protection casing 200, the side leakage hole 203 from protection casing 200's lateral wall 201 flows, in order to realize early warning in advance, high safety is high.

Further, in the conveying pipeline and the pumping device provided by the invention, the conveying pipeline and the pumping device are provided with the conveying pipe, so that various advantages are also provided as described above.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A delivery tube, comprising:

2. The delivery pipe of claim 1, wherein the pipe body comprises a first pipe and a second pipe, the first pipe is sleeved outside the second pipe, the first pipe is attached to the second pipe, and the protective cover is arranged on the first pipe;

3. The delivery tube of claim 2, wherein the second bore section has a depth L and the second tube has a wall thickness a, the L ranging from 1/3A to 1/8A.

4. The delivery tube of claim 1, further comprising:

the wear-resistant sleeves are arranged at two ends of the pipe body;

5. The conveying pipe according to any one of claims 1 to 4, wherein the groove comprises the side walls and a top wall, two of the side walls are disposed on two sides of the top wall, the top wall is opposite to the outer wall of the pipe body, both of the side walls are connected with the outer wall of the pipe body, and at least one of the two side walls is provided with the side leakage hole.

6. The conveying pipe according to claim 5, wherein the top wall is provided with leakage increasing holes, and the leakage increasing holes and the early warning holes are staggered with each other along the radial direction of the pipe body.

7. A duct according to any one of claims 1 to 4, characterised in that the protective cover is of the annular ring type.

8. A transfer line comprising a transfer pipe as claimed in any one of claims 1 to 7.

9. The transfer line of claim 8, comprising a first group of said transfer tubes and a second group of said transfer tubes, said first group of said transfer tubes being connected to said second group of said transfer lines, said first group of said transfer tubes being proximate to a feed inlet of said transfer lines;

10. A pumping apparatus, characterized by comprising a delivery pipe according to any one of claims 1 to 7;

alternatively, the pumping apparatus comprising the transfer line of claim 8 or 9.