Shaft well pipe anti-bending guide device

Abstract

The utility model relates to pipeline installation fixed technology field, especially in kind of vertical shaft wellbore pipeline anti -bending guide device, including arc wallboard, a plurality of pipe clips, a plurality of anchor rods and a plurality of fastening mechanisms, the arc of arc wallboard is compatible with the arc of the inner wall of vertical shaft wellbore, a plurality of anchor rods are used to fix arc wallboard on the inner wall of vertical shaft wellbore, arc wallboard is equipped with multiple sets of guide mechanism along its arc length direction, multiple sets of guide mechanism and a plurality of pipe clips are set up one to one, the guide mechanism includes a pair of interval setting adjusting hole, adjusting hole is along the axial arrangement of vertical shaft wellbore, the pipe clip is connected with arc wallboard through a pair of fastening mechanism, at least a part of fastening mechanism is set up in the adjusting hole, and fastening mechanism can reciprocatingly move along adjusting hole, thereby the utility model can improve the bending -resistant capacity, and can realize single trip or multi -trip pipeline anti -bending guide.

Description

Technical Field

[0001] This utility model relates to the field of pipeline installation and fixing technology, and in particular to a vertical shaft pipeline anti-bending guide device. Background Technology

[0002] In the installation of pipelines in vertical shafts, the pipelines need to be installed along the shaft axis. Anti-bend guide devices are installed on anti-bend beams to bear the axial load of the pipeline and prevent displacement caused by thermal expansion and contraction. Generally, anti-bend guide devices are installed every 6m to 15m along the shaft depth. The number of these devices is relatively large, and the manufacturing and installation costs have a significant impact on the investment in shaft equipment. Typically, in vertical shafts with ladder shafts or guide beams, the main beam of the ladder shaft or guide beam is used as the anti-bend beam, and "U" bolts with adjusting shims are used as anti-bend guide devices to be directly fixed to the anti-bend beam. However, in vertical shafts without guide beams or ladder shafts, the following two types of anti-bend guide devices are used to solve the problem.

[0003] like Figure 1 As shown, an existing anti-bending guide device includes a wall plate 9, a channel steel 901, a U-bolt 902, and a first nut 903. The wall plate 9 is cut from a steel plate, and resin anchor holes for fixing the anti-bending device are machined on the wall plate 9. The channel steel 901 is welded to the wall plate 9, and the pipeline is fixed to the channel steel 901 by the U-bolt 902 and the first nut 903. The entire device is fixed to the well wall by the first resin anchor 904. Although this anti-bending guide device eliminates the need for an anti-bending beam, the pipeline and the fixing point between the channel steel 901 and the well wall are cantilever beam structures. With seasonal changes, the temperature in the well shaft changes accordingly, and the pipeline generates thermal expansion and contraction forces. The anti-bending guide device has poor bending resistance, and the pipeline is prone to deformation, affecting the use of the pipeline.

[0004] like Figure 2 As shown, another existing anti-bending guide device includes a clamping plate 10, a second nut 101, and a second resin anchor rod 102. Specifically, two clamping plates 10 made of steel plates are fixed with the second nut 101 and the second resin anchor rod 102, and then the second resin anchor rod 102 is fixed to the well wall. This anti-bending guide device relies solely on the two second resin anchor rods 102 to bear the vertical bending moment and horizontal radial force of the pipeline. It has poor bending resistance. Temperature force will cause displacement through the pipeline and bend the second resin anchor rod 102. Alternatively, the axial vibration generated by the pipeline when the pumping system starts or stops will bend the second resin anchor rod 102, thereby causing the anti-bending guide device to become unstable.

[0005] It is evident that existing anti-bending guide devices installed in vertical shafts lacking both guide beams and ladders have poor bending resistance, making the pipelines prone to bending and deformation. Furthermore, these two traditional anti-bending guide devices can only adopt a "single pipeline, single device" design mode, which cannot accommodate the installation of multiple pipelines within a limited space. Utility Model Content

[0006] The purpose of this utility model is to provide a bending-resistant guide device for vertical shaft pipelines, which can solve the problem that bending-resistant guide devices installed in vertical shafts without guide beams or ladders have poor bending resistance and are prone to bending and deformation of pipelines.

[0007] To solve the above-mentioned technical problems, this utility model provides a vertical shaft pipe anti-bending guide device, including an arc-shaped wall plate, multiple pipe clamps, multiple anchor rods, and multiple fastening mechanisms. The arc of the arc-shaped wall plate is adapted to the arc of the inner wall of the vertical shaft. The multiple anchor rods are used to fix the arc-shaped wall plate to the inner wall of the vertical shaft. The arc-shaped wall plate is provided with multiple sets of guide mechanisms along its arc length direction, and the multiple sets of guide mechanisms are correspondingly arranged with the multiple pipe clamps. The guide mechanism includes a pair of spaced-apart adjustment holes, which are arranged along the axial direction of the vertical shaft. The pipe clamps are connected to the arc-shaped wall plate through the pair of fastening mechanisms, and at least a part of the fastening mechanism passes through the corresponding adjustment hole, and the fastening mechanism can reciprocate along the adjustment hole.

[0008] Optionally, the arc-shaped wall panel includes an arc-shaped groove plate and corner plates disposed on both sides of the arc-shaped groove plate, the guide mechanism is disposed on the arc-shaped groove plate, and the anchor rod is disposed in a one-to-one correspondence with the corner plate.

[0009] Optionally, the arc-shaped groove plate includes an arc-shaped web and a pair of wing plates respectively disposed at both ends of the arc-shaped web, the corner plate is fixed to the wing plates, and the guide mechanism is disposed on the arc-shaped web.

[0010] Optionally, the fastening mechanism includes a matching bolt and nut, the bolt including a connected screw and bolt head, and the adjusting hole including a connected circular hole and a strip hole, the diameter of the circular hole being larger than the diameter of the bolt head, and the diameter of the strip hole being smaller than the diameter of the bolt head but larger than the diameter of the screw.

[0011] Optionally, the guiding mechanism further includes a first limiting component that corresponds one-to-one with the adjusting hole. The first limiting component is located on the side of the arc-shaped wall panel near the inner wall of the vertical shaft. The first limiting component includes a pair of limiting plates respectively disposed on both sides of the strip hole. The bolt head is located between the two limiting plates of the first limiting component. The first limiting component is used to restrict the rotational movement of the fastening mechanism.

[0012] Optionally, the bolt head has a hexagonal structure, and the distance between the two limiting plates of the first limiting component is greater than the width of opposite sides of the bolt head and less than the width of the diagonal of the bolt head.

[0013] Optionally, the first limiting component further includes a pair of limiting protrusions disposed on both sides of the strip hole. The limiting protrusions are connected to the end of the limiting plate near the circular hole, and the distance between the two limiting protrusions of the first limiting component is less than the width of opposite sides of the bolt head.

[0014] Optionally, the pipe clamp includes an arched portion and connecting portions disposed on both sides of the arched portion, wherein the connecting portions are provided with mounting holes corresponding to the adjustment holes and adapted to the fastening mechanism.

[0015] Optionally, the side of the arc-shaped wall panel away from the inner wall of the vertical shaft also has a plurality of adjusting pads, the plurality of adjusting pads being configured one-to-one with the plurality of pipe clamps, and the adjusting pads being deformable to adjust the distance between the arc-shaped wall panel and the pipe clamps.

[0016] Optionally, the side of the adjusting pad away from the arc-shaped wall plate is provided with an arc-shaped groove that matches the outer diameter of the pipeline; the side of the arc-shaped wall plate away from the inner wall of the vertical shaft is provided with multiple sets of second limiting components, the multiple sets of second limiting components are arranged one-to-one with the multiple adjusting pads, the second limiting component includes a pair of limiting blocks spaced apart along the axial direction of the vertical shaft, and the adjusting pad is disposed between the two limiting blocks of the second limiting component.

[0017] Compared with the prior art, the anti-bending guide device for vertical shaft pipelines provided by this utility model has the following beneficial effects:

[0018] This utility model provides a vertical shaft pipe anti-bending guide device, including an arc-shaped wall plate, multiple pipe clamps, multiple anchor rods, and multiple fastening mechanisms. The arc of the arc-shaped wall plate is adapted to the arc of the inner wall of the vertical shaft. The multiple anchor rods are used to fix the arc-shaped wall plate to the inner wall of the vertical shaft. The arc-shaped wall plate is provided with multiple sets of guide mechanisms along its arc length direction, and the multiple sets of guide mechanisms are correspondingly arranged with the multiple pipe clamps. The guide mechanism includes a pair of spaced-apart adjustment holes, which are arranged along the axial direction of the vertical shaft. The pipe clamps are connected to the arc-shaped wall plate through the pair of fastening mechanisms, and at least a part of the fastening mechanism passes through the corresponding adjustment hole, and the fastening mechanism can reciprocate along the adjustment hole. By installing the pipe clamp on the arc-shaped wall plate that is close to the inner wall of the vertical shaft, the distance from the center of the pipeline to the support point on the inner wall of the vertical shaft is shortened. This significantly shortens the lever arm compared to existing anti-bending guide devices. Under the condition that the axial temperature force of the pipeline remains unchanged, the bending moment is greatly reduced. As a result, the vertical shaft pipeline anti-bending guide device of this invention maintains a stable installation state when subjected to the temperature force of the pipeline. Therefore, this invention has good overall bending resistance, and the pipeline installed in it is not easy to deform.

[0019] Meanwhile, the adjustment holes provided on the arc-shaped wall panel can meet the needs of pipeline expansion and contraction distance caused by temperature differences, so that the installation of the pipeline does not need to consider the installation season. Specifically, the steel pipeline will expand and contract when affected by temperature. The strong temperature stress generated can drive the pipe clamp to move along the adjustment holes on the arc-shaped wall panel, ensuring that the pipeline will not cause impact on the overall device during the release of temperature stress. This makes the bending resistance of this utility model good, and this utility model can ensure that the pipeline is always rigidly laterally constrained by the pipe clamp, effectively avoiding bending instability caused by displacement accumulation, and ensuring the long-term straightness stability and safety of the pipeline under dynamic changes. The adjustment holes can also be adjusted according to the pipeline material and the expansion and contraction length caused by temperature differences, which has strong adaptability.

[0020] Furthermore, because the arc-shaped wall panel can fit tightly against the inner wall of the vertical shaft, the space utilization rate is greatly improved compared with the existing anti-bending guide device, effectively solving the problem of insufficient space for anti-bending device arrangement in small spaces and multi-pass pipeline systems. One or more pipe clamps can be connected to the arc-shaped wall panel, so this utility model can be used for single-pass pipelines or can realize synchronous anti-bending guidance for multiple pipelines. Attached Figure Description

[0021] Figure 1 This is a structural schematic diagram of an anti-bending guide device in the prior art.

[0022] Figure 2This is a schematic diagram of another anti-bending guide device in the prior art.

[0023] Figure 3 A schematic diagram of the structure of the anti-bend guide device for vertical shaft pipeline provided in one embodiment of this utility model.

[0024] Figure 4 This is a top view of a vertical shaft pipeline anti-bending guide device provided in one embodiment of the present invention.

[0025] Figure 5 A schematic diagram of the pipe clamp structure of the anti-bend guide device for vertical shaft pipeline provided in one embodiment of this utility model.

[0026] Figure 6 A schematic diagram of the inner wall structure of the wall panel of the anti-bending guide device for vertical shaft pipeline provided in one embodiment of this utility model.

[0027] Figure 7 A schematic diagram of the outer wall structure of the wall panel of the anti-bending guide device for vertical shaft pipeline provided in one embodiment of this utility model.

[0028] Figure 8 This is a schematic diagram of the structure of the adjusting hole in the anti-bend guide device for vertical shaft pipeline provided in one embodiment of the present invention.

[0029] The reference numerals in the attached figures are explained as follows:

[0030] 1-Arc-shaped wall panel, 2-Pipe clamp, 201-Bolt, 202-Threaded rod, 203-Bolt head, 204-Arch-shaped part, 205-Connecting part, 206-Mounting hole, 207-Nut, 3-Anchor bolt, 4-Adjusting hole, 401-Circular hole, 402-Limiting plate, 403-Limiting protrusion, 404-Strip hole, 5-Shaft shaft, 501-Pipeline, 6-Arc-shaped groove plate, 601-Arc 602-Wing plate, 7-Angle plate, 701-First side plate, 702-Second side plate, 703-Waist-shaped hole, 8-Adjusting pad, 801-Arc-shaped groove, 802-Limiting block, 9-Wall plate, 901-Channel steel, 902-“U” bolt, 903-First nut, 904-First resin anchor, 10-Clamping plate, 101-Second nut, 102-Second resin anchor. Detailed Implementation

[0031] The following detailed description, in conjunction with the accompanying drawings and specific embodiments, provides a further detailed explanation of the anti-bending guide device for vertical shaft pipelines proposed in this utility model. The advantages and features of this utility model will become clearer from the following description. Please refer to the accompanying drawings for a more apparent and understandable understanding of the purpose, features, and advantages of this utility model.

[0032] The core idea of ​​this utility model is to provide a bending-resistant guide device for vertical shaft pipelines, so as to solve the problem that the existing bending-resistant guide devices installed in vertical shafts without guide beams or ladders have poor bending resistance and are prone to bending and deformation of pipelines.

[0033] To achieve the above-mentioned goals, this utility model provides a vertical shaft pipeline anti-bend guiding device, please refer to... Figure 3-6 ,like Figure 3-6 As shown, the vertical shaft pipe anti-bending guide device provided by this utility model includes an arc-shaped wall plate 1, multiple pipe clamps 2, multiple anchor rods 3, and multiple fastening mechanisms. The arc of the arc-shaped wall plate 1 is adapted to the arc of the inner wall of the vertical shaft 5. The multiple anchor rods 3 are used to fix the arc-shaped wall plate 1 to the inner wall of the vertical shaft 5. The arc-shaped wall plate 1 is provided with multiple sets of guide mechanisms along its arc length direction, and the multiple sets of guide mechanisms are correspondingly arranged with the multiple pipe clamps 2. The guide mechanism includes a pair of spaced-apart adjustment holes 4, and the adjustment holes 4 are arranged along the axial direction of the vertical shaft 5. The pipe clamps 2 are connected to the arc-shaped wall plate 1 through the pair of fastening mechanisms. At least a part of the fastening mechanism passes through the corresponding adjustment hole 4, and the fastening mechanism can reciprocate along the adjustment hole 4.

[0034] By installing the pipe clamp 2 on the arc-shaped wall plate 1 that is close to the inner wall of the vertical shaft 5, the distance from the center of the pipe 501 to the support point on the inner wall of the vertical shaft 5 is shortened. This greatly shortens the lever arm compared to existing anti-bending guide devices. Under the condition that the axial temperature force of the pipe 501 remains unchanged, the bending moment is greatly reduced. Thus, the vertical shaft pipe anti-bending guide device provided by this utility model can maintain a stable installation state when subjected to the temperature force of the pipe 501. Therefore, this utility model has good anti-bending performance, and the pipe 501 installed on it is not easy to deform.

[0035] Furthermore, the adjustment hole 4 on the arc-shaped wall panel 1 can accommodate the expansion and contraction distance of the pipe 501 caused by temperature differences, eliminating the need to consider the installation season when installing the pipe 501. Specifically, the steel pipe 501 undergoes thermal expansion and contraction under temperature influences, generating strong temperature stress that drives the pipe clamp 2 to move along the adjustment hole 4 on the arc-shaped wall panel 1. This ensures that the pipe 501 does not impact the overall device during the release of temperature stress, resulting in good bending resistance. Moreover, this invention ensures that the pipe 501 is always rigidly constrained by the pipe clamp 2, effectively preventing bending instability caused by displacement accumulation and guaranteeing the long-term linear stability and safety of the pipe 501 under dynamic changes.

[0036] Furthermore, according to Article 5.2.2, Paragraph 3 of the "Design Code for Underground Drainage Pumping Stations and Drainage Pipelines in Coal Mines" (GB / T 50451-2017), "When the vertical height of the drainage pipeline is large, it is advisable to add several straight pipe supports and supporting beams in the middle, with a spacing of 150m to 200m." Therefore, the pipeline needs to be constrained every 150m to 200m, and anti-bending guide devices need to be installed in the middle. The formula for calculating the temperature displacement of steel pipe pipelines is: ΔL=α×L×ΔT, where ΔL is the displacement and α is the linear expansion coefficient (the linear expansion coefficient of steel pipes is taken as 11.8×10). -6 ( / ℃), L is the pipeline length (200m), and ΔT is the temperature difference.

[0037] Preferably, the vertical travel of the pipe clamp 2 relative to the arc-shaped wall panel 1 is 150mm, according to ΔT=0.15m / 11.8×10 -6 / ℃ / 200m=63.6℃, ​​which calculates to allow a temperature difference of 63.6℃ during the operation of pipeline 501 in this utility model. Pipeline 501 is installed in winter, and the temperature difference is greatest in summer, when the elongation of pipeline 501 reaches its maximum. In winter, the ambient temperature is -30℃, and in summer, the temperature of pipeline 501 is the temperature of the conveyed medium, mine water, which is generally lower than 30℃. The difference does not exceed 63.6℃. Therefore, in this utility model, the installation season of pipeline 501 does not need to be considered, and it can meet the needs of the expansion and contraction distance of pipeline 501 caused by temperature difference. In particular, the length of the adjustment hole 4 can be adjusted according to the material of pipeline 501 and the expansion and contraction length caused by temperature difference, which is highly adaptable.

[0038] In addition, because the arc-shaped wall panel 1 can fit tightly against the inner wall of the shaft 5, the space utilization rate is greatly improved compared with the existing anti-bending guide device, effectively solving the problem of insufficient space for anti-bending device arrangement in small spaces and multi-pass pipeline systems. One or more pipe clamps 2 can be connected to the arc-shaped wall panel 1, so this utility model can be used for single-pass pipelines or can realize synchronous anti-bending guidance for multiple pipelines.

[0039] Please continue to refer to this. Figure 3 ,like Figure 3 As shown, the arc-shaped wall panel 1 includes an arc-shaped groove plate 6 and corner plates 7 disposed on both sides of the arc-shaped groove plate 6. The guide mechanism is disposed on the arc-shaped groove plate 6, and the anchor rod 3 is disposed in a one-to-one correspondence with the corner plate 7.

[0040] Thus, by tightly fitting one side of the arc-shaped groove plate 6 to the inner wall of the vertical shaft 5 and fixing the other side to the pipe clamp 2, the distance between the pipeline 501 and the inner wall of the vertical shaft 5 is shortened, improving the overall bending resistance of the device. At the same time, one end of the anchor rod 3 is fixedly connected to the corner plates 7 on both sides of the arc-shaped groove plate 6, and the other end is fixedly connected to the inner wall of the vertical shaft 5, thereby achieving stable fixing of the arc-shaped wall plate 1 to the inner wall of the vertical shaft 5.

[0041] For further information, please refer to the following: Figure 6 ,like Figure 6 As shown, the arc-shaped groove plate 6 includes an arc-shaped web plate 601 and a pair of wing plates 602 respectively disposed at both ends of the arc-shaped web plate 601. The corner plate 7 is fixed on the wing plates 602, and the guide mechanism is disposed on the arc-shaped web plate 601.

[0042] Therefore, with this configuration, the end face of the wing plate 602 can fit tightly against the inner wall of the shaft 5, and the arc-shaped web plate 601 can provide an installation position and stable support for the pipe clamp 2. While shortening the distance between the pipe 501 and the inner wall of the shaft 5, it can also ensure that the pipe 501 and the inner wall of the shaft 5 are installed in parallel.

[0043] Furthermore, the arc-shaped channel plate 6 includes two wing plates 602 and an arc-shaped web plate 601. The two wing plates 602 are connected to the two side edges of the arc-shaped web plate 601 respectively. The two wing plates 602 are arranged parallel to each other along the axial direction of the shaft 5. The end face of the wing plate 602 away from the arc-shaped web plate 601 is arc-shaped, and the radius of curvature and bending direction are the same as the inner wall of the shaft 5. The bending direction of the arc-shaped web plate 601 is the same as the inner wall of the shaft 5. The adjustment hole 4 is provided on the arc-shaped web plate 601 along the axial direction of the shaft 5, thereby allowing the wing plate 602 to be adjusted. The pipe clamp 2 and the inner wall of the vertical shaft 5 can fit tightly together. By installing the pipe clamp 2 on the arc-shaped web 601, the distance between the pipe 501 and the inner wall of the vertical shaft 5 can be effectively shortened, thereby improving the overall bending resistance of this utility model. By setting the adjustment hole 4, it is ensured that when the pipe 501 is elongated or shortened due to temperature, the pipe clamp 2 can move along the adjustment hole 4 with the pipe 501, ensuring that the pipe clamp 2 always provides radial constraint to the pipe 501 and prevents the pipe 501 from bending. Preferably, the arc-shaped channel plate 6 is a hot-bent channel steel.

[0044] Please refer to Figure 5 and Figure 8 ,like Figure 5 and Figure 8 As shown, the fastening mechanism includes a matching bolt 201 and nut 207. The bolt 201 includes a connected screw 202 and bolt head 203. The adjusting hole 4 includes a connected circular hole 401 and a strip hole 404. The diameter of the circular hole 401 is larger than the diameter of the bolt head 203, and the diameter of the strip hole 404 is smaller than the diameter of the bolt head 203 but larger than the diameter of the screw 202.

[0045] Therefore, this arrangement not only ensures that the bolt head 203 of the bolt 201 can pass through the circular hole 401 and move to the back of the arc-shaped wall panel 1, but also ensures that the screw 202 of the bolt 201 can pass through the strip hole 404 and extend to the side of the arc-shaped wall panel 1 near the pipe clamp 2 to connect with the nut 207, so as to conveniently fix the pipe clamp 2 stably on the arc-shaped wall panel 1.

[0046] Furthermore, the bolt head 203 is fixedly connected to the screw 202. Both the circular hole 401 and the strip hole 404 are through holes. The circular hole 401 is located at one end of the strip hole 404. The screw 202 of the bolt 201 can pass through the strip hole 404 and be threadedly connected to the pipe clamp 2 and the nut 207. It can also move along the strip hole 404, thereby enabling the pipe clamp 2 to be adjusted and installed on the arc-shaped wall panel 1.

[0047] Please refer to Figure 7 and Figure 8 ,like Figure 7 and Figure 8 As shown, the guiding mechanism further includes a first limiting component that corresponds one-to-one with the adjusting hole 4. The first limiting component is located on the side of the arc-shaped wall plate 1 near the inner wall of the vertical shaft 5. The first limiting component includes a pair of limiting plates 402 respectively disposed on both sides of the strip hole 404. The bolt head 203 is located between the two limiting plates 402 of the first limiting component. The first limiting component is used to restrict the rotational movement of the fastening mechanism.

[0048] Thus, the first limiting component can limit the bolt head 203 to prevent it from rotating during installation, thereby facilitating the installation of the bolt 201 and the nut 207.

[0049] Furthermore, the limiting plate 402 is welded to the arc-shaped wall plate 1, and the two limiting plates 402 of the first limiting component are arranged in parallel. When the bolt 201 is installed, the bolt head 203 is stuck between the two limiting plates 402 and cannot rotate. It can only move along the length direction of the limiting plate 402. The bolt head 203 is pressed against the arc-shaped wall plate 1 and cannot pass through the adjustment hole 4, thus facilitating the installation of the nut 207 on the screw 202 of the bolt 201 and ensuring that the tightening operation of the nut 207 is carried out smoothly.

[0050] Please continue to refer to this. Figure 8 ,like Figure 8 As shown, the bolt head 203 has a hexagonal structure, and the distance between the two limiting plates 402 of the first limiting component is greater than the width of opposite sides of the bolt head 203 and less than the width of opposite corners of the bolt head 203.

[0051] Therefore, after the external hex bolt head 203 is installed between the two limiting plates 402, the rotation of the bolt head 203 can be restricted, which facilitates the installation of the bolt 201 and the nut 207.

[0052] Specifically, the width of opposite sides of the bolt head 203 is the distance between the parallel surfaces of the bolt head 203 and the wrench in contact, and the diagonal width of the bolt head 203 is the maximum distance between the two opposite vertices of the bolt head 203. The distance between the two limiting plates 402 of the first limiting assembly is greater than the width of opposite sides of the bolt head 203, which enables the bolt head 203 to be smoothly installed between the two limiting plates 402. The distance between the two limiting plates 402 is less than the diagonal width of the bolt head 203, so that the rotation of the bolt head 203 is restricted by the diagonal corners of the bolt head 203 abutting against the limiting plates 402 when rotating.

[0053] Please continue to refer to this. Figure 8 ,like Figure 8 As shown, the first limiting component also includes a pair of limiting protrusions 403 respectively disposed on both sides of the strip hole 404. The limiting protrusions 403 are connected to the end of the limiting plate 402 near the circular hole 401. The distance between the two limiting protrusions 403 of the first limiting component is less than the width of opposite sides of the bolt head 203.

[0054] Therefore, by the limiting protrusion 403 cooperating with the bolt head 203 of the bolt 201, and the end of the strip hole 404 away from the circular hole 401 cooperating with the screw 202 of the bolt 201, the movement stroke of the bolt 201 on the arc-shaped wall plate 1 can be limited, ensuring that the bolt 201 can only move up and down within the strip hole 404, thereby preventing the bolt 201 from coming out of the adjustment hole 4.

[0055] Furthermore, limiting protrusions 403 are welded onto both limiting plates 402. The two limiting protrusions 403 are arranged opposite each other. The limiting protrusions 403 can prevent the bolt head 203 from entering the circular hole 401. Thus, when the bolt 201 moves towards the end of the strip hole 404 near the circular hole 401, the side of the bolt head 203 of the bolt 201 abuts against the limiting protrusion 403, thereby reaching the end of the top stroke and preventing the bolt head 203 from entering the circular hole 401 and detaching from the arc-shaped wall plate 1. This also prevents the pipe clamp 2 from taking the bolt 201 off the arc-shaped wall plate 1. When the bolt 201 moves towards the end of the strip hole 404 away from the circular hole 401, the screw 202 of the bolt 201 abuts against the end of the strip hole 404, thereby reaching the end of the bottom stroke.

[0056] Please refer to Figure 5 ,like Figure 5 As shown, the pipe clamp 2 includes an arched portion 204 and connecting portions 205 disposed on both sides of the arched portion 204. The connecting portion 205 is provided with mounting holes 206 that correspond to the adjusting hole 4 and are adapted to the fastening mechanism.

[0057] Therefore, by setting the arched part 204 of the pipe clamp 2, the pipe 501 can be effectively limited and the pipe 501 can be stably fixed on the arc-shaped wall plate 1, thereby guiding the pipe 501. By connecting the nut 207 and the screw 202 of the bolt 201 with threads, the connecting part 205 is pressed onto the arc-shaped wall plate 1, thereby stably fixing the pipe clamp 2 to the arc-shaped wall plate 1.

[0058] Furthermore, the pipe clamp 2 is made of steel strip with an "Ω" shaped cross section. Two connecting parts 205 are symmetrically arranged on both sides of the arched part 204, and the connecting parts 205 and the arched part 204 are an integral structure. The inner diameter of the arched part 204 is adapted to the outer diameter of the pipe 501, thereby clamping the pipe 501 onto the arc-shaped wall plate 1. The mounting hole 206 is a circular through hole. The bolt 202 of the bolt 201 passes through the strip hole 404 and the mounting hole 206 in sequence and is threadedly connected to the nut 207. Thus, the nut 207 presses the connecting part 205 onto the arc-shaped wall plate 1, realizing the fixing operation of the pipe clamp 2 and the pipe 501 on the arc-shaped wall plate 1.

[0059] Please continue to refer to this. Figure 5 ,like Figure 5 As shown, the side of the arc-shaped wall panel 1 away from the inner wall of the vertical shaft 5 also has a plurality of adjusting pads 8. The plurality of adjusting pads 8 are arranged in a one-to-one correspondence with the plurality of pipe clamps 2. The adjusting pads 8 can deform to adjust the distance between the arc-shaped wall panel 1 and the pipe clamps 2.

[0060] Therefore, by adjusting the distance between the arc-shaped wall plate 1 and the pipe clamp 2 by setting the adjusting pad 8, the pipe 501 can be pressed against the inner wall of the arched part 204 of the pipe clamp 2, so as to stably fix the pipe 501 in the pipe clamp 2.

[0061] Please continue to refer to this. Figure 5 ,like Figure 5 As shown, the side of the adjusting pad 8 away from the arc-shaped wall plate 1 is provided with an arc-shaped groove 801 that matches the outer diameter of the pipeline 501; the side of the arc-shaped wall plate 1 away from the inner wall of the vertical shaft 5 is provided with multiple sets of second limiting components, and the multiple sets of second limiting components are arranged one-to-one with the multiple adjusting pads 8. The second limiting component includes a pair of limiting blocks 802 spaced apart along the axial direction of the vertical shaft 5, and the adjusting pad 8 is disposed between the two limiting blocks 802 of the second limiting component.

[0062] Therefore, the adjusting pad 8 is pressed against the pipeline 501 through the arc-shaped groove 801, which can achieve stable fixation of the pipeline 501. At the same time, the limiting block 802 can limit the adjusting pad 8 to prevent the adjusting pad 8 from moving with the pipeline 501.

[0063] Furthermore, the inner diameter of the arc-shaped groove 801 of the adjusting pad 8 is adapted to the outer diameter of the pipe 501, so that the adjusting pad 8 can be pressed against the pipe 501, and the end of the adjusting pad 8 away from the arc-shaped groove 801 is pressed against the arc-shaped wall plate 1, so that the distance between the arc-shaped wall plate 1 and the pipe clamp 2 can be adjusted by its own deformation, and the pipe 501 is stably fixed in the pipe clamp 2. Specifically, the limiting block 802 is welded to the arc-shaped wall plate 1, and the adjusting pad 8 is snapped between the two limiting blocks 802 to achieve limiting.

[0064] Please refer to Figure 6 ,like Figure 6 As shown, the corner plate 7 includes a first side plate 701 and a second side plate 702 connected together. The first side plate 701 is connected to the side of the arc-shaped groove plate 6. The second side plate 702 is provided with a waist-shaped hole 703. The end of the anchor rod 3 passes through the waist-shaped hole 703 and connects to the inner wall of the vertical shaft 5.

[0065] Therefore, by using the anchor rod 3, the angle plate 7 can be stably fixed to the inner wall of the shaft 5, thereby achieving a stable connection between the arc-shaped wall panel 1 and the inner wall of the shaft 5. The waist-shaped hole 703 allows the anchor rod 3 to flexibly adjust its installation position according to the site conditions.

[0066] Furthermore, multiple corner plates 7 are symmetrically welded on both sides of the arc-shaped groove plate 6. Each corner plate 7 includes a vertically arranged first side plate 701 and a second side plate 702. The first side plate 701 and the second side plate 702 are integral structures. The first side plate 701 is welded to the side of the wing plate 602, and the second side plate 702 is tightly attached to the inner wall of the shaft 5. The head of the anchor rod 3 is connected to a hole drilled in the inner wall of the shaft 5, and the tail of the anchor rod 3 extends out from the waist-shaped hole 703 on the second side plate 702 and is connected to a nut, thereby fixing the corner plate 7 to the shaft 5. Preferably, the corner plate 7 is an angle steel.

[0067] Preferably, the anchor rod 3 is made of 16Mn steel; the adjusting pad 8 is made of polytetrafluoroethylene.

[0068] Because 16Mn steel has high strength, good toughness, and excellent weldability, the anchor rod 3 made of 16Mn steel can provide stable and reliable tensile and shear bearing capacity in the humid and corrosive environment of the vertical shaft, ensuring the long-term safe fixation of the vertical shaft pipeline anti-bending guide device provided by this utility model. Because polytetrafluoroethylene (PTFE) has good flexibility and corrosion resistance, the adjusting pad 8 made of PTFE can effectively extend the service life of the vertical shaft pipeline anti-bending guide device provided by this utility model, reducing maintenance frequency and cost.

[0069] In summary, compared with the prior art, the anti-bending guide device for vertical shaft pipelines provided by this utility model has the following beneficial effects:

[0070] By installing the pipe clamp 2 on the arc-shaped wall plate 1 that is close to the inner wall of the vertical shaft 5, the distance from the center of the pipe 501 to the support point on the inner wall of the vertical shaft 5 is shortened. This greatly shortens the lever arm compared to existing anti-bending guide devices. Under the condition that the axial temperature force of the pipe 501 remains unchanged, the bending moment is greatly reduced. As a result, the vertical shaft pipe anti-bending guide device of this utility model maintains a stable installation state when subjected to the temperature force of the pipe 501. Therefore, the overall bending resistance of this utility model is good, and the pipe 501 installed therein is not easily deformed.

[0071] Meanwhile, by setting adjustment holes 4 on the arc-shaped wall panel 1, the expansion and contraction distance of the pipe 501 caused by temperature difference can be met, so that the installation of the pipe 501 does not need to consider the installation season. Specifically, the steel pipe 501 will expand and contract when affected by temperature. The strong temperature stress generated can drive the pipe clamp 2 to move along the adjustment holes 4 on the arc-shaped wall panel 1, ensuring that the pipe 501 will not cause impact on the whole device during the release of temperature stress. This makes the bending resistance of this utility model good, and this utility model can ensure that the pipe 501 is always rigidly laterally constrained by the pipe clamp 2, effectively avoiding bending instability caused by displacement accumulation, and ensuring the long-term straight stability and safety of the pipe 501 under dynamic changes. The adjustment holes 4 can also be adjusted according to the material of the pipe 501 and the expansion and contraction length caused by temperature difference, which has strong adaptability.

[0072] Furthermore, because the arc-shaped wall panel 1 can fit tightly against the inner wall of the vertical shaft 5, the space utilization rate is greatly improved compared with the existing anti-bending guide device, effectively solving the problem of insufficient space for anti-bending device arrangement in small spaces and multi-pass pipeline systems. One or more pipe clamps 2 can be connected to the arc-shaped wall panel 1. This utility model can be used for a single pipeline or can realize synchronous anti-bending guidance for multiple pipelines.

[0073] The above description is only a description of the preferred embodiment of the present utility model and is not intended to limit the scope of the present utility model in any way. Any changes or modifications made by those skilled in the art based on the above disclosure shall fall within the protection scope of the present utility model.

Claims

1. A vertical shaft pipeline anti-bend guiding device, characterized in that, It includes an arc-shaped wall panel, multiple pipe clamps, multiple anchor bolts, and multiple fastening mechanisms. The arc of the arc-shaped wall panel is adapted to the arc of the inner wall of the vertical shaft. The plurality of anchor bolts are used to fix the arc-shaped wall panel to the inner wall of the vertical shaft; The arc-shaped wall panel is provided with multiple sets of guiding mechanisms along its arc length, and the multiple sets of guiding mechanisms are respectively set with the multiple pipe clamps; The guiding mechanism includes a pair of spaced-apart adjustment holes, which are arranged along the axial direction of the vertical shaft. The pipe clamp is connected to the arc-shaped wall panel through a pair of fastening mechanisms. At least a portion of the fastening mechanism passes through the corresponding adjustment hole, and the fastening mechanism can reciprocate along the adjustment hole.

2. The anti-bend guide device for vertical shaft pipelines as described in claim 1, characterized in that, The arc-shaped wall panel includes an arc-shaped groove plate and corner plates disposed on both sides of the arc-shaped groove plate. The guide mechanism is disposed on the arc-shaped groove plate, and the anchor rod is disposed in a one-to-one correspondence with the corner plate.

3. The anti-bend guide device for vertical shaft pipelines as described in claim 2, characterized in that, The arc-shaped groove plate includes an arc-shaped web and a pair of wing plates respectively disposed at both ends of the arc-shaped web. The corner plate is fixed to the wing plates, and the guide mechanism is disposed on the arc-shaped web.

4. The anti-bend guide device for vertical shaft pipelines as described in claim 1, characterized in that, The fastening mechanism includes a matching bolt and nut. The bolt includes a connected screw and a bolt head. The adjusting hole includes a connected circular hole and a strip hole. The diameter of the circular hole is larger than the diameter of the bolt head, and the diameter of the strip hole is smaller than the diameter of the bolt head but larger than the diameter of the screw.

5. The anti-bend guide device for vertical shaft pipelines as described in claim 4, characterized in that, The guiding mechanism further includes a first limiting component that corresponds to each of the adjusting holes. The first limiting component is located on the side of the arc-shaped wall panel near the inner wall of the vertical shaft. The first limiting component includes a pair of limiting plates respectively located on both sides of the strip hole. The bolt head is located between the two limiting plates of the first limiting component. The first limiting component is used to restrict the rotational movement of the fastening mechanism.

6. The anti-bend guide device for vertical shaft pipelines as described in claim 5, characterized in that, The bolt head has a hexagonal structure, and the distance between the two limiting plates of the first limiting component is greater than the width of opposite sides of the bolt head and less than the width of opposite corners of the bolt head.

7. The anti-bend guide device for vertical shaft pipelines as described in claim 6, characterized in that, The first limiting component also includes a pair of limiting protrusions respectively disposed on both sides of the strip hole. The limiting protrusions are connected to the end of the limiting plate near the circular hole. The distance between the two limiting protrusions of the first limiting component is less than the width of opposite sides of the bolt head.

8. The anti-bend guide device for vertical shaft pipeline as described in claim 1, characterized in that, The pipe clamp includes an arched portion and connecting portions located on both sides of the arched portion. The connecting portions are provided with mounting holes that correspond to the adjustment holes and are adapted to the fastening mechanism.

9. The anti-bend guide device for vertical shaft pipelines as described in claim 1, characterized in that, The side of the arc-shaped wall panel away from the inner wall of the vertical shaft also has a plurality of adjusting pads. The plurality of adjusting pads are arranged one-to-one with the plurality of pipe clamps. The adjusting pads can deform to adjust the distance between the arc-shaped wall panel and the pipe clamps.

10. The anti-bend guide device for vertical shaft pipelines as described in claim 9, characterized in that, The side of the adjusting pad away from the arc-shaped wall panel is provided with an arc-shaped groove that matches the outer diameter of the pipeline; the side of the arc-shaped wall panel away from the inner wall of the vertical shaft is provided with multiple sets of second limiting components, and the multiple sets of second limiting components are arranged one-to-one with the multiple adjusting pads. The second limiting component includes a pair of limiting blocks spaced apart along the axial direction of the vertical shaft, and the adjusting pad is disposed between the two limiting blocks of the second limiting component.

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