Automatic flow regulating device for natural gas pipeline
By designing a protective frame and elastic sleeve structure in the automatic flow rate regulation device for natural gas pipelines, the problem of the signal device being susceptible to external impacts has been solved, achieving the effects of improved protection capabilities and convenient maintenance.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHANGTAI BRANCH OF ZHANGZHOU ANRAN GAS CO LTD
- Filing Date
- 2025-07-18
- Publication Date
- 2026-07-14
AI Technical Summary
The signal devices of existing automatic flow rate regulation devices for natural gas pipelines are located externally, making them susceptible to external impacts and lacking sufficient protection.
A structure including a control frame, a signal receiver, a controller, a protective frame, a spring, and a tie column is designed. The signal receiver and controller are protected by the protective frame and elastic sleeve, the spring and rubber sleeve are used for buffering to increase the protection capability, and the tie column facilitates maintenance.
It improves the protection capabilities of the signal receiver and controller, extends their service life, and facilitates the inspection and maintenance of the device.
Smart Images

Figure CN224498228U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of natural gas pipeline technology, and in particular to an automatic flow rate regulating device for natural gas pipelines. Background Technology
[0002] Natural gas is a common energy source in people's lives and is usually transported through pipelines to provide convenience for residents. In order to achieve stable transmission, it is necessary to control the flow rate of natural gas during transmission.
[0003] The "Automatic Flow Rate Regulation System for Natural Gas Pipelines" described in patent application number "202322996906.0" includes a pipeline body. An installation port is located on the left side of the pipeline body's middle section. A sealing plate is slidably connected inside the installation port. Connecting components are fixedly connected to both the front and rear sides of the sealing plate. An installation groove is formed on the side of the sealing plate closest to the middle section of the pipeline body. A control valve body is housed inside the installation groove. Second connecting blocks are fixedly connected to both the front and rear sides of the middle section of the pipeline body. Bolts are threaded into the second connecting blocks. A sealing component is located on the outer side of the middle section of the pipeline body. In this invention, the cooperation between the pipeline body, installation port, sealing plate, installation groove, control valve body, second connecting blocks, and bolts facilitates the replacement of the control valve in the automatic flow rate regulation system for natural gas pipelines, improving the practicality of the regulation system.
[0004] However, the applicant believes that the device has the following problems: after the natural gas pipeline is installed outdoors, its signal device is located outside and is easily damaged by external impacts, resulting in insufficient protection. Utility Model Content
[0005] The purpose of this invention is to provide an automatic flow rate regulation device for natural gas pipelines, which solves the problem that signal devices are located externally and are easily affected by external impacts, resulting in insufficient protection.
[0006] To achieve the above objectives, an automatic flow rate regulation device for natural gas pipelines is provided, comprising: a control frame, a signal receiver and a controller fixedly connected to the upper surface of the control frame, a plurality of first springs fixedly connected to the inner wall of the control frame, two base plates slidably connected inside the control frame, the lower surfaces of the two base plates being fixedly connected to the upper ends of the plurality of first springs respectively, mounting brackets fixedly connected to the upper surfaces of the two base plates, a protective frame provided outside the signal receiver and controller, the lower surface of the protective frame being inserted into the upper surfaces of the two mounting brackets respectively, and an elastic sleeve fixedly connected to the outside of the protective frame, which can protect the signal receiver and controller, prevent them from being damaged, and improve the protection capability;
[0007] Two second springs are fixedly connected to the inner walls of both mounting brackets, and two pull columns are slidably connected inside both mounting brackets. One end of each of the four pull columns is slidably connected to the inside of the protective frame, and a mounting ring is fixedly connected to the outside of each of the four pull columns. The side of the mounting ring is fixedly connected to one end of the second spring, which facilitates the disassembly of the protective frame by the staff and facilitates the maintenance by the staff.
[0008] According to the aforementioned automatic flow rate adjustment device for natural gas pipelines, the second spring is sleeved on the outside of the pull column, and one end of the pull column extends to the outside of the mounting frame, making it convenient for workers to pull the pull column.
[0009] According to the aforementioned automatic flow rate adjustment device for natural gas pipelines, a first pipeline is fixedly connected to one side of the control frame, and a second pipeline is fixedly connected to the other side of the control frame, facilitating the transportation of gas using the first and second pipelines. Gas flows in from the second pipeline, making it convenient to detect changes in gas flow rate.
[0010] According to the aforementioned automatic flow rate adjustment device for natural gas pipelines, two baffles are slidably connected inside the control frame, and electric telescopic rods are fixedly connected to both opposite sides of the control frame. The output ends of the two electric telescopic rods are respectively fixedly connected to the sides of the two baffles, which facilitates changing the cross-sectional area of the second pipeline, thereby controlling the automatic gas flow rate.
[0011] According to the aforementioned automatic flow rate adjustment device for natural gas pipelines, a protective cylinder is provided on the outside of the electric telescopic rod, and an installation collar is fixedly connected to the outside of the protective cylinder. The side of the installation collar is connected to the side of the control frame by fixing bolts, and the protective cylinder facilitates the protection of the electric telescopic rod.
[0012] According to the aforementioned automatic flow rate adjustment device for natural gas pipelines, a flow rate sensor is fixedly connected to the inner wall of the first pipeline, and the side surface of the mounting ring is slidably connected to the inner wall of the mounting bracket. The flow rate sensor can detect the gas flow rate, facilitating automatic adjustment.
[0013] According to the aforementioned automatic flow rate adjustment device for natural gas pipelines, the side surface of the base plate is slidably connected to the inner wall of the control frame, the cross-section of the base plate is rectangular, and the control frame can limit the sliding of the base plate to ensure smooth sliding.
[0014] According to the aforementioned automatic flow rate adjustment device for natural gas pipelines, the elastic sleeve is made of rubber to facilitate buffering of impacts.
[0015] The above-mentioned solution has the following beneficial effects:
[0016] 1. When the signal receiver and controller are subjected to impact, the protective frame can protect against the impact, which helps to extend the service life of the signal receiver and controller. The rubber sleeve and the first spring can provide cushioning, which helps to increase the impact resistance, prevent damage to the signal receiver and controller, and improve the protection capability of the device.
[0017] 2. When it is necessary to inspect and repair the signal receiver and controller, the pull column can be pulled to release the pull column's restriction on the protective frame, making it convenient for staff to disassemble the protective frame. During installation, the second spring pulls the mounting ring and pull column to move, thereby inserting the pull column into the protective frame to complete the installation of the protective frame. This makes it convenient for staff to disassemble and repair the protective frame.
[0018] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description
[0019] The present invention will be further described below with reference to the accompanying drawings and embodiments;
[0020] Figure 1 This is a perspective view of an automatic flow velocity adjustment device for natural gas pipelines according to the present invention;
[0021] Figure 2 This is a side sectional view of an automatic flow velocity regulating device for natural gas pipelines according to the present invention;
[0022] Figure 3 This utility model relates to an automatic flow rate regulation device for natural gas pipelines. Figure 1 Enlarged view of point A in the middle;
[0023] Figure 4 This utility model relates to an automatic flow rate regulation device for natural gas pipelines. Figure 2 Enlarged view of point B in the middle.
[0024] Legend:
[0025] 1. First pipe; 2. Flow rate sensor; 3. Second pipe; 4. Control frame; 5. Protective cylinder; 6. Mounting collar; 7. Controller; 8. Signal receiver; 9. Protective frame; 10. Elastic sleeve; 11. Pull column; 12. Mounting ring; 13. Base plate; 14. First spring; 15. Second spring; 16. Baffle; 17. Electric telescopic rod; 18. Mounting bracket. Detailed Implementation
[0026] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.
[0027] Reference Figure 1-4 This utility model discloses an automatic flow rate adjustment device for natural gas pipelines, comprising: a control frame 4, a signal receiver 8 and a controller 7 fixedly connected to the upper surface of the control frame 4, the signal receiver 8 receiving the signal transmitted by the flow rate sensor 2 and transmitting the signal to the controller 7, which controls the electric telescopic rod 17; multiple first springs 14 fixedly connected to the inner wall of the control frame 4 for buffering; two base plates 13 slidably connected inside the control frame 4, the lower surfaces of the two base plates 13 being fixedly connected to the upper ends of the multiple first springs 14 respectively; mounting brackets 18 fixedly connected to the upper surfaces of the two base plates 13, the mounting brackets 18 being used to insert a protective frame 9; a protective frame 9 is provided outside the signal receiver 8 and the controller 7 for protection, the lower surface of the protective frame 9 being inserted into the upper surfaces of the two mounting brackets 18 respectively; and an elastic sleeve 10 fixedly connected to the outside of the protective frame 9 for buffering using the elasticity of the elastic sleeve 10.
[0028] Two second springs 15 are fixedly connected to the inner walls of both mounting brackets 18. The second springs 15 are used to pull the pull column 11 into the protective frame 9. Two pull columns 11 are slidably connected inside both mounting brackets 18. The pull columns 11 are used to limit the protective frame 9. One end of each of the four pull columns 11 is slidably connected to the inside of the protective frame 9. Mounting rings 12 are fixedly connected to the outside of each of the four pull columns 11. The mounting rings 12 are used to install the second springs 15. The side of the mounting rings 12 is fixedly connected to one end of the second springs 15.
[0029] The second spring 15 is sleeved on the outside of the pull post 11, one end of the pull post 11 extends to the outside of the mounting bracket 18, and the second spring 15 can be stably extended and retracted through the pull post 11.
[0030] The first pipe 1 is fixedly connected to one side of the control frame 4, and the second pipe 3 is fixedly connected to the other side of the control frame 4. Natural gas is transported through the first pipe 1 and the second pipe 3.
[0031] The control frame 4 has two baffles 16 slidably connected inside. Electric telescopic rods 17 are fixedly connected to the two opposite sides of the control frame 4. The output ends of the two electric telescopic rods 17 are fixedly connected to the sides of the two baffles 16 respectively. By extending and retracting the electric telescopic rods 17, the baffles 16 are driven to change the cross-sectional area, thereby adjusting the natural gas flow rate.
[0032] The electric telescopic pole 17 is equipped with a protective cylinder 5 on the outside. The protective cylinder 5 is fixedly connected to the installation collar 6. The side of the installation collar 6 is connected to the side of the control frame 4 by fixing bolts. The installation collar 6 and the protective cylinder 5 are installed on the control frame 4 by fixing bolts.
[0033] The flow rate sensor 2 is fixedly connected to the inner wall of the first pipeline 1, and the side surface of the mounting ring 12 is slidably connected to the inner wall of the mounting bracket 18. The flow rate sensor 2 is used to detect the natural gas flow rate.
[0034] The side surface of the base plate 13 is slidably connected to the inner wall of the control frame 4. The cross-section of the base plate 13 is rectangular. The control frame 4 can limit the sliding of the base plate 13, so that the base plate 13 can move stably up and down.
[0035] The elastic sleeve 10 is made of rubber and is used for cushioning.
[0036] Working principle: During use, the internal flow rate is detected by the flow rate sensor 2, and then the signal is sent to the signal receiver 8. After receiving the signal, the signal receiver 8 can control the electric telescopic rod 17 to push the baffle 16 through the controller 7, thereby controlling the gas flow rate. The controller 7 and the signal receiver 8 can be protected by the protective frame 9 and the elastic sleeve 10. When subjected to vertical impact, the first spring 14 can buffer the impact and increase the protective capacity of the protective frame 9. When it is necessary to repair the internal controller 7 and the signal receiver 8, the pull column 11 can be pulled to release the limit on the protective frame 9, making it convenient for the staff to perform maintenance. After the repair is completed, the second spring 15 pulls the mounting ring 12 and the pull column 11 to insert them into the protective frame 9 to complete the installation. The protective frame 9 is easy to install and remove.
[0037] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.
Claims
1. An automatic flow rate regulating device for natural gas pipelines, comprising: The control frame (4) is characterized in that a signal receiver (8) and a controller (7) are fixedly connected to the upper surface of the control frame (4), a plurality of first springs (14) are fixedly connected to the inner wall of the control frame (4), two base plates (13) are slidably connected inside the control frame (4), the lower surfaces of the two base plates (13) are respectively fixedly connected to the upper ends of the plurality of first springs (14), the upper surfaces of the two base plates (13) are fixedly connected to mounting brackets (18), a protective frame (9) is provided outside the signal receiver (8) and the controller (7), the lower surface of the protective frame (9) is respectively inserted into the upper surfaces of the two mounting brackets (18), and an elastic sleeve (10) is fixedly connected to the outside of the protective frame (9). Two second springs (15) are fixedly connected to the inner walls of the two mounting brackets (18). Two pull columns (11) are slidably connected inside the two mounting brackets (18). One end of each of the four pull columns (11) is slidably connected to the inside of the protective frame (9). An installation ring (12) is fixedly connected to the outside of each of the four pull columns (11). The side of the installation ring (12) is fixedly connected to one end of the second spring (15).
2. The automatic flow rate regulating device for a natural gas pipeline according to claim 1, characterized in that, The second spring (15) is sleeved on the outside of the pull post (11), one end of which extends to the outside of the mounting bracket (18).
3. The automatic flow rate regulating device for a natural gas pipeline according to claim 1, characterized in that, The first pipe (1) is fixedly connected to one side of the control frame (4), and the second pipe (3) is fixedly connected to the other side of the control frame (4).
4. The automatic flow rate regulating device for a natural gas pipeline according to claim 1, characterized in that, The control frame (4) has two baffles (16) slidably connected inside. The control frame (4) has electric telescopic rods (17) fixedly connected to both opposite sides. The output ends of the two electric telescopic rods (17) are fixedly connected to the sides of the two baffles (16) respectively.
5. The automatic flow rate regulating device for a natural gas pipeline according to claim 4, characterized in that, The electric telescopic rod (17) is provided with a protective cylinder (5) on the outside. The protective cylinder (5) is fixedly connected to the outside of the mounting ring (6). The side of the mounting ring (6) is connected to the side of the control frame (4) by fixing bolts.
6. The automatic flow rate regulating device for a natural gas pipeline according to claim 3, characterized in that, A flow rate sensor (2) is fixedly connected to the inner wall of the first pipe (1), and the side surface of the mounting ring (12) is slidably connected to the inner wall of the mounting bracket (18).
7. The automatic flow rate regulating device for a natural gas pipeline according to claim 1, characterized in that, The side surface of the base plate (13) is slidably connected to the inner wall of the control frame (4), and the cross-section of the base plate (13) is rectangular.
8. The automatic flow rate regulating device for a natural gas pipeline according to claim 1, characterized in that, The elastic sleeve (10) is made of rubber.