Self-adaptive concrete circulating water cooling pipe joint

Abstract

The utility model relates to the technical field of valves, in particular to a self-adaptive concrete circulating water cooling pipe connector which comprises a valve body, flanges are arranged on the two sides of the valve body, a main flow channel and a temperature measuring flow channel are formed in the valve body, and a valve element is arranged in the main flow channel. The opening degree adjusting assembly comprises a bimetallic strip valve control system and a valve locking system; the angle locking device is used for locking the opening and closing angle of the valve element when the flow speed exceeds a set value; the double-metal-sheet valve control system and the valve locking system are combined for use, when high-speed water flow impact is detected, mechanical braking is automatically triggered, and the position of the valve is locked within a short time; and meanwhile, through the arrangement of the disc-shaped bimetallic strip, deformation can be generated in time when the temperature changes, and the valve element is driven to rotate, so that the concrete circulating water cooling pipe joint can keep the set opening degree within the large flow speed range, and the impact resistance stability is good.

Description

Technical Field

[0001] This utility model relates to the field of valve technology, specifically to an adaptive concrete circulating water cooling pipe joint. Background Technology

[0002] With the widespread application of large-volume concrete structures, the control of temperature stress cracks caused by hydration heat has become a key challenge. Currently, concrete temperature control technology mainly relies on circulating water cooling systems. The core component, the cooling water pipe joint, can be divided into three categories: (1) Manual adjustment valve joint, which uses flanges to connect cooling water pipes and manually operates gate valves or ball valves to adjust the water flow. It has a simple structure and low cost; (2) Electric control intelligent joint, which integrates temperature sensors and servo motors to drive valves and realizes closed-loop flow regulation through PLC controllers. This type of joint can shorten the adjustment response time in laboratory environments; (3) Hydraulic self-driven joint, such as turbine-gear transmission temperature control joint, which senses flow changes through turbine speed and mechanically links gear sets to adjust the opening of bypass valve.

[0003] Existing cooling water pipe joints have the following obvious defects when in use:

[0004] (1) Reliability defects of existing temperature control solutions: The electric temperature control system in the electric control smart joint performs poorly in the harsh environment of the construction site. The electronic components are prone to moisture failure and require continuous power supply, which poses a safety hazard. Traditional mechanical temperature control devices use indirect temperature measurement, have slow response speed and limited adjustment accuracy, which cannot meet the precise temperature control requirements of the concrete pouring process. (2) Insufficient resistance to flow velocity impact: The manual adjustment valve joint performs poorly when dealing with sudden changes in flow velocity. The valve is prone to position drift and requires additional complex buffer structures. Although the electronic flow regulation solution has a fast response, its precision components are prone to wear under long-term high-pressure water flow, affecting the long-term stability of the system. (3) Technical shortcomings in environmental adaptability: The open mechanical structure of the existing joint is prone to blockage and wear under high solid content conditions. Although the fully sealed design can prevent pollutants from entering, it will lead to poor heat dissipation, causing the performance of temperature control components to degrade, making it difficult to balance protection and functionality. Utility Model Content

[0005] The purpose of this invention is to provide an adaptive concrete circulating water cooling pipe joint to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] An adaptive concrete circulating water cooling pipe joint, comprising:

[0008] The valve body has flanges on both sides, and the valve body has a main flow channel and a temperature measuring flow channel. The valve core is installed inside the main flow channel.

[0009] An opening adjustment assembly includes a bimetallic valve control system and a valve locking system. The bimetallic valve control system is used to adjust the opening and closing angle of the valve core according to the temperature, and the valve locking system is used to limit the opening and closing angle range of the valve core.

[0010] An angle locking device is used to lock the opening and closing angle of the valve core when the flow rate exceeds a set value.

[0011] Preferably, the bimetallic strip valve control system includes a disc-shaped bimetallic strip, a rotating shaft, a transmission gear, and a reduction gear. One end of the disc-shaped bimetallic strip is connected to the temperature measuring channel via a fixing member, and the other end of the disc-shaped bimetallic strip is connected to the rotating shaft via a connecting member. One end of the rotating shaft is rotatably connected to the temperature measuring channel, and the other end of the rotating shaft is connected to the transmission gear. The transmission gear and the reduction gear mesh with each other, and the reduction gear is coaxially connected to the valve core.

[0012] Preferably, the disc-shaped bimetallic sheet has a spiral-shaped linear structure.

[0013] Preferably, the ratio of the transmission arm of the transmission gear and the reduction adjustment gear is 1:5.

[0014] Preferably, the valve locking system includes an adjusting rocker arm and a limiting block. One end of the adjusting rocker arm is rotatably connected to the temperature measuring channel, and the other end of the adjusting rocker arm has a limiting groove. The limiting block is disposed on the reduction adjusting gear and is connected to the limiting groove.

[0015] Preferably, the angle locking device includes a turbine, a driving gear, a driven gear, a drive shaft, a flyweight, a brake arm, and a brake block. The turbine is disposed in the main flow channel. The turbine is connected to the driving gear via a connecting rod. The driving gear and the driven gear mesh with each other. The driven gear is connected to the drive shaft. The drive shaft is connected to the flyweight. When the drive shaft rotates, it drives the flyweight to push the brake arm. The brake arm is symmetrically disposed in the temperature measuring channel and is hinged to the temperature measuring channel. The brake block is connected to the reduction and adjustment gear. When the flyweight pushes the brake arm, the brake arm clamps the brake block.

[0016] Preferably, the flying hammer is connected to an adjusting arm. When the temperature changes, the adjusting arm will push the adjusting arm to move, thereby releasing the brake arm from the restriction of the brake block.

[0017] Preferably, four flying hammers are provided, which are arranged around the drive shaft, and the adjusting arm is set accordingly to the flying hammers.

[0018] Compared with the prior art, the beneficial effects of this utility model are: This application adopts a combination of a bimetallic strip valve control system and a valve locking system. When a high-speed water flow impact is detected, mechanical braking is automatically triggered to lock the valve position in a short time. At the same time, the disc-shaped bimetallic strip can deform in time when the temperature changes and drive the valve core to rotate, so that the concrete circulating water cooling pipe joint can maintain the set opening degree in a large flow velocity range and has good impact resistance and stability. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 1 ;

[0020] Figure 2 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 2 ;

[0021] Figure 3 This is a schematic diagram of the internal structure of the valve body of this utility model;

[0022] Figure 4 This is a schematic diagram of the connection structure of the disc-shaped bimetallic sheet, rotating shaft, transmission gear, and reduction and adjustment gear of this utility model.

[0023] Figure 5 This is a schematic diagram of the position and structure of the brake arm and brake block of this utility model;

[0024] Figure 6 This is a schematic diagram of the connection structure between the adjusting rocker arm and the limiting block of this utility model;

[0025] Figure 7 This is a schematic diagram of the connection structure of the drive shaft, flyweight, and adjusting arm of this utility model.

[0026] In the diagram: 1 Valve body, 2 Flange, 3 Valve core, 4 Disc-shaped bimetallic strip, 5 Rotating shaft, 6 Transmission gear, 7 Reduction adjusting gear, 8 Adjusting rocker arm, 9 Limit block, 10 Turbine, 11 Driving gear, 12 Driven gear, 13 Transmission shaft, 14 Flying hammer, 15 Brake arm, 16 Brake block, 17 Adjusting arm, 101 Main flow channel, 102 Temperature measuring flow channel, 401 Fixing component, 402 Connecting component, 801 Limit groove. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] Please see Figure 1-7 This utility model provides a technical solution:

[0029] An adaptive concrete circulating water cooling pipe joint, as per the instruction manual. Figure 1 As shown, it includes:

[0030] The valve body 1 has flanges 2 on both sides for mounting the valve body 1. The valve body 1 has a main flow channel 101 and a temperature measuring flow channel 102. The main flow channel 101 is for circulating water to pass through, and the temperature measuring flow channel 102 is for installing the bimetallic valve control system and the valve locking system. The main flow channel 101 has a valve core 3 inside. The function of the valve core 3 is to open or close the main flow channel 101. The opening degree of the adaptive concrete circulating water cooling pipe joint can be adjusted by changing the angle of the valve core 3.

[0031] The opening adjustment assembly includes a bimetallic valve control system and a valve locking system. The bimetallic valve control system is used to adjust the opening and closing angle of the valve core 3 according to the temperature, and the valve locking system is used to limit the opening and closing angle range of the valve core 3.

[0032] Angle locking device is used to lock the opening and closing angle of valve core 3 when the flow rate exceeds the set value.

[0033] The bimetallic strip valve control system includes a disc-shaped bimetallic strip 4, a rotating shaft 5, a transmission gear 6, and a reduction adjustment gear 7. In this embodiment, the disc-shaped bimetallic strip 4 is made of copper-iron composite material and is formed into a disc-shaped structure with a diameter of 50 mm by multi-layer rolling. The disc-shaped bimetallic strip 4 has a spiral structure. One end of the disc-shaped bimetallic strip 4 is connected to the temperature measuring channel 102 through a fixing member 401. The fixing member 401 and the temperature measuring channel 102 are hinged to each other. The fixing member 401 is fixedly connected to one end of the disc-shaped bimetallic strip 4. The other end of the disc-shaped bimetallic strip 4 is connected to the rotating shaft 5 through a connecting member 402. One end of the rotating shaft 5 is rotatably connected to the side wall of the temperature measuring channel 102. The other end of the rotating shaft 5 is connected to the transmission gear 6. The transmission gear 6 and the reduction adjustment gear 7 mesh with each other. The reduction adjustment gear 7 is coaxially connected to the valve core 3. Therefore, when the reduction adjustment gear 7 rotates, it will synchronously drive the valve core 3 to rotate.

[0034] In this embodiment, the ratio of the transmission arms of the transmission gear 6 and the reduction adjustment gear 7 is 1:5, thereby ensuring the torque amplification effect when the transmission gear 6 and the reduction adjustment gear 7 rotate.

[0035] The valve locking system includes an adjusting rocker arm 8 and a limiting block 9. One end of the adjusting rocker arm 8 is rotatably connected to a rod inside the temperature measuring channel 102, and the other end of the adjusting rocker arm 8 is provided with a limiting groove 801. The limiting groove 801 is used to restrict the movement of the limiting block 9. The limiting block 9 is fixedly connected to the reduction adjusting gear 7 and slidably connected to the limiting groove 801. Since the limiting block 9 can only move inside the limiting groove 801, the reduction adjusting gear 7 connected to the limiting block 9 can only move within a certain angle range. Furthermore, since the reduction adjusting gear 7 and the valve core 3 are coaxially connected, the valve core 3 can only move within a certain angle range.

[0036] The angle locking device includes a turbine 10, a drive gear 11, a driven gear 12, a drive shaft 13, a flyweight 14, a brake arm 15, and a brake block 16. The turbine 10 is located in the main flow channel 101 and is connected to the drive gear 11 via a connecting rod. The connecting rod is rotatably connected to the main flow channel 101. Both the drive gear 11 and the driven gear 12 are bevel gears and mesh with each other. The driven gear 12 is connected to the drive shaft 13, which is connected to the flyweight 14. The flyweight 14 is rotatably connected to the drive shaft 13. When the drive shaft 13 rotates, centrifugal force will cause the flyweight 14 to rotate. The moving hammer 14 pushes the brake arm 15, which is symmetrically arranged in the temperature measuring channel 102. The brake arm 15 is hinged to the rod inside the temperature measuring channel 102. The brake block 16 is connected to the reduction adjustment gear 7. When the hammer 14 pushes the brake arm 15, the brake arm 15 will clamp the brake block 16. The hammer 14 is connected to the adjustment arm 17. When the temperature changes, the adjustment rocker arm 8 will push the adjustment arm 17 to move, thereby releasing the brake arm 15 from restricting the brake block 16. There are four hammers 14, which are arranged around the transmission shaft 13. The adjustment arm 17 is set corresponding to the hammer 14.

[0037] Working principle:

[0038] When the temperature changes, the disc-shaped bimetallic strip 4 will contract or extend, thereby driving the transmission gear 6 to rotate. When the transmission gear 6 rotates, it will drive the reduction adjustment gear 7 to rotate and synchronously drive the valve core 3 to rotate.

[0039] When the water flow velocity is too high and impacts the valve core 3, the water flow drives the turbine 10 to rotate, which in turn drives the drive gear 11 to rotate. When the drive gear 11 rotates, it drives the driven gear 12 to rotate, which in turn drives the transmission shaft 13 to rotate. When the transmission shaft 13 rotates, the fly hammer 14 extends outward under centrifugal force, which in turn pushes the brake arm 15. The brake arm 15 will clamp the brake block 16 to lock the angle of the valve core 3.

[0040] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An adaptive concrete circulating water cooling pipe joint, characterized in that, include: The valve body has flanges on both sides, and the valve body has a main flow channel and a temperature measuring flow channel. The valve core is installed inside the main flow channel. An opening adjustment assembly includes a bimetallic valve control system and a valve locking system. The bimetallic valve control system is used to adjust the opening and closing angle of the valve core according to the temperature, and the valve locking system is used to limit the opening and closing angle range of the valve core. An angle locking device is used to lock the opening and closing angle of the valve core when the flow rate exceeds a set value.

2. The adaptive concrete circulating water cooling pipe joint according to claim 1, characterized in that: The bimetallic disc valve control system includes a disc-shaped bimetallic disc, a rotating shaft, a transmission gear, and a reduction gear. One end of the disc-shaped bimetallic disc is connected to the temperature measuring channel via a fixing member, and the other end of the disc-shaped bimetallic disc is connected to the rotating shaft via a connecting member. One end of the rotating shaft is rotatably connected to the temperature measuring channel, and the other end of the rotating shaft is connected to the transmission gear. The transmission gear and the reduction gear mesh with each other, and the reduction gear is coaxially connected to the valve core.

3. The adaptive concrete circulating water cooling pipe joint according to claim 2, characterized in that: The disc-shaped bimetallic sheet has a spiral linear structure.

4. The adaptive concrete circulating water cooling pipe joint according to claim 2, characterized in that: The ratio of the transmission arm of the transmission gear and the reduction adjustment gear is 1:

5.

5. The adaptive concrete circulating water cooling pipe joint according to claim 2, characterized in that: The valve locking system includes an adjusting rocker arm and a limiting block. One end of the adjusting rocker arm is rotatably connected to the temperature measuring channel, and the other end of the adjusting rocker arm has a limiting groove. The limiting block is disposed on the reduction adjusting gear and is connected to the limiting groove.

6. The adaptive concrete circulating water cooling pipe joint according to claim 5, characterized in that: The angle locking device includes a turbine, a driving gear, a driven gear, a drive shaft, a flyweight, a brake arm, and a brake block. The turbine is located in the main flow channel and is connected to the driving gear via a connecting rod. The driving gear and the driven gear mesh with each other. The driven gear is connected to the drive shaft, which is connected to the flyweight. When the drive shaft rotates, it drives the flyweight to push the brake arm. The brake arm is symmetrically arranged in the temperature measuring channel and is hinged to the temperature measuring channel. The brake block is connected to the reduction and adjustment gear. When the flyweight pushes the brake arm, the brake arm clamps the brake block.

7. The adaptive concrete circulating water cooling pipe joint according to claim 6, characterized in that: The flying hammer is connected to an adjusting arm. When the temperature changes, the adjusting arm will push the adjusting arm to move, thereby releasing the brake arm from the restriction of the brake block.

8. The adaptive concrete circulating water cooling pipe joint according to claim 7, characterized in that: The system has four flying hammers, which are arranged around the drive shaft, and the adjusting arm is configured corresponding to the flying hammers.

Images