Flow dividing device for tunnel concrete pouring
By introducing buffering and filtering mechanisms into the diversion device, the problems of device damage and tunnel cracks during concrete pouring were solved, thereby improving the durability of the device and the quality of the tunnel.
Patent Information
- Application Number
- CN202520195252.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-08
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-02-08
AI Technical Summary
Traditional diversion devices are easily damaged during concrete pouring, and concrete containing sand and gravel impurities can cause cracks in the tunnel casting process, affecting service life and quality.
A diversion device including a buffer mechanism and a filtration mechanism was designed. The buffer mechanism buffers the impact force of concrete through a buffer plate and a spring-loaded vibration damper, while the filtration mechanism intercepts impurities through a filter screen to improve the uniformity of the concrete.
It effectively buffers the impact of concrete, extends the life of the device, and removes impurities through the filter screen, improving the quality and efficiency of tunnel pouring.
Smart Images

Figure CN223724623U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to tunnel concrete pouring device technical field, concretely is a kind of shunting device of tunnel concrete pouring. BACKGROUND
[0002] With the development of economy, the construction of traffic network is in the high degree of change, tunnel engineering is spread in most areas of the country, mass concrete engineering is no longer limited to water conservancy, hydropower and housing construction projects, single structure form tunnel also faces the challenge of mass concrete quality control, as load-bearing structure concrete is often constructed by pouring, in the process of concrete pouring, shunting device is needed, to adjust the pouring time of concrete in pump pipe.
[0003] However, the traditional shunting device has the following shortcomings:
[0004] (1) the angle impact force generated in the process of concrete falling in shunting device, over a long period of time, can cause local damage to the shunting device, shorten the service life of the shunting device;
[0005] (2) the shunting device only shunts the concrete, and the concrete containing sand and stone impurities is directly poured into the tunnel after shunting, resulting in cracks of different sizes in the poured tunnel. INVENTION CONTENTS
[0006] The utility model aims at providing a kind of shunting device of tunnel concrete pouring, to solve the angle impact force generated in the process of concrete falling in shunting device in the background art, over a long period of time, can cause local damage to the shunting device, shorten the service life of the shunting device, the shunting device only shunts the concrete, and the concrete containing sand and stone impurities is directly poured into the tunnel after shunting, resulting in cracks of different sizes in the poured tunnel.
[0007] To achieve the above object, the utility model provides the following technical scheme: a kind of shunting device of tunnel concrete pouring, including shunting device body, the shunting device body includes pump body connecting pipe, two branch pipes, connecting base plate, length rod, support platform, two buffer mechanisms and two filtering mechanisms, the two sides of pump body connecting pipe bottom end are all fixedly connected with branch pipe, two the branch pipe between fixedly installed with connecting base plate, the middle part of connecting base plate top is fixedly installed with length rod, the top of length rod is fixedly installed with support platform, the two sides of pump body connecting pipe inner wall are all fixedly installed with buffer mechanism, one side of two branch pipe inner walls is all installed with filtering mechanism, tunnel concrete pouring personnel connects the discharge pipe on concrete pump with pump body connecting pipe.
[0008] Preferably, the two buffering mechanisms each comprise an angle seat, a spring damper, a movable block and a buffer plate, the inside of the angle seat is rotationally connected with the buffer plate, one side of the buffer plate is provided with a movable slot, the inside of the movable slot is slidably connected with the movable block, the side, away from the movable slot, of the movable block is rotationally connected with the spring damper, when the concrete in the concrete pump flows into the pump body connecting pipe, the concrete impacts the buffer plate on both sides, the buffer plate is angularly deflected along the angle seat, and the movable block is slid along the movable slot, at this time, the spring damper is in contraction, the buffer plate is made of rubber material, and the buffer plate and the spring damper buffer the impact force of the concrete.
[0009] Preferably, the side of the two angle seats and the side, away from the movable block, of the two spring dampers are fixedly connected with the inside of the pump body connecting pipe, and the buffering mechanism is installed on the pump body connecting pipe through the angle seat and the spring damper.
[0010] Preferably, the bottom ends of the two buffer plates are in contact connection with the two sides of the top end of the supporting table, and the two buffer plates are located above the supporting table.
[0011] Preferably, the two filtering mechanisms each comprise a filter screen, two vertical plates, a sliding rod, a sliding block and a rigid spring, the two vertical plates are fixedly installed with the sliding rod, the middle part of the sliding rod is slidably connected with the sliding block, the top end of the sliding block is rotationally connected with the filter screen, the concrete flowing into the body of the shunt device is intercepted by the filter screen and then discharged to the outside through the branch pipes, the filter screen drives the sliding block to slide along the sliding rod in the process of interception, and the sliding block extrudes the rigid spring in the process of sliding, the rigid spring has elasticity, and the elastic deformation of the rigid spring buffers the extrusion force.
[0012] Preferably, the bottom ends of the four vertical plates are fixedly connected with the top end of the connecting base plate, the sides, away from the sliding block, of the two filter screens are rotationally connected with the sides adjacent to the two branch pipes, respectively, the filtering mechanism is installed on the connecting base plate through the vertical plates, and the filtering mechanism is installed on the branch pipes through the filter screen.
[0013] Preferably, the two sides of the bottom end of the connecting base plate are fixedly connected with the impurity discharging pipes, respectively, the impurities intercepted by the filter screen in the body of the shunt device are discharged to the outside through the impurity discharging pipes.
[0014] Compared with the prior art, the utility model has the advantages that:
[0015] 1、Through the buffering mechanism, the buffer plate and the spring damper all have elasticity, the buffer plate and the spring damper buffer the impact force of the concrete after the concrete solution is injected into the pump body connecting pipe, and the surface of the shunt device body is prevented from being damaged by the impact force for a long time.
[0016] 2. By setting up a filtration mechanism, the filter screen intercepts impurities such as sand and gravel in the concrete, making the outflowing concrete solution uniform in texture and improving the quality and efficiency of concrete pouring for tunnels. Attached Figure Description
[0017] Figure 1 This is a perspective view of the present utility model;
[0018] Figure 2 This is a side view of the present invention;
[0019] Figure 3 This is a schematic diagram of the structure of this utility model;
[0020] Figure 4 This is a side view of the filtration mechanism of this utility model;
[0021] Figure 5 This is a side view of the buffer mechanism of this utility model.
[0022] In the diagram: 1. Diverter body; 2. Pump body connecting pipe; 3. Branch pipe; 4. Sewage discharge pipe; 5. Connecting chassis; 6. Buffer mechanism; 61. Angle seat; 62. Spring damper; 63. Movable groove; 64. Movable block; 65. Buffer plate; 7. Filtering mechanism; 71. Filter screen; 72. Vertical plate; 73. Sliding rod; 74. Sliding block; 75. Rigid spring; 8. Length rod; 9. Support platform. Detailed Implementation
[0023] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.
[0024] Please see Figures 1-5 This utility model provides a diversion device for tunnel concrete pouring, including a diversion device body 1. The diversion device body 1 includes a pump body connecting pipe 2, two branch pipes 3, a connecting base 5, a length rod 8, a support platform 9, two buffer mechanisms 6, and two filter mechanisms 7. The two sides of the bottom end of the pump body connecting pipe 2 are fixedly connected to the branch pipes 3. The connecting base 5 is fixedly installed between the two branch pipes 3. The length rod 8 is fixedly installed in the middle of the top end of the connecting base 5. The support platform 9 is fixedly installed at the top end of the length rod 8. The two sides of the inner wall of the pump body connecting pipe 2 are fixedly installed with the buffer mechanisms 6. The two sides of the inner wall of the two branch pipes 3 are each installed with a filter mechanism 7. The tunnel concrete pouring personnel connect the discharge pipe on the concrete pump to the pump body connecting pipe 2.
[0025] Both buffer mechanisms 6 comprise angle seats 61, spring dampers 62, movable blocks 64 and buffer plates 65, the inside of the angle seat 61 is rotationally connected with the buffer plate 65, one side of the buffer plate 65 is provided with a movable slot 63, the inside of the movable slot 63 is slidably connected with the movable block 64, the side, away from the movable slot 63, of the movable block 64 is rotationally connected with the spring damper 62, when the concrete in the concrete pump flows into the pump body connecting pipe 2, the concrete impacts the buffer plate 65 on both sides, the buffer plate 65 is angularly deflected along the angle seat 61, and the movable block 64 is slid along the movable slot 63, at this time, the spring damper 62 performs a contraction movement, the buffer plate 65 is made of rubber material, and the buffer plate 65 and the spring damper 62 buffer the impact force generated by the concrete.
[0026] The side of the two angle seats 61 and the side, away from the movable block 64, of the two spring dampers 62 are fixedly connected with the inside of the pump body connecting pipe 2, and the buffer mechanism 6 is installed on the pump body connecting pipe 2 through the angle seat 61 and the spring damper 62.
[0027] The bottom ends of the two buffer plates 65 are in contact connection with the two sides of the top end of the support table 9, and the two buffer plates 65 are located above the support table 9.
[0028] Both filter mechanisms 7 comprise filter screens 71, two vertical plates 72, sliding rods 73, sliding blocks 74 and rigid springs 75, the sliding rod 73 is fixedly installed between the two vertical plates 72, the sliding block 74 is slidably connected to the middle part of the sliding rod 73, the filter screen 71 is rotationally connected to the top end of the sliding block 74, the concrete flowing into the shunt device body 1 is intercepted by the filter screen 71 and then discharged to the outside through the branch pipe 3, the filter screen 71 drives the sliding block 74 to slide along the sliding rod 73 in the process of interception, and the sliding block 74 extrudes the rigid spring 75 in the process of sliding, the rigid spring 75 has elasticity, and the elastic deformation of the rigid spring 75 buffers the extrusion force.
[0029] The bottom ends of the four vertical plates 72 are fixedly connected with the top end of the connecting bottom disc 5, the sides, away from the sliding block 74, of the two filter screens 71 are rotationally connected with the sides adjacent to the two branch pipes 3, respectively, the filter mechanism 7 is installed on the connecting bottom disc 5 through the vertical plate 72, and the filter mechanism 7 is installed on the branch pipe 3 through the filter screen 71.
[0030] Both sides of the bottom end of the connecting bottom disc 5 are fixedly connected with the impurity discharge pipe 4, the tunnel pouring personnel opens the valve on the impurity discharge pipe 4, and the impurities intercepted by the filter screen 71 in the shunt device body 1 are discharged to the outside through the impurity discharge pipe 4.
[0031] The application is used as follows: the tunnel concrete pouring personnel connects the discharge pipe on the concrete pump with the pump body connecting pipe 2, when the concrete in the concrete pump flows into the pump body connecting pipe 2, the concrete impacts the buffer plate 65 on both sides, the buffer plate 65 is angularly deflected along the angle seat 61, and the movable block 64 is slid along the movable groove 63, at this time the spring damper 62 is contracted, the buffer plate 65 is made of rubber material, the buffer plate 65 and the spring damper 62 buffer the impact force of the concrete, the concrete flows downward under its own gravity and flows into the branch pipes 3 on both sides respectively, the concrete flowing into the shunt device body 1 is intercepted by the filter screen 71 and then is discharged to the outside through the branch pipes 3, the sliding block 74 is slid along the sliding rod 73 in the process of being intercepted by the filter screen 71, the sliding block 74 extrudes the rigid spring 75 in the process of sliding, the rigid spring 75 has elasticity, the elastic deformation of the rigid spring 75 buffers the extrusion force, the tunnel concrete pouring personnel opens the valve on the impurity discharge pipe 4, the impurities intercepted by the filter screen 71 in the shunt device body 1 are discharged to the outside through the impurity discharge pipe 4, and the concrete without impurities is discharged to the outside through the branch pipes 3.
[0032] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or replace part of the technical features with equivalents, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.
Claims
1. A tunnel concrete pouring flow splitter device comprising a flow splitter device body (1), characterised in that: The shunt device body (1) includes a pump body connecting pipe (2), two branch pipes (3), a connecting bottom plate (5), a length rod (8), a support table (9), two buffer mechanisms (6) and two filtering mechanisms (7), both sides of the bottom end of the pump body connecting pipe (2) are fixedly connected with the branch pipes (3), the connecting bottom plate (5) is fixedly installed between the two branch pipes (3), the length rod (8) is fixedly installed at the middle of the top end of the connecting bottom plate (5), the support table (9) is fixedly installed at the top end of the length rod (8), the buffer mechanisms (6) are fixedly installed on the inner walls of the pump body connecting pipe (2), and the filtering mechanisms (7) are installed on one side of the inner walls of the two branch pipes (3).
2. A tunnel concrete pouring flow splitting device according to claim 1, characterized in that: Both of the buffer mechanisms (6) include an angle seat (61), a spring shock absorber (62), a movable block (64) and a buffer plate (65), the buffer plate (65) is rotatably connected in the angle seat (61), the movable block (64) is slidably connected in the movable slot (63) in one side of the buffer plate (65), and the spring shock absorber (62) is rotatably connected to the side, away from the movable slot (63), of the movable block (64).
3. A tunnel concrete pouring flow diverter according to claim 2, wherein: The sides, away from the movable blocks (64), of the two spring shock absorbers (62) and the two angle seats (61) are fixedly connected with the interior of the pump body connecting pipe (2).
4. A tunnel concrete pouring flow diverter according to claim 2, wherein: The bottom ends of the two buffer plates (65) are in contact connection with the two sides of the top end of the support table (9).
5. A tunnel concrete pouring flow diverter according to claim 1, wherein: Both of the filtering mechanisms (7) include a filter screen (71), two vertical plates (72), a sliding rod (73), a sliding block (74) and a rigid spring (75), the sliding rod (73) is fixedly installed between the two vertical plates (72), the sliding block (74) is slidably connected to the middle of the sliding rod (73), and the filter screen (71) is rotatably connected to the top end of the sliding block (74).
6. A tunnel concrete pouring flow diverter according to claim 5, wherein: The bottom ends of the four vertical plates (72) are fixedly connected with the top end of the connecting bottom plate (5), and the sides, away from the sliding blocks (74), of the two filter screens (71) are rotatably connected with the sides, adjacent to the two branch pipes (3), respectively.
7. A tunnel concrete pouring flow diverter according to claim 1, wherein: The bottom ends of the two branch pipes (3) are fixedly connected with the top end of the connecting bottom plate (5). The bottom ends of the two branch pipes (3) are fixedly connected with the top end of the connecting bottom plate (5).