Tail water pipe steel lining concrete vibrating device and construction method

Abstract

The invention belongs to the technical field of draft tube construction, and particularly discloses a draft tube steel lining concrete vibrating device and a construction method.The draft tube steel lining concrete vibrating device comprises a vibrator located below a draft tube steel lining bottom formwork; the gas conveying pipe is located below the draft tube steel lining bottom template, and a gas conveying hole is formed in the gas conveying pipe; the air exhaust unit is communicated with the air conveying pipe; the lifting unit is used for driving the vibrator and the gas conveying pipe to be lifted along the cambered surface of the draft tube steel lining bottom template; the data acquisition unit is used for acquiring measuring point data of a draft tube steel lining pouring area; and the controller is electrically connected with the data acquisition unit and the lifting unit. The phenomenon of hollowing in the concrete pouring area of the draft tube steel lining can be reduced.

Description

Technical Field

[0001] The invention relates to the technical field of tailwater pipe construction, and in particular to a tailwater pipe steel lining concrete vibrating device and a construction method. Background Art

[0002] The tailwater pipe is an important part of the turbine. In order to prevent the high-speed water flow from directly scouring the concrete flow channel, a steel lining needs to be arranged. Hydropower station units often operate in non-optimal conditions and low-load areas. The pulsating pressure of the water flow in the tailwater pipe is large, which will cause strong vibration and easily lead to the separation of the steel lining and the concrete. This puts high demands on the construction quality of the concrete around the steel lining.

[0003] However, the second phase of concrete pouring around the steel lining of the tailwater pipe faces the following challenges: First, the site is narrow, with many embedded parts and supports, many layers, and dense steel bars, making concrete pouring difficult; second, the tailwater pipe is an anti-arc section from the waistline down, which is not conducive to the discharge of concrete vibration gas and is prone to hollowing, which in turn causes the steel lining pipe wall and concrete interface to become hollow, interfering with the normal operation of the turbine and even endangering the safety of the power station. Therefore, reducing the construction difficulty, especially reducing or even eliminating the concrete hollowing phenomenon, is the key to the tailwater pipe concrete backfill construction. Summary of the invention

[0004] The invention provides a tailwater pipe steel lining concrete vibrating device and a construction method, aiming to reduce the hollowing phenomenon in the casting area of ​​the tailwater pipe steel lining concrete.

[0005] The present invention is achieved through the following technical solution: a tailwater pipe steel-lined concrete vibrating device, comprising:

[0006] A vibrator, the vibrator being located below the steel substrate bottom template of the tailwater pipe;

[0007] A gas delivery pipe, the gas delivery pipe is located below the steel substrate bottom template of the tailwater pipe, and a gas delivery hole is opened on the gas delivery pipe;

[0008] An air extraction unit, the air extraction unit being in communication with the air delivery pipe;

[0009] A lifting unit, the lifting unit is used to drive the vibrator and the gas pipe to lift along the curved surface of the steel substrate bottom template of the tailwater pipe;

[0010] A data acquisition unit, the data acquisition unit is used to collect measurement point data in the casting area of ​​the tailwater pipe steel lining;

[0011] A controller is electrically connected to the data acquisition unit and the lifting unit.

[0012] Compared with the prior art, the present invention has the following advantages and beneficial effects:

[0013] In this scheme, the vibrator can compact the concrete and reduce hollowing, while the cooperation of the gas pipe and the exhaust unit can extract the excess gas in the belly of the second phase concrete anti-arc section of the tailwater pipe steel lining, which can significantly reduce hollowing, alleviate internal concrete defects such as degassing, deformation, and cracking, and improve the safety and durability of the tailwater pipe steel lining during unit operation.

[0014] In addition, the concrete vibration in this solution is effectively automated through the vibrator, and the lifting of the air pipe and the vibrator is carried out through the lifting unit, eliminating the need for manual operation in the narrow second-phase concrete pouring area, thereby improving construction quality and efficiency and saving construction costs.

[0015] Furthermore, a plurality of the vibrators are provided on both sides of the axis of the steel lining of the tailwater pipe, and the plurality of vibrators are distributed at intervals along the axis direction of the steel lining of the tailwater pipe.

[0016] Beneficial effect: The setting of multiple vibrators can increase the vibration area, improve the vibration efficiency and vibration quality.

[0017] Furthermore, the plurality of vibrators on both sides of the axis of the steel lining of the tailwater pipe are arranged alternately.

[0018] Beneficial effect: Such an arrangement can increase the vibration area without increasing the number of vibrators, and improve the uniformity of vibration.

[0019] Furthermore, the number of the air supply pipes is the same as the number of the vibrators, and the plurality of air supply pipes are respectively located above the plurality of vibrators and connected to the vibrators.

[0020] Beneficial effect: Such a setting can further reduce the phenomenon of hollowing and improve the quality of concrete pouring.

[0021] Furthermore, two groups of the exhaust units and lifting units are provided, and the two groups of exhaust units are respectively connected to the gas pipes located on both sides of the axis of the tailwater pipe steel lining, and the two groups of lifting units respectively lift the vibrators and gas pipes on both sides of the axis of the tailwater pipe steel lining.

[0022] Beneficial effects: In this solution, two groups of air extraction units and lifting units are provided, so that the vibrators and gas pipes located on both sides of the tailwater steel liner axis can be lifted and exhausted respectively.

[0023] Furthermore, the vacuum unit includes a vacuum pump and a main hose, the air inlet of the vacuum pump is connected to the main hose, one end of the main hose is connected to a multi-way tube, the remaining interfaces of the multi-way tube are all connected to branch hoses, and the multiple branch hoses are respectively connected to multiple gas pipes.

[0024] Beneficial effect: Only one vacuum tube is needed for both sides of the tailwater steel liner axis. Multiple branch hoses can be used to control multiple gas pipes for extraction at the same time, which can simplify the device and save costs.

[0025] Furthermore, the lifting unit includes a winch, a fixed pulley, a main support and a sub-support, the main support is connected to the top platform of the side wall of the casting area, a plurality of sub-supports are provided, and the plurality of sub-supports are located below the main support, one end of the main support and the sub-support are connected to a fixed pulley, a main connecting rope is connected to the steel wire rope of the winch, and the main connecting rope passes through the fixed pulley on the main support; one end of the main connecting rope is connected to a plurality of sub-connecting ropes, and the plurality of sub-connecting ropes respectively pass through the fixed pulleys on the plurality of sub-supports, and one end of the plurality of sub-connecting ropes is respectively connected to a plurality of vibrators and a plurality of gas pipes.

[0026] Beneficial effect: In this scheme, the lifting unit lifts the gas pipe and the vibrator through the winch, the main connecting rope and the auxiliary connecting rope, and there are multiple auxiliary connecting ropes. In this way, without adding a winch, the lifting of multiple groups of gas pipes and vibrators can be controlled at the same time.

[0027] Furthermore, a lifting ring pipe clamp is fixedly connected to the upper end of the vibrator, the vibrator is connected to the gas pipe, and one end of the secondary connecting rope away from the main connecting rope is connected to the lifting ring pipe clamp.

[0028] Beneficial effect: The setting of the lifting ring pipe clamp in this solution facilitates the connection with the auxiliary connecting rope, and after the vibrator and the gas pipe are connected, it can ensure that the two move synchronously.

[0029] Furthermore, it also includes a support frame for supporting the air pipe and the vibrator, the support frame is provided with a reserved hole for the air pipe and a reserved hole for the vibrator, the reserved hole for the vibrator is located below the reserved hole for the air pipe, and the air pipe and the vibrator pass through the reserved hole for the air pipe and the reserved hole for the vibrator respectively.

[0030] Beneficial effects: The setting of the support frame can provide support for the vibrator and the gas pipe, and can ensure that the vibrator and the gas pipe are arranged in the designated position in advance.

[0031] A tailwater pipe steel lining concrete vibrating construction method, using the above-mentioned tailwater pipe steel lining concrete vibrating device, comprises the following steps:

[0032] Determine the number and positions of vibrator units arranged on both sides of the steel lining of the tailwater pipe according to the area of ​​the concrete pouring area, and set up support frames at the above positions, respectively, with reserved holes for the gas transmission pipe and the vibrator on the support frames;

[0033] Insert each vibrator and the air pipe bent into an arc into the support frame along the reserved holes of the vibrator and the reserved holes of the air pipe, and connect the air pipe and the vibrator on the same row of support frames;

[0034] Install a winch and a fixed pulley, connect a main connecting rope to the wire rope of the winch, connect multiple auxiliary connecting ropes to one end of the main connecting rope, and connect multiple vibrators in sequence after passing through the fixed pulley;

[0035] Install a vacuum pump, which is connected to the upper end of the gas pipe through a hose;

[0036] The casting area is divided into several monitoring areas along the arc direction of the steel lining of the tailwater pipe, and measuring points are evenly distributed along the axis direction of the steel lining of the tailwater pipe in each monitoring area;

[0037] After the concrete pouring begins, all vibrators and vacuum pumps are turned on. The data acquisition unit includes an impact hammer, a detector and a recorder. The impact hammer is used to knock all the measuring points in the monitoring area in turn. The detector receives the detection signal and transmits it to the recorder, which then transmits the complete data to the controller.

[0038] The controller determines whether there is a hollow drum in the detection area according to the input data. If there is a hollow drum, it continues to vibrate and repeat the detection; if there is no hollow drum, it controls the winch to pull the vibrator and the air pipe together to the next detection area;

[0039] Repeat the above steps until all areas are detected;

[0040] Lift each vibrator and air pipe to above the pouring area, turn off all vacuum pumps, winches and vibrators, and clean the air pipe.

[0041] (1) The present invention uses a vacuum pump and an air pipe to extract excess gas from the belly of the second-phase concrete anti-arc section of the tailwater pipe steel lining, which can significantly reduce hollowing, alleviate internal concrete defects such as hollowing, deformation, and cracking, and improve the safety and durability of the tailwater pipe steel lining during unit operation.

[0042] (2) The concrete vibration, air pipe and vibrator lifting of the present invention are automated, eliminating the need for manual operation in the narrow second-phase concrete pouring area, thereby improving construction quality and efficiency and saving construction costs.

[0043] (3) The gas transmission pipe of the present invention can be directly put into the pouring of lower warehouse concrete after simple cleaning, which is convenient for maintenance.

[0044] (4) In the present invention, except for the support frame permanently remaining in the concrete as a steel reinforcement skeleton, the remaining devices can be applied to the vibration of the second-phase concrete of other tailwater pipes, with a high reuse rate.

[0045] (5) The winch, vacuum pump, pulley frame and other devices of the present invention are all fixed by bolts, and are easy to disassemble and install; the entire set of devices except the support system can be loaded on a truck, which is convenient for transportation. BRIEF DESCRIPTION OF THE DRAWINGS

[0046] The drawings described herein are used to provide a further understanding of the embodiments of the present invention, constitute a part of this application, and do not constitute a limitation of the embodiments of the present invention. In the drawings:

[0047] Figure 1 A top view of an embodiment of a tailwater pipe steel lining concrete vibrating device of the present invention;

[0048] Figure 2 for Figure 1 Sectional view at AA in the middle;

[0049] Figure 3 It is a structural schematic diagram of a tailwater pipe steel-lined concrete vibrating device embodiment of the present invention in which a gas delivery hole is provided on the gas delivery pipe;

[0050] Figure 4 It is a structural schematic diagram of a support frame in an embodiment of a tailwater pipe steel-lined concrete vibrating device of the present invention;

[0051] Figure 5 The present invention is a flow chart of an embodiment of a tailwater pipe steel lining concrete vibrating device.

[0052] Marks and corresponding parts names in the attached drawings:

[0053] Remote control switch 1, winch 2, vacuum pump 3, vibrator 4, gas pipe 5, impact hammer 6, controller 7, template 8, four-way pipe 9, auxiliary connecting rope 10, main connecting rope 11, branch hose 12, tailwater pipe steel lining axis 14, lifting eye pipe clamp 15, main bracket 16, top platform 17, support frame 18, auxiliary bracket 19, main hose 20, detector 21, recorder 22, waterproof breathable membrane 23, gas pipe reserved hole 24, vibrator reserved hole 25. DETAILED DESCRIPTION

[0054] In order to make the objectives, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with embodiments and drawings. The exemplary embodiments of the present invention and their description are only used to explain the present invention and are not intended to limit the present invention.

[0055] like Figure 1-Figure 2 As shown, this embodiment provides a tailwater pipe steel lining concrete vibrating device, comprising:

[0056] Vibrator 4, the vibrator 4 is located below the lower template 8 of the tailwater pipe steel lining, multiple vibrators 4 are provided on both sides of the axis of the tailwater pipe steel lining, and the multiple vibrators 4 are spaced apart along the axis direction of the tailwater pipe steel lining. In this embodiment, the vibrator 4 adopts a φ70mm hose vibrator 4, and 6 vibrators 4 are provided. The 6 vibrators 4 are evenly divided into two groups, each group has 3 vibrators 4, and the two groups of vibrators 4 are respectively located on both sides of the axis of the tailwater pipe steel lining, and the 3 vibrators 4 in each group are spaced apart along the axis direction of the tailwater pipe steel lining. In this embodiment, the multiple vibrators 4 on both sides of the axis 14 of the tailwater pipe steel lining are staggered with each other, so that the vibration area can be increased;

[0057] In this embodiment, the upper end of the vibrator 4 is fixedly connected with a ring pipe clamp 15, and the vibrator 4 is connected to the gas pipe 5;

[0058] The gas pipe 5 is located below the tailwater pipe steel lining bottom template 8. The gas pipe 5 adopts a φ40mm aluminum-plastic pipe. The number of the gas pipes 5 is the same as the number of the vibrators 4. The multiple gas pipes 5 are respectively located above the multiple vibrators 4 and connected to the vibrators 4. In this embodiment, the multiple gas pipes 5 are arranged opposite to the multiple vibrators 4 one by one, and the upper part of the gas pipe 5 is connected and fixed to the upper part of the vibrator 4 by tape to ensure that the two can move synchronously. In this embodiment, the gas pipe 5 and the vibrator 4 are bent to an arc that fits the tailwater pipe steel lining template 8, such as Figure 2 As shown, the lower ends of the gas pipe 5 and the vibrator 4 intersect with the center line of the steel lining of the tailwater pipe;

[0059] Combination Figure 2 and Figure 3 As shown, in this embodiment, a gas delivery hole is opened on the gas delivery pipe 5. Specifically: in this embodiment, 5 φ20mm gas delivery holes are opened in the gas delivery pipe 5 within 1450cm of the axis of the steel lining of the tailwater pipe, and the hole spacing is 10cm. The gas delivery holes are wrapped with a back-adhesive waterproof and breathable membrane 23;

[0060] An air extraction unit, the air extraction unit is connected to the air delivery pipe 5;

[0061] A lifting unit, the lifting unit is used to drive the vibrator 4 and the gas pipe 5 to be lifted along the arc surface of the lower template 8 of the tailwater pipe steel lining. In this embodiment, two groups of air extraction units and lifting units are provided. The two groups of air extraction units are respectively connected to the gas pipe 5 located on both sides of the axis of the tailwater pipe steel lining. The two groups of lifting units respectively lift the vibrator 4 and the gas pipe 5 on both sides of the axis of the tailwater pipe steel lining;

[0062] In this embodiment, the air extraction unit includes a vacuum pump 3 and a main hose 20. The vacuum pump 3 is a micro speed-controlled vacuum pump 3. The air inlet of the vacuum pump 3 is connected to the main hose 20. Figure 1As shown, one end of the main hose 20 is connected to a multi-way pipe, and the multi-way pipe in this embodiment is a four-way pipe 9, and the remaining three interfaces of the four-way pipe 9 are connected to branch hoses 12, and the three branch hoses 12 are respectively connected to the three gas pipes 5;

[0063] like Figure 1 and Figure 2 As shown, in this embodiment, the lifting unit includes a winch 2, a fixed pulley, a main bracket 16 and a sub-bracket 19. The main bracket 16 is connected to the top platform 17 of the side wall of the casting area, and the main bracket 16 and the side wall of the casting area are at an angle of 45°. There are multiple sub-brackets 19, and the multiple sub-brackets 19 are located below the main bracket 16. In this embodiment, three sub-brackets 19 are provided on both sides of the side walls of the casting area, and the sub-brackets 19 and the side walls are at an angle of 90°. One end of the main bracket 16 and the sub-bracket 19 are connected to a fixed pulley, and a main connecting rope 11 is connected to the wire rope of the winch 2, and the main connecting rope 11 passes through the fixed pulley on the main bracket 16;

[0064] One end of the main connecting rope 11 is connected to three auxiliary connecting ropes 10, and the three auxiliary connecting ropes 10 pass through the fixed pulleys on the three auxiliary brackets 19 on the same side respectively, and the ends of the three auxiliary connecting ropes 10 away from the main connecting rope 11 are respectively connected to the three vibrators 4 and the three gas pipes 5 on the same side. In this embodiment, the ends of the auxiliary connecting ropes 10 away from the main connecting ropes 11 are connected to the ring pipe clamp 15 on the vibrator 4. Since the vibrator 4 and the gas pipe 5 are connected to each other, after the auxiliary connecting ropes 10 are connected to the ring pipe clamp 15 on the vibrator 4, the gas pipe 5 can also be connected, so that the gas pipe 5 can move together with the vibrator 4;

[0065] Data acquisition unit, which is used to collect data of measuring points in the casting area of ​​the steel lining of the tailwater pipe;

[0066] A controller 7, wherein the controller 7 is electrically connected to the data acquisition unit and the lifting unit;

[0067] In this embodiment, the data acquisition unit includes an impact hammer 6, a detector 21 and a recorder 22. The impact hammer 6 strikes all measuring points in the monitoring area. The detector 21 receives the detection signal and transmits it to the recorder 22. The recorder 22 then transmits the complete data to the controller 7. In this embodiment, a remote control switch 1 is installed on the top platform 17 of the side walls on both sides of the pouring area. The remote control switch 1 controls the start and stop of the lifting unit. The data acquisition unit can be used for on-site waveform data acquisition and recording, and provides raw data for hollowing detection using the impact imaging method, and transmits it to the controller 7; the controller 7 analyzes and processes the data input by the recorder 22 to determine whether there is a hollowing area in the target range, and accordingly sends a wireless signal to the remote control switch 1 to control the action of the lifting unit;

[0068] In another embodiment, a tailwater pipe steel lining concrete vibrating device further includes a support frame 18 for supporting the gas pipeline 5 and the vibrator 4, Figure 4 As shown, the support frame 18 is provided with a gas pipe reserved hole 24 and a vibrator reserved hole 25, the vibrator reserved hole 25 is located below the gas pipe reserved hole 24, and the vibrator reserved hole 25 is arranged 20 cm below the gas pipe reserved hole 24, the gas pipe 5 and the vibrator 4 pass through the gas pipe reserved hole 24 and the vibrator reserved hole 25 respectively, and in this embodiment, there are multiple support frames 18 arranged at each installation position of the vibrator 4 and the gas pipe 5, and the multiple support frames 18 are arranged at intervals, and the spacing between the multiple support frames 18 in the same row is 1m. The arrangement of the support frame 18 can provide support for the installation of the gas pipe 5 and the vibrator 4.

[0069] Combination Figure 5 As shown, in another embodiment, a tailwater pipe steel lining concrete vibrating construction method, using the above-mentioned tailwater pipe steel lining concrete vibrating device, comprises the following steps:

[0070] S1. Determine the number and position of the vibrator 4 units arranged on both sides of the tailwater pipe steel lining according to the area of ​​the concrete pouring area. In this embodiment, three vibrators 4 are required to be arranged on both sides of the tailwater pipe steel lining, and the positions of the vibrators 4 are determined to be evenly distributed, and the vibrators 4 on the left and right sides are staggered along the axis 14 of the tailwater pipe steel lining; and set up support frames 18 at the above positions, that is, a plurality of support frames 18 are set at each vibrator 4 and gas pipe 5 position, and the support frames 18 are steel bar brackets. The support frames 18 are reserved with φ50mm gas pipe reserved holes 24 and φ80mm vibrator reserved holes 25 for installing and supporting the gas pipe 5 and the vibrator 4. The spacing between the support frames 18 in the same row is 1m, and the top of the support frames 18 is close to the template 8. In this embodiment, when pouring concrete, it is necessary to set the template 8 on the outside of the tailwater pipe steel lining for temporary support;

[0071] S2. Insert each vibrator 4 and the gas pipe 5 bent into an arc shape into the support frame 18 along the vibrator reserved hole 25 and the gas pipe reserved hole 24, and connect the gas pipe 5 and the vibrator 4 on the same row of support frames 18. The lower ends of the gas pipe 5 and the vibrator 4 intersect with the steel lining axis 14 of the tailwater pipe. The vibrator 4 is connected to the upper part of the corresponding gas pipe 5 with a tape to ensure that the two can be synchronized.

[0072] S3. A winch 2 and a fixed pulley are installed on the top platforms 17 of the side walls on both sides of the second phase concrete pouring area. A main connecting rope 11 is connected to the steel wire rope of each winch 2. One end of the main connecting rope 11 is connected to three auxiliary connecting ropes 10. The three auxiliary connecting ropes 10 pass through the fixed pulley and are connected to the three vibrators 4 on the same side in sequence. Specifically:

[0073] A main support 16 with a length of 50 cm is installed 10 cm below the corner of the two side walls, with an angle of 45° to the side wall; three auxiliary supports 19 are installed on the two side walls above the pouring area, and each auxiliary support 19 is arranged near the plane formed by the corresponding support frame 18 on the same side, with an angle of 90° to the side wall;

[0074] The steel wire rope of the winch 2 on each side is directly connected to a φ15mm main connecting rope 11, and the main connecting rope 11 is connected to three φ10mm auxiliary connecting ropes 10, and the auxiliary connecting ropes 10 pass through the fixed pulley on the auxiliary bracket 19 and are respectively connected to the corresponding vibrator 4 lifting ring pipe clamp 15;

[0075] S4. Vacuum pumps 3 are installed on the top platforms 17 of the side walls on both sides of the second phase concrete pouring area. The vacuum pumps 3 are connected to the upper end of the gas pipe 5 through a main hose 20. The main hose 20 is connected to an interface of the PVC four-way pipe 9. The remaining three interfaces of the four-way pipe 9 are respectively connected to the upper end of the gas pipe 5 through branch hoses 12. The branch hoses 12 and the main hoses 20 are rubber hoses. All the above interfaces are connected with tape to ensure vacuum sealing;

[0076] S5. Divide the casting area into five monitoring areas (IV) along the arc direction of the tailwater pipe steel lining, and evenly distribute measuring points along the 14 direction of the tailwater pipe steel lining axis in each monitoring area. The arc length of the tailwater pipe steel lining in each monitoring area is about 50 cm.

[0077] S6, after the concrete pouring starts, all vibrators 4 and vacuum pumps 3 are turned on, and the negative pressure of the vacuum pumps 3 is set to -0.1Mpa. After vibrating for 1 minute, all measuring points in the monitoring area I are hit in sequence with the impact hammer 6. The detector 21 receives the detection signal and transmits it to the recorder 22. The recorder 22 then transmits the complete data to the controller 7 for analysis and processing;

[0078] S7, the controller 7 determines whether there is a hollow drum in the detection area I by analyzing the waveform according to the input data. If there is a hollow drum, the controller 7 continues to vibrate for 1 minute and then repeats the detection; if there is no hollow drum, the controller 7 transmits a 4G wireless signal to control the remote switch to maintain the open state for 5 seconds, and then controls the winch 2 to lift the multiple connected vibrators 4 and the gas pipe 5 to the next detection area. When the winch 2 lifts the vibrator 4 and the gas pipe 5, it pulls or lifts along the arc direction of the template 8 at the bottom of the tailwater pipe steel substrate. In this embodiment, the hoist 2 lifts the vibrator 4 and the gas pipe 5 each time by a lifting distance of 50 cm;

[0079] S8, repeat the above steps S6-S7 to start the next cycle of vibration operation until all areas are tested, that is, until the second phase of concrete vibration construction in the entire area is completed;

[0080] S9. Lift each vibrator 4 and the air pipe 5 to above the pouring area, turn off all vacuum pumps 3, winches 2 and vibrators 4, and clean the air pipe 5.

[0081] It should be noted that the above description of the disclosed embodiments enables professionals and technicians in the field to implement or use the present application. Various modifications to these embodiments will be apparent to professionals and technicians in the field, and the general principles defined herein can be implemented in other embodiments without departing from the scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but should conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A tailwater pipe steel lining concrete vibrating device, characterized in that: include: A vibrator, the vibrator being located below the steel substrate bottom template of the tailwater pipe; A gas delivery pipe, the gas delivery pipe is located below the steel substrate bottom template of the tailwater pipe, and a gas delivery hole is opened on the gas delivery pipe; An air extraction unit, the air extraction unit being in communication with the air delivery pipe; A lifting unit, the lifting unit is used to drive the vibrator and the gas pipe to lift along the curved surface of the steel substrate bottom template of the tailwater pipe; A data acquisition unit, the data acquisition unit is used to collect measurement point data in the casting area of ​​the tailwater pipe steel lining; A controller is electrically connected to the data acquisition unit and the lifting unit.

2. A tailwater pipe steel lining concrete vibrating device according to claim 1, characterized in that: A plurality of the vibrators are arranged on both sides of the axis of the steel lining of the tailwater pipe, and the plurality of the vibrators are distributed at intervals along the axis direction of the steel lining of the tailwater pipe.

3. A tailwater pipe steel lining concrete vibrating device according to claim 2, characterized in that: The multiple vibrators on both sides of the axis of the steel lining of the tailwater pipe are arranged alternately.

4. A tailwater pipe steel lining concrete vibrating device according to claim 2 or 3, characterized in that: The number of the air supply pipes is the same as the number of the vibrators, and the plurality of air supply pipes are respectively located above the plurality of vibrators and connected to the vibrators.

5. A tailwater pipe steel lining concrete vibrating device according to claim 4, characterized in that: There are two groups of exhaust units and lifting units, and the two groups of exhaust units are respectively connected to the air pipes located on both sides of the axis of the tailwater pipe steel lining. The two groups of lifting units respectively lift the vibrators and air pipes on both sides of the axis of the tailwater pipe steel lining.

6. A tailwater pipe steel lining concrete vibrating device according to claim 5, characterized in that: The vacuum unit includes a vacuum pump and a main hose, the air inlet of the vacuum pump is connected to the main hose, one end of the main hose is connected to a multi-way tube, the remaining interfaces of the multi-way tube are all connected to branch hoses, and the multiple branch hoses are respectively connected to multiple gas pipes.

7. A tailwater pipe steel lining concrete vibrating device according to claim 5, characterized in that: The lifting unit includes a winch, a fixed pulley, a main support and a sub-support. The main support is connected to the top platform of the side wall of the casting area. There are multiple sub-supports, and the multiple sub-supports are located below the main support. One end of the main support and the sub-support are connected to a fixed pulley. A main connecting rope is connected to the steel wire rope of the winch, and the main connecting rope passes through the fixed pulley on the main support; one end of the main connecting rope is connected to multiple sub-connecting ropes, and the multiple sub-connecting ropes pass through the fixed pulleys on the multiple sub-supports respectively, and one end of the multiple sub-connecting ropes is respectively connected to multiple vibrators and multiple air pipes.

8. A tailwater pipe steel lining concrete vibrating device according to claim 7, characterized in that: The upper end of the vibrator is fixedly connected with a lifting ring pipe clamp, the vibrator is connected to the gas pipe, and one end of the auxiliary connecting rope away from the main connecting rope is connected to the lifting ring pipe clamp.

9. A tailwater pipe steel lining concrete vibrating device according to claim 1, characterized in that: It also includes a support frame for supporting the air pipe and the vibrator, the support frame is provided with a reserved hole for the air pipe and a reserved hole for the vibrator, the reserved hole for the vibrator is located below the reserved hole for the air pipe, and the air pipe and the vibrator pass through the reserved hole for the air pipe and the reserved hole for the vibrator respectively.

10. A tailwater pipe steel lining concrete vibrating construction method, characterized in that: The use of a tailwater pipe steel lining concrete vibrating device according to any one of claims 1 to 9 comprises the following steps: Determine the number and positions of vibrator units arranged on both sides of the steel lining of the tailwater pipe according to the area of ​​the concrete pouring area, and set up support frames at the above positions, respectively, with reserved holes for the gas transmission pipe and the vibrator on the support frames; Insert each vibrator and the air pipe bent into an arc into the support frame along the reserved holes of the vibrator and the reserved holes of the air pipe, and connect the air pipe and the vibrator on the same row of support frames; Install a winch and a fixed pulley, connect a main connecting rope to the wire rope of the winch, connect multiple auxiliary connecting ropes to one end of the main connecting rope, and connect multiple vibrators in sequence after passing through the fixed pulley; Install a vacuum pump, which is connected to the upper end of the gas pipe through a hose; The casting area is divided into several monitoring areas along the arc direction of the steel lining of the tailwater pipe, and measuring points are evenly distributed along the axis direction of the steel lining of the tailwater pipe in each monitoring area; After the concrete pouring begins, all vibrators and vacuum pumps are turned on. The data acquisition unit includes an impact hammer, a detector and a recorder. The impact hammer is used to knock all the measuring points in the monitoring area in turn. The detector receives the detection signal and transmits it to the recorder, which then transmits the complete data to the controller. The controller determines whether there is a hollow drum in the detection area according to the input data. If there is a hollow drum, it continues to vibrate and repeat the detection; if there is no hollow drum, it controls the winch to pull the vibrator and the air pipe together to the next detection area; Repeat the above steps until all areas are detected; Lift each vibrator and air pipe to above the pouring area, turn off all vacuum pumps, winches and vibrators, and clean the air pipe.

Images