A vibrating device and method for bridge pier

Abstract

The present invention belongs to the technical field of construction machinery, and in particular, is a vibrating device and method for bridge piers, which includes: a vibrating rod and a vibrating motor arranged on the vibrating rod, a lifting pipe is arranged between the vibrating motor and the vibrating rod, and also includes a support system and an operating platform arranged in the middle of the support system, a timer and a laser rangefinder are arranged on the operating platform, a hoist is arranged in the operating platform, and the middle part of the lifting pipe passes through the operating platform and is arranged on the hoist. Compared with the prior art, the use of the present invention to vibrate the concrete of bridge piers can ensure the vibration range and vibration time, reduce manual intervention, and improve the vibration efficiency; and the device has a simple structure, is easy to move, and is easy to install and disassemble, and can meet the vibration requirements of bridge piers under different circumstances.

Description

Technical Field

[0001] The invention belongs to the technical field of building construction, and in particular to a vibrating device and method for bridge piers. Background Art

[0002] According to the requirements of CJJ2-2008 "City Bridge Engineering Construction and Quality Acceptance Code", bridge piers should be cast and vibrated in layers, with each layer of 30 cm vibrated for 20 to 30 seconds. At present, in the vibration construction of bridge piers, most of them use manual handheld vibrating rods.

[0003] Because the pier is too high and the light in the pier bin is too dark, construction workers often rely on experience to vibrate the concrete during construction. Especially for high and large piers, the vibration requires a lot of manpower, which is not only labor-intensive and inefficient, but also has quality problems such as uneven vibration, over-vibration and missed vibration. Especially in the case of complex steel bar structures, the vibration quality and construction safety cannot be guaranteed. Therefore, how to make a vibration device and method for bridge piers that can solve the existing technical problems has become a technical problem to be solved. Summary of the invention

[0004] The present invention is based on the above-mentioned technical problems and proposes a vibration device and method for bridge piers. Compared with the prior art, the use of the present invention to vibrate the concrete of bridge piers can ensure the vibration range and vibration time, reduce manual intervention, improve the vibration efficiency, and meet the vibration requirements of bridge piers under different circumstances.

[0005] In view of this, the present invention proposes a vibrating device for bridge piers, which includes: a vibrating rod and a vibrating motor arranged on the vibrating rod, a lifting pipe is arranged between the vibrating motor and the vibrating rod, and also includes a support system and an operating platform arranged in the middle of the support system, a timer and a laser rangefinder are arranged on the operating platform, a hoist is arranged in the operating platform, and the middle part of the lifting pipe passes through the operating platform and is arranged on the hoist.

[0006] In this technical solution, the concrete is vibrated by manually operating the electric control device, which ensures the vibration range and vibration time, reduces manual intervention, improves the vibration efficiency, and ensures the concrete vibration quality and construction safety. In addition, the circuit of the vibrating rod is set in the lifting pipe, avoiding the safety hazard caused by the chaotic laying of the circuit of the vibrating rod.

[0007] In the above technical solution, preferably, a vibration button, a lifting button and a timing button are also provided on the operating platform, the vibration button is connected to the vibration motor through a connecting line, the lifting button is connected to the hoist through a connecting line, and the timing button is connected to the timer through a connecting line.

[0008] In this technical solution, preferably, control buttons are provided on the operating platform to facilitate manual operation.

[0009] In the above technical solution, preferably, a control device is provided in the operating platform, and a fully automatic button is also provided on the operating platform. The fully automatic button is connected to the control device through a connecting line, and the control device is respectively connected to the timer, the laser rangefinder, the hoist and the vibrating motor through connecting lines.

[0010] In this technical solution, preferably, the vibration work can be fully automatically controlled by a fully automatic button, further reducing the amount of manual intervention.

[0011] In the above technical solution, preferably, the lifting machine includes a shell, and two lifting mechanisms are mirror-imaged in the cavity of the shell, and the lifting mechanism includes a lifting motor, a main gear, a sub-gear and a rubber shaft, the output end of the lifting motor is provided with the main gear, one end of the rubber shaft is rotatably provided on the shell, and the other end of the rubber shaft is provided with the sub-gear, the sub-gear is meshed with the main gear, and the lifting tube is provided between the two rubber shafts.

[0012] In this technical solution, preferably, the hoist is not only simple in structure, occupies little space, and has a good lifting effect, but is also easy to operate and has a low cost.

[0013] In the above technical solution, preferably, the sub-gear and the rubber shaft are both multiple, the multiple rubber shafts are rotatably arranged in parallel on the housing, and the multiple sub-gears are meshed with each other.

[0014] In this technical solution, preferably, the friction between the rubber shaft and the lifting tube is increased to ensure the steady lifting of the lifting tube in the rubber shaft.

[0015] In the above technical solution, preferably, a roller distance meter is also provided in the operating platform, the distance measuring end of the roller distance meter is in contact with the lifting tube, and the roller distance meter is connected to the control device via a connecting line.

[0016] In this technical solution, preferably, a roller distance meter is provided to monitor the lifting height of the lifting tube in real time, thereby ensuring the lifting height of the vibrating rod.

[0017] In the above technical solution, preferably, the operating platform is also provided with a roller rangefinder display screen, a timer display screen and a laser rangefinder display screen, the roller rangefinder display screen is connected to the roller rangefinder via a connecting line, the timer display screen is connected to the timer via a connecting line, and the laser rangefinder display screen is connected to the laser rangefinder via a connecting line.

[0018] In this technical solution, preferably, a plurality of sets of displays are provided, which can display the rising height of the concrete and the vibrating rod and the vibration duration, so as to facilitate construction operations.

[0019] A vibration method for a bridge pier, comprising the following steps: step 1, setting up at least one support system in the width direction of a steel cage, arranging a laser rangefinder, a timer and at least one set of hoists on the support system, arranging a lifting pipe and a roller rangefinder in the vertical direction of the hoist, and arranging a vibrating rod on the lifting pipe; step 2, pouring a layer of concrete in the steel cage, stopping pouring after checking that the concrete has risen by 30 cm with a laser rangefinder, turning on the vibrating rod, and counting the vibration time with a timer; step 3, lifting the vibrating rod upward by 30 cm with the hoist after the vibration stops, and measuring the lifting height with the roller rangefinder; step 4, repeating steps 2 to 3 until the overall vibration of the pier concrete is completed.

[0020] In the above technical solution, preferably, before step one, the number and position distribution of the vibrating devices on the steel cage are determined according to the construction site conditions.

[0021] In the above technical solution, preferably, in step 2, after the lower layer of concrete is vibrated, the upper layer of concrete is poured, and the vibrating rod is slowly lifted so that the vibrating rod vibrates at the connection between the two layers of concrete and then lifted to the upper layer of concrete.

[0022] This technical solution solves the problem that during construction, construction workers often need to wear mining lamps to confirm the height of concrete rise and rely on experience to ensure the vibration time of each layer of concrete, which leads to over-vibration and missed vibration. It also solves the complex situation that when manually vibrating the dense area of ​​the pier steel cage (construction of large piers or piers with special strength requirements), the steel cage needs to be cut first, vibrated and then welded. It also solves the problems of safety, progress, efficiency, investment and other issues in pier construction.

[0023] The present invention proposes a vibrating device and method for bridge piers. Compared with the prior art, the present device is provided with a laser rangefinder, which can accurately measure the rising height of concrete; a timer is provided, which can meet the vibration time of concrete and avoid quality problems such as over-vibration and missed vibration; a hoist is provided, which can control the automatic withdrawal of multiple vibrating rods by one person, greatly reducing the amount of manual intervention and improving the construction safety factor; moreover, the present invention occupies a small space, is convenient and flexible, and can calculate the number of vibrating devices required according to the cross-sectional size of the pier for reasonable arrangement. When the steel cage is complex, the present device can be arranged at the steel pore position, effectively solving the concrete quality problems with large cross-sections and complex steel bars. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 Shows a stereoscopic view of the overall structure of the present invention;

[0025] Figure 2 A front structural schematic diagram of the operating platform is shown;

[0026] Figure 3 Shows Figure 2 Middle aa section view;

[0027] Figure 4 A schematic diagram of the side structure of the operating platform is shown;

[0028] Figure 5 Shows Figure 4 Middle bb section view;

[0029] In the figure: 1 vibrating rod, 2 vibrating motor, 3 lifting tube, 4 support system, 5 operating platform, 6 timer, 7 laser rangefinder, 8 shell, 9 lifting motor, 10 main gear, 11 sub-gear, 12 rubber shaft, 13 roller rangefinder, 14 control device, 15 vibrating button, 16 timing button, 17 lifting button, 18 automatic button, 19 support rod, 20 support leg, 21 hole, 22 roller rangefinder display, 23 timer display, 24 laser rangefinder display. DETAILED DESCRIPTION

[0030] In order to more clearly understand the above-mentioned objects, features and advantages of the present invention, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0031] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the protection scope of the present invention is not limited to the contents disclosed below.

[0032] The following combination Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 The technical solution of the present invention is further described.

[0033] The first embodiment, as Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown: A vibrating device for bridge piers, comprising: a vibrating rod 1 and a vibrating motor 2 connected to the vibrating rod 1 through a connecting line, a lifting pipe 3 is arranged between the vibrating motor 2 and the vibrating rod 1, and the connecting line between the vibrating rod 1 and the vibrating motor 2 is arranged in the lifting pipe, and also comprises a support system 4 and an operating platform 5 arranged in the middle of the support system 4, a timer 6 and a laser rangefinder 7 are arranged on the operating platform 5, a hoist is arranged in the operating platform 5, and the middle part of the lifting pipe 3 passes through the operating platform 5 and can be movably arranged on the hoist.

[0034] The support system 4 is used to be erected on the steel cage of the bridge pier; the vibrating motor 2 is used to provide power to the vibrating rod 1; the vibrating rod 1 is a portable vibrating rod 1, which is used to vibrate concrete; the probe of the laser rangefinder 7 faces downward, and is used to detect the rising distance of the concrete at the bottom of the operating platform 5; the timer 6 is used to accurately time the vibration time of the vibrating rod 1; the hoist is used to lift the vibrating rod 1 through the lifting pipe 3; the lifting pipe 3 is used to extend the lifting distance of the vibrating rod 1.

[0035] The operating platform 5 is also provided with a vibrating button 15, a lifting button 17 and a timing button 16. The vibrating button 15 is connected to the vibrating motor 2 through a connecting line, the lifting button 17 is connected to the lifting machine through a connecting line, and the timing button 16 is connected to the timer 6 through a connecting line. The vibrating button 15 is used to control the opening and closing of the vibrating motor 2; the lifting button 17 is used to control the opening and closing of the lifting machine; and the timing button 16 is used to control the opening and closing of the timer 6.

[0036] The lifting machine includes a housing 8, and two lifting mechanisms are mirror-imaged in the cavity of the housing 8. The lifting mechanism includes a lifting motor 9, a main gear 10, a sub-gear 11 and a rubber shaft 12. The fixed end of the lifting motor 9 is arranged on the housing 8, and the output end of the lifting motor 9 is provided with the main gear 10. One end of the rubber shaft 12 is rotatably arranged on the housing 8, and the other end of the rubber shaft 12 is provided with the sub-gear 11. The sub-gear 11 is meshed with the main gear 10, and the middle part of the lifting tube 3 is movably arranged between the two rubber shafts 12. There are multiple sub-gears 11 and rubber shafts 12, and the multiple rubber shafts 12 are rotatably arranged in parallel on the housing 8. The multiple sub-gears 11 are meshed with each other, and the middle part of the lifting tube 3 is movably arranged between the two rows of rubber shafts 12 of the two lifting mechanisms.

[0037] The lifting machine is composed of eight gears, two lifting motors 9, and six rubber shafts 12, which are respectively located on the left and right sides of the shell 8. The lifting motor 9 drives the main gear 10 to rotate, and the main gear 10 drives the sub-gear 11 and the rubber shaft 12 to rotate. The lifting mechanism on the left rotates counterclockwise, and the lifting mechanism on the right rotates clockwise. The two rows of rubber shafts 12 drive the middle lifting tube 3 to rise upward through friction, and further drive the vibrating rod 1 to be lifted.

[0038] The operating platform 5 is also provided with a roller rangefinder display screen 22, a timer display screen 23 and a laser rangefinder display screen 24. The roller rangefinder display screen 22 is connected to the roller rangefinder 13 via a connecting line, the timer display screen 23 is connected to the timer 6 via a connecting line, and the laser rangefinder display screen 24 is connected to the laser rangefinder 7 via a connecting line. The timer display screen 23 is used to display the vibration time of the vibrating rod 1; the laser rangefinder display screen 24 is used to display the rising height of the concrete; the roller rangefinder display screen 22 is used to display the lifting height of the vibrating rod 1.

[0039] The support system 4 includes a support rod 19 and a support leg 20. The operating platform 5 is provided with a hole 21 for the support rod 19 to pass through. The support rod 19 is arranged through the hole 21. The support legs 20 are respectively arranged at both ends of the support rod 19. The shape of the support system 4 can be adjusted according to actual conditions. When the vibration gap is small, a steel cage can also be used as the support system 4.

[0040] The second embodiment is different from the above embodiment in that: a control device 14 is arranged in the operating platform 5, and a full-automatic button 18 is also arranged on the operating platform 5. The full-automatic button 18 is connected to the control device 14 through a connecting line, and the control device 14 is respectively connected to the timer 6, the laser rangefinder 7, the hoist and the vibrating motor 2 through connecting lines.

[0041] A roller distance meter 13 is also provided in the operating platform 5. The distance measuring end of the roller distance meter 13 is in contact with the lifting tube 3. The roller distance meter 13 is connected to the control device 14 via a connecting line. The roller distance meter 13 is used to detect the lifting height of the lifting tube 3.

[0042] A vibration method for a bridge pier, comprising the following steps: step 1, setting up at least one support system 4 in the width direction of a steel cage, arranging a laser rangefinder 7, a timer 6 and at least one set of hoists on the support system 4, arranging a lifting pipe 3 and a roller rangefinder 13 in the vertical direction of the hoist, and arranging a vibrating rod 1 on the lifting pipe 3; step 2, pouring a layer of concrete in the steel cage, stopping pouring after checking that the concrete has risen by 30 cm through the laser rangefinder 7, turning on the vibrating rod 1, and counting the vibration time through the timer 6; step 3, lifting the vibrating rod 130 cm upwards through the hoist after the vibration stops, and measuring the lifting height through the roller rangefinder 13; step 4, repeating steps 2 to 3 until the overall vibration of the pier concrete is completed.

[0043] Before step 1, the number and position distribution of the vibrating devices on the steel cage are determined according to the construction site conditions. In step 2, after the lower concrete is vibrated, the upper concrete is poured, and the vibrating rod 1 is slowly lifted to vibrate at the connection between the two concrete layers, and then lifted to the upper concrete layer.

[0044] During use: before construction, the number and position of the vibrating devices are arranged according to calculations, the vibrating motor 2 can be arranged at a suitable position according to the site conditions, and the full-automatic button 18 is pressed;

[0045] When pouring concrete, the laser rangefinder 7 monitors the rising height of the concrete surface. When the concrete rises by 30 cm, the laser rangefinder 7 generates a first signal and sends the first signal to the control device 14. The control device 14 sends the first signal to the vibrating motor 2 and the timer 6 respectively. The vibrating motor 2 is turned on, and the vibrating rod 1 starts working. At the same time, the timer 6 starts timing.

[0046] After the concrete has completed the set vibration time, the timer 6 generates a second signal and sends the second signal to the control device 14, and the control device 14 sends the second signal to the vibration motor 2 and the hoist, respectively, the vibration motor 2 is turned off, and the vibrating rod 1 stops working; at the same time, the hoist lifts the vibrating rod 1 upward through the lifting pipe 3;

[0047] The roller distance meter 13 monitors the single lifting height of the lifting tube 3. After the lifting tube 3 is lifted up by 30 cm, the roller distance meter 13 generates a third signal and sends the third signal to the control device 14. The control device 14 sends the third signal to the hoist and the laser distance meter 7 respectively, and the hoist stops working; the laser distance meter 7 starts working.

[0048] Continue pouring the upper layer of concrete and repeat the above steps until the entire concrete pouring and vibration of the bridge pier is completed (during the pouring process, you only need to manually control the pouring thickness to complete the vibration operation).

[0049] The above description is only the preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A method for vibrating a bridge pier, characterized in that: The vibrating device for bridge piers is used for execution, including a vibrating rod and a vibrating motor arranged on the vibrating rod, a lifting tube is arranged between the vibrating motor and the vibrating rod, and also includes a bracket system and an operating platform arranged in the middle of the bracket system, a timer and a laser rangefinder are arranged on the operating platform, a hoist is arranged in the operating platform, and the middle part of the lifting tube passes through the operating platform and is arranged on the hoist; a vibrating button, a lifting button and a timing button are also arranged on the operating platform, the vibrating button is connected to the vibrating motor through a connecting line, the lifting button is connected to the hoist through a connecting line, and the timing button is connected to the timer through a connecting line; a control device is arranged in the operating platform, and a fully automatic button is also arranged on the operating platform, the fully automatic button is connected to the control device through a connecting line, and the control device is respectively connected to the timer, the laser rangefinder, the hoist and the vibrating motor through connecting lines; the hoist includes a shell, and the cavity of the shell is mirror-imaged. There are two lifting mechanisms, the lifting mechanism includes a lifting motor, a main gear, a sub-gear and a rubber shaft, the main gear is arranged at the output end of the lifting motor, one end of the rubber shaft is rotatably arranged on the housing, the sub-gear is arranged at the other end of the rubber shaft, the sub-gear is meshed with the main gear, and the lifting tube is arranged between the two rubber shafts; there are multiple sub-gears and multiple rubber shafts, multiple rubber shafts are rotatably arranged in parallel on the housing, and multiple sub-gears are meshed with each other; a roller rangefinder is also arranged in the operating platform, the distance measuring end of the roller rangefinder is in contact with the lifting tube, and the roller rangefinder is connected to the control device through a connecting line; a roller rangefinder display screen, a timer display screen and a laser rangefinder display screen are also arranged on the operating platform, the roller rangefinder display screen is connected to the roller rangefinder through a connecting line, the timer display screen is connected to the timer through a connecting line, and the laser rangefinder display screen is connected to the laser rangefinder through a connecting line; It includes the following steps: Determine the number and location distribution of vibrating devices on the steel cage according to the construction site conditions; Step 1: at least one support system is set up in the width direction of the steel cage, a laser rangefinder, a timer and at least one set of hoists are arranged on the support system, a lifting pipe and a roller rangefinder are arranged on the hoist, and a vibrating rod is arranged on the lifting pipe; Step 2: Pour a layer of concrete in the steel cage, check with a laser rangefinder that the concrete has risen by 30cm before stopping pouring, turn on the vibrator, and count the vibration time using a timer; after the lower layer of concrete is vibrated, pour the upper layer of concrete, slowly lift the vibrator, vibrate the vibrator at the connection between the two layers of concrete, and then lift it to the upper layer of concrete; Step 3: After the vibration stops, lift the vibrating rod upward by 30 cm using a hoist, and measure the lifting height using a roller distance meter; Step 4: Repeat steps 2 to 3 until the overall vibration of the pier column concrete is completed.

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