A concrete flexible shaft vibrator insertion and extraction device

Abstract

This invention belongs to the field of concrete vibratory compaction machinery, specifically relating to a concrete flexible shaft vibratory rod insertion and extraction device. It includes a transverse trolley and a conveying trolley mounted on a common rail. Both the transverse trolley and the conveying trolley are equipped with a drive structure. The conveying trolley is used to connect to the tail end of the rubber rod that connects to the vibratory rod. The transverse trolley is equipped with several guide wheels distributed along an arc path. These guide wheels form a channel that restricts the sliding of the rubber rod to a certain direction. The guide wheels include both self-driven and unpowered wheels. Adopting a front-wheel-rear-carriage design concept, this invention effectively solves a series of problems such as pipe jamming or excessive pulling caused by inconsistent movements during insertion and extraction. It enables continuous, smooth, and automated insertion and extraction of the vibratory rod and automated vibration, ensuring construction efficiency, significantly reducing or eliminating the need for on-site worker assistance, and saving labor costs.

Description

Technical Field

[0001] This invention belongs to the field of concrete vibration machinery, specifically relating to a concrete flexible shaft vibrator insertion and extraction device. Background Technology

[0002] Currently, in concrete vibration, manual operation involves manually inserting the vibrator vertically or at an angle into the concrete, vibrating, and then pulling it out and repositioning it for repetition. Because the insertion, vibration, and withdrawal of the vibrator are all done manually, following construction specifications is time-consuming and labor-intensive. Furthermore, inconsistent manual skills and physical strength can easily lead to improper operation, resulting in defects such as insufficient compaction, under-vibration, over-vibration, and missed vibration. With a growing shortage of manual vibration operators on construction sites, there are attempts to adopt automated mechanical vibration or promote vibration robot technology to meet the demand for unmanned and intelligent automated concrete vibration operations on-site.

[0003] Mechanical vibratory compaction trolleys are commonly used in large hydraulic structures. An operator drives the entire vibratory compaction robot from the cab, and the trolley uses a robotic arm to insert vibratory rods into the concrete for compaction. The insertion and removal of the vibratory rods is accomplished by the extension and retraction of the robotic arm. However, the robotic arm requires a large space to perform these actions. In some small areas with corridors, slopes, or densely reinforced concrete, the limited size of the vibratory compaction trolley necessitates manual hand-held vibration of the vibratory rods. Therefore, improvements to existing vibratory compaction trolleys are needed to enable mechanized compaction operations in small, confined spaces. Summary of the Invention

[0004] This invention addresses the problem that existing vibratory compaction vehicles use a robotic arm to insert a vibratory rod into concrete for compaction, and the insertion and removal of the vibratory rod is accomplished by the extension and retraction of the robotic arm. This results in a large space required for the robotic arm to perform its actions, making it unusable in small, narrow spaces.

[0005] The present invention provides the following technical solution: a concrete flexible shaft vibrator insertion and removal device, comprising a transverse trolley and a conveying trolley mounted on a common rail, both the transverse trolley and the conveying trolley being equipped with a drive structure, the conveying trolley being used to connect to the tail of the rubber rod connected to the vibrator, the transverse trolley being provided with a plurality of guide wheels distributed along an arc path, the plurality of guide wheels forming a channel that restricts the rubber rod to slide in a certain direction, the plurality of guide wheels including self-driven wheels and non-powered wheels.

[0006] Furthermore, several guide wheels are arranged on both sides of a quarter-circular arc, with one end of the arc tangent to the track where the traverse trolley and the conveyor trolley are located, and the other end tangent to the vertical line.

[0007] Furthermore, the traverse trolley is equipped with several push wheel sets arranged along a quarter-circle arc. Each push wheel set includes two V-shaped wheels with opposing V-shaped surfaces located on both sides of the quarter-circle arc. One of them is the driving wheel, which is connected to the torque input element, and the other is the driven wheel, which is mounted on a spring seat. The wheel distance between the driving wheel and the driven wheel changes with the diameter of the rubber rod.

[0008] Furthermore, the traverse trolley has several free wheels below the push wheel assembly, distributed on both sides of a straight line tangent to the 1 / 4 arc.

[0009] Furthermore, the spring seat includes an upper seat body, a lower seat body, a guide block, and a spring. The upper seat body and the lower seat body are connected by bolts. The guide block is slidably nested in the groove of the upper seat body. The spring is located between the guide block and the lower seat body. The shaft supporting the driven wheel is connected to the guide block.

[0010] Furthermore, the V-shaped surfaces of the driving and driven wheels are covered with soft pads.

[0011] Furthermore, the track is an I-beam, and the traverse trolley and the conveying trolley are suspended from the lower flange of the I-beam by wheels; a rack along its length is installed on the bottom surface of the lower flange, and the drive gears of the respective drive structures of the traverse trolley and the conveying trolley mesh with the rack.

[0012] Compared with the prior art, the advantages of the present invention are:

[0013] This invention provides a concrete flexible shaft vibrator insertion and removal device, employing a front-wheel, rear-carriage design. When the concrete vibrator needs to be inserted, the front push wheel assembly drives it, while the rear pulling trolley slides freely. When the vibrator needs to be removed, the rear pulling trolley pulls the rubber rod backward, while the front push wheel assembly rotates freely to control its direction. This separate control of insertion and removal, with each component performing its specific function, reliably prevents overly complex insertion and removal operations. It effectively solves problems such as pipe jamming or excessive pulling caused by inconsistent movements during insertion and removal. This device enables continuous, smooth, and automated insertion and removal of the vibrator, as well as automated vibration, ensuring construction efficiency, significantly reducing or eliminating the need for on-site worker assistance, and saving labor costs.

[0014] The push wheel assembly not only includes a tension spring to provide preload and increase friction, but also covers the V-shaped surface of the V-shaped wheel with nylon material. This effectively improves the gripping force on the rubber rod, preventing slippage; secondly, it protects the rubber hose from fatigue damage caused by prolonged compression from the V-shaped wheel, thus enhancing the durability of the rubber hose and the entire device. It also effectively solves the problem of insertion and removal jamming caused by changes in the diameter of the rubber hose end. Attached Figure Description

[0015] Figure 1This is a schematic diagram of the structure of the present invention.

[0016] Figure 2 This is a simplified diagram illustrating the working principle of the present invention.

[0017] Figure 3 This is a schematic diagram of the push wheel assembly.

[0018] Figure 4 This is a schematic diagram of the V-shaped wheel.

[0019] In the diagram: 1-Transverse trolley; 2-Pulling trolley; 3-Rubber rod; 4-Rail; 5-Rack; 6-Push wheel assembly; 6.1-Driving wheel; 6.2-Driven wheel; 6.3-Upper seat; 6.4-Lower seat; 6.5-Guide block; 6.6-Spring; 6.7-Bolt; 7-Free wheel. Detailed Implementation

[0020] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] like Figure 1 , Figure 2 As shown: A concrete flexible shaft vibrator insertion and removal device is installed on an automatic vibration operation device, including a transverse trolley 1 and a conveying trolley 2 mounted on a common rail. Both the transverse trolley 1 and the conveying trolley 2 are equipped with a drive structure. The conveying trolley 2 is used to connect to the tail of the rubber rod 3 that connects to the vibrator. The transverse trolley 1 is provided with a number of guide wheels distributed along an arc path. The number of guide wheels forms a channel between them to restrict the sliding of the rubber rod 3 in a certain direction. The number of guide wheels includes self-driven wheels and non-powered wheels.

[0022] Several guide wheels are arranged on both sides of a quarter-circular arc with a radius of 0.45m. One end of the arc is tangent to the track 4 where the transverse trolley 1 and the conveying trolley 2 are located, and the other end is tangent to the vertical line. After the mechanical arm of the automatic vibration operation device horizontally sends the rubber rod 3 in, it achieves a 90° bend through the concrete flexible shaft vibrator insertion and extraction device of this embodiment.

[0023] like Figure 3 , Figure 4As shown: The transverse trolley 1 is equipped with several pusher wheel sets 6 arranged along a 1 / 4 circular arc, so that during the movement of the rubber rod, the vibrating rod tube can be transformed from a horizontal state to a vertical state, realizing the transformation from a storage state to a working state, and at the same time playing an active guiding role. The pusher wheel set 6 includes two V-shaped wheels with opposing V-shaped surfaces located on both sides of the 1 / 4 circular arc. The V-shaped surfaces are conducive to maintaining single-point contact of the rubber rod and preventing tearing of the rubber rod tube surface caused by speed differences at different contact radii. One of them is the driving wheel 6.1, which is connected to the torque input element, and the other is the driven wheel 6.2, which is mounted on a spring seat. The wheel distance between the driving wheel 6.1 and the driven wheel 6.2 changes with the diameter of the rubber rod 3.

[0024] The spring seat includes an upper seat 6.3, a lower seat 6.4, a guide block 6.5, and a spring 6.6. The upper seat 6.3 and the lower seat 6.4 are connected by bolts 6.7. The guide block 6.5 is slidably nested in the groove of the upper seat 6.3. The spring 6.6 is located between the guide block 6.5 and the lower seat 6.4, and the shaft supporting the driven wheel 6.2 is connected to the guide block 6.5. The spring 6.6 provides preload to the rubber rod 3, ensuring that the rubber rod is tightly attached between the two V-shaped wheels of the push wheel assembly 6. When the push wheel assembly 6 is in operation, it provides sufficient pressure and friction to prevent the rubber rod from slipping. Simultaneously, the spring 6.6 has strong extensibility, effectively solving the problems of insufficient friction and difficulty in pushing and pulling caused by changes in the diameter of the rubber rod.

[0025] The V-shaped surfaces of the driving wheel 6.1 and the driven wheel 6.2 are covered with soft pads. The pads are made of nylon or other soft, wear-resistant materials that can increase friction. The pads not only increase the friction between the rubber rod and the V-shaped wheel, but also increase the contact area between the V-shaped wheel and the rubber rod, reduce pressure, and protect the rubber rod from slippage and wear caused by repeated insertion and removal of the mechanical wheel assembly, thereby improving the durability and practicality of the rubber rod and the push wheel assembly 6.

[0026] Several free wheels 7 are installed on the traverse trolley 1 below the push wheel assembly 6. The free wheels 7 are distributed on both sides of a straight line tangent to the 1 / 4 arc. There are at least 4 free wheels 7, which are used to control the insertion and withdrawal angle of the vibrator and prevent the rigid vibrator at the front end from deviating from its original angle and position due to the pulling operation of the rubber rod at the tail.

[0027] Track 4 is an I-beam. The transverse trolley 1 and the conveying trolley 2 are suspended from the lower flange of the I-beam by wheels. A rack 5 along its length is installed on the bottom surface of the lower flange. The drive gears of the drive structures of the transverse trolley 1 and the conveying trolley 2 mesh with the rack 5.

[0028] The concrete flexible shaft vibrator insertion and extraction device in this embodiment can be fully controlled by a PLC. The PLC control system is equipped with an automatic encoder and an operation control system, allowing precise control of the rubber rod's feeding and insertion / extraction length via the encoder. When the rubber rod needs to be inserted, the PLC controls the push wheel assembly 6 to drive the rubber rod forward, slowly inserting it into the concrete to the specified depth. When the concrete vibrator needs to be extracted, the PLC controls the pulling trolley 2 to move backward, pulling the rubber rod backward to pull it out of the concrete, thus achieving automation and precise positioning control of the vibrator insertion and extraction operation.

[0029] The specific implementation method of the automatic insertion and extraction process using the concrete flexible shaft vibrator insertion and extraction device is as follows:

[0030] When the flexible shaft vibrating rubber rod tube (set) needs to be inserted into the concrete, the push wheel group 6 on the insertion and extraction device is controlled by PLC to push the rubber rod forward, thereby driving the rigid vibrating rod head at the front end of the rubber rod to insert into the concrete. After the vibration at this point is completed, when the vibrating rod head needs to be pulled out of the concrete for relocation, the pulling trolley 2 at the rear end of the PLC control device moves slowly backward, thereby pulling the rubber rod backward, and at the same time driving the rigid vibrating rod head at the front end to be pulled out of the concrete. Then the lateral trolley 1 at the front end is moved to align the concrete vibrating rod head with the next vibration point, and the above operation is repeated.

[0031] The above description of the disclosed embodiments enables those skilled in the art to make or use the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A concrete flexible shaft vibrator insertion and extraction device, characterized in that: It includes a transverse trolley (1) and a conveying trolley (2) installed on a common rail. Both the transverse trolley (1) and the conveying trolley (2) are equipped with a drive structure. The conveying trolley (2) is used to connect to the tail of the rubber rod (3) that connects to the vibrating rod. The transverse trolley (1) is provided with several guide wheels distributed in an arc path. The guide wheels form a channel between them to restrict the rubber rod (3) to slide in a certain direction. The guide wheels include self-driven wheels and non-powered wheels.

2. The concrete flexible shaft vibrator insertion and extraction device according to claim 1, characterized in that: Several of the aforementioned guide wheels are arranged on both sides of a quarter-circular arc, one end of which is tangent to the track (4) where the transverse trolley (1) and the conveying trolley (2) are located, and the other end is tangent to the vertical line.

3. The concrete flexible shaft vibrator insertion and extraction device according to claim 2, characterized in that: The traverse trolley (1) is provided with several push wheel sets (6) arranged along a 1 / 4 arc. The push wheel set (6) includes two V-shaped wheels with opposite V-shaped surfaces located on both sides of the 1 / 4 arc. One of them is a driving wheel (6.1) connected to the torque input element, and the other is a driven wheel (6.2) mounted on a spring seat. The wheel distance between the driving wheel (6.1) and the driven wheel (6.2) changes with the diameter of the rubber rod (3).

4. The concrete flexible shaft vibrator insertion and extraction device according to claim 3, characterized in that: The traverse trolley (1) has several free wheels (7) below the push wheel group (6), and the free wheels (7) are distributed on both sides of a straight line tangent to the 1 / 4 arc.

5. The concrete flexible shaft vibrator insertion and extraction device according to claim 4, characterized in that: The spring seat includes an upper seat (6.3), a lower seat (6.4), a guide block (6.5), and a spring (6.6). The upper seat (6.3) and the lower seat (6.4) are connected by bolts (6.7). The guide block (6.5) is slidably nested in the groove of the upper seat (6.3). The spring (6.6) is between the guide block (6.5) and the lower seat (6.4). The shaft supporting the driven wheel (6.2) is connected to the guide block (6.5).

6. The concrete flexible shaft vibrator insertion and extraction device according to claim 3, characterized in that: The V-shaped surfaces of the driving wheel (6.1) and driven wheel (6.2) are covered with soft pads.

7. The concrete flexible shaft vibrator insertion and extraction device according to claim 2, characterized in that: The track (4) is an I-beam. The transverse trolley (1) and the conveying trolley (2) are suspended on the lower flange of the I-beam by wheels. A rack (5) along its length is installed on the bottom surface of the lower flange. The drive gears of the respective drive structures of the transverse trolley (1) and the conveying trolley (2) mesh with the rack (5).

Images