A prestressed concrete laminated slab field construction vibrating equipment

Abstract

The application relates to the technical field of plug-in concrete vibrating devices, and discloses a vibrating device for prestressed concrete composite slab field construction, which comprises a vibrating rod body, a flexible shaft pipeline fixedly connected to the top of the vibrating rod body, a connecting sleeve and an adjusting mechanism, the adjusting mechanism comprises a moving rod, and the connecting sleeve is rotationally clamped with the moving rod. The vibrating rod body is vibrated, the blocking ring is brought into contact with the steel bars on the vibrating path in advance, an operator readjusts the vibrating position, the vibrating rod body vibrates the concrete slurry during the insertion process, the blocking ring is driven to move and abut against the vibrating rod body through the elastic transmission when the vibrating rod body vibrates and exits, vibration is transmitted, the concrete slurry is vibrated, direct contact between the vibrating rod body and the steel bars is avoided, the vibrating quality of the concrete slurry is guaranteed, and the vibrating device is suitable for the field vibrating operation environment of the relatively dense arrangement of the steel bars of the concrete composite slab field.

Description

Technical Field

[0001] This application relates to the technical field of immersion concrete vibrating devices, and more particularly to a vibrating device for on-site construction of prestressed concrete composite slabs. Background Technology

[0002] An immersion vibrator is a construction site device that uses high-frequency mechanical vibration to compact freshly mixed concrete. It is commonly used in the pouring of various concrete structures, including beams, slabs, columns, and walls in building construction, as well as in infrastructure projects such as bridges, tunnels, and water conservancy projects. Existing motor-driven immersion vibrators consist of a vibrating rod. During operation, the motor drives an eccentric shaft assembly located within the rod to rotate at high speed via a connected flexible shaft, generating an unbalanced centrifugal force that causes the entire vibrating rod to vibrate at high frequency. The operator holds the flexible shaft and inserts the vibrating rod into the concrete, utilizing the vibration energy to eliminate air bubbles within the concrete and rearrange the concrete particles to achieve a compacted state.

[0003] However, in the on-site construction of prestressed concrete composite slabs, existing immersion vibratory compaction equipment is prone to contact with densely arranged reinforcing bars and embedded parts. This can cause the vibratory compaction rod to be inserted at an angle between the reinforcing bars, resulting in insufficient vibration depth. Furthermore, the vibratory compaction rod may get stuck by the reinforcing bars during lifting, requiring repeated lifting and lowering, which affects the vibration quality of the concrete in that area. At the same time, the frequent contact between the vibratory compaction rod and the reinforcing bars can cause the reinforcing bars to vibrate, which may cause the freshly poured concrete on the surface of the reinforcing bars to be over-vibrated and separate from the reinforcing bars. Therefore, it is not suitable for on-site construction of prestressed concrete composite slabs with densely arranged reinforcing bars. Summary of the Invention

[0004] This application proposes a vibratory compaction device for on-site construction of prestressed concrete composite slabs, which has the advantages of avoiding direct contact between the vibratory compaction rod and the reinforcing steel during the compaction process and ensuring the compaction quality. This solves the problem that existing immersion vibratory compaction devices are prone to contacting the reinforcing steel during the compaction process, affecting the compaction quality or the normal progress of construction operations.

[0005] To achieve the above objectives, this application adopts the following technical solution: a vibratory compaction device for on-site construction of prestressed concrete composite slabs, comprising a vibratory rod, a flexible shaft pipeline fixedly connected to the top of the vibratory rod, a connecting sleeve and an adjusting mechanism, the adjusting mechanism comprising a movable rod, the connecting sleeve being rotatably engaged with the movable rod, a connecting seat being movably sleeved on the outer side of the flexible shaft pipeline, a movable seat being movably provided at the bottom of the connecting seat, a spring being fixedly connected to the top of the movable seat, connecting rods being provided on both sides of the connecting seat, connecting holes being provided on both sides of the vibratory rod, and a retaining ring being provided at the bottom of the vibratory rod; The retaining ring is fixedly sleeved with the corresponding connecting rod. The outer diameter of the retaining ring is adapted to the outer diameter of the vibrating rod. When the vibrating rod is vibrating and inserted into the concrete, the retaining ring and the vibrating rod are separated. The adjusting mechanism, in conjunction with the moving rod, drives the connecting seat to move. When the vibrating rod vibrates and pushes out the concrete, the adjusting mechanism removes the relative limiting of the moving rod on the connecting seat and the moving seat, and the transmission connection between the connecting seat and the moving rod.

[0006] Furthermore, the bottom edge of the connector is inclined, and there is a space for movement between the connector and the flexible shaft pipeline, and a space for movement between the connecting hole and the connecting rod.

[0007] Furthermore, the number of the moving rods is set to two, and the adjustment mechanism also includes a limiting ring. The number of the limiting rings is adapted to the number of the moving rods and is fixedly sleeved with the corresponding moving rods. Two limiting blocks are provided at the bottom of the limiting ring, and the distance between the limiting ring and the adjacent limiting block is adapted to the thickness of the connecting seat.

[0008] Furthermore, the movable seat includes an inner ring and an outer ring, and a connecting part is fixedly connected between the inner ring and the outer ring, and one end of the spring is fixedly connected to the connecting seat.

[0009] Furthermore, a transmission rod is rotatably provided on the inner side of the connecting sleeve, one end of the transmission rod is fixedly connected to a connecting handle, and the moving rod located inside the connecting sleeve is fixedly sleeved with a transmission wheel.

[0010] Furthermore, guide rods are fixedly connected to both sides of the inner side of the movable seat, and the connecting seat is slidably engaged with the guide rods. Guide blocks are fixedly connected to both sides of the top of the vibrating rod, and a space is left between the guide blocks and the movable seat.

[0011] Furthermore, a first inclined surface is provided on the corresponding surfaces of the guide block and the connecting part near the bottom, and a second inclined surface is provided on the side of the guide block near the outer ring.

[0012] Furthermore, it also includes a bracket and a drive motor. The drive motor is fixedly mounted on one side of the top of the bracket. A movable plate is slidably mounted on one side of the top of the bracket. The movable plate is movably sleeved with a moving rod. A protrusion is provided on the top of the moving rod.

[0013] Furthermore, connecting blocks are fixedly connected to both sides of the top of the connecting seat. The connecting blocks are detachably fixedly connected to the connecting rod. A connecting hole is opened on one side of the top of the connecting rod. A scraping ring is fixedly sleeved on the connecting rod near the top position. Fixing rods are fixedly connected to both sides of the bottom of the movable plate. A pin is slidably engaged at the bottom of the fixing rod.

[0014] Furthermore, the connecting rod is slidably sleeved with the connecting seat, the top of the connecting rod is set as a semi-cylindrical shape, and the outer diameter of the scraping ring is adapted to the inner diameter of the connecting hole.

[0015] The beneficial effects of this invention are as follows: This application provides a vibratory compaction device for on-site construction of prestressed concrete composite slabs. Through the cooperation of a limiting ring and two corresponding limiting blocks, the device restricts the movement of the moving seat relative to the connecting seat during the vibration insertion of the vibratory rod into the concrete. The movement of the moving rod, via the connecting seat, drives the connecting rod to move, causing the retaining ring to move prior to the vibratory rod. This allows the vibratory rod to compact the concrete slurry while preventing direct contact between the vibratory rod and the reinforcing steel. The operator can readjust the horizontal position of the vibratory rod and modify the vibration path to ensure the insertion posture and depth of the vibratory rod, while avoiding vibration of the reinforcing steel, thus guaranteeing the quality of the concrete slurry compaction. This vibratory compaction device is suitable for on-site vibration operations in environments with relatively dense reinforcing steel, such as on-site construction of prestressed concrete composite slabs.

[0016] Furthermore, during the "slow withdrawal" process of the vibratory rod, the limiting blocks on the connecting seat and the moving seat are removed. The spring force pushes the connecting seat away from the vibratory rod, thereby driving the retaining ring to press against the vibratory rod and forming a vibration mechanism to further ensure the vibration effect. At the same time, when the limiting block removes its support and limiting on the connecting seat and the moving seat, the guide block aligns the horizontal relative position of the moving seat and the vibratory rod. The guide rod adjusts the relative horizontal position of the connecting seat. Thus, after the vibratory rod is removed from the concrete layer, it is not necessary to readjust the relative positions of the connecting seat, the moving seat, and the limiting block, improving the ease of operation, ensuring the construction efficiency of the vibration operation, and further improving the reliability of the vibratory equipment. Attached Figure Description

[0017] 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 embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort: Figure 1 This is a schematic diagram of the overall structure of this application; Figure 2 This is a partial structural diagram of this application; Figure 3 For this application Figure 2 Enlarged view of the structure at point A in the image; Figure 4 This is a cross-sectional schematic diagram of the structural portion of the connecting sleeve in this application; Figure 5 This is a schematic diagram of the structure of the connector in this application; Figure 6 This is a schematic diagram of the structure at the guide block of this application; Figure 7 This is a schematic diagram of the structure at the end of the fixing rod in this application.

[0018] In the diagram: 1. Vibrating rod; 2. Flexible shaft pipeline; 3. Moving rod; 4. Connecting seat; 5. Moving seat; 6. Spring; 7. Limiting ring; 8. Limiting block; 9. Connecting rod; 10. Retaining ring; 11. Connecting sleeve; 12. Transmission rod; 13. Transmission wheel; 14. Guide ring; 15. Guide rod; 16. Guide block; 17. First inclined plane; 18. Second inclined plane; 19. Connecting hole; 20. Connecting block; 21. Connecting hole; 22. Fixing rod; 23. Pin; 24. Drive motor; 25. Scraper ring; 26. Support; 27. Movable plate. Detailed Implementation

[0019] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0020] Example 1, as Figures 1-6 A vibratory compaction device for on-site construction of prestressed concrete composite slabs includes a vibratory rod 1 and a drive motor 24. A flexible shaft cable 2 is fixedly connected to the top of the vibratory rod 1. The drive motor 24 causes the vibratory rod 1 to vibrate via the flexible shaft cable 2. The device also includes a connecting sleeve 11, which rotatably engages with movable rods 3. The number of movable rods 3 is at least two, preferably two, and they are symmetrically arranged on both sides of the connecting sleeve 11. The movable rods 3 can drive the connecting sleeve 11 to move axially while simultaneously rotating circumferentially relative to the connecting sleeve 11. (See reference...) Figure 3 A limit ring 7 is fixedly sleeved at the bottom of the moving rod 3, and two limit blocks 8 are provided at the bottom of the limit ring 7.

[0021] The flexible shaft line 2 is movably sleeved with a connecting seat 4. The connecting seat 4 is generally disc-shaped, and there is a space for movement between the connecting seat 4 and the flexible shaft line 2. The connecting seat 4 is located between the limiting ring 7 and the corresponding adjacent limiting block 8. Specifically, the distance between the limiting ring 7 and the adjacent limiting block 8 is adapted to the thickness of the connecting seat 4. The bottom edge of the connecting seat 4 is inclined, so that when the corresponding limiting block 8 rotates and contacts the bottom inclined surface of the connecting seat 4, it can lift the connecting seat 4 to cooperate with the limiting ring 7 to axially limit the connecting seat 4. The bottom of the connecting seat 4 is movably provided with a movable seat 5. Specifically, the movable seat 5 includes an inner ring and an outer ring, and a connecting part is fixedly connected between the inner ring and the outer ring. A spring 6 is fixedly connected to the top of the inner ring. One end of the spring 6 is fixedly connected to the connecting seat 4. The spring 6 is set as a cylindrical compression spring. The spring 6 is used to push the movable seat 5 away from the connecting seat 4. When the connecting seat 4 is located between the limiting block 8 and the limiting ring 7, the spring 6 pushes the outer ring of the movable seat 5 to abut against the limiting block 8 located at the bottom of the moving rod 3.

[0022] Connecting rods 9 are provided on both sides of the connecting seat 4, and connecting holes 19 are provided on both sides of the vibrating rod body 1. The connecting rods 9 are located inside the corresponding connecting holes 19, and there is a space for movement between the connecting holes 19 and the connecting rods 9. A retaining ring 10 is provided at the bottom of the vibrating rod body 1. The retaining ring 10 is fixedly sleeved with the corresponding connecting rod 9. The outer diameter of the retaining ring 10 is adapted to the outer diameter of the vibrating rod body, and is used to contact the reinforcing bars on the path of the vibrating rod body 1 first. A transmission rod 12 is rotatably provided on the inner side of the connecting sleeve 11. The transmission rod 12 can only rotate circumferentially relative to the connecting sleeve 11. A connecting handle is fixedly connected to one end of the transmission rod 12. The connecting handle is located on the outer side of the connecting sleeve 11. The moving rod 3 is fixedly sleeved with a transmission wheel 13 inside the connecting sleeve 11. Specifically, the transmission rod 12 is set as a worm gear, and the transmission wheel 13 is set as a worm wheel. The transmission rod 12 and the transmission wheel 13 can also be set as bevel gears. The transmission rod 12 and the transmission wheel 13 mesh with each other.

[0023] Guide rods 15 are fixedly connected to both sides of the inner ring of the movable seat 5. The connecting seat 4 is slidably engaged with the guide rods 15, and the connecting seat 4 can move axially relative to the guide rods 15. (See reference...) Figure 6 Guide blocks 16 are fixedly connected to both sides of the top of the vibrating rod 1. The guide blocks 16 are located between the inner and outer rings of the moving seat 5. They are used to limit the horizontal movement range of the moving seat 5 in the limited state and prevent the moving seat 5 and the connecting seat 4 from moving horizontally out of contact with the limiting block 8. There is space between the guide blocks 16 and the moving seat 5 so that the vibrating rod can vibrate relative to the moving seat 5.

[0024] During operation, the drive motor 24 is started. Due to the space between the connecting hole 19 and the connecting rod 9, the vibrating rod 1 can move relative to the connecting rod 9 and vibrate. The operator holds the flexible shaft cable 2 and the connecting sleeve 11 respectively, causing the connecting sleeve 11 to descend while simultaneously lowering the flexible shaft cable 2. The movement of the connecting sleeve 11 drives the moving rod 3 to move axially. The movement of the moving rod 3 drives the limiting ring 7 and the limiting block 8 to move. The limiting ring 7, in conjunction with the adjacent limiting block 8, drives the connecting seat 4 between them to move and descend. At this time, the spring 6 pushes the moving seat 5 to contact the corresponding limiting block 8 and descend synchronously, while maintaining a space between it and the vibrating rod 1.

[0025] The movement of the connecting seat 4 drives the connecting rod 9 to move, which in turn causes the retaining ring 10 to descend. This allows the retaining ring 10 to descend before the vibrating rod 1, which is in a vibrating state. As a result, the vibrating rod 1 can make contact with the reinforcing steel before being inserted into the concrete. At this time, the reinforcing steel restricts the descent of the retaining ring 10, thereby increasing the reaction force transmitted to the connecting sleeve 11. The operator changes the horizontal position of the connecting sleeve 11 to avoid the reinforcing steel in the travel path, thus preventing the vibrating rod 1 from directly contacting the reinforcing steel and causing the vibrating rod 1 to tilt or cause the reinforcing steel to vibrate. This ensures the quality of concrete vibration. At the same time, the vibrating rod 1, in conjunction with the retaining ring 10, is inserted into the concrete to ensure that the vibration depth of the vibrating rod 1 is within the rated range.

[0026] After the vibratory rod 1 reaches the target depth, the connecting handle is rotated to drive the transmission rod 12 to rotate relative to the connecting sleeve 11. The transmission rod 12 drives the transmission wheel 13 to rotate, and the transmission wheel 13 drives the corresponding moving rod 3 to rotate, thereby driving the limiting block 8 and the limiting ring 7 to rotate. The limiting block 8 is removed from supporting and limiting the bottom of the connecting seat 4 and the moving seat 5. The spring 6 pushes the moving seat 5 to move closer to contact the vibratory rod 1. Then, only the connecting sleeve 11 is pulled up. During this process, the elastic force of the spring 6 pushes the connecting seat 4 to move away from the vibratory rod 1. The movement of the connecting seat 4 drives the connecting rod 9 to move relative to the vibratory rod 1, thereby driving the retaining ring 10 to move to abut against the bottom of the vibratory rod 1. Thus, the connecting seat 4, the moving seat 5, and the retaining ring 10, together with the vibratory rod 1, form a vibration mechanism and vibrate the concrete. Subsequently, the flexible shaft line 2 is slowly pulled up to pull the vibration mechanism out of the concrete layer, completing the vibration operation of this vibration node and ensuring the vibration quality of the entire vibration process.

[0027] The vibrating rod 1 vibrates to get rid of the adhering concrete slurry. Then, the drive motor 24 is turned off and the moving seat 5 and connecting sleeve 11 are lifted. The relative positions are adjusted and the connecting seat 4 is pressed against the limiting ring 7 by the elastic force of the spring 6. The moving seat 5 is positioned between two adjacent limiting blocks 8. The connecting handle is rotated, and the transmission drives the moving rod 3 to rotate, so that the limiting block 8 supports and limits the connecting seat 4 and the moving seat 5 again.

[0028] Example 2, as Figures 1-3 , Figure 5 , Figure 6 Based on Embodiment 1, the guide block 16 is located outside the connecting part of the movable seat 5. The guide block 16 and the corresponding surfaces on both sides of the connecting part are provided with a first inclined surface 17 near the bottom. The guide block 16 is provided with a second inclined surface 18 on the side near the outer ring. During the process of the movable seat 5 approaching and contacting the vibrating rod 1, the first inclined surface 17 cooperates with the connecting part and the second inclined surface 18 cooperates with the inner wall of the outer ring to guide the movement of the movable seat 5, so that when the movable seat 5 contacts the vibrating rod 1, the relative position of the movable seat 5 with respect to the vibrating rod 1 is centered and positioned.

[0029] After the vibratory rod 1 detaches from the concrete layer, unlike the reset method in Embodiment 1, in this embodiment, the flexible shaft line 2 is pulled up to raise the vibratory rod 1 relative to the connecting sleeve 11 until the height of the limiting block 8 at the bottom of the moving rod 3 is lower than the top surface of the vibratory rod 1. At this time, the bottom surface of the limiting ring 7 abuts against the connecting seat 4, which is relatively positioned by the cooperation of the moving seat 5 and the guide rod 15. The connecting handle is rotated to reset the limiting block 8. Then the height of the vibratory rod 1 relative to the moving rod 3 is lowered so that the two corresponding limiting blocks 8 support the limiting connecting seat 4 and the moving seat 5 respectively. This eliminates the need for manual adjustment of the relative horizontal position and attitude of the moving seat 5 and the connecting seat 4 with the moving rod 3, improving work efficiency and ensuring the reliability of the vibratory equipment.

[0030] Example 3, as Figures 1-7 Based on Embodiment 2, it also includes a bracket 26, a drive motor 24 fixedly mounted on one side of the top of the bracket 26, a movable plate 27 slidably mounted on one side of the top of the bracket 26, the movable plate 27 being movably sleeved with the moving rod 3, the top of the moving rod 3 being provided with a protrusion, allowing the moving rod 3 to rotate and move axially relative to the movable plate 27 without disengaging from the movable plate 27, when the retaining ring 10 encounters a steel bar obstruction during its movement, the movable plate 27 is slid horizontally to adjust the horizontal position of the moving rod 3, connecting blocks 20 are fixedly connected to both sides of the top of the connecting seat 4, the connecting rod 9 is slidably sleeved with the connecting seat 4, the connecting blocks 20 are fixedly connected to the connecting blocks 20 by screws, the top of the connecting rod 9 is set as a semi-cylindrical shape, a connecting hole 21 is opened on one side of the semi-cylindrical part of the connecting rod 9, the connecting hole 21 is set as a through hole, a scraping ring 25 is fixedly sleeved near the top of the connecting rod 9, the outer diameter of the scraping ring 25 is adapted to the inner diameter of the connecting hole 19, and fixing rods 22 are fixedly connected to both sides of the bottom of the movable plate 27, see reference. Figure 7 The bottom of the fixed rod 22 is slidably engaged with a pin 23, which can slide axially without disengaging from the fixed rod 22.

[0031] Typically, when a round of vibration operation is completed and there is a long interval between the next round, the vibration equipment needs to be cleaned. The drive motor 24 is stopped, and while the vibrating rod 1 is still in the state of forming a vibration mechanism with the connecting seat 4, the moving seat 5, and the retaining ring 10, the connecting seat 4 is lifted, so that the connecting seat 4, together with the connecting block 20, drives the connecting rod 9 to move closer to the fixed rod 22, so that the fixed rod 22 is located on one side of the semi-cylindrical part of the connecting rod 9. Part of the pin 23 is slid into the connecting hole 21, and the screws fixing the connecting block 20 and the corresponding connecting rod 9 are removed.

[0032] At this time, the horizontal positioning of the connecting rod 9 and the connecting hole 19 is indirectly completed by the horizontal positioning of the moving seat 5 in conjunction with the guide block 16 and the vibrating rod body 1, so that the axis of the connecting rod 9 and the connecting hole 19 are collinear. Then, the flexible shaft line 2 is lifted, so that the vibrating rod body 1 moves closer to the movable plate 27. The fixed rod 22 restricts the relative movement and rise of the connecting rod 9 through the pin shaft, so that the scraping ring 25 enters the relatively moved connecting hole 19, scraping away the concrete slurry that is not easy to clean in the connecting hole 19, reducing the difficulty of subsequent flushing operations, avoiding the solidification of concrete slurry after a long interval, which affects the normal use of the equipment, and improving the convenience of the scraping operation positioning while further improving the reliability of the equipment.

[0033] 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 vibratory compaction device for on-site construction of prestressed concrete composite slabs, comprising a vibratory rod (1), wherein a flexible shaft pipeline (2) is fixedly connected to the top of the vibratory rod (1), characterized in that, It also includes a connecting sleeve (11) and an adjustment mechanism. The adjustment mechanism includes a moving rod (3). The connecting sleeve (11) and the moving rod (3) are rotatably engaged. The outer side of the flexible shaft pipeline (2) is movably sleeved with a connecting seat (4). A moving seat (5) is movably provided at the bottom of the connecting seat (4). A spring (6) is fixedly connected to the top of the moving seat (5). A connecting rod (9) is provided on both sides of the connecting seat (4). A connecting hole (19) is provided on both sides of the vibrating rod body (1). A retaining ring (10) is provided at the bottom of the vibrating rod body (1). The retaining ring (10) is fixedly sleeved with the corresponding connecting rod (9). The outer diameter of the retaining ring (10) is adapted to the outer diameter of the vibrating rod. When the vibrating rod (1) vibrates and inserts into the concrete, the retaining ring and the vibrating rod (1) are separated. The adjusting mechanism, in conjunction with the moving rod (3), drives the connecting seat (4) to move. When the vibrating rod (1) vibrates and pushes out the concrete, the adjusting mechanism removes the relative limiting of the connecting seat (4) and the moving seat (5) by the moving rod (3), and the transmission connection between the connecting seat (4) and the moving rod (3). The number of the moving rods (3) is set to two. The adjustment mechanism also includes a limiting ring (7). The number of the limiting rings (7) is adapted to the number of the moving rods (3) and is fixedly sleeved with the corresponding moving rods (3). Two limiting blocks (8) are provided at the bottom of the limiting rings (7). The distance between the limiting rings (7) and the adjacent limiting blocks (8) is adapted to the thickness of the connecting seat (4). The movable seat (5) includes an inner ring and an outer ring, and a connecting part is fixedly connected between the inner ring and the outer ring. One end of the spring (6) is fixedly connected to the connecting seat (4). The movable seat (5) is fixedly connected to guide rods (15) on both sides of its inner side. The connecting seat (4) is slidably engaged with the guide rods (15). The vibrating rod body (1) is fixedly connected to guide blocks (16) on both sides of its top. There is space between the guide blocks (16) and the movable seat (5).

2. The vibratory compaction equipment for on-site construction of prestressed concrete composite slabs according to claim 1, characterized in that, The bottom edge of the connecting seat (4) is inclined, and there is a space for movement between the connecting seat (4) and the flexible shaft line (2), and there is a space for movement between the connecting hole (19) and the connecting rod (9).

3. The vibratory compaction equipment for on-site construction of prestressed concrete composite slabs according to claim 1, characterized in that, A transmission rod (12) is rotatably provided on the inner side of the connecting sleeve (11). One end of the transmission rod (12) is fixedly connected to a connecting handle. The moving rod (3) is located inside the connecting sleeve (11) and the rod body is fixedly sleeved with a transmission wheel (13).

4. The vibratory compaction equipment for on-site construction of prestressed concrete composite slabs according to claim 1, characterized in that, The guide block (16) and the corresponding surfaces on both sides of the connecting part are provided with a first inclined surface (17) near the bottom position, and the guide block (16) is provided with a second inclined surface (18) on the side near the outer ring.

5. The vibratory compaction equipment for on-site construction of prestressed concrete composite slabs according to claim 1, characterized in that, It also includes a bracket (26) and a drive motor (24). The drive motor (24) is fixedly installed on one side of the top of the bracket (26). A movable plate (27) is slidably installed on one side of the top of the bracket (26). The movable plate (27) is movably sleeved with the moving rod (3). A protrusion is provided on the top of the moving rod (3).

6. A vibratory compaction device for on-site construction of prestressed concrete composite slabs according to claim 5, characterized in that, Connecting blocks (20) are fixedly connected to both sides of the top of the connecting seat (4). The connecting blocks (20) are fixedly connected to the connecting rod (9) in a detachable manner. A connecting hole (21) is opened on one side of the top of the connecting rod (9). A scraping ring (25) is fixedly sleeved on the connecting rod (9) near the top position. Fixed rods (22) are fixedly connected to both sides of the bottom of the movable plate (27). A pin (23) is slidably engaged at the bottom of the fixed rod (22).

7. A vibratory compaction device for on-site construction of prestressed concrete composite slabs according to claim 6, characterized in that, The connecting rod (9) is slidably sleeved with the connecting seat (4). The top of the connecting rod (9) is set as a semi-cylindrical shape. The outer diameter of the scraping ring (25) is adapted to the inner diameter of the connecting hole (19).

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