Concrete segment plastering equipment

By designing an automated finishing equipment and utilizing the cooperation of the support mechanism and the finishing mechanism, the problem of ensuring a smooth surface for concrete segments during manual finishing has been solved, achieving efficient finishing results and cost optimization.

CN223948125UActive Publication Date: 2026-02-27JINAN RAILWAY SEGMENT MFG CO LTD
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Patent Information

Application Number
CN202520435711.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-13
Publication Date
2026-02-27
Estimated Expiration
2035-03-13

AI Technical Summary

Technical Problem

In the current process of finishing concrete pipe segments, manual finishing makes it difficult to ensure that the surface of reinforced concrete pipe segments is flat and smooth, resulting in poor production capacity.

Method used

A concrete pipe segment finishing device was designed. Utilizing constant pressure and a vibrating motor, the device automatically smooths the surface of the concrete pipe segment through the cooperation of a support mechanism and a finishing mechanism, ensuring a smooth and flat surface.

Benefits of technology

This results in a smoother and more even surface for concrete segments, improves the finishing effect, reduces production costs, and adapts to the processing needs of segments of different specifications.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of concrete pipe piece production, and discloses concrete pipe piece plastering equipment which comprises a base, two sliding seats installed on the base in a sliding mode, supporting mechanisms installed on the sliding seats in a rotating mode and a plastering mechanism connected to the two supporting mechanisms. The base is provided with a first driving assembly for driving the two sliding seats to get close to each other or get away from each other, and the sliding seats are provided with second driving assemblies for driving the supporting mechanisms to swing along the arc-shaped surface of the mold; the mold is supported by a sliding rail, and the sliding rail is located above the base; the supporting mechanism comprises a supporting sleeve rotationally connected with the sliding base and supporting plates installed on the supporting sleeve in a sliding mode, and the plastering mechanism is connected to the two supporting plates. And the concrete duct piece is flattened through constant pressure, so that the surface of the concrete duct piece is smoother.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of concrete segment production, and particularly relates to a concrete segment troweling equipment. BACKGROUND

[0002] With the increase of the number of domestic motor vehicles, ground traffic has been difficult to meet the travel requirements of people, and urban traffic must develop towards subway construction. The focus of subway construction is shield tunnel construction, and segments are one of the main structures of shield tunnels, which bear the pressure of soil, underground water and other loads, and the quality of shield segments directly relates to the overall quality and safety of the entire subway project and influences the waterproof and durability of the tunnel. In the production process of shield segments, the troweling and water collecting of concrete segments is a relatively key process, after concrete is poured into the corresponding mold and vibration is completed, the outer surface of the concrete segment is troweled and water collected by manual work, the concrete surface is tamped, and the excess concrete material is removed, and finally the surface is troweled.

[0003] The existing concrete segment troweling usually needs two workers to hold troweling plates to trowel the reinforced concrete segments, and due to the different forces of each person, the surface of the reinforced concrete segment cannot be guaranteed to be smooth, resulting in poor production capacity of the reinforced concrete segment.

[0004] Therefore, the present application is produced in view of the above-mentioned defects in the prior art. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at providing a concrete segment troweling equipment, which trowels the concrete segment with constant pressure to make the surface of the concrete segment more smooth.

[0006] To achieve the above technical purpose, the utility model adopts the following technical scheme:

[0007] A concrete segment troweling equipment, which comprises a base, two sliding bases slidingly installed on the base, a supporting mechanism rotatingly installed on the sliding base and a troweling mechanism connected between the two supporting mechanisms, a first driving assembly is arranged on the base and drives the two sliding bases to move close to or away from each other, a second driving assembly is arranged on the sliding base and drives the supporting mechanism to swing along the arc surface of the mold, the mold is supported by a slide rail, and the slide rail is located above the base, the supporting mechanism comprises a supporting sleeve rotatingly connected with the sliding base and a supporting plate slidingly installed on the supporting sleeve, and the troweling mechanism is connected between the two supporting plates.

[0008] Further, the support mechanism further comprises a mounting seat movably arranged on the support plate, the support plate is formed with a mounting cavity for mounting the mounting seat, two inner sides of the mounting cavity are formed with limiting sliding grooves, a side wall of the mounting seat is formed with limiting sliding blocks matched with the limiting sliding grooves; the mounting cavity is further provided with a spring, one end of the spring is connected to the top of the limiting sliding block, and the other end of the spring is connected to the inner top wall of the mounting cavity; a side wall of the mounting seat close to the troweling mechanism is formed with a plug-in groove. A downward pressure is provided by the spring, so that the troweling mechanism can be in real-time contact with the arc surface of the concrete segment.

[0009] Further, the troweling mechanism comprises a troweling plate, a mounting rod and a connecting rod connecting the troweling plate and the mounting rod, two ends of the mounting rod are formed with plug-in blocks matched with the plug-in groove; the top of the troweling plate is provided with a vibration motor. The vibration motor can make the troweling plate vibrate constantly to thicken the paste when troweling, so that the surface of the concrete segment is smoother.

[0010] Further, an outer side wall of the support sleeve is formed with a through groove, the support plate is provided with a connecting block penetrating through the through groove and sliding up and down along the through groove; the outer part of the support sleeve is fixedly connected with a first air cylinder, and a piston rod of the first air cylinder is fixedly connected with the connecting block. The height of the support plate can be adjusted by the first air cylinder to adapt to segments of different specifications.

[0011] Further, the support sleeve is provided with a rotating shaft rotatably connected with the sliding seat, the rotating shaft is provided with a gear, the sliding seat is formed with a rotating hole matched with the rotating shaft and a gear cavity accommodating the gear; the second driving assembly comprises a gear row engaged with the gear and a second air cylinder driving the gear row to move; two sides of the sliding seat are formed with through holes in communication with the gear cavity, and the gear row is slidingly installed in the through holes; the sliding seat is provided with a mounting plate, the second air cylinder is fixedly installed on the mounting plate, and a piston rod of the second air cylinder is fixedly connected with the end of the gear row.

[0012] Further, an inner side wall of one of the support sleeves is provided with a connecting sleeve, and an inner side wall of the other support sleeve is provided with a transmission shaft slidingly matched with the connecting sleeve; the connecting sleeve is formed with a plurality of annularly arranged key grooves, and the transmission shaft is formed with key strips matched with the key grooves. Through the cooperation of the connecting sleeve and the transmission shaft, the support mechanisms on both sides can move more uniformly when swinging.

[0013] Further, the first driving assembly comprises a bidirectional screw rod and a driving motor; the bottom of the sliding seat is provided with a sliding block and a driving block, the base is formed with a sliding groove matched with the sliding block and a driving groove matched with the driving block, the bidirectional screw rod is rotatably installed in the driving groove, and the driving block is formed with a threaded hole matched with the bidirectional screw rod.

[0014] With the above structure, the concrete segment surface finishing equipment compared with the prior art, the case will be set in two support mechanism finishing mechanism, through the second drive assembly driven support mechanism along the arc surface of the mold swing, so that the finishing mechanism of the concrete segment arc surface automatic smoothing, compared with artificial smoothing, the device can maintain constant pressure smoothing, make the concrete segment surface more smooth, improve the smoothing effect. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model can be further explained by the non - limiting embodiment shown in the drawings;

[0016] Figure 1 For the structure of the utility model schematic diagram;

[0017] Figure 2 For Figure 1 The local amplification structure schematic diagram of A place in middle;

[0018] Figure 3 For the structure schematic diagram of finishing mechanism in the utility model;

[0019] Figure 4 For the structure schematic diagram of mounting seat in the utility model;

[0020] Figure 5 For the structure schematic diagram of support sleeve in the utility model;

[0021] Figure 6 For the structure schematic diagram of slide in the utility model;

[0022] Figure 7 The structure schematic diagram of base in the utility model.

[0023] The main element symbol explanation is as follows: base 1, sliding groove 11, drive groove 12, slide 2, rotating hole 21, gear cavity 22, perforation 23, mounting plate 24, sliding block 25, drive block 26, support mechanism 3, support sleeve 31, through slot 311, rotating shaft 312, connecting sleeve 313, transmission shaft 314, gear 3121, support plate 32, mounting cavity 321, limit sliding slot 3211, connecting block 322, mounting seat 33, limit sliding block 331, plug-in slot 332, spring 34, first air cylinder 36, finishing mechanism 4, finishing plate 41, mounting rod 42, plug-in block 421, connecting rod 43, vibration motor 44, first drive assembly 5, bidirectional screw rod 51, drive motor 52, mold 6, second drive assembly 7, gear row 71, second air cylinder 72, slide rail 8. DETAILED DESCRIPTION

[0024] The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that similar or identical parts are referred to by the same reference numerals in the drawings or description. Implementations not shown or described in the drawings are forms known to those skilled in the art. Furthermore, directional terms mentioned in the embodiments, such as "up," "down," "top," "bottom," "left," "right," "front," and "back," are only for reference to the directions in the drawings and are not intended to limit the scope of protection of the present invention.

[0025] like Figures 1-7 As shown, this utility model relates to a concrete pipe segment finishing device, which includes a base 1, two slide blocks 2 slidably mounted on the base 1, a support mechanism 3 rotatably mounted on the slide blocks 2, and a finishing mechanism 4 connected to the two support mechanisms 3. The base 1 is provided with a first driving component 5 that drives the two slide blocks 2 to move closer or further apart from each other, and the slide blocks 2 are provided with a second driving component 7 that drives the support mechanism 3 to swing along the arc surface of the mold 6. The mold 6 is supported by a slide rail 8, which is located above the base 1. The support mechanism 3 includes a support sleeve rotatably connected to the slide blocks 2 and a support plate 32 slidably mounted on the support sleeve 31. The finishing mechanism 4 is connected to the two support plates 32. Because concrete segments have different specifications, such as different widths and diameters, the height of the support mechanism 3 and the distance between the two support mechanisms 3 are required during use. Furthermore, different lengths of finishing mechanisms 4 need to be replaced according to the width. Therefore, the first drive assembly 5 drives the two sliding blocks 2 to move closer or further apart, thereby adjusting the distance between the two support mechanisms 3. Additionally, a through groove 311 is formed on the outer wall of the support sleeve 31, and a connecting block 322 is provided on the support plate that passes through the through groove 311 and slides up and down along it. A first cylinder 36 is fixedly connected to the outside of the support sleeve, and the piston rod of the first cylinder 36 is fixedly connected to the connecting block 322. The height of the support plate 32 can be adjusted using the first cylinder 36 to accommodate segments of different specifications, avoiding the need for additional equipment processing when producing segments of different specifications, thus reducing overall production costs and improving practicality.

[0026] Specifically, the supporting mechanism 3 further comprises a mounting seat 33 movably arranged on a supporting plate 32, the supporting plate 32 is formed with a mounting cavity 321 for mounting the mounting seat 33, two inner sides of the mounting cavity 321 are formed with limiting sliding grooves 3211, a side wall of the mounting seat 33 is formed with limiting sliding blocks 331 matched with the limiting sliding grooves 3211; the mounting cavity 321 is further provided with a spring 34, one end of the spring 34 is connected to the top of the limiting sliding blocks 331, and the other end is connected to the inner top wall of the mounting cavity 321; a side wall of the mounting seat 33 close to the troweling mechanism 4 is formed with a plug-in groove 332. The troweling mechanism 4 comprises a troweling plate 41, a mounting rod 42, and a connecting rod 43 connecting the troweling plate 41 and the mounting rod 42, both ends of the mounting rod 42 are formed with plug-in blocks 421 matched with the plug-in groove 332; the top of the troweling plate 41 is provided with a vibration motor 44. When the troweling mechanism 4 is installed, the troweling mechanism 4 can be first hoisted in the air by a crane, and one of the plug-in blocks 421 is plugged and matched with one of the plug-in grooves 332, then the two sliding seats 2 are driven to move close to each other by the first driving assembly 5 until the other plug-in block 421 is installed into the plug-in groove 332, in addition, the plug-in block 421 can be selected as a square block or a multi-prism block to prevent the troweling plate 41 from rotating during use; when troweling, the supporting mechanism 3 drives the troweling mechanism 4 to deviate towards the output end of the track, when the mold 6 moves to the processing position, the tangent line close to the end of the concrete segment is just extruded with the troweling plate 41, the spring 34 provides a pressure towards the radial direction of the segment, so that the troweling mechanism 4 can be in real-time contact with the arc surface of the concrete segment, then the whole supporting mechanism 3 is swung under the action of the second driving assembly 7, so that the troweling plate 41 moves along the arc surface of the segment to trowel, and in the process of troweling, the vibration motor 44 is vibrated constantly to raise the slurry, so that the surface of the concrete segment is smoother.

[0027] In the embodiment, the supporting sleeve 31 is provided with a rotating shaft 312 rotatably connected with the sliding seat 2, the rotating shaft 312 is provided with a gear 3121, the sliding seat 2 is formed with a rotating hole 21 matched with the rotating shaft 312 and a gear 3121 cavity 22 accommodating the gear 3121; the second driving assembly 7 comprises a gear row 71 engaged with the gear 3121 and a second cylinder 72 driving the gear row 71 to move; both sides of the sliding seat 2 are formed with through holes 23 communicated with the gear 3121 cavity 22, the gear row 71 is slidingly installed in the through holes 23; the sliding seat 2 is provided with a mounting plate 24, the second cylinder 72 is fixedly installed on the mounting plate 24, and the piston rod of the second cylinder 72 is fixedly connected with the end of the gear row 71. Specifically, both sides of the sliding seat 2 are provided with mounting plates 24, the second cylinder 72 is arranged on each mounting plate 24, and the piston rods of the two second cylinders 72 are respectively connected with both ends of the gear row 71, so that the movement of the gear row 71 is more efficient through the cooperation of the two second cylinders 72.

[0028] In addition, in order to make the two support mechanisms move more uniformly when swinging, and to adapt to the adjustment of the distance between the two support mechanisms 3, a connecting sleeve 313 is arranged on the inner side wall of one support sleeve 31, and a transmission shaft 314 that is in sliding fit with the connecting sleeve 313 is arranged on the inner side wall of the other support sleeve 31; the connecting sleeve 313 is formed with a plurality of annularly arranged key grooves, and the transmission shaft 314 is formed with a key strip that is in fit with the key grooves.

[0029] In the embodiment, the first driving assembly 5 comprises a bidirectional screw rod 51 and a driving motor 52; the driving motor 52 is fixedly installed on the side wall of the base 1, the output shaft of the driving motor 52 is in transmission connection with the bidirectional screw rod 51; the bottom of the sliding seat 2 is provided with a sliding block 25 and a driving block 26, the base 1 is formed with a sliding groove 11 that is in fit with the sliding block 25 and a driving groove 12 that is in fit with the driving block 26, the bidirectional screw rod 51 is rotatably installed in the driving groove 12, and the driving block 26 is formed with a threaded hole that is in fit with the bidirectional screw rod 51.

[0030] The working process of the concrete pipe piece finishing device is as follows: first, the distance and height between the two support mechanisms 3 are adjusted according to the specification of the concrete pipe piece to be machined, and the matching finishing mechanism 4 is installed, when finishing is needed, the mold 6 filled with concrete is moved between the two support mechanisms 3, then the two support mechanisms 3 are driven to swing by the second driving assembly 7, so as to drive the finishing plate 41 to move along the arc surface of the concrete pipe piece for finishing.

[0031] The concrete pipe piece finishing device is introduced in detail above. The description of the specific embodiments is only used to help understand the method and the core idea of the concrete pipe piece finishing device. It should be pointed out that, for ordinary skilled persons in the technical field, some improvements and modifications can be made to the concrete pipe piece finishing device without departing from the principle of the concrete pipe piece finishing device, and these improvements and modifications also fall within the protection scope of the claims of the concrete pipe piece finishing device.

Claims

1. A concrete segment plastering device, characterized in that: The device includes a base (1), two slides (2) slidably mounted on the base (1), a support mechanism (3) rotatably mounted on the slides (2), and a finishing mechanism (4) connected to the two support mechanisms (3). The base (1) is provided with a first drive assembly (5) that drives the two slides (2) to move closer or further apart from each other, and the slides (2) are provided with a second drive assembly (7) that drives the support mechanism (3) to swing along the arc surface of the mold (6). The mold (6) is supported by a slide rail (8) located above the base (1). The support mechanism (3) includes a support sleeve (31) rotatably connected to the slides (2) and a support plate (32) slidably mounted on the support sleeve (31). The finishing mechanism (4) is connected to the two support plates (32).

2. The concrete segment plastering equipment according to claim 1, characterized in that: The support mechanism (3) further includes a mounting seat (33) movably disposed on the support plate (32). The support plate (32) has a mounting cavity (321) for mounting the mounting seat (33). Limiting grooves (3211) are formed on both inner sides of the mounting cavity (321). A limiting slider (331) that cooperates with the limiting groove (3211) is formed on the side wall of the mounting seat (33). A spring (34) is also provided in the mounting cavity (321). One end of the spring (34) is connected to the top of the limiting slider (331), and the other end is connected to the inner top wall of the mounting cavity. An insertion groove (332) is formed on the side wall of the mounting seat (33) near the troweling mechanism (4).

3. The concrete segment plastering equipment according to claim 2, characterized in that: The troweling mechanism (4) includes a troweling panel (41), a mounting rod (42), and a connecting rod (43) connecting the troweling panel (41) and the mounting rod (42). The mounting rod (42) has two plug-in blocks (421) at both ends that cooperate with the plug-in groove (332). The top of the troweling panel (41) is provided with a vibration motor (44).

4. A concrete segment plastering device according to claim 3, characterized in that: A through groove (311) is formed on the outer side wall of the support sleeve (31), and a connecting block (322) is provided on the support plate (32) that passes through the through groove (311) and slides up and down along the through groove (311); a first cylinder (36) is fixedly connected to the outside of the support sleeve (31), and the piston rod of the first cylinder (36) is fixedly connected to the connecting block (322).

5. A concrete segment plastering device according to claim 1, characterized in that: The support sleeve (31) is provided with a rotating shaft (312) rotatably connected to the slide (2), the rotating shaft (312) is provided with a gear (3121), the slide (2) is formed with a rotating hole (21) that cooperates with the rotating shaft (312) and a gear cavity (22) that accommodates the gear (3121); the second drive assembly (7) includes a gear rack (71) that meshes with the gear (3121) and a second cylinder (72) that pushes the gear rack (71) to move; the two sides of the slide (2) are formed with through holes (23) that communicate with the gear cavity (22), and the gear rack (71) is slidably installed in the through holes (23); the slide (2) is provided with a mounting plate (24), the second cylinder (72) is fixedly installed on the mounting plate (24), and the piston rod of the second cylinder (72) is fixedly connected to the end of the gear rack (71).

6. A concrete segment plastering device according to claim 5, characterized in that: One of the support sleeves (31) has a connecting sleeve (313) on its inner sidewall, and the other support sleeve (31) has a transmission shaft (314) that slides with the connecting sleeve (313) on its inner sidewall; the connecting sleeve (313) has a plurality of keyways arranged in an annular array, and the transmission shaft (314) has a key bar that mates with the keyways.

7. A concrete segment plastering device according to claim 1, characterized in that: The first drive assembly (5) includes a bidirectional screw (51) and a drive motor (52); the bottom of the slide block (2) is provided with a sliding block (25) and a drive block (26), the base (1) is formed with a sliding groove (11) that cooperates with the sliding block (25) and a drive groove (12) that cooperates with the drive block (26), the bidirectional screw (51) is rotatably installed in the drive groove (12), and the drive block (26) is formed with a threaded hole that cooperates with the bidirectional screw (51).