Ultra-large-diameter shield segment preparation mold

Abstract

The utility model relates to the technical field of tunnel construction equipment, and discloses a super-large-diameter shield segment preparation mold which comprises a bottom plate, a lower mold is fixedly connected to the upper surface of the bottom plate, and a mold groove is formed in the upper surface of the lower mold. According to the ultra-large-diameter shield segment preparation mold, through the cooperation effect of the movable tamping plate, the vibration motor, the first lead screw and the second lead screw, rotation of the first lead screw and the second lead screw can drive the movable tamping plate and the vibration motor to transversely move, and therefore the concrete vibrating process is more efficient; compared with the prior art, complexity and time consumption of manual vibration are reduced, so that the production efficiency is improved, the vibration frequency and starting and stopping of each vibration motor can be controlled and adjusted through the controller, local vibration of materials is achieved, it is ensured that all parts in the mold can be evenly vibrated, even distribution of the materials is achieved, the compactness is improved, and the production efficiency is improved. The quality of the formed duct piece is obviously improved, and the rejection rate is reduced.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of tunnel construction equipment, in particular to a super-large-diameter shield segment preparation mold. BACKGROUND

[0002] With the acceleration of urbanization and the growth of traffic demand, more and more cities begin to plan and construct subways, light rails and other underground transportation tools. This makes the demand for tunnel construction technology and equipment increasing. Among them, the shield machine as a kind of efficient tunneling equipment plays an important role in long-distance and complex geological conditions tunnel construction. However, the existing shield segment preparation mold has many limitations in size, precision and efficiency, which cannot meet the increasing demand for large-diameter tunnel construction.

[0003] However, when the concrete in the mold is vibrated, the local vibration is not ideal, especially in the difficult-to-reach parts such as the edges and corners of the mold, the vibration effect is poor, which directly affects the strength and uniformity of the segment, thereby reducing the production efficiency, and also leading to the increase of the waste rate, which brings unnecessary cost increase and time delay to the tunnel construction. CONTENT OF THE UTILITY MODEL

[0004] In view of the deficiencies of the prior art, the application provides a super-large-diameter shield segment preparation mold, which has the advantages of flexible adjustment of vibration frequency and fullness of local vibration, and solves the problems raised in the background art.

[0005] To achieve the above purpose, the application provides the following technical scheme: a super-large-diameter shield segment preparation mold, comprising a bottom plate, the upper surface of the bottom plate is fixedly connected with a lower mold, the upper surface of the lower mold is provided with a mold groove, the inside of the lower mold is provided with a cavity, the inner wall of the cavity is slidably connected with a movable tamping plate, the outer surface of the movable tamping plate is in contact with the inner top wall of the cavity, the outer surface of the movable tamping plate is provided with a mounting groove, the inner wall of the mounting groove is fixedly connected with a plurality of vibration motors, each vibration motor is wirelessly connected with an external controller, the outer surface of the lower mold is provided with an adjusting assembly, the adjusting assembly comprises two first fixed plates and two second fixed plates, the side face of the two first fixed plates close to each other is rotatably connected with a second lead screw, the side face of the two second fixed plates close to each other is rotatably connected with a first lead screw, the inner wall of the movable tamping plate is threadedly connected to the outer surface of the first lead screw and the outer surface of the second lead screw, the outer surface of one of the first fixed plates is fixedly embedded with a servo motor, and the output end of the servo motor is fixedly connected to one end of the second lead screw.

[0006] Through the above scheme, through the cooperation between the mobile tamping plate, the vibration motor, the first lead screw and the second lead screw, the rotation of the first lead screw and the second lead screw can drive the mobile tamping plate and the vibration motor to move horizontally, thereby making the concrete vibration process more efficient, reducing the tediousness and time consumption of manual vibration, thereby improving the production efficiency, and the controller can control and adjust the vibration frequency and on-off of each vibration motor, thereby realizing local vibration of the material, thereby ensuring that each part in the mold can be uniformly vibrated, thereby realizing uniform distribution of the material and improving the density, significantly improving the quality of the formed pipe piece, and reducing the scrap rate.

[0007] Further, the two first fixed plates are fixedly connected to the outer surface of the lower mold, the outer surfaces of the two second fixed plates are fixedly connected to the outer surface of the lower mold, one end of the first lead screw and the second lead screw is fixedly connected with an extension shaft, the outer surfaces of the two extension shafts are rotatably connected to the inner walls of the first fixed plate and the second fixed plate respectively, the outer surfaces of the two extension shafts are fixedly connected with sprockets, and the outer surfaces of the two sprockets are sleeved with a transmission chain.

[0008] Through the above scheme, through the action of the extension shaft, the sprocket and the transmission chain, when the second lead screw rotates, the first lead screw can be driven to rotate synchronously, thereby ensuring synchronous rotation of the two, so that the mobile tamping plate can move smoothly.

[0009] Further, the upper surface of the bottom plate is fixedly connected with two symmetrical bubble levels, the outer surface of the bottom plate is provided with four groups of rectangular array support assemblies, the support assembly comprises a threaded sleeve fixedly connected to the inner wall of the bottom plate, the inner wall of the threaded sleeve is threadedly connected with a third lead screw, and one end of the third lead screw is fixedly connected with a rotating disc.

[0010] Through the above scheme, through the action of the bubble level and the support assembly, the height of the corner of the bottom plate can be adjusted to ensure that the bottom plate remains horizontal.

[0011] Further, the other end of the third lead screw is rotatably connected with a mounting plate, and a universal foot is fixedly installed on the bottom surface of the mounting plate.

[0012] Through the above scheme, through the action of the universal foot, the bottom plate can be kept stable under various ground conditions, preventing the bracket from shaking or tilting due to uneven or vibration of the ground.

[0013] Further, the upper surface of the lower mold is fixedly connected with four rectangular array guide rods, and the outer surfaces of the four guide rods are slidably connected with the upper mold.

[0014] Through the above scheme, through the setting guide rod effect, the movement of the upper mold can be limited and guided, ensuring that the upper mold can stably vertically lift.

[0015] Further, the inner wall of the upper mold is rotationally connected with four groups of rectangular array bolts, the upper surface of the lower mold is provided with four groups of rectangular array threaded holes, and the outer surfaces of the four groups of bolts are matched with the inner walls of the four groups of threaded holes.

[0016] Through the above scheme, through the setting bolt, threaded hole effect, the close fit between the lower mold and the upper mold can be achieved, thereby improving the sealing performance and the stability of the overall structure.

[0017] Further, the upper surface of the lower mold is provided with a sealing groove, and the bottom surface of the upper mold is fixedly connected with a sealing strip.

[0018] Through the above scheme, through the setting sealing groove, sealing strip effect, a tight sealing interface can be formed to prevent leakage of materials inside the lower mold or intrusion of external impurities, thereby ensuring the purity and stability of the internal environment of the mold, improving the quality and consistency of the product, and reducing the rate of defective products and waste products.

[0019] Further, the upper surfaces of the four guide rods are fixedly connected with a top plate, the upper surface of the top plate is fixedly embedded with a hydraulic cylinder, and the output end of the hydraulic cylinder is fixedly connected to the upper surface of the upper mold.

[0020] Through the above scheme, through the setting hydraulic cylinder effect, the upper mold can be quickly and tightly closed with the lower mold, thereby shortening the production cycle and improving the production efficiency.

[0021] Compared with the prior art, the technical scheme of the present application has the following beneficial effects:

[0022] The large-diameter shield segment preparation mold is characterized in that the cooperation between the moving tamping plate, the vibration motor, the first lead screw and the second lead screw is set, the rotation of the first lead screw and the second lead screw can drive the moving tamping plate and the vibration motor to move horizontally, thereby making the concrete vibration process more efficient, reducing the tediousness and time consumption of manual vibration, thereby improving the production efficiency, and the controller can control and adjust the vibration frequency and start-stop of each vibration motor, thereby realizing local vibration of the material, ensuring that each part in the mold can be uniformly vibrated, thereby realizing uniform distribution of the material and improving the compactness, significantly improving the quality of the formed segment, and reducing the waste rate. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a three-dimensional structure diagram of the whole application;

[0024] Figure 2A sectional view of the whole application;

[0025] Figure 3 A perspective view of the moving tamping plate of the application;

[0026] Figure 4 A perspective view of the adjusting assembly of the application;

[0027] Figure 5 A perspective view of the supporting assembly of the application.

[0028] In the figure:

[0029] 1, bottom plate; 2, lower mold; 3, cavity; 4, moving tamping plate; 5, mounting groove; 6, vibration motor; 7, adjusting assembly; 701, first fixed plate; 702, second fixed plate; 703, first screw rod; 704, second screw rod; 705, extension shaft; 706, chain wheel; 707, transmission chain; 8, bubble level; 9, supporting assembly; 901, threaded sleeve; 902, third screw rod; 903, rotary disc; 904, mounting plate; 905, universal foot; 10, guide rod; 11, upper mold; 12, bolt; 13, threaded hole; 14, sealing groove; 15, sealing strip; 16, top plate; 17, hydraulic cylinder. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the application.

[0031] Please refer to Figure 1 , Figure 3 and Figure 4The preparation mold of the large-diameter shield segment in the embodiment comprises a bottom plate 1, a lower mold 2 fixedly connected to the upper surface of the bottom plate 1, a mold groove formed in the upper surface of the lower mold 2, a cavity 3 formed in the inside of the lower mold 2, a movable tamping plate 4 slidably connected to the inner wall of the cavity 3, the outer surface of the movable tamping plate 4 in contact with the inner top wall of the cavity 3, an installation groove 5 formed in the outer surface of the movable tamping plate 4, a plurality of vibration motors 6 fixedly connected to the inner wall of the installation groove 5, each vibration motor 6 connected to an external controller wirelessly, an adjusting assembly 7 provided on the outer surface of the lower mold 2, the adjusting assembly 7 comprising two first fixed plates 701 and two second fixed plates 702, a second lead screw 704 rotatably connected to the side face of each first fixed plate 701, a first lead screw 703 rotatably connected to the side face of each second fixed plate 702, the inner wall of the movable tamping plate 4 threadedly connected to the outer surface of the first lead screw 703 and the outer surface of the second lead screw 704, a servo motor fixedly embedded in the outer surface of one of the first fixed plates 701, the output end of the servo motor fixedly connected to one end of the second lead screw 704, the cooperation among the movable tamping plate 4, the vibration motor 6, the first lead screw 703 and the second lead screw 704 arranged in this way enables the rotation of the first lead screw 703 and the second lead screw 704 to drive the movable tamping plate 4 and the vibration motor 6 to move horizontally, thereby making the concrete vibration process more efficient and reducing the tediousness and time consumption of manual vibration, thus improving the production efficiency, and the controller can control and adjust the vibration frequency and on-off of each vibration motor 6, thereby realizing local vibration of the material and ensuring uniform vibration of each part in the mold, thus realizing uniform distribution of the material and improving the compactness, significantly improving the quality of the formed segment, reducing the scrap rate, both first fixed plates 701 fixedly connected to the outer surface of the lower mold 2, the outer surface of both second fixed plates 702 fixedly connected to the outer surface of the lower mold 2, one end of the first lead screw 703 and the second lead screw 704 fixedly connected with an extension shaft 705, the outer surface of both extension shafts 705 rotatably connected to the inner wall of the first fixed plate 701 and the second fixed plate 702 respectively, a sprocket 706 fixedly connected to the outer surface of both extension shafts 705, a transmission chain 707 sleeved on the outer surface of both sprockets 706, both sprockets 706 in transmission connection with the transmission chain 707, the rotation of the second lead screw 704 can synchronously drive the rotation of the first lead screw 703 through the arrangement of the extension shaft 705, the sprocket 706 and the transmission chain 707, thereby ensuring the synchronous rotation of the two and enabling the stable movement of the movable tamping plate 4.

[0032] Please refer to Figure 1 , Figure 2 and Figure 5The upper surface of the bottom plate 1 is fixedly connected with two symmetrical bubble levels 8, the outer surface of the bottom plate 1 is provided with four groups of rectangular array support assemblies 9, the support assembly 9 comprises a threaded sleeve 901 fixedly connected to the inner wall of the bottom plate 1, the inner wall of the threaded sleeve 901 is threadedly connected with a third lead screw 902, one end of the third lead screw 902 is fixedly connected with a rotating disc 903, through the setting of the bubble level 8 and the support assembly 9, the height of the corner of the bottom plate 1 can be adjusted, and the bottom plate 1 can be kept horizontal, the other end of the third lead screw 902 is rotatably connected with a mounting plate 904, the bottom surface of the mounting plate 904 is fixedly provided with a universal foot 905, through the setting of the universal foot 905, the bottom plate 1 can be kept stable under various ground conditions, and the shaking or tilting of the support caused by uneven or vibration of the ground is prevented.

[0033] Please refer to Figure 1 and Figure 2 The upper surface of the lower mold 2 is fixedly connected with four rectangular array guide rods 10, the outer surface of the four guide rods 10 is slidably connected with an upper mold 11, through the setting of the guide rod 10, the movement of the upper mold 11 can be limited and guided, and the upper mold 11 can stably vertically ascend and descend, the inner wall of the upper mold 11 is rotatably connected with four groups of rectangular array bolts 12, the upper surface of the lower mold 2 is provided with four groups of rectangular array threaded holes 13, the outer surface of the four groups of bolts 12 is matched with the inner wall of the four groups of threaded holes 13, through the setting of the bolt 12 and the threaded hole 13, the lower mold 2 and the upper mold 11 can be tightly fitted, so that the sealing performance is improved and the stability of the overall structure is improved, the upper surface of the lower mold 2 is provided with a sealing groove 14, the bottom surface of the upper mold 11 is fixedly connected with a sealing strip 15, through the setting of the sealing groove 14 and the sealing strip 15, a tight sealing interface can be formed, the leakage of the material in the lower mold 2 or the invasion of the external impurities is prevented, so that the purity and stability of the internal environment of the mold are ensured, the quality and consistency of the product are improved, the rate of defective products and waste products is reduced, the upper surface of the four guide rods 10 is fixedly connected with a top plate 16, the upper surface of the top plate 16 is fixedly embedded with a hydraulic cylinder 17, the output end of the hydraulic cylinder 17 is fixedly connected to the upper surface of the upper mold 11, through the setting of the hydraulic cylinder 17, the upper mold 11 can be quickly and tightly closed with the lower mold 2, so that the production cycle is shortened and the production efficiency is improved.

[0034] The large-diameter shield segment preparation mold in the embodiment is characterized in that the cooperation among the movable tamping plate 4, the vibration motor 6, the first lead screw 703 and the second lead screw 704 is achieved, the rotation of the first lead screw 703 and the second lead screw 704 can drive the movable tamping plate 4 and the vibration motor 6 to move horizontally, so that the concrete vibration process is more efficient, the cumbersome and time-consuming manual vibration is reduced, the production efficiency is improved, the vibration frequency of each vibration motor 6 and the start and stop of each vibration motor 6 can be controlled and adjusted through the controller, so that the local tamping of the material is realized, so that the quality of the formed segment is improved, and the waste rate is reduced.

[0035] It should be noted that each vibration motor 6 is connected with an external controller, and the vibration frequency of each vibration motor 6 can be adjusted by the controller, and a single or multiple vibration motors 6 can be controlled to work, so that the local tamping of the concrete material in the lower mold 2 can be realized, so that the bubbles and excess water in the concrete are removed, and the density and strength of the concrete are improved.

[0036] The working principle of the above embodiment is as follows: when the device is used, first, place the device at the designated position, then rotate the turntable 903 to drive the third lead screw 902 to rotate the threaded sleeve 901, and adjust the height according to the ground conditions through the bubble level 8 to keep the mold horizontal, then fill the concrete material in the mold groove of the lower mold 2, then start each vibration motor 6 through the external controller, then start the servo motor to drive the second lead screw 704 to rotate, then the rotation of the second lead screw 704 drives the extension shaft 705 and the sprocket 706 to rotate, and the first lead screw 703 can be driven to rotate under the transmission of the transmission chain 707, so that the first lead screw 703 and the second lead screw 704 rotate synchronously, so that the threaded movable tamping plate 4 is driven to move horizontally, then the vibration frequency of each vibration motor 6 can be adjusted by the controller, and a single or multiple vibration motors 6 can be controlled to work, so that the local tamping of the concrete material in the lower mold 2 can be realized, so that the bubbles and excess water in the concrete are removed, finally, start the hydraulic cylinder 17 to push the upper mold 11 to move, then ensure that the upper mold 11 moves stably and vertically under the limiting guidance of the guide rod 10, when the upper mold 11 is closed with the lower mold 2, the sealing strip 15 is inserted into the sealing groove 14 to prevent the leakage of the material in the lower mold 2 or the invasion of external impurities, so as to ensure the purity and stability of the internal environment of the mold, then rotate the bolt 12 to tightly connect the upper mold 11 and the lower mold 2 to ensure the stability of the connection.

[0037] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the enclosed claims. That is, although the present application is described in terms of particular embodiments and illustrative figures, it should be apparent that the application can be varied in a multitude of ways. Such alterations, many of which will be apparent to those skilled in the art, can be based on current technology, and as such, this application should not be limited to the particular embodiments described herein, but should be understood to include all embodiments that are within the scope of the appended claims and their equivalents.

[0038] While the embodiments of the application have been shown and described herein, it is to be understood that the application is not limited to these embodiments. Rather, many modifications, changes, substitutions, and alterations can be made thereto without departing from the spirit and scope of the present application as defined by the appended claims and their equivalents.

Claims

1. A jumbo diameter shield segment manufacturing mould comprising a base plate (1), characterised in that: The upper surface of the bottom plate (1) is fixedly connected with a lower mold (2), the upper surface of the lower mold (2) is provided with a mold groove, the inside of the lower mold (2) is provided with a cavity (3), the inner wall of the cavity (3) is slidably connected with a movable rammer plate (4), the outer surface of the movable rammer plate (4) is in contact with the inner top wall of the cavity (3), the outer surface of the movable rammer plate (4) is provided with a mounting groove (5), the inner wall of the mounting groove (5) is fixedly connected with a plurality of vibration motors (6), each vibration motor (6) is connected with an external controller through wireless connection, the outer surface of the lower mold (2) is provided with an adjusting assembly (7), the adjusting assembly (7) comprises two first fixed plates (701) and two second fixed plates (702), the side face of the two first fixed plates (701) close to each other is rotatably connected with a second lead screw (704), the side face of the two second fixed plates (702) close to each other is rotatably connected with a first lead screw (703), the inner wall of the movable rammer plate (4) is threadedly connected to the outer surface of the first lead screw (703) and the outer surface of the second lead screw (704), and the outer surface of one of the first fixed plates (701) is fixedly embedded with a servo motor, and one end of the servo motor is fixedly connected to the second lead screw (704).

2. The large-diameter shield segment manufacturing mold according to claim 1, characterized in that: Both of the first fixed plates (701) are fixedly connected to the outer surface of the lower mold (2), the outer surfaces of the two second fixed plates (702) are fixedly connected to the outer surface of the lower mold (2), one end of the first lead screw (703) and the second lead screw (704) is fixedly connected with an extension shaft (705), the outer surfaces of the two extension shafts (705) are rotatably connected to the inner walls of the first fixed plate (701) and the second fixed plate (702) respectively, the outer surfaces of the two extension shafts (705) are fixedly connected with a chain wheel (706), the outer surfaces of the two chain wheels (706) are sleeved with a transmission chain (707), and the two chain wheels (706) are in transmission connection with the transmission chain (707).

3. The large-diameter shield segment manufacturing mold of claim 1, wherein: The upper surface of the bottom plate (1) is fixedly connected with two symmetrical bubble levels (8), the outer surface of the bottom plate (1) is provided with four groups of rectangular array support assemblies (9), the support assembly (9) comprises a threaded sleeve (901) fixedly connected to the inner wall of the bottom plate (1), the inner wall of the threaded sleeve (901) is threadedly connected with a third lead screw (902), one end of the third lead screw (902) is fixedly connected with a rotating disc (903).

4. The large-diameter shield segment manufacturing mold according to claim 3, characterized in that: The other end of the third lead screw (902) is rotatably connected with a mounting plate (904), and the bottom surface of the mounting plate (904) is fixedly provided with a universal foot (905).

5. The large-diameter shield segment manufacturing mold of claim 1, wherein: The upper surface of the lower mold (2) is fixedly connected with four rectangular array guide rods (10), and the outer surfaces of the four guide rods (10) are slidably connected with an upper mold (11).

6. A large diameter shield segment manufacturing mould according to claim 5, characterised in that: The inner wall of the upper die (11) is rotationally connected with four groups of rectangular array bolts (12), the upper surface of the lower die (2) is provided with four groups of rectangular array threaded holes (13), the outer surfaces of the four groups of bolts (12) are matched with the inner walls of the four groups of threaded holes (13).

7. The large-diameter shield segment manufacturing mold of claim 5, wherein: The upper surface of the lower die (2) is provided with a sealing groove (14), and the bottom surface of the upper die (11) is fixedly connected with a sealing strip (15).

8. The large-diameter shield segment manufacturing mold of claim 5, wherein: The upper surfaces of the four guide rods (10) are fixedly connected with a top plate (16), the upper surface of the top plate (16) is fixedly embedded with a hydraulic cylinder (17), and the output end of the hydraulic cylinder (17) is fixedly connected to the upper surface of the upper die (11).

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