Shield segment concrete distribution automatic metering device
By introducing weighing sensors and vibration mechanisms into the concrete placing device for tunnel segments, the problems of inaccurate pouring and difficult cleaning were solved, achieving accurate measurement and efficient cleaning, and improving the quality of pouring.
Patent Information
- Application Number
- CN202520182017.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-06
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-02-06
AI Technical Summary
The existing shield tunnel segment concrete pouring equipment lacks a metering mechanism, resulting in inaccurate pouring and difficulty in cleaning up residual concrete.
By using weighing sensors and vibration mechanisms in conjunction with sliding baffles, accurate metering and automatic discharge of concrete are achieved. Furthermore, the use of grating screening and vibration of the inner hopper reduces adhesion and simplifies the cleaning process.
It enables precise concrete pouring, reduces adhesion to the inner wall, improves material placement efficiency and quality, and simplifies the cleaning process.
Smart Images

Figure CN223749894U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to an automatic metering device, concretely to a shield segment concrete material automatic metering device belongs to shield segment concrete production material technical field. BACKGROUND
[0002] Shield segment is the main assembly component of shield construction, is the innermost layer barrier of tunnel, bears the role of resisting earth pressure, underground water pressure and some special load. Shield segment is the permanent lining structure of shield method tunnel, and the quality of shield segment is directly related to the overall quality and safety of tunnel, influences the waterproof performance and durability of tunnel, and shield segment is usually poured into shape by concrete.
[0003] Chinese patent publication No. CN211054037U discloses a segment production process for concrete pouring material control device, including the shell, the upper end outer surface of the shell is provided with the inlet, the front end outer surface of the shell is provided with the filter shunt device and the handle, the handle is located at the front end of the filter shunt device, the lower end outer surface of the shell is provided with the protective cover, both sides outer surfaces of the protective cover are provided with the fixing device, the filter shunt device includes the bead, the frame, the first spring, the first grid, the second grid and the wheel, and the frame is provided with the bead on one side outer surface.
[0004] But the inventor of the above device thinks that there are certain defects, the above device lacks the metering mechanism, is not convenient for accurate pouring of the model, and the residual concrete after the feeding is attached to the inner wall, and it is not convenient to clean it, and if it is solidified, it may affect the feeding, therefore, the utility model provides a shield segment concrete material automatic metering device. UTILITY MODEL CONTENTS
[0005] The utility model aims at solving the above -mentioned problem and provides a shield segment concrete material automatic metering device to solve the problem that the model is not convenient for accurate pouring in the prior art, and the residual concrete is attached to the inner wall, and it is not convenient to clean it.
[0006] The utility model is realized by the following technical scheme: a shield segment concrete material automatic metering device, including installation sliding frame and conveying hopper, both ends of the installation sliding frame are fixedly connected with connecting sliding block, the top of the installation sliding frame is provided with the through slot for placing the conveying hopper, the top of the installation sliding frame is fixedly connected with the weighing sensor, the outer surface of the conveying hopper is fixedly connected with the first connecting piece, the first connecting piece is fixed on the inductive end of the weighing sensor, the bottom of the conveying hopper is equipped with the sliding baffle that shields the conveying hopper discharge port, the inside of the conveying hopper is placed with the inner hopper, and the installation sliding frame is equipped with the vibration mechanism that drives the inner hopper vibration.
[0007] Preferably, the number of the weighing sensors is four, and the four weighing sensors are distributed in a circumferential array around the feeding hopper to support the mounting slide in multiple directions.
[0008] Preferably, a grid plate is mounted in the inner hopper, and the grid plate is detachably connected with the inner wall of the inner hopper through screws, so that the concrete is further screened through the grid plate.
[0009] Preferably, a second connecting piece is fixedly connected with the top of the inner hopper, and the second connecting piece is arranged on the top of the feeding hopper, so that the inner hopper is conveniently taken out from the inner part of the feeding hopper through the second connecting piece.
[0010] Preferably, the vibration mechanism comprises a driving motor fixed on the mounting slide, and a cam is fixedly connected with the output shaft end of the driving motor, the cam is arranged directly below the second connecting piece, the cam is driven to rotate through the driving motor, and the inner hopper is vibrated through the impact of the protruding end of the cam on the second connecting piece.
[0011] Preferably, two fixed slides are fixedly connected with the discharge port of the feeding hopper, and two sliding baffles are slidably connected between the two fixed slides, so that the discharge port of the feeding hopper is opened to discharge the concrete by controlling the two sliding baffles to slide away from each other between the two fixed slides.
[0012] Preferably, a hydraulic rod is fixedly connected with the feeding hopper, and the telescopic end of the hydraulic rod is connected with the sliding baffles through a third connecting piece, so that the two sliding baffles are driven to slide away from each other through the starting of the hydraulic rod.
[0013] The shield segment concrete automatic metering device has the following beneficial effects:
[0014] The device weighs the concrete filled in the feeding hopper through the weighing sensor and the first connecting piece, fills the required amount of concrete, prevents the concrete from overflowing or being insufficient for secondary distribution, opens the discharge port of the feeding hopper by controlling the sliding of the sliding baffle after the feeding hopper is slid to the top of the model, pours the concrete into the model, controls the vibration of the inner hopper under the action of the vibration mechanism, reduces the adhesion of the concrete to the inner wall of the inner hopper, and improves the distribution efficiency.
[0015] The device takes out the inner hopper from the inner part of the feeding hopper through the second connecting piece, facilitates the cleaning of the inner wall of the inner hopper, further screens the concrete poured into the inner hopper under the action of the grid plate, and improves the pouring quality of the concrete. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 is a perspective view of the whole utility model;
[0017] Figure 2 is a perspective view of the whole utility model Figure 1 A enlarged schematic view;
[0018] Figure 3 is a perspective view of the whole utility model
[0019] Figure 4 is a perspective view of the whole utility model
[0020]
Main component symbol explanation
[0021] 1, installation sliding frame; 11, connecting sliding block; 2, conveying hopper; 21, first connecting piece; 22, fixed slide; 3, inner hopper; 31, second connecting piece; 4, grating plate; 5, driving motor; 51, cam; 6, weighing sensor; 7, sliding baffle; 8, hydraulic rod; 81, third connecting piece. Specific implementation
[0022] The utility model embodiment provides a kind of shield segment concrete automatic metering device.
[0023] Please refer to Figure 1 、 Figure 2 、 Figure 3 And Figure 4 , a kind of shield segment concrete automatic metering device, including installation sliding frame 1 and conveying hopper 2, the both ends of installation sliding frame 1 are fixedly connected with connecting sliding block 11, and the connecting sliding block 11 of installation sliding frame 1 both ends is slid on steel structure truss, to drive conveying hopper 2 whole along steel structure truss moves, the top of installation sliding frame 1 is equipped with the through slot for placing conveying hopper 2, the top of installation sliding frame 1 is fixedly connected with weighing sensor 6, the outer surface of conveying hopper 2 is fixedly connected with first connecting piece 21, and first connecting piece 21 is fixed in the inductive end of weighing sensor 6, and the concrete filled in conveying hopper 2 is weighed by weighing sensor 6, to prevent concrete from overflowing or being insufficient to carry out secondary distribution when pouring, and the number of weighing sensor 6 is four, and four weighing sensors 6 are distributed in the around of conveying hopper 2 in the form of circumferential array, and multiple weighing sensors 6 and first connecting piece 21 are used to support all around of conveying hopper 2.
[0024] Please refer to Figure 1 、 Figure 3 And Figure 4The bottom of the conveying hopper 2 is provided with a sliding baffle 7 shielding the discharge port of the conveying hopper 2, and the discharge port of the conveying hopper 2 is fixedly connected with two fixed slides 22, and the two fixed slides 22 are slidingly connected with two sliding baffles 7. The sliding baffles 7 are slid at the discharge port of the conveying hopper 2 under the action of the fixed slides 22 and shield the discharge port. The discharge port of the conveying hopper 2 is opened by controlling the two sliding baffles 7 to slide away from each other, so that the concrete in the conveying hopper 2 is discharged. The conveying hopper 2 is fixedly connected with a hydraulic rod 8, and the extension end of the hydraulic rod 8 is connected with the sliding baffle 7 through a third connecting piece 81. The two sliding baffles 7 are pulled away from each other by starting the hydraulic rod 8 under the connection of the third connecting piece 81, so that the discharge port of the conveying hopper 2 is opened, and the concrete is poured into the mold.
[0025] Please refer to Figure 1 , Figure 3 and Figure 4 , the inside of the conveying hopper 2 is placed with an inner hopper 3, and the conveying hopper 2 and the inner hopper 3 are both prismatic, and the inner wall of the conveying hopper 2 is fitted with the outer surface of the inner hopper 3. The inner hopper 3 is inserted into the inside of the conveying hopper 2 to replace the direct contact between the inner wall of the conveying hopper 2 and the concrete. The inner hopper 3 is provided with a grid plate 4, and the grid plate 4 is detachably connected with the inner wall of the inner hopper 3 through screws. The grid plate 4 is arranged to screen the concrete poured into the conveying hopper 2, and the large particles in the concrete are screened out to prevent affecting the quality of the segment. The grid plate 4 is connected with the inner hopper 3 through screws. The grid plate 4 is separated from the inner hopper 3 by removing the screws between the grid plate 4 and the inner hopper 3, so as to facilitate cleaning of the grid plate 4.
[0026] Please refer to Figure 1 , Figure 2 and Figure 4 , the top of the inner hopper 3 is fixedly connected with a second connecting piece 31, and the second connecting piece 31 is placed on the top of the conveying hopper 2. The inner hopper 3 is taken out from the inside of the conveying hopper 2 under the action of the second connecting piece 31 to clean the inner wall of the inner hopper 3. The mounting sliding frame 1 is provided with a vibrating mechanism for driving the inner hopper 3 to vibrate. The vibrating mechanism comprises a driving motor 5 fixed on the mounting sliding frame 1. The output shaft of the driving motor 5 is fixedly connected with a cam 51. The cam 51 is arranged below the second connecting piece 31. The driving motor 5 is started to drive the cam 51 to rotate. When the protruding end of the cam 51 rotates to the position directly below the second connecting piece 31, the second connecting piece 31 is impacted to make the inner hopper 3 vibrate, thereby reducing the adhesion of the concrete to the inner wall of the inner hopper 3, so as to facilitate the subsequent cleaning process.
[0027] Working principle: through connecting slider 11, install the whole installation sliding frame 1 on the steel structure truss, pour the completed concrete into the inside of conveying hopper 2, screen the concrete through grid plate 4, screen out the big particle in the concrete, weigh the concrete filled in conveying hopper 2 through weighing sensor 6, prevent the concrete from overflowing or being insufficient to carry out secondary distribution when pouring, then move conveying hopper 2 on the steel structure truss, move to the model directly above, push two sliding baffles 7 away from each other through the connection of third connecting piece 81 to start hydraulic rod 8, open the discharge port of conveying hopper 2 through the sliding of two sliding baffles 7, pour the concrete into the model, drive cam 51 to rotate through the start of driving motor 5, make the inside hopper 3 vibrate through the repeated impact of the convex end of cam 51 on the bottom of second connecting piece 31, so as to reduce the concrete sticking to the inner wall of inside hopper 3, replace the inner wall of conveying hopper 2 with inside hopper 3 to directly contact with the concrete, take out inside hopper 3 from the inside of conveying hopper 2 through second connecting piece 31, so as to facilitate the cleaning of the inner wall of inside hopper 3.
[0028] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. The skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, and the utility model can have various changes and improvements without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.
Claims
1. A shield segment concrete material automatic metering device, comprising a mounting sliding frame (1) and a conveying hopper (2), characterized in that: Both ends of the installation sliding frame (1) are fixedly connected with connecting sliding blocks (11), a through slot for placing a feeding hopper (2) is arranged on the top of the installation sliding frame (1), the top of the installation sliding frame (1) is fixedly connected with a weighing sensor (6), the outer surface of the feeding hopper (2) is fixedly connected with a first connecting plate (21), the first connecting plate (21) is fixed on the sensing end of the weighing sensor (6), the bottom of the feeding hopper (2) is provided with a sliding baffle (7) for shielding the discharge port of the feeding hopper (2), the inside of the feeding hopper (2) is placed with an inner hopper (3), and the installation sliding frame (1) is provided with a vibration mechanism for driving the inner hopper (3) to vibrate.
2. The automatic measuring device for the shield segment concrete material according to claim 1, characterized in that: The number of the weighing sensors (6) is four, and the four weighing sensors (6) are distributed in a circumferential array around the feeding hopper (2).
3. The automatic measuring device for the shield segment concrete material according to claim 1, characterized in that: The inside of the inner hopper (3) is provided with a grid plate (4), and the grid plate (4) is detachably connected with the inner wall of the inner hopper (3) through screws.
4. The automatic measuring device for the shield segment concrete material according to claim 1, characterized in that: The top of the inner hopper (3) is fixedly connected with a second connecting plate (31), and the second connecting plate (31) is placed on the top of the feeding hopper (2).
5. The automatic measuring device for the shield segment concrete material according to claim 4, characterized in that: The vibration mechanism comprises a driving motor (5) fixed on the installation sliding frame (1), the output shaft end of the driving motor (5) is fixedly connected with a cam (51), and the cam (51) is arranged directly below the second connecting plate (31).
6. The automatic measuring device for the shield segment concrete material according to claim 1, characterized in that: The discharge port of the feeding hopper (2) is fixedly connected with two fixed slides (22), and two sliding baffles (7) are slidably connected between the two fixed slides (22).
7. The automatic measuring device for the shield segment concrete material according to claim 1, characterized in that: The feeding hopper (2) is fixedly connected with a hydraulic rod (8), and the telescopic end of the hydraulic rod (8) is connected with the sliding baffle (7) through a third connecting plate (81).
Citation Information
Patent Citations
Concrete pouring and distributing control device used in duct piece production process
CN211054037U