Accurately-proportioned shield segment high-performance concrete preparation equipment
By introducing an auger, weighing sensor, and baffle plate into the concrete preparation equipment, the problems of inaccurate proportioning and uneven discharge were solved, achieving precise proportioning and stable discharge, thus ensuring concrete quality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-16
- Publication Date
- 2026-03-27
AI Technical Summary
Existing concrete preparation equipment is not precise enough in terms of proportion control, resulting in problems such as large weighing errors, uneven discharge, and blockages.
The design includes a counterweight base, storage bin, auger, weighing sensor, and baffle plate. The auger is driven by a motor to rotate and stir the agitator, and the baffle plate is controlled by the weighing sensor and electric cylinder to achieve precise proportioning and uniform discharge.
It achieves precise control of raw material ratio and uniform discharge, avoids auger blockage and intermittent discharge, and ensures the stability of concrete quality.
Smart Images
Figure CN224044150U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the shield construction technical field, concretely is a kind of shield segment high-performance concrete preparation equipment of accurate proportioning. BACKGROUND
[0002] Shield segment is the main assembly component of shield construction, is the innermost layer barrier of tunnel, bears the role of resisting soil pressure, groundwater pressure and some special load, the production of shield segment usually uses high-performance concrete, to ensure reliable load-bearing and waterproof performance, when producing, after sealing pouring concrete using finished segment mold can be formed, therefore, to ensure the production quality of shield segment, it is necessary to ensure that concrete quality is stable, and currently, concrete preparation equipment is not accurate enough in proportioning control, there is large weighing error, and proportioning adjustment lag, and when discharging, there is the condition of internal blockage, which can cause the conditions of auger idling or intermittent discharge, to solve the above problems, the inventor proposes a kind of shield segment high-performance concrete preparation equipment of accurate proportioning for solving the above problems. SUMMARY
[0003] To solve the problem that the concrete preparation equipment is not accurate enough in proportioning control, and the problem of uneven discharge uniformity, the utility model aims at providing a kind of shield segment high-performance concrete preparation equipment of accurate proportioning.
[0004] To solve the above technical problems, the utility model adopts the following technical scheme: a kind of shield segment high-performance concrete preparation equipment of accurate proportioning, including counterweight seat, the top surface of the counterweight seat is fixedly connected with storage bin, the storage bin includes conical cavity and discharge cavity, the cavity mouth of the conical cavity is rotatably connected with rotating shaft, the side wall of the rotating shaft is fixedly connected with agitating paddle, the inside of the discharge cavity is provided with auger, the lower part of the side wall of the storage bin is fixedly connected with discharge pipe, the output end of the auger corresponds with the discharge pipe, the pipe opening of the discharge pipe is provided with baffle plate that can be lifted, the output end of the discharge pipe is provided with material handling car below, the top surface of the material handling car is inlaidly provided with weighing sensor, the top surface of the material handling car is placed with material handling box.
[0005] Preferably, the conical cavity is located above the discharge cavity, the conical cavity is hollow, the outside of the storage bin is provided with a motor, the output shaft end of the motor is fixedly connected with the shaft end of the auger, the side wall of the motor is provided with a base, the base is fixedly connected with the outside side wall of the storage bin, when actually used, the number of the storage bins can be increased or decreased according to the demand, and when the several storage bins are placed, the several storage bins can be placed side by side, so that the materials in the interiors of the several storage bins can be taken centrally, the storage bin can place Portland cement, fly ash, river sand and other raw materials for producing high-performance concrete shield segments, when placed, each storage bin is used to place one kind of raw material, the motor is installed through the base, the motor is started, the auger rotates under the action of the output shaft of the motor, so that the raw materials in the discharge cavity can be output from the discharge pipe, so that the raw materials fall into the material conveying box on the material conveying vehicle, the outside of the storage bin is provided with an electric cylinder, the output shaft end of the electric cylinder is fixedly connected with the top middle part of the baffle plate, the side wall of the electric cylinder is provided with a fixing seat, the side wall of the fixing seat is fixedly connected with the outside side wall of the storage bin, the side wall of the guide plate is provided with a guide groove, when the baffle plate is lifted, the slide rail and the guide groove are matched with each other, so that the baffle plate moves more stably.
[0006] Preferably, the output shaft of the motor is sleeved with a first sprocket, the shaft end of the rotating shaft is fixedly connected with a second sprocket, the second sprocket is located outside the storage bin, the second sprocket corresponds to the first sprocket, the side wall of the second sprocket is provided with a chain, and the end of the chain away from the second sprocket is matched with the first sprocket, when the motor starts, the first sprocket rotates under the action of the output shaft of the motor, the second sprocket rotates through the chain, and then the rotating shaft drives the stirring paddle to rotate, so as to avoid the blockage of materials in the storage bin, and to avoid the conditions of the auger idling or intermittent discharging during discharging, the two side surfaces of the baffle plate are fixedly connected with sliding rails, the side wall of the sliding rail is slidably connected with a guide plate, the side wall of the guide plate is fixedly connected with a fixed plate, and the side of the fixed plate away from the guide plate is fixedly connected with the outer side wall of the storage bin, when the auger rotates, the raw materials in the discharging cavity can be output from the discharge pipe to fall into the material box on the material car, the raw materials in the material box can be weighed through the weighing sensor, the weighing sensor can be selected from the PW15C3 model, the weighing sensor is a mature product and can be directly selected, the weighing sensor is used for weighing the raw materials output from the discharge pipe to realize the precision control of the proportioning of raw materials, when the weight of the raw materials in the material box approaches the set value, the electric cylinder is started, the baffle plate falls under the action of the output shaft of the electric cylinder to block the discharge pipe, so as to reduce the output of the discharge port of the discharge pipe, to control the falling amount of the raw materials, so that the weight of the raw materials falling into the material box is the same as the set value, thereby completing the precise proportioning, and it should be noted that the baffle plate can be used for a short time only when the weight of the raw materials in the material box approaches the set value, and the baffle plate needs to be ensured to be raised to the position dislocated with the discharge pipe in the normal time, so as to avoid the reduction of the discharge port and the increase of the material discharge resistance, thereby avoiding the accelerated wear of the auger.
[0007] Compared with the prior art, the utility model has the advantages that:
[0008] 1、The utility model discloses a kind of precise proportioning of raw materials, when taking material, the raw materials in the discharging cavity can be output from the discharge pipe to fall into the material box on the material car, when the weight of the raw materials in the material box approaches the set value, the baffle plate can be moved downwards to block the discharge pipe, so as to reduce the output of the discharge port of the discharge pipe, to control the falling amount of the raw materials, so that the weight of the raw materials falling into the material box is the same as the set value, thereby completing the precise proportioning.
[0009] 2、When the auger rotates, the rotating shaft drives the stirring paddle to rotate, to avoid the blockage of materials in the storage bin, thereby avoiding the conditions of the auger idling or intermittent discharging during discharging, to ensure the uniformity of discharging. Attached Figure Description
[0010] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0011] Figure 1 This is a schematic diagram of the overall structure of this utility model.
[0012] Figure 2 This is a schematic diagram of the internal structure of the storage silo of this utility model.
[0013] Figure 3 This is an enlarged view of section A of this utility model.
[0014] Figure 4 This is a schematic diagram of the material transport vehicle structure of this utility model.
[0015] In the diagram: 1. Counterweight seat; 2. Storage bin; 3. Conical cavity; 4. Discharge chamber; 5. Discharge pipe; 6. Motor; 7. Base; 8. Screw; 9. First sprocket; 10. Chain; 11. Second sprocket; 12. Rotating shaft; 13. Agitator; 14. Electric cylinder; 15. Fixed seat; 16. Baffle plate; 17. Slide rail; 18. Guide plate; 19. Fixed plate; 20. Material transport vehicle; 21. Weighing sensor; 22. Material transport box. Detailed Implementation
[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0017] Example: Figures 1-4The utility model provides a kind of high-performance concrete preparation equipment of shield segment of accurate proportioning, including counterweight seat 1, the top surface of counterweight seat 1 is fixedly connected with storage bin 2, storage bin 2 includes conical cavity 3 and discharge cavity 4, the cavity mouth of conical cavity 3 is inserted rotationally connected with rotating shaft 12, the side wall of rotating shaft 12 is fixedly connected with agitating paddle 13, the inside of discharge cavity 4 is provided with auger 8, the lower part of the side wall of storage bin 2 is inserted fixedly connected with discharge pipe 5, the output end of discharge pipe 5 corresponds with auger 8, the pipe mouth of discharge pipe 5 is liftable and is provided with baffle 16, the output end of discharge pipe 5 is directly below and is provided with material handling vehicle 20, the top surface of material handling vehicle 20 is inlaid and is provided with load cell 21, the top surface of material handling vehicle 20 is placed and is provided with material handling box 22.
[0018] Conical cavity 3 is located above discharge cavity 4, conical cavity 3 is hollow, the outside of storage bin 2 is provided with motor 6, the output shaft end of motor 6 is fixedly connected with the shaft end of auger 8, the side wall of motor 6 is provided with base 7, and the outside wall of storage bin 2 is fixedly connected with base 7.
[0019] By adopting the above technical scheme, the number of storage bins 2 can be increased or decreased as needed during actual use, and when placing several storage bins 2, the several storage bins 2 can be placed side by side to facilitate centralized access to the materials inside the several storage bins 2, the storage bins 2 can be placed with silicate cement, fly ash, river sand and other raw materials for producing high-performance concrete shield segments, each storage bin 2 is used to place one kind of raw material, the motor 6 is installed through the base 7, the motor 6 is started, and the auger 8 is rotated under the action of the output shaft of the motor 6, so that the raw materials in the discharge cavity 4 can be output from the discharge pipe 5 to fall into the material handling box 22 on the material handling vehicle 20.
[0020] The output shaft of motor 6 is fixedly provided with first sprocket 9, the shaft end of rotating shaft 12 is fixedly connected with second sprocket 11, second sprocket 11 is located outside storage bin 2, and second sprocket 11 corresponds with first sprocket 9, the side wall of second sprocket 11 is provided with chain 10, and one end of chain 10 away from second sprocket 11 cooperates with first sprocket 9.
[0021] By adopting the above technical scheme, when the motor 6 is started, the first sprocket 9 is rotated under the action of the output shaft of the motor 6, the second sprocket 11 can be rotated through the chain 10, and the rotating shaft 12 can drive the agitating paddle 13 to rotate, so as to avoid the material in the storage bin 2 from being blocked, and the auger 8 from idling or the material from being discharged intermittently.
[0022] The two side faces of the material blocking plate 16 are fixedly connected with sliding rails 17, the side walls of the sliding rails 17 are slidingly connected with guide plates 18, the side walls of the guide plates 18 are fixedly connected with fixed plates 19, and the side, away from the guide plates 18, of the fixed plates 19 is fixedly connected with the outer side wall of the material storage bin 2.
[0023] By adopting the above technical scheme, when the auger 8 rotates, the raw materials in the discharging cavity 4 can be output from the discharging pipe 5, so that the raw materials fall into the material conveying box 22 on the material conveying vehicle 20, the raw materials weighed in the material conveying box 22 can be weighed by the weighing sensor 21, the weighing sensor 21 can be selected in the PW15C3 model, the weighing sensor 21 is a mature product and can be directly selected, and the weighing sensor 21 weighs the raw materials output from the discharging pipe 5, so as to realize precision control of the proportioning of the raw materials, when the weight of the raw materials in the material conveying box 22 approaches the set value, the electric cylinder 14 is started, and the material blocking plate 16 falls under the action of the output shaft of the electric cylinder 14, so as to block the discharging pipe 5, reduce the output amount of the discharging port of the discharging pipe 5, control the falling amount of the raw materials, and make the weight of the raw materials falling into the material conveying box 22 the same as the set value, so as to complete accurate proportioning, and it should be noted that the material blocking plate 16 can be used for a short time only when the weight of the raw materials in the material conveying box 22 approaches the set value, and in normal times, the material blocking plate 16 needs to be lifted to a position dislocated from the discharging pipe 5, so as to avoid long-term reduction of the discharging port and increase of the material discharging resistance, and thus the abrasion of the auger 8 is avoided.
[0024] The outer side of the material storage bin 2 is provided with the electric cylinder 14, and the output shaft end of the electric cylinder 14 is fixedly connected with the middle part of the top surface of the material blocking plate 16.
[0025] By adopting the above technical scheme, the side wall of the electric cylinder 14 is provided with the fixed seat 15, the side wall of the fixed seat 15 is fixedly connected with the outer side wall of the material storage bin 2, and the side wall of the guide plate 18 is provided with a guide groove, so that the material blocking plate 16 moves more stably through the cooperation of the sliding rail 17 and the guide groove when the material blocking plate 16 is lifted or lowered.
[0026] Working principle: when the material storage bin 2 is actually used, the number of the material storage bins 2 can be increased or decreased according to requirements, the material storage bin 2 can place silicate cement, fly ash, river sand and other raw materials for producing high-performance concrete shield segments, and only one kind of raw material can be placed in each material storage bin 2 when the raw materials are placed;
[0027] When the material needs to be taken out, the motor 6 is started, the auger 8 rotates under the action of the output shaft of the motor 6, so that the raw materials in the discharging cavity 4 can be output from the discharging pipe 5, so that the raw materials fall into the material box 22 on the material car 20, and the raw materials weighed in the material box 22 can be weighed through the weighing sensor 21, when the weight of the raw materials in the material box 22 approaches the set value, the electric cylinder 14 is started, and the blocking plate 16 falls under the action of the output shaft of the electric cylinder 14, so as to block the discharging pipe 5, so as to reduce the output amount of the discharging port of the discharging pipe 5, so as to control the falling amount of the raw materials, so that the weight of the raw materials falling into the material box 22 is the same as the set value, so as to complete the precise proportioning;
[0028] At the same time, the first sprocket 9 rotates under the action of the output shaft of the motor 6, the second sprocket 11 can be rotated through the chain 10, and then the rotating shaft 12 can drive the stirring paddle 13 to rotate, so as to avoid the blockage of the materials in the storage bin 2, and further avoid the empty running of the auger 8 or the intermittent discharging of the materials.
[0029] The standard parts used in the present application can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings, and the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, and the mechanical parts and equipment adopt the conventional types in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.
[0030] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Therefore, if these modifications and variations of the present application belong to the scope of the claims of the present application and the equivalent technology, the present application also intends to include these modifications and variations.
Claims
1. A precision proportioning shield segment high performance concrete preparation equipment, comprising a counterweight seat (1), characterized in that: The top surface of the counterweight seat (1) is fixedly connected with a storage bin (2), the storage bin (2) comprises a conical cavity (3) and a discharge cavity (4), the cavity mouth of the conical cavity (3) is rotatably connected with a rotating shaft (12), the side wall of the rotating shaft (12) is fixedly connected with an agitating paddle (13), the inside of the discharge cavity (4) is provided with an auger (8), the lower part of the side wall of the storage bin (2) is fixedly connected with a discharge pipe (5), the discharge pipe (5) corresponds to the output end of the auger (8), the pipe mouth of the discharge pipe (5) is provided with a baffle plate (16) which can be lifted and lowered, the output end of the discharge pipe (5) is provided with a material carrying vehicle (20) below, the top surface of the material carrying vehicle (20) is embeddedly provided with a weighing sensor (21), and the top surface of the material carrying vehicle (20) is placed with a material carrying box (22).
2. A precisely proportioned shield segment high performance concrete preparation apparatus as claimed in claim 1, wherein, The conical cavity (3) is located above the discharge cavity (4), and the conical cavity (3) is hollow.
3. A precisely proportioned shield segment high performance concrete preparation apparatus as claimed in claim 1, wherein, The outside of the storage bin (2) is provided with a motor (6), and the output shaft end of the motor (6) is fixedly connected with the shaft end of the auger (8).
4. The precisely proportioned shield segment high performance concrete preparation apparatus of claim 3, wherein, The side wall of the motor (6) is provided with a base (7), and the base (7) is fixedly connected with the outer side wall of the storage bin (2).
5. A precisely proportioned shield segment high performance concrete preparation apparatus as claimed in claim 3, wherein, The output shaft of the motor (6) is fixedly sleeved with a first sprocket (9), the shaft end of the rotating shaft (12) is fixedly connected with a second sprocket (11), the second sprocket (11) is located outside the storage bin (2), and the second sprocket (11) corresponds to the first sprocket (9).
6. A precisely proportioned shield segment high performance concrete preparation apparatus as claimed in claim 5, wherein, The side wall of the second sprocket (11) is provided with a chain (10), and one end of the chain (10) away from the second sprocket (11) is matched with the first sprocket (9).
7. A precisely proportioned shield segment high performance concrete preparation apparatus as claimed in claim 1, wherein, The two side surfaces of the baffle plate (16) are fixedly connected with sliding rails (17), the side wall of the sliding rail (17) is slidingly connected with a guide plate (18), the side wall of the guide plate (18) is fixedly connected with a fixed plate (19), and one side of the fixed plate (19) away from the guide plate (18) is fixedly connected with the outer side wall of the storage bin (2).
8. A precisely proportioned shield segment high performance concrete preparation apparatus as claimed in claim 1, wherein, The outside of the storage bin (2) is provided with an electric cylinder (14), and the output shaft end of the electric cylinder (14) is fixedly connected with the top surface of the baffle plate (16).