Crushing device for reinforced concrete
By designing a reinforced concrete crushing device including screening, transmission and vibration mechanism, the crusher wear and high temperature safety hazards caused by untimely cleaning of steel bars during reinforced concrete crushing is solved, and efficient and safe crushing effect is achieved.
Patent Information
- Application Number
- CN202421099942.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-20
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2034-05-20
AI Technical Summary
During the crushing process of reinforced concrete, the steel bars cannot be cleaned in time, resulting in wear and overload and scrapping of the crusher, and high temperature poses safety hazards to the steel bars.
A crushing device including a crushing box, a screening mechanism, a transmission assembly, a rotating mechanism and a vibration mechanism is designed. The screening mechanism is separated by a screen assembled by a partition plate and a rotating roller. The transmission assembly drives the rotating mechanism to pick out the steel bars through a threaded rod and a worm. The vibration mechanism further screens the concrete through a vibration motor.
It effectively avoids wear and overload of the crusher when the reinforced concrete is crushed, reduces the risk of high temperature to the steel bars, and improves crushing efficiency and safety.
Smart Images

Figure CN222446798U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of concrete crushing, in particular to a crushing device for reinforced concrete. Background Art
[0002] With the rapid economic development and urbanization in my country, the amount of construction waste generated and discharged has increased rapidly. In order to promote the establishment of a resource-saving society, on construction sites, reinforced concrete blocks are generally crushed using a crushing device for crushing them for later recycling. For example, a patent document with announcement number CN216459076U discloses an efficient crushing device for reinforced concrete blocks, including a base and a shell, one side outer wall of the shell is fixedly connected with a mounting plate, one end of the mounting plate is fixedly connected with a motor, one end of the motor output shaft is fixedly connected with a driving pulley, two first rotating shafts are plugged into the top between the two sides of the shell, one end of one of the first rotating shafts is keyed to one end of the motor output shaft, one end of the two first rotating shafts are respectively fixedly connected with a driving gear and a driven gear, the driving gear is meshed with the driven gear, the outer wall of the first rotating shaft is sleeved with a crushing roller, and the bottom between the two sides of the shell is plugged with a second rotating shaft. The utility model can fully crush reinforced concrete blocks, improve the crushing effect of reinforced concrete blocks, and has high crushing efficiency. It can also block the noise generated when reinforced concrete is crushed, reducing the harm of noise to people's bodies. However, during operation, since reinforced concrete contains steel bars, if the steel bars cannot be cleaned in time, it will cause certain wear on the crusher. In severe cases, the crusher will be overloaded and scrapped. In addition, during crushing, the high temperature generated by high pressure pressure will increase the temperature of the steel bars. Cleaning it by hand is easy to get burned and has certain safety hazards. Therefore, it is urgent to design a crushing device for reinforced concrete to solve the above problems. Utility Model Content
[0003] The purpose of the utility model is to provide a crushing device for reinforced concrete to solve the problem raised in the above-mentioned background technology that during operation, since reinforced concrete contains steel bars, if the steel bars cannot be cleaned in time, it will cause certain wear on the crusher, and in serious cases, the crusher will be overloaded and scrapped. In addition, during crushing, the high temperature generated by high pressure pressure will increase the temperature of the steel bars, and it is easy to get burned if they are cleaned by hand, which poses certain safety hazards.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a crushing device for reinforced concrete, comprising a crushing box, a crusher is installed on the central upper side of the crushing box, a screening mechanism is movably provided on the inner upper side of the crushing box, the screening mechanism comprises a screening box, a moving assembly is installed on the bottom end of the screening box, a transmission assembly is provided on the right side of the screening box, a rotating mechanism is provided at the front end of the screening mechanism, the right end of the rotating mechanism engages with the front end upper side of the transmission assembly, and vibration mechanisms are provided on the four inner sides of the screening box.
[0005] Preferably, both inner walls of the crushing box are provided with movable guide rails, and a threaded sleeve is fixedly provided on the right side of the top end of the crushing box.
[0006] Preferably, a screening slot is opened on the upper side of the screening box, a partition plate is fixedly arranged at the center of the screening slot, an upper and lower material slot is opened at the center of the partition plate, a plurality of groups of rotating rollers are fixedly arranged at equal distances on the inner walls at both ends of the upper and lower material slots, a plurality of groups of square notches are opened at the center of the rotating rollers, a blanking opening is opened at the center of the bottom end of the screening box, trapezoidal slopes are fixedly arranged on both sides of the top of the blanking opening, an extension opening is opened on the upper side of the front end of the partition plate, and the extension opening is parallel to the square notch.
[0007] Preferably, the moving component includes a servo motor, the rear side of the servo motor is connected to a drive box, the center of the drive box is connected to a main moving wheel group, the left side of the main moving wheel group is connected to the front end of a rotating belt group, the rear end of the rotating belt group is connected to a secondary moving wheel group, and a screening box is placed on the top of the main moving wheel group and the secondary moving wheel group.
[0008] Preferably, the transmission assembly comprises a limiting sleeve, and the limiting sleeve is respectively fixed at the front and rear ends of the right side of the screening box, a threaded rod is sleeved at the center of the limiting sleeve, and the front end of the threaded rod is connected to a worm.
[0009] Preferably, the rotating mechanism includes a fixed block, the rear end of the fixed block is fixed at the front end of the screening box, a fixed rotating rod is inserted in the center of the fixed block, a plurality of extension rods are fixed on the right side of the center of the fixed rotating rod, the bottom ends of the extension rods are clamped inside the extension opening and the square notch, a turbine is fixed on the right side of the fixed rotating rod, and the bottom end of the turbine engages with a worm.
[0010] Preferably, the vibration mechanism comprises a U-shaped block, guide rails are fixed on both sides of the interior of the U-shaped block, the inner walls of the guide rails clamp the vibration motor, the bottom end of the vibration motor is connected to the top end of the spring, and the bottom end of the spring is fixed to the inner bottom end of the U-shaped block.
[0011] Compared with the prior art, the beneficial effects of the utility model are:
[0012] The crushing device for reinforced concrete can separate the concrete by arranging a partition plate in the screening box in the screening mechanism, and then the screen assembled by the rotating roller can discharge the crushed materials through the trapezoidal slope at the bottom and the drop-out port at the lower side after the crushing by the crusher, so that the further screened concrete debris is convenient for recycling and utilization; the screening box can be driven by the moving component to move smoothly, so that the crusher can crush the concrete and improve the efficiency; the threaded rod limited in the transmission component is moved in the fixed threaded sleeve to rotate the threaded rod, and then the connected rotating mechanism can work conveniently, thereby saving energy consumption.
[0013] The crushing device for reinforced concrete is arranged in a rotating mechanism, wherein a worm gear meshes with a turbine to rotate, and the rotation of the turbine drives a fixed rotating rod to rotate, thereby facilitating the rise of an extension rod fixed on the side and then picking out the steel bars, which is convenient and quick to avoid potential safety hazards. The vibration motor restricted by the guide rail in the vibration mechanism can further vibrate, thereby facilitating and better screening of concrete. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a side view schematic diagram of the utility model;
[0015] Figure 2 This is a top view of the internal structure of the crushing box of the utility model;
[0016] Figure 3 This is a schematic diagram of the transmission assembly structure of the utility model;
[0017] Figure 4 This is a schematic front view of the screening box of the utility model;
[0018] Figure 5 This is a schematic diagram of the structure of the vibration mechanism of the utility model;
[0019] Figure 6 It is a schematic top view of the screening box structure of the utility model.
[0020] In the figure: 1, crushing box; 101, moving guide rail; 102, threaded sleeve; 2, crusher; 3, screening mechanism; 301, screening box; 301, screening slot; 3012, partition plate; 3013, upper and lower material slots; 3014, rotating roller; 30141, square notch; 3015, drop opening; 3016, trapezoidal slope; 3017, extension opening; 302, moving assembly; 3021, servo motor; 3022, drive Moving box; 3023, main moving wheel group; 3024, rotating belt group; 3025, auxiliary moving wheel group; 303, transmission assembly; 3031, worm; 3032, threaded rod; 3033, limiting sleeve; 4, rotating mechanism; 401, fixed block; 402, fixed rotating rod; 403, extension rod; 404, turbine; 5, vibration mechanism; 501, U-shaped block; 502, guide rail; 503, vibration motor; 504, spring. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0022] See also Figure 1-6 , an embodiment provided by the utility model:
[0023] A crushing device for reinforced concrete includes a crushing box 1, characterized in that a crusher 2 is installed on the central upper side of the crushing box 1, a screening mechanism 3 is movably installed on the inner upper side of the crushing box 1, the screening mechanism 3 includes a screening box 301, a moving component 302 is installed on the bottom end of the screening box 301, a transmission component 303 is provided on the right side of the screening box 301, a rotating mechanism 4 is provided at the front end of the screening mechanism 3, the right end of the rotating mechanism 4 engages with the front upper side of the transmission component 303, and a vibration mechanism 5 is provided on the four inner sides of the screening box 301.
[0024] Furthermore, both inner walls of the crushing box 1 are provided with movable guide rails 101, and a threaded sleeve 102 is fixedly arranged on the right side of the top of the crushing box 1, so as to facilitate movement and crushing of reinforced concrete.
[0025] As a further feature of the present invention, a screening trough 3011 is provided on the upper side of the screening box 301, a partition plate 3012 is fixedly provided at the center of the screening trough 3011, an upper and lower material trough 3013 is provided at the center of the partition plate 3012, a plurality of groups of rotating rollers 3014 are fixedly provided at the inner walls of both ends of the upper and lower material trough 3013 at equal distances, a plurality of groups of square notches 30141 are provided at the center of the rotating rollers 3014, a material drop opening 3015 is provided at the center of the bottom end of the screening box 301, trapezoidal slopes 3016 are fixedly provided at both sides of the top of the material drop opening 3015, an extension opening 3017 is provided on the upper front end of the partition plate 3012, and the extension opening 3017 is parallel to the square notch 30141 for easy recycling and utilization.
[0026] Furthermore, the moving component 302 includes a servo motor 3021, the rear side of the servo motor 3021 is connected to a drive box 3022, the center of the drive box 3022 is connected to a main moving wheel group 3023, the left side of the main moving wheel group 3023 is connected to a front end of a rotating belt group 3024, and the rear end of the rotating belt group 3024 is connected to a secondary moving wheel group 3025. Screening boxes 301 are placed on the top of the main moving wheel group 3023 and the secondary moving wheel group 3025 to facilitate the crusher to crush concrete and improve efficiency.
[0027] Furthermore, the transmission assembly 303 includes a limiting sleeve 3033, which is respectively fixed to the front and rear ends of the right side of the screening box 301, and a threaded rod 3032 is sleeved at the center of the limiting sleeve 3033. The front end of the threaded rod 3032 is connected to the worm 3031, which facilitates the operation of the connected rotating mechanism and saves energy consumption.
[0028] As a further feature of the present invention, the rotating mechanism 4 includes a fixed block 401, the rear end of the fixed block 401 is fixedly mounted on the front end of the screening box 301, a fixed rotating rod 402 is inserted into the center of the fixed block 401, a plurality of extension rods 403 are fixedly mounted on the right side of the center of the fixed rotating rod 402, the bottom ends of the extension rods 403 are clamped in the extension opening 3017 and the inside of the square notch 30141, a turbine 404 is fixedly mounted on the right side of the fixed rotating rod 402, the bottom end of the turbine 404 engages with the worm 3031, so that the extension rod fixed on the side can rise and pick out the steel bars, which is convenient and quick to avoid safety hazards.
[0029] Furthermore, the vibration mechanism 5 includes a U-shaped block 501, guide rails 502 are fixed on both sides of the interior of the U-shaped block 501, the inner wall of the guide rails 502 clamps the vibration motor 503, the bottom end of the vibration motor 503 is connected to the top of the spring 504, and the bottom end of the spring 504 is fixed to the bottom end of the interior of the U-shaped block 501, so as to facilitate the screening of concrete and better screen it.
[0030] Working principle: When in use, the user first places the reinforced concrete to be crushed on the screening box 301, then powers on and starts the servo motor 3021 to drive the drive box 3022 to work, and the drive box 3022 drives the main moving wheel group 3023 to rotate. While the main moving wheel 3023 is moving, the auxiliary moving wheel 3025 connected to the rotating belt group 3024 on the left can be synchronously moved in the moving guide rail 101. When the screening mechanism 3 moves, the crusher 2 can be started to crush the reinforced concrete below. The crushed reinforced concrete can fall through the gap of the rotating roller 3014 laid inside the upper and lower troughs 3013, and then slide through the trapezoidal slope 3016 on the bottom side and fall from the drop port 3015 at the bottom of the screening box 301 to the inside of the crushing box 1, and the vibration mechanism 5 can also be started. The vibration motor 503 fixed in the inner guide rail 502 of the U-shaped block vibrates the screening box 301 to further improve the efficiency. When the reinforced concrete is crushed, the screening motor 3021 can be operated in reverse to move the screening box 301 out. When the screening box 301 moves, the threaded rod 3032 on the right side rotates when the fixed threaded sleeve 102 moves. The rotation of the threaded rod 3032 drives the worm 3031 fixed at the front end to engage with the turbine 404 at the top to rotate. The rotation of the turbine 404 drives the fixed fixed rotating rod 402 to rotate in the fixed block 401. When the fixed rotating rod 402 rotates, it can drive the extension rod 403 fixed on the right side to rise in the extension opening 3017 and the square notch 30141, thereby picking out the steel bars. The above is the entire working principle of the utility model.
[0031] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
Claims
1. A crushing device for reinforced concrete, comprising a crushing box (1), characterized in that: A crusher (2) is installed on the central upper side of the crushing box (1); a screening mechanism (3) is movably installed on the internal upper side of the crushing box (1); the screening mechanism (3) comprises a screening box (301); a moving assembly (302) is installed on the bottom end of the screening box (301); a transmission assembly (303) is installed on the right side of the screening box (301); a rotating mechanism (4) is installed at the front end of the screening mechanism (3); the right end of the rotating mechanism (4) is engaged with the front upper side of the transmission assembly (303); and vibration mechanisms (5) are installed on four sides of the interior of the screening box (301).
2. A crushing device for reinforced concrete according to claim 1, characterized in that: Both inner walls of the crushing box (1) are provided with movable guide rails (101), and a threaded sleeve (102) is fixedly provided on the right side of the top end of the crushing box (1).
3. A crushing device for reinforced concrete according to claim 1, characterized in that: A screening trough (3011) is provided on the upper side of the screening box (301), a partition plate (3012) is fixedly arranged at the center of the screening trough (3011), an upper and lower material trough (3013) is provided at the center of the partition plate (3012), multiple groups of rotating rollers (3014) are fixedly arranged at equal distances on the inner walls of both ends of the upper and lower material trough (3013), multiple groups of square notches (30141) are provided at the center of the rotating rollers (3014), a material drop opening (3015) is provided at the center of the bottom end of the screening box (301), trapezoidal slopes (3016) are fixedly arranged on both sides of the top of the material drop opening (3015), and an extension opening (3017) is provided on the upper side of the front end of the partition plate (3012), and the extension opening (3017) is parallel to the square notch (30141).
4. A crushing device for reinforced concrete according to claim 1, characterized in that: The moving assembly (302) comprises a servo motor (3021), the rear side of the servo motor (3021) is connected to a driving box (3022), the center of the driving box (3022) is connected to a main moving wheel group (3023), the left side of the main moving wheel group (3023) is connected to the front end of a rotating belt group (3024), the rear end of the rotating belt group (3024) is connected to a secondary moving wheel group (3025), and a screening box (301) is placed on the top of the main moving wheel group (3023) and the secondary moving wheel group (3025).
5. A crushing device for reinforced concrete according to claim 1, characterized in that: The transmission assembly (303) comprises a limiting sleeve (3033), the limiting sleeve (3033) being fixedly mounted on the front and rear ends of the right side of the screening box (301), a threaded rod (3032) being sleeved at the center of the limiting sleeve (3033), and the front end of the threaded rod (3032) being connected to the worm (3031).
6. A crushing device for reinforced concrete according to claim 1, characterized in that: The rotating mechanism (4) comprises a fixed block (401), the rear end of the fixed block (401) is fixedly mounted on the front end of the screening box (301), a fixed rotating rod (402) is inserted in the center of the fixed block (401), a plurality of groups of extension rods (403) are fixedly mounted on the right side of the center of the fixed rotating rod (402), the bottom ends of the extension rods (403) are clamped inside the extension opening (3017) and the square notch (30141), a turbine (404) is fixedly mounted on the right side of the fixed rotating rod (402), and the bottom end of the turbine (404) is engaged with the worm (3031).
7. A crushing device for reinforced concrete according to claim 1, characterized in that: The vibration mechanism (5) comprises a U-shaped block (501), guide rails (502) are fixedly arranged on both sides of the interior of the U-shaped block (501), the inner walls of the guide rails (502) clamp a vibration motor (503), the bottom end of the vibration motor (503) is connected to the top end of a spring (504), and the bottom end of the spring (504) is fixedly arranged at the bottom end of the interior of the U-shaped block (501).