Double-horizontal-shaft concrete mixer
By designing protective components and buffer parts on the concrete mixer to prevent tools from contacting the mixing shaft, the safety issues of on-site operation are solved, and safe and efficient concrete mixing is achieved.
Patent Information
- Application Number
- CN202520271282.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-20
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-02-20
AI Technical Summary
When operating existing concrete mixers on construction sites, workers need to manually pour materials, and tools or limbs can easily enter the mixing chamber, causing safety hazards. In addition, the mixing shaft is easily damaged when it comes into contact with tools.
The protective components include a fixed frame, an inner frame, a protective net, and a cushioning component. The protective net prevents tools from contacting the stirring shaft, the cushioning component reduces collision damage, and the stirring shaft is rotated by the stirring motor for stirring.
It improves on-site operational safety, reduces tool and personnel injuries, prevents tools from entering the mixing chamber, and enhances the safety of the mixer.
Smart Images
Figure CN223849600U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of concrete mixer, more particularly to a double horizontal shaft concrete mixer. BACKGROUND
[0002] The concrete mixer is the machinery that mixes and mixes cement, sand aggregate and water into concrete mixture. Mainly by mixing drum, feeding and unloading mechanism, water supply system, prime mover, transmission mechanism, frame and supporting device etc. According to the working nature, it is intermittent (batch) and continuous type;According to the stirring principle, it is self-falling type and forced type;According to the installation mode, it is fixed type and mobile type;According to the discharging mode, it is tilting type and non-tilting type;According to the mixing drum structure, it is pear type, drum type, double cone, disc vertical shaft type and circular tank horizontal shaft type etc.
[0003] The concrete double horizontal shaft forced mixer is mainly used for mixing various powdery materials. It can produce various powdery mixed materials. Its aggregate can be wet fly ash, calcium carbide mud, phosphorus gypsum, sandstone, slag etc.
[0004] The existing concrete mixer is usually a barrel-shaped or box-shaped mixing bin in the face of the mixing operation of the construction site, and two stirring rods are installed, and the material guiding is usually manually operated by the staff, that is, the concrete mixture on the bottom or the bagged cement is poured into the barrel or spade, and the staff often pours into the operation when the concrete mixer starts, so that the barrel or spade enters the mixing bin and contacts the stirring shaft, which is not conducive to operation. UTILITY MODEL CONTENTS
[0005] 1. Technical problem to be solved
[0006] In view of the problems in the prior art, the utility model aims at providing a double horizontal shaft concrete mixer, which is stirred by the stirring motor and the stirring shaft, and the protective net avoids the contact between the barrel or spade and the stirring shaft when the material is added, the rod of the spade contacts the buffer pad, reduces the damage to the staff caused by collision, avoids the entry of tools or limbs of the staff into the mixing bin during operation, improves the safety during production, and is beneficial to the concrete mixing operation at the construction site.
[0007] 2. Technical scheme
[0008] To solve the above problems, the utility model adopts the following technical scheme:
[0009] The utility model provides a double horizontal shaft concrete mixer, it includes: the mount, the top of mount fixedly connected with the mixing bin, one side inner wall of mixing bin rotatably connected with two mixing shafts, and the protection subassembly, the protection subassembly includes: the fixed frame, the inner attached frame, the protective net and two installation parts, the fixed frame is fixedly connected in the outer wall of mixing bin, the inner attached frame is arranged between the inner wall of mixing bin, the protective net is fixedly connected between the inner wall of inner attached frame, and two installation parts are arranged on the top surface of fixed frame to install and fix the inner attached frame.
[0010] As a preferred scheme of the utility model, two installation parts each include two extension frames, a connecting frame and two buffer components, two extension frames are fixedly connected to one side inner wall of the inner attached frame, the connecting frame is fixedly connected between the top ends of the two extension frames, and two buffer components are arranged on the top surface of the fixed frame to control the movement of the connecting frame.
[0011] As a preferred scheme of the utility model, four buffer components each include a fixing seat, a connecting rod, a sliding frame, a buffer spring and a limiting rod, the fixing seat is fixedly connected to the top surface of the fixed frame, the connecting rod is rotatably connected to the bottom surface of the corresponding connecting frame, the sliding frame is rotatably connected to one end of the connecting rod, the limiting rod is fixedly connected to one side outer wall of the sliding frame and movably penetrates the fixing seat, the buffer spring is sleeved on the outer wall of the limiting rod, one end of the buffer spring is fixedly connected to one side outer wall of the fixing seat, and one end of the buffer spring is fixedly connected to one side outer wall of the sliding frame.
[0012] As a preferred scheme of the utility model, the top surface of each of the two connecting frames is fixedly connected with a buffer pad.
[0013] As a preferred scheme of the utility model, one side outer wall of the mixing bin is provided with two stirring motors, and one end of each of the two stirring motors is fixedly connected to a corresponding mixing shaft.
[0014] As a preferred scheme of the utility model, the outer wall of each of the two mixing shafts is fixedly connected with a plurality of stirring blades.
[0015] 3. Beneficial effects
[0016] Compared with the prior art, the utility model provides a double horizontal shaft concrete mixer, which has the following beneficial effects:
[0017] The double horizontal shaft concrete mixer drives the mixing shaft to stir the concrete through the stirring motor, the protective net avoids the contact between the bucket or spade and the mixing shaft when adding materials, the rod part of the spade will contact the buffer pad to reduce the damage of collision to the workers, the tools or the limbs of the workers are prevented from entering the mixing bin during operation, the safety during production is improved, and the concrete stirring operation on the construction site is facilitated. BRIEF DESCRIPTION OF DRAWINGS
[0018] Fig. 1 is a perspective view of the present application;
[0019] Fig. 2 is a bottom perspective view of the present application;
[0020] Fig. 3 is a partial perspective view of the present application.
[0021] REFERENCE NUMERALS IN DRAWINGS:
[0022] 1, mounting seat; 2, stirring bin; 3, stirring motor; 4, stirring shaft; 5, stirring blade; 6, fixed frame; 7, fixed seat; 8, inner attached frame; 9, protective net; 10, extension frame; 11, connecting frame; 12, buffer pad; 13, connecting rod; 14, sliding frame; 15, buffer spring. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0024] EMBODIMENT:
[0025] Please refer to Figs. 1-3 A double-horizontal-shaft concrete mixer, comprising: a mounting seat 1, a stirring bin 2 is fixedly connected to the top end of the mounting seat 1, two stirring shafts 4 are rotatably connected to the inner wall of one side of the stirring bin 2; and a protective assembly, the protective assembly comprises: a fixed frame 6, an inner attached frame 8, a protective net 9 and two mounting components, the fixed frame 6 is fixedly connected to the outer wall of the stirring bin 2, the inner attached frame 8 is arranged between the inner walls of the stirring bin 2, the protective net 9 is fixedly connected between the inner walls of the inner attached frame 8, and the two mounting components are arranged on the top surface of the fixed frame 6 and used for mounting and fixing the inner attached frame 8.
[0026] In the specific embodiment of the present application, the stirring bin 2 is fixed through the mounting seat 1, the stirring bin 2 is driven to rotate by the stirring motor 3 to drive the stirring shaft 4 to rotate, and the concrete is stirred. When the material is added, the worker pours the mixture into the stirring bin 2 through a bucket or a shovel. At this time, the bucket or the shovel will contact the protective net 9, and the rod part of the shovel will contact the buffer pad 12, thereby reducing the damage to the worker caused by the collision. The protective net 9 avoids the contact between the bucket or the shovel and the stirring shaft 4, avoids the entry of the tool or the limbs of the worker into the stirring bin 2 during operation, improves the safety during production, and is beneficial to the concrete stirring operation on the construction site.
[0027] Specifically, each of the two mounting components comprises two extension frames 10, a connecting frame 11 and two buffer components, the two extension frames 10 are fixedly connected to the inner wall of one side of the inner attachment frame 8, the connecting frame 11 is fixedly connected between the top ends of the two extension frames 10, and the two buffer components are arranged on the top surface of the fixed frame 6 and used to control the movement of the connecting frame 11.
[0028] In this embodiment, the connecting frame 11 is arranged through the extension frame 10, the extension frame 10 enables the inner attachment frame 8 to move, and the buffer component is used to cooperate with the tool to reduce the rebound when operating.
[0029] Specifically, each of the four buffer components comprises a fixed seat 7, a connecting rod 13, a sliding frame 14, a buffer spring 15 and a limiting rod, the fixed seat 7 is fixedly connected to the top surface of the fixed frame 6, the connecting rod 13 is rotatably connected to the bottom surface of the corresponding connecting frame 11, the sliding frame 14 is rotatably connected to one end of the connecting rod 13, the limiting rod is fixedly connected to the outer wall of one side of the sliding frame 14 and movably penetrates the fixed seat 7, the buffer spring 15 is sleeved on the outer wall of the limiting rod, one end of the buffer spring 15 is fixedly connected to the outer wall of one side of the fixed seat 7, and the other end of the buffer spring 15 is fixedly connected to the outer wall of one side of the sliding frame 14.
[0030] In this embodiment, the connecting rod 13 is pushed by the buffer spring 15 to maintain the height position of the connecting frame 11, and the sliding frame 14 enables the connecting frame 11 to move up and down when the connecting frame 11 is collided.
[0031] Specifically, the top surface of each of the two connecting frames 11 is fixedly connected with a buffer pad 12.
[0032] In this embodiment, the buffer pad 12 is in contact with the rod part of the tool to reduce the damage to the operator caused by collision during the blanking operation.
[0033] Specifically, two stirring motors 3 are mounted on the outer wall of one side of the stirring bin 2, and the output ends of the two stirring motors 3 are fixedly connected with one end of the corresponding stirring shaft 4.
[0034] In this embodiment, the stirring motor 3 drives the stirring shaft 4 to rotate, and the stirring shaft 4 stirs the concrete.
[0035] Specifically, the outer wall of each of the two stirring shafts 4 is fixedly connected with a plurality of stirring blades 5.
[0036] In this embodiment, the stirring blades 5 improve the stirring effect of the stirring shaft 4.
[0037] Working principle: through the mounting seat 1 fixed stirring bin 2, stirring bin 2 is driven by stirring motor 3 and rotates stirring shaft 4, and the concrete is stirred, when adding material, the worker pours the mixture into stirring bin 2 through the bucket or spade, at this time, the bucket or spade will contact with the protective net 9, and the rod of the spade will contact with the buffer pad 12, the damage to the worker is reduced, the protective net 9 avoids the contact between the bucket or spade and stirring shaft 4, avoids the tool or the limbs of the worker from entering stirring bin 2, improves the safety during production, and is beneficial to the concrete mixing operation on the construction site.
[0038] The control mode of the utility model is controlled by manually starting and closing the switch, and the wiring diagram of the power element and the provision of the power supply are common knowledge in the art, and the utility model is mainly used for protecting the mechanical device, so the control mode and the wiring arrangement of the utility model will not be explained in detail.
[0039] The above is only the preferred specific implementation mode of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the improvement concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.
Claims
1. A twin-shaft concrete mixer, characterized in that, Include: The mounting seat (1) is fixedly connected with the stirring bin (2) at the top end, and two stirring shafts (4) are rotatably connected to the inner wall of one side of the stirring bin (2); And The protection assembly comprises a fixed frame (6), an inner frame (8), a protective net (9) and two mounting parts, the fixed frame (6) is fixedly connected to the outer wall of the stirring bin (2), the inner frame (8) is arranged between the inner walls of the stirring bin (2), the protective net (9) is fixedly connected between the inner walls of the inner frame (8), and the two mounting parts are arranged on the top surface of the fixed frame (6) to mount and fix the inner frame (8).
2. A twin-shaft concrete mixer according to claim 1, characterized in that: Two said mounting parts each include two extension frames (10), a connecting frame (11) and two buffer components, two said extension frames (10) are fixedly connected to one side of the inner wall of the inner frame (8), the connecting frame (11) is fixedly connected between the top ends of the two extension frames (10), and two said buffer components are arranged on the top surface of the fixed frame (6) to control the movement of the connecting frame (11).
3. A twin-shaft concrete mixer according to claim 2, characterized in that: Four said buffer components each include a fixed seat (7), a connecting rod (13), a sliding frame (14), a buffer spring (15) and a limiting rod, the fixed seat (7) is fixedly connected to the top surface of the fixed frame (6), the connecting rod (13) is rotatably connected to the bottom surface of the corresponding connecting frame (11), the sliding frame (14) is rotatably connected to one end of the connecting rod (13), the limiting rod is fixedly connected to one side of the outer wall of the sliding frame (14), and the limiting rod movably penetrates the fixed seat (7), the buffer spring (15) is sleeved on the outer wall of the limiting rod, and one end of the buffer spring (15) and one side of the outer wall of the fixed seat (7) are fixedly connected, and one end of the buffer spring (15) and one side of the outer wall of the sliding frame (14) are fixedly connected.
4. A twin-shaft concrete mixer according to claim 3, characterized in that: The top surface of two said connecting frames (11) is fixedly connected with a buffer pad (12).
5. A twin-shaft concrete mixer according to claim 4, characterized in that: The outer wall of the stirring bin (2) is provided with two stirring motors (3), and the output ends of the two stirring motors (3) are fixedly connected with one end of the corresponding stirring shaft (4).
6. A twin-shaft concrete mixer according to claim 5, characterized in that: The outer wall of two said stirring shafts (4) is fixedly connected with a plurality of stirring blades (5).