Reinforcing steel bar cutting device for reinforced concrete inspection well
By designing a limiting frame and protective cover structure for the rebar cutting device of reinforced concrete inspection wells, the problem of vibration during rebar cutting was solved, achieving higher quality and more efficient cutting results and meeting construction requirements.
Patent Information
- Application Number
- CN202423178329.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-23
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-23
AI Technical Summary
In existing technologies, steel bars are prone to vibration during the cutting process, resulting in uneven cut surfaces and numerous burrs, making it difficult to meet the size and shape requirements of reinforced concrete inspection wells and affecting construction quality.
A rebar cutting device for reinforced concrete inspection wells was designed. It uses a U-shaped groove and a limiting frame of the lower and upper protective covers. The design of the limiting frame, fixing pin and locking nut realizes the stable fixing and adjustment of the rebar, and then cuts it with the grinding blade.
It effectively reduces rebar vibration, improves the flatness and precision of the cut surface, enhances cutting quality and efficiency, and ensures that the cut rebar meets construction requirements.
Smart Images

Figure CN223571909U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a steel bar cutting technical field especially relates to a steel bar cutting device for reinforced concrete inspection well. BACKGROUND
[0002] In the construction and all kinds of scenes involving reinforced concrete inspection well construction, cutting steel bar is a common and important process, at present, the market will use angle grinder to complete steel bar cutting work in most cases,
[0003] The angle grinder itself structure is relatively simple, when cutting steel bar, due to lack of effective fixing and stabilizing device, steel bar is extremely easy to produce shaking phenomenon in the cutting process, the shaking of steel bar makes the cutting surface difficult to keep smooth, is prone to uneven cutting, too much burr and so on, seriously affects the precision and quality of cutting, leads to the steel bar after cutting to meet the strict requirements of reinforced concrete inspection well to steel bar size, shape, is not conducive to the smooth development of subsequent construction link. UTILITY MODEL CONTENTS
[0004] The utility model aims at solving the shortcomings in prior art and provides a reinforced concrete inspection well steel bar cutting device.
[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: a reinforced concrete inspection well steel bar cutting device, including body, the body is rotatably connected with main shaft, the main shaft is equipped with abrasive cutting piece, the body is provided with upper protective cover, the middle part of main shaft is equipped with threaded rotating shaft, the lower end of threaded rotating shaft penetrates abrasive cutting piece, and fixed disc is screwed and arranged, the fixed disc abuts abrasive cutting piece.
[0006] Preferably, the lower end of the upper protective cover is fitted with a lower protective cover, a plurality of connecting protrusions are symmetrically arranged on both sides of the lower protective cover and the upper protective cover, and connecting bolts are arranged between the connecting protrusions of the lower protective cover and the upper protective cover.
[0007] Preferably, a U-shaped groove is formed in one side of the top surface of the lower protective cover and the upper protective cover, and a limiting frame is arranged at the opening of the U-shaped groove.
[0008] Preferably, an insertion slot is formed in each connecting protrusion of the upper protective cover, and an insertion block corresponding to the insertion slot is arranged on each connecting protrusion of the lower protective cover.
[0009] Preferably, one side of the top surface of the limiting frame is hinged to the lower protective cover and the upper protective cover, a fixed bolt is arranged on the other side of the top surface of the limiting frame, and locking nuts are symmetrically arranged at the upper and lower ends of the hinge of the limiting frame.
[0010] Preferably, the fuselage is provided with a fixing block symmetrically arranged on both sides of the top surface of the upper protective cover, and a fixing bolt is arranged between the fixing block and the upper protective cover in a threaded manner.
[0011] Compared with the prior art, the utility model has the advantages that: the utility model discloses through the cooperation of the U-shaped groove and the limiting frame on the lower protective cover and the upper protective cover, the steel bar cutting device for the reinforced concrete inspection well can limit the steel bar, the standardization of the steel bar placement is improved, and the function of reducing the shaking of the steel bar during cutting is realized. BRIEF DESCRIPTION OF DRAWINGS
[0012] The accompanying drawings, which are included to provide a further understanding of the present application and are incorporated in and constitute a part of this application, illustrate embodiments of the present application and serve to explain the present application. In the drawings:
[0013] Figure 1 The utility model discloses a whole structure first visual angle schematic drawing is provided to the utility model.
[0014] Figure 2 The utility model discloses a whole structure first visual angle schematic drawing is provided to the utility model.
[0015] Figure 3 The utility model discloses a whole structure first visual angle schematic drawing is provided to the utility model.
[0016] Figure 4 The utility model discloses a lower protective cover part enlarged schematic drawing is provided to the utility model.
[0017] In the drawing, the serial number is: 1, the fuselage, 2, the main shaft, 3, the grinding cutting piece, 4, the threaded rotating shaft, 5, the upper protective cover, 6, the lower protective cover, 7, the connecting convex block, 8, the limiting frame, 9, the fixed bolt, 10, the fixed block, 11, the fixed bolt, 12, the plug-in block. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the present application will be clearly and completely described 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, not all the embodiments.
[0019] Embodiment: see Figures 1-4The utility model discloses a reinforced concrete inspection well steel cutting device, including fuselage 1, the rotation is connected with main shaft 2 on fuselage 1, is equipped with the grinding cutting piece 3 on main shaft 2, is provided with upper protective cover 5 on fuselage 1, the middle part of main shaft 2 is equipped with threaded shaft 4, the lower end of threaded shaft 4 penetrates grinding cutting piece 3, and is equipped with fixed disc with screwing, and fixed disc abuts grinding cutting piece 3. Main shaft 2 is rotatably connected with fuselage 1, so that grinding cutting piece 3 can rotate smoothly and cut, and the rotary connection mode is favorable for power transmission and reduces the block, improves cutting efficiency. Grinding cutting piece 3 is installed on main shaft 2 and is used for actual cutting steel bar, can realize the cutting operation of steel bar by high -speed rotation. Threaded shaft 4 and fixed disc cooperate and firmly fix grinding cutting piece 3, avoid the loosening, shift etc. of grinding cutting piece 3 in the cutting process, and upper protective cover 5 plays a certain protection function, prevents the debris generated when cutting from splashing outward, and the lower end of upper protective cover 5 is attached with lower protective cover 6, a plurality of connecting bosses 7 are symmetrically arranged between lower protective cover 6 and the both sides of upper protective cover 5, and connecting bolts are arranged between the connecting bosses 7 of lower protective cover 6 and upper protective cover 5. Lower protective cover 6 and upper protective cover 5 are mutually attached, form a relatively closed protective space, enhance the protection effect of cutting area, can more effectively block the outward diffusion of the debris, sparks etc. generated by cutting, and the maximum degree protects the surrounding environment and operator safety. The connecting bosses 7 and connecting bolts symmetrically arranged on both sides make the connection between upper protective cover 5 and lower protective cover 6 close and stable, and it is not easy to appear gap or looseness, guarantee the integrity and reliability of protection structure, maintain good protection state for a long time, further improve the safety of the whole device when using. The top side of lower protective cover 6 and upper protective cover 5 is provided with a U-shaped groove, and a limiting frame 8 is arranged at the slot opening of the U-shaped groove. The U-shaped groove provides a suitable positioning space for steel bar placement, facilitates guiding the steel bar to be accurately placed in the cutting position, so that the steel bar can be in a more standardized and stable initial state before cutting. The limiting frame 8 is located at the slot opening and can limit the placed steel bar, limit the shaking and deviation of the steel bar during cutting, effectively reduce the steel bar shaking, so that grinding cutting piece 3 can cut the steel bar more stably, improve the flatness and cutting precision of the cutting surface, guarantee the cutting quality, and improve the efficiency and effect of the whole cutting work.
[0020] In the utility model, the connecting lug 7 of the upper protective cover 5 is provided with a plug-in groove, and the connecting lug 7 of the lower protective cover 6 is provided with a plug-in block 12 corresponding to the plug-in groove. The plug-in groove of the upper protective cover 5 and the plug-in block 12 of the lower protective cover 6 are matched with each other, so that quick and accurate positioning can be realized when the upper protective cover 5 and the lower protective cover 6 are installed, the operator can be conveniently and accurately assembled, the assembly efficiency is improved, and problems such as protection loopholes or unstable structure caused by inaccurate installation position are reduced. At the same time, the plug-in matching mode makes the connection between the upper protective cover 5 and the lower protective cover 6 more compact and stable, enhances the stability of the overall protective structure, ensures that the protective function can be reliably played in the long-term use process, and maintains good use performance of the device. The top surface of the limiting frame 8 is hingedly connected to the lower protective cover 6 and the upper protective cover 5 on one side, the other side of the top surface of the limiting frame 8 is provided with a fixed bolt 9, and the hinged part of the limiting frame 8 is symmetrically provided with locking nuts at the upper and lower ends. The hinged design on one side of the top surface of the limiting frame 8 makes it flexible to rotate, facilitates the adjustment of the angle and position according to different specifications of the reinforcing steel bars, enhances the adaptability to different sizes of reinforcing steel bars, and ensures that the reinforcing steel bars can be well limited. The fixed bolt 9 can be fixed after the limiting frame 8 is adjusted to the appropriate position, so as to prevent it from rotating at will and ensure the stability of the limiting. The locking nuts symmetrically arranged at the upper and lower ends of the hinged part further reinforce the hinged part, avoid loosening during use, ensure that the limiting frame 8 is always in a stable and reliable working state, continuously and effectively reduce the vibration of the reinforcing steel bars, improve the accuracy and quality of cutting, and improve the practicability and reliability of the whole device. The fixed block 10 is symmetrically arranged on the top surface of the upper protective cover 5, and the fixed block 10 and the upper protective cover 5 are screw-connected with the fixed bolt 11. The fixed block 10 on the machine body 1 is screw-connected with the upper protective cover 5 through the fixed bolt 11, so that the upper protective cover 5 can be firmly fixed on the machine body 1, the connection strength between the upper protective cover 5 and the machine body 1 is enhanced, the protective cover is prevented from loosening, displacement and other conditions caused by vibration and other reasons during the operation of the device, and the protective structure is always in the correct position and stably plays the protection role. This stable connection mode also helps to maintain the overall structural stability of the whole device, makes the cooperation of various parts more smooth, and then ensures that the cutting work can be safely and efficiently carried out, and improves the durability and use performance of the device.
[0021] Working principle: in the utility model for use, select the need to cut the reinforcement, place it in the space surrounded by the limiting frame 8, use the limiting frame 8 to frame the reinforcement, make the reinforcement be in the relatively stable state initially, limit the large amplitude movement of the reinforcement, then pass through the corresponding position on the top surface of the limiting frame 8 by the fixed bolt 9 and fix, simultaneously, use the tool to tighten the locking nut on the upper and lower ends of the hinged portion, further reinforce the fixed state of the limiting frame 8, push the reinforcement that has been fixed by the limiting frame 8 along the U-shaped groove that is opened on the top surface of the lower protective cover 6 and the upper protective cover 5 one side slowly, make the reinforcement enter the cutting position in the U-shaped groove smoothly, then start the device, the power system in the body 1 starts to drive the rotation of the main shaft 2 at this time, the main shaft 2 will drive the high-speed rotation of the grinding cutting piece 3 installed on it, by virtue of the sharp cutting edge of the high-speed rotation of the grinding cutting piece 3, the reinforcement that is in the U-shaped groove and is accurately defined by the limiting frame 8 is contacted, and then the reinforcement is cut, when the reinforcement is cut, the device power is turned off.
[0022] The above is only the preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art in the technical range disclosed by the utility model, according to the technical scheme and the utility model concept of the utility model, equivalent replacement or change, should be covered in the protection scope of the utility model.
Claims
1. A steel bar cutting device for reinforced concrete inspection wells, comprising a machine body (1), characterized in that: A main shaft (2) is rotatably connected to the machine body (1). A grinding blade (3) is provided on the main shaft (2). An upper protective cover (5) is provided on the machine body (1). A threaded rotating shaft (4) is provided in the middle of the main shaft (2). The lower end of the threaded rotating shaft (4) passes through the grinding blade (3) and is screwed with a fixing plate. The fixing plate abuts against the grinding blade (3).
2. The steel bar cutting device for reinforced concrete inspection wells according to claim 1, characterized in that: The lower end of the upper protective cover (5) is fitted with a lower protective cover (6). Several connecting protrusions (7) are symmetrically arranged on both sides of the lower protective cover (6) and the upper protective cover (5). Connecting bolts are provided between the connecting protrusions (7) of the lower protective cover (6) and the upper protective cover (5).
3. The steel bar cutting device for reinforced concrete inspection wells according to claim 2, characterized in that: The lower protective cover (6) and the upper protective cover (5) have U-shaped grooves on one side of their top surfaces, and a limiting frame (8) is provided at the opening of the U-shaped groove.
4. The steel bar cutting device for reinforced concrete inspection wells according to claim 3, characterized in that: The upper protective cover (5) has a connecting protrusion (7) with a plug-in groove, and the lower protective cover (6) has a connecting protrusion (7) with a corresponding plug-in block (12).
5. A steel bar cutting device for reinforced concrete inspection wells according to claim 4, characterized in that: The top side of the limiting frame (8) is hinged to the lower protective cover (6) and the upper protective cover (5), and the other side of the top surface of the limiting frame (8) is provided with a fixing pin (9). Locking nuts are symmetrically provided at the upper and lower ends of the hinge of the limiting frame (8).
6. A steel bar cutting device for reinforced concrete inspection wells according to claim 5, characterized in that: The body (1) is provided with fixing blocks (10) symmetrically on both sides of the top surface of the upper protective cover (5), and fixing bolts (11) are screwed between the fixing blocks (10) and the upper protective cover (5).