Cable support special-shaped insulation rubber sleeve cutting device
By designing a cable bracket special-shaped insulating rubber sleeve cutting device including a base, a straight cutting plate, a special-shaped cutting plate, a straight cutting knife, a special-shaped cutting knife, a rotating shaft, a connecting rod and a handle, the problems of slow cutting speed and low precision in the existing technology are solved, efficient and accurate cutting effects are achieved, and construction costs and material waste are reduced.
Patent Information
- Application Number
- CN202422790319.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-15
- Publication Date
- 2025-09-26
- Estimated Expiration
- 2034-11-15
AI Technical Summary
The existing cable bracket special-shaped insulating rubber sleeve cutting process is slow, low-precision, large-error, and easy to break, resulting in low construction efficiency and increased costs.
A cutting device is designed, which includes a base, a straight cutting plate, a special-shaped cutting plate, a straight cutting knife, a special-shaped cutting knife, a rotating shaft, a connecting rod and a handle. It adopts a mechanized cutting method, uses aluminum alloy and Q235 steel materials, and combines a bevel blade and a return spring to achieve efficient and precise cutting.
It significantly improves cutting speed and accuracy, reduces breakage rate, reduces material waste, lowers requirements on worker quality, improves construction efficiency and quality, and reduces costs.
Smart Images

Figure CN223383558U_ABST
Abstract
Description
Technical Field
[0001] The utility model discloses a cutting device for special-shaped insulating rubber sleeves of a cable support, belonging to the technical field of cutting rubber sleeves of cable supports. Background Art
[0002] The newly constructed Shenyang-Baihe Railway, located in Liaoning Province and southern Jilin Province in Northeast China, serves as a regional connector for the "Eight Vertical and Eight Horizontal" high-speed railway network. It holds significant significance for promoting the comprehensive revitalization of Northeast China and achieving high-quality regional economic development. With the rapid development of high-speed rail technology, the use of specialized cable supports for the four electrical systems, as a crucial component of the system, has become particularly important. However, traditional cable support operations present numerous challenges, such as inconvenient operation, low efficiency, and potential safety hazards. Therefore, improving and optimizing cable support operations is a pressing issue. China Railway Construction Electrification Bureau Group Second Engineering Co., Ltd., based on the Shenyang-Baihe High-Speed Railway project, conducted an investigation and study of the cable support operation process. They identified one of the primary issues contributing to low cable support construction efficiency: the cutting of the custom-shaped insulating rubber sleeves. Existing methods rely primarily on manual scissor cutting, which suffers from slow speed, low precision, large errors, prone to mistakes, and a high breakage rate. Therefore, innovation and improvements in cutting tools are needed to improve overall cable support construction efficiency, accelerate construction progress, and reduce costs. Utility Model Content
[0003] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a device for cutting special-shaped insulating rubber sleeves of cable supports with high speed and high precision.
[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a device for cutting special-shaped insulating rubber sleeves of a cable bracket, comprising a base, a straight cutting plate, a straight cutting knife, a special-shaped cutting plate, a special-shaped cutting knife, a rotating shaft, a connecting rod and a handle; the base is a flat plate, one side of the base is a straight edge, to which the straight cutting plate is fixed, and the other side is a special-shaped edge, to which the special-shaped cutting plate is fixed; the straight cutting knife is arranged close to the straight cutting plate, and the special-shaped cutting knife is arranged close to the special-shaped cutting plate; the front ends of the straight cutting plate and the special-shaped cutting plate are flush with the base, the rear ends extend beyond the base and are provided with a through hole; the rear ends of the straight cutting knife and the special-shaped cutting knife are flush with the straight cutting plate and the special-shaped cutting plate and are provided with a through hole, and the front ends extend beyond the straight cutting plate and the special-shaped cutting plate and are provided with a through hole;
[0005] Both ends of the rotating shaft are provided with external threads, which are respectively inserted into the through holes at the rear ends of the straight cutter and the straight cutter plate, the special-shaped cutter and the special-shaped cutter plate, and connected with the first nut;
[0006] Both ends of the connecting rod are provided with external threads, which are respectively inserted into the through holes at the front ends of the straight cutter and the special-shaped cutter and connected with the second nut. A handle mounting handle is also fixed in the middle of the connecting rod, and the handle is mounted on the handle mounting handle.
[0007] The middle part of the special-shaped cutter is provided with a concave folded edge, and the shapes of the special-shaped cutting plate and the special-shaped edges of the base are adapted to the shape of the special-shaped cutter.
[0008] Furthermore, an insulating rubber sleeve limiting shell is fixed on the base. The insulating rubber sleeve limiting shell is in the shape of a groove with an opening facing downward, and together with the upper surface of the base forms a channel for the insulating rubber sleeve to pass through.
[0009] Furthermore, the insulating rubber sleeve limiting shell is divided into three parts which are spaced apart on the left, middle and right sides, and a corresponding notch is provided on the part located at the special-shaped edge of the base.
[0010] Furthermore, return springs are provided at both ends of the connecting rod, one end of the return spring is connected to the connecting rod, and the other end is connected to the corresponding cutter.
[0011] Furthermore, the bottoms of the straight cutting plate and the special-shaped cutting plate both have outwardly protruding limiting edges.
[0012] Furthermore, the lower surfaces of the straight cutter and the special-shaped cutter are inclined surfaces to form blades, and the blades are arc-shaped blades.
[0013] Furthermore, threaded holes are provided on both sides of the base, and the straight cutting plate and the special-shaped cutting plate are connected to the base by bolts or screws.
[0014] Furthermore, the first nut and the second nut are both flange nuts.
[0015] Furthermore, the base, the rotating shaft and the cutter connecting rod are made of aluminum alloy.
[0016] Furthermore, the straight cutting plate, straight cutting knife, special-shaped cutting plate and special-shaped cutting knife are made of Q235 steel.
[0017] Compared with the prior art, the present invention has the following beneficial effects.
[0018] 1. The utility model has a significant improvement in efficiency. Compared with the traditional method of cutting special-shaped insulating rubber sleeves of cable supports manually using scissors, the utility model has the advantages of high degree of mechanical automation, fast cutting speed, high cutting accuracy, low breakage rate and low operation safety risk, which has a good effect on further improving the cutting quality of special-shaped insulating rubber sleeves of cable supports.
[0019] 2. The utility model has the characteristics of low processing and manufacturing cost, simple carrying and fixing, and convenient and quick construction.
[0020] 3. When the utility model is used, the requirements on the quality of workers are greatly reduced compared with the previous method which required workers to trim carefully. Only simple training and guidance are needed on site to make the workers competent for the job, which greatly improves work efficiency.
[0021] 4. This utility model successfully improves the low quality and large errors in cutting special-shaped insulating rubber sleeves for cable supports, and has achieved remarkable results in practical applications. The application of this technology greatly improves the first-time success rate, overall efficiency, and quality of cutting special-shaped insulating rubber sleeves for cable supports, providing reliable technical support for improving the construction process standards of cable supports.
[0022] 5. This utility model significantly reduces the waste of insulating rubber sleeves, avoids the cost increase caused by damage due to manual operation errors, and also reduces the demand for worker quality. Compared with the previous method, the use of this device can directly improve the efficiency of cutting special-shaped insulating rubber sleeves, which is of great significance in terms of saving costs and improving work efficiency.
[0023] In summary, the utility model has good social, economic, and safety benefits in practical application, provides reliable support for cable support construction, and has a positive effect on cost reduction and efficiency improvement. The application of this utility model supplements the company's shortcomings in cable support construction, while also avoiding material waste. It is convenient and quick to use, requires low-quality personnel, has high construction efficiency, and has a high first-time success rate. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following is a brief introduction to the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.
[0025] Figure 1 It is a structural diagram of the present utility model.
[0026] Figure 2 It is a top view of the utility model.
[0027] Figure 3 It is a structural diagram of the base in the utility model.
[0028] Figure 4 It is a structural schematic diagram of the straight cutting plate in the utility model.
[0029] Figure 5 It is a structural schematic diagram of the special-shaped cutting plate in the utility model.
[0030] Figure 6 It is a structural schematic diagram of the straight cutter in the utility model.
[0031] Figure 7 It is a structural schematic diagram of the special-shaped cutter in the utility model.
[0032] Figure 8 It is a structural schematic diagram of the connecting plate in the utility model.
[0033] In the figure: 1 is a base, 2 is a straight cutting plate, 3 is a straight cutting knife, 4 is a special-shaped cutting plate, 5 is a special-shaped cutting knife, 6 is a rotating shaft, 7 is a connecting rod, 8 is a handle, 9 is a first nut, 10 is a second nut, 11 is a handle mounting handle, 12 is an insulating rubber sleeve limit shell, 13 is a return spring, and 14 is a limit edge. DETAILED DESCRIPTION
[0034] The technical solutions in the embodiments of the present invention are clearly and completely described in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other implementation methods obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0035] It should be noted that the structures, proportions, sizes, etc. shown in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions for the implementation of the present invention. Therefore, they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in the present invention without affecting the efficacy and purpose that can be achieved by the present invention. It should be noted that in this specification, relational terms such as first and second are only used to distinguish one entity from other entities, and do not necessarily require or imply any actual relationship or order between these entities.
[0036] The present utility model provides the following embodiments.
[0037] like Figure 1 、 Figure 2 As shown, the utility model is a cable bracket special-shaped insulating rubber sleeve cutting device, including a base 1, a straight cutting plate 2, a straight cutting knife 3, a special-shaped cutting plate 4, a special-shaped cutting knife 5, a rotating shaft 6, a connecting rod 7 and a handle 8. The base 1 is a flat plate, one side of the base 1 is a straight edge, fixed with the straight cutting plate 2, and the other side is a special-shaped edge, fixed with the special-shaped cutting plate 4, the straight cutting knife 3 is arranged next to the straight cutting plate 2, and the special-shaped cutting knife 5 is arranged next to the special-shaped cutting plate 4, the front ends of the straight cutting plate 2 and the special-shaped cutting plate 4 are flush with the base 1, the rear ends extend beyond the base 1 and are provided with a through hole, the rear ends of the straight cutting knife 3 and the special-shaped cutting knife 5 are flush with the straight cutting plate 2 and the special-shaped cutting plate 4 and are provided with a through hole, and the front ends extend beyond the straight cutting plate 2 and the special-shaped cutting plate 4 and are provided with a through hole;
[0038] Both ends of the rotating shaft 6 are provided with external threads, which are respectively inserted into the through holes at the rear ends of the straight cutting plate 2 and the straight cutting knife 3, the special-shaped cutting plate 4 and the special-shaped cutting knife 5, and connected to the first nut 9; the rotating shaft 6 mainly serves to fix the cutter and assist the cutter to rotate around the axis.
[0039] Both ends of the connecting rod 7 are provided with external threads, which are respectively inserted into the through holes at the front ends of the straight cutter 3 and the special-shaped cutter 5, and connected with the second nut 10. Figure 8 As shown, a handle mounting handle 11 is fixed to the middle of the connecting rod 7, and the handle 8 is installed on the handle mounting handle 11; the connecting rod 7 mainly serves to connect and fix the two cutters, and the handle 8 is convenient to hold, drives the cutters to work, and facilitates the use of force when cutting.
[0040] The middle portion of the special-shaped cutter 5 has a concave folded edge, and the shapes of the special-shaped edges of the special-shaped cutting plate 4 and the base 1 are adapted to the shape of the special-shaped cutter 5 .
[0041] like Figure 3 As shown, an insulating rubber sleeve limiting shell 12 is fixed on the base 1. The insulating rubber sleeve limiting shell 12 is in the shape of a groove with an opening facing downward, and together with the upper surface of the base 1 forms a channel for the insulating rubber sleeve to pass through.
[0042] The insulating rubber sleeve limiting shell 12 is divided into three parts that are spaced apart on the left, middle and right sides, and a corresponding notch is opened on the part located at the special-shaped edge of the base 1.
[0043] Both ends of the connecting rod 7 are provided with a return spring 13, one end of the return spring 13 is connected to the connecting rod 7, and the other end is connected to the corresponding cutter. The return spring 13 provides a reverse force to stabilize the position of the two cutters.
[0044] like Figure 4 、 Figure 5 As shown, the bottoms of the straight cutting plate 2 and the special-shaped cutting plate 4 are both provided with outwardly protruding limiting ridges 14. The limiting ridges 14 are used to limit the maximum displacement of the corresponding cutting blades.
[0045] like Figure 6 、 Figure 7 As shown, the lower surfaces of the straight cutter 3 and the special-shaped cutter 5 are inclined to form blades, and the blades are arc-shaped blades. This can reduce the contact area during cutting and thus increase the shearing force.
[0046] Threaded holes are formed on both sides of the base 1 , and the straight cutting plate 2 and the special-shaped cutting plate 4 are connected to the base 1 by bolts or screws.
[0047] The first nut 9 and the second nut 10 are both flange nuts.
[0048] The base 1, the rotating shaft 6 and the connecting rod 7 are made of aluminum alloy. Aluminum alloy has high strength, light weight, and excellent properties in castability, corrosion resistance and weldability. It also has the advantages of easy material purchase and low cost.
[0049] The straight cutting plate 2, straight cutting knife 3, special-shaped cutting plate 4 and special-shaped cutting knife 5 are made of Q235 steel. Q235 steel has strong bearing capacity, good durability, easy processing and low cost.
[0050] The handle 8 can be processed using polypropylene plastic, which has low density, strong heat resistance, and good balance of hardness, fastness and strength. The processing method is simple, flexible and low-cost, making it very suitable for making handles.
[0051] The installation steps of the present utility model are as follows: determine the specifications and models of the base 1, straight cutting plate 2, straight cutting blade 3, shaped cutting plate 4, shaped cutting blade 5, rotating shaft 6, connecting rod 7, and handle 8 and arrange them neatly. First, secure the base 1 to the straight cutting plate 2 and shaped cutting plate 4 using bolts or screws in the threaded holes on both sides. Then, secure the straight cutting blade 3 and shaped cutting blade 5 to the straight cutting plate 2 and shaped cutting plate 4 using the rear end through-holes, rotating shaft 6, and flange lock nuts. Next, install the return spring 13 at both ends of the connecting rod 7, and mate the connecting rod 7 with the front end through-holes of the straight cutting blade 3 and shaped cutting blade 5, securing them with flange lock nuts. Finally, install the handle 8 at the handle mounting knob 11 on the connecting rod 7. During this process, ensure that the rotation center of all moving components is at the rotating shaft 6 to ensure stability during operation.
[0052] The working process of the utility model is as follows: the two cutters are lifted by the handle 8, the insulating rubber sleeve of the cable support to be cut is inserted from the insulating rubber sleeve limiting shell 12, the handle 8 is manually pressed to generate the power of cutting and the force is transmitted to the straight cutting knife 3 and the special-shaped cutting knife 5 through the connecting rod 7, and the straight cutting plate 2 and the special-shaped cutting plate 4 are cooperated to cut, and the insulating rubber sleeve is cut into the target shape, that is, the rapid cutting of the special-shaped insulating rubber sleeve of the cable support is completed.
[0053] The above description is merely a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present invention should be included in the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.
Claims
1. A device for cutting special-shaped insulating rubber sleeves of cable supports, characterized by: The utility model comprises a base (1), a straight cutting plate (2), a straight cutting knife (3), a special-shaped cutting plate (4), a special-shaped cutting knife (5), a rotating shaft (6), a connecting rod (7) and a handle (8), wherein the base (1) is a flat plate, one side of the base (1) is a straight edge, on which the straight cutting plate (2) is fixed, and the other side is a special-shaped edge, on which the special-shaped cutting plate (4) is fixed, the straight cutting knife (3) is arranged close to the straight cutting plate (2), and the special-shaped cutting knife (5) is arranged close to the special-shaped cutting plate (4), the front ends of the straight cutting plate (2) and the special-shaped cutting plate (4) are flush with the base (1), the rear ends thereof extend beyond the base (1) and are provided with a through hole, the rear ends of the straight cutting knife (3) and the special-shaped cutting knife (5) are flush with the straight cutting plate (2) and the special-shaped cutting plate (4) and are provided with a through hole, and the front ends thereof extend beyond the straight cutting plate (2) and the special-shaped cutting plate (4) and are provided with a through hole; Both ends of the rotating shaft (6) are provided with external threads, which are respectively inserted into the through holes at the rear ends of the straight cutting plate (2) and the straight cutting knife (3), the special-shaped cutting plate (4) and the special-shaped cutting knife (5), and connected to the first nut (9); Both ends of the connecting rod (7) are provided with external threads, which are respectively inserted into the through holes at the front ends of the straight cutter (3) and the special-shaped cutter (5) and connected to the second nut (10). A handle mounting handle (11) is also fixed to the middle of the connecting rod (7), and the handle (8) is mounted on the handle mounting handle (11); The middle portion of the special-shaped cutter (5) is provided with a concave folded edge, and the shapes of the special-shaped edges of the special-shaped cutting plate (4) and the base (1) are adapted to the shape of the special-shaped cutter (5).
2. The cable support special-shaped insulating rubber sleeve cutting device according to claim 1, characterized in that: An insulating rubber sleeve limiting shell (12) is fixed on the base (1), and the insulating rubber sleeve limiting shell (12) is in the shape of a groove with an opening facing downward, and together with the upper surface of the base (1) forms a channel for the insulating rubber sleeve to pass through.
3. The cable support special-shaped insulating rubber sleeve cutting device according to claim 2, characterized in that: The insulating rubber sleeve limiting shell (12) is divided into three parts that are spaced apart on the left, middle and right sides, wherein a corresponding notch is provided on the part located at the special-shaped edge of the base (1).
4. A cable support special-shaped insulating rubber sleeve cutting device according to claim 1 or 2, characterized in that: Both ends of the connecting rod (7) are provided with a return spring (13), one end of the return spring (13) is connected to the connecting rod (7), and the other end is connected to the corresponding cutter.
5. A cable support special-shaped insulating rubber sleeve cutting device according to claim 1 or 2, characterized in that: The bottoms of the straight cutting plate (2) and the special-shaped cutting plate (4) are both provided with outwardly protruding limiting edges (14).
6. A cable support special-shaped insulating rubber sleeve cutting device according to claim 1 or 2, characterized in that: The lower surfaces of the straight cutter (3) and the special-shaped cutter (5) are inclined surfaces to form cutting edges, and the cutting edges are arc-shaped edges.
7. A cable support special-shaped insulating rubber sleeve cutting device according to claim 1 or 2, characterized in that: Threaded holes are provided on both sides of the base (1), and the straight cutting plate (2) and the special-shaped cutting plate (4) are connected to the base (1) by bolts or screws.
8. A cable support special-shaped insulating rubber sleeve cutting device according to claim 1 or 2, characterized in that: The first nut (9) and the second nut (10) are both flange nuts.
9. A cable support special-shaped insulating rubber sleeve cutting device according to claim 1 or 2, characterized in that: The base (1), the rotating shaft (6) and the connecting rod (7) are made of aluminum alloy.
10. A cable support special-shaped insulating rubber sleeve cutting device according to claim 1 or 2, characterized in that: The straight cutting plate (2), the straight cutting knife (3), the special-shaped cutting plate (4), and the special-shaped cutting knife (5) are made of Q235 steel.