Ground flat steel bender
Patent Information
- Application Number
- CN202522026994.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-22
- Publication Date
- 2026-10-20
- Estimated Expiration
- 2035-09-22
AI Technical Summary
[0002]在电力系统接地工程施工中,接地扁钢的折弯成型是确保其与接地极可靠连接的重要工序;传统作业多依赖人工使用简易工具或大型机械进行冷弯操作,不仅劳动强度大、效率低下,且难以精确控制折弯角度与位置;冷弯过程中扁钢易发生回弹,导致成型角度不准,需反复校正;更为重要的是,冷弯易在材料内部产生应力集中与冷作硬化现象,降低其机械性能与耐腐蚀性,影响接地系统的长期稳定性;对于较厚规格的扁钢,常需多人协作或重型设备,在狭窄施工场地中尤为不便;缺乏一种集夹持定位、精准折弯与局部热处理于一体的便携式装置,制约了施工效率与工程质量
1、本实用新型通过在夹持套的一侧转动安装折弯柄,在折弯柄的上下两侧转动柄之间转动安装一根折弯辊,将需要折弯的接地扁钢套在夹持套内,并将夹持套滑动至接地扁钢需要折弯的位置,转动折弯柄,使折弯辊将接地扁钢压弯,实现对接地扁钢的准确高效折弯。
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Figure CN224866115U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of grounding flat steel bending technology, and in particular relates to a grounding flat steel bending device. Background Technology
[0002] In the construction of power system grounding projects, bending and forming the grounding flat steel is a crucial step to ensure its reliable connection with the grounding electrode. Traditional operations often rely on manual labor using simple tools or large machinery for cold bending, which is not only labor-intensive and inefficient but also makes it difficult to accurately control the bending angle and position. During the cold bending process, the flat steel is prone to springback, resulting in inaccurate forming angles that require repeated corrections. More importantly, cold bending easily causes stress concentration and work hardening within the material, reducing its mechanical properties and corrosion resistance, and affecting the long-term stability of the grounding system. For thicker flat steel, multiple people or heavy equipment are often required, which is particularly inconvenient in narrow construction sites. The lack of a portable device that integrates clamping, positioning, precise bending, and local heat treatment further restricts construction efficiency and project quality.
[0003] To address these issues, we provide a grounding flat steel bender. Utility Model Content
[0004] The purpose of this invention is to provide a grounding flat steel bending device. A bending handle is rotatably installed on one side of a clamping sleeve, and a bending roller is rotatably installed between the upper and lower sides of the bending handle. The grounding flat steel to be bent is placed inside the clamping sleeve, and the clamping sleeve is slid to the desired bending position. Rotating the bending handle causes the bending roller to bend the grounding flat steel, achieving accurate and efficient bending. Furthermore, a heating component is installed inside the clamping sleeve. When the clamping sleeve is fitted onto the desired bending position of the grounding flat steel, the heating component heats the bending position, thereby increasing the ductility and plasticity of the grounding flat steel and reducing metal fatigue during bending.
[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution: This utility model is a grounded flat steel bending device, including a clamping sleeve, a bending handle, and a heating component. The clamping sleeve is a square tube structure with horizontal openings at both ends. The bending handle includes two rotating handles and a bending roller. The rotating handles are L-shaped. The bending roller is rotatably installed between the short ends of the two rotating handles. The long ends of the two rotating handles away from the bending roller are respectively rotatably installed on the upper and lower sides of the clamping sleeve. The heating component is located inside one end of the clamping sleeve.
[0006] A further feature of this invention is that a side top plate is horizontally slidably sleeved inside the clamping sleeve, the horizontal sliding direction of the side top plate is perpendicular to the length direction of the clamping sleeve, and a side top screw is threaded through one side of the horizontal side of the clamping sleeve, with one end of the side top screw extending into the clamping sleeve rotatably mounted on one side plate surface of the side top plate.
[0007] A further feature of this invention is that the upper and lower sides of the clamping sleeve are respectively provided with sliding grooves, and the upper and lower sides of the top plate are respectively provided with sliding tenons, and the upper and lower sliding tenons are respectively slidably sleeved in the upper and lower sliding grooves.
[0008] A further feature of this invention is that a horizontal pull handle is fixed between the L-shaped bends of the two rotating handles, and a notch for insertion is provided through the middle section of the horizontal pull handle.
[0009] A further feature of this invention is that a slot is provided on the side of the clamping sleeve away from the side top screw, the length direction of the slot is parallel to the length direction of the clamping sleeve, and the slot extends through both ends of the clamping sleeve.
[0010] A further feature of this invention is that the heating assembly includes a heat-conducting sleeve and an inductor coil. The heat-conducting sleeve is disposed at one end inside the clamping sleeve, and a heat-conducting column is fixedly provided on the inner end face of the end of the heat-conducting sleeve away from the side top screw. The inductor coil is sleeved on the outside of the heat-conducting column.
[0011] A further feature of this invention is that the opening end of the heat-conducting sleeve near the side-top screw is fixedly covered with an end cap, and a set of side-top springs are fixedly connected to the end face of the end cap away from the heat-conducting sleeve. The end of the side-top springs away from the end cap is fixedly connected to the inner wall of the clamping sleeve.
[0012] This utility model has the following beneficial effects: 1. This utility model involves rotating and installing a bending handle on one side of a clamping sleeve, and rotating and installing a bending roller between the upper and lower sides of the bending handle. The grounding flat steel to be bent is placed inside the clamping sleeve, and the clamping sleeve is slid to the position where the grounding flat steel needs to be bent. The bending handle is rotated so that the bending roller bends the grounding flat steel, thereby achieving accurate and efficient bending of the grounding flat steel.
[0013] 2. This utility model provides a heating component inside the clamping sleeve. The clamping sleeve is then fitted onto the location where the grounding flat steel needs to be bent. The heating component heats the location where the grounding flat steel needs to be bent, thereby increasing the ductility and plasticity of the grounding flat steel and reducing metal fatigue during bending.
[0014] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description
[0015] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments 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.
[0016] Figure 1 This is a schematic diagram of a grounding flat steel bending device.
[0017] Figure 2 This is an exploded view of the clamping sleeve and the side top plate.
[0018] Figure 3 This is a schematic diagram of the clamping sleeve and bending handle.
[0019] Figure 4 This is a side sectional view of the heating assembly.
[0020] Figure 5 This is a schematic diagram of the heating component and the clamping sleeve.
[0021] The attached diagram lists the components represented by each number as follows: 1-Clamping sleeve, 101-Side top plate, 101a-Sliding tenon, 102-Side top screw, 103-Sliding groove, 104-Entry groove, 2-Bending handle, 201-Rotating handle, 201a-Horizontal pull handle, 201a-1-Entry notch, 202-Bending roller, 3-Heating component, 301-Heat-conducting sleeve, 301a-Heat-conducting column, 301b-End cap, 301b-1-Side top spring, 302-Inductor coil. Detailed Implementation
[0022] 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 skilled in the art without creative effort are within the protection scope of the present utility model.
[0023] Example 1 Please see Figures 1 to 3This utility model relates to a grounding flat steel bending device, comprising a clamping sleeve 1, a bending handle 2, and a heating component 3. The bending handle 2 includes two rotating handles 201 and a bending roller 202. By rotating the bending handle 2 on one side of the clamping sleeve 1 and rotating the bending roller 202 between the upper and lower rotating handles 201, the grounding flat steel to be bent is placed inside the clamping sleeve 1, and the clamping sleeve 1 is slid to the position where the grounding flat steel needs to be bent. Rotating the bending handle 2 causes the bending roller 202 to bend the grounding flat steel, thus achieving accurate and efficient bending of the grounding flat steel. By setting the heating component 3 inside the clamping sleeve 1 and placing the clamping sleeve 1 on the position where the grounding flat steel needs to be bent, the heating component 3 heats the position where the grounding flat steel needs to be bent, thereby increasing the ductility and plasticity of the grounding flat steel and reducing metal fatigue of the grounding flat steel during bending.
[0024] Specifically, the clamping sleeve 1 is a square tube structure with horizontal openings at both ends, the rotating handle 201 is an L-shaped structure, the bending roller 202 is rotatably installed between the short handle ends of the two rotating handles 201, the long handle ends of the two rotating handles 201 away from the bending roller 202 are respectively rotatably installed on the upper and lower sides of the clamping sleeve 1, and the heating component 3 is set inside one end of the clamping sleeve 1.
[0025] Furthermore, a side top plate 101 is horizontally slidably sleeved inside the clamping sleeve 1. The horizontal sliding direction of the side top plate 101 is perpendicular to the length direction of the clamping sleeve 1. A side top screw 102 is threaded through the horizontal side of the clamping sleeve 1. One end of the side top screw 102 extending into the clamping sleeve 1 is rotatably mounted on one side plate of the side top plate 101. After the grounding flat steel is sleeved into the clamping sleeve 1, the side top screw 102 is rotated, causing the side top screw 102 to push the side top plate 101 to press the grounding flat steel into the clamping sleeve 1.
[0026] Furthermore, the upper and lower sides of the clamping sleeve 1 are respectively provided with sliding grooves 103, and the upper and lower sides of the top plate 101 are respectively provided with sliding tenons 101a, and the upper and lower sliding tenons 101a are respectively slidably sleeved in the upper and lower sliding grooves 103.
[0027] Furthermore, a horizontal pull handle 201a is fixed between the L-shaped bends of the two rotating handles 201. The middle section of the horizontal pull handle 201a has a through notch 201a-1 for inserting. The horizontal pull handle 201a is used to pull the rotating handle 201 to rotate.
[0028] Furthermore, a slot 104 is provided on the side of the clamping sleeve 1 away from the side top screw 102. The length direction of the slot 104 is parallel to the length direction of the clamping sleeve 1. The slot 104 extends through both ends of the clamping sleeve 1 and is used to insert the grounding flat steel into the clamping sleeve 1, so as to avoid the need to insert the clamping sleeve 1 from one end of the grounding flat steel.
[0029] The operation process in this embodiment is as follows: The grounding flat steel is inserted into the clamping sleeve 1 through the insertion notch 201a-1 of the horizontal pull handle 201a and the insertion groove 104 on one side of the clamping sleeve 1. The clamping sleeve 1 is slid to the position where the grounding flat steel needs to be bent. The side top screw 102 is rotated so that the side top screw 102 pushes the side top plate 101 to press the grounding flat steel into the clamping sleeve 1. The heating component 3 heats the position where the grounding flat steel needs to be bent. Then the horizontal pull handle 201a is pulled to rotate away from the side top screw 102, so that the rotating handle 201 rotates, thereby causing the bending roller 202 to bend the grounding flat steel.
[0030] Example 2 Please see Figures 1 to 5 Based on Embodiment 1, the heating assembly 3 includes a heat-conducting sleeve 301 and an inductor coil 302. By fixing a heat-conducting column 301a on the top surface inside the heat-conducting sleeve 301, the inductor coil 302 is sleeved on the outside of the heat-conducting column 301a. High-frequency alternating current is passed through the inductor coil 302, causing the heat-conducting column 301a inside the inductor coil 302 to generate eddy currents and heat up under the action of the alternating magnetic field, which raises the temperature of the heat-conducting sleeve 301. The heat-conducting sleeve 301 transfers the temperature to the grounding flat steel, raising the temperature at the location where the grounding flat steel needs to be bent, thereby increasing the ductility and plasticity of the grounding flat steel and reducing the metal fatigue of the grounding flat steel during bending.
[0031] Specifically, the heat-conducting sleeve 301 is disposed at one end inside the clamping sleeve 1, and a heat-conducting column 301a is fixed on the inner end face of the end of the heat-conducting sleeve 301 away from the side top screw 102, and the inductor coil 302 is sleeved on the outside of the heat-conducting column 301a.
[0032] Furthermore, the heat-conducting sleeve 301 is fixedly covered with an end cap 301b at the open end near the side top screw 102. A set of side top springs 301b-1 is fixedly connected to the end face of the end cap 301b away from the heat-conducting sleeve 301. The end of the side top spring 301b-1 away from the end cap 301b is fixedly connected to the inner wall of the clamping sleeve 1. The side top spring 301b-1 presses the heat-conducting sleeve 301 against one side of the grounding flat steel.
[0033] The operation process in this embodiment is as follows: After the grounding flat steel is placed inside the clamping sleeve 1, the side top spring 301b-1 presses the heat-conducting sleeve 301 tightly against one side of the grounding flat steel. High-frequency alternating current is passed through the inductor coil 302, causing the heat-conducting column 301a inside the inductor coil 302 to generate eddy currents and heat up under the action of the alternating magnetic field. This causes the temperature of the heat-conducting sleeve 301 to rise, and the heat-conducting sleeve 301 transfers the temperature to the grounding flat steel, raising the temperature at the location where the grounding flat steel needs to be bent. This increases the ductility and plasticity of the grounding flat steel and reduces metal fatigue during bending.
[0034] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.
Claims
1. A grounded flat steel bending device, comprising a clamping sleeve (1), a bending handle (2), and a heating assembly (3), characterized in that: The clamping sleeve (1) is a square tube structure with horizontal openings at both ends. The bending handle (2) includes two rotating handles (201) and a bending roller (202). The rotating handle (201) is an L-shaped structure. The bending roller (202) is rotatably installed between the short handles of the two rotating handles (201). The long handles of the two rotating handles (201) away from the bending roller (202) are respectively rotatably installed on the upper and lower sides of the clamping sleeve (1). The heating component (3) is located inside one end of the clamping sleeve (1).
2. The grounding flat steel bending device according to claim 1, characterized in that: A side top plate (101) is horizontally slidably sleeved inside the clamping sleeve (1). The horizontal sliding direction of the side top plate (101) is perpendicular to the length direction of the clamping sleeve (1). A side top screw (102) is threaded through the horizontal side of the clamping sleeve (1). One end of the side top screw (102) extending into the clamping sleeve (1) is rotatably mounted on one side plate of the side top plate (101).
3. A grounding flat steel bending device according to claim 2, characterized in that: The clamping sleeve (1) has grooves (103) on its upper and lower sides respectively, and the top and bottom sides of the side plate (101) are fixed with tenons (101a) respectively. The tenons (101a) at the upper and lower ends are slidably sleeved in the grooves (103) at the upper and lower ends respectively.
4. A grounding flat steel bending device according to claim 3, characterized in that: A horizontal pull handle (201a) is fixed between the L-shaped bends of the two rotating handles (201), and a notch (201a-1) is provided in the middle section of the horizontal pull handle (201a).
5. A grounding flat steel bending device according to claim 4, characterized in that: The clamping sleeve (1) has a through-hole (104) on the side away from the side top screw (102). The length direction of the through-hole (104) is parallel to the length direction of the clamping sleeve (1), and the through-hole (104) extends through both ends of the clamping sleeve (1).
6. A grounding flat steel bending device according to claim 2, characterized in that: The heating assembly (3) includes a heat-conducting sleeve (301) and an inductor coil (302). The heat-conducting sleeve (301) is disposed at one end inside the clamping sleeve (1). A heat-conducting column (301a) is fixed on the inner end face of the end of the heat-conducting sleeve (301) away from the side top screw (102). The inductor coil (302) is sleeved on the outside of the heat-conducting column (301a).
7. A grounding flat steel bending device according to claim 6, characterized in that: The heat-conducting sleeve (301) is fixedly covered with an end cap (301b) near the opening end of the side top screw (102). A set of side top springs (301b-1) is fixedly connected to the end face of the end cap (301b) away from the heat-conducting sleeve (301). The end of the side top spring (301b-1) away from the end cap (301b) is fixedly connected to the inner wall of the clamping sleeve (1).