Electrode clamp and power transmission vehicle
By designing the sleeve and wedge assembly of the electrode clamp to cooperate, the tight clamping and flexible connection of the electrode clamp are achieved, which solves the problems of unstable current and electrode damage caused by loose electrode clamping, and improves current transmission efficiency and equipment reliability.
Patent Information
- Application Number
- CN202520363333.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-04
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-03-04
AI Technical Summary
When existing electrode clamps hold electrodes in graphitization furnaces, they are prone to loose clamping, resulting in poor contact between the electrode clamp and the electrode. This affects the stable conduction of current, increases resistance and heat generation, and may accelerate material aging or damage.
An electrode clamp was designed. Through the cooperation of the first sleeve and the wedge block assembly, the clamping assembly can shrink inward along the radial direction of the sleeve assembly to increase the contact area. It is flexibly connected to the trolley body to adapt to changes in electrode position and avoid excessive compression.
This achieves stable current transmission between the electrode clamp and the electrode, reduces energy loss, avoids electrode damage, and extends the service life of the equipment.
Smart Images

Figure CN223858450U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of power supply equipment for graphitization furnaces, and more particularly to an electrode clamp and a power supply vehicle. Background Technology
[0002] In existing technologies, when clamping electrodes in a graphitization furnace, the clamping is often not tight, resulting in poor contact between the clamp and the electrode. Poor contact between the clamp and the electrode affects the stable conduction of current, leading to increased resistance, increased heat generation, and increased power consumption. Localized overheating may also accelerate material aging or damage, affecting the overall function of the equipment. Utility Model Content
[0003] To address the aforementioned technical problems, this application provides an electrode clamp and a power transmission vehicle.
[0004] A first aspect of this application provides an electrode clip, comprising:
[0005] A sleeve assembly, including a first sleeve, the inner diameter of the first sleeve gradually narrowing along the axial direction;
[0006] A wedge assembly is disposed within the sleeve assembly, including a top plate and a plurality of wedges arranged along the circumferential direction of the top plate; the wedges are provided with guide grooves extending axially.
[0007] At least one clamping assembly is used to clamp the electrode;
[0008] A connecting component passes through the first sleeve and the guide groove, and its bottom is connected to the clamping component;
[0009] The driving unit has its extended end connected to the top plate and is capable of driving the wedge assembly to reciprocate along the inner wall of the first sleeve. When the driving unit drives the wedge assembly to extend out of the sleeve assembly, the clamping assembly can retract radially inward along the sleeve assembly to clamp the electrode.
[0010] In some embodiments of this application, the sleeve assembly further includes a second sleeve, which is integrally formed or fixedly connected to the first sleeve.
[0011] In some embodiments of this application, a fixing plate is provided at the end of the second sleeve, and a drive unit fixing seat is provided on the fixing plate; the drive unit passes through the fixing plate and is disposed in the drive unit fixing seat.
[0012] In some embodiments of this application, the wedge assembly further includes a guide rod disposed on the top plate, the guide rod passing through the fixed plate to guide the axial movement of the wedge assembly.
[0013] In some embodiments of the present application, the outer circumference of the top disc is provided with a plurality of insertion slots arranged at intervals, and one end of the wedge block is formed with an insertion part and a stop part; the insertion part is capable of being inserted into the insertion slot, thereby realizing quick installation and disassembly of the wedge block and the top disc.
[0014] In some embodiments of the present application, the clamping assembly comprises a copper plate and a water tank, and the water tank is arranged between the copper plate and the wedge block.
[0015] In some embodiments of the present application, the connecting assembly comprises a connecting rod, a blocking part and an elastic element; the connecting rod passes through the first sleeve and the guide groove, and the end thereof is fixedly connected with the clamping assembly; the blocking part is arranged at the other end of the connecting rod; and the elastic element is sleeved on the connecting rod, and the two ends thereof abut against the first sleeve and the blocking part, respectively.
[0016] In some embodiments of the present application, the circumferential surface of the first sleeve is provided with a containing groove, and one end of the elastic element is contained in the containing groove.
[0017] In some embodiments of the present application, the first sleeve and the wedge block are both provided with weight-reducing holes.
[0018] In the second aspect of the present application, a power supply vehicle is provided, comprising an electrode clamp and a power supply vehicle body; the electrode clamp is flexibly connected to the power supply vehicle body.
[0019] Compared with the prior art, the electrode clamp of the present application, through the cooperation between the first sleeve and the wedge block, when the driving unit drives the wedge block assembly to extend out of the sleeve assembly, the clamping assembly can be contracted inward along the radial direction of the sleeve assembly, so as to tightly clamp the electrode, so that the contact area between the clamping assembly and the electrode is maximized, and the stable current transmission between the electrode clamp and the electrode can be maintained. The power supply vehicle of the present application, the electrode clamp is flexibly connected to the power supply vehicle body, so that the electrode clamp can adapt to the electrodes with position changes in various directions, so that the clamping assembly of the electrode clamp tightly fits the electrode, and the electrode damage phenomenon caused by excessive extrusion between the electrode clamp and the electrode can be avoided.
[0020] It should be understood that the above general description and the following detailed description are only exemplary and explanatory, and cannot limit the present text. BRIEF DESCRIPTION OF DRAWINGS
[0021] The accompanying drawings, which form a part of the present description, are used to provide a further understanding of the present text, and the illustrative embodiments of the present text and their descriptions are used to explain the present text, and do not constitute an improper limitation on the present text. In the drawings:
[0022] Figure 1Figure 1 is a structural schematic diagram of an electrode clamp provided by an exemplary embodiment of the present application;
[0023] Figure 2 Figure 1 is a structural schematic diagram of an electrode clamp provided by an exemplary embodiment of the present application;
[0024] Figure 3 Figure 1 is a structural schematic diagram of an electrode clamp provided by an exemplary embodiment of the present application;
[0025] Figure 4 Figure 1 is a structural schematic diagram of an electrode clamp provided by an exemplary embodiment of the present application;
[0026] Figure 5 Figure 1 is a structural schematic diagram of an electrode clamp provided by an exemplary embodiment of the present application.
[0027] Figure 1 is a structural schematic diagram of an electrode clamp provided by an exemplary embodiment of the present application.
[0028] 10, sleeve assembly; 101, first sleeve; 102, second sleeve; 103, fixed plate; 104, driving unit fixing seat; 20, wedge block assembly; 201, wedge block; 2011, plug-in part; 2012, stop part; 2013, guide groove; 202, top disc; 2021, insertion slot; 203, guide rod; 30, clamping assembly; 301, copper plate; 302, water tank; 40, driving unit; 50, connecting assembly. DETAILED DESCRIPTION
[0029] To make the objectives, technical solutions, and superiorities of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described below in connection with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some but not all of the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall into the protection scope of the present application. It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other in any manner without conflict.
[0030] In the prior art, when the electrode clamp clamps the electrode of a graphitization furnace, the clamping is usually not tight, which leads to poor contact between the electrode clamp and the electrode. The poor contact between the electrode clamp and the electrode affects the stable conduction of the current, which leads to increased resistance and increased heat generation, so that the power consumption of the equipment is increased. Local overheating can also accelerate the aging or damage of the material, which affects the overall function of the equipment.
[0031] Based on this, the exemplary embodiments of the present application provide an electrode clamp, through the cooperation between the first sleeve and the wedge block, when the driving unit drives the wedge block assembly to extend the sleeve assembly, the clamping assembly can be contracted inward along the radial direction of the sleeve assembly, so as to tightly clamp the electrode, so that the contact area between the clamping assembly and the electrode is maximized, and the stable current transmission between the electrode clamp and the electrode can be maintained. The exemplary embodiments of the present application provide a power supply vehicle, the flexible connection between the electrode clamp and the body of the power supply vehicle, so that the electrode clamp can adapt to the electrode with position changes in various directions, so that the clamping assembly of the electrode clamp tightly fits the electrode, and the electrode damage phenomenon caused by excessive extrusion between the electrode clamp and the electrode can be avoided.
[0032] Embodiment 1:
[0033] The exemplary embodiments of the present application provide an electrode clamp, as shown in Figure 1 and 2 , the electrode clamp comprises a sleeve assembly 10, a wedge block assembly 20, a clamping assembly 30, a connecting assembly 50 and a driving unit 40. The sleeve assembly 10 comprises a first sleeve 101 and a second sleeve 102, which are integrally formed or fixedly connected between the first sleeve 101 and the second sleeve 102; as shown in Figure 3 , the inner diameter of the first sleeve 101 gradually shrinks along the axial direction from the connection between the first sleeve 101 and the second sleeve 102, so that the inner wall of the first sleeve 101 forms an inclined guide slope. The end of the second sleeve 102 is provided with a fixed plate 103, and the fixed plate 103 is provided with a driving unit fixing seat 104; the driving unit 40 passes through the fixed plate 103 and is arranged in the driving unit fixing seat 104, and the extension end of the driving unit 40 is connected with the center of the top disc 202. Preferably, the driving unit 40 can be an oil cylinder or an air cylinder, which can drive the wedge block assembly 20 to reciprocate. The wedge block assembly 20 is arranged in the sleeve assembly 10 and comprises a top disc 202 and a plurality of wedge blocks 201 arranged along the circumferential direction of the top disc 202. A plurality of guide rods 203 are arranged on the top disc 202, and the plurality of guide rods 203 are circumferentially distributed and pass through the fixed plate 103, so as to guide the axial movement of the wedge block assembly 20. The inclined surface of the wedge block 201 cooperates with the guide slope of the first sleeve 101; the driving unit 40 can push the wedge block assembly 20 to reciprocate along the guide slope of the first sleeve 101.
[0034] The clamping assembly 30 is used to clamp the electrode, and at least one clamping assembly 30 is distributed in the space enclosed by the plurality of wedge blocks 201. Preferably, the present application comprises eight groups of wedge blocks 201 and eight groups of clamping assemblies 30, and the eight groups of clamping assemblies 30 are circumferentially arranged in the space enclosed by the eight groups of wedge blocks 201. As shown in Figure 1As shown, the clamping assembly 30 includes a copper plate 301 and a water tank 302. The water tank 302 is disposed between the copper plate 301 and the wedge block 201. Multiple water tanks 302 can be connected in parallel or in series. For example, when multiple water tanks 302 are connected in parallel, each water tank 302 is provided with an inlet pipe and an outlet pipe. Each inlet pipe is connected to a main inlet pipe, and each outlet pipe is connected to a main outlet pipe. The main inlet pipe and the main outlet pipe can be connected to the main water tank 302 and the pump to achieve water circulation inside the water tank 302. The electrode clamps in this application are all made of conductive materials. The copper plate 301 of the clamping assembly 30 has high conductivity, which can reduce energy loss.
[0035] like Figure 4 As shown, the wedge 201 is provided with a guide groove 2013 extending axially; the connecting assembly 50 includes a connecting rod, a blocking part, and an elastic element; the connecting rod passes through the first sleeve 101 and the guide groove 2013, and its end is fixedly connected to the clamping assembly 30. Preferably, the connecting rod is a screw, and the clamping assembly 30 is provided with a threaded hole, and the end of the connecting rod is threadedly connected to the clamping assembly 30. The blocking part is provided at the other end of the connecting rod to block the elastic element; the elastic element is sleeved on the connecting rod, and its two ends abut against the first sleeve 101 and the blocking part, respectively; preferably, the circumferential surface of the first sleeve 101 is provided with a receiving groove, and one end of the elastic element is received in the receiving groove. In order to better fix the clamping assembly 30, each set of clamping assemblies 30 is provided with two connecting assemblies 50, and the two connecting assemblies 50 are arranged at intervals along the axial direction of the first sleeve 101.
[0036] In one embodiment, such as Figure 4 and 5 As shown, slots 2021 are arranged at intervals on the outer circumference of the top plate 202, and one end of the wedge 201 has an insertion part 2011 and a stop part 2012; the insertion part 2011 can be inserted into the slot 2021 to realize the quick installation and removal of the wedge 201 and the top plate 202. In order to reduce the overall weight of the electrode clamp, weight reduction holes are provided on both the first sleeve 101 and the wedge 201.
[0037] The electrode clamp of this application operates as follows: Figure 3The shown state is the state of the electrode clamp being opened, which is the initial state; when the extension end of the driving unit 40 extends, the wedge block assembly 20 can be driven to extend the sleeve assembly 10 along the guide slope of the first sleeve 101; with the movement of the wedge block 201, the thickness of the wedge block 201 is continuously increased, so that the clamping assembly 30 can be retracted along the radial direction of the sleeve assembly 10, so as to tightly clamp the electrode, maximize the contact area between the clamping assembly 30 and the electrode, and keep the stable current transmission between the electrode clamp and the electrode; at this time, the connecting rod of the connecting assembly 50 also moves towards the direction close to the axis of the sleeve assembly 10 with the clamping assembly 30, so that the elastic element is compressed; when the extension end of the driving unit 40 is retracted, the wedge block 201 returns to the initial state, and at this time the elastic element can provide a restoring force to make the clamping assembly 30 return to the initial state.
[0038] Embodiment 2:
[0039] An example embodiment of the present application provides a power transmission vehicle, which comprises the electrode clamp in embodiment 1 and a power transmission vehicle body; the electrode clamp is flexibly connected to the power transmission vehicle body; for example, the electrode clamp can be connected to the vehicle body of the power transmission vehicle through a flexible chain or a universal joint, so that the electrode clamp can adapt to the electrodes with position changes in various directions, and the clamping assembly 30 of the electrode clamp can tightly fit the electrodes, so as to avoid the damage of the electrodes caused by excessive extrusion between the electrode clamp and the electrodes.
[0040] In the present application, the terms "comprising", "containing" or any other variant thereof are intended to cover non-exclusive inclusion, so that the article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such article or device. Without more limitations, the elements defined by the statement "comprising" do not exclude the presence of additional identical elements in the article or device including the elements.
[0041] Although the preferred embodiments of the present application have been described, those skilled in the art can make further changes and modifications to the embodiments once they know the basic inventive concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications falling within the scope of the present application.
[0042] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application also intends to include these modifications and variations.
Claims
1. An electrode clamp characterized by, The utility model relates to an electrode holder, comprising: a sleeve assembly, comprising a first sleeve with an inner diameter gradually shrinking in the axial direction; a wedge assembly arranged in the sleeve assembly, comprising a top disc and a plurality of wedges arranged along the circumferential direction of the top disc, the wedges being provided with a guide groove extending in the axial direction; at least one clamping assembly for clamping the electrode; a connecting assembly passing through the first sleeve and the guide groove, the bottom of the connecting assembly being connected with the clamping assembly; a driving unit, the extending end of the driving unit being connected with the top disc and capable of pushing the wedge assembly to reciprocate along the inner wall of the first sleeve; when the driving unit drives the wedge assembly to extend out of the sleeve assembly, the clamping assembly can shrink inwards along the radial direction of the sleeve assembly to clamp the electrode.
2. The electrode clamp of claim 1, wherein The sleeve assembly further comprises a second sleeve integrally formed with or fixed to the first sleeve.
3. The electrode clamp of claim 2, wherein, The end of the second sleeve is provided with a fixing plate, the fixing plate being provided with a driving unit fixing seat; the driving unit passes through the fixing plate and is arranged in the driving unit fixing seat.
4. The electrode clamp of claim 3, wherein, The wedge assembly further comprises a guide rod arranged on the top disc, the guide rod passing through the fixing plate to guide the axial movement of the wedge assembly.
5. The electrode clamp of claim 1, wherein, The outer circumference of the top disc is provided with a plurality of insertion grooves arranged at intervals, one end of the wedge being formed with an insertion part and a stop part; the insertion part can be inserted into the insertion groove to realize quick installation and disassembly of the wedge and the top disc.
6. The electrode clamp of claim 1, wherein The clamping assembly comprises a copper plate and a water tank, the water tank being arranged between the copper plate and the wedge.
7. The electrode clamp of claim 1, wherein The connecting assembly comprises a connecting rod, a blocking part and an elastic element; the connecting rod passes through the first sleeve and the guide groove, the end of the connecting rod being fixed to the clamping assembly; the blocking part is arranged at the other end of the connecting rod; the elastic element is sleeved on the connecting rod, the two ends of the elastic element being respectively abutted against the first sleeve and the blocking part.
8. The electrode clamp of claim 7, wherein, The circumferential surface of the first sleeve is provided with a containing groove, one end of the elastic element being contained in the containing groove.
9. The electrode clamp of claim 1, wherein, The first sleeve and the wedge are both provided with lightening holes.
10. A power feeding trolley, characterized by The utility model relates to an electrode holder, comprising: a sleeve assembly, comprising a first sleeve with an inner diameter gradually shrinking in the axial direction; a wedge assembly arranged in the sleeve assembly, comprising a top disc and a plurality of wedges arranged along the circumferential direction of the top disc, the wedges being provided with a guide groove extending in the axial direction; at least one clamping assembly for clamping the electrode; a connecting assembly passing through the first sleeve and the guide groove, the bottom of the connecting assembly being connected with the clamping assembly; a driving unit, the extending end of the driving unit being connected with the top disc and capable of pushing the wedge assembly to reciprocate along the inner wall of the first sleeve; when the driving unit drives the wedge assembly to extend out of the sleeve assembly, the clamping assembly can shrink inwards along the radial direction of the sleeve assembly to clamp the electrode. The sleeve assembly further comprises a second sleeve integrally formed with or fixed to the first sleeve. The end of the second sleeve is provided with a fixing plate, the fixing plate being provided with a driving unit fixing seat; the driving unit passes through the fixing plate and is arranged in the driving unit fixing seat. The wedge assembly further comprises a guide rod arranged on the top disc, the guide rod passing through the fixing plate to guide the axial movement of the wedge assembly. The outer circumference of the top disc is provided with a plurality of insertion grooves arranged at intervals, one end of the wedge being formed with an insertion part and a stop part; the insertion part can be inserted into the insertion groove to realize quick installation and disassembly of the wedge and the top disc. The clamping assembly comprises a copper plate and a water tank, the water tank being arranged between the copper plate and the wedge. The connecting assembly comprises a connecting rod, a blocking part and an elastic element; the connecting rod passes through the first sleeve and the guide groove, the end of the connecting rod being fixed to the clamping assembly; the blocking part is arranged at the other end of the connecting rod; the elastic element is sleeved on the connecting rod, the two ends of the elastic element being respectively abutted against the first sleeve and the blocking part. The circumferential surface of the first sleeve is provided with a containing groove, one end of the elastic element being contained in the containing groove. The first sleeve and the wedge are both provided with lightening holes. The utility model relates to an electrode holder, comprising: a sleeve assembly, comprising a first sleeve with an inner diameter gradually shrinking in the axial direction; a wedge assembly arranged in the sleeve assembly, comprising a top disc and a plurality of wedges arranged along the circumferential direction of the top disc, the wedges being provided with a guide groove extending in the axial direction; at least one clamping assembly for clamping the electrode; a connecting assembly passing through the first sleeve and the guide groove, the bottom of the connecting assembly being connected with the clamping assembly; a driving unit, the extending end of the driving unit being connected with the top disc and capable of pushing the wedge assembly to reciprocate along the inner wall of the first sleeve; when the driving unit drives the wedge assembly to extend out of the sleeve assembly, the clamping assembly can shrink inwards along the radial direction of the sleeve assembly to clamp the electrode. The sleeve assembly further comprises a second sleeve integrally formed with or fixed to the first sleeve. The end of the second sleeve is provided with a fixing plate, the fixing plate being provided with a driving unit fixing seat; the driving unit passes through the fixing plate and is arranged in the driving unit fixing seat. The wedge assembly further comprises a guide rod arranged on the top disc, the guide rod passing through the fixing plate to guide the axial movement of the wedge assembly. The outer circumference of the top disc is provided with a plurality of insertion grooves arranged at intervals, one end of the wedge being formed with an insertion part and a stop part; the insertion part can be inserted into the insertion groove to realize quick installation and disassembly of the wedge and the top disc. The clamping assembly comprises a copper plate and a water tank, the water tank being arranged between the copper plate and the wedge. The connecting assembly comprises a connecting rod, a blocking part and an elastic element; the connecting rod passes through the first sleeve and the guide groove, the end of the connecting rod being fixed to the clamping assembly; the blocking part is arranged at the other end of the connecting rod; the elastic element is sleeved on the connecting rod, the two ends of the elastic element being respectively abutted against the first sleeve and the blocking part. The circumferential surface of the first sleeve is provided with a containing groove, one end of the elastic element being contained in the containing groove. The first sleeve and the wedge are both provided with lightening holes. The utility model relates to an electrode holder, comprising: