Ultrahigh-power graphite electrode strength detection device
By designing a clamping mechanism and a conductive simulation structure, the problems of poor adaptability and low detection accuracy of traditional graphite electrode detection devices have been solved. Stable clamping and conductivity simulation of graphite electrodes of different specifications have been achieved, improving the comprehensiveness and accuracy of the detection.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-03
- Publication Date
- 2026-03-27
AI Technical Summary
Traditional graphite electrode strength testing devices rely on a single testing method, cannot simulate actual stress, and have poor adaptability to graphite electrodes of different specifications, resulting in low testing accuracy.
A clamping mechanism was designed to stably clamp graphite electrodes of different diameters by using a synchronous electric telescopic rod and an insulating spring in conjunction with a clamping block and a pad. The conductivity of the graphite electrode under pressure was simulated by a hydraulic rod and a conductive electrode.
It achieves stable clamping of graphite electrodes of different specifications, improves detection accuracy, and can simulate the conductivity of graphite electrodes under actual force, thereby enhancing the comprehensiveness and accuracy of detection.
Smart Images
Figure CN224051817U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to material detection equipment technical field especially relates to a kind of superhigh power graphite electrode strength detection device. BACKGROUND
[0002] According to different raw materials and physical and chemical indexes of finished product, graphite electrode can be divided into three categories of ordinary power graphite electrode, high-power graphite electrode and superhigh power graphite electrode. Among them, the superhigh power graphite electrode has better specification performance than other products, with higher overall density, lower effective resistance, higher flexural strength, fewer total number of pores and lower ash content, mainly used for steel manufacturing in electric arc furnace, ladle furnace and smelting furnace.
[0003] The traditional graphite electrode strength detection device has many shortcomings. On the one hand, the detection method is relatively single, mostly using simple pressure test, which cannot simulate the conductivity of graphite electrode in actual stress use. On the other hand, the structure design of the existing device is not reasonable, and the adaptability to different specifications of graphite electrode is poor. During the detection process, problems such as unstable electrode fixation and uneven stress may occur, affecting the detection accuracy.
[0004] To solve the above technical problems, we propose a superhigh power graphite electrode strength detection device. CONTENT OF THE UTILITY MODEL
[0005] The utility model aims at solving the shortcomings in the prior art and proposes a superhigh power graphite electrode strength detection device.
[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0007] A superhigh power graphite electrode strength detection device, comprising a detection table, a clamping mechanism is arranged on the upper side of the detection table; the clamping mechanism comprises a fixed column, an upper circular groove is formed in the upper end of the fixed column, a plurality of rotating grooves are formed in the side edges of the upper circular groove, a rotating plate is rotatably installed in the inner side of the rotating groove, a plurality of shaft seats are fixedly installed on the side wall of the fixed column, a synchronous electric telescopic rod is hingedly installed between the shaft seat and the bottom of the rotating plate, a clamping block is rotatably installed on the inner side end of the rotating plate, a backing plate is fixedly installed on the inner side end of the clamping block, a metal sliding column is slidingly inserted into the side wall of the upper circular groove, an electrically conductive electrode is fixedly installed on the inner side end of the metal sliding column, and an insulating spring is fixedly connected between the electrically conductive electrode and the inner wall of the upper circular groove.
[0008] Further, the insulating spring is a compression spring, and the insulating spring is sleeved on the outer wall of the metal sliding column.
[0009] Further, the backing plate is made of rubber material, the inner side of the backing plate is provided with an arc surface, and horizontal anti-skid lines are uniformly arranged on the inner side surface of the backing plate.
[0010] Further, the bottom of the fixed column is fixedly installed on the upper side of the detection table.
[0011] Further, the upper circular groove is internally provided with an ultrahigh-power graphite electrode, and the ultrahigh-power graphite electrode is internally provided with a pad plate.
[0012] Further, the upper side of the detection table is fixedly installed with a controller, the outer side end of the metal sliding column is fixedly installed with a limiting metal disc, and the limiting metal disc is electrically connected with the controller through a lower cable.
[0013] Further, the upper side of the detection table is fixedly installed with a support, the support is fixedly installed with a hydraulic rod, the output end of the hydraulic rod is fixedly installed with a metal pressing disc, and the metal pressing disc is located directly above the fixed column.
[0014] Further, the metal pressing disc and the controller are electrically connected through an upper cable.
[0015] Compared with the related art, the ultrahigh-power graphite electrode strength detection device has the following beneficial effects:
[0016] In the ultrahigh-power graphite electrode strength detection device, the synchronous electric telescopic rod in the clamping mechanism can drive the rotating plate to rotate in the rotating groove, and the radial distance between the inner side end of the rotating plate and the center of the upper circular groove is changed, and the radial distance between the pad plate at the inner side end of the rotating plate and the center of the upper circular groove is changed at the same time, so that the pad plate can stably wrap and clamp the graphite electrode with different diameters, and the adaptability to graphite electrodes with different specifications is high, and problems such as unstable electrode fixation and uneven stress in the detection process are avoided.
[0017] In addition, the metal sliding column is slidably arranged on the sidewall of the upper circular groove, the inner side end of the metal sliding column is always in contact with the graphite electrode by the rebound force of the insulating spring, the metal pressing disc at the output end of the hydraulic rod is in contact with the upper end of the graphite electrode in the pressure detection process, and current can be introduced on the metal pressing disc, and a current is introduced from the metal sliding column at the lower side, the difference between the two currents can simulate the conductivity of the graphite electrode under the working condition of pressure, the detection method is more comprehensive, and the conductivity of the graphite electrode in actual stress use can be simulated. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 The utility model provides a kind of ultrahigh-power graphite electrode strength detection device's three-dimensional structure schematic diagram for the utility model proposes;
[0019] Figure 2 It is three-dimensional structure schematic diagram for clamping mechanism;
[0020] Figure 3 Schematic diagram of three-dimensional exploded structure of clamping mechanism Figure 1 ;
[0021] Figure 4 Schematic diagram of three-dimensional exploded structure of clamping mechanism Figure 2 ;
[0022] Figure 5 Schematic diagram of three-dimensional exploded structure of clamping mechanism Figure 3 .
[0023] In the figure: 1, detection table; 2, controller; 3, support; 4, hydraulic rod; 5, clamping mechanism; 51, fixed column; 52, upper circular groove; 53, shaft seat; 54, rotating groove; 55, rotating plate; 56, synchronous electric telescopic rod; 57, clamping block; 58, pad; 59, horizontal anti-skid pattern; 510, metal sliding column; 511, conductive electrode; 512, insulating spring; 513, limiting metal disc; 6, ultra-high power graphite electrode; 7, upper cable; 8, lower cable; 9, metal pressure plate. DETAILED DESCRIPTION
[0024] The utility model will be further described below in combination with the drawings and embodiments.
[0025] Referring to Figures 1-5 An ultra-high power graphite electrode strength detection device: including detection table 1, the upper side of detection table 1 is provided with clamping mechanism 5;Clamping mechanism 5 includes fixed column 51, the upper end of fixed column 51 is provided with upper circular groove 52, the side of upper circular groove 52 is provided with a plurality of rotating grooves 54, rotating plate 55 is rotatably installed in the inner side of rotating groove 54, a plurality of shaft seats 53 are fixedly installed on the side wall of fixed column 51, synchronous electric telescopic rod 56 is hingedly installed between the bottom of shaft seat 53 and rotating plate 55, clamping block 57 is rotatably installed in the inner side end of rotating plate 55, pad 58 is fixedly installed in the inner side end of clamping block 57, metal sliding column 510 is slidably inserted in the side wall of upper circular groove 52, conductive electrode 511 is fixedly installed in the inner side end of metal sliding column 510, insulating spring 512 is fixedly connected between the inner wall of upper circular groove 52 and conductive electrode 511.
[0026] Through the above-mentioned mode of setting, when synchronous electric telescopic rod 56 is elongated simultaneously, it can drive rotating plate 55 to rotate inward in upper circular groove 52, and then gradually drive pad in the inner side of clamping block 57 to gradually approach the radial center position of upper circular groove 52, so that the graphite electrode placed in the inner side of upper circular groove 52 can be wrapped and clamped, and the lateral support of the graphite electrode is more stable, and in addition, under the action of the resilience of insulating spring 512, the inner side end of metal sliding column 510 can always be in contact with the graphite electrode in a conductive state, which is convenient for subsequent power detection.
[0027] In the mode, the controller 2 is fixedly installed on the upper side of the detection table 1, the limiting metal disc 513 is fixedly installed at the outer side end of the metal slide column 510, the lower cable 8 is electrically connected between the limiting metal disc 513 and the controller 2, the bracket 3 is fixedly installed on the upper side of the detection table 1, the hydraulic rod 4 is fixedly installed on the bracket 3, the metal pressure disc 9 is fixedly installed at the output end bottom of the hydraulic rod 4, the metal pressure disc 9 is located directly above the fixed column 51, and the upper cable 7 is electrically connected between the metal pressure disc 9 and the controller 2.
[0028] Through the above mode, in the graphite electrode pressure detection process, a test current is sent by the controller 2, the test current passes through the upper cable 7, the metal pressure disc 9 and enters the graphite electrode under pressure, then flows into the metal slide column 510 in contact with the graphite electrode, and finally flows back to the test circuit of the controller 2 through the lower cable 8, and the controller 2 detects the size of the backflow current, and the size of the test current is compared and calculated to accurately calculate the conductivity of the graphite electrode under pressure.
[0029] In the mode, the insulating spring 512 is a compression spring, and the insulating spring 512 is sleeved on the outer wall of the metal slide column 510.
[0030] Through the above mode, the insulating spring 512 can provide a rebound force to make the inner side end of the metal slide column 510 abut against the side edge of the graphite electrode.
[0031] In the mode, the pad 58 is made of rubber material, the inner side of the pad 58 is provided as an arc surface, and the horizontal anti-skid lines 59 are uniformly arranged on the inner side surface of the pad 58.
[0032] Through the above mode, the inner side of the pad 58 is provided as an arc surface, the clamping fit degree of the inner side surface of the pad 58 and the side edge of the graphite electrode can be increased, the clamping stability is improved, and in addition, the horizontal anti-skid lines 59 can improve the roughness of the inner clamping surface of the pad 58, and the clamping stability is further improved.
[0033] In the mode, the fixed column 51 is fixedly installed on the upper side of the detection table 1, the super-high-power graphite electrode 6 is arranged in the inner side of the upper circular groove 52, and the super-high-power graphite electrode 6 is located in the inner side of the pad 58.
[0034] The working principle of the super-high-power graphite electrode strength detection device is as follows:
[0035] In use, according to the diameter of the ultra-high power graphite electrode 6 to be detected, the operation controller 2 starts the synchronous electric telescopic rod 56, the synchronous electric telescopic rod 56 is elongated, the rotating plate 55 is driven to rotate around the rotating groove 54, the rotating plate 55 drives the clamping blocks 57 and the backing plates 58 to move radially to the center position of the circular groove 52, when the backing plates 58 contact with the outer wall of the ultra-high power graphite electrode 6, the elongation of the synchronous electric telescopic rod 56 is continuously adjusted, so that the several backing plates 58 tightly wrap the ultra-high power graphite electrode 6, realize stable clamping under the rebound force of the insulating spring 512, the inner side end of the metal sliding column 510 tightly abuts against the side edge of the ultra-high power graphite electrode 6, ensure good electrical contact, start the hydraulic rod 4, the output end of the hydraulic rod 4 pushes the metal pressure plate 9 to move downward, until the metal pressure plate 9 contacts with the upper end surface of the ultra-high power graphite electrode 6, in the process of continuous pressure of the hydraulic rod 4, whether the ultra-high power graphite electrode 6 appears deformation, damage and the like is observed, so as to detect the strength performance, at the same time, the controller 2 outputs the test current, the current flows to the metal pressure plate 9 through the upper cable 7, and then enters the ultra-high power graphite electrode 6, after the current conducts in the ultra-high power graphite electrode 6, through the conductive electrode 511 and the metal sliding column 510 in contact with the side edge of the electrode, the current flows back to the controller 2 through the lower cable 8, the controller 2 detects the size of the backflow current in real time, and compares and analyzes with the test current emitted, and calculates the conductivity of the ultra-high power graphite electrode 6 under the pressure working condition.
[0036] The above only describes the embodiments of the present application, and does not limit the patent range of the present application, any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, are also included in the patent protection range of the present application.
Claims
1. An ultrahigh-power graphite electrode strength detection device, characterized by, Including detection platform (1), the detection platform (1) upside is provided with clamping mechanism (5); The clamping mechanism (5) includes a fixed column (51), the upper end of the fixed column (51) is provided with an upper circular groove (52), a plurality of rotating grooves (54) are formed in the side of the upper circular groove (52), a rotating plate (55) is rotatably installed in the rotating groove (54), a plurality of shaft seats (53) are fixedly installed on the side wall of the fixed column (51), a synchronous electric telescopic rod (56) is hingedly installed between the shaft seat (53) and the bottom of the rotating plate (55), a clamping block (57) is rotatably installed on the inner side of the rotating plate (55), a backing plate (58) is fixedly installed on the inner side of the clamping block (57), a metal sliding column (510) is slidingly inserted into the side wall of the upper circular groove (52), a conductive electrode (511) is fixedly installed on the inner side of the metal sliding column (510), and an insulating spring (512) is fixedly connected between the conductive electrode (511) and the inner wall of the upper circular groove (52).
2. The strength detection device for an ultrahigh-power graphite electrode according to claim 1, characterized by The insulating spring (512) is a compression spring and is sleeved on the outer wall of the metal sliding column (510).
3. The strength detection device for an ultrahigh-power graphite electrode according to claim 1, characterized by The backing plate (58) is made of rubber material, the inner side of the backing plate (58) is arc-shaped, and horizontal anti-skid lines (59) are evenly arranged on the inner side of the backing plate (58).
4. The strength detection device for an ultrahigh-power graphite electrode according to claim 1, characterized by The bottom of the fixed column (51) is fixedly installed on the upper side of the detection platform (1).
5. The strength detection device for an ultrahigh-power graphite electrode according to claim 1, characterized by The inner side of the upper circular groove (52) is provided with an ultrahigh power graphite electrode (6), and the ultrahigh power graphite electrode (6) is located on the inner side of the backing plate (58).
6. The strength detection device for an ultrahigh-power graphite electrode according to claim 1, characterized by The upper side of the detection platform (1) is fixedly installed with a controller (2), the outer side of the metal sliding column (510) is fixedly installed with a limiting metal disc (513), and the limiting metal disc (513) and the controller (2) are electrically connected with a lower cable (8).
7. The strength detection device for an ultrahigh-power graphite electrode according to claim 1, characterized by The upper side of the detection platform (1) is fixedly installed with a support (3), the support (3) is fixedly installed with a hydraulic rod (4), the output end of the hydraulic rod (4) is fixedly installed with a metal pressure disc (9), and the metal pressure disc (9) is located directly above the fixed column (51).
8. The strength detection device for an ultrahigh-power graphite electrode according to claim 7, characterized by The metal pressure disc (9) and the controller (2) are electrically connected with an upper cable (7).