CN219053316U - Electrode tube welding replacement device - Google Patents

Abstract

The utility model belongs to the technical field of electrode cylinder replacement devices, and in particular relates to an electrode cylinder welding replacement device which comprises an electrode cylinder transferring manipulator, an electrode cylinder placing and shaping device and an electrode cylinder welding positioning frame, wherein the electrode cylinder welding positioning frame is arranged at an electrode cylinder at the top of a calcium carbide furnace; the electrode cylinder to be welded can be shaped through the electrode cylinder placing shaping device; the electrode tube transferring manipulator can transfer the electrode tube to be welded after being shaped at the electrode tube placing shaping device to the electrode tube welding positioning frame, and the electrode tube to be welded after being shaped and the electrode tube at the top of the calcium carbide furnace are positioned through the electrode tube welding positioning frame. The electrode tube transferring manipulator, the electrode tube placing and shaping device and the electrode tube welding positioning frame are arranged, so that transferring, shaping and welding of the electrode tube can be realized, the actual production requirement is met, and the manual operation is replaced by mechanical equipment.

Description

Electrode tube welding replacement device

Technical Field

The utility model belongs to the technical field of electrode tube replacement devices, and particularly relates to an electrode tube welding replacement device.

Background

The self-baking electrode is composed of an electrode cylinder and electrode paste added into the electrode cylinder, and in the production process of a calcium carbide furnace, the electrode paste below a conductive clamp is baked into a mature carbon electrode through resistance heat, conduction heat and radiation heat, and is continuously consumed under the action of an end arc, the upper part of the electrode cylinder is required to be continuously welded, and the electrode paste is continuously added into the electrode cylinder to form the continuously produced self-baking electrode.

At present, common electrode barrels are transported by travelling crane; the transportation needs to be fixed by means of a belt and the like; therefore, certain inconvenience exists in the transportation process, and the transportation and the placement process are unstable. A special lifting appliance for lifting an electrode cylinder as disclosed in patent application number 202122560106.5; the lifting device is lifted by three lifting hooks, but the three lifting hooks are hinged, namely, corresponding problems exist: unstable; and unhooking is also needed during placement, so certain inconvenience still exists.

The electrode tube is easy to deform due to transportation and the structure of the electrode tube; therefore, when welding, the deformed part needs to be shaped to be aligned with the original electrode cylinder, so that certain inconvenience exists during welding.

After the electrode barrels are welded at the upper parts of the electrode barrels, the alignment between the two electrode barrels needs to be ensured, and the welding can be performed only by adopting a manual alignment mode after the alignment; for this purpose, corresponding alignment means are provided to achieve alignment between the two. An electrode cartridge welding alignment device as disclosed in patent application No. 202121471236.5, which is positioned by clamping; but the range of clamping is limited and therefore effective positioning cannot be achieved.

The electrode paste is consumed in the use process; therefore, it is necessary to timely replenish the electrode paste; the electrode paste is typically placed in a ton bag; transferred to the electric furnace through a lifting appliance or a mechanical arm. Therefore, in lifting, the hanging rope of the ton bag needs to be lifted manually and then lifted by a lifting appliance or a mechanical arm; this presents a certain risk and also affects the efficiency.

Therefore, the replacement of the electrode barrel and the feeding of the electrode paste are mainly manually interfered at present; corresponding mechanical devices are absent.

Disclosure of Invention

In view of the above technical problems, the present utility model provides an electrode tube welding replacement device, which can conveniently replace and weld an electrode tube; mechanical equipment is adopted to replace manual operation.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the electrode tube welding and replacing device comprises an electrode tube transferring manipulator, an electrode tube placing and shaping device and an electrode tube welding positioning frame, wherein the electrode tube welding positioning frame is arranged at the electrode tube at the top of the calcium carbide furnace; the electrode cylinder to be welded can be shaped through the electrode cylinder placing shaping device; the electrode tube transferring manipulator can transfer the electrode tube to be welded after being shaped at the electrode tube placing shaping device to the electrode tube welding positioning frame, and the electrode tube to be welded after being shaped and the electrode tube at the top of the calcium carbide furnace are positioned through the electrode tube welding positioning frame.

The electrode cylinder transferring manipulator comprises a moving mechanism and a clamping mechanism, wherein the clamping mechanism is arranged on the moving mechanism, and the clamping mechanism is driven to move by the moving mechanism; the clamping mechanism comprises a clamping bracket and a plurality of clamping assemblies, and the clamping assemblies are distributed along the central circumferential direction of the clamping bracket; the clamping assembly comprises a clamping arm, a pressing plate and a first fixing plate, wherein the clamping arm is fixedly connected with a clamping support, the first fixing plate is fixedly connected with the clamping arm, the pressing plate is hinged to the clamping arm, a driving piece is connected to the pressing plate, the pressing plate is driven to rotate through the driving piece and is close to the first fixing plate, and the electrode cylinder is clamped through the pressing plate and the first fixing plate. The driving piece is any one of an air cylinder, an oil cylinder or an electric telescopic cylinder; two ends of the driving piece are respectively hinged with the clamping arm and the pressing plate. The moving mechanism comprises a first moving frame, a second moving frame and a third moving frame, wherein the second moving frame is connected with the first moving frame in a sliding way, a first driving assembly is arranged between the second moving frame and the first moving frame, and the second moving frame is driven to move left and right along the first moving frame through the first driving assembly; the third movable frame is in sliding connection with the second movable frame, a second driving assembly is arranged between the third movable frame and the second movable frame, and the third movable frame is driven to move back and forth along the second movable frame through the second driving assembly; the third moving frame is connected with a connecting sliding frame in a sliding manner, a third driving assembly is arranged between the connecting sliding frame and the third moving frame, and the connecting sliding frame is driven to move up and down along the third moving frame through the third driving assembly; the clamping support is fixed on the connecting sliding frame. The first driving assembly and the second driving assembly are both gear-rack moving mechanisms, and the third driving assembly is a screw rod lifting mechanism. The third movable frame comprises an upper connecting frame and a lower connecting frame, the upper connecting frame is in sliding connection with the second movable frame, and the second driving assembly is arranged between the upper connecting frame and the second movable frame; the connecting sliding frame is connected with the lower connecting frame in a sliding way, and the third driving assembly is arranged between the connecting sliding frame and the lower connecting frame; the upper connecting frame is rotationally connected with the lower connecting frame and is provided with a fourth driving assembly, and the lower connecting frame is driven to rotate through the fourth driving assembly. The fourth driving assembly comprises a gear ring and a driving gear, the gear ring is fixedly connected with the lower connecting frame, the driving gear is rotationally connected with the upper connecting frame, the driving gear is meshed with the gear ring, and the driving gear is connected with a corresponding driving motor.

The welding machine further comprises a welding manipulator, and the welding manipulator is arranged on the moving mechanism.

And a lifting hook is arranged on the clamping support. The lifting hook is connected with a first telescopic cylinder, and a cylinder body and a piston rod of the first telescopic cylinder are respectively and fixedly connected with the clamping bracket and the lifting hook. The clamping arm is fixed with a second fixing plate hinged with the pressing plate, a space exists between the second fixing plate and the first fixing plate, and inclined planes are arranged at the lower ends of the second fixing plate and the first fixing plate. The electrode tube placing and shaping device comprises a fixed support and an adjusting assembly, wherein the adjusting assembly comprises a fixed frame and a movable disc, the fixed frame is fixedly connected with the fixed support, and the movable disc is in sliding connection with the fixed support; the fixing frame is connected with a plurality of push rods in a sliding manner, and the push rods are uniformly distributed along the central annular direction of the fixing frame; each push rod is connected with the movable disc through a connecting rod, and two ends of the connecting rod are hinged with the push rods and the movable disc respectively; the fixed support is provided with a first driving element, and the movable disk is driven to move through the first driving element. The two adjusting assemblies are longitudinally and concentrically arranged.

The fixing frame is fixedly provided with a guide rail, each push rod is fixedly provided with a corresponding sliding block, and the sliding blocks are in sliding connection with the guide rail. The front end of the connecting rod is fixed with a supporting foot. The movable plate is fixedly provided with a plurality of limit posts, and the end parts of the limit posts can prop against the fixing frame. The first driving element is a driving cylinder, and two ends of the driving cylinder are fixedly connected or hinged with the fixed bracket and the movable disk respectively; the driving cylinder is any one of a cylinder, an oil cylinder or an electric telescopic cylinder.

The electrode tube also comprises a positioning and clamping mechanism, and the outer rib plate of the electrode tube is clamped by the positioning and clamping mechanism. The positioning and clamping mechanism comprises a clamping bracket and a second driving element, a first clamping plate and a second clamping plate are arranged on the clamping bracket, the first clamping plate and the second clamping plate are oppositely arranged, the first clamping plate is fixedly connected with the clamping bracket, and the second clamping plate is in sliding connection with the clamping bracket; the second driving element is arranged on the clamping bracket and connected with the second clamping plate, and drives the second clamping plate to move through the second driving element; the clamping support is fixedly connected with the fixing support. The second driving element is a driving cylinder, and two ends of the driving cylinder are fixedly connected or hinged with the fixed bracket and the movable disk respectively; the driving cylinder is any one of a cylinder, an oil cylinder or an electric telescopic cylinder. The electrode tube welding positioning frame comprises a positioning frame body and first guide wheel groups, wherein the positioning frame body is an annular frame, the electrode tubes can be placed in the positioning frame body, a plurality of first guide wheel groups are arranged, and the first guide wheel groups are uniformly distributed along the center of the positioning frame body; the first guide wheel set comprises a first wheel frame and a positioning sheave, the positioning sheave is rotationally connected with the first wheel frame, and the first wheel frame is fixedly connected with a positioning frame body.

The positioning frame body comprises an upper ring frame and a lower ring frame, wherein the upper ring frame is fixedly connected with the lower ring frame through upright posts, and the upright posts are at least provided with two; the first guide wheel set is arranged on the upper ring frame. The upper ring frame comprises a fixed ring frame and a movable ring frame, the movable ring frame is rotationally connected with the fixed ring frame, a first rotary driving mechanism is arranged between the movable ring frame and the fixed ring frame, the movable ring frame is driven to rotate through the first rotary driving mechanism, and the first guide wheel set is arranged on the movable ring frame.

The first rotary driving mechanism is a gear rack mechanism. The lower ring frame is connected with a movable support frame in a sliding manner, a second rotary driving mechanism is arranged between the movable support frame and the lower ring frame, and the movable support frame is driven to rotate around the lower ring frame through the second rotary driving mechanism; the movable support frame is provided with a compressing telescopic cylinder, and the side wall of the electrode cylinder is compressed by the compressing telescopic cylinder. The compressing telescopic cylinder is connected with the movable supporting frame through a fixed connecting plate, the compressing telescopic cylinder is fixedly connected with the fixed connecting plate, the fixed connecting plate is rotationally connected with the movable supporting frame, a third rotary driving mechanism is arranged between the fixed connecting plate and the movable supporting frame, and the fixed connecting plate is driven to rotate through the third rotary driving mechanism.

The second rotary driving mechanism and the third rotary driving mechanism are both gear transmission mechanisms; the compressing telescopic cylinder is any one of an air cylinder, an oil cylinder or an electric telescopic cylinder, and a jacking block is fixed at the front end of the compressing telescopic cylinder.

The device also comprises a second guide wheel set, wherein a plurality of second guide wheel sets are uniformly distributed in the circumferential direction on the upper ring frame and the lower ring frame; the second guide wheel set comprises a second wheel frame, an inner roller and an outer roller, wherein the inner roller and the outer roller are both rotationally connected with the second wheel frame, and a space exists between the inner roller and the outer roller; the second wheel frame is fixedly connected with the upper ring frame or the lower ring frame.

The lifting mechanism is arranged between the fixed underframe and the positioning frame body, and the positioning frame body is driven to lift through the lifting mechanism. The lifting mechanism is a plurality of lifting cylinders, and two ends of each lifting cylinder are fixedly connected with the fixed underframe and the positioning frame body respectively; the lifting cylinder is any one of an air cylinder, an oil cylinder or an electric telescopic cylinder. The electrode package placing device comprises a stand column and a hook assembly, wherein the hook assembly comprises a connecting frame, a hook and a telescopic element, the connecting frame is hinged with the upper end of the stand column, and two ends of the telescopic element are respectively hinged with the connecting frame and the stand column; the hook is fixedly connected with the connecting frame.

The hook component is provided with two hook components. The hook comprises a hook body and a spring plate, wherein the hook body is fixedly connected with one end of the spring plate, and the other end of the spring plate is fixedly connected with the connecting frame. The two hooks are arranged, and a space exists between the two hooks. The telescopic element is still one of an electric telescopic cylinder, an oil cylinder or an air cylinder. The connecting frame is characterized by further comprising tension springs, two ends of each tension spring are respectively connected with the connecting frame and the upright post, corresponding connecting columns are respectively arranged on the connecting frame and the upright post, and the connecting frame is limited to rotate through the tension springs. The electrode package is characterized by further comprising a limiting frame, wherein the limiting frame is arranged on the side face of the upright post, and the electrode package can be placed on the limiting frame.

The limiting frame comprises a bottom plate and a vertical plate, wherein the vertical plate is L-shaped, and the lower end of the vertical plate is fixedly connected with the bottom plate. Still include the empty package rack, the empty package rack includes the support body and places the pole, place the one end and the support body fixed connection of pole. The front end of the placement rod is inclined downwards; and a stop lever is fixed on the placing rod.

Compared with the prior art, the utility model has the beneficial effects that:

the electrode tube transferring manipulator, the electrode tube placing and shaping device and the electrode tube welding positioning frame are arranged, so that transferring, shaping and welding of the electrode tube can be realized, the actual production requirement is met, and the manual operation is replaced by mechanical equipment.

The electrode cylinder is clamped and fixed through a plurality of clamping assemblies, and the moving mechanism drives the whole body to move; thereby ensuring the stability of the electrode cylinder during moving and placing; and the structure of the clamping assembly can conveniently fix and loosen the electrode cylinder, so that manual unhooking is avoided. The welding manipulator is arranged, and the welding operation can be performed after the electrode cylinder is placed. The lifting hook is arranged, so that the lifting of electrode paste (ton bag) can be realized through the manipulator.

The electrode cylinder to be shaped is sleeved on the electrode cylinder placing and shaping device, and the electrode cylinder is moved through the moving disc, so that a plurality of push rods are driven to move to shape the electrode cylinder. The positioning and clamping mechanism is arranged to position the electrode cylinder to be shaped.

The electrode tube can be aligned with the existing electrode tube below along the first guide wheel group. The upper ring frame comprises a fixed ring frame and a movable ring frame, when the electrode cylinder is placed, the electrode cylinder and the existing electrode cylinder are dislocated, and then are rotationally aligned, so that direct alignment can be avoided, and interference between fins on the electrode cylinder is caused. The compressing telescopic cylinder is arranged, so that the protruding parts can be propped up. The lifting mechanism is arranged, so that the electrode can be lowered according to the upper end position of the existing electrode cylinder, and welding between the two electrode cylinders is realized.

Through setting up the couple subassembly, can be in the state of "mentioning" with the string rope of ton bag, when hoist or manipulator moved to stand department, can directly hang away. Therefore, the complicated and unsafe condition that a worker lifts the hanging rope during lifting is avoided, the hanging rope is hung in advance, and the working efficiency is improved through direct lifting.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a schematic view of the overall structure of the electrode cartridge transfer robot of the present utility model;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

FIG. 5 is a schematic view of the structure in one direction at the third carriage;

FIG. 6 is a schematic view of another orientation at a third mobile carriage;

FIG. 7 is a partial enlarged view at B in FIG. 6;

FIG. 8 is a schematic view of a semi-sectional structure at a third mobile carriage;

FIG. 9 is a schematic view of the clamping mechanism of the present utility model;

FIG. 10 is a schematic view of the structure of the fourth drive assembly of the present utility model;

FIG. 11 is a schematic view of the electrode cartridge placement and shaping device of the present utility model;

FIG. 12 is an enlarged view of a portion of FIG. 11 at A;

FIG. 13 is a partial enlarged view at B in FIG. 11;

FIG. 14 is a front view of the electrode cartridge placement shaping device of the present utility model;

FIG. 15 is a schematic view showing a semi-sectional structure of an electrode cartridge placement and shaping device of the present utility model;

FIG. 16 is an enlarged view of a portion of FIG. 15 at C;

FIG. 17 is a schematic view of the connection structure of the fixed frame and the movable disk of the present utility model;

FIG. 18 is a schematic view of the structure of the holder of the present utility model;

FIG. 19 is a schematic view showing the use state of the electrode cartridge placement and shaping device of the present utility model;

FIG. 20 is a schematic view of the structure of the present utility model;

fig. 21 is a partial enlarged view of fig. 20 a;

FIG. 22 is a schematic view of the use of the present utility model;

FIG. 23 is a schematic view of the structure of a first guide wheel set of the present utility model;

FIG. 24 is a schematic view of the construction of a second guide wheel set of the present utility model;

FIG. 25 is a schematic view of the structure of the utility model in one direction of the compression telescoping cylinder;

FIG. 26 is a schematic view of another orientation of the inventive hold down telescoping cylinder;

FIG. 27 is a front view of the present utility model;

FIG. 28 is an isometric view of the present utility model;

fig. 29 is a partial enlarged view at a in fig. 28;

FIG. 30 is a schematic view of the structure of the blank holder of the present utility model;

FIG. 31 is a schematic view of the cross tool holder;

wherein: 10 is an electrode tube transfer manipulator, 101 is a moving mechanism, 102 is a clamping mechanism, 103 is a clamping bracket, 104 is a clamping assembly, 105 is a clamping arm, 106 is a pressing plate, 107 is a first fixed plate, 108 is a driving piece, 109 is a first moving frame, 1010 is a second moving frame, 1011 is a third moving frame, 1012 is a first driving assembly, 1013 is a second driving assembly, 1014 is a third driving assembly, 10140 is a screw rod, 10141 is a nut, 1015 is a connecting carriage, 1016 is an upper connecting frame, 1017 is a lower connecting frame, 1018 is a fourth driving assembly, 10180 is a gear ring, 10181 is a driving gear, 1019 is a welding manipulator, 1020 is a lifting hook, 1021 is a first telescopic cylinder, 1022 is a second fixed plate; 20 is an electrode tube placing and shaping device, 201 is a fixed bracket, 202 is an adjusting component, 203 is a fixed bracket, 204 is a movable disk, 205 is a push rod, 206 is a connecting rod, 207 is a first driving element, 208 is a guide rail, 209 is the slider, 2010 is the supporting legs, 2011 is the spacing post, 2012 is the location clamping mechanism, 2013 is the clamping bracket, 2014 is the second driving element, 2015 is the first clamping plate, 2016 is the second clamping plate; 30 is an electrode tube welding positioning frame, 301 is a positioning frame body, 302 is a first guide wheel set, 303 is a first wheel carrier, 304 is a positioning sheave, 305 is an upper ring frame, 306 is a lower ring frame, 307 is a column, 308 is a fixed ring frame, 309 is a movable ring frame, 3010 is a first rotary driving mechanism, 3011 is a movable supporting frame, 3012 is a second rotary driving mechanism, 3013 is a compression telescopic cylinder, 3014 is a fixed connecting plate, 3015 is a third rotary driving mechanism, 3016 is a second guide wheel set, 3017 is a second wheel carrier, 3018 is an inner roller, 3019 is an outer roller, 3020 is a fixed underframe, 3021 is a lifting mechanism; 40 is an electrode package placement device, 401 is a column, 402 is a hook component, 403 is a connecting frame, 404 is a hook, 405 is a telescopic element, 406 is a hook body, 407 is a spring plate, 408 is a tension spring, 409 is a position limiting frame, 4010 is a connecting column, 4011 is a bottom plate, 4012 is a vertical plate, 4013 is an empty package placement frame, 4014 is a frame body, 4015 is a placement rod, 4016 is a stop lever; 50 is an electrode cartridge; and 60 is a cross tool holder.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 and 2, the electrode tube welding and replacing device comprises an electrode tube transferring manipulator 10, an electrode tube placing and shaping device 20 and an electrode tube welding positioning frame 30, wherein the electrode tube welding positioning frame 30 is arranged at an electrode tube at the top of a calcium carbide furnace; the electrode cylinder to be welded can be shaped by the electrode cylinder placing and shaping device 20; the electrode tube transferring manipulator 10 can transfer the electrode tube to be welded after being shaped at the electrode tube placing shaping device 20 to the electrode tube welding positioning frame 30, and the electrode tube to be welded after being shaped and the electrode tube at the top of the calcium carbide furnace are positioned through the electrode tube welding positioning frame 30.

As shown in fig. 3 to 10, the electrode tube transfer robot 10 includes a moving mechanism 101 and a clamping mechanism 102, the clamping mechanism 102 is disposed on the moving mechanism 101, and the moving mechanism 101 drives the clamping mechanism 102 to move; i.e., the clamping mechanism 102 is moved to the place where the electrode cartridge is stored and where the electrode cartridge is to be welded.

The clamping mechanism 102 comprises a clamping bracket 103 and clamping assemblies 104, wherein a plurality of clamping assemblies 104 are arranged, and the clamping assemblies 104 are distributed along the central circumferential direction of the clamping bracket 103; the number of the clamping components 104 is set according to practical situations, and a plurality of clamping components 104 can ensure the stability of clamping.

The clamping assembly 104 comprises a clamping arm 105, a pressing plate 106 and a first fixing plate 107, wherein the clamping arm 105 is fixedly connected with the clamping bracket 103, the first fixing plate 107 is fixedly connected with the clamping arm 105, the pressing plate 106 is hinged with the clamping arm 105, the pressing plate 106 is connected with a driving piece 108, and the pressing plate 106 is driven to rotate and approach the first fixing plate 107 through the driving piece 108; during clamping, the side wall of the electrode cylinder is positioned between the first fixing plate 107 and the pressing plate 106, and the electrode cylinder is clamped through the pressing plate 106 and the first fixing plate 107.

When in use, the clamping mechanism 102 is driven by the moving mechanism 101 to move to a place where the electrode barrels are stored, and then the electrode barrels are clamped by the clamping assemblies 104; finally, the clamping mechanism 102 with the electrode cylinder clamped is moved to a place where the electrode cylinder needs to be welded by the moving mechanism 101.

Further, the driving member 108 is any one of a cylinder, an oil cylinder or an electric telescopic cylinder; the drive member 108 is hinged at both ends to the clamp arm 105 and the pressure plate 106, respectively. Taking a cylinder as an example, the cylinder body of the cylinder is hinged with the clamping arm 105, and the piston rod of the cylinder is hinged with the pressing plate 106; when the piston rod of the air cylinder stretches, the pressing plate 106 is driven to rotate, and the pressing plate 106 approaches to the first fixing plate 107, so that the side wall of the electrode cylinder is clamped.

Further, the above-described moving mechanism 101 may employ a triaxial moving mechanism 101 in the related art. The following structure is adopted:

the moving mechanism 101 comprises a first moving frame 109, a second moving frame 1010 and a third moving frame 1011, wherein the second moving frame 1010 is in sliding connection with the first moving frame 109, a first driving component 1012 is arranged between the second moving frame 1010 and the first moving frame 109, and the second moving frame 1010 is driven to move left and right along the first moving frame 109 through the first driving component 1012;

the third moving frame 1011 is slidably connected with the second moving frame 1010, and a second driving assembly 1013 is arranged between the third moving frame 1011 and the second moving frame 1010, and the third moving frame 1011 is driven to move back and forth along the second moving frame 1010 by the second driving assembly 1013;

the third movable frame 1011 is connected with a connecting sliding frame 1015 in a sliding manner, a third driving component 1014 is arranged between the connecting sliding frame 1015 and the third movable frame 1011, and the connecting sliding frame 1015 is driven to move up and down along the third movable frame 1011 through the third driving component 1014; the clamping bracket 103 is fixed on the connecting carriage 1015; that is, the clamping bracket 103 can be driven to move up and down, back and forth, and left and right by the above structure.

Further, the first driving unit 1012 and the second driving unit 1013 are both rack and pinion moving mechanism 101, and the common structural arrangement on the rack and pinion mechanism is well known to those skilled in the art, so the first driving unit 1012 is taken as an example here for brief description: a rack is fixed to the first moving frame 109, a gear is rotatably connected to the second moving frame 1010, the gear is engaged with the rack, and a corresponding motor is connected to the gear. The second driving unit 1013 is similarly fixed with a rack on the second moving frame 1010, and a gear is rotatably connected to the third moving frame 1011, the gear being engaged with the rack, and the gear being connected with a corresponding motor.

The third drive assembly 1014 is a screw lift mechanism, which is also well known to those skilled in the art: the device mainly comprises a screw rod and a nut 10141, wherein the screw rod is rotationally connected with a third movable frame 1011, the nut 10141 is connected with the screw rod, and the nut 10141 is fixedly connected with a connecting sliding frame 1015; the screw is connected with a corresponding motor, and the screw is driven to rotate through the motor.

Further, a welding robot 1019 is also included, and the welding robot 1019 is provided on the moving mechanism 101, specifically, on the third moving frame 1011. The welding manipulator 1019 is only required to adopt a structure common in the prior art; by providing the welding robot 1019, welding can be performed after placement.

Further, the third moving frame 1011 includes an upper connection frame 1016 and a lower connection frame 1017, the upper connection frame 1016 is slidably connected to the second moving frame 1010, and the second driving unit 1013 is disposed between the upper connection frame 1016 and the second moving frame 1010; the connection carriage 1015 is slidably connected to the lower connection frame 1017, and the third driving assembly 1014 is disposed between the connection carriage 1015 and the lower connection frame 1017; a fourth driving assembly 1018 is arranged between the upper connecting frame 1016 and the lower connecting frame 1017, and the lower connecting frame 1017 is driven to rotate by the fourth driving assembly 1018, so that the welding manipulator 1019 rotates along the electrode cylinder.

Further, the fourth driving assembly 1018 includes a gear ring 10180 and a driving gear 10181, the gear ring 10180 is fixedly connected with the lower connecting frame 1017, the driving gear 10181 is rotatably connected with the upper connecting frame 1016, the driving gear 10181 is meshed with the gear ring 10180, the driving gear 10181 is connected with a corresponding driving motor, and a housing of the driving motor is fixedly connected with the upper connecting frame 1016. The gear ring 10180 and the lower connecting frame 1017 are driven to rotate by the rotation of the driving gear 10181.

Further, in order to facilitate handling of the electrode package (electrode paste ton package), a hanging hook 1020 is provided on the holding bracket 103; the hanging rope of the ton bag can be hooked by the hanging hook 1020.

Further, the lifting hook 1020 is connected with a first telescopic cylinder 1021, and a cylinder body and a piston rod of the first telescopic cylinder 1021 are fixedly connected with the clamping bracket 103 and the lifting hook 1020 respectively. When the first telescopic cylinder 1021 moves up and down, and is matched with other tools such as a cross knife rest and a bayonet knife to puncture the ton bag, the feeding of the electrode paste is realized.

The specific structure of the cross tool rest can be set in actual conditions, for example, the structure in FIG. 31 can be adopted, and the cross tool rest can be placed on an electrode cylinder at a calcium carbide furnace; the electrode paste ton bag is directly leaked into the electrode cylinder after being punctured.

Further, a second fixing plate 1022 hinged to the pressing plate 106 is fixed to the clamping arm 105, a space exists between the second fixing plate 1022 and the first fixing plate 107, inclined planes are arranged at the lower ends of the second fixing plate 1022 and the first fixing plate 107, the inclined planes can play a certain guiding role, and an inverted v shape is formed between the first fixing plate 107 and the second fixing plate 1022.

As shown in fig. 11 to 19, the electrode tube placement and shaping device 20 comprises a fixed support 201 and an adjusting assembly 202, the adjusting assembly 202 comprises a fixed support 203 and a movable disk 204, the fixed support 201 is fixedly connected with the fixed support 203, and the movable disk 204 is slidably connected with the fixed support 201; a plurality of push rods 205 are connected to the fixing frame 203 in a sliding manner, and the plurality of push rods 205 are evenly distributed along the central annular direction of the fixing frame 203; the number of push rods 205 is set according to actual conditions; such as six.

Each push rod 205 is connected with the movable disc 204 through a connecting rod 206, and two ends of the connecting rod 206 are respectively hinged with the push rods 205 and the movable disc 204; the fixed support 201 is provided with a first driving element 207, and the movable disk 204 is driven to move by the first driving element 207.

When in use, the electrode cylinder to be shaped is sleeved outside the shaping device, then the first driving element 207 drives the moving disc 204 to move, and when the moving disc 204 moves, the connecting rods 206 drive the push rods 205 to move; each push rod 205 moves to push the electrode cartridge outward, thereby reshaping the electrode cartridge.

A variety of structures may be employed to achieve a sliding connection between the movable disk 204 and the stationary disk, such as: corresponding guide posts are arranged on the fixed support 201; the movable disk 204 is slidably connected to the guide post.

Further, two adjusting assemblies 202 are provided, and the two adjusting assemblies 202 have the same structure; the two adjustment assemblies 202 are longitudinally concentrically arranged; the range of shaping can be increased.

Further, various structures may be adopted to realize sliding connection, for example, a guide rail 208 is fixed on the fixing frame 203, and a corresponding sliding block 209 is fixed on each push rod 205, and the sliding block 209 is in sliding connection with the guide rail 208.

Further, a support leg 2010 is fixed to the front end of the connection rod 206; the support legs 2010 may be rounded to better conform to the inner surface of the electrode cartridge.

Further, in order to prevent the movement of the moving disc 204 from exceeding the limit, a plurality of limit posts 2011 are fixed on the moving disc 204, and the end portions of the limit posts 2011 can prop against the fixing frame 203, so as to limit the movement of the moving disc 204 and play a limiting role.

Further, the first driving element 207 is a driving cylinder, and two ends of the driving cylinder are fixedly connected or hinged to the fixed support 201 and the moving disc 204, respectively; the driving cylinder is any one of a cylinder, an oil cylinder or an electric telescopic cylinder. I.e. the movement of the moving disc 204 is achieved by the telescoping of the telescoping cylinder.

Further, in order to ensure that the position of the electrode tube is placed correctly, a positioning and clamping mechanism 2012 is further included, and the outer rib plate of the electrode tube is clamped through the positioning and clamping mechanism 2012, so that the positioning function is achieved.

Further, the positioning and clamping mechanism 2012 includes a clamping bracket 2013 and a second driving element 2014, wherein a first clamping plate 2015 and a second clamping plate 2016 are disposed on the clamping bracket 2013, and the clamping bracket 2013 is fixedly connected with the fixing bracket 201.

The first clamping plate 2015 and the second clamping plate 2016 are oppositely arranged, the first clamping plate 2015 is fixedly connected with the clamping bracket 2013, and the second clamping plate 2016 is in sliding connection with the clamping bracket 2013; a second driving member 2014 is provided on the clamping bracket 2013 and is coupled to the second clamping plate 2016, and the second clamping plate 2016 is driven to move beyond the first clamping plate 2015 by the second driving member 2014. After the electrode tube is placed, the second driving element 2014 drives the second clamping plate 2016 to move, so that the second clamping plate 2016 and the first clamping plate 2015 clamp the rib plate of the electrode tube, and the electrode tube can be positioned.

Further, similarly, the second driving element 2014 is a driving cylinder, and two ends of the driving cylinder are respectively fixedly connected or hinged with the fixed bracket 201 and the moving disc 204; the driving cylinder is any one of a cylinder, an oil cylinder or an electric telescopic cylinder.

As shown in fig. 20 to 26, the electrode tube welding positioning frame 30 comprises a positioning frame body 301 and first guide wheel groups 302, the positioning frame body 301 is an annular frame, the electrode tube can be placed in the positioning frame body 301, the first guide wheel groups 302 are provided with a plurality of first guide wheel groups 302, and the plurality of first guide wheel groups 302 are uniformly distributed along the center of the positioning frame body 301; the first guiding wheel set 302 includes a first wheel carrier 303 and a positioning sheave 304, the positioning sheave 304 is rotationally connected with the first wheel carrier 303, and the first wheel carrier 303 is fixedly connected with the positioning frame body 301.

The number of the first guiding wheel sets 302 is set according to practical situations, such as space or the number of ribs on the electrode barrel; preferably one rib for each first guide wheel set 302.

When in use, the positioning frame body 301 is fixed at the existing electrode cylinder at the top of the calcium carbide furnace, and the electrode cylinder is positioned in the positioning frame body 301, and the centers of the positioning frame body and the electrode cylinder are overlapped. Specific: the three electrode cylinders at the top of the calcium carbide furnace are provided with a set of device.

When the electrode barrels need to be welded, the electrode barrels to be welded are transported to the upper part of the positioning frame body 301, then the convex ribs on the electrode barrels to be welded are placed in the positioning grooved wheels 304, and finally the electrode barrels move downwards along the grooved wheels, so that the alignment between the two electrode barrels can be realized, and then the welding fixation between the two electrode barrels can be carried out.

Further, the positioning frame body is preferably arranged in a structure comprising an upper ring frame 305 and a lower ring frame 306, wherein the upper ring frame 305 and the lower ring frame 306 are fixedly connected through upright posts 307, and the upright posts 307 are at least two; the first guide wheel set 302 is disposed on the upper ring frame 305.

Further, the upper ring frame 305 includes a fixed ring frame 308 and a movable ring frame 309, the movable ring frame 309 is rotatably connected with the fixed ring frame 308, a first rotary driving mechanism 3010 is disposed between the movable ring frame 309 and the fixed ring frame 308, the movable ring frame 309 is driven to rotate by the first rotary driving mechanism 3010, and the first guide wheel set 302 is disposed on the movable ring frame 309.

The movable ring frame 309 is driven to rotate by a certain angle through the first rotary driving mechanism 3010, even if a certain dislocation exists between the two electrode cylinders; after rotating for a certain angle, transferring the electrode cylinder to be welded to the upper part of the positioning frame body 301, then placing the convex ribs on the electrode cylinder to be welded in each positioning grooved wheel 304, and finally moving downwards along the grooved wheels, wherein certain dislocation exists between the two electrode cylinders after the lower surface of the electrode cylinder to be welded is attached to the upper surface of the existing electrode cylinder, and the purpose of the dislocation is to prevent interference and even deformation between fins on the electrode cylinders; after bonding, the electrode cylinder to be welded can be driven to rotate by the first rotary driving mechanism 3010, so that the electrode cylinder is bonded with the existing electrode cylinder.

Further, the first rotary driving mechanism 3010 may be implemented by various structures in the prior art, such as a gear mechanism, a turntable, etc.; preferably a rack and pinion mechanism is employed; the structural arrangement of the rack and pinion mechanism is well known to those skilled in the art and will be briefly described herein; because the circular ring frame is an arc-shaped rack, the arc-shaped rack is fixed on the fixed circular ring frame 308, a gear is rotatably arranged on the movable circular ring frame 309 and meshed with the arc-shaped rack, the gear is connected with a corresponding motor, an output shaft of the motor is fixedly connected with the gear, and the movable circular ring frame 309 is rotated through rotation of the gear.

Further, a movable supporting frame 3011 is slidably connected to the lower ring frame 306, a second rotary driving mechanism 3012 is arranged between the movable supporting frame 3011 and the lower ring frame 306, and the movable supporting frame 3011 is driven to rotate around the lower ring frame 306 by the second rotary driving mechanism 3012; the movable supporting frame 3011 is provided with a pressing telescopic cylinder 3013, and the side wall of the electrode tube is pressed by the pressing telescopic cylinder 3013.

Because the wall of the electrode cylinder is thinner, the electrode cylinder is extremely easy to deform; thus, even after the two are aligned, the sidewalls of the two are still not completely aligned; therefore, the side wall of the electrode tube is pressed by the pressing expansion cylinder 3013, and the protruding portion is pushed back, and then welding is performed. Specific: the compression telescoping cylinder 3013 is located between the two electrode barrels, i.e., at the weld.

Meanwhile, a second rotary driving mechanism 3012 is arranged and can drive the movable supporting frame 3011 and the compression telescopic cylinder 3013 on the movable supporting frame 3011 to move to a part to be compressed according to requirements.

Further, the compressing and telescoping cylinder 3013 is connected with the movable supporting frame 3011 through a fixed connection plate 3014, the compressing and telescoping cylinder 3013 is fixedly connected with the fixed connection plate 3014, the fixed connection plate 3014 is rotationally connected with the movable supporting frame 3011, a third rotary driving mechanism 3015 is arranged between the fixed connection plate 3014 and the movable supporting frame 3011, and the fixed connection plate 3014 is driven to rotate through the third rotary driving mechanism 3015; in order to prevent unnecessary interference between the pressing telescopic cylinder 3013 and other components or electrode barrels when moving; therefore, in the moving process, the fixed connection plate 3014 and the compression telescopic cylinder 3013 on the fixed connection plate are driven to rotate through the third rotary drive, so that the compression telescopic cylinder 3013 is at a proper angle, and interference with other parts or electrode barrels, such as tangential angles with the electrode barrels, is avoided.

Further, the second rotary drive mechanism 3012 and the third rotary drive mechanism 3015 are both gear transmission mechanisms; the second rotary driving mechanism 3012 specifically comprises a rack and a gear ring, the rack is meshed with the gear ring, the gear ring is fixed on the fixed connection plate 3014, the rack is in sliding connection with the movable support frame 3011, a corresponding air cylinder (which can be replaced by an oil cylinder or an electric telescopic cylinder) is arranged on the movable support frame 3011, two ends of the air cylinder are respectively fixedly connected or hinged with the rack and the movable support frame 3011, and the movement of the rack is driven through the telescopic action of the air cylinder, so that the rotation of the fixed connection plate 3014 is realized.

Of course, the second rotary driving mechanism 3012 may be implemented by a rotary disk or other conventional rotary driving mechanism.

Further, the compression telescopic cylinder 3013 is any one of an air cylinder, an oil cylinder or an electric telescopic cylinder; further, in order to increase the contact surface, a top block is fixed to the front end of the compression expansion cylinder 3013.

Further, in order to further improve the positioning effect, the electrode cylinder to be welded is placed to shake; the upper ring frame 305 and the lower ring frame 306 are fixedly provided with a plurality of second guide wheel groups 3016 which are uniformly distributed in the circumferential direction; the second guide wheel set 3016 comprises a second wheel frame 3017, an inner roller 3018 and an outer roller 3019, wherein the inner roller 3018 and the outer roller 3019 are both in rotary connection with the second wheel frame 3017, a space exists between the inner roller 3018 and the outer roller 3019, and ribs of the electrode tube can be arranged at the space; the second wheel frame 3017 is fixedly coupled to either the upper ring frame 305 or the lower ring frame 306.

Further, the fixing frame 3020 is further included, a lifting mechanism 3021 is provided between the fixing frame 3020 and the positioning frame body 301, and the positioning frame body 301 is driven to lift by the lifting mechanism 3021. When the height of the upper end of the existing electrode tube on the electric furnace is too low, the lifting mechanism 3021 drives the positioning frame body 301 to descend, the upper end of the positioning frame body is exposed, and then welding is performed.

Further, the lifting mechanism 3021 is a plurality of lifting cylinders, and two ends of each lifting cylinder are fixedly connected with the fixed underframe 3020 and the positioning frame body 301 respectively; the lifting cylinder is any one of a cylinder, an oil cylinder or an electric telescopic cylinder.

As shown in fig. 27 to 30, the electrode package placement device 40 includes a column 401 and a hook assembly 402, the hook assembly 402 includes a connection frame 403, a hook 404, and a telescopic member 405, the connection frame 403 is hinged to the upper end of the column 401, and both ends of the telescopic member 405 are respectively hinged to the connection frame 403 and the column 401; the connection frame 403 can be driven to rotate by the telescopic element 405 to change from horizontal to vertical or from vertical to horizontal. The hook 404 is fixedly connected with the connecting frame 403.

In use, the connecting frame 403 is rotated to a vertical (upright) state by extending the telescopic element 405; the electrode package is then transported to the column 401; the telescopic element 405 is retracted to enable the connecting frame 403 to rotate to be in a horizontal state, and finally the hanging rope on the ton bag is hung on the hanging hook 404 through a worker. Therefore, when the material is needed to be fed, the crane can be directly hooked on the hanging rope.

Further, the two hook assemblies 402 can be used for hanging the hanging ropes of the two ton bags, so that the number of the ton bags is increased.

Further, the hook 404 includes a hook body 406 and a spring plate 407, the hook body 406 is fixedly connected with one end of the spring plate 407, and the other end of the spring plate 407 is fixedly connected with the connecting frame 403. The spring plate 407 is arranged, so that the hook body 406 can be pressed down, and the hanging rope of the ton bag can be conveniently hooked through the hook body 406.

Further, two hooks 406 are arranged, and a space exists between the two hooks 406, so that the hanging rope can be n-shaped after being hung, and the hooks of the lifting appliance can be conveniently hooked.

Further, the telescoping element 405 is still one of an electric telescoping cylinder, an oil cylinder, or a gas cylinder; taking a cylinder as an example, a cylinder body of the cylinder is hinged with the upright post 401, and a piston rod of the cylinder body is hinged with the connecting frame 403.

Further, the bicycle comprises a tension spring 408, two ends of the tension spring 408 are respectively connected with the connecting frame 403 and the upright post 401, corresponding connecting posts 4010 are respectively arranged on the connecting frame 403 and the upright post 401, and the connecting frame 403 is limited to rotate through the tension spring 408, so that the bicycle is like the structural arrangement of a spring at the support leg of the bicycle; when the connecting frame 403 rotates, the connecting frame 403 needs to overcome the resistance of the tension spring 408 (stretching) to rotate, so that the connecting frame 403 can drop under gravity and hit a worker after the telescopic element 405 (such as a cylinder) loses a power source (air source).

Further, the electrode package positioning device also comprises a limiting frame 409, wherein the limiting frame 409 is arranged on the side surface of the upright post 401, and an electrode package can be placed on the limiting frame 409 to play a role in positioning; the ton bag is placed on the limiting frame 409, and then the hanging rope on the ton bag is hung on the hanging hook 404.

Further, the limiting frame 409 includes a bottom plate 4011 and a vertical plate 4012, the vertical plate 4012 is L-shaped, and the lower end of the vertical plate 4012 is fixedly connected with the bottom plate 4011; when the ton bag is placed, the outer surface of the ton bag is attached to the inner surface of the vertical plate 4012.

Further, the above structure is used for placing an electrode package (ton bag) containing an electrode paste; however, after charging, the empty ton bags are required to be stored; therefore, as shown in fig. 30, the empty bag placement frame 4013 is further included, the empty bag placement frame 4013 includes a frame body 4014 and a placement rod 4015, and one end of the placement rod 4015 is fixedly connected with the frame body 4014. The empty ton bag can be stored by hanging the hanging rope on the placement rod 4015 by a mechanical arm.

Further, the front end of the placement rod 4015 is inclined downward; the placing rod 4015 is fixedly provided with a stop rod 4016, and the hanging rope can be shielded through the stop rod 4016 and is placed to fall off.

The preferred embodiments of the present utility model have been described in detail, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model, and the various changes are included in the scope of the present utility model.

Claims (10)

1. An electrode tube welding replacement device which is characterized in that: the electrode tube welding positioning frame (30) is arranged at the electrode tube at the top of the calcium carbide furnace; the electrode cylinder to be welded can be shaped through an electrode cylinder placing shaping device (20); the electrode tube transferring manipulator (10) can transfer the electrode tube to be welded after being shaped at the electrode tube placing shaping device (20) to the electrode tube welding positioning frame (30), and the electrode tube to be welded after being shaped and the electrode tube at the top of the calcium carbide furnace are positioned through the electrode tube welding positioning frame (30).

2. The electrode cartridge welding replacement apparatus of claim 1 wherein: the electrode paste ton bag is placed at the electrode bag placing device (40); the electrode paste ton bag at the electrode bag placing device (40) can be transferred to the electrode cylinder at the top of the calcium carbide furnace through the electrode cylinder transferring manipulator (10).

3. The electrode cartridge welding replacement apparatus of claim 1 wherein: the electrode tube transferring manipulator (10) comprises a moving mechanism (101) and a clamping mechanism (102), wherein the clamping mechanism (102) is arranged on the moving mechanism (101), and the clamping mechanism (102) is driven to move by the moving mechanism (101); the clamping mechanism (102) comprises a clamping support (103) and clamping assemblies (104), wherein a plurality of clamping assemblies (104) are arranged, and the clamping assemblies (104) are distributed along the central circumferential direction of the clamping support (103); clamping assembly (104) are including centre gripping arm (105), clamp plate (106) and first fixed plate (107), centre gripping arm (105) and centre gripping support (103) fixed connection, first fixed plate (107) and centre gripping arm (105) fixed connection, clamp plate (106) are articulated with centre gripping arm (105), clamp plate (106) are connected with driving piece (108), rotatory and be close to first fixed plate (107) through driving piece (108) drive clamp plate (106), carry out the centre gripping to the electrode section of thick bamboo through clamp plate (106) and first fixed plate (107).

4. A cartridge welding replacement apparatus according to claim 3, wherein: also comprises a welding manipulator (1019), wherein the welding manipulator (1019) is arranged on the moving mechanism (101).

5. The electrode cartridge welding replacement apparatus of claim 1 wherein: the electrode tube placing and shaping device (20) comprises a fixed support (201) and an adjusting assembly (202), wherein the adjusting assembly (202) comprises a fixed support (203) and a movable disc (204), the fixed support (201) is fixedly connected with the fixed support (203), and the movable disc (204) is slidably connected with the fixed support (201); a plurality of push rods (205) are connected to the fixing frame (203) in a sliding manner, and the plurality of push rods (205) are evenly distributed along the central annular direction of the fixing frame (203); each push rod (205) is connected with the movable disc (204) through a connecting rod (206), and two ends of the connecting rod (206) are respectively hinged with the push rods (205) and the movable disc (204); the fixed support (201) is provided with a first driving element (207), and the moving plate (204) is driven to move through the first driving element (207).

6. The electrode cartridge welding replacement apparatus of claim 5 wherein: the electrode tube also comprises a positioning and clamping mechanism (2012) for clamping the outer rib plate of the electrode tube through the positioning and clamping mechanism (2012); the positioning and clamping mechanism (2012) comprises a clamping bracket (2013) and a second driving element (2014), a first clamping plate (2015) and a second clamping plate (2016) are arranged on the clamping bracket (2013), the first clamping plate (2015) and the second clamping plate (2016) are oppositely arranged, the first clamping plate (2015) is fixedly connected with the clamping bracket (2013), and the second clamping plate (2016) is slidably connected with the clamping bracket (2013); the second driving element (2014) is arranged on the clamping bracket (2013) and connected with the second clamping plate (2016), and the second clamping plate (2016) is driven to move by the second driving element (2014); the clamping support (2013) is fixedly connected with the fixing support (201).

7. The electrode cartridge welding replacement apparatus of claim 1 wherein: the electrode tube welding positioning frame (30) comprises a positioning frame body (301) and first guide wheel groups (302), wherein the positioning frame body (301) is an annular frame, an electrode tube can be placed in the positioning frame body (301), a plurality of first guide wheel groups (302) are arranged, and the first guide wheel groups (302) are uniformly distributed along the center of the positioning frame body (301); the first guide wheel set (302) comprises a first wheel frame (303) and a positioning sheave (304), the positioning sheave (304) is rotationally connected with the first wheel frame (303), and the first wheel frame (303) is fixedly connected with the positioning frame body (301).

8. The electrode cartridge welding replacement apparatus of claim 7 wherein: the positioning frame body comprises an upper ring frame (305) and a lower ring frame (306), wherein the upper ring frame (305) and the lower ring frame (306) are fixedly connected through upright posts (307), and the upright posts (307) are at least provided with two; the first guide wheel set (302) is arranged on the upper ring frame (305);

the upper ring frame (305) comprises a fixed ring frame (308) and a movable ring frame (309), the movable ring frame (309) is rotationally connected with the fixed ring frame (308), a first rotary driving mechanism (3010) is arranged between the movable ring frame (309) and the fixed ring frame (308), the movable ring frame (309) is driven to rotate through the first rotary driving mechanism (3010), and the first guide wheel set (302) is arranged on the movable ring frame (309).

9. The electrode cartridge welding replacement apparatus of claim 2 wherein: the electrode package placement device (40) comprises a stand column (401) and a hook assembly (402), wherein the hook assembly (402) comprises a connecting frame (403), a hook (404) and a telescopic element (405), the connecting frame (403) is hinged with the upper end of the stand column (401), and two ends of the telescopic element (405) are respectively hinged with the connecting frame (403) and the stand column (401); the hook (404) is fixedly connected with the connecting frame (403).

10. The electrode cartridge welding replacement apparatus of claim 9 wherein: the hook (404) comprises a hook body (406) and a spring plate (407), wherein the hook body (406) is fixedly connected with one end of the spring plate (407), and the other end of the spring plate (407) is fixedly connected with the connecting frame (403).

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