Folding type molten steel sampling device

Abstract

The utility model discloses a folding type molten steel sampling device, and belongs to the technical field of steel smelting auxiliary equipment. The provided folding type-based molten steel sampling device comprises a first bracket, a second bracket, a third bracket, four fourth brackets, a fifth bracket, a sixth bracket, sixty-eight screws, four rotating shafts, four connecting rods, eight linear bearings, eight rolling bearings, four wheels and twenty hinges, the device can realize the purpose of vacuum sampling of molten steel, and has the characteristics of low manufacturing cost, simplicity in operation and good use effect.

Description

Technical Field

[0001] The utility model belongs to the technical field of auxiliary equipment for steel smelting, and in particular relates to a foldable molten steel sampling device. Background Art

[0002] At present, the chemical composition, gas content and inclusion composition of molten steel are important references for process control in the steelmaking process. Therefore, extracting a certain amount of molten steel from the ladle as a sample has become an important process in the steel production process. The usual molten steel sampler includes a suspension rod, a vertical rod and a sampling cup. The sampling cup is fixed at one end of the vertical rod, and the other end of the vertical rod is flexibly connected to the suspension rod. When in use, the operator grabs the suspension rod to immerse the sampling cup in the molten steel, and then takes out the sampling cup filled with molten steel. After the molten steel solidifies, the corresponding physical and chemical properties are tested so that the process parameters can be adjusted in time. Since the sampler is far away from the ladle opening, the suspension rod usually has a certain inclination angle. Under the action of the gravity torque of the sampling cup, the slender suspension rod will bend. In this way, the sampling cup may bump into the lining material of the ladle, and the existing technical device cannot achieve the purpose of vacuum sampling.

[0003] Document CN201420319410.8 discloses a mobile clean molten steel sampling device in a smelting process, which includes a sampling steel cup, a spring, a pressure plate, a positioning rod, a crossbar, a nut, a screw, a motor, a bracket, a sampling vehicle, a sliding sleeve, a connecting rod, a rotating shaft, a curved clamping plate, a curved tooth, a guide rail and a pin. Although the device can realize automatic control and achieve the goal of quickly extracting molten steel, it cannot realize vacuum sampling. Document CN201520751214.2 discloses a molten steel sampler, which includes a vertical pole, a sampling cup, an outer suspension rod, an inner suspension rod, a clip, a hinge shaft, a torsion spring, a chuck, a plug and a slider. Although the device can adjust the length of the suspension rod and the vertical pole, it cannot realize vacuum sampling. Document CN201911001221.X discloses a continuous molten steel sampler of different depths, which includes an outer sleeve, a slider, a control rod, a support rod, a connecting plate, a wire rope, a driving wheel, a driven wheel, a motor, a lifting plate, a gear, a rack, a mounting frame, a base, a rotating wheel and a lead screw. Although the device can quickly extract molten steel samples of different depths, it cannot achieve vacuum sampling. Utility Model Content

[0004] In order to overcome one or more problems existing in the prior art, the utility model provides a foldable molten steel sampling device, in which the use of linear bearings can realize the movement of the sixth bracket according to a predetermined trajectory, and the combined use of the fourth bracket, rolling bearings, rotating shaft and hinge can realize the positioning and swinging of the connecting rod; the use of screws can realize the linkage between the fourth bracket and the third bracket, and can also realize the linkage between the fifth bracket, linear bearings, the first bracket and the fourth bracket; the use of the fifth bracket can realize the relative setting of the fourth bracket, and the use of the third bracket can realize the relative setting of the fourth bracket and the horizontal movement of the device; the combined use of the first bracket and the sixth bracket can realize the positioning of the second bracket and the vacuum sampling of molten steel. Therefore, the use effect of the device of the utility model is relatively good.

[0005] The technical solution adopted by the utility model to solve its technical problem is as follows.

[0006] The foldable molten steel sampling device provided by the utility model comprises: a first bracket, a second bracket, a third bracket, four fourth brackets, a fifth bracket, a sixth bracket, sixty-eight screws, four rotating shafts, four connecting rods, eight linear bearings, eight rolling bearings, four wheels and twenty hinges;

[0007] The first bracket is composed of a first body and four first bosses connected together, the first body and the first bosses are both rectangular parallelepiped symmetrical structures, and the four first bosses are simultaneously located on the upper end surface of the first body; a cylindrical first through hole is provided in the middle of the first body, and the second boss of the second bracket is penetrated in the first through hole; a cylindrical second through hole is provided at the upper end of the first boss, and the screw is penetrated in the second through hole;

[0008] The second bracket is composed of a second body and a second boss connected together, the second body and the second boss are both cylindrical symmetrical structures, and the second boss is located at the lower end surface of the second body; a truncated cone-shaped third through hole is provided at the axial position of the second body, and the twelfth boss of the sixth bracket is penetrated in the third through hole; a truncated cone-shaped first groove is provided on the upper end surface of the second boss, and the twelfth boss of the sixth bracket is penetrated in the first groove, and the first groove and the third through hole are coaxially connected;

[0009] The third bracket is composed of a fourth body, four fourth bosses and four fifth bosses, the fourth body, the fourth boss and the fifth boss are all rectangular symmetrical structures, the four fourth bosses are simultaneously located on the lower end surface of the fourth body, and the four fifth bosses are respectively located on the lower end surfaces of the four fourth bosses; a fifth rectangular through hole is provided in the middle position of the fourth body, and the sixth bracket is penetrated in the fifth through hole; a second rectangular groove is provided on the lower end surface of the fifth boss, and the wheel is penetrated in the second groove; a sixth cylindrical through hole is provided on the front and rear sides of the second groove, respectively, and the hinge is penetrated in the sixth through hole; four first screw holes are symmetrically provided on the fifth boss, and the screws are screwed in the first screw holes;

[0010] The fourth bracket is composed of a fifth body, two sixth bosses and two seventh bosses connected together, the fifth body, the sixth boss and the seventh boss are all rectangular parallelepiped symmetrical structures, the two sixth bosses are simultaneously located on the left end surface of the fifth body, and the two seventh bosses are simultaneously located on the right end surface of the fifth body; a rectangular parallelepiped through groove can be formed between the two sixth bosses, and the fifth boss of the third bracket or the ninth boss of the fifth bracket is penetrated in the through groove; the sixth boss is symmetrically provided with four cylindrical seventh through holes, and the screw is penetrated in the seventh through hole; the rear end surface of the seventh boss is provided with a cylindrical third groove, and the rolling bearing is penetrated in the third groove; the axial position of the third groove is provided with a cylindrical eighth through hole, and the bearing section of the rotating shaft is penetrated in the eighth through hole;

[0011] The fifth bracket is composed of a seventh body, two ninth bosses and four tenth bosses, the seventh body, the ninth boss and the tenth boss are all rectangular parallelepiped symmetrical structures, the two ninth bosses are simultaneously located on the left end surface of the seventh body, and the four tenth bosses are simultaneously located on the lower end surface of the seventh body; the seventh body is symmetrically provided with four cylindrical twelfth through holes, and the eighth boss of the linear bearing is penetrated through the twelfth through holes; four second screw holes are evenly provided around the twelfth through hole, and the screws are screwed into the second screw holes; the ninth boss is symmetrically provided with four third screw holes, and the screws are screwed into the third screw holes; the tenth boss is provided with a fourth screw hole, and the screws are screwed into the fourth screw holes;

[0012] The sixth bracket is composed of an eighth body, four eleventh bosses and a twelfth boss connected together, the eighth body is a rectangular parallelepiped symmetrical structure, the four eleventh bosses are simultaneously located on the upper end surface of the eighth body, and the twelfth boss is located on the lower end surface of the eighth body; the eleventh boss is a cylindrical symmetrical structure, which is used to penetrate the eleventh through hole of the linear bearing; the twelfth boss is a truncated cone symmetrical structure, which is used to penetrate the third through hole and the first groove of the second bracket;

[0013] The rotating shaft is composed of bearing sections located at both ends and a clamping section located in the middle, the bearing section is a cylindrical symmetrical structure, used to penetrate the rolling bearing; the clamping section is a regular octagonal symmetrical structure, used to penetrate the ninth through hole of the connecting rod; the clamping section is symmetrically provided with two groups of four cylindrical fourth through holes, and the hinge is penetrated in the fourth through hole;

[0014] The connecting rod is a rectangular parallelepiped symmetrical structure, and two regular octahedral ninth through holes are symmetrically provided on the connecting rod, and the locking section of the rotating shaft is penetrated in the ninth through hole;

[0015] The linear bearing is composed of a sixth body and an eighth boss, and the eighth boss is located on the upper end surface of the sixth body; the sixth body is a rectangular symmetrical structure, and the sixth body is symmetrically provided with four cylindrical tenth through holes, and the screw is penetrated through the tenth through hole; the eighth boss is a cylindrical symmetrical structure, and the axial position of the eighth boss is provided with a cylindrical eleventh through hole, and the eleventh through hole is penetrated by the eleventh boss of the sixth bracket, and the eleventh through hole also runs through the sixth body; a retaining frame, balls and retaining rings are also provided in the eighth boss, and a plurality of balls are evenly arranged in the retaining frame, and the retaining rings are provided at both ends of the retaining frame.

[0016] In some embodiments, the screw is composed of a coaxial third body and a third boss, the third body and the third boss are both cylindrical symmetrical structures, and the third boss is located at the rear end face of the third body; the end of the third boss is provided with a thread for screwing into the first screw hole of the third bracket, the second screw hole of the fifth bracket, the third screw hole or the fourth screw hole.

[0017] In some embodiments, the rolling bearing, the wheel and the hinge are all standard parts.

[0018] The beneficial effects of the utility model are as follows:

[0019] 1) The foldable molten steel sampling device provided by the utility model includes a first bracket, a second bracket, a third bracket, four fourth brackets, a fifth bracket, a sixth bracket, sixty-eight screws, four rotating shafts, four connecting rods, eight linear bearings, eight rolling bearings, four wheels and twenty hinges. Since the material is common and easy to process and shape, the manufacturing cost of the device of the utility model is relatively low.

[0020] 2) When the utility model is used, assuming that the fifth bracket is in a high position initially, the third bracket car is moved in the horizontal direction so that the first bracket and the second bracket can face the ladle, and the twelfth boss of the sixth bracket is always inserted into the third through hole and the first groove of the second bracket; ① and ② are rotated 180 degrees in the clockwise direction at the same time, and the corresponding four connecting rods are swung 180 degrees in the clockwise direction at the same time, and the second bracket can pass through the slag layer and be completely immersed in the molten steel. The twelfth boss of the sixth bracket is pulled out from the third through hole and the first groove of the second bracket along the eleventh through hole of the eight linear bearings, and the molten steel will fill the first groove and the third through hole of the second bracket. Therefore, the operation of the utility model device is relatively simple.

[0021] 3) The device of the utility model is designed with a symmetrical structure. The use of linear bearings can realize the movement of the sixth bracket according to a predetermined trajectory. The combined use of the fourth bracket, rolling bearings, rotating shaft and hinge can realize the positioning and swinging of the connecting rod. The use of screws can realize the linkage between the fourth bracket and the third bracket, and the linkage between the fifth bracket, linear bearings, the first bracket and the fourth bracket. The use of the fifth bracket can realize the relative setting of the fourth bracket, and the use of the third bracket can realize the relative setting of the fourth bracket and the horizontal movement of the device. The combined use of the first bracket and the sixth bracket can realize the positioning of the second bracket and the vacuum sampling of molten steel. Therefore, the use effect of the device of the utility model is relatively good.

[0022] The foldable molten steel sampling device provided by the utility model can achieve the purpose of vacuum sampling of molten steel. The device of the utility model has the characteristics of low manufacturing cost, simple operation and good use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the main structure of the foldable molten steel sampling device of the utility model when the fifth bracket is in a high position;

[0024] Figure 2 It is a left-side structural schematic diagram of the foldable molten steel sampling device of the utility model when the fifth bracket is in a high position;

[0025] Figure 3It is a schematic diagram of the main structure of the foldable molten steel sampling device of the utility model when the fifth bracket is in a horizontal position;

[0026] Figure 4 It is a schematic diagram of the structure of the foldable molten steel sampling device of the utility model when the fifth bracket is in a horizontal position;

[0027] Figure 5 It is a schematic diagram of the main structure of the foldable molten steel sampling device of the utility model when the fifth bracket is in a low position;

[0028] Figure 6 It is a left-side structural schematic diagram of the foldable molten steel sampling device of the utility model when the fifth bracket is in a low position;

[0029] Figure 7 This is a schematic diagram of the main structure of the first bracket of the utility model;

[0030] Figure 8 It is a schematic diagram of the top view of the structure of the first bracket of the utility model;

[0031] Fig. 9 This is a schematic diagram of the main structure of the second bracket of the utility model;

[0032] Fig.10 It is a schematic diagram of the top view of the second bracket of the utility model;

[0033] Fig.11 It is a left-side structural schematic diagram of the screw of the utility model;

[0034] Fig.12 It is a left-side structural schematic diagram of the rotating shaft of the utility model;

[0035] Fig.13 This is a schematic diagram of the main structure of the third bracket and the wheel after being assembled in the utility model;

[0036] Fig.14 It is a left-side structural schematic diagram of the third bracket and the wheel of the utility model after being assembled;

[0037] Fig.15 This is a bottom view of the structure after the third bracket and the wheels of the utility model are assembled;

[0038] Fig.16 This is a schematic diagram of the main structure of the fourth bracket of the utility model;

[0039] Fig.17 It is a schematic diagram of the top view of the structure of the fourth bracket of the utility model;

[0040] Fig.18 This is a schematic diagram of the main structure of the connecting rod of the utility model;

[0041] Fig.19 This is a schematic diagram of the main structure of the linear bearing of the utility model;

[0042] Fig. 20 It is a schematic diagram of the top view of the linear bearing of the utility model;

[0043] Fig.21 This is a schematic diagram of the main structure of the fifth bracket of the utility model;

[0044] Fig. 22 It is a bottom view structural schematic diagram of the fifth bracket of the utility model;

[0045] Fig.23 This is a schematic diagram of the main structure of the sixth bracket of the utility model;

[0046] Fig.24 It is a schematic diagram of the forward rotation of the rotating shaft of the foldable molten steel sampling device of the utility model;

[0047] Fig.25 It is a schematic diagram of the reverse rotation of the rotating shaft of the foldable molten steel sampling device of the present utility model.

[0048] Description of the reference numerals: 1-first bracket; 101-first body; 102-first boss; 103-first through hole; 104-second through hole; 2-second bracket; 201-second body; 202-second boss; 203-third through hole; 204-first groove; 3-screw; 301-third body; 302-third boss; 4-rotating shaft; 401-positioning section; 402-bearing section; 403-fourth through hole; 5-third bracket; 501-fourth body; 502-fourth boss; 503-fifth boss; 504-fifth through hole; 505-first screw hole; 506-sixth through hole; 507-second groove; 6-fourth bracket; 601-fifth body; 602- The sixth boss; 603-the seventh boss; 604-the seventh through hole; 605-the third groove; 606-the eighth through hole; 607-the through groove; 7-the connecting rod; 701-the ninth through hole; 8-the linear bearing; 801-the sixth body; 802-the eighth boss; 803-the tenth through hole; 804-the eleventh through hole; 9-the fifth bracket; 901-the seventh body; 902-the ninth boss; 903-the tenth boss; 904-the twelfth through hole; 905-the second screw hole; 906-the third screw hole; 907-the fourth screw hole; 10-the sixth bracket; 1001-the eighth body; 1002-the eleventh boss; 1003-the twelfth boss; 11-the rolling bearing; 12-the wheel; 13-the hinge. DETAILED DESCRIPTION

[0049] The content of the utility model is described in detail below through examples and drawings. The examples are only used to understand the utility model, but are not intended to limit the content of the utility model.

[0050] Combination Figures 1 to 6 As shown, the utility model provides a foldable molten steel sampling device, which includes a first bracket 1, a second bracket 2, a third bracket 5, four fourth brackets 6, a fifth bracket 9, a sixth bracket 10, sixty-eight screws 3, four rotating shafts 4, four connecting rods 7, eight linear bearings 8, eight rolling bearings 11, four wheels 12 and twenty hinges 13; wherein, the two fifth bosses 503 of the third bracket 5 are inserted into the two through grooves 607 of the two fourth brackets 6 and connected by the sixteen screws 3; the two fourth brackets 6 Four rolling bearings 11 are installed in the four third grooves 605, and four bearing sections 402 of two rotating shafts 4 are inserted in the four rolling bearings 11; two positioning sections 401 of the two rotating shafts 4 are inserted in the four ninth through holes 701 of the four connecting rods 7, and are positioned by the eight hinges 13; two positioning sections 401 of the other two rotating shafts 4 are inserted in the other four ninth through holes 701 of the four connecting rods 7, and are positioned by the eight hinges 13; four bearing sections 402 of the other two rotating shafts 4 are inserted in the four rolling bearings 11, and four bearing sections 402 of the other two rotating shafts 4 are inserted in the four ninth through holes 701 of the four connecting rods 7, and are positioned by the eight hinges 13. The four rolling bearings 11 are installed in the four third grooves 605 of the other two fourth brackets 6; the two ninth bosses 902 of the fifth bracket 9 are penetrated in the two through grooves 607 of the other two fourth brackets 6, and are connected by sixteen screws 3; the four first bosses 102 of the first bracket 1 are sleeved outside the four tenth bosses 903 of the fifth bracket 9, and are connected by four screws 3, and the second boss 202 of the second bracket 2 is penetrated in the first through hole 103 of the first bracket 1; The eight eighth bosses 802 of the eight linear bearings 8 are inserted into the four twelfth through holes 904 of the fifth bracket 9, and are connected by the thirty-two screws 3; the four eleventh bosses 1002 of the sixth bracket 10 are inserted into the eight eleventh through holes 804 of the eight linear bearings 8, and the twelfth boss 1003 of the sixth bracket 10 is inserted into the third through hole 203 and the first groove 204 of the second bracket 2; the four wheels 12 are inserted into the four second grooves 507 of the third bracket 5, and are hinged by the four hinges 13.

[0051] The utility model provides an assembly method of a foldable molten steel sampling device.

[0052] Combination Figures 1 to 23As shown, firstly, four wheels 12 are inserted into the four second grooves 507 of the third bracket 5, and the four axial holes of the four wheels 12 are aligned with the four sixth through holes 506 of the third bracket 5, and then four hinges 13 are installed in the four groups of aligned through holes, so that the third bracket 5 and the four wheels 12 can be assembled into a third bracket vehicle through the four hinges 13;

[0053] Then, the four locking segments 401 of the four rotating shafts 4 are inserted into the eight ninth through holes 701 of the four connecting rods 7, and then one hinge 13 is installed in each of the sixteen fourth through holes 403 of the four rotating shafts 4. In this way, the four rotating shafts 4 and the four connecting rods 7 can be assembled through the sixteen hinges 13.

[0054] Then, eight rolling bearings 11 are installed in the eight third grooves 605 of the four fourth brackets 6, and the eight third grooves 605 of the four fourth brackets 6 are arranged opposite to each other in pairs, and then the eight bearing segments 402 at both ends of the four rotating shafts 4 are respectively inserted into the eight rolling bearings 11, so that the four rotating shafts 4, the eight rolling bearings 11 and the four fourth brackets 6 can be assembled;

[0055] Then, the eight eighth bosses 802 of the eight linear bearings 8 are inserted into the four twelfth through holes 904 of the fifth bracket 9, and the thirty-two tenth through holes 803 of the eight linear bearings 8 are aligned with the sixteen second screw holes 905 of the fifth bracket 9, and then the thirty-two screws 3 are passed through the thirty-two tenth through holes 803 and screwed into the sixteen second screw holes 905. In this way, the eight linear bearings 8 and the fifth bracket 9 can be assembled by the thirty-two screws 3;

[0056] Then, the four eleventh bosses 1002 of the sixth bracket 10 are inserted into the eight eleventh through holes 804 of the eight linear bearings 8, and then the four tenth bosses 903 of the fifth bracket 9 are inserted between the four first bosses 102 of the first bracket 1, and the four second through holes 104 of the first bracket 1 and the four fourth screw holes 907 of the fifth bracket 9 are aligned, and then the four screws 3 are passed through the four second through holes 104 and screwed into the four fourth screw holes 907, so that the first bracket 1 and the fifth bracket 9 can be assembled by the four screws 3;

[0057] Then, the two through slots 607 of the two fourth brackets 6 are sleeved outside the two fifth bosses 503 of the third bracket 5, and the sixteen seventh through holes 604 of the two fourth brackets 6 are aligned with the eight first screw holes 505 of the third bracket 5, and then the sixteen screws 3 are passed through the sixteen seventh through holes 604 and screwed into the eight first screw holes 505, so that the two fourth brackets 6 and the third bracket 5 can be assembled by the sixteen screws 3;

[0058] Then, the two ninth bosses 902 of the fifth bracket 9 are inserted into the two through slots 607 of the other two fourth brackets 6, and the eight third screw holes 906 of the fifth bracket 9 are aligned with the sixteen seventh through holes 604 of the two fourth brackets 6, and then the sixteen screws 3 are passed through the sixteen seventh through holes 604 and screwed into the eight third screw holes 906. In this way, the fifth bracket 9 and the other two fourth brackets 6 can be assembled by the sixteen screws 3;

[0059] Then the second boss 202 of the second bracket 2 is inserted into the first through hole 103 of the first bracket 1, and finally the twelfth boss 1003 of the sixth bracket 10 is inserted into the third through hole 203 and the first groove 204 of the second bracket 2. In this way, the whole device is assembled and can be put into use.

[0060] The utility model provides a setting rule for the rotation direction of the rotating shaft of the foldable molten steel sampling device

[0061] Combination Figure 1 and Figure 5 As shown, based on the main structural diagram of the device of the utility model, for the convenience of description, the two rotating shafts 4 located in the four eighth through holes 606 of the two fourth brackets 6 connected to the third bracket 5 may be respectively set as ① and ②, and the two rotating shafts 4 located in the four eighth through holes 606 of the two fourth brackets 6 connected to the fifth bracket 9 may be respectively set as ③ and ④. Since the position of the fifth bracket 9 is always changing and the position of the third bracket 5 is relatively fixed, therefore, ③ and ④ are both driven shafts, and ① and ② are both driving shafts; for the four connecting rods 7, ① and ② are also swing shafts, and they may be set as O;

[0062] like Figure 1 As shown, assuming that the fifth bracket 9 is initially in a high position, and the four connecting rods 7 are all in an upright position, the simplified diagram is as follows Fig.24As shown, ① and ② rotate 180 degrees in the clockwise direction at the same time, and the four connecting rods 7 will also swing 180 degrees in the clockwise direction accordingly. At this time, although the four connecting rods 7 are still in an upright setting, the fifth bracket 9 is in a low position. It may be appropriate to define this rotation direction of the rotating shaft 4 as a positive direction;

[0063] like Figure 5 As shown, assuming that the fifth bracket 9 is initially in a low position and the four connecting rods 7 are all in an upright position, the simplified diagram is as follows Fig.25 As shown, ① and ② rotate 180 degrees in the counterclockwise direction at the same time, and the four connecting rods 7 will also swing 180 degrees in the counterclockwise direction accordingly. At this time, although the four connecting rods 7 are still in an upright setting, the fifth bracket 9 is in a high position. It is not a bad idea to define this rotation direction of the rotating shaft 4 as reverse.

[0064] The utility model provides a technical principle of realizing vacuum sampling based on a foldable molten steel sampling device.

[0065] Since the third through hole 203 and the first groove 204 of the second bracket 2 are both truncated cone-shaped, and the twelfth boss 1003 of the sixth bracket 10 is also truncated cone-shaped, the twelfth boss 1003 of the sixth bracket 10 can just penetrate the third through hole 203 and the first groove 204 of the second bracket 2; since the third through hole 203 and the first groove 204 of the second bracket 2 are used to hold molten steel, and the second body 201 and the second boss 202 of the second bracket 2 are immersed in the molten steel before the sixth bracket 10 is immersed in the molten steel, the twelfth boss 1003 of the sixth bracket 10 can just penetrate the third through hole 203 and the first groove 204 of the second bracket 2; The twelfth boss 1003 of the sixth bracket 10 is always inserted into the third through hole 203 and the first groove 204 of the second bracket 2. Since the twelfth boss 1003 of the sixth bracket 10 can perfectly fit with the third through hole 203 and the first groove 204 of the second bracket 2, there is no air in the third through hole 203 and the first groove 204 of the second bracket 2, that is, the third through hole 203 and the first groove 204 of the second bracket 2 are in a vacuum state, so that the molten steel obtained will not be contaminated by the air.

[0066] The utility model provides a method for using a foldable molten steel sampling device.

[0067] Assuming that the fifth bracket 9 is initially in a high position, the four connecting rods 7 are all in an upright position, and then the third bracket vehicle is moved horizontally so that the first bracket 1 and the second bracket 2 can face the ladle, and ensure that the twelfth boss 1003 of the sixth bracket 10 is always inserted into the third through hole 203 and the first groove 204 of the second bracket 2. Figure 1 and Figure 2 As shown;

[0068] like Fig.24 As shown, ① and ② are then rotated 180 degrees in the clockwise direction at the same time, and the corresponding four connecting rods 7 are swung 180 degrees in the clockwise direction at the same time and are still in an upright setting. At this time, the fifth bracket 9 is in a low position. During this process, the second bracket 2 can pass through the slag layer and be completely immersed in the molten steel. Then, along the eight eleventh through holes 804 of the eight linear bearings 8, the sixth bracket 10 is moved upward, and the twelfth boss 1003 of the sixth bracket 10 is pulled out from the third through hole 203 and the first groove 204 of the second bracket 2. In this way, the molten steel will fill the first groove 204 and the third through hole 203 of the second bracket 2, as shown in FIG. Figure 5 and Figure 6 shown.

[0069] Supplementary explanation: The foldable molten steel sampling device provided by the utility model is designed with a symmetrical structure. First of all, according to the diameter specifications of the ladle, the setting height of the ladle and the actual depth of the molten steel, multiple specifications of the utility model device should be designed and manufactured to match it; at the same time, it should be ensured that the twelfth boss 1003 of the sixth bracket 10 can perfectly fit with the third through hole 203 and the first groove 204 of the second bracket 2, so as to realize vacuum sampling of molten steel, and then realize the authenticity and reliability of the detection data.

[0070] It can be seen from the embodiments that the foldable molten steel sampling device provided by the utility model can achieve the purpose of vacuum sampling of molten steel. The device of the utility model has the characteristics of low manufacturing cost, simple operation and good use effect.

[0071] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein.

Claims

1. A foldable molten steel sampling device, characterized in that: The foldable molten steel sampling device comprises: a first bracket (1), a second bracket (2), a third bracket (5), four fourth brackets (6), a fifth bracket (9), a sixth bracket (10), sixty-eight screws (3), four rotating shafts (4), four connecting rods (7), eight linear bearings (8), eight rolling bearings (11), four wheels (12) and twenty hinges (13), wherein: The first bracket (1) is composed of a first body (101) and four first bosses (102) connected together; the first body (101) and the first bosses (102) are both rectangular parallelepiped symmetrical structures; the four first bosses (102) are simultaneously located on the upper end surface of the first body (101); a cylindrical first through hole (103) is provided in the middle of the first body (101); a second boss (202) of the second bracket (2) is inserted into the first through hole (103); a cylindrical second through hole (104) is provided at the upper end of the first boss (102); the screw (3) is inserted into the second through hole (104); The second bracket (2) is composed of a second body (201) and a second boss (202) connected together; the second body (201) and the second boss (202) are both cylindrical symmetrical structures; the second boss (202) is located on the lower end surface of the second body (201); a third truncated cone-shaped through hole (203) is provided at the axial position of the second body (201); the twelfth boss (1003) of the sixth bracket (10) is penetrated in the third through hole (203); a first truncated cone-shaped groove (204) is provided on the upper end surface of the second boss (202); the twelfth boss (1003) of the sixth bracket (10) is penetrated in the first groove (204); the first groove (204) and the third through hole (203) are coaxially connected; The third bracket (5) is composed of a fourth body (501), four fourth bosses (502) and four fifth bosses (503) connected together; the fourth body (501), the fourth boss (502) and the fifth boss (503) are all rectangular parallelepiped symmetrical structures; the four fourth bosses (502) are simultaneously located on the lower end surface of the fourth body (501); the four fifth bosses (503) are respectively located on the lower end surfaces of the four fourth bosses (502); a fifth rectangular parallelepiped through hole (504) is provided in the middle of the fourth body (501); The sixth bracket (10) is inserted into the fifth through hole (504); a second rectangular groove (507) is formed on the lower end surface of the fifth boss (503), and the wheel (12) is inserted into the second groove (507); a sixth cylindrical through hole (506) is formed on the front and rear sides of the second groove (507), and the hinge (13) is inserted into the sixth through hole (506); the fifth boss (503) is symmetrically formed with four first screw holes (505), and the screws (3) are screwed into the first screw holes (505); The fourth bracket (6) is composed of a fifth body (601), two sixth bosses (602) and two seventh bosses (603) connected together; the fifth body (601), the sixth boss (602) and the seventh boss (603) are all rectangular parallelepiped symmetrical structures; the two sixth bosses (602) are simultaneously located on the left end surface of the fifth body (601); the two seventh bosses (603) are simultaneously located on the right end surface of the fifth body (601); a rectangular parallelepiped through groove (607) can be formed between the two sixth bosses (602), and the third bracket (5) is penetrated in the through groove (607). ) or the ninth boss (902) of the fifth bracket (9); the sixth boss (602) is symmetrically provided with four cylindrical seventh through holes (604), and the screws (3) are inserted into the seventh through holes (604); the rear end surface of the seventh boss (603) is provided with a cylindrical third groove (605), and the rolling bearing (11) is inserted into the third groove (605); the axial position of the third groove (605) is provided with a cylindrical eighth through hole (606), and the bearing section (402) of the rotating shaft (4) is inserted into the eighth through hole (606); The fifth bracket (9) is composed of a seventh body (901), two ninth bosses (902) and four tenth bosses (903) connected together; the seventh body (901), the ninth boss (902) and the tenth boss (903) are all rectangular parallelepiped symmetrical structures; the two ninth bosses (902) are simultaneously located on the left end surface of the seventh body (901); the four tenth bosses (903) are simultaneously located on the lower end surface of the seventh body (901); the seventh body (901) is symmetrically provided with four cylindrical twelfth through holes (904) , the eighth boss (802) of the linear bearing (8) is inserted into the twelfth through hole (904); four second screw holes (905) are evenly arranged around the twelfth through hole (904), and the screws (3) are screwed into the second screw holes (905); the ninth boss (902) is symmetrically arranged with four third screw holes (906), and the screws (3) are screwed into the third screw holes (906); the tenth boss (903) is arranged with a fourth screw hole (907), and the screw (3) is screwed into the fourth screw hole (907); The sixth bracket (10) is composed of an eighth body (1001), four eleventh bosses (1002) and a twelfth boss (1003) connected together; the eighth body (1001) is a rectangular parallelepiped symmetrical structure; the four eleventh bosses (1002) are simultaneously located on the upper end surface of the eighth body (1001); the twelfth boss (1003) is located on the lower end surface of the eighth body (1001); the eleventh boss (1002) is a cylindrical symmetrical structure, which is used to penetrate the eleventh through hole (804) of the linear bearing (8); the twelfth boss (1003) is a truncated cone symmetrical structure, which is used to penetrate the third through hole (203) and the first groove (204) of the second bracket (2); The rotating shaft (4) is composed of bearing sections (402) located at both ends and a clamping section (401) located in the middle, wherein the bearing section (402) is a cylindrical symmetrical structure, and is used to penetrate the rolling bearing (11); the clamping section (401) is a regular octagonal symmetrical structure, and is used to penetrate the ninth through hole (701) of the connecting rod (7); the clamping section (401) is symmetrically provided with two groups of four cylindrical fourth through holes (403), and the hinge (13) is penetrated in the fourth through holes (403); The connecting rod (7) is a symmetrical structure in the shape of a rectangular parallelepiped, and the connecting rod (7) is symmetrically provided with two ninth through holes (701) in the shape of regular octahedrons, and the locking section (401) of the rotating shaft (4) is penetrated in the ninth through hole (701); The linear bearing (8) is composed of a sixth body (801) and an eighth boss (802) connected together, wherein the eighth boss (802) is located on the upper end surface of the sixth body (801); the sixth body (801) is a rectangular parallelepiped symmetrical structure, and the sixth body (801) is symmetrically provided with four cylindrical tenth through holes (803), wherein the tenth through holes (803) are penetrated by the screws (3); the eighth boss (802) is a cylindrical symmetrical structure A cylindrical eleventh through hole (804) is provided at the axial position of the eighth boss (802), and the eleventh boss (1002) of the sixth bracket (10) is passed through the eleventh through hole (804), and the eleventh through hole (804) also runs through the sixth body (801); a retaining frame, a ball and a retaining ring are also provided inside the eighth boss (802), and a plurality of the balls are evenly arranged inside the retaining frame, and the retaining rings are provided at both ends of the retaining frame.

2. The foldable molten steel sampling device according to claim 1 is characterized in that: The screw (3) is composed of a coaxial third body (301) and a third boss (302), both of which are cylindrical symmetrical structures, and the third boss (302) is located at the rear end surface of the third body (301); the end of the third boss (302) is provided with a thread for screwing into the first screw hole (505) of the third bracket (5), the second screw hole (905), the third screw hole (906) or the fourth screw hole (907) of the fifth bracket (9).

3. The foldable molten steel sampling device according to claim 1 is characterized in that: The rolling bearing (11), the wheel (12) and the hinge (13) are all standard parts.

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