Vibrating trolley for tapping machine of submerged arc furnace
By setting up a positioning component under the wheels of the coil of the mine thermal furnace, the problem of lifting up the car trolley after the stress is solved, and the stable movement and reducing equipment failure rate of the vehicle during opening operations.
Patent Information
- Application Number
- CN202323337886.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-07
- Publication Date
- 2025-01-28
- Estimated Expiration
- 2033-12-07
AI Technical Summary
The existing mine hot furnace opening machine vibrating car easily rises after being subjected to stress, causing the wheels to leave the rail beam, causing the vibration truck to move unstable, affecting opening operations and easily damaging the equipment.
Designed a type of hot stove opening machine to make a small car. By setting up a positioning component under the wheels, the scope of the upper and lower activities of small frames on the beam to ensure the limits of the horizontal direction of the car. Phenomenon.
The stable movement of the Zhenxiao car when opening the operation, reducing the equipment failure rate, and avoiding the problem of swinging up and down, left and right.
Smart Images
Figure CN222418578U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of opening and plugging devices for submerged arc furnaces, and in particular to a vibrating trolley for an opening machine of a submerged arc furnace. Background Art
[0002] The opening machine is a key equipment in the submerged arc furnace equipment. Among them, the opening machine is used to open the furnace mouth when the submerged arc furnace is tapping iron and discharging slag. It mainly relies on the vibration trolley to move back and forth under the rail beam to drive the drill rod to open the furnace mouth. The vibration trolley is equipped with a rock drill. The drill rod is installed on the drill tail at the front end of the rock drill, which drives the drill rod to rotate and hammer, thereby drilling the furnace mouth.
[0003] At present, when similar products are in use, the hydraulic motor on the rail beam drives the chain to rotate, and the chain drives the vibrating trolley to move forward and backward along the rail beam through the rack on the trolley frame. The vibrating trolley is suspended under the rail beam through four wheels by weight, and the wheel rims are positioned on the left and right directions to ensure linear movement.
[0004] However, when moving forward to open the opening, the drill rod is subjected to backward force, so the rapping trolley is also subjected to a backward force. Since there is a large gap between the upper surface of the rapping trolley and the lower surface of the rail beam, the rapping trolley may tilt up after being subjected to force, causing the wheels to lift up away from the rail beam, and the wheel rims cannot play a positioning role, causing the rapping trolley to swing up and down and left and right, affecting the opening operation, and easily damaging the equipment, causing failures and affecting production. Utility Model Content
[0005] The embodiment of the present application provides a rappelling trolley for an electric arc furnace opening machine, thereby solving the problems in the prior art of the wheels of the rappelling trolley tilting up after being subjected to force and the unstable movement of the rappelling trolley, thereby achieving the effect of the rappelling trolley running stably and not prone to malfunction during the opening operation.
[0006] The utility model embodiment provides a rapping trolley for an electric arc furnace opening machine, comprising: a trolley frame, wheels, a positioning assembly and a rail beam; the trolley frame is fixedly connected to the wheels; the wheels are arranged on the rail beam and are rollingly connected to the rail beam; the positioning assembly is fixedly connected to the trolley frame, the positioning assembly is arranged on a side of the rail beam away from the wheels, and there is a gap between the positioning assembly and the rail beam; the rail beam is arranged between the wheels and the positioning assembly.
[0007] In a possible implementation, the positioning assembly includes a positioning wheel and a connecting shaft; the positioning wheel is arranged on the outside of the connecting shaft; the connecting shaft is fixedly connected to the trolley frame; and the positioning wheel is close to the upper surface of the trolley frame.
[0008] Furthermore, the positioning assembly also includes a fixed block; the fixed block is fixedly connected to the trolley frame; the fixed block is arranged on the outside of the connecting shaft.
[0009] In a possible implementation, the positioning assembly also includes a bearing, a sleeve and a retaining ring; the positioning wheel is rotatably connected to the connecting shaft through the bearing; the sleeve and the retaining ring are both arranged on the end face of the bearing to position the bearing; the sleeve is arranged on the outer side of the connecting shaft; and the retaining ring is arranged on the inner side of the positioning wheel.
[0010] In a possible implementation, the positioning wheel is provided with a bearing hole and a first retaining ring mounting groove; the bearing hole cooperates with the bearing, and the end face of the bearing hole abuts against the end face of the bearing; the first retaining ring mounting groove cooperates with the retaining ring.
[0011] In a possible implementation, the connecting shaft is further provided with a keyway, and the shaft shoulder is fixedly connected to the connecting shaft; the keyway cooperates with the fixing block; and the shaft shoulder abuts against the end face of the bearing.
[0012] Furthermore, in a possible implementation, the connecting shaft is provided with an oil inlet hole and an oil outlet hole; the oil inlet hole is arranged along the axial direction of the connecting shaft, the oil outlet hole is arranged along the radial direction of the connecting shaft, and the output end of the oil inlet hole is connected with the input end of the oil outlet hole; the output end of the oil outlet hole is connected with the interior of the bearing.
[0013] In a possible implementation, the positioning assembly also includes a spacer ring and an oil cup; the spacer ring is arranged on the outer side of the connecting shaft, the spacer ring is arranged on the inner side of the positioning wheel, and the spacer ring abuts against the end face of the bearing; inner holes are provided at both ends of the spacer ring, and the oil outlet is connected to the inside of the bearing through the inner hole of the spacer ring; the oil cup is fixedly connected to the input end of the oil inlet hole.
[0014] One or more technical solutions provided in the embodiments of the present utility model have at least the following technical effects or advantages:
[0015] The embodiment of the utility model adopts the method of setting a positioning component under the wheel of the vibration trolley of the ore-blast furnace opening machine, which effectively solves the technical problem of a large gap between the upper surface of the vibration trolley and the lower surface of the rail beam, so that the vibration trolley will not tilt upward when subjected to force, thereby avoiding the problem of the vibration trolley swinging up and down and left and right. In addition, the vibration trolley moves more stably during the opening operation, thereby reducing the failure rate of the overall equipment. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments of the utility model will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0017] Figure 1 A left view of a vibration trolley of a submerged arc furnace opening machine provided in an embodiment of the present application;
[0018] Figure 2 for Figure 1 A partial enlarged view of the middle A area;
[0019] Figure 3 A top view of a vibration trolley of a submerged arc furnace opening machine provided in an embodiment of the present application;
[0020] Figure 4 for Figure 3 A partial cross-sectional view of the middle BB;
[0021] Figure 5 A top view of a positioning assembly provided in an embodiment of the present application;
[0022] Figure 6 for Figure 5 C-direction view;
[0023] Figure 7 for Figure 5 D-direction view;
[0024] Figure 8 A front view of a connecting shaft provided in an embodiment of the present application;
[0025] Fig. 9 A cross-sectional view of a positioning wheel provided in an embodiment of the present application.
[0026] Icons: 1-trolley frame; 2-wheel; 21-wheel rim; 3-positioning assembly; 31-positioning wheel; 311-bearing hole; 312-first retaining ring mounting groove; 32-connecting shaft; 321-oil inlet hole; 322-oil outlet hole; 323-shoulder; 324-keyway; 325-second retaining ring mounting groove; 33-fixing block; 34-bearing; 35-sleeve; 36-retaining ring; 37-oil cup; 38-spacer ring; 39-spring washer; 4-rail beam. DETAILED DESCRIPTION
[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0028] In the description of the embodiments of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the embodiments of the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. The terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In addition, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be a connection between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present utility model can be understood according to specific circumstances.
[0029] like Figure 1 As shown, a vibration trolley for an electric arc furnace opening machine comprises: a trolley frame 1, wheels 2, a positioning assembly 3 and a rail beam 4; the trolley frame 1 is fixedly connected to the wheel 2; the wheel 2 is arranged on the rail beam and is rollingly connected to the rail beam 4; the positioning assembly 3 is fixedly connected to the trolley frame 1, and the positioning assembly 3 is arranged on a side of the rail beam 4 away from the wheel 2, and there is a gap between the positioning assembly 3 and the rail beam 4; the rail beam 4 is arranged between the wheel 2 and the positioning assembly 3.
[0030] Exemplarily, the wheel 2 on the trolley frame 1 is provided with a rim 21, and the rim 21 has a limiting effect on the movement of the trolley on the rail beam 4. Furthermore, the positioning assembly 3 can reduce the upper and lower movable range of the trolley frame 1 on the rail beam 4, thereby ensuring that the rail beam 4 will not exceed the end face of the rim 21 during the upward tilting of the trolley frame 1, so that the rim 21 can still limit the horizontal direction of the trolley frame 1. In the embodiment of the present application, the positioning assembly 3 is arranged on the side of the rail beam 4 away from the wheel 2, and there is a gap between the rail beam 4. Exemplarily, assuming that the gap value between the rail beam 4 and the positioning assembly 3 is h, and the vertical distance from the lower surface of the rail beam 4 to the outer side of the rim 21 is C0, then C0>h≥0.
[0031] like Figure 2As shown, in the embodiment of the present application, the positioning assembly 3 includes a positioning wheel 31 and a connecting shaft 32; the positioning wheel 31 is arranged on the outside of the connecting shaft 32; the connecting shaft 32 is fixedly connected to the trolley frame 1; the positioning wheel 31 is close to the upper surface of the trolley frame 1.
[0032] Exemplarily, the positioning wheel 31 is arranged on the outside of the connecting shaft 32, and can be slidably connected or fixedly connected; the connecting shaft 32 is welded and fixed to the trolley frame 1, or can be fixedly connected by threads.
[0033] Furthermore, if Figure 2 As shown, the positioning assembly 3 also includes a fixing block 33 ; the fixing block 33 is fixedly connected to the trolley frame 1 ; the fixing block 33 is arranged on the outside of the connecting shaft 32 .
[0034] In the present application embodiment, Figure 6 , Figure 7 As shown, two types of fixing blocks 33 are provided. The two types of fixing blocks 33 are respectively provided with a U-shaped mounting groove and a rectangular mounting groove. The U-shaped mounting groove and the rectangular mounting groove cooperate with the connecting shaft 32 .
[0035] Exemplarily, both types of fixing blocks 33 can fix the connecting shaft 32 on the trolley frame 1 by threads, which is convenient for installation and disassembly; the fixing blocks 33 can also be fixedly connected to the trolley frame 1 by welding.
[0036] Exemplarily, the fixing block 33 is respectively provided with a U-shaped mounting groove and a rectangular mounting groove, which cooperate with the connecting shaft 32 so that a tiny upward and downward movable gap can be left between the connecting shaft 32 and the positioning wheel 31. When the trolley is forced to tilt upward, the movable gap can leave a buffer space to reduce damage to the trolley, and the size of the movable gap can be conveniently adjusted through the threaded hole of the fixing block 33.
[0037] like Figure 4 As shown, the positioning assembly 3 also includes a bearing 34, a sleeve 35 and a retaining ring 36; the positioning wheel 31 is rotatably connected to the connecting shaft 32 through the bearing 34, the inner ring of the bearing is fixedly connected to the connecting shaft 32, and the outer ring of the bearing is fixedly connected to the positioning wheel 31; the sleeve 35 and the retaining ring 36 are both arranged on the end face of the bearing 34 to position the bearing 34; the sleeve 35 is arranged on the outer side of the connecting shaft 32; the retaining ring 36 is arranged on the inner side of the positioning wheel 31.
[0038] In the embodiment of the present application, two bearings 34 are provided inside the positioning wheel 31 , and one bearing 34 may be provided according to the force applied to the positioning wheel 31 .
[0039] Exemplarily, the inner ring of the bearing has an overfit or interference fit with the connecting shaft 32; the outer ring of the bearing has an overfit or interference fit with the positioning wheel 31, and the outer ring of the bearing and the positioning wheel 31 can also be fixed by passing a top screw radially through the positioning wheel 31 and against the outer cylindrical surface of the outer ring of the bearing.
[0040] Exemplarily, the shaft sleeve 35 is disposed on the end surface of the bearing 34 , and the shaft sleeve 35 is fixedly connected to the connecting shaft 32 to play an axial positioning role for the bearing 34 .
[0041] Exemplarily, the sleeve 35 is arranged on the end surface of the bearing 34, the sleeve 35 is slidably connected to the connecting shaft 32, and a spring washer 39 is arranged in the second retaining ring mounting groove 325 to position the sleeve 35 in the axial direction, thereby realizing the axial positioning effect of the sleeve 35 on the bearing 34.
[0042] Exemplarily, the retaining ring 36 is disposed on the end face of the outer ring of the bearing to limit the bearing 34 axially. The retaining ring 36 here can be a wire retaining ring or an elastic retaining ring.
[0043] like Fig. 9 As shown, the positioning wheel 31 is provided with a bearing hole 311 and a first retaining ring installation groove 312 ; the bearing hole 311 cooperates with the bearing outer ring, and the end face of the bearing hole 311 abuts against the end face of the bearing outer ring; the first retaining ring installation groove 312 cooperates with the retaining ring 36 .
[0044] Exemplarily, the outer ring of the bearing is over-fitted or interference-fitted with the bearing hole 311; the retaining ring 36 is arranged in the first retaining ring installation groove 312, and the size of the first retaining ring installation groove 312 needs to match the specification of the retaining ring 36, which can be designed through a design manual or a supplier's product catalog.
[0045] like Figure 8 As shown, the connecting shaft 32 is further provided with a keyway 324; the shaft shoulder 323 is fixedly connected to the connecting shaft 32, and the keyway 324 cooperates with the fixing block 33; the shaft shoulder 323 abuts against the end face of the inner ring of the bearing.
[0046] Exemplarily, the rectangular mounting groove of the fixing block 33 cooperates with the key groove 324 to achieve axial and radial positioning of the connecting shaft 32 ; the shaft shoulder 323 abuts against the inner ring end face of the bearing 34 , playing an axial positioning role for the bearing 34 .
[0047] like Figure 4 , Figure 8 As shown, the connecting shaft 32 is provided with an oil inlet hole 321 and an oil outlet hole 322; the oil inlet hole 321 is arranged along the axial direction of the connecting shaft 32, and the oil outlet hole 322 is arranged along the radial direction of the connecting shaft 32, and the output end of the oil inlet hole 321 is connected to the input end of the oil outlet hole 322; the output end of the oil outlet hole 322 is connected to the interior of the bearing 34.
[0048] For example, in order to ensure the reliability of the bearing 34 during operation, the bearing 34 needs to be lubricated, that is, lubricating oil needs to be added to the bearing 34. In the embodiment of the present application, by opening an oil inlet hole 321 on the connecting shaft 32, the lubricating oil level in the oil storage cavity formed by the bearing hole 311 and the outer surface of the connecting shaft 32 is kept constant, thereby ensuring the smooth operation of the bearing 34.
[0049] Furthermore, Figure 4 As shown, the positioning assembly 3 also includes a spacer ring 38 and an oil cup 37; the spacer ring 38 is arranged on the outer side of the connecting shaft 32, and the spacer ring 38 is arranged on the inner side of the positioning wheel 31, and the spacer ring 38 abuts against the end face of the bearing 34; inner holes are provided at both ends of the spacer ring, and the oil outlet hole 322 is connected to the inside of the bearing 34 through the inner hole of the spacer ring; the oil cup 37 is fixedly connected to the input end of the oil inlet hole 321.
[0050] Exemplarily, the input end of the oil inlet hole 321 on the connecting shaft 32 is connected to the oil cup 37 , and the oil outlet hole 322 on the connecting shaft 32 is directly opposite to the inner hole of the spacer ring 38 and is connected to the inner hole of the spacer ring 38 .
[0051] Exemplarily, the size of the inner hole of the spacer ring 38 is larger than the size of the inner hole of the outer ring of the bearing 34 , so that the retaining frame, rolling elements and other structures of the bearing 34 can fully contact the lubricating oil in the oil cup 37 , thereby achieving lubrication of the bearing 34 .
[0052] like Figure 4 As shown, the oil inlet hole 321 and the oil outlet hole 322 on the connecting shaft 32 form a refueling channel for adding lubricating oil to the bearing 34, and the inner hole of the spacer ring 38 and the outer surface of the connecting shaft 32 form an oil storage cavity. Exemplarily, the lubricating oil in the oil cup 37 enters the oil storage cavity through the refueling channel, so that the lubricating oil level in the oil storage cavity is kept constant, thereby achieving lubrication of the bearing 34.
[0053] Exemplarily, the spacer ring 38 is arranged on the inner side of the positioning wheel 31, and the spacer ring 38 has a transition fit or an interference fit with the bearing hole 311 of the positioning wheel 31, or can also have a clearance fit with the bearing hole 311 of the positioning wheel 31; the spacer ring 38 is arranged between the two bearings 34, and has an axial positioning effect on the bearings 34. The spacer ring 38 can also be used in situations where the positioning component 3 is equipped with one or more bearings 34.
[0054] Exemplarily, the installation process of a vibration trolley of a submerged arc furnace opening machine provided in an embodiment of the present application is as follows:
[0055] First, combine the positioning wheel 31 with the bearing 34, the spacer ring 38, and the retaining ring 36; secondly, assemble the installed positioning wheel 31 and other parts with the connecting shaft 32, and use the shaft sleeve 35 and the spring washer 39 to axially position the bearing 34; then, fix the assembled wheel axle to the trolley frame 1 through the fixing blocks 33 at both ends; finally, connect the trolley frame 1 with the rail beam 4 to achieve smooth rolling of the trolley frame 1 on the rail beam 4.
[0056] The positioning assembly 3 has a limiting effect on the trolley frame 1 on the rail beam 4, so that the vibration trolley of the ore-heating furnace opening machine will not swing up and down or left and right when subjected to force.
[0057] The various embodiments in this specification are described in a progressive manner, and the same or similar parts between the various embodiments can be referenced to each other. Each embodiment focuses on the differences from other embodiments.
[0058] The above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit the present application. Although the present application has been described in detail with reference to the aforementioned embodiments, a person of ordinary skill in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some or all of the technical features thereof may be replaced by equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the present application.
Claims
1. A vibration trolley for a submerged arc furnace opening machine, characterized in that: include: A trolley frame (1), wheels (2), a positioning assembly (3) and a rail beam (4); The small vehicle frame (1) is fixedly connected to the wheel (2); The wheel (2) is arranged on the rail beam (4) and is rollingly connected to the rail beam (4); The positioning assembly (3) is fixedly connected to the trolley frame (1); the positioning assembly (3) is arranged on a side of the rail beam (4) away from the wheel (2), and there is a gap between the positioning assembly (3) and the rail beam (4); The rail beam (4) is arranged between the wheel (2) and the positioning assembly (3).
2. The rapping trolley for the opening machine of a submerged arc furnace according to claim 1, characterized in that: The positioning assembly (3) comprises a positioning wheel (31) and a connecting shaft (32); The positioning wheel (31) is arranged on the outside of the connecting shaft (32); The connecting shaft (32) is fixedly connected to the trolley frame (1); The positioning wheel (31) is close to the upper surface of the trolley frame (1) and there is a gap between the positioning wheel (31) and the rail beam (4).
3. The rapping trolley for the opening machine of a submerged arc furnace according to claim 2, characterized in that: The positioning assembly (3) also includes a fixing block (33); The fixing block (33) is fixedly connected to the trolley frame (1); the fixing block (33) is arranged outside the connecting shaft (32).
4. A vibration trolley for a submerged arc furnace opening machine according to claim 3, characterized in that: The positioning assembly (3) further comprises a bearing (34), a sleeve (35) and a retaining ring (36); The positioning wheel (31) is rotatably connected to the connecting shaft (32) via the bearing (34); The shaft sleeve (35) and the retaining ring (36) are both arranged on the end surface of the bearing (34) to play a positioning role for the bearing (34); The shaft sleeve (35) is arranged on the outside of the connecting shaft (32); and the retaining ring (36) is arranged on the inside of the positioning wheel (31).
5. The rapping trolley for the opening machine of an ore-fired furnace according to claim 4, characterized in that: The positioning wheel (31) is provided with a bearing hole (311) and a first retaining ring mounting groove (312); The bearing hole (311) cooperates with the bearing (34), and the end surface of the bearing hole (311) abuts against the end surface of the bearing (34); The first retaining ring mounting groove (312) cooperates with the retaining ring (36).
6. A vibration trolley for a submerged arc furnace opening machine according to claim 4, characterized in that: The connecting shaft (32) is provided with a keyway (324); The keyway (324) cooperates with the fixing block (33); The connecting shaft (32) further comprises a shaft shoulder (323), wherein the shaft shoulder (323) is fixedly connected to the connecting shaft (32); the shaft shoulder (323) abuts against an end surface of the bearing (34).
7. The rapping trolley for the opening machine of a submerged arc furnace according to claim 4, characterized in that: The connecting shaft (32) is provided with an oil inlet hole (321) and an oil outlet hole (322); The oil inlet hole (321) is arranged along the axial direction of the connecting shaft (32), the oil outlet hole (322) is arranged along the radial direction of the connecting shaft (32), and the output end of the oil inlet hole (321) is connected to the input end of the oil outlet hole (322); The output end of the oil outlet hole (322) is in communication with the interior of the bearing (34).
8. The rapping trolley for the opening machine of a submerged arc furnace according to claim 7, characterized in that: The positioning assembly (3) further comprises a spacer ring (38) and an oil cup (37); The spacer ring (38) is arranged on the outer side of the connecting shaft (32), the spacer ring (38) is arranged on the inner side of the positioning wheel (31), and the spacer ring (38) abuts against the end surface of the bearing (34); The spacer ring (38) has inner holes at both ends, and the oil outlet hole (322) is connected to the inside of the bearing (34) through the inner holes; The oil cup (37) is fixedly connected to the input end of the oil inlet hole (321).