Split capping device for molten iron tank and molten iron tank car provided with same

Abstract

The invention discloses a split type capping device for a hot-metal bottle. The split type capping device comprises two movable support mechanisms, two fixed bases and a bottle cover. The two movable support mechanisms are correspondingly arranged, the bottoms of the two movable support mechanisms are movably connected with the two fixed bases, and telescopic devices connected with the fixed bases are arranged on the two sides of each movable support mechanism. The tank cover comprises two half tank cover units, each half tank cover unit is connected to the top of one movable support mechanism, and the two half tank cover units are closed and opened through stretching and retracting of the telescopic device. According to the split type capping device for the molten iron tank and the molten iron tank car provided with the split type capping device, the structure is compact, operation is convenient, the occupied space is extremely small during operation, split type automatic capping of the molten iron tank car is achieved, meanwhile, the heat loss of molten iron is effectively reduced, smoke emission is reduced, and the safety during production is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of metallurgical equipment, and in particular to a double-opening capping device for a molten iron tank and a molten iron tank car equipped with the capping device. Background Art

[0002] After the molten iron of most large steel enterprises is delivered to the steel mill, the molten iron is usually transported from the mixing car to the designated location of the steel mill by molten iron tank trucks. Figure 1 The iron tank car 5 shown includes a frame 51, and a molten iron tank 6 is movably arranged in the middle of the frame 51. Since the molten iron tank is transported in an open manner, a large amount of smoke and dust will be generated during transportation, which will cause environmental pollution, and heat energy loss will inevitably occur during the open transportation of the molten iron tank. In addition, due to the short-distance open transportation of the molten iron tank car in the steel plant, the on-site environment is complex, and there is a risk of the molten iron tank car tipping over, which is easy to cause molten iron leakage accidents. At present, there are also related covering devices set on the molten iron tank car, but there are generally problems such as large space occupied during operation, complex structure and high cost. Summary of the invention

[0003] In view of the problems existing in the above-mentioned background technology, the present invention provides a double-opening covering device for a molten iron ladle and a molten iron ladle truck equipped with the covering device, which has a compact structure and is easy to operate, realizes the double-opening automatic covering function of the molten iron ladle truck, occupies a small space during operation, can effectively reduce the heat loss of molten iron, reduce smoke emissions, and improve safety during production.

[0004] The technical solution of the present invention to solve the technical problem is as follows:

[0005] According to one aspect of the present invention, a double-sided capping device for a molten iron ladle is provided, which includes a movable support mechanism, a fixed base and a ladle cover.

[0006] There are two movable bracket mechanisms, which are arranged correspondingly on the left and right. Each movable bracket mechanism includes two symmetrically arranged longitudinal brackets and a transverse bracket arranged between the tops of the two longitudinal brackets. A telescopic device is movably arranged in the middle of each longitudinal bracket. The telescopic device is preferably an electric telescopic rod or a hydraulic rod.

[0007] There are two fixed bases, each of which includes an upper base and a bottom mounting base arranged up and down, upper connecting pins are symmetrically arranged on both sides of the top of the upper base, and lower connecting pins are symmetrically arranged at both ends.

[0008] The tank cover comprises two half tank cover units, which can be assembled into a complete tank cover adapted to the tank mouth of the molten iron tank, and the half tank cover units are made of high temperature resistant materials.

[0009] Among them: the two upper connecting pins and the two lower connecting pins of each upper base are respectively movably connected to the bottom of the two longitudinal brackets on the same side of the two movable bracket mechanisms and the other ends of the two telescopic devices on the same side, and each half-tank cover unit is respectively connected to the top of the two longitudinal brackets and the middle of the transverse bracket of one movable bracket mechanism; when each telescopic device is synchronously extended and retracted, it drives the tops of the two movable bracket mechanisms to move closer or farther away, thereby driving the two half-tank cover units to close or open.

[0010] Furthermore, the longitudinal bracket includes a bottom rod, a first middle rod, a second middle rod and a top rod which are fixedly connected in sequence from bottom to top, the two ends of the first middle rod respectively form obtuse angles with the bottom rod and the second middle rod in the same angle and opposite directions, the second middle rod is at a right angle to the top rod, the other end of the top rod is connected to the side of the half-tank cover unit, and the bottom end of the bottom rod is movably connected to the corresponding upper connecting pin; the transverse bracket includes an upper cross bar, a lower cross bar and a plurality of middle connecting rods connected between the upper cross bar and the lower cross bar, the two ends of the upper cross bar are connected to the corners of the second middle rod and the top rod on the two longitudinal brackets, and the two ends of the lower cross bar are respectively connected to the middle of the second middle rod on the two longitudinal brackets.

[0011] Furthermore, a second ear seat movably connected to the upper connecting pin is provided at the bottom end of the bottom rod; and a first ear seat movably connected to the telescopic end of the telescopic device is provided at the middle of the first middle rod.

[0012] Furthermore, first ribs are respectively arranged between two adjacent rods of the bottom rod, the first middle rod, the second middle rod and the top rod; and first ribs are respectively arranged between the two ends of the upper cross bar and the second middle rod and the top rod.

[0013] Furthermore, a second rib is provided on the other side of the bottom rod and the first middle rod.

[0014] Furthermore, a lifting lug seat is provided in the middle of the two upper cross bars.

[0015] Furthermore, the half-tank cover unit is respectively provided with a first interface on both sides, and a second interface is provided in the middle; the front end of the top rod extends into the corresponding first interface, and a locking block is provided at the bottom thereof, and the first interface is connected and fixed to the locking block by a connecting pin inserted through it; a middle connecting block is provided in the middle of the upper cross bar, and the middle connecting block is inserted into the corresponding second interface and connected and fixed by a connecting pin.

[0016] Furthermore, the upper base includes two side panels arranged at intervals, a plurality of reinforcement plates are fixedly arranged between the two side panels, and a connecting base plate is fixedly arranged between the bottoms; the bottom mounting seat includes a mounting seat base plate fixedly connected to the connecting base plate by connecting bolts, and a plurality of stiffening plates are evenly arranged on the bottom of the mounting seat base plate.

[0017] Furthermore, one side of the bottom plate of the mounting seat protrudes out from the side plate of the upper base.

[0018] According to another aspect of the present invention, there is provided a molten iron ladle truck equipped with the molten iron ladle double-sided covering device described in the above technical solution, the molten iron ladle truck comprising a frame and a molten iron ladle arranged in the middle of the frame, a control box is arranged on the frame, and its two sides are respectively connected and fixed to the two fixed bases of the double-sided covering device, a control device is arranged in the control box, and each of the telescopic devices is respectively connected to the control device.

[0019] Furthermore, it also includes a remote control device, the control device is connected to a communication device that is in communication connection with the remote control device, and the molten iron tank car is also provided with a camera device that is connected to the control device.

[0020] Compared with the prior art, the molten iron ladle split-type capping device and the molten iron ladle car equipped with the capping device described in the present invention have the following beneficial effects:

[0021] (1) The structural design of the present invention is novel and reasonable. Through a simple mechanical structure, the cover operation of the molten iron tank is realized. Compared with the traditional method of transporting molten iron tanks without covers, the high-temperature resistant molten iron tank cover is used to cover the molten iron tank, which can effectively reduce the wanton emission of smoke and dust during transportation and protect the environment.

[0022] (2) The present invention adopts the design of two fixed bases and two movable bracket mechanisms, and can realize the opening and closing operation of the molten iron ladle through the telescopic operation of four telescopic devices. The entire device is very compact and only needs to be installed on both sides of the frame of the molten iron ladle car without occupying other space on the frame. While meeting the requirements of covering, it does not affect the arrangement of other components on the molten iron ladle car.

[0023] (3) Compared with the traditional uncovered molten iron tank transportation method, the present invention can reduce the temperature drop of molten iron, which is beneficial to improving the quality of steel mill products and reducing production costs.

[0024] (4) The present invention can realize remote control of the molten iron tank truck loading molten iron through video positioning, thereby reducing safety hazards. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 A schematic diagram of an existing molten iron ladle car and a molten iron ladle thereon;

[0026] Figure 2 A schematic diagram of a molten iron ladle car equipped with a molten iron ladle split-type capping device according to the present invention;

[0027] Figure 3 A schematic side view of a molten iron ladle car equipped with a molten iron ladle split-type capping device according to the present invention;

[0028] Figure 4 It is a three-dimensional schematic diagram of the split-type capping device for a molten iron tank of the present invention;

[0029] Figure 5 It is a side view schematic diagram of the split-type capping device for a molten iron ladle of the present invention;

[0030] Figure 6 It is a front view schematic diagram of the split-type capping device for a molten iron tank of the present invention;

[0031] Figure 7 It is a top view schematic diagram of the split-type capping device for a molten iron tank of the present invention;

[0032] Figure 8-Figure 10 Schematic diagram of different viewing angles of the fixed base in the present invention;

[0033] Fig.11 Schematic diagram of different viewing angles of the fixed base in the present invention;

[0034] Figure 12-13 Schematic diagrams of the movable support mechanism of the present invention from different viewing angles;

[0035] Fig.14 This is a control schematic diagram of the molten iron ladle car of the present invention;

[0036] In the figure: 1. movable bracket mechanism; 11. longitudinal bracket; 111. bottom rod; 112. first middle rod; 113. second middle rod; 114. top rod; 115. first ear seat; 116. second ear seat; 117. locking block; 12. transverse bracket; 121. upper cross bar; 122. lower cross bar; 123. middle connecting rod; 13. first rib; 14. telescopic device; 15. middle connecting block; 16. connecting pin; 17. second rib; 18. hanging ear seat; 2. fixed base; 21. upper Base; 22, upper connecting pin; 211, side plate; 212, reinforcing plate; 213, connecting bottom plate; 23, lower connecting pin; 24, bottom mounting seat; 241, mounting seat bottom plate; 242, connecting bolt; 243, stiffening plate; 4, tank cover; 41, half tank cover unit; 42, first interface; 43, second interface; 5, molten iron tank car; 51, frame; 6, molten iron tank; 7, control box; 71, control device; 72, communication device; 73, camera device; 100, double-leaf covering device; 200, remote control device. DETAILED DESCRIPTION

[0037] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present invention. Unless otherwise defined, the technical terms or scientific terms used herein should be the usual meanings understood by people with general skills in the field to which the present disclosure belongs. "Up", "down", "left", "right", "front", "back" and the like used in the patent application specification and claims of the present disclosure are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship also changes accordingly; "connected" or "connected" and similar words are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. The parts not described in detail in the present invention are all known technologies of technicians in the field of this technology.

[0038] Embodiment 1:

[0039] As shown in the drawings, the invention provides a molten iron tank split cover device, which is used to cover the molten iron tank on the molten iron tank car during the transportation of molten iron. The molten iron tank split cover device includes a movable support mechanism 1, a fixed base 2 and a tank cover 4.

[0040] Two movable bracket mechanisms 1 are correspondingly arranged on the left and right sides, and each movable bracket mechanism 1 includes two symmetrically arranged longitudinal brackets 11 , the tops of the two longitudinal brackets 11 are connected by a transverse bracket 12 , and a telescopic device 14 is movably arranged in the middle of each longitudinal bracket 11 .

[0041] Two fixed bases 2 are provided, each of which includes an upper base 21 and a bottom mounting base 24 arranged up and down, the upper base 21 is used to support the entire device, and the bottom mounting base 24 is used to mount the entire device on the frame of the molten iron ladle car, and upper connecting pins 22 are symmetrically arranged on both sides of the top of the upper base 21, and lower connecting pins 23 are symmetrically arranged at both ends;

[0042] The tank cover 4 is composed of two half tank cover units 41, and the two half tank cover units 41 are assembled into a tank cover that is compatible with the tank mouth of the molten iron tank.

[0043] Wherein: the connecting pins 22 on each upper base 21 are respectively movably connected to the bottom of the two longitudinal brackets 11 corresponding to the same side of the two movable bracket mechanisms 1, the two lower connecting pins 23 of each upper base 21 are respectively movably connected to the other ends of the two telescopic devices 14 movably connected to the middle of the two longitudinal brackets 11 corresponding to the same side of the two movable bracket mechanisms 1, and the outer side of each half tank cover unit 41 is respectively connected to the top of the two longitudinal brackets 11 and the middle of the transverse bracket 12 of a movable bracket mechanism 1; when each telescopic device 14 is synchronously extended and retracted, it drives the tops of the two movable bracket mechanisms 1 to move closer or farther, and then drives the two half tank cover units 41 to close or open. The telescopic device 14 can be an electric telescopic rod or an oil cylinder, preferably an electric telescopic rod, which is convenient for arrangement between the fixed base 2 and the longitudinal bracket 11.

[0044] As a preferred embodiment, the longitudinal bracket 11 includes a bottom rod 111, a first middle rod 112, a second middle rod 113 and a top rod 114 which are fixedly connected in sequence from bottom to top. Each rod can be made of a square tube. The two ends of the middle rod 112 are respectively at an obtuse angle with the bottom rod 111 and the second middle rod 113. The two obtuse angles are at the same angle and in opposite directions. The second middle rod 113 is at a right angle to the top rod 114. The other end of the top rod 114 is connected to the half tank cover unit 4. 1, the bottom end of the bottom rod 111 is movably connected to the corresponding upper connecting pin 22; the transverse bracket 12 includes an upper cross bar 121, a lower cross bar 122 and a plurality of middle connecting rods 123 connected between the upper cross bar 121 and the lower cross bar 122, the two ends of the upper cross bar 121 are connected to the corners of the second middle rod 113 and the top rod 114 on the two longitudinal brackets 11, and the two ends of the lower cross bar 122 are respectively connected to the middle of the second middle rod 113 on the two longitudinal brackets 11.

[0045] To facilitate the active connection between the longitudinal bracket 11 and the upper connecting pin 22 and the telescopic device 14, a second ear seat 116 movably connected to the upper connecting pin 22 is provided at the bottom end of the bottom rod 111, and a first ear seat 115 movably connected to the telescopic end of the telescopic device 14 is provided in the middle of the first middle rod 112.

[0046] In order to increase the stability of the movable support mechanism 1, first ribs 13 are respectively provided between two adjacent rods of the bottom rod 111, the first middle rod 112, the second middle rod 113 and the top rod 114; first ribs 13 are respectively provided between the two ends of the upper cross bar 121 and the second middle rod 113 and the top rod 114. Furthermore, second ribs 17 are also provided on the other side of the bottom rod 111 and the first middle rod 112 to increase the stability of the rotating part. Two ribs can be provided at each position to further strengthen each rod and the connection between the rods.

[0047] In order to facilitate the installation of the entire covering device on the vehicle frame, a lifting lug seat 18 is provided in the middle of the two upper cross bars 121 to facilitate the lifting of the covering device onto the vehicle frame.

[0048] Considering the loss and replacement of the tank cover, as a preferred embodiment, the first interfaces 42 are respectively provided on both sides of the half tank cover unit 41, and the second interface 43 is provided in the middle thereof; the front end of the top rod 114 extends into the corresponding first interface 42, and the bottom thereof is provided with a locking block 117, and the first interface 42 is connected and fixed to the locking block 117 by inserting a connecting pin 16 through it; the middle part of the upper cross bar 121 is provided with a middle connecting block 15, which is inserted into the corresponding second interface 43 and connected and fixed by the connecting pin 16. By locking with the connecting pin 16, the damaged single tank cover unit 41 can be easily replaced.

[0049] In order to increase the stability of the fixed base, as a preferred embodiment, the upper base 21 includes two side plates 211 arranged at intervals, a plurality of reinforcing plates 212 are fixedly arranged between the two side plates 211, and a connecting bottom plate 213 is fixedly arranged between the bottoms; the bottom mounting seat 24 includes a mounting seat bottom plate 241 fixedly connected to the connecting bottom plate 213 by connecting bolts 242, and a plurality of reinforcing plates 243 are evenly arranged at the bottom of the mounting seat bottom plate 241. The upper and lower edges of the frame of the molten iron ladle truck usually protrude from its side, so as a preferred embodiment, one side of the mounting seat bottom plate 241 protrudes from the side plate 211 of the upper base 21, and the mounting seat bottom plate 241 can be supported on the frame position, and then detachably connected or welded.

[0050] Embodiment 2:

[0051] As shown in the drawings, the present invention provides a molten iron ladle car equipped with the molten iron ladle split-type capping device in Example 1, the molten iron ladle car 5 includes a frame 51 and a molten iron ladle 6 arranged in the middle of the frame 51, a control box 7 is arranged on the frame 51, and its two sides are respectively connected and fixed to the two fixed bases 2 of the split-type capping device 100, a control device 71 is arranged in the control box 7, and each telescopic device 14 is respectively connected to the control device 71. During implementation, the bottom mounting base 24 of the fixed base 2 can be symmetrically arranged on both sides of the frame 51, and then the entire capping device can be hoisted, and the upper base 21 can be connected to the connecting bottom plate 213 through the connecting bolts 242. When the molten iron tanker 5 goes to the designated location to receive the molten iron, the control device 71 is used to control the four telescopic devices 14 to contract, so that each movable support mechanism 1 opens to both sides, driving the two half-tank cover units 41 away, and then the molten iron can be filled; after the molten iron is filled, the four telescopic devices 14 are controlled to extend, so that the tops of the two movable support mechanisms 1 are brought together, driving the two half-tank cover units 41 to close into a complete tank cover, and then the tank can be transported. After arriving at the designated location, the tank cover can be opened in the above manner to pour the molten iron.

[0052] In order to ensure the safety of on-site operations, as a preferred embodiment, it also includes a remote control device 200, and the control device 71 is connected to a communication device 72 that communicates with the remote control device 200. The molten iron tank car 5 is also provided with a camera device 73 connected to the control device 71. The on-site image is transmitted to the control device 71 and the communication device 72 is transmitted to the remote control device 200. The operator sends an operation instruction to the control device 71 through the remote control device 200, and the control device 71 performs relevant opening or closing operations according to the received instructions.

Claims

1. A double-sided capping device for a molten iron tank, characterized in that: include: Two movable support mechanisms (1) are arranged correspondingly on the left and right, each of the movable support mechanisms (1) comprises two symmetrically arranged longitudinal supports (11) and a transverse support (12) arranged between the tops of the two longitudinal supports (11), and a telescopic device (14) is movably arranged in the middle of each longitudinal support (11); Two fixed bases (2), each of the fixed bases (2) comprising an upper base (21) and a bottom mounting base (24) arranged up and down, upper connecting pins (22) being symmetrically arranged on both sides of the top of the upper base (21), and lower connecting pins (23) being symmetrically arranged on both ends; A tank cover (4), comprising two half tank cover units (41); Wherein: the two upper connecting pins (22) and the two lower connecting pins (23) of each upper base (21) are respectively movably connected to the bottom of the two longitudinal supports (11) on the same side of the two movable support mechanisms (1) and the other ends of the two telescopic devices (14) on the same side, and each half-tank cover unit (41) is respectively connected to the top of the two longitudinal supports (11) and the middle of the transverse support (12) of one movable support mechanism (1); when each telescopic device (14) is synchronously extended and retracted, it drives the tops of the two movable support mechanisms (1) to move closer or farther away, thereby driving the two half-tank cover units (41) to close or open.

2. The double-sided capping device for a molten iron ladle according to claim 1, characterized in that: The longitudinal support (11) comprises a bottom rod (111), a first middle rod (112), a second middle rod (113) and a top rod (114) which are fixedly connected in sequence from bottom to top, the two ends of the first middle rod (112) respectively form obtuse angles with the bottom rod (111) and the second middle rod (113) in the same angle and opposite directions, the second middle rod (113) and the top rod (114) form a right angle, the other end of the top rod (114) is connected to the side of the half tank cover unit (41), the bottom end of the bottom rod (111) is connected to the bottom of the half tank cover unit (41), and the bottom end of the bottom rod (111) is connected to the bottom of the half tank cover unit (41). The lateral support (12) is movably connected to the corresponding upper connecting pin (22); the lateral support (12) comprises an upper cross bar (121), a lower cross bar (122) and a plurality of middle connecting bars (123) connected between the upper cross bar (121) and the lower cross bar (122); the two ends of the upper cross bar (121) are connected to the corners of the second middle rod (113) and the top rod (114) on the two longitudinal supports (11); the two ends of the lower cross bar (122) are respectively connected to the middle of the second middle rod (113) on the two longitudinal supports (11).

3. The double-opening capping device for a molten iron ladle according to claim 2, characterized in that: The bottom end of the bottom rod (111) is provided with a second ear seat (116) movably connected to the upper connecting pin (22); the middle part of the first middle rod (112) is provided with a first ear seat (115) movably connected to the telescopic end of the telescopic device (14).

4. The double-sided capping device for a molten iron ladle according to claim 2, characterized in that: A first rib (13) is provided between two adjacent rods of the bottom rod (111), the first middle rod (112), the second middle rod (113) and the top rod (114); and a first rib (13) is provided between the two ends of the upper cross bar (121) and the second middle rod (113) and the top rod (114).

5. The double-leaf capping device for a molten iron ladle according to claim 4, characterized in that: A second rib plate (17) is also provided on the other side of the bottom rod (111) and the first middle rod (112).

6. The double-leaf capping device for a molten iron ladle according to claim 2, characterized in that: A lifting lug seat (18) is provided in the middle of the two upper cross bars (121).

7. The double-leaf capping device for a molten iron ladle according to claim 2, characterized in that: The half-tank cover unit (41) is provided with first interfaces (42) on both sides, and a second interface (43) is provided in the middle thereof; the front end of the top rod (114) extends into the corresponding first interface (42), and a locking block (117) is provided at the bottom thereof, and the first interface (42) is connected and fixed to the locking block (117) by a connecting pin (16) inserted through it; a middle connecting block (15) is provided in the middle of the upper cross bar (121), and the middle connecting block (15) is inserted into the corresponding second interface (43) and connected and fixed by the connecting pin (16).

8. A double-sided capping device for a molten iron ladle according to claims 1-7, characterized in that: The upper base (21) comprises two side plates (211) arranged at intervals, a plurality of reinforcing plates (212) are fixedly arranged between the two side plates (211), and a connecting bottom plate (213) is fixedly arranged between the bottoms; the bottom mounting seat (24) comprises a mounting seat bottom plate (241) fixedly connected to the connecting bottom plate (213) via connecting bolts (242), a plurality of reinforcing plates (243) are evenly arranged at the bottom of the mounting seat bottom plate (241); one side of the mounting seat bottom plate (241) protrudes from the side plate (211) of the upper base (21).

9. A molten iron ladle car equipped with the molten iron ladle double-opening capping device according to any one of claims 1 to 8, the molten iron ladle car (5) comprising a frame (51) and a molten iron ladle (6) arranged in the middle of the frame (51), characterized in that: A control box (7) is arranged on the frame (51), and two sides of the control box are respectively connected and fixed to the two fixed bases (2) of the split-type covering device (100). A control device (71) is arranged in the control box (7), and each of the telescopic devices (14) is respectively connected to the control device (71).

10. The molten iron ladle car equipped with a molten iron ladle split-type capping device according to claim 9, characterized in that: It also includes a remote control device (200), the control device (71) is connected to a communication device (72) that is communicatively connected to the remote control device (200), and the molten iron tank car (5) is also provided with a camera device (73) that is connected to the control device (71).

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