Automatic calcium carbide pot jacking device

Abstract

The utility model belongs to the technical field of calcium carbide production, and discloses an automatic calcium carbide pot jacking device which comprises a furnace discharging track, a furnace discharging trolley and a foundation pit, the furnace discharging trolley is arranged on the furnace discharging track, and the foundation pit is formed in the ground below the furnace discharging track; the furnace discharging trolley is used for bearing a calcium carbide pot; an ejection groove is formed in the furnace discharging trolley; the calcium carbide pot is positioned right above the ejection groove; a pot jacking oil cylinder is arranged at the middle position in the foundation pit, and the pot jacking oil cylinder penetrates through the jacking groove in the vertical direction to stretch out or retract; supporting mechanisms are respectively arranged on the inner walls of the foundation pit on two sides of the pot jacking oil cylinder; proximity sensors are arranged at the corresponding positions of the supporting mechanism and the bottom of the furnace discharging trolley. The positioning device can quickly realize accurate positioning, and is small in occupied space and simple in structure.

Description

TECHNICAL FIELD

[0001] The utility model belongs to calcium carbide production technical field, concretely is a kind of calcium carbide pot automatic pot lifting device. BACKGROUND

[0002] Calcium carbide is a kind of white crystal, it is also a kind of inorganic compound, can be widely used in industry, agriculture, building, medicine and other fields, and in calcium carbide production process, high-temperature calcium carbide during tapping is flowed into calcium carbide pot from calcium carbide furnace, then cooling solidification is carried out, and calcium carbide is separated from calcium carbide pot by hoisting, realizes calcium carbide potting and transportation.Calcium carbide hoisting method: generally, hoisting machinery is used to hoist away cooled calcium carbide, but due to the weight of calcium carbide, in order to reduce the failure risk of hoisting machinery, calcium carbide needs to be lifted upwards under calcium carbide pot to realize calcium carbide potting in cooperation with hoisting machinery.

[0003] In the process of calcium carbide pot lifting, the traditional method is to lift the pot manually, but due to the time and effort, it has been replaced by automatic pot lifting device.Referring to the calcium carbide pot automatic pot lifting device with authorization announcement No.CN212476131 U, a pot lifting pit is opened under the calcium carbide tapping track, and a pot lifting rod is arranged in the pot lifting pit;an out-of-furnace trolley is arranged above the pot lifting pit, and a calcium carbide pot is placed on the out-of-furnace trolley, and a positioning mark is arranged on the out-of-furnace trolley corresponding to the center position of the bottom of the calcium carbide pot;the calcium carbide pot filled with calcium carbide liquid is walked on the out-of-furnace trolley and cooled to solid calcium carbide;when the positioning rod on the pot lifting rod hits the positioning mark, it indicates that the center point has been found, and whether the center line of the calcium carbide pot overlaps the center line of the pot lifting rod is judged according to the camera;after overlapping, pot lifting operation is carried out.

[0004] Although the existing pot lifting device can realize automatic pot lifting of calcium carbide, the following problems exist:

[0005] (1) The positioning between the existing calcium carbide pot and the pot lifting rod is mainly realized by the positioning mark and the positioning rod, and the positioning is realized only after the camera judges whether the center line of the calcium carbide pot overlaps the center line of the pot lifting rod;there are many factors to judge the position, not only the positioning is not accurate, but also the positioning process is complex.

[0006] (2) The existing pot lifting device sets a pot lifting device pit adjacent to the pot lifting pit, and the lifting system is arranged in the pot lifting device pit;the bottom of the lifting system and the pot lifting rod are connected through a Z-shaped connecting rod;not only the space is large, but also the pot lifting structure is complex. UTILITY MODEL CONTENTS

[0007] The utility model aims at providing a kind of calcium carbide pot automatic pot lifting device, can realize accurate positioning quickly, small space occupation, simple structure;To solve the problems raised in the background art.

[0008] To achieve the above object, the utility model provides the following technical scheme:

[0009] The utility model provides an automatic device of calcium carbide pot, including furnace outlet track, furnace outlet car and foundation pit, the furnace outlet car is placed on furnace outlet track, and the foundation pit is set up on the ground below furnace outlet track;

[0010] The furnace outlet car is used for carrying calcium carbide pot, and a ejection groove is formed in the furnace outlet car, and the calcium carbide pot is located directly above the ejection groove;

[0011] A pot ejection oil cylinder is arranged at the middle position in the foundation pit and extends or retracts along the vertical direction through the ejection groove;

[0012] Supporting mechanisms are arranged on the inner walls of the foundation pit on both sides of the pot ejection oil cylinder, and proximity sensors are arranged at the corresponding positions of the supporting mechanisms and the bottom of the furnace outlet car.

[0013] Further, the supporting mechanism comprises a supporting plate and a supporting block arranged at the middle position on the top of the supporting plate, and the proximity sensor is arranged on the top of the supporting block.

[0014] Further, the output end of the pot ejection oil cylinder is fixedly connected with a top plate, and the top plate is located above the two supporting mechanisms; the top plate extends or retracts through the ejection groove along with the pot ejection oil cylinder.

[0015] Further, the top of the supporting plate is also provided with a control switch near the side of the pot ejection oil cylinder, and supporting plates are arranged on both sides of the pot ejection oil cylinder on the lower bottom surface of the top plate, and touch blocks are arranged at the lower ends of the supporting plates; the touch blocks correspond to the positions of the control switches.

[0016] Further, the bottom end of the ejection groove is provided with a pair of shielding plates, and the furnace outlet car is provided with a moving groove corresponding to the shielding plates on both sides of the ejection groove; the shielding plates slide in or out of the moving groove.

[0017] Further, the shielding plates are provided with sliding blocks, and the furnace outlet car is provided with sliding grooves; the shielding plates slide in or out of the moving groove through the sliding blocks and the sliding grooves.

[0018] Further, the furnace outlet car is provided with a motor, the furnace outlet car on one side of the ejection groove is provided with a screw rod groove, and a bidirectional screw rod is arranged in the screw rod groove; the two ends of the bidirectional screw rod are threadedly connected with threaded blocks, and the other sides of the threaded blocks are connected with the corresponding shielding plates; the motor is connected with the bidirectional screw rod.

[0019] Further, the middle position of the bidirectional screw rod is provided with a gear two, and a gear one is arranged in the screw rod groove, and the gear one and the gear two are meshed with each other.

[0020] Compared with the prior art, the utility model has the beneficial effects that:

[0021] 1. The utility model discloses a positioning mechanism for the furnace car and the foundation pit is realized through the induction between the proximity sensor, not only can real-time, accurate positioning, and positioning operation is more simple, and through the top pot oil cylinder in the foundation pit realizes top pot simultaneously, and the occupied space is small, and the structure is simple.

[0022] 2. The utility model discloses a control switch is set up on the supporting plate, and the supporting plate is set up on the bottom surface of the top plate, and the supporting plate lower extreme all is equipped with the touch block, the touch block with control switch position corresponds, when top pot oil cylinder retracts and moves down after top pot is completed, if touch block and control switch contact, then indicate that top pot is completed, at this moment, according to the contact signal control furnace car continues to start, and the operation is convenient.

[0023] 3. The utility model discloses a pair of shielding plates are arranged at the bottom end of the ejection groove, and a moving groove corresponding to the shielding plates is arranged in the furnace car on both sides of the ejection groove. The shielding plates slide in or out of the moving groove. When the pot is being lifted, the shielding plates slide into the moving groove, exposing the ejection groove for lifting. During the movement of the furnace car, the shielding plates slide out of the moving groove to shield the ejection groove, preventing dust from entering the ejection groove and avoiding the problem of poor ejection caused by dust accumulation.

[0024] 4. The utility model discloses a sliding block is arranged on the shielding plate, and a sliding groove is formed on the furnace car. The sliding block slides in the sliding groove, making the shielding plate slide in or out of the moving groove more stably.

[0025] 5. The proximity sensor in the utility model selects a high-temperature-resistant proximity sensor, which can work stably in the high-temperature environment of the calcium carbide liquid, prolonging the service life of the equipment and reducing the maintenance frequency and replacement cost of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is the front view structure schematic diagram of the utility model;

[0027] Figure 2 It is the top view structure schematic diagram of the furnace car, bidirectional screw rod and shielding plate of the utility model;

[0028] Figure 3 It is the Figure 1 enlarged structure schematic diagram of A place in the utility model;

[0029] Figure 4 It is the Figure 2 enlarged structure schematic diagram of B place in the utility model;

[0030] Figure 5 It is the top view structure schematic diagram of the protective cover of the utility model;

[0031] In the figure: 1, the furnace rail; 2, the furnace car; 3, the calcium pot; 4, the bottom plate; 5, the ejection groove; 6, the protective cover; 7, the top pot oil cylinder; 8, the support plate; 9, the shielding plate; 10, the moving groove; 11, the screw rod groove; 12, the bidirectional screw rod; 13, the threaded block; 14, the sliding groove; 15, the sliding block; 16, the top plate; 17, the support plate; 18, the proximity sensor; 19, the support block; 20, the control switch; 21, the motor; 22, the gear one; 23, the gear two; 24, the controller; 25, the battery. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present application will be clearly and completely described in connection with the drawings in the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0033] It should be noted that the terms used herein are only intended to describe specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form unless the context clearly indicates otherwise, and it should also be understood that the terms "comprise" and / or "include" as used in the specification indicate the presence of features, steps, operations, devices, components and / or combinations thereof.

[0034] It should be noted that the terms "first", "second" and the like in the specification and claims of the present application and the above-described drawings are used to distinguish similar objects, and do not necessarily indicate a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein.

[0035] Embodiment 1

[0036] Referring to Figures 1-5 The present embodiment provides an automatic calcium pot ejection device, which comprises a furnace rail 1, a furnace car 2 and a foundation pit.

[0037] The furnace car 2 is placed on the furnace rail 1, and the foundation pit is opened on the ground below the furnace rail 1; the furnace car 2 is used to carry the calcium pot 3; the ejection groove 5 is opened on the furnace car 2; the calcium pot 3 is located directly above the ejection groove 5; the top pot oil cylinder 7 is arranged at the middle position in the foundation pit, and the top pot oil cylinder 7 extends or retracts along the vertical direction through the ejection groove 5; the support mechanism is arranged on the inner wall of the foundation pit on both sides of the top pot oil cylinder 7; the proximity sensor 18 is arranged at the corresponding position of the support mechanism and the bottom of the furnace car 2.

[0038] In this embodiment, the middle position of the top of the car 2 is provided with a calcium pot 3, the top and bottom of the calcium pot 3 are provided with openings, and the bottom of the calcium pot 3 is provided with a sealing bottom plate 4, and the middle position of the car 2 is provided with an ejection groove 5.

[0039] In this embodiment, the support mechanism includes a support plate 8 and a support block 19 arranged at the middle position of the top of the support plate 8, and the proximity sensor 18 is arranged on the top of the support block 19.

[0040] Preferably, since the support mechanism is two, and is arranged on the axial sides of the top pot oil cylinder 7, for example, left and right, that is, one support mechanism is arranged on the left side of the top pot oil cylinder 7, and the other support mechanism is arranged on the right side of the top pot oil cylinder 7, and one proximity sensor 18 is arranged on the support block 19 of each support mechanism; At this time, two proximity sensors 18 are also arranged on the car 2, and the arrangement positions correspond to each other with the two proximity sensors 18 arranged on the support block 19, and the precise positioning of the car 2 and the center position of the foundation pit is realized through the two pairs of proximity sensors 18, so that the car 2 is accurately stopped above the top pot oil cylinder 7.

[0041] Preferably, the proximity sensor 18 is a high-temperature-resistant proximity sensor, because the temperature of the calcium liquid from the calcium furnace is high, even if there is the isolation of the calcium pot 3, the temperature of the car 2 is also relatively high, and the selection of the high-temperature-resistant proximity sensor can maintain the instrument accuracy in the high-temperature environment, realize the precise positioning, prevent the inaccuracy of the proximity sensor 18 caused by high temperature, and affect the service life of the proximity sensor 18, thereby reducing the maintenance frequency and replacement cost of the equipment.

[0042] In this embodiment, the output end of the top pot oil cylinder 7 is fixedly connected with a top plate 16, and the top plate 16 is located above the two support mechanisms; the top plate 16 is extended or retracted along with the top pot oil cylinder 7 passing through the ejection groove 5.

[0043] In this embodiment, the middle position of the two side edges of the bottom of the top plate 16 is provided with a support plate 17, and the bottom of the support plate 17 is provided with a touch block corresponding to the position of the control switch 20, and the middle position of the side of the support plate 8 close to the top pot oil cylinder 7 is provided with a control switch 20.

[0044] In this embodiment, a protective cover 6 is further arranged around the top pot oil cylinder 7 at the bottom of the foundation pit, and a controller 24 is arranged on one side in the protective cover 6; the controller 24 is connected with the proximity sensor 18, the top pot oil cylinder 7 and the motor 21 respectively.

[0045] The controller 24 is a common control element for calcium production, which is mainly used for receiving the sensing signal of the proximity sensor, and controlling the start and stop of the top pot oil cylinder 7 and the motor 21 according to the received sensing signal. The controller 24 is an existing commercially available product.

[0046] Specifically, the top of the furnace outlet track 1 is provided with a furnace outlet vehicle 2, and the bottom of the furnace outlet track 1 is provided with a foundation pit at one end, and the middle position of the foundation pit at the bottom of the furnace outlet track 1 is provided with a top pot oil cylinder 7, the output end of the top pot oil cylinder 7 is fixedly connected with a top plate 16, the inner wall of the foundation pit on both sides of the top end of the top pot oil cylinder 7 is provided with a support plate 8, and the middle position of the top of the support plate 8 is provided with a support block 19, and the middle position of the top of the support block 19 and the bottom of the furnace outlet vehicle 2 is provided with a proximity sensor 18. The position of the support plate 8 on the top near the side of the top pot oil cylinder 7 is also provided with a control switch 20, and the bottom of the top plate 16 is provided with a support plate 17 on both sides of the top pot oil cylinder 7, and the lower end of the support plate 17 is provided with a touch block; the touch block corresponds to the position of the control switch 20.

[0047] The foundation pit on the side of the top pot oil cylinder 7 is provided with a protective cover 6, and the inside of the protective cover 6 is provided with a controller 24 on one side, and the other side of the protective cover 6 is provided with a battery 25; when in use, the entire device is powered by the battery 25.

[0048] When in use, the furnace outlet vehicle 2 moves to above the foundation pit on the furnace outlet track 1, the proximity sensor 18 on the bottom of the furnace outlet vehicle 2 is aligned with the proximity sensor 18 on the support block 19, and the two groups of proximity sensors 18 generate an induction signal when approaching, and the furnace outlet vehicle 2 is controlled to stop running according to the induction signal, so that the furnace outlet vehicle 2 is located directly above the foundation pit, at this time, the ejection groove 5 of the furnace outlet vehicle 2 is aligned with the top plate 16; at the same time, the controller 24 controls the top pot oil cylinder 7 to start according to the received induction signal, and moves upward along the axial direction of the top pot oil cylinder 7, so as to drive the top plate 16 to be lifted upward, the top plate 16 lifts the solidified calcium carbide on the bottom plate 4 in the calcium carbide pot 3 upward, facilitating subsequent hoisting, after hoisting, the top pot oil cylinder 7 can be started again in the reverse direction to drive the top plate 16 to move downward, so that the bottom of the top plate 16 moves downward, and the touch block at the bottom of the support plate 17 contacts the control switch 20 to generate a contact signal, and the furnace outlet vehicle 2 continues to start transportation according to the contact signal. In the embodiment, the two groups of proximity sensors 18 are used to realize accurate positioning of the furnace outlet vehicle 2 directly above the foundation pit, and then the top pot oil cylinder 7 is used to realize automatic ejection of calcium carbide; in addition, when the top pot is not used, the support plate 17 and the support plate 8 can be used to shield the foundation pit, so as to reduce the dust entering the foundation pit, thereby avoiding the dust entering the top pot oil cylinder 7 and improving the service life of the top pot oil cylinder 7.

[0049] Embodiment 2

[0050] On the basis of the embodiment 1, the automatic calcium carbide pot ejection device provided in the embodiment is provided with a pair of shielding plates 9 at the bottom end of the ejection groove 5, and a moving groove 10 corresponding to the shielding plate 9 is arranged in the furnace outlet vehicle 2 on both sides of the ejection groove 5; the shielding plate 9 slides in or out of the moving groove 10.

[0051] In the embodiment, the shielding plate 9 is provided with a sliding block 15, and the discharge car 2 is provided with a sliding groove 14; the shielding plate 9 is slid into or out of the moving groove 10 through the sliding block 15 and the sliding groove 14.

[0052] In the embodiment, the discharge car 2 is provided with a motor 21, the discharge car 2 on one side of the ejection groove 5 is provided with a screw rod groove 11, and the screw rod groove 11 is provided with a bidirectional screw rod 12; the two ends of the bidirectional screw rod 12 are both connected with a threaded block 13 through threads, and the other side of the threaded block 13 is connected with the corresponding shielding plate 9; the motor 21 is connected with the bidirectional screw rod 12. The middle position of the bidirectional screw rod 12 is provided with a gear two 23, and the screw rod groove 11 is provided with a gear one 22, and the gear one 22 and the gear two 23 are meshed with each other.

[0053] Specifically, the discharge car 2 on one side of the ejection groove 5 is provided with a screw rod groove 11, and the screw rod groove 11 is provided with a bidirectional screw rod 12, the middle position of the bidirectional screw rod 12 is provided with a gear two 23, and the two ends of the bidirectional screw rod 12 are both connected with a threaded block 13 through threads, and the other side of the threaded block 13 is connected with the corresponding shielding plate 9, the discharge car 2 on one side of the gear two 23 is provided with a motor groove, the motor groove is provided with a motor 21, the output end of the motor 21 extends to the gear one 22 in the screw rod groove 11 through a bearing, and the gear one 22 and the gear two 23 are meshed with each other.

[0054] In the embodiment, when the discharge car 2 is running, the two shielding plates 9 are both slid out of the moving groove 10, forming a closed state, at this time, the ejection groove 5 is shielded by the shielding plate 9, preventing dust from entering and preventing dust from adhering to the inner wall of the ejection groove 5; when the discharge car 2 stops directly above the foundation pit, the controller 24 controls the motor 21 to start, the motor 21 drives the gear one 22 on the shaft to rotate, the gear one 22 drives the gear two 23 meshed with it to rotate, the gear two 23 drives the bidirectional screw rod 12 to rotate, and the bidirectional screw rod 12 drives the shielding plate 9 connected on one side of the threaded block 13 to move, when the shielding plate 9 moves, the other end of the sliding block 15 can be moved in the sliding groove 14, ensuring that the shielding plate 9 moves more stably, until the shielding plate 9 slides into the moving groove 10 to expose the ejection groove 5, and then the pot lifting cylinder 7 is started to move upward to complete the pot lifting; after the pot lifting is completed, the pot lifting cylinder 7 is reset downward, at this time, the contact block contacts the control switch 20 to generate a contact signal, and the discharge car 2 is controlled to continue to start moving on the discharge track 1 according to the contact signal; at the same time, the controller 24 controls the motor 21 to rotate reversely according to the contact signal, so that the two shielding plates 9 slide out of the moving groove 10 to close, thereby shielding the ejection groove 5.

[0055] It should be noted that the movement and stop of the tapping car 2 on the tapping track 1 are realized by a DCS control system which is conventional in the production of calcium carbide, and the movement and stop control of the tapping car 2 by the DCS control system is prior art. Therefore, in the utility model, the induction signals and the contact signals generated in the device are all transmitted to the DCS control system, so as to control the movement and stop of the tapping car 2 by the DCS control system.

[0056] Obviously, the above-described embodiments are only a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without making creative labor should belong to the protection scope of the utility model.

Claims

1. An automatic top-loading device for a calcium carbide pot, characterized in that: It includes a furnace discharge track (1), a furnace discharge car (2) and a foundation pit. The furnace discharge car (2) is placed on the furnace discharge track (1), and the foundation pit is opened on the ground below the furnace discharge track (1). The furnace car (2) is used to carry the calcium carbide pot (3); a top outlet groove (5) is opened on the furnace car (2); the calcium carbide pot (3) is located directly above the top outlet groove (5); A top-dump oil cylinder (7) is installed in the middle of the pit, and the top-dump oil cylinder (7) extends or retracts through the top-out groove (5) in the vertical direction. Support mechanisms are respectively installed on the inner walls of the pit on both sides of the top pot oil cylinder (7); proximity sensors (18) are installed at the corresponding positions at the bottom of the support mechanism and the furnace car (2).

2. The automatic top-loading device for a calcium carbide pot according to claim 1, characterized in that: The support mechanism includes a support plate (8) and a support block (19) located at the middle position on the top of the support plate (8), and the proximity sensor (18) is located on the top of the support block (19).

3. The automatic top-loading device for a calcium carbide pot according to claim 2, characterized in that: The output end of the top pot oil cylinder (7) is fixedly connected to a top plate (16), and the top plate (16) is located above the two support mechanisms; the top plate (16) extends or retracts as the top pot oil cylinder (7) passes through the top outlet groove (5).

4. The automatic top-loading device for a calcium carbide pot according to claim 3, characterized in that: The support plate (8) is provided with a control switch (20) on the side of the top pot oil cylinder (7) and the bottom surface of the top plate (16) is provided with support plates (17) on both sides of the top pot oil cylinder (7). The lower end of the support plate (17) is provided with a touch block; the touch block is corresponding to the position of the control switch (20).

5. The automatic top-loading device for a calcium carbide pot according to claim 4, characterized in that: The bottom end of the top outlet trough (5) is provided with a split baffle plate (9), and the furnace exit cars (2) on both sides of the top outlet trough (5) are provided with corresponding moving grooves (10) for the baffle plate (9); the baffle plate (9) slides in or out of the moving groove (10).

6. The automatic top-loading device for a calcium carbide pot according to claim 5, characterized in that: The baffle plate (9) is provided with a slider (15), and the furnace car (2) is provided with a chute (14); the baffle plate (9) slides in or out of the moving groove (10) through the slider (15) and the chute (14).

7. The automatic top-loading device for a calcium carbide pot according to claim 6, characterized in that: The furnace car (2) is equipped with a motor (21), and the furnace car (2) on one side of the top outlet groove (5) is equipped with a screw groove (11), and the screw groove (11) is equipped with a bidirectional screw (12); and both ends of the bidirectional screw (12) are connected to threaded blocks (13) by threads, and the other side of the threaded blocks (13) is connected to the corresponding baffle plate (9); the motor (21) is connected to the bidirectional screw (12).

8. The automatic top-loading device for a calcium carbide pot according to claim 7, characterized in that: The bidirectional lead screw (12) has a second gear (23) at its middle position, and a first gear (22) is provided in the lead screw groove (11), and the first gear (22) and the second gear (23) mesh with each other.

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