Steel billet position detection device

Abstract

The utility model discloses a steel billet position detection device, relates to the field of steel making, and solves the technical problems of sensor damage, inaccurate detection, high maintenance cost and high consumption cost which are easily caused by a correlation grating detection mode in the existing high-temperature environment. The device comprises a rotating shaft and a second mounting structure, the rotating shaft is rotatably mounted above a roller way through the first mounting structure, an impact plate is fixedly mounted on the rotating shaft, the impact plate is located above the roller way and extends to a traveling path of a steel billet, an adjusting plate is fixedly mounted at one end of the rotating shaft, and the adjusting plate is fixedly mounted on the rotating shaft. The adjusting plate is fixedly connected with a balancing weight through a connecting rope, the balancing weight is movably inserted into a second mounting structure in a penetrating mode, and the second mounting structure is fixedly provided with a proximity switch. Compared with a correlation grating in the prior art, the utility model has the characteristics that the correlation grating is not easy to be damaged by heat radiation, the synchronous vibration is not easy to cause signal offset, the maintenance cost is lower, and the consumption cost is lower.

Description

Technical Field

[0001] The utility model relates to the field of steelmaking, and more specifically, to a steel billet position detection device. Background Art

[0002] The current usage of billet detection devices is as follows: The current metallurgical industry mainly uses roller conveyor for billet transportation. In order to achieve automatic control, the position of the billet must be detected. The current metallurgical industry mainly uses the detection method of the beam grating for "physical blocking" detection. The position detection sensor used in this high temperature environment has the following main defects:

[0003] 1. When the roller conveyor is running high-temperature billets in this environment, the thermal radiation will easily damage the sensor. Although the installation of cooling water pipes and compressed air purge pipes can ensure that the grating sensor is not damaged, the cooling and purge will cause the surrounding air flow rate to increase, thereby bringing a large amount of airborne dust into the probe, resulting in inaccurate detection signals.

[0004] 2. When the roller is running, the blank flips and falls onto the roller, which will generate vibration and cause the surrounding infrastructure to vibrate synchronously, causing the angle of the incident grating to shift and generate an error signal.

[0005] 3. The maintenance cost of the through-beam grating is high, and the through-beam grating needs to be calibrated, cleaned and calibrated every day.

[0006] 4. The consumption cost of the beam grating is high, its cost is expensive, its service life is short, and it needs to be replaced frequently. Utility Model Content

[0007] The technical problem to be solved by the utility model is to provide a steel billet position detection device in view of the deficiencies in the prior art, so as to solve the technical problems that the existing incident grating detection method under high temperature environment is prone to sensor damage, inaccurate detection, high maintenance cost and high consumption cost.

[0008] The utility model describes a steel billet position detection device, which includes a rotating shaft and a second mounting structure, wherein the rotating shaft is rotatably mounted on a roller table via the first mounting structure, an impact plate is fixedly mounted on the rotating shaft, the impact plate is located above the roller table and extends to the traveling path of the steel billet, an adjustment plate is fixedly mounted on one end of the rotating shaft, the adjustment plate is fixedly connected to a counterweight block via a connecting rope, a proximity switch is fixedly mounted in the second mounting structure, and a probe of the proximity switch faces the moving path of the counterweight block.

[0009] As a further improvement, the first mounting structure includes two bearing brackets, the two bearing brackets are fixedly mounted on both sides of the roller conveyor, bearings are fixedly mounted above the two bearing brackets, and the rotating shaft is fixedly connected to the inner ring of the bearing.

[0010] Furthermore, a screw is fixedly connected to one end of the rotating shaft away from the bearing, three adjustment holes are provided on the adjustment plate, the adjustment plate is sleeved on the screw through any adjustment hole, and the adjustment plate is fixedly mounted on the rotating shaft by a nut screwed on the screw.

[0011] Furthermore, a connecting column is fixedly installed on the adjustment plate, and one end of the connecting rope is fixedly connected to the connecting column.

[0012] Furthermore, the second mounting structure includes a support plate, a support rod and a first connecting plate, the bottom of the support rod is fixedly connected to the support plate, one end of the support rod is fixedly connected to one side of the first connecting plate, the bottom of the first connecting plate is fixedly connected to the second connecting plate, the second connecting plate is provided with a first socket, the proximity switch is fixedly installed in the first socket, one side of the first connecting plate is fixedly connected to a pipe, and the counterweight block is movably inserted in the pipe.

[0013] Furthermore, a pull ring is fixedly connected to the top of the counterweight block, and the pull ring is fixedly connected to the other end of the connecting rope.

[0014] Furthermore, the support plate is provided with four threaded holes, and the support plate is fixedly mounted on the ground by bolts screwed into the threaded holes.

[0015] Furthermore, the impact plate is a trapezoidal steel plate, a heat insulation layer is laid on the surface of the steel plate, and a protective layer is provided outside the heat insulation layer.

[0016] Furthermore, a latch hole is provided at one end of the rotating shaft close to the bearing, and a latch is inserted into the latch hole.

[0017] Furthermore, the proximity switch is electrically connected to the controller.

[0018] Beneficial Effects

[0019] The advantages of the utility model are:

[0020] 1. The utility model sets a rotating shaft, a first mounting structure and a second mounting structure. The steel billet hits the impact plate installed on the rotating shaft. The rotating shaft pulls the counterweight block. The movement of the counterweight block activates the proximity switch, thereby detecting the position of the steel billet. The irradiation of thermal radiation will not cause damage to the impact plate. Compared with the corresponding grating in the prior art, it has the characteristics of not being easily damaged by thermal radiation, not being easily caused by synchronous vibration to cause signal deviation, having low maintenance cost and low consumption cost.

[0021] 2. The utility model lays a heat insulation layer and a protective layer outside the impact plate, so that when the hot steel billet impacts the impact plate multiple times, it is ensured that the impact plate is not damaged by high temperature and impact. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is the on-site installation diagram of the detection device of the utility model;

[0023] Figure 2 This is a schematic diagram of the structure of the adjustment plate of the utility model;

[0024] Figure 3 It is a schematic diagram of the second installation structure of the utility model.

[0025] Among them: 1-bearing bracket, 2-rotating shaft, 3-impact plate, 4-adjusting plate, 5-bearing, 6-adjusting hole, 7-connecting column, 8-connecting rope, 9-proximity switch, 10-support plate, 11-support rod, 12-first connecting plate, 13-second connecting plate, 14-pipeline, 15-counterweight, 16-pull ring, 17-threaded hole, 18-pin, 19-steel billet, 20-roller, 21-screw. DETAILED DESCRIPTION

[0026] The utility model is further described below in conjunction with the embodiments, but does not constitute any limitation to the utility model. Any limited modifications made by anyone within the scope of the claims of the utility model are still within the scope of the claims of the utility model.

[0027] See also Figure 1-Figure 3 The utility model is a billet position detection device, which includes a rotating shaft 2 and a second mounting structure. The rotating shaft 2 is rotatably mounted on the roller 20 through the first mounting structure. The first mounting structure includes two bearing brackets 1, which are respectively fixedly mounted on both sides of the roller 20. Bearings 5 ​​are fixedly mounted above the two bearing brackets 1, and the rotating shaft 2 is movably inserted in the two bearings 5. The first mounting structure is used to mount the rotating shaft above the roller 20.

[0028] An impact plate 3 is fixedly mounted on the rotating shaft 2, and the impact plate 3 is located above the roller 20 and extends to the path of the steel billet 19. An adjustment plate 4 is fixedly mounted on one end of the rotating shaft 2. The steel billet can hit the impact plate 3 to rotate, and the impact plate 3 drives the rotating shaft 2 to rotate.

[0029] The impact plate 3 is a trapezoidal steel plate, the surface of which is provided with a heat insulation layer, and a protective layer is provided outside the heat insulation layer. The heat insulation layer is made of asbestos, and the heat insulation layer prevents the impact plate 3 from being damaged by high temperature. A protective layer is also provided outside the heat insulation layer, and the material of the protective layer is a vacuum layer, to prevent the heat insulation layer from being damaged by impact.

[0030] A screw rod 21 is fixedly connected to one end of the rotating shaft 2 away from the bearing 5. Three adjustment holes 6 are provided on the adjusting plate 4. The adjusting plate 4 is sleeved on the screw rod 21 through different adjustment holes 6 to achieve three different gear connection modes, thereby meeting flexible on-site installation requirements. The adjusting plate 4 is installed on the rotating shaft 2 through a nut screwed on the screw rod 21 to achieve the fixing of the adjusting plate 4.

[0031] One end of the rotating shaft 2 close to the bearing 5 is provided with a latch hole, in which a latch 18 is inserted. The latch 18 is used to limit the turning action of the rotating shaft 2 to prevent the rotating shaft 2 from being separated from the bearing 5.

[0032] A connecting column 7 is fixedly mounted on the adjusting plate 4 , and one end of a connecting rope 8 is fixedly connected to the connecting column 7 , and the connecting rope 8 is a steel wire rope.

[0033] The adjustment plate 4 is fixedly connected to the counterweight 15 through the connecting rope 8. The counterweight 15 is movably inserted in the second mounting structure. The second mounting structure is fixedly installed with a proximity switch 9. The proximity switch 9 is electrically connected to the controller. The probe of the proximity switch 9 is toward the moving path of the counterweight 15.

[0034] The counterweight 15 is used to shield the signal of the proximity switch 9. When the counterweight 15 is not pulled up by the connecting rope 8, the proximity switch 9 inputs an electrical signal to the controller. When the counterweight 15 is pulled up by the connecting rope 8, the counterweight 15 is away from the proximity switch 9, and the proximity switch 9 does not input an electrical signal to the controller.

[0035] The second mounting structure includes a support plate 10, a support rod 11 and a first connecting plate 12. The bottom of the support rod 11 is fixedly connected to the support plate 10, one end of the support rod 11 is fixedly connected to one side of the first connecting plate 12, the bottom of the first connecting plate 12 is fixedly connected to a second connecting plate 13, the second connecting plate 13 is provided with a first socket, the proximity switch 9 is fixedly installed in the first socket, one side of the second connecting plate 13 is fixedly connected to a pipe 14, and a counterweight 15 is movably inserted in the pipe 14.

[0036] A pull ring 16 is fixedly connected to the top of the counterweight 15 , and the pull ring 16 is fixedly connected to the other end of the connecting rope 8 .

[0037] Four threaded holes 17 are provided on the support plate 10 , and the support plate 10 is fixedly mounted on the ground by bolts screwed into the threaded holes 17 .

[0038] The working principle of the utility model is: when the steel billet 19 moves on the roller table 20, when the steel billet does not hit the impact plate 3, the counterweight block 15 is always located in the detection range of the proximity switch 9, the proximity switch 9 inputs an electrical signal to the controller, and the controller does not output a steel signal;

[0039] When the steel billet hits the impact plate 3, the impact plate 3 rotates, the impact plate 3 drives the rotating shaft 2 to rotate, and then the rotating shaft 2 drives the adjusting plate 4 to rotate, and the adjusting plate 4 pulls the counterweight 15 upward through the connecting rope 8, and the counterweight 15 gradually moves away from the proximity switch 9; when the counterweight 15 is not within the detection range of the proximity switch 9, the proximity switch 9 does not input an electrical signal to the controller, and the controller outputs a steel signal;

[0040] When the steel billet 19 passes through the impact plate 3 and the two are separated, the impact plate 3 is reset due to its own weight, the connecting rope 8 does not pull the counterweight 15, and the counterweight 15 moves downward. When the counterweight 15 is within the detection range of the proximity switch 9, the proximity switch 9 inputs an electrical signal to the controller, and the controller does not output a steel signal.

[0041] The above is only a preferred embodiment of the present invention. It should be pointed out that for those skilled in the art, several modifications and improvements can be made without departing from the structure of the present invention, which will not affect the effect of the implementation of the present invention and the practicality of the patent.

Claims

1. A billet position detection device, characterized in that: It comprises a rotating shaft (2) and a second mounting structure, wherein the rotating shaft (2) is rotatably mounted above a roller (20) via a first mounting structure, an impact plate (3) is fixedly mounted on the rotating shaft (2), the impact plate (3) is located above the roller (20) and extends to the path of the steel billet (19), an adjustment plate (4) is fixedly mounted on one end of the rotating shaft (2), the adjustment plate (4) is fixedly connected to a counterweight (15) via a connecting rope (8), a proximity switch (9) is fixedly mounted in the second mounting structure, and a probe of the proximity switch (9) faces the moving path of the counterweight (15).

2. A billet position detection device according to claim 1, characterized in that: The first mounting structure comprises two bearing supports (1), the two bearing supports (1) are respectively fixedly mounted on two sides of the roller table (20), a bearing (5) is fixedly mounted above each of the two bearing supports (1), and the rotating shaft (2) is fixedly connected to the inner ring of the bearing (5).

3. A billet position detection device according to claim 2, characterized in that: One end of the rotating shaft (2) is fixedly connected to a screw rod (21); three adjusting holes (6) are provided on the adjusting plate (4); the adjusting plate (4) is sleeved on the screw rod (21) through any adjusting hole (6); and the adjusting plate (4) is fixedly mounted on the rotating shaft (2) by a nut screwed on the screw rod (21).

4. A billet position detection device according to claim 3, characterized in that: A connecting column (7) is fixedly mounted on the adjusting plate (4), and one end of the connecting rope (8) is fixedly connected to the connecting column (7).

5. The billet position detection device according to claim 1, characterized in that: The second mounting structure comprises a support plate (10), a support rod (11) and a first connecting plate (12); the bottom of the support rod (11) is fixedly connected to the support plate (10); one end of the support rod (11) is fixedly connected to one side of the first connecting plate (12); the bottom of the first connecting plate (12) is fixedly connected to a second connecting plate (13); the second connecting plate (13) is provided with a first plug hole; the proximity switch (9) is fixedly mounted in the first plug hole; one side of the first connecting plate (12) is fixedly connected to a pipe (14); and the counterweight (15) is movably inserted into the pipe (14).

6. A billet position detection device according to claim 1, characterized in that: A pull ring (16) is fixedly connected to the top of the counterweight block (15), and the pull ring (16) is fixedly connected to the other end of the connecting rope (8).

7. A billet position detection device according to claim 5, characterized in that: The support plate (10) is provided with four threaded holes (17), and the support plate (10) is fixedly installed on the ground by bolts screwed into the threaded holes (17).

8. The steel billet position detection device according to claim 1, characterized in that: The impact plate (3) is a trapezoidal steel plate, a heat insulation layer is laid on the surface of the steel plate, and a protective layer is arranged outside the heat insulation layer.

9. The steel billet position detection device according to claim 1, characterized in that: A latch hole is provided at one end of the rotating shaft (2) close to the bearing (5), and a latch (18) is inserted into the latch hole.

10. The steel billet position detection device according to claim 1, characterized in that: The proximity switch (9) is electrically connected to the controller.

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