Protective device applied to rail weighbridge

Abstract

The utility model discloses a protective device applied to a rail weighbridge, and relates to the technical field of electronic weighing instrument metering. Comprising a sensor protection cover and a transmission line protection cover, the sensor protection cover is composed of a top cover and a side wall, a cavity is formed in the sensor protection cover, a bottom opening communicated with the cavity is formed in one side opposite to the top cover, and a weighing sensor can extend into the cavity through the bottom opening so as to enclose the top surface and the peripheral side surfaces of the weighing sensor. A fastener opening is formed in a top cover of the sensor protection cover, when the weighing sensor is enclosed by the sensor protection cover, the fastener opening abuts against the side wall of a steel rail fastener, the transmission line protection cover extends in the first direction, and the transmission line protection cover extends into a cavity of the sensor protection cover and is used for enclosing a data transmission line. The first direction is the laying direction of the bearing rail. According to the utility model, the problem that the weighing sensor and the data transmission line connected with the weighing sensor are damaged due to the falling of molten iron or iron slag is effectively solved, and the long-term stable operation of the rail weighbridge is protected.

Description

TECHNICAL FIELD

[0001] The utility model relates to electronic weighing apparatus measurement technical field, concretely is a kind of protective device applied to rail weighbridge. BACKGROUND

[0002] Usually in metallurgical production process, the molten iron is measured by rail weighbridge, and the weighing sensor of rail pad type is used in this measurement mode, and the weighing sensor is usually exposed to open air, when the molten iron or iron slag is weighed and measured, the molten iron leakage or iron slag falling can easily cause the damage of weighing sensor and its connecting line, resulting in the inaccuracy of weighing measurement. SUMMARY

[0003] The utility model discloses a protective device applied to rail weighbridge to solve the problems raised in the above background.

[0004] To achieve the above object, the utility model provides the following technical scheme: a protective device applied to rail weighbridge, the rail weighbridge includes bearing rail, weighing sensor, sensor bottom plate and steel rail fastener, the sensor bottom plate is arranged on the foundation, the weighing sensor is fixedly connected on the sensor bottom plate, the bearing rail is installed on the weighing sensor through the steel rail fastener, the data transmission line is inserted on the weighing sensor, and the data transmission line is used for transmitting the weighing data of the weighing sensor, wherein the protective device includes sensor protection cover and transmission line protection cover, the sensor protection cover is composed of top cover and side wall, the cavity is formed in the sensor protection cover, the bottom opening is formed on the side opposite to the top cover and connected with the cavity, the weighing sensor can be inserted into the cavity through the bottom opening to enclose the top surface and the peripheral side surface of the weighing sensor, the fastener opening is formed on the top cover of the sensor protection cover, when the sensor protection cover encloses the weighing sensor, the fastener opening abuts against the side wall of the steel rail fastener, the transmission line protection cover extends along the first direction, and the transmission line protection cover is inserted into the cavity of the sensor protection cover to enclose the data transmission line, and the first direction is the laying direction of the bearing rail.

[0005] Based on the above technical features, the utility model encloses the periphery of weighing sensor by using sensor protection cover to protect weighing sensor, encloses data transmission line by using transmission line protection cover to protect data transmission line, effectively solves the problem that weighing sensor and its connected data transmission line are damaged due to the falling of molten iron or iron slag, and protects the long-term stable operation of rail weighbridge.

[0006] Preferably in the technical scheme, the sensor protection cover comprises a first protection cover and a second protection cover, the first protection cover and the second protection cover are movable along a second direction and are connected in cooperation, and after being connected with each other, the weighing sensor is enclosed, and the fastener opening is formed in cooperation.

[0007] Based on the above technical features, the weighing sensor is enclosed by the mutual connection of the first protection cover and the second protection cover, which makes the installation of the sensor protection cover more convenient, and the first protection cover and the second protection cover cooperate to form the fastener opening matched with the steel rail fastener, and the weighing measurement of the weighing sensor is not affected.

[0008] Preferably in the technical scheme, the sensor protection cover further comprises a third protection cover, the third protection cover is connected in cooperation with the second protection cover along the second direction, and the transmission line protection cover extends into the third protection cover.

[0009] Based on the above technical features, the third protection cover is specifically arranged at the plug-in position of the weighing sensor and the data transmission line, and the third protection cover is detachably connected with the second protection cover, so that the weighing sensor and the data transmission line are protected, and the wiring installation of the data transmission line is facilitated.

[0010] Preferably in the technical scheme, the first protection cover, the second protection cover and the third protection cover are detachably connected through an ear plate and a screw.

[0011] Based on the above technical features, when the first protection cover, the second protection cover and the third protection cover are seriously eroded by molten iron or iron slag and cannot protect the weighing sensor and the data transmission line, the first protection cover or the second protection cover or the third protection cover which is seriously eroded can be individually disassembled and replaced, so as to reduce the loss of materials.

[0012] Preferably in the technical scheme, the sensor protection cover is composed of a top cover and a four-side wall to form a rectangular cuboid shape, and the bottom opening is in a rectangular shape.

[0013] Preferably in the technical scheme, the sensor protection cover and the transmission line protection cover are both rolled from a cold-rolled plate.

[0014] Based on the above technical features, the protective device in the utility model is made of a cold-rolled plate, which is easy to obtain and has a small implementation difficulty.

[0015] Preferably in the technical scheme, after the sensor protection cover and the transmission line protection cover are rolled, the outer surfaces of the sensor protection cover and the transmission line protection cover are both subjected to a plastic spraying treatment.

[0016] Based on the above technical features, the wear resistance and corrosion resistance of the sensor protective cover and the transmission line protective cover are effectively improved through the plastic spraying treatment, so that the sensor protective cover and the transmission line protective cover can be durable in harsh environments. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 A structural schematic view of a track scale in the embodiment of the present application;

[0018] Figure 2 An A-A sectional view of the embodiment of the present application; Figure 1

[0019] Figure 3 A top view of the protective device in the embodiment of the present application;

[0020] Figure 4 A side view of the protective device in the embodiment of the present application;

[0021] Figure 5 A front view of the protective device in the embodiment of the present application.

[0022] In the figure: 1, base; 2, load-bearing rail; 3, load cell; 4, sensor base plate; 5, rail fastener; 6, sensor protective cover; 61, first protective cover; 62, second protective cover; 63, third protective cover; 64, fastener opening; 7, transmission line protective cover; 8, ear plate; 9, data transmission line. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all 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.

[0024] It should be noted that, in the description of the present application, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0025] In addition, it should be understood that, for the convenience of description, the sizes of the various components shown in the drawings are not drawn in accordance with the actual proportional relationship.

[0026] ​It should be noted that like reference numerals and letters refer to like items throughout the several views, where like reference numerals and letters first identified in one view but not in subsequent views shall be understood to not require further discussion and description in the description of the subsequent views.

[0027] Before understanding the utility model, it needs to be clear that the track scale is a weighing apparatus for weighing the load of a railway wagon, and is specifically used for measuring molten iron for transfer.

[0028] As shown in the utility model Figure 1 and Figure 2 , the track scale comprises a load-bearing rail 2, a load cell 3, a sensor base plate 4 and a rail fastener 5, the sensor base plate 4 is fixedly connected to a foundation 1, and the foundation 1 is specifically a cement sleeper, the sensor base plate 4 is welded to the top surface of the cement sleeper, the load cell 3 is fixedly connected to the sensor base plate 4 by means of a bolt, the load-bearing rail 2 is installed on the load cell 3 by means of the rail fastener 5, the load cell 3 can convert a mass signal into a measurable electrical signal, and specifically when an external force acts on the load cell 3 through the load-bearing rail 2, the load cell 3 will generate an electrical signal that is proportional to the external force, and a data transmission line 9 is inserted into the load cell 3, and the data transmission line 9 is used for transmitting the weighing electrical signal of the load cell 3.

[0029] As shown in the utility model Figures 1 to 5 , the utility model provides a technical scheme: a protective device applied to a track scale, the protective device comprises a sensor protection cover 6 and a transmission line protection cover 7, the sensor protection cover 6 is composed of a top cover and a side wall, a cavity is formed in the sensor protection cover 6, a bottom opening that is in communication with the cavity is formed on the side opposite to the top cover, the load cell 3 can be inserted into the cavity through the bottom opening to enclose the top surface and the peripheral side surface of the load cell 3, a fastener opening 64 is formed in the top cover of the sensor protection cover 6, when the sensor protection cover 6 encloses the load cell 3, the fastener opening 64 abuts against the side wall of the rail fastener 5, the transmission line protection cover 7 extends along a first direction, and the transmission line protection cover 7 is inserted into the cavity of the sensor protection cover 6 to enclose the data transmission line 9, and the first direction is the laying direction of the load-bearing rail 2.

[0030] The utility model encloses the periphery of the load cell 3 by using the sensor protection cover 6 to protect the load cell 3, and encloses the data transmission line 9 by using the transmission line protection cover 7 to protect the data transmission line 7, effectively solves the problem that the load cell 3 and the connected data transmission line 7 are damaged due to the dropping of molten iron or iron slag, and protects the long-term stable operation of the track scale.

[0031] Specifically, the sensor protection cover 6 comprises a first protection cover 61 and a second protection cover 62, the first protection cover 61 and the second protection cover 62 are movable along a second direction and are connected in cooperation, and after being connected with each other, the weighing sensor 3 is enclosed and a fastener port 64 is formed in cooperation, the second direction is perpendicular to the first direction. The weighing sensor 3 is enclosed by the first protection cover 61 and the second protection cover 62 connected with each other, which not only facilitates the installation of the sensor protection cover 3, but also the first protection cover 61 and the second protection cover 62 form the fastener port 64 matched with the steel rail fastener 5, and the weighing of the weighing sensor 3 is not affected.

[0032] Further, the sensor protection cover 6 further comprises a third protection cover 63, the third protection cover 63 is connected with the second protection cover 62 in cooperation along the second direction, and the transmission line protection cover 7 extends into the third protection cover 63. The first protection cover 61, the second protection cover 62 and the third protection cover 63 are detachably connected through the lug plate 8 and the screw. When the first protection cover 61, the second protection cover 62 and the third protection cover 63 are seriously eroded by molten iron or iron slag and are insufficient to protect the weighing sensor 3 and the data transmission line 9, the first protection cover 61 or the second protection cover 62 or the third protection cover 63 which is seriously eroded can be individually disassembled and replaced, and the whole set of sensor protection cover 6 does not need to be replaced, so as to reduce the loss of materials.

[0033] In the embodiment of the utility model, the sensor protection cover 6 is composed of a top cover and a four-side wall and is in the shape of a cuboid, the bottom opening is in the shape of a rectangle, the sensor protection cover 6 and the transmission line protection cover 7 are both rolled from cold-rolled plates, and after the sensor protection cover 6 and the transmission line protection cover 7 are rolled, the outer surfaces of the sensor protection cover 6 and the transmission line protection cover 7 are both subjected to plastic spraying treatment, so as to improve the wear resistance and corrosion resistance of the sensor protection cover 6 and the transmission line protection cover 7.

[0034] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A protection device applied to a track scale, the track scale comprising a load bearing rail (2), a load cell (3), a sensor base plate (4) and a rail fastener (5), the sensor base plate (4) being arranged on a foundation (1), the load cell (3) being fixedly connected to the sensor base plate (4), the load bearing rail (2) being mounted on the load cell (3) by means of the rail fastener (5), a data transmission line (9) being inserted into the load cell (3), the data transmission line (9) being used for transmitting load data of the load cell (3), characterized in that, The protection device comprises: A sensor protection cover (6) is composed of a top cover and a side wall, a cavity is formed in the sensor protection cover (6), a bottom opening is formed on the side opposite to the top cover and communicates with the cavity, the load sensor (3) can be inserted into the cavity through the bottom opening to enclose the top surface and the peripheral side surface of the load sensor (3); a fastener opening (64) is formed on the top cover of the sensor protection cover (6), and the fastener opening (64) is in abutment with the side wall of the rail fastener (5) when the sensor protection cover (6) encloses the load sensor (3); A transmission line protection cover (7) extends along a first direction and is inserted into the cavity of the sensor protection cover (6) to enclose the data transmission line (9), and the first direction is the laying direction of the load bearing rail (2).

2. The guard for rail weighbridges according to claim 1, characterized in that, The sensor protection cover (6) comprises a first protection cover (61) and a second protection cover (62), the first protection cover (61) and the second protection cover (62) are movable along a second direction and are connected in cooperation, and after being connected in cooperation, the load sensor (3) is enclosed and the fastener opening (64) is formed in cooperation, and the second direction is perpendicular to the first direction.

3. The guard for rail scales of claim 2 wherein, The sensor protection cover (6) further comprises a third protection cover (63), the third protection cover (63) is connected in cooperation with the second protection cover (62) along the second direction, and the transmission line protection cover (7) is inserted into the third protection cover (63).

4. The guard for rail weighbridges of claim 3, wherein, The first protection cover (61), the second protection cover (62) and the third protection cover (63) are detachably connected through an ear plate (8) and a screw.

5. The guard for rail scale of claim 1 wherein, The sensor protection cover (6) is composed of a top cover and a peripheral side wall and has a rectangular cuboid shape, and the bottom opening has a rectangular shape.

6. The guard for rail scales of claim 5 wherein, The sensor protection cover (6) and the transmission line protection cover (7) are both rolled from a cold-rolled plate.

7. The guard for rail scales of claim 6 wherein, After the sensor protection cover (6) and the transmission line protection cover (7) are rolled, the outer surfaces of the sensor protection cover (6) and the transmission line protection cover (7) are both subjected to a plastic spraying treatment.

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