Locomotive water tank liquid level detection alarm device

Abstract

The utility model belongs to the technical field of liquid level detection devices, and discloses a locomotive water tank liquid level detection alarm device which comprises a protection piece, a detection piece and a supporting piece, a through hole for the protection piece to penetrate through is formed in the connecting position of the supporting piece and a locomotive water tank, and a protection cavity for shielding the detection piece is formed in the protection piece in the length direction of the protection piece. The top of the protection cavity is open, a plurality of side grooves are formed in the circumferential face of the protection piece in an annular array sunken mode, clamping plates are rotationally connected into the side grooves, and springs are connected between the inner walls of the side grooves and the clamping plates. When the protection piece penetrates through the supporting piece and enters the locomotive water tank, the clamping plate is extruded and pushed through the spring, so that the clamping plate abuts against the inner wall of the locomotive water tank to fix the protection piece and the detection piece, and when the detection piece needs to be disassembled, the detection piece and the protection piece can be disassembled only by pulling the detection piece and the protection piece, so that the device does not need to be fixed for a long time during installation; and the device does not need to be dismounted for a long time when being overhauled.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of liquid level detection device, concretely relates to a locomotive water tank liquid level detection alarm device. BACKGROUND

[0002] The locomotive will emit a large amount of heat when working, and if not heat dissipated in time, the locomotive cannot work normally or even be damaged, so the locomotive needs to be heat dissipated in time, and the safety and stability of the liquid level control of the locomotive water tank, as an important component of the locomotive cooling system, are particularly important; the original water level gauge of the water tank liquid level monitoring of the locomotive mainly displays different water levels according to the position of the float ball, and the float ball rod is prone to rust and cannot correctly display the water level, and the microcomputer delays the alarm, and the driver cannot observe the water level in the cab, therefore, a pressure sensor for measuring the liquid level is used according to the principle that the measured hydrostatic pressure is proportional to the height of the liquid, the hydrostatic pressure is converted into an electric signal through temperature compensation and linear correction to be converted into a standard electric signal, the signal is transmitted to the CPU for detection, and the signal can be converted into data representing the height of the liquid level through the conversion of the CPU, however, the device needs to be fixed for a long time when in use, and the device also needs to be disassembled for a long time when overhauled, the device is difficult to install and overhaul, and the installation and overhaul efficiency of the device is low. SUMMARY

[0003] The utility model aims at providing a locomotive water tank liquid level detection alarm device to solve the problems in the background.

[0004] To achieve the above object, the utility model provides the following technical scheme: a locomotive water tank liquid level detection alarm device, including protection piece, the detection piece for detecting the liquid level of water tank and the support piece installed at the top of the external water tank of locomotive, the connecting place between the support piece and the water tank of locomotive forms the through -hole for the protection piece to pass through, the protection cavity that the protection piece is formed in the length direction inside and blocks the detection piece, the protection cavity top is open, and the side groove of multiple is formed in the annular array of the protection piece peripheral surface and is recessed, the clamping plate is rotatably connected in the side groove, and the spring is connected between the side groove inner wall and the clamping plate.

[0005] Preferably, the support piece includes a flange, a through connection groove is formed on the flange, and two connection holes are symmetrically formed on the flange.

[0006] Preferably, the detection piece includes a liquid level sensor for detecting the liquid level, a waterproof electric connector is fixedly connected to the top of the liquid level sensor, the protection piece is sleeved on the waterproof electric connector, and the liquid level sensor is located in the interior of the protection piece.

[0007] Preferably, the detection piece further comprises a control end for displaying liquid level information, and a cable is connected between the control end and the waterproof electrical connector.

[0008] Preferably, the protection piece comprises a sleeve, the side groove is arranged on the outer circumferential surface of the sleeve, and the bottom of the sleeve is fixedly connected with a blocking net.

[0009] Preferably, a sealing ring and a top plate are arranged on the waterproof electrical connector, the sealing ring is below the top plate, and the sealing ring is above the flange.

[0010] Preferably, two limiting plates are symmetrically fixedly connected to the top of the flange, the top plate is between the two limiting plates, and two elastic clamping balls are symmetrically arranged on the top plate, and limiting holes matched with the elastic clamping balls are arranged on the two limiting plates.

[0011] Compared with the prior art, the device has the following beneficial effects:

[0012] (1) The device comprises a support piece and a protection piece, when the protection piece passes through the support piece and enters the inside of the locomotive water tank, the side groove on the protection piece supports the spring, and then the spring extrudes and drives the clamping plate, so that the clamping plate abuts against the inner wall of the locomotive water tank to fix the protection piece and the detection piece; when the detection piece needs to be disassembled, the detection piece and the protection piece are pulled, the inner wall of the locomotive water tank extrudes the clamping plate and compresses the clamping plate into the protection piece, and then the detection piece and the protection piece can be disassembled, so that the device does not need to be fixed for a long time when the device is installed, and the device does not need to be disassembled for a long time when the device is overhauled, the device has low installation and overhaul difficulty, and has high installation and overhaul efficiency.

[0013] (2) On the basis of the above beneficial effects, the sleeve is connected with the flange, the elastic clamping ball on the top plate is clamped with the limiting hole of the limiting plate on the flange, and then the top plate and the flange are connected more tightly, and the stability of the liquid level sensor during installation is further improved, so that the stability of the device for detecting the water level is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a front view of the device;

[0015] Figure 2 is a front view of the device when the sleeve is disassembled;

[0016] Figure 3 is Figure 1 is an enlarged view of part A of the device;

[0017] Figure 4 is an internal structure diagram of the device when the flange and the sleeve are connected;

[0018] Figure 5The utility model discloses a side view when the limiting plate is connected with the elastic ball,

[0019] Figure 6 The utility model discloses a perspective view of the sleeve,

[0020] In the drawing: 1, the screen; 2, the limiting hole; 3, the elastic ball; 4, the top plate; 5, the waterproof electric connector; 6, the cable; 7, the control end; 8, the limiting plate; 9, the flange; 10, the clamping plate; 11, the sleeve; 12, the liquid level sensor; 13, the sealing ring; 14, the spring; 15, the side groove; 16, the connecting hole; 17, the connecting groove. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative work belong to the range of the utility model protection.

[0022] Please refer to Figures 1-6 The utility model provides the following technical scheme:

[0023] A locomotive water tank liquid level detection alarm device, including protection piece, the detection piece for detecting the water tank liquid level and the support piece installed at the top of the water tank outside, the connecting place between the support piece and the water tank forms the through -hole for the protection piece to pass through, the protection cavity that the protection piece inside forms the detection piece in the length direction is shielded, the protection cavity top is open, and the side groove 15 is formed in the annular array on the surface of the protection piece and is recessed, the clamping plate 10 is rotatably connected in the side groove 15, and the spring 14 is connected between the inner wall of the side groove 15 and the clamping plate 10.

[0024] Through the above technical scheme, when the personnel need to detect the liquid level of the water tank, the support piece is fixed at the top of the water tank outside, after the support piece is fixed, the protection piece is inserted into the connecting place between the support piece and the water tank through the through -hole, so that the protection piece is in the inside of the water tank, when the protection piece is in the inside of the water tank, the spring 14 and the clamping plate 10 are supported through the side groove 15 on the protection piece, the clamping plate 10 is extruded and pushed through the spring 14, and then the clamping plate 10 rotates around the protection piece, so that the clamping plate 10 is unfolded, the clamping plate 10 is abutted against the inner wall of the water tank, and then the protection piece is fixed, the detection piece is shielded and protected through the protection piece, the liquid level of the water tank is detected through the detection piece, when the detection piece needs to be disassembled, the protection piece is moved to the outside of the water tank through the through -hole, the clamping plate 10 is extruded through the water tank, the clamping plate 10 is compressed to the inside of the side groove 15, and the protection piece can be pulled out and moved to the outside of the water tank for maintenance.

[0025] Specifically, in one embodiment, regarding the aforementioned support member:

[0026] like Figures 1-4 As shown, the support includes a flange 9, on which a through-type connecting groove 17 is provided, and two connecting holes 16 are symmetrically provided on the flange 9, with the connecting groove 17 located between the two connecting holes 16.

[0027] In this embodiment, when it is necessary to fix the support to the locomotive water tank, the flange 9 is placed above the locomotive water tank, so that the connecting hole 16 on the flange 9 is aligned with the screw hole on the locomotive water tank, and the bolt is tightened between the connecting hole 16 and the screw hole, thereby fixing the flange 9 to the locomotive water tank, and the protective part is inserted into the locomotive water tank through the connecting groove 17.

[0028] Furthermore, in this utility model, regarding the aforementioned testing components, such as Figures 1-2 As shown, the detection component includes a liquid level sensor 12 for detecting liquid level. A waterproof electrical connector 5 is fixedly connected to the top of the liquid level sensor 12. A protective component is sleeved on the waterproof electrical connector 5, and the liquid level sensor 12 is located inside the protective component.

[0029] The detection device also includes a control terminal 7 for displaying liquid level information, and a cable 6 is connected between the control terminal 7 and the waterproof electrical connector 5.

[0030] In this embodiment, after the protective component is connected to the flange 9, the waterproof electrical connector 5 is supported by the protective component, which in turn supports the liquid level sensor 12. The liquid level sensor 12 detects the liquid level inside the locomotive water tank and transmits the liquid level information to the control terminal 7 for display via the cable 6.

[0031] Specifically, in one embodiment, regarding the aforementioned protective element:

[0032] like Figures 1-4 As shown, the protective component includes a sleeve 11, a side groove 15 is formed on the outer peripheral surface of the sleeve 11, and a baffle 1 is fixedly connected to the bottom of the sleeve 11.

[0033] In this embodiment, when it is necessary to install the protective component onto the flange 9, the sleeve 11 is inserted through the connecting groove 17, so that the sleeve 11 is inserted into the interior of the locomotive water tank. The side groove 15 on the sleeve 11 supports the spring 14 and the clamping plate 10. The spring 14 pushes the clamping plate 10, thereby causing the clamping plate 10 to contact the top of the interior of the locomotive water tank, thus fixing the sleeve 11.

[0034] After the sleeve 11 is connected to the flange 9, in order to increase the airtightness of the connection between the sleeve 11 and the flange 9, such as Figures 1-3 As shown, the waterproof electrical connector 5 is fitted with a sealing ring 13 and a top plate 4. The sealing ring 13 is located below the top plate 4 and above the flange 9.

[0035] In the embodiment, when the sleeve 11 is connected with the flange 9, the sealing ring 13 on the waterproof electric connector 5 and the top plate 4 are matched, and the air tightness of the sleeve 11 after being connected with the flange 9 is further increased.

[0036] In order to make the sleeve 11 and the flange 9 more fastened when being connected, as shown in Figure 1 、 Figure 2 、 Figure 5 The top of the flange 9 is fixedly connected with two limiting plates 8 in a symmetrical manner, the top plate 4 is between the two limiting plates 8, and the top plate 4 is symmetrically provided with two elastic clamping balls 3, and the two limiting plates 8 are both provided with limiting holes 2 matched with the elastic clamping balls 3.

[0037] In the embodiment, when the sleeve 11 is connected with the flange 9, the elastic clamping balls 3 on the top plate 4 are clamped with the limiting holes 2 on the limiting plates 8, and the top plate 4 is fixed, so that the top plate 4 and the sleeve 11 are more fastened after being installed.

[0038] 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 locomotive water tank level detection alarm apparatus, characterized by: The utility model provides a protection piece, a detection piece for detecting the liquid level of a water tank and a support piece installed on the top of the water tank outside a locomotive, a through hole is formed between the support piece and the water tank for the protection piece to pass through, a protection cavity is formed inside the protection piece along the length direction of the protection piece to shield the detection piece, the top of the protection cavity is open, a plurality of side grooves (15) are formed on the circumferential surface of the protection piece in an annular array, a clamping plate (10) is rotatably connected inside the side grooves (15), and a spring (14) is connected between the inner wall of the side grooves (15) and the clamping plate (10).

2. The apparatus of claim 1, wherein: The support piece comprises a flange (9), a through connection groove (17) is formed in the flange (9), and two connection holes (16) are symmetrically formed in the flange (9), and the connection groove (17) is located between the two connection holes (16).

3. The locomotive water tank level detection and alarm device according to claim 2, characterized in that: The detection piece comprises a liquid level sensor (12) for detecting the liquid level, a waterproof electrical connector (5) is fixedly connected to the top of the liquid level sensor (12), the protection piece is sleeved on the waterproof electrical connector (5), and the liquid level sensor (12) is located inside the protection piece.

4. The apparatus of claim 3, wherein: The detection piece further comprises a control end (7) for displaying the liquid level information, and a cable (6) is connected between the control end (7) and the waterproof electrical connector (5).

5. The locomotive water tank level detection and alarm device according to claim 4, characterized in that: The protection piece comprises a sleeve (11), and the side grooves (15) are formed in the circumferential surface of the sleeve (11).

6. The locomotive water tank level detection and alarm device according to claim 5, characterized in that: A sealing ring (13) and a top plate (4) are sleeved on the waterproof electrical connector (5).

7. The locomotive water tank level detection and alarm device according to claim 6, characterized in that: The sealing ring (13) is located below the top plate (4), and the sealing ring (13) is located above the flange (9).

8. The locomotive water tank level detection and alarm device according to claim 5, characterized in that: The bottom of the sleeve (11) is fixedly connected with a blocking net (1).

9. The locomotive water tank level detection and alarm device according to claim 6, characterized in that: The top of the flange (9) is fixedly connected with two limiting plates (8) symmetrically, and the top plate (4) is located between the two limiting plates (8).

10. A locomotive water tank level detection and alarm device according to claim 9, characterized in that: Two elastic clamping balls (3) are symmetrically installed on the top plate (4), and limiting holes (2) matched with the elastic clamping balls (3) are formed in the two limiting plates (8).

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