Mining explosion-proof liquid level display control sensor

Abstract

The utility model relates to the technical field of mining machinery, and discloses a mining explosion-proof liquid level display control sensor. Comprising a shell, an integrated circuit board installed in the shell, a data line installed on the shell and communicated with the integrated circuit board, a reed switch arranged at the bottom of the shell, a floater connected to the outer wall of the reed switch in a sleeving mode and a positioning ring arranged at the bottom end of the reed switch and used for limiting the floater. An adjusting assembly used for adjusting the position of the shell is arranged at the top of the shell, a mounting flange, a fixing seat and an extension rod are arranged in the adjusting assembly, the extension rod is slidably connected to the inner wall of the fixing seat, a locking assembly used for locking is arranged in the extension rod, and a positioning rod and a limiting plate are arranged in the locking assembly; an adjusting part used for adjusting the position of the positioning rod is arranged in the extension rod, and a lead screw, a threaded sleeve, a rotating block and a connecting rod are arranged in the adjusting part. According to the utility model, through the arrangement of the adjusting part and the locking assembly, the installation safety and the liquid level detection convenience are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of mining machinery, in particular to an explosion-proof liquid level display control sensor for mining. Background Art

[0002] Since mining machinery and equipment have high explosion-proof requirements, the liquid level of the hydraulic system oil tank of mining machinery and equipment generally uses a transparent connecting pipe to display the liquid level. Operators have to go to the site to understand the liquid level of the oil tank.

[0003] The application number "CN201320081692.8" disclosed a mining explosion-proof liquid level display control sensor, which is characterized in that it includes a housing connected to the hydraulic system oil tank, the housing and the oil tank are sealed by a sealing gasket on the bottom side of the housing, a series of reed switches and an integrated circuit board are installed inside the housing, a sealing cover is installed on the upper part of the housing, a float is sleeved on the connecting pipe of the housing at the lower part, a positioning ring is provided at the bottom of the float, the integrated circuit board is connected to the external display through a data line on the side of the housing, and a watertight joint is provided at the connection between the data line and the side wall of the housing. The utility model has a reasonable structural design, accurate detection, stable performance, convenient installation and maintenance, strong anti-interference ability, and can meet the requirements of harsh working conditions such as explosion-proof, anti-corrosion, moisture-proof, and dust-proof.

[0004] When installing this technical solution, the shell is directly installed inside the oil tank. It is necessary to set up installation components at appropriate positions inside the oil tank for installation. The inside of the oil tank needs to be modified, causing the risk of leakage, and its height cannot be adjusted, affecting the convenience of liquid level detection.

[0005] Therefore, we propose an explosion-proof liquid level display and control sensor for mining. Utility Model Content

[0006] The utility model mainly solves the technical problems existing in the above-mentioned prior art and provides an explosion-proof liquid level display control sensor for mining.

[0007] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an explosion-proof liquid level display control sensor for mining, comprising a shell, an integrated circuit board installed in the shell, a data line installed on the shell and connected to the integrated circuit board, a reed switch arranged at the bottom of the shell, a float sleeved on the outer wall of the reed switch and a positioning ring arranged at the bottom of the reed switch for limiting the float, an adjusting component for adjusting the position of the shell is arranged on the top of the shell, the adjusting component includes a mounting flange, a fixing seat and an extension rod, the extension rod is slidably connected to the inner wall of the fixing seat, a locking component for locking is arranged in the extension rod, the locking component includes a positioning rod and a limiting plate, and an adjusting part for adjusting the position of the positioning rod is arranged in the extension rod, and the adjusting part includes a screw, a threaded sleeve, a rotating block and a connecting rod.

[0008] Furthermore, the fixing seat is fixedly connected to the axial position of the bottom end of the mounting flange, and a plurality of reserved bolt holes for installation are arranged in a circumferential manner on the mounting flange. A plurality of linearly arranged plug-in grooves are provided at both ends of the inner wall of the fixing seat, and a plug-in cavity is provided at the axial position of the inner wall of the plug-in groove, and the plug-in groove and the plug-in cavity are respectively adapted to the limit plate and the positioning rod.

[0009] Furthermore, a first sliding hole is opened at both ends of the inner wall of the extension rod, and the limit plate is slidably connected to the inner wall of the first sliding hole. The upper and lower ends of the limit plate away from the axis of the extension rod are arc-shaped, and the limit plate is fixedly connected to a connecting block at one end close to the axis of the extension rod, and a first return spring is fixedly connected to the outer wall of the connecting block. The first return spring is sleeved on the outer wall of the limit plate and the other end is fixedly connected to the inner wall of the extension rod.

[0010] Furthermore, a second sliding hole is provided at the axis of the inner wall of the limiting plate, the positioning rod is slidably connected to the inner wall of the second sliding hole, and one end of the positioning rod close to the axis of the extension rod is fixedly connected to the limiting slider.

[0011] Furthermore, a sliding seat is fixedly connected to the axial position of the top of the extension rod, the screw rod is slidably connected to the inner wall of the sliding seat, and the threaded sleeve is threadedly connected to the outer wall of the screw rod, the threaded sleeve is slidably connected to the inner wall of the extension rod, the two ends of the threaded sleeve are inclined and have limited sliding grooves, and the limiting sliding block is slidably connected to the inner wall of the limiting sliding groove.

[0012] Furthermore, a third sliding hole is formed at the bottom end of the extension rod, a rotating groove is formed at the bottom end of the third sliding hole, a rectangular connecting groove is formed at the bottom end of the rotating groove, and a fourth sliding hole is formed at the bottom end of the connecting groove.

[0013] Furthermore, the bottom end of the screw rod is fixedly connected to a rotating block, the bottom end of the rotating block is fixedly connected to a connecting rod, the screw rod is slidably connected to the third sliding hole, the connecting rod is slidably connected to the fourth sliding hole and connected to the top of the shell, the rotating block is adapted to the connecting groove, and the diameter of the rotating groove is larger than the side length of the rotating block.

[0014] Beneficial Effects

[0015] The utility model provides an explosion-proof liquid level display control sensor for mining, which has the following beneficial effects:

[0016] (1) The explosion-proof liquid level display control sensor for mining, through the provided adjustment part and locking assembly, only needs to install the mounting flange on the oil tank cover, and the shell can be driven to rise and fall through the adjustment part. By installing the shell at the required position, the liquid level at different depths can be monitored. There is no need to directly install the shell at the required position in the oil tank, and it is necessary to set the mounting assembly on the side wall of the oil tank to cause leakage risk, thereby improving the safety of installation and the convenience of liquid level detection.

[0017] (2) The explosion-proof liquid level display control sensor for mining can drive the rotating block to move to the connecting groove by gravity through the setting of the rotating block and the connecting rod, and lock the rotation of the screw rod to prevent the screw rod from deflecting and causing the positioning rod to shift, thereby affecting the stability of the connection. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is the front view of the utility model;

[0019] Figure 2 This is a cross-sectional view of the adjustment component of the utility model;

[0020] Figure 3 For this utility model Figure 2 A magnified view of part A;

[0021] Figure 4 For this utility model Figure 2 A magnified view of part B;

[0022] Figure 5 This is a detailed diagram of the adjustment part of the utility model.

[0023] Legend: 1. Shell; 2. Integrated circuit board; 3. Data cable; 4. Reed switch; 5. Float; 6. Positioning ring; 7. Mounting flange; 8. Fixed seat; 9. Extension rod; 10. Sliding seat; 11. Screw; 12. Threaded sleeve; 13. Limiting slide groove; 14. Limiting slider; 15. Positioning rod; 16. Connecting block; 17. Limiting plate; 18. First return spring; 19. Plug-in slot; 20. Plug-in cavity; 21. Rotating slot; 22. Rotating block; 23. Connecting rod. DETAILED DESCRIPTION

[0024] Embodiment 1: Mining explosion-proof liquid level display control sensor, such as Figure 1 and Figure 2 As shown, it includes a shell 1, an integrated circuit board 2 installed in the shell 1, a data line 3 installed on the shell 1 and connected to the integrated circuit board 2, a reed switch 4 arranged at the bottom of the shell 1, a float 5 sleeved on the outer wall of the reed switch 4 and a positioning ring 6 arranged at the bottom end of the reed switch 4 for limiting the float 5, an adjusting component for adjusting the position of the shell 1 is arranged on the top of the shell 1, the adjusting component includes a mounting flange 7, a fixing seat 8 and an extension rod 9, the extension rod 9 is slidably connected to the inner wall of the fixing seat 8, a locking component for locking is arranged in the extension rod 9, the locking component includes a positioning rod 15 and a limiting plate 17, and an adjusting part for adjusting the position of the positioning rod 15 is arranged in the extension rod 9, and the adjusting part includes a screw rod 11, a threaded sleeve 12, a rotating block 22 and a connecting rod 23.

[0025] The integrated circuit board 2 is connected to a display screen for displaying the liquid level via a data line 3 .

[0026] like Figure 2 and Figure 3 As shown, the fixing seat 8 is fixedly connected to the axial position of the bottom end of the mounting flange 7, and a plurality of reserved bolt holes for mounting which are arranged in a circumferential manner are provided on the mounting flange 7. A plurality of linearly arranged plug-in grooves 19 are provided at both ends of the inner wall of the fixing seat 8, and a plug-in cavity 20 is provided at the axial position of the inner wall of the plug-in groove 19, and the plug-in groove 19 and the plug-in cavity 20 are respectively matched with the limit plate 17 and the positioning rod 15.

[0027] A first sliding hole is provided at both ends of the inner wall of the extension rod 9, and a limit plate 17 is slidably connected to the inner wall of the first sliding hole. The upper and lower ends of the limit plate 17 away from the axis of the extension rod 9 are arc-shaped, and the end of the limit plate 17 close to the axis of the extension rod 9 is fixedly connected to a connecting block 16, and the outer wall of the connecting block 16 is fixedly connected to a first return spring 18. The first return spring 18 is sleeved on the outer wall of the limit plate 17 and the other end is fixedly connected to the inner wall of the extension rod 9.

[0028] A second sliding hole is provided at the axis of the inner wall of the limiting plate 17 , and the positioning rod 15 is slidably connected to the inner wall of the second sliding hole. One end of the positioning rod 15 close to the axis of the extension rod 9 is fixedly connected to the limiting slider 14 .

[0029] A sliding seat 10 is fixedly connected to the axial position of the top of the extension rod 9, the screw rod 11 is slidably connected to the inner wall of the sliding seat 10, and the threaded sleeve 12 is threadedly connected to the outer wall of the screw rod 11, the threaded sleeve 12 is slidably connected to the inner wall of the extension rod 9, the two ends of the threaded sleeve 12 are inclined and have limited sliding grooves 13, and the limiting slider 14 is slidably connected to the inner wall of the limiting sliding groove 13.

[0030] like Figure 4 and Figure 5 As shown, a third sliding hole is formed at the bottom of the extension rod 9, a rotation groove 21 is formed at the bottom of the third sliding hole, a rectangular connecting groove is formed at the bottom of the rotating groove 21, and a fourth sliding hole is formed at the bottom of the connecting groove.

[0031] A rotating block 22 is fixedly connected to the bottom end of the screw rod 11, and a connecting rod 23 is fixedly connected to the bottom end of the rotating block 22. The screw rod 11 is slidably connected to the third sliding hole, and the connecting rod 23 is slidably connected to the fourth sliding hole and connected to the top of the shell 1. The rotating block 22 is adapted to the connecting groove, and the diameter of the rotating groove 21 is larger than the side length of the rotating block 22.

[0032] By setting the rotating block 22 and the connecting rod 23, the rotating block 22 can be driven by gravity to move to the connecting groove, and the rotation of the screw rod 11 can be locked to prevent the screw rod 11 from deflecting and causing the positioning rod 15 to shift, thereby affecting the stability of the connection.

[0033] By means of the provided adjustment part and locking assembly, it is only necessary to install the mounting flange 7 on the fuel tank cover, and the shell 1 can be driven to rise and fall through the adjustment part. By installing the shell 1 at the required position, the liquid levels at different depths can be monitored. There is no need to directly install the shell 1 at the required position in the fuel tank, and it is necessary to set the mounting assembly on the side wall of the fuel tank to cause leakage risk, thereby improving the safety of installation and the convenience of liquid level detection.

[0034] Working principle of the utility model: when the housing 1 needs to be installed, the mounting flange 7 is installed on the fuel tank cover, the housing 1 is pulled, and the extension rod 9 is pulled to a suitable position through the connecting rod 23 and the rotating block 22. At this time, the limit plate 17 is inserted into the insertion groove 19 under the elastic force of the first return spring 18, and the housing 1 is pre-fixed. Then the housing 1 is pushed upward, the rotating block 22 is pushed into the rotating groove 21, and the housing 1 is rotated. The housing 1 can drive the screw rod 11 through the connecting rod 23 and the rotating block 22. The screw rod 11 is rotated, and the rotation of the screw rod 11 can drive the threaded sleeve 12 threadedly connected thereon to slide in the extension rod 9. The sliding of the threaded sleeve 12 can drive the limiting slider 14 to slide in the limiting slide groove 13. The limiting slide groove 13 is inclined, which can drive the positioning rod 15 to slide in the limiting plate 17 and insert it into the plug-in cavity 20 to fix the extension rod 9. When the shell 1 is loosened, the rotating block 22 can be driven by gravity to move to the connecting groove and be fixed, so that the position of the shell 1 can be fixed and the liquid level can be detected.

[0035] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A mining explosion-proof liquid level display control sensor, comprising a housing (1), an integrated circuit board (2) installed in the housing (1), a data line (3) installed on the housing (1) and connected to the integrated circuit board (2), a reed switch (4) arranged at the bottom of the housing (1), a float (5) sleeved on the outer wall of the reed switch (4), and a positioning ring (6) arranged at the bottom of the reed switch (4) for limiting the float (5), characterized in that: The top of the shell (1) is provided with an adjustment component for adjusting the position of the shell (1), the adjustment component includes a mounting flange (7), a fixing seat (8) and an extension rod (9), the extension rod (9) is slidably connected to the inner wall of the fixing seat (8), the extension rod (9) is provided with a locking component for locking, the locking component includes a positioning rod (15) and a limit plate (17), and the extension rod (9) is provided with an adjustment part for adjusting the position of the positioning rod (15), the adjustment part includes a screw rod (11), a threaded sleeve (12), a rotating block (22) and a connecting rod (23).

2. The explosion-proof liquid level display control sensor for mining according to claim 1 is characterized in that: The fixing seat (8) is fixedly connected to the axial position of the bottom end of the mounting flange (7); the mounting flange (7) is provided with a plurality of reserved bolt holes for mounting arranged in a circumferential manner; both ends of the inner wall of the fixing seat (8) are provided with a plurality of plug-in grooves (19) arranged in a linear manner; a plug-in cavity (20) is provided at the axial position of the inner wall of the plug-in groove (19); the plug-in groove (19) and the plug-in cavity (20) are respectively matched with the limit plate (17) and the positioning rod (15).

3. The explosion-proof liquid level display control sensor for mining according to claim 2 is characterized in that: The inner wall of the extension rod (9) is provided with a first sliding hole at both ends, and a limit plate (17) is slidably connected to the inner wall of the first sliding hole. The upper and lower ends of the limit plate (17) away from the axis of the extension rod (9) are both arc-shaped, and one end of the limit plate (17) close to the axis of the extension rod (9) is fixedly connected to a connecting block (16), and the outer wall of the connecting block (16) is fixedly connected to a first return spring (18). The first return spring (18) is sleeved on the outer wall of the limit plate (17) and the other end is fixedly connected to the inner wall of the extension rod (9).

4. The explosion-proof liquid level display control sensor for mining according to claim 3 is characterized in that: A second sliding hole is provided at the axis of the inner wall of the limit plate (17), and the positioning rod (15) is slidably connected to the inner wall of the second sliding hole. One end of the positioning rod (15) close to the axis of the extension rod (9) is fixedly connected to the limit slider (14).

5. The explosion-proof liquid level display control sensor for mining according to claim 4 is characterized in that: The top axial position of the extension rod (9) is fixedly connected with a sliding seat (10), the screw rod (11) is slidably connected to the inner wall of the sliding seat (10), and the threaded sleeve (12) is threadedly connected to the outer wall of the screw rod (11), the threaded sleeve (12) is slidably connected to the inner wall of the extension rod (9), the two ends of the threaded sleeve (12) are inclined and provided with a limiting sliding groove (13), and the limiting sliding block (14) is slidably connected to the inner wall of the limiting sliding groove (13).

6. The explosion-proof liquid level display control sensor for mining according to claim 1 is characterized in that: The bottom end of the extension rod (9) is provided with a third sliding hole, the bottom end of the third sliding hole is provided with a rotation groove (21), the bottom end of the rotation groove (21) is provided with a rectangular connecting groove, and the bottom end of the connecting groove is provided with a fourth sliding hole.

7. The explosion-proof liquid level display control sensor for mining according to claim 6 is characterized in that: The bottom end of the screw rod (11) is fixedly connected to a rotating block (22), the bottom end of the rotating block (22) is fixedly connected to a connecting rod (23), the screw rod (11) is slidably connected to the third sliding hole, the connecting rod (23) is slidably connected to the fourth sliding hole and connected to the top of the shell (1), the rotating block (22) is adapted to the connecting groove, and the diameter of the rotating groove (21) is greater than the side length of the rotating block (22).

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