Liquefied natural gas leakage monitoring device

Abstract

The utility model discloses a liquefied natural gas leakage monitoring device, and relates to the liquefied natural gas monitoring technology field, the liquefied natural gas leakage monitoring device comprises a fixing frame, a monitor and an electric push rod, the monitor is detachably connected on the fixing frame, the top of the fixing frame is fixedly connected with a connecting slide bar, one end of the connecting slide bar is slidably connected with a connecting sleeve, and the connecting sleeve is fixedly connected with the electric push rod. A limiting mechanism for limiting rotation of the connecting sliding rod is arranged in the connecting sleeve, the telescopic end of the electric push rod is fixedly connected to the top of the connecting sleeve, and the electric push rod is arranged to control the whole monitor to conduct lifting adjustment; a limiting mechanism between a connecting sliding rod and a connecting sleeve is removed to control the connecting sliding rod to rotate at the bottom of the connecting sleeve so as to adjust the orientation of the monitor, a rotating rod is driven to rotate on one side face of a connecting box, and the side face of the monitor is cleaned through a brush rod; sundries are prevented from blocking the monitoring port of the monitor to influence the monitoring accuracy.

Description

TECHNICAL FIELD

[0001] The utility model relates to liquefied natural gas monitoring technical field, specifically a kind of liquefied natural gas leakage monitoring device. BACKGROUND

[0002] Liquefied natural gas main component is methane, is recognized as the cleanest fossil energy on earth, colorless, odorless, nontoxic and non-corrosive, its volume is about the volume of same amount gaseous natural gas, its manufacturing process is first natural gas purification treatment produced by gas field, after a series of ultralow temperature liquefaction, using liquefied natural gas ship transportation, air pollution is very small after liquefied natural gas combustion, and the heat released is large, so liquefied natural gas is a kind of more advanced energy.

[0003] Chinese patent publication No. CN222377673U discloses a natural gas leakage real-time monitoring device, comprising an L-shaped plate, a mounting plate is provided on the front side of the L-shaped plate, a monitoring device body is provided on the front side of the mounting plate, an installation block is fixedly installed on the rear side of the monitoring device body, plug holes are formed on the upper and lower sides and the left and right sides of the installation block, a fixing mechanism is provided on the front side of the mounting plate, the fixing mechanism comprises a box body, a lifting mechanism is provided on the bottom of the L-shaped plate, by providing the fixing mechanism, the four sides of the monitoring device body can be fixed synchronously.

[0004] But the inventor of the above device believes that there are certain defects, the monitoring port of the monitoring device is easily blocked by dust and impurities after long-term use, thereby affecting the accuracy of the monitoring device, therefore, the utility model provides a liquefied natural gas leakage monitoring device. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a liquefied natural gas leakage monitoring device to solve the problems in the prior art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a liquefied natural gas leakage monitoring device, comprising a fixing frame, a monitor and an electric push rod, the monitor is detachably connected to the fixing frame, a connecting slide rod is fixedly connected to the top of the fixing frame, one end of the connecting slide rod is slidably connected to a connecting sleeve, a limiting mechanism is arranged in the connecting sleeve to limit the rotation of the connecting slide rod, the telescopic end of the electric push rod is fixedly connected to the top of the connecting sleeve, the fixed end of the electric push rod is fixedly connected to a mounting plate, a cross bar is fixedly connected to the fixing frame, a connecting box is fixedly connected to the cross bar, a rotating rod is rotatably connected to the inside of the connecting box, a brush rod is fixedly connected to one end of the rotating rod to clean one side of the fixing frame.

[0007] Preferably, the limiting mechanism comprises a gear seat fixed to the inner top wall of the connecting sleeve, one end of the connecting slide rod is fixedly connected with a limiting gear matched with the gear seat, one end of the limiting gear is inserted into the inside of the gear seat, by pulling the limiting gear out of the inside of the gear seat, the connecting slide rod is driven to rotate at the bottom of the connecting sleeve to adjust the orientation of the fixing frame.

[0008] Preferably, the inside of the connecting sleeve is provided with a spring, the spring is sleeved on the outer surface of the connecting slide rod, under the action of the spring force, the limiting gear is stably inserted into the inside of the gear seat when not forced.

[0009] Preferably, the fixing frame is fixedly connected with a group of fixed clamping blocks and slidably connected with a group of sliding clamping blocks, the monitor is clamped between the two fixed clamping blocks and the two sliding clamping blocks, and the monitor is clamped and fixed by the two fixed clamping blocks and the two sliding clamping blocks.

[0010] Preferably, a sliding groove is formed in the fixing frame, one end of the sliding clamping block slides in the inside of the sliding groove, an adjusting screw is rotatably connected in the inside of the sliding groove, and one end of the sliding clamping block is threadedly connected on the adjusting screw, the sliding clamping block slides in the inside of the sliding groove by rotating the adjusting screw, so that the clamping of the monitor is released.

[0011] Preferably, a winding drum is fixedly connected on the rotating rod, a pull rope is wound on the winding drum, and the other end of the pull rope is fixedly connected to the bottom of the mounting plate, when the fixing frame as a whole descends, the winding drum is rotated by pulling one end of the pull rope to unwind, so that the rotating rod is driven to rotate.

[0012] Preferably, a clockwork is fixedly connected to the inner wall of the connecting box, and one end of the clockwork is fixedly connected with the rotating rod, so that the rotating rod is quickly reversed and reset under the action of the clockwork.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1、The electric push rod is arranged to control the whole monitor to ascend and descend, the connecting slide rod is driven to rotate at the bottom of the connecting sleeve to adjust the orientation of the monitor by releasing the limiting mechanism between the connecting slide rod and the connecting sleeve, the rotating rod is driven to rotate on one side of the connecting box, and the side of the monitor is cleaned by the brush rod, so that the accuracy of monitoring is prevented from being affected by the blockage of the monitoring port of the monitor.

[0015] 2、The monitor is fixed on the fixing frame by the fixed clamping block, the sliding groove, the sliding clamping block and the adjusting screw, and the monitor is taken down from the fixing frame for maintenance by controlling the sliding clamping block to slide upwards.

[0016] 3、The application drives the whole monitoring instrument to descend by starting the electric push rod, drives the rotating rod to rotate under the connection effect of the pull rope, the winding drum and the clockwork, and realizes the purpose of automatically cleaning the monitoring instrument. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structure perspective view of the liquefied natural gas leakage monitoring device;

[0018] Figure 2 It is a rear perspective view of the fixing frame of the liquefied natural gas leakage monitoring device;

[0019] Figure 3 It is a fixing frame of the liquefied natural gas leakage monitoring device; Figure 2 It is an enlarged schematic view of A;

[0020] Figure 4 It is a structure perspective view of the fixing frame of the liquefied natural gas leakage monitoring device;

[0021] Figure 5 It is a sectional perspective view of the connecting sleeve of the liquefied natural gas leakage monitoring device;

[0022] Figure 6 It is an internal perspective view of the connecting box of the liquefied natural gas leakage monitoring device.

[0023] Reference signs in the drawings: 1, fixing frame; 11, fixing clamp block; 12, sliding groove; 13, sliding clamp block; 14, adjusting screw rod; 2, monitoring instrument; 3, connecting sliding rod; 31, limiting gear; 4, connecting sleeve; 41, gear seat; 42, spring; 5, electric push rod; 51, mounting plate; 6, cross rod; 7, connecting box; 71, winding drum; 72, clockwork; 8, rotating rod; 81, brush rod; 9, pull rope. DETAILED DESCRIPTION

[0024] 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. 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.

[0025] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6The utility model provides a kind of liquefied natural gas leakage monitoring device, including fixed frame 1, monitor 2 and electric push rod 5, monitor 2 is detachably connected on fixed frame 1, a group of fixed clamping blocks 11 are fixedly connected on fixed frame 1, and a group of sliding clamping blocks 13 are slidably connected, monitor 2 is clamped between two fixed clamping blocks 11 and two sliding clamping blocks 13, fixed frame 1 is inverted U letter, and fixed clamping block 11 and sliding clamping block 13 are all L type, by controlling sliding clamping block 13 to slide down, monitor 2 is clamped between two fixed clamping blocks 11 and sliding clamping block 13, sliding groove 12 is set in fixed frame 1, one end of sliding clamping block 13 slides in the inside of sliding groove 12, adjusting screw rod 14 is rotatably connected in the inside of sliding groove 12, one end of sliding clamping block 13 is threadedly connected on adjusting screw rod 14, by rotating the nut on the top of adjusting screw rod 14 to drive adjusting screw rod 14 to rotate, sliding clamping block 13 is driven to lift to disassemble and assemble monitor 2, monitor 2 is the industrial acoustic imaging instrument produced by Hangzhou Zhaohua Electronics Co.

[0026] Please refer to Figure 1 、 Figure 2 and Figure 5 again, the top of fixed frame 1 is fixedly connected with connecting slide rod 3, one end of connecting slide rod 3 is slidably connected with connecting sleeve 4, the inside of connecting sleeve 4 is provided with limiting mechanism for limiting the rotation of connecting slide rod 3, the limiting mechanism comprises gear seat 41 fixed on the top wall in connecting sleeve 4, one end of connecting slide rod 3 is fixedly connected with limiting gear 31 matched with gear seat 41, connecting slide rod 3 and connecting sleeve 4 are both cylindrical, the rotation of connecting slide rod 3 at the bottom of connecting sleeve 4 is limited under the action of gear seat 41 and limiting gear 31, by pulling limiting gear 31 to slide down, it is convenient to drive connecting slide rod 3 to rotate at the bottom of connecting sleeve 4, to adjust the orientation of monitor 2 for monitoring, one end of limiting gear 31 is inserted into the inside of gear seat 41, spring 42 is installed in the inside of connecting sleeve 4, spring 42 is sleeved on the outer surface of connecting slide rod 3, under the action of spring force of spring 42, one end of limiting gear 31 is stably inserted into the inside of gear seat 41.

[0027] Please refer to Figure 1 and Figure 2 again, the telescopic end of electric push rod 5 is fixedly connected at the top of connecting sleeve 4, the fixed end of electric push rod 5 is fixedly connected with mounting plate 51, the device is fixed at a suitable position through mounting plate 51, the fixed frame 1 is pushed to adjust the height by starting electric push rod 5.

[0028] Please refer to Figure 1 、 Figure 2 、 Figure 3 and Figure 6The fixed frame 1 is fixedly connected with a cross rod 6, the cross rod 6 is fixedly connected with a connecting box 7, the connecting box 7 is rotatably connected with a rotating rod 8, one end of the rotating rod 8 is fixedly connected with a brush rod 81 for cleaning one side of the fixed frame 1, the brush rod 81 is used for cleaning the monitoring port of the side of the monitoring instrument 2 by driving the rotating rod 8 to rotate, so as to prevent sundries from blocking the monitoring port of the monitoring instrument 2 and affecting the monitoring accuracy.

[0029] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 6 , the rotating rod 8 is fixedly connected with a winding drum 71, the winding drum 71 is wound with a pull rope 9, the other end of the pull rope 9 is fixedly connected to the bottom of the mounting plate 51, when the electric push rod 5 pushes the monitoring instrument 2 to descend, the winding drum 71 is pulled to rotate in the connecting box 7 under the connection action of the pull rope 9, so as to drive the rotating rod 8 to rotate, the inner wall of the connecting box 7 is fixedly connected with a clockwork 72, one end of the clockwork 72 is fixedly connected with the rotating rod 8, when the electric push rod 5 rises, the clockwork 72 drives the rotating rod 8 to reverse to automatically wind the winding drum 71.

[0030] Working principle: the mounting plate 51 is installed in a suitable position through the fastener, the monitoring instrument 2 is adjusted to rise and fall by driving the electric push rod 5, so that it is installed in a position which does not affect the work of the staff, the fixed frame 1 is lowered by driving the electric push rod 5, the winding drum 71 is pulled to rotate in the connecting box 7 under the connection action of the pull rope 9, so as to drive the rotating rod 8 to rotate and make the brush rod 81 clean the monitoring port of the side of the monitoring instrument 2, so as to prevent sundries from blocking the monitoring port of the monitoring instrument 2 and affecting the monitoring accuracy, the connecting slide rod 3 is pulled to compress the spring 42, so as to slide downward, the limiting gear 31 is pulled out from the inside of the gear seat 41, the orientation of the monitoring instrument 2 is adjusted by rotating the connecting slide rod 3, the limiting gear 31 is inserted into the inside of the gear seat 41 again by the rebound of the spring 42, so as to limit the rotation of the connecting slide rod 3, the screw nut fixed at the top of the adjusting screw rod 14 is rotated, the two sliding clamping blocks 13 are controlled to slide away from the two fixed clamping blocks 11, so as to quickly release the clamping effect of the monitoring instrument 2, and the monitoring instrument 2 is taken off from the fixed frame 1 for maintenance and repair.

[0031] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A liquefied natural gas leak monitoring apparatus, characterized by: The utility model provides a kind of fixed frame (1), monitor (2) and electric push rod (5), the monitor (2) is detachably connected on fixed frame (1), the top of the fixed frame (1) is fixedly connected with connecting slide rod (3), one end of the connecting slide rod (3) is slidably connected with connecting sleeve (4), the inside of the connecting sleeve (4) is equipped with limiting mechanism for limiting the rotation of connecting slide rod (3), the telescopic end of the electric push rod (5) is fixedly connected at the top of connecting sleeve (4), the fixed end of the electric push rod (5) is fixedly connected with mounting plate (51), the fixed frame (1) is fixedly connected with cross bar (6), the cross bar (6) is fixedly connected with connecting box (7), the inside of the connecting box (7) is rotatably connected with rotating rod (8), one end of the rotating rod (8) is fixedly connected with brush rod (81) for cleaning one side of fixed frame (1).

2. A liquefied natural gas leak monitoring device according to claim 1, wherein: The limiting mechanism includes a gear seat (41) fixed to the inner top wall of the connecting sleeve (4), one end of the connecting slide rod (3) is fixedly connected with a limiting gear (31) adapted to the gear seat (41), and the limiting gear (31) is inserted into the inside of the gear seat (41).

3. A liquefied natural gas leak monitoring device according to claim 2, wherein: The connecting sleeve (4) is internally mounted with a spring (42), and the spring (42) is sleeved on the outer surface of the connecting slide rod (3).

4. The LNG leak monitoring device of claim 1, wherein: The fixed frame (1) is fixedly connected with a set of fixed clamping blocks (11) and slidably connected with a set of sliding clamping blocks (13), and the monitor (2) is clamped between two fixed clamping blocks (11) and two sliding clamping blocks (13).

5. A liquefied natural gas leak monitoring device according to claim 4, wherein: The fixed frame (1) is provided with a sliding groove (12), one end of the sliding clamping block (13) is slidably arranged in the sliding groove (12), and the sliding groove (12) is rotatably connected with an adjusting screw (14) inside.

6. The LNG leak monitoring device of claim 1, wherein: The rotating rod (8) is fixedly connected with a winding drum (71), the winding drum (71) is wound with a pull rope (9), and the other end of the pull rope (9) is fixedly connected to the bottom of the mounting plate (51).

7. A liquefied natural gas leak monitoring device according to claim 6, wherein: The inner wall of the connecting box (7) is fixedly connected with a clock spring (72), and one end of the clock spring (72) is fixedly connected with the rotating rod (8).

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