CN215722489U

CN215722489U - Overfilling prevention device for liquefied natural gas cylinder

Info

Publication number: CN215722489U
Application number: CN202122144089.7U
Authority: CN
Inventors: 李东
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2022-02-01
Anticipated expiration: 2031-09-07

Abstract

The utility model discloses an overfilling prevention device for a liquefied natural gas cylinder, which comprises a table body, wherein the lower end of the table body is movably connected with a bottom shell, the left side and the right side of the lower end of the bottom shell are fixedly connected with trundles, the inner side of the table body is provided with an installation cavity, the inner side of the installation cavity is provided with a positioning piece, and the outer side of the positioning piece is provided with a linkage piece. By adopting the structure, the positioning piece and the linkage piece are arranged in the installation cavity of the table body, the second belt wheel is arranged in the middle of the screw rod, the motor can drive the second belt wheel to rotate through the cooperation of the first belt wheel and the belt, the screw rod can also rotate, the first moving block and the second moving block are respectively arranged on the screw rod, the first moving block and the second moving block can simultaneously move towards the middle or two sides on one screw rod by utilizing the opposite property of the first moving block and the second moving block, and the first moving block and the second moving block are connected with the arc plate through the rod body to position the bottle body at the lower end of the anti-overcharging device body, so that the manual adjusting force is greatly reduced.

Description

Overfilling prevention device for liquefied natural gas cylinder

Technical Field

The utility model belongs to the technical field of petrochemical equipment, and particularly relates to an anti-overcharging device for a liquefied natural gas cylinder.

Background

The liquefied gas bottle refers to a storage tank for storing liquefied gas, and when the liquefied gas is in the storage tank, the pressure is very high, and explosion can be caused by slight misoperation, and the liquefied gas bottle belongs to special equipment. The product is made of steel and has certain pressure resistance, and the maximum bearing pressure of the liquefied gas steel cylinder is 2.1 MPa.

However, since the range of the pressure of the liquefied gas cylinder is limited, in order to prevent danger, an anti-overcharging device with a detection function is generally adopted in a gas filling plant for detection, so as to ensure that the bottle flows to the hands of a user safely, while the traditional anti-overcharging device has no positioning function in the using process, and needs to manually position the position of the bottle, so that the bottle is under the anti-overcharging device, which is troublesome, and in addition, the traditional anti-overcharging device is easy to shake in the moving process, so that the sensitivity of the device is affected.

SUMMERY OF THE UTILITY MODEL

In view of the problems mentioned in the background art, the utility model aims to provide an anti-overcharging device for a liquefied natural gas cylinder, so as to solve the problems that the anti-overcharging device has no bottle body positioning function and has no vibration resistance.

The technical purpose of the utility model is realized by the following technical scheme:

the utility model provides a liquefied natural gas cylinder prevents overcharging device, includes the stage body, the lower extreme swing joint of stage body has the drain pan, the equal fixedly connected with truckle in the left and right sides of drain pan lower extreme, the inboard of stage body is equipped with the installation cavity, the inboard of installation cavity is equipped with the setting element, the outside of setting element is equipped with the linkage, the upper end of setting element is equipped with the body of rod, the upper end welded connection that the installation cavity was run through to the one end of the body of rod has the arc board, the upper end fixedly connected with stand of stage body, the upper end fixedly connected with cylinder of stand, the positive sliding connection of stand has the base plate, the output of cylinder and the upper end fixed connection of base plate, the lower extreme fixed mounting of base plate prevents overcharging the device body, the lower extreme fixedly connected with location cover of base plate, the location cover will prevent overcharging the device body and cover.

Through adopting above-mentioned technical scheme, through set up setting element and linkage in the installation cavity on the stage body, can conveniently fix a position the bottle on the stage body.

Further, as preferred technical scheme, the lower extreme sliding connection of stage body is inboard at the upper end of drain pan, the contralateral fixedly connected with spring of drain pan and stage body, the contralateral of drain pan and stage body is equipped with the bolster.

Through adopting above-mentioned technical scheme, on stage body and the gliding basis of drain pan, the spring that sets up between cooperation drain pan and the stage body can reach absorbing effect.

Further, as a preferred technical scheme, the inner side of the bottom shell is fixedly connected with a sliding block, the left side and the right side of the table body are both provided with sliding grooves, and the sliding block and the sliding grooves are in sliding connection.

Through adopting above-mentioned technical scheme, through set up the slider on the drain pan, can make things convenient for the drain pan to slide in the spout of stage body.

Further, as preferred technical scheme, the bolster includes the sleeve, sleeve fixed connection is at the lower extreme of stage body, the inboard fixedly connected with connecting rod of drain pan, telescopic inboard fixedly connected with gliding mass is stretched into to the one end of connecting rod, gliding mass sliding connection is in telescopic inside.

Through adopting above-mentioned technical scheme, through setting up the bolster, after the spring produced the deformation, the gliding mass that the connecting rod is connected can carry out the slip of friction formula in sleeve inside, can consume the ability of spring deformation.

Further, as preferred technical scheme, the setting element includes the screw rod, the screw rod rotates to be connected in the inboard of installation cavity, the inboard fixedly connected with slide bar of installation cavity, the left side threaded connection of screw rod has the second to move the piece, the right side threaded connection of screw rod has the first piece that moves, the first piece that moves and the second moves the outside of the equal sliding connection of piece at the slide bar, the body of rod fixed connection is respectively in the first upper end that moves the piece and the second moves the piece, the outside at the screw rod is established to the linkage piece.

By adopting the technical scheme, the first moving block and the second moving block are respectively arranged on the screw rods by arranging the positioning piece, and the first moving block and the second moving block can move towards the middle or two sides of one screw rod simultaneously by utilizing the opposite property of the first moving block and the second moving block.

Further, as a preferred technical scheme, the linkage piece includes a second belt wheel, the second belt wheel is fixedly connected to the outer side of the middle of the screw rod, a motor is fixedly mounted on the inner side of the mounting cavity, a first belt wheel is fixedly connected to the output end of the motor, and the outer sides of the second belt wheel and the first belt wheel are connected with the same belt in a winding manner.

Through adopting above-mentioned technical scheme, through setting up the linkage, set up the second band pulley at the middle part of screw rod, utilize the motor to drive the second band pulley through first band pulley cooperation belt and rotate, also make the screw rod can rotate.

Further, as a preferred technical scheme, the upper end of the table body is provided with a long hole, the long hole is communicated with the mounting cavity, and one end of the rod body penetrates through the long hole.

Through adopting above-mentioned technical scheme, through setting up the slot hole on the stage body, can make things convenient for the body of rod to remove on the stage body.

Further, as a preferred technical scheme, the front surface of the upright post is provided with a base groove, and the back surface of the base plate is connected with the base groove in a sliding manner.

By adopting the technical scheme, the machine groove is formed in the front face of the stand column, so that the base plate can slide on the stand column conveniently.

Further, as a preferred technical scheme, a buzzer is fixedly mounted at the upper end of the upright post.

By adopting the technical scheme, the alarm can be given to the overcharged bottle by arranging the buzzer on the upright post.

Further, as a preferred technical scheme, the front surface of the upright post is provided with an infrared sensing module.

Through adopting above-mentioned technical scheme, through set up the infrared induction module on the stand, can respond to the height of bottle, conveniently prevent that the overcharge device body can be better be connected with the bottle gas port.

In summary, the utility model mainly has the following beneficial effects:

firstly, a positioning part and a linkage part are arranged in an installation cavity of the table body, a second belt wheel is arranged in the middle of a screw rod, the second belt wheel can be driven to rotate by a motor through the cooperation of the first belt wheel and a belt, the screw rod can also rotate, a first moving block and a second moving block are respectively arranged on the screw rod, the first moving block and the second moving block can simultaneously move to the middle or two sides on one screw rod by utilizing the opposite property of the first moving block and the second moving block, and the bottle body can be positioned at the lower end of the anti-overcharging device body by the first moving block and the second moving block through rod body connection arc plates, so that the manual adjustment force is greatly reduced;

the second, on stage body and the gliding basis of drain pan, the spring that sets up between cooperation drain pan and the stage body can reach absorbing effect, produces the back that warp when the spring, and the gliding body that the connecting rod is connected can carry out the slip of friction formula in that the sleeve is inside, can consume the ability of spring deformation for the removal of equipment is more stable.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a top view of the interior of the mounting cavity of the present invention;

fig. 4 is an enlarged view of the structure at a of the present invention.

Reference numerals: 1. bottom shell, 2, truckle, 3, spout, 4, slider, 5, spring, 6, stage body, 7, bolster, 701, sleeve, 702, gliding mass, 703, connecting rod, 8, linkage piece, 801, motor, 802, first band pulley, 803, belt, 804, second band pulley, 9, setting element, 901, screw rod, 902, slide bar, 903, first shifting block, 904, second shifting block, 10, installation cavity, 11, slot hole, 12, the body of rod, 13, arc board, 14, infrared induction module, 15, stand, 16, cylinder, 17, base plate, 18, base groove, 19, location cover, 20, prevent overcharging device body, 21, bee calling organ.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-4, the overfilling prevention device for the liquefied natural gas cylinder described in this embodiment includes a table 6, a bottom case 1 is movably connected to a lower end of the table 6, casters 2 are fixedly connected to both left and right sides of a lower end of the bottom case 1, an installation cavity 10 is arranged inside the table 6, a positioning member 9 is arranged inside the installation cavity 10, a linkage member 8 is arranged outside the positioning member 9, a rod 12 is arranged on an upper end of the positioning member 9, an arc plate 13 is welded to one end of the rod 12, which penetrates through an upper end of the installation cavity 10, an upright post 15 is fixedly connected to an upper end of the table 6, an air cylinder 16 is fixedly connected to an upper end of the upright post 15, a base plate 17 is slidably connected to a front surface of the upright post 15, an output end of the air cylinder 16 is fixedly connected to an upper end of the base plate 17, an overfilling prevention device body 20 is fixedly mounted to a lower end of the base plate 17, a positioning cover 19 is fixedly connected to a lower end of the base plate 17, and the positioning cover 19 covers the overfilling prevention device body 20; the lower end of the table body 6 is connected to the inner side of the upper end of the bottom shell 1 in a sliding manner, the opposite sides of the bottom shell 1 and the table body 6 are fixedly connected with springs 5, buffer parts 7 are arranged on the opposite sides of the bottom shell 1 and the table body 6, and on the basis that the table body 6 and the bottom shell 1 slide, the springs 5 arranged between the bottom shell 1 and the table body 6 are matched, so that a damping effect can be achieved; the inner side of the bottom shell 1 is fixedly connected with a sliding block 4, the left side and the right side of the platform body 6 are both provided with sliding chutes 3, the sliding block 4 and the sliding chutes 3 are in sliding connection, and the sliding block 4 is arranged on the bottom shell 1, so that the bottom shell 1 can conveniently slide in the sliding chutes 3 of the platform body 6; the buffer member 7 comprises a sleeve 701, the sleeve 701 is fixedly connected to the lower end of the table body 6, a connecting rod 703 is fixedly connected to the inner side of the bottom case 1, one end of the connecting rod 703 extends into the inner side of the sleeve 701 and is fixedly connected with a sliding body 702, the sliding body 702 is slidably connected to the inner side of the sleeve 701, and after the spring 5 deforms, the sliding body 702 connected with the connecting rod 703 can perform friction type sliding in the sleeve 701, so that the deformation capacity of the spring 5 can be consumed; the back of the upright post 15 is provided with the DSP controller, so that the cylinder 16, the motor 801, the buzzer 21, the overcharge-preventing device body 20, the infrared induction module 14 and other devices can be electrically controlled conveniently, and labor cost can be greatly reduced.

Through set up setting element 9 and linkage 8 in installation cavity 10 on stage body 6, can conveniently fix a position the bottle on stage body 6, can solve the manual work and carry out the problem of fixing a position the bottle, through set up slip drain pan 1 at stage body 6 lower extreme, utilize spring 5 and buffer 7 on the drain pan 1, can prevent that equipment from removing the in-process and producing vibrations, can solve the problem that vibrations influence equipment sensitivity.

Example 2

Referring to fig. 2 to 3, on the basis of embodiment 1, in order to achieve the purpose of conveniently positioning the bottle, the present embodiment innovatively designs a positioning member 9 and a linkage member 8, specifically, the positioning member 9 includes a screw 901, the screw 901 is rotatably connected to the inner side of the installation cavity 10, the inner side of the installation cavity 10 is fixedly connected with a slide rod 902, the left side of the screw 901 is connected with a second moving block 904 in a threaded manner, the right side of the screw 901 is connected with a first moving block 903 in a threaded manner, both the first moving block 903 and the second moving block 904 are slidably connected to the outer portion of the slide rod 902, the rod body 12 is respectively fixedly connected to the upper ends of the first moving block 903 and the second moving block 904, the linkage member 8 is disposed on the outer portion of the screw 901, a first moving block 903 and a second moving block 904 are respectively arranged on the screw 901, and by utilizing the inversions of the first moving block 903 and the second moving block 904, the first moving block 903 and the second moving block 904 can be moved to the middle or two sides simultaneously on one screw 901; the linkage 8 comprises a second belt wheel 804, the second belt wheel 804 is fixedly connected to the outer side of the middle of the screw 901, a motor 801 is fixedly installed on the inner side of the installation cavity 10, the output end of the motor 801 is fixedly connected with a first belt wheel 802, the outer sides of the second belt wheel 804 and the first belt wheel 802 are connected with the same belt 803 in a winding manner, the second belt wheel 804 is arranged in the middle of the screw 901, the motor 801 is utilized to match the belt 803 through the first belt wheel 802 to drive the second belt wheel 804 to rotate, and the screw 901 can also rotate; the upper end of the table body 6 is provided with a long hole 11, the long hole 11 is communicated with the mounting cavity 10, one end of the rod body 12 penetrates through the long hole 11, and the long hole 11 is arranged on the table body 6, so that the rod body 12 can conveniently move on the table body 6; the front of the upright post 15 is provided with a base groove 18, the back of the base plate 17 is connected with the base groove 18 in a sliding manner, and the front of the upright post 15 is provided with a machine groove which can facilitate the base plate 17 to slide on the upright post 15.

Example 3

Referring to fig. 1, in order to achieve the purpose of conveniently performing an anti-overcharging alarm, a buzzer 21 is fixedly installed at the upper end of the upright post 15, and the buzzer 21 is arranged on the upright post 15, so that an alarm can be given to an overcharged bottle.

Referring to fig. 1, in order to achieve the purpose of conveniently sensing the height of the bottle, the front surface of the upright post 15 is provided with the infrared sensing module 14, the infrared sensing module 14 is arranged on the upright post 15, the height of the bottle body can be sensed, and the anti-overcharging device body 20 can be better connected with the air port of the bottle.

The use principle and the advantages are as follows: when the device is used, firstly, the device is moved to a designated use place, in the moving process, on the basis that the table body 6 and the bottom case 1 slide, the spring 5 arranged between the bottom case 1 and the table body 6 is matched, so that the shock absorption effect can be achieved, when the spring 5 deforms, the sliding body 702 connected with the connecting rod 703 can slide in a friction mode in the sleeve 701, the deformation capacity of the spring 5 can be consumed, so that the device can move more stably, when the device is in place, a bottle is put on the table, the DSP controller controls the motor 801, as the second belt wheel 804 is arranged in the middle of the screw 901, the motor 801 is matched with the belt 803 through the first belt wheel 802 to drive the second belt wheel 804 to rotate, so that the screw 901 can rotate, the first moving block 903 and the second moving block 904 are respectively arranged on the screw 901, and the first moving block 903 and the second moving block 904 can simultaneously move towards the middle or two sides of the screw 901 by utilizing the opposite property of the first moving block 903 and the second moving block 904, and first move piece 903 and second and move piece 904 and connect the arc board 13 through the body of rod 12 and can be located the bottle at the lower extreme of preventing overcharging device body 20, then can respond to the height of bottle through set up infrared induction module 14 on stand 15, and cylinder 16 promotes and prevents that overcharging device body 20 and bottle contact, and during the contact, the position fixing cover 19 on the base plate 17 can be fixed a position earlier, after preventing overcharging device body 20 and detecting, if there is the bottle of overcharging to trigger bee calling organ 21 and report to the police.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a liquefied natural gas cylinder prevents overcharge device which characterized in that: comprises a table body (6), the lower end of the table body (6) is movably connected with a bottom shell (1), the left side and the right side of the lower end of the bottom shell (1) are fixedly connected with trundles (2), the inner side of the table body (6) is provided with an installation cavity (10), the inner side of the installation cavity (10) is provided with a positioning piece (9), the outer side of the positioning piece (9) is provided with a linkage piece (8), the upper end of the positioning piece (9) is provided with a rod body (12), one end of the rod body (12) penetrates through the upper end of the installation cavity (10) and is welded with an arc plate (13), the upper end of the table body (6) is fixedly connected with a stand column (15), the upper end of the stand column (15) is fixedly connected with a cylinder (16), the front side of the stand column (15) is slidably connected with a base plate (17), the output end of the cylinder (16) is fixedly connected with the upper end of the base plate (17), the lower end of the base plate (17) is fixedly mounted with an overcharge-preventing device body (20), the lower extreme fixedly connected with of base plate (17) fixes a position cover (19), location cover (19) will prevent that overcharge device body (20) covers.

2. The liquefied natural gas cylinder overfill prevention device of claim 1, wherein: the lower extreme sliding connection of stage body (6) is inboard in the upper end of drain pan (1), the offside fixedly connected with spring (5) of drain pan (1) and stage body (6), the offside of drain pan (1) and stage body (6) is equipped with bolster (7).

3. The liquefied natural gas cylinder overfill prevention device of claim 2, wherein: the inner side of the bottom shell (1) is fixedly connected with a sliding block (4), the left side and the right side of the platform body (6) are both provided with sliding grooves (3), and the sliding block (4) is in sliding connection with the sliding grooves (3).

4. The liquefied natural gas cylinder overfill prevention device of claim 2, wherein: buffer member (7) include sleeve (701), sleeve (701) fixed connection is at the lower extreme of stage body (6), the inboard fixedly connected with connecting rod (703) of drain pan (1), the inboard fixedly connected with gliding mass (702) of sleeve (701) is stretched into to the one end of connecting rod (703), gliding mass (702) sliding connection is in the inside of sleeve (701).

5. The liquefied natural gas cylinder overfill prevention device of claim 1, wherein: the positioning piece (9) comprises a screw rod (901), the screw rod (901) is rotatably connected to the inner side of the installation cavity (10), a sliding rod (902) is fixedly connected to the inner side of the installation cavity (10), a second moving block (904) is connected to the left side of the screw rod (901) in a threaded manner, a first moving block (903) is connected to the right side of the screw rod (901) in a threaded manner, the first moving block (903) and the second moving block (904) are both connected to the outer portion of the sliding rod (902) in a sliding manner, the rod body (12) is respectively and fixedly connected to the upper ends of the first moving block (903) and the second moving block (904), and the linkage piece (8) is arranged on the outer portion of the screw rod (901).

6. An overfill prevention device for a liquefied natural gas cylinder according to claim 5, wherein: the linkage piece (8) comprises a second belt wheel (804), the second belt wheel (804) is fixedly connected to the outer side of the middle of the screw rod (901), a motor (801) is fixedly installed on the inner side of the installation cavity (10), the output end of the motor (801) is fixedly connected with a first belt wheel (802), and the outer sides of the second belt wheel (804) and the first belt wheel (802) are connected with the same belt (803) in a winding mode.

7. The liquefied natural gas cylinder overfill prevention device of claim 1, wherein: the upper end of the table body (6) is provided with a long hole (11), the long hole (11) is communicated with the mounting cavity (10), and one end of the rod body (12) penetrates through the long hole (11).

8. The liquefied natural gas cylinder overfill prevention device of claim 1, wherein: the front surface of the upright post (15) is provided with a base groove (18), and the back surface of the base plate (17) is connected with the base groove (18) in a sliding manner.

9. The liquefied natural gas cylinder overfill prevention device of claim 1, wherein: and a buzzer (21) is fixedly arranged at the upper end of the upright post (15).

10. The liquefied natural gas cylinder overfill prevention device of claim 1, wherein: the front surface of the upright post (15) is provided with an infrared induction module (14).