CN110127235B - Manhole leakage-proof device and method of tank truck - Google Patents
Manhole leakage-proof device and method of tank truck Download PDFInfo
- Publication number
- CN110127235B CN110127235B CN201910396086.7A CN201910396086A CN110127235B CN 110127235 B CN110127235 B CN 110127235B CN 201910396086 A CN201910396086 A CN 201910396086A CN 110127235 B CN110127235 B CN 110127235B
- Authority
- CN
- China
- Prior art keywords
- manhole
- air
- storage bin
- tank
- tank truck
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000002265 prevention Effects 0.000 claims description 11
- 239000011324 bead Substances 0.000 claims description 7
- 239000007788 liquid Substances 0.000 abstract description 4
- 239000000383 hazardous chemical Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/10—Manholes; Inspection openings; Covers therefor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Vessels And Lids Thereof (AREA)
Abstract
The invention discloses a manhole leakage-proof device of a tank truck and a method thereof.A manhole baffle, an air cylinder and a track groove are arranged in a tank body and are cooperatively matched with an air pressure control unit, and the air pressure control unit is controlled to provide driving force required by sliding for a movable part of the air cylinder, so that the movable part slides in the track groove and drives the manhole baffle to move. The method is simple, and when the tank truck is not in overturn danger, the manhole baffle is positioned in the first storage bin; when taking place danger, the manhole baffle moves to between in first collecting storage facility and the second collecting storage facility to block the manhole opening part, prevent that the manhole from being destroyed the danger article liquid that leads to and reveal on a large scale, reduced the danger coefficient of danger article transportation, ensured danger article transportation safety. The whole anti-leakage device is positioned in the tank body, and the shape of the tank body is not required to be changed, so that the strength of the tank body structure is effectively ensured, and the transportation safety is improved.
Description
Technical Field
The invention belongs to the technical field of automobile transportation safety, and particularly relates to a manhole leakage prevention device and method of a tank truck.
Background
The manhole is a pore channel which is arranged at the top of the tank body of the tank truck and is convenient for maintenance personnel to enter the tank body. When the accident of the tank truck topples, the manhole on the tank body is very easy to be damaged, and hazardous chemical liquid carried in the tank body can be leaked from the damaged manhole, so that the threat causes great harm to the transportation safety of the hazardous chemical, and a major safety accident is very easy to cause.
The chinese patent with application number 200420081751.2 discloses a tank, which is provided with one or more cavities, and can accommodate a plurality of protruding devices in the cavities, and when tank car accident overturn in operation, it is ensured that the inner manhole will not be damaged, however, although the protruding devices on the tank body are protected, the tank body strength weakens, and is easy to be destroyed, and the probability of dangerous chemical liquid leakage is increased.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the technical problem that the manhole can not be prevented from leaking on the premise of ensuring the structural safety of the tank body in the prior art, the invention provides the manhole leakage preventing device of the tank truck, so that the potential safety hazard is solved, and the transportation safety of dangerous chemicals is improved.
Another object of the invention is to provide a leak-proof method using the above-mentioned device.
The technical scheme is as follows: the invention relates to a manhole leakage-proof device of a tank truck, which comprises a manhole baffle, a first storage bin, a second storage bin, two guide rail grooves, two cylinders and an air pressure control unit, wherein the manhole baffle is arranged on the first storage bin; the manhole baffle is arranged inside the tank body of the tank truck and is abutted against the top end of the tank body; the first storage bin and the second storage bin are both mounted at the top end of the inner part of the tank body of the tank truck, and openings of the first storage bin and the second storage bin are oppositely arranged and are respectively arranged at the front side and the rear side of the manhole; the two guide rail grooves respectively extend into the second storage bin from the inside of the first storage bin and are fixed; the air cylinders are provided with movable parts, the movable parts of the two air cylinders are respectively and fixedly connected to two sides of the manhole baffle and are arranged in the two guide rail grooves in a one-to-one correspondence manner; the air pressure control unit pressurizes the two air cylinders to drive the two movable parts to synchronously slide along the guide rail groove in the same direction; the sliding of the movable part drives the manhole baffle to move between a first position and a second position; when the manhole baffle is positioned at the first position, the manhole baffle is positioned in the first storage bin; when being located when the second position, the manhole baffle is located between first containing storehouse and the second containing storehouse to support and lean on at the manhole opening part.
Wherein, the anti-leakage device is also provided with a spring top bead; when the manhole cover is located at the second position, the spring top beads abut against two ends of the lower surface of the manhole baffle plate and press the manhole baffle plate at the opening of the manhole. Thereby enhancing the sealing effect of the manhole baffle plate on the manhole.
The spring top beads are arranged in rows in the first storage bin and the second storage bin. Thereby when the manhole baffle is located first storage chamber or second storage chamber, the spring top pearl also can compress tightly the manhole baffle at jar body top, avoids rocking.
The upper and lower both sides of movable part all are provided with the slip ball groove, the upper and lower both sides in the guide rail inslot all be provided with slip ball groove complex ball track, the movable part slides in the guide rail inslot through the slip ball that sets up between slip ball groove and ball track.
The air pressure control unit comprises an electromagnetic valve, a one-way valve, a high-pressure air storage tank, an air compressor and a motor; the air compressor compresses air to the high-pressure air storage tank for storage through the driving of the motor; and controlling air in the high-pressure air storage tank to charge the air cylinder through the electromagnetic valve.
The cylinder is a rod cylinder, a piston rod of the cylinder is fixed at the end part of the guide rail groove, and a cylinder body of the cylinder is used as the movable part.
The cylinder body of the cylinder is provided with a first air port and a second air port; when the upper end of the electromagnetic valve is electrified, the first air port admits air, the second air port gives out air, and the piston rod contracts; when the lower end of the electromagnetic valve is electrified, the first air port gives out air, the second air port gives in air, and the piston rod stretches out.
Corresponding to the manhole leakage-proof device of the tank truck, the leakage-proof method adopts the technical scheme that:
under the normal running state of the tank truck, the electromagnetic valve is not electrified and is in a cut-off state, and the manhole baffle is positioned in the first storage bin or the second storage bin; when the tank truck encounters a tipping danger, the lower end of the electromagnetic valve is in a power-on state, and the manhole baffle is pushed to block the opening of the manhole; when the overturning danger is relieved, the upper end of the electromagnetic valve is in a power-on state, the manhole baffle is pulled back, and then the electromagnetic valve is in a cut-off state.
Has the advantages that: the device sets up manhole baffle, cylinder, track groove at jar internal portion to cooperate with the atmospheric control unit, through the control to the atmospheric control unit, provide the required drive power of slip to the movable part of cylinder, make the movable part slide and drive the manhole baffle and remove in the track groove. The anti-leakage method is simple, and when the tank truck is not in overturn danger, the manhole baffle is positioned in the first storage bin; when taking place danger, the cylinder receives atmospheric control unit's drive power, and the movable part slides and drives the motion of manhole baffle, blocks the manhole opening part, prevents that the manhole from being destroyed the danger article liquid that leads to and reveals on a large scale, has reduced the danger coefficient of danger article transportation, has ensured danger article transportation safety. The whole anti-leakage device is positioned in the tank body, and the shape of the tank body is not required to be changed, so that the strength of the tank body structure is effectively ensured, and the transportation safety is improved.
Drawings
FIG. 1 is a schematic structural view of a leak prevention apparatus in an embodiment of the invention showing the structure of a receiving chamber, spring top bead and manhole;
figure 2 is a schematic structural view of a leak prevention apparatus in an embodiment of the invention showing the structure of the apparatus with the manhole cover in a second position;
FIG. 3 is a schematic view showing an assembly structure of a manhole cover, a cylinder and a rail groove in an embodiment of the present invention;
FIG. 4 is a disassembled view illustrating an assembled structure of a manhole cover, a cylinder and a rail groove in an embodiment of the present invention;
FIG. 5 is a schematic structural view of a cylinder in the embodiment of the invention;
fig. 6 is a schematic structural diagram of an air pressure control unit according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1-5, the embodiment discloses a manhole leakage-proof device of a tank truck, wherein a mechanical component part of the device is welded at the top end inside a tank body 100 of the tank truck, and the device is used for preventing leakage of a manhole when the tank truck encounters an overturning danger in a transportation process of hazardous chemicals, so that the potential safety hazard is solved, and the transportation safety of the hazardous chemicals is improved.
Specifically, the device includes manhole baffle 1, first containing storehouse 2, second containing storehouse 3, two guide rail grooves 4, two cylinders 5, atmospheric pressure control unit and spring top pearl 6. Wherein, first containing storehouse 2 and second containing storehouse 3 all are one end open structure, and both welds on the inside top of jar body 100, and the opening sets up relatively and arranges respectively in manhole 200's front and back both sides. The manhole baffle 1 is arranged inside the tank body 100 of the tank truck and abuts against the top end of the tank body 100, and under normal conditions, the manhole baffle 1 is stored in the first storage bin 2, namely the first position in the invention.
The two guide rail grooves 4 are arranged side by side, and extend from both sides of the inside of the first storage compartment 2 to the inside of the second storage compartment 3 and are fixed, respectively. The upper side and the lower side in the guide rail groove 4 are provided with the ball rails 41, and the lengths of the guide rail groove 4 and the ball rails 41 are set according to actual needs, in this embodiment, the manhole baffle 1 is stored in the first storage bin 2 in a normal state, so that one end of the guide rail groove 4 is welded at the end part of the inner side of the first storage bin 2 in an overhead manner, and the other end of the guide rail groove 4 is welded at the middle position of the second storage bin 3.
The cylinder 5 may be a rod cylinder or a rodless cylinder, in this embodiment, the rod cylinder is specifically described, and a piston rod of the cylinder 5 is a fixing portion and is fixed to an end portion of the guide rail groove 4. The cylinder body is used as a movable part 51 of the air cylinder 5, and the movable parts 51 of the two air cylinders 5 are respectively welded and fixed on two sides of the manhole baffle plate 1. The upper and lower surfaces of the cylinder are provided with sliding ball grooves 52, and both ends of the cylinder have first and second ports 54 and 55.
The two cylinders 5 are correspondingly arranged in the two guide rail grooves 4, and the sliding balls 53 are clamped between the two cylinders through the matching of the ball tracks 41 and the sliding ball grooves 52 to form a sliding mechanism, so that the cylinder body can slide in the guide rail grooves 4. The air pressure control unit pressurizes the two air cylinders 5 to drive the two cylinder bodies to synchronously slide along the guide rail groove 4 in the same direction; the sliding of the cylinder/activating part 51 moves the manhole cover 1 between the first and second positions according to the invention. In this embodiment, when in the first position, the manhole cover 1 is located in the first storage compartment; when the manhole cover is located at the second position, the manhole cover 1 is located between the first storage bin 2 and the second storage bin 3 and abuts against the opening of the manhole 200.
In this embodiment, spring top pearl 6 sets up in rows in first collecting storage 2 and second collecting storage 3 along the fore-and-aft direction of vehicle, and spring top pearl 6 supports all the time and leans on in the lower surface of manhole baffle 6, when manhole baffle 1 is located the primary importance, spring top pearl 6 compresses tightly manhole baffle 1 at jar body 100 tops, avoid rocking of transportation, when manhole baffle 1 is located the secondary importance, spring top pearl 6 supports and leans on the both ends in manhole baffle 1 lower surface, and compress tightly manhole baffle 1 and realize sealing at manhole 200 opening part.
As shown in fig. 6, the air pressure control unit includes an electromagnetic valve 7, a check valve 8, a high pressure air tank 9, an air compressor 10, and a motor 11. The air compressor 10 compresses air to the high-pressure air storage tank 9 for storage through the driving of the motor 11; the air in the high-pressure air storage tank 9 is controlled by the on-off of the electromagnetic valve 7 to charge the air cylinder 5.
The leakage prevention control method of the leakage prevention device in the embodiment is as follows: when the tank truck is in a normal running state, namely when the tank truck does not encounter overturning danger, the electromagnetic valve 7 is not electrified and is in a cut-off state, and the manhole baffle plate 1 is positioned in the first storage bin 2. When the tank truck runs into the overturning danger, the lower end of the electromagnetic valve 7 is in the power-on state, the first air port 54 gives out air, the second air port 55 gives in air, the piston rod extends out of the pushing cylinder body, the manhole baffle plate 1 is pushed, and the opening of the manhole 200 is blocked to avoid leakage. When the overturning danger is relieved, the upper end of the electromagnetic valve 7 is in a power-on state, the first air port 54 is used for air inlet, the second air port 55 is used for air outlet, the piston rod is contracted and pulled back to the cylinder body, the manhole baffle plate 1 is pulled back, and then the electromagnetic valve 7 is in a stop state.
Claims (7)
1. A manhole leakage-proof device of a tank truck is characterized by comprising a manhole baffle (1), a first storage bin (2), a second storage bin (3), two guide rail grooves (4), two cylinders (5) and an air pressure control unit; the manhole baffle (1) is arranged inside a tank body (100) of the tank truck and is abutted against the top end of the tank body (100); the first storage bin (2) and the second storage bin (3) are both mounted at the top end of the interior of the tank body (100) of the tank truck, and openings of the first storage bin (2) and the second storage bin (3) are oppositely arranged and are respectively arranged on the front side and the rear side of the manhole (200); the two guide rail grooves (4) respectively extend into the second storage bin (3) from the interior of the first storage bin (2) and are fixed; the air cylinders (5) are provided with movable parts (51), the movable parts (51) of the two air cylinders (5) are respectively and fixedly connected to two sides of the manhole baffle plate (1) and are arranged in the two guide rail grooves (4) in a one-to-one correspondence manner; the air pressure control unit pressurizes the two air cylinders (5) to drive the two movable parts (51) to synchronously slide along the guide rail groove (4) in the same direction; the sliding of the movable part (51) drives the manhole baffle (1) to move between a first position and a second position;
when the manhole baffle plate is located at the first position, the manhole baffle plate (1) is located in the first storage bin (2);
when the manhole baffle plate is located at the second position, the manhole baffle plate (1) is located between the first storage bin (2) and the second storage bin (3) and is abutted against the opening of the manhole (200);
a spring top bead (6) is also arranged; when the manhole cover is located at the second position, the spring top beads (6) abut against two ends of the lower surface of the manhole baffle plate (1) and press the manhole baffle plate (1) at the opening of the manhole (200).
2. Tank truck manhole spill prevention device according to claim 1, wherein the spring top beads (6) are arranged in rows in the first and second storage chambers (2, 3).
3. The tank truck manhole leakage prevention device according to claim 1, wherein sliding ball grooves (52) are provided on both upper and lower sides of the movable portion (51), ball tracks (41) engaged with the sliding ball grooves (52) are provided on both upper and lower sides in the guide rail groove (4), and the movable portion (51) slides in the guide rail groove (4) by sliding balls (53) provided between the sliding ball grooves (52) and the ball tracks (41).
4. The tank truck manhole leak preventer according to claim 1, wherein the pneumatic control unit comprises a solenoid valve (7), a check valve (8), a high pressure air tank (9), an air compressor (10), and a motor (11); the air compressor (10) compresses air into the high-pressure air storage tank (9) for storage through the driving of the motor (11); and the electromagnetic valve (7) is used for controlling air in the high-pressure air storage tank (9) to charge air into the air cylinder (5).
5. The tank truck manhole leakage prevention device according to claim 4, wherein the cylinder (5) is a rod cylinder, a piston rod of the cylinder (5) is fixed to the end of the guide rail groove (4), and a cylinder body of the cylinder (5) serves as the movable part (51).
6. Tank truck manhole leakage prevention device according to claim 5, wherein the cylinder body of the cylinder (5) has a first (54) and a second (55) gas port; when the upper end of the electromagnetic valve (7) is electrified, the first air port (54) is used for air inlet, the second air port (55) is used for air outlet, and the piston rod is contracted; when the lower end of the electromagnetic valve (7) is electrified, the first air port (54) is used for exhausting air, the second air port (55) is used for introducing air, and the piston rod extends out.
7. Leakage prevention method using a manhole leakage prevention device of a tank truck according to any one of claims 1 to 6, wherein in a normal driving state of the tank truck, the electromagnetic valve (7) is not energized and is in a cut-off state, and the manhole baffle (1) is positioned in the first storage bin (2); when the tank truck encounters a overturning danger, the lower end of the electromagnetic valve (7) is in a power-on state, and the manhole baffle (1) is pushed to block the opening of the manhole (200); when the overturning danger is relieved, the upper end of the electromagnetic valve (7) is in a power-on state, the manhole baffle (1) is pulled back, and then the electromagnetic valve (7) is in a cut-off state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910396086.7A CN110127235B (en) | 2019-05-13 | 2019-05-13 | Manhole leakage-proof device and method of tank truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910396086.7A CN110127235B (en) | 2019-05-13 | 2019-05-13 | Manhole leakage-proof device and method of tank truck |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110127235A CN110127235A (en) | 2019-08-16 |
| CN110127235B true CN110127235B (en) | 2020-09-08 |
Family
ID=67573738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910396086.7A Active CN110127235B (en) | 2019-05-13 | 2019-05-13 | Manhole leakage-proof device and method of tank truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110127235B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112389893A (en) * | 2020-11-25 | 2021-02-23 | 湖南祥柏生态环保科技有限公司 | A collection tank for spoil transportation dies of illness |
| CN113320851B (en) * | 2021-04-21 | 2022-07-22 | 浙江伟宙科技有限公司 | Manhole provided with intelligent automatic leakage-proof device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102259738A (en) * | 2011-05-23 | 2011-11-30 | 三一重工股份有限公司 | Powder tank truck and opening/closing control device and method of manhole cover thereof |
| CN206552611U (en) * | 2017-02-15 | 2017-10-13 | 中国石油天然气集团公司 | A kind of cover plate for manhole |
-
2019
- 2019-05-13 CN CN201910396086.7A patent/CN110127235B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102259738A (en) * | 2011-05-23 | 2011-11-30 | 三一重工股份有限公司 | Powder tank truck and opening/closing control device and method of manhole cover thereof |
| CN206552611U (en) * | 2017-02-15 | 2017-10-13 | 中国石油天然气集团公司 | A kind of cover plate for manhole |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110127235A (en) | 2019-08-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110127235B (en) | Manhole leakage-proof device and method of tank truck | |
| CN100408902C (en) | Methods and apparatus for sealing an opening of a processing chamber | |
| KR100347640B1 (en) | Airtightness Inspection System of Tank Exhaust System | |
| US9616744B2 (en) | Vehicle storage system with vapour control | |
| CN107024323A (en) | Leak inspection device and leak test method | |
| CN108152024A (en) | A kind of breather valve roll-over test device | |
| CN1665709A (en) | Breathing device for a brake cylinder | |
| KR890700041A (en) | Filter plate separator of filter press | |
| CN105588686A (en) | Testing device for testing sealing effect of large-aperture ball valve | |
| KR101630360B1 (en) | Bottom valve for tank lorry | |
| CN109027098A (en) | A kind of hydraulic positioning buffer | |
| CN205655963U (en) | Automobile -used cylinder shroud assembly test equipment | |
| CN113514334A (en) | Device for detecting puncture/impact resistance and gas leakage of material under high pressure condition | |
| CN205855990U (en) | The nozzle locking equipment of vehicle | |
| CN109580101A (en) | Leakage tester among engine cylinder body | |
| CN102322413B (en) | Hydraulic oil piston type natural gas sub-station compressor | |
| EP2951067B1 (en) | Lifting cylinder for actuating a magnetic rail brake | |
| CN208710594U (en) | The system of performing pulse vacuum high-temperature steam treatment on medical wastes | |
| CN103201479B (en) | For the air connector of internal-combustion engine | |
| CN102494850B (en) | Fuel tank tightness detecting device | |
| CN101696680B (en) | Reciprocating piston compressor | |
| CN105293109B (en) | A kind of transportation truck laterally turning-over device | |
| CN103097717B (en) | Valve, its manufacture method and there is the hydraulic piston pump of this valve | |
| CN220281682U (en) | Integrated engine oil seal vehicle | |
| CN106762945B (en) | Explosion proof joint component and its elevating ram |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 223005 No. 3 Meicheng Road, Huaian Economic and Technological Development Zone, Jiangsu Province Patentee after: Jiangsu electronic information Vocational College Patentee after: HUAIYIN INSTITUTE OF TECHNOLOGY Address before: 223005 No. 3 Meicheng Road, Huaian Economic and Technological Development Zone, Jiangsu Province Patentee before: Jiangsu vocationnal college of electronics and information Patentee before: HUAIYIN INSTITUTE OF TECHNOLOGY |
|
| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231206 Address after: 230000 floor 1, building 2, phase I, e-commerce Park, Jinggang Road, Shushan Economic Development Zone, Hefei City, Anhui Province Patentee after: Dragon totem Technology (Hefei) Co.,Ltd. Address before: 223005 No. 3 Meicheng Road, Huaian Economic and Technological Development Zone, Jiangsu Province Patentee before: Jiangsu electronic information Vocational College Patentee before: HUAIYIN INSTITUTE OF TECHNOLOGY |
|
| TR01 | Transfer of patent right |