CN109353982B - Crane tube sealing and clamping device with switching function and clamping method - Google Patents
Crane tube sealing and clamping device with switching function and clamping method Download PDFInfo
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- CN109353982B CN109353982B CN201811453042.5A CN201811453042A CN109353982B CN 109353982 B CN109353982 B CN 109353982B CN 201811453042 A CN201811453042 A CN 201811453042A CN 109353982 B CN109353982 B CN 109353982B
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- 238000007789 sealing Methods 0.000 title claims abstract description 99
- 238000000034 method Methods 0.000 title claims description 37
- 230000005540 biological transmission Effects 0.000 claims description 13
- 239000012530 fluid Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/06—Details or accessories
- B67D7/42—Filling nozzles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The device comprises a crane pipe vertical pipe, a sealing mechanism, a pneumatic clamping mechanism and a manual clamping mechanism, wherein the sealing mechanism, the pneumatic clamping mechanism and the manual clamping mechanism are arranged on the crane pipe vertical pipe; the pneumatic clamping mechanism comprises a plurality of hook rods and a double-head cylinder arranged on the vertical tube of the crane tube, one end of each hook rod is connected with one end of a piston rod of the double-head cylinder through a rotating hook connecting rod mechanism, and the other end of each hook rod penetrates through the guide cylinder and is provided with a rotating hook matched with an external container; the manual clamping mechanism comprises a screw rod and a special opening and closing nut matched with the screw rod, and the special opening and closing nut is arranged at the other end of a piston rod of the double-head cylinder. The device is reasonable in design, convenient to operate, can select and switch the sealing mode of the oil filling riser according to actual conditions, effectively avoids the occurrence of unexpected conditions, and greatly improves the sealing reliability.
Description
Technical Field
The invention relates to the technical field of sealing devices of containers, in particular to a crane tube sealing and clamping device with a switching function, and also relates to a clamping method for clamping by using the crane tube sealing and clamping device with the switching function.
Background
The crane pipe is a special equipment in the fluid loading and unloading process in petrochemical industry, also called fluid loading and unloading arm, and adopts a rotary joint to connect with a rigid pipeline and an elbow so as to realize the movable equipment for transferring liquid medium between a train, an automobile tank car and a trestle storage and transportation pipeline.
At present, in the loading and unloading process of the fluid in the loading and unloading pipe, the loading and unloading port is usually sealed by adopting a sealing cap, and some volatile fluid is placed to leak, but the sealing driving of the existing loading and unloading pipe sealing device is single, once unexpected situations occur, the situation of loose sealing is easy to occur, and the sealing device is quite unreliable, for example, the sealing device is most commonly in pneumatic sealing, the loading and unloading port is compressed by driving the sealing cap through an air source, but the situation that after a period of sealing, the air quantity of the air source is insufficient often occurs, the pressure on the sealing cap is not enough, the sealing cap is easy to relax, and the volatile fluid leaks along a gap is caused.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the crane tube sealing and clamping device with the switching function, which has the advantages of reasonable design, convenient use and high sealing reliability.
The invention aims to provide a clamping method for clamping by using the oil filling riser sealing clamping device with the switching function.
The technical problems to be solved by the invention are realized by the following technical proposal. The invention relates to a crane tube sealing and clamping device with a switching function, which comprises a crane tube vertical tube, a sealing mechanism, a pneumatic clamping mechanism and a manual clamping mechanism, wherein the sealing mechanism is arranged on the crane tube vertical tube and comprises a sealing cover body arranged on the crane tube vertical tube, and a plurality of guide cylinders are arranged on the sealing cover body; the pneumatic clamping mechanism comprises a plurality of hook rods and a double-head cylinder arranged on the vertical tube of the crane tube, one end of each hook rod is connected with one end of a piston rod of the double-head cylinder through a rotating hook connecting rod mechanism, and the other end of each hook rod penetrates through the guide cylinder and is provided with a rotating hook matched with an external container; the manual clamping mechanism comprises a screw rod and a special opening and closing nut matched with the screw rod, and the special opening and closing nut is arranged at the other end of a piston rod of the double-head cylinder; the two piston cavities of the double-head cylinder are communicated through an air duct, and a gas-crossing valve for controlling the on-off of the air duct is arranged on the air duct.
The technical problem to be solved by the invention can be further solved by the following technical scheme, for the crane tube sealing and clamping device with the switching function, the special opening and closing nut comprises a nut seat and a nut body which are arranged at the other end of a piston rod of the double-head cylinder, the nut body comprises a concave nut body and a convex nut body, the convex nut body is provided with a convex block, the concave nut body is provided with a groove which is convenient for the convex block to be inserted, and the convex block and the groove are provided with semicircular threaded holes matched with a screw rod.
The technical problem to be solved by the invention can be further solved by the following technical scheme, for the crane tube sealing and clamping device with the switching function, a crankshaft for driving the female nut body and the male nut body to move and match is also arranged on the nut seat, an eccentric wheel is arranged on the crankshaft, and slotted holes matched with the eccentric wheel are arranged on the female nut body and the male nut body.
The technical problem to be solved by the invention can be further solved by the following technical scheme, for the crane tube sealing and clamping device with the switching function, 3 eccentric wheels are sequentially arranged on the crankshaft, the eccentric wheels on two sides are clamped with the slotted holes of the female nut body, and the eccentric wheel in the middle is clamped with the slotted holes of the male nut body.
The technical problem to be solved by the invention can be further solved by the following technical scheme, for the oil filling riser sealing and clamping device with the switching function, the crankshaft is arranged on the nut seat through the bearing, one end of the crankshaft is fixed through the gasket and the cotter pin, the other end of the crankshaft is connected with the operating handle, and the nut seat is also provided with a handle limit matched with the operating handle.
The technical problem to be solved by the invention can be further solved by the following technical scheme, and for the oil filling riser sealing and clamping device with the switching function, a screw bearing seat matched with a screw is further arranged on the cylinder body of the oil filling riser vertical tube or the double-head cylinder.
The technical problem to be solved by the invention can be further solved by the following technical scheme, and for the oil filling riser sealing and clamping device with the switching function, the screw rod is provided with a manual clamping rocking handle which is convenient to operate.
The technical problem to be solved by the invention can be further solved by the following technical scheme, and for the crane tube sealing and clamping device with the switching function, 2-6 hook rods and guide cylinders are arranged and distributed along the circumferential direction of the crane tube vertical tube.
The technical problem to be solved by the invention can be further solved by the following technical scheme, and for the crane tube sealing and clamping device with the switching function, the sealing cover body is of an inverted tower structure formed by 2-5 layers of sealing caps with gradually narrowed calibers from top to bottom.
The technical problem to be solved by the invention can be further solved by the following technical scheme, namely the crane tube sealing and clamping method with the switching function, which is characterized in that the crane tube sealing and clamping device with the switching function is used for clamping the crane tube by one of a pneumatic clamping method, a manual clamping method or a pneumatic and manual simultaneous clamping method:
(1) Pneumatic clamping method: firstly, a crane pipe vertical pipe is inserted into an external container along an inlet of the external container, a sealing cover body is enabled to press the external container from the outside of the inlet of the external container, a rotating hook is rotated, then a gas stringing valve is closed, two piston cavities of a double-end cylinder are not communicated, then a special opening and closing nut is operated, the special opening and closing nut is not in transmission connection with a screw rod, finally an external high-pressure gas source is opened to supply gas to the double-end cylinder, a piston rod of the double-end cylinder drives a hook rod to pull the rotating hook outwards, and the rotating hook is matched with the inside and outside of the sealing cover body to clamp the inlet of the external container;
(2) Manual clamping method: firstly, a crane pipe vertical pipe is inserted into an outer container along an inlet of the outer container, a sealing cover body is enabled to press the outer container from the outside of the inlet of the outer container, a rotating hook is rotated, then a gas stringing valve is opened, two piston cavities of a double-head cylinder are communicated, then a special opening and closing nut is operated, the special opening and closing nut is in transmission connection with a lead screw, and finally the lead screw is rotated, so that the lead screw drives a hook rod to pull the rotating hook outwards through a piston rod of the double-head cylinder, and the rotating hook is matched with the inside and outside of the sealing cover body to clamp the inlet of the outer container;
(3) Pneumatic and manual simultaneous clamping method: firstly, inserting a crane pipe vertical pipe into an outer container along an inlet of the outer container, enabling a sealing cover body to press the outer container from the outside of the inlet of the outer container, rotating a rotating hook, then closing a gas stringing valve, enabling two piston cavities of a double-end cylinder not to be communicated, then operating a special opening and closing nut, enabling the special opening and closing nut to be in non-transmission connection with a screw rod, finally opening an external high-pressure gas source to supply gas to the double-end cylinder, enabling a piston rod of the double-end cylinder to drive a hook rod to pull the rotating hook outwards, and enabling the rotating hook to be matched with the inside and outside of the sealing cover body to clamp the inlet of the outer container; and secondly, on the basis of the first operation, operating the special opening and closing nut to enable the special opening and closing nut to be in transmission connection with the screw rod, and finally rotating the screw rod to enable the screw rod to drive the hook rod to pull the rotating hook outwards through the piston rod of the double-head cylinder, so that the pulling force of the rotating hook is further increased, and the rotating hook is matched with the inside and outside of the sealing cover body to further clamp the inlet of the external container.
Compared with the prior art, the sealing device is matched with the sealing mechanism through the pneumatic clamping mechanism and/or the manual clamping mechanism, after the sealing cover body is pressed to the inlet of the external container, the rotary hook and the external fitting in the sealing cover body can be driven by the pneumatic clamping mechanism and/or the manual clamping mechanism to clamp and seal the inlet of the external container, so that the condition that the sealing power is insufficient in certain sealing driving is effectively avoided, the sealing reliability is greatly improved, and the sealing effect is ensured. The device is reasonable in design, convenient to operate, can select and switch the sealing mode of the oil filling riser according to actual conditions, effectively avoids the occurrence of unexpected conditions, and greatly improves the sealing reliability.
Drawings
FIG. 1 is a schematic diagram of a structure of the present invention;
FIG. 2 is a schematic view of the opening state of the special nut;
FIG. 3 is a schematic view of the closing state of the special split nut of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to figures 1-3, a crane tube sealing and clamping device with a switching function comprises a crane tube vertical tube 1, and a sealing mechanism, a pneumatic clamping mechanism and a manual clamping mechanism which are arranged on the crane tube vertical tube 1, wherein the sealing mechanism comprises a sealing cover body 2 arranged on the crane tube vertical tube 1, and a plurality of guide cylinders are arranged on the sealing cover body 2; the pneumatic clamping mechanism comprises a plurality of hook rods 3 and a double-head cylinder 6 arranged on the crane pipe vertical pipe 1, one end of each hook rod 3 is connected with one end of a piston rod 7 of the double-head cylinder 6 through a rotating hook 4 connecting rod mechanism 5, and the other end of each hook rod 3 penetrates through the guide cylinder and is provided with a rotating hook 4 matched with an external container; the manual clamping mechanism comprises a screw rod 8 and a special opening and closing nut matched with the screw rod 8, and the special opening and closing nut is arranged at the other end of a piston rod 7 of the double-head cylinder 6; the two piston cavities of the double-head cylinder 6 are communicated through an air duct, and an air-crossing valve 10 for controlling the on-off of the air duct is arranged on the air duct. The rotating hook connecting rod mechanism 5 can be a rotary joint; the sealing cover body 2 is used for clamping the inlet of the container by being matched with the inside and outside of the rotating hook 4 after the crane pipe vertical pipe 1 is inserted into the inlet of the container, so that the tightness is ensured, and the fluid loading and unloading are convenient; the double-head cylinder 6 comprises a cylinder body, a piston cavity is arranged in the cylinder body, a piston rod 7 penetrates through the piston cavity, a partition plate is arranged in the middle of the cylinder body, the piston cavity is divided into 2 sub-piston cavities, and the piston rod 7 moves left and right by respectively inflating the 2 sub-piston cavities; the two sub-piston cavities are externally connected with a high-pressure air source, one end of a piston rod 7 of the double-head cylinder 6 is connected with the hook rod 3, after the high-pressure air source is connected, the piston rod 7 pulls the hook rod 3 outwards to drive the rotating hook 4 and the crane pipe vertical pipe 1 to move relatively, so that the inlet of the container is clamped by being matched with the sealing cover body 2, and pneumatic clamping operation is realized; if the external high-pressure air source is insufficient, or no high-pressure air source is available, the air-stringing valve 10 is opened, so that the 2 sub-piston cavities are communicated, internal pressure is avoided, then the screw rod 8 is rotated, the hook rod 3 is pulled outwards through the piston rod 7, the rotating hook 4 and the crane tube 1 are driven to move relatively, and accordingly the inlet of the container is clamped by being matched with the sealing cover body 2, and manual clamping operation is realized.
The special opening and closing nut comprises a nut seat 12 and a nut body which are arranged at the other end of a piston rod 7 of the double-head cylinder 6, the nut body comprises a female nut body 13 and a male nut body 14, a convex block is arranged on the male nut body 14, a groove which is convenient for the convex block to be inserted is arranged on the female nut body 13, and semicircular threaded holes 18 which are matched with the screw rod 8 are arranged on the convex block and the groove; the nut seat 12 is also provided with a crankshaft 15 for driving the female nut body 13 and the male nut body 14 to move and match, the crankshaft 15 is provided with an eccentric wheel 19, and the female nut body 13 and the male nut body 14 are provided with slotted holes matched with the eccentric wheel 19. The nut seat 12 is provided with a dovetail groove for the relative movement of the female nut body 13 and the male nut body 14, and an eccentric wheel 19 matched with the female nut body 13 on the crankshaft 15 and an eccentric wheel 19 matched with the male nut body 14 on the crankshaft 15 are opposite in direction, so that when the crankshaft 15 rotates, the female nut body 13 and the male nut body 14 can relatively move or mutually approach through the cooperation of the eccentric wheel 19 and a slotted hole, 2 semicircular threaded holes 18 are combined to form a complete threaded hole and are in transmission connection with the screw rod 8, or mutually far away from each other, and the 2 semicircular threaded holes 18 are separated and disconnected from the screw rod 8.
The crankshaft 15 is sequentially provided with 3 eccentric wheels 19, the eccentric wheels 19 on two sides are clamped with the slotted holes of the female nut body 13, and the eccentric wheel 19 in the middle is clamped with the slotted holes of the male nut body 14.
The crankshaft 15 is mounted on the nut seat 12 through a bearing, one end of the crankshaft 15 is fixed through a washer 17 and a cotter pin 16, the other end of the crankshaft 15 is connected with an operating handle 20, and a handle limit 21 matched with the operating handle 20 is further mounted on the nut seat 12. The crankshaft 15 can rotate relative to the nut seat 12, and an opening for inserting the cotter pin 16 is arranged at one end of the crankshaft 15; the operating handle 20 is vertically and fixedly connected with the crankshaft 15, so that the crankshaft 15 can be conveniently rotated by the operating handle 20; the handle limiting blocks 21 comprise 2 limiting blocks which are respectively and vertically arranged on the nut seat 12 and are respectively used for limiting the operating handle 20 after the crankshaft 15 rotates in place so as to prevent the crankshaft 15 from continuing to rotate.
And a screw bearing seat 9 matched with the screw rod 8 is further arranged on the crane pipe vertical pipe 1 or the cylinder body of the double-head cylinder 6, so that the screw rod 8 can be conveniently rotated and oriented, and the screw rod 8 is prevented from deviating.
The screw rod 8 is provided with a manual clamping rocking handle 11 which is convenient to operate. The manual clamping rocking handle 11 is vertically and fixedly connected with the end part of the screw rod 8, so that the screw rod 8 is rotated by the manual clamping rocking handle 11 to pull or push the piston rod 7 of the double-head cylinder 6.
The number of the hook rods 3 and the guide cylinders is 2-6, and the hook rods and the guide cylinders are distributed along the circumferential direction of the crane pipe vertical pipe 1. By adjusting the number of the hook rods 3 and the guide cylinders, the sealing effect of the sealing device can be improved.
The sealing cover body 2 is of an inverted tower structure formed by 2-5 layers of sealing caps with gradually narrowed apertures from top to bottom, and in practice, the number of layers of the sealing caps on the sealing cover body 2 can be designed according to different specifications of the container as required, so that better sealing is facilitated, and the operability is strong.
A sealing and clamping method for a crane tube with a switching function comprises the steps of selecting any one of a pneumatic clamping method, a manual clamping method or a pneumatic and manual simultaneous clamping method to seal and clamp the crane tube:
(1) Pneumatic clamping method: firstly, a crane pipe vertical pipe is inserted into an external container along an inlet of the external container, a sealing cover body is enabled to press the external container from the outside of the inlet of the external container, a rotating hook is rotated, then a gas stringing valve is closed, two piston cavities of a double-end cylinder are not communicated, then a special opening and closing nut is operated, the special opening and closing nut is not in transmission connection with a screw rod, finally an external high-pressure gas source is opened to supply gas to the double-end cylinder, a piston rod of the double-end cylinder drives a hook rod to pull the rotating hook outwards, and the rotating hook is matched with the inside and outside of the sealing cover body to clamp the inlet of the external container;
(2) Manual clamping method: firstly, a crane pipe vertical pipe is inserted into an outer container along an inlet of the outer container, a sealing cover body is enabled to press the outer container from the outside of the inlet of the outer container, a rotating hook is rotated, then a gas stringing valve is opened, two piston cavities of a double-head cylinder are communicated, then a special opening and closing nut is operated, the special opening and closing nut is in transmission connection with a lead screw, and finally the lead screw is rotated, so that the lead screw drives a hook rod to pull the rotating hook outwards through a piston rod of the double-head cylinder, and the rotating hook is matched with the inside and outside of the sealing cover body to clamp the inlet of the outer container;
(3) Pneumatic and manual simultaneous clamping method: firstly, inserting a crane pipe vertical pipe into an outer container along an inlet of the outer container, enabling a sealing cover body to press the outer container from the outside of the inlet of the outer container, rotating a rotating hook, then closing a gas stringing valve, enabling two piston cavities of a double-end cylinder not to be communicated, then operating a special opening and closing nut, enabling the special opening and closing nut to be in non-transmission connection with a screw rod, finally opening an external high-pressure gas source to supply gas to the double-end cylinder, enabling a piston rod of the double-end cylinder to drive a hook rod to pull the rotating hook outwards, and enabling the rotating hook to be matched with the inside and outside of the sealing cover body to clamp the inlet of the outer container; and secondly, on the basis of the first operation, operating the special opening and closing nut to enable the special opening and closing nut to be in transmission connection with the screw rod, and finally rotating the screw rod to enable the screw rod to drive the hook rod to pull the rotating hook outwards through the piston rod of the double-head cylinder, so that the pulling force of the rotating hook is further increased, and the rotating hook is matched with the inside and outside of the sealing cover body to further clamp the inlet of the external container.
Claims (5)
1. A sealing and clamping method of a loading arm with a switching function is characterized by comprising the following steps of: the method uses a crane tube sealing and clamping device with a switching function, the device comprises a crane tube vertical tube, a sealing mechanism, a pneumatic clamping mechanism and a manual clamping mechanism, wherein the sealing mechanism is arranged on the crane tube vertical tube and comprises a sealing cover body arranged on the crane tube vertical tube, and a plurality of guide cylinders are arranged on the sealing cover body; the pneumatic clamping mechanism comprises a plurality of hook rods and a double-head cylinder arranged on the vertical tube of the crane tube, one end of each hook rod is connected with one end of a piston rod of the double-head cylinder, and the other end of each hook rod penetrates through the guide cylinder and is provided with a rotating hook matched with the external container; the manual clamping mechanism comprises a screw rod and a special opening and closing nut matched with the screw rod, and the special opening and closing nut is arranged at the other end of a piston rod of the double-head cylinder; the two piston cavities of the double-head cylinder are communicated through an air duct, and an air-crossing valve for controlling the on-off of the air duct is arranged on the air duct;
The special opening and closing nut comprises a nut seat and a nut body which are arranged at the other end of a piston rod of the double-head cylinder, the nut body comprises a concave nut body and a convex nut body, a convex block is arranged on the convex nut body, a groove which is convenient for the convex block to be inserted is arranged on the concave nut body, and semicircular threaded holes matched with the screw rod are arranged on the convex block and the groove;
the nut seat is also provided with a crankshaft for driving the female nut body and the male nut body to move and match, the crankshaft is provided with an eccentric wheel, and the female nut body and the male nut body are provided with slotted holes matched with the eccentric wheel;
The crankshaft is sequentially provided with 3 eccentric wheels, the eccentric wheels on two sides are clamped with the slotted holes of the female nut body, and the eccentric wheel in the middle is clamped with the slotted holes of the male nut body;
The crankshaft is mounted on the nut seat through a bearing, one end of the crankshaft is fixed through a gasket and a cotter pin, the other end of the crankshaft is connected with an operating handle, and a handle limit matched with the operating handle is further mounted on the nut seat;
The method selects one of a pneumatic clamping method, a manual clamping method or a pneumatic and manual simultaneous clamping method to clamp the oil filling riser:
(1) Pneumatic clamping method: firstly, a crane pipe vertical pipe is inserted into an external container along an inlet of the external container, a sealing cover body is enabled to press the external container from the outside of the inlet of the external container, a rotating hook is rotated, then a gas stringing valve is closed, two piston cavities of a double-end cylinder are not communicated, then a special opening and closing nut is operated, the special opening and closing nut is not in transmission connection with a screw rod, finally an external high-pressure gas source is opened to supply gas to the double-end cylinder, a piston rod of the double-end cylinder drives a hook rod to pull the rotating hook outwards, and the rotating hook is matched with the inside and outside of the sealing cover body to clamp the inlet of the external container;
(2) Manual clamping method: firstly, a crane pipe vertical pipe is inserted into an outer container along an inlet of the outer container, a sealing cover body is enabled to press the outer container from the outside of the inlet of the outer container, a rotating hook is rotated, then a gas stringing valve is opened, two piston cavities of a double-head cylinder are communicated, then a special opening and closing nut is operated, the special opening and closing nut is in transmission connection with a lead screw, and finally the lead screw is rotated, so that the lead screw drives a hook rod to pull the rotating hook outwards through a piston rod of the double-head cylinder, and the rotating hook is matched with the inside and outside of the sealing cover body to clamp the inlet of the outer container;
(3) Pneumatic and manual simultaneous clamping method: firstly, inserting a crane pipe vertical pipe into an outer container along an inlet of the outer container, enabling a sealing cover body to press the outer container from the outside of the inlet of the outer container, rotating a rotating hook, then closing a gas stringing valve, enabling two piston cavities of a double-end cylinder not to be communicated, then operating a special opening and closing nut, enabling the special opening and closing nut to be in non-transmission connection with a screw rod, finally opening an external high-pressure gas source to supply gas to the double-end cylinder, enabling a piston rod of the double-end cylinder to drive a hook rod to pull the rotating hook outwards, and enabling the rotating hook to be matched with the inside and outside of the sealing cover body to clamp the inlet of the outer container; and secondly, on the basis of the first operation, operating the special opening and closing nut to enable the special opening and closing nut to be in transmission connection with the screw rod, and finally rotating the screw rod to enable the screw rod to drive the hook rod to pull the rotating hook outwards through the piston rod of the double-head cylinder, so that the pulling force of the rotating hook is further increased, and the rotating hook is matched with the inside and outside of the sealing cover body to further clamp the inlet of the external container.
2. The method for sealing and clamping the oil filling riser with the switching function according to claim 1, wherein the method comprises the following steps: and a screw bearing seat matched with the screw is also arranged on the vertical tube of the crane tube or the cylinder body of the double-head cylinder.
3. The method for sealing and clamping the oil filling riser with the switching function according to claim 1, wherein the method comprises the following steps: and a manual clamping rocking handle convenient to operate is arranged on the lead screw.
4. The method for sealing and clamping the oil filling riser with the switching function according to claim 1, wherein the method comprises the following steps: the number of the hook rods and the guide cylinders is 2-6, and the hook rods and the guide cylinders are distributed along the circumferential direction of the vertical tubes of the oil filling riser.
5. The method for sealing and clamping the oil filling riser with the switching function according to claim 1, wherein the method comprises the following steps: the sealing cover body is of an inverted tower structure formed by 2-5 layers of sealing caps with gradually narrowed calibers from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811453042.5A CN109353982B (en) | 2018-11-30 | 2018-11-30 | Crane tube sealing and clamping device with switching function and clamping method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811453042.5A CN109353982B (en) | 2018-11-30 | 2018-11-30 | Crane tube sealing and clamping device with switching function and clamping method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109353982A CN109353982A (en) | 2019-02-19 |
| CN109353982B true CN109353982B (en) | 2024-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811453042.5A Active CN109353982B (en) | 2018-11-30 | 2018-11-30 | Crane tube sealing and clamping device with switching function and clamping method |
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| CN106439186A (en) * | 2016-12-19 | 2017-02-22 | 天津精通控制仪表技术有限公司 | Cam opening and closing type hand-operating mechanism and implementation method |
| CN206050598U (en) * | 2016-08-10 | 2017-03-29 | 连云港佳普石化机械有限公司 | For the jack catchs type sealing device of tank car closed loading |
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| CN207034349U (en) * | 2017-04-28 | 2018-02-23 | 雷会琴 | A kind of gas pipeline special pneumatic gate valve |
| CN207451574U (en) * | 2017-11-15 | 2018-06-05 | 连云港华泰石油化工机械有限公司 | A kind of synchronous screw clamping sealing device for liquid handling arm |
| CN207738445U (en) * | 2018-01-05 | 2018-08-17 | 青岛诺诚化学品安全科技有限公司 | Oil filling riser pressed sealing device is filled on a kind of oil truck |
| CN209259671U (en) * | 2018-11-30 | 2019-08-16 | 连云港华泰石油化工机械有限公司 | Oil filling riser sealing clamp with handoff functionality |
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| CN207451574U (en) * | 2017-11-15 | 2018-06-05 | 连云港华泰石油化工机械有限公司 | A kind of synchronous screw clamping sealing device for liquid handling arm |
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