CN-117963824-B - Crane tube sealing cap locking mechanism

CN117963824BCN 117963824 BCN117963824 BCN 117963824BCN-117963824-B

Abstract

The invention relates to the technical field of oil filling riser, and discloses a locking mechanism of a sealing cap of an oil filling riser, which comprises a polishing pipe, a vertical pipe and a sealing cover, wherein the polishing pipe and the vertical pipe are connected through bolts, the sealing cover is sleeved on the vertical pipe, a support plate is fixedly arranged on the wall part of the vertical pipe, a first guide pillar is vertically and fixedly arranged on the top of the sealing cover, two guide pillars are arranged in parallel, the top of the first guide pillar penetrates through the support plate and is provided with an external step, a first spring is sleeved on the first guide pillar, one end of the first spring is contacted with the bottom of the support plate, the other end of the first spring is contacted with the top of the sealing cover, the sealing cover is a circular ring shell, a containing groove is formed in the inner ring surface of the bottom of the sealing cover, a sealing ring is arranged at the bottom center of the sealing cover, the vertical pipe moves downwards and enables the lower section of the vertical pipe to extend into a target tank opening, then the sealing ring contacts and seals the target tank opening, and when the vertical pipe moves downwards to drive a jack catch to deflect, the jack catch is in a way, and the jack catch is abutted against the edge of the target tank opening, thereby locking the target tank opening.

Inventors

Liang Jixu
TIAN LIN
CHEN YU
CHEN KAI
ZHANG ZENGLONG
ZHOU TAO

Assignees

连云港远洋流体装卸设备有限公司

Dates

Publication Date: 20260508
Application Date: 20240314

Claims (5)

1. A locking mechanism for a sealing cap of a crane tube, comprising: The polishing device comprises a polishing pipe, a vertical pipe and a sealing cover, wherein the polishing pipe and the vertical pipe are connected through bolts, the sealing cover is sleeved on the vertical pipe, a support plate is fixedly arranged on the wall part of the vertical pipe, a first guide pillar is vertically and fixedly arranged at the top of the sealing cover, two guide pillars are arranged in parallel, the top of the first guide pillar penetrates through the support plate and is provided with an external step, a first spring is sleeved on the first guide pillar, one end of the first spring is contacted with the bottom of the support plate, the other end of the first spring is contacted with the top of the sealing cover, the sealing cover is a circular ring shell, an accommodating groove is formed in the inner ring surface of the bottom of the sealing cover, a sealing ring is arranged at the center of the bottom of the sealing cover, a connecting column is vertically arranged at the bottom of the accommodating groove of the sealing cover, a connecting column is sleeved in the connecting sleeve in a matching manner, a second spring is sleeved on the connecting column, one end of the second spring is connected with the top of the sealing ring, the other end of the second spring is connected with the accommodating groove bottom, and a locking mechanism is arranged in the sealing cover and is positioned at the bottom of the sealing cover; The locking mechanism is provided with a plurality of groups and uniformly surrounds the bottom of the sealing cover, the locking mechanism comprises a supporting rod, a connecting rod, a mounting plate and a locking assembly, an avoidance opening is formed in the inner annular surface of the sealing cover, one end of the supporting rod is fixedly connected with the wall part of the vertical pipe, the other end of the supporting rod penetrates through the avoidance opening in the inner annular surface of the sealing cover and horizontally extends, the connecting rod is vertically and fixedly connected with the end part of the supporting rod, the bottom of the connecting rod is connected with a rack, the mounting plate is fixed on the inner wall part of the outer annular surface of the sealing cover, the locking assembly is mounted on the mounting plate, and the locking assembly is in transmission fit with the connecting rod; The locking assembly comprises a worm, a gear, a worm wheel and a claw, wherein the worm is rotatably arranged on one side of the mounting plate, the gear is coaxially and fixedly sleeved at the end part of the worm, the gear is meshed with the rack, the worm wheel is rotatably arranged on the wall part of the mounting plate, the worm wheel is meshed with the worm, the claw is rotatably arranged on the wall part of the mounting plate, the circumferential end part of the claw is coaxially connected with the worm wheel, the bottom of the sealing cover is provided with an avoidance groove, and the end part of the claw penetrates through the avoidance groove at the bottom of the sealing cover.
2. The crane tube sealing cap locking mechanism according to claim 1, wherein the sealing ring is a circular ring shell, an exhaust assembly is arranged in the sealing cover, the exhaust assembly comprises a bearing plate, an air reservoir, a piston, a jack post and a communicating pipe, the bearing plate is fixed in the sealing cover, the air reservoir is of a cylindrical structure with a closed top and an open bottom, the piston is matched in the air reservoir, the top of the jack post is fixedly connected with the bottom of the piston, the bottom of the jack post penetrates through the bearing plate and the bottom of the sealing cover, a spring III is sleeved on the jack post, one end of the spring III is in contact with the bottom of the bearing plate, the other end of the spring III is in contact with the bottom of the sealing cover, and the top of the air reservoir is communicated with the sealing ring through the communicating pipe.
3. The locking mechanism of the sealing cap of the oil filling riser according to claim 2, wherein the exhaust holes are formed in the circumferential direction of the bottom of the sealing ring, and the exhaust holes are formed in the circumference of the sealing ring.
4. The oil filling riser sealing cap locking mechanism according to claim 1, wherein the knocking component is arranged at the side wall of the mounting plate and comprises a pushing plate, a knocking rod, a triggering rod and an elastic telescopic rod, the pushing plate is arranged on one side of the end portion of the mounting plate, the pushing plate is connected with the side wall of the mounting plate through the elastic telescopic rod, one end of the knocking rod is fixedly connected with the pushing plate, the other end of the knocking rod is close to the wall portion of the vertical pipe, protruding blocks are fixedly arranged on the wall portion of the connecting rod, the protruding blocks are arranged in a plurality of and evenly spaced mode, the triggering rod is horizontally and fixedly connected to the top of the pushing plate, and the triggering rod is close to the connecting rod and is located between two adjacent protruding blocks.
5. The arm seal cap locking mechanism of claim 2 wherein the sealing ring is a rubber ring.

Description

Crane tube sealing cap locking mechanism Technical Field The invention relates to the technical field of oil filling riser, in particular to a locking mechanism of a sealing cap of an oil filling riser. Background The locking device for loading oil products in the prior art is formed by combining an inner arm elbow of a loading arm, a locking rod, a guide sleeve, a locking wrench and an outer arm of the loading arm. When the sealing cover is used, the sealing cover is placed on the tank opening of the train, an operator moves to the joint of the inner arm and the outer arm of the crane pipe, pulls the outer arm and rotates the locking wrench, and the sealing cover is indirectly locked through the crane pipe, the rotary joint and the outer arm. The locking device is complex in operation, intermittent in operation and poor in sealing effect, so that leakage of a small amount of volatile, inflammable and explosive oil products and other chemicals cannot be completely controlled, atmosphere pollution is caused or fire explosion hidden danger is brought, and therefore, a crane tube sealing cap locking mechanism is needed. Disclosure of Invention In order to solve the defects in the prior art, the invention aims to provide a locking mechanism of a sealing cap of a loading arm. In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows. A locking mechanism for a sealing cap of a crane tube, comprising: The polishing pipe, the vertical pipe, the sealed cowling, the polishing pipe, the vertical pipe passes through bolted connection, the sealed cowling cover is located on the vertical pipe, the wall portion of vertical pipe is fixed and is provided with the extension pole one, the vertical fixedly provided with guide pillar one in top of sealed cowling, guide pillar one is provided with two and is parallel arrangement, the top of guide pillar one passes the extension board and is provided with external step, the cover is equipped with spring one on the guide pillar one, the one end of spring one contacts with the bottom of extension board, the other end of spring one contacts with the top of sealed cowling, the sealed cowling is the ring casing, the storage tank has been seted up on the inner ring face of the bottom of sealed cowling, the bottom center department of sealed cowling is provided with the sealing ring, the sealing ring is in the storage tank bottom of sealed cowling, the top of sealing ring is vertical to be provided with the adapter sleeve, the adapter sleeve is matchd to the adapter sleeve, the cover is equipped with spring two on the adapter sleeve, the one end of spring is connected with the top of sealing ring, the other end and the storage tank bottom of spring is connected, be provided with locking mechanism in the sealed cowling, the bottom of sealed cowling is in the sealed cowling. As a further improvement of the technical scheme, the locking mechanism is provided with a plurality of groups and uniformly surrounds the bottom of the sealing cover, the locking mechanism comprises a supporting rod, a connecting rod, a mounting plate and a locking assembly, an avoidance opening is formed in the inner annular surface of the sealing cover, one end of the supporting rod is fixedly connected with the wall part of the vertical pipe, the other end of the supporting rod penetrates through the avoidance opening on the inner annular surface of the sealing cover to horizontally extend, the connecting rod is vertically and fixedly connected with the end part of the supporting rod, the bottom of the connecting rod is connected with a rack, the mounting plate is fixed on the inner wall of the outer annular surface of the sealing cover, the locking assembly is mounted on the mounting plate, and the locking assembly is in transmission fit with the connecting rod. As a further improvement of this technical scheme, locking assembly includes worm, gear, worm wheel, jack catch, and the worm rotates and installs in one side of mounting panel, and the tip of worm is located to the coaxial fixed cover of gear, and gear and rack engagement, worm wheel rotate and install in the wall portion of mounting panel, and worm wheel and worm engagement, jack catch rotate and install in the wall portion of mounting panel, and the circumference tip and the worm wheel coaxial coupling of jack catch are arranged, and dodge the groove has been seted up to the bottom of sealed cowling, and the tip of jack catch passes the dodge the groove of sealed cowling bottom. As a further improvement of the technical scheme, the sealing ring is a ring shell, the sealing cover is internally provided with an exhaust assembly, the exhaust assembly comprises a bearing plate, an air reservoir, a piston, a jack post and a communicating pipe, the bearing plate is fixed in the sealing cover, the air reservoir is of a cylinder structure with a closed top and an open bottom, the piston is matched in the air reservo