CN114955972B - Telescopic vertical pipe with cross rod structure - Google Patents

Telescopic vertical pipe with cross rod structure Download PDF

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Publication number
CN114955972B
CN114955972B CN202210835124.6A CN202210835124A CN114955972B CN 114955972 B CN114955972 B CN 114955972B CN 202210835124 A CN202210835124 A CN 202210835124A CN 114955972 B CN114955972 B CN 114955972B
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CN
China
Prior art keywords
flange
movable
guide
sleeve
scissor
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CN202210835124.6A
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CN114955972A (en
Inventor
赵华苏
陈普宽
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Lianyungang Tianbang Technology Development Co ltd
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Lianyungang Tianbang Technology Development Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B67OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67DDISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/06Details or accessories
    • B67D7/42Filling nozzles

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Load-Engaging Elements For Cranes (AREA)

Abstract

The invention discloses a telescopic vertical pipe with a cross rod structure, which belongs to the technical field of fluid conveying equipment and comprises a first flange, a bent pipe, a second flange, a third flange, an inner sleeve and an outer sleeve, wherein the first flange is connected with the bent pipe, the lower part of the bent pipe is connected with the second flange, the upper part of the outer sleeve is connected with the third flange, a sealing gasket is arranged between the second flange and the third flange and used for ensuring the sealing between the flanges, a baffle ring is arranged at the lower part of the outer sleeve, a supporting guide ring is arranged at the outer ring of the inner sleeve and used for blocking the supporting guide ring, a shunt opening is arranged at the lower part of the inner sleeve and used for flowing out liquid, a movable connecting seat is arranged at the middle position of the lower part of the inner sleeve and used for connecting a scissor rod lifting mechanism, and a driving mechanism is connected with the scissor rod lifting mechanism, and the lower part of the scissor rod lifting mechanism is connected with the connecting seat through the third connecting shaft. Solves the technical problems of easy damage and environmental pollution of the prior equipment and is mainly applied to liquid medium loading.

Description

Telescopic vertical pipe with cross rod structure
Technical Field
The invention belongs to the technical field of fluid conveying equipment, relates to a telescopic vertical tube for a fluid loading and unloading arm, and mainly relates to a telescopic vertical tube with a cross rod structure.
Background
The vertical pipe is a component at the tail end of the fluid loading arm, is also a main component for connecting the loading arm with the tank opening of the tank wagon, is called as a vertical pipe because the vertical pipe is in a vertical ground state during operation, is of a medium through structure and can flow medium, and is divided into a single-layer fixed vertical pipe and a multi-section telescopic vertical pipe according to the characteristics of the medium to be conveyed.
The telescopic vertical tube is generally used for the medium conveying occasions which are inflammable and explosive and have the requirement of submerged loading. The telescopic vertical pipe adopted in the current industry basically adopts a tension spring or a traction plumb to control the telescopic vertical pipe to automatically stretch, namely when a medium impacts the inner sleeve of the vertical pipe, the inner sleeve automatically stretches out of the outer sleeve, and meanwhile, the tension spring in the vertical pipe is stretched or the plumb is lifted. When the medium stops impacting the inner sleeve of the drop tube, the inner sleeve automatically retracts into the outer sleeve under the action of spring return tension or plumb weight.
Since the extension stroke of the telescopic boom is typically between 1 meter and 1.5 meters, this requires that the internal extension spring or the traction plumb also generates a corresponding stroke, and the instantaneous impact force of the medium at the start of the transport is often large. For extension spring type telescopic hanging pipes, the conditions can lead to the phenomena that the extension spring is too fast to generate fatigue, and fracture occurs or the original length cannot be recovered. For the plumb type telescopic vertical pipe, the abrasion of the traction rope is increased under the conditions, so that the phenomenon of breakage or winding occurs, and lead is a harmful heavy metal, so that the environment is easily polluted, and the quality of a medium is affected. That is to say, the service life of the telescopic vertical tube with the existing structure is generally not high, but the failure rate is very high.
In addition, the telescopic vertical tube of the existing structure cannot judge whether the inner sleeve of the vertical tube extends completely or not from the outside when in operation, and whether the liquid phase loading requirement is met or not.
The current telescopic hanging pipe has the following structures, namely a hand-operated telescopic hanging pipe, a motor-driven lifting telescopic hanging pipe and a cylinder-type telescopic hanging pipe, and the hand-operated telescopic hanging pipe has the following defects: the expansion efficiency is low, and the failure rate is high; the motor-driven lifting telescopic hanging pipe has the following defects: high cost, complex structure, heavy weight and power on requirement; the telescopic vertical tube with the cylinder structure has the following defects: the large-stroke cylinder has high cost, heavy weight and needs to supply air.
Disclosure of Invention
In order to solve the technical problems in the background technology, the invention provides a telescopic vertical tube with a cross rod structure, which adopts the following technical scheme:
the utility model provides a telescopic vertical tube of cross rod structure, includes flange one, return bend, flange two, flange three, interior sleeve pipe and outer tube, flange one be connected with the return bend, the lower part and the flange two phase connection of return bend, outer tube upper portion and flange three phase connection, flange two and flange three between be equipped with sealing gasket, sealing gasket is used for guaranteeing the seal between the flange, the lower part of outer tube be equipped with the baffle ring, interior sheathed tube outer lane be equipped with and support the guide ring, the baffle ring is used for blocking and supports the guide ring, interior sheathed tube lower part seted up the shunt opening, the shunt opening is used for the liquid outflow, interior sheathed tube lower part intermediate position be equipped with the swing joint seat, the swing joint seat is used for connecting scissors pole elevating system.
The driving mechanism is connected with the scissor rod lifting mechanism, and the lower part of the scissor rod lifting mechanism is connected with the connecting seat through the connecting shaft III.
One of the core components of the invention is a scissor rod lifting mechanism, which comprises a hanging frame, an adjusting guide sleeve, a movable guide post, an elastic component, a propping piece, a guide rod, a scissor-shaped lifting component and a connecting rod;
the suspension bracket is fixedly connected with the adjusting guide sleeve, the suspension bracket is fixed on the upper part of the outer sleeve so as to ensure that the upper part of the cutter bar lifting mechanism is fixed, the supporting piece is fixedly connected with the lower part of the guide rod and is used for contacting with the supporting piece to transfer acting force, the movable guide pillar is movably connected with the lower part of the adjusting guide sleeve, the movable guide pillar moves upwards or downwards in the adjusting guide sleeve under the action of external force, the upper part of the movable guide pillar is provided with the elastic component which can be a spring, and the elastic component is also arranged in the adjusting guide sleeve, and the upper part of the elastic component is contacted with the supporting piece and is used for transferring acting force between the two components;
the lower part of the movable guide pillar is connected with a scissor-shaped lifting component, the scissor-shaped lifting component comprises a group of X-shaped connecting pieces, the X-shaped connecting pieces comprise two movable rods, the middle positions of the two movable rods are movably connected through movable rotating shafts, each two X-shaped connecting pieces are movably connected through the movable rotating shafts to form the scissor-shaped lifting component, the upper part of the scissor-shaped lifting component is connected with the lower part of the movable guide pillar through a first connecting shaft, the lower part of the scissor-shaped lifting component is connected with the upper part of a connecting rod through a second connecting shaft, the lower part of the connecting rod is connected with a connecting seat through a third connecting shaft, the middle position of the upper part of the scissor-shaped lifting component is provided with a third fixed rotating shaft, and the third fixed rotating shaft is arranged at a fixed position on the outer sleeve.
The driving mechanism is also one of the core components of the invention, and comprises a rotating shaft connecting piece and a guide sleeve, wherein a fixed latch hook is arranged on the guide sleeve, a guide rod is arranged in the guide sleeve, the guide rod can move up and down freely in the guide sleeve, a sealing ring and a supporting ring are sequentially arranged at the middle connecting part of the guide rod and the guide sleeve from top to bottom, the sealing ring is used for guaranteeing the sealing between contact surfaces, the rotating shaft connecting piece is connected with the front part of a handle assembly through a rotating shaft, an arc-shaped guide groove is arranged at the front part of the handle assembly, a pin shaft is arranged at the upper part of the guide rod, pulleys are arranged at two ends of the pin shaft, the pulleys move left and right in the arc-shaped guide groove, a movable latch hook accommodating groove is arranged at the middle position of the handle assembly, a movable latch hook is movably connected with the movable latch hook through a fixed rotating shaft, a torsion spring accommodating groove is arranged at the upper part of the movable latch hook, and a torsion spring is arranged in the torsion spring accommodating groove and used for moving and resetting the movable latch hook.
Preferably: in order to prevent the inner sleeve from colliding with the tank bottom, the lower part of the inner sleeve is fixedly connected with an anti-collision bottom plate, and the material of the anti-collision bottom plate can be adjusted according to the requirement, such as rubber and the like.
Preferably: the rear part of the handle component is provided with an anti-slip handle.
The invention has the following beneficial effects:
the invention adopts a cross rod driving structure, has manual and automatic telescopic functions, and can switch modes at will.
Under the manual mode, the inner sleeve of the vertical pipe can be ensured to extend completely by the driving of the cross rod and the self weight falling and extending of the inner sleeve, and the vertical pipe can be contracted by closing the manual mode.
In the automatic mode, the device automatically stretches by medium impact and automatically contracts when no medium impact exists. The internal compression spring has short stroke in the working state, and is less easy to damage compared with the extension spring with long working stroke in the prior art.
The novel vertical pipe inner sleeve is novel in structure, safe, reliable and long in service life, can ensure that the vertical pipe inner sleeve extends completely, and is suitable for comprehensive popularization and application.
Drawings
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is a second cross-sectional view of the present invention;
FIG. 3 is a front view of the present invention;
FIG. 4 is a first diagram of the driving mechanism of the present invention;
FIG. 5 is a second embodiment of a driving mechanism of the present invention;
FIG. 6 is a block diagram of a scissor lever lift mechanism of the present invention;
FIG. 7 is a cross-sectional view of the scissor lever lift mechanism of the present invention;
FIG. 8 is a second cross-sectional view of the scissor lever lift mechanism of the present invention;
FIG. 9 is a block diagram of a handle assembly of the present invention;
FIG. 10 is a diagram showing the construction of the connection between the hanger bracket and the adjustment guide sleeve of the present invention;
FIG. 11 is a diagram of the structure of the movable shackle of the present invention;
FIG. 12 is a state of use of the present invention;
fig. 13 is a cross-sectional view III of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only 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.
Example 1
As shown in fig. 1 and 3:
the telescopic vertical pipe with the cross rod structure comprises a first flange 23, an elbow 22, a second flange 25, a third flange 27, an inner sleeve 29 and an outer sleeve 1, wherein the first flange 23 is connected with the elbow 22, the lower part of the elbow 22 is connected with the second flange 25, the upper part of the outer sleeve 1 is connected with the third flange 27, a sealing gasket 26 is arranged between the second flange 25 and the third flange 27, a baffle ring 8 is arranged at the lower part of the outer sleeve 1, a supporting guide ring 9 is arranged at the outer ring of the inner sleeve 29, the baffle ring 8 is used for blocking the supporting guide ring 9, a shunt opening 5 is arranged at the lower part of the inner sleeve 29, a movable connecting seat 7 is arranged at the middle position of the lower part of the inner sleeve 29,
the driving mechanism is connected with the scissor rod lifting mechanism, and the lower part of the scissor rod lifting mechanism is connected with the connecting seat 7 through the connecting shaft III 4;
the scissor rod lifting mechanism comprises a hanging frame 30, an adjusting guide sleeve 14, a movable guide post 11, an elastic component 15, a supporting piece 13, a guide rod 24, a scissor-shaped lifting component and a connecting rod 3;
the suspension bracket 30 is fixedly connected with the adjusting guide sleeve 14, the suspension bracket 30 is fixed on the upper part of the outer sleeve 1, the abutting piece 13 is fixedly connected with the lower part of the guide rod 24, the movable guide post 11 is movably connected with the lower part of the adjusting guide sleeve 14, the movable guide post 11 moves upwards or downwards in the adjusting guide sleeve 14 under the action of external force, the upper part of the movable guide post 11 is provided with an elastic component 15, the elastic component 15 is also arranged in the adjusting guide sleeve 14, and the upper part of the elastic component is contacted with the abutting piece 13;
the lower part of the movable guide post 11 is connected with a scissor-shaped lifting component, the scissor-shaped lifting component comprises a group of X-shaped connecting pieces, the X-shaped connecting pieces comprise two movable rods 31, the middle positions of the two movable rods 31 are movably connected through movable rotating shafts 32, each two X-shaped connecting pieces are respectively and movably connected through the movable rotating shafts 32 to form a scissor-shaped lifting component, and the upper part of the scissor-shaped lifting component is connected with the lower part of the movable guide post 11 through a first connecting shaft 12; the lower part of the scissor-shaped lifting component is connected with the upper part of the connecting rod 3 through a connecting shaft II 2, the lower part of the connecting rod 3 is connected with the connecting seat 7 through a connecting shaft III 4, a fixed rotating shaft III 10 is arranged in the middle of the upper part of the scissor-shaped lifting component, and the fixed rotating shaft III 10 is arranged on a fixed position 10-1 on the outer sleeve 1;
the driving mechanism comprises a rotating shaft connecting piece 28 and a guide sleeve 16, wherein a fixed latch hook 16-1 is arranged on the guide sleeve 16, a guide rod 24 is arranged in the guide sleeve 16, a sealing ring 34 and a supporting ring 33 are sequentially arranged at the middle joint of the guide rod 24 and the guide sleeve 16 from top to bottom, the rotating shaft connecting piece 28 is connected with the front part of a handle assembly 38 through a rotating shaft, an arc-shaped guide groove 39 is arranged at the front part of the handle assembly 38, a pin shaft 35 is arranged at the upper part of the guide rod 24, pulleys 36 are arranged at the two ends of the pin shaft 35, the pulleys 36 move left and right in the arc-shaped guide groove 39, a movable latch hook accommodating groove 41 is arranged at the middle position of the handle assembly 38, a movable latch hook 17 is movably connected in the latch hook accommodating groove 41 through a fixed rotating shaft one 20, a torsion spring accommodating groove 17-1 is arranged at the upper part of the movable latch hook 17, and a torsion spring 19 is arranged in the torsion spring accommodating groove 17-1; the lower part of the inner sleeve 29 is fixedly connected with the anti-collision bottom plate 6, and the rear part of the handle assembly 38 is provided with an anti-skid handle 18.
At this time, the manual mode is in a closed state, the automatic mode is in an open state, the inner sleeve 29 can be automatically extended and contracted, the elastic assembly 15 is in a pre-compressed state when no medium impacts, the elastic assembly 15 preferably adopts a spring, at this time, the scissor lever lifting mechanism is in a compressed state, and the inner sleeve 29 is in an initial state.
Example 2
As shown in fig. 2:
at this moment, the manual mode is in a closed state, the automatic mode is in an open state, the automatic mode can be automatically extended and contracted, when medium impacts, the elastic component 15 is in a compressed state, the elastic component 15 preferably adopts a spring, at this moment, the scissor rod lifting mechanism is in an extended state, the scissor rod lifting mechanism drives the connecting rod 3 to move downwards, the connecting rod 3 drives the inner sleeve 29 to move downwards and contact with the tank bottom, and the medium flows out from the shunt opening 5.
Example 3
As shown in fig. 12:
at this moment, the manual mode is in an open state, the automatic mode is in a closed state, the manual shrinkage is only carried out, the manual mode droops the pipe in an extending state, at this moment, the elastic component 15 is in a free state, the elastic component 15 preferably adopts a spring, the elastic component is stretched by the self weight of the inner sleeve 29 and is contacted with the tank bottom, when the anti-collision bottom plate 6 at the lower part of the inner sleeve 29 is contacted, medium can flow out from a shunt opening, after the medium flows out, the anti-skid handle 18 can be held by hands to downwards lock the movable lock hook 17 with the fixed lock hook 16-1, at this moment, the spring is in a compressed state, the acting force is transmitted to the movable guide pillar 11, the movable guide pillar 11 transmits the acting force to the scissor-shaped lifting component, so that the scissor-shaped lifting component is contracted, the scissor-shaped lifting component drives the connecting rod 3 to move upwards, and the connecting rod drives the inner sleeve 29 to move upwards for resetting.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (3)

1. The utility model provides a telescopic vertical tube with a cross rod structure, which comprises a flange I (23), an elbow pipe (22), a flange II (25), a flange III (27), an inner sleeve (29) and an outer sleeve (1), wherein the flange I (23) is connected with the elbow pipe (22), the lower part of the elbow pipe (22) is connected with the flange II (25), the upper part of the outer sleeve (1) is connected with the flange III (27), a sealing gasket (26) is arranged between the flange II (25) and the flange III (27), the lower part of the outer sleeve (1) is provided with a baffle ring (8), the outer ring of the inner sleeve (29) is provided with a supporting guide ring (9), the baffle ring (8) is used for blocking the supporting guide ring (9), the lower part of the inner sleeve (29) is provided with a shunt opening (5), the middle position of the lower part of the inner sleeve (29) is provided with a movable connecting seat (7),
the driving mechanism is connected with the scissor rod lifting mechanism, and the lower part of the scissor rod lifting mechanism is connected with the connecting seat (7) through the connecting shaft III (4);
the scissor rod lifting mechanism comprises a suspension bracket (30), an adjusting guide sleeve (14), a movable guide post (11), an elastic component (15), a supporting piece (13), a guide rod (24), a scissor-shaped lifting component and a connecting rod (3);
the adjustable guide sleeve comprises a hanging frame (30) and an adjusting guide sleeve (14), wherein the hanging frame (30) is fixedly connected with the upper part of an outer sleeve (1), a supporting piece (13) is fixedly connected with the lower part of a guide rod (24), a movable guide post (11) is movably connected with the lower part of the adjusting guide sleeve (14), the movable guide post (11) moves upwards or downwards in the adjusting guide sleeve (14) under the action of external force, an elastic component (15) is arranged on the upper part of the movable guide post (11), and the elastic component (15) is also arranged in the adjusting guide sleeve (14) and is contacted with the supporting piece (13);
the lower part of the movable guide post (11) is connected with a scissor-shaped lifting component, the scissor-shaped lifting component comprises a group of X-shaped connecting pieces, the X-shaped connecting pieces comprise two movable rods (31), the middle positions of the two movable rods (31) are movably connected through a movable rotating shaft (32), each two X-shaped connecting pieces are respectively and movably connected through the movable rotating shaft (32) to form the scissor-shaped lifting component, and the upper part of the scissor-shaped lifting component is connected with the lower part of the movable guide post (11) through a first connecting shaft (12); the lower part of the scissor-shaped lifting component is connected with the upper part of the connecting rod (3) through a connecting shaft II (2), the lower part of the connecting rod (3) is connected with the connecting seat (7) through a connecting shaft III (4), a fixed rotating shaft III (10) is arranged in the middle of the upper part of the scissor-shaped lifting component, and the fixed rotating shaft III (10) is arranged on a fixed position (10-1) on the outer sleeve (1);
the driving mechanism comprises a rotating shaft connecting piece (28) and a guide sleeve (16), wherein a fixed lock hook (16-1) is arranged on the guide sleeve (16), a guide rod (24) is arranged in the guide sleeve (16), a sealing ring (34) and a supporting ring (33) are sequentially arranged at the middle joint of the guide rod (24) and the guide sleeve (16) from top to bottom, the rotating shaft connecting piece (28) is connected with the front part of a handle assembly (38) through a rotating shaft, an arc-shaped guide groove (39) is formed in the front part of the handle assembly (38), a pin shaft (35) is arranged on the upper part of the guide rod (24), pulleys (36) are arranged at the two ends of the pin shaft (35), the pulleys (36) move left and right in the arc-shaped guide groove (39), a movable hook containing groove (41) is arranged at the middle position of the handle assembly (38), the movable hook containing groove (41) is movably connected with a movable lock hook (17) through a fixed rotating shaft (20), a torsion spring containing groove (17-1) is arranged on the upper part of the movable lock hook (17), and a torsion spring (19) is arranged in the torsion spring containing groove (17-1).
2. A telescopic boom structure telescopic boom according to claim 1, characterized in that the lower part of said inner sleeve (29) is fixedly connected to the anti-collision floor (6).
3. A telescopic boom structure according to claim 1, wherein the rear portion of the handle assembly (38) is provided with a slip resistant grip (18).
CN202210835124.6A 2022-07-15 2022-07-15 Telescopic vertical pipe with cross rod structure Active CN114955972B (en)

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Application Number Priority Date Filing Date Title
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CN114955972B true CN114955972B (en) 2023-11-24

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一种气动密闭装车鹤管分析;尚庆付;;中国石油和化工标准与质量(第13期);全文 *
全自动液动衍架密闭装车鹤管的应用;郭天龄;郭;;甘肃科技(第18期);全文 *
移动式压力容器装卸用管安全现状分析及建议;林银昌;陈玮;;中国特种设备安全(第10期);全文 *

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