CN217947668U - Tank car refueling auxiliary device - Google Patents

Abstract

The utility model relates to a tank car refuels auxiliary device belongs to oil filling instrument technical field. The utility model discloses a fixed connection's hopper and honeycomb duct, the lower extreme oil-out of hopper is connected with the upper end of honeycomb duct, and the lower extreme of honeycomb duct has the structure of producing oil, is provided with tank car oil filler hole location connecting seat on the hopper, and the honeycomb duct includes outer tube and inner tube, and the inner tube cover is located in the outer tube and the connection length of both connecting portions is adjustable, the one end and the hopper fixed connection of outer tube or inner tube. The connecting length of the connecting part of the outer pipe and the inner pipe is adjustable, and the connecting part of the outer pipe and the inner pipe can be freely matched with the height of the oil tank truck, so that the oil tank truck can fully touch the bottom to lead out static electricity, and splashing type oiling is avoided.

Description

Tank car refueling auxiliary device

Technical Field

The utility model relates to a tank car auxiliary device that refuels is applicable to and refuels the tank wagon in filling station, belongs to finished oil filling instrument technical field.

Background

The non-oil tank refueling device is an auxiliary flow guiding tool mainly suitable for filling oil products into containers such as an oil tank truck and the like. If an auxiliary flow guiding tool is not used in the oil product filling process, the oil gun of the oiling machine is directly used for oiling, so that the problem of high oil product filling speed is caused, splashing type oiling exists, a large amount of air is generated, static electricity is accumulated in the barrel, the static electricity cannot be effectively released, and the risk of fire explosion caused by the static electricity is caused. Therefore, it is generally proposed to use an auxiliary diversion tool, a non-tank refueling device, inserted into the tank car by a diversion pipe, to facilitate discharge after static electricity is generated due to splashing during the refueling process. For example, patent document No. CN214990229U discloses a non-fuel tank refueling device, which includes a hopper and a flow guide pipe, wherein the hopper and the flow guide pipe are fixedly connected, a discharge port at the lower end of the hopper is connected to the upper end of the flow guide pipe, a plurality of overflow holes are formed in the side wall of the flow guide pipe, a blocking plate is arranged at the lower end of the flow guide pipe to form a closed structure, and an overflow port is formed at the lower end of the side wall of the flow guide pipe at a position close to the blocking plate. However, the diversion pipe of the device is of a fixed structure, the height of the diversion pipe cannot be adjusted according to the volume of the oil tank truck, two to three diversion pipes with different sizes are manufactured at present, one of the two diversion pipes is selected to be directly inserted into the oil tank truck for refueling, the diversion pipe is lack of a reliable fixing device and inconvenient to use, an oil gun cannot be fixed, and the oil gun is easy to slide off and spilled oil comes out, so that potential safety hazards and environmental pollution are formed. In addition, the volume of the oil tank truck is large, the minimum is 7770 liters, the maximum is 23000 liters, the time for refueling is long, a structure for fixing a refueling gun is lacked when the refueling gun is used for refueling on the oil tank truck at present, the refueling gun cannot be fixed, one person needs to squat and guard the tank truck for two to seven hours, the labor intensity of workers is increased, and a refueling channel is occupied for a long time.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: the tank car refueling auxiliary device is beneficial to realizing safe operation.

For solving the technical problem the utility model discloses the technical scheme who adopts is: tank car oiling auxiliary device, including fixed connection's hopper and honeycomb duct, the lower extreme oil-out of hopper is connected with the upper end of honeycomb duct, and the lower extreme of honeycomb duct has the structure of producing oil, is provided with tank car oil filler hole location connecting seat on the hopper, and the honeycomb duct includes outer tube and inner tube, and the inner tube cover is located in the outer tube and the connection length adjustable of both connecting portions, the one end and the hopper fixed connection of outer tube or inner tube.

Further, the method comprises the following steps: the end, away from the inner tube connecting portion, of the outer tube is fixedly connected with the hopper, the inner tube is slidably connected with the ground sleeve and is arranged in the outer tube and can move back and forth along the axial direction of the outer tube, the vertical arrangement of the flow guide tube is used as a reference, the lower end of the inner wall of the outer tube is provided with a first limiting protrusion arranged in an annular mode, the upper end of the outer wall of the inner tube is provided with a second limiting protrusion arranged in an annular mode, and the first limiting protrusion is located below the second limiting protrusion and can play a limiting role in the second limiting protrusion.

Further, the method comprises the following steps: a third limiting bulge which is annularly arranged is arranged at the lower end of the inner wall of the outer pipe below the first limiting bulge, and the diameter of the inner ring of the third limiting bulge is matched with the diameter of the outer wall of the inner pipe; the diameter of the inner ring of the first limiting bulge is matched with the diameter of the outer wall of the inner pipe; the diameter of the outer ring of the second limiting bulge is matched with the diameter of the inner wall of the inner pipe.

Further, the method comprises the following steps: the first limiting bulge is an annular continuous structure bulge formed by inwards rolling the side wall of the outer pipe, the third limiting bulge is an annular continuous structure bulge formed by inwards flanging the end part of the outer pipe, and the second limiting bulge is an annular continuous structure bulge formed by outwards flanging the end part of the inner pipe.

Further, the method comprises the following steps: the upper end and the lower end of the flow guide pipe are respectively fixedly provided with an electrostatic conduction connecting seat, and the two electrostatic conduction connecting seats are connected through an electrostatic conduction wire.

Further, the method comprises the following steps: the lower end of the flow guide pipe is sleeved with an oil collecting cup which is detachably connected. The preferred connection mode is as follows: the oil collecting cup is connected to the side wall of the outer pipe, a clamping hole is formed in the side wall of the outer pipe, a support is fixedly arranged on the outer side wall of the oil collecting cup, a transverse springboard pin is fixedly arranged in the support, a springboard capable of rotating around the springboard pin is installed in the support, the lower end of the springboard extends out of the bottom surface of the support, the upper end of the springboard extends out of the top surface of the support, a clamping board is fixedly arranged above the top surface of the support, and the clamping board has a first state of being clamped into the clamping hole and a second state of being separated from the clamping hole; the springboard is provided with a spring, and locking force is applied when the clamping board is clamped into the clamping hole through the reset acting force of the spring.

Further, the method comprises the following steps: the outer side wall of the oil collecting cup is fixedly provided with a handle.

Further, the method comprises the following steps: the support is the U-shaped board, the support is including being relative left side board and the right side board that sets up, and be located the preceding curb plate of left side board and right side board tip, the one end of preceding curb plate and the lateral wall fixed connection of an album oil cup are kept away from to left side board and right side board, the springboard round pin is installed on left side board and right side board, install the bolt via hole on the preceding curb plate, the screw post is just being installed to the position to the bolt via hole to the lateral wall of an album oil cup, install fixing bolt on the screw post, the springboard has the hole that supplies fixing bolt to pass, fixing bolt passes in preceding curb plate and the springboard, the spring is cylindrical spring, the spring housing is established in fixing bolt's periphery, spring one end contacts with the preceding curb plate, the other end contacts with the springboard.

Further, the method comprises the following steps: the tank car oil filler positioning connecting seat comprises a cover plate, the hopper is fixedly connected to the bottom surface of the cover plate, and an oil filler communicated with an inner cavity of the hopper is arranged on the cover plate; the lower end of the hopper is connected with the upper end of the flow guide pipe through a quick-release pipe joint.

Further, the method comprises the following steps: the bottom surface of the cover plate is provided with an annular sealing ring mounting groove (an annular sealing ring is arranged in the mounting groove during implementation); set at least two sets of locking device that annular interval arranged on the apron, every locking device of group includes the locking shaft, and the axis and the apron of locking shaft are mutually perpendicular, and the locking shaft forms to rotate with the apron to be connected, and the upper end of locking shaft is provided with the rotation operation structure, and the lower extreme of locking shaft stretches out apron bottom face to at the fixed spiral stay that is provided with in lower extreme, the position at spiral stay free end place is less than the position at its stiff end place. The preferable scheme is as follows: the spiral locking sheet is sleeved on the locking shaft and can move back and forth along the axis direction of the locking shaft; and locking nuts are arranged on two sides of the spiral locking sheet and are in threaded connection with the locking shaft, and the spiral locking sheet is clamped and fixed on the locking shaft by the locking nuts.

Further, the method comprises the following steps: the cover plate is provided with a breather valve communicated with the inner cavity of the hopper.

Further, the method comprises the following steps: the cover plate is fixedly provided with a second static conductive wire, and the other end of the second static conductive wire is provided with a grounding clamp.

Further, the method comprises the following steps: the oil filling port is at least two, and each oil filling port is provided with a sealing plug.

The utility model has the advantages that: during implementation, the tank car oil filler hole location connecting seat can be connected with tank car tank filler hole strength neck accordant, realizes that the tank car refuels auxiliary device's location, and the connection length of outer tube and inner tube connecting portion is adjustable to make the whole length of honeycomb duct adjustable, can satisfy the refueling of different volume tank cars. In the preferred connected mode of outer tube and inner tube, the spacing bellied cooperation of first spacing arch and second can prevent that the inner tube from droing, and when the honeycomb duct was perpendicular, the inner tube released self length completely or stopped because of touching tank wagon bottom under the effect of gravity, and the length of honeycomb duct can freely be adjusted to can freely match the height and size of tank wagon, make it fully touch the end and derive static, avoid producing the splash formula and refuel. After the oil collecting device is used, the lower end of the flow guide pipe is sleeved with the oil collecting cup, and the oil collecting cup is preferably connected to the side wall of the outer pipe, so that the flow guide pipe is prevented from freely stretching when not used, meanwhile, residual oil in the flow guide pipe can be collected, and the residual oil in the flow guide pipe is prevented from dripping and spilling everywhere. In addition, the upper end and the lower end of the flow guide pipe are respectively and fixedly provided with the static electricity conducting connecting seats, and the two static electricity conducting connecting seats are connected through a static electricity conducting wire, so that the problem of static electricity release generated during oil filling can be effectively solved. The tank car oil filler hole location connecting seat is provided with ring type sealing washer and locking device, can realize the sealed of tank car tank filler hole better, avoids the oil to spill over and forms potential safety hazard and environmental pollution.

Drawings

Fig. 1 is a top view of the overall structure of the present invention.

Fig. 2 isbase:Sub>A schematic view of the view directionbase:Sub>A-base:Sub>A in fig. 1.

Fig. 3 is a partial structural view of a connection portion between the outer pipe and the inner pipe in fig. 2.

Fig. 4 is a schematic view of the view direction B-B in fig. 1.

Fig. 5 is a schematic structural view of the oil collecting cup installed on the middle flow guide pipe of the present invention.

Fig. 6 is a partial schematic view of the installation structure of the oil collecting cup in the present invention.

Fig. 7 is a schematic view of a partial structure of the locking device of the present invention.

The labels in the figure are: the quick release device comprises a hopper 1, a flow guide pipe 2, an outer pipe 201, an inner pipe 202, a first limiting protrusion 203, a second limiting protrusion 204, a third limiting protrusion 205, a clamping hole 206, a tank car oil filler positioning connecting seat 3, a cover plate 301, an oil filler 302, an annular sealing ring 303, a breather valve 304, an oil filler pipe 305, a fixing pull ring 306, a pull rope 307, a water soldier clasp 308, a positioning seat 309, a static conductive wire 4, an oil collecting cup 5, a handle 6, a support 701, a springboard pin 702, a springboard 703, a clamping plate 704, a spring 705, a fixing bolt 706, a pipeline clasp joint 8, a locking device 9, a locking shaft 901, a spiral locking sheet 902, a locking nut 903, a positioning boss 904, a clamp spring 905, a handle 906, a second static conductive wire 10, a grounding clamp 11, an oil filling gun 12, a tank car oil filler hole neck 13, an elastic sealing sleeve 14 and a tank car manhole neck 15.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1 to 7, the utility model discloses a fixed connection's hopper 1 and honeycomb duct 2, the lower extreme oil-out of hopper 1 is connected with honeycomb duct 2's upper end, and honeycomb duct 2's lower extreme has the structure of producing oil, is provided with tank car oil filler hole location connecting seat 3 on the hopper 1, and honeycomb duct 2 includes outer tube 201 and inner tube 202, and the inner tube 202 cover is located in the outer tube 201 and the connection length of both connecting portions is adjustable, outer tube 201 or inner tube 202's one end and hopper 1 fixed connection. The oil outlet structure at the lower end of the guide pipe 2 can still discharge oil as long as the lower end of the guide pipe 2 is in contact with the bottom of the oil tank truck, and an overflow hole can be formed in the side wall of the lower end of the guide pipe 2. If the lateral wall of the lower end of the draft tube 2 is not provided with the overflow hole, the lower end surface of the draft tube 2 is designed to be a non-horizontal plane, and the preferred scheme is that the tube opening of the lower end of the draft tube 2 is designed to be an inclined hole which is obliquely arranged relative to the horizontal plane.

During implementation, the tank car oil filler hole location connecting seat 3 can be connected with the tank car tank filler hole neck 13 accordant, realizes the location of tank car refueling auxiliary device, and the connection length of outer tube 201 and inner tube 202 connecting portion is adjustable to make honeycomb duct 2's whole length adjustable, can satisfy the refueling of different volume tank cars. It will be appreciated that with reference to the connection scheme of the outer tube 201 and the inner tube 202, the inner tube 20 may be multi-sectioned to facilitate storage of the draft tube 2 when not in use. However, considering the arrangement of the static conductive wires 4 in the preferred embodiment, a two-section pipe scheme of the outer pipe 201 and the inner pipe 202 is preferably adopted.

The outer tube 201 and the inner tube 202 may be connected by various methods, such as a threaded connection, a snap connection, etc., but this method is expensive to manufacture and is vulnerable to damage. The preferable connection scheme is that one end of the outer pipe 201, which is far away from the inner pipe connection part of the outer pipe, is fixedly connected with the hopper 1, the inner pipe 202 is sleeved in the outer pipe 201 in a sliding connection mode and can move back and forth along the axis direction of the outer pipe 201, the vertical setting of the guide pipe 2 is taken as a reference, the lower end of the inner wall of the outer pipe 201 is provided with a first limiting bulge 203 which is annularly arranged, the upper end of the outer wall of the inner pipe 202 is provided with a second limiting bulge 204 which is annularly arranged, and the first limiting bulge 203 is located below the second limiting bulge 204 and can play a limiting role on the second limiting bulge 204. The cooperation of first spacing arch 203 and second spacing arch 204 can prevent that inner tube 202 from droing, and when honeycomb duct 2 was perpendicular, inner tube 202 released self length completely or stopped because of touching the tank wagon bottom under the effect of gravity, and the length of honeycomb duct 2 can freely be adjusted to can freely match the height and size of tank wagon, make it fully touch the end and derive static, avoid producing the splash formula and refuel. The utility model discloses an in the embodiment, the regulation length of honeycomb duct 2 designs according to the tank wagon of 1.6 meters height, can freely match the tank wagon below 1.6 meters height. The outer pipe 201 is made of aluminum alloy pipe with nominal diameter DN100, and the inner pipe 202 is made of aluminum alloy pipe with nominal diameter DN 80.

In order to prevent the draft tube 2 from generating large shake in the telescopic process, a third limiting bulge 205 which is annularly arranged is arranged at the lower end of the inner wall of the outer tube 201 below the first limiting bulge 203, and the diameter of the inner ring of the third limiting bulge 205 is matched with the diameter of the outer wall of the inner tube 202; the diameter of the inner ring of the first limiting bulge 203 is matched with the diameter of the outer wall of the inner pipe 202; the outer diameter of the second limiting protrusion 204 is matched with the inner wall diameter of the inner tube 202.

The annular arrangement of the first limiting protrusion 203, the second limiting protrusion 204 and the third limiting protrusion 205 refers to annular interval arrangement and annular continuous arrangement, as long as the corresponding limiting effect can be realized. In order to facilitate the processing and manufacturing and make the structure more reliable, the preferred scheme is: the first limiting protrusion 203 is an annular continuous structure protrusion formed by inward rolling of the side wall of the outer pipe 201, the third limiting protrusion 205 is an annular continuous structure protrusion formed by inward flanging of the end part of the outer pipe 201, and the second limiting protrusion 204 is an annular continuous structure protrusion formed by outward flanging of the end part of the inner pipe 202. In the embodiment of the utility model, the first limiting protrusion 203 is formed by rolling inward at a position 50mm away from the lower end of the side wall of the outer tube 201.

In order to effectively solve the problem of electrostatic discharge generated during refueling, the upper end and the lower end of the flow guide pipe 2 are respectively and fixedly provided with an electrostatic conductive connecting seat, and the two electrostatic conductive connecting seats are connected through an electrostatic conductive wire 4. The static conductive wire 4 is generally a copper wire, and the end of the copper wire can be fixed on the static conductive connecting seat through a compression bolt. In order to facilitate the telescopic adjustment of the flow guide pipe 2, the two static conductive connecting seats are generally designed on the inner wall of the flow guide pipe 2.

Preferably, the lower end of the flow guide pipe 2 is sleeved with a detachably connected oil collecting cup 5, and the oil collecting cup 5 is in a taking-down state when oil is added. After oiling is finished, the oil tank is sleeved at the lower end of the guide pipe 2. The oil cup 5 may be attached to the outer pipe 201 or the inner pipe 202 if only to prevent oil leakage. Preferably, the oil collecting cup 5 is connected to the side wall of the outer tube 201, so that the guide tube 2 is prevented from freely extending and retracting when not in use, meanwhile, the residual oil in the guide tube 2 can be collected, and the residual oil in the guide tube 2 is prevented from dripping and spilling everywhere. The detachable connection scheme of the oil collecting cup 5 is various, such as bolt fixation, pull rope fixation and the like.

For making simple structure reliable, easily operation, the utility model provides a preferred scheme does: the side wall of the outer pipe 201 is provided with a clamping hole 206, the outer side wall of the oil collecting cup 5 is fixedly provided with a support 701, a transversely arranged springboard pin 702 is fixedly arranged in the support 701, a springboard 703 capable of rotating around the springboard pin 702 is installed in the support 701, the lower end of the springboard 703 extends out of the bottom surface of the support 701, the upper end of the springboard 703 extends out of the top surface of the support 701, a clamping board 704 is fixedly arranged above the top surface of the support 701, the springboard 703 and the clamping board 704 can be generally designed in an integrated structure, and the clamping board 704 has a first state of being clamped into the clamping hole 206 and a second state of being separated from the clamping hole 206; the spring 705 is provided in the jumper 703, and a locking force is applied when the snap plate 704 is engaged with the snap hole 206 by a return force of the spring 705. When the oil collecting cup 5 is installed, only the lower end of the springboard 703 needs to be pressed, the upper end of the springboard 703 moves away from the outer pipe 201, the spring 705 is compressed, when the oil collecting cup 5 is installed to a state that the clamping board 704 is aligned with the clamping hole 206, the springboard 703 is released, and under the reset action force of the spring 705, the clamping board 704 is clamped in the clamping hole 206 and applies locking force. When the oil collecting cup 5 needs to be taken down, the lower end of the springboard 703 is pressed in the same way, the upper end of the springboard 703 moves towards the direction away from the outer pipe 201, the clamping board 704 on the upper end of the springboard 703 is separated from the clamping hole 206, and the oil collecting cup 5 can be directly taken down.

For further convenience in operation, a handle 6 is fixedly arranged on the outer side wall of the oil collecting cup 5.

In order to make the structure simple and reliable, the bracket 701 is a U-shaped plate, the bracket 701 includes a left side plate and a right side plate which are oppositely arranged, and a front side plate which is located at the end portion of the left side plate and the right side plate, one end of the left side plate and the right side plate, which are far away from the front side plate, is fixedly connected with the outer side wall of the oil collecting cup 5, the springboard pin 702 is installed on the left side plate and the right side plate, bolt through holes are installed on the front side plate, screw columns are installed on the outer side wall of the oil collecting cup 5, fixing bolts 706 are installed on the screw columns, the springboard 703 is provided with holes for the fixing bolts 706 to pass through, the fixing bolts 706 pass through the front side plate and the springboard 703, the spring 705 is a cylindrical spring, the spring 705 is sleeved on the periphery of the fixing bolts 706, one end of the spring is in contact with the front side plate, and the other end of the spring is in contact with the springboard 703. It will be appreciated that in an alternative embodiment of the present invention, the springboard pin 702 and the springboard 703 may also form a rotational connection by means of a shaft and sleeve, and the spring 705 is designed as a torsion spring sleeved on the shaft.

The tank car oil filler hole positioning connecting seat 3 can be only in the form of an annular positioning plate, and when the tank car oil filler hole positioning connecting seat is used, the tank car oil filler hole positioning connecting seat is lapped on the top of a tank car oil filler hole. The lower end of the hopper 1 and the draft tube 2 can be fixedly connected into an integral structure or can adopt a separated design. The utility model has the preferred proposal that the tank car oil filler positioning connecting seat 3 comprises a cover plate 301, the hopper 1 is fixedly connected with the bottom surface of the cover plate 301, and the cover plate 301 is provided with an oil filler 302 communicated with the inner cavity of the hopper 1; the lower end of the hopper 1 is connected with the upper end of the flow guide pipe 2 through a pipe quick-release clamp joint 8. The pipe quick-release clamp connector 8 is an existing universal connector and can be purchased directly on the market, and the guide pipe 2 can be quickly detached and assembled with the hopper 1 so as to be conveniently stored when the guide pipe 2 is not used.

In order to achieve a better sealing effect, the bottom surface of the cover plate 301 is provided with an annular gasket mounting groove, and an annular gasket 303 is installed during implementation. The shape of the cover plate 301 and the shape of the annular sealing ring 303 are matched with a tank truck oil filling port, the cover plate 301 is generally designed to be circular, and the annular sealing ring 303 is generally an O-shaped sealing ring. The cover plate 301 is provided with at least two groups of locking devices 9 which are arranged at intervals in an annular manner, each group of locking devices 9 comprises a locking shaft 901, the axis of the locking shaft 901 is perpendicular to the cover plate 301, the locking shaft 901 is rotatably connected with the cover plate 301, the upper end of the locking shaft 901 is provided with a rotary operation structure, the lower end of the locking shaft 901 extends out of the bottom end face of the cover plate 301, a spiral locking sheet 902 is fixedly arranged at the lower end of the locking shaft 901, and the position of the free end of the spiral locking sheet 902 is lower than that of the fixed end of the spiral locking sheet 902; the spiral locking piece 902 is sleeved on the locking shaft 901 and can reciprocate along the axial direction of the locking shaft 901; both sides of the screw locking plate 902 are provided with a locking nut 903, the locking nut 903 is in threaded connection with the locking shaft 901, and the screw locking plate 902 is clamped and fixed on the locking shaft 901 by the locking nut 903. When the guide pipe 2 is vertically inserted, the spiral locking sheet 902 is integrally positioned in the projection range of the inner cavity of the tank car oil filler on the horizontal plane, after the tank car oil filler positioning connecting seat 3 and the guide pipe 2 are initially installed in place, the locking shaft 901 is rotated, the spiral locking sheet 902 rotates along with the locking shaft 901, and the free end of the spiral locking sheet 902 is gradually screwed into the lower edge of the tank car oil filler until being locked and fixed. In the embodiment shown in the figures, the tank truck filler neck is provided with a tank truck filler neck 13, the upper end surface of the tank truck filler neck 13 is contacted with the bottom surface of the cover plate 301, and the spiral locking piece 902 is contacted and locked with the lower end surface of the tank truck filler neck 13. The screw locking plate 902 is preferably clamped and fixed on the locking shaft 901 by a locking nut 903, and the relative position of the screw locking plate 902 on the locking shaft 901 can be adjusted so as to adapt to tank truck oil filling hole collar 13 with different heights. The rotation operation structure at the upper end of the locking shaft 901 may be in the form of an internal bolt joint, an external bolt joint, etc., and the rotation operation is implemented by a wrench, and for convenience of operation, a handle 906 may be directly provided at the upper end of the locking shaft 901. The upper surface of the cover plate 301 can be provided with a raised positioning seat 309, the positioning seat 309 is provided with a through hole for the locking shaft 901 to pass through, the positioning seat 309 is additionally arranged to heighten the operation part, the rotating operation is convenient, and the reliable rotating connection is facilitated. In order to facilitate the axial positioning of the locking shaft 901, a positioning boss 904 is arranged at the upper end of the locking shaft 901, a clamp spring 905 is mounted in the middle of the locking shaft 901, the cover plate 301 is arranged between the bottom end face of the positioning boss 904 and the clamp spring 905, and the bottom end face of the positioning boss 904 and the clamp spring 905 play a role in axial positioning of the locking shaft 901. In the preferred embodiment, the cover plate 301 and the positioning seat 309 are integrally disposed between the bottom end surface of the positioning boss 904 and the clamp spring 905.

In order to discharge positive pressure air conveniently, the cover plate 301 is provided with a breather valve 304 communicated with the inner cavity of the hopper 1, and when the breather valve 304 is matched with the clamping hole 206 on the side wall of the outer pipe 201, positive pressure air in the tank car can be discharged more fully through the breather valve 304.

In order to facilitate the electrostatic discharge, a second static conductive wire 10 is fixedly disposed on the cover plate 301, a grounding clip 11 is disposed at the other end of the second static conductive wire 10, and the second static conductive wire 10 is also typically a copper wire. The tank car oil filler hole positioning connecting seat 3 and the hopper 1 can be made of aluminum alloy. The external connection scheme of electrostatic discharge can be implemented with reference to patent document No. CN 214990229U.

In order to improve the oiling efficiency, at least two oil filling ports 302 are provided, and each oil filling port 302 is provided with a sealing plug. In specific implementation, the unused oil filler 302 can be plugged by a sealing plug made of wood material.

In order to realize stable connection when the oil gun 12 is used, the oil filling port 302 is formed by an oil filling pipe 305 fixedly connected to the cover plate 301, the axis of the oil filling pipe 305 is perpendicular to the cover plate 301, the upper end of the oil filling pipe 305 is fixedly provided with an elastic sealing sleeve 14, the inner ring of the elastic sealing sleeve 14 is used as an oil gun connecting port, and the elastic sealing sleeve 14 can be made of rubber materials generally. When the oil gun 12 is used, the gun head of the oil gun 12 and the inner ring of the elastic sealing sleeve 14 form interference fit, and reliable fixation is achieved. In addition, a fixed pull ring 306 is fixedly arranged on the outer side wall of the oil filling pipe 305, a water soldier hook 308 is connected to the fixed pull ring 306, a pull rope 307 is connected to the water soldier hook 308, and the other end of the pull rope 307 is fixedly connected with the oil filling gun 12. The soldier clasp 308 is an existing universal connecting component, can be purchased directly on the market, and can realize free adjustment of the connecting length of the pull rope 307, so that the pull rope 307 can tighten and fix the fuel nozzle 12, and the stability of the fuel nozzle 12 during use is further improved. After the scheme is adopted, the oiling staff does not need to squat and guard on the tank car all the time, and the labor intensity can be reduced for the staff.

Claims (10)

1. Tank car refuels auxiliary device, including fixed connection's hopper (1) and honeycomb duct (2), the lower extreme oil-out of hopper (1) is connected with the upper end of honeycomb duct (2), and the lower extreme of honeycomb duct (2) has oil outlet structure, its characterized in that: be provided with tank car oil filler hole location connecting seat (3) on hopper (1), honeycomb duct (2) include outer tube (201) and inner tube (202), and outer tube (201) are located in inner tube (202) cover and the connection length of both connecting portions is adjustable, the one end and hopper (1) fixed connection of outer tube (201) or inner tube (202).

2. The tanker refueling assist device as recited in claim 1 wherein: outer tube (201) keep away from its inner tube connecting portion's one end and hopper (1) fixed connection, inner tube (202) sliding connection ground cover is located in outer tube (201) and can be along outer tube (201) axis direction reciprocating motion, regard as the reference with the vertical setting of honeycomb duct (2), the inner wall lower extreme of outer tube (201) has first spacing arch (203) that the annular was arranged, the outer wall upper end of inner tube (202) is provided with the spacing arch of second (204) that the annular was arranged, first spacing arch (203) are located the spacing arch of second (204) below and can play limiting displacement to the spacing arch of second (204).

3. The tanker refueling assist device of claim 2 wherein: a third limiting bulge (205) which is annularly arranged is arranged below the first limiting bulge (203) at the lower end of the inner wall of the outer pipe (201), and the diameter of the inner ring of the third limiting bulge (205) is matched with the diameter of the outer wall of the inner pipe (202); the diameter of the inner ring of the first limiting bulge (203) is matched with the diameter of the outer wall of the inner pipe (202); the diameter of the outer ring of the second limiting bulge (204) is matched with the diameter of the inner wall of the inner pipe (202).

4. A tanker refueling assist device as set forth in claim 3, wherein: the first limiting protrusion (203) is an annular continuous structure protrusion formed by inward rolling of the side wall of the outer pipe (201), the third limiting protrusion (205) is an annular continuous structure protrusion formed by inward flanging of the end part of the outer pipe (201), and the second limiting protrusion (204) is an annular continuous structure protrusion formed by outward flanging of the end part of the inner pipe (202).

5. The tank car refueling auxiliary device as recited in any one of claims 1 to 4, wherein: the upper end and the lower end of the flow guide pipe (2) are respectively and fixedly provided with static electricity conducting connecting seats, and the two static electricity conducting connecting seats are connected through static electricity conducting wires (4).

6. The tank car refueling auxiliary device as recited in any one of claims 2 to 4, wherein: the lower end of the flow guide pipe (2) is sleeved with a detachable oil collecting cup (5); the oil collecting cup (5) is connected to the side wall of the outer pipe (201), a clamping hole (206) is formed in the side wall of the outer pipe (201), a support (701) is fixedly arranged on the outer side wall of the oil collecting cup (5), a transverse springboard pin (702) is fixedly arranged in the support (701), a springboard (703) capable of rotating around the springboard pin (702) is installed in the support (701), the lower end of the springboard (703) extends out of the bottom surface of the support (701), the upper end of the springboard (703) extends out of the top surface of the support (701), a clamping board (704) is fixedly arranged above the top surface of the support (701), and the clamping board (704) has a first state of being clamped into the clamping hole (206) and a second state of being separated from the clamping hole (206); a spring 705 is provided to the jumper 703, and a locking force is applied when the snap plate 704 is fitted into the snap hole 206 by a return force of the spring 705.

7. The tanker refueling assist device of claim 6, wherein: a handle (6) is fixedly arranged on the outer side wall of the oil collecting cup (5); support (701) is the U-shaped board, support (701) is including being relative left side board and the right side board that sets up, and be located the preceding curb plate of left side board and right side board tip, the one end that preceding curb plate was kept away from to left side board and right side board and the lateral wall fixed connection of oil collecting cup (5), springboard round pin (702) are installed on left side board and right side board, install the bolt via hole on the preceding curb plate, the lateral wall of oil collecting cup (5) just installs the screw post in the position to the bolt via hole, install fixing bolt (706) on the screw post, springboard (703) have the hole that supplies fixing bolt (706) to pass, fixing bolt (706) pass in preceding curb plate and springboard (703), spring (705) are cylindrical spring, the periphery of spring (706) cover is established at fixing bolt (706), spring (705) one end contacts with preceding curb plate, the other end contacts with springboard (703).

8. The tank car refueling auxiliary device as recited in any one of claims 1 to 4, wherein: the tank car oil filler positioning connecting seat (3) comprises a cover plate (301), the hopper (1) is fixedly connected to the bottom surface of the cover plate (301), and an oil filler (302) communicated with the inner cavity of the hopper (1) is arranged on the cover plate (301); the lower end of the hopper (1) is connected with the upper end of the flow guide pipe (2) through a pipe quick-release clamp joint (8).

9. The tanker refueling assist device of claim 8, wherein: the bottom surface of the cover plate (301) is provided with an annular sealing ring mounting groove; at least two groups of locking devices (9) which are arranged at intervals are arranged on the cover plate (301), each group of locking devices (9) comprises a locking shaft (901), the axis of the locking shaft (901) is perpendicular to the cover plate (301), the locking shaft (901) is rotationally connected with the cover plate (301), the upper end of the locking shaft (901) is provided with a rotary operation structure, the lower end of the locking shaft (901) extends out of the bottom end face of the cover plate (301), a spiral locking sheet (902) is fixedly arranged at the lower end of the locking shaft, and the position of the free end of the spiral locking sheet (902) is lower than that of the fixed end of the spiral locking sheet; the spiral locking sheet (902) is sleeved on the locking shaft (901) and can reciprocate along the axial direction of the locking shaft (901); both sides of the screw locking sheet (902) are provided with locking nuts (903), the locking nuts (903) are in threaded connection with the locking shaft (901), and the screw locking sheet (902) is clamped and fixed on the locking shaft (901) through the locking nuts (903).

10. The tanker refueling assist device of claim 8 wherein: a breather valve (304) communicated with the inner cavity of the hopper (1) is arranged on the cover plate (301); a second static conductive wire (10) is fixedly arranged on the cover plate (301), and a grounding clip (11) is arranged at the other end of the second static conductive wire (10); at least two oil filling ports (302) are provided, and each oil filling port (302) is provided with a sealing plug.

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