CN208600982U - Automobile is unloaded automatic butt jointing device - Google Patents

Abstract

It unloads automatic butt jointing device the utility model discloses automobile, relates generally to tank car unloading unit field.Including mechanical arm, range-measurement system, alignment system, pipe-line system and control system, automatic positioning, the automatic butt of unloading system and tank wagon unloading port position are realized.The utility model has the beneficial effects that: it utilizes automatic technology; it realizes that truck tank is unloaded the production automation and long-range control of station, therefore utilizes automation means, substitution is simple, the duplication of labour; especially in dangerization field, the purpose of personnel reduction and enlargement can achieve.

Description

Automobile is unloaded automatic butt jointing device

Technical field

The utility model relates to tank car unloading unit field, specifically automobile is unloaded automatic butt jointing device.

Background technique

The crude oil that petroleum recovering operation area acquires out, according to the how many difference of operation area yield, on the spot by simple place After reason, the handling point, such as loading station, oiling water-injection station etc. of concentration are aggregated into such a way that pipe is defeated or overland transport, into The interim storage of row after reaching certain storage capacity, then by the approach of Relatively centralized, is maneuvered into Petrochemical Enterprises and carries out depth and add Work.Since domestic each the distance between point that recovers the oil compares farther out, the oil pump capacity of each point is also little, realizes original using the defeated mode of pipe The case where oil conveying, is fewer, and the crude oil of each single well oil drop extraction is just needed carried of crude oil through tank wagon to uniformly Handling point is transported through, and such case is commonplace.

Carried of crude oil is needed for crude oil to be discharged to specified Fuel Tanking Unit to after concentrating handling point by tank wagon, current general Mode be to build several crude storage ponds in handling point, the absolute altitude of storage pool is lower, tank wagon in place after, with a hose It is connect with tank car mouth of unloading, then opens valve, by gravity by CRUDE OIL EMISSIONS to storage pool.This production method is very thick It puts, open work, the requirement of environmental protection policy is not achieved in open discharge.And many drawbacks are brought, it is existing if production method is extensive Field operation fineness is poor, is unable to satisfy the requirement of qualified discharge；Oil composition is complicated, generally all in various degree toxic Harmful components, to site operation personnel's toxic side effect；Every time unload whether can reach unload it is dry unload to the greatest extent, manually oneself is sentenced It is disconnected, it is easy to cause economic loss to owner；Artificial to pull under pipeline, especially adverse weather condition, labor intensity is big；Stone Oil price lattice be chronically at low level hover, oil producing operation area working environment it is more severe, be on the one hand difficult to find that suitable employee, separately On the one hand the cost for supporting employee is more and more high.

The technical program is primarily directed to petroleum recovering operation area tank wagon overland transport direction crude oil unloading link, Wish to use more automatic technologies, machine is allowed to replace being accomplished manually partial repeatability physical work, it is strong to reduce employee's labour Degree improves production efficiency, and reaches the requirement of safety in production, closed production.

Utility model content

It unloads automatic butt jointing device the purpose of this utility model is to provide automobile, it utilizes automatic technology, and realization is unloaded The automatic positioning of oil system and tank wagon unloading port position, automatic butt, and then realize that truck tank is unloaded the production of station It automates and remotely controls, therefore utilize automation means, the simple, duplication of labour is substituted, especially in dangerization field, Ke Yida To the purpose of personnel reduction and enlargement.

The utility model to achieve the above object, is achieved through the following technical solutions:

Automobile is unloaded automatic butt jointing device, comprising:

Mechanical arm, the mechanical arm include total by the X-axis assembly of servo motor driving, Y-axis assembly, Z axis assembly and W axis At, integral-rotation of the W axle assembly to realize tri- axle system of X-Y-Z, the X-axis assembly, Y-axis assembly, Z axis assembly difference To realize X-axis, Y-axis, Z axis three axis direction linear runnings,

The W axle assembly includes fixing seat, and the fixing seat is fixed on the vehicle tail end in parking lot, the fixing seat be equipped with Its chassis being rotatablely connected, the chassis are rotated by the driving of W axis servo motor,

The X-axis assembly includes support frame, X-axis stroke frame, X-axis slide unit, and support frame as described above is vertically arranged and its bottom end is solid It is scheduled on the middle part of chassis, top and the X-axis stroke frame of support frame as described above are fixed, and are equipped with X in X direction on the X-axis stroke frame Axis linear guide and X-axis rack gear, the X-axis linear guide is two and front and back is set side by side, and is slided in the X-axis linear guide It is connected with X-axis slide block, the X-axis slide block is fixed on X-axis slide unit, and the bottom surface of the X-axis slide unit is rotatably equipped with X-axis tooth Wheel, the X-axis gear is driven by the X-axis servo motor being mounted on X-axis slide unit, and the X-axis gear is nibbled with X-axis rack gear It closes,

The Y-axis assembly includes frame-type frame, and the frame-type frame is rectangular frame and its length direction and Y direction phase one It causes, the bottom of the frame-type frame is equipped with Y-axis guide rail along the y axis, is fixed with along the y axis on the inboard side wall of the frame-type frame Y-axis rack gear slidably connects Y-axis sliding block in the Y-axis guide rail, and the Y axis sliding block is fixed on X-axis slide unit, and the X-axis is sliding Y-axis gear is also rotatably installed on platform, the Y shaft gear is driven by the Y-axis servo motor being mounted on X-axis slide unit, And the Y-axis gear is meshed with Y-axis rack gear,

The Z axis assembly includes crane, and the crane is equipped with the Z axis guide rail being arranged along Z-direction and Z axis tooth Item slidably connects Z axis sliding block in the Z axis guide rail, and the Z axis sliding block is fixed on the front end of frame-type frame, the frame-type frame Front end is also rotatably equipped with Z axis gear, and the Z axis gear is driven by the Z axis servo motor being fixed on frame-type frame, institute Z axis gear is stated to be meshed with Z axis rack gear；

Range-measurement system, the range-measurement system include the laser range sensor for being set to X-axis stroke frame both ends, the laser Distance measuring sensor is connect with control system, is set with distance range, after automobile enters setting range, is made a sound alarm or is mentioned It wakes up parking of automobile, after parking of automobile, two laser range sensors are by the different distance numerical value of two detected monitoring points Controller is fed back to, judges the relative dip angle of automobile and chassis, controlling the rotation of W axis by control system makes the X of mechanical arm Axis and tank car rear portion keeping parallelism；

Alignment system, the alignment system are mounted on X-axis slide unit, the alignment system include mounting rack, industrial camera, Light source, industrial personal computer, the mounting rack are fixed on X-axis slide unit, and the light source and industrial camera are mounted on mounting rack, the work Captured image information is fed back to industrial personal computer by industry camera, to judge that the relative position of connection system and tank car interface is closed System, the industrial personal computer are connect with control system signal；

Pipe-line system, the pipe-line system connect mechanical arm, are realized and tank car interface by the position adjustment of mechanical arm Docking；

Control system, the control system are carried out for input/output signal to be handled and uploaded, and to mechanical arm Control.

The stroke of the X-axis assembly is the 0.6m of bi-directional symmetrical, and the stroke of the Y-axis assembly is 1m, the Z axis assembly Stroke is upper and lower 0.3m.

Pipe-line system includes connecting tube, and the lower interface of connecting tube is connect with trestle pipeline, and pipe end is fixed on mechanical arm On for being connect with tank car interface, connecting tube be equipped with rotary joint, motor-driven valve, level switch, heat tracing and attemperator.

Further include purging attachment, the purging attachment use hot-air blowing, including first purging attachment and second purge it is attached Part, the first purging attachment is mounted on the front end of instrument arm, for carrying out purging cleaning, institute to tank car interface before and after docking It states and is additionally provided with parking bracket on chassis, the parking bracket is set to when mechanical arm is in initial or reset state, connects system institute In position, the second purging attachment is mounted on parking bracket, for the connection system component and connecting tube nozzle after reset Carry out purging cleaning.

Further include connection system, the connection system is mounted on the front side of crane, the connection system include connector housing, Swagelok, contraposition sealing clamp, tension spring, the first rack gear, the second rack gear, the connector housing are fixed on the bottom of crane Portion, driving gear is equipped on the connector housing, and the driving gear is driven by the connector servo motor being fixed on connector housing It moves, the front and rear sides that driving gear is set of first rack gear and the second rack gear side by side, first rack gear and the second tooth Item is meshed with driving gear, and the first rack gear and the second rack gear are slidably connected with connector housing respectively, right on the connector housing The position and sliding stroke for answering the first rack gear and the second rack gear are equipped with strip-type hole, and one end of first rack gear is fixed with the first company Fitting, second rack gear are equipped with the second connector, first connector and the second connection far from one end of the first connector Part extends through corresponding strip-type hole, and the contraposition sealing clamp includes two hood type handgrips being symmetrical set, described The bottom end of first connector and the second connector is fixedly connected with ipsilateral contraposition sealing clamp respectively, for driving contraposition sealing The folding of fixture, the bottom of the connector housing are fixed with toroidal frame, and the toroidal frame is two and is set side by side, the annular The middle part of frame is equipped with mounting hole, there are gap between the swagelok penetrating mounting holes and the two, is fixed on the toroidal frame The inner ring of annular air-pocket, the annular air-pocket is in contact with swagelok, and the tension spring is set between two toroidal frames, One end of the tension spring is fixed on swagelok, and the other end of the tension spring is fixed on connector housing, described to connect The front end of head casing tube with tank car interface for docking, and the end of the swagelok with connecting tube for connecting.

The prior art is compared, the utility model has the beneficial effects that:

It is realized by this technology and utilizes automatic technology, realize that unloading system and the automatic of tank wagon unloading port position are determined Position, automatic butt.It avoids manually to the dragging of docking system, docking, it, can be with especially to the oil producing operation area of bad environments Greatly reduce the labor intensity of operator.Using automatic aligning and docking, the link of manpower intervention greatly reduces, and increases simultaneously Remote monitoring system, production efficiency is controllable, and production plan is timely completed situation and will greatly improve, meanwhile, each station it is real-time Creation data can recorde, summarizes and inquire, and production management level is greatly improved, and achieve the purpose that personnel reduction and enlargement.

Detailed description of the invention

Attached drawing 1 is the tank car tail portion interface diagram of the utility model institute operation.

Attached drawing 2 is the whole front schematic view (junction portion fractionation) of the utility model.

Attached drawing 3 is the whole side schematic view of the utility model.

Attached drawing 4 is the connection components of system as directed schematic diagram of the utility model.

Attached drawing 5 is the schematic diagram of the mechanical arm front end of the utility model.

Attached drawing 6 is the schematic diagram of the utility model laser range sensor.

Label shown in attached drawing:

1, fixing seat；2, chassis；3, support frame；4, X-axis stroke frame；5, X-axis slide unit；6, frame-type frame；7, crane；8, swash Ligh-ranging sensor；9, mounting rack；10, industrial camera；11, light source；12, connector housing；13, swagelok；14, contraposition sealing Fixture；15, tension spring；16, the first rack gear；17, the second rack gear；18, toroidal frame；19, annular air-pocket；20, connecting tube；21, Parking bracket.

Specific embodiment

The present invention will be further illustrated below in conjunction with specific embodiments.It should be understood that these embodiments are merely to illustrate this Utility model rather than limitation the scope of the utility model.In addition, it should also be understood that, in the content for having read the utility model instruction Later, those skilled in the art can make various changes or modifications the utility model, and such equivalent forms equally fall within this Shen It please limited range.

Described in the utility model is that automobile is unloaded automatic butt jointing device, and main structure includes: mechanical arm, range-measurement system, right Position system, connection system, pipe-line system, purging attachment, control system.

The mechanical arm includes X-axis assembly, Y-axis assembly, Z axis assembly and the W axle assembly driven by servo motor, described Integral-rotation of the W axle assembly to realize tri- axle system of X-Y-Z, the X-axis assembly, Y-axis assembly, Z axis assembly are respectively to reality Existing X-axis, Y-axis, Z axis three axis direction linear runnings, the stroke of the X-axis assembly is the 0.6m of bi-directional symmetrical, the Y-axis assembly Stroke be 1m, the stroke of the Z axis assembly is upper and lower 0.3m.

The W axle assembly includes fixing seat 1, and the fixing seat 1 is fixed on the vehicle tail end in parking lot, sets in the fixing seat 1 There is the chassis 2 being rotatablely connected with it, the chassis 2 passes through the driving rotation of W axis servo motor.The general deviation of the stop of automobile compared with Greatly, it causes many docking facilities and operation that can not adapt to such deviation in docking, influences to dock effect.The present apparatus is in this regard Range-measurement system judgement and scanning tank car resting state by setting, and W axis is controlled, to ensure that mechanical arm in X Axis direction is parallel with tank car tail portion, guarantees the sealing effect of docking.

The X-axis assembly includes support frame 3, X-axis stroke frame 4, X-axis slide unit 5, and support frame as described above 3 is vertically arranged and its bottom End is fixed on the middle part of chassis 2, and the top of support frame as described above 3 and X-axis stroke frame 4 are fixed, on the X-axis stroke frame 4 in X direction X-axis linear guide and X-axis rack gear are installed, the X-axis linear guide is two and front and back is set side by side, and the X-axis straight line is led X-axis slide block is slidably connected on rail, the X axis sliding block is fixed on X-axis slide unit 5, and the bottom surface of the X-axis slide unit 5 is rotatable X-axis gear is installed, the X-axis gear is driven by the X-axis servo motor being mounted on X-axis slide unit 5, and the X-axis gear It is engaged with X-axis rack gear.

The Y-axis assembly includes frame-type frame 6, and the frame-type frame 6 is rectangular frame and its length direction and Y direction phase one It causes, the bottom of the frame-type frame 6 is equipped with Y-axis guide rail along the y axis, fixes along the y axis on the inboard side wall of the frame-type frame 6 There is Y-axis rack gear, Y-axis sliding block is slidably connected in the Y-axis guide rail, the Y-axis sliding block is fixed on X-axis slide unit 5, the X-axis Y-axis gear is also rotatably installed, the Y-axis gear is driven by the Y-axis servo motor being mounted on X-axis slide unit 5 on slide unit 5 It is dynamic, and the Y shaft gear is meshed with Y-axis rack gear,

The Z axis assembly includes crane 7, and the crane 7 is equipped with the Z axis guide rail being arranged along Z-direction and Z axis tooth Item slidably connects Z axis sliding block in the Z axis guide rail, and the Z axis sliding block is fixed on the front end of frame-type frame 6, the frame-type frame 6 Front end Z axis gear is also rotatably installed, the Z axis gear is driven by the Z axis servo motor being fixed on frame-type frame 6 Dynamic, the Z axis gear is meshed with Z axis rack gear.

The mechanical arm considers the stability of whole system, takes into account bilateral symmetry, and the width for needing to adjust in height It spends limited, therefore is driven by above-mentioned mechanical structure.

The range-measurement system includes the laser range sensor 8 for being set to 4 both ends of X-axis stroke frame, and the laser ranging passes Sensor is connect with control system, and being set with distance range is that 12m (is greater than 10000LUX, positive reason to the anti-interference ability of strong light Under condition, service life is greater than 10 years), after automobile enters setting range, makes a sound alarm or remind parking of automobile, automobile stops Che Hou, two laser range sensors 8 judge the different distance numeric feedback of two detected monitoring points to controller The relative dip angle of automobile and chassis 2, controls the rotation of W axis by control system, ensures mechanical arm until eliminating relative tilt With tank car rear portion keeping parallelism.

The alignment system is mounted on X-axis slide unit 5, and the alignment system includes mounting rack 9, industrial camera 10, light source 11, industrial personal computer, the mounting rack 9 are fixed on X-axis slide unit 5, and the light source 11 and industrial camera 10 are mounted on mounting rack 9, Captured image information is fed back to industrial personal computer by the industrial camera 10, to judge that connection system is opposite with tank car interface Positional relationship, the industrial personal computer are connect with control system signal.

The connection system is mounted on the front side of crane 7, the connection system include connector housing 12, swagelok 13, Sealing clamp 14, tension spring 15, the first rack gear 16, the second rack gear 17 are aligned, the connector housing 12 is fixed on the bottom of crane 7 Portion, is equipped with driving gear on the connector housing 12, and the driving gear passes through the connector servo electricity that is fixed on connector housing 12 Machine driving, the front and rear sides that driving gear is set of first rack gear 16 and the second rack gear 17 side by side, first rack gear 16 and second rack gear 17 with driving gear be meshed, and the first rack gear 16 and the second rack gear 17 respectively with connector housing 12 slide connect It connecing, the position and sliding stroke of corresponding first rack gear 16 and the second rack gear 17 are equipped with strip-type hole on the connector housing, and described first One end of rack gear 16 is fixed with the first connector, and second rack gear 17 is equipped with the second connection far from one end of the first connector Part, first connector and the second connector extend through corresponding strip-type hole, and the contraposition sealing clamp 14 includes two The bottom end of the hood type handgrip being symmetrical set, first connector and the second connector is sealed with ipsilateral contraposition respectively Fixture 14 is fixedly connected, and for driving the folding of contraposition sealing clamp 14, the bottom of the connector housing 12 is fixed with toroidal frame 18, the toroidal frame 18 is two and is set side by side, and the middle part of the toroidal frame 18 is equipped with mounting hole, and the swagelok 13 passes through It wears between mounting hole and the two there are gap, is fixed with annular air-pocket 19, the inner ring of the annular air-pocket 19 on the toroidal frame 18 It is in contact with swagelok 13, the tension spring 15 is set between two toroidal frames 18, one end of the tension spring 15 It is fixed on swagelok 13, the other end of the tension spring 15 is fixed on connector housing 12, before the swagelok 13 End with tank car interface for docking, and the end of the swagelok 13 with connecting tube 20 for connecting.

The pipe-line system connects mechanical arm, passes through the position adjustment realization of mechanical arm and docking for tank car interface, pipeline System includes connecting tube 20, and the lower interface of connecting tube 20 is connect with trestle pipeline, and pipe end is fixed on the connector of adapter system On casing 13, connecting tube 20 is (true in signal equipped with rotary joint (realizing Arbitrary Rotation within the scope of envelope), motor-driven valve In the case where recognizing, realize the switch of process pipelines), level switch (realize medium whether there is or not detection, provide production start and terminate Signal confirmation), heat tracing and attemperator.

The purging attachment uses hot-air blowing, including the first purging attachment and the second purging attachment, first purging Attachment is mounted on the front end of instrument arm, for carrying out purging cleaning to tank car interface before and after docking, is additionally provided on the chassis 2 Parking bracket 21, the parking bracket 21 are set to when mechanical arm is in initial or reset state, connect system position, described Second purging attachment is mounted on parking bracket 21, for after reset connection system component and 20 nozzle of connecting tube purge Cleaning.Since environment and mode of operation etc. influence, the attachments such as silt, medium can be adhered in the associated component of butted part, such as Fruit is not cleared up in time, and residual dielectric, attachment can be formed about in interface to be freezed, and is further influenced connection sealing, is caused to unload Situation is leaked in race in vehicle.By purging attachment, associated component is timely purged before and after docking, the purging energy before docking Butt sealing effect is enough improved, the purging after docking can clear up attachment medium and sundries in time, guarantee the cleaning of associated component.

Control system, the control system are used to receive the feedback data information of alignment system and range-measurement system, and to machine Tool arm, connection system and purging attachment are controlled.

In addition, being additionally provided with spare connector, current general manual discharging connector, automatic equipment is under failure, power-off condition Spare unit.

The motion flow of the present apparatus in actual production are as follows:

1) automobile enters defined area, and two laser range sensors 8 detect simultaneously, when any one detecting distance is less than Setting value provides stop sign；(skid front end sets parking shift, it is ensured that skid safety)；

2) it just positions: according to laser range finder offer apart from testing result, system-computed automobile stop gradient；

3) W axis rotates, it is ensured that mechanical arm is parallel with automobile tail；

4) secondary contraposition: alignment system is opened, the position of mouth on a vertical plane of unloading, and location information is provided To system；

5) manipulator is along X-axis, Z-axis linkage, after along Y-axis run to interface position；

6) contraposition sealing clamp 14 opens, close along Y-axis tank car with manipulator；

7) Y-axis forward travel distance and laser measured distance compare, and when entering interface area, stop, and start purge system, docking Mouth is cleared up；

8) Y-axis moves on, and when y-axis motor torque is greater than the 20% of average torque, moves forward and backward stopping, interface pine It opens, docking is completed, and manipulator is moved to home.

9) signal confirmation is completed in production, and manipulator grabs interface, steps back set distance, starts purge system, clears up tank car Under unload mouth；

10) mechanical arm resets, and interface resets to parking bracket 21, and starting purge system is cleared up interface, then will be connect Mouth is docked to parking bracket 21, and process terminates.

Claims (5)

1. The automatic butt jointing device 1. automobile is unloaded characterized by comprising

   Mechanical arm, the mechanical arm include X-axis assembly, Y-axis assembly, Z axis assembly and the W axle assembly driven by servo motor, Integral-rotation of the W axle assembly to realize tri- axle system of X-Y-Z, the X-axis assembly, Y-axis assembly, Z axis assembly are used respectively With realize X-axis, Y-axis, Z axis three axis direction linear runnings,

   The W axle assembly includes fixing seat, and the fixing seat is fixed on the vehicle tail end in parking lot, and the fixing seat is equipped with and its turn The chassis of dynamic connection, the chassis are rotated by the driving of W axis servo motor,

   The X-axis assembly includes support frame, X-axis stroke frame, X-axis slide unit, and support frame as described above is vertically arranged and its bottom end is fixed on The middle part of chassis, top and the X-axis stroke frame of support frame as described above are fixed, and it is straight to be equipped with X-axis in X direction on the X-axis stroke frame Line guide rail and X-axis rack gear, the X-axis linear guide is two and front and back is set side by side, and is slidably connected in the X-axis linear guide There is X-axis slide block, the X-axis slide block is fixed on X-axis slide unit, and the bottom surface of the X-axis slide unit is rotatably equipped with X-axis gear, The X-axis gear is driven by the X-axis servo motor being mounted on X-axis slide unit, and the X-axis gear is engaged with X-axis rack gear,

   The Y-axis assembly includes frame-type frame, and the frame-type frame is rectangular frame and its length direction is consistent with Y direction, institute The bottom for stating frame-type frame is equipped with Y-axis guide rail along the y axis, is fixed with Y-axis tooth along the y axis on the inboard side wall of the frame-type frame Item slidably connects Y-axis sliding block in the Y-axis guide rail, and the Y-axis sliding block is fixed on X-axis slide unit, on the X-axis slide unit also Y-axis gear is rotatably installed, the Y-axis gear is driven by the Y-axis servo motor being mounted on X-axis slide unit, and the Y Shaft gear is meshed with Y-axis rack gear,

   The Z axis assembly includes crane, and the crane is equipped with the Z axis guide rail being arranged along Z-direction and Z axis rack gear, institute It states and slidably connects Z axis sliding block in Z axis guide rail, the Z axis sliding block is fixed on the front end of frame-type frame, and the front end of the frame-type frame is also Z axis gear is rotatably installed, the Z axis gear is driven by the Z axis servo motor being fixed on frame-type frame, the Z axis Gear is meshed with Z axis rack gear；

   Range-measurement system, the range-measurement system include the laser range sensor for being set to X-axis stroke frame both ends, the laser ranging Sensor is connect with control system, is set with distance range, after automobile enters setting range, is made a sound alarm or is reminded vapour Vehicle parking, after parking of automobile, two laser range sensors are by the different distance numeric feedback of two detected monitoring points To controller, judge the relative dip angle of automobile and chassis, by control system control the rotation of W axis make the X-axis of mechanical arm with Tank car rear portion keeping parallelism；

   Alignment system, the alignment system are mounted on X-axis slide unit, and the alignment system includes mounting rack, industrial camera, light Source, industrial personal computer, the mounting rack are fixed on X-axis slide unit, and the light source and industrial camera are mounted on mounting rack, the industry Captured image information is fed back to industrial personal computer by camera, to judge the relative positional relationship of connection system Yu tank car interface, The industrial personal computer is connect with control system signal；

   Pipe-line system, the pipe-line system connect mechanical arm, pass through the position adjustment realization of mechanical arm and docking for tank car interface；

   Control system, the control system control mechanical arm for input/output signal to be handled and uploaded.
2. 2. automobile is unloaded automatic butt jointing device according to claim 1, it is characterised in that: the stroke of the X-axis assembly is double To symmetrical 0.6m, the stroke of the Y-axis assembly is 1m, and the stroke of the Z axis assembly is upper and lower 0.3m.
3. 3. automobile is unloaded automatic butt jointing device according to claim 1, it is characterised in that: pipe-line system includes connecting tube, even The lower interface of adapter tube is connect with trestle pipeline, and pipe end is fixed on the robotic arm for connecting with tank car interface, in connecting tube Equipped with rotary joint, motor-driven valve, level switch, heat tracing and attemperator.
4. 4. automobile is unloaded automatic butt jointing device according to claim 1, it is characterised in that: it further include purging attachment, it is described to blow It sweeps attachment and is mounted on instrument using hot-air blowing, including the first purging attachment and the second purging attachment, the first purging attachment The front end of arm is additionally provided with parking bracket, the stop for carrying out purging cleaning to tank car interface before and after docking on the chassis Erection is placed in when mechanical arm is in initial or reset state, connects system position, and the second purging attachment is mounted on On parking bracket, for after reset connection system component and connecting tube nozzle carry out purging cleaning.
5. 5. automobile is unloaded automatic butt jointing device according to claim 3, it is characterised in that: further include connection system, the company Welding system is mounted on the front side of crane, and the connection system includes connector housing, swagelok, contraposition sealing clamp, pulling force bullet Spring, the first rack gear, the second rack gear, the connector housing are fixed on the bottom of crane, driving gear are equipped on the connector housing, The driving gear driven by the connector servo motor that is fixed on connector housing, and first rack gear and the second rack gear are arranged side by side The front and rear sides of driving gear are set, and first rack gear and the second rack gear are meshed with driving gear, and the first rack gear It is slidably connected respectively with connector housing with the second rack gear, position and the sliding of corresponding first rack gear and the second rack gear on the connector housing Stroke is equipped with strip-type hole, and one end of first rack gear is fixed with the first connector, and second rack gear is far from the first connector One end be equipped with the second connector, first connector and the second connector extend through corresponding strip-type hole, the contraposition Sealing clamp includes two hood type handgrips being symmetrical set, the bottom end difference of first connector and the second connector It is fixedly connected with ipsilateral contraposition sealing clamp, for driving the folding of contraposition sealing clamp, the bottom of the connector housing is fixed Equipped with toroidal frame, the toroidal frame is two and is set side by side, and the middle part of the toroidal frame is equipped with mounting hole, the swagelok There are gap between penetrating mounting holes and the two, be fixed with annular air-pocket on the toroidal frame, the inner ring of the annular air-pocket with connect Head casing tube is in contact, and the tension spring is set between two toroidal frames, and one end of the tension spring is fixed on fitting sleeve The other end of Guan Shang, the tension spring are fixed on connector housing, and the front end of the swagelok is used to dock with tank car interface, The end of the swagelok with connecting tube for connecting.