CN111957706B

CN111957706B - Special workshop for oil drainage of scraped vehicle and oil drainage process thereof

Info

Publication number: CN111957706B
Application number: CN202010740221.8A
Authority: CN
Inventors: 李炜
Original assignee: Beijing Tianjiao Scrap Car Recycling Co ltd
Current assignee: Beijing Tianjiao Scrap Car Recycling Co ltd
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2022-09-06
Anticipated expiration: 2040-07-28
Also published as: CN111957706A

Abstract

The application relates to a special workshop for oil drainage of scrapped vehicles and an oil drainage process thereof, wherein the special workshop comprises a workshop body and an oil removal device arranged in the workshop body, and an air inlet and an air outlet are formed in the workshop body; the oil removing device comprises a plurality of sections of ventilation pipelines, gas-collecting hoods which are formed on the ventilation pipelines and arranged towards the ground, and an oil-gas collecting device arranged between the adjacent ventilation pipelines, wherein the ventilation pipeline positioned at one end is communicated with the air outlet, the ventilation pipeline positioned at the other end is fixed with the inner wall of the workshop body, and a fan is arranged in one ventilation pipeline. This application has the effect that reduces the pollution that fluid volatilizees and cause atmospheric environment.

Description

Special workshop for oil drainage of scrapped vehicle and oil drainage process thereof

Technical Field

The application relates to the field of scraped car disassembly, in particular to a special workshop for scraped car oil drainage and an oil drainage process thereof.

Background

With the rapid development of society, automobiles are widely applied to people's trips, and the quality and the efficiency of people's trips are greatly improved through the use of the automobiles. China is a large number of automobile-keeping countries, data display shows that by 2020, more than 1000 thousands of retired automobiles in China are processed and utilized, and the increasingly huge wasted automobiles are not only required for protecting the environment, but also required for realizing the economic strategy development of comprehensive utilization of resources and economic sustainable development.

The treatment of the scraped car mainly comprises the following steps: registering and accepting, inspecting external conditions, pretreating (discharging clean oil, disassembling combustible and explosive parts firstly), totally disassembling, disassembling assemblies and essential parts of each assembly, and inspecting and classifying. The scrapped automobile is disassembled according to the principle that an assembly is disassembled from the whole automobile, then the assembly is disassembled into parts, and finally the parts are disassembled into parts from the parts.

Because the ageing degree of each part of scraped car is higher, consequently, dismantlement and the in-process oil leak that the operation of punching before the oil drain probably caused the oil drain, lead to the oil to volatilize to the air in, cause the pollution to the atmospheric environment, simultaneously, if when the oil gas that volatilizees to in the air reaches certain concentration, still easily arouse incident such as explosion when meeting naked light.

In view of the above-mentioned related art, the inventors consider that there is a drawback of causing pollution to the atmospheric environment.

Disclosure of Invention

In order to reduce the pollution to the atmospheric environment caused by oil volatilization, the application provides a special workshop for oil drainage of scraped vehicles and an oil drainage process thereof.

First aspect, this application provides a special workshop of scraped vehicle oil drain, adopts following technical scheme:

a special workshop for oil drainage of scraped vehicles comprises a workshop body and an oil removing device arranged in the workshop body, wherein an air inlet and an air outlet are formed in the workshop body;

the oil removing device comprises a plurality of sections of ventilation pipelines, gas-collecting hoods which are formed on the ventilation pipelines and arranged towards the ground, and an oil-gas collecting device arranged between the adjacent ventilation pipelines, wherein the ventilation pipeline positioned at one end is communicated with the air outlet, the ventilation pipeline positioned at the other end is fixed with the inner wall of the workshop body, and a fan is arranged in one ventilation pipeline.

Through adopting above-mentioned technical scheme, because scrapped vehicle carries out the oil drain operation in special workshop, therefore, even if oil gas volatilizees, also only go on in this space, can not spread in the atmosphere, and simultaneously, at the in-process of oil drain, the accessible fan is pumped, make external fresh air can be continuous enter into this internally to the workshop, not only can guarantee this internal air quality in workshop, can also carry this internal original air in workshop and oil gas entering air pipe, then deoil through oil gas collection device, greatly reduced fluid volatilizees the possibility that causes the pollution to the atmospheric environment.

Preferably, the both ends of air pipe rigid coupling respectively have along the end plate of air pipe outline round setting, through bolt fixed connection between the end plate of two adjacent air pipe tip, the oil gas collection device is installed between the both ends board of two adjacent air pipe.

Through adopting above-mentioned technical scheme, as required, can dismantle the air pipe and wash or change.

Preferably, the oil gas collecting device comprises an adsorption component arranged between two adjacent end plates and an oil collecting box arranged right below the adsorption component;

set up the mounting groove that supplies the absorption subassembly to place on the end plate, one side that the mounting groove is located directly over the collection oil box is equipped with the oil leak mouth.

Through adopting above-mentioned technical scheme, assemble on adsorption component and liquefied fluid can be in the collection oil box through the oil leak mouth drippage.

Preferably, the adsorption component comprises a partition plate and oil absorption cotton glued on two sides of the partition plate, and a plurality of meshes are formed in the partition plate;

a pair of positioning columns penetrating through the partition plate and the oil absorption cotton are fixedly connected in the mounting groove at one end of the air pipe, and positioning holes for the positioning columns to stretch into are formed in the end plate at the other end of the air pipe.

By adopting the technical scheme, during installation, the partition plate and the oil absorption cotton are hung on the positioning column, when the end plates of the two adjacent ventilation pipelines are in butt joint, the positioning column is inserted into the positioning hole, and the positioning column and the positioning hole are mutually matched, so that the adsorption component can be limited, and the two adjacent ventilation pipelines can be positioned; when the air current passes through the absorption subassembly, the oil gas in the air is adsorbed, is filtered by the oil absorption cotton.

Preferably, a connecting assembly for connecting the partition plate and the oil collecting box is arranged between the partition plate and the oil collecting box;

the connecting assembly comprises a pair of screw rods fixedly connected to the side edges of the partition plate and connecting plates welded to the oil collecting box and in one-to-one correspondence with the two screw rods, through holes are formed in the connecting plates, the oil collecting box penetrates through the through holes through the screw rods and is covered outside the oil leakage opening in a nut fixing mode, and the upper edge of the oil collecting box is abutted to the outer wall of the ventilating duct.

By adopting the technical scheme, during installation, the screw rod only needs to penetrate through the through hole in the connecting plate and then is fixed through the nut; when the oil collecting box is disassembled, the nut is only required to be unscrewed, and then the oil collecting box is taken down, so that the operation is very convenient; meanwhile, when the oil absorption of the oil absorption cotton is saturated, the oil can be gradually gathered at the bottom of the oil absorption cotton and is dripped into the oil collecting box after being guided by the screw, and due to the long-term lubrication of the oil, the possibility that the screw and the nut are rusted is greatly reduced.

Preferably, still include the lift platform and the oil drainage integral type device that punch that set up in the workshop.

Through adopting above-mentioned technical scheme, can carry out the oil drain operation to scrapped vehicle.

Preferably, the lifting platform comprises a bottom plate, a platform plate located right above the bottom plate and a lifting cylinder arranged between the bottom plate and the platform plate and used for lifting the scrapped vehicle hoisted to the platform plate, and a space for operation of the punching and oil discharging integrated device is reserved on the platform plate.

Through adopting above-mentioned technical scheme, the in-process accessible lift cylinder of oil discharge comes to carry out the lifting to scrapped vehicle, and the in-process of lifting, fluid can flow in the oil tank to better flow to connect in the oil hopper.

Preferably, the integral type device of putting oil that punches includes the loading board, is located the layer board directly over the loading board, connects the jacking cylinder between loading board and layer board, fixes gear motor on the layer board, installs at the drill bit of gear motor output and vertical setting and the cover establish the drill bit outside and with the drill bit between the rotation seal connect the oil fill, connect the intercommunication to have defeated oil pipe on the oil fill, defeated oil pipe's free end links into in the reservoir.

Through adopting above-mentioned technical scheme, during the oil drain, start gear motor and jacking cylinder, make the drill bit constantly rise at rotatory in-process, bore the oil tank up to and wear, make the oil flow to connect in the oil hopper, then carry to the storage vessel along defeated oil pipe in, realize the oil drain operation.

Preferably, the self-locking caster is installed at one end, far away from the jacking cylinder, of the bearing plate.

Through adopting above-mentioned technical scheme, as required, the staff can remove the integral type device of blowing of holing.

In a second aspect, the application provides an oil drain process for draining oil in a special workshop using scraped vehicles, which adopts the following technical scheme:

an oil drainage process for draining oil by using a special workshop for draining oil of scrapped vehicles comprises the following steps:

s1: transporting the scrapped vehicle into the workshop body, and closing the door body;

s2: placing the scrapped vehicle on a lifting platform through lifting equipment;

s3: starting a fan to enable air in the workshop body to continuously rush into the ventilation pipeline and circulate with the outside, wherein when fresh air enters the workshop body, the fresh air can carry the air or oil gas in the workshop body from bottom to top and enter the ventilation pipeline together for deoiling treatment;

s4: starting a speed reduction motor and a jacking cylinder to enable a drill bit to continuously rise in the rotating process until the drill bit stops working after an oil tank is drilled through, and enabling oil to flow into an oil receiving hopper from the oil tank and then flow into a storage container through an oil conveying pipe;

s5: and (4) moving the punching and oil discharging integrated device away to finish oil discharging operation.

Through adopting above-mentioned technical scheme, make external fresh air continuous circulation to this internally of workshop through the fan in this application to carry this internal air of workshop or oil gas together to get into ventilation pipe and remove oil and handle, greatly reduced fluid volatilizees the pollution that causes atmospheric environment.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the scrapped vehicle is subjected to oil drainage operation in a special workshop, so that even if oil gas volatilizes, the oil gas volatilizes and is only carried out in the space, the oil gas can not be diffused into the atmosphere, meanwhile, in the oil drainage process, the air can be pumped by the fan, so that the external fresh air can continuously enter the workshop body, the air quality in the workshop body can be ensured, the original air and the oil gas in the workshop body can be carried into the ventilation pipeline, and then the oil gas is removed by the oil gas collecting device, so that the possibility of pollution of the oil gas volatilization to the atmospheric environment is greatly reduced;

2. the screw in the connecting assembly can play a role in mounting the oil collecting box, and can guide the oil when the oil absorption of the oil absorbing cotton is saturated, so that the oil drops in the oil collecting box; meanwhile, due to the structural design, the possibility of rusting of the screw rod due to long-term lubrication of oil is reduced, and the service life is prolonged.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a dedicated plant according to an embodiment of the present application;

FIG. 2 is a sectional view showing positions of a ventilating duct, a lifting platform and a punching and oil discharging integrated device in a special workshop;

FIG. 3 is a schematic structural view of an oil removing device composed of a plurality of sections of ventilation ducts;

fig. 4 is an exploded schematic view showing the positional relationship between adjacent ventilation ducts and the oil and gas collecting device;

FIG. 5 is an exploded view showing the specific construction of the oil and gas collecting apparatus;

FIG. 6 is a schematic structural view showing that the partition plate and the oil collection box are connected by the connection assembly;

FIG. 7 is a schematic structural diagram showing the positional relationship between a lifting platform and a punching and oil discharging integrated device after a workshop body and an oil removing device are hidden;

FIG. 8 is a schematic view showing a specific structure of the integrated punching and oil discharging device;

fig. 9 is a partially enlarged schematic view of a portion a in fig. 8.

Description of reference numerals: 1. a workshop body; 11. a door body; 12. an air inlet; 13. an air outlet; 2. a lifting platform; 21. a base plate; 22. a platform plate; 23. a lifting cylinder; 3. punching and oil discharging integrated device; 31. a carrier plate; 32. self-locking casters; 33. a support plate; 34. jacking a cylinder; 35. a reduction motor; 36. a drill bit; 361. an oil leakage groove; 37. an oil receiving hopper; 38. an oil delivery pipe; 39. a storage container; 4. a ventilation duct; 41. a gas-collecting hood; 42. an end plate; 421. mounting grooves; 422. an oil leakage port; 423. a positioning column; 5. a fan; 6. an oil and gas collection device; 61. an adsorption component; 611. a partition plate; 612. oil absorbing cotton; 62. an oil collecting box; 63. a cover plate; 7. a connecting assembly; 71. a screw; 72. a connecting plate; 74. and a nut.

Detailed Description

The present application is described in further detail below with reference to figures 1-9.

The embodiment of the application discloses special workshop of scraped vehicle oil drain. Referring to fig. 1 and 2, the special workshop includes workshop body 1, install the deoiling device in workshop body 1, lifting platform 2 of setting in the workshop and with the integrated device 3 of the oil drain that punches that lifting platform 2 cooperation was used, during the operation, transport scrapped vehicle to workshop body in earlier, then hang scrapped vehicle through lifting by crane equipment and put on lifting platform 2, after taking one's place, open the deoiling device, punch through the integrated device 3 of the oil drain that punches, so that fluid flows out from the oil tank, accomplish the oil drain operation.

Since the scrapped vehicle is subjected to the oil drain operation in the workshop body 1, even if oil gas is volatilized, the oil gas is only evaporated in the space and cannot be diffused into the atmosphere.

A door body 11 which is convenient for people and vehicles to get in and out is installed on one side of the workshop body 1. The workshop body 1 is also provided with an air inlet 12 and an air outlet 13, the air inlet 12 and the air outlet 13 are arranged on two opposite wall bodies of the workshop body 1, the air inlet 12 is arranged on the workshop body 1 and is close to the ground, and the air outlet 13 is arranged on the workshop body 1 and is close to the top; the oil removing device comprises a plurality of sections of ventilating ducts 4 which are sequentially communicated, the ventilating ducts 4 at one end extend into the air outlet 13 to be communicated with the outside, and the end parts of the ventilating ducts 4 at the other end are abutted and fixed on the inner wall of the workshop body 1.

Referring to fig. 2 and 3, a fan 5 is installed in one of the ventilation ducts 4, and more specifically, the fan 5 is installed in the ventilation duct 4 near one end of the air outlet 13. The ventilation duct 4 is integrally formed with a gas collecting hood 41 which is arranged towards the ground, and oil gas volatilized in the workshop body 1 can enter the ventilation duct 4 through the gas collecting hood 41.

Two ends of each ventilating duct 4 are respectively fixedly connected with end plates 42 arranged along the outer contour of the ventilating duct 4 in a circle, and the two end plates 42 at the end parts of two adjacent ventilating ducts 4 are fixedly connected through bolts.

Referring to fig. 4, an oil-gas collecting device 6 is installed between two adjacent end plates 42 of adjacent ventilation ducts 4, and is used for adsorbing and collecting oil gas entering the ventilation ducts 4, so as to prevent the oil gas from being discharged to the atmosphere through the air outlet 13.

Referring to fig. 4 and 5, the oil gas collecting device 6 includes an adsorption member 61 installed between the adjacent end plates 42 and a sump case 62 disposed directly below the adsorption member 61; the absorption component 61 comprises a partition 611 and oil absorption cotton 612 adhered to two sides of the partition 611, the partition 611 is provided with a plurality of meshes for air flow to pass through, and activated carbon powder can be filled between the two layers of oil absorption cotton 612 for absorbing pungent odor.

The end plate 42 is provided with a mounting groove 421 for the adsorption component 61 to be placed, one side of the mounting groove 421 located right above the oil collecting box 62 is provided with an oil leakage port 422, and oil can drip along the oil leakage port 422 to the oil collecting box 62 for collection after flowing down from the adsorption component 61. The rigid coupling has a pair of reference column 423 that passes baffle 611 and the cotton 612 of oil absorption in the mounting groove 421 of every section air pipe 4 one end, set up the locating hole that supplies reference column 423 to stretch into on the end plate 42 of every section air pipe 4 other end, during the installation, hang baffle 611 and the cotton 612 of oil absorption on reference column 423, when the end plate 42 butt joint of two adjacent air pipe 4, reference column 423 is pegged graft to in the locating hole, mutually support between reference column 423 and the locating hole, not only can carry on spacingly to adsorption component 61, can also fix a position two adjacent air pipe 4.

Referring to fig. 5 and 6, the length of the oil collection box 62 is greater than the width of the ventilation duct 4, the oil collection box 62 is hollow and has an opening on one side, and the setting direction of the opening is the same as the width direction of the ventilation duct 4. A connecting assembly 7 for connecting the partition 611 and the oil collecting box 62 is arranged between the partition 611 and the oil collecting box 62, the connecting assembly 7 comprises a pair of screws 71 fixedly connected to the side edges of the partition 611 and connecting plates 72 welded to the oil collecting box 62 and corresponding to the two screws 71 one by one, the connecting plates 72 are lower than the upper edge of the oil collecting box 62, through holes are formed in the connecting plates 72, the screws 71 penetrate through the through holes and are fixed through nuts 74, the oil collecting box 62 is covered outside the oil leakage port 422, and the upper edge of the oil collecting box 62 abuts against the outer wall of the ventilation pipeline 4.

In order to ensure the sealing performance after the oil collecting box 62 is tightly abutted against the ventilation duct 4, cover plates 63 are respectively additionally arranged at the positions of the oil collecting box 62 close to the two ends, so that a sealing space is formed inside the oil collecting box 62, and rubber strips can be bonded at the upper edge of the oil collecting box 62 according to requirements.

When the fan 5 is started, oil gas volatilized in the workshop body 1 enters the ventilation pipeline 4 together with the airflow from the gas collecting hood 41, the oil gas mixed in the airflow is adsorbed and filtered layer by the oil absorption cotton 612 when passing through the plurality of groups of adsorption components 61, and finally the air is discharged from the air outlet 13; meanwhile, the outside fresh air continuously circulates to the workshop body 1 through the air inlet 12, and the air inlet 12 is arranged close to the ground, so that when the fresh air enters the workshop body 1, the fresh air can carry oil gas from bottom to top to enter the ventilation pipeline 4 together, and a better oil removing effect is achieved.

Referring to fig. 7, the lifting platform 2 includes a bottom plate 21, a platform plate 22 located right above the bottom plate 21, and a lifting cylinder 23 installed between the bottom plate 21 and the platform plate 22, where the lifting cylinder 23 is mainly used to lift a scrapped vehicle lifted onto the platform plate 22 for oil drainage at a later stage. The platform plate 22 is a frame-shaped structure, and a space for the punching and oil discharging integrated device 3 to operate is reserved in the middle.

Referring to fig. 8 and 9, the punching and oil discharging integrated device 3 includes a bearing plate 31, a self-locking caster 32 is installed on one side of the bearing plate 31, and a worker can move the punching and oil discharging integrated device 3 as needed. Supporting plate 33 is arranged right above bearing plate 31, jacking cylinder 34 is connected between bearing plate 31 and supporting plate 33, and jacking cylinder 34 can lift supporting plate 33. Install gear motor 35 on the layer board 33, the drill bit 36 of vertical setting is installed through morse's taper fit's principle to gear motor 35's output, has seted up annular oil leak groove 361 on the drill bit 36.

During operation, the speed reducing motor 35 and the jacking cylinder 34 are started simultaneously, so that the drill bit 36 can continuously rise in the rotating process, and the oil tank is punched.

An oil receiving hopper 37 is sleeved outside the drill bit 36, and the oil receiving hopper 37 and the drill bit 36 are rotationally sealed through mechanical sealing. An oil delivery pipe 38 is communicated with the oil receiving hopper 37, the free end of the oil delivery pipe 38 is connected into a storage container 39, and when the oil receiving hopper is designed, the oil delivery pipe 38 with a sufficient length is reserved so that the oil delivery pipe 38 can lift along with the jacking cylinder 34. After drilling is completed, the oil flows along the drill 36 into the oil receiving bucket 37 under the action of gravity, and then is injected into the storage container 39 through the oil delivery pipe 38.

The embodiment of the application also discloses an oil drainage process for draining oil in a special workshop using the oil drainage of scraped vehicles, which comprises the following steps:

s1: transporting the scrapped vehicle to a special workshop, and closing the door body 11;

s2: placing the scrapped vehicle on the lifting platform 2 through lifting equipment;

s3: starting the fan 5 to enable air in the workshop body 1 to continuously rush into the ventilation pipeline 4 and circulate with the outside, wherein when fresh air enters the workshop body 1, the fresh air can carry the air or oil gas in the workshop body 1 from bottom to top to enter the ventilation pipeline 4 together for deoiling treatment;

s4: starting a speed reducing motor 35 and a jacking cylinder 34 to enable a drill bit 36 to continuously rise in the rotating process until the oil tank is drilled through and then the operation is stopped, so that oil flows into an oil receiving hopper 37 from the oil tank and then flows into a storage container 39 through an oil conveying pipe 38;

s5: and (4) moving the punching and oil discharging integrated device 3 away to finish oil discharging operation.

In the application, the outside fresh air is continuously circulated into the workshop body 1 through the fan 5, and carries oil gas to enter the ventilation pipeline 4 together for oil removal treatment; when the gas passes through the plurality of groups of adsorption components 61, the oil absorption cotton 612 performs layer-by-layer adsorption filtration on the oil gas mixed in the gas flow, and when the oil absorption of the oil absorption cotton 612 is saturated, the oil can be collected through the oil collecting box 62, so that the pollution to the atmospheric environment caused by oil volatilization is greatly reduced.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a special workshop of scraped car oil drain which characterized in that: the workshop body (1) is provided with an air inlet (12) and an air outlet (13);

the oil removing device comprises a plurality of sections of ventilation pipelines (4), gas collecting hoods (41) which are formed on the ventilation pipelines (4) and arranged towards the ground, and an oil gas collecting device (6) arranged between the adjacent ventilation pipelines (4), wherein the ventilation pipeline (4) positioned at one end is communicated with the air outlet (13), the ventilation pipeline (4) positioned at the other end is fixed with the inner wall of the workshop body (1), and a fan (5) is arranged in one ventilation pipeline (4);

end plates (42) arranged along the outer contour of the ventilation pipeline (4) in a circle are fixedly connected to two ends of the ventilation pipeline (4) respectively, the end plates (42) at the end parts of two adjacent ventilation pipelines (4) are fixedly connected through bolts, and the oil gas collecting device (6) is arranged between the two end plates (42) of the two adjacent ventilation pipelines (4);

the oil gas collecting device (6) comprises an adsorption component (61) arranged between two adjacent end plates (42) and an oil collecting box (62) arranged right below the adsorption component (61); an installation groove (421) for placing the adsorption component (61) is formed in the end plate (42), and an oil leakage port (422) is formed in one side, located right above the oil collecting box (62), of the installation groove (421);

the adsorption component (61) comprises a partition plate (611) and oil absorption cotton (612) adhered to two sides of the partition plate (611), and a plurality of meshes are formed in the partition plate (611);

a pair of positioning columns (423) penetrating through the partition plate (611) and the oil absorption cotton (612) are fixedly connected in the mounting groove (421) at one end of the ventilation pipeline (4), during mounting, the partition plate (611) and the oil absorption cotton (612) are hung on the positioning columns (423), and a positioning hole for the positioning columns (423) to extend into is formed in the end plate (42) at the other end of the ventilation pipeline (4);

the device also comprises a lifting platform (2) arranged in the workshop and a drilling and oil discharging integrated device (3); punching oil drain integral type device (3) include loading board (31), be located layer board (33) directly over loading board (31), connect jacking cylinder (34) between loading board (31) and layer board (33), fix gear motor (35) on layer board (33), install drill bit (36) and the cover that sets up at gear motor (35) output and vertical and establish drill bit (36) outside and with drill bit (36) between rotate sealed connect oil fill (37), it has defeated oil pipe (38) to connect intercommunication on oil fill (37), in the free end of defeated oil pipe (38) links into reservoir (39), annular oil leak groove (361) have been seted up on drill bit (36).

2. The special workshop for oil drainage of the scrapped vehicles according to claim 1, wherein: a connecting component (7) for connecting the clapboard (611) and the oil collecting box (62) is arranged between the clapboard and the oil collecting box;

the connecting assembly (7) comprises a pair of screws (71) fixedly connected to the side edge of the partition plate (611) and connecting plates (72) welded to the oil collecting box (62) and corresponding to the two screws (71) one by one, through holes are formed in the connecting plates (72), the oil collecting box (62) penetrates through the through holes through the screws (71) and is covered outside the oil leakage port (422) in a fixing mode through nuts (74), and the upper edge of the oil collecting box (62) abuts against the outer wall of the ventilation pipeline (4).

3. The special workshop for oil drainage of the scrapped vehicles according to claim 1, wherein: lifting platform (2) include bottom plate (21), be located platform board (22) directly over bottom plate (21) and install between bottom plate (21) and platform board (22) and carry out the lift cylinder (23) that lifts with the scrapped vehicle of hoist to platform board (22), reserve the space that supplies to punch oil drain integral type device (3) operation on platform board (22).

4. The special oil drain workshop for the scraped vehicles according to claim 1, wherein: and a self-locking caster (32) is installed at one end, far away from the jacking cylinder (34), of the bearing plate (31).

5. An oil drainage process for draining oil by using the special workshop according to claim 1, which is characterized by comprising the following steps of:

s1: transporting the scrapped vehicle into the workshop body (1), and closing the door body (11);

s2: placing the scrapped vehicle on a lifting platform (2) through lifting equipment;

s3: the air blower (5) is started, so that air in the workshop body (1) is continuously flushed into the ventilation pipeline (4) and circulates with the outside, and when fresh air enters the workshop body (1), the fresh air can carry the air or oil gas in the workshop body (1) from bottom to top and enters the ventilation pipeline (4) together for oil removal treatment;

s4: starting a speed reducing motor (35) and a jacking cylinder (34) to enable a drill bit (36) to continuously rise in the rotating process until the drill bit stops working after an oil tank is drilled through, and enabling oil to flow into an oil receiving hopper (37) from the oil tank and then flow into a storage container (39) through an oil conveying pipe (38);

s5: and (4) moving the punching and oil discharging integrated device (3) away to finish oil discharging operation.