CN111749109A

CN111749109A - Line grinding and plain painting device for training of driving school and use method

Info

Publication number: CN111749109A
Application number: CN202010732223.2A
Authority: CN
Inventors: 吴承章
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-07-24
Filing date: 2018-07-24
Publication date: 2020-10-09
Also published as: CN109306654B; CN109306654A

Abstract

The invention discloses a line grinding and painting supplementing device for driving school training and a using method thereof, the device comprises a liquid storage tank, the top of the liquid storage tank is provided with a line drawing port, the inner cavity of the line drawing port is provided with a liquid outlet filter screen, the bottom of the liquid storage tank is provided with a liquid inlet, the inner cavity of the liquid inlet is movably clamped with a leakproof plug, the inner cavity of the liquid storage tank is provided with an anti-precipitation device, the automatic liquid outlet and half-circle line drawing mode is adopted, the dotted lines at the parking positions of a car backing and a parking position at the side in a driving school field can be rapidly and accurately supplemented, the steps of deliberately controlling the liquid outlet amount and the liquid outlet time are omitted, on one hand, the efficiency of line supplementing is greatly improved, the normal training is not influenced, on the other hand, the construction time in severe hot weather is also reduced, the main function of a fan blade plate is to stir the liquid when the fan blade plate moves relatively, and the, meanwhile, the blade plates can also have the functions of scraping and cleaning the inner wall of the liquid storage tank.

Description

Line grinding and plain painting device for training of driving school and use method

The invention relates to a divisional application of line grinding and smoothing painting equipment for training in a driving school, which is invented by the application date of 2018, 07, 24 and the application number of CN 201810815210.4.

Technical Field

The invention relates to the technical field of road line drawing, in particular to a line grinding and smoothing painting device for training in driving schools and a using method thereof.

Background

Nowadays, with the continuous development of social economy and the continuous improvement of living standard of people, the pursuit of more and more people on the quality of life is correspondingly improved, in the aspect of going out, more and more people select to drive to go out, and the examination of a driving license at leisure time also becomes an indispensable energy-saving, and especially many people want to take the driving license within a certain time, and a large number of students can also practice the examination of the driving license at periods of cold and summer holidays and the like.

The driving license examination is generally divided into four subjects, wherein the practice and examination of the second subject are relatively basic and relatively difficult, and especially for beginners, therefore, when the trainees practice in driving schools, trainees generally can accurately find points and mark for the trainees in each examination item in a driving field, so as to help the trainees to quickly and accurately practice each item, the method is also commonly used in driving schools, simultaneously, the point positions found by each trainer are different, in the driving school practice field, a large number of trainees can repeatedly practice in each item every day, the line friction in the practice field is not clearly seen or even is ground when a large number of trainees practice, so that a great deal of inconvenience can be brought to the teaching of the trainees, meanwhile, the trainees can feel relatively hard to find points or can not find points, make the student the condition of line ball will appear when driving, but in the present condition, each lines in the driving place grinds to be flat and disappears after having had special people to go to repair very few, not only for coach's teaching has increased certain degree of difficulty, also for the student drives the car and has increased the degree of difficulty simultaneously, line ball repeated for a long time also is a strike to student's confidence, so need one kind promptly in driving school driving place can convenient operation simple carry out the equipment that road lines repaired.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a line grinding and smoothing painting device for training in a driving school, which solves the problem of inconvenience in painting on a driving road line.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a driving school is equipment for training flat benefit drawing of lines mill, includes the liquid reserve tank, the drawing mouth has been seted up at the top of liquid reserve tank, the inner chamber of drawing mouth is provided with out the liquid filter screen, the inlet has been seted up to the bottom of liquid reserve tank, the inner chamber activity joint of inlet has the leak protection stopper, the inner chamber of liquid reserve tank is provided with prevents deposiing the device.

Preferably, prevent deposiing the device including running through the liquid reserve tank openly with the sealing plug at back middle part, the front through connection of sealing plug has fixed cross axle, fixed cross axle is located the outside equidistance fixed welding of liquid reserve tank inner chamber and has the joint strip, the outside of joint strip has cup jointed prevents sinking a section of thick bamboo, the butt joint groove has been seted up to the inner wall equidistance of preventing sinking a section of thick bamboo, the outside equidistance welding of preventing sinking a section of thick bamboo has prevents sinking the strip, one side fixed welding that prevents sinking a section of thick bamboo was kept away from to prevent sinking the strip has the leaf board of fan, the setting-out board has.

Preferably, the positive middle part through connection of setting-out plate has the adjusting bolt, the equal fixed welding in bottom of the relative one side of setting-out plate has the layer board that props, the fixed welding in bottom of the relative one side of setting-out plate has the excision board, the middle part of the relative one side of setting-out plate is provided with flexible moving mechanism, the right side of the relative one side of setting-out plate is provided with the device of flattening, the fixed welding in one side that the setting-out plate is in opposite has carries the handle.

Preferably, the adjusting bolt is a threaded bolt, the adjusting bolt is sleeved on the outer side of the fixed cross shaft, the supporting plate is an arc-shaped plate, the width of the inner cavity of the supporting plate is equal to the thickness of the outer side of the liquid storage tank, and the bottom of the liquid storage tank is lapped on the top of the supporting plate.

Preferably, flexible moving mechanism includes flexible cover box, the inner chamber through connection of flexible cover box has movable loop bar, the top of the relative one side of movable loop bar has lifting gear through the gim peg fixed mounting, the fixed welding in back equidistance of flexible cover box inner wall has the location rack, the fixed welding in bottom of movable loop bar has the running-board, the bottom of running-board is provided with directional gyro wheel, flexible card hole has been seted up at the positive middle part of flexible cover box, the fixed welding in top of the relative one side of movable loop bar has the elasticity cardboard, the fixed welding in one side that the activity loop bar was kept away from to the elasticity cardboard has flexible gim peg.

Preferably, the device of flattening is including flattening the support, it all with the inner wall fixed connection of marking-out plate to flatten one side in opposite directions to flatten the support, the fixed welding in bottom of the relative one side of support has the cross axle of flattening, the outside of flattening the cross axle has cup jointed the cylinder of flattening, the fixed welding in left side of the relative one side bottom of support has the shovel board, the fixed welding in left side of shovel board has the joint groove, the inner chamber activity joint in joint groove has the joint board, the fixed welding in left side in joint groove has the recovery box.

Preferably, the front and the back of the outer side of the fixed transverse shaft are fixedly provided with push-pull handrails, one side of the fan blade plate, which is far away from the fixed transverse shaft, is lapped on the inner wall of the liquid storage tank, and the length and the width of the fan blade plate are equal to those of the liquid outlet filter screen.

Preferably, the length of the shoveling plate is greater than that of the rolling drum, and the right side of the shoveling plate is lapped outside the rolling drum.

(III) advantageous effects

The invention provides a line grinding and smoothing painting device for training of a driving school. The method has the following beneficial effects:

(1) this for driving school training lines grind plain benefit drawing equipment adopts the mode of automatic play liquid and half a circle marking off, can be fast accurate to the driving school place in the dotted line of backing a car warehouse entry and side position parking department mend the drawing, has left out the step of controlling out liquid measure and play liquid time deliberately, on the one hand great improvement mend the efficiency of setting-out line and not influence normal training, on the other hand has still reduced the hot weather engineering time.

(2) This drive school training is with lines grinding and is mended equipment for drawing, the primary action of two setting-out boards lies in the width that the dotted line was drawn in control, the flow direction of control setting-out liquid avoids causing liquid release too much to pollute and causes setting-out irregularity to look for when making the driving practice easily and take place the mistake, and the setting-out board can play according to leaving the vestige in the past and assist accurate location and avoid the setting-out to take place the skew effect simultaneously in the operation.

(3) This drive school training and use equipment for drawing is mended with lines mill, the main effect of flabellum board is stirred setting-out liquid in its relative motion that takes place, avoids setting-out liquid to take place the caking and causes the setting-out not smooth, and flabellum board closely pastes the liquid reserve tank inner wall simultaneously and carries out relative motion and can also play and scrape the effect of getting and cleaning the liquid reserve tank inner wall.

(4) This drive school training is with lines mill flat benefit equipment for drawing, the primary action of flattening device lies in will releasing the setting-out liquid on the road surface and rolls the shop-flat, will dock the setting-out liquid on the road surface and carry out the uniform treatment, and the device of flattening simultaneously can also carry out the adhesion with unnecessary setting-out liquid and retrieve, and resources are saved reduces the release amount of irritative smell on the one hand, can also make the setting-out dry faster simultaneously.

(5) This for driving school training lines grind flat benefit and draw equipment, flexible moving mechanism's main action lies in making things convenient for propulsion equipment to carry out the setting-out operation, can also save physical power when improving the setting-out efficiency, and flexible moving mechanism can also support the liquid reserve tank simultaneously and keep away from ground and draw the operation of solid line, reaches the function that the trade of virtual line and solid line was mended the drawing.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the anti-settling device of the present invention;

FIG. 3 is a side view of the anti-settling cylinder of the present invention;

FIG. 4 is a schematic structural view of the telescopic moving mechanism of the present invention;

FIG. 5 is a schematic view of the rolling device according to the present invention;

FIG. 6 is a schematic diagram of a shovel plate structure according to the present invention.

In the figure: 1 liquid storage tank, 101 line drawing port, 102 liquid outlet filter screen, 103 liquid inlet, 104 anti-leakage plug, 2 anti-settling device, 201 sealing plug, 202 fixed transverse shaft, 203 clamping bar, 204 anti-settling cylinder, 205 butt joint groove, 206 anti-settling bar, 207 leaf plate, 208 push-pull handrail, 3 line drawing plate, 301 adjusting bolt, 302 supporting plate, 303 cutting plate, 304 lifting handle, 4 telescopic moving mechanism, 401 telescopic sleeve box, 402 movable sleeve rod, 403 telescopic clamping bolt, 404 lifting gear, 405 positioning rack, 406 pedal, 407 directional roller, 408 telescopic clamping hole, 409 elastic clamping plate, 5 rolling device, 501 rolling bracket, 502 rolling transverse shaft, 503 rolling roller, 504 shoveling plate, 505 clamping groove, 506 clamping plate and 507 recovery box.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a driving school is equipment for training flat benefit drawing of lines mill, includes liquid reserve tank 1, and drawing line mouth 101 has been seted up at the top of liquid reserve tank 1, and the inner chamber of drawing line mouth 101 is provided with out liquid filter screen 102, and inlet 103 has been seted up to the bottom of liquid reserve tank 1, and the movable joint of inner chamber of inlet 103 has leak protection stopper 104, and the inner chamber of liquid reserve tank 1 is provided with prevents deposiing device 2.

The anti-sedimentation device 2 comprises a sealing plug 201 penetrating the middle parts of the front and the back of the liquid storage tank 1, a fixed cross shaft 202 penetrates the front of the sealing plug 201, push-pull handrails 208 are fixedly installed on the front and the back of the outer side of the fixed cross shaft 202, one side of a fan blade plate 207 far away from the fixed cross shaft 202 is lapped on the inner wall of the liquid storage tank 1, the length and the width of the fan blade plate 207 are equal to those of the liquid outlet filter screen 102, clamping strips 203 are fixedly welded on the outer side of the inner cavity of the liquid storage tank 1 at equal intervals on the fixed cross shaft 202, anti-sedimentation cylinders 204 are sleeved on the outer sides of the clamping strips 203, butt-joint grooves 205 are formed on the inner walls of the anti-sedimentation cylinders 204 at equal intervals, anti-sedimentation strips 206 are welded on the outer sides of the anti-sedimentation cylinders 204 at equal intervals, the fan blade plates 207 are fixedly welded on one sides of the anti-, the adjusting bolt 301 is threaded bolt, the adjusting bolt 301 cup joints in the outside of fixed cross axle 202, bracketing board 302 is the arc, the width and the 1 outside thickness of liquid reserve tank of bracketing board 302 inner chamber equal, the bottom overlap joint of liquid reserve tank 1 is at the top that props layer board 302, the equal fixed welding in bottom of the relative one side of setting-out plate 3 has and props layer board 302, the fixed welding in bottom of the relative one side of setting-out plate 3 has excision board 303, the middle part of the relative one side of setting-out plate 3 is provided with flexible moving mechanism 4, the right side of the relative one side of setting-out plate 3 is provided with flattening device 5, the fixed welding in the relative one side of setting-out.

The telescopic moving mechanism 4 comprises a telescopic sleeve box 401, an inner cavity of the telescopic sleeve box 401 is in through connection with a movable sleeve rod 402, a lifting gear 404 is fixedly mounted at the top of one side, opposite to the movable sleeve rod 402, of the movable sleeve rod 402 through a clamping bolt, positioning racks 405 are fixedly welded on the back of the inner wall of the telescopic sleeve box 401 at equal intervals, a pedal plate 406 is fixedly welded at the bottom of the movable sleeve rod 402, a directional roller 407 is arranged at the bottom of the pedal plate 406, a telescopic clamping hole 408 is formed in the middle of the front of the telescopic sleeve box 401, an elastic clamping plate 409 is fixedly welded at the top of one side, opposite to the movable sleeve rod 402, and a telescopic clamping.

The flattening device 5 comprises a flattening support 501, one opposite side of the flattening support 501 is fixedly connected with the inner wall of the line drawing plate 3, a flattening transverse shaft 502 is fixedly welded at the bottom of the opposite side of the flattening support 501, a flattening roller 503 is sleeved on the outer side of the flattening transverse shaft 502, a flattening plate 504 is fixedly welded at the left side of the bottom of the opposite side of the flattening support 501, the length of the flattening plate 504 is larger than that of the flattening roller 503, the right side of the flattening plate 504 is lapped at the outer side of the flattening roller 503, a clamping groove 505 is fixedly welded at the left side of the flattening plate 504, an inner cavity of the clamping groove 505 is movably clamped with a clamping plate 506, and a recovery box 507 is fixedly welded at the left side of the clamping groove 505.

The working principle is as follows: the anti-leakage plug 104 is opened, the line drawing liquid is poured into the inner cavity of the liquid storage tank 1 along the liquid inlet 103, the equipment is placed at a place where line drawing is needed, the equipment is placed in a right position along the last line mark, then the equipment is directly pushed to move by the push-pull handrail 208, the liquid storage tank 1 is attached to the road surface and moves relatively by friction force until the line drawing port 101 is moved to be attached to the road surface, the line drawing liquid flows out along the line drawing port 101 and drips onto the road surface, the line drawing liquid firstly filters large residues by the liquid outlet filter screen 102 and then discharges and draws lines, the inner space of the liquid storage tank 1 reversely moves relative to the fan blade plate 207 when the liquid storage tank 1 rotates, the fan blade plate 207 gradually shields the liquid outlet filter screen 102, the fan blade plate 207 scrapes the residual line drawing liquid on the inner wall of the liquid storage tank 1 while continuing to move, and the cleanliness of the inner wall of the liquid storage tank 1 is constantly kept, before scribing, the scribing width can be adjusted according to the previous tightening, the adjusting bolt 301 is rotated, the baffle plate on the opposite side of the adjusting bolt 301 is provided with the animation line plate 3 to move away relatively, the scribing plate 3 drives the supporting plate 302 to move away from each other to expose a part of the scribing port 101, so that the part is the width of a drawn line, after the scribing liquid falls to the ground, the cutting plate 303 is tightly attached to the road surface, the center of a scribing liquid box at the edge of the drawn line is squeezed and gathered, the line is prevented from extending and widening, meanwhile, along with the continuous movement of the equipment, the flattening device 5 moves to the drawn line, the flattening roller 503 is tightly attached to the road surface to squeeze and flatten the line, meanwhile, the redundant scribing liquid can be adhered to the outer surface of the flattening roller 503, the outer surface of the flattening roller 503 is constantly kept in contact with the flattening plate 504, the flattening plate 504 scrapes and recovers the redundant scribing liquid adhered to the surface of the flattening roller 503, when a straight line needs to be drawn, the pedal 406 is directly stepped downwards, the pedal 406 drives the movable sleeve rod 402 to move downwards, the movable sleeve rod 402 drives the elastic clamping plate 409 and the telescopic clamping bolt 404 to move to the inner cavity of the telescopic clamping bolt 404 clamped in the telescopic clamping hole 408, after the movement is completed, the liquid storage tank 1 is supported to be far away from the ground, the position of the line drawing opening 101 is adjusted, and the device can be directly pushed to perform the supplementary drawing of a solid line.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a driving school is equipment for training flat mends drawing with lines mill, includes liquid reserve tank (1), its characterized in that: the top of the liquid storage tank (1) is provided with a drawing port (101), the inner cavity of the drawing port (101) is provided with a liquid outlet filter screen (102), the bottom of the liquid storage tank (1) is provided with a liquid inlet (103), the inner cavity of the liquid inlet (103) is movably clamped with a leakage-proof plug (104), and the inner cavity of the liquid storage tank (1) is provided with an anti-precipitation device (2);

the anti-settling device (2) comprises a sealing plug (201) penetrating through the front and the middle of the back of the liquid storage tank (1), the front of the sealing plug (201) is connected with a fixed cross shaft (202) in a penetrating manner, the fixed cross shaft (202) is positioned on the outer side of the inner cavity of the liquid storage tank (1) and fixedly welded with clamping strips (203) at equal intervals, the outer side of each clamping strip (203) is sleeved with an anti-settling cylinder (204), the inner wall of each anti-settling cylinder (204) is provided with a butt joint groove (205) at equal intervals, the outer side of each anti-settling cylinder (204) is welded with anti-settling strips (206) at equal intervals, one side of each anti-settling strip (206) far away from each anti-settling cylinder (204) is fixedly welded with a fan blade plate (207);

the adjusting bolt (301) penetrates through the middle of the front face of the line drawing plate (3), supporting plates (302) are fixedly welded at the bottom of one side, opposite to the line drawing plate (3), cutting plates (303) are fixedly welded at the bottom of one side, opposite to the line drawing plate (3), a telescopic moving mechanism (4) is arranged at the middle of one side, opposite to the line drawing plate (3), a flattening device (5) is arranged at the right side of one side, opposite to the line drawing plate (3), and a lifting handle (304) is fixedly welded at one side, opposite to the line drawing plate (3);

the telescopic moving mechanism (4) comprises a telescopic sleeve box (401), a movable sleeve rod (402) is connected to an inner cavity of the telescopic sleeve box (401) in a penetrating mode, a lifting gear (404) is fixedly mounted at the top of one side, opposite to the movable sleeve rod (402), of the movable sleeve rod, positioning racks (405) are fixedly welded on the back of the inner wall of the telescopic sleeve box (401) at equal intervals, pedal plates (406) are fixedly welded at the bottom of the movable sleeve rod (402), directional idler wheels (407) are arranged at the bottom of the pedal plates (406), telescopic clamping holes (408) are formed in the middle of the front of the telescopic sleeve box (401), elastic clamping plates (409) are fixedly welded at the top of one side, opposite to the movable sleeve rod (402), and telescopic clamping bolts (403) are fixedly welded on one side, away from the movable sleeve rod (.

2. The line grinding and smoothing painting device for training of the driving school according to claim 1, wherein: adjusting bolt (301) are threaded bolt, adjusting bolt (301) cup joint in the outside of fixed cross axle (202), prop layer board (302) and be the arc, the width that props layer board (302) inner chamber equals with liquid reserve tank (1) outside thickness, the bottom overlap joint of liquid reserve tank (1) is at the top of propping layer board (302).

3. The line grinding and smoothing painting device for training of the driving school according to claim 1, wherein: flattening device (5) are including flattening support (501), flattening support (501) one side in opposite directions all with the inner wall fixed connection of setting-out board (3), the bottom fixed weld of flattening support (501) one side relatively has flattening cross axle (502), the outside of flattening cross axle (502) has cup jointed flattening cylinder (503), the left side fixed weld of flattening support (501) one side relatively bottom has dull and stereotyped (504), the left side fixed weld of dull and stereotyped (504) has joint groove (505), the inner chamber activity joint of joint groove (505) has joint board (506), the left side fixed weld of joint groove (505) has recovery box (507).

4. The line grinding and smoothing painting device for training of the driving school according to claim 1, wherein: the front and the back of the outer side of the fixed transverse shaft (202) are fixedly provided with push-pull handrails (208), one side of the fan blade plate (207) far away from the fixed transverse shaft (202) is lapped on the inner wall of the liquid storage tank (1), and the length and the width of the fan blade plate (207) are equal to those of the liquid outlet filter screen (102).

5. The line grinding and smoothing painting device for training of the driving school according to claim 3, wherein: the length of the shovel plate (504) is larger than that of the rolling roller (503), and the right side of the shovel plate (504) is lapped on the outer side of the rolling roller (503).

6. The line grinding and smoothing painting device and the using method for the training of the driving school according to any one of claims 1 to 5, wherein: when the line drawing device is used, the anti-leakage plug (104) is opened, line drawing liquid is poured into the inner cavity of the liquid storage box (1) along the liquid inlet (103), the device is placed at a place where line drawing is needed, the device is rightly placed along the last line trace, then the device is directly pushed to move through the push-pull handrail (208), the liquid storage box (1) is attached to the road surface and moves relatively by using friction force, until the line drawing port (101) moves to be attached to the road surface, the line drawing liquid flows out along the line drawing port (101) and drops on the road surface, the line drawing liquid firstly filters large residues through one-time filtration of the liquid outlet filter screen (102) and then discharges the line drawing, when the liquid storage box (1) rotates, the inner space of the liquid storage box carries out reverse motion relative to the fan blade plate (207), the fan blade plate (207) gradually shields the liquid outlet filter screen (102) and continues to move, the residual line drawing liquid on the inner wall of the liquid storage box (1) is scraped by the fan blade plate (207), the cleanliness of the inner wall of the liquid storage box (1) is kept all the time, the line drawing width can be adjusted according to the previous time before line drawing, the adjusting bolt (301) is rotated, the baffle plate on one side opposite to the adjusting bolt (301) is provided with the animation line plate (3) to move away relatively, the line drawing plate (3) drives the supporting plate (302) to move away from each other to expose a part of the line drawing port (101) to be the width of a drawn line, the cutting plate (303) is tightly attached to the road surface after the line drawing liquid falls to the ground and extrudes and draws the centers of the line drawing liquid boxes at the edge of the drawn line, the line is kept not extended and widened, the rolling device (5) moves to the drawn line along with the continuous movement of equipment, the rolling roller (503) is tightly attached to the road surface to move to extrude and lay the line flat, meanwhile, redundant line drawing liquid can be adhered to the outer surface of a rolling roller (503), the outer surface of the rolling roller (503) is constantly kept in contact with a shoveling plate (504), the shoveling plate (504) scrapes and recovers the redundant line drawing liquid adhered to the surface of the rolling roller (503), when a straight line needs to be drawn, a pressing foot pedal (406) is directly stepped downwards, the pedal (406) drives a movable sleeve rod (402) to move downwards, the movable sleeve rod (402) drives an elastic clamping plate (409) and a telescopic clamping bolt (404) to move until the telescopic clamping bolt (404) is clamped in an inner cavity of a telescopic clamping hole (408), after the straight line drawing is completed, a liquid storage tank (1) is supported to be far away from the ground, the position of a line drawing opening (101) is adjusted, and the device can be directly pushed to perform solid line supplementary drawing.