CN214497138U

CN214497138U - Road is widened and is used location marking device with adjustable

Info

Publication number: CN214497138U
Application number: CN202120229146.9U
Authority: CN
Inventors: 杨凯; 刘建安; 王维; 陈美�; 罗龙华
Original assignee: Sichuan Yahe Construction Engineering Co ltd
Current assignee: Sichuan Yahe Construction Engineering Co ltd
Priority date: 2021-01-27
Filing date: 2021-01-27
Publication date: 2021-10-26
Anticipated expiration: 2031-01-27

Abstract

The utility model discloses an adjustable road is widened and is used location marking device, including the box, the utility model discloses when using, stir coating through the mutually supporting between first bevel gear, second bevel gear, the bull stick, first single sheave, first belt, double sheave, the second belt, second single sheave, first bull stick and a plurality of puddler, avoid coating to condense in the inner chamber of box, strike two baffles through the mutually supporting between electric telescopic handle, T-shaped pole, arc pole and the ball of striking, avoid coating to bond and cause the waste on the baffle, open and close the valve on the discharging pipe through the mutually supporting between first dwang, blade, gasbag, push pedal, horizontal pole, spring, rack and gear, when the box moves and stops, control the ejection of compact and stop the ejection of compact, thereby avoid when not using, causing waste of the coating and environmental pollution.

Description

Road is widened and is used location marking device with adjustable

Technical Field

The utility model relates to a road marking off technical field especially relates to a road is widened and is used location marking off device with adjustable.

Background

Road marking is an important task after construction in the field of public transportation of the current society is completed, various lines with guiding and warning functions need to be drawn on roads or urban roads, and when the roads are widened, the widened distances need to be positioned and marked, so that the widened distances are ensured to be consistent.

The existing road widening is with location marking device, the coating condenses easily at the box inner chamber at the marking off in-process to block up the discharging pipe easily, and then influence the quality of marking off, and current marking device, when stopping using, the coating can be revealed from the discharging pipe, not only causes the waste of coating, and causes the pollution easily.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, one of the purposes of the utility model is to provide an adjustable road is widened and is used location marking device.

The utility model discloses an one of the purpose adopts following technical scheme to realize:

an adjustable positioning and scribing device for road widening comprises a box body, wherein a bottom plate is fixedly connected to the bottom of the box body, vertical plates are fixedly connected to the bottom of the bottom plate close to four corners, rotating shafts are arranged at the positions, close to the left side and the right side, of the bottom plate, the front ends and the rear ends of the two rotating shafts are respectively fixedly connected with the adjacent vertical plates, rollers are sleeved at the positions, close to the front ends and the rear ends, of the two rotating shafts, on the left side, of the rotating shafts, a first conical gear is sleeved at a position, close to the middle position, on the left side, of each rotating shaft, a second conical gear is meshed with the left side of each first conical gear, a rotating rod is fixedly connected to the left side of each second conical gear, a fixing plate is fixedly connected to the position, close to the left side, of the bottom plate, a first bearing is fixedly connected to the fixing plate, the left end of the rotating rod penetrates through an inner cavity of the first bearing and is fixedly connected with a first single grooved wheel, the top of the first single grooved wheel is provided with a double grooved wheel, a first belt is arranged between the double grooved wheel and the first single grooved wheel, the first single grooved wheel is in transmission connection with the double grooved wheel through the first belt, the right side of the bottom plate is fixedly connected with a baffle plate, two handles are fixedly connected to the right side of the baffle plate near the top, the two handles are arranged in a front-back manner, the top of the box body is inserted with a feeding hopper, the left side and the right side of the inner cavity of the box body near the top are fixedly connected with a second bearing, the inner cavity of the second bearing on the right side is inserted with a first rotating rod, the left end of the first rotating rod penetrates through the inner cavity of the second bearing far away from the box body and is fixedly connected with a second single grooved wheel, the left side and the right side of the inner cavity of the box body near the bottom are fixedly connected with partition plates, the bottoms of the two partition plates are both provided with a knocking mechanism, and a discharge pipe is arranged between the two partition plates, two the baffle passes through discharging pipe fixed connection, the discharging pipe outside is equipped with the valve of matcing each other with it, just the valve outside is equipped with adjustment mechanism, the bottom intermediate position department fixedly connected with box body of bottom plate, the bottom of discharging pipe runs through the top of bottom plate and box body, and plug in the inner chamber of box body, a plurality of small opening has been seted up to the bottom of box body, just the bottom fixedly connected with brush of box body, the rear side of box is equipped with positioning mechanism.

Furthermore, a second belt is arranged between the double grooved wheels and the second single grooved wheel, and the double grooved wheels are in transmission connection with the second single grooved wheel through the second belt.

Furthermore, the top and the bottom of first pivot pole all fixedly connected with a plurality of puddler, and a plurality of the puddler evenly distributed is on first pivot pole.

Further, striking mechanism includes two electric telescopic handle, two electric telescopic handle fixed connection is close to left and right sides department respectively in the inner chamber bottom of box, two the equal fixedly connected with T shape pole in electric telescopic handle's top, the inner chamber left and right sides of box is close to that bottom department all articulates there is the arc pole, two the equal fixedly connected with of the adjacent one end of arc pole strikes the ball, two the longer one end of T shape pole respectively with adjacent arc pole fixed connection.

Further, the adjusting mechanism comprises a gear, the gear sleeve is arranged on the outer side of the valve, a rack is meshed on the rear side of the gear, a transverse rod is fixedly connected to the left end of the rack, a barrel is arranged on the left side of the discharging pipe, the bottom of the barrel is fixedly connected with the box body, a second rotating rod is fixedly connected to the right side of the double grooved pulley, a third bearing is fixedly connected to the left side of the box body close to the bottom, a fourth bearing is fixedly connected to the left side of the barrel, the right end of the second rotating rod penetrates through the inner cavities of the third bearing and the fourth bearing and is fixedly connected with a plurality of blades, a connecting plate is arranged on the right side of each blade and is fixedly connected with the barrel, a through hole is formed in the connecting plate, an air bag is fixedly connected to the inner cavity of the through hole, a push pedal is fixedly connected to the right side of the air bag, and the left end of the transverse rod penetrates through the barrel, and with push pedal fixed connection, the cover is equipped with the spring on the horizontal pole, just both ends respectively with push pedal and barrel inner chamber right side fixed connection about the spring.

Further, positioning mechanism includes the pipe, be close to right side department on the bottom plate and seted up the fluting, the equal fixedly connected with fifth bearing of both sides department, two around the fluting inner chamber is close to the fifth bearing inner chamber runs through jointly and is equipped with the pipe, the front end fixedly connected with hand wheel of pipe, just the inner chamber rear side plug-in connection of pipe has the threaded rod, the internal thread has been seted up to the inner chamber of pipe, the threaded rod passes through internal thread and pipe swing joint, the rear side of threaded rod is equipped with the mounting panel, mounting panel front side fixedly connected with sixth bearing, peg graft at sixth bearing inner chamber in the rear end of threaded rod, the rear side of mounting panel is close to intermediate position department and articulates there is the locating lever, just the rear side of mounting panel is close to bottom department fixedly connected with limiting plate.

Further, the rear side of box is close to bottom department and is equipped with the fly leaf, the rear side fixedly connected with L shape pole of fly leaf, spacing hole has been seted up on the shorter one side of locating lever, the one end that the fly leaf was kept away from to L shape pole is pegged graft in the inner chamber in spacing hole, the front side fixedly connected with slider of fly leaf, the rear side of box is seted up the spout, slider swing joint is at the inner chamber of spout.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. the coating is stirred through the mutual matching of the first bevel gear, the second bevel gear, the rotating rod, the first single grooved wheel, the first belt, the double grooved wheels, the second belt, the second single grooved wheel, the first rotating rod and the stirring rods, the coating is prevented from being condensed in the inner cavity of the box body, the two partition plates are knocked through the mutual matching of the electric telescopic rod, the T-shaped rod, the arc-shaped rod and the knocking ball, and the coating is prevented from being bonded on the partition plates to cause waste;

2. through the valve of mutually supporting between first dwang, blade, gasbag, push pedal, horizontal pole, spring, rack and the gear on to the discharging pipe open and close, when the box removed and stopped, the control ejection of compact with stop the ejection of compact to avoid when not using, cause the waste of coating and cause environmental pollution.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following preferred embodiments are described in detail with reference to the accompanying drawings.

Drawings

FIG. 1 is a perspective view of the present embodiment;

FIG. 2 is a schematic structural diagram of the present embodiment;

FIG. 3 is a right side sectional view of the present embodiment;

fig. 4 is an enlarged view of a portion a in fig. 2.

In the figure: 1. a box body; 2. a base plate; 3. a baffle plate; 4. a feed hopper; 5. a vertical plate; 6. a roller; 7. a rotating shaft; 8. a rotating rod; 9. a first single sheave; 10. a first belt; 11. a double grooved pulley; 12. a second rotating lever; 13. a second belt; 14. a second single sheave; 15. a first rotating lever; 16. a hand-operated wheel; 17. an electric telescopic rod; 18. an arcuate bar; 19. knocking and hitting the ball; 20. a stirring rod; 21. a rack; 22. a first bevel gear; 23. a second bevel gear; 24. a box body; 25. a brush; 26. a gear; 27. a circular tube; 28. a threaded rod; 29. positioning a rod; 30. a movable plate; 31. an L-shaped rod; 32. a blade; 33. an air bag; 34. pushing the plate; 35. a cross bar; 36. a spring.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 4, an adjustable positioning and scribing device for road widening comprises a box body 1, a bottom plate 2 is fixedly connected to the bottom of the box body 1, vertical plates 5 are fixedly connected to the bottom of the bottom plate 2 near four corners, rotating shafts 7 are arranged on the bottom of the bottom plate 2 near the left and right sides, the front and rear ends of the two rotating shafts 7 are respectively and fixedly connected to the adjacent vertical plates 5, rollers 6 are respectively sleeved on the two rotating shafts 7 near the front and rear ends, a first conical gear 22 is sleeved on the rotating shaft 7 on the left side near the middle position, a second conical gear 23 is meshed with the left side of the first conical gear 22, a rotating rod 8 is fixedly connected to the left side of the second conical gear 23, a fixing plate is fixedly connected to the bottom of the bottom plate 2 near the left side, a first bearing is fixedly connected to the fixing plate, the left end of the rotating rod 8 penetrates through the inner cavity of the first bearing and is fixedly connected to a first single grooved pulley 9, the top of the first single grooved wheel 9 is provided with a double grooved wheel 11, a first belt 10 is arranged between the double grooved wheel 11 and the first single grooved wheel 9, the first single grooved wheel 9 is in transmission connection with the double grooved wheel 11 through the first belt 10, the right side of the bottom plate 2 is fixedly connected with a baffle plate 3, two handles are fixedly connected to the right side of the baffle plate 3 near the top, the two handles are arranged in front and back, a feeding hopper 4 is inserted into the top of the box body 1, a second bearing is fixedly connected to the left side and the right side of the inner cavity of the box body 1 near the top, a first rotating rod 15 is inserted into the inner cavity of the second bearing on the right side, a plurality of stirring rods 20 are fixedly connected to the top and the bottom of the first rotating rod 15, the plurality of stirring rods 20 are uniformly distributed on the first rotating rod 15, the left end of the first rotating rod 15 penetrates through the inner cavity of the second bearing far away from the first single grooved wheel 14, a second belt 13 is arranged between the double grooved wheel 11 and the second single grooved wheel 14, the double grooved pulley 11 is in transmission connection with a second single grooved pulley 14 through a second belt 13, partition plates are fixedly connected to the left side and the right side of the inner cavity of the box body 1 near the bottom, knocking mechanisms are arranged at the bottoms of the two partition plates and comprise two electric telescopic rods 17, the two electric telescopic rods 17 are respectively and fixedly connected to the bottom of the inner cavity of the box body 1 near the left side and the right side, T-shaped rods are respectively and fixedly connected to the top ends of the two electric telescopic rods 17, arc-shaped rods 18 are hinged to the left side and the right side of the inner cavity of the box body 1 near the bottom, knocking balls 19 are respectively and fixedly connected to the adjacent ends of the two arc-shaped rods 18, discharge pipes are arranged between the two partition plates and are fixedly connected through the discharge pipes, valves matched with the discharge pipes are arranged on the outer sides of the discharge pipes, an adjusting mechanism is arranged on the outer sides of the valves, and the adjusting mechanism comprises a gear 26, the gear 26 is sleeved on the outer side of the valve, the rack 21 is meshed on the rear side of the gear 26, the left end of the rack 21 is fixedly connected with a cross rod 35, the left side of the discharge pipe is provided with a cylinder body, the bottom of the cylinder body is fixedly connected with the box body 1, the right side of the double-grooved wheel 11 is fixedly connected with a second rotating rod 12, the left side of the box body 1 close to the bottom is fixedly connected with a third bearing, the left side of the cylinder body is fixedly connected with a fourth bearing, the right end of the second rotating rod 12 penetrates through the inner cavities of the third bearing and the fourth bearing and is fixedly connected with a plurality of blades 32, the right sides of the blades 32 are provided with a connecting plate which is fixedly connected with the cylinder body, the connecting plate is provided with a through hole, the inner cavity of the through hole is fixedly connected with an air bag 33, the right side of the air bag 33 is fixedly connected with a push plate 34, the left end of the cross rod 35 penetrates through the cylinder body and is fixedly connected with the push plate 34, a spring 36 is sleeved on the cross rod 35, and the left and right ends of the spring 36 are respectively and right sides of the push plate 34 and the inner cavity of the cylinder body, the bottom middle position of the bottom plate 2 is fixedly connected with a box body 24, the bottom end of the discharge pipe penetrates through the tops of the bottom plate 2 and the box body 24 and is inserted in an inner cavity of the box body 24, the bottom of the box body 24 is provided with a plurality of leakage holes, the bottom of the box body 24 is fixedly connected with a brush 25, the rear side of the box body 1 is provided with a positioning mechanism, the positioning mechanism comprises a round pipe 27, a groove is formed in the position, close to the right side, of the bottom plate 2, a fifth bearing is fixedly connected to the positions, close to the front side and the rear side, of the groove inner cavity, the fifth bearing inner cavity is fixedly connected with fifth bearings, the round pipe 27 is jointly penetrated through the two fifth bearing inner cavities, the front end of the round pipe 27 is fixedly connected with a hand-operated wheel 16, the rear side of the inner cavity of the round pipe 27 is inserted with a threaded rod 28, the inner cavity of the round pipe 27 is provided with an internal thread, the threaded rod 28 is movably connected with the round pipe 27 through the internal thread, the mounting plate is arranged at the rear side of the mounting plate, the sixth bearing is fixedly connected with a sixth bearing inner cavity at the front side of the rear end of the threaded rod 28, the rear side of mounting panel is close to intermediate position department and articulates there is locating lever 29, and the rear side of mounting panel is close to bottom fixedly connected with limiting plate, the rear side of box 1 is close to bottom department and is equipped with fly leaf 30, the rear side fixedly connected with L shape pole 31 of fly leaf 30, spacing hole has been seted up on the shorter one side of locating lever 29, L shape pole 31 is kept away from the one end of fly leaf 30 and is pegged graft at the inner chamber in spacing hole, the front side fixedly connected with slider of fly leaf 30, the spout has been seted up to the rear side of box 1, slider swing joint is at the inner chamber of spout, the convenience is adjusted the locating lever 29 and the distance between the box 1, thereby can adjust the distance of ruling.

The working principle is as follows: the utility model discloses when using, add coating in to box 1 through feed hopper 4, when needs location, upwards promote fly leaf 30 and drive L shape pole 31 rebound, make L shape pole 31's one end break away from spacing hole, upset locating lever 29 downwards, setting through the limiting plate, make locating lever 29 be in horizontal position, through adjusting the distance between the shorter one end of locating lever 29 and the road edge, position the position of ruling, when needs adjust the position of ruling, drive pipe 27 rotation through rotating hand wheel 16, pipe 27 rotation drives threaded rod 28 back-and-forth movement, the back-and-forth movement of locating lever 29 is driven through the back-and-forth movement of threaded rod 28, thereby adjust the distance of ruling, after accomplishing the ruling distance, start electric telescopic handle 17 through external power supply, through two handles, baffle 3, bottom plate 2, The box body 1 is driven to move by the mutual matching among the roller 6, the vertical plate 5 and the rotating shaft 7, when the rotating shaft 7 positioned on the left side rotates, the first conical gear 22 is driven to rotate, the first conical gear 22 rotates to drive the second conical gear 23 meshed with the first conical gear to rotate, the second conical gear 23 rotates to drive the rotating rod 8 to rotate, the rotating rod 8 rotates to drive the first single grooved wheel 9 to rotate, the first single grooved wheel 9 rotates to drive the double grooved wheel 11 to rotate through the first belt 10, the double grooved wheel 11 rotates to drive the second rotating rod 12 to rotate, the second rotating rod 12 rotates to drive the plurality of blades 32 to rotate, the plurality of blades 32 rotate to generate wind power to increase the volume of the air bag 33, the volume of the air bag 33 increases to drive the push plate 34 to move rightwards, the push plate 34 pushes the transverse rod 35 to move rightwards and extrude the spring 36, the transverse rod 35 moves rightwards to drive the rack 21 to move rightwards, the rack 21 moves rightwards to drive the gear 26 to rotate, the gear 26 rotates to open the valve, so that the coating flows into the box body 24 through the discharge pipe and flows onto the brush 25 through a plurality of leakage holes at the bottom of the box body 24, the brush 25 is driven to mark through the movement of the device, the double-grooved pulley 11 drives the second single-grooved pulley 14 to rotate through the second belt 13 while rotating, the second single-grooved pulley 14 rotates to drive the first rotating rod 15 to rotate, the first rotating rod 15 rotates to drive the plurality of stirring rods 20 to rotate, the plurality of stirring rods 20 stir the coating to avoid condensation, the two electric telescopic rods 17 work to drive the two arc-shaped rods 18 to turn over through the T-shaped rods, so that the ball 19 turns over upwards by taking one ends of the two arc-shaped rods 18 as the circle center, so that the two partition plates are knocked to avoid the coating from being adhered to the two partition plates, after the marking is completed, the idler wheel 6 does not rotate, so that the first conical gear 22 does not rotate, a plurality of blade 32 stops rotatoryly, and the volume of gasbag 33 reduces, drives rack 21 under the effect of spring 36 power and moves the department left to drive gear 26 antiport, and then close the valve, avoid coating to leak and cause extravagant and polluted environment, close two electric telescopic handle 17 through the manual work, withdraw locating lever 29 again, and carry out the joint through L shape pole 31 and fix it.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. The utility model provides a road is widened with location marking device with adjustable, includes box (1), its characterized in that: the bottom fixedly connected with bottom plate (2) of box (1), the bottom of bottom plate (2) is close to equal fixedly connected with riser (5) in four corners department, the bottom of bottom plate (2) is close to left and right sides department and all is equipped with pivot (7), two the front and back both ends of pivot (7) respectively with adjacent riser (5) fixed connection, and two pivot (7) are gone up and are close to front and back both ends department and all overlap and are equipped with gyro wheel (6), lie in left pivot (7) go up and are close to intermediate position department cover and are equipped with first conical gear (22), the left side meshing of first conical gear (22) has second conical gear (23), the left side fixedly connected with bull stick (8) of second conical gear (23), the bottom of bottom plate (2) is close to left side department fixedly connected with fixed plate, fixedly connected with first bearing on the fixed plate, the left end of the rotating rod (8) penetrates through the inner cavity of the first bearing and is fixedly connected with a first single grooved wheel (9), the top of the first single grooved wheel (9) is provided with a double grooved wheel (11), a first belt (10) is arranged between the double grooved wheel (11) and the first single grooved wheel (9), the first single grooved wheel (9) is in transmission connection with the double grooved wheel (11) through the first belt (10), the right side of the bottom plate (2) is fixedly connected with a baffle plate (3), the right side of the baffle plate (3) close to the top is fixedly connected with two handles which are arranged in front and back, the top of the box body (1) is spliced with a feeding funnel (4), the left side and the right side of the inner cavity of the box body (1) close to the top are fixedly connected with second bearings, the inner cavity of the second bearing on the right side is spliced with a first rotating rod (15), and the left end of the first rotating rod (15) penetrates through the inner cavity of the second bearing which is far away, and fixedly connected with second single sheave (14), the inner chamber left and right sides of box (1) is close to the equal fixedly connected with baffle of bottom department, two all be equipped with knocking mechanism bottom the baffle, two be equipped with the discharging pipe between the baffle, two the baffle passes through discharging pipe fixed connection, the discharging pipe outside is equipped with the valve of matcing each other with it, just the valve outside is equipped with adjustment mechanism, bottom intermediate position department fixedly connected with box body (24) of bottom plate (2), the top of bottom plate (2) and box body (24) is run through to the bottom of discharging pipe, and plug in the inner chamber of box body (24), a plurality of small opening has been seted up to the bottom of box body (24), just the bottom fixedly connected with brush (25) of box body (24), the rear side of box (1) is equipped with positioning mechanism.

2. The adjustable road-widening positioning and marking device as claimed in claim 1, wherein: a second belt (13) is arranged between the double grooved pulley (11) and the second single grooved pulley (14), and the double grooved pulley (11) is in transmission connection with the second single grooved pulley (14) through the second belt (13).

3. The adjustable road-widening positioning and marking device as claimed in claim 1, wherein: the top and the bottom of first pivot pole (15) all fixedly connected with a plurality of puddler (20), and a plurality of puddler (20) evenly distributed is on first pivot pole (15).

4. The adjustable road-widening positioning and marking device as claimed in claim 1, wherein: knocking mechanism includes two electric telescopic handle (17), two electric telescopic handle (17) fixed connection respectively is close to left and right sides department at the inner chamber bottom of box (1), two the equal fixedly connected with T shape pole in top of electric telescopic handle (17), the inner chamber left and right sides of box (1) is close to bottom department and all articulates there is arc pole (18), two equal fixedly connected with of adjacent one end of arc pole (18) strikes ball (19), two the longer one end of T shape pole respectively with adjacent arc pole (18) fixed connection.

5. The adjustable road-widening positioning and marking device as claimed in claim 1, wherein: the adjusting mechanism comprises a gear (26), the gear (26) is sleeved on the outer side of the valve, a rack (21) is meshed on the rear side of the gear (26), a transverse rod (35) is fixedly connected to the left side of the rack (21), a barrel is arranged on the left side of the discharging pipe, the bottom of the barrel is fixedly connected with the box body (1), a second rotating rod (12) is fixedly connected to the right side of the double grooved wheel (11), a third bearing is fixedly connected to the left side of the box body (1) close to the bottom of the box body, a fourth bearing is fixedly connected to the left side of the barrel, the right end of the second rotating rod (12) penetrates through the inner cavities of the third bearing and the fourth bearing and is fixedly connected with a plurality of blades (32), a connecting plate is arranged on the right side of the blades (32), the connecting plate is fixedly connected with the barrel, a through hole is formed in the connecting plate, and an air bag (33) is fixedly connected with the inner cavity of the through hole, the right side fixedly connected with push pedal (34) of gasbag (33), the barrel is run through to the left end of horizontal pole (35) to with push pedal (34) fixed connection, the cover is equipped with spring (36) on horizontal pole (35), just both ends respectively with push pedal (34) and barrel inner chamber right side fixed connection about spring (36).

6. The adjustable road-widening positioning and marking device as claimed in claim 1, wherein: the positioning mechanism comprises a round pipe (27), a notch is arranged on the bottom plate (2) near the right side, fifth bearings are fixedly connected with the positions, close to the front side and the rear side, of the slotted inner cavities, circular tubes (27) are arranged in the two fifth bearing inner cavities in a penetrating mode, hand-operated wheels (16) are fixedly connected with the front ends of the circular tubes (27), a threaded rod (28) is inserted at the rear side of the inner cavity of the circular tube (27), an inner thread is arranged in the inner cavity of the circular tube (27), the threaded rod (28) is movably connected with the round pipe (27) through an internal thread, a mounting plate is arranged at the rear side of the threaded rod (28), the front side of the mounting plate is fixedly connected with a sixth bearing, the rear end of the threaded rod (28) is inserted in the inner cavity of the sixth bearing, the rear side of mounting panel is close to intermediate position department and articulates there is locating lever (29), just the rear side of mounting panel is close to bottom fixedly connected with limiting plate.

7. The adjustable road widening positioning and marking device as recited in claim 6, wherein: the rear side of box (1) is close to bottom department and is equipped with fly leaf (30), the rear side fixedly connected with L shape pole (31) of fly leaf (30), set up spacing hole on the shorter one side of locating lever (29), the one end that fly leaf (30) were kept away from in L shape pole (31) is pegged graft at the inner chamber in spacing hole, the front side fixedly connected with slider of fly leaf (30), the rear side of box (1) is seted up and is equipped with the spout, slider swing joint is at the inner chamber of spout.