CN215593638U

CN215593638U - Road waterline lofting device

Info

Publication number: CN215593638U
Application number: CN202122078915.2U
Authority: CN
Inventors: 徐吉存; 石磊; 刘鹏
Original assignee: Shandong Jiaotong University
Current assignee: Shandong Jiaotong University
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-01-21
Anticipated expiration: 2031-08-31

Abstract

The utility model provides a road waterline lofting device, which belongs to the technical field of road construction and comprises a vehicle body; the liquid storage tank is fixedly connected to the upper end of the vehicle body, and a three-way pipe is arranged on the liquid storage tank; the two second rotating rods are respectively and rotatably connected to the inner walls of the two sides of the vehicle body, and the close ends of the two second rotating rods movably penetrate through the circumferential surface of the three-way pipe and extend inwards; the driving mechanism is connected with the vehicle body to realize the linear motion of the vehicle body; and a lofting mechanism; this device is equipped with dotted line lofting and realizes two kinds of modes of lofting, rotates to deviating the horizontality and fixes through two valve plates when realizing the lofting, then can draw out the straight solid waterline of very standard with coating through two shower nozzles, and during the dotted line lofting, pull back through two valve plates and rotate and make two shower nozzles draw out the dotted line waterline of very standard with fixed frequency lofting to the switching easy operation of two kinds of modes.

Description

Road waterline lofting device

Technical Field

The utility model belongs to the technical field of road construction, and particularly relates to a lofting device for a road waterline.

Background

The road waterline is also called a road marking, and particularly refers to a mark for lofting paint to form lines, arrows, characters, vertical marks, raised road signs, contour marks and the like on the road surface of a road and transmitting traffic information such as guidance, limitation, warning and the like to traffic participants through a lofting device. The function of the device is to control and guide traffic, and the device can be used together with a sign or independently. Whether the road waterline is set reasonably or not is subject to running inspection even if the road waterline meets relevant regulations. The waterline can better guarantee traffic safety and guide civilized driving.

The road waterline is divided into white dotted line, white solid line, yellow dotted line, yellow solid line, double white dotted line, double yellow solid line and other types, and current road waterline laying-out device structure is comparatively simple, relies on manual operation to come to lay out the coating, and the switching of virtual line and real line is comparatively inconvenient, and the waterline of drawing also because manual operation's error is not enough standard.

Disclosure of Invention

The utility model aims to provide a road waterline lofting device, and aims to solve the problems that in the prior art, due to the fact that the structure is simple, coating lofting is performed by means of manual operation, virtual lines and real lines are inconvenient to switch, and drawn waterlines are not standard enough due to errors of manual operation.

In order to achieve the purpose, the utility model provides the following technical scheme:

a road water line lofting device, comprising:

a vehicle body;

the liquid storage tank is fixedly connected to the upper end of the vehicle body, and a three-way pipe is arranged on the liquid storage tank;

the two second rotating rods are respectively and rotatably connected to the inner walls of the two sides of the vehicle body, and the close ends of the two second rotating rods movably penetrate through the circumferential surface of the three-way pipe and extend inwards;

the driving mechanism is connected with the vehicle body to realize the linear motion of the vehicle body; and

the lofting mechanism comprises a spraying component, a dotted line lofting component and a solid line lofting component;

the spraying component comprises a spray head, a valve plate and a torsion spring, the spray head is arranged on the three-way pipe, the valve plate is fixedly connected to the circumferential surface of one of the second rotating rods and is rotatably connected to the circumferential inner wall of the three-way pipe, one end of the torsion spring is fixedly connected to the circumferential surface of the three-way pipe, and the other end of the torsion spring is fixedly connected to the circumferential surface of the second rotating rod;

the dotted line lofting component is connected with the valve plate to realize reciprocating rotation of the valve plate so as to perform dotted line lofting through the spray head;

the solid lofting component is connected with the valve plate to keep the valve plate in an open state so as to perform solid lofting through the nozzle.

As a preferable scheme of the present invention, the driving mechanism includes two axle grooves, two axles and a plurality of tires, the two axle grooves are both formed on the vehicle body, the two axles are respectively rotatably connected in the two axle grooves, and the plurality of tires are respectively fixedly connected to circumferential surfaces of the two axles.

As a preferable scheme of the present invention, the dotted line lofting component includes a chain, a first rotating rod, a half gear, a second spur gear, a cross-shaped connecting member, and two first spur gears, two ends of the cross-shaped connecting member are respectively and fixedly connected to the near ends of the two second rotating rods, the second spur gear is slidably connected to the outer surface of the cross-shaped connecting member, two ends of the first rotating rod are respectively and rotatably connected to the inner walls of two sides of the vehicle body, the two first spur gears are respectively and fixedly connected to the circumferential surfaces of the first rotating rod and one of the wheel shafts, the chain is in transmission engagement with the circumferential surfaces of the two first spur gears, the half gear is fixedly connected to the circumferential surfaces of the first rotating rods, and the half gear is in intermittent engagement with the second spur gear.

As a preferred scheme of the utility model, the solid lofting component comprises an L-shaped chute, an inner ratchet wheel, a connecting plate, a first rectangular clamping groove, a second rectangular clamping groove, a rectangular clamping block and two fixing blocks, the L-shaped chute is arranged at the upper end of the vehicle body, the inner ratchet wheel is arranged on the outer side of the circumference of the cross-shaped connecting piece and is connected with a second straight gear, the connecting plate is connected in the L-shaped chute in a sliding manner and is fixedly connected to the circumferential surface of the inner ratchet wheel, the two fixing blocks are both fixedly connected to the upper end of the vehicle body, the first rectangular clamping groove and the second rectangular clamping groove are respectively arranged on the two fixing blocks, the rectangular clamping block is fixedly connected to one side end of the connecting plate, and the rectangular clamping block is matched with the first rectangular clamping groove and the second rectangular clamping groove.

As a preferable scheme of the utility model, the lofting mechanism further comprises a rotation limiting part, the rotation limiting part comprises a cross-shaped hollow slide block, a connecting disc, an annular rotating block, an annular rotating groove, a pawl, a spring and a connecting block, the cross-shaped hollow slide block is connected to the outer surface of the cross-shaped connecting piece in a sliding manner, the cross-shaped hollow slide block is fixedly connected with one side end of the second straight gear, the connecting block is fixedly connected with the outer surface of the cross-shaped hollow slide block, the connecting disc is fixedly connected with one side end of the connecting block, the annular rotating groove is arranged at one side end of the connecting disc, the annular rotating block is fixedly connected with one side end of the inner ratchet wheel, the annular rotating block is rotationally connected in the annular rotating groove, the pawl is rotationally connected with one side end of the connecting disc, and the pawl is intermittently meshed with the inner ratchet wheel, and two ends of the spring are respectively and fixedly connected to the near ends of the pawl and the connecting block.

As a preferable aspect of the present invention, the painting members are provided in two sets, and the two sets of painting members are symmetrical with respect to a midpoint of the vehicle body.

As a preferable scheme of the present invention, the vehicle body is provided with a plurality of fixing grooves, and the three-way pipe is fixedly connected to the plurality of fixing grooves.

As a preferable scheme of the present invention, two handles are fixedly connected to the upper end of the vehicle body, and the two handles are symmetrical based on a midpoint of the vehicle body.

Compared with the prior art, the utility model has the beneficial effects that:

1. in this scheme, through pushing away the automobile body right, can trigger the lofting mechanism, if set up to dotted line lofting mode this moment, then two valve plates can make two exports be in "open-close-reopen" circulation state at the circumference inner wall reciprocating rotation of two exits of three-way pipe, thereby make two shower nozzles receive coating with fixed frequency interval and carry out the lofting and draw the dotted line waterline subaerial, if set up to realize the lofting mode, then two valve plates can rotate to breaking away from the horizontality and keep, make two openings of three-way pipe keep the open mode, thereby make two shower nozzles can receive coating always and draw the solid waterline subaerial.

2. In this scheme, be dotted line lofting mode when the rectangle fixture block card inserts in the first rectangle draw-in groove, again backward make the rectangle fixture block card insert the second rectangle draw-in groove in the time for realizing lofting mode forward again backward in along L shape spout through the pulling connecting plate for the switching operation of two kinds of modes is very simple and convenient.

3. In this scheme, the spraying part is equipped with two sets of can carry out the double-line laying-out, also can only install a shower nozzle, will not install the three-way pipe lower extreme head of shower nozzle and seal with the piston and carry out the single line laying-out.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is an exploded view of the present invention;

FIG. 2 is a perspective view of the present invention;

FIG. 3 is a cross-sectional view of the present invention;

FIG. 4 is a partial exploded view at the sprinkler head of the present invention;

FIG. 5 is a partial exploded view of the inner ratchet of the present invention;

fig. 6 is a partial enlarged view of the utility model at a in fig. 5.

In the figure: 1. a vehicle body; 101. a wheel axle slot; 102. fixing grooves; 103. a wheel axle; 104. a tire; 105. an L-shaped chute; 106. a handle; 2. a liquid storage tank; 201. a three-way pipe; 202. a spray head; 3. a first straight gear; 301. a chain; 302. a first rotating lever; 303. a half gear; 304. a second spur gear; 4. a cross-shaped connecting piece; 401. a cross-shaped hollow slide block; 402. an inner ratchet wheel; 403. a connecting disc; 404. an annular rotating block; 405. an annular rotary groove; 406. a pawl; 407. a spring; 408. connecting blocks; 5. a second rotating rod; 501. a valve plate; 502. a torsion spring; 6. a connecting plate; 601. a fixed block; 602. a first rectangular card slot; 603. a second rectangular slot; 604. and (4) a rectangular fixture block.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-6, the present invention provides the following technical solutions:

a road water line lofting device, comprising:

a vehicle body 1;

the liquid storage tank 2 is fixedly connected to the upper end of the vehicle body 1, and a three-way pipe 201 is arranged on the liquid storage tank 2;

the two second rotating rods 5 are respectively and rotatably connected to the inner walls of the two sides of the vehicle body 1, and the close ends of the two second rotating rods 5 movably penetrate through the circumferential surface of the three-way pipe 201 and extend inwards;

the driving mechanism is connected with the vehicle body 1 to realize the linear motion of the vehicle body; and

the spraying component comprises a spray head 202, a valve plate 501 and a torsion spring 502, the spray head 202 is mounted on the three-way pipe 201, the valve plate 501 is fixedly connected to the circumferential surface of one of the second rotating rods 5, the valve plate 501 is rotatably connected to the circumferential inner wall of the three-way pipe 201, one end of the torsion spring 502 is fixedly connected to the circumferential surface of the three-way pipe 201, and the other end of the torsion spring 502 is fixedly connected to the circumferential surface of the second rotating rod 5;

the dotted line lofting member is connected to the valve plate 501 to perform reciprocating rotation thereof to perform dotted line lofting through the head 202;

the solid lofting member is connected to the valve plate 501 to achieve its hold open state for solid lofting by the head 202;

the spraying parts are arranged in two groups, and the two groups of spraying parts are symmetrical based on the midpoint of the vehicle body 1.

In the specific embodiment of the utility model, the vehicle body 1 is a shell of a fixed supporting device with other structures, the liquid storage tank 2 is fixed at the left part of the upper end of the vehicle body 1, the liquid storage tank 2 is used for storing paint, the lower end of the liquid storage tank 2 is a discharge port, the upper end head of the three-way pipe 201 is fixed in the discharge port of the liquid storage tank 2, two heads at the lower end of the three-way pipe 201 respectively and movably penetrate through the front and back parts of the upper end and the upper inner wall of the vehicle body 1 and are fixed with the spray heads 202, the two spray heads 202 are used for spraying the paint to the ground for lofting, the front and back inner walls of the vehicle body 1 are both rotatably provided with the second rotating rods 5, the adjacent ends of the two second rotating rods 5 respectively and movably penetrate through the circumferential surfaces of the two heads at the lower end of the three-way pipe 201, the circumferential surfaces of the two second rotating rods 5 are both fixed with the valve plates 501, the two valve plates 501 can rotate along the circumferential inner walls of the two heads at the lower end of the three-way pipe 201, the adjacent parts of the circumferential surfaces of the two second rotating rods 5 are also sleeved with the torsion springs 502, two ends of two torsion springs 502 are respectively fixed on the circumferential surfaces of two heads of the three-way pipe 201 and the circumferential surfaces of two second rotating rods 5, when the vehicle body 1 is not moved, the two torsion springs 502 are in a loose state, the two valve plates 501 are in a horizontal state to block the two heads of the lower end of the three-way pipe 201, the paint cannot fall into the spray head 202, when the vehicle body 1 is driven by the driving mechanism to do rectilinear motion rightward, the lofting mechanism is triggered, at the moment, if the dashed line lofting component operates, the two second rotating rods 5 can rotate in a reciprocating manner at a fixed frequency, so that the two valve plates 501 are driven to rotate in a reciprocating manner on the circumferential inner wall of the three-way pipe 201 to enable the two heads of the lower end of the three-way pipe 201 to be in an opening-closing-reopening circulating state, so that the two spray heads 202 can loft at the fixed frequency to draw a dashed line on the ground, and if the lofting component operates, the two second rotating rods 5 drive the two valve plates 501 to rotate and keep the open state, so that the two nozzles 202 can draw a solid waterline on the ground;

preferably, two groups of spraying parts are provided, and double-line lofting can be carried out, or only one spray head 202 can be installed, and the lower end head part of the three-way pipe 201 without the spray head 202 is sealed by a piston to carry out single-line lofting.

Specifically, referring to fig. 1, the driving mechanism includes two axle grooves 101, two axles 103, and a plurality of tires 104, the two axle grooves 101 are both disposed on the vehicle body 1, the two axles 103 are respectively rotatably connected to the two axle grooves 101, and the plurality of tires 104 are respectively fixedly connected to the circumferential surfaces of the two axles 103.

In this embodiment: the wheel axle groove 101 that runs through around both ends are all seted up about the lower extreme of automobile body 1, and two wheel axle grooves 101 are circular, and it has shaft 103 all to rotate in two wheel axle grooves 101, and two portions extend the outer part of automobile body 1 all to be fixed with tire 104 around the circumferential surface of two shaft 103, can make four tire 104 and two shaft 103 rotate through pushing away automobile body 1, and then drive automobile body 1 and make rectilinear motion right and carry out the laying-out.

Specifically referring to fig. 3 and 5, the dashed lofting component includes a chain 301, a first rotating rod 302, a half gear 303, a second spur gear 304, a cross-shaped connecting member 4 and two first spur gears 3, two ends of the cross-shaped connecting member 4 are respectively and fixedly connected to the near ends of the two second rotating rods 5, the second spur gear 304 is slidably connected to the outer surface of the cross-shaped connecting member 4, two ends of the first rotating rod 302 are respectively and rotatably connected to the inner walls of two sides of the vehicle body 1, the two first spur gears 3 are respectively and fixedly connected to the circumferential surfaces of the first rotating rod 302 and one of the wheel shafts 103, the chain 301 is in transmission engagement with the circumferential surfaces of the two first spur gears 3, the half gear 303 is fixedly connected to the circumferential surface of the first rotating rod 302, and the half gear 303 is in intermittent engagement with the second spur gear 304.

In this embodiment: a first rotating rod 302 rotates between the inner walls of the left side and the right side of the middle of a vehicle body 1, first straight gears 3 are fixed on the circumferential surfaces of the first rotating rod 302 and a wheel axle 103 positioned on the left side, the two first straight gears 3 are driven by a chain 301, a half gear 303 is further fixed on the circumferential surface of the first rotating rod 302, only half gear teeth of the half gear 303 are provided, a cross-shaped connecting piece 4 is fixed between the adjacent ends of two second rotating rods 5, the left part and the right part of the cross-shaped connecting piece 4 are cylindrical, the middle part of the cross-shaped connecting piece 4 is cross-shaped, a second straight gear 304 slides on the outer surface of the cross-shaped part of the cross-shaped connecting piece 4, when the device is in an initial state, the second straight gear 304 is positioned at the rear part of the cross-shaped connecting piece 4 and is intermittently meshed with the half gear 303, when the vehicle body 1 is pushed to move rightwards, the two wheel axles 103 rotate, and further the first rotating rod 302 and the half gear 303 are driven to rotate through the driving action of the chain 301 and the two first straight gears 3, and then half gear 303 can drive second spur gear 304, cross connecting piece 4 and two second bull stick 5 rotate, and then drive two valve plates 501 and rotate to two heads of opening three-way pipe 201 to vertical direction, and compress two torsional springs 502, until half gear 303 rotates to when breaking away from the meshing with second spur gear 304, second spur gear 304 under the rebound effect of two torsional springs 502, cross connecting piece 4 and two second bull stick 5 can the antiport make two valve plates 501 get back to the horizontal state and block two heads of three-way pipe 201 again, then half gear 303 can rotate again to mesh with second spur gear 304, so reciprocal, can realize that two valve plates 501 make two shower nozzles 202 can draw the dotted line waterline along two head circumference inner walls reciprocating rotation of three-way pipe 201.

Specifically, referring to fig. 2 and 4, the solid lofting component includes an L-shaped chute 105, an inner ratchet 402, a connecting plate 6, a first rectangular slot 602, a second rectangular slot 603, a rectangular fixture block 604 and two fixing blocks 601, the L-shaped chute 105 is disposed at the upper end of the vehicle body 1, the inner ratchet 402 is disposed at the outer side of the circumference of the cross-shaped connecting member 4, the inner ratchet 402 is connected to the second spur gear 304, the connecting plate 6 is slidably connected to the L-shaped chute 105, the connecting plate 6 is fixedly connected to the circumferential surface of the inner ratchet 402, the two fixing blocks 601 are both fixedly connected to the upper end of the vehicle body 1, the first rectangular slot 602 and the second rectangular slot 603 are respectively disposed on the two fixing blocks 601, the rectangular fixture block 604 is fixedly connected to one side end of the connecting plate 6, and the rectangular fixture block 604 is matched with the first rectangular slot 602 and the second rectangular slot 603.

In this embodiment: the upper end of the vehicle body 1 is provided with an L-shaped chute 105, the L-shaped chute 105 penetrates through the upper inner wall of the vehicle body 1, the front end of the second spur gear 304 is connected with an inner ratchet 402, the inner ratchet 402 and the second spur gear 304 synchronously rotate, the upper part of the circumferential surface of the inner ratchet 402 is fixedly provided with a connecting plate 6, the connecting plate 6 slides left and right or back and forth along the L-shaped chute 105, the rear end of the connecting plate 6 is fixedly provided with a rectangular clamping block 604, the upper end of the vehicle body 1 is fixedly provided with two fixing blocks 601, the two fixing blocks 601 are both positioned at the rear side of the connecting plate 6, the front end of the fixing block 601 positioned at the left side is provided with a second rectangular clamping groove 603, the second rectangular clamping groove 603 is an oblique rectangle, the front end of the fixing block 601 positioned at the right side is provided with a first rectangular clamping groove 602, the first rectangular clamping groove 602 is a vertical rectangle, the rectangular clamping block 604 can be clamped into the first rectangular clamping groove 602 and the second rectangular clamping groove 603, when the device is in an initial state, the rectangular clamping block 604 is clamped in the first rectangular clamping groove 602, at the moment, the second spur gear 304 is intermittently meshed with the half gear 303, when the connecting plate 6 is driven to slide forwards along the L-shaped sliding groove 105, the rectangular clamping block 604 can be pulled out of the first rectangular clamping groove 602, meanwhile, the second spur gear 304 can also move forwards to be separated from contact with the half gear 303, at the moment, the second spur gear 304 cannot be driven to rotate by movement of the vehicle body 1, then the connecting plate 6 is driven to slide leftwards in the L-shaped sliding groove 105, so that the inner ratchet 402 and the second spur gear 304 can rotate leftwards, the two valve plates 501 are driven to rotate leftwards to open the three-way pipe 201, then the connecting plate 6 moves backwards again to clamp the rectangular clamping block 604 into the second rectangular clamping groove 603, so that the two valve plates can be fixed in position, the three-way pipe 201 is always opened, and the two spray heads 202 can draw a water line with a solid line 501.

Specifically referring to fig. 5 and 6, the lofting mechanism further comprises a rotation limiting component, the rotation limiting component comprises a cross-shaped hollow slider 401, a connecting disc 403, an annular rotating block 404, an annular rotating groove 405, a pawl 406, a spring 407 and a connecting block 408, the cross-shaped hollow slider 401 is slidably connected to the outer surface of the cross-shaped connecting piece 4, the cross-shaped hollow slide block 401 is fixedly connected with one side end of the second straight gear 304, the connecting block 408 is fixedly connected with the outer surface of the cross-shaped hollow slide block 401, the connecting disc 403 is fixedly connected with one side end of the connecting block 408, the annular rotary groove 405 is arranged at one side end of the connecting disc 403, the annular rotary block 404 is fixedly connected with one side end of the inner ratchet 402, and the annular rotary block 404 is rotatably coupled in the annular rotary groove 405, the pawl 406 is rotatably coupled to one side end of the coupling plate 403, and the pawl 406 is intermittently engaged with the inner ratchet 402, the two ends of the spring 407 are fixedly connected to the proximal ends of the pawl 406 and the connecting block 408, respectively.

In this embodiment: the rotation limiting part plays a role in preventing the vehicle body 1 from moving rightwards, the connecting plate 6 and the inner ratchet 402 rotate together with the second straight gear 304 and impact the inner wall of the L-shaped sliding groove 105, the front end of the second straight gear 304 is fixed with a cross-shaped hollow slide block 401, the cross-shaped hollow slide block 401 is in a hollow cross shape, the cross-shaped hollow slide block 401 can slide back and forth along the cross-shaped part of the cross-shaped connecting piece 4, the outer surface of the cross-shaped hollow slide block 401 is fixed with a connecting block 408, the front end of the connecting block 408 is fixed with a connecting disc 403, the cross-shaped hollow slide block 401 penetrates through the inner side of the inner ratchet 402 and is not contacted with the inner ratchet, the rear end of the connecting disc 403 is provided with an annular rotating groove 405, the front end of the inner ratchet 402 is fixed with an annular rotating block 404, the annular rotating block 404 rotates along the annular rotating groove 405, and the annular rotating block 404 and the annular rotating groove 405 can move together due to the large area of the front parts of the annular rotating block 404 and the annular rotating groove 405, the rear end of the annular rotary groove 405 is rotated by a pawl 406, the pawl 406 is connected with a connecting block 408 through a spring 407, when the vehicle body 1 moves rightwards to drive the second straight gear 304 to rotate, the cross-shaped hollow slide block 401, the connecting block 408, the connecting disc 403, the pawl 406 and the spring 407 rotate together, at the moment, the rotating direction of the pawl 406 is in the same direction as the ratchet direction of the inner ratchet wheel 402, the pawl 406 and the inner ratchet wheel 402 cannot be meshed with each other, at the moment, the pawl 406 can rotate back and forth with a small amplitude under the compression and rebound action of the spring 407, the inner ratchet wheel 402 cannot rotate with the connecting plate 6, when the dashed line component is switched, the connecting plate 6 will drive the inner ratchet 402 to rotate to the left, at this time, the rotation direction of the inner ratchet 402 is opposite to the direction of the teeth of the pawl 406, and the two are engaged, and the inner ratchet 402 can drive the pawl 406, the connecting disc 403, the connecting block 408, the cross-shaped hollow slide block 401 and the cross-shaped connecting piece 4 to rotate to the left to achieve the effect of rotating the two valve plates 501.

Specifically referring to fig. 1, a plurality of fixing grooves 102 are formed on a vehicle body 1, and a three-way pipe 201 is fixedly connected to the plurality of fixing grooves 102.

In this embodiment: fixing grooves 102 are formed in the upper end and the left end and the right end of the vehicle body 1, the three-way pipe 201 is fixed in the fixing grooves 102, the fixing stability of the three-way pipe 201 can be enhanced, and the three-way pipe is more stable and cannot shake during paint conveying.

Specifically referring to fig. 1, two handles 106 are fixedly connected to the upper end of the vehicle body 1, and the two handles 106 are symmetrical based on the midpoint of the vehicle body 1.

In this embodiment: the two handles 106 serve to facilitate the user to move the vehicle body 1 rightward, and may push the handle 106 on the left side rightward or pull the handle 106 on the right side rightward.

The working principle and the using process of the utility model are as follows: when the device is in an initial state, the rectangular clamping block 604 is clamped in the first rectangular clamping groove 602, when the dotted waterline lofting needs to be carried out, the vehicle body 1 is pushed rightwards, at the moment, the two wheel shafts 103 and the four tires 104 rotate to drive the vehicle body 1 to move rightwards, then the wheel shaft 103 on the left side drives the first rotating rod 302 and the half gear 303 to rotate through the transmission action of the chain 301 and the two first straight gears 3, the half gear 303 drives the second straight gear 304 to rotate, further drives the cross-shaped connecting piece 4, the two second rotating rods 5 and the two valve plates 501 to rotate, until the half gear 303 rotates to be disengaged from the second straight gear 304, the second straight gear 304 reversely rotates under the resilience action of the two torsion springs 502, then the half gear 303 rotates to be engaged with the second straight gear 304, the two valve plates 501 can rotate back and forth in such a reciprocating way, so that the two outlets at the lower end of the three-way pipe 201 are repeatedly opened and closed at a fixed frequency, so that the paint in the liquid storage tank 2 intermittently falls into the two spray heads 202, the two spray heads 202 draw a dotted waterline on the ground, the trolley body 1 is stopped after lofting is finished, when the solid waterline lofting is required, the connecting plate 6 is pulled forwards to pull out the rectangular fixture block 604 from the first rectangular clamping groove 602, the second spur gear 304 also moves forwards to be separated from the semi-gear 303, the connecting plate 6 is pulled leftwards to make the inner ratchet wheel 402 rotate leftwards, the rotating direction of the inner ratchet wheel 402 is meshed with the ratchet direction of the pawl 406 in a reverse manner, the pawl 406, the connecting plate 403 and the second spur gear 304 are driven to rotate leftwards, the two valve plates 501 are driven to rotate to open the two outlets of the three-way pipe 201, the connecting plate 6 is pulled backwards to make the rectangular fixture block 604 clamped into the second rectangular clamping groove 603 for fixing, and the two openings of the three-way pipe 201 are always kept open, at the moment, the vehicle body 1 is pushed rightwards, so that the two spray heads 202 draw a solid waterline, and after lofting is finished, the connecting plate 6 is restored, so that the rectangular clamping block 604 is clamped into the first rectangular clamping groove 602 to seal two openings of the three-way pipe 201; this device is equipped with the dotted line lofting and realizes two kinds of modes of lofting, rotates to deviating from the horizontality and fixes through two valve plates 501 when realizing the lofting, then can draw out the straight solid waterline of very standard with coating through two shower nozzles 202, and during the dotted line lofting, draws back through two valve plates 501 and rotates and make two shower nozzles 202 draw out the dotted line waterline of very standard with the fixed frequency lofting to the switching easy operation of two kinds of modes.

Claims

1. The utility model provides a road water line lofting device which characterized in that includes:

a vehicle body (1);

the liquid storage tank (2) is fixedly connected to the upper end of the vehicle body (1), and a three-way pipe (201) is mounted on the liquid storage tank (2);

the two second rotating rods (5) are respectively and rotatably connected to the inner walls of the two sides of the vehicle body (1), and the close ends of the two second rotating rods (5) movably penetrate through the circumferential surface of the three-way pipe (201) and extend inwards;

the driving mechanism is connected with the vehicle body (1) to realize the linear motion of the vehicle body; and

the spraying component comprises a spray head (202), a valve plate (501) and a torsion spring (502), the spray head (202) is mounted on the three-way pipe (201), the valve plate (501) is fixedly connected to the circumferential surface of one of the second rotating rods (5), the valve plate (501) is rotatably connected to the circumferential inner wall of the three-way pipe (201), one end of the torsion spring (502) is fixedly connected to the circumferential surface of the three-way pipe (201), and the other end of the torsion spring (502) is fixedly connected to the circumferential surface of the second rotating rod (5);

the dotted line lofting component is connected with the valve plate (501) to realize reciprocating rotation of the valve plate so as to perform dotted line lofting through the spray head (202);

the solid lofting component is connected with the valve plate (501) to keep the valve plate in an open state so as to perform solid lofting through the nozzle (202).

2. A road waterline lofting device according to claim 1, characterized in that: the driving mechanism comprises two wheel shaft grooves (101), two wheel shafts (103) and a plurality of tires (104), the two wheel shaft grooves (101) are formed in the vehicle body (1), the two wheel shafts (103) are respectively connected in the two wheel shaft grooves (101) in a rotating mode, and the tires (104) are respectively fixedly connected to the circumferential surfaces of the two wheel shafts (103).

3. A road waterline lofting apparatus according to claim 2, characterized in that: the dotted line lofting component comprises a chain (301), a first rotating rod (302), a half gear (303), a second straight gear (304), a cross-shaped connecting piece (4) and two first straight gears (3), two ends of the cross-shaped connecting piece (4) are respectively and fixedly connected with the near ends of the two second rotating rods (5), the second spur gear (304) is connected with the outer surface of the cross-shaped connecting piece (4) in a sliding way, two ends of the first rotating rod (302) are respectively and rotatably connected with the inner walls of two sides of the vehicle body (1), the two first straight gears (3) are respectively and fixedly connected with the first rotating rod (302) and the circumferential surface of one wheel axle (103), the chain (301) is connected with the circumferential surfaces of the two first straight gears (3) in a transmission engagement way, the half gear (303) is fixedly connected to the circumferential surface of the first rotating rod (302), and the half gear (303) is intermittently meshed with the second straight gear (304).

4. A road waterline lofting apparatus according to claim 3, characterized in that: the solid line lofting part comprises an L-shaped sliding groove (105), an inner ratchet wheel (402), a connecting plate (6), a first rectangular clamping groove (602), a second rectangular clamping groove (603), a rectangular clamping block (604) and two fixing blocks (601), the L-shaped sliding groove (105) is arranged at the upper end of the car body (1), the inner ratchet wheel (402) is arranged at the outer side of the circumference of the cross-shaped connecting piece (4), the inner ratchet wheel (402) is connected with the second straight gear (304), the connecting plate (6) is connected in the L-shaped sliding groove (105) in a sliding manner, the connecting plate (6) is fixedly connected to the circumferential surface of the inner ratchet wheel (402), the two fixing blocks (601) are fixedly connected to the upper end of the car body (1), the first rectangular clamping groove (602) and the second rectangular clamping groove (603) are respectively arranged on the two fixing blocks (601), the rectangular clamping block (604) is fixedly connected to one side end of the connecting plate (6), and the rectangular clamping block (604) is matched with the first rectangular clamping groove (602) and the second rectangular clamping groove (603).

5. A road waterline lofting device according to claim 4, characterized in that: the lofting mechanism is still including rotating stop part, rotate stop part and include cross fretwork slider (401), connection pad (403), annular commentaries on classics piece (404), annular groove (405), pawl (406), spring (407) and connecting block (408), cross fretwork slider (401) sliding connection is in the surface of cross connecting piece (4), and cross fretwork slider (401) fixed connection is in a side of second straight-teeth gear (304), connecting block (408) fixed connection is in the surface of cross fretwork slider (401), connection pad (403) fixed connection is in a side of connecting block (408), a side of connection pad (403) is seted up in annular groove (405), annular commentaries on classics piece (404) fixed connection is in a side of interior ratchet (402), and annular commentaries on classics piece (404) rotate to be connected in annular groove (405), the pawl (406) is rotatably connected to one side end of the connecting disc (403), the pawl (406) is intermittently meshed with the inner ratchet wheel (402), and two ends of the spring (407) are fixedly connected to the near ends of the pawl (406) and the connecting block (408) respectively.

6. A road waterline lofting device according to claim 5, characterized in that: the spraying parts are arranged in two groups, and the two groups of spraying parts are symmetrical based on the midpoint of the vehicle body (1).

7. A road waterline lofting device according to claim 6, characterized in that: a plurality of fixing grooves (102) are formed in the vehicle body (1), and the three-way pipe (201) is fixedly connected into the fixing grooves (102).

8. A road waterline lofting device according to claim 7, characterized in that: the upper end of the vehicle body (1) is fixedly connected with two handles (106), and the two handles (106) are symmetrical based on the middle point of the vehicle body (1).