CN220200998U - Paying-off device for surveying and mapping - Google Patents

Abstract

The utility model relates to the technical field of constructional engineering measurement, and discloses a paying-off device for surveying and mapping, which comprises a triangular bracket and a box body movably arranged on the triangular bracket, wherein the box body is rectangular, and is characterized in that: the automatic winding machine is characterized in that a first cavity for automatic winding, containing and storing, a second cavity for dyeing, a third cavity for adjusting the height of the wire body, cleaning the wire body and guiding are sequentially formed in the box body, a cleaning pool is arranged in the inner bottom of the third cavity, an automatic winding disc for automatic winding is movably mounted at the center of the bottom of the first cavity, the cleaning pool is filled with cleaning liquid to adsorb and clean impurities remained on the ink wire through the roller wire device, the ink wire recovered after cleaning can be clean as before, the ink wire is re-colored through the rolling coloring device, and finally the ink wire is contained on the automatic winding disc, so that the mapping work efficiency is improved.

Description

Paying-off device for surveying and mapping

Technical Field

The utility model relates to the technical field of constructional engineering measurement, in particular to a paying-off device for surveying and mapping.

Background

The name of the paying-off device for surveying and mapping is a device for paying off in surveying and mapping. Through the retrieval of the inventor, prior art discloses a pay-off that survey and drawing was used, (application number is 202120508826.4), but the inside one side level of unwrapping wire case is provided with the wiring axle of reciprocal sideslip, the liquid case is installed to unwrapping wire case opposite side, one side of liquid case is provided with feed liquor pipe and fluid-discharge tube, the internally mounted of liquid case has a plurality of guide wheels that are used for guiding survey and drawing rope movement track, the guide wheel is arranged in the immersion liquid of liquid case with the survey and drawing rope, install the brush section of thick bamboo that the axial level set up on the case wall of unwrapping wire case, survey and drawing rope runs through the brush section of thick bamboo and extends to the outside of unwrapping wire case, but discover through the inventor of this technical scheme still has at least following defect:

the above-mentioned prior art is through setting up cleaning tank and heat source in the unwrapping wire incasement, although can realize certain cleaning and drying effect to the ink line, but above-mentioned scheme has only set up cleaning and drying, does not consider after the ink on the ink line is used to be consumed, how to supply ink, and above-mentioned scheme is through setting up a large amount of electronic components and in the unwrapping wire incasement portion and have under the circumstances of liquid pool in the unwrapping wire incasement portion, therefore can cause liquid leakage and cause the damage of electronic components, finally, above-mentioned scheme washs the pond and is provided with the liquid outlet, but can remain impurity in the cleaning tank and can not flow out through the liquid outlet, therefore there is certain use defect probably.

For this purpose, we propose a pay-off device for mapping.

Disclosure of Invention

The utility model mainly solves the technical problems existing in the prior art and provides a paying-off device for surveying and mapping.

In order to achieve the purpose, the utility model adopts the following technical scheme that the paying-off device for mapping comprises a triangular bracket and a box body movably arranged on the triangular bracket, wherein the box body is rectangular, a first cavity for automatic winding, storage and storage, a second cavity for dyeing and a third cavity for adjusting the height of a wire body, cleaning the wire body and guiding are sequentially formed in the box body, a cleaning pool is arranged in the bottom of the third cavity, an automatic winding disc for automatic winding is movably arranged at the center of the bottom of the first cavity, and an ink wire is arranged on the automatic winding disc;

bearings are fixedly arranged between the wall surfaces of the box bodies of the second cavity and the first cavity and in the wall surfaces of the box bodies of the second cavity and the third cavity, the bearings on two sides are horizontally aligned, and a rolling coloring device for coloring ink lines is arranged between the two bearings and is wave-shaped;

and the third cavity and the cleaning tank cavity are internally provided with a roller wire device for planning a route for the ink line, a threading pipe is fixedly penetrated through the side wall of the box body close to the roller wire device, the threading pipe is horizontally aligned with the bearing, one end of the ink line is fixed on the automatic winding disc, and the other end of the ink line sequentially penetrates through the bearing, the rolling coloring device, the roller wire device and the threading pipe.

As a preferred embodiment of the utility model, the rolling coloring device comprises a shell, the shell is in a wave shape, a sponge used for coloring an ink supply line is arranged in the shell, a wave-shaped channel is reserved in the middle of the sponge, an injection hole is arranged at the crest position of one side wall surface of the sponge, an injection device used for injecting ink is arranged above the injection hole, the injection device comprises a needle cylinder and a piston, and two ends of the shell are fixedly connected with two corresponding bearing inner rings.

As a preferred embodiment of the utility model, the roller wire device comprises a third roller for guiding the ink lines in a third cavity, a second roller horizontally aligned with the third roller and a first roller positioned in the cavity of the cleaning pool, wherein the first roller, the second roller and the third roller are positioned on the same vertical plane, and the ink lines sequentially pass through the third roller, the first roller and the second roller.

As a preferred implementation mode of the utility model, a second fixing column is fixedly arranged on one side wall surface of the third roller, which is far away from each other, the second fixing column is L-shaped, the other ends of the second fixing columns are fixedly connected with the inner wall of the corresponding third cavity, and a second fixing plate is fixedly arranged on the wall surface of the box body above the third roller;

two fixing columns are fixedly connected to a side wall surface, away from each other, of the second idler wheels, the other ends of the two fixing columns are fixedly connected with the inner wall of the corresponding third cavity, and the four second fixing columns are located on the same horizontal plane.

As a preferred implementation mode of the utility model, a first fixed column used for guiding is fixedly arranged on one side of the first roller, the first fixed column is a cylinder, a third fixed plate used for guiding and supporting the first fixed column is fixedly arranged at the bottom of the cleaning tank, the first fixed column is movably connected with the third fixed plate, a rotatable knob is arranged outside the box body, the knob is fixedly connected with a transmission rod, the transmission rod is a cylinder, the transmission rod movably penetrates through the side wall of the box body through a rotating bearing, a gear is fixedly arranged at the other end of the transmission rod, a first fixed plate is movably connected between the gear and the second fixed plate, the first fixed plate is concave, the bottom end of the first fixed plate is fixedly connected to the other side wall surface of the first roller, which is far away from the first fixed column, and a tooth block is fixedly arranged on the vertical end wall surface of the first fixed plate, which is far away from the second fixed plate.

As a preferred embodiment of the utility model, the side of the second fixing plate closest to the first fixing plate is provided with two groups of guiding components for vertically limiting the first fixing plate.

As a preferred implementation mode of the utility model, the two guide parts are distributed up and down, each guide part comprises a roller and a support column, each guide part is fixedly connected with the wall surface of the second fixing plate, and the roller is in sliding connection with the first fixing plate.

As a preferable implementation mode of the utility model, a liquid discharging device for discharging water to the cleaning tank is arranged under the threading pipe in a sealing way, the liquid discharging device is positioned under the threading pipe obliquely and is close to the bottom of the box body, and the liquid discharging device is connected with the outside and the cleaning tank through a circular pipeline.

As a preferred embodiment of the utility model, the upper parts Fang Junka of the first cavity, the second cavity and the third cavity are provided with corresponding box covers, and the box covers are provided with handles.

Advantageous effects

The utility model provides a paying-off device for surveying and mapping. The beneficial effects are as follows:

(1) This unwrapping wire ware is used in survey and drawing, this scheme makes the ink line get into inside wasing the pond through setting up gyro wheel wire device, washs the pond and is full of the washing liquid and will adsorb and wash remaining impurity on the ink line, and the ink line that is retrieved after wasing can become clean just like just, and rethread sets up the roll device of coloring and coloring again for the ink line, accomodates at last on automatic winding disc, has improved survey and drawing work efficiency.

(2) This unwrapping wire ware for survey and drawing, injection device fills up ink, squeeze into the injection hole with the ink through the extrusion piston rod, the ink flows into the sponge along the injection hole in, the ink is concentrated in the vicinity of injection hole this moment, because shell both ends fixedly connected with bearing, can make the shell rotate through the ball of bearing, so at rotatory in-process, centrifugal force can evenly distribute the ink to each corner of sponge, make the ink line can obtain the at utmost adhesion ink when carrying out the coloring, because the pipeline is wavy, the route in the pipeline can be longer than normal straight-through pipeline route, the time of coloring is of a specified duration and the area of coloring is bigger, the ink line can extrude the sponge under the effect of tensile force when the ink line passes through the crest, further improvement dyeing efficiency.

(3) This unwrapping wire ware is used in survey and drawing, the ink line gets into the box body after need No. one gyro wheel and No. two gyro wheel direction get into and wash in the pond, no. two gyro wheels have still played the effect that reduces the ink line wearing and tearing at this in-process, the lower extreme of No. one gyro wheel is walked around to the ink line, make the ink line get into the deeper place of wasing the pond, increase abluent area, the ink line gets into and washs the pond after, be in moist state, no. three gyro wheels get into No. two cavities are walked around to the ink line afterwards, in this process, because No. three gyro wheel surface materials are the sponge, residual moisture can be absorbed by the sponge on the ink line.

(4) This unwrapping wire ware for survey and drawing drives the transfer line rotation through setting up the knob, because the gear is fixed on the transfer line, so the gear can rotate and drive the tooth piece on the fixed plate, give the pulling force of fixed plate up-and-down motion, simultaneously No. three fixed plates, a fixed column can play the effect of direction and make the gyro wheel only reciprocate the possibility, initially realized the ability of gyro wheel up-and-down motion, because the ink line can walk around the gyro wheel, so after the height of a gyro wheel is adjusted, can make the ink line break away from or get into the wash pond, when the ink line is pulled out, the staff can adjust the height of a gyro wheel and make the ink line not pass through the wash pond, work with dry state.

Drawings

FIG. 1 is an overall perspective view of the present utility model;

FIG. 2 is a schematic view of the inside of one side of the case of the present utility model;

FIG. 3 is a schematic view of the inside of the other side of the case of the present utility model;

FIG. 4 is an enlarged view of the utility model at A in FIG. 3;

FIG. 5 is an enlarged view of the utility model at B in FIG. 4;

FIG. 6 is a cross-sectional view of the scrolling coloring device of the present utility model;

fig. 7 is a perspective view of a first fixing plate and a third fixing plate according to the present utility model.

Legend description: 10. a case body; 11. a tripod; 12. automatic winding disc; 13. a threading tube; 14. a liquid discharge device; 15. a knob; 16. a first cavity; 17. a second cavity; 18. a third cavity; 19. a cleaning pool; 20. an ink line; 21. a rolling coloring device; 22. a bearing; 30. a transmission rod; 31. a gear; 32. a first fixing plate; 33. a first roller; 34. a guide member; 35. a second fixing plate; 36. a third fixing plate; 37. a first fixed column; 38. a sponge; 39. an injection device; 40. an injection hole; 41. a second idler wheel; 42. a third roller; 43. a housing; 44. a second fixing column; 45. tooth blocks.

Detailed Description

The utility model provides a drawing is with unwrapping wire ware, is shown as fig. 1, fig. 2, fig. 3, fig. 4, includes the box body 10 of a tripod 11 and movable mounting on a tripod 11, and the box body 10 main part is the rectangle, offer in proper order in the box body 10 and be used for automatic kinking, accomodate and store No. one cavity 16, be used for the dyeing No. two cavity 17 and be used for adjusting the line height, wash No. three cavity 18 of line body and direction, no. three cavity 18 installs the cleaning tank 19 in the chamber, no. one cavity 16 bottom central movable mounting has the automatic kinking dish 12 that is used for automatic kinking, is provided with the ink line 20 on the automatic kinking dish 12, and automatic kinking dish 12 is driven by servo motor.

When the paying-off device for mapping of the scheme is used, firstly, the bottom end of the triangular support 11 is inserted into the ground, meanwhile, the top of the triangular support 11 is guaranteed to be in a horizontal state, the triangular support 11 is of the prior art, details are omitted here, the first cavity 16 is used for automatically winding, storing and storing the ink lines 20, the second cavity 17 is used for dyeing the ink lines 20, and the third cavity 18 and the cleaning pool 19 are used for cleaning and adjusting the ink lines 20.

Bearings 22 are fixedly arranged between the wall surfaces of the box body 10 of the second cavity 17 and the first cavity 16 and in the wall surfaces of the box body 10 of the second cavity 17 and the third cavity 18, the bearings 22 on two sides are horizontally aligned, a rolling coloring device 21 for coloring the ink lines 20 is arranged between the two bearings 22, and the rolling coloring device 21 is in a wave shape.

The third cavity 18 and the cleaning tank 19 are internally provided with a roller wire guide device for planning a route for the ink line 20, a threading pipe 13 is fixedly penetrated on the side wall of the box body 10 close to the roller wire guide device, the threading pipe 13 is horizontally aligned with the bearing 22, one end of the ink line 20 is fixed on the automatic winding disc 12, and the other end of the ink line 20 sequentially penetrates through the bearing 22, the rolling coloring device 21, the roller wire guide device and the threading pipe 13.

Specifically, when the ink line 20 is pulled out and paying off is measured, impurities such as soil, garbage and dust adhere to the surface, at this time, when the automatic winding disc 12 pulls the ink line 20 back to the box body 10 through automatic rotation, the ink line 20 passes through the threading tube 13, the aperture setting of the threading tube 13 is smaller, the soil, garbage and dust on the ink line 20 are discharged outside the box body 10 through physical extrusion at the inlet and outlet of the threading tube 13, and therefore, the simple cleaning is performed once, and the efficiency of cleaning the ink line 20 is improved.

Secondly, the ink lines 20 enter the cleaning tank 19 through the roller wire device, the cleaning tank 19 is filled with cleaning liquid to adsorb and clean impurities remained on the ink lines 20, the ink lines 20 recovered after the two times of cleaning become clean as before, and the cleaning force of the ink lines 20 is increased.

Finally, the ink lines 20 are contracted by the automatic winding disc 12, and when the ink lines pass through the rolling coloring device 21, the ink lines 20 are re-colored in the rolling coloring device 21 and are stored on the automatic winding disc 12 again, so that the mapping work efficiency is improved.

As shown in fig. 6, the rolling coloring device 21 includes a housing 43, the housing 43 is in a wave shape, a sponge 38 for coloring the ink line 20 is disposed in the housing 43, a wave-shaped channel is reserved in the middle of the sponge 38, an injection hole 40 is disposed at a crest position of a side wall surface of the sponge 38, an injection device 39 for injecting ink is disposed above the injection hole 40, the injection device 39 includes a syringe and a piston, and two ends of the housing 43 are fixedly connected with inner rings of two corresponding bearings 22.

Specifically, the injection device 39 is filled with ink, the ink is extruded into the injection hole 40 by extruding the piston rod, the ink flows into the sponge 38 along the injection hole 40, at this time, the ink is intensively distributed near the injection hole 40, because the two ends of the housing 43 are fixedly connected with the bearings 22, the housing 43 can rotate through the balls of the bearings 22, so that the ink can be uniformly distributed to all corners of the sponge 38 by centrifugal force in the rotating process, the ink line 20 can be adhered to the ink to the greatest extent when the ink line is colored, the route in the pipeline is in a wavy shape, the route in the pipeline is longer than the route of a normal straight-through pipeline, the coloring time is longer and the coloring area is larger, the ink line 20 can squeeze the sponge 38 under the action of the pulling force when the ink line 20 passes through the wave crest, the dyeing efficiency is further improved, and the working efficiency of the paying-off device is improved.

As shown in fig. 2, 4 and 7, the roller wire guiding device includes a third roller 42 in the cavity 18 for guiding the ink line 20, a second roller 41 horizontally aligned with the third roller 42, and a first roller 33 in the cavity of the cleaning tank 19, where the first roller 33, the second roller 41 and the third roller 42 are on the same vertical plane, the ink line 20 sequentially passes through the third roller 42, the first roller 33 and the second roller 41, and the third roller 42 is provided with a water absorbing sponge with strong adsorption capacity.

Specifically, after the ink line 20 enters the box body 10, the first roller 33 and the second roller 41 are required to guide and enter the cleaning tank 19 for cleaning, the second roller 41 also plays a role in reducing abrasion of the ink line 20 in the process, the ink line 20 bypasses the lower end of the first roller 33, the ink line 20 enters a deeper part of the cleaning tank 19, the cleaning area is increased, and the cleaning efficiency is improved.

Secondly, after the ink lines 20 enter the cleaning tank 19 and are cleaned, the ink lines 20 are in a moist state, then bypass the third roller 42 and enter the second cavity 17, in the process, as the surface material of the third roller 42 is sponge, residual moisture on the ink lines 20 can be absorbed by the sponge, and the efficiency of subsequent work is improved.

Finally, since the first roller 33, the second roller 41 and the third roller 42 are on the same vertical plane, the ink line 20 is less rubbed, and the receiving and line-out efficiency is significantly improved.

As shown in fig. 2 and 4, a second fixing column 44 is fixedly mounted on a side wall surface, away from each other, of the third roller 42, the second fixing column 44 is L-shaped, the other ends of the second fixing columns 44 are fixedly connected with the inner wall of the corresponding third cavity 18, and a second fixing plate 35 is fixedly mounted on the wall surface of the box body 10 above the third roller 42;

two second fixing columns 44 are fixedly connected to a side wall surface, away from each other, of the second roller 41, the other ends of the two second fixing columns 44 are fixedly connected with the inner wall of the corresponding third cavity 18, and the four second fixing columns 44 are located on the same horizontal plane.

Specifically, limit and fix for No. three gyro wheels 42 through setting up two No. two fixed columns 44, simultaneously, can produce pressure when the ink line 20 passes through No. three gyro wheels 42, no. three gyro wheels 42 can be given to two No. two fixed columns 44 with holding power, guaranteed the stability of structure, no. two fixed columns 44 on No. two gyro wheels 41 play with above-mentioned unanimous effect, improved the stability of structure.

As shown in fig. 4 and 7, a first fixing column 37 for guiding is fixedly installed on one side of the first roller 33, the first fixing column 37 is a cylinder, a third fixing plate 36 for guiding and supporting the first fixing column 37 is fixedly installed at the bottom of the cleaning tank 19, the first fixing column 37 is movably connected with the third fixing plate 36, a rotatable knob 15 is arranged outside the box body 10, the knob 15 is fixedly connected with a transmission rod 30, the transmission rod 30 is a cylinder, the transmission rod 30 movably penetrates through the side wall of the box body 10 through a rotating bearing, a gear 31 is fixedly installed at the other end of the transmission rod 30, a first fixing plate 32 is in a concave shape, the bottom end of the first fixing plate 32 is fixedly connected to the other side wall surface of the first roller 33, far away from the first fixing column 37, and a tooth block 45 is fixedly installed on the vertical end wall surface of the first fixing plate 32, far away from the second fixing plate 35.

Specifically, the transmission rod 30 is driven to rotate by the knob 15, and because the gear 31 is fixed on the transmission rod 30, the gear 31 can rotate to drive the tooth block 45 on the first fixing plate 32 to pull the first fixing plate 32 to move up and down, and meanwhile, the third fixing plate 36 and the first fixing column 37 can play a guiding role to enable the first roller 33 to move up and down only, so that the up and down movement capability of the first roller 33 is primarily realized.

Finally, since the ink line 20 bypasses the first roller 33, after the height of the first roller 33 is adjusted, the ink line 20 can be separated from or enter the cleaning tank 19, and when the ink line 20 is pulled out, a worker can adjust the height of the first roller 33 to make the ink line 20 work in a dry state without passing through the cleaning tank 19, so that the working efficiency is improved.

As shown in fig. 5, the side of the second fixing plate 35 closest to the first fixing plate 32 is provided with two sets of guide members 34 for vertically limiting the first fixing plate 32. As shown in fig. 1-3, two guiding members 34 are vertically distributed, each guiding member 34 comprises a roller and a supporting column, each guiding member 34 is fixedly connected with the wall surface of a second fixing plate 35, and the roller is slidably connected with the first fixing plate 32.

Specifically, through setting up No. two fixed plates 35 and a set of direction part 34 and making No. one fixed plate 32 can not rotate on vertical plane, reach vertical spacing effect, a set of direction part 34 lets No. one fixed plate 32 more stable when the upper and lower activity, the frictional force that produces when the gyro wheel on the direction part 34 can reduce spacing, has improved staff's efficiency.

As shown in fig. 3, a drain device 14 for draining the cleaning tank 19 is hermetically installed below the threading pipe 13, the drain device 14 is located obliquely below the threading pipe 13 and the drain device 14 is close to the bottom of the box body 10, and the drain device 14 is connected with the outside and the cleaning tank 19 through a circular pipeline.

Specifically, after the ink line 20 is cleaned for several times, the cleaning solution in the cleaning tank 19 may be filled with impurities, at this time, the cleaning solution in the cleaning tank 19 needs to be replaced, the channel of the liquid discharging device 14 is installed at the bottom of the cleaning tank 19, the switch of the liquid discharging device 14 is turned on, the liquid in the cleaning tank 19 flows out along the channel of the liquid discharging device 14 under the action of pressure, and meanwhile, the cabinet door of the box body 10 is opened to be filled with the cleaning solution, so that the replacement of the cleaning solution is completed, and the cleaning efficiency of the ink line 20 is improved.

As shown in fig. 1, the upper parts Fang Junka of the first cavity 16, the second cavity 17 and the third cavity 18 are provided with corresponding box covers, and the box covers are provided with handles.

Specifically, the setting of the box cover is convenient for the staff to maintain the paying-off device, the box cover above the third cavity 18 is opened to clean the residual impurities in the cleaning pool 19, the box cover above the second cavity 17 is opened to fill ink into the rolling coloring device 21, the box cover above the first cavity 16 is opened to overhaul the automatic winding disc 12, the disassembling time of the integrated box body is saved, and the use efficiency of the staff is improved.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (9)

1. The utility model provides a unwrapping wire ware that survey and drawing was used, includes tripod (11) and movable mounting box body (10) on tripod (11), and box body (10) main part is rectangle, its characterized in that: a first cavity (16) for automatic winding, storage and storage, a second cavity (17) for dyeing and a third cavity (18) for adjusting the wire height, cleaning the wire body and guiding are sequentially formed in the box body (10), a cleaning pool (19) is arranged at the bottom of the third cavity (18), an automatic winding disc (12) for automatic winding is movably arranged at the center of the bottom of the first cavity (16), and an ink wire (20) is arranged on the automatic winding disc (12);

bearings (22) are fixedly arranged between the wall surfaces of the box body (10) of the second cavity (17) and the first cavity (16) and in the wall surfaces of the box body (10) of the second cavity (17) and the third cavity (18), the bearings (22) on two sides are horizontally aligned, a rolling coloring device (21) for coloring the ink lines (20) is arranged between the two bearings (22), and the rolling coloring device (21) is in a wave shape;

the three-cavity (18) and the cleaning tank (19) are internally provided with a roller wire device for planning a route for the ink wires (20), a threading pipe (13) is fixedly penetrated through the side wall of the box body (10) close to the roller wire device, the threading pipe (13) is horizontally aligned with the bearing (22), one end of the ink wires (20) is fixed on the automatic winding disc (12), and the other end of the ink wires (20) sequentially penetrates through the bearing (22), the rolling coloring device (21), the roller wire device and the threading pipe (13).

2. The line dispenser for mapping according to claim 1, wherein: the rolling coloring device (21) comprises a shell (43), the shell (43) is in a wave shape, a sponge (38) used for coloring the ink lines (20) is arranged in the shell (43), a wave-shaped channel is reserved in the middle of the sponge (38), an injection hole (40) is formed in the crest position of one side wall surface of the sponge (38), an injection device (39) used for injecting ink is arranged above the injection hole (40), the injection device (39) comprises a needle cylinder and a piston, and two ends of the shell (43) are fixedly connected with inner rings of two corresponding bearings (22).

3. The line dispenser for mapping according to claim 1, wherein: the roller wire device comprises a third roller (42) used for guiding the ink line (20) in a third cavity (18), a second roller (41) horizontally aligned with the third roller (42) and a first roller (33) positioned in the cavity of the cleaning tank (19), wherein the first roller (33), the second roller (41) and the third roller (42) are positioned on the same vertical plane, and the ink line (20) sequentially passes through the third roller (42), the first roller (33) and the second roller (41).

4. A mapping payoff device as defined in claim 3, wherein: a second fixing column (44) is fixedly arranged on one side wall surface, away from each other, of each third roller (42), the second fixing column (44) is L-shaped, the other ends of the second fixing columns (44) are fixedly connected with the inner wall of the corresponding third cavity (18), and a second fixing plate (35) is fixedly arranged on the wall surface of the box body (10) above the third roller (42);

two No. two fixed columns (44) are fixedly connected to a side wall surface, away from each other, of the No. two rollers (41), the other ends of the No. two fixed columns (44) are fixedly connected with the inner wall of the corresponding No. three cavities (18), and the four No. two fixed columns (44) are located on the same horizontal plane.

5. A mapping payoff device as defined in claim 3, wherein: a fixed column (37) for guiding is fixedly arranged on one side of the first roller (33), the first fixed column (37) is a cylinder, a third fixed plate (36) for guiding and supporting the first fixed column (37) is fixedly arranged at the bottom of the cleaning tank (19), the first fixed column (37) is movably connected with the third fixed plate (36), a knob (15) capable of rotating is arranged outside the box body (10), a transmission rod (30) is fixedly connected to the knob (15), the transmission rod (30) is a cylinder, the transmission rod (30) movably penetrates through the side wall of the box body (10) through a rotating bearing, a gear (31) is fixedly arranged at the other end of the transmission rod (30), a first fixed plate (32) is movably connected between the gear (31) and the second fixed plate (35), the first fixed plate (32) is concave, the bottom end of the first fixed plate (32) is fixedly connected to the other side wall surface, far away from the first fixed column (36), of the second fixed plate (35), and a tooth block (45) is fixedly arranged on the vertical end wall surface, far away from the second fixed plate (35).

6. The line drawing machine according to claim 5, wherein: one side of the second fixing plate (35) closest to the first fixing plate (32) is provided with guide components (34) for vertically limiting the first fixing plate (32), and the number of the guide components (34) is two.

7. The line dispenser for mapping according to claim 6, wherein: the two guide parts (34) are vertically distributed, each guide part (34) comprises a roller and a supporting column, each guide part (34) is fixedly connected with the wall surface of the second fixing plate (35), and the roller is in sliding connection with the first fixing plate (32).

8. The line dispenser for mapping according to claim 1, wherein: the lower part of the threading pipe (13) is provided with a liquid discharge device (14) for discharging water to the cleaning tank (19) in a sealing way, the liquid discharge device (14) is positioned at the obliquely lower part of the threading pipe (13) and is close to the bottom of the box body (10), and the liquid discharge device (14) is connected with the outside and the cleaning tank (19) through a circular pipeline.

9. The line dispenser for mapping according to claim 1, wherein: the upper Fang Junka of the first cavity (16), the second cavity (17) and the third cavity (18) is provided with corresponding box covers, and the box covers are provided with handles.