CN112848759A

CN112848759A - Surveying and mapping equipment for engineering construction

Info

Publication number: CN112848759A
Application number: CN202011622324.0A
Authority: CN
Inventors: 顾春荣; 黄达智; 沈昂儿
Original assignee: Wanjian Construction Co ltd
Current assignee: Wanjian Construction Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-05-28

Abstract

The invention discloses mapping equipment for engineering construction, which comprises a protective shell, an A panel arranged on the protective shell, a B panel arranged on the protective shell, a mapping area arranged on the A panel, a cover plate which is rotatably connected with the A protective shell 1, a reinforcing plate, a magnetic block fixedly connected with the A panel, a hand-held hole arranged on the B surface, a paper storage mechanism arranged on the protective shell, a paper changing mechanism arranged on the protective shell, a fixing mechanism arranged on the protective shell, a reference mechanism arranged on the panel, a pencil storage mechanism arranged on the protective shell and a pencil sharpening mechanism arranged on the protective shell, wherein the A panel is arranged on the protective shell; the pencil storage mechanism can be used for rapidly storing pencils with any length, is safe and reliable, cannot be lost or damaged, and reduces waste; the paper storage bin can prevent drawing paper from being insufficient or from being polluted by dust; the quick replacement that trades paper mechanism can realize the drawing paper is fixed, improves work efficiency.

Description

Surveying and mapping equipment for engineering construction

Technical Field

The invention belongs to the technical field of engineering surveying and mapping, and particularly relates to surveying and mapping equipment for engineering construction.

Background

Although the current electronic drawing tools are well developed, the manual drawing board is still one of the indispensable drawing tools in the engineering drawing field, and is often used for drawing coordinates or some engineering sketches; the existing surveying and mapping plate has single function, and often needs to be additionally provided with some auxiliary tools, such as a drawing pencil, a square and the like; the tools are often scattered and easy to lose, so that the surveying and mapping work is influenced while waste is caused; meanwhile, in the field of surveying and mapping, the drawing is frequently replaced, and a common method for a surveying and mapping board to carry a plurality of pieces of paper is to stack the plurality of pieces of paper together through a clamp and use the uppermost piece of paper at a time, but the pieces of paper are exposed outside, so that the environment on a construction site is relatively complex, much dust is easily attached to the drawing paper, and the use of drawing is influenced; moreover, the use of lamination leaves traces of the upper paper on the lower drawing paper, which is likely to cause visual errors.

Disclosure of Invention

The invention provides multifunctional mapping equipment for engineering construction, aiming at overcoming the defects of the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme: a surveying and mapping device for engineering construction comprises a protective shell, an A panel arranged on the protective shell, a B panel arranged on the protective shell, a drawing area arranged on the A panel, a cover plate rotatably connected to the A protective shell, a reinforcing plate fixedly connected to the cover plate, a magnetic block fixedly connected to the A panel, a hand-held hole arranged on the B surface, a paper storage mechanism arranged on the protective shell, a paper changing mechanism arranged on the protective shell, a fixing mechanism arranged on the protective shell, a reference mechanism arranged on the A panel, a pencil storage mechanism arranged on the protective shell and a pencil sharpening mechanism arranged on the protective shell; the panel A and the panel B form a certain included angle, a certain viewing included angle and a certain writing included angle can be generated when the panel A and the panel B are horizontally placed, a right angle can be formed with the sight of a user more easily, the cervical vertebra pressure of the user is relieved, the device accords with ergonomics and is more convenient to use, control equipment such as a paper replacement mechanism and the like is arranged on the left side, a pencil storage mechanism is arranged on the right side, and the writing habit of most people is better met; the portable holes are convenient for the user to carry, and meanwhile, the wall can be conveniently hung; the cover plate can store the drawing paper under the cover plate after use, so that the protection effect is achieved, the pollution caused by water and dust is avoided, and the safety of the drawing is improved; the reinforcing plate is made of metal and can be adsorbed by the magnetic block when being closed to form locking;

the pencil storage mechanism comprises a plurality of storage holes arranged on the right side of the protective shell, a sliding chute arranged on the storage control side, anti-skid teeth fixedly connected to the sliding chute, a shaft sleeve slidably connected to the storage holes, a sliding strip fixedly connected to the shaft sleeve, an extrusion ring slidably connected to the shaft sleeve, a sliding rod fixedly connected to the extrusion ring, a sliding groove arranged on the shaft sleeve, an extrusion inclined plane arranged in the shaft sleeve, a flange fixedly connected to the extrusion ring, a notch arranged on the sliding strip, a limiting tooth slidably connected to the notch, a starting disc rotatably connected to the shaft sleeve, a starting inclined plane fixedly connected to the starting disc, a connecting spring connecting the sliding strip and the sliding rod, and a pressure spring arranged on the storage control side; the extrusion ring is composed of a plurality of extrusion single sheets; when a user takes in a pencil, the tail of the pencil is held by a hand, the head of the pencil stretches into the accommodating hole, the pencil body passes through the extrusion ring, the extrusion ring can be driven to move backwards, a plurality of extrusion single sheets are drawn close to the middle under the action of the extrusion inclined plane, the pencil body of the pencil is clamped tightly, the pressure spring is compressed gradually, the sliding rod slides downwards gradually along the sliding groove, the shaft sleeve is driven to slide downwards, when the user stretches the pencil into the accommodating hole mostly, fingers are loosened, the sliding rod rotates along the sliding groove under the action of the connecting spring, the sliding rod slides to the tail end of the sliding groove, the starting disc is pushed to rotate, the inclined plane is started to extrude limiting teeth, the limiting teeth slide along the periphery of the shaft sleeve of the notch and are finally meshed with the anti-skidding teeth, the pencil is clamped tightly, and stretching and inserting actions can not be realized; when the pencil is needed to be used, only the exposed part of the pencil needs to be slightly rotated, the sliding rod can slide forwards along the sliding groove, the starting disc is reset, the limiting teeth are pushed back, the shaft sleeve drives the pencil to slide outwards under the action of the pressure spring, meanwhile, the single extruding sheet is extruded out from the extruding inclined plane, the pencil is not clamped any more, and the pencil can be taken down easily; the pencil holder is provided with a plurality of accommodating holes, and can accommodate pencils with different colors for use; simultaneously, the design of spacing tooth and antiskid tooth can the pencil of centre gripping arbitrary length to can not harm the pencil, and keep the pencil to expose partly also can operate all the time and take off the pencil, avoid the pencil too short can't be accomodate and lose, reduce extravagantly. The storage mode of the pencil is changed into a pressing storage mode through the design of the sliding groove and the sliding rod, the pencil can be fixed firmly after being taken out in a rotating mode, the pencil cannot be popped up accidentally when the pressing force and the extrusion force are visible everywhere in life, and the accidental loss of the pencil is avoided; the multi-piece type single piece extrusion pencil can adapt to pencils with various shapes, does not damage the surface of the pencil, does not break the pencil core, and is safe and reliable.

The paper storage mechanism comprises a paper storage bin arranged on the protective shell, a paper inlet arranged on the paper storage bin, a paper supporting plate connected to the paper inlet in a sliding manner, a sealing strip fixedly connected to the paper supporting plate, a rail groove arranged on the paper supporting plate, and a paper pushing block connected to the paper storage bin in a sliding manner; a spring is arranged at the lower part of the paper ejection block; a certain amount of drawing paper is stacked and placed on the paper supporting plate, and the sealing strip is pushed, so that the certain amount of drawing paper can be safely stored in the paper storage bin; the drawing can be prevented from being affected by dust and moisture on a construction site, and the waste of the drawing is reduced; meanwhile, drawer-type drawings are placed more conveniently, and the track groove and the paper ejection block can provide a certain guiding effect for the sliding of the paper support plate, so that the sliding is smoother.

The paper changing mechanism comprises a paper outlet groove arranged at the bottom of the panel A, a rotary groove communicated with the paper outlet groove, a rotary roller rotatably connected with the rotary groove, a paper inlet groove communicated with the paper storage groove, paper inlet groove two sides arranged on the paper inlet groove, a plurality of pushing rollers fixedly connected with the pushing rollers, a driving rod fixedly connected with the pushing rollers, a driving bin arranged on the protective shell, a first power shaft rotatably connected with the driving bin, a second power shaft rotatably connected with the driving bin, a first power gear fixedly connected with the first power shaft, a second gear fixedly connected with the second power shaft, a driving shaft rotatably connected with the protective shell, a driving wheel sleeved on the driving shaft, a paper rolling groove arranged on the paper storage bin, a paper rolling roller rotatably connected with the paper rolling groove, a pressing block sleeved on the paper rolling roller and the driving shaft, The paper twisting device comprises a torsion spring fixedly connected to the pressing block, a paper twisting belt sleeved on the paper twisting roller and the driving shaft, a large gear fixedly connected to the driving shaft, an auxiliary bin connected to the driving bin, an auxiliary gear rotatably connected to the auxiliary bin, an auxiliary belt sleeved on the auxiliary gear and the large gear, a gear groove arranged on the protective shell, a driving rack slidably connected to the gear groove and a manual sliding block fixedly connected to the driving rack; the driving rack is meshed with the auxiliary gear; when the drawing needs to be replaced, the manual sliding block is pressed to slide downwards, the manual sliding block drives the driving rack to slide downwards along the gear groove, the auxiliary gear is driven to rotate, the large gear rotates to drive the pressing block to slide along the paper twisting groove, when the paper twisting roller contacts paper in the paper storage bin, the paper twisting belt drives the paper twisting roller to rotate, drawing paper on the uppermost layer enters the paper feeding groove under the action of friction force, meanwhile, the plurality of pushing rollers start to rotate under the action of the first power gear and the second power gear, the drawing paper passes through the rotary groove under the action of the pushing rollers, reaches the panel A from the paper discharging groove and moves upwards along the drawing area; the drawing can be quickly and conveniently replaced by the manual slide block, so that the operation time is greatly saved, and the working efficiency is improved; the paper piece that pushes up can be with the paper jack-up in the paper storage storehouse, the paper of the superiors is located the entrance in paper feed groove all the time in making the paper storage storehouse, and the paper pickup wheel can be when gear wheel is rotatory, carry out the action of pushing down earlier, make the paper pickup wheel the lower part and the drawing contact of the superiors, two mechanisms can guarantee that the drawing paper of arbitrary thickness can all relax and catch by the paper pickup wheel, and can not leave over the drawing paper in the paper storage storehouse, avoid causing the waste, and simultaneously, the appearance of card paper phenomenon has also been avoided in the design of paper piece that pushes up, reduce the fault rate, and the efficiency is improved.

The fixing mechanism comprises an air pressure bin arranged on the protective shell, a pressure column slidably connected to the air pressure bin, an air pressure spring arranged on the rear side of the pressure column, a fixing rail arranged on the protective shell, a groove arranged on the fixing rail, a fixing slide block slidably connected to the fixing rail, an air pipe arranged on the fixing slide block and the pressure column, a fixing plate fixedly connected to the fixing slide block, an adsorption hole arranged on the fixing plate, a connecting arm fixedly connected to the fixing slide block, an auxiliary groove arranged on the protective shell, and a compression spring connected between the connecting arm and the driving rack; the vent pipe is communicated with the adsorption hole and the air pressure bin; when the driving rack slides downwards, the compression spring stretches to drive the connecting arm to slide along the auxiliary groove, the fixed sliding block is driven to slide downwards and leftwards, further, the pressure column slides leftwards along the air pressure bin, the air pressure spring compresses, the pressure in the air pressure bin increases, the air is discharged from the adsorption hole through the vent pipe, the fixed plate slides leftwards along the fixed track and finally contacts with the upper surface of the drawing paper coming out of the paper outlet groove, when a user looses hands, the air pressure spring releases pressure to drive the driving rack and the pressure column to gradually reset and move rightwards, the pressure in the air pressure chamber decreases, negative pressure occurs, air enters the air pressure bin from the adsorption hole to be supplemented, suction force is generated, the upper surface of the drawing paper is adsorbed and driven to move upwards along a drawing area, the fixed plate moves upwards and rightwards along the fixed track gradually, and because the fixed track upwards inclines, the pressing spring generates tension, the fixing plate drives the drawing paper to be finally buckled with the groove and stops moving, and the drawing paper is fixed on the A layout to finish one-time paper replacement; the pneumatic bin and the adsorption hole can move above printing paper when the driving rack moves leftwards, and suction force is generated when the driving rack resets, so that the drawing paper is driven to be flatly laid in a drawing area on one hand, and on the other hand, the drawing paper can be firmly fixed at last, and the paper is prevented from moving in the drawing process, and drawing errors are caused; the upper left corner of the paper is fixed, so that most of the drawing area is reserved, and the drawing operation of the right hand cannot be blocked; only need a left hand just to accomplish whole paper fixed operation that trades, intelligence labour saving, convenient reliable has greatly promoted survey and drawing efficiency.

The reference mechanism comprises a surveying and mapping area arranged in the center of the panel A, a main laser head rotatably connected to the center of the upper part of the panel A, a steering mirror arranged on the upper part of the right side of the panel A, an auxiliary laser head rotatably connected to the center of the right side of the panel A and a laser track arranged in the panel A; angles are engraved on the main laser head and the auxiliary laser head in the circumferential direction; scales are arranged on four edges of the mapping area; the main laser head can rotate 180 degrees and project a vertical laser reference line in a drawing area; when the projection of the cross shaft is needed, the light path of the main laser head needs to be aligned to the steering mirror, the light path is sent out from the auxiliary laser head after being steered by the steering mirror, the laser reference line in the horizontal direction can be made, the conventional ruler is replaced for auxiliary drawing, the definition is high, the error is low, and meanwhile, the reflection light path is inside the laser track, and the anti-interference capability is high.

In summary, the invention has the following advantages: the pencil storage mechanism can be used for rapidly storing pencils with any length, is safe and reliable, cannot be lost or damaged, and reduces waste; the paper storage bin can prevent drawing paper from being insufficient or from being polluted by dust; the quick replacement that trades paper mechanism can realize the drawing paper is fixed, improves work efficiency.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a top view of the present invention.

Fig. 3 is a cross-sectional view taken along a-a of fig. 2.

Fig. 4 is an enlarged view of a portion a in fig. 3.

Fig. 5 is a cross-sectional view taken along line B-B of fig. 2.

Fig. 6 is an enlarged view at B in fig. 5.

Fig. 7 is an enlarged view at C in fig. 5.

Fig. 8 is a cross-sectional view taken along line C-C of fig. 2.

Fig. 9 is an enlarged view at D in fig. 8.

Fig. 10 is a side view of the present invention.

Fig. 11 is a cross-sectional view taken along line D-D of fig. 10.

FIG. 12 is a schematic view of the mechanism of the pencil housing mechanism of the present invention.

Fig. 13 is a perspective view of the paper changing mechanism of the present invention.

Fig. 14 is a perspective view of the securing mechanism.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

As shown in fig. 1-14, a surveying and mapping device for engineering construction comprises a protective shell 1, a panel a 11, a panel B12, a drawing area 13, a cover plate 14, a reinforcing plate 15, a magnet 16, a hand-held hole 17, a paper storage mechanism 2, a paper changing mechanism 3, a fixing mechanism 4, a reference mechanism 5, a pencil storage mechanism 6 and a pencil sharpening mechanism 7; the panel A11 is arranged at the upper part of the protective shell 1; the B panel 12 is arranged at the rear part of the protective shell 1; the drawing area 13 is provided in the center of the a-panel 11; the cover plate 14 is rotatably connected to the protective shell 1, and the reinforcing plate 15 is fixedly connected to the cover plate 14; the magnetic block 16 is fixedly connected to the lower part of the panel A11; the hand-held hole 17 is arranged on the B panel 12, and the paper storage mechanism 2 is arranged in the protective shell 1; the paper changing mechanism 3 is arranged on the left side of the protective shell 1; the fixing mechanism 4 is arranged at the upper part of the protective shell 1; the reference mechanism 5 is arranged on the upper part of the A panel 11; the pencil storage mechanism 6 is arranged on the right side of the protective shell 1; the pencil sharpening mechanism 7 is arranged on the right side of the protective shell 1.

The pencil storage mechanism 6 comprises a storage hole 61, a sliding groove 62, an anti-slip tooth 63, a shaft sleeve 64, a sliding strip 65, a squeezing ring 66, a sliding rod 67, a sliding groove 68, a squeezing inclined surface 69, a flange 610, a notch 611, a limiting tooth 612, a starting disc 613, a starting inclined surface 614, a connecting spring 615 and a pressure spring 616; the two accommodating holes 61 are arranged on the right side of the protective shell 1; the sliding grooves 62 are arranged on two sides of the accommodating hole 61; the anti-slip teeth 63 are fixedly connected to the sliding grooves 62; the shaft sleeve 64 is slidably connected to the receiving hole 61; the slide bar 65 is fixedly connected to the shaft sleeve 64; the pressing ring 66 is slidably connected to the sleeve 64; the sliding rod 67 is fixedly connected to the extrusion ring 66; the sliding groove 68 is arranged on the shaft sleeve 64; the extrusion bevel 69 is arranged in the shaft sleeve 64; the flange 610 is fixedly connected to the pressing ring 66; the notch 611 is provided on the slide bar 65; the limit tooth 612 is slidably connected to the notch 611; the activation disc 613 is rotatably connected to the sleeve 64; the actuating ramp 614 is fixedly connected to the actuating plate 613; the connecting spring 615 connects the slide bar 65 and the slide bar 67; the pressure spring 616 is arranged in the accommodating hole 61; the extrusion ring 66 is composed of a plurality of extruded single sheets;

the paper storage mechanism 2 comprises a paper storage bin 21, a paper inlet 22, a paper supporting plate 23, a sealing strip 24, a rail groove 25 and a paper pushing block 26; the paper storage bin 21 is arranged in the protective shell 1; the paper inlet 22 is arranged on the right side of the paper storage bin 21; the paper supporting plate 23 is connected to the paper feeding port 22 in a sliding manner; the sealing strip 24 is fixedly connected to the paper supporting plate 23; the track groove 25 is arranged on the paper supporting plate 23; the paper ejection block 26 is slidably connected to the paper storage bin 21; the lower part of the paper ejection block 26 is provided with a spring.

The paper changing mechanism 3 comprises a paper outlet groove 31, a rotary groove 32, a rotary roller 33, a paper inlet groove 34, a pushing roller 35, a driving rod 36, a driving bin 37, a first power shaft 38, a second power shaft 39, a first power gear 310, a second power gear 311, a driving shaft 312, a driving wheel 313, a paper twisting groove 314, a paper twisting roller 315, a pressing block 316, a torsion spring 317, a paper twisting belt 318, a large gear 319, an auxiliary bin 320, an auxiliary gear 321, an auxiliary belt 322, a gear groove 323, a driving rack 324 and a manual slider 325; the paper outlet slot 31 is arranged at the bottom of the A panel 11; the rotary groove 32 is communicated with the paper outlet groove 31; the rotary roller 33 is rotatably connected to the rotary groove 32; the paper feeding groove 34 is communicated with the rotary groove 32 and the paper storage groove; the eight pushing rollers 35 are arranged on two sides of the paper feeding groove 34 and can be rotatably connected to the protective shell 1; the driving rod 36 is fixedly connected to the pushing roller 35; the driving bin 37 is arranged at the lower part of the protective shell 1; the first power shaft 38 is rotatably connected to the driving bin 37; the second power shaft 39 is rotatably connected with the driving bin 37; the first power gear 310 is fixedly connected to the first power shaft 38; the second power gear 311 is fixedly connected to the second power shaft 39; the driving shaft 312 is rotatably connected to the protective shell 1; the driving wheel 313 is sleeved on the driving shaft 312; the paper twisting groove 314 is arranged inside the paper storage bin 21; the pickup roller 315 is rotatably connected to the pickup groove 314; the pressing block 316 is sleeved on the pickup roller 315 and the driving shaft 312; the torsion spring 317 is fixedly connected to the pressing block 316; the paper twisting belt 318 is sleeved on the paper twisting roller 315 and the driving shaft 312; the bull gear 319 is fixedly connected to the drive shaft 312; the auxiliary bin 320 is connected with the driving bin 37; the accessory gear 321 is rotatably connected to the accessory bin 320; the auxiliary belt 322 is sleeved on the auxiliary gear 321 and the large gear 319; the gear groove 323 is arranged in the protective shell 1; the driving rack 324 is slidably connected to the gear groove 323; the manual sliding block 325 is fixedly connected to the driving rack 324; the driving rack 324 is engaged with the auxiliary gear 321.

The fixing mechanism 4 comprises an air pressure bin 41, a pressure column 42, an air pressure spring 43, a fixing rail 44, a groove 45, a fixing slide block 46, an air pipe 47, a fixing plate 48, an adsorption hole 49, a connecting arm 410, an auxiliary groove 411 and a pressing spring 412; the air pressure bin 41 is arranged in the protective shell 1; the pressure column 42 is slidably connected to the pneumatic bin 41; the gas spring 43 is arranged at the rear side of the pressure column 42; the fixed track 44 is arranged on the protective shell 1; the groove 45 is arranged on the fixed track 44; the fixed slider 46 is slidably connected to the fixed rail 44; the vent pipe 47 is arranged in the fixed slide block 46 and the pressure column 42; the fixed plate 48 is fixedly connected to the fixed slide block 46; the adsorption hole 49 is arranged at the lower part of the fixing plate 48; the connecting arm 410 is fixedly connected to the fixed slider 46; the auxiliary tank 411 is arranged in the protective shell 1; the compression spring 412 connects the connecting arm 410 and the driving rack 324; the vent pipe 47 communicates the adsorption hole 49 with the air pressure chamber 41.

The reference mechanism 5 comprises a main laser head 51, a steering mirror 52, an auxiliary laser head 53 and a laser track 54; the main laser head 51 is rotatably connected to the upper center of the A panel 11; the steering mirror 52 is arranged at the upper part of the right side of the A panel 11; the auxiliary laser head 53 is rotatably connected to the center of the right side of the A panel 11; the laser rail 54 is arranged inside the A panel 11; an angle is formed between the main laser head 51 and the auxiliary laser head 53 in the circumferential direction; scales are arranged on four sides of the drawing area 13. .

The specific working process is as follows:

when a user takes in the pencil, the tail part of the pencil is held by the user, the head part of the pencil extends into the accommodating hole 61, the body of the pencil drives the extrusion ring 66 to move backwards when passing through the extrusion ring 66, under the action of the extrusion inclined plane 69, a plurality of extrusion single sheets are close to the middle and clamp the pencil body of the pencil, the pressure spring 616 is gradually compressed, the sliding rod 67 gradually slides downwards along the sliding groove 68, the shaft sleeve 64 is driven to slide downwards, when a user stretches the pencil into the accommodating hole 61 for the most part, the fingers are loosened, under the action of the connecting spring 615, the sliding rod 67 rotates along the sliding groove 68, the sliding rod 67 slides to the end of the sliding groove 68, the actuating plate 613 is pushed to rotate, the actuating inclined surface 614 rotates to press the limit tooth 612, the limit tooth 612 slides along the notch 611 and the periphery of the shaft sleeve 64, and finally, the pencil is meshed with the anti-slip teeth 63, and the pencil is clamped tightly and cannot be extended or inserted; when a pencil is needed to be used, only the exposed part of the pencil needs to be slightly rotated, the sliding rod 67 can slide forwards along the sliding groove 68, the starting disc 613 resets, the limiting tooth 612 is pushed back, the shaft sleeve 64 drives the pencil to slide outwards under the action of the pressure spring 616, meanwhile, the single extrusion piece is withdrawn from the extrusion inclined surface 69, the pencil is not clamped any more, and the pencil can be taken down easily;

a certain amount of drawing paper is stacked on the paper supporting plate 23, the sealing strip 24 is pushed, and the certain amount of drawing paper can be safely stored in the paper storage bin 21;

when the drawing needs to be replaced, the manual slider 325 is pressed to slide downwards, the manual slider 325 drives the driving rack 324 to slide downwards along the gear groove 323, the auxiliary gear 321 is driven to rotate, further, the large gear 319 rotates, the pressing block 316 is driven to slide along the paper rolling groove 314, when the paper rolling roller 315 contacts with the paper in the paper storage bin 21, the paper rolling belt 318 drives the paper rolling roller 315 to rotate, the drawing paper on the top layer enters the paper feeding groove 34 under the action of friction force, meanwhile, the plurality of pushing rollers 35 start to rotate under the action of the first power gear 310 and the second power gear 311, the drawing paper passes through the rotary groove 32 under the action of the pushing rollers 35, reaches the panel a 11 from the paper discharging groove 31, and moves upwards along the drawing area;

when the driving rack 324 slides downwards, the pressing spring 412 stretches to drive the connecting arm 410 to slide along the auxiliary slot 411, the fixed slider 46 is driven to slide downwards and leftwards, further, the pressure column 42 slides leftwards along the air pressure bin 41, the air pressure spring 43 compresses, the pressure in the air pressure bin 41 increases, the air is exhausted from the adsorption hole 49 through the vent pipe 47, the fixed plate 48 slides leftwards along the fixed track 44 and finally contacts with the upper surface of the drawing paper coming out of the paper outlet slot 31, when the user looses his hand, the air pressure spring 43 releases the pressure to drive the driving rack 324 and the pressure column 42 to gradually reset and move rightwards, the pressure in the air pressure chamber decreases, negative pressure occurs, the air enters the air pressure bin 41 from the adsorption hole 49 to supplement, suction force is generated, the upper surface of the drawing paper is adsorbed and driven to move upwards along the drawing area, and the fixed plate 48 gradually moves upwards and right, because the fixed rail 44 is inclined upwards by a certain angle, the compression spring 412 generates a pulling force, the fixed plate 48 drives the drawing paper to be finally buckled with the groove 45, the movement is stopped, and the drawing paper is fixed on the A layout, so that the paper replacement is completed at one time.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A surveying and mapping device for engineering construction comprises a protective shell (1), an A panel (11) arranged on the protective shell (1), a B panel (12) arranged on the protective shell (1), a drawing area (13) arranged on the A panel (11), a cover plate (14) rotatably connected to the A protective shell (1), a reinforcing plate (15) fixedly connected to the cover plate (14), and a magnetic block (16) fixedly connected to the A panel (11), locate portable hole (17) of B face, locate save paper mechanism (2) of protecting crust (1), locate change paper mechanism (3) of protecting crust (1), locate fixing mechanism (4) of protecting crust (1), locate benchmark mechanism (5) of A panel (11), locate protecting crust (1) pencil receiving mechanism (6) and locate cutting pencil mechanism (7) of protecting crust (1).

2. The surveying and mapping apparatus for engineering construction according to claim 1, characterized in that: the pencil storage mechanism (6) comprises a plurality of storage holes (61) arranged on the right side of the protective shell (1), a sliding groove (62) arranged on the storage control side, anti-skidding teeth (63) fixedly connected to the sliding groove (62), a shaft sleeve (64) slidably connected to the storage holes (61), a sliding strip (65) fixedly connected to the shaft sleeve (64), a squeezing ring (66) slidably connected to the shaft sleeve (64), a sliding rod (67) fixedly connected to the squeezing ring (66), a sliding groove (68) arranged on the shaft sleeve (64), a squeezing inclined plane (69) arranged in the shaft sleeve (64), a flange (610) fixedly connected to the squeezing ring (66), a notch (611) arranged on the sliding strip (65), a limiting tooth (612) slidably connected to the notch (611), and a starting disc (613) rotatably connected to the shaft sleeve (64), A starting inclined surface (614) fixedly connected with the starting disc (613), a connecting spring (615) connecting the slide bar (65) and the slide rod (67) and a pressure spring (616) arranged at the receiving control; the extrusion ring (66) is composed of a plurality of extruded single pieces.

3. The surveying and mapping apparatus for engineering construction according to claim 1, characterized in that: the paper storage mechanism (2) comprises a paper storage bin (21) arranged on the protective shell (1), a paper inlet (22) arranged on the paper storage bin (21), a paper supporting plate (23) connected to the paper inlet (22) in a sliding manner, a sealing strip (24) fixedly connected to the paper supporting plate (23), a track groove (25) arranged on the paper supporting plate (23), and a paper ejection block (26) connected to the paper storage bin (21) in a sliding manner; and a spring is arranged at the lower part of the paper ejection block (26).

4. The surveying and mapping apparatus for engineering construction according to claim 3, characterized in that: trade paper mechanism (3) including locate paper exit slot (31), the intercommunication of A panel (11) bottom go out rotary trough (32) of paper trough (31), rotatable coupling in rotary roller (33) of rotary trough (32), intercommunication rotary trough (32) with paper feed tank (34) of paper storage tank, locate paper feed tank (34) both sides and sliding connection in a plurality of propulsion roller (35), fixed connection in actuating lever (36) of propulsion roller (35), locate drive storehouse (37) of protecting crust (1), rotatable coupling in first power shaft (38) of drive storehouse (37), rotatable coupling in second power shaft (39) of drive storehouse (37), fixed coupling in first power gear (310) of first power shaft (38), fixed coupling in second power gear (311) of second power shaft (39), The paper storage device comprises a driving shaft (312) rotatably connected to the protective shell (1), a driving wheel (313) sleeved on the driving shaft (312), a paper twisting groove (314) arranged on the paper storage bin (21), a paper twisting roller (315) rotatably connected to the paper twisting groove (314), a pressing block (316) sleeved on the paper twisting roller (315) and the driving shaft (312), a torsion spring (317) fixedly connected to the pressing block (316), a paper twisting belt (318) sleeved on the paper twisting roller (315) and the driving shaft (312), a large gear (319) fixedly connected to the driving shaft (312), an auxiliary bin (320) connected to the driving bin (37), an auxiliary gear (321) rotatably connected to the auxiliary bin (320), an auxiliary belt (322) sleeved on the auxiliary gear (321) and the large gear (319), and a gear groove (323) arranged on the protective shell (1), A driving rack (324) connected with the gear groove (323) in a sliding way and a manual sliding block (325) fixedly connected with the driving rack (324); the driving rack (324) is meshed with the auxiliary gear (321).

5. The surveying and mapping apparatus for engineering construction according to claim 4, characterized in that: the fixing mechanism (4) comprises an air pressure bin (41) arranged on the protective shell (1), a pressure column (42) connected to the air pressure bin (41) in a sliding manner, an air pressure spring (43) arranged on the rear side of the pressure column (42), a fixing track (44) arranged on the protective shell (1), a groove (45) arranged on the fixing track (44), and a fixing slide block (46) connected to the fixing track (44) in a sliding manner, a vent pipe (47) arranged on the fixed sliding block (46) and the pressure column (42), a fixed plate (48) fixedly connected to the fixed sliding block (46), an adsorption hole (49) arranged on the fixed plate (48), a connecting arm (410) fixedly connected to the fixed sliding block (46), an auxiliary groove (411) arranged on the protective shell (1), and a compression spring (412) connecting the connecting arm (410) and the driving rack (324); the vent pipe (47) is communicated with the adsorption hole (49) and the air pressure bin (41).

6. The surveying and mapping apparatus for engineering construction according to claim 1, characterized in that: the reference mechanism (5) comprises a main laser head (51) which is rotatably connected to the center of the upper part of the A panel (11), a steering mirror (52) which is arranged on the upper part of the right side of the A panel (11), an auxiliary laser head (53) which is rotatably connected to the center of the right side of the A panel (11) and a laser track (54) which is arranged in the A panel (11); the main laser head (51) and the auxiliary laser head (53) are circumferentially engraved with an angle; scales are arranged on four edges of the mapping area.