Construction engineering cost field surveys device
Technical field
The present invention relates to construction engineering cost field surveys apparatus fields, existing more specifically to construction engineering cost
Field plotting board.
Background technique
Project cost just refers to the construction price of engineering, refers to complete the construction of an engineering, it is contemplated that or it is actually required
Full payment summation, defined from the angle of owner or investor, project cost refers to the construction cost of engineering, as builds
The complete equipment investment cost of one engineering expectation payment or actual delivery, these expenses mainly include equipment and Work tool
Purchase commodity, architectural engineering and installing engineering expense, engineering construction other fees, reserve fund, interest incurred during construction, investment in fixed assets side
To regulatory tax etc., gives out a contract for a project angle from holding and define, project cost refers to engineering price, as builds up an engineering, it is contemplated that or it is real
Border is in soil, equipment, technology labor service and contracts etc. in the market, is formed by construction and installation work by modes of doing business such as biddings
The price and construction project total price of journey, need to fill using construction engineering cost field surveys before estimating construction engineering cost
It sets and scene is surveyed and drawn, landform is measured, more accurately to estimate construction engineering cost, existing building work
Journey cost field surveys device is made of instrument of surveying and mapping and tripod, and wherein tripod is by three telescopic supporting legs and support plate
It constitutes, in use, instrument of surveying and mapping to be mounted on to the top of tripod first, then tripod is strutted and is placed on mapped point
Top then moves tripod and the length of instrument of surveying and mapping and tripod supporting leg is adjusted, makes instrument of surveying and mapping and mapped point
Centering is simultaneously in a horizontal state, and starts to carry out field surveys later.
But existing building project cost field surveys device is in actual use, the opening angle of three supporting legs
The experience for fully relying on mapping worker is controlled, and is easy to keep the opening angle of three supporting legs inconsistent, cause mapping error compared with
Greatly, and the direct bolt of instrument of surveying and mapping is mounted on tripod and is in exposed state, after single use finishes, in order not to allow
Instrument of surveying and mapping is damaged in the handling process, and instrument of surveying and mapping is usually separated with tripod and instrument of surveying and mapping is put into suitcase by people
It is inside carried, operating process is cumbersome, and very inconvenient, time-consuming and laborious, working efficiency is low, and mapping speed is slow, therefore needs to set
Count a kind of construction engineering cost field surveys device.
Summary of the invention
1. technical problems to be solved
In actual use for existing building project cost field surveys device existing in the prior art, three supporting legs
Opening angle fully rely on the experience of mapping worker and controlled, be easy to keep the opening angle of three supporting legs inconsistent, cause
Mapping error is larger, and the direct bolt of instrument of surveying and mapping is mounted on tripod and is in exposed state, finishes it in single use
Afterwards, in order not to allow instrument of surveying and mapping to be damaged in the handling process, instrument of surveying and mapping is usually separated with tripod and by surveying instrument by people
Device is put into suitcase and is carried, and operating process is cumbersome, and very inconvenient, time-consuming and laborious, working efficiency is low, and mapping speed is slow
The problem of, the purpose of the present invention is to provide construction engineering cost field surveys devices, it can be very good to solve background technique
The problem of middle proposition.
2. technical solution
To solve the above problems, the present invention adopts the following technical scheme that.
Construction engineering cost field surveys device, including protective device, the bottom surface of the protective device are equipped with support dress
It sets.
Preferably, the protective device includes protective housing, and the bottom surface of box cavity is protected to be equipped with clamping apparatus, protective housing
Bottom surface is equipped with pendulous device, and the inside of protective housing is equipped with lifting slide bar, and the bottom surface of the bottom end and protection box cavity that go up and down slide bar connects
It connects, the top for going up and down slide bar is connect with the top surface of protection box cavity, and the external activity for going up and down slide bar is socketed with lifting spring, lifting
The bottom end of spring is connect with the bottom surface of protection box cavity, and the external activity for going up and down slide bar is arranged with lifting device, lifting device
Top is equipped with fixed device, is connected with instrument of surveying and mapping at the top of fixed device, sealing plug is connected at the top of instrument of surveying and mapping, protect
The top surface of case offers pop-up hole, and the bottom end activity of sealing plug is plugged on the inside in pop-up hole.
Preferably, the support device includes rectangular block, and the bottom surface of rectangular block is fixedly connected with telescopic outrigger, rectangular block
Top surface is equipped with convex block, and the inside of convex block offers lock chamber, and the left side fixation of convex block is interspersed with locating shaft, the left end of locating shaft
Movable sleeve is connected to dial, and the top of dial is fixedly connected with the bottom surface of protective housing, is fixedly connected on the top surface of rectangular block
Pointer compatible with dial, the right end of locating shaft extend to the inside of lock chamber, and the outside of locating shaft is fixedly connected with position
Positive stop strip inside lock chamber, the external activity of locating shaft are socketed with moving casing, and the inner wall of moving casing offers track
Slot, track groove and positive stop strip sliding are clamped, and the right end of moving casing is connected with movable fluted disc, the inner wall of movable fluted disc and lock chamber
It is slidably connected, the external activity of moving casing is socketed with buffer spring, and one end of buffer spring is connect with movable fluted disc, buffering elastic
The other end of spring is connect with the left side of lock chamber inner cavity, and the right side activity of convex block is interspersed with fixing axle, the left end of fixing axle
It is connected with fixed gear plate, the inner wall of fixed gear plate and lock chamber is slidably connected, and the right end of fixing axle is fixedly connected with fixed plate, Gu
The top of fixed board and the bottom surface of protective housing connect, and the internal activity of fixing axle is interspersed with pressing lever, and the right end of pressing lever is through solid
Fixed board and fixing sleeve are connected to pressing plate, and the left end of pressing lever is fixedly connected through fixed gear plate and with movable fluted disc, pressing lever with
The equal pivot bush unit of fixing axle, fixed gear plate, fixed plate.
Preferably, the clamping apparatus includes inserting column, and the bottom end of inserting column is connect with the bottom surface of protection box cavity, grafting
The inside of column offers installation cavity, and the inner wall of installation cavity is connected with the first positioning plate and the second positioning plate, the first positioning plate it is interior
Portion's activity is interspersed with drive rod, and the right end of drive rod is connected with driver plate, and the another side of driver plate is contacted with the inner wall of installation cavity
Connection, the right side of driver plate are connected with right-angled trapezium card adapter plate, and the right end of right-angled trapezium card adapter plate extends to the outer of inserting column
The second positioning plate is run through in the left end in portion, drive rod, and the outside of drive rod is socketed with sliding block and reset spring, and sliding block is fixedly attached to
The outside of drive rod, reset spring are actively socketed on the outside of drive rod, and the left end of reset spring is connect with the second positioning plate, multiple
The right end of position spring is connect with sliding block, and the left end of drive rod is connected with transmission rope.
Preferably, the pendulous device includes truncated cone-shaped clump weight, and the bottom surface of truncated cone-shaped clump weight offers spliced eye, circle
The top surface of platform shape clump weight offers mounting groove, and mounting groove is connected to spliced eye, and it is sliding that the internal activity of spliced eye is interspersed with grafting
Bar, the bottom end of grafting slide bar extend to the outside of spliced eye and are connected with conical blocks, the top surface of conical blocks and truncated cone-shaped clump weight
Bottom surface connect, the bottom surface of mounting groove inner cavity offers pilot hole, and the internal activity of pilot hole is interspersed with guide rod, guiding
The top of bar extends to the outside of pilot hole and is connected with engaging plate, and the inner wall of engaging plate and mounting groove is slidably connected, guide rod
External activity be socketed with engagement spring, engage spring top and engaging plate bottom surface connect, engage bottom end and the peace of spring
The bottom surface of tankage inner cavity connects, and pulling rope, the bottom end of pulling rope and the top of grafting slide bar are connected in the middle part of engaging plate bottom surface
Connection, the top surface of engaging plate are equipped with engaging tooth, and the inside of mounting groove is equipped with the rotary shaft being located above engaging plate, rotary shaft it is outer
Portion has been fixedly attached position limited gear, and the external activity of rotary shaft is socketed with torque spring, one end of torque spring and mounting groove
Inner wall connection, the other end of torque spring are connect with position limited gear, and the external fixing sleeve of rotary shaft is connected to the receipts being located therein
Line wheel, take-up pulley have been externally wrapped with drag wire, and the other end of drag wire extends to the inside of installation cavity and connect with transmission rope,
The external activity of drag wire is socketed with sealing-plug, and the bottom end of sealing-plug is threadedly coupled with mounting groove.
Preferably, the lifting device includes lifter plate, and lifter plate is actively socketed on the outside of lifting slide bar, lifter plate
Bottom surface and the top of lifting spring connect, and are connected with limit for height column in the middle part of lifter plate bottom surface, the bottom surface of limit for height column offers undertaking
The inner wall of slot, holding groove offers blocked hole, goes up and down and is connected with fixed column in the middle part of plate top surface, and the side of fixed column opens up limited
Circle of position slot.
Preferably, the fixed device includes pedestal, and the top surface of pedestal is connect with instrument of surveying and mapping, and the bottom surface of pedestal offers
Fixed circular groove, fixed circular groove can be actively socketed on the outside of fixed column, and the inner wall of fixed circular groove offers clamping groove, clamping groove
Inner wall is connected with card connection ball by being clamped spring transmission, and the inner wall of card connection ball and clamping groove is slidably connected, and card connection ball can be with limit
Circle of position slot grafting, the side of card connection ball are connected with disassembly rope, and the other end for dismantling rope, which extends to the outside of pedestal and is connected with, to be led
Cap is drawn, drawing cap activity is plugged on the side of pedestal.
3. beneficial effect
Compared with the prior art, the present invention has the advantages that
By the way that instrument of surveying and mapping to be arranged in the inside of protective device, it is not damaged instrument of surveying and mapping in the handling process, leads to
Support device is crossed, facilitates mapping worker to adjust the opening angle of telescopic outrigger, mapping worker is enable to be precisely controlled telescopic outrigger
Opening angle, it is ensured that mapping worker can adjust the opening angle of three telescopic outriggers at the same angle, help to mention
The accuracy of height mapping facilitates mapping worker to be fixed and dismantle instrument of surveying and mapping, by fixed device so as to surveying instrument
Device is safeguarded, by pendulous device, mapping worker is enable fast and accurately to carry out centering operation, is increased mapping speed,
The accuracy of mapping is further improved, by the cooperation of protective device, clamping apparatus, pendulous device and lifting device, makes to survey
Drawing instrument can pop up come and put into mapping operations from the inside of protective device, by the cooperation of clamping apparatus and lifting device,
Retighten mapping worker can instrument of surveying and mapping in protective device using directly pressing sealing plug after complete instrument of surveying and mapping
Inside, operating process is simple and fast, very convenient, time saving and energy saving, helps to improve working efficiency, further increases mapping speed
Degree, improves the practicability of the construction engineering cost field surveys device.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention;
Fig. 2 is the schematic diagram of internal structure of protective device in Fig. 1 of the present invention;
Fig. 3 is the schematic diagram of internal structure of support device in Fig. 1 of the present invention;
Fig. 4 is the left view of Fig. 3 of the present invention;
Fig. 5 is the section structure diagram of moving casing in Fig. 3 of the present invention;
Fig. 6 is the schematic diagram of internal structure of clamping apparatus in Fig. 2 of the present invention;
Fig. 7 is the schematic diagram of internal structure of pendulous device in Fig. 2 of the present invention;
Fig. 8 is the schematic diagram of internal structure of lifting device in Fig. 2 of the present invention;
Fig. 9 is the schematic diagram of internal structure that device is fixed in Fig. 2 of the present invention.
Figure label explanation:
1, protective device;11, protective housing;12, slide bar is gone up and down;13, lifting spring;14, hole is popped up;2, support device;201, square
Shape block;202, telescopic outrigger;203, convex block;204, lock chamber;205, locating shaft;206, dial;207, pointer;208, it limits
Item;209, moving casing;210, track groove;211, movable fluted disc;212, buffer spring;213, fixing axle;214, fixed gear plate;
215, fixed plate;216, pressing lever;217, pressing plate;3, clamping apparatus;301, inserting column;302, installation cavity;303, first is fixed
Position plate;304, the second positioning plate;305, drive rod;306, driver plate;307, right-angled trapezium card adapter plate;308, sliding block;309, multiple
Position spring;310, transmission rope;4, pendulous device;400, mounting groove;401, truncated cone-shaped clump weight;402, spliced eye;403, grafting
Slide bar;404, conical blocks;405, pilot hole;406, guide rod;407, engaging plate;408, spring is engaged;409, pulling rope;410,
Engaging tooth;411, rotary shaft;412, position limited gear;413, torque spring;414, take-up pulley;415, drag wire;416, sealing-plug;
5, lifting device;51, lifter plate;52, limit for height column;53, holding groove;54, blocked hole;55, fixed column;56, circular groove is limited;6, solid
Determine device;61, pedestal;62, fixed circular groove;63, clamping groove;64, it is clamped spring;65, card connection ball;66, disassembly rope;67, it pulls
Cap;7, instrument of surveying and mapping;8, sealing plug.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention;Technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description;Obviously;Described embodiments are only a part of the embodiments of the present invention;Instead of all the embodiments.It is based on
Embodiment in the present invention;It is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment;It shall fall within the protection scope of the present invention.
Fig. 1-9, construction engineering cost field surveys device, including protective device 1 are please referred to, on the bottom surface of protective device 1
Equipped with support device 2.
Protective device 1 includes protective housing 11, and the bottom surface of 11 inner cavity of protective housing is equipped with clamping apparatus 3, the bottom of protective housing 11
Face is equipped with pendulous device 4, and the inside of protective housing 11 is equipped with lifting slide bar 12, goes up and down the bottom end and 11 inner cavity of protective housing of slide bar 12
The top of bottom surface connection, lifting slide bar 12 is connect with the top surface of 11 inner cavity of protective housing, and the external activity of lifting slide bar 12 is socketed with
The bottom end of lifting spring 13, lifting spring 13 is connect with the bottom surface of 11 inner cavity of protective housing, and the external activity of lifting slide bar 12 is arranged
There is lifting device 5, the top of lifting device 5 is equipped with fixed device 6, and the top of fixed device 6 is connected with instrument of surveying and mapping 7, surveys and draws
The top of instrument 7 is connected with sealing plug 8, and the top surface of protective housing 11 offers pop-up hole 14, and the bottom end activity of sealing plug 8 is plugged on
Pop up the inside in hole 14.
Support device 2 includes rectangular block 201, and the bottom surface of rectangular block 201 is fixedly connected with telescopic outrigger 202, rectangular block 201
Top surface be equipped with convex block 203, the inside of convex block 203 offers lock chamber 204, and the left side fixation of convex block 203 is interspersed with positioning
Axis 205, the left end movable sleeve of locating shaft 205 are connected to dial 206, and the top of dial 206 and the bottom surface of protective housing 11 are fixed
It connects, is fixedly connected with pointer 207 compatible with dial 206 on the top surface of rectangular block 201, the right end of locating shaft 205 prolongs
The inside of lock chamber 204 is extended to, the outside of locating shaft 205 is fixedly connected with the positive stop strip 208 inside lock chamber 204, fixed
The external activity of position axis 205 is socketed with moving casing 209, and the inner wall of moving casing 209 offers track groove 210, track groove 210
It slides and is clamped with positive stop strip 208, the right end of moving casing 209 is connected with movable fluted disc 211, movable fluted disc 211 and lock chamber 204
Inner wall be slidably connected, the external activity of moving casing 209 is socketed with buffer spring 212, one end of buffer spring 212 and activity
Fluted disc 211 connects, and the other end of buffer spring 212 is connect with the left side of 204 inner cavity of lock chamber, and the right side of convex block 203 is living
Dynamic to be interspersed with fixing axle 213, the left end of fixing axle 213 is connected with fixed gear plate 214, and fixed gear plate 214 is interior with lock chamber 204
Wall is slidably connected, and the right end of fixing axle 213 is fixedly connected with fixed plate 215, the top of fixed plate 215 and the bottom surface of protective housing 11
Connection, the internal activity of fixing axle 213 are interspersed with pressing lever 216, and the right end of pressing lever 216 is through fixed plate 215 and fixing sleeve
It is connected to pressing plate 217, the left end of pressing lever 216 is fixedly connected through fixed gear plate 214 and with movable fluted disc 211, pressing lever 216
With fixing axle 213, fixed gear plate 214, the equal pivot bush unit of fixed plate 215.
Clamping apparatus 3 includes inserting column 301, and the bottom end of inserting column 301 is connect with the bottom surface of 11 inner cavity of protective housing, inserting column
301 inside offers installation cavity 302, and the inner wall of installation cavity 302 is connected with the first positioning plate 303 and the second positioning plate 304, the
The internal activity of one positioning plate 303 is interspersed with drive rod 305, and the right end of drive rod 305 is connected with driver plate 306, driver plate 306
Another side and the inner wall of installation cavity 302 connect, the right side of driver plate 306 is connected with right-angled trapezium card adapter plate 307, directly
The right end of the trapezoidal card adapter plate 307 in angle extends to the outside of inserting column 301, and the second positioning plate 304 is run through in the left end of drive rod 305,
The outside of drive rod 305 is socketed with sliding block 308 and reset spring 309, and sliding block 308 is fixedly attached to the outside of drive rod 305, multiple
Position spring 309 is actively socketed on the outside of drive rod 305, and the left end of reset spring 309 is connect with the second positioning plate 304, resets
The right end of spring 309 is connect with sliding block 308, and the left end of drive rod 305 is connected with transmission rope 310.
Pendulous device 4 includes truncated cone-shaped clump weight 401, and the bottom surface of truncated cone-shaped clump weight 401 offers spliced eye 402, circle
The top surface of platform shape clump weight 401 offers mounting groove 400, and mounting groove 400 is connected to spliced eye 402, and the inside of spliced eye 402 is living
Dynamic to be interspersed with grafting slide bar 403, the bottom end of grafting slide bar 403 extends to the outside of spliced eye 402 and is connected with conical blocks 404,
The top surface of conical blocks 404 and the bottom surface of truncated cone-shaped clump weight 401 connect, and the bottom surface of 400 inner cavity of mounting groove offers guiding
Hole 405, the internal activity of pilot hole 405 are interspersed with guide rod 406, and the top of guide rod 406 extends to the outside of pilot hole 405
And it is connected with engaging plate 407, engaging plate 407 and the inner wall of mounting groove 400 are slidably connected, the external activity socket of guide rod 406
There is engagement spring 408, the top of engagement spring 408 is connect with the bottom surface of engaging plate 407, engages bottom end and the installation of spring 408
The bottom surface of 400 inner cavity of slot connects, and is connected with pulling rope 409, the bottom end of pulling rope 409 and grafting in the middle part of 407 bottom surface of engaging plate
The top of slide bar 403 connects, and the top surface of engaging plate 407 is equipped with engaging tooth 410, and the inside of mounting groove 400, which is equipped with, is located at engaging plate
The rotary shaft 411 of 407 tops, the outside of rotary shaft 411 has been fixedly attached position limited gear 412, the external activity set of rotary shaft 411
Be connected to torque spring 413, one end of torque spring 413 is connect with the inner wall of mounting groove 400, the other end of torque spring 413 with
Position limited gear 412 connects, and the external fixing sleeve of rotary shaft 411 is connected to the take-up pulley 414 being located therein, take-up pulley 414 outside
Portion is wound with drag wire 415, and the other end of drag wire 415 extends to the inside of installation cavity 302 and connect with transmission rope 310, leads
The external activity of bracing wire 415 is socketed with sealing-plug 416, and the bottom end of sealing-plug 416 is threadedly coupled with mounting groove 400.
Lifting device 5 includes lifter plate 51, and lifter plate 51 is actively socketed on the outside of lifting slide bar 12, the bottom of lifter plate 51
Face is connect with the top of lifting spring 13, and limit for height column 52 is connected in the middle part of 51 bottom surface of lifter plate, and the bottom surface of limit for height column 52 opens up
There is holding groove 53, the inner wall of holding groove 53 offers blocked hole 54, and the end of right-angled trapezium card adapter plate 307 can be inserted with blocked hole 54
It connects, fixed column 55 is connected in the middle part of 51 top surface of lifter plate, the side of fixed column 55 offers limit circular groove 56.
Fixed device 6 includes pedestal 61, and the top surface of pedestal 61 is connect with instrument of surveying and mapping 7, and the bottom surface of pedestal 61 offers solid
Determine circular groove 62, fixed circular groove 62 can be actively socketed on the outside of fixed column 55, and the inner wall of fixed circular groove 62 offers clamping groove 63,
The inner wall of clamping groove 63 is sequentially connected with card connection ball 65 by being clamped spring 64, and the inner wall sliding of card connection ball 65 and clamping groove 63 connects
It connects, card connection ball 65 can be connected with disassembly rope 66, the other end of disassembly rope 66 with limit 56 grafting of circular groove, the side of card connection ball 65
It extends to the outside of pedestal 61 and is connected with drawing cap 67, drawing 67 activity of cap is plugged on the side of pedestal 61.
Working principle:
The device is transported to mapping region first, then presses pressing plate 217, pressing plate 217 presses pressing lever 216, pressing
216 promotion activity fluted disc 211 of bar is moved to the left, and separates movable fluted disc 211 and fixed gear plate 214, releases the limit to convex block 203
System then rotates telescopic outrigger 202, rotates telescopic outrigger 202 with the central axes center line of locating shaft 205, to flexible branch
The opening angle of leg 202 is adjusted, and reads telescopic outrigger 202 by the cooperation of dial 206 and pointer 207 in adjustment process
Open-angle angle value, until telescopic outrigger 202 open-angle angle value reach mapping require, later unclamp pressing plate 217, make activity
Fluted disc 211 moves right under the action of 212 elastic force of buffer spring and engages with fixed gear plate 214, and then fixing axle 213 passes through
Engagement, positive stop strip 208 and the clamping of track groove 210 of movable fluted disc 211 and fixed gear plate 214 are acted on locating shaft 205
It fixes, so that convex block 203 be fixed, finally fixes the opening angle of telescopic outrigger 202, then repeat appeal behaviour
Make, the opening angle of remaining two telescopic outriggers 202 is adjusted, adjusts and the device is erected at mapped point after completing
Top is held truncated cone-shaped clump weight 401 and pull downwards later, makes drag wire 415 by downward pulling force, then drag wire
415 drawing transmission ropes 310, transmission rope 310 are bent downwardly deformation and pull drive rod 305 to the movement of the inside of installation cavity 302, pass
Lever 305 is mobile to the inside of installation cavity 302 with right-angled trapezium card adapter plate 307 by driver plate 306, is clamped right-angled trapezium
Plate 307 is separated with blocked hole 54, releases the limitation to limit for height column 52, then lifter plate 51 is under the action of 13 elastic force of lifting spring
It is moved up with fixed device 6, instrument of surveying and mapping 7, sealing plug 8, instrument of surveying and mapping 7 and fixed device 6 sequentially pass through pop-up later
Hole 14 is moved instrument of surveying and mapping 7 and fixed device 6 from the inside of protective housing 11, and state at this time can be by instrument of surveying and mapping 7
It disassembles and is safeguarded, when disassembly, drawing drawing cap 67, the drawing drawing disassembly of cap 67 rope 66,66 drawing card connection balls of disassembly rope
65, it separates card connection ball 65 with limit circular groove 56, mentions sealing plug 8 then up, instrument of surveying and mapping 7 can be disassembled, dismantle
Mode is simple and fast, and instrument of surveying and mapping 7 is then put into mapping operations, truncated cone-shaped clump weight 401 is held on the other hand later, makes truncated cone-shaped
Clump weight 401 is fixed, and another hand pulls downwards conical blocks 404, and conical blocks 404 pull grafting slide bar 403, grafting slide bar
403 drawing pulling ropes 409 downwards, the drawing engaging plate 407 downwards of pulling rope 409, engaging plate 407 is with engaging tooth 410 to moving down
It is dynamic, separate engaging tooth 410 with position limited gear 412, limitation of the releasing to rotary shaft 411, then by truncated cone-shaped clump weight 401 to
Lower movement, then drag wire 415 gradually decreases the position height of pendulous device 4 from the external release of take-up pulley 414, until
The bottom end of conical blocks 404 and ground face contact unclamp conical blocks 404, effect of the engaging plate 407 in engagement 408 elastic force of spring later
Under moved up with engaging tooth 410, engage engaging tooth 410 with position limited gear 412, rotary shaft 411 limited, thus
The position height of pendulous device 4 is fixed, meanwhile, engaging plate 407 is by pulling rope 409, grafting slide bar 403 with conical blocks
404 move up, until the top surfaces of conical blocks 404 is contacted with the bottom surface of truncated cone-shaped clump weight 401, the bottom of conical blocks 404 at this time
End and surface separation, then move the device, make the pendency of pendulous device 4 in the surface of mapped point, complete the work of centering, connect
The work of horizontal adjustment is carried out by the cooperation of instrument of surveying and mapping 7 and telescopic outrigger 202, start to be surveyed and drawn after the completion of adjusting,
After mapping, sealing plug 8 is pressed, so that holding groove 53 is socketed in the outside of inserting column 301, then sliding block 308 is in reset spring
It is displaced outwardly under the action of 309 elastic force with drive rod 305, drive rod 305 is by driver plate 306 with right-angled trapezium card adapter plate
307 are displaced outwardly, and then blocked hole 54 is inserted into the end of right-angled trapezium card adapter plate 307, and limit for height column 52 and inserting column 301 is fixed
Together, so that instrument of surveying and mapping 7 to be fixed on to the inside of protective housing 11, make conical blocks 404 with respect to truncated cone-shaped clump weight 401 later
It moves down, separates engaging tooth 410 with position limited gear 412, then effect of the position limited gear 412 in 413 torsion of torque spring
Under with rotary shaft 411 rotate, rotary shaft 411 with take-up pulley 414 rotate, twine drag wire 415 to the outside of take-up pulley 414
Around, then the position height of pendulous device 4 increases, until the top surface of sealing-plug 416 is contacted with the bottom surface of protective housing 11, it is then loose
Conical blocks 404 are opened, the position height of pendulous device 4 is fixed, support device 2 is adjusted later, makes telescopic outrigger
202 pack up, and carry the device to facilitate, the device is then carried to next mapped point and is surveyed and drawn.
More than;It is merely preferred embodiments of the present invention;But scope of protection of the present invention is not limited thereto;It is any
Those familiar with the art is in the technical scope disclosed by the present invention;According to the technique and scheme of the present invention and its improve
Design is subject to equivalent substitution or change;It should be covered by the scope of protection of the present invention.