CN116293335A - Portable range finder for real estate mapping and use method thereof - Google Patents

Abstract

The invention discloses a portable range finder for real estate mapping and a use method thereof, comprising a base, wherein the top end of the base is fixedly connected with a containing box; the three telescopic legs are circumferentially arranged at the bottom end of the base, and the fixed ends of the telescopic legs are hinged with the bottom end of the base; the lifting seat is arranged below the base and coincides with the axis of the base, the lifting seat is connected with the three telescopic legs through a connecting piece, the lifting seat rises through the expansion of the three telescopic legs, the lifting seat falls through the retraction of the three telescopic legs, the top end of the lifting seat is connected with a distance meter through an adjusting component, and the distance meter is positioned in the accommodating box; the leveling assembly comprises a swinging piece and a monitoring piece, wherein the swinging piece is rotationally connected with the bottom end of the base, the monitoring piece is fixed on the adjusting assembly, and the swinging end of the swinging piece is correspondingly arranged with the monitoring piece. The invention can realize that the distance meter with the mounting bracket is convenient to carry and carry out leveling operation.

Description

Portable range finder for real estate mapping and use method thereof

Technical Field

The invention belongs to the technical field of surveying and mapping equipment, and particularly relates to a portable range finder for real estate surveying and mapping and a use method thereof.

Background

When surveying and mapping real estate, namely cadastral, a distance meter is frequently required to measure related data, and the size of the real estate range is calculated. In the prior art, there are a variety of rangefinders of different gauge sizes, most of which are hand-held rangefinders and rangefinders with mounting brackets.

Regarding the range finder with the installing support, have and place stably, the advantage that measurement accuracy is high, however, the existence of installing support for this kind of range finder is inconvenient to carry and removes, simultaneously, receives the influence of survey and drawing environment, needs to adjust the installing support and carries out leveling operation to the range finder, and the artifical leveling of this in-process appears the error greatly easily, leads to the problem at the bottom of the leveling accuracy.

Therefore, the portable range finder for real estate mapping and the use method thereof are provided, so that the range finder with the mounting bracket is convenient to carry and level.

Disclosure of Invention

In order to solve the technical problems, the invention provides a portable range finder for real estate mapping and a use method thereof, which can realize that the range finder with a mounting bracket is convenient to carry and carry out leveling operation.

In order to achieve the above object, the present invention provides a portable rangefinder for real estate mapping, comprising,

the top end of the base is fixedly connected with a containing box;

the three telescopic legs are circumferentially arranged at the bottom end of the base, and the fixed ends of the telescopic legs are hinged with the bottom end of the base;

the lifting seat is arranged below the base and coincides with the axis of the base, the lifting seat is connected with three telescopic legs through connecting pieces, the lifting seat rises through the outer expansion of the three telescopic legs, the lifting seat falls through the inner retraction of the three telescopic legs, the top end of the lifting seat is connected with a range finder through an adjusting component, and the range finder is positioned in the accommodating box;

the leveling assembly comprises a swinging piece and a monitoring piece, wherein the swinging piece is rotationally connected with the bottom end of the base, the monitoring piece is fixed on the adjusting assembly, and the swinging end of the swinging piece is correspondingly arranged with the monitoring piece.

Further, the connecting piece includes that circumference sets up three connecting plate of elevating socket lateral wall, three the connecting plate respectively with three the stiff end of flexible leg corresponds, just the one end of connecting plate with the elevating socket lateral wall articulates, the other end of connecting plate with the stiff end of flexible leg articulates.

Further, the adjusting part is including fixing the altitude mixture control spare on elevating platform top, altitude mixture control spare top stretches into hold in the box and the rigid coupling has the altitude mixture control board, the altitude mixture control board top rotates and is connected with the rotation angle backup pad, rotation angle backup pad top rotates and is connected with the inclination adjustment board, the inclination adjustment board top is fixed through the holder the distancer.

Further, the height adjusting piece comprises a height sleeve fixedly connected with the top end of the lifting seat, the top end of the height sleeve is fixedly connected with the bottom end of the height supporting plate, a rotation angle supporting rod is rotationally connected with the height sleeve, and the top end of the rotation angle supporting rod is fixedly connected with the bottom end of the rotation angle supporting plate;

the high sleeve inner wall has a plurality of first heightening plate group from top to bottom fixedly connected in proper order, first heightening plate group is including a plurality of circumferences to be fixed high sleeve inner wall's first heightening plate, rotation angle bracing piece outer wall has a plurality of second heightening plate group from top to bottom fixedly connected in proper order, the second heightening plate group is including a plurality of circumferences to be fixed rotation angle bracing piece outer wall's second heightening plate, first heightening plate group and second heightening plate group interval set up, just first heightening plate group is used for right second heightening plate group supports.

Further, the inclination adjusting plate is kept away from one side of distancer range unit head wears to establish and is fixed with the rotary rod, rotation angle backup pad top rigid coupling has two relative fixed blocks that set up, the inclination adjusting plate is located two between the fixed block, just the rotary rod both ends run through two respectively the fixed block and with the fixed block rotates to be connected, a plurality of fixed orificess have been seted up to the circumference on the lateral wall that the rotary rod is close to the tip, another fixed orifices has been seted up on the fixed block top, the fixed block top is provided with the locating plate, the locating plate bottom rigid coupling has two locating levers, two the locating lever end stretches into respectively on the fixed block in the fixed orifices with on the rotary rod in the fixed orifices.

Further, the spout has been seted up on inclination adjusting plate top, the holder includes two relative clamping plates that set up, two clamping plate bottom rigid coupling has two sliders respectively, the slider is located in the spout and with spout adaptation, two wear to be equipped with a clamping lever on the slider, the clamping lever with two slider threaded connection just the clamping lever both ends run through inclination adjusting plate with inclination adjusting plate threaded connection, two slider direction of motion is opposite.

Further, the swinging member comprises a swinging seat fixed at the bottom end of the base, three ball sleeves are fixedly connected at the bottom end of the swinging seat, the three ball sleeves are respectively and correspondingly arranged with the fixed ends of the three telescopic legs, a rolling ball is rotationally connected in the ball sleeves, a swinging rod is fixedly connected at the bottom end of the rolling ball, and the bottom end of the swinging rod is correspondingly arranged with the monitoring member.

Further, the through holes corresponding to the bottom ends of the swing rods are formed in the top ends of the lifting seats, the monitoring pieces comprise three mounting seats fixed at the bottom ends of the lifting seats, photoelectric emitters are fixedly connected to the mounting seats, sensing pieces matched with the photoelectric emitters are fixedly connected to the bottom ends of the swing rods, and the transmitting ends of the photoelectric emitters penetrate through the through holes and correspond to the sensing pieces.

Further, three limit rods corresponding to the rolling balls are fixedly connected to the bottom ends of the height supporting plates, through holes for the limit rods to pass through are formed in the top ends of the ball sleeves, limit holes are formed in the top ends of the rolling balls, and the bottom ends of the limit rods penetrate through the base and the through holes to extend into the limit holes.

The application method of the portable range finder for real estate mapping comprises the following steps:

s1, selecting mapping positions: placing the base towards a predetermined mapping location;

s2, taking out the range finder: opening three telescopic legs, pushing the lifting seat to move upwards, and driving the distance meter to leave the accommodating box;

s3, leveling distance meter: observing the leveling assembly, adjusting the telescopic ends of the telescopic legs, and leveling the range finder;

s4, adjusting a distance meter and measuring: moving an adjusting component to adjust the distance meter to a preset height, a preset rotating angle and a preset tilting angle, and then starting measurement;

s5, accommodating a range finder: after the measurement is finished, the movable adjusting component resets the range finder, and the three telescopic legs are retracted to push the lifting seat to move downwards, so that the range finder is driven to enter the accommodating box.

Compared with the prior art, the invention has the following advantages and technical effects:

1. through flexible leg and connecting piece cooperation, when flexible leg is abducted or is interior, drive lifting seat and rise or move down, and then drive the distancer and leave and get into the box of holding, be convenient for on the one hand accomodate the save to the distancer, on the other hand be convenient for remove the carrying to the distancer that has the support.

2. Through setting up the survey level subassembly, after opening flexible leg, according to swinging member and monitoring piece cooperation, can demonstrate the levelness of distancer directly perceivedly, adjust three flexible leg simultaneously, guarantee the measurement accuracy of distancer.

3. Through setting up adjusting part, can adjust range finder's altitude, rotation angle, inclination from the ground to satisfy different service conditions.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application, illustrate and explain the application and are not to be construed as limiting the application. In the drawings:

FIG. 1 is a perspective view of a telescoping leg in a contracted state;

FIG. 2 is a perspective view of the rangefinder in a horizontal state;

FIG. 3 is a perspective view of the rangefinder not in a horizontal state;

FIG. 4 is a perspective view of the adjustment assembly in connection with the base;

FIG. 5 is a perspective view of the height adjustment member;

fig. 6 is a perspective view showing a state of an inclination angle of the range finder;

FIG. 7 is an enlarged view of a portion of FIG. 6 at A;

FIG. 8 is an exploded view of the connection of the swing seat to the swing rod;

FIG. 9 is a cross-sectional view of the detent lever in a ball attachment relationship;

FIG. 10 is a perspective view of a telescoping leg;

FIG. 11 is a partial enlarged view at B in FIG. 8;

fig. 12 is a perspective view of embodiment 2;

the device comprises a 1-base, a 101-placing groove, a 2-containing box, a 3-telescopic leg, a 301-fixing sleeve leg, a 302-telescopic rod, a 303- template, a 304-fixing bolt, a 4-lifting seat, a 5-distance meter, a 6-connecting plate, a 7-height supporting plate, an 8-rotation angle supporting plate, a 9-inclination angle adjusting plate, a 10-height sleeve, a 11-rotation angle supporting rod, a 12-first height adjusting plate group, a 13-second height adjusting plate group, a 14-rotating rod, a 15-fixing block, a 16-fixing hole, a 17-locating plate, a 18-locating rod, a 19-sliding groove, a 20-clamping plate, a 21-sliding block, a 22-clamping rod, a 23-swinging seat, a 24-ball sleeve, a 25-rolling ball, a 26-swinging rod, a 27-through hole, a 28-mounting seat, a 29-photoelectric emitter, a 30-sensing piece, a 31-limiting rod, a 32-through hole, a 33-limiting hole, a 34-alarm, a 35-monitoring groove and a 36-battery.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.

Example 1

Referring to fig. 1 to 11, the invention provides a portable range finder for real estate mapping, which comprises a base 1, wherein the top end of the base 1 is fixedly connected with a containing box 2; the three telescopic legs 3 are circumferentially arranged at the bottom end of the base 1, and the fixed ends of the telescopic legs 3 are hinged with the bottom end of the base 1; the lifting seat 4 is arranged below the base 1 and coincides with the axis of the base 1, the lifting seat 4 is connected with the three telescopic legs 3 through a connecting piece, the lifting seat 4 rises by being outwards stretched by the three telescopic legs 3, the lifting seat 4 descends by being inwards retracted by the three telescopic legs 3, the top end of the lifting seat 4 is connected with the distance meter 5 through an adjusting component, and the distance meter 5 is positioned in the accommodating box 2; the leveling assembly comprises a swinging piece and a monitoring piece, wherein the swinging piece is rotationally connected with the bottom end of the base 1, the monitoring piece is fixed on the adjusting assembly, and the swinging end of the swinging piece is correspondingly arranged with the monitoring piece.

It can be understood that when carrying in normal depositing, the distancer 5 is located and holds box 2, when removing distancer 5, only need carry telescopic leg 3 and base 1 can, need not worry in carrying the in-process that distancer 5 receives the damage, simultaneously distancer 5 does not expose and can not cause extra carrying burden, when needing to use distancer 5, open three telescopic leg 3, realize telescopic leg 3 and support base 1, when opening telescopic leg 3, the other end of three telescopic leg 3 is kept away from each other, and promote lifting seat 4 under the effect of connecting piece and rise, lifting seat 4 promotes distancer 5 through adjusting part and leaves and hold box 2, observe the relative position of swinging member and monitoring piece afterwards, when swinging member and monitoring piece correspond, distancer 5 is in the horizontality promptly, consequently, adjust telescopic end that telescopic leg 3 makes swinging member and monitoring piece correspond, after the horizontal adjustment of distancer 5 awaits measuring, the adjustment subassembly is operated, make the range finding head of distancer 5 put with predetermined height, rotation angle, tilt angle, can measure, after the measurement subassembly is operated and make the telescopic leg 3 is retrieved to three telescopic end that is retrieved to the telescopic leg 3, can be received to the telescopic end 3.

Wherein, the connection mode of the telescopic leg 3 and the bottom end of the base 1 adopts conventional hinging.

In one embodiment of the present invention, referring to fig. 10, the telescopic leg 3 includes a fixed sleeve leg 301 and a telescopic rod 302 slidably connected in the fixed sleeve leg 301, one end of the fixed sleeve leg 301 is hinged to the bottom end of the base 1, the middle of the telescopic rod 302 is of a flat plate structure, a template 303 is sleeved outside the fixed sleeve leg 301, two side edges of the template 303 are respectively in threaded connection with a fixing bolt 304, the tail end of the fixing bolt 304 penetrates through the fixed sleeve leg 301 to be abutted against the side wall of the plate structure of the telescopic rod 302, and the fixing bolt 304 is in threaded connection with the fixed sleeve leg 301. In this arrangement, when it is necessary to change the length of the telescopic leg 3, the fixing bolt 304 is separated from the telescopic rod 302.

In another embodiment of the present invention, the telescopic leg 3 includes a fixed leg 301 and a telescopic rod 302 slidably connected in the fixed leg 301, and a certain friction is provided between the inner wall of the fixed leg 301 and the outer wall of the telescopic rod 302. With this arrangement, an external operator is required to use a certain force to change the position of the telescoping rod 302.

Alternatively, other telescopic structures may be adopted to realize the telescopic leg 3.

Further, referring to fig. 4, a placement groove 101 is formed at the top end of the base 1. The placement groove 101 is used for placing the distance meter 5 in cooperation with the accommodating box 2, and it can be understood that the bottom end of the accommodating box 2 is hollow for the distance meter 5 to pass through. With this arrangement, the height of the housing case 2 can be reduced, making the overall device more portable.

Further, a cover (not shown) is detachably attached to the top end of the accommodating case 2. The box cover is used for sealing the top end of the accommodating box 2 so as to prevent foreign objects from entering the accommodating box 2 in the process of transportation and movement and causing pollution or damage to the range finder 5.

Further optimizing scheme, referring to fig. 1, 2, 3 and 8, the connecting piece comprises three connecting plates 6 circumferentially arranged on the side wall of the lifting seat 4, the three connecting plates 6 respectively correspond to the fixed ends of the three telescopic legs 3, one end of each connecting plate 6 is hinged with the side wall of the lifting seat 4, and the other end of each connecting plate 6 is hinged with the fixed end of each telescopic leg 3.

It can be understood that one end of the connecting plate 6 is hinged to the outer wall of the fixed leg 301 of the telescopic leg 3, when the telescopic leg 3 is opened, the distance between the fixed leg 301 and the lifting seat 4 is increased, so that the connecting plate 6 changes position and drives the lifting seat 4 to lift, and similarly, when the telescopic leg 3 is retracted, the distance between the fixed leg 301 and the lifting seat 4 is reduced, so that the connecting plate 6 changes position and drives the lifting seat 4 to descend.

Specifically, the connection plate 6 is hinged to the lifting seat 4 and the telescopic leg 3 in a conventional manner, for example, a groove is formed in the side wall of the lifting seat 4, two connection plates are fixed in the groove, a rotating rod is fixedly connected between the two connection plates, and one end of the connection plate 6 is sleeved on the rotating rod and is connected with the rotating rod in a rotating manner. Or other hinging modes are adopted, so that the connecting plate 6 can rotate relative to the lifting seat 4 and the telescopic legs 3.

Further optimizing scheme, referring to fig. 4, 5, adjusting part is including fixing the altitude mixture control spare on lifting seat 4 top, and altitude mixture control spare top stretches into and holds in the box 2 and the rigid coupling has altitude mixture control spare 7, and the rotation of altitude mixture control spare 7 top is connected with rotation angle backup pad 8, and rotation angle backup pad 8 top rotates and is connected with inclination angle adjustment board 9, and inclination angle adjustment board 9 top is through the fixed range finder 5 of clamping piece.

It will be appreciated that the lifting or lowering of the lifting base 4 moves the height adjustment member such that the position of the height support plate 7 is changed, a rotatable angle rotation support plate 8 is provided on the height support plate 7 for changing the distance between the rangefinder 5 and the housing box 2 and the horizontal relative angle of the rangefinder 5 and the housing box 2, and a tilt angle adjustment plate 9 for changing the tilt angle of the rangefinder 5.

Further optimizing scheme, the altitude mixture control spare includes the altitude mixture sleeve 10 with lifting seat 4 top rigid coupling, altitude mixture sleeve 10 top and high backup pad 7 bottom rigid coupling, and altitude mixture sleeve 10 swivelling joint has rotation angle bracing piece 11, rotation angle bracing piece 11 top and rotation angle backup pad 8 bottom rigid coupling.

The inner wall of the height sleeve 10 is fixedly connected with a plurality of first height adjusting plate groups 12 from top to bottom in sequence, the first height adjusting plate groups 12 comprise a plurality of first height adjusting plates circumferentially fixed on the inner wall of the height sleeve 10, the outer wall of the rotation angle supporting rod 11 is fixedly connected with a plurality of second height adjusting plate groups 13 from top to bottom in sequence, the second height adjusting plate groups 13 comprise a plurality of second height adjusting plates circumferentially fixed on the outer wall of the rotation angle supporting rod 11, the first height adjusting plate groups 12 and the second height adjusting plate groups 13 are arranged at intervals, and the first height adjusting plate groups 12 are used for supporting the second height adjusting plate groups 13.

It can be appreciated that the height sleeve 10 is used for connecting the lifting seat 4 and the height supporting plate 7, the height sleeve 10 drives the height supporting plate 7 to change after the position of the lifting seat 4 is changed, the distance meter 5 is driven to leave or enter the accommodating box 2, the rotation angle supporting rod 11 is used for supporting the rotation angle supporting plate 8, under the cooperation of the first height adjusting plate set 12 and the second height adjusting plate set 13, when the second height adjusting plate in the second height adjusting plate set 13 is located between the gaps of the first height adjusting plates in the first height adjusting plate set 12, the rotation angle supporting rod 11 can be lifted in the height sleeve 10 to change the heights of the height rotation angle supporting plate 8 and the distance meter 5, and meanwhile, when the first height adjusting plate set 12 and the second height adjusting plate set 13 are arranged in a staggered mode up and down, the rotation angle supporting rod 11 can rotate in the height sleeve 10 to realize the adjustment of the horizontal angle of the distance meter 5.

Specifically, the first height adjusting plate group 12 is composed of a plurality of first height adjusting plates with intervals in the middle, and gaps between two adjacent first height adjusting plates are used for allowing the second height adjusting plates to pass through, so that the height and angle of the rotation angle supporting rod 11 in the height sleeve 10 can be changed.

In the above arrangement, the height and rotation angle of the rangefinder 5 can be manually adjusted after the rangefinder 5 leaves the accommodation box 2. Meanwhile, the outer wall of the height supporting plate 7 is matched with the inner wall of the accommodating box 2, and the height supporting plate 7 is limited.

Further optimizing scheme, referring to fig. 6, the rotary rod 14 is worn to be fixed with by the inclination adjusting plate 9 to one side that keeps away from distancer 5 range unit, rotation angle backup pad 8 top rigid coupling has two fixed blocks 15 that set up, inclination adjusting plate 9 is located between two fixed blocks 15, and rotary rod 14 both ends run through two fixed blocks 15 respectively and rotate with fixed block 15 to be connected, a plurality of fixed orificess 16 have been seted up to the circumference on the lateral wall that rotary rod 14 is close to the tip, another fixed orificess 16 has been seted up on the fixed block 15 top, fixed block 15 top is provided with locating plate 17, locating plate 17 bottom rigid coupling has two locating levers 18, two locating lever 18 terminal stretches into respectively in the fixed orificess 16 on the fixed block 15 and in the fixed orificess 16 on the rotary rod 14.

It can be understood that the inclination adjusting plate 9 rotates relative to the fixed block 15 under the action of the rotating rod 14, so as to change the inclination of the distance meter 5, and a plurality of fixing holes 16 are formed at the end of the rotating rod 14, when the inclination of the distance meter 5 is changed, the positioning rods 18 are pulled away from the fixing holes 16, after the inclination of the distance meter 5 is adjusted, the two positioning rods 18 on the positioning plate 17 are respectively inserted into the fixing holes 16 on the fixed block 15 and the fixing holes 16 on the rotating rod 14, and the rotating rod 14 is fixed relative to the fixed block 15 under the action of the positioning plate 17, so that the fixing of the distance meter 5 is ensured.

Further optimizing scheme, referring to fig. 6 and 7, the top end of the inclination adjusting plate 9 is provided with a chute 19, the clamping piece comprises two clamping plates 20 which are oppositely arranged, two sliding blocks 21 are fixedly connected to the bottom ends of the two clamping plates 20 respectively, the sliding blocks 21 are located in the chute 19 and are matched with the chute 19, a clamping rod 22 is arranged on the two sliding blocks 21 in a penetrating mode, the clamping rod 22 is in threaded connection with the two sliding blocks 21, two ends of the clamping rod 22 penetrate through the inclination adjusting plate 9 and are in threaded connection with the inclination adjusting plate 9, and the moving directions of the two sliding blocks 21 are opposite.

It can be appreciated that through rotatory clamping lever 22, drive two grip blocks 20 are close to each other or keep away from, and it is fixed to carry out the centre gripping to the both sides of distancer 5, and under this setting, be convenient for change distancer 5, during the distancer 5 is located simultaneously and holds box 2 internal movement, can fix spacing to distancer 5, makes it be difficult for the contact to hold box 2 inner wall and causes the striking damage.

Alternatively, other connection methods may be used to fix the rangefinder 5, depending on the type of rangefinder 5.

Specifically, the clamping rod 22 is a bidirectional screw rod, and has two threads with opposite directions thereon, so as to drive the two sliding blocks 21 to approach each other or separate from each other.

Further optimizing scheme, referring to fig. 8 and 9, the swinging member comprises a swinging seat 23 fixed at the bottom end of the base 1, three ball sleeves 24 are fixedly connected at the bottom end of the swinging seat 23, the three ball sleeves 24 are respectively and correspondingly arranged with the fixed ends of the three telescopic legs 3, a rolling ball 25 is sleeved in the ball sleeves 24 in a rotating manner, a swinging rod 26 is fixedly connected at the bottom end of the rolling ball 25, and the bottom end of the swinging rod 26 is correspondingly arranged with the monitoring member.

Further optimizing scheme, referring to fig. 3, 8 and 11, a through hole 27 corresponding to the bottom end of the swinging rod 26 is formed in the top end of the lifting seat 4, the monitoring piece comprises three mounting seats 28 fixed to the bottom end of the lifting seat 4, a photoelectric emitter 29 is fixedly connected to the mounting seats 28, an induction piece 30 matched with the photoelectric emitter 29 is fixedly connected to the bottom end of the swinging rod 26, and the emission end of the photoelectric emitter 29 penetrates through the through hole 27 and corresponds to the induction piece 30.

It will be appreciated that the swinging seat 23 is fixed below the base 1, the height sleeve 10 penetrates the swinging seat 23 and is slidably connected with the swinging seat 23, and meanwhile, the receiving and releasing of the three telescopic legs 3 are not affected, the ball sleeve 24 is fixed at the bottom end of the swinging seat 23, the ball 25 is rotationally connected in the ball sleeve 24, so that the ball 25 can rotate 360 ° in the horizontal direction in the ball sleeve 24, the swinging rod 26 is connected on the ball 25, the bottom end of the swinging rod 26 is always perpendicular to the ground under the action of gravity, when the range finder 5 is not in the horizontal state, the base 1 is in an inclined state, the bottom end of the swinging rod 26 does not correspond to the penetrating hole 27, so that the transmitting end of the photoelectric transmitter 29 cannot be matched with the sensing piece 30, and therefore, according to the feedback of the sensing piece 30, the base 1 is not in the horizontal state, in this case, the telescopic legs 3 need to be adjusted until the sensing piece 30 on the swinging rod 26 corresponds to the transmitting end of the photoelectric transmitter 29.

At the same time, after the three telescopic legs 3 are opened, a certain distance should be ensured between the bottom end of the swinging rod 26 and the top end of the lifting seat 4.

In one embodiment of the present invention, referring to fig. 11, an alarm 34 is fixedly connected to the mounting base 28, and the alarm 34 is electrically connected to the sensing piece 30. The alarm 34 may be a light alarm or a sound alarm, which emits a signal to cause the light alarm or the sound alarm to alarm when the sensing piece 30 cannot sense the photoelectric transmitter 29, so that the operator can observe the alarm conveniently.

In another embodiment of the present invention, the sensing piece 30 is electrically connected to a display (not shown). The display can feed back the sensing state of the sensing piece 30, and the operator holds and observes the display to adjust the telescopic leg 3.

Further, the bottom end of the sway bar 26 should have a weight that is not subject to disturbance by the external environment (e.g., wind), ensuring that the sway bar 26 is always in a vertical arrangement.

Further, a battery is fixedly connected to the lifting seat 4, and the battery is connected with the photoelectric emitter 29, the sensing piece 30 and the alarm 34 through wires. The battery 36 is used for supplying power to the above-mentioned equipment, and the opening and closing of the photoelectric emitter 29, the sensing piece 30 and the alarm 34 can be realized by controlling the opening and closing of the battery 36.

Further optimizing scheme, the bottom end of the height supporting plate 7 is fixedly connected with three limiting rods 31 corresponding to the rolling balls 25, through holes 32 for the limiting rods 31 to pass through are formed in the top ends of the ball sleeves 24, limiting holes 33 are formed in the top ends of the rolling balls 25, and the bottom ends of the limiting rods 31 penetrate through the base 1 and the through holes 32 and extend into the limiting holes 33.

It will be appreciated that in this arrangement, when the rangefinder 5 leaves the accommodation box 2, the stop lever 31 follows the height support plate 7 to rise, so that the stop lever 31 releases the lock to the ball 25, the ball 25 can rotate relative to the ball sleeve 24 for levelness monitoring, when the rangefinder 5 enters the accommodation box 2 after the outer wall is measured, the stop lever 31 follows the height support plate 7 to descend, so that the stop lever 31 locks the ball 25, in this locked state, the swinging rod 26 cannot rotate relative to the ball sleeve 24, therefore, when the device is moved, the swinging rod 26 does not have a swinging problem, and the device is more convenient to carry.

The application method of the portable range finder for real estate mapping comprises the following steps:

s1, selecting mapping positions: the base 1 is placed towards a predetermined mapping position. According to the mapping requirement, the distance meter 5 is placed to the region to be mapped.

S2, taking out the range finder 5: the three telescopic legs 3 are opened, the lifting seat 4 is pushed to move upwards, and the distance meter 5 is driven to leave the accommodating box 2. After the position is selected, three telescopic legs 3 are opened at equal intervals, the telescopic legs 3 drive a connecting plate 6 to move, and then drive a lifting seat 4 to move upwards, so that a distance meter 5 leaves the accommodating box 2 and exposes a distance measuring head.

S3, leveling distance meter 5: observing the leveling component, adjusting the telescopic end of the telescopic leg 3, and leveling the range finder 5. And observing the positions of the sensing piece 30 and the photoelectric emitter 29 on the swinging rod 26, observing whether the sensing piece 30 on the swinging rod 26 corresponds to the photoelectric emitter 29 through an alarm 34 or a display, if so, performing the next operation, and if not, adjusting the corresponding telescopic leg 3 according to the offset direction of the swinging rod 26 and the through hole 27, and finally performing leveling treatment on the distance meter 5.

S4, adjusting a distance meter 5 and measuring: the adjustment assembly is moved to adjust the rangefinder 5 to a predetermined height, a predetermined rotation angle, a predetermined tilt angle, and then measurement is started. According to the mapping needs, the rotation angle supporting plate 8 is rotated to adjust the height and the horizontal rotation angle of the distance meter 5, and meanwhile, according to the mapping needs, the inclination angle of the inclination angle adjusting plate 9 is selectively changed or not changed.

S5, accommodating a range finder 5: after the measurement is finished, the movement adjusting component resets the distance meter 5, and the three telescopic legs 3 are retracted to push the lifting seat 4 to move downwards, so that the distance meter 5 is driven to enter the accommodating box 2. After the side wall is finished, the rotating angle supporting plate 8 is reset, and the three telescopic legs 3 are retracted, so that the distance measuring instrument 5 enters the accommodating box 2.

Example 2

Referring to fig. 12, the difference from embodiment 1 is that: the bottom end of the swinging rod 26 is a sphere, a monitoring groove 35 matched with the bottom end of the swinging rod 26 is formed in the top end of the lifting seat 4, and the bottom end part of the swinging rod 26 is positioned in the monitoring groove 35. In this arrangement, the photoelectric emitter 29 and the corresponding sensing piece 30 are not required, that is, when the telescopic leg 3 is adjusted, only the bottom end center position of the swinging rod 26 is required to be ensured to be positioned in the monitoring groove 35, and the arrangement is simple to use and low in cost, although the arrangement is lower than the precision of the photoelectric emitter 29 and the sensing piece 30.

The foregoing is merely a preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions easily conceivable by those skilled in the art within the technical scope of the present application should be covered in the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (10)

1. The utility model provides a portable distancer is used in real estate survey and drawing which characterized in that: comprising the steps of (a) a step of,

the base (1), the top of the base (1) is fixedly connected with a containing box (2);

the three telescopic legs (3) are circumferentially arranged at the bottom end of the base (1), and the fixed ends of the telescopic legs (3) are hinged with the bottom end of the base (1);

the lifting seat (4) is arranged below the base (1) and coincides with the axis of the base (1), the lifting seat (4) is connected with three telescopic legs (3) through a connecting piece, the lifting seat (4) rises through the outer expansion of the three telescopic legs (3), the lifting seat (4) descends through the inner retraction of the three telescopic legs (3), the top end of the lifting seat (4) is connected with a distance meter (5) through an adjusting component, and the distance meter (5) is positioned in the accommodating box (2);

the leveling assembly comprises a swinging piece and a monitoring piece, wherein the swinging piece is rotationally connected with the bottom end of the base (1), the monitoring piece is fixed on the adjusting assembly, and the swinging end of the swinging piece is correspondingly arranged with the monitoring piece.

2. The portable range finder for real estate mapping of claim 1 wherein: the connecting piece comprises three connecting plates (6) circumferentially arranged on the side wall of the lifting seat (4), the three connecting plates (6) respectively correspond to the fixed ends of the three telescopic legs (3), one end of each connecting plate (6) is hinged to the side wall of the lifting seat (4), and the other end of each connecting plate (6) is hinged to the fixed end of each telescopic leg (3).

3. The portable range finder for real estate mapping of claim 1 wherein: the adjusting component comprises a height adjusting piece fixed at the top end of the lifting seat (4), the top end of the height adjusting piece stretches into the accommodating box (2) and is fixedly connected with a height supporting plate (7), the top end of the height supporting plate (7) is rotationally connected with a rotation angle supporting plate (8), the top end of the rotation angle supporting plate (8) is rotationally connected with an inclination adjusting plate (9), and the top end of the inclination adjusting plate (9) is fixed by a clamping piece to the distance meter (5).

4. A portable range finder for real estate mapping according to claim 3, characterized in that: the height adjusting piece comprises a height sleeve (10) fixedly connected with the top end of the lifting seat (4), the top end of the height sleeve (10) is fixedly connected with the bottom end of the height supporting plate (7), a rotation angle supporting rod (11) is rotationally connected to the height sleeve (10), and the top end of the rotation angle supporting rod (11) is fixedly connected with the bottom end of the rotation angle supporting plate (8);

the utility model discloses a height sleeve (10) inner wall has a plurality of first height-adjusting plate group (12) from top to bottom in proper order rigid coupling, first height-adjusting plate group (12) are in including a plurality of circumferences first height-adjusting plate of height sleeve (10) inner wall, rotation angle bracing piece (11) outer wall has a plurality of second height-adjusting plate group (13) from top to bottom in proper order rigid coupling, second height-adjusting plate group (13) are in including a plurality of circumferences are fixed the second height-adjusting plate of rotation angle bracing piece (11) outer wall, first height-adjusting plate group (12) and second height-adjusting plate group (13) interval set up, just first height-adjusting plate group (12) are used for right second height-adjusting plate group (13) support.

5. A portable range finder for real estate mapping according to claim 3, characterized in that: the utility model discloses a distance meter, including distancer (5) ranging head, inclination adjusting plate (9) are kept away from one side of distancer (5) ranging head wears to establish and is fixed with rotary rod (14), rotation angle backup pad (8) top rigid coupling has two fixed block (15) that set up, inclination adjusting plate (9) are located two between fixed block (15), just rotary rod (14) both ends run through two respectively fixed block (15) and with fixed block (15) rotate to be connected, a plurality of fixed orifices (16) have been seted up to the circumference on the lateral wall that rotary rod (14) are close to the tip, another fixed orifices (16) have been seted up on fixed block (15) top, fixed block (15) top is provided with locating plate (17), locating plate (17) bottom rigid coupling has two locating lever (18), two locating lever (18) end stretch into respectively in fixed orifices (16) on fixed rod (14).

6. A portable range finder for real estate mapping according to claim 3, characterized in that: slide groove (19) have been seted up on inclination adjusting plate (9) top, the holder includes two grip blocks (20) of relative setting, two grip blocks (20) bottom rigid coupling has two sliders (21) respectively, slider (21) are located in slide groove (19) and with slide groove (19) adaptation, two wear to be equipped with on slider (21) clamping lever (22), clamping lever (22) with two slider (21) threaded connection just clamping lever (22) both ends run through inclination adjusting plate (9) with inclination adjusting plate (9) threaded connection, two slider (21) direction of motion is opposite.

7. A portable range finder for real estate mapping according to claim 3, characterized in that: the swinging piece comprises a swinging seat (23) fixed at the bottom end of the base (1), three ball sleeves (24) are fixedly connected at the bottom end of the swinging seat (23), the three ball sleeves (24) are respectively and correspondingly arranged with the fixed ends of the telescopic legs (3), a rolling ball (25) is sleeved in the ball sleeves (24) in a rotating manner, a swinging rod (26) is fixedly connected at the bottom end of the rolling ball (25), and the bottom end of the swinging rod (26) is correspondingly arranged with the monitoring piece.

8. The portable range finder for real estate mapping of claim 7 wherein: the device is characterized in that a through hole (27) corresponding to the bottom end of the swing rod (26) is formed in the top end of the lifting seat (4), the monitoring piece comprises three mounting seats (28) fixed to the bottom end of the lifting seat (4), a photoelectric emitter (29) is fixedly connected to the mounting seats (28), an induction piece (30) matched with the photoelectric emitter (29) is fixedly connected to the bottom end of the swing rod (26), and the emission end of the photoelectric emitter (29) penetrates through the through hole (27) and corresponds to the induction piece (30).

9. The portable range finder for real estate mapping of claim 8 wherein: the ball sleeve is characterized in that three limiting rods (31) corresponding to the rolling balls (25) are fixedly connected to the bottom ends of the height supporting plates (7), through holes (32) for the limiting rods (31) to penetrate are formed in the top ends of the ball sleeves (24), limiting holes (33) are formed in the top ends of the rolling balls (25), and the bottom ends of the limiting rods (31) penetrate through the base (1) and the through holes (32) to extend into the limiting holes (33).

10. A method of using a portable range finder for real estate mapping according to claim 1, characterized in that: the using steps comprise:

s1, selecting mapping positions: positioning a base (1) towards a predetermined mapping location;

s2, taking out the range finder (5): three telescopic legs (3) are opened, the lifting seat (4) is pushed to move upwards, and the distance meter (5) is driven to leave the accommodating box (2);

s3, leveling distance meter (5): observing the leveling assembly, adjusting the telescopic ends of the telescopic legs (3), and leveling the range finder (5);

s4, adjusting a distance meter (5) and measuring: moving the adjusting component to adjust the distance meter (5) to a preset height, a preset rotation angle and a preset inclination angle, and then starting measurement;

s5, accommodating a range finder (5): after the measurement is finished, the movable adjusting component resets the distance meter (5), and the three telescopic legs (3) are retracted to push the lifting seat (4) to move downwards, so that the distance meter (5) is driven to enter the accommodating box (2).

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