CN117073627A

CN117073627A - Portable elevation measurement equipment

Info

Publication number: CN117073627A
Application number: CN202311341915.4A
Authority: CN
Inventors: 陆定邦; 赵雨淋; 孙悦; 黄河谣; 吴启华
Original assignee: Guangdong University of Technology
Current assignee: Guangdong University of Technology
Priority date: 2023-10-17
Filing date: 2023-10-17
Publication date: 2023-11-17
Anticipated expiration: 2043-10-17
Also published as: CN117073627B

Abstract

The invention discloses portable elevation measurement equipment which comprises a tower ruler, a trolley, a supporting ruler component, a pushing component and an angle adjusting component, wherein the angle adjusting component is arranged in the trolley, the tower ruler penetrates through the top end of the trolley and is arranged on the angle adjusting component, the supporting ruler component is arranged on the top end of the trolley, and the pushing component is arranged on the supporting ruler component. The invention relates to the technical field of surveying and mapping equipment, in particular to portable elevation measuring equipment which can enable surveyors to read the tilting trend and the shaking degree of a tower ruler in a visual way through the reading and numerical value change conditions when a pressure gauge is stable, thereby being beneficial to evaluating and correcting the elevation measuring error of the tower ruler.

Description

Portable elevation measurement equipment

Technical Field

The invention relates to the technical field of surveying and mapping equipment, in particular to portable elevation measurement equipment.

Background

The tower ruler is one kind of leveling rod and is one common tool for height measurement. After the surveying staff obtains the height difference between the two points by using the leveling rod, the elevation data of the unknown point can be obtained according to the elevation of the known point plus the height difference between the two points. The use of the tower ruler requires external force support, and the perpendicularity and stability of the tower ruler support are related to the measured error.

The existing tower ruler is generally leveled and positioned with the frame by means of a leveling instrument, and the tower ruler is manually held by a user. At the uneven survey and drawing point of topography, the control degree of difficulty of slide rule straightness and stability is great, and the mode of hand slide rule is difficult to perceive the slight slope that takes place between slide rule and the frame to the manpower hand slide rule is difficult to maintain the holding dynamics invariable, and the slide rule can slightly rock, is unfavorable for aassessment and correction slide rule elevation measurement error.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the invention provides portable elevation measurement equipment, and aims to solve the problems that the control difficulty of perpendicularity and stability of a tower ruler is high at a mapping point with uneven topography, a mode of holding the tower ruler is not easy to perceive tiny inclination between the tower ruler and a frame, and the manual hand tower ruler is difficult to maintain constant holding force, the tower ruler slightly shakes, and is unfavorable for evaluating and correcting the elevation measurement error of the tower ruler.

The technical scheme adopted by the invention is as follows: the portable elevation measurement equipment comprises a tower ruler, a trolley, a supporting ruler component, a pushing component and an angle adjusting component, wherein the angle adjusting component is arranged inside the trolley, the tower ruler penetrates through the top end of the trolley and is arranged on the angle adjusting component, the supporting ruler component is arranged on the top end of the trolley, and the pushing component is arranged on the supporting ruler component.

Further, the ruler supporting component comprises a thin-wall box, a longitudinal sliding block, a transverse sliding block, ruler supporting wheels, hoops, round boxes, a transmission main rod, an air cylinder, a piston rod, a connecting block, a cotter pin and a pressure gauge, wherein the thin-wall box is fixedly arranged at the bottom end of a small car, the longitudinal sliding block is vertically and slidably arranged in the thin-wall box, the transverse sliding block is horizontally and slidably arranged in the thin-wall box and penetrates one side of the thin-wall box, the ruler supporting wheels are rotatably arranged at one end of the transverse sliding block and are attached to the slide rule, the hoops are provided with two groups and are respectively and fixedly arranged on the longitudinal sliding block and the transverse sliding block, the round boxes are provided with two groups and are respectively and rotatably arranged in the hoops, the air cylinder is fixedly arranged at the top end of the thin-wall box in a penetrating manner, the pressure gauge is fixedly arranged at the top end of the air cylinder, the piston rod is slidably arranged at the bottom end of the air cylinder, the connecting block is fixedly arranged at the bottom end of the piston rod, the transmission main rod is slidably penetrates through the two groups of the round boxes and is hinged to be arranged in the connecting block, and the cotter pin is inserted and penetrates through and is arranged on the connecting block and is fixedly arranged on the thin-wall box.

Further, the circumference array of the supporting ruler component is provided with a plurality of groups, the pushing component comprises a guide rail, a sliding seat, a hollow seat, a movable nut, a screw and a locking strip, the guide rail is fixedly arranged on one side of the thin-wall box, which is far away from the supporting ruler wheel, the sliding seat is slidably arranged on the guide rail, a longitudinal sliding block penetrates through one side of the thin-wall box and is fixedly arranged on the sliding seat, the hollow seat is arranged above the sliding seat and is fixedly arranged on the thin-wall box, the movable nut is rotationally arranged in the hollow seat, the screw penetrates through between the hollow seat and the sliding seat, the upper part of the screw is provided with an upper thread matched with the movable nut, the lower part of the screw is provided with a lower thread matched with the sliding seat, the upper thread is opposite to the lower thread in rotation direction, a plurality of groups of bayonets are formed in the outer circumferential surface of the movable nut at equal intervals, and the locking strip is inserted into the hollow seat and is in clamping connection with the bayonets.

Further, the dolly includes chassis, workstation, removes round, protective frame, switching door, locating cone pole and pushes down the grab handle, the wheel that removes rotates and locates the chassis below, the workstation is located the chassis top, protective frame is fixed to be located between workstation and the chassis, the switching door rotates and locates on the protective frame, locating cone pole is equipped with four sets of and rectangular array slip runs through the four corners of locating chassis and workstation, push down the grab handle and be equipped with four sets of and on locating cone pole is fixed to one, the thin wall case is fixed to be located on the workstation, the workstation center has been seted up and has been passed the dodging the mouth of slide rule, dodging a mouthful radius is greater than slide rule cross section radius.

Further, angle modulation subassembly includes semicircle supporting rail, intermediate lamella, outside stabilizer blade, center stabilizer blade, lower axle, upper axle, cartridge seat, half worm wheel and worm, half worm wheel is fixed to be located on the chassis, semicircle supporting rail symmetry is located half worm wheel both sides and is fixed to be located on the chassis, the intermediate lamella is located half worm wheel top, the center stabilizer blade is equipped with two sets of, two sets of center stabilizer blade passes semicircle supporting rail one by one and is fixed to locate the intermediate lamella below, outside stabilizer blade symmetry is located center stabilizer blade both sides and is fixed to locate the intermediate lamella below, all rotate in outside stabilizer blade and the center stabilizer blade and be equipped with the walking wheel, the walking wheel roll laminating in the center stabilizer blade is located semicircle supporting rail below, the walking wheel roll laminating in the outside stabilizer blade is located semicircle supporting rail top, lower axle and upper axle rotate respectively and are located the below and the top of intermediate lamella, upper axle and lower axle parallel arrangement, the worm is fixed to be located down epaxial and with half meshing connection, the cartridge seat is fixed to be located on the upper axle, the tower ruler passes the seat and dodges in the cartridge seat.

Further, the shallow grooves are formed in four corners of the workbench, the upper parts of the positioning conical head rods penetrate through and slide to form anti-falling strips, and the anti-falling strips are clamped in the shallow grooves.

Further, the lead of the upper thread is greater than the lead of the lower thread.

Further, annular notches are formed in the upper side and the lower side of the movable nut, a plurality of groups of balls are arranged on the inner wall of the hollow seat in a rolling and clamping mode, and the plurality of groups of balls are arranged in the annular notches in a rolling and clamping mode.

Further, a level gauge is fixedly arranged on the plug-in seat.

Further, the upper shaft is a damping rotating shaft.

The beneficial effects obtained by the invention by adopting the structure are as follows:

1. through the combination of the supporting ruler component and the pushing component, mapping staff can read the dumping trend and the shaking degree of the tower ruler through the reading and the numerical value change condition when the pressure gauge is stable, and therefore the measuring error of the height of the tower ruler can be evaluated and corrected.

2. In the slider assembly, by means of the plug-in connection relation of the cotter pin, the thin-wall box and the connecting block, the piston rod and the air cylinder are kept relatively static in the process of pressing the slider by the slider wheel through the longitudinal sliding block, the transmission main rod and the transverse sliding block, so that the slider is prevented from being difficult to be pressed due to looseness of the slider wheel caused by floating of the connecting block. And when the height measurement is carried out by using the tower ruler, the opening pin can be taken down in advance, so that the piston rod and the supporting ruler wheel have linear associated movement trend through the transmission of the transverse sliding block, the transmission main rod and the connecting block, and then the dumping trend and the shaking degree of the tower ruler are fed back by the pressure value and the variation amplitude in the inflator displayed by the pressure gauge.

3. In the pushing component, a lower thread and an upper thread with opposite rotation directions are arranged on the screw rod, and a movable nut which can be fixed by the locking strip is correspondingly added, so that the sliding seat and the longitudinal sliding block can be driven to obtain a larger stroke by rotating the screw rod for one circle when the movable nut is locked, the supporting ruler wheel can be rapidly fed to be close to or far away from the tower ruler, and the longitudinal sliding block can be driven to obtain a smaller stroke by rotating the screw rod for one circle when the movable nut is not locked, so that the compression degree of the supporting ruler wheel relative to the tower ruler can be conveniently adjusted, and the dumping trend and the shaking degree of the tower ruler can be reduced.

4. The angle modulation assembly is based on the realization of leveling and positioning, and the upper shaft and the lower shaft used for adjusting the dip angle of the tower ruler are mutually parallel and close, so that a user can just face the end parts of the upper shaft and the lower shaft by opening the opening and closing door, the space occupation is reasonable, and the simplicity of dip angle adjustment of the tower ruler is ensured.

5. The setting of locating cone head pole, push down grab handle, put shallow slot and prevent falling the strip can avoid locating cone head pole whereabouts when the dolly removes to take down in advance before using the slide rule to measure and prevent falling the strip, keep the steadiness of dolly by the locating cone head pole of grafting in ground, prevent that the bottom sprag is unstable to produce adverse effect to the use of slide rule.

6. The split design of the tower ruler and the plug seat enables the tower ruler to be stored separately from the trolley, reduces the space height required by storing the tower ruler and the trolley, and enhances the portability of the invention.

Drawings

The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:

FIG. 1 is a schematic diagram of the overall structure of a portable elevation measurement apparatus of the present invention;

FIG. 2 is a schematic perspective view of a handrail assembly and a pushing assembly of the present invention;

FIG. 3 is a schematic perspective view of the present invention with the thin wall box removed from the hold-down assembly and push assembly;

FIG. 4 is an enlarged partial schematic view of the invention at section A of FIG. 3;

FIG. 5 is a schematic front view of the present invention with the thin-walled box removed from the hold-down assembly and push assembly;

FIG. 6 is a schematic perspective view of a portion of the components of the present invention;

FIG. 7 is a schematic perspective view of a slip nut of the present invention;

FIG. 8 is a schematic view of the whole structure of the invention with the protective frame removed and the door opened and closed;

fig. 9 is a schematic perspective view of the recliner assembly of the present invention;

fig. 10 is a schematic front view of the recliner assembly of the present invention;

fig. 11 is a schematic perspective view of a workbench according to the invention.

Wherein 1, a tower, 2, a trolley, 201, a chassis, 202, a workbench, 203, a moving wheel, 204, a protective frame, 205, an opening and closing door, 206, a positioning cone rod, 207, a pressing handle, 208, a shallow groove, 209, an anti-falling bar, 210, a avoidance opening, 3, a supporting ruler component, 301, a thin-wall box, 302, a longitudinal sliding block, 303, a transverse sliding block, 304, a supporting ruler wheel, 305, a hoop, 306, a round box, 307, a transmission main rod, 308, an air cylinder, 309, a piston rod, 310, a connecting block, 311, a cotter, 312, a pressure gauge, 4, a pushing component, 401, a guide rail, 402, a sliding seat, 403, a hollow seat, 404, a movable nut, 4041, an annular notch, 4042, a bayonet, 405, a ball, 406, a screw, 4061, a lower thread, 4062, an upper thread, 407, a locking bar, 5, an angle adjusting component, 501, a semicircular supporting rail, 502, a middle plate, 503, an outer side, 504, a center supporting leg, 505, a walking wheel, 506, a lower shaft, 507, an upper shaft, 509, a worm gear, a 509, a half-wheel, a shaft, a 508, a screw, a half-shaped seat, a 511 and a screw.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention; 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 the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.

As shown in fig. 1 and 8, the portable elevation measurement device of the invention comprises a tower ruler 1, a trolley 2, a supporting ruler component 3, a pushing component 4 and an angle modulation component 5, wherein the angle modulation component 5 is arranged in the trolley 2, the tower ruler 1 passes through the top end of the trolley 2 and is arranged on the angle modulation component 5, the supporting ruler component 3 is arranged on the top end of the trolley 2, and the pushing component 4 is arranged on the supporting ruler component 3.

As shown in fig. 1 and 11, the trolley 2 comprises a chassis 201, a workbench 202, a movable wheel 203, a protective frame 204, an opening and closing door 205, a positioning cone rod 206 and a pressing handle 207, the movable wheel 203 is rotationally arranged below the chassis 201, the workbench 202 is positioned above the chassis 201, the protective frame 204 is fixedly arranged between the workbench 202 and the chassis 201, the opening and closing door 205 is rotationally arranged on the protective frame 204, the positioning cone rod 206 is provided with four groups and a rectangular array is slidingly penetrated through four corners of the chassis 201 and the workbench 202, the pressing handle 207 is provided with four groups and is fixedly arranged on the positioning cone rod 206 one by one, the center of the workbench 202 is provided with an avoidance opening 210 penetrating through the tower 1, the radius of the avoidance opening 210 is larger than the radius of the cross section of the tower 1, the four corners of the workbench 202 are provided with a shallow placing groove 208, the upper part of the positioning cone rod 206 is penetratingly and slidingly provided with anti-falling strips 209, and the anti-falling strips 209 are blocked and arranged in the shallow placing groove 208.

When the trolley 2 is used, the trolley 2 can be moved to a mapping point through the moving wheel 203, the falling-preventing strip 209 prevents the locating cone rod 206 from falling down to influence movement in the moving process, then the locating cone rod 206 and the falling-preventing strip 209 are slightly lifted upwards to separate the falling-preventing strip 209 from the shallow placing groove 208, the falling-preventing strip 209 is conveniently detached from the locating cone rod 206, a user presses the locating cone rod 206 into the ground through the pressing handle 207, the stable locating of the trolley 2 is realized, and the subsequent measuring operation of the tower ruler 1 is convenient.

As shown in fig. 8, 9 and 10, the angle adjusting assembly 5 comprises a semicircular support rail 501, a middle plate 502, an outer side support leg 503, a central support leg 504, a lower shaft 506, an upper shaft 507, a socket 508, a half worm wheel 510 and a worm 511, wherein the half worm wheel 510 is fixedly arranged on the chassis 201, the semicircular support rail 501 is symmetrically arranged at two sides of the half worm wheel 510 and fixedly arranged on the chassis 201, the middle plate 502 is arranged above the half worm wheel 510, the central support leg 504 is provided with two groups, the two groups of central support legs 504 penetrate through the semicircular support rail 501 one by one and are fixedly arranged below the middle plate 502, the outer side support legs 503 are symmetrically arranged at two sides of the central support leg 504 and are fixedly arranged below the middle plate 502, the walking wheel 505 is arranged in the outer side supporting leg 503 and the center supporting leg 504 in a rotating mode, the walking wheel 505 in the center supporting leg 504 is in rolling fit with the lower portion of the semicircular supporting rail 501, the walking wheel 505 in the outer side supporting leg 503 is in rolling fit with the upper portion of the semicircular supporting rail 501, the lower shaft 506 and the upper shaft 507 are respectively arranged below and above the middle plate 502 in a rotating mode, the upper shaft 507 and the lower shaft 506 are arranged in parallel, the worm 511 is fixedly arranged on the lower shaft 506 and is meshed with the half worm wheel 510, the inserting base 508 is fixedly arranged on the upper shaft 507, and the tower ruler 1 penetrates through the avoiding opening 210 and is inserted into the inserting base 508.

As shown in fig. 9 and 10, a level 509 is fixedly provided on the socket 508.

As shown in fig. 9 and 10, the upper shaft 507 is a damping shaft.

The user opens the door 205 and can contact the upper shaft 507, the lower shaft 506 and the leveling instrument 509 at a short distance, and the center support leg 504 and the outer support leg 503 below the middle plate 502 are respectively positioned on the semicircular support rail 501 in a rolling way from the inner side to the outer side through the travelling wheels 505, so that the user can drive the middle plate 502, the center support leg 504 and the outer support leg 503 to slide and deflect along the semicircular support rail 501 in the front-rear direction due to the meshing relation between the worm 511 and the half worm wheel 510 when rotating the lower shaft 506, and can drive the inserting seat 508 to deflect left and right by the upper shaft 507 in comparison with the leveling instrument 509 after adjusting the levelness in the front-rear direction, thereby realizing the leveling of the inserting seat 508, and the tower ruler 1 can be placed into the inserting seat 508 through the avoiding opening 210 after the leveling of the inserting seat 508.

As shown in fig. 2, 3, 5 and 6, the holding ruler assembly 3 comprises a thin-wall box 301, a longitudinal sliding block 302, a transverse sliding block 303, a holding ruler wheel 304, a hoop 305, a round box 306, a transmission main rod 307, an air cylinder 308, a piston rod 309, a connecting block 310, a split pin 311 and a pressure gauge 312, wherein the thin-wall box 301 is fixedly arranged on the workbench 202, the longitudinal sliding block 302 is vertically and slidingly arranged in the thin-wall box 301, the transverse sliding block 303 is horizontally and slidingly arranged in the thin-wall box 301 and penetrates one side of the thin-wall box 301, the holding ruler wheel 304 is rotationally arranged at one end of the transverse sliding block 303 and is attached to the tower 1, the hoop 305 is provided with two groups and is respectively fixedly arranged on the longitudinal sliding block 302 and the transverse sliding block 303, the round box 306 is provided with two groups and is respectively rotationally arranged in the hoop 305, the air cylinder 308 is fixedly arranged at the top of the thin-wall box 301, the pressure gauge 312 is fixedly arranged at the top of the air cylinder 308, the piston rod 309 is slidingly arranged at the bottom of the connecting block 308, the piston rod 309 is fixedly arranged at the bottom of the piston rod 307, the transmission main rod 307 is slidingly arranged at the two groups of the round box 306 and is hinged in the connecting block 310, the split pin 311 is inserted and fixedly arranged on the connecting block 310.

The external force drives the longitudinal sliding block 302 to move downwards, and the split pin 311 limits the upward and downward movement of the connecting block 310 and the piston rod 309, so that the downward movement of the longitudinal sliding block 302 can enable the transmission main rod 307 to swing towards the vertical state and push the transverse sliding block 303 and the supporting ruler wheel 304, the supporting ruler wheel 304 is tightly attached to the staff 1, stability of the supporting ruler is guaranteed, when the staff 1 is used, the split pin 311 is removed and the vertical sliding block 302 is braked to slide up and down, at the moment, stability of the supporting ruler wheel 304 is guaranteed by pressure between the air cylinder 308 and the piston rod 309, slight inclination of the staff 1 to one side can increase pressure to the supporting ruler wheel 304 in the direction, and the piston rod 309 is contracted into the air cylinder 308 through transmission of the transverse sliding block 303, the transmission main rod 307 and the connecting block 310 so as to increase the indicating number of the pressure gauge 312, and when the staff 1 is rocked, the indicating number of the pressure gauge 312 is continuously changed through the supporting ruler wheel 304, the transverse sliding block 303, the transmission main rod 307, the connecting block 310 and the piston rod 309 and 308, so that a user can intuitively obtain the corresponding indicating number of the corresponding inclination of the staff 1 and the trend of the staff 1 by the indicating number of the pressure gauge 312, and the current inclination of the staff 1, and the error measurement are convenient to evaluate.

As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 7, the circumference array of the supporting ruler component 3 is provided with a plurality of groups, the pushing component 4 comprises a guide rail 401, a sliding seat 402, a hollow seat 403, a movable nut 404, a screw 406 and a locking strip 407, the guide rail 401 is fixedly arranged on one side of the thin-wall box 301 far away from the supporting ruler wheel 304, the sliding seat 402 is slidably arranged on the guide rail 401, a longitudinal sliding block 302 penetrates one side of the thin-wall box 301 and is fixedly arranged on the sliding seat 402, the hollow seat 403 is positioned above the sliding seat 402 and is fixedly arranged on the thin-wall box 301, the movable nut 404 is rotationally arranged in the hollow seat 403, the screw 406 penetrates through between the hollow seat 403 and the sliding seat, the upper part of the screw 406 is provided with an upper thread 4062 matched with the movable nut 404, the lower thread 4061 is arranged on the lower part of the screw 406 in a rotating direction opposite to that of the lower thread 4061, a plurality of groups of bayonets 4042 are arranged on the outer circumference of the movable nut 404 at equal intervals, the locking strip 407 is spliced in the hollow seat 403 and is in the bayonet 4042 and is in clamping connection, the lead of the upper thread 4062 is larger than the lower thread lead of the lower thread 4061, the upper thread is provided with annular grooves 4041, and the annular grooves 4041 are respectively arranged on the upper side of the rolling balls 4041.

When the locking bar 407 is inserted into the hollow seat 403 and is clamped with the bayonet 4042 on the movable nut 404, the movable nut 404 cannot rotate, at this time, the rotating screw 406 can enable the screw 406 to move relative to the hollow seat 403, the sliding seat 402 driven by the lower thread 4061 can move relative to the guide rail 401, because the upper thread 4062 and the lower thread 4061 rotate oppositely, when the sliding seat 402 moves downwards by rotating the screw 406 for one circle, the sliding seat 402 directly moves downwards by one lead of the lower thread 4061, and the upward movement trend generated by the upper thread 4062 on the hollow seat 403 and the movable nut 404 can force the screw 406 to move downwards by one lead of the upper thread 4062 due to the static state of the hollow seat 403 and the movable nut 404, so that the sliding seat 402 can move quickly by one circle by the screw 406, the lead sum of the upper thread 4062 and the lower thread 4061 can be conveniently driven by the sliding seat 4062 to quickly approach or leave the slide rule 1, when the locking bar 407 is separated from the bayonet 4042, the movable nut 404 is only positioned in the hollow seat 403 by the upper and the lower threads 4061, and the sliding seat 404 can move synchronously by one circle by the sliding guide roller 4062 and the lower thread 4062 on the side face of the slide rule 1.

When the device is specifically used, after the trolley 2 is moved to a mapping point, the positioning cone rod 206 is used for stably positioning the trolley 2, then the opening and closing door 205 is opened, the angle adjusting assembly 5 is operated, the leveling and positioning of the inserting seat 508 are realized, the connection of the worm 511 and the half worm wheel 510 utilizes the self-locking property to keep the stability of the middle plate 502, and the upper shaft 507 is selected as a damping rotating shaft to keep the stability of the inserting seat 508 before and after the tower ruler 1 is placed. Under the condition that the cotter pin 311 penetrates through the thin-wall box 301 and the connecting block 310 and the locking strip 407 is clamped in the bayonet 4042, the screw 406 is rotated to enable the sliding seat 402, the longitudinal sliding block 302, the adjacent hoop 305 and the round box 306 to move downwards rapidly, the round box 306 rotates and drives the transmission main rod 307 in sliding connection to swing in the downward moving process, and the swing of the transmission main rod 307 relative to the connecting block 310 can drive the transverse sliding block 303 to move through the other group of hoop 305 and the round box 306, so that the slider wheel 304 is close to and tightly presses the tower rule 1 rapidly. The cotter pin 311 is pulled out and a plurality of tower scales 1 are pulled out to prepare for measuring the target height, and the dumping trend and the shaking degree of the tower scales 1 in the process can be displayed on the pressure gauge 312 by the supporting ruler assembly 3 which is circumferentially arranged on the periphery of the tower scales 1, so that a mapping staff can conveniently evaluate mapping errors and measure the target height again after the dumping trend of the tower scales 1 is reduced. After observing the condition of the pressure gauge 312, if a certain condition that the pressure gauge 312 has a larger value exists, the mapping personnel can remove the locking strip 407, reversely rotate a group of screws 406 opposite to the pressure gauge 312 with overlarge reading to slowly lift the longitudinal sliding block 302 and drive the supporting ruler wheel 304 to slightly separate from the staff 1, so that the tilting trend of the staff 1 is reduced, the verticality of the upper part of the staff 1 is further ensured, and the mapping error can be reduced.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

While the fundamental and principal features of the invention and advantages of the invention have been shown and described, 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 may be embodied in 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 disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides a portable elevation measurement equipment, includes slide rule (1), dolly (2), its characterized in that: still including holding up chi subassembly (3), pushing component (4) and angle modulation subassembly (5), inside dolly (2) are located in angle modulation subassembly (5), slide rule (1) pass dolly (2) top and locate on angle modulation subassembly (5), hold up chi subassembly (3) and locate dolly (2) top, pushing component (4) are located on holding up chi subassembly (3).

2. A portable elevation measurement apparatus according to claim 1, wherein: the hand ruler assembly (3) comprises a thin-wall box (301), a longitudinal sliding block (302), a transverse sliding block (303), a hand ruler wheel (304), a hoop (305), a round box (306), a transmission main rod (307), an air cylinder (308), a piston rod (309), a connecting block (310), a cotter pin (311) and a pressure gauge (312), wherein the thin-wall box (301) is fixedly arranged at the top end of a trolley (2), the longitudinal sliding block (302) is vertically and slidingly arranged in the thin-wall box (301), the transverse sliding block (303) is horizontally and slidingly arranged in the thin-wall box (301) and penetrates one side of the thin-wall box (301), the hand ruler wheel (304) is rotationally arranged at one end of the transverse sliding block (303) and is attached to a tower ruler (1), the hoop (305) is provided with two groups and is respectively and fixedly arranged on the longitudinal sliding block (302) and the transverse sliding block (303), the round box (306) is provided with two groups and is respectively rotationally arranged in the hoop (305), the top end of the thin-wall box (301) is fixedly arranged in a penetration way, the pressure gauge (312) is fixedly arranged at the top end of the thin-wall box (308), the air cylinder (308) is fixedly arranged at the top end, the air cylinder (309) and the bottom end (308) is fixedly arranged at the bottom end of the piston rod (309), the transmission main rod (307) penetrates through the two groups of round boxes (306) in a sliding mode and is hinged to the connecting block (310), and the cotter pin (311) is inserted and connected to the connecting block (310) and the thin-wall box (301) in a penetrating mode.

3. A portable elevation measurement apparatus according to claim 2, wherein: the utility model provides a sliding type ruler assembly is characterized in that a plurality of groups are arranged on a circumference array of the ruler assembly (3), the pushing assembly (4) comprises a guide rail (401), a sliding seat (402), a hollow seat (403), a movable nut (404), a screw rod (406) and a locking strip (407), the guide rail (401) is fixedly arranged on one side of a thin-wall box (301) far away from the ruler wheel (304), the sliding seat (402) is slidingly arranged on the guide rail (401), a longitudinal sliding block (302) penetrates one side of the thin-wall box (301) and is fixedly arranged on the sliding seat (402), the hollow seat (403) is arranged above the sliding seat (402) and is fixedly arranged on the thin-wall box (301), the movable nut (404) is rotationally arranged in the hollow seat (403), the screw rod (406) penetrates through between the hollow seat (403) and the sliding seat, an upper thread (4062) matched with the movable nut (404) is arranged on the upper portion of the screw rod (406), a lower thread (4061) matched with the sliding seat (402) is arranged on the lower portion of the screw rod (406), the upper thread (4062) is rotatably arranged on the bayonet (4061) opposite to the lower thread (4042) and is rotatably arranged on the outer circumference of the hollow seat (4042), and is connected with the hollow seat (4042) in a bayonet joint mode.

4. A portable elevation measurement apparatus according to claim 3, wherein: the trolley (2) comprises a chassis (201), a workbench (202), a movable wheel (203), a protective frame (204), an opening and closing door (205), a positioning cone rod (206) and a pressing handle (207), wherein the movable wheel (203) is rotationally arranged below the chassis (201), the workbench (202) is located above the chassis (201), the protective frame (204) is fixedly arranged between the workbench (202) and the chassis (201), the opening and closing door (205) is rotationally arranged on the protective frame (204), the positioning cone rod (206) is provided with four groups and a rectangular array is slidably penetrated through four corners of the chassis (201) and the workbench (202), the pressing handle (207) is provided with four groups and is fixedly arranged on the positioning cone rod (206), the thin-wall box (301) is fixedly arranged on the workbench (202), an avoidance opening (210) penetrating through a tower ruler (1) is formed in the center of the workbench (202), and the radius of the avoidance opening (210) is larger than the radius of the cross section of the tower ruler (1).

5. A portable elevation measurement apparatus according to claim 4, wherein: the angle adjusting assembly (5) comprises a semicircular supporting rail (501), a middle plate (502), outer side supporting legs (503), center supporting legs (504), a lower shaft (506), an upper shaft (507), a plug-in seat (508), a half worm wheel (510) and a worm (511), wherein the half worm wheel (510) is fixedly arranged on a chassis (201), the semicircular supporting rail (501) is symmetrically arranged on two sides of the half worm wheel (510) and fixedly arranged on the chassis (201), the middle plate (502) is arranged above the half worm wheel (510), the center supporting legs (504) are provided with two groups, the two groups of center supporting legs (504) penetrate through the semicircular supporting rail (501) one by one and are fixedly arranged below the middle plate (502), the outer side supporting legs (503) are symmetrically arranged on two sides of the center supporting legs (504) and are fixedly arranged below the middle plate (502), travelling wheels (505) are rotatably arranged in the outer side supporting legs (503) and the center supporting legs (504), the travelling wheels (505) in the center supporting legs (504) are rotatably arranged below the semicircular supporting rail (501), the outer side supporting legs (503) are rotatably arranged above the middle plate (502) in a laminating mode, the upper side of the rolling supporting legs (503) are rotatably arranged below the middle plate (502), the upper shaft (507) is arranged in parallel with the lower shaft (506), the worm (511) is fixedly arranged on the lower shaft (506) and is meshed with the half worm wheel (510), the inserting base (508) is fixedly arranged on the upper shaft (507), and the tower ruler (1) penetrates through the avoidance opening (210) and is inserted into the inserting base (508).

6. A portable elevation measurement apparatus according to claim 4, wherein: the four corners of the workbench (202) are provided with placing shallow grooves (208), the upper parts of the positioning conical head rods (206) are provided with anti-falling strips (209) in a penetrating and sliding mode, and the anti-falling strips (209) are clamped in the placing shallow grooves (208).

7. A portable elevation measurement apparatus according to claim 3, wherein: the lead of the upper thread (4062) is greater than the lead of the lower thread (4061).

8. A portable elevation measurement apparatus according to claim 3, wherein: annular notches (4041) are formed in the upper side and the lower side of the movable nut (404), a plurality of groups of balls (405) are arranged on the inner wall of the hollow seat (403) in a rolling and clamping mode, and the plurality of groups of balls (405) are arranged in the annular notches (4041) in a rolling and clamping mode.

9. A portable elevation measurement apparatus according to claim 5, wherein: a level gauge (509) is fixedly arranged on the plug-in socket (508).

10. A portable elevation measurement apparatus according to claim 5, wherein: the upper shaft (507) is a damping rotating shaft.