CN213481350U

CN213481350U - Measuring device for surveying and mapping engineering

Info

Publication number: CN213481350U
Application number: CN202023004688.0U
Authority: CN
Inventors: 李明
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2021-06-18
Anticipated expiration: 2030-12-15

Abstract

The utility model relates to a measuring device for surveying and mapping engineering, which comprises a clamping mechanism for clamping an instrument, the clamping mechanism is arranged on the adjusting mechanism, the adjusting mechanism is used for adjusting the planeness of the clamping mechanism, the adjusting mechanism is arranged on the supporting frame, the height of the adjusting mechanism on the supporting frame is adjustable, when the measuring device is in actual use, the equipment is clamped on the clamping mechanism, the equipment is fixed, the included angle between the equipment and the horizontal plane is adjusted through the adjusting mechanism, further accurately adjusting the angle required by the equipment, arranging the adjusting mechanism on the supporting frame, thereby fixing the whole device to adjust the height of the equipment and the ground, the measuring device can adjust the horizontal precision of the mounting surface of the supporting frame instrument so as to improve the leveling precision of the surveying and mapping instrument and reduce the leveling difficulty.

Description

Measuring device for surveying and mapping engineering

Technical Field

The utility model belongs to the technical field of engineering construction equipment technique and specifically relates to a measuring device for mapping engineering.

Background

Building planning refers to design for satisfying a certain building purpose (including requirements of people on the use function and the visual perception of the building), and needs to perform fixed-point mapping on various data of a building site, such as data of an actual area, a slope inclination angle, actual topography and landform, and the like, and take the mapping result as the basis of building planning.

At present, various instruments such as a theodolite, a level, a range finder and the like need to be used during surveying and mapping, and a support frame for supporting the surveying and mapping instrument is needed; because the ground condition in survey and drawing place is comparatively complicated, or the unevenness, or there is big or small slope, surveying instrument at present stage is back on installing to the support frame, need carry out the horizontal adjustment of platform through several adjusting screw, in order to guarantee the horizontal precision of instrument, thereby guarantee surveying and drawing data's accuracy, but because the erection of support frame relies on the sensation entirely, the regulation precision to the supporting legs is low, the platform horizontal precision that is used for installing surveying and drawing instrument on leading to the support frame is not enough, need consume the plenty of time after the instrument is installed and adjust the instrument level, waste time and energy, and the leveling degree of difficulty is big, easily exert an influence to surveying and drawing data's precision.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the utility model provides a measuring device for surveying and mapping engineering can adjust support frame instrument installation face horizontal accuracy in order to improve surveying and mapping instrument leveling precision and reduce the leveling degree of difficulty.

The utility model provides a solve technical problem and adopt following technical scheme:

measuring device for mapping engineering, including the latch mechanism who is used for the joint instrument, latch mechanism sets up on guiding mechanism, guiding mechanism is used for adjusting latch mechanism's plane degree, guiding mechanism sets up on the support frame, guiding mechanism is located the height-adjustable of support frame.

The utility model discloses still there is following technical characteristic:

the clamping mechanism comprises a chuck, a plurality of groups of clamping jaws are arranged on the chuck, the groups of clamping jaws are arranged along the circumferential direction of the chuck, the groups of clamping jaws are respectively connected with a driving unit, and the driving unit drives the groups of clamping jaws to move or keep away from the chuck along the radial direction.

The chuck is provided with three slide holes, the slide holes are arranged along the radial direction of the chuck, and the clamping jaws are arranged in the slide holes in a sliding manner.

One side face of the clamping jaw is provided with a driving tooth section, the driving tooth section of the clamping jaw is meshed with a driving tooth disc, the driving tooth disc and the chuck are arranged concentrically, and the driving tooth disc rotates and is linked with the clamping jaw to synchronously move along the length direction of the sliding hole.

The chuck extends and is provided with and presss from both sides tight support, the central rotary type setting of drive fluted disc is on pressing from both sides tight support, the center of drive fluted disc is provided with presss from both sides tight gear, press from both sides tight gear and press from both sides tight worm cooperation, it is provided with and presss from both sides tight carousel to press from both sides tight worm one end.

The radial direction of drive fluted disc is provided with presss from both sides tight slide bar, it constitutes sliding fit with the jack catch to press from both sides tight slide bar, the cover is equipped with clamping spring on pressing from both sides tight slide bar, clamping spring's both ends lean on with pressing from both sides tight slide bar and jack catch respectively and are connected.

The medial surface of jack catch is provided with presss from both sides tight arch, it sets up a plurality ofly to press from both sides tight arch along the length direction interval of jack catch.

The clamping worm rotary type sets up on a support section of thick bamboo, a support section of thick bamboo is arranged with the drive fluted disc is concentric, a support section of thick bamboo dynamic formula sets up on adjusting the carousel, adjusting the carousel and arranging with the drive fluted disc is concentric, be provided with turned angle adjustment mechanism on adjusting the carousel, turned angle adjustment mechanism is used for adjusting the turned angle of a support section of thick bamboo.

The rotating angle adjusting mechanism comprises a rotating angle adjusting gear connected with a rotating shaft of the support cylinder, the rotating angle adjusting gear is matched with an adjusting rack, and the adjusting rack is horizontally arranged and is arranged on the adjusting turntable in a sliding mode.

The adjusting mechanism is characterized in that an adjusting nut is arranged on the adjusting rack, an adjusting screw rod is arranged in the adjusting nut, the adjusting screw rod is arranged in parallel with the adjusting rack, and a rotating roller is arranged at one end, extending out of the adjusting turntable, of the adjusting screw rod.

The adjusting mechanism comprises an adjusting disc arranged below the adjusting turntable, the adjusting disc and the adjusting turntable are arranged concentrically, adjusting rods are arranged on the adjusting disc, the multiple groups of adjusting rods are vertical, and are arranged at intervals along the circumferential direction of the adjusting disc, the adjusting disc is connected with a lifting unit, and the lifting unit is used for adjusting the deflection angle of the adjusting turntable.

The lifting unit is connected with the adjusting rod and used for adjusting the height of the adjusting rod extending out of the upper disc surface of the adjusting disc.

The center of the adjusting turntable is connected with the adjusting disk through an outward joint, and the adjusting rod is vertically arranged on the adjusting disk.

The adjusting rod comprises an adjusting cylinder arranged on the adjusting disc, an ejector rod is vertically arranged in the adjusting cylinder, a ball is arranged at the rod end of the ejector rod, and the ball is abutted to the lower plate surface of the adjusting turntable.

The ejection rod is sleeved with an ejection spring, and the rod end of the ejection spring is abutted to the rod end of the ejection rod and the cylinder opening of the adjusting cylinder.

The adjusting device comprises an adjusting cylinder, an adjusting disc, a regulating ring, a first rack, a second rack, a first gear, a second gear, a third gear, a fourth gear, a fifth gear, a sixth gear, a fifth gear, a sixth.

First rack horizontal slip sets up on the accommodate slide bar, be provided with first adjusting nut on the first rack, first adjusting nut and the cooperation of first accommodate the lead screw, first accommodate the lead screw and accommodate the slide bar parallel arrangement, accommodate the slide bar rotary type setting on the adjustment disk and one end is provided with first regulation commentaries on classics roller.

The support frame is including setting up three group's support arms on the adjustment disk, support arm one end and adjustment disk articulated shaft and articulated shaft level are arranged, be provided with on the support arm and prescribe a limit to the regulating unit, prescribe a limit to the regulating unit and be used for adjusting the angle with ground between three group's support arms.

The middle section position of support arm is provided with first connecting rod, the one end of first connecting rod is articulated with the one end of second connecting rod, the other end of second connecting rod is articulated with adjusting block, the articulated shaft level at second connecting rod both ends is arranged.

The adjusting device is characterized in that a second adjusting nut is arranged on the adjusting slide block, a second adjusting screw rod is arranged in the second adjusting nut, and the second adjusting screw rod is vertical and the upper end of the second adjusting screw rod is rotatably arranged on the lower disk surface of the adjusting disk.

The upper end of second accommodate the lead screw is provided with first gear, first gear and the cooperation of second rack, second rack level and one end are provided with third adjusting nut, be provided with third accommodate the lead screw in the third adjusting nut, third accommodate the lead screw level and one end rotary type set up quotation under the adjustment disk, the one end of third accommodate the lead screw is provided with the second and adjusts the revolving roller.

One end of the supporting arm is provided with a supporting leg which is integrally in a strip plate shape and is hinged with the supporting arm.

Compared with the prior art, the beneficial effects of the utility model are embodied in: this measuring device is when in actual use, sets up the equipment joint on clamping mechanism, implements the fixed of degree equipment to through the contained angle of guiding mechanism adjusting device and horizontal plane, and then implement and carry out accurate regulation to the required angle of equipment, set up guiding mechanism on the support frame, thereby implement and fix whole device, adjust with implementing equipment and ground height, this measuring device can adjust support frame instrument installation face horizontal accuracy in order to improve surveying instrument leveling precision and reduce the leveling degree of difficulty.

Drawings

FIG. 1 is a front view of a surveying device for surveying and mapping work;

FIG. 2 is a top view of a surveying instrument for surveying and mapping work;

FIGS. 3 and 4 are schematic views of two kinds of visual structures of the surveying and mapping measuring device;

FIGS. 5 and 6 are schematic views of two viewing angle structures of the clamping mechanism and the adjusting mechanism;

FIGS. 7 and 8 are schematic views of the clamping mechanism from two different perspectives;

FIG. 9 is a partial structural view of the latch mechanism.

Detailed Description

With reference to fig. 1 to 9, the structural features of the surveying and mapping measuring device are described in detail as follows:

the measuring device for surveying and mapping engineering comprises a clamping mechanism 100 for clamping an instrument, wherein the clamping mechanism 100 is arranged on an adjusting mechanism 200, the adjusting mechanism 200 is used for adjusting the flatness of the clamping mechanism 100, the adjusting mechanism 200 is arranged on a support frame 300, and the height of the adjusting mechanism 200 on the support frame 300 is adjustable;

this measuring device is when in actual use, set up the equipment joint on clamping mechanism 100, implement the fixed of degree equipment, and through the contained angle of adjustment mechanism 200 adjusting device and horizontal plane, and then implement and carry out accurate regulation to the required angle of equipment, set up adjustment mechanism 200 on support frame 300, thereby implement and fix whole device, adjust equipment and ground height with implementing, this measuring device can adjust support frame instrument installation face horizontal accuracy in order to improve surveying instrument leveling precision and reduce the leveling degree of difficulty.

When the device is fixed, the clamping mechanism 100 includes a chuck 110, a plurality of groups of jaws 120 are arranged on the chuck 110, the plurality of groups of jaws 120 are arranged along the circumferential direction of the chuck 110, the plurality of groups of jaws 120 are respectively connected with a driving unit, and the driving unit drives the plurality of groups of jaws 120 to synchronously move or keep away from the chuck 110 along the radial direction;

when the device is fixed, the plurality of groups of jaws 120 are driven by the driving unit to synchronously move along the radial direction of the chuck 110, so that the jaws 120 clamp the device to fix the device.

Preferably, when the synchronous adjustment of the jaws 120 is performed, three sliding holes 111 are provided in the chuck 110, the sliding holes 111 are arranged along a radial direction of the chuck 110, and the jaws 120 are slidably disposed in the sliding holes 111.

When the jaws 120 are synchronously driven, one side surface of each jaw 120 is provided with a driving toothed segment 122, the driving toothed segments 122 of the jaws 120 are meshed with a driving toothed disk 130, the driving toothed disk 130 is concentrically arranged with the chuck 110, and the driving toothed disk 130 rotates and drives the jaws 120 to synchronously move along the length direction of the slide hole 111;

when the synchronous driving of the jaws 120 is performed, the driving toothed plate 130 is rotated to engage the driving toothed plate 130 with the driving toothed segments 122, so that the jaws 120 are moved along the longitudinal direction of the slide hole 111, thereby performing the synchronous adjustment of the jaws 120.

More specifically, when implementing the synchronous driving of the jaws 120, the chuck 110 is extended to be provided with a clamping bracket, the center of the driving fluted disc 130 is rotatably disposed on the clamping bracket, the center of the driving fluted disc 130 is provided with a clamping gear 131, the clamping gear 131 is matched with a clamping worm 132, and one end of the clamping worm 132 is provided with a clamping turntable 135.

Preferably, when the sliding guide of the jaws 120 is implemented, a clamping slide rod 133 is disposed in a radial direction of the driving toothed disc 130, the clamping slide rod 133 and the jaws 120 form a sliding fit, a clamping spring 134 is sleeved on the clamping slide rod 133, and two ends of the clamping spring 134 are respectively connected with the clamping slide rod 133 and the jaws 120 in an abutting manner.

When the clamping operation of the equipment is carried out, the inner side surface of the clamping jaw 120 is provided with a plurality of clamping protrusions 121, and the clamping protrusions 121 are arranged at intervals along the length direction of the clamping jaw 120.

In order to adjust the measurement angle of the device, the clamping worm 132 is rotatably disposed on the support cylinder 140, the support cylinder 140 and the driving fluted disc 130 are concentrically arranged, the support cylinder 140 is rotatably disposed on the adjusting turntable 150, the adjusting turntable 150 and the driving fluted disc 130 are concentrically arranged, and the adjusting turntable 150 is provided with a rotation angle adjusting mechanism for adjusting the rotation angle of the support cylinder 140;

the rotation angle of the support barrel 140 is adjusted through the rotation angle adjusting mechanism, and then the equipment measuring angle on the clamping jaw 120 is adjusted, so that the whole device is adjusted.

More specifically, the rotation angle adjusting mechanism includes a rotation angle adjusting gear 141 rotatably connected to the holder barrel 140, the rotation angle adjusting gear 141 is engaged with an adjusting rack 142, and the adjusting rack 142 is horizontally disposed and slidably disposed on the adjusting dial 150.

Specifically, an adjusting nut 1421 is arranged on the adjusting rack 142, an adjusting screw 1422 is arranged in the adjusting nut 1421, the adjusting screw 1422 is arranged in parallel with the adjusting rack 142, and a rotating roller 151 is arranged at one end of the adjusting screw 1422 extending out of the adjusting turntable 150;

when implementing the angle adjustment to a stake section of thick bamboo 140, through rotating live-rollers 151 to the realization carries out accurate adjustment to the angle of a stake section of thick bamboo 140.

More preferably, when the angle of the whole device is adjusted, the adjusting mechanism 200 includes an adjusting disk 210 disposed below the adjusting turntable 150, the adjusting disk 210 and the adjusting turntable 150 are concentrically arranged, an adjusting rod 220 is disposed on the adjusting disk 210, the adjusting rods 220 are vertically disposed in multiple sets at intervals along the circumferential direction of the adjusting disk 210, the adjusting disk 210 is connected with a lifting unit, and the lifting unit is used for adjusting the deflection angle of the adjusting turntable 150;

the deflection angle of the adjusting turntable 150 is adjusted by starting the lifting unit, so that the detection angle of the equipment is adjusted, and the device is high in adjusting efficiency.

More specifically, the lifting unit is connected to the adjusting rod 220, and the lifting unit is used for adjusting the height of the adjusting rod 220 extending out of the upper disc surface of the adjusting disc 210.

When the support of the entire adjustment dial 150 is performed, the center of the adjustment dial 150 is connected to the adjustment dial 210 through the outward joint 230, and the adjustment rod 220 is vertically disposed on the adjustment dial 210.

The adjusting rod 220 comprises an adjusting cylinder 221 arranged on the adjusting disk 210, a push rod 222 is vertically arranged in the adjusting cylinder 221, a ball 2221 is arranged at the rod end of the push rod 222, and the ball 2221 abuts against the lower plate surface of the adjusting turntable 150.

The jacking spring 223 is sleeved on the jacking rod 222, and the rod end of the jacking spring 223 is abutted with the rod end of the jacking rod 222 and the cylinder opening of the adjusting cylinder 221.

The adjusting cylinder 221 is arranged in a nut on an adjusting ring 224, the adjusting ring 224 is rotatably arranged on the adjusting disc 210, the adjusting ring 224 is a gear, the adjusting ring 224 is matched with a first rack 225, and the first rack 225 is horizontally arranged;

the first rack 225 is horizontally and slidably disposed on the adjusting slide bar 226, a first adjusting nut 2251 is disposed on the first rack 225, the first adjusting nut 2251 is engaged with a first adjusting screw 2252, the first adjusting screw 2252 is disposed in parallel with the adjusting slide bar 226, the adjusting slide bar 226 is rotatably disposed on the adjusting plate 210, and a first adjusting roller 2253 is disposed at one end of the adjusting slide bar 226;

by rotating the first adjusting roller 2253, the adjusting ring 224 rotates, so that the adjusting cylinder 221 is vertically lifted on the adjusting plate 210, and the adjusting dial 150 is adjusted in the deflection angle.

In order to support the whole device, the support frame 300 comprises three groups of support arms 310 arranged on the adjusting disc 210, wherein one ends of the support arms 310 are hinged with the adjusting disc 210 and the hinged shafts are horizontally arranged, and a limiting and adjusting unit is arranged on the support arms 310 and is used for adjusting the angles between the three groups of support arms 310 and the ground;

the included angle between the three groups of supporting arms 310 and the ground is adjusted through the limiting adjusting unit, so that the height of the whole device and the ground can be integrally adjusted, and the reliable use of the equipment is improved.

The middle section position of the support arm 310 is provided with a first connecting rod 311, one end of the first connecting rod 311 is hinged with one end of a second connecting rod 312, the other end of the second connecting rod 312 is hinged with an adjusting slide block 313, and hinged shafts at two ends of the second connecting rod 312 are horizontally arranged.

During actual adjustment, a second adjusting nut 3131 is arranged on the adjusting slider 313, a second adjusting screw 3132 is arranged in the second adjusting nut 3131, and the second adjusting screw 3132 is vertically arranged on the lower disc surface of the adjusting disc 210 in a manner of rotating the upper end thereof.

The upper end of the second adjusting screw 3132 is provided with a first gear 3133, the first gear 3133 is matched with a second rack 3134, the second rack 3134 is horizontal and one end is provided with a third adjusting nut 3135, a third adjusting screw 3136 is provided in the third adjusting nut 3135, the third adjusting screw 3136 is horizontal and one end is rotatably arranged on the lower plate surface of the adjusting plate 210, and one end of the third adjusting screw 3136 is provided with a second adjusting rotary roller 3137.

In order to reliably support the equipment, one end of the supporting arm 310 is provided with a supporting foot 320, and the supporting foot 320 is integrally in a strip plate shape and hinged with the supporting arm 310.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

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

Claims

1. Measuring device for mapping engineering, its characterized in that: including clamping mechanism (100) that is used for the joint instrument, clamping mechanism (100) set up on adjustment mechanism (200), adjustment mechanism (200) are used for adjusting clamping mechanism's (100) plane degree, adjustment mechanism (200) set up on support frame (300), adjustment mechanism (200) are located the height-adjustable of support frame (300).

2. The surveying device for surveying and mapping engineering according to claim 1, characterized in that: the clamping mechanism (100) comprises a chuck (110), a plurality of groups of clamping jaws (120) are arranged on the chuck (110), the plurality of groups of clamping jaws (120) are arranged along the circumferential direction of the chuck (110), the plurality of groups of clamping jaws (120) are respectively connected with a driving unit, and the driving unit drives the plurality of groups of clamping jaws (120) to synchronously move or keep away from the chuck (110) along the radial direction;

the chuck (110) is provided with three sliding holes (111), the sliding holes (111) are arranged along the radial direction of the chuck (110), and the clamping jaws (120) are slidably arranged in the sliding holes (111).

3. The surveying device for surveying and mapping engineering according to claim 2, characterized in that: a driving toothed segment (122) is arranged on one side face of the clamping jaw (120), the driving toothed segment (122) of the clamping jaw (120) is meshed with a driving toothed disc (130), the driving toothed disc (130) and the chuck (110) are concentrically arranged, and the driving toothed disc (130) rotates and is used for driving the clamping jaw (120) to synchronously move along the length direction of the sliding hole (111);

the chuck (110) is provided with a clamping support in an extending manner, the center of the driving fluted disc (130) is rotatably arranged on the clamping support, the center of the driving fluted disc (130) is provided with a clamping gear (131), the clamping gear (131) is matched with a clamping worm (132), and one end of the clamping worm (132) is provided with a clamping turntable (135);

a clamping slide rod (133) is arranged in the radial direction of the driving fluted disc (130), the clamping slide rod (133) and the clamping jaw (120) form sliding fit, a clamping spring (134) is sleeved on the clamping slide rod (133), and two ends of the clamping spring (134) are respectively connected with the clamping slide rod (133) and the clamping jaw (120) in an abutting mode;

clamping protrusions (121) are arranged on the inner side faces of the clamping jaws (120), and a plurality of clamping protrusions (121) are arranged at intervals along the length direction of the clamping jaws (120).

4. The surveying device for surveying and mapping engineering according to claim 3, characterized in that: the clamping worm (132) is rotatably arranged on the support cylinder (140), the support cylinder (140) and the driving fluted disc (130) are concentrically arranged, the support cylinder (140) is rotatably arranged on the adjusting turntable (150), the adjusting turntable (150) and the driving fluted disc (130) are concentrically arranged, and the adjusting turntable (150) is provided with a rotation angle adjusting mechanism for adjusting the rotation angle of the support cylinder (140);

the rotating angle adjusting mechanism comprises a rotating angle adjusting gear (141) connected with a rotating shaft of the support cylinder (140), the rotating angle adjusting gear (141) is matched with an adjusting rack (142), and the adjusting rack (142) is horizontally arranged and is arranged on the adjusting turntable (150) in a sliding mode;

an adjusting nut (1421) is arranged on the adjusting rack (142), an adjusting screw rod (1422) is arranged in the adjusting nut (1421), the adjusting screw rod (1422) and the adjusting rack (142) are arranged in parallel, and a rotating roller (151) is arranged at one end, extending out of the adjusting turntable (150), of the adjusting screw rod (1422).

5. The surveying device for surveying and mapping engineering according to claim 4, characterized in that: adjustment mechanism (200) are including setting up adjustment disk (210) in regulation carousel (150) below, adjustment disk (210) and regulation carousel (150) are arranged with one heart, be provided with adjusting lever (220) on adjustment disk (210), the vertical and circumferential direction interval along adjustment disk (210) of multiunit adjusting lever (220) sets up a plurality ofly, adjustment disk (210) are connected with the lifting unit, and the lifting unit is used for adjusting the deflection angle of adjusting carousel (150).

6. The surveying device for surveying and mapping engineering according to claim 5, characterized in that: the center of the adjusting turntable (150) is connected with the adjusting disk (210) through an outward joint (230), and the adjusting rod (220) is vertically arranged on the adjusting disk (210).

7. The surveying device for surveying and mapping engineering according to claim 6, characterized in that: the lifting unit is connected with the adjusting rod (220), and is used for adjusting the height of the adjusting rod (220) extending out of the upper disc surface of the adjusting disc (210);

the adjusting rod (220) comprises an adjusting cylinder (221) arranged on the adjusting disc (210), a push rod (222) is vertically arranged in the adjusting cylinder (221), a ball (2221) is arranged at the rod end of the push rod (222), and the ball (2221) is abutted to the lower plate surface of the adjusting turntable (150);

a jacking spring (223) is sleeved on the ejector rod (222), and the rod end of the jacking spring (223) is abutted against the rod end of the ejector rod (222) and the barrel opening of the adjusting barrel (221);

the adjusting cylinder (221) is arranged in a nut on an adjusting ring (224), the adjusting ring (224) is rotatably arranged on the adjusting disc (210), the adjusting ring (224) is a gear, the adjusting ring (224) is matched with a first rack (225), and the first rack (225) is horizontally arranged.

8. The surveying device for surveying and mapping engineering according to claim 7, characterized in that: the first rack (225) is horizontally arranged on the adjusting slide rod (226) in a sliding mode, a first adjusting nut (2251) is arranged on the first rack (225), the first adjusting nut (2251) is matched with a first adjusting screw rod (2252), the first adjusting screw rod (2252) is arranged in parallel with the adjusting slide rod (226), the adjusting slide rod (226) is rotatably arranged on the adjusting disc (210), and a first adjusting rotary roller (2253) is arranged at one end of the adjusting slide rod.

9. The surveying device for surveying and mapping engineering according to claim 7, characterized in that: the supporting frame (300) comprises three groups of supporting arms (310) arranged on the adjusting disc (210), one ends of the supporting arms (310) are hinged with the adjusting disc (210) and the hinged shafts are horizontally arranged, and limiting adjusting units are arranged on the supporting arms (310) and used for adjusting angles between the three groups of supporting arms (310) and the ground;

a first connecting rod (311) is arranged at the middle section of the supporting arm (310), one end of the first connecting rod (311) is hinged with one end of a second connecting rod (312), the other end of the second connecting rod (312) is hinged with an adjusting slide block (313), and hinged shafts at two ends of the second connecting rod (312) are horizontally arranged;

a second adjusting nut (3131) is arranged on the adjusting slide block (313), a second adjusting screw rod (3132) is arranged in the second adjusting nut (3131), and the second adjusting screw rod (3132) is vertically and rotatably arranged on the lower disc surface of the adjusting disc (210) at the upper end;

the upper end of second accommodate screw rod (3132) is provided with first gear (3133), first gear (3133) and second rack (3134) cooperation, second rack (3134) level and one end are provided with third adjusting nut (3135), be provided with third accommodate screw rod (3136) in third adjusting nut (3135), third accommodate screw rod (3136) level and one end rotary type set up at adjustment disc (210) lower disc face, the one end of third accommodate screw rod (3136) is provided with second regulation and changes roller (3137).

10. The surveying device for surveying and mapping engineering according to claim 9, characterized in that: one end of the supporting arm (310) is provided with a supporting foot (320), and the supporting foot (320) is integrally in a strip plate shape and is hinged with the supporting arm (310).