CN214537941U

CN214537941U - High accuracy facade mapping equipment

Info

Publication number: CN214537941U
Application number: CN202120769880.4U
Authority: CN
Inventors: 钟文俊; 李永强; 吴少平; 吴俊杰
Original assignee: Shenzhen Zhongzheng Surveying And Mapping Tech Co ltd
Current assignee: Shenzhen Zhongzheng Surveying And Mapping Tech Co ltd
Priority date: 2021-04-14
Filing date: 2021-04-14
Publication date: 2021-10-29
Anticipated expiration: 2031-04-14

Abstract

The utility model relates to a high accuracy facade mapping equipment, relate to the technical field of facade survey and drawing, it includes total powerstation body and supporting leg, the supporting leg includes can dismantle the mounting panel of being connected and at least three stabilizer blade that articulates in the mounting panel with the total powerstation body, the stabilizer blade includes the hinge bar, the fixed extension sleeve that keeps away from hinge bar one end in the roll adjustment screw rod of setting in the hinge bar and cover, it is connected to slide between extension sleeve and the roll adjustment screw rod, be provided with the roll adjustment mechanism that is used for adjusting the roll adjustment screw rod and stretches out extension sleeve length on the extension sleeve, the roll adjustment mechanism sets up in the roll adjustment swivel nut of extension sleeve including rotating, roll adjustment swivel nut and roll adjustment screw rod threaded connection. Rotate the roll adjustment swivel nut and stretch out or retract extension sleeve with control roll adjustment screw to the realization stretches out the regulation that extends sleeve length to the roll adjustment screw, compares in the direct mode of drawing of traditional stabilizer blade and adjusts length, and the stabilizer blade length adjustment degree of accuracy is low can effectively be solved in this application.

Description

High accuracy facade mapping equipment

Technical Field

The application relates to the technical field of elevation mapping, in particular to high-precision elevation mapping equipment.

Background

The surveying and mapping wording is understood as measuring and mapping, which is based on computer technology, photoelectric technology, network communication technology, space science and information science, takes a Global Navigation Satellite System (GNSS), Remote Sensing (RS) and a Geographic Information System (GIS) as technical cores, selects existing characteristic points and boundary lines on the ground and obtains figure and position information reflecting the current situation of the ground by a measuring means, and is used for engineering construction, planning and design and administrative management.

Surveying and mapping of related art is often performed using a total station. The total station, i.e. the total station type electronic distance measuring instrument, is a high-tech measuring instrument integrating light, machine and electricity into one body, and is a surveying and mapping instrument system integrating the horizontal angle, vertical angle, distance and height difference measuring functions into one body. The traditional total station mainly comprises a total station body and a supporting foot frame for supporting the total station body, wherein each supporting foot of the supporting foot frame can stretch out and draw back to enable the installation position of the total station body to be kept horizontal.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the length of each leg of the support foot stand is often controlled by pulling, resulting in a low accuracy of adjustment of the legs.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the regulation accuracy degree of stabilizer blade length is low, the purpose of this application is to provide a high accuracy facade mapping equipment.

The application provides a high accuracy facade mapping equipment adopts following technical scheme:

the utility model provides a high accuracy facade mapping equipment, includes total powerstation body and supporting leg, the supporting leg include with the total powerstation body can dismantle the mounting panel of connection and at least three articulate in the stabilizer blade of mounting panel, the stabilizer blade include the hinge bar, rotate set up in the roll adjustment screw rod and the cover of hinge bar are located the roll adjustment screw rod is kept away from the extension sleeve of hinge bar one end, extend the sleeve with slide between the roll adjustment screw rod and be connected, be provided with on the extension sleeve and be used for adjusting the roll adjustment screw rod stretches out the roll adjustment mechanism of extension sleeve length, the roll adjustment mechanism including rotate set up in extend telescopic roll adjustment swivel nut, the roll adjustment swivel nut with roll adjustment screw rod threaded connection.

Through adopting above-mentioned technical scheme, rotate the roll adjustment swivel nut and stretch out or retract in order to control the roll adjustment screw rod and extend the sleeve to the realization stretches out the regulation that extends sleeve length to the roll adjustment screw rod, compare in the direct mode of drawing of leaning on of traditional stabilizer blade and adjust length, stabilizer blade length adjustment degree of accuracy is low can effectively be solved in this application, and the regulation mode is simple and convenient, from this, makes this application have the length adjustment degree of accuracy height and easy and simple to handle's advantage.

Optionally, the roll adjustment mechanism still includes the restriction the one-way rotation adjusting part of roll adjustment swivel nut unidirectional rotation, one-way rotation adjusting part is including being used for ordering about the synchronous pivoted ratchet of roll adjustment swivel nut, with ratchet complex pawl and order about the pawl rotates the elasticity that resets, the ratchet with can dismantle the connection between the roll adjustment swivel nut, the ratchet with the pawl all rotate set up in extend the sleeve.

By adopting the technical scheme, when the distance adjusting threaded sleeve is connected with the ratchet wheel, the pawl is matched with the ratchet wheel to limit the ratchet wheel to rotate only in one direction, so that the distance adjusting threaded sleeve which rotates synchronously with the ratchet wheel can rotate only in one direction, and when the distance adjusting threaded sleeve drives the distance adjusting screw to extend out of the extension sleeve, the distance adjusting threaded sleeve can be stable and does not rotate reversely, and the extending length of the distance adjusting screw is kept stable; when the distance adjusting screw rod needs to retract into the extension sleeve, the ratchet wheel can be separated from the distance adjusting threaded sleeve and can rotate freely.

Optionally, the distance-adjusting thread insert is located on one side of the ratchet close to the hinge rod, at least one synchronous clamping block is fixedly arranged on the ratchet, and at least one synchronous clamping groove for clamping the synchronous clamping block is correspondingly formed in the distance-adjusting thread insert.

Through adopting above-mentioned technical scheme, synchronous fixture block and synchronous draw-in groove joint are in order to restrict the relative rotation between roll adjustment swivel nut and the ratchet, and the connected mode of joint makes the dismouting between ratchet and the roll adjustment swivel nut simple and convenient.

Optionally, a free rotating sleeve is rotatably arranged on the outer wall surface of the distance adjusting threaded sleeve, and the axis of the free rotating sleeve coincides with the rotation axis of the distance adjusting threaded sleeve.

Through adopting above-mentioned technical scheme, when breaking away from between roll adjustment swivel nut and the ratchet, grip the free swivel nut so that the roll adjustment swivel nut can the free rotation, the weight of total powerstation body passes through the articulated mast in order to exert on the roll adjustment screw rod this moment, and the roll adjustment swivel nut with roll adjustment screw rod threaded connection can the antiport to make the roll adjustment screw rod can retract in extending the sleeve conveniently.

Optionally, the free rotating sleeve is a bearing, and an inner ring of the free rotating sleeve is clamped with the distance adjusting threaded sleeve.

Through adopting above-mentioned technical scheme, the bearing is connected so that the free rotation is realized to the roll adjustment swivel nut with the free swivel nut.

Optionally, the outer wall surface of one end of the hinge rod, far away from the distance adjusting threaded sleeve, is circumferentially provided with an embedded sinking groove for the free rotating sleeve to be embedded in along the circumferential direction of the outer wall surface, and the free rotating sleeve is rotatably connected with the inner wall of the embedded sinking groove.

Through adopting above-mentioned technical scheme, when the roll adjustment screw rod withdrawed and extended the sleeve, the gravity that the total powerstation body was applyed for the roll adjustment screw rod transmitted on the free swivel sleeve through the roll adjustment swivel nut, and what the embedding heavy groove of roll adjustment swivel nut was applyed to the free swivel sleeve this moment to reduce the condition emergence that breaks away from between roll adjustment swivel nut and the free swivel sleeve.

Optionally, the distance adjusting screw rod is kept away from the fixed anticreep piece that is provided with of one end of articulated mast, the anticreep piece be located extend in the sleeve and with extend sleeve sliding connection, it is close to extend the sleeve one side of articulated mast is fixed to be provided with and blocks the anticreep piece slides and breaks away from extend sleeve's fender slider.

Through adopting above-mentioned technical scheme, keep off the slider restriction and prevent that the slip of piece breaks away from the extension sleeve to realize the purpose that breaks away from between restriction roll adjustment screw rod and the extension sleeve, thereby improve convenience and the stability that this application used.

Optionally, keep off the slider including with extend sleeve outer wall threaded connection's spiro union portion with be used for with the sliding part that keeps off that anticreep piece contradicts, the sliding part that keeps off is fixed set up in spiro union portion is close to one side of articulated rod.

Through adopting above-mentioned technical scheme, keep off smooth portion and install in extending the sleeve through threaded connection's mode to realize dismantling the connection between messenger keeps off the slider and extends the sleeve, thereby be convenient for extend the maintenance between sleeve and the roll adjustment screw rod.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the adjusting screw sleeve is rotated to control the adjusting screw to extend out of or retract into the extending sleeve, so that the length of the extending sleeve extending out of the adjusting screw is adjusted, and compared with the traditional method that the length of the supporting leg is adjusted in a manner that the supporting leg is directly pulled, the method can effectively solve the problems that the accuracy of adjusting the length of the supporting leg is low, and the adjusting mode is simple and convenient, so that the method has the advantages of high accuracy of adjusting the length and simplicity and convenience in operation;

2. when the distance adjusting thread insert is connected with the ratchet wheel, the pawl is matched with the ratchet wheel to limit the ratchet wheel to rotate only in one direction, so that the distance adjusting thread insert which keeps synchronous rotation with the ratchet wheel can rotate only in one direction, when the distance adjusting thread insert drives the distance adjusting screw to extend out of the extension sleeve, the distance adjusting thread insert can be stable and not rotate reversely, the extending length of the distance adjusting screw is kept stable, and when the distance adjusting screw needs to retract into the extension sleeve, the ratchet wheel is separated from the distance adjusting thread insert and can rotate freely.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic sectional view of a support foot according to an embodiment of the present invention;

fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

In the figure, 1, a total station body; 2. a supporting foot rest; 21. mounting a plate; 22. a support leg; 221. a hinged lever; 222. adjusting the pitch of the screw rod; 2221. a drop-off prevention member; 223. an extension sleeve; 224. a distance adjusting mechanism; 2241. adjusting the distance thread insert; 22411. embedding into a sink groove; 2242. a ratchet wheel; 22421. a synchronous fixture block; 2243. a pawl; 2244. a restoring elastic member; 2245. freely rotating the sleeve; 225. a catch piece; 2251. a screw connection part; 2252. a slide stop portion.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses high accuracy facade mapping equipment.

Referring to fig. 1 and 2, a high-precision facade mapping apparatus includes a total station body 1 and a supporting foot stand 2, the supporting foot stand 2 includes a mounting plate 21 detachably connected with the total station body 1 and at least three supporting feet 22 hinged to the mounting plate 21, and the supporting feet 22 are circumferentially arranged at equal intervals along the circumferential direction of the mounting plate 21.

The supporting leg 22 includes a hinge rod 221, a pitch adjusting screw 222 rotatably disposed on the hinge rod 221, and an extending sleeve 223 sleeved on one end of the pitch adjusting screw 222 far from the hinge rod 221, wherein the axis of the hinge rod 221, the axis of the pitch adjusting screw 222, and the axis of the extending sleeve 223 are all overlapped, and the extending sleeve 223 is slidably connected with the pitch adjusting screw 222.

The anti-separation part 2221 is fixedly disposed at an end of the distance adjusting screw 222 away from the hinge rod 221, the anti-separation part 2221 is substantially in the shape of a round rod, and the distance between the anti-separation parts 2221 is greater than the diameter of the distance adjusting screw 222 and smaller than the inner diameter of the extension sleeve 223. The anti-slip part 2221 is located inside the extension sleeve 223 and is slidably connected with the extension sleeve 223. A side of the extension sleeve 223 close to the hinge rod 221 is fixedly provided with a stopper piece 225 for stopping the sliding of the stopper piece 2221 from the extension sleeve 223. In this embodiment, the stopper 225 includes a screw part 2251 screwed to the outer wall of the extension sleeve 223 and a slide part 2252 for interfering with the end surface of the anti-slip part 2221 near the end of the hinge rod 221. The screw part 2251 is cylindrically formed, the axis of the screw part 2251 coincides with the axis of the extension sleeve 223, the slip part 2252 is annularly formed, the inner diameter of the slip part 2252 is smaller than the diameter of the anti-slip part 2221, and the slip part 2252 is fixedly formed on the side of the screw part 2251 close to the hinge rod 221 by integral molding.

Referring to fig. 2 and 3, the extension sleeve 223 is provided with a distance adjusting mechanism 224 for adjusting the length of the distance adjusting screw 222 extending out of the extension sleeve 223. The pitch adjusting mechanism 224 includes a pitch adjusting screw 2241 rotatably disposed at an end of the extension sleeve 223 near the hinge rod 221 and a unidirectional rotation adjusting assembly for limiting unidirectional rotation of the pitch adjusting screw 2241. The distance adjusting screw sleeve 2241 is in threaded connection with the distance adjusting screw 222. The unidirectional rotation adjusting assembly comprises a ratchet 2242 for driving the distance adjusting threaded sleeve 2241 to rotate synchronously, a pawl 2243 matched with the ratchet 2242 and a reset elastic piece 2244 for driving the pawl 2243 to rotate and reset. The axis of ratchet 2242 coincides with the axis of pitch nut 2241, pitch nut 2241 is connected with the rotation of extension sleeve 223 through ratchet 2242, can dismantle between ratchet 2242 and the pitch nut 2241 and be connected, ratchet 2242 and pawl 2243 all rotate and set up in the terminal surface that is close to articulated arm 221 one end of extension sleeve 223, the rotation axis of ratchet 2242 is parallel with and does not coincide with the rotation axis of pawl 2243, it is the spring to reset elastic component 2244, the one end of reset elastic component 2244 is connected with ratchet 2242 fixed connection and the other end is connected with extension sleeve 223 fixed connection, when ratchet 2242 is connected with pitch nut 2241, ratchet 2242 restricts the rotation mode of pitch nut 2241 so that pitch screw 222 can only move towards the direction of stretching out extension sleeve 223.

In order to realize synchronous rotation between the ratchet 2242 and the distance adjusting screw 2241, the distance adjusting screw 2241 is positioned on one side of the ratchet 2242 close to the hinge rod 221, and at least one synchronous fixture block 22421 is fixedly arranged on the wheel surface of the ratchet 2242 close to one side of the hinge rod 221. When the number of the synchronous fixture blocks 22421 is greater than or equal to two, all the synchronous fixture blocks 22421 are circumferentially arranged at intervals by taking the axis of the ratchet 2242 as the center, the end surface of the distance adjusting screw sleeve 2241 close to one end of the ratchet 2242 is correspondingly provided with at least one synchronous clamping groove for clamping the synchronous fixture block 22421, and the number of the synchronous clamping grooves is greater than or equal to that of the synchronous fixture blocks 22421, so that all the synchronous fixture blocks 22421 can be clamped in the synchronous clamping grooves. In this embodiment, the number of the synchronization card slots is the same as that of the synchronization card blocks 22421, and the synchronization card slots correspond to the synchronization card blocks 22421 one by one. Synchronous fixture block 22421 and synchronous draw-in groove joint are in order to restrict the relative rotation between roll adjustment swivel nut 2241 and ratchet 2242, and the connected mode of joint makes the dismouting between ratchet 2242 and the roll adjustment swivel nut 2241 simple and convenient.

In order to facilitate the free rotation of the distance adjusting screw sleeve 2241 after the ratchet 2242 and the distance adjusting screw sleeve 2241 are separated, an embedded sunken groove 22411 is formed in the outer wall surface of one end, away from the hinge rod 221, of the distance adjusting screw sleeve 2241 in the circumferential direction in a surrounding mode, and a free rotating sleeve 2245 is embedded in the embedded sunken groove 22411. The free rotary sleeve 2245 is a bearing, and the axis of the free rotary sleeve 2245 is overlapped with the rotation axis of the distance adjusting screw sleeve 2241. The inner ring of the free rotary sleeve 2245 is clamped with the pitch adjusting screw sleeve 2241, so that the outer ring of the free rotary sleeve 2245 and the pitch adjusting screw sleeve 2241 can rotate freely. The depth of the recessed groove 22411 is close to the thickness of the free-wheeling sleeve 2245 so that the outer circular surface of the free-wheeling sleeve 2245 is substantially flush with the outer wall surface of the pitch nut 2241. When the distance adjusting screw 2241 is disengaged from the ratchet 2242, the free rotation sleeve 2245 is held to allow the distance adjusting screw 2241 to rotate freely, the weight of the total station body 1 is applied to the distance adjusting screw 222 through the hinge rod 221, and the distance adjusting screw 2241, which is screwed with the distance adjusting screw 222, can rotate reversely, so that the distance adjusting screw 222 can be retracted into the extension sleeve 223 conveniently.

The implementation principle of the high-precision facade mapping equipment in the embodiment of the application is as follows:

(1) when the distance adjusting screw 222 needs to extend out of the extension sleeve 223, the synchronous fixture block 22421 is clamped with the synchronous clamping groove to enable the distance adjusting screw sleeve 2241 and the ratchet 2242 to synchronously rotate, the pawl 2243 is matched with the ratchet 2242 to limit the ratchet 2242 to only rotate in a single direction, so that the distance adjusting screw sleeve 2241 which synchronously rotates with the ratchet 2242 can only rotate in a single direction, and when the distance adjusting screw sleeve 2241 drives the distance adjusting screw 222 to extend out of the extension sleeve 223, the distance adjusting screw sleeve 2241 can be stable and not rotate reversely, so that the support legs 22 can be stable when adjusting the horizontal position of the total station body 1;

(2) when the distance adjusting screw 222 retracts into the extension sleeve 223, the synchronous clamping block 22421 is separated from the synchronous clamping groove so that the distance adjusting screw sleeve 2241 can rotate freely, the free rotating sleeve 2245 is held at the moment, the gravity applied to the distance adjusting screw 222 by the total station body 1 is transmitted to the free rotating sleeve 2245 through the distance adjusting screw sleeve 2241, and the embedded sunken groove 22411 of the distance adjusting screw sleeve 2241 applies pressure to the free rotating sleeve 2245 at the moment, so that the separation between the distance adjusting screw sleeve 2241 and the free rotating sleeve 2245 is reduced.

The embodiments of the present invention are preferred embodiments of the present application, and the protection scope of the present application is not limited thereby, wherein like parts are denoted by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component. Therefore, the method comprises the following steps: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A high-precision facade mapping apparatus comprises a total station body (1) and a supporting foot stand (2), wherein the supporting foot stand (2) comprises a mounting plate (21) detachably connected with the total station body (1) and at least three supporting feet (22) hinged to the mounting plate (21), the high-precision facade mapping apparatus is characterized in that each supporting foot stand (22) comprises a hinged rod (221), a distance adjusting screw (222) rotatably arranged on the hinged rod (221) and an extension sleeve (223) sleeved on one end, far away from the hinged rod (221), of the distance adjusting screw (222), the extension sleeve (223) is connected with the distance adjusting screw (222) in a sliding manner, a distance adjusting mechanism (224) used for adjusting the length of the distance adjusting screw (222) extending out of the extension sleeve (223) is arranged on the extension sleeve (223), the distance adjusting mechanism (224) comprises a distance adjusting screw sleeve (2241) rotatably arranged on the extension sleeve (223), the distance adjusting threaded sleeve (2241) is in threaded connection with the distance adjusting screw rod (222).

2. A high accuracy facade mapping apparatus according to claim 1, characterized in that, the roll adjustment mechanism (224) is still including restriction the one-way rotation adjusting subassembly of one-way rotation of roll adjustment swivel nut (2241), the one-way rotation adjusting subassembly includes the ratchet (2242) that is used for ordering the synchronous rotation of roll adjustment swivel nut (2241), with ratchet (2242) complex pawl (2243) and order the pawl (2243) rotates the elasticity that resets (2244) that resets, ratchet (2242) with can dismantle the connection between the roll adjustment swivel nut (2241), ratchet (2242) with pawl (2243) all rotate set up in extend sleeve (223).

3. The high-precision facade mapping device according to claim 2, wherein the distance adjusting screw sleeve (2241) is located on one side of the ratchet wheel (2242) close to the hinge rod (221), at least one synchronous clamping block (22421) is fixedly arranged on the ratchet wheel (2242), and at least one synchronous clamping groove for clamping the synchronous clamping block (22421) is correspondingly formed in the distance adjusting screw sleeve (2241).

4. A high precision facade mapping apparatus according to claim 2, characterised in that a free rotary sleeve (2245) is rotatably arranged on the outer wall surface of the pitch screw sleeve (2241), the axis of the free rotary sleeve (2245) is coincident with the rotation axis of the pitch screw sleeve (2241).

5. A high-precision facade mapping apparatus according to claim 4, wherein the free rotary sleeve (2245) is a bearing, and the inner ring of the free rotary sleeve (2245) is clamped with the distance adjusting screw sleeve (2241).

6. A high-precision facade mapping apparatus according to claim 5, wherein the outer wall surface of the distance adjusting screw sleeve (2241) far away from one end of the hinge rod (221) is surrounded by an embedding sinking groove (22411) for embedding the free-rotation sleeve (2245) along the circumferential direction, and the free-rotation sleeve (2245) is rotatably connected with the inner wall of the embedding sinking groove (22411).

7. A high-precision facade mapping apparatus according to any one of claims 1 to 6, wherein a release-preventing piece (2221) is fixedly arranged at one end of the distance-adjusting screw (222) far away from the hinge rod (221), the release-preventing piece (2221) is positioned in the extension sleeve (223) and is connected with the extension sleeve (223) in a sliding manner, and a sliding-stopping piece (225) for stopping the release-preventing piece (2221) from sliding away from the extension sleeve (223) is fixedly arranged at one side of the extension sleeve (223) close to the hinge rod (221).

8. A high precision facade mapping apparatus according to claim 7, wherein the catch piece (225) comprises a screw part (2251) in threaded connection with the outer wall of the extension sleeve (223) and a catch slide part (2252) for interfering with the anti-slip part (2221), the catch slide part (2252) being fixedly arranged on the side of the screw part (2251) near the hinge rod (221).