CN218000875U

CN218000875U - Road surface surveying instrument based on three-dimensional laser scanning imaging technology

Info

Publication number: CN218000875U
Application number: CN202220772093.XU
Authority: CN
Inventors: 王奕; 张俊明; 陈利; 周怡; 秦红钰
Original assignee: Puxin International Engineering Consulting Co ltd
Current assignee: Puxin International Engineering Consulting Co ltd
Priority date: 2022-04-06
Filing date: 2022-04-06
Publication date: 2022-12-09
Anticipated expiration: 2032-04-06

Abstract

The utility model relates to a road surface surveying instrument based on three-dimensional laser scanning imaging technique, the device comprises a device body, device body bottom is provided with the rack, the rack bottom is provided with the chassis, rack one side with chassis one side is articulated mutually, the standing groove has been seted up at the chassis top, be provided with drive assembly in the standing groove, drive assembly drives the rack rotates, the through-hole has been seted up at the rack top, the chassis top corresponds the counter weight groove has been seted up to the position of through-hole, the through-hole with the counter weight inslot is provided with adjusting part jointly. The utility model relates to a technical field of road surface mapping equipment. The utility model discloses a drive assembly drives the rack and rotates, and when adjusting part control rack was in the horizontality, drive assembly stopped working promptly, made the surveying instrument be in the horizontality, had practiced thrift the time that operating personnel adjusted surveying instrument to horizontality greatly.

Description

Road surface surveying instrument based on three-dimensional laser scanning imaging technology

Technical Field

The utility model belongs to the technical field of the technique of road surface mapping equipment and specifically relates to a road surface surveying instrument based on three-dimensional laser scanning imaging technique is related to.

Background

A road surface surveying instrument is an instrument and a device for data acquisition, processing, output and the like designed and manufactured for surveying and mapping operation, and is matched with a three-dimensional laser scanning technology, a non-contact high-speed laser measurement mode is adopted, a target body is directly scanned, three-dimensional coordinate information of surface points of the target body is acquired, and the traditional surveying and mapping precision and efficiency can be improved.

Most road surface surveying instrument during operation need keep the horizontality at present, but when surveying and drawing some inclined pavement, though have some methods can adjust the angle of surveying instrument, but difficult quick with surveying instrument modulation horizontality, often still need be the standard with the help of the spirit level, slowly finely tune the angle of surveying instrument, need spend a large amount of time of operating personnel.

SUMMERY OF THE UTILITY MODEL

According to the not enough of prior art existence, the utility model aims at providing a road surface surveying appearance based on three-dimensional laser scanning imaging technology has the speed that improves and adjust surveying appearance to horizontality to practice thrift operating personnel operating time's effect.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a pavement surveying instrument based on a three-dimensional laser scanning imaging technology comprises an instrument body, wherein a placing rack is arranged at the bottom of the instrument body, a bottom frame is arranged at the bottom of the placing rack, one side of the placing rack is hinged with one side of the bottom frame, a placing groove is formed in the top of the bottom frame, a driving assembly is arranged in the placing groove, and the driving assembly drives the placing rack to rotate;

the top of the placing frame is provided with a through hole, the top of the underframe is provided with a counterweight groove corresponding to the position of the through hole, and the through hole and the counterweight groove are jointly provided with an adjusting assembly.

Through adopting above-mentioned technical scheme, drive the rack through drive assembly and rotate, when adjusting the subassembly control rack was in the horizontality, drive assembly stopped working promptly, made the surveying instrument be in the horizontality, practiced thrift operating personnel greatly and adjusted the time of surveying instrument to horizontality.

The present invention may be further configured in a preferred embodiment as: the driving assembly comprises a motor, the motor is arranged in the containing groove, the output end of the motor is fixedly connected with a lead screw through a coupler, the lead screw is far away from one end of the motor and is rotatably connected with the inner wall of the containing groove through a bearing, the outer peripheral face of the lead screw is in threaded connection with a screw block, one side of the screw block is hinged with a driving rod, the bottom of the containing rack is provided with an elongated slot, and one end of the screw block, far away from the driving rod, is hinged in the elongated slot.

Through adopting above-mentioned technical scheme, through the cooperation of lead screw, spiral shell piece and actuating lever, make the rack rotate, adapt to the use on inclined pavement, improved the practicality of this structure, also improved the speed of surveying instrument angle modulation.

The present invention in a preferred embodiment can be further configured to: the adjusting part comprises a balancing weight, the balancing weight is placed in the balancing weight groove, a lifting rope is fixedly connected to the top end of the balancing weight, a connecting rod is fixedly connected to the inside of the through hole, the connecting rod is sleeved with a connecting block in a circumferential side rotating mode, the lifting rope is kept away from one end of the balancing weight and connected to the bottom end of the connecting block, an arc-shaped block is arranged at the top of the placing frame and corresponds to the position of the through hole, the arc-shaped block is located on the inner side of the supporting frame, a top plate is arranged on the top end of the supporting frame and parallel to the top surface of the supporting frame, the bottom of the top plate corresponds to the position of the arc-shaped block and is provided with a sensor, the sensor is electrically connected with the motor, and the connecting block is in a vertical state, and the top end of the arc-shaped block is in contact with the sensor.

Through adopting above-mentioned technical scheme, give the vertical decurrent pulling force of connecting block through the balancing weight, make connecting block and arc piece remain vertical state throughout, when the rack is in the horizontality, sensor and arc kicking block top contact, control motor stop work can guarantee that the rack is in the horizontality, has practiced thrift the time of surveying instrument angle modulation.

The present invention in a preferred embodiment can be further configured to: the bottom of the placing rack and the top of the bottom frame are jointly provided with a placing cavity, two baffle plates are arranged in the placing cavity, one side of each baffle plate is hinged to the top wall and the inner bottom wall of the placing cavity, and the other side of each baffle plate is hinged to the other side of the corresponding baffle plate.

Through adopting above-mentioned technical scheme, through the cooperation of two shielding plates, make the placing rack rotate the time, two shielding plates rotate thereupon, block balancing weight one side, prevent that wind from blowing the balancing weight and move along placing rack length direction to the accuracy nature of this structural adjustment has been improved.

The present invention may be further configured in a preferred embodiment as: the bottom of the placing rack is provided with a limiting pipe, the inside of the limiting pipe is communicated with the through hole, the limiting pipe is located in the counterweight groove, and the counterweight is slidably connected in the limiting pipe.

Through adopting above-mentioned technical scheme, the balancing weight is at spacing intraductal motion, makes the range that the balancing weight rocked reduce to can be fast static when the rack rotates, further improvement this structure adjustment's precision.

The present invention may be further configured in a preferred embodiment as: the shape of balancing weight is spherical setting.

Through adopting above-mentioned technical scheme, make the frictional force between balancing weight and the spacing pipe reduce to guarantee that the balancing weight remains vertical state throughout, thereby guaranteed the validity of this structure.

To sum up, the utility model discloses a following at least one kind of useful technological effect:

1. give the vertical decurrent pulling force of connecting block through the balancing weight, make connecting block and arc piece remain vertical state throughout, when the rack is in the horizontality, sensor and arc kicking block top contact, control motor stop work can guarantee that the rack is in the horizontality to the time of surveying instrument angle modulation has been practiced thrift.

2. Through the cooperation of two shielding plates, make the storage rack rotate the time, two shielding plates rotate thereupon, block balancing weight one side, prevent that wind from blowing the balancing weight and move along storage rack length direction to the accuracy nature of this structural adjustment has been improved.

3. Through the balancing weight at spacing intraductal motion, the range that makes the balancing weight rock reduces to the balancing weight can be fast static when the rack rotates, further improvement the precision that this structure was adjusted.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

fig. 2 is a schematic structural view of the placing frame in a horizontal state;

FIG. 3 is a three-dimensional view of the present embodiment;

fig. 4 is an enlarged view at a in fig. 1. .

In the figure, 1, an apparatus body; 2. placing a rack; 3. a chassis; 4. a placement groove; 5. a drive assembly; 51. a motor; 52. a lead screw; 53. a screw block; 54. a drive rod; 55. a long groove; 6. a through hole; 7. a counterweight groove; 8. an adjustment assembly; 81. a balancing weight; 82. a lifting rope; 83. a connecting rod; 84. connecting blocks; 85. an arc-shaped block; 86. a support frame; 87. a top plate; 88. a sensor; 9. a placement chamber; 10. a shielding plate; 11. and a limiting pipe.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

referring to fig. 1, the utility model discloses a road surface surveying instrument based on three-dimensional laser scanning imaging technique, including device body 1. The device body 1 bottom is provided with rack 2, and rack 2 bottom is provided with chassis 3, and rack 2 one side is articulated mutually with chassis 3 one side, and during initial condition, rack 2 bottom surface and 3 top surfaces of chassis contact.

Referring to fig. 2 and 3, a placing groove 4 is formed in the top of the bottom frame 3, a driving assembly 5 is arranged in the placing groove 4, and the driving assembly 5 drives the placing frame 2 to rotate. The driving assembly 5 includes a motor 51, and the motor 51 is disposed in the placing slot 4. The output end of the motor 51 is fixedly connected with a lead screw 52 through a coupler, and one end of the lead screw 52 far away from the motor 51 is rotatably connected with the inner wall of the placing groove 4 through a bearing.

The screw block 53 is screwed on the outer peripheral surface of the screw 52, and the screw block 53 is not in contact with the inner wall of the placing groove 4. One side of the screw block 53 is hinged with a driving rod 54, the bottom of the placing rack 2 is provided with a long groove 55, one end of the driving rod 54, which is far away from the screw block 53, is hinged in the long groove 55, the driving rod 54 is partially positioned in the long groove 55, and the driving rod 54 does not interfere with the placing rack 2 and the chassis 3 when rotating.

The motor 51 works to drive the screw rod 52 to rotate, so as to drive the screw block 53 to do linear motion, so that the driving rod 54 rotates to jack the placing rack 2 up for a certain angle, and the placing rack is suitable for being used on an inclined road surface.

Referring to fig. 4, a through hole 6 is formed in the top of the placing frame 2, a counterweight groove 7 is formed in the position, corresponding to the through hole 6, in the top of the bottom frame 3, and an adjusting assembly 8 is jointly arranged in the through hole 6 and the counterweight groove 7. The adjusting assembly 8 includes a weight block 81, and the weight block 81 is placed in the weight groove 7. The bottom of the placing rack 2 is provided with a limiting pipe 11, the inside of the limiting pipe 11 is communicated with the through hole 6, the limiting pipe 11 is positioned in the counterweight groove 7, and the counterweight block 81 is connected in the limiting pipe 11 in a sliding manner. The limiting pipe 11 can not contact with the inner wall of the counterweight groove 7 during the movement process.

The balancing weight 81 moves in the limiting pipe 11, so that the shaking amplitude of the balancing weight 81 is reduced, and the balancing weight can be rapidly static when the placing frame 2 rotates. The shape of balancing weight 81 is spherical setting, makes the frictional force between balancing weight 81 and the spacing pipe 11 reduce, ensures that balancing weight 81 remains vertical state throughout, and can not fix on spacing pipe 11 inner wall because of frictional force.

Referring to fig. 4, the top end of the counterweight block 81 is fixedly connected with a lifting rope 82, the through hole 6 is internally fixedly connected with a connecting rod 83, the connecting rod 83 is circumferentially and laterally rotatably sleeved with a connecting block 84, and the connecting block 84 can rotate along the length direction of the placing frame 2. But due to the size of the through hole 6, the connecting block 84 cannot move along the width direction of the placing frame 2, and the friction force between the connecting block 84 and the through hole 6 is small, so that the rotation of the connecting block 84 is not hindered.

Referring to fig. 1, the end of the lifting rope 82 away from the counterweight 81 is connected to the bottom end of the connecting block 84, and when the placing frame 2 and the underframe 3 are in contact, the lifting rope 82 is not completely tightened. The top of the connecting block 84 is provided with an arc-shaped block 85, and the top of the placing frame 2 is provided with a supporting frame 86 corresponding to the through hole 6. The arc block 85 is located inside the support frame 86, a top plate 87 is arranged at the top end of the support frame 86, and the top plate 87 is arranged in parallel with the top surface of the support frame 86.

Referring to fig. 4, a sensor 88 is disposed at the bottom of the top plate 87 at a position corresponding to the arc block 85, the sensor 88 is electrically connected to the motor 51, when the arc block 85 contacts the sensor 88, the sensor 88 operates to control the motor 51 to stop operating, and when the connecting block 84 is in a vertical state, the top end of the arc block 85 contacts the sensor 88.

Rotate the in-process at rack 2, balancing weight 81 gives the vertical decurrent pulling force of connecting block 84 all the time, makes connecting block 84 and arc piece 85 remain vertical state all the time, and when rack 2 was in the horizontality, sensor 88 contacted with arc kicking block top, and control motor 51 stop work can guarantee that rack 2 is in the horizontality.

Referring to fig. 2, a placing cavity 9 is jointly formed in the bottom of the placing frame 2 and the top of the bottom frame 3, two shielding plates 10 are arranged in the placing cavity 9, one sides of the two shielding plates 10 are respectively hinged to the top wall and the inner bottom wall of the placing cavity 9, and the other sides of the two shielding plates 10 are hinged to each other.

The rack 2 drives two shielding plates 10 to rotate when rotating, blocks one side of the balancing weight 81, prevents wind from blowing the balancing weight 81 to shake, and leads to the reduction of the adjustment precision.

The implementation principle of the above embodiment is as follows:

put chassis 3 on the inclined pavement at first, starter motor 51 works, it rotates to drive lead screw 52, thereby drive spiral shell piece 53 and remove, make actuating lever 54 rotate, and then make rack 2 rotate, meanwhile, the vertical decurrent pulling force of connecting block 84 is given all the time to balancing weight 81, make connecting block 84 and arc piece 85 remain vertical state all the time, when rack 2 rotates to the horizontality, sensor 88 and arc top piece top contact, through sensor 88 control motor 51 stop work, can make rack 2 and device body 1 be in the horizontality.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a road surface surveying appearance based on three-dimensional laser scanning imaging technique, includes device body (1), its characterized in that: the device comprises a device body (1), wherein a placing frame (2) is arranged at the bottom of the device body (1), an underframe (3) is arranged at the bottom of the placing frame (2), one side of the placing frame (2) is hinged with one side of the underframe (3), a placing groove (4) is formed in the top of the underframe (3), a driving assembly (5) is arranged in the placing groove (4), and the driving assembly (5) drives the placing frame (2) to rotate;

through-hole (6) have been seted up at rack (2) top, chassis (3) top corresponds counter weight groove (7) have been seted up to the position of through-hole (6), through-hole (6) with be provided with adjusting part (8) jointly in counter weight groove (7).

2. The road surface surveying instrument based on the three-dimensional laser scanning imaging technology of claim 1, characterized in that: drive assembly (5) include motor (51), motor (51) set up in standing groove (4), motor (51) output passes through shaft coupling fixedly connected with lead screw (52), just lead screw (52) are kept away from the one end of motor (51) pass through the bearing with standing groove (4) inner wall rotates the connection, lead screw (52) outer peripheral face threaded connection has spiral shell piece (53), spiral shell piece (53) one side articulates there is actuating lever (54), elongated slot (55) have been seted up to rack (2) bottom, actuating lever (54) are kept away from the one end of spiral shell piece (53) articulate in elongated slot (55).

3. The road surface surveying instrument based on the three-dimensional laser scanning imaging technology of claim 2, characterized in that: adjusting part (8) include balancing weight (81), balancing weight (81) are placed in counter weight groove (7), balancing weight (81) top fixedly connected with lifting rope (82), fixedly connected with connecting rod (83) in through-hole (6), connecting rod (83) circumference side rotation cover is equipped with connecting block (84), lifting rope (82) are kept away from the one end of balancing weight (81) with connecting block (84) bottom is connected, connecting block (84) top is provided with arc piece (85), rack (2) top corresponds the position of through-hole (6) is provided with support frame (86), arc piece (85) are located support frame (86) are inboard, just support frame (86) top is provided with roof (87), roof (87) with support frame (86) top surface parallel arrangement, roof (87) bottom corresponds the position of arc piece (85) is provided with sensor (88), sensor (88) with motor (51) are connected, and when connecting block (84) are in vertical state, arc piece (85) top with sensor (88) automatically controlled.

4. The road surface surveying instrument based on the three-dimensional laser scanning imaging technology of claim 1, characterized in that: the bottom of the placing frame (2) and the top of the bottom frame (3) are jointly provided with a placing cavity (9), two shielding plates (10) are arranged in the placing cavity (9), one side of each shielding plate (10) is hinged to the inner top wall and the inner bottom wall of the placing cavity (9), and the other side of each shielding plate (10) is hinged to the other side of the placing cavity.

5. The road surface surveying instrument based on the three-dimensional laser scanning imaging technology of claim 3, characterized in that: the bottom of the placing rack (2) is provided with a limiting pipe (11), the limiting pipe (11) is internally communicated with the through hole (6), the limiting pipe (11) is located in the counterweight groove (7), and the counterweight block (81) is slidably connected into the limiting pipe (11).

6. The road surface surveying instrument based on the three-dimensional laser scanning imaging technology of claim 5, characterized in that: the shape of balancing weight (81) is the spherical setting.