Laser device having laser calibration function and calibration method for laser device

1 . A laser device having a laser calibration function, comprising:

a housing including a laser protection cover having a transparent portion;

a laser emission apparatus arranged in the housing and configured to emit a laser;

a calibration apparatus mechanically connected to the laser emission apparatus and including a transmission member, the transmission member being arranged in the laser device and configured to move along an axial direction of the laser emission apparatus under an external force to calibrate the laser device.

2 . The laser device having the laser calibration function according to claim 1 , wherein a through-hole is formed on the laser protection cover.

3 . The laser device having the laser calibration function according to claim 2 , further comprising:

an elastic piece including a slit, the slit being arranged at the through-hole.

4 . The laser device having the laser calibration function according to claim 1 , further comprising:

a calibration member arranged at the laser protection cover of the housing and having a first working position and a second working position;

wherein:

in response to the calibration member being in the first working position, the calibration member is decoupled from the transmission member; and

in response to the calibration member being in the second working position, the calibration member is coupled with the transmission member.

5 . The laser device having the laser calibration function according to claim 4 , wherein the calibration member includes an elastic member configured to maintain a portion of the calibration member in the first working position.

6 . The laser device having the laser calibration function according to claim 5 , wherein:

the calibration member further includes a connector connected to the elastic member;

the connector is configured to move, in response to an external force being applied to the connector to allow the connector to overcome an elastic force of the elastic member to move, from the first working position to the second working position to be coupled with the transmission member.

7 . The laser device having the laser calibration function according to claim 5 , wherein the elastic member is configured as a spring or a rubber piece.

8 . The laser device having the laser calibration function according to claim 1 , wherein:

the calibration apparatus further includes a sleeve mechanically connected to the laser emission apparatus;

the transmission member is arranged in the sleeve; and

an outer surface of the transmission member is threadedly connected to an inner surface of the sleeve.

9 . The laser device having the laser calibration function according to claim 1 , wherein:

the transmission member is arranged at an axial position on a side surface of the laser emission apparatus;

the transmission member is configured to have a barrel structure with an end having a mechanical cooperation piece and having an inner thread; and

an outer thread is formed on the side surface of the laser emission apparatus to allow the transmission member and the laser emission apparatus to be threadedly connected.

10 . The laser device having the laser calibration function according to claim 1 , wherein a slot-shaped opening, a cross-shaped opening, or a hexagonal-shaped opening are formed on an end of the calibration member facing an outer side of the housing.

11 . The laser device having the laser calibration function according to claim 1 , further comprising:

a level indication apparatus configured to indicate a current horizontal state of the laser device having the laser calibration function.

12 . The laser device having the laser calibration function according to claim 1 , wherein:

the calibration apparatus includes a first calibration apparatus and a second calibration apparatus; and

the calibration member includes:

a first calibration member configured to adjust a horizontal state of the first calibration apparatus; and

a second calibration member configured to adjust a horizontal state of the second calibration apparatus.

13 . The laser device having the laser calibration function according to claim 12 , wherein:

the first calibration member is configured to adjust the horizontal state of the laser device in an X-axis direction; and

the second calibration member is configured to adjust the horizontal state of the laser device in a Y-axis direction.

14 . The laser device having the laser calibration function according to claim 1 , wherein the laser device is a laser line projector, a laser level, or a laser total station.

15 . A calibration method for a laser device comprising:

placing the laser device on a calibration platform, the laser device comprising a housing, a laser emission apparatus arranged in the housing, a calibration apparatus mechanically connected to the laser emission apparatus and including a transmission member;

driving, by a drive member, a calibration member to move from a first working position to a second working position to allow the calibration member to be coupled with the transmission member of the calibration apparatus;

based on a position of a laser emitted by the laser emission apparatus, determining a calibration amount of the laser device; and

sending the calibration amount to the drive member, and driving, by the calibration member, the transmission member to rotate to automatically calibrate the laser device.

16 . The calibration method according to claim 15 , further comprising:

after a calibration in a first direction being completed, rotating the laser device a first angle to calibrate the laser device in a second direction, the first direction and the second direction being perpendicular with each other.

17 . The calibration method according to claim 15 , wherein the drive member is configured as a mechanical arm, and the calibration method further comprises:

performing, by the mechanical arm, automatic calibration on the laser device based on the calibration amount.

18 . The calibration method according to claim 15 , wherein the laser device further includes a level indication apparatus; and the calibration method further comprises:

performing, by the drive member, automatic calibration on the laser device based on the level indication apparatus.