CN113176552A - Laser scanning device, laser range radar, and method for mounting laser scanning device - Google Patents
Laser scanning device, laser range radar, and method for mounting laser scanning device Download PDFInfo
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- CN113176552A CN113176552A CN202110401242.1A CN202110401242A CN113176552A CN 113176552 A CN113176552 A CN 113176552A CN 202110401242 A CN202110401242 A CN 202110401242A CN 113176552 A CN113176552 A CN 113176552A
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- 238000000034 method Methods 0.000 title claims abstract description 43
- 238000003825 pressing Methods 0.000 claims abstract description 39
- 210000004907 gland Anatomy 0.000 claims description 87
- 239000000463 material Substances 0.000 claims description 23
- 239000011521 glass Substances 0.000 claims description 16
- 238000009434 installation Methods 0.000 abstract description 16
- 238000003754 machining Methods 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 description 8
- 229920001971 elastomer Polymers 0.000 description 7
- 230000000149 penetrating effect Effects 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
- 230000004323 axial length Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005266 casting Methods 0.000 description 3
- 239000000806 elastomer Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000013013 elastic material Substances 0.000 description 2
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/481—Constructional features, e.g. arrangements of optical elements
- G01S7/4817—Constructional features, e.g. arrangements of optical elements relating to scanning
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/06—Systems determining position data of a target
- G01S17/08—Systems determining position data of a target for measuring distance only
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/481—Constructional features, e.g. arrangements of optical elements
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Electromagnetism (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Abstract
The embodiment of the application discloses a laser scanning device, a laser range radar and an installation method of the laser scanning device, relates to the technical field of laser radars, and aims to simplify the machining process of a reflecting prism. The laser scanning device includes: the reflection prism is pressed on the rotation mechanism through a pressing cover, and the pressing cover is connected with the rotation mechanism. The application is suitable for laser radar's beam scanning.
Description
Technical Field
The application relates to the technical field of laser radars, in particular to a laser scanning device, a laser range radar and a mounting method of the laser scanning device.
Background
In a laser ranging radar optical-mechanical system, a scanning device of a laser ranging radar can scan emitted light into emergent light with a certain coverage range, such as a linear array or an area array, according to a certain rule so as to detect a target area. Among the prior art, laser rangefinder radar's scanning device mainly includes rotary mechanism and reflection prism to through screw with reflection prism and motor fixed mounting, like this, need process the mounting hole that is used for wearing to establish the screw on reflection prism, thereby, lead to reflection prism's manufacturing procedure comparatively complicated.
Disclosure of Invention
In view of the above, embodiments of the present disclosure provide a laser scanning device, a laser range radar, and a method for mounting the laser scanning device, which can simplify the processing procedure of the reflection prism.
The embodiment of the application provides a laser scanning device, includes: the reflection prism is pressed on the rotation mechanism through a pressing cover, and the pressing cover is connected with the rotation mechanism.
According to a specific implementation manner of the embodiment of the application, the rotating mechanism is a motor, the reflecting prism is provided with a central hole, and a first end of the reflecting prism is sleeved on a rotor of the motor through the central hole; the gland is pressed at the second end of the reflecting prism and connected with the rotor of the motor.
According to a specific implementation manner of the embodiment of the application, the rotor comprises a cylindrical shell, and a first bulge is arranged on the outer edge of the shell; the first end of the reflecting prism is sleeved on the shell through the central hole; the end face of the first end of the reflecting prism is supported on the first protrusion; the gland is connected with the shell.
According to a specific implementation manner of the embodiment of the application, the gland comprises a sleeve, a first end of the sleeve is provided with a connecting part, the first end of the sleeve is arranged in the central hole, and the connecting part is connected with the shell; a second bulge is arranged on the outer edge of the second end of the sleeve; the second protrusion presses on an end face of the second end of the reflection prism.
According to a specific implementation manner of the embodiment of the application, a first elastic piece is arranged between the connecting part and the shell; the connecting part and the shell are connected through a threaded fastener.
According to a specific implementation manner of the embodiment of the application, a second elastic piece is arranged between the end face of the first end of the reflection prism and the first protrusion.
According to a specific implementation manner of the embodiment of the application, the rotating mechanism is a motor, the reflecting prism is provided with a central hole, and a first end of the reflecting prism is sleeved on a rotor of the motor through the central hole; a third bulge is arranged on the inner edge of the reflecting prism, and the end face of the first end of the third bulge is supported on the rotor of the motor; the gland is pressed on the end face of the second end of the third protrusion and connected with the rotor of the motor.
According to a particular implementation of an embodiment of the present application, the gland includes a cylinder; the first end of the column body is arranged in a central hole formed by the third bulge; and a fourth bulge is arranged on the outer edge of the second end of the column body and pressed on the end surface of the second end of the third bulge.
According to a specific implementation manner of the embodiment of the application, the cylinder is provided with a central hole; the end face of the rotor is provided with a positioning column, the end face of the first end of the third bulge is supported on the end face of the rotor, and the positioning column penetrates through the central hole of the column body.
According to a specific implementation manner of the embodiment of the application, a third elastic piece is arranged between the first end of the column body and the end face of the rotor; the first end of the post is connected with the end face of the rotor through a threaded fastener.
According to a specific implementation manner of the embodiment of the application, a fourth elastic piece is arranged between the end face of the first end of the third protrusion of the reflection prism and the end face of the rotor.
According to a specific implementation manner of the embodiment of the application, the material of the reflecting prism is glass.
The embodiment of the present application further provides a laser range radar, which includes: a laser transmitter, a receiver and a laser scanning device according to any of the above implementations; the laser transmitter is used for generating and transmitting a first laser beam; the laser scanning device is used for receiving the first laser beam and reflecting the first laser beam to a measured object; the second laser beam is a light beam reflected by the measured object from the first laser beam; the receiver is configured to receive the second laser beam.
The embodiment of the present application further provides an installation method of a laser scanning device, including: placing a reflecting prism on a rotating mechanism; the gland is pressed on the reflecting prism; and connecting the gland with the rotating mechanism.
According to a specific implementation manner of the embodiment of the application, the rotating mechanism is a motor, and the reflecting prism is provided with a central hole; wherein, place the reflection prism on rotary mechanism, include: the first end of the reflecting prism is sleeved on the rotor of the motor through the central hole; the cover presses on the reflection prism, including: the gland presses the second end of the reflecting prism; the connecting the gland with the rotating mechanism comprises: and connecting the gland with a rotor of the motor.
According to a specific implementation manner of the embodiment of the application, the rotor comprises a cylindrical shell, and a first bulge is arranged on the outer edge of the shell; the first end of reflection prism passes through centre bore cover is located on the rotor of motor, include: the first end of the reflecting prism is sleeved on the shell through the central hole; the end face of the first end of the reflecting prism is supported on the first protrusion; the will the gland with the rotor of motor links to each other, includes: connecting the gland to the housing.
According to a specific implementation manner of the embodiment of the application, the gland comprises a sleeve, a connecting part is arranged at a first end of the sleeve, and a second bulge is arranged at the outer edge of a second end of the sleeve; the cover presses on the second end of the reflection prism, including: the first end of the sleeve is placed in the central hole; the second protrusion is pressed on the end face of the second end of the reflection prism; connecting the gland to the housing, comprising: connecting the connecting portion with the housing.
According to a specific implementation manner of the embodiment of the application, the rotating mechanism is a motor, the reflecting prism is provided with a central hole, and a first end of the reflecting prism is sleeved on a rotor of the motor through the central hole; a third bulge is arranged on the inner edge of the reflecting prism; wherein, place the reflection prism on rotary mechanism, include: the first end of the reflecting prism is sleeved on the rotor of the motor through the central hole; after the first end of reflection prism passes through the centre bore cover is located on the rotor of motor, still include: the end face of the first end of the third protrusion is supported on a rotor of the motor; the cover presses on the reflection prism, including: the gland presses on the end face of the second end of the third protrusion.
According to a specific implementation manner of the embodiment of the application, the gland comprises a cylinder, and a fourth annular bulge is arranged on the outer edge of the second end of the cylinder; the gland presses on the end face of the second end of the third protrusion, and includes: the first end of the column body is placed in a central hole formed by the third bulge; the fourth bulge is pressed on the end surface of the second end of the third bulge; the connecting the gland with the rotor of the motor comprises: connecting the first end of the cylinder with a rotor of the motor.
According to a specific implementation manner of the embodiment of the application, the cylinder is provided with a central hole; a positioning column is arranged on the end face of the rotor; after the first end of the column is placed in the central hole formed by the third bulge, the method further comprises the following steps: the positioning column penetrates through the central hole of the column body; the end face of the first end of the third protrusion is supported on the rotor of the motor, and includes: the end face of the first end of the third projection is supported on the end face of the rotor.
According to the laser scanning device, the laser ranging radar and the installation method of the laser scanning device, the reflecting prism is pressed on the rotating mechanism through the pressing cover, the pressing cover is connected with the rotating mechanism, and the reflecting prism is pressed on the rotating mechanism through the pressing cover, so that when the reflecting prism is machined, a mounting hole for penetrating a screw can not be machined, and therefore the machining process of the reflecting prism is simplified.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of a laser scanning apparatus according to an embodiment of the present application.
Fig. 2 is a schematic structural diagram of a motor according to an embodiment of the present application.
Fig. 3 is a schematic structural diagram illustrating a test performed on a laser scanning apparatus according to an embodiment of the present application.
Fig. 4 is a schematic flow chart illustrating an installation method of a laser scanning apparatus according to an embodiment of the present application.
Detailed Description
The embodiments of the present application will be described in detail below with reference to the accompanying drawings. It should be understood that the embodiments described are only a few embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
An embodiment of the present application provides a laser scanning device, including: the reflection prism is pressed on the rotating mechanism through the pressing cover, the pressing cover is connected with the rotating mechanism, and the reflection prism is pressed on the rotating mechanism through the pressing cover, so that a mounting hole for penetrating a screw can not be machined when the reflection prism is machined, and the machining process of the reflection prism is simplified.
Fig. 1 is a schematic structural diagram of a laser scanning apparatus according to an embodiment of the present application, and as shown in fig. 1, the laser scanning apparatus according to the present embodiment includes: the device comprises a rotating mechanism 1 and a reflecting prism 2, wherein the reflecting prism 2 is arranged on the rotating mechanism 1 through a gland 3 in a pressing mode, and the gland 3 is connected with the rotating mechanism 1.
The laser scanning device of the embodiment is mainly applied to 3D point cloud ranging scenes, such as rail transit scenes, automobile unmanned scenes and the like.
The rotating mechanism 1 is a mechanism capable of providing power to rotate other components connected with the rotating mechanism.
The reflecting prism 2 can be in the shape of a triangular prism, a quadrangular prism, a hexagonal prism and the like; in some examples, the material of the reflecting prism 2 may be aluminum, and the aluminum material is machined, polished, and coated; in other examples, the material of the reflecting prism 2 may be glass, and may be formed by a casting process.
In one example, the laser scanning apparatus of the present embodiment is used as a scanning module of a laser range radar, in the laser range radar, light emitted by a transmitter of the laser range radar is incident on the reflecting prism 2 as incident light, and the light reflected by the reflecting prism 2 is directed to an object to be measured; the light reflected by the measured object is reflected to the receiver of the laser ranging radar through the reflecting prism 2.
The reflecting prism 2 is pressed on the rotating mechanism 1 through the pressing cover 3, the pressing cover 3 is connected with the rotating mechanism 1, the rotating mechanism 1 can drive the reflecting prism 2 and the pressing cover 3 to rotate through rotation, and therefore emitted light is scanned into linear array or planar array emergent light according to a certain rule. It should be noted that the emitted light is not limited to the emitted light scanned into a linear array or an area array according to a certain rule, and may be scanned in other ways to cover the target area to be detected.
In this embodiment, the reflection prism 2 is pressed and arranged on the rotating mechanism 1 through the pressing cover 3, the pressing cover 3 is connected with the rotating mechanism 1, and the reflection prism 2 is pressed and arranged on the rotating mechanism 1 through the pressing cover 3, so that the installation hole for penetrating the screw can not be processed when the reflection prism 2 is processed, and the processing procedure of the reflection prism 2 is simplified.
Referring to fig. 1, an embodiment of the present application is substantially the same as the above embodiment, except that the rotating mechanism 1 of the present embodiment is a motor, the reflecting prism 2 is provided with a central hole, and a first end of the reflecting prism 2 is sleeved on a rotor of the motor through the central hole; the gland 3 is arranged at the second end of the reflecting prism 2 in a pressing mode, and the gland 3 is connected with a rotor 10 of the motor.
The motor can be an electromagnetic device for realizing electric energy conversion according to the electromagnetic induction law, and the motor is mainly used for generating driving torque and serving as a power source of other parts or devices. The motor comprises a stator and a rotor 10, and can utilize an electrified coil, namely a stator winding to generate a rotating magnetic field and act on the rotor 10 to form magnetoelectric power rotating torque, so that the rotor 10 can drive other components connected with the rotor to rotate.
The reflecting prism 2 is provided with a central hole, namely the reflecting prism 2 can be a prism with a central hole in the shape; the first end of the reflection prism 2 is sleeved on the rotor 10 of the motor through the central hole, so that the center line of the reflection prism 2 is coincided with the center line of the rotor 10 conveniently, and meanwhile, the reflection prism 2 can be stably installed on the rotor 10.
The gland 3 is connected with a rotor 10 of the motor, so that the rotor 10 rotates to drive the gland 3 to rotate, and the gland 3 can further drive the reflecting prism 2 to rotate.
Referring to fig. 2, in order to ensure the normal operation of the laser scanning device, each reflecting surface of the reflecting prism 2 and the mounting surface of the motor are required to maintain a relatively fixed spatial position in the axial direction, and in order to improve the stability of the relative position between the reflecting prism 2 and the rotor 10, in some examples, the rotor 10 includes a cylindrical housing 10a, and a first protrusion 10b is provided at the outer edge of the housing; the first end of the reflecting prism 2 is sleeved on the shell 10a through the central hole; the end face of the first end of the reflection prism 2 is supported on the first projection 10 b; the gland 3 is connected to one end of the housing 10 a.
The first projection 10b may be an annular structure provided along the outer edge of the housing 10 a.
The terminal surface of the first end of reflection prism 2 supports on first arch 10b, and under the effect of gland 3, the rotation of first arch 10b can drive reflection prism 2 rotatory, and simultaneously, gland 3 links to each other with casing 10a, and the rotation of casing 10a can drive gland 3 rotatory.
In some examples, the gland 3 includes a sleeve 30, a first end of the sleeve 30 is provided with a connecting portion 32, the first end of the sleeve 30 is provided in the central hole, and the connecting portion 32 is connected with the housing 10 a; the outer edge of the second end of the sleeve 30 is provided with a second protrusion 34; the second projection 34 presses on the end face of the second end of the reflection prism 2.
The diameter of the outer edge of the sleeve 30 is smaller than the diameter of the central hole, and in one example, the diameter of the outer edge of the sleeve 30 may be slightly smaller than the diameter of the central hole, so that the sleeve 30 can provide circumferential positioning for the reflection prism 2 to improve the stability of the installation of the reflection prism 2 and the rotor 10.
The second protrusion 34 may be an annular structure formed along the outer edge of the second end of the sleeve 30, so that the contact area between the second protrusion 34 and the second end surface of the reflection prism 2 is increased, and under the condition that the acting force between the third protrusion 34 and the second end surface of the reflection prism 2 is the same, the pressure on the second end surface of the reflection prism 2 is reduced, which is helpful for improving the working reliability and service life of the reflection prism 2, and avoiding the damage of the reflection prism 2 caused by too large bearing pressure.
Referring to fig. 1, in order to facilitate adjustment of an angle between the axis of the reflection prism 2 and the axis of the rotor 10, in some examples, a first elastic member 4 is provided between the connection portion 32 and the housing 10 a; the connecting portion 32 and the housing 10a are connected by a threaded fastener.
The first elastic member may be a component which is made of an elastic material and is easily deformed by an external force. The threaded fastener may be a screw, bolt, or the like.
Be equipped with first elastic component 4 between connecting portion 32 and casing 10a to connecting portion 32 and casing 10a are connected through the fastener that takes the screw thread, can be equipped with the through-hole on connecting portion 32, are equipped with the screw hole on casing 10a, install the elastic gasket between connecting portion 32 and casing 10a, and the screw is worn to locate through-hole, elastic gasket and screw hole, makes gland 3 and casing 10a fixed connection.
The number of the first elastic members 4 may be at least one, and the first elastic members 4 are provided between the connection portion 32 and the housing 10a, which may improve the stability of the installation of the gland 3 with the housing 10 a.
In addition to the first elastic member 4 provided between the connection portion 32 and the housing 10a, the connection portion 32 and the housing 10a are connected by a threaded fastener, so that the fastener provided with the elastic member can be adjusted to change the angle of the cover 3 with respect to the housing 10a, and further, the change of the angle of the cover 3 can change the angle of the reflecting prism 2, thereby adjusting the angle of the axis of the reflecting prism 2 with respect to the axis of the housing 10 a.
The number of first elastic members 4 may be equal to the number of threaded fasteners.
In some examples, the number of the threaded fasteners may be six, the six threaded fasteners are uniformly distributed along the circumference, each of the threaded fasteners is sleeved with the first elastic member 4, when the angle between the axis of the reflection prism 2 and the axis of the housing 10a is larger, the pressing cover 3 may slightly deflect toward the housing 10a by adjusting one or more of the threaded fasteners, for example, by screwing one of the threaded fasteners, and the deflection of the pressing cover 3 drives the reflection prism 2 to deflect, that is, the angle between the axis of the reflection prism 2 and the axis of the housing 10a changes, so as to achieve the purpose of adjusting the angle between the axis of the reflection prism 2 and the axis of the housing 10 a.
Referring to fig. 1, in some examples, a second elastic member 5 is provided between an end surface of the first end of the reflection prism 2 and the first protrusion 10 b.
The second elastic member 5 may be made of a rubber material.
The second elastic member 5 is disposed to stably connect the first end of the reflecting prism 2 and the first protrusion 10b of the housing 10a and also to protect the reflecting prism 2, in which case the reflecting prism 2 is made of a glass material, in one example, in which case the second elastic member 5 protects the reflecting prism 2 made of a glass material to prevent the reflecting prism 2 from being damaged; in addition, the second elastic member 5 also has an anti-slip function, when the housing 10a drives the reflection prism 2 to rotate, the reflection prism 2 tends to slide relative to the housing 10a, and due to the existence of the second elastic member 5, the friction force between the reflection prism 2 and the housing 10a is increased, so that the reflection prism 2 rotates synchronously with the housing 10a, and the reliability of the laser scanning device of the embodiment is improved.
The present application further includes a rotating mechanism 1 of the laser scanning device of the present embodiment is a motor, a reflecting prism 2 is provided with a central hole, and a first end of the reflecting prism 2 is sleeved on a rotor of the motor through the central hole; a third bulge is arranged on the inner edge of the reflecting prism 2, and the end surface of the first end of the third bulge is supported on a rotor 10 of the motor; the gland 3 presses on the end face of the second end of the third protrusion, and the gland 3 is connected with the rotor 10 of the motor.
The motor and the reflection prism in this embodiment are similar to those in the above embodiments, and are not described herein again.
The third protrusion may be a ring-shaped structure formed along the inner edge of the reflection prism 2.
The first end of the third protrusion is the end close to the rotor 10 of the electrical machine and the second end of the third protrusion is the end far from the rotor 10 of the electrical machine.
In this embodiment, since the third protrusion is disposed on the inner edge of the reflection prism 2, the end surface of the first end of the third protrusion is supported on the rotor 10 of the motor, and the gland 3 is pressed on the end surface of the second end of the third protrusion, the axial length of the laser scanning device of this embodiment can be shortened.
In some examples, the gland 3 comprises a cylinder; the first end of the column body is arranged in a central hole formed by the third bulge; and a fourth bulge is arranged on the outer edge of the second end of the column body and pressed on the end surface of the second end of the third bulge.
The first end of the column body can be a section of the column body between the upper end surface of the column body and a section of the column body, and the second end of the column body can be a section of the column body between the upper end surface of the column body and the other end surface of the column body and a section of the column body. In order to save the axial length of the column body, the fourth bulge is arranged on the outer edge of the second end of the column body close to the end face.
The first end of the cylinder is arranged in the central hole formed by the third bulge, so that the first end of the cylinder can provide circumferential positioning for the central hole formed by the third bulge so as to improve the mounting stability of the reflecting prism 2.
In order to provide more precise circumferential positioning of the central aperture formed by the third projection, in some instances the cylinder is provided with a central aperture; the end face of the rotor 10 is provided with a positioning column, the end face of the first end of the third protrusion is supported on the end face of the rotor 10, and the positioning column penetrates through the central hole of the column body.
The positioning column may be a rotating shaft on the rotor 10, or may be a column disposed on an end surface of the rotor 10.
In order to facilitate the adjustment of the angle between the axis of the reflection prism 2 and the axis of the rotor 10, a third elastic member is arranged between the first end of the cylinder and the end surface of the rotor 10; the first end of the cylinder is connected to the end face of the rotor 10 by threaded fasteners.
The number of the third elastic members may be at least one, and the third elastic members are disposed between the first end of the cylinder and the end surface of the rotor 10, which may improve the stability of the installation of the gland 3 with the housing 10 a.
Except that a third elastic member is provided between the first end of the cylinder and the end surface of the rotor 10, the first end of the cylinder is connected to the end surface of the rotor 10 by a threaded fastener, so that the fastener provided with the elastic member can be adjusted to change the angle of the gland 3 with respect to the rotor 10, and further, the change of the angle of the gland 3 changes the angle of the reflecting prism 2, thereby adjusting the angle of the axis of the reflecting prism 2 with the axis of the housing 10 a.
The number of the third elastic members may be equal to the number of the threaded fasteners.
In some examples, the number of the threaded fasteners may be six, the six threaded fasteners are uniformly distributed along the circumference, each of the threaded fasteners is sleeved with a third elastic member, when the angle between the axis of the reflection prism 2 and the axis of the rotor 10 is large, the gland 3 may slightly deflect towards the rotor 10 by adjusting one or more of the threaded fasteners, for example, screwing one of the threaded fasteners, and the deflection of the gland 3 drives the reflection prism 2 to deflect, that is, the angle between the axis of the reflection prism 2 and the axis of the rotor 10 changes, so as to achieve the purpose of adjusting the angle between the axis of the reflection prism 2 and the axis of the rotor 10.
In some examples, a fourth elastic member is provided between an end surface of the first end of the third protrusion of the reflection prism 2 and an end surface of the rotor 10.
The fourth elastomer may be made of a rubber material.
The fourth elastic member is disposed to stably connect the end surface of the first end of the third protrusion with the end surface of the rotor 10 and also to protect the reflecting prism 2, in one example, the reflecting prism 2 is made of a glass material, in which case the fourth elastic member can protect the reflecting prism 2 made of a glass material to prevent the reflecting prism 2 from being damaged; in addition, the fourth elastic member also has an anti-slip function, when the rotor 10 drives the reflection prism 2 to rotate, the reflection prism 2 tends to slide relative to the rotor 10, and due to the existence of the fourth elastic member, the friction force between the reflection prism 2 and the rotor 10 is increased, so that the reflection prism 2 rotates synchronously with the rotor 10, and the reliability of the laser scanning device of the embodiment is improved.
In order to reduce the number of processing steps of the reflection prism 2 and reduce the processing cost of the reflection prism 2, in some examples, the material of the reflection prism 2 is glass.
Because the glass material is adopted and can be processed by a casting process, the problems of complex processing process and high cost caused by using aluminum material as the reflecting prism 2 are avoided.
Referring to fig. 3, in some embodiments, a dedicated testing device may be used to test whether the scanning track of the laser scanning apparatus of this embodiment is in an optimal state, specifically, the laser scanning apparatus of this embodiment of the present application may be placed at a fixed position, and the reflection prism 2 may be manually rotated to ensure that light from the emission light source 6 in the testing apparatus is reflected and received by the receiving device 7 in the testing apparatus, and if not, the angle of the glass prism may be finely adjusted by adjusting the first elastic member 4 between the connecting portion 32 and the housing 10a, or the threaded fastener at the third elastic member between the first end of the cylinder and the end surface of the rotor 10, until the light can be received, so as to finally realize a rotating prism structure that is easy to process and convenient to assemble.
The application also provides a laser rangefinder radar, include: a laser transmitter, a receiver and a laser scanning device as described in any of the above embodiments; the laser emitter is used for generating and emitting a first laser beam; the laser scanning device is used for receiving the first laser beam and reflecting the first laser beam to a measured object; the second laser beam is a light beam reflected by the measured object from the first laser beam; the receiver is configured to receive the second laser beam.
The structure and the effects of the components of the laser scanning device in this embodiment are similar to those described in the above embodiment, and are not repeated herein.
The laser ranging radar of the embodiment is mainly applied to area array or linear array ranging scenes, such as rail transit scenes, unmanned automobile scenes and the like.
The laser ranging radar of this embodiment, because including the laser scanning device of any one of the above-mentioned embodiments, reflection prism 2 wherein locates on rotary mechanism 1 through gland 3, like this, on reflection prism 2, can not process the mounting hole that is used for wearing to establish the screw to simplified reflection prism 2's manufacturing procedure, further, be convenient for simplify the manufacturing procedure of the laser ranging radar of this embodiment.
The present application also provides a method for mounting a laser scanning device, comprising: placing the reflecting prism 2 on the rotating mechanism 1; the gland 3 presses on the reflecting prism 2; the pressing cover 3 is connected with the rotating mechanism 1, and the reflecting prism 2 is arranged on the rotating mechanism 1 due to the adoption of the pressing cover 3, so that a mounting hole for penetrating a screw can not be processed when the reflecting prism 2 is processed, and the processing procedure of the reflecting prism 2 is simplified.
The laser scanning device obtained by the installation method of the embodiment is mainly applied to 3D point cloud ranging scenes, such as rail transit scenes, unmanned vehicles and the like.
Fig. 4 is a schematic flow chart of an installation method of a laser scanning apparatus according to an embodiment of the present application, and as shown in fig. 4, the installation method of the laser scanning apparatus of the present application may include:
s101, placing the reflecting prism on a rotating mechanism.
The reflecting prism 2 can be in the shape of a triangular prism, a quadrangular prism, a hexagonal prism and the like; in some examples, the material of the reflecting prism 2 may be aluminum, and the aluminum material is machined, polished, and coated; in other examples, the material of the reflecting prism 2 may be glass, and may be formed by a casting process.
The rotary mechanism 1 is a mechanism capable of providing power to rotate other components connected thereto.
S102, pressing a pressing cover on the reflecting prism.
The specific shape of the cover 3 is not limited as long as the emission prism can be fixed to the cover 3.
And S103, connecting the gland with the rotating mechanism.
The connection form of the gland 3 and the rotating mechanism 1 can be fastener connection or welding.
In one example, the laser scanning apparatus of the present embodiment is used as a scanning module of a laser range radar, in the laser range radar, light emitted by a transmitter of the laser range radar is incident on the reflecting prism 2 as incident light, and the light reflected by the reflecting prism 2 is directed to an object to be measured; the light reflected by the measured object is reflected to the receiver of the laser ranging radar through the reflecting prism 2.
The reflecting prism 2 is placed on the rotating mechanism 1, the pressing cover 3 is pressed on the reflecting prism 2, and then the pressing cover 3 is connected with the rotating mechanism 1, so that the rotating mechanism 1 rotates to drive the reflecting prism 2 and the pressing cover 3 to rotate, and emitted light is scanned into linear array or planar array emergent light according to a certain rule.
In this embodiment, the reflection prism 2 is placed on the rotating mechanism 1, the pressing cover 3 is pressed on the reflection prism 2, and then the pressing cover 3 is connected with the rotating mechanism 1, and the pressing cover 3 is adopted to install the reflection prism 2 on the rotating mechanism 1, so that the installation hole for penetrating the screw can not be processed on the reflection prism 2, and the processing procedure of the reflection prism 2 is simplified.
The embodiment of the present application is basically the same as the above embodiments, except that the rotating mechanism 1 of the present embodiment is a motor, and the reflecting prism 2 is provided with a central hole; wherein,
the reflection prism 2 is placed on the rotation mechanism 1 (S101), including:
s101a, sleeving the first end of the reflecting prism 2 on the rotor 10 of the motor through a central hole;
the motor can be an electromagnetic device for realizing electric energy conversion according to the electromagnetic induction law, and the motor is mainly used for generating driving torque and serving as a power source of other parts or devices. The motor comprises a stator and a rotor 10, and can utilize an electrified coil, namely a stator winding to generate a rotating magnetic field and act on the rotor 10 to form magnetoelectric power rotating torque, so that the rotor 10 can drive other components connected with the rotor to rotate.
The reflecting prism 2 is provided with a central hole, namely the reflecting prism 2 can be a prism with a central hole in the shape; the first end of the reflection prism 2 is sleeved on the rotor 10 of the motor through the central hole, so that the center line of the reflection prism 2 is coincided with the center line of the rotor 10 conveniently, and meanwhile, the reflection prism 2 can be stably installed on the rotor 10.
The pressing cover 3 presses the reflecting prism 2 (S102), including:
s102a, the pressing cover 3 presses the second end of the reflection prism 2.
The second end of the reflecting prism 2 is the end opposite to the first end of the reflecting prism 2.
Connecting the gland 3 to the rotating mechanism 1 (S103), comprising:
and S103a, connecting the gland 3 with the rotor 10 of the motor.
The gland 3 is connected with a rotor 10 of the motor, so that the rotor 10 rotates to drive the gland 3 to rotate, and the gland 3 can further drive the reflecting prism 2 to rotate.
In order to improve the stability of the relative position between the reflection prism 2 and the rotor 10, in some examples, the rotor 10 includes a cylindrical housing 10a, and a first protrusion 10b is provided at an outer edge of the housing 10 a.
The first end of the reflection prism 2 is sleeved on the rotor 10 of the motor through the center hole (S101 a), including:
s101aa, the first end of the reflection prism 2 is sleeved on the housing 10a through the central hole.
S101ab, the end face of the first end of the reflection prism 2 is supported on the first projection 10 b.
The first projection 10b may be an annular structure provided along the outer edge of the housing 10 a.
The end face of the first end of the reflecting prism 2 is supported on the first protrusion 10b, and the reflecting prism 2 can be driven to rotate by the rotation of the first protrusion 10b under the action of the gland 3.
Connecting the gland 3 to the rotor 10 of the motor (S103 a), including:
s103aa, connecting the gland 3 with the shell 10 a.
The gland 3 is connected with the shell 10a, and the rotation of the shell 10a can drive the gland 3 to rotate.
In some examples, the gland 3 includes a sleeve 30, a first end of the sleeve 30 is provided with a connecting portion 32, and an outer edge of a second end of the sleeve 30 is provided with a second protrusion 34.
The pressing cover 3 presses the second end of the reflection prism 2 (S102 a), including:
s102a1, the first end of the sleeve 30 is placed in the central bore.
The diameter of the outer edge of the sleeve 30 is smaller than the diameter of the central hole, and in one example, the diameter of the outer edge of the sleeve 30 may be slightly smaller than the diameter of the central hole, so that the sleeve 30 can provide circumferential positioning for the reflection prism 2 to improve the stability of the installation of the reflection prism 2 and the rotor 10.
S102a2, the second projection 34 presses on the end face of the second end of the reflection prism 2.
The second protrusion 34 may be an annular structure formed along the outer edge of the second end of the sleeve 30, so that the contact area between the second protrusion 34 and the second end surface of the reflection prism 2 may be increased, and thus, the pressure on the second end surface of the reflection prism 2 may be reduced, which may help to improve the reliability and the service life of the reflection prism 2, and prevent the reflection prism 2 from being damaged due to too much pressure.
The gland 3 is connected to the housing 10a (S103 aa), and includes: the connecting portion 32 is connected to the housing 10 a.
The connecting portion 32 and the housing 10a may be connected by a fastener such as a screw or a bolt, or may be connected by welding.
To facilitate adjustment of the angle between the axis of the reflecting prism 2 and the axis of the rotor 10, in some instances,
before the first end of the sleeve 30 is placed in the central hole (S102 a 1), the method further includes:
the first elastic member 4 is installed between the connection portion 32 and the housing 10 a.
The first elastic member 4 may be a component which is made of an elastic material and is easily deformed by an external force. The threaded fastener may be a screw, bolt, or the like.
The number of the first elastic members 4 may be at least one, and the first elastic members 4 are provided between the connection portion 32 and the housing 10a, which may improve the stability of the installation of the gland 3 with the housing 10 a.
The connecting portion 32 is connected to the housing 10a, and includes: the connecting portion 32 and the housing 10a are connected by a threaded fastener.
Be equipped with first elastic component 4 between connecting portion 32 and casing 10a to connecting portion 32 and casing 10a are connected through the fastener that takes the screw thread, can be equipped with the through-hole on connecting portion 32, are equipped with the screw hole on casing 10a, install the elastic gasket between connecting portion 32 and casing 10a, and the screw is worn to locate through-hole, elastic gasket and screw hole, makes gland 3 and casing 10a fixed connection.
In addition to the first elastic member 4 provided between the connection portion 32 and the housing 10a, the connection portion 32 and the housing 10a are connected by a threaded fastener, so that the fastener provided with the elastic member can be adjusted to change the angle of the cover 3 with respect to the housing 10a, and further, the change of the angle of the cover 3 can change the angle of the reflecting prism 2, thereby adjusting the angle of the axis of the reflecting prism 2 with respect to the axis of the housing 10 a.
The number of first elastic members 4 may be equal to the number of threaded fasteners.
In some examples, the number of the threaded fasteners may be six, the six threaded fasteners are uniformly distributed along the circumference, each of the threaded fasteners is sleeved with the first elastic member 4, when the angle between the axis of the reflection prism 2 and the axis of the housing 10a is larger, the pressing cover 3 may slightly deflect toward the housing 10a by adjusting one or more of the threaded fasteners, for example, by screwing one of the threaded fasteners, and the deflection of the pressing cover 3 drives the reflection prism 2 to deflect, that is, the angle between the axis of the reflection prism 2 and the axis of the housing 10a changes, so as to achieve the purpose of adjusting the angle between the axis of the reflection prism 2 and the axis of the housing 10 a.
In some examples, before the end surface of the first end of the reflection prism 2 is supported on the first protrusion 10b (S101 ab), further comprising: a second elastic member 5 is installed between the end surface of the first end of the reflection prism 2 and the first protrusion 10 b.
The second elastomer may be made of a rubber material.
The second elastic member 5 is disposed to stably connect the first end of the reflecting prism 2 and the first protrusion 10b of the housing 10a and also to protect the reflecting prism 2, in which case the reflecting prism 2 is made of a glass material, in one example, in which case the second elastic member 5 protects the reflecting prism 2 made of a glass material to prevent the reflecting prism 2 from being damaged; in addition, the second elastic member 5 also has an anti-slip function, when the housing 10a drives the reflection prism 2 to rotate, the reflection prism 2 tends to slide relative to the housing 10a, and due to the existence of the second elastic member 5, the friction force between the reflection prism 2 and the housing 10a is increased, so that the reflection prism 2 rotates synchronously with the housing 10a, and the reliability of the laser scanning device of the embodiment is improved.
The present application further includes a third embodiment, which is substantially the same as the above embodiments, except that in the installation method of the present embodiment, the rotating mechanism 1 is a motor, the reflecting prism 2 is provided with a central hole, and the first end of the reflecting prism 2 is sleeved on the rotor 10 of the motor through the central hole; a third bulge is arranged on the inner edge of the reflecting prism 2;
the third protrusion may be a ring-shaped structure formed along the inner edge of the reflection prism 2.
Wherein, place the reflection prism on rotary mechanism (S101), include:
s101b, the first end of the reflection prism 2 is sleeved on the rotor 10 of the motor through the central hole.
The description of the motor and the reflection prism in this step is similar to that of the motor and the reflection prism in the above embodiments, and is not repeated here.
After the first end of the reflection prism is sleeved on the rotor of the motor through the central hole (S101 b), the method further includes:
s101c, the end face of the first end of the third protrusion is supported on the rotor 10 of the motor.
The first end of the third protrusion is the end close to the rotor 10 of the electrical machine and the second end of the third protrusion is the end far from the rotor 10 of the electrical machine.
The pressing cover 3 presses the reflecting prism 2 (S102), including:
s102b, pressing the gland on the end face of the second end of the third protrusion.
In this embodiment, since the third protrusion is disposed on the inner edge of the reflection prism 2, the end surface of the first end of the third protrusion is supported on the rotor 10 of the motor, and the gland 3 is pressed on the end surface of the second end of the third protrusion, the axial length of the laser scanning device of this embodiment can be shortened.
In some examples, the gland 3 comprises a cylinder, and a fourth protrusion in a ring shape is arranged on the outer edge of the second end of the cylinder;
the gland 3 is pressed against the end surface of the second end of the third projection (S102 b), including:
s102b1, placing the first end of the column in the central hole formed by the third bulge.
The first end of the column body can be a section of the column body between the upper end surface of the column body and a section of the column body, and the second end of the column body can be a section of the column body between the upper end surface of the column body and the other end surface of the column body and a section of the column body. In order to save the axial length of the column body, the fourth bulge is arranged on the outer edge of the second end of the column body close to the end face.
The first end of the cylinder is arranged in the central hole formed by the third bulge, so that the first end of the cylinder can provide circumferential positioning for the central hole formed by the third bulge so as to improve the mounting stability of the reflecting prism 2.
S102b2, the fourth projection presses on the end face of the second end of the third projection.
Connecting the gland 3 to the rotor 10 of the motor (S103 a) includes: the first end of the cylinder is connected to the rotor 10 of the motor.
In order to provide more precise circumferential positioning of the central aperture formed by the third projection, in some instances the cylinder is provided with a central aperture; a positioning column is arranged on the end face of the rotor 10;
after the first end of the cylinder is placed in the central hole formed by the third protrusion (S102 b 1), the method further includes:
the positioning column is arranged in the central hole of the column body in a penetrating mode.
The positioning column may be a rotating shaft on the rotor 10, or may be a column disposed on an end surface of the rotor 10.
The end face of the first end of the third projection is supported on the rotor 10 of the electric machine, comprising: the end face of the first end of the third projection rests on the end face of the rotor 10.
In order to facilitate adjustment of the angle between the axis of the reflection prism 2 and the axis of the rotor 10, in some examples, before the fourth protrusion presses the end face of the second end of the third protrusion (S102 b 2), the method further includes: a third resilient member is mounted between the first end of the cylinder and the end face of the rotor 10.
The number of the third elastic members may be at least one, and the third elastic members are disposed between the first end of the cylinder and the end surface of the rotor 10, which may improve the stability of the installation of the gland 3 with the housing 10 a.
After the fourth projection is pressed against the end face of the second end of the third projection (S102 b 2), the method further includes: the first end of the cylinder is connected to the end face of the rotor 10 by threaded fasteners.
Except that a third elastic member is provided between the first end of the cylinder and the end surface of the rotor 10, the first end of the cylinder is connected to the end surface of the rotor 10 by a threaded fastener, so that the fastener provided with the elastic member can be adjusted to change the angle of the gland 3 with respect to the rotor 10, and further, the change of the angle of the gland 3 changes the angle of the reflecting prism 2, thereby adjusting the angle of the axis of the reflecting prism 2 with the axis of the housing 10 a.
The number of the third elastic members may be equal to the number of the threaded fasteners.
In some examples, the number of the threaded fasteners may be six, the six threaded fasteners are uniformly distributed along the circumference, each of the threaded fasteners is sleeved with a third elastic member, when the angle between the axis of the reflection prism 2 and the axis of the rotor 10 is large, the gland 3 may slightly deflect towards the rotor 10 by adjusting one or more of the threaded fasteners, for example, screwing one of the threaded fasteners, and the deflection of the gland 3 drives the reflection prism 2 to deflect, that is, the angle between the axis of the reflection prism 2 and the axis of the rotor 10 changes, so as to achieve the purpose of adjusting the angle between the axis of the reflection prism 2 and the axis of the rotor 10.
In some examples, before the end surface of the first end of the third protrusion is supported on the rotor 10 of the motor, the method further includes: a fourth elastic member is provided between the end surface of the first end of the third protrusion of the reflection prism 2 and the end surface of the rotor 10.
The fourth elastomer may be made of a rubber material.
The fourth elastic member is disposed to stably connect the end surface of the first end of the third protrusion with the end surface of the rotor 10 and also to protect the reflecting prism 2, in one example, the reflecting prism 2 is made of a glass material, in which case the fourth elastic member can protect the reflecting prism 2 made of a glass material to prevent the reflecting prism 2 from being damaged; in addition, the fourth elastic member also has an anti-slip function, when the rotor 10 drives the reflection prism 2 to rotate, the reflection prism 2 tends to slide relative to the rotor 10, and due to the existence of the fourth elastic member, the friction force between the reflection prism 2 and the rotor 10 is increased, so that the reflection prism 2 rotates synchronously with the rotor 10, and the reliability of the laser scanning device of the embodiment is improved.
In some embodiments, whether the scanning track of the laser scanning apparatus of this embodiment is in the best state can be tested by a dedicated testing apparatus, specifically, the laser scanning apparatus of this embodiment of the present application can be placed at a fixed position, and the reflection prism 2 can be rotated manually, so as to ensure that light of the emission light source in the testing apparatus can be received by the receiving device in the testing apparatus through reflection, and if the light cannot be received, the angle of the glass prism can be finely adjusted by adjusting the first elastic member 4 between the connecting portion 32 and the housing 10a, or the threaded fastener at the third elastic member between the first end of the cylinder and the end face of the rotor 10, until the light can be received, and finally, a rotating prism structure which is easy to process and convenient to assemble is realized.
It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
All the embodiments in the present specification are described in a related manner, and the same and similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (20)
1. A laser scanning device, comprising: the reflection prism is pressed on the rotation mechanism through a pressing cover, and the pressing cover is connected with the rotation mechanism.
2. The laser scanning device according to claim 1, wherein the rotating mechanism is a motor, the reflecting prism is provided with a central hole, and a first end of the reflecting prism is sleeved on a rotor of the motor through the central hole; the gland is pressed at the second end of the reflecting prism and connected with the rotor of the motor.
3. The laser scanning device according to claim 2, wherein the rotor includes a cylindrical housing, and a first protrusion is provided at an outer edge of the housing;
the first end of the reflecting prism is sleeved on the shell through the central hole; the end face of the first end of the reflecting prism is supported on the first protrusion; the gland is connected with the shell.
4. The laser scanning device of claim 3, wherein the gland comprises a sleeve, a first end of the sleeve is provided with a connecting portion, the first end of the sleeve is arranged in the central hole, and the connecting portion is connected with the shell;
a second bulge is arranged on the outer edge of the second end of the sleeve; the second protrusion presses on an end face of the second end of the reflection prism.
5. The laser scanning device according to claim 4, wherein a first elastic member is provided between the connecting portion and the housing; the connecting part and the shell are connected through a threaded fastener.
6. The laser scanning device according to claim 3, wherein a second elastic member is provided between an end surface of the first end of the reflection prism and the first projection.
7. The laser scanning device according to claim 1, wherein the rotating mechanism is a motor, the reflecting prism is provided with a central hole, and a first end of the reflecting prism is sleeved on a rotor of the motor through the central hole;
a third bulge is arranged on the inner edge of the reflecting prism, and the end face of the first end of the third bulge is supported on the rotor of the motor; the gland is pressed on the end face of the second end of the third protrusion and connected with the rotor of the motor.
8. The laser scanning device of claim 7, wherein the gland comprises a cylinder;
the first end of the column body is arranged in a central hole formed by the third bulge;
and a fourth bulge is arranged on the outer edge of the second end of the column body and pressed on the end surface of the second end of the third bulge.
9. The laser scanning device of claim 8, wherein the cylinder is provided with a central hole;
the end face of the rotor is provided with a positioning column, the end face of the first end of the third bulge is supported on the end face of the rotor, and the positioning column penetrates through the central hole of the column body.
10. The laser scanning device according to claim 9, wherein a third elastic member is provided between the first end of the cylinder and the end surface of the rotor; the first end of the post is connected with the end face of the rotor through a threaded fastener.
11. The laser scanning device according to claim 9, wherein a fourth elastic member is provided between an end surface of the first end of the third projection of the reflection prism and an end surface of the rotor.
12. A laser scanning device according to any one of claims 1 to 11, wherein the material of the reflecting prism is glass.
13. A laser range radar, comprising: a laser transmitter, a receiver and a laser scanning device as claimed in any one of the preceding claims 1 to 12;
the laser transmitter is used for generating and transmitting a first laser beam;
the laser scanning device is used for receiving the first laser beam and reflecting the first laser beam to a measured object; the second laser beam is a light beam reflected by the measured object from the first laser beam;
the receiver is configured to receive the second laser beam.
14. A method of mounting a laser scanning device, comprising:
placing a reflecting prism on a rotating mechanism;
the gland is pressed on the reflecting prism;
and connecting the gland with the rotating mechanism.
15. The mounting method according to claim 14, wherein the rotating mechanism is a motor, and the reflecting prism is provided with a central hole;
wherein, place the reflection prism on rotary mechanism, include: the first end of the reflecting prism is sleeved on the rotor of the motor through the central hole;
the cover presses on the reflection prism, including: the gland presses the second end of the reflecting prism;
the connecting the gland with the rotating mechanism comprises: and connecting the gland with a rotor of the motor.
16. The mounting method according to claim 15, wherein the rotor includes a cylindrical housing having a first protrusion provided at an outer periphery thereof;
the first end of reflection prism passes through centre bore cover is located on the rotor of motor, include:
the first end of the reflecting prism is sleeved on the shell through the central hole;
the end face of the first end of the reflecting prism is supported on the first protrusion;
the will the gland with the rotor of motor links to each other, includes: connecting the gland to the housing.
17. The method of mounting of claim 16, wherein the gland comprises a sleeve, a first end of the sleeve being provided with the connecting portion, an outer edge of a second end of the sleeve being provided with the second protrusion;
the cover presses on the second end of the reflection prism, including:
the first end of the sleeve is placed in the central hole;
the second protrusion is pressed on the end face of the second end of the reflection prism;
said attaching a gland to said housing comprising: connecting the connecting portion with the housing.
18. The mounting method according to claim 14, wherein the rotating mechanism is a motor, the reflecting prism is provided with a central hole, and the first end of the reflecting prism is sleeved on a rotor of the motor through the central hole; a third bulge is arranged on the inner edge of the reflecting prism;
wherein, place the reflection prism on rotary mechanism, include: the first end of the reflecting prism is sleeved on the rotor of the motor through the central hole;
after the first end of reflection prism passes through the centre bore cover is located on the rotor of motor, still include: the end face of the first end of the third protrusion is supported on a rotor of the motor;
the cover presses on the reflection prism, including:
the gland presses on the end face of the second end of the third protrusion.
19. The method of installing of claim 18 wherein the gland comprises a cylindrical body having a fourth annular projection on an outer edge of the second end of the cylindrical body;
the gland presses on the end face of the second end of the third protrusion, and includes:
the first end of the column body is placed in a central hole formed by the third bulge;
the fourth bulge is pressed on the end surface of the second end of the third bulge;
the connecting the gland with the rotor of the motor comprises: connecting the first end of the cylinder with a rotor of the motor.
20. The method of mounting of claim 19, wherein the post is provided with a central bore; a positioning column is arranged on the end face of the rotor;
after the first end of the column is placed in the central hole formed by the third bulge, the method further comprises the following steps:
the positioning column penetrates through the central hole of the column body;
the end face of the first end of the third protrusion is supported on the rotor of the motor, and includes:
the end face of the first end of the third projection is supported on the end face of the rotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110401242.1A CN113176552A (en) | 2021-04-14 | 2021-04-14 | Laser scanning device, laser range radar, and method for mounting laser scanning device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110401242.1A CN113176552A (en) | 2021-04-14 | 2021-04-14 | Laser scanning device, laser range radar, and method for mounting laser scanning device |
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| CN113176552A true CN113176552A (en) | 2021-07-27 |
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Application publication date: 20210727 |