CN105241481B - A kind of laser detector and its prism fixing device - Google Patents
A kind of laser detector and its prism fixing device Download PDFInfo
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- CN105241481B CN105241481B CN201510644205.8A CN201510644205A CN105241481B CN 105241481 B CN105241481 B CN 105241481B CN 201510644205 A CN201510644205 A CN 201510644205A CN 105241481 B CN105241481 B CN 105241481B
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- laser
- prism
- entrance aperture
- mounting groove
- fixing device
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Abstract
The invention discloses a kind of laser detector and its prism fixing device, wherein prism fixing device includes device body, device body includes bottom wall, front side wall and rear wall, bottom wall is provided with the first mounting structure for being used for fixing the first block prism, the second mounting structure for fixing the second block prism, front side wall is provided with first laser entrance aperture, second laser entrance aperture, rear wall is provided with first laser perforation hole, second laser perforation hole, first laser entrance aperture is coaxially disposed with first laser perforation hole, second laser entrance aperture is coaxially disposed with second laser perforation hole, first laser entrance aperture, the centerline axis parallel of second laser entrance aperture.Entrance aperture and the axiality of perforation hole, the first entrance aperture and the depth of parallelism of the central axis of the second entrance aperture ensure by machining accuracy.When mounted, directly first and second block prism is installed in corresponding mounting structure, without regulation, eliminates governor motion and governing loop, install convenient.
Description
Technical field
The present invention relates to a kind of laser detector and its prism fixing device.
Background technology
Block prism is the core component of laser detector, the accurate position and side installed and keep block prism
To, be ensure detection means performance basic place.The fixation of block prism is the important content for adjusting laser detector,
Solve being loaded, clamp, fixing and adjusting for block prism.From a structural point, existing block prism fixing device is generally included：
The parts such as main frame, D translation base, three-dimensional adjustable shelf, accurate prism platform, detent mechanism, locking mechanism.Existing cube edge
Mirror fixing device is primarily present problems with：It is that mechanism is more first, cost is higher；It is that regulation is cumbersome in addition, it is difficult to be adjusted to
The technical requirements such as the required depth of parallelism, perpendicularity and axiality；And stability is poor, after mixing up, slightly big vibration or
Person's environmental change, required technical requirements cannot be met again, need to be readjusted；It is unfavorable for the industrialization production of product.
The content of the invention
It is an object of the invention to provide a kind of prism fixing device, to solve the rib used in existing laser detector
The technical problem for the depth of parallelism and the axiality requirement that mirror fixture structure is complicated, be difficult required for being adjusted to.It is simultaneously of the invention
A kind of laser detector using the prism fixing device is also provided.
In order to realize the above object a kind of technical scheme of prism fixing device is as follows in the present invention：Prism fixing device
Including device body, device body includes bottom wall, front side wall and rear wall, and the bottom wall, front side wall and rear wall, which are surrounded, to be used for
The installing space of block prism is installed, the bottom wall, which is provided with, to be used to first cube passed through for laser testing light beam is fixedly mounted
First mounting structure of prism, the second installation knot for the second block prism passed through for reference laser light light beam to be fixedly mounted
Structure, first mounting structure, the second mounting structure are respectively provided with the supporting plane for supporting corresponding block prism, it is described before
Left and right is interval with the first laser entrance aperture passed through for laser testing light beam, pass through for reference laser light light beam second on the wall of side
Laser light incident hole, the rear wall be provided with first laser perforation hole, second laser perforation hole, the first laser entrance aperture with
The first laser perforation hole is coaxially disposed, and the second laser entrance aperture is coaxially disposed with second laser perforation hole, and described
One laser light incident hole, the centerline axis parallel of second laser entrance aperture.
The bottom wall, front side wall and rear wall enclose the U-type groove structure for being set as left and right insertion.
First mounting structure is the first opening up mounting groove, and second mounting structure is opening up the
Two mounting grooves.
The first installation base, the second installation base are integrally formed with the bottom wall, first mounting groove is arranged on first
On installation base, described second mounting groove is arranged on the second installation base.
Supporting plane on first mounting groove, the second mounting groove is in same level.
The prism fixing device also includes releasable connection and is fixed first cube in being used on described device body
First hold-down mechanism of prism and the second hold-down mechanism for being fixed the second block prism.
Laser detector of the present invention is adopted the following technical scheme that：Laser detector includes prism fixing device, prism
Fixing device includes device body, and device body includes bottom wall, front side wall and rear wall, the bottom wall, front side wall and rear wall
Surround the installing space for installing block prism, block prism include the first block prism passed through for laser testing light beam and
The second block prism passed through for reference laser light light beam, the bottom wall, which is provided with, to be used to be fixedly mounted the first of the first block prism
Mounting structure, the second mounting structure for the second block prism to be fixedly mounted, first mounting structure, the second mounting structure
Left and right on the supporting plane for supporting corresponding block prism, the front side wall is respectively provided with to be interval with for laser testing light beam
The first laser entrance aperture passed through, the second laser entrance aperture passed through for reference laser light light beam, the rear wall are provided with first
Laser emitting hole, second laser perforation hole, the first laser entrance aperture are coaxially disposed with the first laser perforation hole, described
Second laser entrance aperture is coaxially disposed with second laser perforation hole, in the first laser entrance aperture, second laser entrance aperture
Heart diameter parallel.
The bottom wall, front side wall and rear wall enclose the U-type groove structure for being set as left and right insertion.
First mounting structure is the first opening up mounting groove, and second mounting structure is opening up the
Two mounting grooves.
The first installation base, the second installation base are integrally formed with the bottom wall, first mounting groove is arranged on first
On installation base, described second mounting groove is arranged on the second installation base, the branch on first mounting groove, the second mounting groove
Plane is supportted to be in same level.
Beneficial effects of the present invention：Prism fixing device of the present invention is a machined tower structure, first
Laser light incident hole and the axiality of the axiality, second laser entrance aperture and second laser perforation hole of first laser perforation hole are to lean on
What machining accuracy ensured, the depth of parallelism of the first entrance aperture and the central axis of the second entrance aperture is also to ensure by machining.
The coplane degree of the flatness of supporting plane on first and second mounting groove and two supporting planes is ensured by processing.Therefore,
When first and second block prism is installed, directly first and second block prism is installed in corresponding mounting groove, without adjusting
Section, eliminates governor motion and governing loop, install convenient, and stability is good when using in the later stage.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of laser detector of the present invention；
Fig. 2 is the structural representation of the embodiment of prism fixing device of the present invention；
Fig. 3 is Fig. 2 exploded perspective view；
Fig. 4 be prism fixing device of the present invention embodiment in device body structural representation；
Fig. 5 is laser detector fundamental diagram of the present invention.
Embodiment
The embodiment of laser detector of the present invention：As Figure 1-5, laser detector includes prism fixing device,
Prism fixing device includes the device body 20 of frame-type, and device body 20 includes bottom wall 10, front side wall 12 and rear wall 1, bottom
Wall 10, front side wall 12 and rear wall 1 enclose the U-type groove structure for being set as left and right insertion, form the installation sky for installing block prism
Between.Block prism includes the first block prism 11 passed through for laser testing light beam and stood for reference laser light light beam passes through second
Square glass prism 6.The first installation base 9, the second installation base 13 are integrally formed with bottom wall 10, the first installation base 9 is provided with opening
The first mounting groove 15 upward, the second installation base 13 is provided with the second opening up mounting groove 14.First mounting groove, second
Mounting groove is respectively provided with the supporting plane for supporting corresponding block prism, and supporting plane is by corresponding first mounting groove or second
The groove bottom wall of mounting groove is formed.Supporting plane on first mounting groove, the second mounting groove is in same level.First installs
Groove, the opening up notch size of the upper end of the second mounting groove are adapted to the size of corresponding block prism lower end.First peace
The technology groove 17 for being used to step down when installing block prism extended up and down is equipped with tankage, the corner of the second mounting groove, just
In installation block prism.
On front side wall 12 left and right be interval with pass through for laser testing light beam first laser entrance aperture 8, for reference laser light
The second laser entrance aperture 7 that light beam passes through.Rear wall 1 is provided with first laser perforation hole 16, second laser perforation hole 3, first
Laser light incident hole 8 is coaxially disposed with first laser perforation hole 16, second laser entrance aperture 7 with second laser perforation hole 3 is coaxial sets
Put.The central axis B of first laser entrance aperture 8, the central axis A of second laser entrance aperture 7 are parallel.First laser entrance aperture 8
Central axis is parallel with supporting plane with the beam plane residing for the central axis of second laser entrance aperture 7.First and second laser enters
Perforation and first and second laser emitting hole are counterbore.It is provided with lens, the first perforation hole and is provided with first and second entrance aperture
There are detection lens in detector lens 25, detector lens.Light path detector 30 is installed at second perforation hole.
Prism fixing device also includes releasable connection and is fixed the first block prism 11 in being used on device body
First hold-down mechanism and the second hold-down mechanism for being fixed the second block prism 6.First hold-down mechanism, the second compacting machine
Structure is identical in the present embodiment for structure.First hold-down mechanism includes tabletting 2, the connecting portion of tabletting 2 including two ends and to recessed
Compressed part.The two ends of tabletting 2 are fixed by screws in forward and backward side wall upper part respectively.Hold-down column 4 is threaded with compressed part,
The second block prism 6 can be compressed by adjusting hold-down column 4, its relative position is fixed.
When mounted, first device body is placed on the workbench of smooth stabilization, it is careful the first block prism 11,
Second block prism 6 is arranged in corresponding mounting groove, and mounting groove is precision machined, can guarantee that block prism is just placed on
In mounting groove, it is unlikely to produce the deviation all around with level.Then briquetting 5 is placed on corresponding block prism, successively
First and second hold-down mechanism is installed, hold-down column 4 is threaded in tabletting 2 in advance.Adjust hold-down column 4 and ensure first and second cube
Prism is fixed reliable.Corresponding lens, light path detector 30 etc. are finally installed again.
The operation principle of laser detector of the present invention, block diagram as shown in Figure 5：Laser sends two beam laser signals,
Respectively laser detection light beam and reference laser light light beam, laser detection light beam pass through the first block prism, detection lens directive mesh
Thing is marked, reflects, laser detection light beam is turned again on the first block prism, reflexes on the second block prism, so through object
Laser detection light beam directive light path detector together with reference laser light beam interference afterwards.By light path detector 30, light is captured
The change of the parameters such as phase, then by decoding, such signal is decoded into needs by amplifier amplification by software and chip
Detect signal.
Prism fixing device is the U-shaped frame processed a rack and panel construction in the present invention, first laser entrance aperture and the
The axiality of the axiality in one laser emitting hole, second laser entrance aperture and second laser perforation hole is ensured by machining accuracy
, the depth of parallelism of the first entrance aperture and the central axis of the second entrance aperture is also to ensure by machining.First and second mounting groove
On the flatness of supporting plane and the coplane degree of two supporting planes be by processing ensure.Therefore, first and second is being installed
When block prism, directly first and second block prism is installed in corresponding mounting groove, without regulation, regulation is eliminated
Mechanism and governing loop, install convenient, stability is good when using in the later stage, and environmental suitability is strong.
In other embodiments, the structure of device body also can install convex on the basis of above-described embodiment first and second
The dividing plate of fore-and-aft direction extension is reserved between platform, the U-shaped installing space of block prism two are separated into by dividing plate, respectively
Two block prisms of correspondence.In order that the reflected beams of laser detection light beam can be injected on the second block prism, can be with
The light beam of left and right insertion is set on dividing plate by hole, or the position less than the reflected beams that the height of dividing plate is set.
In other embodiments, first and second installation base can be not provided with, can be directly by first and second mounting groove the bottom of at
Processed on wall, so reserved bottom wall thickness of needs is thicker, and weight is big.
In other embodiments, the first hold-down mechanism can be distinguished the two ends of elastic pressuring plate using an elastic pressuring plate
It is fixed by screws on the wall of front and rear sides, fixes after elastic pressuring plate, using the elastic compression of tabletting in block prism upper end,
Also it can adapt to the compression requirement of the block prism in the range of certain altitude.In other embodiments, the first hold-down mechanism can be with
Using a pressing plate, one end of pressing plate is hinged end, and the other end is compression end, and the compression end of pressing plate is pressed in corresponding block prism
On, torsion spring is provided with hinged end, by the elastic force of torsion spring, compression end is pressed in block prism upper end.
In other embodiments, the first mounting structure can not also use the form of groove, be fixed using two vertical side plates
Link together, make the vertical side connection of adjacent of two side plates, an orthogonal bending plate is formed, curved
The bottom plate of level is set below hardened structure, and when installing the first block prism, two side plates of bending plate can be to cube edge
Mirror plays a part of positioning, and supporting plane is formed by the substrate.Second mounting structure can be identical with the first mounting structure.
The embodiment of prism fixing device of the present invention, the structure of prism fixing device and the rib in above-mentioned laser detector
The structure of mirror fixing device is identical, and embodiment is no longer described in detail.
Claims (10)
1. a kind of prism fixing device, including device body, device body includes bottom wall, front side wall and rear wall, the bottom wall,
Front side wall and rear wall surround the installing space for installing block prism, it is characterised in that：The bottom wall, which is provided with, to be used for admittedly
Dingan County fills the first mounting structure of the first block prism passed through for laser testing light beam, supplies reference laser light light for being fixedly mounted
Second mounting structure of the second block prism that beam passes through, first mounting structure, the second mounting structure are respectively provided with for branch
Support on the supporting plane of corresponding block prism, the front side wall left and right and be interval with first passed through for laser testing light beam and swash
Incident light hole, the second laser entrance aperture passed through for reference laser light light beam, the rear wall is provided with first laser perforation hole, the
Dual-laser perforation hole, the first laser entrance aperture is coaxially disposed with the first laser perforation hole, and the second laser is incident
Hole is coaxially disposed with second laser perforation hole, the first laser entrance aperture, the centerline axis parallel of second laser entrance aperture.
2. prism fixing device according to claim 1, it is characterised in that：The bottom wall, front side wall and rear wall, which enclose, to be set
Into the U-type groove structure of left and right insertion.
3. prism fixing device according to claim 1, it is characterised in that：First mounting structure is opening up
First mounting groove, second mounting structure is the second opening up mounting groove.
4. prism fixing device according to claim 3, it is characterised in that：The first installation is integrally formed with the bottom wall convex
Platform, the second installation base, first mounting groove are arranged on the first installation base, and described second mounting groove is arranged on the second peace
Fill on boss.
5. the prism fixing device according to claim 3 or 4, it is characterised in that：First mounting groove, the second mounting groove
On supporting plane be in same level on.
6. the prism fixing device according to Claims 1-4 any one, it is characterised in that：The prism fixing device
Also include releasable connection to be fixed the first hold-down mechanism of the first block prism in being used on described device body and be used for
It is fixed the second hold-down mechanism of the second block prism.
7. laser detector, including prism fixing device, it is characterised in that：Prism fixing device includes device body, device
Body includes bottom wall, front side wall and rear wall, and the bottom wall, front side wall and rear wall surround the installation for installing block prism
Space, block prism includes the first block prism passed through for laser testing light beam and stood for reference laser light light beam passes through second
Square glass prism, the bottom wall, which is provided with, is used for the first mounting structure of the first block prism of fixed installation, for being fixedly mounted second
Second mounting structure of block prism, first mounting structure, the second mounting structure are respectively provided with for supporting corresponding cube
Left and right is interval with the first laser entrance aperture passed through for laser testing light beam, supplied on the supporting plane of prism, the front side wall
The second laser entrance aperture that reference laser light light beam passes through, the rear wall is provided with first laser perforation hole, second laser outgoing
Hole, the first laser entrance aperture is coaxially disposed with the first laser perforation hole, and the second laser entrance aperture swashs with second
Light perforation hole is coaxially disposed, the first laser entrance aperture, the centerline axis parallel of second laser entrance aperture.
8. laser detector according to claim 7, it is characterised in that：The bottom wall, front side wall and rear wall, which enclose, to be set
Into the U-type groove structure of left and right insertion.
9. laser detector according to claim 7, it is characterised in that：First mounting structure is opening up
First mounting groove, second mounting structure is the second opening up mounting groove.
10. laser detector according to claim 9, it is characterised in that：The first installation is integrally formed with the bottom wall
Boss, the second installation base, first mounting groove are arranged on the first installation base, and described second mounting groove is arranged on second
On installation base, the supporting plane on first mounting groove, the second mounting groove is in same level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510644205.8A CN105241481B (en) | 2015-10-08 | 2015-10-08 | A kind of laser detector and its prism fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510644205.8A CN105241481B (en) | 2015-10-08 | 2015-10-08 | A kind of laser detector and its prism fixing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105241481A CN105241481A (en) | 2016-01-13 |
| CN105241481B true CN105241481B (en) | 2017-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510644205.8A Active CN105241481B (en) | 2015-10-08 | 2015-10-08 | A kind of laser detector and its prism fixing device |
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| Country | Link |
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| CN (1) | CN105241481B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109375337B (en) * | 2018-11-16 | 2021-10-08 | 上海禾赛科技有限公司 | Prism fixed knot constructs |
| CN109613516B (en) * | 2018-11-16 | 2021-12-14 | 上海禾赛科技有限公司 | Laser radar optical assembly mounting bracket |
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| US6361177B2 (en) * | 1999-11-02 | 2002-03-26 | Fujitsu Denso Ltd. | Optical device fixing device |
| US6873479B2 (en) * | 2003-04-30 | 2005-03-29 | Eastman Kodak Company | Mounting bracket for a clear aperture of the base face of a prism |
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| CN1577526A (en) * | 2003-07-23 | 2005-02-09 | 株式会社三协精机制作所 | Fixing structure of optical elements and optical head apparatus |
| CN201177505Y (en) * | 2008-02-26 | 2009-01-07 | 西安华科光电有限公司 | Laser module group |
| CN101236076A (en) * | 2008-02-29 | 2008-08-06 | 成都工具研究所 | Laser angle interferometry system possessing standard angle rotating platform and its measurement method |
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