CN209910593U - Optical fiber coupler height measuring instrument - Google Patents
Optical fiber coupler height measuring instrument Download PDFInfo
- Publication number
- CN209910593U CN209910593U CN201920698587.6U CN201920698587U CN209910593U CN 209910593 U CN209910593 U CN 209910593U CN 201920698587 U CN201920698587 U CN 201920698587U CN 209910593 U CN209910593 U CN 209910593U
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- base
- optical fiber
- fiber coupler
- measuring instrument
- height measuring
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Abstract
The utility model discloses an optical fiber coupler height measuring instrument, establish the base that the cavity is the cuboid structure in including, the upper surface middle part of base is close to one end joint and has the ascending C shaped steel slide rail of opening, and sliding connection has the rectangle slider in the spout of C shaped steel slide rail, the upper surface middle part spiro union of rectangle slider has the sighting rod, and the top of sighting rod is provided with the lug, the one end that C shaped steel slide rail was kept away from to the upper surface of base is provided with angle of elevation adjusting device, and angle of elevation adjusting device's top is provided with laser emitter, and the bottom of base is close to four corners and all is provided with the supporting leg, open the centre of lug has the mounting hole, and the joint has optical fiber coupler in the. The utility model discloses can adjust the distance between sighting rod to the laser emitter through revolving the knob of twisting the base upper surface, the cooperation diameter is less than driven gear's driving gear far away to the precision of regulation has been improved greatly.
Description
Technical Field
The utility model relates to a height measurement technical field especially relates to an optical fiber coupler height measuring instrument.
Background
When the existing height measuring instrument is used, different operators have different measuring data generated during measuring operation, the measuring data of the existing height measuring instrument is different from person to person, and other auxiliary tools are required to assist the height measuring instrument in measuring operation, so that the measuring precision of the measuring instrument is influenced.
The searched Chinese patent No. CN201711476517.8 discloses a tree height measuring device and a tree height measuring method. The tree height measuring device comprises a standard indicating rod and an angle measurer, wherein at least one pair of measuring mark points are arranged on the peripheral wall of the standard indicating rod, and a straight line formed by connecting each pair of measuring mark points is parallel to the axis of the standard indicating rod. The tree height measuring method can only carry out calculation by frequently replacing angles and substituting into a formula, has high requirements on angle measurement, cannot carry out measurement for multiple times and can obtain an average value, and the form is single.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing an optical fiber coupler height measuring instrument.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an optical fiber coupler altitude measuring instrument, establishes the base that the cavity is the cuboid structure in including, the upper surface middle part of base is close to one end joint and has the ascending C shaped steel slide rail of opening, and sliding connection has the rectangle slider in the spout of C shaped steel slide rail, the upper surface middle part spiro union of rectangle slider has the sighting rod, and the top of sighting rod is provided with the lug, the one end that C shaped steel slide rail was kept away from to the upper surface of base is provided with angle of elevation adjusting device, and angle of elevation adjusting device's top is provided with laser emitter, and the bottom of base is close to four corners and all is provided with.
Preferably, the middle of the bump is provided with a mounting hole, and the optical fiber coupler is clamped in the mounting hole.
Preferably, the middle part of the upper surface of the rectangular sliding block is provided with a first screw hole, and the bottom end of the marker post is reserved with a stud matched with the first screw hole.
Preferably, the elevation angle adjusting device comprises two arc-shaped side plates which are parallel to each other, the middle parts of one sides, opposite to the two arc-shaped side plates, of the two arc-shaped side plates are connected with rotating shafts in a rotating mode, the laser transmitters are fixed between the end portions of the two rotating shafts, and angle scales and locking devices are arranged on the arc-shaped side plates.
Preferably, one side that the upper surface of base is close to C shaped steel slide rail inlays and is equipped with the chi strip, and the upper surface of base is provided with the spirit level.
Preferably, the middle of the rectangular sliding block is provided with a second screw hole penetrating left and right, a screw rod is screwed in the second screw hole, bearing plates are arranged at the bottom of the C-shaped steel sliding rail close to the two ends, and bearings matched with the smooth surfaces at the two ends of the screw rod are clamped in the bearing plates.
Preferably, the lead screw is close to laser emitter's a key-type connection and has driven gear, and the upper surface of base is opened near driven gear's oblique top has the bearing mounting hole, and the equal joint in both ends of bearing mounting hole has conical roller bearing, rotates between two conical roller bearings to be connected with same root circle pole, and the both ends of circle pole are fixed with knob and driven gear intermeshing's driving gear respectively.
Compared with the prior art, the utility model provides an optical fiber coupler height measuring instrument possesses following beneficial effect:
1. through the lead screw and the knob that set up to can adjust the distance between sighting rod to laser emitter through revolving the knob of twisting the base upper surface, the cooperation diameter is less than driven gear's driving gear far away, thereby has improved the precision of adjusting greatly.
2. Through setting up the fiber coupler of joint in the middle mounting hole of lug to whether can detect light and pass the position of predetermineeing in the middle of the lug when laser emitter projects light near the lug, if the light position coincide with predetermineeing the position then fiber coupler is touched and can send out the police dispatch newspaper.
3. Through the gliding rectangle slider in the C shaped steel slide rail that sets up to the rectangle slider forms certain resistance with the frictional force of the inner wall of C shaped steel slide rail, thereby can keep fixed can not the shift position when the rectangle slider does not slide, improves measurement accuracy.
The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses simple structure, high portable and the installation of measurement accuracy.
Drawings
Fig. 1 is a schematic cross-sectional structural diagram of an optical fiber coupler height measuring instrument according to the present invention;
fig. 2 is a schematic perspective view of a C-shaped steel slide rail of an optical fiber coupler height measuring instrument according to the present invention;
fig. 3 is an enlarged schematic structural diagram of a point a in fig. 1 of an optical fiber coupler height measuring apparatus according to the present invention.
In the figure: the device comprises a base 1, a driven gear 2, a bearing plate 3, a C-shaped steel slide rail 4, a lead screw 5, a rectangular slide block 6, a mark post 7, a bump 8, a stud 9, a knob 10, a driving gear 11, a level gauge 12, a ruler 13, a laser emitter 14, a support leg 15 and a bearing mounting hole 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Example 1
Referring to fig. 1, the optical fiber coupler height measuring instrument comprises a base 1 with a cuboid structure and a cavity arranged inside, a C-shaped steel slide rail 4 with an upward opening is clamped at one end of the middle part of the upper surface of the base 1, and a rectangular sliding block 6 is connected in the sliding groove of the C-shaped steel sliding rail 4 in a sliding way, the friction force between the rectangular sliding block 6 and the inner wall of the C-shaped steel sliding rail 4 forms a certain resistance, so that the rectangular sliding block 6 can be kept fixed and can not move when not sliding, the middle part of the upper surface of the rectangular sliding block 6 is screwed with a post 7, and the top end of the marker post 7 is provided with a convex block 8, one end of the upper surface of the base 1 far away from the C-shaped steel slide rail 4 is provided with an elevation angle adjusting device, and the top of the elevation angle adjusting device is provided with a laser emitter 14, the bottom of the base 1 is provided with supporting legs 15 near four corners, and the leg length of the supporting legs 15 can be adjusted.
The utility model discloses in, it has the mounting hole to open in the middle of lug 8, and the joint has optical fiber coupler in the mounting hole to can detect whether light passes the position of predetermineeing in the middle of lug 8 when laser emitter 14 projects light near lug 8, if the light position with predetermine the position coincide then optical fiber coupler touched and can send out the police dispatch newspaper.
Wherein, the middle part of the upper surface of the rectangular sliding block 6 is provided with a first screw hole, and the bottom end of the marker post 7 is reserved with a stud 9 matched with the first screw hole, so that the marker post 7 is convenient to mount, dismount or replace, and the portability of the device is improved.
Wherein, elevation angle adjusting device includes two arc curb plates that are parallel to each other, and two arc curb plates one side middle parts relative all rotate and be connected with the pivot, and laser emitter 14 fixes between the tip of two pivots, is equipped with angle scale and locking device on the arc curb plate to can be after angle modulation the position locking with laser emitter 14 fast.
Wherein, one side that the upper surface of base 1 is close to C shaped steel slide rail 4 inlays and is equipped with chi strip 13, and the upper surface of base 1 is provided with spirit level 12.
Example 2
Referring to fig. 1-3, in this embodiment, compared with embodiment 1, the optical fiber coupler height measuring instrument further includes a rectangular slider 6, a second screw hole penetrating through left and right sides is formed in the middle of the rectangular slider 6, a lead screw 5 is screwed in the second screw hole, both ends of the lead screw 5 are set to be smooth surfaces for being clamped with a bearing, bearing plates 3 are disposed at both ends of the bottom of the C-shaped steel slide rail 4, bearings matched with the smooth surfaces at both ends of the lead screw 5 are clamped in the bearing plates 3, one end of the lead screw 5 close to a laser emitter 14 is keyed with a driven gear 2, a bearing mounting hole 16 is formed in the upper surface of the base 1, which is close to the upper oblique portion of the driven gear 2, conical roller bearings are clamped at both ends of the bearing mounting hole 16, and can bear axial force to prevent the round bar from moving up and down, the same round bar is rotatably connected between the two conical roller bearings, driving gears 11, which are mutually meshed with a knob 10 and, the driving gear 11 and the driven gear 2 are both bevel gears.
The working principle is as follows: when the height measuring device is used, if a building needs to be subjected to height measurement, the device is firstly placed out of a set distance away from the building, then the supporting legs 15 on the lower surface of the base 1 are adjusted while the level 12 on the upper surface of the base 1 is watched, until the level of a level display device is horizontal, then a proper angle is selected according to the distance to adjust the angle of a laser emitter 14, after the angle is adjusted, a switch of a light coupler at the top end of a mark post 7 is opened, then a knob 10 at the top end of a round post is slowly screwed, when the knob 10 rotates, a screw rod 5 is slowly rotated under the driving of a driving gear 11 and a driven gear 2 which are mutually meshed, at the moment, a rectangular sliding block 6 and the mark post 7 are driven to move, when the light position is matched with a preset position, an optical fiber coupler is triggered to give an alarm, then the height of the building can be calculated through the law of similar triangle, if the measured data are sensed to have deviation, the moving distance and the elevation angle can be measured again for averaging.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides an optical fiber coupler altitude measuring instrument, establishes base (1) that the cavity is the cuboid structure in including, its characterized in that, the upper surface middle part of base (1) is close to one end joint and has opening ascending C shaped steel slide rail (4), and sliding connection has rectangle slider (6) in the spout of C shaped steel slide rail (4), the upper surface middle part spiro union of rectangle slider (6) has sighting rod (7), and the top of sighting rod (7) is provided with lug (8), the one end that C shaped steel slide rail (4) were kept away from to the upper surface of base (1) is provided with angle of elevation adjusting device, and angle of elevation adjusting device's top is provided with laser emitter (14), and the bottom of base (1) is close to four corners and all is provided with supporting leg (15).
2. The optical fiber coupler height measuring instrument according to claim 1, wherein a mounting hole is formed in the middle of the bump (8), and the optical fiber coupler is clamped in the mounting hole.
3. The optical fiber coupler height measuring instrument according to claim 1, wherein a first screw hole is formed in the middle of the upper surface of the rectangular sliding block (6), and a stud (9) matched with the first screw hole is reserved at the bottom end of the mark post (7).
4. The optical fiber coupler height measuring instrument according to claim 1, wherein the elevation angle adjusting device comprises two arc-shaped side plates parallel to each other, a rotating shaft is rotatably connected to the middle of the opposite side of each arc-shaped side plate, the laser emitter (14) is fixed between the end portions of the two rotating shafts, and the arc-shaped side plates are provided with angle scales and locking devices.
5. An optical fiber coupler height measuring instrument according to any one of claims 1 to 4, characterized in that a ruler strip (13) is embedded on one side of the upper surface of the base (1) close to the C-shaped steel slide rail (4), and a level (12) is arranged on the upper surface of the base (1).
6. The optical fiber coupler height measuring instrument according to claim 1, wherein a second screw hole penetrating through the left and right sides is formed in the middle of the rectangular sliding block (6), a screw rod (5) is screwed in the second screw hole, bearing plates (3) are arranged on the groove bottom of the C-shaped steel sliding rail (4) close to the two ends, and bearings matched with the smooth surfaces at the two ends of the screw rod (5) are clamped in the bearing plates (3).
7. The optical fiber coupler height measuring instrument according to claim 6, wherein a driven gear (2) is connected to one end of the lead screw (5) close to the laser emitter (14) in a keyed mode, a bearing mounting hole (16) is formed in the upper surface of the base (1) close to the driven gear (2) and obliquely above the driven gear, conical roller bearings are clamped at two ends of the bearing mounting hole (16), the same round rod is connected between the two conical roller bearings in a rotating mode, and a driving gear (11) which is meshed with the knob (10) and the driven gear is fixed at two ends of the round rod respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920698587.6U CN209910593U (en) | 2019-05-16 | 2019-05-16 | Optical fiber coupler height measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920698587.6U CN209910593U (en) | 2019-05-16 | 2019-05-16 | Optical fiber coupler height measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209910593U true CN209910593U (en) | 2020-01-07 |
Family
ID=69048102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920698587.6U Expired - Fee Related CN209910593U (en) | 2019-05-16 | 2019-05-16 | Optical fiber coupler height measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209910593U (en) |
-
2019
- 2019-05-16 CN CN201920698587.6U patent/CN209910593U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200107 Termination date: 20200516 |
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| CF01 | Termination of patent right due to non-payment of annual fee |