CN205384012U - Separation and reunion locking device of small -size theodolite bracket - Google Patents
Separation and reunion locking device of small -size theodolite bracket Download PDFInfo
- Publication number
- CN205384012U CN205384012U CN201620119277.0U CN201620119277U CN205384012U CN 205384012 U CN205384012 U CN 205384012U CN 201620119277 U CN201620119277 U CN 201620119277U CN 205384012 U CN205384012 U CN 205384012U
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- China
- Prior art keywords
- ring
- axle
- locking device
- small
- screw rod
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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- Mechanical Operated Clutches (AREA)
Abstract
The utility model discloses a separation and reunion locking device of small -size theodolite bracket is used for worm wheel and axle locking each other, the worm wheel is engaged with the worm screw, epaxial follow is last to be equipped with worm wheel and friction washer to overlapping in proper order down, its three is inserted to the base inside by the bottom of base, separation and reunion locking device includes the screw rod, locking clamping ring and clamp ring, the clamp ring is located the worm wheel top, and the snare is located epaxially in it, the outer lane of clamp ring holds in the inner circle of locking clamping ring, the screw rod is connected with the locking clamping ring, when screw rod locking clamping ring, the clamp ring is risen by the oppression, thereby make the worm wheel sticis the zonulae occludens of friction washer realization and axle. The utility model discloses a side direction locking mechanism to in the during operation downstream, do not occupy the space of its top, therefore can vacate the superjacent air space and be used for installing parts such as circuit board, thereby make the structure of whole theodolite bracket less, conveniently carry.
Description
Technical field
This utility model relates to a kind of equatorial, particularly relates to the clutch locking device of a kind of small-sized theodolite bracket, belongs to astronomical, field of measuring technique.
Background technology
Theodolite clutch locking device is for mutually locking worm gear and axle so that worm gear and axle maintain static, and motor drives worm screw to rotate around worm gear, thus driving drift angle mechanism to pivot.
Theodolite clutch locking device common at present includes retaining mechanism and friction plate etc., retaining mechanism and friction plate and adopts the mode of axially directly locking, thus the structure of clutch locking device is relatively big, and then increases the volume of theodolite bracket.
Such as application number is 201210319491.7, the applying date is " the bracket load protection governor motion " of 2012.08.31, the base adjusting part of it lens cone seat adjusting part including top and bottom, wherein, base adjusting part is provided with bracket load protection governor motion, this bracket load protection governor motion includes axle, this lower axle is fixing with base plate to be connected, equipped with one first needle roller thrust bearing between swivel plate and base plate, a nylon washer is had between swivel plate and locking nut, in order to reduce the friction between swivel plate and locking nut, and described locking nut is the strength for governor motor load.Lower axle is also equipped with a clutch discs, clutch discs and lower axle are fixed, equipped with friction plate between clutch discs and helical gear, this friction plate can increase the friction between helical gear and clutch discs, equipped with a needle roller thrust bearing between helical gear and handwheel, the effect of this needle roller thrust bearing is to reduce the friction between handwheel and helical gear.By this bracket load protection governor motion, user can pass through handwheel and regulate the size of protection, successfully realizes protection and separates with motor load power, and ensures the properly functioning of bracket.
Above locking mode adopts the mode of axially directly locking, and whole mechanism is relatively big, does not meet the requirement in intensive space.
Utility model content
In order to solve above-mentioned technical problem, the purpose of this utility model is in that to provide the clutch locking device of a kind of small-sized theodolite bracket, and it adopts the mode of lateral locking, it is possible to saves the parts such as space mounting circuit board, thus reduces the volume of theodolite bracket.
To achieve these goals, the technical solution of the utility model is as follows:
nullA kind of clutch locking device of small-sized theodolite bracket,This small-sized theodolite bracket includes support arm connected vertically and base，Described support arm and base are attached to a panel，This clutch locking device is for mutually locking worm gear and axle，Described worm gear and worm engaging，Described axle is arranged with described worm gear and friction washer from top to bottom successively，Its three is inserted into described chassis interior by the bottom of described base，Described clutch locking device includes screw rod、Locking pressure ring and clamp ring，Described clamp ring is positioned at above described worm gear，And its inner ring is sheathed on described axle，The outer ring of described clamp ring is contained in the inner ring of described locking pressure ring，Described screw rod is connected with described locking pressure ring，When described screw rod locks described locking pressure ring，Described clamp ring suffers oppression rising，So that described worm gear presses described friction washer realizes the compact siro spinning technology with described axle.
Preferably, described base and the restriction plate being positioned at above described chassis interior form a restriction space, described restriction plate offers an opening, and extends the locating dowel of a hollow to the direction of described base.
Preferably, described axle includes pedestal and is fixedly arranged on the body shaft above described pedestal, described worm gear and friction washer are sheathed on the pedestal of described axle from top to bottom successively, and three is positioned at described restriction space, a trim ring it is provided with in the top groove of described worm gear, described trim ring is sheathed in described locating dowel simultaneously, and the top end face of described trim ring contacts with the bottom face of described restriction plate.
Preferably, opening on the body shaft described restriction plate of traverse of described axle, and it is arranged with lower cushion block, described clamp ring, upper cushion block and nut, described nut and the pedestal formation clamping state of described axle from bottom to up successively, it is connected thus realizing axle with the fixing of described base.
Preferably, described locking pressure ring has the two ends of separation, often end is equipped with a contiguous block, wherein, one contiguous block is provided with internal thread hole, being provided with unthreaded hole on another contiguous block, the inner ring of described locking pressure ring includes a taper surface one, and the outer ring of described clamp ring is provided with the taper surface two matched with described taper surface one.
Preferably, described screw rod is inserted in two described contiguous blocks, and is threadeded with described locking pressure ring by its threaded portion, and when described screw rod is tightened, the two ends of described locking pressure ring are approached mutually, and described clamp ring can be forced to rise.
By above technical scheme, the clutch locking device of the small-sized theodolite bracket that this utility model provides, it is lateral retaining mechanism, and operationally move downward, it is not take up the space above it, thus superjacent air space can be vacated for parts such as mounting circuit boards, so that the structure of whole theodolite bracket is less, it is convenient for carrying.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model architectural feature and technical essential, below in conjunction with the drawings and specific embodiments, this utility model is described in detail.
Fig. 1 is the structural representation of a kind of small-sized theodolite bracket disclosed in this utility model embodiment；
Fig. 2 is the part-structure schematic diagram of a kind of small-sized theodolite bracket disclosed in this utility model embodiment；
Fig. 3 is the sectional view of the clutch locking device of a kind of small-sized theodolite bracket disclosed in this utility model embodiment；
Fig. 4 is the part-structure schematic diagram of a kind of small-sized theodolite bracket disclosed in this utility model embodiment；
Fig. 5 is the structural representation of the axle disclosed in this utility model embodiment；
Fig. 6 is the structural representation of the clutch locking device disclosed in this utility model embodiment and other parts；
Fig. 7 is the structural representation of the clutch locking device disclosed in this utility model embodiment and other parts；
Fig. 8 is the structural representation of the locking pressure ring disclosed in this utility model embodiment；
Fig. 9 is the structural representation of the clamp ring disclosed in this utility model embodiment；
Figure 10 is the structural representation of the clutch locking device disclosed in this utility model embodiment.
Description of reference numerals: 11-support arm, 12-base, 121-limits plate, 122-opening, 13-panel, 14-worm gear, 15-axle, 151-pedestal, 152-body shaft, 16-worm screw, 17-friction washer, 18-clutch locking device, 181-screw rod, 182-locks pressure ring, 182a-contiguous block, 183-clamp ring, 19-plane needle bearing, 20-lower cushion block, the upper cushion block of 21-.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the present embodiment, the technical scheme in embodiment is carried out specifically, describes clearly and completely.
This utility model provides the clutch locking device of a kind of small-sized theodolite bracket, shown in Figure 1, this small-sized theodolite bracket includes support arm 11 connected vertically and base 12, support arm 11 and base 12 are attached to a panel 13, support arm 11, base 12 and panel 13 three form the basic profile of theodolite bracket, install each parts of theodolite bracket in the inner space that three is formed；
Shown in Fig. 2-10, this clutch locking device 18 is for mutually locking worm gear 14 and axle 15, and worm gear 14 engages with worm screw 16, and axle 15 is arranged with worm gear 14 and friction washer 17 from top to bottom successively, and it is internal that its three is inserted into base 12 by the bottom of base 12；
Clutch locking device 18 includes screw rod 181, locking pressure ring 182 and clamp ring 183, clamp ring 183 is positioned at above worm gear 14, and its inner ring is sheathed on axle 15, the outer ring of clamp ring 183 is contained in the inner ring of locking pressure ring 182, screw rod 181 is connected with locking pressure ring 182, when screw rod 181 locking locking pressure ring 182, clamp ring 183 suffers oppression risings, realizes and the compact siro spinning technology of axle 15 so that worm gear 14 presses friction washer 17.
Shown in Figure 4, base 12 and the restriction plate 121 being positioned at base 12 inner upper form a restriction space K, restriction plate 121 offers an opening 122, and extends the locating dowel 123 of a hollow to the direction close to base 12.
Shown in Fig. 2-7, axle 15 includes pedestal 151 and is fixedly arranged on the body shaft 152 above pedestal 151, worm gear 14 and friction washer 17 are sheathed on the pedestal 151 of axle 15 from top to bottom successively, and three is positioned at restriction space K, a plane needle bearing 19 it is provided with in the top groove of worm gear 14, plane needle bearing 19 is sheathed in locating dowel 123 simultaneously, and the top end face of 19 contacts with the bottom face of restriction plate 121.
Shown in Figure 4, opening 122 on the body shaft 152 traverse restriction plate 121 of axle 15, and it is arranged with lower cushion block 20, clamp ring 183, upper cushion block 21 and nut 22 from bottom to up successively, the pedestal 151 of nut 22 and axle 15 forms clamping state, is connected thus realizing axle 15 with the fixing of base 12.
Shown in Fig. 8-10, locking pressure ring 182 has the two ends of separation, often end is equipped with a contiguous block 182a, wherein, one contiguous block is provided with internal thread hole, being provided with unthreaded hole on another contiguous block, the inner ring of locking pressure ring 182 includes taper surface one 182b, and the outer ring of clamp ring 183 is provided with taper surface two 183a matched with taper surface one 182b.Screw rod 181 is inserted in two contiguous block 182a, and is threadeded with locking pressure ring 182 by its threaded portion, and when screw rod 181 is tightened, the two ends of locking pressure ring 182 are approached mutually, and clamp ring 183 can be forced to rise.
nullThe clutch locking device 18 that this utility model provides is operationally，Tighten screw rod 181，The two ends of locking pressure ring 182 suffer oppression and mutually approach，So，The inner space of locking pressure ring 182 diminishes，Taper surface one 182b of locking pressure ring 182 forces clamp ring 183 to move upward further，Owing to the top ends of axle 15 is locked by nut 22，And upper cushion block 21 and nut 22 are the rigid elements of metal，Thus upper cushion block 21 and nut 22 reserve space essentially without deforming，Thus be merely able to below slot milling to clamp ring 183，Owing to friction washer 17 is elastic flexible material，Thus by compression thus providing downward space to clamp ring 183，After friction washer 17 pressurized，End force increases，Thus the frictional force between the frictional force substantially increased between the pedestal 151 of axle 15 and friction washer 17 and friction washer 17 and worm gear 14，And then the pedestal 151 realizing worm gear 14 and axle 15 is tightly fastened.Meanwhile, plane needle bearing can ensure that the smooth rotation between worm gear 14 and base 12.
In sum, owing to clutch locking device is lateral retaining mechanism, and operationally move downward, it is not take up the space above it, thus superjacent air space can be vacated for parts such as mounting circuit boards, so that the structure of whole theodolite bracket is less, it is convenient for carrying.
Above-mentioned detailed description of the invention; it is only explanation technology of the present utility model design and architectural feature; purpose is in that the stakeholder being familiar with technique can be implemented according to this; but above said content is not limiting as protection domain of the present utility model; every any equivalence made according to spirit of the present utility model changes or modifies, and all should fall within protection domain of the present utility model.
Claims (6)
1. a clutch locking device for small-sized theodolite bracket, this small-sized theodolite bracket includes support arm connected vertically and base, and described support arm and base are attached to a panel, this clutch locking device is for mutually locking worm gear and axle, described worm gear and worm engaging, it is characterised in that
Described axle is arranged with described worm gear and friction washer from top to bottom successively, its three is inserted into described chassis interior by the bottom of described base, described clutch locking device includes screw rod, locking pressure ring and clamp ring, described clamp ring is positioned at above described worm gear, and its inner ring is sheathed on described axle, the outer ring of described clamp ring is contained in the inner ring of described locking pressure ring, described screw rod is connected with described locking pressure ring, when described screw rod locks described locking pressure ring, described clamp ring suffers oppression rising, so that described worm gear presses described friction washer realizes the compact siro spinning technology with described axle.
2. the clutch locking device of the small-sized theodolite bracket of one according to claim 1, it is characterized in that, described base and the restriction plate being positioned at above described chassis interior form a restriction space, described restriction plate offers an opening, and extends the locating dowel of a hollow to the direction of described base.
3. the clutch locking device of the small-sized theodolite bracket of one according to claim 2, it is characterized in that, described axle includes pedestal and is fixedly arranged on the body shaft above described pedestal, described worm gear and friction washer are sheathed on the pedestal of described axle from top to bottom successively, and three is positioned at described restriction space, being provided with a trim ring in the top groove of described worm gear, described trim ring is sheathed in described locating dowel simultaneously, and the top end face of described trim ring contacts with the bottom face of described restriction plate.
4. the clutch locking device of the small-sized theodolite bracket of one according to claim 2, it is characterized in that, opening on the body shaft described restriction plate of traverse of described axle, and it is arranged with lower cushion block, described clamp ring, upper cushion block and nut from bottom to up successively, described nut and the pedestal formation clamping state of described axle, be connected thus realizing axle with the fixing of described base.
5. the clutch locking device of the small-sized theodolite bracket of one according to claim 4, it is characterized in that, described locking pressure ring has the two ends of separation, often end is equipped with a contiguous block, wherein, a contiguous block is provided with internal thread hole, another contiguous block is provided with unthreaded hole, the inner ring of described locking pressure ring includes a taper surface one, and the outer ring of described clamp ring is provided with the taper surface two matched with described taper surface one.
6. the clutch locking device of the small-sized theodolite bracket of one according to claim 5, it is characterized in that, described screw rod is inserted in two described contiguous blocks, and threadeded with described locking pressure ring by its threaded portion, when described screw rod is tightened, the two ends of described locking pressure ring are approached mutually, and described clamp ring can be forced to rise.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620119277.0U CN205384012U (en) | 2016-02-06 | 2016-02-06 | Separation and reunion locking device of small -size theodolite bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620119277.0U CN205384012U (en) | 2016-02-06 | 2016-02-06 | Separation and reunion locking device of small -size theodolite bracket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205384012U true CN205384012U (en) | 2016-07-13 |
Family
ID=56349699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620119277.0U Withdrawn - After Issue CN205384012U (en) | 2016-02-06 | 2016-02-06 | Separation and reunion locking device of small -size theodolite bracket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205384012U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105627983A (en) * | 2016-02-06 | 2016-06-01 | 南通斯密特森光电科技有限公司 | Clutch locking device of small theodolite bracket |
-
2016
- 2016-02-06 CN CN201620119277.0U patent/CN205384012U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105627983A (en) * | 2016-02-06 | 2016-06-01 | 南通斯密特森光电科技有限公司 | Clutch locking device of small theodolite bracket |
| CN105627983B (en) * | 2016-02-06 | 2018-06-15 | 南通斯密特森光电科技有限公司 | A kind of clutch locking device of small-sized theodolite bracket |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160713 Effective date of abandoning: 20180615 |