CN205449649U - Floating worm wheel nut mariages thick stick simultaneous movement device - Google Patents
Floating worm wheel nut mariages thick stick simultaneous movement device Download PDFInfo
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- CN205449649U CN205449649U CN201620176991.3U CN201620176991U CN205449649U CN 205449649 U CN205449649 U CN 205449649U CN 201620176991 U CN201620176991 U CN 201620176991U CN 205449649 U CN205449649 U CN 205449649U
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- nut
- worm gear
- load
- screw
- bearing frame
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Abstract
The utility model relates to a floating worm wheel nut mariages thick stick simultaneous movement device sets up on combined loading complete sets's mariages thick stick, including motor, load frame, worm wheel nut, worm, radially keep off ring sum axial spacing ring. The utility model discloses a floating worm wheel nut mariages thick stick simultaneous movement device has following advantage: 1 )The fitting limit of combined loading testpieces has been enlarged, 2 )Adopt single motor drive to guarantee synchronous operation, 3 )The testpieces installation is nimble convenient, and the loading procedure does not have the jamming, 4 ) simple structure, low in manufacturing cost.
Description
Technical field
This utility model belongs to combined loading test technical field, particularly relates to a kind of floating type worm gear and nut double lead-screw synchronous movement device.
Background technology
Combined Loading complete set of equipments is large-scale loading equipemtn essential to the testing of materials, usually double lead-screw structure, testpieces (usually rod member) can be applied the combined loads such as axial load, intrinsic pressure, external pressure and heating, for the actual condition of simulation test piece.Owing to testpieces length specification is different and it is stepless adjustable to require that Combined Loading complete set of equipments realizes within the specific limits, i.e. realize loading system after the fixing head of Combined Loading complete set of equipments is movable to optional position in moving range to load, axial imposed load.
Additionally, in double lead-screw structure, owing to lead screw transmission belongs to the one of worm drive, in mechanical movement through frequently with, but screw rod work in-process exists mismachining tolerance can make the lead error amount of two screw rods be not the same, two pairing screw rods are many, and I haven't seen you for ages there is the phenomenon mutually pullled and exist.Combined Loading complete set of equipments uses horizontal type structure, and leading screw span has greatly minor deflection, and when mutually pullling strength and being excessive, total there will be asynchronous thus stuck.
Utility model content
The purpose of this utility model is to provide a kind of floating type worm gear and nut double lead-screw synchronous movement device, cannot realize stepless adjustable in order to solve current Combined Loading complete set of equipments, or easily occur arbitrary problem of leading screw clamping stagnation in double lead-screw structure.
For reaching above-mentioned purpose, the technical solution adopted in the utility model is: a kind of floating type worm gear and nut double lead-screw synchronous movement device, is arranged on two leading screws of Combined Loading complete set of equipments, including
Motor, described motor is used for providing power；
Load-bearing frame, described load-bearing frame is this apparatus main body structure, bears load when being used for loading；
Worm gear and nut, described worm gear and nut be placed in described load-bearing frame and and described load-bearing frame between be provided with space, described worm gear and nut is enclosed within the leading screw of described Combined Loading complete set of equipments；
Worm screw, it is provided with helical tooth in the middle part of described worm screw and engages with motor, rotated by worm screw described in described driven by motor, being arranged symmetrically with, along described helical tooth, the helical tooth coordinated with described worm gear and nut on described worm screw and engage with described worm gear and nut, described worm screw passes through bearings on described load-bearing frame；
Radially baffle ring and axial limiting ring, described axial limiting ring is placed in the space between load-bearing frame and worm gear and nut, by load-bearing frame, axial limiting ring and radial direction baffle ring described in screw bolt passes and is connected with radial direction baffle ring.
Further, also include that roller, described roller are placed in described load-bearing frame bottom surface, be used for supporting load-bearing frame.
Further, described radial direction baffle ring and axis spacing ring support the use, and supporting ratio is 1:1's.
Further, the quantity of described radial direction baffle ring is 4.
One of the present utility model floating type worm gear and nut double lead-screw synchronous movement device has the advantages that
A) expand testpieces fitting limit, the stepless adjustable of combined loading test equipment can be realized；
B) testpieces convenient and flexible installation, without clamping stagnation；
C) simple in construction, low cost of manufacture, it is easy to safeguard.
Accompanying drawing explanation
Accompanying drawing herein is merged in description and constitutes the part of this specification, it is shown that meets embodiment of the present utility model, and is used for explaining principle of the present utility model together with description.
Fig. 1 is the front view of the floating type worm gear and nut double lead-screw synchronous movement device of this utility model one embodiment；
Fig. 2 is the top view of the floating type worm gear and nut double lead-screw synchronous movement device of this utility model one embodiment；
Fig. 3 is the enlarged drawing of the part A in Fig. 2 of the present utility model；
Fig. 4 is the floating type worm gear and nut double lead-screw synchronous movement device scheme of installation of this utility model one embodiment.
Wherein, 1-motor, 2-load-bearing frame, 3-worm gear and nut, 4-worm screw, 5-radially baffle ring, 6-axial limiting ring, 7-leading screw.
Detailed description of the invention
Clearer for the purpose making this utility model implement, technical scheme and advantage, below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is further described in more detail.In the accompanying drawings, the most same or similar label represents same or similar element or has the element of same or like function.Described embodiment is a part of embodiment of this utility model rather than whole embodiments.The embodiment described below with reference to accompanying drawing is exemplary type, it is intended to be used for explaining this utility model, and it is not intended that to restriction of the present utility model.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creation type work premise, broadly fall into the scope of this utility model protection.Below in conjunction with the accompanying drawings embodiment of the present utility model is described in detail.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinally ", " laterally ", " front ", " afterwards ", " left ", " right ", " vertically ", " level ", " push up ", " end ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, it is for only for ease of description this utility model and simplifies description, rather than indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that restriction to this utility model protection domain.
As shown in Figures 1 to 4, floating type worm gear and nut double lead-screw telecontrol equipment of the present utility model, including motor 1, load-bearing frame 2, worm gear and nut 3, worm screw 4, radially baffle ring 5 and axial limiting ring 6.Motor 1 is placed on load-bearing frame 2 and fixes with load-bearing frame 2, is the power producer of whole device, is used for providing power.Load-bearing frame 2 is the main framework of device, bears load when load test and is used.Worm gear and nut 3 is the annulus that a kind of inner and outer surfaces all has tooth (or screw thread), the tooth of its inner surface matches with the tooth on leading screw 7 in Combined Loading system, the tooth of outer surface matches with worm screw 4, and worm gear and nut 3 is placed in load-bearing frame 2 inside and also and also has space between load-bearing frame 2.Being provided with helical tooth and part engagement corresponding with on motor 1 in the middle part of worm screw 4, on worm screw 4, the helical tooth along middle part is arranged with the end convolution tooth that the tooth with worm gear and nut 3 outer surface matches, and is fixed on load-bearing frame 2 by bearings.But it should be noted that the kind of drive between motor 1 and worm screw 4 is not limited only to the mode using helical tooth to match, it is also possible to use such as V belt translation, Chain conveyer or other kinds of drive.Radially baffle ring 5 and axial limiting ring 6, radially baffle ring 5 and axial limiting ring 6 use the ratio of 1:1 to support the use, axis spacing ring is placed in the space between worm gear and nut 3 and load-bearing frame 2 and is two (as shown in Figures 2 and 3), limit function on worm gear and nut 3 axially direction (the namely axis direction of leading screw 7), then the space (as shown in Figure 3) between the radial direction and load-bearing frame 2 of worm gear and nut 3 is equipped with radially baffle ring 5, radially baffle ring 5 and axial limiting ring 6 constitute 90 degree of angles, finally with screw bolt passes load-bearing frame 2, axial limiting ring 6 and radially baffle ring 5 also fasten with thread connecting mode with radial direction baffle ring 5.But it is to be noted, space is all also had between axial limiting ring 6 and radial direction baffle ring 5 and worm gear and nut 3, worm gear and nut 3 can be made to form " floating type " for this space in case worm gear and nut 3 operationally clamping stagnation, and the lead error amount mechanically offsetting two leading screws 7 makes structure synchronization move.It addition, be additionally provided with roller (non-label in figure as shown in Figure 4, mid portion is floating type worm gear and nut double lead-screw telecontrol equipment of the present utility model) bottom load-bearing frame 2, roller is used for supporting load-bearing frame 2.
The floating type worm gear and nut specifically used method of double lead-screw telecontrol equipment of the present utility model is: be first placed in by testpieces between the loading end of this device and Combined Loading complete set of equipments, regulate this device afterwards and make its relative motion on leading screw 7, and make testpieces be properly attached between loading end and this device, loading end carries out loading afterwards, and this device can realize testpieces Combined Loading complete set of equipments stepless adjustable in the range of certain length.The operation principle of this device is: motor rotation drives worm screw 4 to rotate, worm screw 4 rotates and then moves the worm gear and nut 3 at two ends by end convolution cingulum and rotates, the tooth of worm gear and nut 3 inner surface coordinates with leading screw 7 and produces relative displacement afterwards, and the most whole device and leading screw 7 also produce relative displacement and realize mobile.
Floating type worm gear and nut double lead-screw telecontrol equipment of the present utility model has the advantages that
A) fitting limit of combined loading test part is expanded；
B) use single motor to drive and ensure synchronous operation；
C) testpieces convenient and flexible installation, loading procedure is without clamping stagnation；
D) simple in construction, low cost of manufacture.
The above; it is only optimum detailed description of the invention of the present utility model; but protection domain of the present utility model is not limited thereto; any those familiar with the art is in the technical scope that this utility model discloses; the change that can readily occur in or replacement, all should contain within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with described scope of the claims.
Claims (4)
1. a floating type worm gear and nut double lead-screw synchronous movement device, is arranged on two leading screws of Combined Loading complete set of equipments, it is characterised in that include
Motor (1), described motor is used for providing power；
Load-bearing frame (2), described load-bearing frame is this apparatus main body structure, bears load when being used for loading；
Worm gear and nut (3), described worm gear and nut be placed in described load-bearing frame and and described load-bearing frame between be provided with space, described worm gear and nut is enclosed within leading screw (7)；
Worm screw (4), it is provided with helical tooth in the middle part of described worm screw and engages with motor, rotated by worm screw described in described driven by motor, being arranged symmetrically with, along described helical tooth, the helical tooth coordinated with described worm gear and nut on described worm screw and engage with described worm gear and nut, described worm screw passes through bearings on described load-bearing frame；
Radially baffle ring (5) and axial limiting ring (6), described axial limiting ring is placed in the space between load-bearing frame and worm gear and nut, by load-bearing frame, axial limiting ring and radial direction baffle ring described in screw bolt passes and is connected with radial direction baffle ring.
Floating type worm gear and nut double lead-screw synchronous movement device the most according to claim 1, it is characterised in that also include that roller, described roller are placed in described load-bearing frame bottom surface, is used for supporting load-bearing frame (2).
Floating type worm gear and nut double lead-screw synchronous movement device the most according to claim 1, it is characterised in that described radial direction baffle ring (5) and axis spacing ring (6) support the use, and supporting ratio is 1:1.
Floating type worm gear and nut double lead-screw synchronous movement device the most according to claim 3, it is characterised in that the quantity of described radial direction baffle ring (5) is 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620176991.3U CN205449649U (en) | 2016-03-08 | 2016-03-08 | Floating worm wheel nut mariages thick stick simultaneous movement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620176991.3U CN205449649U (en) | 2016-03-08 | 2016-03-08 | Floating worm wheel nut mariages thick stick simultaneous movement device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205449649U true CN205449649U (en) | 2016-08-10 |
Family
ID=56606016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620176991.3U Active CN205449649U (en) | 2016-03-08 | 2016-03-08 | Floating worm wheel nut mariages thick stick simultaneous movement device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205449649U (en) |
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2016
- 2016-03-08 CN CN201620176991.3U patent/CN205449649U/en active Active
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| GR01 | Patent grant |