CN207172012U - The dimension adjustment platform of one kind five - Google Patents
The dimension adjustment platform of one kind five Download PDFInfo
- Publication number
- CN207172012U CN207172012U CN201721038373.3U CN201721038373U CN207172012U CN 207172012 U CN207172012 U CN 207172012U CN 201721038373 U CN201721038373 U CN 201721038373U CN 207172012 U CN207172012 U CN 207172012U
- Authority
- CN
- China
- Prior art keywords
- platform
- adjustment
- straight line
- screw mandrel
- horizontal
- Prior art date
- 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.)
- Active
Links
Abstract
The utility model proposes the dimension adjustment platform of one kind five, platform is adjusted including the supreme adjustment stylobate body installed successively in bottom right, vertical adjusting platform, horizontal adjustment platform, pitch regulation platform and azimuth axis, each regulating platform can be realized to be put to the posture of product, is adapted to the needs of product test.And grating scale and dynamic chi are respectively installed between two adjacent regulating platforms, accurately it can be positioned and be adjusted according to the number of degrees of grating scale, realize the purpose precisely tested.
Description
Technical field
It the utility model is related to the dimension adjustment platform of one kind five.
Background technology
At present in the installation to product, according to produced on-site and the needs of product test, often it is required for manually adjusting
The rising of product, declining, the transverse horizontal movement of product and the advance or setback of axis, the posture of product swing,
The posture pitching, the rotation of itself of product etc. of product.Therefore, artificial adjustment is often very troublesome, and do not allow it is easy to operate,
It cannot guarantee that the degree of accuracy of adjustment.
Utility model content
The utility model proposes the dimension adjustment platform of one kind five, the separately adjustable of platform each unit is adjusted by five dimensions, completes product
Various Complex posture synthesis, the adjustment needs being easy in process of producing product.
What the technical solution of the utility model was realized in:
The dimension adjustment platform of one kind five, including the supreme adjustment stylobate body 1 installed successively in bottom right, vertical adjusting platform 2, horizontal tune
Platform 3, pitch regulation platform 4 and azimuth axis regulation platform 5, the vertical adjusting platform 2 is saved to install by vertically modulating mechanism
Drive vertical adjusting platform 2 on adjustment stylobate body 1 in vertical direction on adjustment stylobate body 1, and by vertically modulating mechanism
Move up and down;The horizontal adjustment platform 3 is arranged on vertical adjusting platform 2 by level(l)ing mechanism, and is adjusted by level
Section mechanism driving horizontal adjustment platform 3 moves back and forth in the horizontal direction on vertical adjusting platform 2;The pitch regulation platform 4
One end is arranged in horizontal adjustment platform 3 by pitching adjusting mechanism, and the other end is fixed on water by horizontally disposed rotating shaft 11
On Heibei provincial opera section platform 3, and drive the one end of pitch regulation platform 4 11 to rotate around the shaft by pitching adjusting mechanism, realize that pitching is adjusted
Save platform 4 and 3 inclined angle of horizontal adjustment platform;The azimuth axis adjusts orientation master of the one end of platform 5 by vertical direction
Axle 14 is arranged on pitch regulation platform 4, and the other end is arranged on by position adjusting mechanism on pitch regulation platform 3 and the side of driving
Position main shaft regulation platform 5 rotates around orientation main shaft 14;On azimuth axis regulation platform 5 both ends set respectively one group of roller 6 and
Two rollers of the correspondence position of difference group roller are separately mounted to the both ends of roller bearing 16, and the both ends of roller bearing 16 pass through axle bed branch
Support, the both ends of installation product 7 are respectively placed between every group of roller 6 and by every group of roller supporting, roll governor motion and be arranged on
On azimuth axis regulation platform 5 and roller bearing is driven to rotate.
Preferably, the vertically modulating mechanism coordinates installation elevating screw, the linear bearing installation using linear bearing
On adjustment stylobate body 1, the elevating screw top is fixed on vertical adjusting platform 2, and the machinery of vertical adjusting handwheel 8 is matched somebody with somebody
Close connection elevating screw and drive screw moves up and down in linear bearing;Divide on the vertical adjusting platform 2 and adjustment stylobate body 1
The axis of guide 19 and pilot hole that She You do not coordinate.
Preferably, the level(l)ing mechanism includes the guide rail 10 installed in the surface both ends of vertical adjusting platform 2, the water
The bottom of Heibei provincial opera section platform 3 sets sliding block to coincide guide rail installation;The level(l)ing mechanism also includes straight line screw mandrel, straight line silk
On the bar and bottom of horizontal adjustment platform 3 is respectively equipped with identical latch structure, and the connection of the mechanical engagement of Level tune handwheel 9 is straight
Filament bar simultaneously drives the straight-line displacement in the horizontal direction of straight line screw mandrel, and then realizes horizontal adjustment platform 3 in the table of vertical adjusting platform 2
Face horizontal linear movement.
Preferably, the pitching adjusting mechanism coordinates installation elevating screw using linear bearing, and linear bearing is arranged on water
On Heibei provincial opera section platform 3, elevating screw top is fixed on pitch regulation platform 4, and the mechanical engagement of pitch regulation handwheel 12 connects
Connect elevating screw and drive screw moves up and down in linear bearing.
Preferably, the position adjusting mechanism includes straight line screw mandrel, on straight line screw mandrel and orientation main shaft regulation platform 5 bottom
Identical latch structure is respectively equipped with, the mechanical engagement of azimuth axis adjustment hand wheel mechanism 13 connection straight line screw mandrel simultaneously drives straight line screw mandrel
Straight-line displacement in the horizontal direction, and then realize main shaft regulation platform 5 in orientation on the surface of pitch regulation platform 4 around 14 turns of orientation main shaft
It is dynamic.
Preferably, the rolling governor motion includes straight line screw mandrel, and it is straight to roll the connection of the mechanical engagement of adjustment hand wheel mechanism 15
Filament bar simultaneously drives the straight-line displacement in the horizontal direction of straight line screw mandrel, and straight line screw mandrel and roller bearing 16 are bonded and sticking part is provided with what is coincide
Tooth mouth, the displacement of straight line screw mandrel drive roller bearing 16 to roll.
Preferably, between the adjustment stylobate body 1 and vertical adjusting platform 2, vertical adjusting platform 2 and horizontal adjustment platform
Distinguish between 3, between horizontal adjustment platform 3 and pitch regulation platform 4, between pitch regulation platform 4 and azimuth axis regulation platform 5
The grating scale 20 and dynamic chi 21 to cooperate is designed with, the displacement of dynamic chi is directly shown on grating scale.
Preferably, the bottom of adjustment stylobate body 1 is provided with adjustable matrix support bar 17.
Preferably, the bottom of adjustment stylobate body 1 is provided with roller 18.
Had the beneficial effect that caused by the utility model:Each regulating platform can be realized to be put to the posture of product, is adapted to
The needs of product test., can be according to grating scale and grating scale and dynamic chi are respectively installed between two adjacent regulating platforms
The number of degrees accurately positioned and adjusted, the purpose precisely tested of realization.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of adjustment stylobate body.
Fig. 3 is the schematic top plan view of vertical adjusting platform.
Fig. 4 is the schematic top plan view of horizontal adjustment platform.
Fig. 5 is the schematic top plan view of pitch regulation platform.
Fig. 6 is the structural representation that azimuth axis adjusts platform.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
The dimension of one kind five adjustment platform as shown in figures 1 to 6, including the supreme adjustment stylobate body 1 installed successively in bottom right, vertical adjusting
Platform 2, horizontal adjustment platform 3, pitch regulation platform 4 and azimuth axis regulation platform 5, the vertical adjusting platform 2 is by vertical
Governor motion is arranged on adjustment stylobate body 1, and drives vertical adjusting platform 2 in adjustment stylobate body 1 by vertically modulating mechanism
Moved under upper in the vertical direction;The horizontal adjustment platform 3 is arranged on vertical adjusting platform 2 by level(l)ing mechanism,
And horizontal adjustment platform 3 is driven to be moved back and forth in the horizontal direction on vertical adjusting platform 2 by level(l)ing mechanism;It is described to bow
Face upward regulation one end of platform 4 to be arranged in horizontal adjustment platform 3 by pitching adjusting mechanism, the other end passes through horizontally disposed rotating shaft
11 are fixed in horizontal adjustment platform 3, and drive the one end of pitch regulation platform 4 11 to rotate around the shaft by pitching adjusting mechanism,
Realize pitch regulation platform 4 and 3 inclined angle of horizontal adjustment platform;Described azimuth axis regulation platform 5 one end passes through Vertical Square
To orientation main shaft 14 be arranged on pitch regulation platform 4 on, the other end is arranged on pitch regulation platform 3 by position adjusting mechanism
Go up and drive orientation main shaft regulation platform 5 to be rotated around orientation main shaft 14;Both ends set one respectively on the azimuth axis regulation platform 5
Two rollers of the correspondence position of group roller 6 and different group rollers are separately mounted to the both ends of roller bearing 16, and the both ends of roller bearing 16 lead to
Axle bed support is crossed, the both ends of installation product 7 are respectively placed between every group of roller 6 and by every group of roller supporting, roll regulation machine
Structure is arranged on azimuth axis regulation platform 5 and drives roller bearing to rotate.
Vertically modulating mechanism coordinates installation elevating screw, the linear bearing installation using linear bearing in the utility model
On adjustment stylobate body 1, the elevating screw top is fixed on vertical adjusting platform 2, and the machinery of vertical adjusting handwheel 8 is matched somebody with somebody
Close connection elevating screw and drive screw moves up and down in linear bearing;Divide on the vertical adjusting platform 2 and adjustment stylobate body 1
The axis of guide 19 and pilot hole that She You do not coordinate.
Level(l)ing mechanism includes the guide rail 10 installed in the surface both ends of vertical adjusting platform 2, the horizontal adjustment platform 3
Bottom sets sliding block to coincide guide rail installation;The level(l)ing mechanism also includes straight line screw mandrel, on straight line screw mandrel and horizontal
Regulation platform 3 bottom is respectively equipped with identical latch structure, and the mechanical engagement of Level tune handwheel 9 connection straight line screw mandrel simultaneously drives
Dynamic straight line screw mandrel straight-line displacement in the horizontal direction, and then realize horizontal adjustment platform 3 in the surface horizontal linear of vertical adjusting platform 2
It is mobile.
Pitching adjusting mechanism coordinates installation elevating screw using linear bearing, and linear bearing is arranged on horizontal adjustment platform 3
On, elevating screw top is fixed on pitch regulation platform 4, and the mechanical engagement of pitch regulation handwheel 12 connection elevating screw is simultaneously
Drive screw moves up and down in linear bearing.
Position adjusting mechanism includes straight line screw mandrel, and adjusting the bottom of platform 5 with orientation main shaft on straight line screw mandrel is respectively equipped with kiss
The latch structure of conjunction, the mechanical engagement of azimuth axis adjustment hand wheel mechanism 13 connection straight line screw mandrel simultaneously drive straight line screw mandrel in the horizontal direction
Straight-line displacement, and then realize that orientation main shaft regulation platform 5 rotates on the surface of pitch regulation platform 4 around orientation main shaft 14.
Rolling governor motion includes straight line screw mandrel, rolls the mechanical engagement of adjustment hand wheel mechanism 15 connection straight line screw mandrel and drives
The straight-line displacement in the horizontal direction of straight line screw mandrel, straight line screw mandrel and roller bearing 16 are bonded and sticking part is provided with identical tooth mouth, straight line silk
The displacement of bar drives roller bearing 16 to roll.
Adjust between stylobate body 1 and vertical adjusting platform 2, between vertical adjusting platform 2 and horizontal adjustment platform 3, it is horizontal
It is designed with respectively mutually between regulation platform 3 and pitch regulation platform 4, between pitch regulation platform 4 and azimuth axis regulation platform 5
The grating scale 20 and dynamic chi 21 of cooperation, the displacement of dynamic chi are directly shown on grating scale.Wherein, grating scale is installed to for adjusting
On stylobate body 1, move chi and be arranged on vertical adjusting platform 2, for measuring the displacement of vertical adjusting platform 2;Horizontal survey grating
Chi is arranged on vertical adjusting platform 2, is moved chi and is arranged in horizontal adjustment platform 3, for measuring the position of horizontal adjustment platform 3
Move;During pitch angle measurement, grating scale is arranged in horizontal adjustment platform 3, is moved chi and is arranged on pitch regulation platform 4, passes through survey
Angle of pitch chord length is measured, the angle of pitch can be measured after calculating;During azimuth determination, grating scale is arranged on pitch regulation platform 4
On, move chi and be arranged on azimuth axis regulation platform 5, by measuring azimuth chord length, azimuth can be measured after calculating.
The bottom of adjustment stylobate body 1 is provided with adjustable matrix support bar 17, and the bottom of adjustment stylobate body 1 is provided with roller 18, and four
Individual adjustable matrix support bar 17 can be separately adjustable, completes the Level tune of whole equipment, and be supported;When support bar is withdrawn
Afterwards, by the four rolling 18 on matrix, moving integrally for equipment can be achieved.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc., the utility model should be included in
Protection domain within.
Claims (9)
1. the dimension adjustment platform of one kind five, it is characterised in that including the supreme adjustment stylobate body (1) installed successively in bottom right, vertical adjusting
Platform (2), horizontal adjustment platform (3), pitch regulation platform (4) and azimuth axis regulation platform (5), the vertical adjusting platform
(2) it is arranged on by vertically modulating mechanism on adjustment stylobate body (1), and vertical adjusting platform is driven by vertically modulating mechanism
(2) moved on adjustment stylobate body (1) under in the vertical direction;The horizontal adjustment platform (3) is pacified by level(l)ing mechanism
Horizontal adjustment platform (3) is driven in vertical adjusting platform (2) on vertical adjusting platform (2), and by level(l)ing mechanism
On move back and forth in the horizontal direction;Put down by pitching adjusting mechanism installed in Level tune described pitch regulation platform (4) one end
On platform (3), the other end is fixed in horizontal adjustment platform (3) by horizontally disposed rotating shaft (11), and passes through pitch regulation machine
(11) rotate around the shaft for structure driving pitch regulation platform (4) one end, realize pitch regulation platform (4) and horizontal adjustment platform (3)
Inclined angle;Described azimuth axis regulation platform (5) one end is arranged on pitch regulation by the orientation main shaft (14) of vertical direction
On platform (4), the other end is arranged on pitch regulation platform (3) by position adjusting mechanism and drives orientation main shaft to adjust platform
(5) rotated around orientation main shaft (14);Both ends set one group of roller (6) and different groups respectively on the azimuth axis regulation platform (5)
Two rollers of the correspondence position of roller are separately mounted to roller bearing (16) both ends, and roller bearing (16) both ends are supported by axle bed,
The both ends of installation product (7) are respectively placed between every group of roller (6) and by every group of roller supporting, roll governor motion and be arranged on
On azimuth axis regulation platform (5) and roller bearing is driven to rotate.
2. the dimension of one kind five adjustment platform as claimed in claim 1, it is characterised in that the vertically modulating mechanism uses linear bearing
Coordinate installation elevating screw, the linear bearing is arranged on adjustment stylobate body (1), and the elevating screw top is fixed on vertically
Adjust on platform (2), vertical adjusting handwheel (8) mechanical engagement connects elevating screw and drive screw is above and below linear bearing
Motion;The axis of guide (19) and pilot hole of cooperation are respectively equipped with the vertical adjusting platform (2) and adjustment stylobate body (1).
3. the dimension of one kind five adjustment platform as claimed in claim 1, it is characterised in that the level(l)ing mechanism, which includes being arranged on, to hang down
The guide rail (10) at straight regulation platform (2) surface both ends, horizontal adjustment platform (3) bottom set sliding block to coincide the guide rail peace
Dress;The level(l)ing mechanism also includes straight line screw mandrel, is respectively equipped with straight line screw mandrel with horizontal adjustment platform (3) bottom identical
Latch structure, Level tune handwheel (9) mechanical engagement connection straight line screw mandrel simultaneously drive straight line screw mandrel straight in the horizontal direction
Displacement of the lines, and then realize that horizontal adjustment platform (3) moves in vertical adjusting platform (2) surface horizontal linear.
4. the dimension of one kind five adjustment platform as claimed in claim 1, it is characterised in that the pitching adjusting mechanism uses linear bearing
Coordinate installation elevating screw, linear bearing is arranged in horizontal adjustment platform (3), and elevating screw top is fixed on pitch regulation and put down
On platform (4), simultaneously drive screw moves up and down pitch regulation handwheel (12) mechanical engagement connection elevating screw in linear bearing.
5. the dimension of one kind five adjustment platform as claimed in claim 1, it is characterised in that the position adjusting mechanism includes straight line silk
Bar, on straight line screw mandrel and orientation main shaft regulation platform (5) bottom are respectively equipped with identical latch structure, azimuth axis adjusting handle machine
Structure (13) mechanical engagement connects straight line screw mandrel and drives the straight-line displacement in the horizontal direction of straight line screw mandrel, and then realizes that orientation main shaft is adjusted
Platform (5) is saved to rotate around orientation main shaft (14) on pitch regulation platform (4) surface.
6. the dimension of one kind five adjustment platform as claimed in claim 1, it is characterised in that the rolling governor motion includes straight line silk
Bar, roll adjustment hand wheel mechanism (15) mechanical engagement connection straight line screw mandrel and drive the straight-line displacement in the horizontal direction of straight line screw mandrel,
Straight line screw mandrel and roller bearing (16) fitting and sticking part are provided with identical tooth mouth, and the displacement of straight line screw mandrel drives roller bearing (16) to roll.
7. the dimension of one kind five adjustment platform as claimed in claim 1, it is characterised in that the adjustment stylobate body (1) and vertical adjusting
Between platform (2), between vertical adjusting platform (2) and horizontal adjustment platform (3), horizontal adjustment platform (3) and pitch regulation put down
The grating scale to cooperate is designed between platform (4), between pitch regulation platform (4) and azimuth axis regulation platform (5) respectively
(20) directly shown with dynamic chi (21), the displacement of dynamic chi on grating scale.
8. the dimension of one kind five adjustment platform as claimed in claim 1, it is characterised in that described adjustment stylobate body (1) bottom is provided with
Adjustable matrix support bar (17).
9. the dimension of one kind five adjustment platform as claimed in claim 1, it is characterised in that described adjustment stylobate body (1) bottom is provided with
Roller (18).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721038373.3U CN207172012U (en) | 2017-08-18 | 2017-08-18 | The dimension adjustment platform of one kind five |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721038373.3U CN207172012U (en) | 2017-08-18 | 2017-08-18 | The dimension adjustment platform of one kind five |
Publications (1)
Publication Number | Publication Date |
---|---|
CN207172012U true CN207172012U (en) | 2018-04-03 |
Family
ID=61741486
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201721038373.3U Active CN207172012U (en) | 2017-08-18 | 2017-08-18 | The dimension adjustment platform of one kind five |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN207172012U (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108621105A (en) * | 2018-05-09 | 2018-10-09 | 实用动力(中国)工业有限公司 | 6DOF pivoting part spatial position adjusts system |
CN108645356A (en) * | 2018-05-22 | 2018-10-12 | 哈尔滨理工大学 | A kind of anti-rock optical grating projection device |
CN109781423A (en) * | 2018-12-09 | 2019-05-21 | 西安航天动力试验技术研究所 | It is a kind of can it is multi-faceted adjust engine location running support |
CN110939836A (en) * | 2019-12-11 | 2020-03-31 | 张家港中贺自动化科技有限公司 | Five-dimensional direction adjusting system with gravity compensation mechanism |
CN113770990A (en) * | 2021-08-27 | 2021-12-10 | 武汉普赛斯电子技术有限公司 | Compact precise four-dimensional adjusting platform |
-
2017
- 2017-08-18 CN CN201721038373.3U patent/CN207172012U/en active Active
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108621105A (en) * | 2018-05-09 | 2018-10-09 | 实用动力(中国)工业有限公司 | 6DOF pivoting part spatial position adjusts system |
CN108645356A (en) * | 2018-05-22 | 2018-10-12 | 哈尔滨理工大学 | A kind of anti-rock optical grating projection device |
CN109781423A (en) * | 2018-12-09 | 2019-05-21 | 西安航天动力试验技术研究所 | It is a kind of can it is multi-faceted adjust engine location running support |
CN109781423B (en) * | 2018-12-09 | 2020-11-10 | 西安航天动力试验技术研究所 | Test frame capable of adjusting position of engine in multiple directions |
CN110939836A (en) * | 2019-12-11 | 2020-03-31 | 张家港中贺自动化科技有限公司 | Five-dimensional direction adjusting system with gravity compensation mechanism |
CN110939836B (en) * | 2019-12-11 | 2021-12-03 | 张家港中贺自动化科技有限公司 | Five-dimensional direction adjusting system with gravity compensation mechanism |
CN113770990A (en) * | 2021-08-27 | 2021-12-10 | 武汉普赛斯电子技术有限公司 | Compact precise four-dimensional adjusting platform |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN207172012U (en) | The dimension adjustment platform of one kind five | |
CN105865340B (en) | Rolling linear guide precision self-operated measuring unit and method | |
CN205874931U (en) | Precision measurement road flatness and protruding concave curve's device | |
CN110040431A (en) | Two-row roller pipeline with steering mechanism | |
CN207495750U (en) | Receive the portal frame telecontrol equipment of water floating system automatically for cement section of jurisdiction arc surface | |
CN104352071A (en) | Multifunctional intelligent drawing table | |
CN103063383B (en) | A kind of deflection measuring apparatus of flat display substrate glass | |
CN207072075U (en) | A kind of plastic sheeting calendering formation machine | |
CN106808447A (en) | A kind of steel member bi-directional adjustable detent mechanism | |
CN206420752U (en) | The supporting and regulating device of schlieren system | |
CN106441752B (en) | A kind of hydrostatic slideway rigidity test load maintainer | |
CN107271274A (en) | A kind of Glass fiber reinforced polyester corrugated panels bend degree of disturbing automatic test equipment | |
CN202547612U (en) | Surface roughness measuring device and measuring worktable thereof | |
CN207671401U (en) | A kind of correction flattening mechanism | |
CN106513442B (en) | A kind of high speed plate thickness measure and holding meanss | |
CN106226238B (en) | Support adjusting device of schlieren system and adjusting method thereof | |
CN208333345U (en) | A kind of plastic bottle body verticality test device | |
CN100467234C (en) | Tyre surface line-plotting device | |
CN104897417B (en) | A kind of automotive seat H points test foot pedal regulating system | |
CN205580761U (en) | Locomotive curve analogue test platform | |
CN206208557U (en) | A kind of test bed leveling device of heavy-duty machinery | |
CN203037436U (en) | Flexibility testing device for flat panel display (FPD) substrate glass | |
CN201607210U (en) | Cam measuring instrument | |
CN2513970Y (en) | Machine for applying adhesive and holing on adhesive tape | |
CN205736646U (en) | Rim apparatus for correcting |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |