CN104875168A - Adjustable mounting bracket - Google Patents
Adjustable mounting bracket Download PDFInfo
- Publication number
- CN104875168A CN104875168A CN201510236830.9A CN201510236830A CN104875168A CN 104875168 A CN104875168 A CN 104875168A CN 201510236830 A CN201510236830 A CN 201510236830A CN 104875168 A CN104875168 A CN 104875168A
- Authority
- CN
- China
- Prior art keywords
- screw rod
- screw
- nut
- tray
- pedestal
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/06—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby of trestle type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/14—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for adjusting the bench top
- B25H1/16—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for adjusting the bench top in height
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The present invention provides an adjustable mounting bracket comprising a pedestal which is in fixed manner; a holder block on the pedestal and is used for supporting a working piece; a screw which passes through the pedestal and is threaded on the external surface thereof, the screw being also provided with a jack on the outer circumference thereof, the jack extending radially; plane bearings disposed between the upper part of the screw and the holder block so as to make the screw affixed to the holder block via the plane bearings; a coarse adjustment hand wheel which is connected to the lower portion of the screw to drive the rotation of the screw; a lock pin bolt for inserting to the jack; and a fine tuning mechanism which includes a case body, a worm, a fine tuning hand wheel, and a nut worm gear, wherein the case body is disposed between the holder block and the pedestal and is affixed to the pedestal, the worm passing through the case body with one end protruding out of the case body and the other end embedded inside the case body, the fine adjustment hand wheel being situated outside the case body and being connected to one end of the worm, the nut worm gear being of a hollow structure and arranged inside the case body and constrained for up and down movement, wherein the nut worm gear includes a worm gear which is arranged on the external side of the radial direction, and also includes a nut which is arranged on the internal side of the radial direction and sleeves the screw and is connected to external thread of the screw.
Description
Technical field
The present invention relates to a kind of bracket, particularly relate to a kind of adjustable bracket.
Background technology
Current most of brackets in the application can only with single a kind of speed adjustment tray height.For the bracket of a multiple tray of body, the height needing to adjust respectively each tray when lifting workpiece with make each tray can with workpiece good contact.If now adopt the bracket of traditional single speed, can cause wasting time and energy not in the needs hourly velocity that puts in place fast, or when needs accurate adjustment each tray position, precision is not high again, cannot satisfy the demands.
Summary of the invention
In view of Problems existing in background technology, the object of the present invention is to provide a kind of adjustable bracket, quick coarse adjustment and precise fine-adjustment can be realized, and position adjustment can be carried out for precision easily, carry out the switching of coarse adjustment and accurate adjustment easily.
To achieve these goals, the invention provides a kind of adjustable bracket, it comprises: pedestal, tray, screw rod, plane bearing, coarse adjustment handwheel, safetied pin and micro-adjusting mechanism.
Pedestal maintains static.Tray to be positioned at above pedestal and for supporting workpiece.Screw rod is arranged in pedestal, and outer surface is provided with screw thread, and periphery is provided with the radial jack extended.Plane bearing is arranged between the top of screw rod and tray, is fixedly connected with via plane bearing to make screw rod with tray.Coarse adjustment handwheel is connected to the bottom of screw rod, to drive bolt rotary.Safetied pin, for inserting in jack.Micro-adjusting mechanism comprises: casing, between tray and pedestal, be fixed on pedestal; Worm screw, is arranged in casing and one end is exposed to casing and the other end is positioned at casing; Accurate adjustment handwheel, is positioned at casing outer and be connected to described one end of worm screw; And nut worm wheel.Nut worm wheel is hollow-core construction, is positioned at casing and moves up and down limited, comprising: worm gear is positioned at radial outside; And nut is positioned at radially inner side, is sheathed on screw rod and is threaded with the external screw thread of screw rod.
Wherein, when the position of coarse adjustment tray, take off safetied pin, rotate coarse adjustment handwheel, screw rod is along with coarse adjustment handwheel and by rotating with being threaded of nut and moving up and down, screw rod is connected with tray via plane bearing and drives plane bearing and tray only to move up and down, and realizes coarse adjustment thus; When accurate adjustment tray position, insert safetied pin, safetied pin is connected screw rod with tray, the rotation of restriction screw rod, rotate accurate adjustment handwheel, worm screw is along with the rotation of accurate adjustment handwheel, worm screw drives the worm gear in outside and the nut rotation of inner side of nut worm wheel, nut worm wheel is limited up and down and cannot move up and down (in other words, nut worm wheel only original place rotates), thus nut worm wheel is threaded connection and drives screw rod to move up and down, and then screw rod is connected with tray via plane bearing and drives plane bearing and tray to move up and down, and realizes thus finely tuning.
Beneficial effect of the present invention is as follows: in adjustable bracket according to the present invention, because adopt screw rod, plane bearing, coarse adjustment handwheel, safetied pin and micro-adjusting mechanism, quick coarse adjustment and precise fine-adjustment can be realized, and owing to adopting coarse adjustment handwheel and accurate adjustment handwheel, position adjustment can be carried out easily for precision, by adopting safetied pin and jack, the switching of coarse adjustment and accurate adjustment can be carried out easily.
Accompanying drawing explanation
Fig. 1 is the front view according to adjustable bracket of the present invention;
Fig. 2 is the side view of Fig. 1;
Fig. 3 is the top view of the cross-section of Fig. 1;
Fig. 4 is the magnified partial view of the turbine of nut shown in Fig. 1.
Wherein, description of reference numerals is as follows:
1 pedestal 741 worm gear
2 tray 742 nuts
3 screw rod 743 upper limit portions
31 jack 744 lower limit portions
32 top 75 clutch shaft bearings
4 plane bearing 76 second bearings
5 coarse adjustment handwheel 8 aid in guide mechanisms
6 safetied pins 81 fix guide
7 micro-adjusting mechanism 82 sliding catheters
71 casing 9 protective sleeves
72 worm screw W workpiece
73 accurate adjustment handwheel S screws
74 nut worm wheel C connectors
Detailed description of the invention
Describe in detail with reference to the accompanying drawings according to adjustable bracket of the present invention.
Referring to figs. 1 through Fig. 4, adjustable bracket according to the present invention comprises: pedestal 1, tray 2, screw rod 3, plane bearing 4, coarse adjustment handwheel 5, safetied pin 6 and micro-adjusting mechanism 7.
Pedestal 1 maintains static.
Tray 2 to be positioned at above pedestal 1 and for supporting workpiece W.
Screw rod 3 is arranged in pedestal 1, and outer surface is provided with screw thread, and periphery is provided with the radial jack 31 extended.
Plane bearing 4 is arranged between the top of screw rod 3 and tray 2, is fixedly connected with via plane bearing 4 to make screw rod 3 with tray 2.
Coarse adjustment handwheel 5 is connected to the bottom of screw rod 3, rotates to drive screw rod 3.
Safetied pin 6, for inserting in jack 31.
Micro-adjusting mechanism 7 comprises: casing 71, between tray 2 and pedestal 1, be fixed on pedestal 1; Worm screw 72, is arranged in casing 71 and one end is exposed to casing 71 and the other end is positioned at casing 71; Accurate adjustment handwheel 73, is positioned at casing 71 outer and be connected to described one end of worm screw 72; And nut worm wheel 74.Nut worm wheel 74 is hollow-core construction, is positioned at casing 71 and moves up and down limited, comprising: worm gear 741 is positioned at radial outside; And nut 742 is positioned at radially inner side, is sheathed on screw rod 3 and is threaded with the external screw thread of screw rod 3.
Wherein, when the position of coarse adjustment tray 2, take off safetied pin 6, rotate coarse adjustment handwheel 5, screw rod 3 is along with coarse adjustment handwheel 5 and by rotating with being threaded of nut 742 and moving up and down, screw rod 3 is connected with tray 2 via plane bearing 4 and drives plane bearing 4 and tray 2 only to move up and down, and realizes coarse adjustment thus, when accurate adjustment tray 2 position, insert safetied pin 6, safetied pin 6 is connected screw rod 3 with tray 2, the rotation of restriction screw rod 3, rotate accurate adjustment handwheel 73, worm screw 72 rotates along with accurate adjustment handwheel 73, worm screw 72 drives the worm gear 741 in the outside of nut worm wheel 74 and the nut 742 of inner side to rotate, nut worm wheel about 74 is limited and cannot move up and down (in other words, nut worm wheel 74 only original place rotates), thus nut worm wheel 74 be threaded connection drive screw rod 3 move up and down, and then screw rod 3 is connected with tray 2 via plane bearing 4 and drives plane bearing 4 and tray 2 to move up and down, realize fine setting thus.
In adjustable bracket according to the present invention, because adopt screw rod 3, plane bearing 4, coarse adjustment handwheel 5, safetied pin 6 and micro-adjusting mechanism 7, quick coarse adjustment and precise fine-adjustment can be realized, and owing to adopting coarse adjustment handwheel 5 and accurate adjustment handwheel 73, position adjustment can be carried out easily for precision, by adopting safetied pin 6 and jack 31, the switching of coarse adjustment and accurate adjustment can be carried out easily.
In an embodiment of adjustable bracket according to the present invention, with reference to Fig. 1, screw rod 3 can be the structure that hollow top 32 is closed; Described adjustable bracket also comprises: be fixedly connected with (with reference to Fig. 1, such as, by screw S) in the top 32 of screw rod 3 above the top 32 that connector C is positioned at screw rod 3, and be located between the top of screw rod 3 and tray 2 by plane bearing 4.
In an embodiment of adjustable bracket according to the present invention, jack 31 can be circumferentially multiple along screw rod 3.
In an embodiment of adjustable bracket according to the present invention, jack 31 can be circular hole.
In an embodiment of adjustable bracket according to the present invention, with reference to Fig. 1, plane bearing 4 is two and axially spaced along screw rod 3.
In an embodiment of adjustable bracket according to the present invention, with reference to Fig. 1, the casing 71 of micro-adjusting mechanism 7 is fixed on pedestal 1 by screw S.
In an embodiment of adjustable bracket according to the present invention, with reference to Fig. 1 and Fig. 4, nut worm wheel 74 also can comprise: upper limit portion 743 is arranged at the top of nut worm wheel 74; And lower limit portion 744 is arranged at the bottom of nut worm wheel 74.Micro-adjusting mechanism 7 also comprises: clutch shaft bearing 75 to be arranged in casing 71 and between casing 71 and the upper limit portion 743 of nut worm wheel 74, to be fixedly connected on casing 71 to make nut worm wheel 74 via bearing; And second bearing 76 to be arranged in casing 71 and between casing 71 and the lower limit portion 744 of nut worm wheel 74, to move up and down to limit nut worm wheel 74 together with clutch shaft bearing 75.
In an embodiment of adjustable bracket according to the present invention, with reference to Fig. 1, described adjustable bracket also can comprise: aid in guide mechanism 8, comprising: pedestal 1 is fixed in fixing guide 81 bottom; And sliding catheter 82 is arranged in fixing guide 81 and tray 2 is fixed at top.
In an embodiment of adjustable bracket according to the present invention, with reference to Fig. 1, pedestal 1 is fixed on by screw S in the bottom of fixing guide 81.
In an embodiment of adjustable bracket according to the present invention, with reference to Fig. 1, described adjustable bracket also can comprise: protective sleeve 9 is sheathed on screw rod 3 and pedestal 1 is fixed in upper end.
Claims (10)
1. an adjustable bracket, is characterized in that, comprising:
Pedestal (1), maintains static;
Tray (2), be positioned at pedestal (1) top and for supporting workpiece (W);
Screw rod (3), be arranged in pedestal (1), outer surface is provided with screw thread, and periphery is provided with the radial jack (31) extended;
Plane bearing (4), is arranged between the top of screw rod (3) and tray (2), is fixedly connected with via plane bearing (4) to make screw rod (3) with tray (2);
Coarse adjustment handwheel (5), is connected to the bottom of screw rod (3), rotates to drive screw rod (3);
Safetied pin (6), for inserting in jack (31);
Micro-adjusting mechanism (7), comprising:
Casing (71), to be positioned between tray (2) and pedestal (1) and to be fixed on pedestal (1);
Worm screw (72), is arranged in casing (71) and one end is exposed to casing (71) and the other end is positioned at casing (71);
Accurate adjustment handwheel (73), is positioned at casing (71) and be connected to described one end of worm screw (72) outward; And
Nut worm wheel (74) is hollow-core construction, is positioned at casing (71) and moves up and down limited, comprising:
Worm gear (741), is positioned at radial outside; And
Nut (742), is positioned at radially inner side, is sheathed on screw rod (3) and is threaded with the external screw thread of screw rod (3);
Wherein,
When the position of coarse adjustment tray (2), take off safetied pin (6), rotate coarse adjustment handwheel (5), screw rod (3) is along with coarse adjustment handwheel (5) and by rotating with being threaded of nut (742) and moving up and down, screw rod (3) is connected via plane bearing (4) with tray (2) and drives plane bearing (4) and tray (2) only to move up and down, and realizes coarse adjustment thus;
When accurate adjustment tray (2) position, insert safetied pin (6), safetied pin (6) is connected screw rod (3) with tray (2), the rotation of restriction screw rod (3), rotate accurate adjustment handwheel (73), worm screw (72) is along with accurate adjustment handwheel (73) rotation, worm screw (72) drives the worm gear (741) in the outside of nut worm wheel (74) and the nut (742) of inner side to rotate, nut turbine (74) is limited up and down and cannot move up and down, thus nut worm wheel (74) be threaded connection drive screw rod (3) move up and down, and then screw rod (3) is connected via plane bearing (4) with tray (2) and drives plane bearing (4) and tray (2) to move up and down, realize fine setting thus.
2. adjustable bracket according to claim 1, is characterized in that,
The structure that screw rod (3) is closed for hollow top (32);
Described adjustable bracket also comprises:
Connector (C), be positioned at the top, top (32) of screw rod (3) and be fixedly connected on the top (32) of screw rod (3), and plane bearing (4) is located between the top of screw rod (3) and tray (2).
3. adjustable bracket according to claim 1, is characterized in that, jack (31) is circumferentially multiple along screw rod (3).
4. adjustable bracket according to claim 1, is characterized in that, jack (31) is circular hole.
5. adjustable bracket according to claim 1, is characterized in that, plane bearing (4) is two and axially spaced along screw rod (3).
6. adjustable bracket according to claim 1, is characterized in that, the casing (71) of micro-adjusting mechanism (7) is fixed on pedestal (1) by screw (S).
7. adjustable bracket according to claim 1, is characterized in that,
Nut worm wheel (74) also comprises:
Upper limit portion (743), is arranged at the top of nut worm wheel (74); And
Lower limit portion (744), is arranged at the bottom of nut worm wheel (74); Micro-adjusting mechanism (7) also comprises:
Clutch shaft bearing (75), to be arranged in casing (71) and between the upper limit portion (743) being positioned at casing (71) and nut worm wheel (74), to be fixedly connected on casing (71) to make nut worm wheel (74) via bearing; And
Second bearing (76), to be arranged in casing (71) and between the lower limit portion (744) being positioned at casing (71) and nut worm wheel (74), to move up and down to limit nut worm wheel (74) together with clutch shaft bearing (75).
8. adjustable bracket according to claim 1, is characterized in that, described adjustable bracket also comprises:
Aid in guide mechanism (8), comprising:
Fixing guide (81), pedestal (1) is fixed in bottom; And
Sliding catheter (82), is arranged in fixing guide (81) and tray (2) is fixed at top.
9. adjustable bracket according to claim 8, is characterized in that, pedestal (1) is fixed on by screw (S) in the bottom of fixing guide (81).
10. adjustable bracket according to claim 1, is characterized in that, described adjustable bracket also comprises:
Protective sleeve (9), is sheathed on screw rod (3) and pedestal (1) is fixed in upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510236830.9A CN104875168B (en) | 2015-05-11 | 2015-05-11 | Adjustable bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510236830.9A CN104875168B (en) | 2015-05-11 | 2015-05-11 | Adjustable bracket |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104875168A true CN104875168A (en) | 2015-09-02 |
| CN104875168B CN104875168B (en) | 2016-07-06 |
Family
ID=53942972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510236830.9A Active CN104875168B (en) | 2015-05-11 | 2015-05-11 | Adjustable bracket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104875168B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107139142A (en) * | 2017-06-15 | 2017-09-08 | 山东建筑大学 | A kind of sub-packaging workbench of heavy-duty car |
| CN110712110A (en) * | 2019-11-13 | 2020-01-21 | 浙江工业大学 | Polishing roller for linear hydraulic polishing |
| CN110744430A (en) * | 2019-11-13 | 2020-02-04 | 浙江工业大学 | Bidirectional-feeding linear hydraulic polishing device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2055764U (en) * | 1989-06-12 | 1990-04-11 | 成都国营锦江电机厂 | Material feeding bracket for processing pipes and rods |
| US5609332A (en) * | 1995-11-14 | 1997-03-11 | Hassell; Clayton | Device for lifting and holding cabinets |
| JP2003251576A (en) * | 2002-03-01 | 2003-09-09 | Takano Co Ltd | Working table, and working truck |
| CN2934188Y (en) * | 2006-07-25 | 2007-08-15 | 金爱玉 | Work-piece lifting shelf |
| CN201505819U (en) * | 2009-08-21 | 2010-06-16 | 纽威数控装备（苏州）有限公司 | Center bracket fine adjustment structure for power tools |
| CN101733675A (en) * | 2009-12-28 | 2010-06-16 | 苏州工业园区瑞来福工厂维修服务有限公司 | Elevating rack |
| JP2010234475A (en) * | 2009-03-31 | 2010-10-21 | Chugoku Electric Power Co Inc:The | Auxiliary device for measurement apparatus |
-
2015
- 2015-05-11 CN CN201510236830.9A patent/CN104875168B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2055764U (en) * | 1989-06-12 | 1990-04-11 | 成都国营锦江电机厂 | Material feeding bracket for processing pipes and rods |
| US5609332A (en) * | 1995-11-14 | 1997-03-11 | Hassell; Clayton | Device for lifting and holding cabinets |
| JP2003251576A (en) * | 2002-03-01 | 2003-09-09 | Takano Co Ltd | Working table, and working truck |
| CN2934188Y (en) * | 2006-07-25 | 2007-08-15 | 金爱玉 | Work-piece lifting shelf |
| JP2010234475A (en) * | 2009-03-31 | 2010-10-21 | Chugoku Electric Power Co Inc:The | Auxiliary device for measurement apparatus |
| CN201505819U (en) * | 2009-08-21 | 2010-06-16 | 纽威数控装备（苏州）有限公司 | Center bracket fine adjustment structure for power tools |
| CN101733675A (en) * | 2009-12-28 | 2010-06-16 | 苏州工业园区瑞来福工厂维修服务有限公司 | Elevating rack |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107139142A (en) * | 2017-06-15 | 2017-09-08 | 山东建筑大学 | A kind of sub-packaging workbench of heavy-duty car |
| CN107139142B (en) * | 2017-06-15 | 2020-03-24 | 山东建筑大学 | Split charging workbench of heavy-duty car |
| CN110712110A (en) * | 2019-11-13 | 2020-01-21 | 浙江工业大学 | Polishing roller for linear hydraulic polishing |
| CN110744430A (en) * | 2019-11-13 | 2020-02-04 | 浙江工业大学 | Bidirectional-feeding linear hydraulic polishing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104875168B (en) | 2016-07-06 |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
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| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Xu Jing Inventor after: Yang Xiangdong Inventor after: Chen Ken Inventor after: Wan An Inventor after: Liu Zhi Inventor after: Xie Ying Inventor after: Liu Shuntao Inventor after: Xu Jing Inventor after: Wang Guolei Inventor after: Song Libin Inventor before: Xu Jing Inventor before: Wan An Inventor before: Chen Ken Inventor before: Liu Zhi Inventor before: Xie Ying |
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| COR | Change of bibliographic data | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20151215 Address after: 100084 Beijing City, Haidian District Tsinghua Yuan Applicant after: Tsinghua University Applicant after: Chengdu Airplane Industry (Group) Corp., Ltd. Address before: 100084 Beijing City, Haidian District Tsinghua Yuan Applicant before: Tsinghua University |
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| C14 | Grant of patent or utility model | ||
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