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
- nut
- support block
- worm wheel
- base
- 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
本发明提供了一种可调托架，其包括：基座，固定不动；托块，位于基座上方且用于支撑工件；螺杆穿设于基座，外表面设有螺纹，且外周设置有径向延伸的插孔；平面轴承，设置于螺杆的上部和托块之间，以使螺杆经由平面轴承与托块固定连接；粗调手轮，连接在螺杆的下部，以带动螺杆转动；锁紧销钉，用于插入插孔中；以及微调机构。微调机构包括：箱体，位于托块和基座之间并固定于基座；蜗杆，穿设于箱体且一端露出于箱体而另一端位于箱体内；精调手轮，位于箱体外且连接于蜗杆的所述一端；以及螺母蜗轮。螺母蜗轮为空心结构，位于箱体内且上下运动受限，包括：蜗轮位于径向外侧；以及螺母位于径向内侧，套设于螺杆且与螺杆的外螺纹连接。
The invention provides an adjustable bracket, which includes: a base, which is fixed; a bracket, which is located above the base and used to support a workpiece; There are radially extending sockets; plane bearings are arranged between the upper part of the screw and the bracket, so that the screw is fixedly connected to the bracket through the plane bearings; the coarse adjustment handwheel is connected to the lower part of the screw to drive the screw to rotate; a locking pin for insertion into the socket; and a fine adjustment mechanism. The fine-tuning mechanism includes: the box body, which is located between the bracket and the base and is fixed on the base; the worm, which is penetrated through the box body and one end is exposed from the box body and the other end is located in the box body; the fine-tuning handwheel is located outside the box body and connected to the one end of the worm; and the nut worm wheel. The nut worm gear is a hollow structure, located in the box and limited in up and down movement, including: the worm gear is located radially outside; and the nut is located radially inside, sheathed on the screw rod and connected with the external thread of the screw rod.
Description
Technical Field
The invention relates to a bracket, in particular to an adjustable bracket.
Background
Most current pallets only have a single speed to adjust the pallet height in an application. For a bracket with a plurality of supporting blocks on one body, the height of each supporting block needs to be adjusted respectively when a workpiece is lifted so that each supporting block can be in good contact with the workpiece. At this time, if a traditional bracket with single speed is adopted, the speed is not enough and time and labor are wasted when the bracket needs to be quickly put in place, or the precision is not high when the position of each supporting block needs to be accurately adjusted, so that the requirement cannot be met.
Disclosure of Invention
In view of the problems of the background art, an object of the present invention is to provide an adjustable bracket that can realize quick rough adjustment and accurate fine adjustment, and can adjust the position with respect to the accuracy without difficulty, thereby facilitating the switching between rough adjustment and fine adjustment.
In order to achieve the above object, the present invention provides an adjustable bracket, comprising: the device comprises a base, a support block, a screw rod, a plane bearing, a rough adjusting hand wheel, a locking pin and a fine adjusting mechanism.
The base is fixed. The support block is positioned above the base and used for supporting the workpiece. The screw rod is worn to locate the base, and the surface is equipped with the screw thread, and the periphery is provided with the jack of radial extension. The plane bearing is arranged between the upper part of the screw rod and the support block, so that the screw rod is fixedly connected with the support block through the plane bearing. The rough adjusting hand wheel is connected with the lower part of the screw rod to drive the screw rod to rotate. And the locking pin is used for being inserted into the jack. The fine adjustment mechanism includes: the box body is positioned between the supporting block and the base and is fixed on the base; the worm penetrates through the box body, one end of the worm is exposed out of the box body, and the other end of the worm is positioned in the box body; the fine adjustment hand wheel is positioned outside the box body and is connected to one end of the worm; and a nut worm gear. The nut worm wheel is hollow structure, is located the box and the up-and-down motion is limited, includes: the worm wheel is positioned at the radial outer side; and the nut is positioned on the radial inner side, sleeved on the screw rod and in threaded connection with the external thread of the screw rod.
When the position of the support block is roughly adjusted, the locking pin is taken down, the rough adjusting hand wheel is rotated, the screw rod rotates along with the rough adjusting hand wheel through the threaded connection with the nut and moves up and down, and the screw rod is connected with the support block through the plane bearing to drive the plane bearing and the support block to only move up and down, so that the rough adjustment is realized; when the position of the supporting block is finely adjusted, a locking pin is inserted, the locking pin connects the screw rod with the supporting block, the rotation of the screw rod is limited, the fine adjustment hand wheel is rotated, the worm rotates along with the fine adjustment hand wheel, the worm drives the worm wheel on the outer side of the nut worm wheel and the nut on the inner side of the nut worm wheel to rotate, the nut worm wheel is limited vertically and cannot move vertically (in other words, the nut worm wheel rotates in situ), therefore, the nut worm wheel drives the screw rod to move vertically through threaded connection, and the screw rod is connected with the supporting block through the plane bearing to drive the plane bearing and the supporting block to move vertically.
The invention has the following beneficial effects: in the adjustable bracket, the screw rod, the plane bearing, the rough adjusting hand wheel, the locking pin and the fine adjusting mechanism are adopted, so that quick rough adjustment and accurate fine adjustment can be realized, the position can be adjusted to the accuracy without difficulty by adopting the rough adjusting hand wheel and the fine adjusting hand wheel, and the rough adjustment and the fine adjustment can be switched conveniently by adopting the locking pin and the jack.
Drawings
FIG. 1 is a front view of an adjustable bracket according to the present invention;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is a top plan view of FIG. 1, partially broken away;
fig. 4 is an enlarged view of a portion of the nut runner shown in fig. 1.
Wherein the reference numerals are as follows:
1 base 741 worm wheel
2 support block 742 nut
3 upper limit part of screw 743
Lower limit part of 31 insertion hole 744
32 top 75 first bearing
4 plane bearing 76 second bearing
5 coarse adjusting hand wheel 8 auxiliary guiding mechanism
6 locking pin 81 fixed guide cylinder
7 fine adjustment mechanism 82 sliding guide pipe
71 protective cover for box 9
72 Worm W workpiece
73 fine adjustment hand wheel S screw
74 nut worm wheel C connecting piece
Detailed Description
The adjustable bracket according to the present invention will be described in detail with reference to the accompanying drawings.
Referring to fig. 1 to 4, an adjustable bracket according to the present invention includes: the device comprises a base 1, a support block 2, a screw rod 3, a plane bearing 4, a rough adjusting hand wheel 5, a locking pin 6 and a fine adjusting mechanism 7.
The base 1 is stationary.
The pallet 2 is located above the base 1 and is used to support the workpiece W.
The screw rod 3 is arranged on the base 1 in a penetrating mode, threads are arranged on the outer surface of the screw rod, and a jack 31 extending in the radial direction is arranged on the periphery of the screw rod.
The plane bearing 4 is arranged between the upper part of the screw rod 3 and the support block 2, so that the screw rod 3 is fixedly connected with the support block 2 through the plane bearing 4.
The rough adjusting hand wheel 5 is connected to the lower part of the screw rod 3 to drive the screw rod 3 to rotate.
And a locking pin 6 for insertion into the insertion hole 31.
The fine adjustment mechanism 7 includes: the box body 71 is positioned between the supporting block 2 and the base 1 and is fixed on the base 1; a worm 72 inserted into the case 71, one end of which is exposed from the case 71 and the other end of which is located inside the case 71; a fine adjustment hand wheel 73 which is positioned outside the box body 71 and is connected to the one end of the worm 72; and a nut worm gear 74. The nut worm wheel 74 is a hollow structure, is located in the box 71 and is limited in up-and-down movement, and includes: the worm wheel 741 is located radially outward; and a nut 742 located radially inward and sleeved on the screw 3 and threadedly coupled to the external thread of the screw 3.
When the position of the support block 2 is roughly adjusted, the locking pin 6 is taken down, the rough adjusting hand wheel 5 is rotated, the screw rod 3 rotates and moves up and down along with the rough adjusting hand wheel 5 through the threaded connection with the nut 742, and the screw rod 3 is connected with the support block 2 through the plane bearing 4 to drive the plane bearing 4 and the support block 2 to move up and down only, so that rough adjustment is realized; when the position of the support block 2 is finely adjusted, the locking pin 6 is inserted, the screw rod 3 and the support block 2 are connected through the locking pin 6, the rotation of the screw rod 3 is limited, the fine adjustment hand wheel 73 is rotated, the worm 72 rotates along with the fine adjustment hand wheel 73, the worm 72 drives the worm wheel 741 on the outer side of the nut worm wheel 74 and the nut 742 on the inner side to rotate, the nut worm wheel 74 is limited vertically and cannot move vertically (in other words, the nut worm wheel 74 rotates in situ), the nut worm wheel 74 drives the screw rod 3 to move vertically through threaded connection, and the screw rod 3 is connected with the support block 2 through the plane bearing 4 to drive the plane bearing 4 and the support block 2 to move vertically, so that fine adjustment is achieved.
In the adjustable bracket according to the present invention, since the screw 3, the plane bearing 4, the rough adjusting hand wheel 5, the locking pin 6 and the fine adjusting mechanism 7 are used, the quick rough adjustment and the accurate fine adjustment can be realized, and since the rough adjusting hand wheel 5 and the fine adjusting hand wheel 73 are used, the position can be adjusted with respect to the accuracy without difficulty, and the switching between the rough adjustment and the fine adjustment can be very conveniently performed by using the locking pin 6 and the insertion hole 31.
In an embodiment of the adjustable bracket according to the present invention, referring to fig. 1, the screw 3 may be a structure in which a hollow tip 32 is closed; the adjustable bracket further comprises: the connecting member C is positioned above the tip 32 of the screw 3, is fixedly connected (e.g., by a screw S with reference to fig. 1) to the tip 32 of the screw 3, and sandwiches the flat bearing 4 between the upper portion of the screw 3 and the holder 2.
In an embodiment of the adjustable bracket according to the present invention, the insertion hole 31 may be a plurality arranged along the circumference of the screw 3.
In an embodiment of the adjustable bracket according to the present invention, the insertion hole 31 may be a circular hole.
In an embodiment of the adjustable bracket according to the present invention, referring to fig. 1, the flat bearings 4 are two and spaced apart in the axial direction of the screw 3.
In an embodiment of the adjustable bracket according to the present invention, referring to fig. 1, the housing 71 of the fine adjustment mechanism 7 may be fixed to the base 1 by screws S.
In an embodiment of the adjustable bracket according to the present invention, referring to fig. 1 and 4, the nut worm gear 74 may further include: the upper limiting portion 743 is provided on the upper portion of the nut worm wheel 74; and a lower limit portion 744 is provided at a lower portion of the nut worm wheel 74. The fine adjustment mechanism 7 further includes: the first bearing 75 is arranged in the box body 71 and is positioned between the box body 71 and the upper limit part 743 of the nut worm wheel 74, so that the nut worm wheel 74 is fixedly connected to the box body 71 through the bearing; and the second bearing 76 is disposed in the case 71 between the case 71 and the lower stopper portion 744 of the nut worm wheel 74 to restrict the nut worm wheel 74 from moving up and down together with the first bearing 75.
In an embodiment of the adjustable bracket according to the present invention, referring to fig. 1, the adjustable bracket may further include: the auxiliary guide mechanism 8 includes: the lower part of the fixed guide cylinder 81 is fixed on the base 1; and the sliding guide tube 82 is arranged in the fixed guide tube 81 in a penetrating way, and the top of the sliding guide tube is fixed on the support block 2.
In an embodiment of the adjustable bracket according to the present invention, referring to fig. 1, a lower portion of the fixed guide cylinder 81 may be fixed to the base 1 by a screw S.
In an embodiment of the adjustable bracket according to the present invention, referring to fig. 1, the adjustable bracket may further include: the screw 3 is sleeved with the protective sleeve 9, and the upper end of the protective sleeve is fixed on the base 1.
Claims (10)
1. An adjustable bracket, comprising:
a base (1) which is fixed;
a support block (2) which is positioned above the base (1) and is used for supporting a workpiece (W);
the screw rod (3) penetrates through the base (1), the outer surface of the screw rod is provided with threads, and the periphery of the screw rod is provided with a jack (31) extending in the radial direction;
the plane bearing (4) is arranged between the upper part of the screw rod (3) and the support block (2) so that the screw rod (3) is fixedly connected with the support block (2) through the plane bearing (4);
a rough adjusting hand wheel (5) connected to the lower part of the screw rod (3) to drive the screw rod (3) to rotate;
a locking pin (6) for insertion into the receptacle (31);
a fine adjustment mechanism (7) comprising:
the box body (71) is positioned between the supporting block (2) and the base (1) and is fixed on the base (1);
a worm (72) which is inserted into the box body (71), one end of which is exposed out of the box body (71), and the other end of which is positioned in the box body (71);
the fine adjustment hand wheel (73) is positioned outside the box body (71) and is connected to one end of the worm (72); and
nut worm wheel (74), for hollow structure, be located box (71) and up-and-down motion is restricted, includes:
a worm wheel (741) located radially outward; and
the nut (742) is positioned on the radial inner side, sleeved on the screw rod (3) and in threaded connection with the external thread of the screw rod (3);
wherein,
when the position of the support block (2) is roughly adjusted, the locking pin (6) is taken down, the rough adjusting hand wheel (5) is rotated, the screw rod (3) rotates and moves up and down along with the rough adjusting hand wheel (5) through the threaded connection with the nut (742), and the screw rod (3) is connected with the support block (2) through the plane bearing (4) to drive the plane bearing (4) and the support block (2) to move up and down only, so that rough adjustment is realized;
when the position of the support block (2) is finely adjusted, a locking pin (6) is inserted, the screw rod (3) is connected with the support block (2) through the locking pin (6), the rotation of the screw rod (3) is limited, the fine adjustment hand wheel (73) is rotated, the worm (72) rotates along with the fine adjustment hand wheel (73), the worm (72) drives the worm wheel (741) on the outer side and the nut (742) on the inner side of the nut worm wheel (74) to rotate, the nut worm wheel (74) is limited vertically and cannot move vertically, the nut worm wheel (74) drives the screw rod (3) to move vertically through threaded connection, and then the screw rod (3) is connected with the support block (2) through the plane bearing (4) to drive the plane bearing (4) and the support block (2) to move vertically, so that fine adjustment is achieved.
2. The adjustable bracket of claim 1,
the screw (3) is a hollow structure with a closed top end (32);
the adjustable bracket further comprises:
and the connecting piece (C) is positioned above the top end (32) of the screw rod (3), is fixedly connected to the top end (32) of the screw rod (3), and clamps the plane bearing (4) between the upper part of the screw rod (3) and the support block (2).
3. An adjustable bracket according to claim 1, characterised in that the socket (31) is a plurality arranged along the circumference of the screw (3).
4. An adjustable bracket according to claim 1, characterised in that the socket (31) is a circular hole.
5. An adjustable bracket according to claim 1, characterised in that the flat bearings (4) are two and spaced apart in the axial direction of the screw (3).
6. Adjustable bracket according to claim 1, characterized in that the housing (71) of the fine adjustment mechanism (7) is fixed to the base (1) by means of screws (S).
7. The adjustable bracket of claim 1,
the nut worm wheel (74) further includes:
an upper limit part (743) provided on the upper part of the nut worm wheel (74); and
a lower limit portion (744) provided below the nut worm wheel (74); the fine adjustment mechanism (7) further comprises:
a first bearing (75) which is provided in the case (71) and is positioned between the case (71) and the upper limit portion (743) of the nut worm wheel (74) so that the nut worm wheel (74) is fixedly connected to the case (71) via the bearing; and
and a second bearing (76) which is arranged in the box body (71) and is positioned between the box body (71) and the lower limit part (744) of the nut worm wheel (74) so as to limit the nut worm wheel (74) to move up and down together with the first bearing (75).
8. The adjustable bracket of claim 1 further comprising:
auxiliary guide means (8) comprising:
a fixed guide cylinder (81) the lower part of which is fixed to the base (1); and
and the sliding guide pipe (82) penetrates through the fixed guide cylinder (81) and the top of the sliding guide pipe is fixed on the support block (2).
9. An adjustable bracket according to claim 8, characterised in that the lower part of the fixed guide cylinder (81) is fixed to the base (1) by means of screws (S).
10. The adjustable bracket of claim 1 further comprising:
and the protective sleeve (9) is sleeved on the screw rod (3) and the upper end of the protective sleeve is fixed on the base (1).
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 | Work platforms and work carts |
| 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 | Work platforms and work carts |
| 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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| 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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