CN204689538U - Hardness meter workbench lifting device - Google Patents
Hardness meter workbench lifting device Download PDFInfo
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- CN204689538U CN204689538U CN201520350242.3U CN201520350242U CN204689538U CN 204689538 U CN204689538 U CN 204689538U CN 201520350242 U CN201520350242 U CN 201520350242U CN 204689538 U CN204689538 U CN 204689538U
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- screw
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- worm gear
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- lifting device
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Abstract
The utility model discloses a kind of hardness meter workbench lifting device, comprise handwheel drum, major axis, miniature gears, big gear wheel, worm screw, worm gear screw, leading screw, wherein: handwheel drum is arranged on overhanging one end of major axis, and the other end of this major axis is provided with miniature gears; The big gear wheel be meshed with miniature gears is installed in one end of worm screw; Worm gear on worm and wheel screw is meshed, and the screw on this worm gear screw is formed with vertically disposed leading screw and is threaded.The rotary motion of handwheel drum can be converted to the straight-line motion up and down of leading screw by the utility model, thus realize the lifting of bench board, and it is symmetrical configuration, rationally distributed, rapid operation, stable drive, improve the resolution that leading screw does straight-line motion, accurately can control the adjustable height of leading screw and the positional precision of bench board, thus improve scleroscopic measuring accuracy.
Description
Technical field
The utility model relates to hardness meter manufacturing technology field, specifically relates to a kind of hardness meter workbench lifting device.
Background technology
Existing hardness meter is directly installed on screw by handwheel, drives leading screw, worktable lifting by rotation hand wheel; For heavier work pieces, rotate handwheel wastes time and energy very much.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of hardness meter workbench lifting device that can overcome above-mentioned deficiency, the rotary motion of handwheel drum can be converted to the straight-line motion up and down of leading screw by it, thus realize the lifting of bench board, and rapid operation, stable drive, improve the resolution that leading screw does straight-line motion, accurately can control the adjustable height of leading screw and the positional precision of bench board, improve scleroscopic measuring accuracy.
In order to solve the problems of the technologies described above, the utility model takes following technical scheme:
Hardness meter workbench lifting device, comprises handwheel drum, major axis, miniature gears, big gear wheel, worm screw, worm gear screw, leading screw, wherein: handwheel drum is arranged on overhanging one end of major axis, and the other end of this major axis is provided with miniature gears; The big gear wheel be meshed with miniature gears is installed in one end of worm screw; The worm gear that worm and wheel screw is provided with is meshed, and the screw that this worm gear screw is provided with is formed with vertically disposed leading screw and is threaded.
The endoporus of described worm gear screw is provided with the screw be meshed with leading screw; Be provided with the worm gear be meshed with worm screw at the cylindrical of worm gear screw, above-mentioned worm gear and screw are structure as a whole.
The upper/lower terminal of described worm gear screw is arranged on change speed gear box respectively by a pair needle bearing, and the middle part of this worm gear screw is provided with a single direction thrust ball bearing.
The two ends of described worm screw are respectively arranged with pair of horns contact ball bearing, and this worm screw is horizontally set on change speed gear box by above-mentioned pair of horns contact ball bearing.
Described major axis is arranged in the inner chamber of driving gear fixed cover by pair of bearings, and this driving gear fixed cover is arranged on reducer shell, and this reducer shell is arranged on again on fuselage.
The top of described leading screw is provided with bench board.
Compared with the prior art the utility model, has following beneficial effect:
Handwheel drum is arranged on the centre of fuselage by the utility model, thus makes its symmetrical configuration, layout more reasonable.
The utility model adopts the screw connection structure of size gears meshing and worm and gear engagement and screw and leading screw, the rotary motion of handwheel drum can be converted to the straight-line motion up and down of leading screw by it, thus realize the lifting of bench board, and rapid operation, stable drive, improve the resolution that leading screw does straight-line motion, accurately can control the adjustable height of leading screw and the positional precision of bench board, thus improve scleroscopic measuring accuracy.
Accompanying drawing explanation
Fig. 1 is front sectional view of the present utility model;
Fig. 2 is the vertical view cutaway drawing of Fig. 1.
Part description in Fig. 1-Fig. 2:
1, leading screw; 2, change speed gear box; 3, needle bearing; 4, worm gear screw; 5, single direction thrust ball bearing; 6, miniature gears; 7, driving gear fixed cover; 8, bearing; 9, handwheel drum; 10, angular contact ball bearing; 11, worm screw; 12, big gear wheel; 13, major axis.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 1 and Figure 2, the utility model comprises handwheel drum 9, major axis 13, bearing 8, driving gear fixed cover 7, miniature gears 6, big gear wheel 12, worm screw 11, angular contact ball bearing 10, worm gear screw 4, needle bearing 3, single direction thrust ball bearing 5, leading screw 1, change speed gear box 2, wherein:
Handwheel drum 9 is arranged on overhanging one end of major axis 13, and the other end of this major axis 13 is provided with miniature gears 6.This major axis 13 is arranged on by pair of bearings 8 in the inner chamber of driving gear fixed cover 7, and this driving gear fixed cover 7 is arranged on reducer shell, and this reducer shell is arranged on again on fuselage.
The two ends of worm screw 11 are respectively arranged with pair of horns contact ball bearing 10, and this worm screw 11 is horizontally set on change speed gear box 2 by above-mentioned pair of horns contact ball bearing 10.Be provided with the big gear wheel 12 be meshed with miniature gears 6 in one end of worm screw 11, worm screw 11 is meshed with worm gear, and screw is formed with vertically disposed leading screw 1 and is threaded.In the top of leading screw 1, bench board is installed.
Worm gear in the present embodiment and screw are structure as a whole, and the two is all arranged on worm gear screw 4.Particularly, the endoporus of worm gear screw 4 is provided with negative thread, this negative thread is the screw that can be meshed with leading screw 1; The worm gear arrangement that can be meshed with worm screw 11 is provided with in the cylindrical middle part of worm gear screw 4.
The upper/lower terminal of worm gear screw 4 is arranged on change speed gear box 2 respectively by a pair needle bearing 3; A single direction thrust ball bearing 5 is also provided with in the middle part of worm gear screw 4.
Principle of work of the present utility model is as follows: with reference to Fig. 1, Fig. 2.
Rotation hand wheel drum 9, drive miniature gears 6 to rotate by the flat key on major axis 13, this miniature gears 6 engages with the big gear wheel 12 being arranged on worm screw 11 one end, and worm screw 11 engages with the worm gear on worm gear screw 4, screw on worm gear screw 4 coordinates with leading screw 1, thus realizes the lifting of leading screw 1, bench board.
Positive and negative rotation handwheel drum, can realize the lifting of leading screw, bench board.
Claims (6)
1. hardness meter workbench lifting device, is characterized in that,
Comprise handwheel drum (9), major axis (13), miniature gears (6), big gear wheel (12), worm screw (11), worm gear screw (4), leading screw (1), wherein:
Handwheel drum (9) is arranged on overhanging one end of major axis (13), and the other end of this major axis (13) is provided with miniature gears (6);
The big gear wheel (12) be meshed with miniature gears (6) is installed in one end of worm screw (11);
This worm screw (11) is meshed with the worm gear that worm gear screw (4) is provided with, and the screw that this worm gear screw (4) is provided with is formed with vertically disposed leading screw (1) and is threaded.
2. hardness meter workbench lifting device as claimed in claim 1, it is characterized in that, the endoporus of described worm gear screw (4) is provided with the screw be meshed with leading screw (1); The worm gear be meshed with worm screw (11) is provided with at the cylindrical of worm gear screw (4); Above-mentioned worm gear and screw are structure as a whole.
3. hardness meter workbench lifting device as claimed in claim 1 or 2, it is characterized in that, the upper/lower terminal of described worm gear screw (4) is arranged on change speed gear box (2) respectively by a pair needle bearing (3), and the middle part of worm gear screw (4) is provided with a single direction thrust ball bearing (5).
4. hardness meter workbench lifting device as claimed in claim 3, it is characterized in that, the two ends of described worm screw (11) are respectively arranged with pair of horns contact ball bearing (10), and this worm screw (11) is horizontally set on change speed gear box (2) by above-mentioned pair of horns contact ball bearing (10).
5. hardness meter workbench lifting device as claimed in claim 4, it is characterized in that, described major axis (13) is arranged in the inner chamber of driving gear fixed cover (7) by pair of bearings (8), this driving gear fixed cover (7) is arranged on reducer shell, and this reducer shell is arranged on again on fuselage.
6. hardness meter workbench lifting device as claimed in claim 5, it is characterized in that, the top of described leading screw (1) is provided with bench board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520350242.3U CN204689538U (en) | 2015-05-27 | 2015-05-27 | Hardness meter workbench lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520350242.3U CN204689538U (en) | 2015-05-27 | 2015-05-27 | Hardness meter workbench lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204689538U true CN204689538U (en) | 2015-10-07 |
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ID=54229853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520350242.3U Active CN204689538U (en) | 2015-05-27 | 2015-05-27 | Hardness meter workbench lifting device |
Country Status (1)
| Country | Link |
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| CN (1) | CN204689538U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105699229A (en) * | 2016-03-08 | 2016-06-22 | 山东科技大学 | Coal hardness detection device for coal face and detection method |
| CN111157331A (en) * | 2020-02-28 | 2020-05-15 | 无锡商测检测技术有限公司 | Indentation measuring device for detection of Brinell hardness tester |
-
2015
- 2015-05-27 CN CN201520350242.3U patent/CN204689538U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105699229A (en) * | 2016-03-08 | 2016-06-22 | 山东科技大学 | Coal hardness detection device for coal face and detection method |
| CN111157331A (en) * | 2020-02-28 | 2020-05-15 | 无锡商测检测技术有限公司 | Indentation measuring device for detection of Brinell hardness tester |
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| GR01 | Patent grant |