CN108892068B - A kind of mass center bias conversion testing lifting device - Google Patents
A kind of mass center bias conversion testing lifting device Download PDFInfo
- Publication number
- CN108892068B CN108892068B CN201811032477.2A CN201811032477A CN108892068B CN 108892068 B CN108892068 B CN 108892068B CN 201811032477 A CN201811032477 A CN 201811032477A CN 108892068 B CN108892068 B CN 108892068B
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- Prior art keywords
- rectangular
- fixedly connected
- mass center
- workbench
- lifting device
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/46—Combinations of several jacks with means for interrelating lifting or lowering movements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/08—Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated
- B66F3/16—Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated actuated through bevel-wheel gearings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/44—Devices, e.g. jacks, adapted for uninterrupted lifting of loads with self-contained electric driving motors
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of mass center bias conversion testing lifting devices, including workbench, both ends are equipped with rectangular pilot hole on the outside of the upper surface of the workbench, the lower surface two sides of the workbench are fixedly connected to supporting leg, the first support base is equipped at the inner surface center of the supporting leg, the inside of first support base is rotatably connected to rotating bar by ring block, the lower surface of institute's rotating bar is fixedly installed with driven wheel of differential, the upper surface of the rotating bar is fixedly connected with elevating screw thread bar, the outer surface of the elevating screw thread bar is threaded with rectangular guide rod by elevating screw thread hole, the outer surface of the rectangular guide rod is slidably connected to the inner surface of rectangular pilot hole, the upper surface of the rectangular guide rod is fixedly installed with lifting V-type seat.The mass center bias conversion testing lifting device can greatly improve the convenience used and stability, guarantee safety and high efficiency when adjusting.
Description
Technical field
The present invention relates to mass center the field of test technology, specially a kind of mass center bias conversion testing lifting device.
Background technique
It during mass center bias conversion testing, needs for workpiece for measurement to be placed into supporting table, then be elevated to again not
Same height is detected, and existing mode is all the structure realization elevating function that thread screw is driven using motor, although
Can guarantee stability, the operating of motor but existing elevating function places one's entire reliance upon, when encounter the emergency situations such as have a power failure when,
Motor can not rotate, and also cannot manually be resetted, influence using stability, while also can not be with electricity
Machine is disconnected, and not can guarantee the safety manually adjusted, then having is exactly in test piece, in order to guarantee the stabilization of support
Property, it is not available buffering, is needed using Hard link, and be easy when placing workpiece inaccurate and total to workpiece to be controlled for dynamics
At colliding with, test structure is not only influenced, but also be also easy to damage workpiece, increase testing cost.
Summary of the invention
The purpose of the present invention is to provide a kind of mass center bias conversion testing lifting devices, to solve above-mentioned background technique
The problem of middle proposition.
To achieve the above object, the invention provides the following technical scheme: a kind of mass center bias conversion testing lifting device,
Including workbench, both ends are equipped with rectangular pilot hole, the lower surface two sides of the workbench on the outside of the upper surface of the workbench
It is fixedly connected to supporting leg, is equipped with the first support base, the inside of first support base at the inner surface center of the supporting leg
It is rotatably connected to rotating bar by ring block, the lower surface of institute's rotating bar is fixedly installed with driven wheel of differential, the rotating bar
Upper surface is fixedly connected with elevating screw thread bar, and the outer surface of the elevating screw thread bar is threaded with rectangular by elevating screw thread hole
Guide rod, the outer surface of the rectangular guide rod are slidably connected to the inner surface of rectangular pilot hole, the rectangular guide rod
Upper surface is fixedly installed with lifting V-type seat.
Preferably, there are two the lifting V-type seats, and the upper surface two sides of workbench are symmetrically distributed in.
Preferably, both ends are fixedly connected to the second support base, second support on the inside of the lower surface of the workbench
The interior lower end of seat is rotatably connected to transmission shaft, and the outer surface both ends of the transmission shaft are fixedly installed with drive bevel gear, institute
The outer surface for stating drive bevel gear is engaged in the outer surface of driven wheel of differential.
Preferably, the interior forward end of the transmission shaft is equipped with the first rectangular open slot, the rear end table of the square aperture slot
Face is equipped with connecting hole, and the rear end surface of the connecting hole is equipped with avoid holes, and it is rectangular that the rear end surface of the avoid holes is equipped with second
Open slot, the inner surface of the connecting hole slidably connect connecting rod, and the outer surface front end sliding sleeve of the connecting rod has
Compressible spring, the front-end surface of the connecting rod are fixedly connected with the first square block.
Preferably, before being slidably connected to the inner surface of the first rectangular open slot on rear side of the outer surface of first square block
End.
Preferably, the rear side surface of the connecting rod is rotatably connected to the second square block, the second party by rotating block
The outer surface of shape block is rotationally connected with the inner surface of avoid holes, and the rear side surface of second square block is fixedly connected with company
The rear side surface of bar, the connecting rod is fixedly installed with handwheel.
Preferably, the lower surface front end of first support base is fixedly installed with motor, and the rear side surface of the motor is logical
It crosses axis and is fixedly connected with connecting shaft, the rear side surface of the connecting shaft slides noose in the first square block by square attaching apertures
Outer surface front end.
Preferably, support V-type seat, the support V are fixedly connected with by support rod on the inside of the upper surface of the workbench
The both side surface of type seat is equipped with rectangular adjustment hole, and the inner surface of the rectangular adjustment hole slidably connects rectangular adjusting rod,
The outer surface of the rectangular adjusting rod is equipped with jack, and the outer surface sliding sleeve of the rectangular adjusting rod has tensioning spring, described
The outer surface of rectangular adjusting rod be fixedly connected with adjust V-type seat it is preferred, it is described support V-type seat and adjust V-type seat inside table
The fixed adhesion in face has rubber buffer.
Compared with prior art, the beneficial effects of the present invention are: the mass center bias conversion testing lifting device passes through cone
Gear engagement is driven, and is gone up and down in conjunction with thread screw, guarantees stability, while combining sliding by hollow transmission shaft
The square block of connection is attached, and in conjunction with handwheel, motor connection can be detached from when manually adjusting, while improving adaptability
Guarantee safety, then have be exactly by have rubber buffer support V-type seat, in conjunction with tensioned adjusting V-type seat come it is auxiliary
Help placement workpiece, avoid colliding with, can greatly improve the convenience used and stability in this way, guarantee safety when adjusting and
High efficiency.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is enlarged drawing at A of the invention；
Fig. 3 is the structural schematic diagram of transmission shaft of the invention；
Fig. 4 is support V-type holder structure schematic diagram of the invention；
Fig. 5 is the schematic cross-section of support V-type seat of the invention.
In figure: 1 workbench, 11 rectangular pilot holes, 12 supporting legs, 13 first support bases, 14 ring blocks, 15 rotating bars, 16 from
Dynamic bevel gear, 17 elevating screw thread bars, 18 elevating screw thread holes, 19 rectangular guide rods, 191 lifting V-type seats, 2 second support bases, 21 pass
Moving axis, 22 drive bevel gears, 23 first rectangular open slots, 24 connecting holes, 25 avoid holes, 26 second rectangular open slots, 3 connections
Bar, 31 compressible springs, 32 first square blocks, 33 rotating blocks, 34 second square blocks, 35 connecting rods, 36 handwheels, 37 motors, 38 connect
Spindle, 39 square attaching apertures, 4 support rods, 41 support V-type seats, 42 rectangular adjustment holes, 43 rectangular adjusting rods, 44 jacks, 45 tensionings
Spring, 46 adjust V-type seat, 47 rubber buffers.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-5 is please referred to, the present invention provides a kind of technical solution: a kind of mass center bias conversion testing lifting device, packet
Workbench 1 is included, both ends are equipped with rectangular pilot hole 11 on the outside of the upper surface of workbench 1, and the lower surface two sides of workbench 1 are solid
Surely it is connected with supporting leg 12, is equipped with the first support base 13 at the inner surface center of supporting leg 12, the inside of the first support base 13 passes through
Ring block 14 is rotatably connected to rotating bar 15, and the lower surface of institute's rotating bar 15 is fixedly installed with driven wheel of differential 16, rotating bar 15
Upper surface be fixedly connected with elevating screw thread bar 17, the outer surface of elevating screw thread bar 17 is threaded with by elevating screw thread hole 18
Rectangular guide rod 19, the outer surface of rectangular guide rod 19 are slidably connected to the inner surface of rectangular pilot hole 11, rectangular guide rod
19 upper surface is fixedly installed with lifting V-type seat 191, can be moved up and down by threaded function with rectangular guide rod 19,
Workpiece can be held up by lifting V-type seat 191 to be gone up and down, guarantee stability and convenience, go up and down there are two V-type seats 191,
And the upper surface two sides of workbench 1 are symmetrically distributed in, it can workpiece, stability when guarantee is gone up and down, work from supported on both sides
Both ends are fixedly connected to the second support base 2 on the inside of the lower surface of platform 1, and the interior lower end of the second support base 2 is rotatably connected to biography
Moving axis 21, the outer surface both ends of transmission shaft 21 are fixedly installed with drive bevel gear 22, the outer surface engagement of drive bevel gear 22
In the outer surface of driven wheel of differential 16, power can be transmitted and rotated with elevating screw thread bar 17, the function of lifting, transmission shaft are reached
21 interior forward end is equipped with the first rectangular open slot 23, and the rear end surface of square aperture slot 23 is equipped with connecting hole 24, connecting hole 24
Rear end surface be equipped with avoid holes 25, the rear end surfaces of avoid holes 25 is equipped with the second rectangular open slot 26, the inside of connecting hole 24
Surface slidably connects connecting rod 3, and the outer surface front end sliding sleeve of connecting rod 3 has compressible spring 31, the front end of connecting rod 3
Surface is fixedly connected with the first square block 32, is slidably connected to the first rectangular open slot 23 on rear side of the outer surface of the first square block 32
Inner surface front end, can be connected with connecting shaft 38, and then the power of motor 37 is transmitted on transmission shaft 21, guarantee
The rear side surface of stability, connecting rod 3 is rotatably connected to the second square block 34, the appearance of the second square block 34 by rotating block 33
Face is rotationally connected with the inner surface of avoid holes 25, and the rear side surface of the second square block 34 is fixedly connected with connecting rod 35, connecting rod 35
Rear side surface be fixedly installed with handwheel 36, can when needing to manually adjust, by handwheel 36 with transmission shaft 21 rotate, protect
Stability and convenience are demonstrate,proved, while the first square block 32 can be retracted when adjusting, is disconnected with motor 37, guarantees safety
And convenience, the lower surface front end of the first support base 13 are fixedly installed with motor 37, are the positive and negative rotations of model YEJ-DES125
Motor, and be connected in series on double-direction control switch and working power by circuit, the rear side surface of motor 37 is fixedly connected by axis
There is connecting shaft 38, the rear side surface of connecting shaft 38 slides noose before the outer surface of the first square block 32 by square attaching apertures 39
The upper surface inside at end, workbench 1 is fixedly connected with support V-type seat 41 by support rod 4, can be improved with Auxiliary support workpiece
The both side surface of stability, support V-type seat 41 is equipped with rectangular adjustment hole 42, and the inner surface of rectangular adjustment hole 42 is slidably connected
There is rectangular adjusting rod 43, the outer surface of rectangular adjusting rod 43 is equipped with jack 44, and the outer surface sliding sleeve of rectangular adjusting rod 43 has
Tensioning spring 45, the outer surface of rectangular adjusting rod 43, which is fixedly connected with, adjusts V-type seat 46, and different length can be stretched out to two sides
Degree, and 44 positioned internal of jack is inserted by pin shaft, the spacing of Support Position can be increased, guarantee the stability of support, branch
Support V-type seat 41 and the fixed adhesion of the inner surface for adjusting V-type seat 46 have rubber buffer 47, can carry out when placing workpiece
Buffering, avoids colliding with, and guarantees stability, improves safety.
The present invention is in the specific implementation: when in use, can will adjust V-type seat 46 and pull outward, can also compress
Tensioning spring 45 and pull out rectangular adjusting rod 43, may then pass through pin shaft insertion jack 44 inside limit, avoid retracting, guarantee
Then workpiece can be placed into support V-type seat 41 and adjusted on V-type seat 46, by 47 damping of rubber buffer, kept away by stability
Exempt to collide with, improve stability, then can star motor 37 and rotated with connecting shaft 38, and then with 32 turns of the first square block
It is dynamic, it can also be rotated by the first rectangular open slot 23 with transmission shaft 21, be engaged by drive bevel gear 22 from mantle tooth
Wheel 16 passes to elevating screw thread bar 17 and is rotated, and may be implemented to go up and down, and lifting V-type seat 191 can be also increased in this way, from two
Workpiece is jacked up and is detached from support V-type seat 41 by side, guarantees convenience, and at this moment connecting rod 3 is rectangular second by rotating block 33
34 inner rotation of block can rotate to avoid with the second square block 34, and such handwheel 36 would not also rotate, and guarantee safety and stability
Property, and when motor 37 can not work, it needs to manually adjust, at this moment can be pulled back the second square block 34 by handwheel 36
It is dynamic, while entering the second rectangular 26 inside of open slot, square attaching apertures 39 can be detached from the first square block 32, also
It can be disconnected with motor 37, then can rotate handwheel 36, rotated by the second square block 34 with transmission shaft 21, also
It can manually adjust, the convenience used and stability can be greatly improved in this way, guarantee safety.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of mass center bias conversion testing lifting device, including workbench (1), it is characterised in that: the workbench (1)
Both ends are equipped with rectangular pilot hole (11) on the outside of upper surface, and the lower surface two sides of the workbench (1) are fixedly connected to supporting leg
(12), the first support base (13) are equipped at the inner surface center of the supporting leg (12), the inside of first support base (13)
It is rotatably connected to rotating bar (15) by ring block (14), the lower surface of institute's rotating bar (15) is fixedly installed with driven wheel of differential
(16), the upper surface of the rotating bar (15) is fixedly connected with elevating screw thread bar (17), the appearance of the elevating screw thread bar (17)
Face is threaded with rectangular guide rod (19) by elevating screw thread hole (18), and the outer surface of the rectangular guide rod (19), which is slided, to be connected
It is connected to the inner surface of rectangular pilot hole (11), the upper surface of the rectangular guide rod (19) is fixedly installed with lifting V-type seat
(191)；
Both ends are fixedly connected to the second support base (2) on the inside of the lower surface of the workbench (1), second support base (2)
Interior lower end be rotatably connected to transmission shaft (21), the outer surface both ends of the transmission shaft (21) are fixedly installed with active conical tooth
It takes turns (22), the outer surface of the drive bevel gear (22) is engaged in the outer surface of driven wheel of differential (16)；
The interior forward end of the transmission shaft (21) is equipped with the first rectangular open slot (23), the rear end table of the square aperture slot (23)
Face is equipped with connecting hole (24), and the rear end surface of the connecting hole (24) is equipped with avoid holes (25), the rear end of the avoid holes (25)
Surface is equipped with the second rectangular open slot (26), and the inner surface of the connecting hole (24) slidably connects connecting rod (3), the company
The outer surface front end sliding sleeve of extension bar (3) has compressible spring (31), and the front-end surface of the connecting rod (3) is fixedly connected with
First square block (32).
2. a kind of mass center bias conversion testing lifting device according to claim 1, it is characterised in that: the lifting V
There are two type seats (191), and is symmetrically distributed in the upper surface two sides of workbench (1).
3. a kind of mass center bias conversion testing lifting device according to claim 1, it is characterised in that: the first party
The inner surface front end of the first rectangular open slot (23) is slidably connected on rear side of the outer surface of shape block (32).
4. a kind of mass center bias conversion testing lifting device according to claim 1, it is characterised in that: the connecting rod
(3) rear side surface is rotatably connected to the second square block (34) by rotating block (33), the appearance of second square block (34)
Face is rotationally connected with the inner surface of avoid holes (25), and the rear side surface of second square block (34) is fixedly connected with connecting rod
(35), the rear side surface of the connecting rod (35) is fixedly installed with handwheel (36).
5. a kind of mass center bias conversion testing lifting device according to claim 1, it is characterised in that: described first
The lower surface front end of support seat (13) is fixedly installed with motor (37), and the rear side surface of the motor (37) is fixedly connected with by axis
The rear side surface of connecting shaft (38), the connecting shaft (38) slides noose in the first square block (32) by square attaching apertures (39)
Outer surface front end.
6. a kind of mass center bias conversion testing lifting device according to claim 1, it is characterised in that: the workbench
(1) support V-type seat (41), the two sides table of support V-type seat (41) are fixedly connected with by support rod (4) on the inside of upper surface
Face is equipped with rectangular adjustment hole (42), and the inner surface of the rectangular adjustment hole (42) slidably connects rectangular adjusting rod (43),
The outer surface of the rectangular adjusting rod (43) is equipped with jack (44), and the outer surface sliding sleeve of the rectangular adjusting rod (43), which has, to be opened
Tight spring (45), the outer surface of the rectangular adjusting rod (43), which is fixedly connected with, adjusts V-type seat (46).
7. a kind of mass center bias conversion testing lifting device according to claim 6, it is characterised in that: the support V
Type seat (41) and the fixed adhesion of the inner surface for adjusting V-type seat (46) have rubber buffer (47).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811032477.2A CN108892068B (en) | 2018-09-06 | 2018-09-06 | A kind of mass center bias conversion testing lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811032477.2A CN108892068B (en) | 2018-09-06 | 2018-09-06 | A kind of mass center bias conversion testing lifting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108892068A CN108892068A (en) | 2018-11-27 |
| CN108892068B true CN108892068B (en) | 2019-10-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811032477.2A Active CN108892068B (en) | 2018-09-06 | 2018-09-06 | A kind of mass center bias conversion testing lifting device |
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| CN (1) | CN108892068B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110153970A (en) * | 2019-06-14 | 2019-08-23 | 吉林工程技术师范学院 | A kind of adjustable working table for auto parts and components detection |
| CN110132489B (en) * | 2019-06-26 | 2020-11-03 | 长春理工大学 | Centroid measuring instrument |
| CN110865024A (en) * | 2019-11-16 | 2020-03-06 | 佛山市铂索润滑材料有限公司 | Metal cutting fluid performance testing equipment and using method |
| CN113089428B (en) * | 2021-04-12 | 2022-07-12 | 祥昇建工有限公司 | Roller napping construction device for cement pavement of country road |
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| KR20130142305A (en) * | 2012-06-19 | 2013-12-30 | 김광일 | Apparatus of lifting bath |
| CN204612861U (en) * | 2015-02-16 | 2015-09-02 | 孙庆军 | Portable force measuring measuring device |
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|---|---|---|---|---|
| KR20130142305A (en) * | 2012-06-19 | 2013-12-30 | 김광일 | Apparatus of lifting bath |
| CN204612861U (en) * | 2015-02-16 | 2015-09-02 | 孙庆军 | Portable force measuring measuring device |
| CN105236322A (en) * | 2015-11-10 | 2016-01-13 | 长春理工大学 | Lifting mechanism of mass center and eccentricity conversion test equipment |
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| CN108892068A (en) | 2018-11-27 |
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