CN209479726U - A kind of grand piano upwelling and down-welling is changed trains or buses - Google Patents
A kind of grand piano upwelling and down-welling is changed trains or buses Download PDFInfo
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- CN209479726U CN209479726U CN201920020786.1U CN201920020786U CN209479726U CN 209479726 U CN209479726 U CN 209479726U CN 201920020786 U CN201920020786 U CN 201920020786U CN 209479726 U CN209479726 U CN 209479726U
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- sliding block
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Abstract
A kind of grand piano upwelling and down-welling is changed trains or buses, including worm and worm gear, and worm gear center sets internal thread hole, is equipped in the hole of the internal screw thread with externally threaded elevating lever, the lifting worm and wheel engaged transmission;Elevating lever top is fixed with support platform, and pedestal is run through in elevating lever lower part;Support platform one end is equipped with support footed glass, and support platform one end is equipped with support plate, and pedestal lower part is equipped with idler wheel;Scissors mechanism is equipped between the support platform and pedestal, two endpoints up and down of described scissors mechanism the same side are fixedly connected with support platform and pedestal respectively, movable end and support platform are connected by upper sliding equipment on scissors mechanism, and lower movable end is connect with pedestal by lower sliding body.The present apparatus facilitates selecting transfer cam piano, will not cause to wear to grand piano and damage;By elevating lever and the common support triangle piano of scissors mechanism, stable structure is highly-safe.
Description
Technical field
The utility model belongs to piano transfer device field, in particular to a kind of grand piano upwelling and down-welling is changed trains or buses.
Background technique
The weight weight and volume of grand piano are big, need to move in grand piano production installation, maintenance, transport process
When.Usually moved by the way of installing interim piano leg additional, need to install additional multiple screws and fix, operate it is both inconvenient or
It is easy grand piano paint of damaging.
And when the finished product grand piano in the regions such as qin row, music hall, school is mobile, although having installed the qin of foot wheel
Leg, but the main function of piano leg castor is load for beautiful and support triangle piano rather than movable triangular piano, temporarily
Movable triangular piano is extremely difficult, furthermore castor is copper piece, is also easy to produce abrasion, seriously affects appearance.
Utility model content
In view of technical problem present in background technique, a kind of grand piano lifting circulation provided by the utility model
Vehicle facilitates selecting transfer cam piano, will not cause to wear to grand piano and damage;It is supported jointly by elevating lever and scissors mechanism
Grand piano, stable structure are highly-safe.
In order to solve the above-mentioned technical problem, the utility model takes following technical solution to realize:
A kind of grand piano upwelling and down-welling is changed trains or buses, including worm and worm gear, the worm and worm gear include worm gear and
Worm screw, worm gear center set internal thread hole, are equipped in the hole of the internal screw thread with externally threaded elevating lever, the elevating lever with
Worm gear engaged transmission;Worm gear is mounted on the base by bearing, and elevating lever top is fixed with support platform, and elevating lever lower part is run through
Pedestal;Worm screw one end is connected with runner;
Support platform one end is equipped with support footed glass, and support platform one end is equipped with support plate, and pedestal lower part is equipped with idler wheel;
Scissors mechanism, two endpoints up and down of described scissors mechanism the same side are equipped between the support platform and pedestal
It is fixedly connected respectively with support platform and pedestal, two endpoints up and down of the scissors mechanism other side are referred to as movable end under
Movable end, upper movable end and support platform are connected by upper sliding equipment, and lower movable end is connect with pedestal by lower sliding body.
In preferred scheme, the upper sliding equipment and lower sliding body are sliding slot and pulley structure, and pulley is in cunning
Sliding in slot;The sliding slot is separately fixed in support platform and pedestal, and the pulley is respectively installed on scissors mechanism movable
End and lower movable end;
Sliding slot on pedestal is equipped with several holes, and socket joint has positioning pin in the hole of the chute of base, and positioning pin consolidates pulley
It is fixed.
In preferred scheme, the upper sliding equipment is sliding slot and pulley structure, and pulley slides in sliding slot;Sliding slot is solid
It is scheduled in support platform, pulley is installed in the upper movable end of scissors mechanism;
The lower sliding body is slideway and slide block structure, and slideway is fixed on the base, and sliding block is installed in scissors mechanism
Lower movable end;The slideway lower surface is triangle rack structure;Sliding block is hollow structure and is socketed on slideway, is set in sliding block
There is a wishbone, towards the tooth of slideway, wishbone tip connect by shaft with sliding block for the V-shaped part of the wishbone, and wishbone is around described
Shaft rotation;Wishbone is equipped with limit plate on one side, and limit plate is connect by shaft with sliding block, and limit plate is rotated around the shaft;V
Another side of shape frame is equipped with spring, and wishbone is connect by spring with sliding block;
The shaft of the limit plate is connect through sliding block and with handle, is unidirectionally slided by rotation handle realization sliding block or double
To sliding.
In preferred scheme, the limit plate is V-arrangement limit plate, and the angle of V-arrangement limit plate is acute angle;The wishbone
Angle be acute angle, the lance tooth of slideway lower surface is also acute angle;
Rotation handle drives limit plate to rotate to wishbone direction, until one side contact slipper bottom plate of limit plate, this
When sliding block can only unidirectionally slide;
Rotating handle drives limit plate to rotate to wishbone opposite direction, until one side contact slipper bottom plate of limit plate,
Sliding block energy Bidirectional slide at this time.
In preferred scheme, the quantity at least two of the support footed glass supports the threaded rod of footed glass flat through support
Platform, support footed glass are connected through a screw thread with support platform;Footed glass upper surface is supported to be equipped with rubber.
In preferred scheme, the support plate upper surface is equipped with rubber.
In preferred scheme, the idler wheel is universal wheel.
In preferred scheme, the runner is equipped with handle.
This patent can reach it is following the utility model has the advantages that
1, worm and worm gear drives and moves on elevating lever, so that support platform be driven to jack up grand piano, scissors mechanism
Rise with support platform, although scissors mechanism cannot directly play driving effect, can with assistance for lifting bar support triangle piano,
Increase the stability of the present apparatus;
2, positioning pin can fix the pulley of scissors mechanism, to secure entire scissors mechanism, scissors mechanism can be made to have
Effect ground support grand piano;
3, sliding block and wishbone, limit plate and spring in sliding block are able to achieve the unidirectional and way moving of sliding block, can make to cut
Pitch mechanism more effectively more easily support triangle piano;
4, support plate and support footed glass upper surface are equipped with rubber, and grand piano can be protected not frayed;
5, idler wheel uses universal wheel, it is ensured that the present apparatus is mobile flexible.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawings and examples:
Fig. 1 is the utility model of the whole structure diagram;
Fig. 2 is the first connection schematic diagram of the utility model scissors mechanism, and upper sliding equipment and lower sliding body are equal at this time
For sliding slot and pulley structure;
Fig. 3 is second of connection schematic diagram of the utility model scissors mechanism, and upper sliding equipment is sliding slot and pulley knot at this time
Structure, lower sliding body are slideway and slide block structure;
Fig. 4 is the utility model slideway and slide block structure partial enlarged view;
Fig. 5 is the structural schematic diagram that the utility model sliding block can only slide to the left;
Fig. 6 is the structural schematic diagram that the anti-limited slip block of the utility model slides to the right;
Fig. 7 is that the utility model sliding block not only can to the left but also the structural schematic diagram that can slide to the right;
Fig. 8 is the first effect picture of the utility model worm and worm gear;
Fig. 9 is second of effect picture of the utility model worm and worm gear;
Figure 10 is the effect picture that the utility model jacks up grand piano.
In figure: pedestal 1, worm gear 3, worm screw 4, support platform 5, runner 6, scissors mechanism 7, support footed glass 8, is slided elevating lever 2
Slot 91, pulley 92, slideway 93, sliding block 94, wishbone 95, limit plate 96, spring 97, handle 98, idler wheel 10, support plate 11, positioning
Pin 12, handle 13.
Specific embodiment
Embodiment 1:
Preferred scheme is as shown in Fig. 1, Fig. 8 and Fig. 9, and a kind of grand piano upwelling and down-welling is changed trains or buses, including worm and worm gear,
The worm and worm gear includes worm gear 3 and worm screw 4, and 3 center of worm gear sets internal thread hole, sets in the hole of the internal screw thread
Have with externally threaded elevating lever 2, the elevating lever 2 and 3 engaged transmission of worm gear;Worm gear 3 is mounted on pedestal 1 by bearing, is risen
It drops 2 top of bar and support platform 5 is fixed, pedestal 1 is run through in 2 lower part of elevating lever, and elevating lever 2 is located at the middle part of pedestal;4 one end of worm screw
It is connected with runner 6, worm screw 4 is fixed by bearing and pedestal, guarantees that worm screw 4 can smooth rotation;
Clamshell is equipped with outside the worm gear 3, for protecting worm and worm gear;
5 one end of support platform is equipped with support footed glass 8, and 5 other end of support platform is equipped with support plate 11, and 1 lower part of pedestal is equipped with
Idler wheel 10;
Between the support platform 5 and pedestal 1 be equipped with scissors mechanism 7, two up and down of described 7 the same side of scissors mechanism
Endpoint is fixedly connected with support platform 5 and pedestal 1 respectively, and scissors mechanism 7 described here and support platform 5 and pedestal 1 are fixed
Two endpoints are located at close to 3 side of worm gear;
Two endpoints up and down of 7 other side of scissors mechanism are referred to as movable end and lower movable end, upper movable end and branch
Support platform 5 is connected by upper sliding equipment, and lower movable end is connect with pedestal 1 by lower sliding body.
Preferred scheme is as shown in Fig. 2, the upper sliding equipment and lower sliding body are 92 knot of sliding slot 91 and pulley
Structure, pulley 92 slide in sliding slot 91;The sliding slot 91 is separately fixed in support platform 5 and pedestal 1, and the pulley 92 is distinguished
It is installed in movable end and lower movable end on scissors mechanism 7;
Sliding slot 91 on pedestal 1 is equipped with several holes, and socket joint has positioning pin 12, positioning pin in the hole of 1 sliding slot 91 of pedestal
12 is fixed by pulley 92;The positioning pin 12 takes out in 92 moving process of pulley, when scissors mechanism 7 rises to specified altitude assignment
When, positioning pin 12 can be inserted into, anti-limited slip wheel 92 slides.
Preferred scheme supports the quantity at least two of footed glass 8 as shown in Fig. 1 and Figure 10, and the threaded rod of support footed glass 8 passes through
Support platform 5 is worn, support footed glass 8 is connected through a screw thread with support platform 5;8 upper surface of footed glass is supported to be equipped with rubber.
For preferred scheme as shown in Fig. 1 and Figure 10,11 upper surface of support plate is equipped with rubber.
For preferred scheme as shown in Fig. 1 and Figure 10, the idler wheel 10 is universal wheel.
For preferred scheme as shown in Fig. 1 and Figure 10, runner 6 is equipped with handle 13.
The working principle of whole device is as follows in this embodiment:
1, the present apparatus is pushed into grand piano bottom from side, rotating wheel 6 is flat by support by worm and worm gear
Platform 5 rises, to jack up grand piano;Scissors mechanism 7 rises during this;
2, using the fixed pulley 92 of positioning pin 12, guarantee the weight of scissors mechanism 7 and elevating lever 2 while support triangle piano
Amount;
3, when grand piano is transported to designated place, positioning pin 12 is extracted, rotating wheel 6 passes through worm and worm gear
Support platform 5 is declined.
Embodiment 2:
On the basis of embodiment 1, as follows with more preferably structure:
Preferred scheme is as shown in Fig. 3 to Fig. 7, and upper sliding equipment is 92 structure of sliding slot 91 and pulley, and pulley 92 is in sliding slot
Sliding in 91;Sliding slot 91 is fixed in support platform 5, and pulley 92 is installed in the upper movable end of scissors mechanism 7;
The lower sliding body is 94 structure of slideway 93 and sliding block, and slideway 93 is fixed on pedestal 1, and sliding block 94, which is installed in, to be cut
Pitch the lower movable end of mechanism 7;93 lower surface of slideway is triangle rack structure;Sliding block 94 is hollow structure and is socketed in cunning
On road 93, wishbone 95 is equipped in sliding block 94, the V-shaped part of the wishbone 95 is towards the tooth of slideway 93, and 95 tip of wishbone is by turning
Axis is connect with sliding block 94, and wishbone 95 is rotated around the shaft;95 one side of wishbone is equipped with limit plate 96, and limit plate 96 passes through shaft
It is connect with sliding block 94, limit plate 96 is rotated around the shaft;Another side of wishbone 95 be equipped with spring 97, spring 97 by wishbone 95 with
Sliding block 94 connects;When the selection of spring 97 and installation, as long as guaranteeing the wishbone 95V shape mouth court without external forces of wishbone 95
It is upper;
The shaft of the limit plate 96 is connect through sliding block 94 and with handle 98, realizes that sliding block 94 is single by rotation handle 98
To sliding or Bidirectional slide.
Preferred scheme is as shown in Figures 4 to 7, and the limit plate 96 is V-arrangement limit plate, and the angle of V-arrangement limit plate is
Acute angle;The angle of the wishbone 95 is acute angle, and the lance tooth of 93 lower surface of slideway is also acute angle;
Rotation handle 98 drives limit plate 96 to rotate (being to rotate clockwise by 6 visual angle of attached drawing) to 95 direction of wishbone, until
Until 94 bottom plate of one side contact slipper of limit plate 96, sliding block 94 can only be slided unidirectionally at this time;The state of limit plate 96 is such as at this time
Fig. 5 and location status shown in fig. 6, sliding block 94 can only be moved to the left, and when sliding block 94 moves right, limit plate 96 has blocked V
Shape frame 95, and wishbone 95 can bump against with the tooth of slideway 93, so that anti-limited slip block 94 moves right;
Rotation handle 98 drives limit plate 96 to the rotation of 95 opposite direction of wishbone (being to rotate counterclockwise by 7 visual angle of attached drawing), directly
Until 94 bottom plate of one side contact slipper of limit plate 96, sliding block 94 can Bidirectional slide at this time;The state of limit plate 96 is such as at this time
Location status shown in Fig. 7, no matter sliding block 94 to the left or moves right, and wishbone 95 will not all hinder sliding block 94 mobile;
Left and right both direction mentioned above is using the angle of attached drawing as standard.
The working principle of whole device is as follows in this embodiment:
1, the present apparatus is pushed into grand piano bottom from side, rotating wheel 6 is flat by support by worm and worm gear
Platform 5 rises, to jack up grand piano;Scissors mechanism 7 rises during this, and rotation handle 98 makes sliding block 94 guarantee unidirectional cunning
It is dynamic;
2, scissors mechanism 7 is under the action of sliding block 94 unidirectionally slides, it is ensured that scissors mechanism 7, which can only rise, to be declined;
The weight of scissors mechanism 7 and elevating lever 2 while support triangle piano, plays the role of dual support;
3, when grand piano is transported to designated place, rotation handle 98 makes sliding block 94 guarantee Bidirectional slide, rotating wheel 6
Support platform 5 is declined by worm and worm gear.
The above embodiments are only the optimal technical scheme of the utility model, and are not construed as the limit for the utility model
System, the technical solution that the protection scope of the utility model should be recorded with claim, the technical solution recorded including claim
The equivalents of middle technical characteristic are protection scope.Equivalent replacement i.e. within this range is improved, also in the utility model
Protection scope within.
Claims (8)
1. a kind of grand piano upwelling and down-welling is changed trains or buses, including worm and worm gear, the worm and worm gear include worm gear (3) and
Worm screw (4), it is characterised in that: worm gear (3) center sets internal thread hole, is equipped in the hole of the internal screw thread with externally threaded liter
It drops bar (2), the elevating lever (2) and worm gear (3) engaged transmission;Worm gear (3) is mounted on pedestal (1) by bearing, elevating lever
(2) top and support platform (5) are fixed, and pedestal (1) is run through in elevating lever (2) lower part;Worm screw (4) one end is connected with runner (6);
Support platform (5) one end is equipped with support footed glass (8), and support platform (5) other end is equipped with support plate (11), under pedestal (1)
Portion is equipped with idler wheel (10);
Scissors mechanism (7) are equipped between the support platform (5) and pedestal (1), above and below described scissors mechanism (7) the same side
Two endpoints are fixedly connected with support platform (5) and pedestal (1) respectively, two endpoints point up and down of scissors mechanism (7) other side
It is also known as upper movable end and lower movable end, upper movable end is connect with support platform (5) by upper sliding equipment, lower movable end and bottom
Seat (1) is connected by lower sliding body.
2. a kind of grand piano upwelling and down-welling according to claim 1 is changed trains or buses, it is characterised in that: the upper sliding equipment and
Lower sliding body is sliding slot (91) and pulley (92) structure, pulley (92) sliding in sliding slot (91);The sliding slot (91) point
Be not fixed in support platform (5) and pedestal (1), the pulley (92) be respectively installed on scissors mechanism (7) movable end and under
Movable end;
Sliding slot (91) on pedestal (1) is equipped with several holes, and socket joint has positioning pin (12) in the hole of pedestal (1) sliding slot (91),
Positioning pin (12) is fixed by pulley (92).
3. a kind of grand piano upwelling and down-welling according to claim 1 is changed trains or buses, it is characterised in that: upper sliding equipment is sliding slot
(91) it is slided in sliding slot (91) with pulley (92) structure, pulley (92);Sliding slot (91) is fixed on support platform (5), pulley
(92) it is installed in the upper movable end of scissors mechanism (7);
The lower sliding body is slideway (93) and sliding block (94) structure, and slideway (93) is fixed on pedestal (1), sliding block (94) dress
It is located at the lower movable end of scissors mechanism (7);Slideway (93) lower surface is triangle rack structure;Sliding block (94) is hollow knot
It structure and is socketed on slideway (93), is equipped with wishbone (95) in sliding block (94), the V-shaped part of the wishbone (95) is towards slideway (93)
Tooth, wishbone (95) tip connect by shaft with sliding block (94), and wishbone (95) is around shaft rotation;Wishbone (95) one
Side is equipped with limit plate (96), and limit plate (96) is connect by shaft with sliding block (94), and limit plate (96) is rotated around the shaft;V
Shape frame (95) another side is equipped with spring (97), and wishbone (95) is connect by spring (97) with sliding block (94);
The shaft of the limit plate (96) is connect through sliding block (94) and with handle (98), realizes sliding block by rotation handle (98)
(94) unidirectional sliding or Bidirectional slide.
4. a kind of grand piano upwelling and down-welling according to claim 3 is changed trains or buses, it is characterised in that: the limit plate (96) is
V-arrangement limit plate, the angle of V-arrangement limit plate are acute angle;The angle of the wishbone (95) be acute angle, the three of slideway (93) lower surface
Angular teeth is also acute angle;
Rotation handle (98) drives limit plate (96) to rotate to wishbone (95) direction, until the contact on one side of limit plate (96) is sliding
Until block (94) bottom plate, sliding block (94) can only be slided unidirectionally at this time;
Rotating handle (98) drives limit plate (96) to rotate to wishbone (95) opposite direction, until the contact on one side of limit plate (96)
Until sliding block (94) bottom plate, sliding block (94) can Bidirectional slide at this time.
5. a kind of grand piano upwelling and down-welling according to claim 1 is changed trains or buses, it is characterised in that: the quantity of support footed glass (8)
At least two, the threaded rod of support footed glass (8) runs through support platform (5), and support footed glass (8) and support platform (5) pass through screw thread
Connection;Footed glass (8) upper surface is supported to be equipped with rubber.
6. a kind of grand piano upwelling and down-welling according to claim 1 is changed trains or buses, it is characterised in that: support plate (11) upper surface is set
There is rubber.
7. a kind of grand piano upwelling and down-welling according to claim 1 is changed trains or buses, it is characterised in that: the idler wheel (10) is ten thousand
To wheel.
8. a kind of grand piano upwelling and down-welling according to claim 1 is changed trains or buses, it is characterised in that: runner (6) is equipped with handle
(13).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201920020786.1U CN209479726U (en) | 2019-01-07 | 2019-01-07 | A kind of grand piano upwelling and down-welling is changed trains or buses |
Applications Claiming Priority (1)
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CN201920020786.1U CN209479726U (en) | 2019-01-07 | 2019-01-07 | A kind of grand piano upwelling and down-welling is changed trains or buses |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112575764A (en) * | 2020-12-01 | 2021-03-30 | 浙江河海建设有限公司 | Flashboard ship convenient for underwater shearing of plastic drainage board and construction process thereof |
CN113771925A (en) * | 2021-09-30 | 2021-12-10 | 中国工程物理研究院机械制造工艺研究所 | Locking structure and quick foldable double-deck shallow |
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2019
- 2019-01-07 CN CN201920020786.1U patent/CN209479726U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112575764A (en) * | 2020-12-01 | 2021-03-30 | 浙江河海建设有限公司 | Flashboard ship convenient for underwater shearing of plastic drainage board and construction process thereof |
CN112575764B (en) * | 2020-12-01 | 2022-05-17 | 浙江河海建设有限公司 | Flashboard ship convenient for underwater shearing of plastic drainage board and construction process thereof |
CN113771925A (en) * | 2021-09-30 | 2021-12-10 | 中国工程物理研究院机械制造工艺研究所 | Locking structure and quick foldable double-deck shallow |
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