A kind of bridge construction lifting device
Technical field
The present invention relates to a kind of lifting device more particularly to a kind of bridge construction lifting devices.
Background technique
Bridge refers generally to be erected in rivers,lakes and seas, the structures for making traffic etc. that can smoothly pass through.It is modern to adapt to
The transportation industry of high speed development, bridge be also extended to across mountain stream, unfavorable geology or meet other traffic need and set up make
Current more convenient and fast building.Bridge is generally made of superstructure, substructure, support and attached structure, top knot
Structure is also known as bridge span structure, is across the primary structure of obstacle;Substructure includes abutment, bridge pier and basis;Support is spanning knot
The load transfer device of the bearing place setting of structure and bridge pier or abutment;Attached structure then refer to transition slab at bridge head, truncated cone banking, shore protection,
Training works etc..In bridge construction, aloft operation is needed sometimes, because of the carelessness of staff, can forget band one
Lower tool, or some materials are needed, it at this moment otherwise is exactly that staff oneself gets off to take, or people on the ground is made to connect
Come, not only troublesome in this way and dangerous, tool or material if staff above does not hold steadily, cause tool or
Person's material is fallen, that will can be very dangerous.
To sum up, need to research and develop at present it is a kind of it is easy to use, using safe bridge construction lifting device, to overcome now
The dangerous and troublesome disadvantage of the staff that tool or material are passed into top.
Summary of the invention
(1) technical problems to be solved
The present invention is dangerous and troublesome in order to overcome the staff that tool or material are passed to top now
The shortcomings that, the technical problem to be solved in the present invention is to provide it is a kind of it is easy to use, use safe bridge construction lifting device.
(2) technical solution
In order to solve the above-mentioned technical problems, the present invention provides such a bridge construction lifting devices, include vehicle
Body, wheel, telescopic rod, the first guide sleeve, first motor, support plate, first bearing seat, first rotating shaft, gear, the second motor, spiral shell
Bar, nut, the second guide sleeve, rack gear, the first placement plate, placing frame and push rod, vehicle bottom are equipped with wheel, bottom, right in car body
Side is equipped with support plate, and support plate top is equipped with first bearing seat, and car body left wall right side central is equipped with telescopic rod, and telescopic rod right end connects
It is connected to the first guide sleeve, car body left wall right upper portion is equipped with first motor and the second motor, and first motor is below the second motor, and the
On output shaft on the right side of one motor and it is equipped with first rotating shaft in first bearing seat, is connected between the first rotating shaft of the left and right sides
Gear is connected with screw rod on the output shaft on the right side of the second motor, nut is screwed on screw rod, the second guide sleeve is equipped on front side of nut, the
Two guide sleeves and the first guide sleeve inner sleeve have rack gear, and rack and pinion engagement, rack gear top is connected with the first placement plate, the first placement plate
Top is equipped with placing frame, and car body left wall left upper portion is equipped with push rod.
Preferably, further include having apparatus for placing, apparatus for placing is equipped at the top of the first placement plate, apparatus for placing includes annular
Sliding rail, the first sliding block, the second sliding rail, the second sliding block and the second placement plate, the first placement plate top are equipped with endless glide, and annular is sliding
Bilateral symmetry slidingtype is connected with the first sliding block in rail, and the first slider top is connected with the second sliding rail, slidingtype on the second sliding rail
It is connected with the second sliding block, the second slider top is connected with the second placement plate, and bilateral symmetry is provided with placing groove at the top of the second placement plate,
Placing frame is placed in placing groove.
It preferably, further include having baffle and pull ring, left and right is symmetrically arranged with baffle at the top of the second placement plate, and baffle is in placing frame
Outside, baffle outside are equipped with pull ring.
It preferably, further include having fixed device, car body left wall lower part is equipped with fixed device, and fixed device includes that third is sliding
Rail, third sliding block, inserted link, pressing board, the first magnet and the second magnet, car body left wall outer lower portion are embedded with third sliding rail, and third is sliding
Slidingtype is connected with third sliding block on rail, is equipped with inserted link on the left of third sliding block, inserted link top is connected with pressing board, pressing board top right side
Embedded with the first magnet, third sliding rail left upper portion is equipped with the second magnet, and the second magnet and the first magnet are attracted.
It preferably, further include having second bearing seat and the second shaft, the first placement plate top center is equipped with second bearing seat,
The second shaft is equipped in second bearing seat, the second shaft top is connected to the second sliding rail bottom centre.
Working principle: when needing to carry out the transmitting of tool or material using the equipment, user needs staff
Tool and material are placed in placing frame, then which is pushed to the lower section of staff, then the second electricity of user's control
Machine rotates counterclockwise, and screw rod is driven to rotate counterclockwise, and then nut is driven to move right, so that nut be driven to move right, makes
It obtains the second guide sleeve to move right, band carry-over bar moves right, and then the first placement plate is driven to move right, to drive placing frame
It moves right, drives the first guide sleeve to move right simultaneously as rack gear moves right, telescopic rod is elongated, when placing frame moves right
When moving the lower section of staff, the second motor of user's control stops working, and then user's control first motor rotates counterclockwise,
It drives first rotating shaft to rotate counterclockwise, and then is rotated counterclockwise with moving gear, to be moved up with carry-over bar, so that driving the
One placement plate moves up, drive placing frame move up, placing frame be moved upwards up to staff be suitble to fetching tool or
When the height of material, user's control first motor stops working, and then staff takes tool and material away.When staff will
After tool and material are all taken away, user's control first motor is rotated clockwise, and drives first rotating shaft to rotate clockwise, and then band
Moving gear rotates clockwise, to be moved down with carry-over bar so that the first placement plate is driven to move down, drive placing frame to
Lower movement, when placing frame is moved down into elemental height, user's control first motor stops working.Then the second electricity of user's control
Machine rotates clockwise, and screw rod is driven to rotate clockwise, and then nut is driven to be moved to the left, thus with carry-over bar and thereon device to
It moves left, after rack gear is moved to the left reset, the second motor of user's control stops working, and rack gear is led to reset strap dynamic first is moved to left
Set is moved to the left reset, and telescopic rod is shrunk to original state.Then equipment is back into placement location by user.In this way, passing through the equipment
User can be allowed not need to stand in the lower section of staff, so that it may the staff that tool and material are passed to top, every
The danger that falls of tool and material absolutely, while placing frame can place more materials and tool, reached easy to use
Effect.First guide sleeve can allow rack gear raising and lowering more steady.
Because further including having apparatus for placing, apparatus for placing is equipped at the top of the first placement plate, apparatus for placing includes annular cunning
Rail, the first sliding block, the second sliding rail, the second sliding block and the second placement plate, the first placement plate top are equipped with endless glide, endless glide
Interior bilateral symmetry slidingtype is connected with the first sliding block, and the first slider top is connected with the second sliding rail, and slidingtype connects on the second sliding rail
It is connected to the second sliding block, the second slider top is connected with the second placement plate, and bilateral symmetry is provided with placing groove at the top of the second placement plate, puts
It sets and is placed with placing frame in slot.So user can be separated in two placing frames by material and tool, needing to take
When tool or material, staff can will need the placing frame taken to turn to oneself side, then take again, if putting
It is remote from staff to set frame, staff can pull the second placement plate, allow the second placement plate and device is more thereon
Close to oneself, staff is facilitated to take tool or material, after staff takes material and tool, work people
Second placement plate is pushed back initial position by member.In this way, separated tool and material, can prevent tool and material mixed
Confuse, the second sliding rail and the second sliding block facilitate staff's drawn material and tool.
Because further including having baffle and pull ring, left and right is symmetrically arranged with baffle at the top of the second placement plate, and baffle is outside placing frame
Side, baffle outside are equipped with pull ring.When baffle can prevent from pulling the second placement plate, placing frame is shaken, and pull ring can be convenient work
Personnel pull the second placement plate.
Because further including having fixed device, car body left wall lower part is equipped with fixed device, fixed device include third sliding rail,
Third sliding block, inserted link, pressing board, the first magnet and the second magnet, car body left wall outer lower portion is embedded with third sliding rail, on third sliding rail
Slidingtype is connected with third sliding block, is equipped with inserted link on the left of third sliding block, inserted link top is connected with pressing board, and pressing board top right side is embedded with
First magnet, third sliding rail left upper portion are equipped with the second magnet, and the second magnet and the first magnet are attracted.So this is set in user
When the standby lower section for being moved to staff, user separates the first magnet and the second magnet, inserted link is then inserted into ground, so
Staff's equipment when pulling the second placement plate can be prevented mobile, after staff takes tool and material away, user
Inserted link is pulled up, is then attracted the first magnet and the second magnet again.
Because further including having second bearing seat and the second shaft, the first placement plate top center is equipped with second bearing seat, the
The second shaft is equipped in two bearing bracket, the second shaft top is connected to the second sliding rail bottom centre.So second bearing seat and
Two shafts can share the quality of the second sliding rail receiving, improve the service life of the second sliding rail.
(3) beneficial effect
Invention achieves it is easy to use, using safe effect, the equipment can allow user do not need station work people
The lower section of member, so that it may which the staff that tool and material are passed to top has completely cut off the danger that tool and material are fallen, together
When placing frame can place more materials and tool, reached effect easy to use, separated tool and material, can be with
Prevent tool and material from obscuring, the second sliding rail and the second sliding block facilitate staff's drawn material and tool, and inserted link is inserted into
Ground can prevent staff's equipment when pulling the second placement plate mobile, improve the safety of equipment.
Detailed description of the invention
Fig. 1 is the first schematic view of the front view of the invention.
Fig. 2 is second of schematic view of the front view of the invention.
Fig. 3 is the third schematic view of the front view of the invention.
Fig. 4 is the 4th kind of schematic view of the front view of the invention.
Fig. 5 is the 5th kind of schematic view of the front view of the invention.
The label in accompanying drawing is: 1- car body, 2- wheel, 3- telescopic rod, the first guide sleeve of 4-, 5- first motor, 6- support plate,
7- first bearing seat, 8- first rotating shaft, 9- gear, the second motor of 10-, 11- screw rod, 12- nut, the second guide sleeve of 13-, 14- tooth
Item, the first placement plate of 15-, 16- placing frame, 17- push rod, 18- apparatus for placing, 181- endless glide, the first sliding block of 182-, 183-
Second sliding rail, the second sliding block of 184-, the second placement plate of 185-, 186- placing groove, 19- baffle, 20- pull ring, the fixed device of 21-,
211- third sliding rail, 212- third sliding block, 213- inserted link, 214- pressing board, the first magnet of 215-, the second magnet of 216-, 22- second
Bearing block, the second shaft of 23-.
Specific embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples.
Embodiment 1
A kind of bridge construction lifting device includes as shown in Figs. 1-5 car body 1, wheel 2, telescopic rod 3, the first guide sleeve
4, first motor 5, support plate 6, first bearing seat 7, first rotating shaft 8, gear 9, the second motor 10, screw rod 11, nut 12, second
Guide sleeve 13, rack gear 14, the first placement plate 15, placing frame 16 and push rod 17,1 bottom of car body are equipped with wheel 2, bottom in car body 1
Right side is equipped with support plate 6, and 6 top of support plate is equipped with first bearing seat 7, and 1 left wall right side central of car body is equipped with telescopic rod 3, reduction
3 right end of bar is connected with the first guide sleeve 4, and 1 left wall right upper portion of car body is equipped with first motor 5 and the second motor 10, first motor 5 exist
Below second motor 10, first rotating shaft 8, the left and right sides are equipped on the output shaft on 5 right side of first motor and in first bearing seat 7
First rotating shaft 8 between be connected with gear 9, be connected with screw rod 11 on the output shaft on 10 right side of the second motor, be screwed on screw rod 11
Nut 12 is equipped with the second guide sleeve 13 on front side of nut 12, and the second guide sleeve 13 and 4 inner sleeve of the first guide sleeve have rack gear 14, rack gear 14 and tooth
9 engagement of wheel, 14 top of rack gear are connected with the first placement plate 15, placing frame 16 are equipped at the top of the first placement plate 15, and 1 left wall of car body is left
Upper lateral part is equipped with push rod 17.
Embodiment 2
A kind of bridge construction lifting device includes as shown in Figs. 1-5 car body 1, wheel 2, telescopic rod 3, the first guide sleeve
4, first motor 5, support plate 6, first bearing seat 7, first rotating shaft 8, gear 9, the second motor 10, screw rod 11, nut 12, second
Guide sleeve 13, rack gear 14, the first placement plate 15, placing frame 16 and push rod 17,1 bottom of car body are equipped with wheel 2, bottom in car body 1
Right side is equipped with support plate 6, and 6 top of support plate is equipped with first bearing seat 7, and 1 left wall right side central of car body is equipped with telescopic rod 3, reduction
3 right end of bar is connected with the first guide sleeve 4, and 1 left wall right upper portion of car body is equipped with first motor 5 and the second motor 10, first motor 5 exist
Below second motor 10, first rotating shaft 8, the left and right sides are equipped on the output shaft on 5 right side of first motor and in first bearing seat 7
First rotating shaft 8 between be connected with gear 9, be connected with screw rod 11 on the output shaft on 10 right side of the second motor, be screwed on screw rod 11
Nut 12 is equipped with the second guide sleeve 13 on front side of nut 12, and the second guide sleeve 13 and 4 inner sleeve of the first guide sleeve have rack gear 14, rack gear 14 and tooth
9 engagement of wheel, 14 top of rack gear are connected with the first placement plate 15, placing frame 16 are equipped at the top of the first placement plate 15, and 1 left wall of car body is left
Upper lateral part is equipped with push rod 17.
Further include having apparatus for placing 18, apparatus for placing 18 is equipped at the top of the first placement plate 15, apparatus for placing 18 includes ring
Shape sliding rail 181, the first sliding block 182, the second sliding rail 183, the second sliding block 184 and the second placement plate 185,15 top of the first placement plate
Equipped with endless glide 181, bilateral symmetry slidingtype is connected with the first sliding block 182,182 top of the first sliding block in endless glide 181
It is connected with the second sliding rail 183, slidingtype is connected with the second sliding block 184 on the second sliding rail 183, is connected at the top of the second sliding block 184
Second placement plate 185,185 top bilateral symmetry of the second placement plate are provided with placing groove 186, are placed with placing frame in placing groove 186
16。
Embodiment 3
A kind of bridge construction lifting device includes as shown in Figs. 1-5 car body 1, wheel 2, telescopic rod 3, the first guide sleeve
4, first motor 5, support plate 6, first bearing seat 7, first rotating shaft 8, gear 9, the second motor 10, screw rod 11, nut 12, second
Guide sleeve 13, rack gear 14, the first placement plate 15, placing frame 16 and push rod 17,1 bottom of car body are equipped with wheel 2, bottom in car body 1
Right side is equipped with support plate 6, and 6 top of support plate is equipped with first bearing seat 7, and 1 left wall right side central of car body is equipped with telescopic rod 3, reduction
3 right end of bar is connected with the first guide sleeve 4, and 1 left wall right upper portion of car body is equipped with first motor 5 and the second motor 10, first motor 5 exist
Below second motor 10, first rotating shaft 8, the left and right sides are equipped on the output shaft on 5 right side of first motor and in first bearing seat 7
First rotating shaft 8 between be connected with gear 9, be connected with screw rod 11 on the output shaft on 10 right side of the second motor, be screwed on screw rod 11
Nut 12 is equipped with the second guide sleeve 13 on front side of nut 12, and the second guide sleeve 13 and 4 inner sleeve of the first guide sleeve have rack gear 14, rack gear 14 and tooth
9 engagement of wheel, 14 top of rack gear are connected with the first placement plate 15, placing frame 16 are equipped at the top of the first placement plate 15, and 1 left wall of car body is left
Upper lateral part is equipped with push rod 17.
Further include having apparatus for placing 18, apparatus for placing 18 is equipped at the top of the first placement plate 15, apparatus for placing 18 includes ring
Shape sliding rail 181, the first sliding block 182, the second sliding rail 183, the second sliding block 184 and the second placement plate 185,15 top of the first placement plate
Equipped with endless glide 181, bilateral symmetry slidingtype is connected with the first sliding block 182,182 top of the first sliding block in endless glide 181
It is connected with the second sliding rail 183, slidingtype is connected with the second sliding block 184 on the second sliding rail 183, is connected at the top of the second sliding block 184
Second placement plate 185,185 top bilateral symmetry of the second placement plate are provided with placing groove 186, are placed with placing frame in placing groove 186
16。
It further include having baffle 19 and pull ring 20, left and right is symmetrically arranged with baffle 19 at the top of the second placement plate 185, and baffle 19 is being put
16 outside of frame is set, is equipped with pull ring 20 on the outside of baffle 19.
Embodiment 4
A kind of bridge construction lifting device includes as shown in Figs. 1-5 car body 1, wheel 2, telescopic rod 3, the first guide sleeve
4, first motor 5, support plate 6, first bearing seat 7, first rotating shaft 8, gear 9, the second motor 10, screw rod 11, nut 12, second
Guide sleeve 13, rack gear 14, the first placement plate 15, placing frame 16 and push rod 17,1 bottom of car body are equipped with wheel 2, bottom in car body 1
Right side is equipped with support plate 6, and 6 top of support plate is equipped with first bearing seat 7, and 1 left wall right side central of car body is equipped with telescopic rod 3, reduction
3 right end of bar is connected with the first guide sleeve 4, and 1 left wall right upper portion of car body is equipped with first motor 5 and the second motor 10, first motor 5 exist
Below second motor 10, first rotating shaft 8, the left and right sides are equipped on the output shaft on 5 right side of first motor and in first bearing seat 7
First rotating shaft 8 between be connected with gear 9, be connected with screw rod 11 on the output shaft on 10 right side of the second motor, be screwed on screw rod 11
Nut 12 is equipped with the second guide sleeve 13 on front side of nut 12, and the second guide sleeve 13 and 4 inner sleeve of the first guide sleeve have rack gear 14, rack gear 14 and tooth
9 engagement of wheel, 14 top of rack gear are connected with the first placement plate 15, placing frame 16 are equipped at the top of the first placement plate 15, and 1 left wall of car body is left
Upper lateral part is equipped with push rod 17.
Further include having apparatus for placing 18, apparatus for placing 18 is equipped at the top of the first placement plate 15, apparatus for placing 18 includes ring
Shape sliding rail 181, the first sliding block 182, the second sliding rail 183, the second sliding block 184 and the second placement plate 185,15 top of the first placement plate
Equipped with endless glide 181, bilateral symmetry slidingtype is connected with the first sliding block 182,182 top of the first sliding block in endless glide 181
It is connected with the second sliding rail 183, slidingtype is connected with the second sliding block 184 on the second sliding rail 183, is connected at the top of the second sliding block 184
Second placement plate 185,185 top bilateral symmetry of the second placement plate are provided with placing groove 186, are placed with placing frame in placing groove 186
16。
It further include having baffle 19 and pull ring 20, left and right is symmetrically arranged with baffle 19 at the top of the second placement plate 185, and baffle 19 is being put
16 outside of frame is set, is equipped with pull ring 20 on the outside of baffle 19.
It further include having fixed device 21,1 left wall lower part of car body is equipped with fixed device 21, and fixed device 21 includes that third is sliding
Rail 211, third sliding block 212, inserted link 213, pressing board 214, the first magnet 215 and the second magnet 216,1 left wall outer lower portion of car body
Embedded with third sliding rail 211, slidingtype is connected with third sliding block 212 on third sliding rail 211, is equipped with inserted link on the left of third sliding block 212
213,213 top of inserted link is connected with pressing board 214, and 214 top right side of pressing board is embedded with the first magnet 215, on 211 left side of third sliding rail
Portion is equipped with the second magnet 216, and the second magnet 216 and the first magnet 215 are attracted.
It further include having second bearing seat 22 and the second shaft 23,15 top center of the first placement plate is equipped with second bearing seat
22, second bearing seat 22 is interior to be equipped with the second shaft 23, and 23 top of the second shaft is connected to 183 bottom centre of the second sliding rail.
Working principle: when needing to carry out the transmitting of tool or material using the equipment, user needs staff
Tool and material are placed in placing frame 16, then which are pushed to the lower section of staff, then user's control second
Motor 10 rotates counterclockwise, drive screw rod 11 rotate counterclockwise, and then drive nut 12 move right, thus drive nut 12 to
It moves right, so that the second guide sleeve 13 moves right, band carry-over bar 14 moves right, and then the first placement plate 15 is driven to move right
It is dynamic, so that placing frame 16 be driven to move right, drive the first guide sleeve 4 to move right simultaneously as rack gear 14 moves right, reduction
Bar 3 is elongated, and when placing frame 16 moves right to the lower section of staff, the second motor of user's control 10 stops working, so
User's control first motor 5 rotates counterclockwise afterwards, and first rotating shaft 8 is driven to rotate counterclockwise, and then turns counterclockwise with moving gear 9
It is dynamic, to move up with carry-over bar 14, so that the first placement plate 15 is driven to move up, placing frame 16 is driven to move up,
When placing frame 16 is moved upwards up to staff and is suitble to the height of fetching tool or material, user's control first motor 5 stops
Work, then staff takes tool and material away.After staff all takes tool and material away, user's control first
Motor 5 rotates clockwise, and drives first rotating shaft 8 to rotate clockwise, and then rotate clockwise with moving gear 9, thus with carry-over bar
14 move down, so that the first placement plate 15 is driven to move down, drive placing frame 16 to move down, placing frame 16 moves down
When to elemental height, user's control first motor 5 stops working.Then the second motor of user's control 10 rotates clockwise, and drives
Screw rod 11 rotates clockwise, and then nut 12 is driven to be moved to the left, so that device is moved to the left with carry-over bar 14 and thereon, works as tooth
After item 14 is moved to the left reset, the second motor of user's control 10 stops working, rack gear 14 to move to left reset strap move the first guide sleeve 4 to
Reset is moved left, telescopic rod 3 is shrunk to original state.Then equipment is back into placement location by user.In this way, can be with by the equipment
User is allowed not need to stand in the lower section of staff, so that it may which tool and material are passed to the staff of top, isolation
The danger that tool and material are fallen, while placing frame 16 can place more materials and tool, reach effect easy to use
Fruit.First guide sleeve 4 can allow 14 raising and lowering of rack gear more steady.
Because further including having apparatus for placing 18, apparatus for placing 18 is equipped at the top of the first placement plate 15, apparatus for placing 18 includes
There are endless glide 181, the first sliding block 182, the second sliding rail 183, the second sliding block 184 and the second placement plate 185, the first placement plate 15
Top is equipped with endless glide 181, and bilateral symmetry slidingtype is connected with the first sliding block 182, the first sliding block 182 in endless glide 181
Top is connected with the second sliding rail 183, and slidingtype is connected with the second sliding block 184 on the second sliding rail 183, connects at the top of the second sliding block 184
It is connected to the second placement plate 185,185 top bilateral symmetry of the second placement plate is provided with placing groove 186, is placed in placing groove 186
Set frame 16.So user can be separated in two placing frames 16 by material and tool, the tool of taking or material are being needed
When material, staff can will need the placing frame 16 taken to turn to oneself side, then take again, if placing frame 16 from
Staff is remote, and staff can pull the second placement plate 185, allows the second placement plate 185 and device is more thereon
Close to oneself, staff is facilitated to take tool or material, after staff takes material and tool, work people
Second placement plate 185 is pushed back initial position by member.In this way, separated tool and material, can prevent tool and material
Obscure, the second sliding rail 183 and the second sliding block 184 facilitate staff's drawn material and tool.
Because further including having baffle 19 and pull ring 20, left and right is symmetrically arranged with baffle 19, baffle 19 at the top of the second placement plate 185
In 16 outside of placing frame, pull ring 20 is equipped on the outside of baffle 19.When baffle 19 can prevent from pulling the second placement plate 185, placing frame
16 shake, and pull ring 20 can be convenient staff and pull the second placement plate 185.
Because further including having fixed device 21,1 left wall lower part of car body is equipped with fixed device 21, and fixed device 21 includes the
Three sliding rails 211, third sliding block 212, inserted link 213, pressing board 214, the first magnet 215 and the second magnet 216,1 left wall of car body outside
Lower part is embedded with third sliding rail 211, and slidingtype is connected with third sliding block 212 on third sliding rail 211, is equipped on the left of third sliding block 212
Inserted link 213,213 top of inserted link are connected with pressing board 214, and 214 top right side of pressing board is embedded with the first magnet 215, and third sliding rail 211 is left
Upper lateral part is equipped with the second magnet 216, and the second magnet 216 and the first magnet 215 are attracted.So the equipment is moved to work in user
When making the lower section of personnel, user separates the first magnet 215 and the second magnet 216, inserted link 213 is then inserted into ground, so
Staff's equipment when pulling the second placement plate 185 can be prevented mobile, after staff takes tool and material away, used
Family pulls up inserted link 213, is then attracted the first magnet 215 and the second magnet 216 again.
Because further including having second bearing seat 22 and the second shaft 23,15 top center of the first placement plate is equipped with second bearing
Seat 22, second bearing seat 22 is interior to be equipped with the second shaft 23, and 23 top of the second shaft is connected to 183 bottom centre of the second sliding rail.Institute
The quality of the second sliding rail 183 receiving can be shared with second bearing seat 22 and the second shaft 23, improve the use of the second sliding rail 183
Service life.
The preferred embodiment of the present invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, several deformations can also be made, improves and substitutes, these belong to this hair
Bright protection scope.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.