CN207632348U - A kind of gantry crane seismic isolation apparatus - Google Patents
A kind of gantry crane seismic isolation apparatus Download PDFInfo
- Publication number
- CN207632348U CN207632348U CN201721554745.8U CN201721554745U CN207632348U CN 207632348 U CN207632348 U CN 207632348U CN 201721554745 U CN201721554745 U CN 201721554745U CN 207632348 U CN207632348 U CN 207632348U
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- China
- Prior art keywords
- friction
- gantry crane
- energy
- energy consumer
- seismic isolation
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model belongs to energy-dissipating and shock-absorbing technical field, is related to gantry crane antidetonation machinery equipment field, specially a kind of friction energy-dissipating gantry crane seismic isolation apparatus.Gantry crane seismic isolation apparatus, between the saddle seat and big equalizer bar that are mounted below gantry crane sill beam, including energy-consuming device, energy recovery apparatus, guider and energy consumer locking device.The utility model belongs to antidetonation " total solution ", core component is friction-type energy consumer, the slide surface of friction-type energy consumer is connected by high-strength bolt, the friction coefficient of slide surface is certain, larger frictional force is easy to obtain by improving bolt pretightening, therefore energy dissipation capability more higher than hydraulic damper can be obtained under smaller size；Once sliding, energy consumer rigidity becomes the shortcomings that being close to zero, hydraulic damper horizontal rigidity is overcome to be not zero, and energy dissipation is more efficient, dissipation process is more stable, isolating affection is better than hydraulic damper, efficiently solves the problems, such as of the existing technology.
Description
Technical field
The utility model belongs to energy-dissipating and shock-absorbing technical field, is related to crane, handling machinery and is mounted at least
Antidetonation machinery equipment field on three pedestals, specially a kind of friction energy-dissipating gantry crane seismic isolation apparatus, it is energy-dissipating and shock-absorbing
Application of the technology in the said goods field.
Background technology
Gantry crane, also known as shore container crane, bridge crane are for being loaded and unloaded to the container on ship on bank
Equipment.The development of the enlargement of container ship proposes the higher requirement of update to shore container crane.
Currently, there are two types of the anti-seismic technology schemes of shore container crane (hereinafter referred to as " gantry crane "), one is " parts
Solution ", it is characterized in installing energy consumption (damping) device in main structure strut end or designs resistance below door frame crossbeam
Buddhist nun constructs, and this scheme still needs to increase main structure weight to improve shock resistance, and main screw lift is heavier.Another kind is " global solution
Certainly scheme ", it is characterized in installing seismic isolation apparatus between sill beam and big equalizer bar, which can fully absorb earthquake
Energy makes main structure without increasing additional weight, and main screw lift is lighter；The seismic isolation apparatus of the program uses eccentric axis of rotation
It holds or machinery rotation device+hydraulic pressure energy-consumption damper, when an earthquake occurs, gantry crane seismic isolation apparatus lower part drives in seismic force
Lower opposite upper parts generate " sliding ", and hydraulic pressure energy consumption (damping) device absorbs seismic energy, the mesh for reaching isolation earthquake, protecting equipment
's.But the prior art has the following problems：
1. when earthquake generation, seismic isolation apparatus generate " sliding ", hydraulic pressure consumes energy (damping) device because damping characteristic makes it
Horizontal rigidity is not zero, and seismic energy cannot faster be absorbed, and energy dissipation capability is low, and seismic force still generates punching to equipment
It hits；
2. seismic isolation apparatus height dimension is big, it is poor to couple performance level analysis with main structure, and gantry crane is caused to work normally
When generate horizontal jitter under trolley inertia force effect, because hydraulic cylinder interior leakage reason can cause cylinder under trolley inertia force effect
Micro movement further expands horizontal jitter amount, forces user to have to reduce the requirement to gantry crane dynamic stiffness, influences driver
The comfort to work case efficiency and driver.
How quickly to carry out energy dissipation and energy dissipation process is steadily that current gantry crane seismic isolation needs urgent solve
The problem of.
Utility model content
The purpose of this utility model is to provide that a kind of energy dissipation capability is high, energy dissipation process is steady, isolating affection is good
Gantry crane seismic isolation apparatus, meanwhile, be maintained under gantry crane normal running conditions and do not change the original dynamic stiffness of gantry crane, realize anti-
Macroseism gantry crane main structure designs identical as conventional gantry crane.
The specific technical solution of the utility model is as follows：
A kind of gantry crane seismic isolation apparatus, gantry crane seismic isolation apparatus 1,4 He of saddle seat being mounted below gantry crane sill beam 2
Between big equalizer bar 3, including energy-consuming device, energy recovery apparatus, guider and energy consumer locking device；
Energy-consuming device, including friction-type energy consumer 7, adjusting bolt 13 and fixing fitting 10, the friction-type energy consumer 7
The double plates in outside clamped by bolt including on sideslip moving axis, the friction of the double plates in outside and inner shafts of friction-type energy consumer 7 connects
Contacting surface is seismic drift face；The double plate lower parts in the outside of friction-type energy consumer 7 are connected and fixed attachment 10, and fixing fitting 10 is welded on greatly
On equalizer bar 3；The inside sliding axle of friction-type energy consumer 7 is supported on 13 end convex spherical of adjusting bolt by shaft end concave spherical surface
On, adjusting bolt 13 is threaded on saddle seat 4, is used in combination nut that adjusting bolt 13 is locked on saddle seat 4；
Energy recovery apparatus, including reset buffer 8 and reset buffing pad 9；It resets buffing pad 9 and is fixed on big equalizer bar 3
On, it resets buffer 8 and is mounted on saddle seat 4；
Guider, including sill beam axis 5 and low friction axle sleeve 6,6 outer ring tight fit of low friction axle sleeve are embedded in big equalizer bar
On 3, inner ring clearance fit is supported on sill beam axis 5, and 5 both ends of sill beam axis are fixed on saddle seat 4,6 inner ring of low friction axle sleeve with
The contact surface of sill beam axis 5 is seismic drift face；
Energy consumer locking device, including locking bolt 11 and nut 12；Locking bolt 11 is spun on the screw thread on saddle seat 4
In hole, nut 12 be used in combination that locking bolt 11 is locked on saddle seat 4.
Further, the gantry crane seismic isolation apparatus 1 is mounted on the small garage between saddle seat 4 and big equalizer bar 3
Into direction.Gantry crane is much larger than cart direction of travel in trolley direction of travel rigidity, and the vibration prevention system in trolley direction is for limitation ground
It shakes energy and seismic force is highly effective.
Further, the inside sliding axle of the friction-type energy consumer 7 of the energy-consuming device is cylinder or cuboid,
Frictional contact surface with the double plates in outside is cylinder or plane；
Further, the installation approach of the friction-type energy consumer 7 of the energy-consuming device is the vertical installation of two axis pins, or
Person is being horizontally mounted for four axis pins.
Further, the fixing fitting 10 of the energy-consuming device includes axis pin, locking pin and otic placode, and otic placode is welded on big flat
In balance beam 3.
Further, the double plate lower parts in the outside of the friction-type energy consumer 7 of the energy-consuming device are connected and fixed attachment 10, outside
Pin hole is arranged in double plate lower parts, and the axis pin of fixing fitting 10 is inserted into pin hole, and is consumed friction-type by the locking pin of fixing fitting
Energy device 7 is fixed on the otic placode of fixing fitting 10.
Further, the reset buffer 8 is polyurethane bumper absorber, spring or hydraulic draft gear.
The operation principle of the utility model is as follows：
The saddle seat 4 of gantry crane is connect with sill beam 2 by bolt and is connected with gantry crane top, and big equalizer bar is with lower component
It is connected, 4 or more saddle seat is referred to as gantry crane top；Big equalizer bar hereinafter referred to as gantry crane lower part.On gantry crane top under
Gantry crane seismic isolation apparatus 1 is installed, when an earthquake occurs, lower part opposite upper parts generate sliding between portion.
As shown in figure 3, when gantry crane works normally, energy consumer locking bolt 11 is maintained at a distance from big equalizer bar 3 and rubs
Except the stroke of wiping type energy consumer 7, energy consumer locking device is in open state.Friction-type energy consumer 7 opens the design value of sliding power
It is enough to resist the horizontal force that smaller earthquake and work wind speed generate in trolley travelling direction, the upper and lower part of gantry crane is equivalent to
Rigid connection, the utility model gantry crane earthquake earthquake isolating equipment 1 are in state to be activated.
As shown in figure 4, after receiving typhoon forecast, because gantry crane non-working side is opened to wind load more than friction-type energy consumer 7
Sliding power, needs locking bolt 11 being torqued-up to 3 side of big equalizer bar, gantry crane horizontal force is transferred to big balance by locking bolt 11
On beam 3 to gantry crane track, at this point, gantry crane top belongs to rigid connection with lower part, friction-type energy consumer 7 is locked (short circuit) and is not passed
Power, gantry crane seismic isolation apparatus are not activated；See Fig. 4.
After typhoon forecast releases, locking bolt 11 is restored to open state, friction-type energy consumer 7 is released, gantry crane
Shake isolating device is restored to state to be activated.
As shown in figure 5, when earthquake occurs, the seismic force perpendicular to cart orbital direction will be more than friction-type energy consumer 7
Sliding power is opened, gantry crane seismic isolation apparatus is activated, when friction-type energy consumer 7, which slides, to be started, the 7 rigidity transition of friction-type energy consumer
It is close to zero, makes gantry crane main structure rigidity " softening " to extend gantry crane natural vibration period, gantry crane upper and lower part is in seismic drift
Face generates sliding, and 7 dissipation inputting seismic energy of friction-type energy consumer significantly reduces inputting seismic energy to gantry crane superstructure
It transmits.When friction-type energy consumer 7 slides onto the limit, gantry crane lower part is pushed back to close under energy recovery apparatus effect
Initial position.At the same time, guider will guide gantry crane substructure sliding in the same direction with friction-type energy consumer 7 on sill beam axis 5
Dynamic, sill beam axis 5 and low friction axle sleeve 6 will generate minimum friction under lubrication conditions, and friction-type energy consumer is slided for more than 7 times repeatedly
It moves, exhausts inputting seismic energy to earthquake and stop.
The advantageous effect of the utility model compared with prior art is：
The utility model belongs to antidetonation " total solution ", and core component is friction-type energy consumer, friction-type energy consumer
Slide surface by high-strength bolt connect, it is to be easy to pass through raising that the friction coefficient of slide surface, which is certain, larger frictional force,
What bolt pretightening obtained.Therefore, friction-type energy consumer can obtain energy more higher than hydraulic damper under smaller size
Measure dissipation capabilities；Once sliding, energy consumer rigidity, which becomes, to be close to zero, and hydraulic damper horizontal rigidity is overcome to be not zero
Disadvantage, energy dissipation is more efficient, dissipation process is more stable, isolating affection is better than hydraulic damper, efficiently solves existing
Technology there are the problem of.
For friction-type energy consumer slide surface by being bolted, coupling stiffness is good.Its application greatly simplifies seismic isolation
The structure design of device, compared with prior art, the horizontal joint stiffness of the utility model is good, height dimension is small, structure is tight
It gathers, and eliminates because hydraulic cylinder interior leakage causes the micro slippage of seismic isolation apparatus under gantry crane trolley inertia force effect, solution
The problems such as dynamic stiffness that prior art of having determined is brought to gantry crane is poor, driver is low to case efficiency, comfort is poor.
Description of the drawings
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments described in application, for those of ordinary skill in the art, without creative efforts,
Other drawings may also be obtained based on these drawings.
Fig. 1 is schematic view of the mounting position and its partial enlargement of the utility model gantry crane seismic isolation apparatus in gantry crane
Figure, (a) are schematic view of the mounting position of the utility model gantry crane seismic isolation apparatus in gantry crane, are (b) part of figure (a)
Enlarged drawing；
Fig. 2 is installation diagram of the utility model gantry crane seismic isolation apparatus in gantry crane；
Fig. 3 is gantry crane work operating mode the utility model structure graph to be activated；
Fig. 4 is gantry crane inoperative (typhoon) operating mode the utility model temporary locked state structure chart；
Fig. 5 is the utility model seismic drift structure graph；
Fig. 6 is that the optional mounting means schematic diagram of the friction-type energy consumer of the utility model energy-consuming device (overlooks shock insulation dress
It sets).
In figure：1, gantry crane seismic isolation apparatus, 2, gantry crane sill beam, 3, big equalizer bar, 4, saddle seat, 5, sill beam axis, 6, low
Rub axle sleeve, and 7, friction-type energy consumer, 8, reset buffer, 9, reset buffing pad, 10, fixing fitting, 11, locking bolt,
12, nut, 13, adjusting bolt.
Specific implementation mode
The technical solution of the utility model is further described in detail with reference to example.
Embodiment 1
As shown in Figure 1, a kind of gantry crane seismic isolation apparatus, gantry crane seismic isolation apparatus 1 are mounted below gantry crane sill beam 2
Saddle seat 4 and big equalizer bar 3 between, be mounted on trolley direction of travel, gantry crane is much larger than cart in trolley direction of travel rigidity
The vibration prevention system of direction of travel, trolley direction is highly effective for limitation seismic energy and seismic force.The saddle seat 4 of gantry crane passes through
Bolt connect with sill beam 2 and is connected with gantry crane top, and big equalizer bar is connected with lower component, and 4 or more saddle seat is referred to as
For gantry crane top；Big equalizer bar hereinafter referred to as gantry crane lower part.Gantry crane seismic isolation dress is installed between gantry crane upper and lower part
1 is set, when an earthquake occurs, lower part opposite upper parts generate sliding.
As shown in Fig. 2, gantry crane seismic isolation apparatus 1 includes energy-consuming device, energy recovery apparatus, guider and energy consumer
Locking device, saddle seat 4 includes two blocks of webs and a cover board, and is coupled with sill beam 1 by cover plate bolt；
Energy-consuming device includes friction-type energy consumer 7, adjusting bolt 13 and fixing fitting 10；The outside of friction-type energy consumer 7
Including double plates are clamped by bolt on sideslip moving axis, inside sliding axle is cylinder or cuboid, inside sliding axle and outside
The frictional contact surface of double plates is cylinder or plane, this contact surface is seismic drift face；The installation approach of friction-type energy consumer 7 can
To be the vertical installation of two axis pins, if Fig. 3 uses vertical installation, being horizontally mounted for four axis pins can also be selected, such as Fig. 6 institutes
Show；
For the double plate lower parts in the outside of friction-type energy consumer 7 there are two axis hole, fixing fitting 10 includes axis pin, locking pin and ear
Plate, the axis pin cooperation of two axis holes and fixing fitting of the double plates in outside, and by locking pin be fixed on friction-type energy consumer 7 attached
On the otic placode of part 10, otic placode is welded on big equalizer bar 3.The inside sliding axle of friction-type energy consumer 7 passes through shaft end concave spherical surface branch
On 13 end convex spherical of adjusting bolt, adjusting bolt 13 is spun in the threaded hole on saddle seat 4 for support, is used in combination nut that will adjust
Bolt 13 is locked on saddle seat 4.Energy-consuming device is mounted on the both sides of sill beam axis 5, i.e. a set of consumption is respectively installed in the both sides of sill beam axis 5
It can device.
Energy recovery apparatus includes resetting buffer 8 and reset buffing pad 9；It resets buffing pad 9 and is fixed on big equalizer bar 3
On, it is polyurethane bumper absorber, spring or hydraulic draft gear to reset buffer 8, resets buffer 8 and is mounted on saddle seat 4；
Guider includes sill beam axis 5 and low friction axle sleeve 6, and 6 outer ring tight fit of low friction axle sleeve is embedded in big equalizer bar 3
On, inner ring clearance fit is supported on sill beam axis 5, and 5 both ends of sill beam axis are fixed on saddle seat 4,6 inner ring of low friction axle sleeve with
The contact surface of sill beam axis 5 is seismic drift face.
Energy consumer locking device includes locking bolt 11 and nut 12；Locking bolt 11 is spun on the threaded hole on saddle seat 4
It is interior, nut 12 be used in combination that locking bolt 11 is locked on saddle seat 4.
As shown in figure 3, when gantry crane works normally, locking bolt 11 is maintained at friction-type consumption at a distance from big equalizer bar 3
Except the stroke of energy device 7, energy consumer locking device is in open state.The design value that friction-type energy consumer 7 opens sliding power is
0.2g, it is sufficient to resist the horizontal force that smaller earthquake and work wind speed generate in trolley travelling direction, the upper and lower part of gantry crane
It is equivalent to rigid connection, the utility model gantry crane earthquake earthquake isolating equipment 1 is in state to be activated.
As shown in figure 4, after receiving typhoon forecast, because gantry crane non-working side is opened to wind load more than friction-type energy consumer 7
Sliding power, needs locking bolt 11 being torqued-up to 3 side of big equalizer bar, gantry crane horizontal force is transferred to big balance by locking bolt 11
On beam 3 to gantry crane track, at this point, gantry crane top belongs to rigid connection with lower part, friction-type energy consumer 7 is locked (short circuit) and is not passed
Power, gantry crane seismic isolation apparatus are not activated；After typhoon forecast releases, locking bolt 11 is restored to open state, friction-type
Energy consumer 7 is released, and gantry crane seismic isolation apparatus is restored to state to be activated.
As shown in figure 5, when earthquake occurs, the seismic force perpendicular to cart orbital direction will be more than friction-type energy consumer 7
Sliding power is opened, gantry crane seismic isolation apparatus is activated, when friction-type energy consumer 7, which slides, to be started, the 7 rigidity transition of friction-type energy consumer
It is close to zero, makes gantry crane main structure rigidity " softening " to extend gantry crane natural vibration period, gantry crane upper and lower part is in seismic drift
Face generates sliding, and 7 dissipation inputting seismic energy of friction-type energy consumer significantly reduces inputting seismic energy to gantry crane superstructure
It transmits.When friction-type energy consumer 7 slides onto the limit, gantry crane lower part is pushed back to close under energy recovery apparatus effect
Initial position.At the same time, guider will guide gantry crane substructure sliding in the same direction with friction-type energy consumer 7 on sill beam axis 5
Dynamic, sill beam axis 5 and low friction axle sleeve 6 will generate minimum friction under lubrication conditions, and friction-type energy consumer is slided for more than 7 times repeatedly
It moves, exhausts inputting seismic energy to earthquake and stop.
After violent earthquake generation, friction-type energy consumer 7 will be slipped back to close to shake front position, as shown in figure 3, such as offset,
It will use hydraulic lifting tool that friction-type energy consumer 7 can be restored to its home position.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
Be confined to this, any one skilled in the art within the technical scope disclosed by the utility model, according to this practicality
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (7)
1. a kind of gantry crane seismic isolation apparatus, which is characterized in that gantry crane seismic isolation apparatus (1) is mounted under gantry crane sill beam (2)
Between the saddle seat (4) and big equalizer bar (3) in face, including energy-consuming device, energy recovery apparatus, guider and energy consumer locking
Device；
Energy-consuming device, including friction-type energy consumer (7), adjusting bolt (13) and fixing fitting (10), friction-type energy consumption
Including the double plates in the outside of device (7) are clamped by bolt on sideslip moving axis, the double plates in outside of friction-type energy consumer (7) and inner shafts
Frictional contact surface is seismic drift face；The double plate lower parts in the outside of friction-type energy consumer (7) are connected and fixed attachment (10), fixing fitting
(10) it is welded on big equalizer bar (3)；The inside sliding axle of friction-type energy consumer (7) is supported on adjusting spiral shell by shaft end concave spherical surface
On the convex spherical of bolt (13) end, adjusting bolt (13) is threaded on saddle seat (4), and nut is used in combination to lock adjusting bolt (13)
It is scheduled on saddle seat (4)；
Energy recovery apparatus, including reset buffer (8) and reset buffing pad (9)；It resets buffing pad (9) and is fixed on big equalizer bar
(3) it on, resets buffer (8) and is mounted on saddle seat (4)；
Guider, including sill beam axis (5) and low friction axle sleeve (6), low friction axle sleeve (6) outer ring tight fit are embedded in big balance
On beam (3), inner ring clearance fit is supported on sill beam axis (5), and sill beam axis (5) both ends are fixed on saddle seat (4), low friction axis
It is seismic drift face to cover (6) inner ring and the contact surface of sill beam axis (5)；
Energy consumer locking device, including locking bolt (11) and nut (12)；Locking bolt (11) is spun on the spiral shell on saddle seat (4)
In pit, nut (12) be used in combination that locking bolt (11) is locked on saddle seat (4).
2. a kind of gantry crane seismic isolation apparatus according to claim 1, which is characterized in that the friction-type of the energy-consuming device
Energy consumer (7) is mounted on the trolley direction of travel between saddle seat (4) and big equalizer bar (3).
3. a kind of gantry crane seismic isolation apparatus according to claim 1, which is characterized in that the friction-type of the energy-consuming device
It is cylinder or flat that the inside sliding axle of energy consumer (7), which is the frictional contact surface of cylinder either its plate double with outside of cuboid,
Face.
4. a kind of gantry crane seismic isolation apparatus according to claim 1, which is characterized in that the friction-type energy consumer (7)
Installation approach be the vertical installation of two axis pins or being horizontally mounted for four axis pins.
5. a kind of gantry crane seismic isolation apparatus according to claim 1, which is characterized in that the fixation of the energy-consuming device is attached
Part (10) includes axis pin, locking pin and otic placode, and otic placode is welded on big equalizer bar (3).
6. a kind of gantry crane seismic isolation apparatus according to claim 4, which is characterized in that the friction-type of the energy-consuming device
The double plate lower parts in the outside of energy consumer (7) are connected and fixed attachment (10), and pin hole, the pin of fixing fitting (10) is arranged in the double plate lower parts in outside
Axis is inserted into pin hole, and friction-type energy consumer (7) is fixed on to the otic placode of fixing fitting (10) by the locking pin of fixing fitting
On.
7. a kind of gantry crane seismic isolation apparatus according to claim 1, which is characterized in that the energy recovery apparatus is answered
Digit buffer (8) is polyurethane bumper absorber, spring or hydraulic draft gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721554745.8U CN207632348U (en) | 2017-11-20 | 2017-11-20 | A kind of gantry crane seismic isolation apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721554745.8U CN207632348U (en) | 2017-11-20 | 2017-11-20 | A kind of gantry crane seismic isolation apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207632348U true CN207632348U (en) | 2018-07-20 |
Family
ID=62856937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721554745.8U Withdrawn - After Issue CN207632348U (en) | 2017-11-20 | 2017-11-20 | A kind of gantry crane seismic isolation apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207632348U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107792785A (en) * | 2017-11-20 | 2018-03-13 | 大连华锐重工集团股份有限公司 | Gantry crane seismic isolation apparatus |
-
2017
- 2017-11-20 CN CN201721554745.8U patent/CN207632348U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107792785A (en) * | 2017-11-20 | 2018-03-13 | 大连华锐重工集团股份有限公司 | Gantry crane seismic isolation apparatus |
| CN107792785B (en) * | 2017-11-20 | 2020-01-03 | 大连华锐重工集团股份有限公司 | Earthquake isolation device for shore bridge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180720 Effective date of abandoning: 20200103 |
|
| AV01 | Patent right actively abandoned |