CN108330818A - A kind of protective device and spherical bearing - Google Patents
A kind of protective device and spherical bearing Download PDFInfo
- Publication number
- CN108330818A CN108330818A CN201810063400.5A CN201810063400A CN108330818A CN 108330818 A CN108330818 A CN 108330818A CN 201810063400 A CN201810063400 A CN 201810063400A CN 108330818 A CN108330818 A CN 108330818A
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- waterproof
- cabinet
- seat board
- spherical bearing
- waterproof floor
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/04—Bearings; Hinges
- E01D19/042—Mechanical bearings
- E01D19/046—Spherical bearings
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/30—Metal
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Floor Finish (AREA)
Abstract
The invention discloses a kind of protective devices for spherical bearing, it is related to spherical bearing field, including cabinet and waterproof construction, bottom of cabinet bulk is open, and bottom of cabinet bulk is equipped with a bottom plate, the cavity for accommodating spherical bearing with one in the cabinet, waterproof construction includes multiple first waterproof floors and multiple second waterproof floors, first waterproof floor and the second waterproof floor are loop configuration, and the first waterproof floor is connect with cabinet inner wall, and the second waterproof floor is connected with bottom plate；Vertically alternate intervals are arranged for all first waterproof floors and the second waterproof floor, and first waterproof floor and the second waterproof floor it is in the horizontal direction projection overlap, bottom plate, cabinet inner wall enclose the channel of a square-wave-shaped with all first waterproof floors and the second waterproof floor, channel is connected to cavity and the external world, the present invention can prevent contact with sea water and corrode spherical bearing, to improve the service life of spherical bearing.
Description
Technical field
The present invention relates to spherical bearing fields, and in particular to a kind of protective device and spherical bearing.
Background technology
Just gradually to abroad quickly propelling, it is more that the construction condition of science of bridge building also becomes complexity for the development of Bridges in Our Country construction
Sample.In science of bridge building, spherical bearing as most widely employed one of bridge pad, structure include upper base plate,
Middle seat board and lower seat board have the characteristics that bearing capacity is big, construction is complicated, expensive and replace difficult.
And since there are some irresistible factors in real life, as airport limit for height, two sides wiring are height-limited
Deng often such that the position of bridge pad is located at seawater splash zone, and splash zone has that wave impact force is big, salinity is high, dry and wet
The characteristics of alternating and deep-etching, the service life of bridge pad greatly shortens, and this not only adds bridge pad maintenance fitters
It measures, also increases the number with changing bearing in bridge total life cycle.Wherein, the bearing after corrosion is impaired, function reduction may
The destruction for causing bridge dependency structure, causes irretrievable loss.
Invention content
In view of the deficiencies in the prior art, the purpose of the present invention is to provide a kind of protective device and spherical bearing,
It can prevent contact with sea water and corrode spherical bearing, to improve the service life of spherical bearing.
To achieve the above objectives, the technical solution adopted by the present invention is that：A kind of protective device for spherical bearing, packet
It includes：
One cabinet, bottom opening, and the bottom of cabinet bulk are equipped with a bottom plate, have one to accommodate ball-type branch in the cabinet
The cavity of seat；
One waterproof construction, the waterproof construction include multiple first waterproof floors and multiple second waterproof floors, and described
One waterproof floor and the second waterproof floor are loop configuration, and the first waterproof floor and cabinet madial wall sealing connect
It connects, the second waterproof floor inner wall and the bottom plate are tightly connected；Simultaneously
Vertically alternate intervals are arranged for all first waterproof floors and the second waterproof floor, and described first is anti-
Water floor and the projection in the horizontal direction of the second waterproof floor overlap, bottom plate, cabinet inner wall and all first waterproof ribs
Plate and the second waterproof floor enclose the channel of a square-wave-shaped, and the channel is connected to the cavity and the external world.
Based on the above technical solution, side and described of the first waterproof floor far from the cabinet side wall
Two waterproof floors tilt vertically downwards close to the side of the cabinet side wall, and the first waterproof floor and second
Waterproof floor forms 1 ° of angle with horizontal plane.
Based on the above technical solution, the cabinet side wall and the second waterproof floor can relative level move,
When the most short vertical range of plane is k where the bottom of cabinet bulk to the second waterproof floor, k should meet following formula：
k≥b×tan15°
In formula, b is the maximum distance of the cabinet side wall and the second waterproof floor relative level movement.
Based on the above technical solution, the adjacent first waterproof floor spacing is a1, adjacent described second is anti-
The spacing of water floor is a2, and a1=a2, the spacing of the adjacent first waterproof floor and the second waterproof floor is
Based on the above technical solution, when the thickness of the cabinet side wall is t, and the height of cabinet side wall is h,
Following formula should be met：
In formula, q is the wave load acted on the cabinet side wall, and E is the elasticity modulus of the cabinet, and a is a1。
At the same time, the present invention also provides a kind of spherical bearing, the spherical bearing includes above-mentioned protective device and receiving
Support body in the protective device, the support body include the upper base plate set gradually from top to bottom, middle seat board and
Lower seat board, the upper base plate are fixed at the top of the cabinet, and the bottom plate is fixed in the lower seat board bottom.
Based on the above technical solution, the protective device include one connect with the upper base plate and lower seat board it is anti-
Water coaming plate, the waterproof coaming plate is flexible material, and the waterproof coaming plate seals the gap of the upper base plate and lower seat board.
Based on the above technical solution, the waterproof coaming plate connects by one first with the upper base plate and lower seat board
Fitting connects, and first connector includes the first press strip, compression bar and the first bolt being arranged on first press strip, described
On upper base plate and lower seat board be equipped at the waterproof coaming plate link position with matched first groove of the compression bar, it is described anti-
Water coaming plate is pressed by the compression bar in first groove, and first bolt is arranged close to first groove, and institute
The pressure holding of the first press strip is stated on the compression bar, the pressure holding direction of first press strip is towards first groove.
Based on the above technical solution, the protective device include one connect with the middle seat board and lower seat board it is close
Skirt is sealed, the sealed skirt is flexible material, and the sealed skirt seals the gap of the middle seat board and lower seat board.
Based on the above technical solution, the sealed skirt is connect by one second with the middle seat board and lower seat board
Part connects, and second connector includes the second bolt and one second press strip, on the middle seat board and lower seat board with the sealing
It is equipped at skirt link position and is pressed by second press strip with matched second groove of second press strip, the sealed skirt
In in second groove, second bolt passes through second press strip and sealed skirt to consolidate second press strip and sealed skirt
Due in second groove.
Compared with the prior art, the advantages of the present invention are as follows：
(1) a kind of protective device for spherical bearing of the invention can be by ball by the way that cabinet and waterproof construction is arranged
Type bearing is isolated with seawater, prevents seawater corrosion spherical bearing, to improve the service life of spherical bearing.
(2) by the way that waterproof coaming plate is arranged, the inside of the spherical bearing can be made to completely cut off with extraneous humid air, played anti-
Water, moisture-proof, dust-proof effect.
(3) by the way that sealed skirt is arranged, the spherical surface friction pair that middle seat board and lower seat board are formed can be made to be isolated from the outside world, into one
Step prevents the corrosive medium including chlorion from entering spherical surface friction pair, influences the rotating effect of bearing.
Description of the drawings
Fig. 1 is the protective device structure schematic diagram that spherical bearing is equipped in the embodiment of the present invention；
Fig. 2 is the part-structure schematic diagram of protective device in the embodiment of the present invention；
Fig. 3 is A-A in the embodiment of the present invention in Fig. 2 to sectional view；
Fig. 4 is the structure enlargement diagram of the parts a in Fig. 1 in the embodiment of the present invention；
Fig. 5 is the structure enlargement diagram of the parts b in Fig. 1 in the embodiment of the present invention；
Fig. 6 is the structure enlargement diagram of the parts c in Fig. 1 in the embodiment of the present invention.
In figure：1- cabinets, 11- cavitys, 2- support bodies, 21- upper base plates, seat board in 22-, seat board under 23-, 3- waterproofs
Structure, 31- the first waterproof floors, 32- the second waterproof floors, the channels 4-, 5- waterproof coaming plates, the first connectors of 51-, 52- first
Press strip, 53- compression bars, the first bolts of 54-, the first grooves of 55-, 6- sealed skirts, the second connectors of 61-, the second bolts of 62-, 63-
Two press strips, the second grooves of 64-, 7- bottom plates.
Specific implementation mode
Invention is further described in detail with reference to the accompanying drawings and embodiments.
Shown in Fig. 1 to Fig. 4, the embodiment of the present invention provides a kind of protective device for spherical bearing comprising one
Cabinet 1 and waterproof construction 3,1 bottom opening of cabinet, and 1 bottom of cabinet are equipped with a bottom plate 7, have one to accommodate ball-type in cabinet 1
The cavity 11 of bearing, waterproof construction 3 include multiple first waterproof floors 31 and multiple second waterproof floors 32, the first waterproof floor
31 and second waterproof floor 32 be loop configuration, 31 outer wall of the first waterproof floor and 1 side wall of cabinet are tightly connected, the second waterproof
32 inner wall of floor and bottom plate 7 are tightly connected, and the connection type of the first waterproof floor 31 and the second waterproof floor 32 is welding, energy
It is enough the modes such as to avoid being connected by screw bolts to a certain extent and junction corrosion and poorly sealed close situation occur, meanwhile, institute
Having the first waterproof floor 31 and the second waterproof floor 32, vertically alternate intervals are arranged, and the first waterproof floor 31 and second
32 projection section in the horizontal direction of waterproof floor is overlapped, bottom plate 7,1 inner wall of cabinet and all first waterproof floors 31 and second
Waterproof floor 32 encloses the channel 4 of a square-wave-shaped, and channel 4, which is connected to cavity 11 and the external world, the cabinet 1, can completely cut off ball-type branch
Seat, avoids wave action in spherical bearing, and is deformed upon in cabinet 1 and the first waterproof floor 31 being arranged on is caused to be sent out
Raw movement, by the way that the first waterproof floor 31 and the second waterproof floor 32 is arranged, vertically alternate intervals are arranged, the first waterproof
The 32 projection section overlapping in the horizontal direction of floor 31 and the second waterproof floor, is capable of providing the first waterproof floor 31 and moves
Required certain space when dynamic, and due to the presence of waterproof construction 3, it can be in the square-wave-shaped for thering is wave to enter waterproof construction 3
When in channel 4, wave can not be caused to directly act on spherical bearing, by the square-wave-shaped channel 4 increase wave around
Flow path can weaken wave and enter the flow velocity behind square-wave-shaped channel 4, make entrance wave can not by the waterproof construction 3 into
Enter inside cabinet 1, to make wave be returned again through 4 original route of channel and in sea, the cooperation of cabinet 1 and waterproof construction 3
Effect enables to spherical bearing to be isolated with extraneous seawater, can prevent wave stroke, sea sand abrasion and seawater corrosion ball-type branch
The surface of seat, and the durability with good wave resistance effect, anti-corrosion ability and long-time service, largely save ball-type
The expense of bearing maintenance increases the service life of spherical bearing.
Shown in Figure 1, the embodiment of the present invention also provides a kind of spherical bearing, and spherical bearing includes above-mentioned protective device
With the support body 2 being contained in protective device, support body 2 includes from top to bottom successively including upper base plate 21, middle seat board 22
With lower seat board 23, upper base plate 21 is fixed on the top of support body 2, and bottom plate 7 is fixed in lower 23 bottom of seat board, wherein cabinet 1, the
One waterproof floor 31, the second waterproof floor 32 and bottom plate 7 are stainless steel, it is preferred that the stainless steel be 904L,
Entire support body 2 can be isolated with the wave splash on sea, and undertakes the impact of wave by 316L or two phase stainless steel 2507,
And the degree of deformation that cabinet 1 is occurred by impact energy is smaller, to enable the cabinet 1 it is permanent protection is played to spherical bearing
Effect, wherein due to the relative displacement between the upper base plate 21 and lower seat board 23 of spherical bearing, cause the cabinet 1 that cannot be set as
Complete overall structure.
Shown in Fig. 1 and Fig. 5, protective device includes a waterproof coaming plate 5 being connect with upper base plate 21 and lower seat board 23,
Waterproof coaming plate 5 is flexible material, it is preferred that waterproof coaming plate 5 is polytetrafluoroethylene (PTFE), has softness, seawater corrosion resistance, long lifespan
The characteristics of, the thickness of waterproof coaming plate 5 is 1~2mm, and waterproof coaming plate 5 seals the gap of upper base plate 21 and lower seat board 23, this is anti-
Water coaming plate 5 is connect by one first connector 51 with upper base plate 21 and lower seat board 23, and the first connector 51 includes the first press strip
52, compression bar 53 and the first bolt 54 being arranged on the first press strip 52 are connect with waterproof coaming plate 5 on upper base plate 21 and lower seat board 23
It is equipped at position and is pressed in the first groove 55 by compression bar 53 with 53 matched first groove 55 of compression bar, waterproof coaming plate 5, the
One bolt 54 is arranged close to the first groove 55, and the pressure holding of the first press strip 52 is on compression bar 53, the pressure holding direction court of the first press strip 52
To the first groove 55, which is semicircular groove, and diameter is not less than 8 times of thickness of waterproof coaming plate 5, the compression bar
53 be round steel circle, and the diameter of the round steel circle is not less than 6 times of thickness of waterproof coaming plate 5, and setting should be with upper base plate 21 and lower seat board 23
Spherical bearing can be located at the entire sliding surface between upper base plate 21 and lower seat board 23 and extraneous aqueous vapor by the waterproof coaming plate 5 of connection
Completely cut off with dust, which can play waterproof, moisture-proof, dust-proof effect, avoid spherical bearing by extraneous aqueous vapor and dirt
Harmful substance erosion damage in angstrom, and waterproof coaming plate 5 is made of thicker polytetrafluoroethylene (PTFE), it can be by the upper of spherical bearing
Seat board 21 is all closed with middle seat board 22 and middle seat board 22 and two sliding surfaces of lower seat board 23, and durability is good, is adapted to
The displacement occurred in spherical bearing.
Shown in Fig. 1 and Fig. 6, protective device includes a sealed skirt 6 being connect with middle seat board 22 and lower seat board 23, close
Envelope skirt 6 is flexible material, it is preferred that sealed skirt 6 is the film that polytetrafluoroethylene (PTFE) is formed, and has softness, seawater corrosion resistance, service life
The thickness of long feature, sealed skirt 6 is 0.1~1mm, it is preferred that the thickness of sealed skirt 6 is 0.5mm, and sealed skirt 6 seals
The gap of middle seat board 22 and lower seat board 23, the sealed skirt 6 are connected by one second connector 61 with middle seat board 22 and lower seat board 23
It connects, the second connector 61 includes the second bolt 62 and one second press strip 63, is connected with sealed skirt 6 on middle seat board 22 and lower seat board 23
Connect to be equipped at position is pressed recessed in second with 63 matched second groove 64 of the second press strip, sealed skirt 6 by the second press strip 63
In slot 64, the second bolt 62 passes through the second press strip 63 and sealed skirt 6 that second press strip 63 and sealed skirt 6 are fixed on the second groove 64
It is interior, the sealed skirt 6 that is connect with middle seat board 22 and lower seat board 23 is set, it being capable of seat board 22 and lower seat board 23 in further protection
Between spherical surface friction it is secondary, so that it is not corroded by corrosive mediums such as chlorions, avoid influencing this due to the entrance of corrosive medium
The rotating effect of spherical bearing can extend the functional component service life of the spherical bearing, to improve the spherical bearing
Service life, wherein the spherical surface friction pair between middle seat board 22 and lower seat board 23 is the most important rubbing surface of spherical bearing, due to
Middle seat board 22 at lower seat board 23 on the outside of the space that can be arranged it is smaller, use thickness for polytetrafluoro relatively thin 0.1~1mm
Vinyl film, and when the second bolt 62 is fixed across the second press strip 63, the second bolt 62 will not protrude the second groove 64, can be with
Avoid in spherical bearing there is a phenomenon where it is mobile when the second bolt 62 collide with spherical bearing component and damage occur.
The second protection and sealing of first of the protection, the formation of waterproof coaming plate 5 that are formed by cabinet 1 and waterproof construction 3
Three protection systems of the pairs of spherical bearing of third road protection group that skirt 6 is formed can jointly will by three protection system
Spherical bearing completely cuts off with seawater and hazardous medium, complete protection is played to spherical bearing, to increase the use of the spherical bearing
Service life reduces the unnecessary loss caused by being replaced due to damage.
Shown in Fig. 1 to Fig. 4, side and second waterproof floor 32 of the first waterproof floor 31 far from 1 side wall of cabinet are leaned on
The side of nearly 1 side wall of cabinet tilts vertically downwards, and the first waterproof floor 31 and the second waterproof floor 32 are and water
Plane forms 1 ° of angle, by tilting the first waterproof floor 31 and 32 side of the second waterproof floor vertically downwards, energy
Enough construction insulations for entering the square-wave-shaped constituted in channel 4 and by the first waterproof floor 31 and the second waterproof floor 32 in wave
Afterwards, be conducive to make the ponding that the effect in the channel 4 due to wave generates anti-by inclined first waterproof floor 31 and second
The cooperation of water floor 32 makes it be discharged outside the waterproof construction 3, the protective action to spherical bearing is further increased, to improve
The service life of spherical bearing.
Shown in Fig. 1 to Fig. 6,1 side wall of cabinet and the second waterproof floor 32 can relative level move, when 1 bottom of cabinet
When most short vertical range to 32 place plane of the second waterproof floor is k, k should meet following formula：
k≥b×tan15°
In formula, b is the maximum distance that 1 side wall of cabinet and 32 relative level of the second waterproof floor move, and b should meet ball-type branch
The requirement of maximum horizontal displacement occurs for seat.
1 bottom of cabinet is set to meet above formula, energy to the most short vertical range of 32 place plane of the second waterproof floor for k
So that 1 side wall of cabinet is stopped that wave enters channel 4 and enters in cabinet 1 to greatest extent, improves the protection energy of the protective device
Power.
Adjacent first waterproof floor, 31 spacing is a1, the spacing of adjacent second waterproof floor 32 is a2, and a1=a2, phase
The spacing of adjacent first waterproof floor 31 and the second waterproof floor 32 isThe a1Or a2Meet after cabinet 1 deformed by wave stroke
The requirement that floor does not collide.
When the thickness of 1 side wall of cabinet is t, and the height of 1 side wall of cabinet is h, following formula should be met：
In formula, q is the wave load acted on 1 side wall of cabinet, can be equivalent to Triangle Load Distribution and act on cabinet
On 1 side wall of body, E is the elasticity modulus of cabinet 1, and a is a1。
So that the ratio of the thickness t and height h of 1 side wall of cabinet is met above-mentioned formula, can avoid the occurrence of 1 side wall of cabinet by
Larger wave load and when deforming upon, deformation position collides or with bottom plate due to the first waterproof floor caused by deformation
31 and second waterproof floor 32 collision, and then reduce due to collide and caused by the protective device damage, accordingly
Raising the protective device service life.
The present invention is not limited to the above-described embodiments, for those skilled in the art, is not departing from
Under the premise of the principle of the invention, several improvements and modifications can also be made, these improvements and modifications are also considered as the protection of the present invention
Within the scope of.The content not being described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field.
Claims (10)
1. a kind of protective device for spherical bearing, which is characterized in that including：
One cabinet (1), bottom opening, and the cabinet (1) bottom are equipped with a bottom plate (7), have one to hold in the cabinet (1)
Receive the cavity (11) of spherical bearing；
One waterproof construction (3), the waterproof construction (3) include multiple first waterproof floors (31) and multiple second waterproof floors
(32), the first waterproof floor (31) and the second waterproof floor (32) are loop configuration, the first waterproof floor (31)
It is tightly connected with the cabinet (1) madial wall, the second waterproof floor (32) inner wall and the bottom plate (7) are tightly connected；Together
When
Vertically alternate intervals are arranged for all first waterproof floors (31) and the second waterproof floor (32), and described the
One waterproof floor (31) and the projection in the horizontal direction of the second waterproof floor (32) overlap, in bottom plate (7), cabinet (1)
Wall encloses the channel (4) of a square-wave-shaped, the channel (4) with all first waterproof floors (31) and the second waterproof floor (32)
It is connected to the cavity (11) and the external world.
2. a kind of protective device for spherical bearing as described in claim 1, it is characterised in that：The first waterproof floor
(31) side far from the cabinet (1) side wall and the second waterproof floor (32) are close to the side of the cabinet (1) side wall
It tilts vertically downwards, and the first waterproof floor (31) and the second waterproof floor (32) form 1 ° with horizontal plane
Angle.
3. a kind of protective device for spherical bearing as described in claim 1, it is characterised in that：Cabinet (1) side wall
With the second waterproof floor (32) can relative level move, when the cabinet (1) bottom to the second waterproof floor (32)
When the most short vertical range of place plane is k, k should meet following formula：
k≥b×tan15°
In formula, b is the maximum distance of the cabinet (1) side wall and the second waterproof floor (32) relative level movement.
4. a kind of protective device for spherical bearing as described in claim 1, it is characterised in that：Adjacent first waterproof
Floor (31) spacing is a1, the spacing of the adjacent second waterproof floor (32) is a2, and a1=a2, adjacent described first is anti-
The spacing of water floor (31) and the second waterproof floor (32) is
5. a kind of protective device for spherical bearing as claimed in claim 4, it is characterised in that：When the cabinet (1) side
The thickness of wall be t, and the height of cabinet (1) side wall be h when, following formula should be met：
In formula, q is the wave load acted on the cabinet (1) side wall, and E is the elasticity modulus of the cabinet (1), and a=
a1。
6. a kind of spherical bearing, it is characterised in that：The spherical bearing includes protective device and receiving described in the claim 1
In the support body (2) in the protective device, upper base plate (21) that the support body (2) sets gradually from top to bottom, in
Seat board (22) and lower seat board (23), the upper base plate (21) are fixed at the top of the cabinet (1), and lower seat board (23) bottom is solid
Due to the bottom plate (7).
7. a kind of spherical bearing as claimed in claim 6, it is characterised in that：The protective device includes one and the upper base plate
(21) and the waterproof coaming plate (5) of lower seat board (23) connection, the waterproof coaming plate (5) are flexible material, and the waterproof coaming plate (5)
Seal the gap of the upper base plate (21) and lower seat board (23).
8. a kind of spherical bearing as claimed in claim 7, it is characterised in that：The waterproof coaming plate (5) and the upper base plate
(21) it is connected by one first connector (51) with lower seat board (23), first connector (51) includes the first press strip
(52), compression bar (53) and the first bolt (54) being arranged on first press strip (52), the upper base plate (21) and lower seat board
(23) on be equipped at waterproof coaming plate (5) link position with matched first groove (55) of the compression bar (53), it is described
Waterproof coaming plate (5) is pressed by the compression bar (53) in first groove (55), and first bolt (54) is close to described
First groove (55) is arranged, and first press strip (52) pressure holding is on the compression bar (53), the pressure of first press strip (52)
Direction is held towards first groove (55).
9. a kind of spherical bearing as claimed in claim 6, it is characterised in that：The protective device includes one and the middle seat board
(22) and lower seat board (23) connection sealed skirt (6), the sealed skirt (6) be flexible material, and the sealed skirt (6) seal institute
State the gap of the middle seat board (22) and lower seat board (23).
10. a kind of spherical bearing as claimed in claim 9, it is characterised in that：The sealed skirt (6) and the middle seat board (22)
It is connected by one second connector (61) with lower seat board (23), second connector (61) includes the second bolt (62) and one
Second press strip (63), on the middle seat board (22) and lower seat board (23) be equipped at the sealed skirt (6) link position and institute
Matched second groove (64) of the second press strip (63) is stated, the sealed skirt (6) is pressed by second press strip (63) in described
In second groove (64), second bolt (62) passes through second press strip (63) and sealed skirt (6) by second press strip
(63) it is fixed in second groove (64) with sealed skirt (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810063400.5A CN108330818B (en) | 2018-01-23 | 2018-01-23 | A kind of protective device and spherical bearing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810063400.5A CN108330818B (en) | 2018-01-23 | 2018-01-23 | A kind of protective device and spherical bearing |
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| CN108330818A true CN108330818A (en) | 2018-07-27 |
| CN108330818B CN108330818B (en) | 2019-10-08 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109322893A (en) * | 2018-12-12 | 2019-02-12 | 保定华铁电气化供电器材设备有限公司 | A kind of bolt anti-corrosion protective device |
| WO2021098230A1 (en) * | 2019-11-19 | 2021-05-27 | 南京毛勒工程材料有限公司 | Spherical support having magnetically-attached dustproof cover |
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| CN204662253U (en) * | 2015-06-03 | 2015-09-23 | 江苏万宝桥梁构件有限公司 | Railroad bridge ball shaped steel bearing |
| JP5872728B1 (en) * | 2015-08-17 | 2016-03-01 | 株式会社ビービーエム | Slide support device for structure having waterproof function and its assembly method |
| CN105178175A (en) * | 2015-09-01 | 2015-12-23 | 北京铁五院工程机械有限公司 | Novel steel supporting base of heavy haul railway bridge |
| CN205711715U (en) * | 2016-06-07 | 2016-11-23 | 武汉臣基工程科技有限公司 | A kind of spherical bearing using corrugated tube |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109322893A (en) * | 2018-12-12 | 2019-02-12 | 保定华铁电气化供电器材设备有限公司 | A kind of bolt anti-corrosion protective device |
| WO2021098230A1 (en) * | 2019-11-19 | 2021-05-27 | 南京毛勒工程材料有限公司 | Spherical support having magnetically-attached dustproof cover |
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| CN108330818B (en) | 2019-10-08 |
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