CN107988855A - A kind of stepless height-regulating light rail bearing - Google Patents
A kind of stepless height-regulating light rail bearing Download PDFInfo
- Publication number
- CN107988855A CN107988855A CN201711395217.7A CN201711395217A CN107988855A CN 107988855 A CN107988855 A CN 107988855A CN 201711395217 A CN201711395217 A CN 201711395217A CN 107988855 A CN107988855 A CN 107988855A
- Authority
- CN
- China
- Prior art keywords
- plate
- upper base
- base plate
- seat board
- lower seat
- Prior art date
- 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- Withdrawn
Links
- 238000009434 installation Methods 0.000 claims abstract description 20
- 239000003351 stiffener Substances 0.000 claims description 23
- 239000002131 composite material Substances 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 7
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 claims description 5
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical compound FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims description 5
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 150000001336 alkenes Chemical class 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims 1
- 230000003014 reinforcing effect Effects 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B25/00—Tracks for special kinds of railways
- E01B25/08—Tracks for mono-rails with centre of gravity of vehicle above the load-bearing rail
-
- 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
-
- 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
- E01D19/048—Bearings being adjustable once installed; Bearings used in incremental launching
Abstract
The lower anchor system of the upper bolt system connection on a kind of stepless height-regulating light rail bearing, including upper plate, bottom plate, upper bolt system and lower anchor system, upper plate and top, bottom plate and lower part connects；Upper base plate and lower seat board are installed between upper plate and bottom plate, sphere sliding equipment is equipped between upper plate and upper base plate, height-regulating mechanism is equipped between upper base plate and lower seat board；Sphere sliding equipment includes the spherical rotation sliding block being installed between upper base plate and upper plate, height-regulating mechanism heightens screw rod in the step circular hole of lower seat board, the trapezoidal thread hole of its first half screw thread and upper base plate coordinates installation, heighten and adjustment hole is symmetrically provided with screw rod and sets locking nut, bottom plate at left and right sides of lower seat board is equipped with horizontal positioner, and upper base plate front and rear sides are equipped with inclination-proof device.The seat structure is simple, designs reasonable, function admirable, is safe to use, highly adjustable, can both meet horizontal and vertical displacement, also solve the problem that original bearing roll shaft fatigue wear problem, while can reduce vibrations and noise.
Description
Technical field
The present invention relates to a kind of light rail track beam support, especially a kind of stepless height-regulating for straddle-type light rail transit
Light rail bearing.
Background technology
Straddle-type light rail transit is to adapt to a kind of novel traffic form that Traffic Development occurs, in city traffic network
In network, compared with subway and city railway, straddle-type light rail transit instrument have reduced investment, take up an area less, climbing capacity is strong, turns half
The advantages that footpath is small, low noise, good environmental protection, so straddle-type light rail is by as each big-and-middle urban development rail rapid transit
A kind of important model；But since train walks in single track, water when centrifugal force when it is influenced by windage, turned and earthquake
The influence of the factors such as straight snips power, needs under special operation condition bearing the load and reliable such as bear the tensile, compressive, bending of beam body transmission, subtract, turn round
Pass to substructure.
Existing straddle-type light rail bearing is that Introduced from Japan technology is by localization Design, its advantage：（1）Obtain work
Journey is strong using verification, structural reliability；（2）With anchor case+anchor structure, bearing installation and easy for construction；（3）Bottom uses cam
Harden structure, adjusts easy to the bridge lateral gradient；But since the country has introduced straddle-type light rail bearing, by the operation of more than 10 years,
Also following deficiency is gradually manifested：
1. adjust great difficulty：Existing straddle-type light rail bearing cannot adjust height, make troubles to installation；
2. movable bearing support roll shaft is easy to wear：Existing straddle-type light rail bearing, roll shaft are contacted for the line of " steel-steel " with the upper bottom and rubbed
Wipe, due to roll shaft fatigue stress, be easy to cause roll shaft abrasion, once roll shaft is worn, be bound to cause impact endurance test shock aggravation, noise increases
Add；
3. damping noise reduction energy force difference：Existing straddle-type light rail bearing designs for all steel, does not possess the function of vibration and noise reducing, to bearing
Each parts machining and assembly precision requirement is very high, if parts machining precision controlling is not in place, causes fit-up gap excessive,
It is bound to cause impact endurance test shock aggravation, noise increase.
The content of the invention
In order to solve the problems in the existing technology, the object of the present invention is to provide a kind of stepless height-regulating light rail bearing,
To overcome the above-mentioned deficiency present in prior art.
The present invention adopts the technical scheme that：
A kind of stepless height-regulating light rail bearing, including upper plate, bottom plate, upper bolt system and lower anchor system, upper plate and top it is upper
Anchor rod system connects, and the lower anchor system of bottom plate and lower part connects；
Upper base plate and lower seat board are installed, lower seat board is installed on bottom plate, between upper plate and upper base plate between the upper plate and bottom plate
Equipped with sphere sliding equipment, height-regulating mechanism is equipped between upper base plate and lower seat board；
The sphere sliding equipment includes the spherical rotation sliding block being installed between upper base plate and upper plate, and upper plate bottom surface turns with sphere
Flat frictional pair is equipped between movable slider top surface, the flat frictional pair includes being welded on the stainless steel plate of upper plate bottom surface and is embedded in
The plane slide plate of spherical rotation sliding block top surface, the plane slide plate or be modified ultra-high molecular weight polyethylene plate, or be tetrafluoro second
Alkene plate is three-layer composite board；
Cylinder sliding pair is equipped between the sphere of the spherical rotation sliding block and the concave spherical surface of seat of honour plate top surface or sphere friction is secondary,
The sphere friction is secondary to be included being welded on the stainless steel plate on spherical rotation sliding block sphere and the sphere embedded in upper base plate concave spherical surface
Slide plate, the spherical slide plate or be modified ultra-high molecular weight polyethylene plate, or be tetrafluoroethene plate or be three-layer composite board；
The height-regulating mechanism includes heightening screw rod and locking nut, the cylinder heightened screw rod and carry round platform rank for a bottom
Body, heightens the screw rod first half and is provided with trapezoidal thread, lower half is polished rod, and bottom connects round platform rank；
The upper base plate is provided with and heightens the trapezoidal thread hole that the trapezoidal thread of the screw rod first half coordinates, and lower seat board is provided with and heightens
The corresponding step circular hole in screw rod lower half, the screw rod of heightening heighten the screw rod first half in the step circular hole of lower seat board
The trapezoidal thread hole for being pierced by lower seat board top surface and upper base plate coordinates installation, and spiral shell is heightened between upper base plate bottom surface and lower seat board top surface
Adjustment hole is symmetrically provided with bar, and is equipped with 1-2 locking nut.
Its further technical solution is：Bottom plate at left and right sides of the lower seat board is equipped with horizontal positioner, bag
Block board, puller bolt and the positioning gasket with U-lag mouth are included, the block board is vertically fixedly connected on bottom plate both sides, top
Tight bolt is transversely mounted on lower seat plate on both sides end face tightening in the screw hole of block board, and the positioning gasket with U-lag mouth is stuck in
On puller bolt between lower seat board end face and block board.
Further：The upper base plate front and rear sides are equipped with inclination-proof device, include the stiffener plate of triangle, stiffener plate
Base be equipped with installation screw, the side plate of stiffener plate is equipped with bar shaped installation screw, and the base of stiffener plate passes through bolt
It is connected on the convex face of lower seat board, the side plate of stiffener plate is connected to before and after upper base plate by bolt and bar shaped installation screw
Side.
Upper plate bottom surface front and rear sides are equipped with the limiting plate of limitation upper base plate movement.
Due to taking above-mentioned technical proposal, compared with prior art, a kind of stepless height-regulating light rail bearing of the present invention has
Following beneficial effect：
The configuration of the present invention is simple, design reasonable and function admirable, safe to use；
1. the bearing is equipped with height-regulating mechanism（Including heightening screw rod and locking nut）, heighten screw rod stage casing and be equipped with adjustment hole, will be special
Adjusting mechanism, which injects adjustment hole rotation, which heightens screw rod, can adjust the height of upper base plate, then be locked by locking nut
Positioning, makes the vertical height of bearing meet the requirement of engineering, and it is convenient to be provided for construction；Two other heightens screw rod also with anti-
The effect of the load such as pressure, tension, shearing resistance, antitorque；
2. a kind of stepless height-regulating light rail bearing is equipped with sphere sliding equipment, upper plate bottom surface is welded with stainless steel, spherical rotation sliding block
Top surface is embedded with plane slide plate（Such as modified ultra-high molecular weight polyethylene）, upper load, load are transmitted jointly with spherical rotation sliding block
It is face contact in transmission, sphere friction pair is equipped between spherical rotation sliding block and upper base plate can meet on after certain beam body deflection
Portion's structure remains to plane contact, adapts to certain deflection angle, can both solve the problems, such as original bearing roll axis contact fatique wear,
Vibrations and noise can be reduced at the same time；
3. the bearing upper base plate front and rear sides are equipped with inclination-proof device -- the stiffener plate of triangle, the base of stiffener plate are equipped with
Installation screw, the side plate of stiffener plate are equipped with bar shaped installation screw, and the base of stiffener plate is bolted in lower seat board
Convex face on, adjust after height by by bolt and bar shaped installation screw by the front and rear side of the side plate of stiffener plate and upper base plate
Fixation can not only make altitude location at the same time in face, but also can prevent from tilting；
4. the bearing is equipped with horizontal positioner, met the requirements by the way that adjusting gasket, puller bolt and screens block etc. are achievable
Lateral deflection displacement；
5. for hold-down support, as long as a kind of stepless height-regulating light rail bearing can limit longitudinal position of bearing by increasing limiting plate
Move（Movable bearing support can not set limiting plate）；
6. a kind of stepless height-regulating light rail seat structure is simple, design is reasonable and function admirable, safe to use.
A kind of technical characteristic of stepless height-regulating light rail bearing of the present invention is made further with reference to the accompanying drawings and examples
Explanation.
Brief description of the drawings
Fig. 1~Fig. 2 is a kind of stepless height-regulating light rail bearing structure illustration of embodiment one（Hold-down support）：
Fig. 1 is front view, and Fig. 2 is the left view of Fig. 2；
Fig. 3 is the A portions enlarged drawing of Fig. 1；
Fig. 4 is the B portions enlarged drawing of Fig. 1；
Fig. 5~Fig. 6 is a kind of stepless height-regulating light rail bearing structure illustration of embodiment two（Movable bearing support）：
Fig. 5 is front view, and Fig. 6 is the left view of Fig. 5；
In figure：
1-upper plate, 2-spherical rotation sliding block, 3-stainless steel plate, 4-plane slide plate, 5-upper bolt system, 6-upper base plate,
7-heighten screw rod, 71-round platform rank, 72-adjustment hole, 8-locking nut, 9-lower seat board, 10-positioning gasket, 11-screens
Plate, 12-puller bolt, 13-bottom plate, 14-lower anchor system, the stiffener plate of 15-triangle, 16-limiting plate, 17-
Cylinder sliding pair or sphere friction are secondary.
Embodiment
Embodiment one
A kind of stepless height-regulating light rail bearing, including upper plate 1, bottom plate 13, upper bolt system 5 and lower anchor system 14, upper plate with it is upper
The upper bolt system 5 in portion connects, and the lower anchor system 14 of bottom plate and lower part connects；
Upper base plate 6 and lower seat board 9 are installed between the upper plate and bottom plate, lower seat board is installed on bottom plate, upper plate and upper base plate 6 it
Between be equipped with sphere sliding equipment, height-regulating mechanism is equipped between upper base plate 6 and lower seat board 9；
The sphere sliding equipment includes the spherical rotation sliding block 2 being installed between upper base plate 6 and upper plate 1, upper plate bottom surface and ball
Flat frictional pair is equipped between the turning block top surface of face, the flat frictional pair includes the stainless steel plate 3 for being welded on upper plate bottom surface
With the plane slide plate 4 in spherical rotation sliding block top surface groove, the plane slide plate or be modified ultra-high molecular weight polyethylene
Plate, or be tetrafluoroethene plate or be three-layer composite board；
6 top surface of upper base plate is provided with concave spherical surface corresponding with the sphere of spherical rotation sliding block, the sphere of spherical rotation sliding block with
Cylinder sliding pair or sphere friction pair 17 are equipped between the concave spherical surface, the sphere friction is secondary to be included being welded on spherical rotation sliding block
Stainless steel plate on sphere and the spherical slide plate embedded in upper base plate concave spherical surface, the spherical slide plate or gather for modified ultra-high molecular mass
Vinyl plate, or be tetrafluoroethene plate or be three-layer composite board；
The height-regulating mechanism includes heightening screw rod 7 and locking nut 8, the cylinder heightened screw rod and carry round platform rank for a bottom
Body, heightens the screw rod first half and is provided with trapezoidal thread, lower half is polished rod, and bottom connects round platform rank 71；
The upper base plate 6 is provided with and heightens the trapezoidal thread hole that the trapezoidal thread of the screw rod first half coordinates, and lower seat board 9 is provided with and adjusts
The corresponding step circular hole in high screw rod lower half, the screw rod of heightening heighten screw rod upper half in the step circular hole of lower seat board
The trapezoidal thread hole that portion is pierced by lower seat board top surface and upper base plate 6 coordinates installation, between 6 bottom surface of upper base plate and lower 9 top surface of seat board
Heighten and adjustment hole 72 is symmetrically provided with screw rod, and be equipped with 1-2 locking nut 8.Heighten screw rod and be generally 2
The bottom plate 13 of the left and right sides of lower seat board 9 is equipped with horizontal positioner, including block board 11, puller bolt 12 and band
There is the positioning gasket 10 of U-lag mouth, the block board is vertically fixedly connected on 13 both sides of bottom plate, and puller bolt is transversely mounted on card
By lower seat plate on both sides end face tightening in the screw hole of position plate, the positioning gasket with U-lag mouth is stuck in lower seat board end face and block board
Between puller bolt on.
6 front and rear sides of upper base plate are equipped with inclination-proof device, include the stiffener plate 15 of triangle, the base of stiffener plate
Installation screw is equipped with, the side plate of stiffener plate is equipped with bar shaped installation screw, and the base of stiffener plate is bolted
On the convex face of lower seat board, the side plate of stiffener plate is connected to the front and back sides of upper base plate by bolt and bar shaped installation screw.
The 1 bottom surface front and rear sides of upper plate are equipped with the limiting plate 16 of limitation upper base plate movement.
Above-described embodiment is suitable for hold-down support.
Embodiment two
A kind of stepless height-regulating light rail bearing, its basic system is identical with embodiment one, except that：Two before and after 1 bottom surface of upper plate
Side does not set limiting plate；The embodiment is suitable for movable bearing support.
In above-described embodiment, for the screw rod of heightening for 2, its corresponding upper base plate 6 is provided with 2 trapezoidal thread holes, lower seat
Plate 9 is provided with 2 step circular holes；Its number can be adjusted according to actual conditions, but general no less than 2, otherwise influence stability.
In above-described embodiment, 6 front and rear sides of upper base plate are provided with the groove of the stiffener plate side plate of installation triangle, under
The groove of the base of installation stiffener plate is provided with the convex face of seat board, the side plate and base for making stiffener plate are separately mounted to
State in groove.
Signified three-layer composite board refers to the Special composite board that code name is SF-1 in above-described embodiment.
A kind of stepless height-regulating light rail bearing of the present invention be arranged on straddle-seat type single traffic rail beam and bent cap or pier it
Between.
Claims (4)
1. a kind of stepless height-regulating light rail bearing, including upper plate（1）, bottom plate（13）, upper bolt system（5）With lower anchor system
（14）, the upper bolt system on upper plate and top（5）The lower anchor system of connection, bottom plate and lower part（14）Connection；
It is characterized in that：Upper base plate is installed between the upper plate and bottom plate（6）With lower seat board（9）, lower seat board is installed on bottom plate
（13）On, upper plate and upper base plate（6）Between be equipped with sphere sliding equipment, height-regulating mechanism is equipped between upper base plate and lower seat board；
The sphere sliding equipment includes being installed on upper base plate（6）With upper plate（1）Between spherical rotation sliding block（2）, upper plate bottom
Flat frictional pair is equipped between face and spherical rotation sliding block top surface, the flat frictional pair includes being welded on the stainless of upper plate bottom surface
Steel plate（3）With the plane slide plate embedded in spherical rotation sliding block top surface（4）, the plane slide plate or be the poly- second of modified ultra-high molecular mass
Alkene plate, or be tetrafluoroethene plate or be three-layer composite board；
The sphere and upper base plate of the spherical rotation sliding block（6）Cylinder sliding pair or sphere friction are equipped between the concave spherical surface of top surface
It is secondary（17）, the secondary stainless steel plate for including being welded on spherical rotation sliding block sphere of sphere friction and embedded in upper base plate concave spherical surface
Spherical slide plate, the spherical slide plate or be modified ultra-high molecular weight polyethylene plate, or be tetrafluoroethene plate or be three layers compound
Plate；
The height-regulating mechanism includes heightening screw rod（7）And locking nut（8）, the screw rod of heightening is that a bottom carries round platform rank
Cylinder, heightens the screw rod first half and is provided with trapezoidal thread, lower half is polished rod, and bottom connects round platform rank（71）；
The upper base plate（6）It is provided with and heightens the trapezoidal thread hole that the trapezoidal thread of the screw rod first half coordinates, lower seat board（9）It is provided with
Step circular hole corresponding with heightening screw rod lower half, the screw rod of heightening heighten screw rod in the step circular hole of lower seat board
The trapezoidal thread hole that the first half is pierced by lower seat board top surface and upper base plate coordinates installation, between upper base plate bottom surface and lower seat board top surface
Heighten and adjustment hole is symmetrically provided with screw rod（72）, and it is equipped with 1-2 locking nut（8）.
A kind of 2. stepless height-regulating light rail bearing according to claim 1, it is characterised in that：The lower seat board（9）Left and right two
The bottom plate of side（13）It is equipped with horizontal positioner, including block board（11）, puller bolt（12）With the positioning with U-lag mouth
Gasket（10）, the block board is vertically fixedly connected on bottom plate（13）Both sides, puller bolt are transversely mounted on the screw hole of block board
It is interior by lower seat plate on both sides end face tightening, the positioning gasket with U-lag mouth is stuck in holding out against between lower seat board end face and block board
On bolt.
A kind of 3. stepless height-regulating light rail bearing according to claim 2, it is characterised in that：The upper base plate（6）Front and rear two
Side is equipped with inclination-proof device, includes the stiffener plate of triangle（15）, the base of stiffener plate is equipped with installation screw, stiffener plate
Side plate be equipped with bar shaped installation screw, the base of stiffener plate is bolted on the convex face of lower seat board, reinforcing rib
The side plate of plate is connected to the front and back sides of upper base plate by bolt and bar shaped installation screw.
A kind of 4. stepless height-regulating light rail bearing according to claim 3, it is characterised in that：The upper plate（1）Before and after bottom surface
Both sides are equipped with the limiting plate of limitation upper base plate movement（16）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711395217.7A CN107988855A (en) | 2017-12-21 | 2017-12-21 | A kind of stepless height-regulating light rail bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711395217.7A CN107988855A (en) | 2017-12-21 | 2017-12-21 | A kind of stepless height-regulating light rail bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107988855A true CN107988855A (en) | 2018-05-04 |
Family
ID=62039437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711395217.7A Withdrawn CN107988855A (en) | 2017-12-21 | 2017-12-21 | A kind of stepless height-regulating light rail bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107988855A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111270602A (en) * | 2020-03-20 | 2020-06-12 | 中铁第四勘察设计院集团有限公司 | But infinitely variable control's bridge beam supports |
| CN111350126A (en) * | 2020-03-20 | 2020-06-30 | 中铁第四勘察设计院集团有限公司 | Spiral combined type adjustable bridge support |
| CN114319090A (en) * | 2022-01-06 | 2022-04-12 | 中铁第四勘察设计院集团有限公司 | Bridge bearing |
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| KR100762360B1 (en) * | 2007-07-13 | 2007-10-02 | 차현남 | The apparatus and construct method of j.p.c plat jac |
| CN201695328U (en) * | 2010-06-20 | 2011-01-05 | 衡水市桃城区鑫归机械加工厂 | Stepless heightening shock absorbing spherical support |
| JP4726093B1 (en) * | 2010-08-25 | 2011-07-20 | 株式会社美和テック | Support device for height adjustment for structures |
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| CN107022953A (en) * | 2017-03-29 | 2017-08-08 | 新津腾中筑路机械有限公司 | A kind of stepless height-regulating dynamometry pot bearing |
| CN206477245U (en) * | 2017-02-24 | 2017-09-08 | 衡水贵平工程橡塑有限公司 | It is replaceable to subtract shock insulation rubber bearing |
| CN107447651A (en) * | 2017-08-01 | 2017-12-08 | 中铁二院工程集团有限责任公司 | A kind of stepless height-regulating spherical bearing |
| CN107447652A (en) * | 2017-08-01 | 2017-12-08 | 中铁二院工程集团有限责任公司 | A kind of ball-shaped height-adjusting support |
| CN207878194U (en) * | 2017-12-21 | 2018-09-18 | 柳州东方工程橡胶制品有限公司 | A kind of stepless height-regulating light rail bearing |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030048985A (en) * | 2001-12-13 | 2003-06-25 | 유니슨 주식회사 | Jack-up device of a bridge super-structure for the maintenance of bridge bearings |
| KR100762360B1 (en) * | 2007-07-13 | 2007-10-02 | 차현남 | The apparatus and construct method of j.p.c plat jac |
| CN201695328U (en) * | 2010-06-20 | 2011-01-05 | 衡水市桃城区鑫归机械加工厂 | Stepless heightening shock absorbing spherical support |
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| CN206477245U (en) * | 2017-02-24 | 2017-09-08 | 衡水贵平工程橡塑有限公司 | It is replaceable to subtract shock insulation rubber bearing |
| CN107022953A (en) * | 2017-03-29 | 2017-08-08 | 新津腾中筑路机械有限公司 | A kind of stepless height-regulating dynamometry pot bearing |
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| CN107447652A (en) * | 2017-08-01 | 2017-12-08 | 中铁二院工程集团有限责任公司 | A kind of ball-shaped height-adjusting support |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111270602A (en) * | 2020-03-20 | 2020-06-12 | 中铁第四勘察设计院集团有限公司 | But infinitely variable control's bridge beam supports |
| CN111350126A (en) * | 2020-03-20 | 2020-06-30 | 中铁第四勘察设计院集团有限公司 | Spiral combined type adjustable bridge support |
| CN114319090A (en) * | 2022-01-06 | 2022-04-12 | 中铁第四勘察设计院集团有限公司 | Bridge bearing |
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