CN209211252U - Speed locking device for bridge earthquake resistance - Google Patents
Speed locking device for bridge earthquake resistance Download PDFInfo
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- CN209211252U CN209211252U CN201821804986.8U CN201821804986U CN209211252U CN 209211252 U CN209211252 U CN 209211252U CN 201821804986 U CN201821804986 U CN 201821804986U CN 209211252 U CN209211252 U CN 209211252U
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- capping
- annular
- cylinder body
- outer end
- piston rod
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Abstract
The utility model provides the speed locking device for being used for bridge earthquake resistance, including piston rod, stiffening plate, lower capping, cylinder body, annular packaging bag, piston and upper capping, piston rod annular outer end is equipped with upper capping, upper capping is mounted on cylinder body upper end and extends to cylinder interior, cylinder interior is equipped with piston rod, piston rod annular outer end is set with two annular packaging bags, piston rod annular outer end is welded with piston, two annular packaging bags are symmetrically mounted on piston upper and lower ends, cylinder interior is equipped with lower capping, lower capping extends to cylinder body lower end, two annular packaging bags are separately mounted to capping lower end and lower capping upper end, the annular outer end of lower capping is equipped with stiffening plate, stiffening plate is mounted on the annular outer end of capping, this design reduces the probability of leakage, it is easily installed, and improve reliability.
Description
Technical field
The utility model is the speed locking device for bridge earthquake resistance, belongs to bridge accessory technical field.
Background technique
In recent years, with the construction of large bridge, the frequent generation of the external disaster such as earthquake, high wind, people are to these bridges
The safety of beam is also increasingly paid close attention to, and presently, there are a kind of speed locking devices of Bridge Seismic, and expansion is arranged in cylinder body
Property fluid, the piston on piston rod because fluid speciality is presented in dilatant fluid, therefore is convenient for piston rod when low speed is mobile in cylinder body
Move up and down, to realize shock-absorbing function, when meeting with earthquake, piston rod and piston are mobile in cylinder body high speed, expansion
Property fluid become solid, realize rigid connection and speed lockup.
Above-mentioned bridge earthquake resistance is needed to use multiple gaskets, installation difficulty in actual installation with speed locking device
Greatly, the fluid of cylinder interior is easy to happen leakage, and using effect is poor, and when meeting with earthquake, effect of the piston rod in seismic force
Down with the trend of biggish vertical tremor, so that the fluid to cylinder interior generates biggish pressure, to be easy to multiple
Gasket-like at sealant damage, so as to cause cylinder interior fluid leak, cause rigid connection be broken, Bu Nengshi
Existing speed lockup.
Summary of the invention
In view of the deficienciess of the prior art, the utility model aim is to provide speed lockup's dress for bridge earthquake resistance
It sets, to solve the problems mentioned in the above background technology, the utility model is structurally reasonable, and easy to use, stability in use is good, can
By property height.
To achieve the goals above, the utility model is achieved through the following technical solutions: for bridge earthquake resistance
Speed locking device, including piston rod, stiffening plate, bolt, lower capping, cylinder body, annular packaging bag, piston and upper capping, institute
Piston rod annular outer end is stated equipped with upper capping, the upper capping is mounted on cylinder body upper end and extends to cylinder interior, the cylinder body
Inside is equipped with piston rod, and the piston rod upper and lower ends each extend over out cylinder interior, piston rod annular outer end suit two
A annular packaging bag, piston rod annular outer end are welded with piston, and two annular packaging bags are symmetrically mounted on piston
Lower both ends, the piston and two annular packaging bags are each provided at cylinder interior, and the cylinder interior is equipped with lower capping, under described
Capping extends to cylinder body lower end, and two annular packaging bags are separately mounted to capping lower end and lower capping upper end, described
The annular outer end of lower capping is equipped with stiffening plate, and the stiffening plate is mounted on the annular outer end of capping, and spiral shell is installed in the stiffening plate outer end
Bolt, the bolt pass through stiffening plate and are connected respectively with lower capping and upper capping by screw thread.
In one embodiment, the annular outer end of the upper capping offers at least two threaded holes, and at least two threaded holes
Inside is equipped with bolt, and the annular outer end of upper capping is uniformly provided at least two stiffening plates, and at least two stiffening plates are equal
It is even to be mounted on the annular outer end of lower capping.
In one embodiment, through-hole is offered along central axes direction inside the upper capping, and is equipped with and lives inside through-hole
Stopper rod.
In one embodiment, the upper capping lower end offers annular groove, and the cylinder body is mounted on annular groove lower end and prolongs
It extends to inside annular groove, and is machined with external screw thread on annular groove annular inner wall, be machined with internal screw thread on the cylinder body annular inner wall,
The upper capping is connected with cylinder body by internal screw thread and external screw thread.
In one embodiment, the upper capping is identical as lower closure construction.
The utility model has the beneficial effects that the speed locking device for bridge earthquake resistance of the utility model, this is practical new
Type utilizes ring because increasing piston rod, stiffening plate, bolt, lower capping, cylinder body, annular packaging bag, piston and upper capping, the design
Shape packaging bag is sealed packaging to the non-newtonian fluid of its inside, reduces the probability of non-newtonian fluid leakage, and stiffening plate
Design improve capping and lower capping and the installation tightness of cylinder body, reduce when meeting with the special circumstances such as earthquake,
Upper capping and under be sealed on the lower probability separated with cylinder body of strong pressure effect, improve use reliability, solve existing
Some bridge earthquake resistances are needed to use multiple gaskets in actual installation with speed locking device, and installation difficulty is big, cylinder interior
Fluid be easy to happen leakage, using effect is poor, and when meeting with earthquake, piston rod under the action of seismic force have it is biggish
The trend of vertical tremor leaks so as to cause the fluid of cylinder interior to be easy to damage sealant, rigidity is caused to connect
Fracture is connect, can not achieve speed lockup, the utility model is structurally reasonable, and easy to use, stability in use is good, high reliablity.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model
Sign, objects and advantages will become more apparent upon:
Fig. 1 is perspective view of the utility model for the speed locking device of bridge earthquake resistance；
Fig. 2 is cross-sectional view of the utility model for the speed locking device of bridge earthquake resistance；
Fig. 3 is the utility model for the schematic diagram covered upper in the speed locking device of bridge earthquake resistance；
In figure: capping, 5- cylinder body, the packaging bag of 6- annular, 7- piston, 8- under 1- piston rod, 2- stiffening plate, 3- bolt, 4-
Upper capping, 81- threaded hole, 82- annular groove, 83- through-hole.
Specific embodiment
Before describing the embodiments in more detail, it should be understood that the utility model is not limited in the application hereafter or attached drawing
Described in detailed construction or arrangement of elements.The embodiment that the utility model can be realized for other way.Moreover, it should manage
Solution, the words and terms used herein are for illustrative purposes only, should not be interpreted in a limited way." packet used herein
Include ", "comprising", the similar wording such as " having " means comprising items listed thereafter, its equivalent and other additional things.It is special
It is not that when describing " a certain component ", it also may include more that the utility model, which does not limit the quantity of the element as one,
It is a.
Fig. 1-Fig. 3 is please referred to, the utility model provides a kind of technical solution: for the speed locking device of bridge earthquake resistance,
Including piston rod 1, stiffening plate 2, bolt 3, lower capping 4, cylinder body 5, annular packaging bag 6, piston 7 and upper capping 8, piston rod 1
Annular outer end is equipped with upper capping 8, and upper capping 8 is mounted on 5 upper end of cylinder body and extends to inside cylinder body 5, and piston is equipped with inside cylinder body 5
Bar 1,1 upper and lower ends of piston rod each extend over out inside cylinder body 5, and the annular outer end of piston rod 1 is set with two annular packaging bags 6, living
The annular outer end of stopper rod 1 is welded with piston 7, and two annular packaging bags 6 are symmetrically mounted on 7 upper and lower ends of piston, piston 7 and two
Annular packaging bag 6 is each provided inside cylinder body 5, and lower capping 4 is equipped with inside cylinder body 5, and lower capping 4 extends to 5 lower end of cylinder body, two rings
Shape packaging bag 6 is separately mounted to 8 lower ends of capping and 4 upper ends of lower capping, and the annular outer end of lower capping 4 is equipped with stiffening plate 2, reinforces
Plate 2 is mounted on the annular outer end of capping 8, and bolt 3 is installed in 2 outer end of stiffening plate, and bolt 3 passes through stiffening plate 2 and distinguished by screw thread
It is connected with lower capping 4 and upper capping 8, annular 6 inner sealing of packaging bag is packaged with non-newtonian fluid, due to non-newtonian fluid
Shearing force and shear strain rate between be not linear relationship, by taking starch solution as an example, this fluid have shear thickening property
Matter is a kind of liquid when this fluid is static or low speed is touched as the size and speed of institute's stress change, but
When being by external force hard hit, knock-on reaction mode is with solid like thus bridge is influenced by factors such as temperature changes
When occurring slowly mobile, piston rod 1 is slowly moved, while piston 7 when low speed movement, subtracts in cylinder body 5 to realize
When shaking function, and meeting with earthquake, piston rod 1 and piston 7 are mobile in 5 high speed of cylinder body, and non-newtonian fluid becomes solid, realize
Rigid connection and speed lockup reduce due to being sealed packaging to the non-newtonian fluid of its inside using annular packaging bag 6
The probability of non-newtonian fluid leakage, and the design of stiffening plate 2 improves capping 8 and lower to cover 4 tight with the installation of cylinder body 5
Solidity is reduced when meeting with the special circumstances such as earthquake, and upper capping 8 and lower capping 4 carry out under strong pressure effect with cylinder body 5
Isolated probability, improves use reliability.
The annular outer end of upper capping 8 offers at least two threaded holes 81, and is equipped with spiral shell inside at least two threaded holes 81
Bolt 3, the annular outer end of upper capping 8 are uniformly provided at least two stiffening plates 2, and at least two stiffening plates 2 are uniformly mounted on 4 rings of lower capping
The connection of bolt 3 and upper capping 8 is convenient in shape outer end, the design of threaded hole 81, consequently facilitating the connection of stiffening plate 2 and upper capping 8.
Through-hole 83 is offered along central axes direction inside upper capping 8, and is equipped with piston rod 1, through-hole 83 inside through-hole 83
Convenient for accommodating piston rod 1.
8 lower ends of upper capping offer annular groove 82, and cylinder body 5 is mounted on 82 lower end of annular groove and extends in annular groove 82
Portion, and external screw thread is machined on 82 annular inner wall of annular groove, internal screw thread, upper capping 8 and cylinder body are machined on 5 annular inner wall of cylinder body
5 are connected by internal screw thread and external screw thread, and the connection of screw-type is convenient for the upper installation and disassembly for covering 8 with cylinder body 5.
Upper capping 8 is identical as 4 structures of lower capping, and the manufacture and buying of part are convenient in mutually isostructural design.
Concepts described herein may be embodied to other forms without departing from its spirit and characteristics.It is disclosed
The specific embodiments are to be considered as illustrative and not restrictive.Therefore, the scope of the utility model is by appended right
It is required that instead of making decisions based on these previous descriptions.Within the literal meaning and equivalent scope of the claims any
Change all should belong to these the scope of the claims.
Claims (5)
1. a kind of speed locking device for bridge earthquake resistance, including piston rod (1), stiffening plate (2), bolt (3), lower capping
(4), cylinder body (5), annular packaging bag (6), piston (7) and upper capping (8), it is characterised in that: piston rod (1) annular is outer
End is equipped with upper capping (8), and the upper capping (8) is mounted on cylinder body (5) upper end and extends to cylinder body (5) inside, the cylinder body (5)
Inside is equipped with piston rod (1), and piston rod (1) upper and lower ends each extend over out cylinder body (5) inside, piston rod (1) ring
Shape outer end is set with two annular packaging bags (6), and the annular outer end of the piston rod (1) is welded with piston (7), two annular packets
Pack (6) is symmetrically mounted on piston (7) upper and lower ends, and the piston (7) and two annular packaging bags (6) are each provided at cylinder body
(5) internal, lower capping (4) is equipped with inside the cylinder body (5), the lower capping (4) extends to cylinder body (5) lower end, described in two
Annular packaging bag (6) is separately mounted to capping (8) lower end and lower capping (4) upper end, and the annular outer end of lower capping (4) is set
Have stiffening plate (2), the stiffening plate (2) is mounted on the annular outer end of capping (8), and bolt is installed in stiffening plate (2) outer end
(3), the bolt (3) passes through stiffening plate (2) and is connected respectively with lower capping (4) and upper capping (8) by screw thread.
2. the speed locking device according to claim 1 for bridge earthquake resistance, it is characterised in that: the upper capping (8)
Annular outer end offers at least two threaded holes (81), and at least two threaded holes (81) inside be equipped with bolt (3), it is described on
The annular outer end of capping (8) is uniformly provided at least two stiffening plates (2), and at least two stiffening plates (2) are uniformly mounted on lower envelope
Cover (4) annular outer end.
3. the speed locking device according to claim 1 for bridge earthquake resistance, it is characterised in that: the upper capping (8)
Inside offers through-hole (83) along central axes direction, and is equipped with piston rod (1) inside through-hole (83).
4. the speed locking device according to claim 1 for bridge earthquake resistance, it is characterised in that: the upper capping (8)
Lower end offers annular groove (82), and the cylinder body (5) is mounted on annular groove (82) lower end and extends to annular groove (82) inside, and
It is machined with external screw thread on annular groove (82) annular inner wall, is machined with internal screw thread, the upper capping on cylinder body (5) annular inner wall
(8) it is connected with cylinder body (5) by internal screw thread and external screw thread.
5. the speed locking device according to claim 1 for bridge earthquake resistance, it is characterised in that: the upper capping (8)
It is identical as lower capping (4) structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821804986.8U CN209211252U (en) | 2018-10-22 | 2018-10-22 | Speed locking device for bridge earthquake resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821804986.8U CN209211252U (en) | 2018-10-22 | 2018-10-22 | Speed locking device for bridge earthquake resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209211252U true CN209211252U (en) | 2019-08-06 |
Family
ID=67458051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821804986.8U Active CN209211252U (en) | 2018-10-22 | 2018-10-22 | Speed locking device for bridge earthquake resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209211252U (en) |
-
2018
- 2018-10-22 CN CN201821804986.8U patent/CN209211252U/en active Active
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