CN207633141U - A kind of piston type particle damping energy dissipation vibration damping sleeper - Google Patents
A kind of piston type particle damping energy dissipation vibration damping sleeper Download PDFInfo
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- CN207633141U CN207633141U CN201720962736.6U CN201720962736U CN207633141U CN 207633141 U CN207633141 U CN 207633141U CN 201720962736 U CN201720962736 U CN 201720962736U CN 207633141 U CN207633141 U CN 207633141U
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- sleeper
- piston type
- type particle
- damping
- energy dissipation
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Abstract
The utility model discloses a kind of piston type particle damping energy dissipation vibration damping sleeper, the piston type particle damping energy dissipation vibration damping sleeper includes sleeper main body and the piston type particle damping element being embedded in the sleeper main body;The upper surface of the sleeper main body is provided with rail support groove;The piston type particle damping element includes shell, and the enclosure interior is provided with damping particles and metal ball;It is connected and fixed through wire between the metal ball and the sleeper main body.The utility model has the advantages that the piston type particle damping element being arranged in sleeper main body can absorb and consume the vibrational energy of sleeper main body;Piston type particle damping element is embedded in damping of the sleeper body interior equivalent to increase piston type particle damping energy dissipation vibration damping sleeper, allow piston type particle damping energy dissipation vibration damping sleeper to dissipate the vibrational energy of rail wheeling action generation, plays the role of vibration damping and vibration isolation.
Description
Technical field
The utility model belongs to technical field of rail traffic, and in particular to a kind of piston type particle damping energy dissipation vibration damping rail
Pillow.
Background technology
In recent years railway and City Rail Transit System because the superiority development of its large conveying quantity and environmental protection it is rapid, but track
There are the adverse effects of noise and ambient vibration for traffic.The complaint of subway or Along Railway cell owner and people are to life
The requirement of the raising of quality makes noise caused by rail traffic and ambient vibration technical problem gradate for livelihood issues, very
To political issue, by social concerns.
Traditional track structure damping technology has floating plate, and Damping fastening, railway ballast pad etc., their working mechanism is to pass through
The rigidity for changing track structure plays the effect of damping, these devices have that cost is high or aggravate the vibration of car body.
So a kind of new track structure dampening apparatus of development is necessary.
Invention content
The purpose of this utility model is to provide a kind of piston type particle damping consumption according to above-mentioned the deficiencies in the prior art place
Energy vibration damping sleeper, which passes through damps member by the piston type particle of absorbable vibrational energy
Part is embedded inside it, realizes the purpose of dissipation vibrational energy, vibration damping and vibration isolation.
The utility model aim realization is completed by following technical scheme:
A kind of piston type particle damping energy dissipation vibration damping sleeper, the piston type particle damping energy dissipation vibration damping sleeper includes sleeper
Main body and the piston type particle damping element being embedded in the sleeper main body;The upper surface of the sleeper main body, which is provided with, holds
Track slot;The piston type particle damping element includes shell, and the enclosure interior is provided with damping particles and metal ball;The gold
Belong to and being connected and fixed through wire between ball and the sleeper main body.
The both sides of the metal ball have been respectively fixedly connected with a wire, and two wires are each passed through institute
Two opposite side walls for stating shell, the inside concrete and concrete for extending to the sleeper main body consolidate.
The part that the wire and the concrete of the sleeper body interior consolidate is in the shape of a spiral.
The shell is hexahedron, and the length of side is between 1.3 ~ 1.5cm;The diameter of the metal ball 4.5 ~ 5.5mm it
Between.
The material of the damping particles is the combination of any one or more in tungsten powder, lead powder, copper powder and iron powder;Institute
The grain size for stating damping particles is 0.001 ~ 0.5mm;The filling rate of damping particles is between 50 ~ 90% described in the enclosure interior.
The material density of the grain size of the damping particles, the filling rate of the damping particles and the damping particles with
The Oscillation Amplitude of the piston type particle damping energy dissipation vibration damping sleeper during the work time is directly proportional.
The bottom surface of the rail support groove offers sulfur cement mortar anchorage bolt hole;The piston type particle damping element is distributed in described
The lower section of rail support groove.
The bottom surface of the rail support groove is rail cant;The gradient of the rail cant is 1:40.
The sleeper body interior is provided with deformed bar and finer wire rack, the piston type particle damping element
Case bonding on the finer wire rack.
The utility model has the advantages that the piston type particle damping element being arranged in sleeper main body can be absorbed and be consumed
The vibrational energy of sleeper main body;Piston type particle damping element is embedded in sleeper body interior equivalent to increase piston type
The damping of grain damping energy dissipation vibration damping sleeper so that piston type particle damping energy dissipation vibration damping sleeper can dissipate rail wheeling action generation
Vibrational energy, play the role of vibration damping and vibration isolation.
Description of the drawings
Fig. 1 is the three-dimensional view of the first embodiment of the utility model piston type particle damping energy dissipation vibration damping sleeper;
Fig. 2 is the vertical view of the first embodiment of the utility model piston type particle damping energy dissipation vibration damping sleeper;
Fig. 3 is distribution schematic diagram of the piston type particle damping element in sleeper main body in the utility model;
Fig. 4 is the structural schematic diagram of the piston type particle damping element in the utility model;
Fig. 5 is the section view of the sleeper main body in the utility model;
Fig. 6 is the three-dimensional view of the finer wire rack in the utility model;
Fig. 7 is distribution schematic diagram of the piston type particle damping element on finer wire rack in the utility model;
Fig. 8 is the schematic diagram that the piston type particle damping energy dissipation vibration damping sleeper of the utility model is arranged in roadbed section;
Fig. 9 is the schematic diagram that the piston type particle damping energy dissipation vibration damping sleeper of the utility model is arranged in overpass;
Figure 10 is the three-dimensional view of the second embodiment of the piston type particle damping energy dissipation vibration damping sleeper of the utility model;
Figure 11 is distribution schematic diagram of the piston type particle damping element in sleeper main body in the utility model.
Specific implementation mode
The feature of the utility model and other correlated characteristics are made further specifically by embodiment below in conjunction with attached drawing
It is bright, in order to the understanding of technical staff of the same trade:
Such as Fig. 1-11, label 1-15 is respectively in figure:Piston type particle damping energy dissipation vibration damping sleeper 1, is lived at sleeper main body 2
It is plug particle damping element 3, rail support groove 4, sulfur cement mortar anchorage bolt hole 5, shell 6, damping particles 7, metal ball 8, wire 9, pre-
Stress reinforcing bar 10, finer wire rack 11, railway ballast 12, rail 13, roadbed 14, overpass 15.
Embodiment 1:As shown in Figure 1, 2, the present embodiment is specifically related to a kind of piston type particle damping energy dissipation vibration damping sleeper 1,
The piston type particle damping energy dissipation vibration damping sleeper 1 includes sleeper main body 2 and the piston type particle being embedded in sleeper main body 2 resistance
Buddhist nun's element 3;The upper surface of sleeper main body 2 is provided with rail support groove 4;Rail support groove 4 is for installing rail.
As shown in Figure 1,3, the piston type particle damping energy dissipation vibration damping sleeper 1 of the present embodiment is bolster formula, wherein sleeper master
There are two rail support grooves 4 for the upper surface setting of body 2;Two rail support grooves 4 are located at the both ends of the sleeper main body 2;The present embodiment
In, the length of sleeper main body 2 is respectively 2600mm, 330mm, 250mm;It is C30 to C50's that sleeper main body 2, which uses intensity,
Concreting is made;The bottom surface of rail support groove 4 is support rail slope, and support rail slope is the inclined inclined-plane in middle part to the sleeper main body 2,
Its gradient is 1:40;The sulfur cement mortar anchorage bolt hole 5 being connected and fixed for rail is further opened in the bottom surface of rail support groove 4.
As shown in Figure 3,4,3 integrated distribution of piston type particle damping element in sleeper main body 2 is in two rail support grooves 4
Lower section;Piston type particle damping element 3 is mainly used for absorbing piston type particle damping energy dissipation vibration damping sleeper 1 during the work time
Vibrational energy;Piston type particle damping element 3 includes shell 6, and shell 6 is internally provided with damping particles 7 and metal ball 8;Metal
It is connected and fixed through wire 9 between ball 8 and sleeper main body 2;In the present embodiment, the both sides of metal ball 8 have been respectively fixedly connected with
One one metal wire 9;Two one metal wires 9 are each passed through two opposite side walls of shell 6, and extend to the coagulation of sleeper main body 2
Native internal and concrete consolidates, and the side wall of shell 6 offers the through-hole passed through for wire 9.
As shown in Figure 3,4, piston type particle damping element 3 is a kind of passive vibration control technology;When piston type particle hinders
When Buddhist nun's passive energy dissipation sleeper 1 is in running order, the vibration of piston type particle damping energy dissipation vibration damping sleeper 1 passes through sleeper main body 2
It is transferred to piston type particle damping element 3 so that the damping particles 7 in piston type particle damping element 3 vibrate;Rail simultaneously
It rests the head on main body 2 and passes through the metal ball 8 in the drawing piston type particle of wire 9 damping element 3 so that metal ball 8 generates vibration;In gold
In the vibration processes for belonging to ball 8 and damping particles 7, damping particles 7 can collide and rub with metal ball 8, damping particles 7 it
Between also can collide and rub;Collision and friction can consume vibrational energy, and vibrational energy is converted into heat, to realize consumption
Dissipate the effect of vibrational energy;Piston type particle damping element 3 is embedded in inside sleeper main body 2, this implementation can be effectively enhanced
The damping of the piston type particle damping energy dissipation vibration damping sleeper 1 of example and the ability of dissipation vibrational energy.
As shown in figure 4, in the present embodiment, the shell 6 of piston type particle damping element 3 is thin for the Q195 of 2mm by thickness
Regular hexahedron made of steel plate, the length of side is in 1.3cm between 1.5cm;It is used with cyanoacrylate at the joining thin steel sheet of shell 6
Acetoacetic ester is that the metal glue sticking of primary raw material forms.
As shown in figure 4, in the present embodiment, the material of damping particles 7 is arbitrary in tungsten powder, lead powder, copper powder and iron powder
One or more combinations, the ratio of the damping particles 7 by adjusting various materials, the totality that can adjust damping particles 7 are close
Degree;The grain size of damping particles 7 is 0.001mm to 0.5mm;The filling rate of 6 internally-damped particle 7 of shell is between 50% to 90%;
In order to reach better effectiveness in vibration suppression, the filling rate and damping particles 7 of damping particles 7 in the grain sizes of damping particles 7, shell 6
Material density it is directly proportional to the Oscillation Amplitude of piston type particle damping energy dissipation vibration damping sleeper 1 during the work time.
As shown in Figure 3,4, in the present embodiment, a diameter of 1mm of the through-hole passed through for wire 9 on the side wall of shell 6;Gold
Belong to the thin wire that silk 9 is a diameter of 0.3mm, wire 9 is connect with metal ball 8 by welding;Metal ball 8 is that diameter exists
For 4.5mm to the small iron ball between 5.5mm, the diameter of metal ball 8 is bigger, and effectiveness in vibration suppression is better;For the ease of production, each metal
The identical small iron ball of diameter can be used in ball 8;The end of wire 9 passes through shell 6 and extends in the concrete of sleeper main body 2
Portion, and consolidated with concrete;In the shape of a spiral, this makes wire 9 for the part that wire 9 is consolidated with concrete in the present embodiment
Connection between sleeper main body 2 is more firm, so that wire 9 will not be from the mixed of sleeper main body 2 in vibration processes
It is detached from solidifying soil.
As shown in figure 5, in the present embodiment, the inside concrete of sleeper main body 2 is additionally provided with more deformed bars 10;This
In embodiment, deformed bar 10 is a diameter of 10mm, the pretensioned prestressing reinforcing bar that length is 2620mm, runs through sleeper master
The both ends of body 2;The number of deformed bar 10 is that 10,10 deformed bars 10 are distributed in sleeper main body 2 using three layers;Most
4, upper layer, 2, middle layer, lowest level 4;The spacing of adjacent two layers deformed bar 10 is 70mm;Each layer deformed bar 10
Outer rim reinforcing bar alignment.
As shown in Figs. 5 to 7, it is additionally provided with finer wire rack 11 in the inside concrete of sleeper main body 2, the purpose is to conducts
The mounting framework of piston type particle damping element 3 does not hold convenient for fixed piston formula particle damping element 3 in process of production
It is loaded;The length of finer wire rack 11 is respectively 800mm, 275mm, 100mm, the steel wire diameter in finer wire rack 11
For 1mm to 2mm;Finer wire rack 11 includes three layers of finer wire net altogether, uses equidistantly distributed on each layer finer wire net height, often
The longitudinal uniformly arrangement six roots of sensation finer wire of layer finer wire net, every longitudinal steel wire 14 piston types of arrangement of the finer wire net of top layer
Particle damping element 3, every longitudinal steel wire 13 piston type particle damping elements 3 of arrangement of the finer wire net of middle layer are most lower
Every finer wire 12 piston type particle damping elements 3 of arrangement of layer finer wire net;Piston type particle damping on each finer wire
Element 3 is all used and is equally spaced(If piston type particle damping member can be increased by vibrating excessive location for track structure
The arrangement number and density of part 3).Two finer wire racks 11 are placed in per sleepers main body 2, two finer wire racks 11 are distributed
Top layer's geometric center in the center line both sides of sleeper main body 2, while finer wire rack 11 is directed at the center of rail support groove 4, carefully
The distance at 4 center of top layer's centre distance sleeper rail support groove of steel wire net rack 11 is 60mm.Finer wire rack 11 and piston type
The shell 6 of grain damping element 3 by the metal-to-metal adhesive of primary raw material of cyanacrylate by bonding together.
It, can root during producing piston type particle damping energy dissipation vibration damping sleeper 1 of the present embodiment as shown in Fig. 1 to 7
According to caused by line conditions, train speed dynamic load and piston type particle damping energy dissipation vibration damping sleeper during the work time
Oscillation Amplitude chooses the parameters such as damping particles filling rate, the density of damping particles, the arrangement density of piston type particle damping element;
The production process of the piston type particle damping energy dissipation vibration damping sleeper 1 of the present embodiment specifically includes following steps:
1)As shown in Figure 1, placing the template designed in advance according to the geometric dimension of sleeper main body 2, template is placed on and is first opened
On the pedestal that method deformed bar needs.
2)Make piston type particle damping element 3 according to structure shown in Fig. 4;And piston type particle damping element 3 is pressed
It is bonded on finer wire rack 11 according to arrangement mode shown in Fig. 7.
3)As shown in Fig. 3,5, the finer wire rack 11 for being respectively bonded with two piston type particle damping element 3 is placed on
Inside template, and to prestressed reinforcing bar 10 inside template, and the end of deformed bar 10 is placed on pre-tensioning system and is answered in advance
On the pedestal of power reinforcing bar;Finer wire net in finer wire rack 11 rides upon on deformed bar 10, this makes finer wire rack
11 bottom and the bottom of template are kept at a distance, to form concrete cover.
4)As shown in figure 5, C30 concrete is added into template;And prestressed stretch-draw is carried out to deformed bar 10, pass through
Concrete is conserved after vibrating;The end of deformed bar 10 is cut after 28 days and is demoulded;So far the present embodiment
Piston type particle damping energy dissipation vibration damping sleeper 1 production finish.
As shown in Figure 8,9, the piston type particle damping energy dissipation vibration damping sleeper 1 of the present embodiment is in use;By piston
Formula particle damping energy dissipation vibration damping sleeper 1 is arranged on railway ballast 12, and rail 13 is mounted on piston type particle damping energy dissipation vibration damping sleeper 1
Upper surface;In train travelling process, the vibration that wheel is generated with rail 13 passes through piston type particle damping energy dissipation vibration damping sleeper 1
It is transferred to railway ballast 12, then roadbed 14 shown in Fig. 8 or overpass 15 as figure 9 is passed to by railway ballast 12;Contain work in inside
The piston type particle damping energy dissipation vibration damping sleeper 1 of plug particle damping element 3 is on the path that vibration is transmitted, piston type particle
Damping energy dissipation vibration damping sleeper 1 can effectively absorb vibrational energy by piston type particle damping element 3, to effectively reduce
Track structure vibrates the influence to surrounding enviroment.
The advantageous effects of the present embodiment are:The piston type particle damping element being arranged in sleeper main body can absorb
And consume the vibrational energy of sleeper main body;Piston type particle damping element is embedded in sleeper body interior equivalent to increase work
The damping of plug particle damping energy dissipation vibration damping sleeper so that piston type particle damping energy dissipation vibration damping sleeper can dissipate wheel track work
With the vibrational energy of generation, play the role of vibration damping and vibration isolation;Piston type particle damping element can effectively absorption frequency arrive for 0
Vibration between 6000Hz;Relative to other track structure dampening apparatus, piston type particle damping element is simple in structure and durable
Property is good, and piston type particle damping element is embedded in the work that number of devices and maintenance can be effectively reduced in sleeper main body
Amount.
Embodiment 2:As shown in Figure 10,11, the main distinction of the present embodiment and embodiment 1 is the piston type of the present embodiment
Particle damping energy dissipation vibration damping sleeper 1 is short pillow formula sleeper;The upper surface of the sleeper main body 2 of the present embodiment is provided only with a support rail
Slot 4;The length of sleeper main body 2 is respectively 1200mm, 330mm, 250mm in the present embodiment;When in use, two piston types
1 one groups of particle damping energy dissipation vibration damping sleeper constitutes a complete sleeper;Consumption is damped positioned at same group of two piston type particles
Energy vibration damping sleeper 1 is separately mounted to the both sides of track, to support two one steel rails respectively.
Claims (7)
1. a kind of piston type particle damping energy dissipation vibration damping sleeper, it is characterised in that:The piston type particle damping energy dissipation vibration damping rail
Pillow includes sleeper main body and the piston type particle damping element being embedded in the sleeper main body;The upper table of the sleeper main body
Face is provided with rail support groove;The piston type particle damping element includes shell, and the enclosure interior is provided with damping particles and gold
Belong to ball;It is connected and fixed through wire between the metal ball and the sleeper main body.
2. a kind of piston type particle damping energy dissipation vibration damping sleeper according to claim 1, it is characterised in that:The metal ball
Both sides be respectively fixedly connected with a wire, two wires be each passed through two of the shell it is opposite
Side wall, the inside concrete and concrete for extending to the sleeper main body consolidate.
3. a kind of piston type particle damping energy dissipation vibration damping sleeper according to claim 2, it is characterised in that:The wire
The part consolidated with the concrete of the sleeper body interior is in the shape of a spiral.
4. a kind of piston type particle damping energy dissipation vibration damping sleeper according to claim 1, it is characterised in that:The shell is
Hexahedron, the length of side is between 1.3 ~ 1.5cm;The diameter of the metal ball is between 4.5 ~ 5.5mm.
5. a kind of piston type particle damping energy dissipation vibration damping sleeper according to claim 1, it is characterised in that:The rail support groove
Bottom surface offer sulfur cement mortar anchorage bolt hole;The piston type particle damping element is distributed in the lower section of the rail support groove.
6. a kind of piston type particle damping energy dissipation vibration damping sleeper according to claim 1, it is characterised in that:The rail support groove
Bottom surface be rail cant;The gradient of the rail cant is 1:40.
7. a kind of piston type particle damping energy dissipation vibration damping sleeper according to claim 1, it is characterised in that:The sleeper master
Body is internally provided with deformed bar and finer wire rack, and the case bonding of the piston type particle damping element is described thin
On steel wire net rack.
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CN201720962736.6U CN207633141U (en) | 2017-08-03 | 2017-08-03 | A kind of piston type particle damping energy dissipation vibration damping sleeper |
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CN201720962736.6U CN207633141U (en) | 2017-08-03 | 2017-08-03 | A kind of piston type particle damping energy dissipation vibration damping sleeper |
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CN201720962736.6U Expired - Fee Related CN207633141U (en) | 2017-08-03 | 2017-08-03 | A kind of piston type particle damping energy dissipation vibration damping sleeper |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107503247A (en) * | 2017-08-03 | 2017-12-22 | 华东交通大学 | A kind of piston type particle damping energy dissipation vibration damping sleeper |
-
2017
- 2017-08-03 CN CN201720962736.6U patent/CN207633141U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107503247A (en) * | 2017-08-03 | 2017-12-22 | 华东交通大学 | A kind of piston type particle damping energy dissipation vibration damping sleeper |
CN107503247B (en) * | 2017-08-03 | 2024-04-02 | 华东交通大学 | Piston type particle damping energy-consumption vibration reduction sleeper |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180720 Termination date: 20200803 |
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CF01 | Termination of patent right due to non-payment of annual fee |