A kind of vertical force measurement type hyperboloid spheroidal bearer of shock absorption and insulation
Technical field
This utility model belongs to bridge structure or technical field of buildings, is related to a kind of hyperboloid for possessing vertical force measuring function
Ball-type vibration reducing obstructing support base.
Background technology
Now in Chinese transportation engineering construction, newly-built high-speed railway and bridge on highway accounting are increasing.To guarantee
A large amount of bridges built and baroque especially big bridge construction and operation security, in the urgent need to it is a kind of it is reliable, with promotion price
The modernization monitoring of value and early warning means.Important component part of the bridge adnexa as bridge system is normal for guarantee bridge
Function plays an important role.Operation of the behaviour in service of bridge adnexa to bridge has a major impact, the work to bridge adnexa
State carries out effectively monitoring and also bridge working condition can be estimated.
Connected using bearing between the beam and bridge pier and abutment of most bridges, bearing plays supporting bridge superstructure deadweight
With the effect of train load, while coordinating the malformation that bridge is produced due to load action and temperature change.High-speed Railway Bridges
It is Box Simple Supported Beam bridge and continuous bridge that beam is most, and, by 4 bearing supports, continuous beam is then by more than 4 for every box beam
Bearing support., under bridge deadweight and High-speed Train Loads, the load that bearing bears is one for freely-supported Box-girder Bridges and continuous bridge
Change in fixed scope, if the pier of bridge occurs abnormal displacement, necessarily causes the abnormal change of end reaction.Cause
This, whether real-time monitoring bridge pad counter-force situation of change just can monitor the working condition of bridge, judge which in normal model
Enclose.
At present, the one kind of hyperboloid spheroidal bearer of shock absorption and insulation as friction pendulum support, with subtracting, isolation property is excellent, Gao Cheng
The advantages of carrying power, big displacement ability, life-span length, but dynamometry ability is not had, the especially dynamometry ability of vertical direction.
Utility model content
The purpose of this utility model is to provide a kind of vertical force measurement type hyperboloid spheroidal bearer of shock absorption and insulation, by existing skill
The improvement in structure is carried out on the basis of the hyperboloid spheroidal bearer of shock absorption and insulation of art, is coordinated device for measuring force, is filled by corresponding dynamometry
Put and the vertical pressure above bearing is monitored, solve a difficult problem for the vertical dynamometry of vibration absorption and isolation support, provide for bridge monitoring
Technical support.
To solve above-mentioned technical problem, the technical scheme adopted by this utility model is:A kind of vertical force measurement type hyperboloid
Ball-type vibration reducing obstructing support base, including the upper base plate and the bedplate of bottom at top, upper base plate and bedplate are respectively equipped with relative cunning
Concave spherical surface is moved, seat board, device for measuring force and lower seat board in being provided between upper base plate and bedplate, device for measuring force include the survey of annular
Power block and data acquisition module, are annular slope at the top of dynamometry block, and the inside height of dynamometry block are less than the height in outside, bottom
For planar annular;
The sliding convex spherical that can be slided along upper base plate sliding concave spherical surface, middle seat board bottom centre position are provided with the top of middle seat board
Cylindrical boss is provided with down along its axial direction, middle seat board side is provided with ring inclined-plane, in upper edge and the middle seat on ring inclined-plane
Cylinder and lower cylinder are respectively equipped between the lower edge between top of the plate portion and ring inclined-plane and middle seat board bottom;
The bottom of the lower seat board is provided with the sliding convex spherical being engaged with sliding concave spherical surface in bedplate, in lower seat board
Top arranges the cylindrical recesses corresponding with the cylindrical boss, and the depth of cylindrical recesses is more than the length of columnar projections, under
The annular stop platform that seat board top sides raise up along setting;
After the cylindrical recesses of the lower seat board of cylindrical boss insertion of the middle seat board, described dynamometry block is clipped in oblique by ring
In the space for installing device for measuring force constituted at the top of face, annular stop platform and lower seat board, also, described ring inclined-plane
It is pressed on the annular slope at the top of dynamometry block, the medial surface and lateral surface of dynamometry block withstand on described lower cylinder and annular limit respectively
On the platform of position, the lateral surface of dynamometry block arranges the mounting groove for installing resistance-strain element, and the resistance being connected with data acquisition module should
Dependent element is fixed in mounting groove.
Further, in the bottom of the upper base plate, the spacing direction along bearing arranges limiting plate.
Further, between the upper base plate and middle seat board convex spherical friction is respectively equipped between lower seat board and bedplate,
Secondary and concave spherical surface friction pair, at the top of the dynamometry block and the ring inclined-plane of middle seat board between, dynamometry block bottom and lower seat board it
Between be respectively provided with annular slope friction pair and planar annular friction pair.
Further, described convex spherical friction pair, concave spherical surface friction pair, annular slope friction pair and planar annular friction
It is secondary to be constituted by rustless steel slide plate and nonmetallic slide plate.
Compared with prior art, the beneficial effects of the utility model are:
First, during actually used, the vertical force born by bearing passes through upper base plate, middle seat board to this utility model
It is delivered on the dynamometry block of annular, and acts on the annular slope of dynamometry block, the water of a ring can be produced on annular slope
Horizontal drawing power, ring horizontal pull make the resistance value of the resistance-strain element in outside change, and this variable quantity is adopted by data
Collection module collection, analysis, process after, complete the measure work functions of bearing vertical force;Meanwhile, the upper and lower contact surface of device for measuring force
Friction pair sliding surface is, and smears silicone grease, frictional force is less, it is less by the deformation effect that vertical force is produced to device for measuring force,
Ensure the accuracy of vertical force measurement.
Second, bearing arranges limiting plate in spacing direction, and limiting plate ensures that bearing is not destroyed under normal use and plays limit
Position effect;When earthquake generation and horizontal force exceed design load, the destruction of bearing limiting plate has no effect on geological process undersetting cunning
Dynamic function.
3rd, in bearing, the bottom centre position of seat board has cylindrical boss, and under bearing, there is column seat board central upper portion position
Groove, leaves a small amount of gap during the two assembling, plays centralized positioning effect, and this makes seat board, device for measuring force and lower seat board in bearing
Three parts remain in bearing running be relatively fixed it is integral, bearing by upper base plate and middle seat board, lower seat board with
Double sphere anabolic effect of bedplate realize that horizontal reciprocating slides.During reciprocatingly sliding, by the frictional resistance of sliding surface
Dissipation seismic energy, and extending structure natural vibration period, reach damping and isolation effect.After earthquake, superstructure reforms recovery certainly
Power, makes bearing reset.
Description of the drawings
Fig. 1 is 1 structural representation of this utility model embodiment.
Fig. 2 is the A-A sectional views in Fig. 1.
Fig. 3 is 2 structural representation of this utility model embodiment.
Fig. 4 is the A-A sectional views in Fig. 3.
Fig. 5 is 3 structural representation of this utility model embodiment.
Fig. 6 is the A-A sectional views in Fig. 5.
Fig. 7 be I in Fig. 5 at partial enlarged drawing.
Labelling in figure:1st, upper base plate, 2, middle seat board, 3, dynamometry block, 4, lower seat board, 5, bedplate, 6, limiting plate, 7, convex ball
Face friction pair, 8, annular slope friction pair, 9, planar annular friction pair, 10, concave spherical surface friction pair, 11, resistance-strain element.
Specific embodiment
Below in conjunction with the accompanying drawings, by specific embodiment this utility model is described further.
Embodiment 1:This embodiment gives can longitudinally-moving vertical force measurement type hyperboloid spheroidal bearer of shock absorption and insulation, such as scheme
1st, shown in 2, the bearing is mainly made up of upper base plate, middle seat board, device for measuring force, lower seat board, bedplate, limiting plate and friction pair.
Wherein, upper base plate lower surface opens up sliding concave spherical surface, and concave spherical surface both sides are respectively along the spacing direction of bearing(Cross-bridges
To)Limiting plate is set, and antitrope centered on middle seat board, its top are sliding convex spherical, and bottom centre position is down along its axis
Be provided with cylindrical boss, its side have a ring inclined-plane, at the top of the upper edge on ring inclined-plane ring inclined-plane and middle seat board between
And cylinder and lower cylinder are respectively equipped between the lower edge and middle seat board bottom on ring inclined-plane;
The bottom of lower seat board is provided with the sliding convex spherical being engaged with sliding concave spherical surface in bedplate, at the top of lower seat board
The cylindrical recesses corresponding with the cylindrical boss are set, and the depth of cylindrical recesses is more than the length of columnar projections, along lower seat board
The annular stop platform that top sides raise up along setting;
Described device for measuring force is made up of the dynamometry block and data acquisition module of annular, is and the ring at the top of dynamometry block
The annular slope that inclined-plane coordinates, and the inside height of dynamometry block, less than the height in outside, bottom is planar annular, in middle seat board post
After in the lower seat board cylindrical recesses of shape boss insertion, dynamometry block is clipped between middle seat board and lower seat board, also, described ring is oblique
On the annular slope at the top of dynamometry block, the medial surface and lateral surface of dynamometry block withstand on described lower cylinder and spacing to face pressure respectively
On platform, the lateral surface of dynamometry block arranges the mounting groove for installing resistance-strain element, the resistance-strain being connected with data acquisition module
Element is fixed in mounting groove;
Described friction pair includes convex spherical friction pair between upper base plate and middle seat board, between lower seat board and bedplate
The planar annular between annular slope friction pair, dynamometry block and lower seat board between concave spherical surface friction pair, dynamometry block and middle seat board
Friction pair, each friction pair are constituted by rustless steel slide plate and nonmetallic slide plate, wherein, the sliding concave spherical surface of upper base plate, middle seat
The sliding convex spherical on the ring inclined-plane, the annular top of lower seat board and bottom of plate is respectively welded rustless steel slide plate, the cunning of middle seat board
The annular slope moved at the top of convex spherical, device for measuring force and the sliding concave spherical surface of the planar annular and bedplate of bottom are inlayed respectively
Nonmetallic slide plate;Convex spherical friction pair, concave spherical surface friction pair, annular slope friction pair, planar annular friction pair are collectively constituted and are propped up
The pressure-bearing friction pair of seat;Bearing is by by the convex spherical friction pair between upper base plate and middle seat board, between lower seat board and bedplate
Concave spherical surface friction pair composition double sphere friction pairs realize jointly the sliding of bearing, rotate and subtract function of shock insulation.
The bearing in use, when the vertical force born by bearing is delivered to device for measuring force, inclined-plane Normal compressive stress meeting
A ring horizontal pull is produced, ring horizontal pull makes the resistance value of the resistance-strain element in outside change, this change
Change amount completes the measure work functions of bearing vertical force after data collecting module collected, analysis, processing.Meanwhile, dynamometry block
Upper and lower contact surface is friction pair sliding surface, and smears silicone grease, and frictional force is less, the change produced by vertical force to device for measuring force
Shape affects less, it is ensured that the accuracy of vertical force measurement.
Bearing during normal use can be destroyed in the limiting plate set by spacing direction, to play position-limiting action;
And when earthquake generation and horizontal force exceed design load, the destruction of bearing limiting plate has no effect on geological process undersetting slip work(
Energy.
By the bispherical anabolic effect of convex spherical friction pair and concave spherical surface friction pair, bearing realizes that horizontal reciprocating slides,
During reciprocatingly sliding, by the frictional resistance dissipation seismic energy of friction pair, and extending structure natural vibration period, reach subtract every
Shake effect.After earthquake, by superstructure from restoring force is reformed, bearing is made to reset.
The vertical force measurement type hyperboloid spheroidal bearer of shock absorption and insulation of longitudinally-moving of the present embodiment under normal circumstances, is capable of achieving perpendicular
To carrying, the vertical bridge of level to slip, direction across bridge is spacing and bearing angle turning function;After realizing subtracting shock insulation and shaking in earthquake automatically
Reset function;Bearing is provided with vertical force measuring function during whole service.
Embodiment 2:This gives can multidirectional movable vertical force measurement type hyperboloid spheroidal bearer of shock absorption and insulation, such as figure
3rd, shown in 4, the bearing is mainly made up of upper base plate, middle seat board, device for measuring force, lower seat board, bedplate and friction pair.
Wherein, upper base plate lower surface opens up sliding concave spherical surface, antitrope centered on middle seat board, and its top is the convex ball of sliding
Face, bottom centre position are provided with cylindrical boss down along its axis, and its side has a ring inclined-plane, and ring inclined-plane ring is oblique
Cylinder is respectively equipped between the lower edge and middle seat board bottom between at the top of the upper edge in face and middle seat board and ring inclined-plane
With lower cylinder;
The bottom of lower seat board is provided with the sliding convex spherical being engaged with sliding concave spherical surface in bedplate, at the top of lower seat board
The cylindrical recesses corresponding with the cylindrical boss are set, and the depth of cylindrical recesses is more than the length of columnar projections, along lower seat board
The annular stop platform that top sides raise up along setting;
Described device for measuring force is made up of the dynamometry block and data acquisition module of annular, is and the ring at the top of dynamometry block
The annular slope that inclined-plane coordinates, and the inside height of dynamometry block, less than the height in outside, bottom is planar annular, in middle seat board post
After in the lower seat board cylindrical recesses of shape boss insertion, dynamometry block is clipped between middle seat board and lower seat board, also, described ring is oblique
On the annular slope at the top of dynamometry block, the medial surface and lateral surface of dynamometry block withstand on described lower cylinder and spacing to face pressure respectively
On platform, the lateral surface of dynamometry block arranges the mounting groove for installing resistance-strain element, the resistance-strain being connected with data acquisition module
Element is fixed in mounting groove;
Described friction pair includes convex spherical friction pair between upper base plate and middle seat board, between lower seat board and bedplate
The planar annular between annular slope friction pair, dynamometry block and lower seat board between concave spherical surface friction pair, dynamometry block and middle seat board
Friction pair, each friction pair are constituted by rustless steel slide plate and nonmetallic slide plate, wherein, the sliding concave spherical surface of upper base plate, middle seat
The sliding convex spherical on the ring inclined-plane, the annular top of lower seat board and bottom of plate is respectively welded rustless steel slide plate, the cunning of middle seat board
The annular slope moved at the top of convex spherical, device for measuring force and the sliding concave spherical surface of the planar annular and bedplate of bottom are inlayed respectively
Nonmetallic slide plate;Convex spherical friction pair, concave spherical surface friction pair, annular slope friction pair, planar annular friction pair are collectively constituted and are propped up
The pressure-bearing friction pair of seat;Bearing is by by the convex spherical friction pair between upper base plate and middle seat board, between lower seat board and bedplate
Concave spherical surface friction pair composition double sphere friction pairs realize jointly the sliding of bearing, rotate and subtract function of shock insulation.
The bearing in use, when the vertical force born by bearing is delivered to device for measuring force, inclined-plane Normal compressive stress meeting
A ring horizontal pull is produced, ring horizontal pull makes the resistance value of the resistance-strain element in outside change, this change
Change amount completes the measure work functions of bearing vertical force after data collecting module collected, analysis, processing.Meanwhile, dynamometry block
Upper and lower contact surface is friction pair sliding surface, and smears silicone grease, and frictional force is less, the change produced by vertical force to device for measuring force
Shape affects less, it is ensured that the accuracy of vertical force measurement.
By the bispherical anabolic effect of convex spherical friction pair and concave spherical surface friction pair, bearing realizes that horizontal reciprocating slides,
During reciprocatingly sliding, by the frictional resistance dissipation seismic energy of friction pair, and extending structure natural vibration period, reach subtract every
Shake effect.After earthquake, by superstructure from restoring force is reformed, bearing is made to reset.
The vertical force measurement type hyperboloid spheroidal bearer of shock absorption and insulation of multidirectional activity of the present embodiment under normal circumstances, is capable of achieving perpendicular
To carrying, the vertical bridge of level is to, the slip of direction across bridge and bearing angle turning function;Automatically reset after realizing subtracting shock insulation and shake in earthquake
Function;Bearing is provided with vertical force measuring function during whole service.
Embodiment 3:This gives the vertical force measurement type hyperboloid spheroidal bearer of shock absorption and insulation of fixation, as shown in Figure 5,6,
The bearing is mainly made up of upper base plate, middle seat board, device for measuring force, lower seat board, limiting plate, bedplate and friction pair.
Wherein, upper base plate lower surface opens up sliding concave spherical surface, sets along the spacing direction of bearing in the outside of sliding concave spherical surface
Limited location plate, the spacing direction is Fig. 5, the direction across bridge in 6 and vertical bridge are to antitrope centered on middle seat board, its top are sliding
Convex spherical, bottom centre position are provided with cylindrical boss down along its axis, and its side has a ring inclined-plane, ring inclined-plane ring
It is respectively equipped between at the top of the upper edge on inclined-plane and middle seat board and between the lower edge and middle seat board bottom on ring inclined-plane
Cylinder and lower cylinder;
The bottom of lower seat board is provided with the sliding convex spherical being engaged with sliding concave spherical surface in bedplate, at the top of lower seat board
The cylindrical recesses corresponding with the cylindrical boss are set, and the depth of cylindrical recesses is more than the length of columnar projections, along lower seat board
The annular stop platform that top sides raise up along setting;
Described device for measuring force is made up of the dynamometry block and data acquisition module of annular, is and the ring at the top of dynamometry block
The annular slope that inclined-plane coordinates, and the inside height of dynamometry block, less than the height in outside, bottom is planar annular, in middle seat board post
After in the lower seat board cylindrical recesses of shape boss insertion, dynamometry block is clipped between middle seat board and lower seat board, also, described ring is oblique
On the annular slope at the top of dynamometry block, the medial surface and lateral surface of dynamometry block withstand on described lower cylinder and spacing to face pressure respectively
On platform, the lateral surface of dynamometry block arranges the mounting groove for installing resistance-strain element, the resistance-strain being connected with data acquisition module
Element is fixed in mounting groove;
Described friction pair includes convex spherical friction pair between upper base plate and middle seat board, between lower seat board and bedplate
The planar annular between annular slope friction pair, dynamometry block and lower seat board between concave spherical surface friction pair, dynamometry block and middle seat board
Friction pair, each friction pair are constituted by rustless steel slide plate and nonmetallic slide plate, wherein, the sliding concave spherical surface of upper base plate, middle seat
The sliding convex spherical on the ring inclined-plane, the annular top of lower seat board and bottom of plate is respectively welded rustless steel slide plate, the cunning of middle seat board
The annular slope moved at the top of convex spherical, device for measuring force and the sliding concave spherical surface of the planar annular and bedplate of bottom are inlayed respectively
Nonmetallic slide plate;Convex spherical friction pair, concave spherical surface friction pair, annular slope friction pair, planar annular friction pair are collectively constituted and are propped up
The pressure-bearing friction pair of seat;Bearing is by by the convex spherical friction pair between upper base plate and middle seat board, between lower seat board and bedplate
Concave spherical surface friction pair composition double sphere friction pairs realize jointly the sliding of bearing, rotate and subtract function of shock insulation.
The bearing in use, when the vertical force born by bearing is delivered to device for measuring force, inclined-plane Normal compressive stress meeting
A ring horizontal pull is produced, ring horizontal pull makes the resistance value of the resistance-strain element in outside change, this change
Change amount completes the measure work functions of bearing vertical force after data collecting module collected, analysis, processing.Meanwhile, dynamometry block
Upper and lower contact surface is friction pair sliding surface, and smears silicone grease, and frictional force is less, the change produced by vertical force to device for measuring force
Shape affects less, it is ensured that the accuracy of vertical force measurement.
Bearing during normal use can be destroyed in the limiting plate set by spacing direction, to play position-limiting action;
And when earthquake generation and horizontal force exceed design load, the destruction of bearing limiting plate has no effect on geological process undersetting slip work(
Energy.
By the bispherical anabolic effect of convex spherical friction pair and concave spherical surface friction pair, bearing realizes that horizontal reciprocating slides,
During reciprocatingly sliding, by the frictional resistance dissipation seismic energy of friction pair, and extending structure natural vibration period, reach subtract every
Shake effect.After earthquake, by superstructure from restoring force is reformed, bearing is made to reset.
The vertical force measurement type hyperboloid spheroidal bearer of shock absorption and insulation of fixation of the present embodiment under normal circumstances, is capable of achieving vertically to hold
Carry, the vertical bridge of level is to, direction across bridge is spacing and bearing angle turning function;Realize subtracting auto-reset function after shock insulation and shake in earthquake;
Bearing is provided with vertical force measuring function during whole service.