CN103669203A - Modular-pattern comb plate stretching and contracting device - Google Patents
Modular-pattern comb plate stretching and contracting device Download PDFInfo
- Publication number
- CN103669203A CN103669203A CN201310747397.6A CN201310747397A CN103669203A CN 103669203 A CN103669203 A CN 103669203A CN 201310747397 A CN201310747397 A CN 201310747397A CN 103669203 A CN103669203 A CN 103669203A
- Authority
- CN
- China
- Prior art keywords
- deformed steel
- central sill
- comb plate
- side bar
- steel
- 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.)
- Granted
Links
Images
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The invention belongs to the technical field of telescopic devices and discloses a modular-pattern comb plate stretching and contracting device. The modular-pattern comb plate stretching and contracting device is mainly characterized in that the modular-pattern comb plate stretching and contracting device comprises boundary beam figured steel, middle beam figured steel, a boundary beam comb plate and a middle beam comb plate, waterproof rubber strips and leaf springs are arranged between the boundary beam figured steel and the middle beam figured steel and between every two adjacent pieces of middle beam figured steel, a displacement control box with a cross beam is arranged at the bottom of the boundary beam figured steel, a pressing support and a bearing support are arranged on the upper portion and the lower portion of the cross beam in the displacement control box respectively, a limiting support is arranged on the lateral side of the cross beam in the displacement control box, a cross beam is arranged at the bottom of the middle beam figured steel and penetrates through a bracket, and a pressing support and a bearing support are arranged between the bracket and the cross beam and between the cross beam and the middle beam figured steel respectively. The modular-pattern comb plate stretching and contracting device meets requirements for bridge stretching and contracting displacement changes, avoids vehicle jumping, does not need cleaning, and is easy to replace, safe and reliable.
Description
Technical field
The invention belongs to bridge extension joint technical field, relate in particular to a kind of modulus type comb plate stretching device.
Background technology
In the use procedure of bridge extension joint, relatively more conventional is modular expansion device and comb plate stretching device.The modular expansion device generally using is comprised of side bar, central sill, crossbeam and interlinked mechanism, in running, easily there is to jump car phenomenon, because gap between shaped steel is large, service brake frequent impact shaped steel is easily destroyed, the easy laying dust in water proof rubber bar top in use procedure.In addition, after damage parts, need to block traffic, whole piece stretching device is taken out and could be changed, change trouble.The board-like stretching device of broach using at present, using more is great-leap-forward toothed plate type stretching device, although this structure stretching device has solved modular expansion device and has jumped car deficiency, but the deficiency of comb plate stretching device maximum is bridge telescopic displacement to be completed by the relative variation of a whole piece comb teeth bar length, especially the stretching device of big displacement quantity, the tooth bar of comb plate is carefully grown, along bridge, clearance groove is longer along the bridge at phase road pavement place, cause stretching device laying dust serious, and, in this kind of stretching device use procedure, the possibility of thin and long comb plate tooth bar fatigue fracture owing to being subject to frequent load vibratory impulse.In addition, if tooth plate tooth can not get timely replacing after fractureing, gap is long and wide herein, exist the thin type tire such as bicycle, motorcycle, electric motor car by time the potential danger that has an accident.
Summary of the invention
The technical problem to be solved in the present invention is just to provide a kind of anti-jump car, exempt from cleaning, easily change, safe and reliable modulus type comb plate stretching device.
For solving the problems of the technologies described above, the technical solution used in the present invention is: comprise paired side bar deformed steel and at least one central sill deformed steel of being arranged between bridge end shrinkage joint, between side bar deformed steel and central sill deformed steel and between adjacent two central sill deformed steels, be respectively arranged with water proof rubber bar, side bar deformed steel, above central sill deformed steel, be respectively arranged with side bar comb plate, central sill comb plate, side bar comb plate, central sill comb plate is arranged with stainless steel slide plate, between described side bar deformed steel and central sill deformed steel and between adjacent two central sill deformed steels, be respectively arranged with leaf spring, side bar deformed steel bottom is provided with the displacement controlling box with crossbeam, in displacement controlling box, crossbeam is upper, be respectively equipped with compressing support below, bearing, in displacement controlling box, the side of crossbeam is provided with spacing bearing, central sill deformed steel bottom is provided with crossbeam and runs through the bracket passing through, between bracket and crossbeam, between crossbeam and central sill deformed steel, be respectively equipped with compressing support, bearing.
Its additional technical feature is: described leaf spring is connected with central sill deformed steel with side bar deformed steel by the first fastening bolt, between side bar deformed steel and central sill deformed steel and the leaf spring arranging between adjacent two central sill deformed steels be the special-shaped leaf spring that arranges or be integrated in pairs, leaf spring cross section is rectangle, trapezoidal or other polygon, and leaf spring is organized setting along stretching device length direction more;
Described side bar comb plate, central sill comb plate arrange polylith respectively on side bar deformed steel, central sill deformed steel, side bar comb plate, central sill comb plate and side bar deformed steel, central sill deformed steel fix by the second fastening bolt, the profile of tooth of broach of side bar comb plate inner side and the profile of tooth of the broach of central sill comb plate both sides are waveform, trapezoidal, triangle or rectangle, the increment top of broach is provided with certain gradient, the mutual transpostion interval setting of adjacent fingers;
The second described fastening bolt is single or double, and when the second fastening bolt is single, the end face of side bar deformed steel, central sill deformed steel has the groove of the built-in locating piece matching with the second fastening bolt;
The cross section of described side bar deformed steel, central sill deformed steel is I-shaped;
The two ends of described water proof rubber bar are provided with grip block, grip block embeds in the draw-in groove at side bar deformed steel, central sill deformed steel top, the end face at water proof rubber bar middle part is that plane, bottom are sealing or nonocclusive die cavity, and die cavity cross section is elliptical aperture, circular apertures or polygonal hole;
Above described water proof rubber bar two ends, be provided with fixation steel plate, fixation steel plate fixes by the 3rd fastening bolt and side bar deformed steel, central sill deformed steel, and stainless steel slide plate is attached on fixation steel plate;
Described bearing, spacing bearing are comprised of rubber layer and steel plate, its inside is ball-type, compressing support is comprised of rubber layer and built-in plane steel plate, the contact surface of bearing, spacing bearing, compressing support and crossbeam is pasted with respectively slide plate layer, spacing bearing arranges in pairs, and bearing and compressing support arrange in pairs;
Described bracket is U-shaped, and bracket fixes by the 4th fastening bolt and central sill deformed steel, between bracket and central sill deformed steel, is provided with clamping pad.
A kind of modulus type comb plate stretching device provided by the present invention, for space, bridge beam end shrinkage joint.Between side bar deformed steel and central sill deformed steel and between adjacent two central sill deformed steels, be respectively arranged with water proof rubber bar and leaf spring, side bar deformed steel bottom is provided with the displacement controlling box with crossbeam, in displacement controlling box, the above and below of crossbeam is respectively equipped with compressing support, bearing, in displacement controlling box, the side of crossbeam is provided with spacing bearing, central sill deformed steel bottom is provided with crossbeam and runs through the bracket passing through, between bracket and crossbeam, be respectively equipped with compressing support, bearing between crossbeam and central sill deformed steel.Flexible by side bar deformed steel and central sill deformed steel on crossbeam between two displacement controlling boxes, meets the demand that bridge telescopic displacement changes.
Leaf spring is connected with central sill deformed steel with side bar deformed steel by the first fastening bolt, between side bar deformed steel and central sill deformed steel and the leaf spring arranging between adjacent two central sill deformed steels be the special-shaped leaf spring that arranges or be integrated in pairs, leaf spring is organized setting along stretching device length direction more.This structure design, leaf spring, in compression stretching process, without other drag effect, is convenient to that stretching device is stretched, in compression process, and each deformed steel gap is even, goes wrong and is convenient to change.As required, leaf spring cross section is rectangle, trapezoidal or other polygon.
Side bar comb plate, central sill comb plate arrange polylith respectively on side bar deformed steel, central sill deformed steel, side bar comb plate, central sill comb plate and side bar deformed steel, central sill deformed steel fix by the second fastening bolt, be convenient to like this remove and install, damaging appears in every group of comb plate, can dismantle separately, install, not affect the use operation of whole stretching device.The increment top of broach is provided with certain gradient, is convenient to the interior dust rubbish of Automatic clearance groove in modulus type comb plate stretching device telescopic process, realizes dust rubbish in stretching device use procedure middle slot and exempts from cleaning.The mutual transpostion interval setting of adjacent fingers, vehicle is steadily comfortable while passing through, and without jumping car phenomenon, occurs.According to different demands, the profile of tooth of broach of side bar comb plate inner side and the profile of tooth of the broach of central sill comb plate both sides are waveform, trapezoidal, triangle or rectangle.
For preventing that side bar comb plate in stretching device use procedure, central sill comb plate from becoming flexible and perk, the second fastening bolt is single or double.The second fastening bolt is single while arranging, side bar comb plate, central sill comb plate below, the end face of side bar deformed steel, central sill deformed steel has the groove of the built-in locating piece matching with the second fastening bolt, locating piece is cylinder, cone or other polygonal body, and the second fastening bolt is fixed together with side bar deformed steel, central sill deformed steel respectively by locating piece.The second fastening bolt is double while arranging, groove need not built-in locating piece, make full use of 3 geometrical principles of determining planes, realize side bar comb plate, central sill comb plate stability is fastening, side bar comb plate, central sill comb plate are connected more firm with side bar deformed steel, central sill deformed steel.Side bar comb plate, central sill comb plate are designed to bolt and fix, and are convenient to maintenance, change.
The cross section of side bar deformed steel, central sill deformed steel is I-shaped, has both guaranteed the performance requirement of required engineering structures, again more easy to process than king font, save raw material, be convenient to leaf spring and install.
The two ends of water proof rubber bar are provided with grip block, and grip block vertically embeds in the draw-in groove at side bar deformed steel, central sill deformed steel top, firmly convenient, are convenient to install.The end face at water proof rubber bar middle part is that plane, bottom are sealing or nonocclusive die cavity, die cavity cross section is elliptical aperture, circular apertures or polygonal hole, adopt elliptical aperture die cavity, water proof rubber bar die cavity is stressed strong, stretching device is in stretching operation process, water proof rubber bar upper surface is closely connected with comb plate bottom surface all the time, prevents ponding, laying dust above broach board slot place water proof rubber bar.
Above water proof rubber bar two ends, be provided with fixation steel plate, fixation steel plate fixes by the 3rd fastening bolt and side bar deformed steel, central sill deformed steel, and stainless steel slide plate is attached on fixation steel plate.Stainless steel slide plate reduces the displacement friction factor of side bar comb plate, central sill comb plate, and fixation steel plate is pressed on water proof rubber bar on side bar deformed steel, central sill deformed steel, and water proof rubber bar chucking power strengthens, difficult drop-off.
Bearing, spacing bearing are comprised of rubber layer and steel plate, its inside is ball-type, compressing support is comprised of rubber layer and built-in plane steel plate, the contact surface of bearing, spacing bearing, compressing support and crossbeam is pasted with respectively slide plate layer, bearing and compressing support arrange in pairs, utilize the feature of rubber damping and the comprehensive free rotary of spheroid, while realizing braking impact, there is certain buffer shock-absorbing effect, meet stretching device multi-directional deflection and torsional deflection function needs.Spacing bearing is that ball convex surface arranges relatively in pairs, realizes stretching device along crossbeam axial direction free-extension, to meet stretching device displacement request.When stretching device has multi-faceted dislocation demand, the spacing bearing that crossbeam arranges relatively in pairs by ball convex surface meets functional requirement.
Bracket is U-shaped, and bracket fixes by the 4th fastening bolt and central sill deformed steel, between bracket and central sill deformed steel, is provided with clamping pad.Clamping pad material is rubber, polyurethane elastomeric material.Because vehicle is braked impact frequently, bracket and central sill may become flexible, and cause generation between bearing, crossbeam and the compressing support in bracket relatively clash into and cause stretching device to damage.Clamping pad has played and has loosened adjusting fastening effect, guarantees stretching device security of operation.
Accompanying drawing explanation
Fig. 1 is the cross-sectional configuration schematic diagram of the first structure of a kind of modulus type comb plate of the present invention stretching device;
Fig. 2 is a kind of horizontal plane mounting structure schematic diagram of the first structure of modulus type comb plate stretching device;
Fig. 3 is the structural representation of bracket;
Fig. 4 is the first structural representation of leaf spring;
Fig. 5 is the second structural representation of leaf spring;
Fig. 6 is the structural representation of spacing bearing;
Fig. 7 is the structural representation of bearing;
The first structural representation of Fig. 8 when to be that the second fastening bolt is single arrange;
The second structural representation of Fig. 9 when to be that the second fastening bolt is single arrange;
Figure 10 is a kind of cross-sectional configuration schematic diagram of the second structure of modulus type comb plate stretching device;
Figure 11 is a kind of horizontal plane mounting structure schematic diagram of the second structure of modulus type comb plate stretching device;
The structural representation of Figure 12 when to be that the second fastening bolt is double arrange.
The specific embodiment
Below in conjunction with accompanying drawing, the structure of a kind of modulus type comb plate stretching device provided by the present invention is described further.
As shown in Figure 1, a kind of modulus type comb plate of the present invention stretching device comprises paired side bar deformed steel 1 and at least one the central sill deformed steel 2 being arranged between bridge end shrinkage joint, side bar deformed steel 1, the cross section of central sill deformed steel 2 is I-shaped, between side bar deformed steel 1 and central sill deformed steel 2 and between adjacent two central sill deformed steels 2, be respectively arranged with water proof rubber bar 3, leaf spring 4, side bar deformed steel 1, central sill deformed steel 2 is respectively arranged with side bar comb plate 5 above, central sill comb plate 6, side bar comb plate 5, central sill comb plate 6 and side bar deformed steel 1, central sill deformed steel 2 fixes by the second fastening bolt 7, side bar deformed steel 1 bottom is provided with the displacement controlling box 9 with crossbeam 8, the interior crossbeam 8 of displacement controlling box 9 upper, be respectively equipped with compressing support 10 below, bearing 11, central sill deformed steel 2 bottoms are provided with crossbeam 8 and run through the bracket 12 passing through, 8, bracket 12 and crossbeam, 2 of crossbeam 8 and central sill deformed steels are respectively equipped with compressing support 10, bearing 11.
As shown in Figure 2, between side bar deformed steel 1 and central sill deformed steel 2 and between adjacent two central sill deformed steels 2, be respectively arranged with leaf spring 4, side bar deformed steel 1, central sill deformed steel 2 is respectively arranged with side bar comb plate 5 above, central sill comb plate 6, side bar comb plate 5, central sill comb plate 6 is respectively at side bar deformed steel 1, on central sill deformed steel 2, polylith is set, side bar comb plate 5, central sill comb plate 6 and side bar deformed steel 1, central sill deformed steel 2 fixes by the second fastening bolt 7, the profile of tooth of the broach of the profile of tooth of the broach of side bar comb plate 5 inner sides and central sill comb plate 6 both sides is waveform, can certainly be for trapezoidal, triangle or rectangle, the increment top of broach is provided with certain gradient, the mutual transpostion interval setting of adjacent fingers, the side of the interior crossbeam 8 of displacement controlling box 9 is provided with spacing bearing 13.
As shown in Figure 3, central sill deformed steel 2 bottoms are provided with crossbeam 8 and run through the bracket 12 passing through, 8, bracket 12 and crossbeam, crossbeam 8 and 2 of central sill deformed steels are respectively equipped with compressing support 10, bearing 11, bracket 12 is U-shaped, bracket 12 fixes with central sill deformed steel 2 by the 4th fastening bolt 14,2 of bracket 12 and central sill deformed steels are provided with clamping pad 15, and the end face of crossbeam 8 and bottom surface arrange respectively corrosion resistant plate 16.
As shown in Figure 4, between side bar deformed steel 1 and central sill deformed steel 2 and between adjacent two central sill deformed steels 2, be respectively arranged with leaf spring 4, leaf spring 4 is connected with central sill deformed steel 2 with side bar deformed steel 1 by the first fastening bolt 17, the special-shaped leaf spring of the leaf spring 4 arranging between side bar deformed steel 1 and central sill deformed steel 2 and between adjacent two central sill deformed steels 2 for arranging or be integrated in pairs, leaf spring 4 cross section polygons, leaf spring 4 is organized setting along stretching device length direction more.
As shown in Figure 5, the special-shaped leaf spring that leaf spring 4 is integrated.
As shown in Figure 6, the side of the interior crossbeam 8 of displacement controlling box 9 is provided with spacing bearing 13, and spacing bearing 13 is comprised of rubber layer 19 and steel plate 18, and its inside is ball-type, and spacing bearing 13 is provided with slide plate layer 20 with the contact surface of crossbeam 8.
As shown in Figure 7, bearing 11 is comprised of rubber layer 19 and steel plate 18, and its inside is ball-type, and bearing 11 is provided with slide plate layer 20 with the contact surface of crossbeam.
As shown in Figure 8, side bar comb plate 5, central sill comb plate 6 is arranged with stainless steel slide plate 21, the two ends of water proof rubber bar 3 are provided with grip block 22, grip block 22 embeds side bar deformed steel 1, in the draw-in groove 23 at central sill deformed steel 2 tops, the end face at water proof rubber bar 3 middle parts is plane, bottom is the die cavity 24 of sealing, die cavity 24 cross sections are elliptical aperture, above water proof rubber bar 3 two ends, be provided with fixation steel plate 25, fixation steel plate 25 is by the 3rd fastening bolt 26 and side bar deformed steel 1, central sill deformed steel 2 fixes, stainless steel slide plate 21 is attached on fixation steel plate 25, the second fastening bolt 7 is single, side bar deformed steel 1, the end face of central sill deformed steel 2 has the groove 28 of the built-in locating piece 27 matching with the second fastening bolt 7.
As shown in Figure 9, the end face at water proof rubber bar 3 middle parts is that plane, bottom are nonocclusive die cavity 24, and die cavity 24 cross sections are elliptical aperture.
As shown in figure 10, a kind of modulus type comb plate of the present invention stretching device comprises paired side bar deformed steel 1 and at least one the central sill deformed steel 2 being arranged between bridge end shrinkage joint, side bar deformed steel 1, the cross section of central sill deformed steel 2 is I-shaped, between side bar deformed steel 1 and central sill deformed steel 2 and between adjacent two central sill deformed steels 2, is respectively arranged with water proof rubber bar 3, leaf spring 4, side bar deformed steel 1, central sill deformed steel 2 is respectively arranged with side bar comb plate 5 above, central sill comb plate 6, side bar comb plate 5, central sill comb plate 6 and side bar deformed steel 1, central sill deformed steel 2 fixes by the second fastening bolt 7, the double setting of the second fastening bolt 7, and side bar deformed steel 2 bottoms are provided with the displacement controlling box 9 with crossbeam 8, the interior crossbeam 8 of displacement controlling box 9 upper, be respectively equipped with compressing support 10 below, bearing 11, central sill deformed steel 2 bottoms are provided with crossbeam 8 and run through the bracket 12 passing through, 8, bracket 12 and crossbeam, 2 of crossbeam 8 and central sill deformed steels are respectively equipped with compressing support 10, bearing 11.
As shown in figure 11, between side bar deformed steel 1 and central sill deformed steel 2 and between adjacent two central sill deformed steels 2, be respectively arranged with leaf spring 4, side bar deformed steel 1, central sill deformed steel 2 is respectively arranged with side bar comb plate 5 above, central sill comb plate 6, side bar comb plate 5, central sill comb plate 6 is respectively at side bar deformed steel 1, on central sill deformed steel 2, polylith is set, side bar comb plate 5, central sill comb plate 6 and side bar deformed steel 1, central sill deformed steel 2 fixes by the second fastening bolt 7, the double setting of the second fastening bolt 7, the profile of tooth of the broach of the profile of tooth of the broach of side bar comb plate 5 inner sides and central sill comb plate 6 both sides is waveform, can certainly be for trapezoidal, triangle or rectangle, the increment top of broach is provided with certain gradient, the mutual transpostion interval setting of adjacent fingers, the side of the interior crossbeam 8 of displacement controlling box 9 is provided with spacing bearing 13.
As shown in figure 12, the double setting of the second fastening bolt 7.
A kind of modulus type comb plate stretching device provided by the present invention, for space, bridge beam end shrinkage joint.Between side bar deformed steel 1 and central sill deformed steel 2 and between adjacent two central sill deformed steels 2, be respectively arranged with water proof rubber bar 3 and leaf spring 4, side bar deformed steel 2 bottoms are provided with the displacement controlling box 9 with crossbeam 8, the above and below of the interior crossbeam 8 of displacement controlling box 9 is respectively equipped with compressing support 10, bearing 11, the side of the interior crossbeam 8 of displacement controlling box 9 is provided with spacing bearing 13, central sill deformed steel 2 bottoms are provided with crossbeam 8 and run through the bracket 12 passing through, and 8, bracket 12 and crossbeam, crossbeam 8 and 2 of central sill deformed steels are respectively equipped with compressing support 10, bearing 11.Flexible by side bar deformed steel 1 and central sill deformed steel 2 on crossbeam 8 between two displacement controlling boxes 9, meets the demand that bridge telescopic displacement changes.
Side bar comb plate 5, central sill comb plate 6 arrange polylith respectively on side bar deformed steel 1, central sill deformed steel 2, side bar comb plate 5, central sill comb plate 6 fix by the second fastening bolt 7 with side bar deformed steel 1, central sill deformed steel 2, be convenient to like this remove and install, damaging appears in every group of comb plate, can dismantle separately, install, not affect the use operation of whole stretching device.The increment top of broach is provided with certain gradient, is convenient to the interior dust rubbish of Automatic clearance groove in modulus type comb plate stretching device telescopic process, realizes dust rubbish in stretching device use procedure middle slot and exempts from cleaning.The mutual transpostion interval setting of adjacent fingers, vehicle is steadily comfortable while passing through, and without jumping car phenomenon, occurs.According to different demands, the profile of tooth of the broach of the profile of tooth of the broach of side bar comb plate 5 inner sides and central sill comb plate 6 both sides is waveform, trapezoidal, triangle or rectangle.
For preventing that side bar comb plate 5 in stretching device use procedure, central sill comb plate 6 from becoming flexible and perk, the second fastening bolt 7 is single or double.Second fastening bolt 7 is single while arranging, side bar comb plate 5, central sill comb plate 6 belows, the end face of side bar deformed steel 1, central sill deformed steel 2 has the groove 28 of the built-in locating piece 27 matching with the second fastening bolt 7, locating piece 27 is cylinder, cone or other polygonal body, and the second fastening bolt 7 is fixed together with side bar deformed steel 1, central sill deformed steel 2 respectively by locating piece 27.Second fastening bolt 7 is double while arranging, groove 28 need not built-in locating piece, make full use of 3 geometrical principles of determining a plane, realize side bar comb plate 5, central sill comb plate 6 stability are fastening, side bar comb plate 5, central sill comb plate 6 are connected more firm with side bar deformed steel 1, central sill deformed steel 2.Side bar comb plate 5, central sill comb plate 6 are designed to bolt and fix, and are convenient to maintenance, change.
The cross section of side bar deformed steel 1, central sill deformed steel 2 is I-shaped, has both guaranteed the performance requirement of required engineering structures, again more easy to process than king font, save raw material, be convenient to leaf spring 4 and install.
The two ends of water proof rubber bar 3 are provided with grip block 22, in the draw-in groove 23 at the vertical embedding side bar of grip block 22 deformed steel 1, central sill deformed steel 2 tops, firmly convenient, are convenient to install.The end face at water proof rubber bar 3 middle parts is that plane, bottom are sealing or nonocclusive die cavity 24, die cavity 24 cross sections are elliptical aperture, circular apertures or polygonal hole, adopt elliptical aperture die cavity 24, water proof rubber bar die cavity is stressed strong, stretching device is in stretching operation process, water proof rubber bar upper surface is closely connected with comb plate bottom surface all the time, prevents ponding, laying dust above broach board slot place water proof rubber bar.
Above water proof rubber bar 3 two ends, be provided with fixation steel plate 25, fixation steel plate 25 fixes with side bar deformed steel 1, central sill deformed steel 2 by the 3rd fastening bolt 26, and stainless steel slide plate 21 is attached on fixation steel plate 25.Stainless steel slide plate 21 reduces the displacement friction factor of side bar comb plate 5, central sill comb plate 6, and fixation steel plate 25 is pressed on water proof rubber bar 3 on side bar deformed steel 1, central sill deformed steel 2, and water proof rubber bar 3 chucking powers strengthen, difficult drop-off.
Bearing 11, spacing bearing 13 are comprised of rubber layer 19 and steel plate 18, its inside is ball-type, compressing support 10 is comprised of rubber layer and built-in plane steel plate, bearing 11, spacing bearing 13, compressing support 10 are pasted with respectively slide plate layer 20 with the contact surface of crossbeam 8, bearing 11 arranges in pairs with compressing support 10, utilize the feature of rubber damping and the comprehensive free rotary of spheroid, while realizing braking impact, there is certain buffer shock-absorbing effect, meet stretching device multi-directional deflection and torsional deflection function needs.The corrosion resistant plate 16 that slide plate layer 20 and crossbeam 8 upper surfaces of bearing 11 stick forms friction pair, the corrosion resistant plate 16 that slide plate layer 20 and crossbeam 8 soffits that corresponding compressing support 10 sticks stick forms friction pair, friction factor is little, stretching device in running, freely slippage on crossbeam 8.Spacing bearing 13 is that ball convex surface arranges relatively in pairs, realizes stretching device along crossbeam 8 axial direction free-extensions, to meet stretching device displacement request.When stretching device has multi-faceted dislocation demand, the spacing bearing that crossbeam 8 arranges relatively in pairs by ball convex surface meets functional requirement.
A kind of modulus type comb plate stretching device provided by the present invention is not limited only to said structure, but no matter be which kind of form, as long as structure is identical with the present invention, all falls into protection domain of the present invention.
Claims (9)
1. a modulus type comb plate stretching device, comprise paired side bar deformed steel and at least one central sill deformed steel of being arranged between bridge end shrinkage joint, between side bar deformed steel and central sill deformed steel and between adjacent two central sill deformed steels, be respectively arranged with water proof rubber bar, side bar deformed steel, above central sill deformed steel, be respectively arranged with side bar comb plate, central sill comb plate, side bar comb plate, central sill comb plate is arranged with stainless steel slide plate, it is characterized in that: between described side bar deformed steel and central sill deformed steel and between adjacent two central sill deformed steels, be respectively arranged with leaf spring, side bar deformed steel bottom is provided with the displacement controlling box with crossbeam, in displacement controlling box, crossbeam is upper, be respectively equipped with compressing support below, bearing, in displacement controlling box, the side of crossbeam is provided with spacing bearing, central sill deformed steel bottom is provided with crossbeam and runs through the bracket passing through, between bracket and crossbeam, between crossbeam and central sill deformed steel, be respectively equipped with compressing support, bearing.
2. a kind of modulus type comb plate stretching device according to claim 1, it is characterized in that: described leaf spring is connected with central sill deformed steel with side bar deformed steel by the first fastening bolt, between side bar deformed steel and central sill deformed steel and the leaf spring arranging between adjacent two central sill deformed steels be the special-shaped leaf spring that arranges or be integrated in pairs, leaf spring cross section is rectangle, trapezoidal or other polygon, and leaf spring is organized setting along stretching device length direction more.
3. a kind of modulus type comb plate stretching device according to claim 1, it is characterized in that: described side bar comb plate, central sill comb plate be polylith setting on side bar deformed steel, central sill deformed steel respectively, side bar comb plate, central sill comb plate and side bar deformed steel, central sill deformed steel fix by the second fastening bolt, the profile of tooth of broach of side bar comb plate inner side and the profile of tooth of the broach of central sill comb plate both sides are waveform, trapezoidal, triangle or rectangle, the increment top of broach is provided with certain gradient, the mutual transpostion interval setting of adjacent fingers.
4. a kind of modulus type comb plate stretching device according to claim 3, it is characterized in that: the second described fastening bolt is single or double, when the second fastening bolt is single, the end face of side bar deformed steel, central sill deformed steel has the groove of the built-in locating piece matching with the second fastening bolt.
5. a kind of modulus type comb plate stretching device according to claim 1, is characterized in that: the cross section of described side bar deformed steel, central sill deformed steel is I-shaped.
6. a kind of modulus type comb plate stretching device according to claim 1, it is characterized in that: the two ends of described water proof rubber bar are provided with grip block, grip block embeds in the draw-in groove at side bar deformed steel, central sill deformed steel top, the end face at water proof rubber bar middle part is that plane, bottom are sealing or nonocclusive die cavity, and die cavity cross section is elliptical aperture, circular apertures or polygonal hole.
7. according to a kind of modulus type comb plate stretching device described in claim 1 or 6, it is characterized in that: above described water proof rubber bar two ends, be provided with fixation steel plate, fixation steel plate fixes by the 3rd fastening bolt and side bar deformed steel, central sill deformed steel, and stainless steel slide plate is attached on fixation steel plate.
8. a kind of modulus type comb plate stretching device according to claim 1, it is characterized in that: described bearing, spacing bearing are comprised of rubber layer and steel plate, its inside is ball-type, compressing support is comprised of rubber layer and built-in plane steel plate, the contact surface of bearing, spacing bearing, compressing support and crossbeam is pasted with respectively slide plate layer, spacing bearing arranges in pairs, and bearing and compressing support arrange in pairs.
9. a kind of modulus type comb plate stretching device according to claim 1, is characterized in that: described bracket is U-shaped, and bracket fixes by the 4th fastening bolt and central sill deformed steel, between bracket and central sill deformed steel, is provided with clamping pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310747397.6A CN103669203B (en) | 2013-12-31 | 2013-12-31 | A kind of modulus type comb plate stretching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310747397.6A CN103669203B (en) | 2013-12-31 | 2013-12-31 | A kind of modulus type comb plate stretching device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103669203A true CN103669203A (en) | 2014-03-26 |
| CN103669203B CN103669203B (en) | 2016-02-24 |
Family
ID=50307918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310747397.6A Active CN103669203B (en) | 2013-12-31 | 2013-12-31 | A kind of modulus type comb plate stretching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103669203B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104005335A (en) * | 2014-06-16 | 2014-08-27 | 衡水宝力工程橡胶有限公司 | Six-freedom-degree modular pattern telescopic device and manufacturing technology thereof |
| CN105113391A (en) * | 2015-09-22 | 2015-12-02 | 西安中交土木科技有限公司 | Replaceable modularized comb-like seismic mitigation and isolation bearing and preparation method thereof |
| CN107130515A (en) * | 2017-07-11 | 2017-09-05 | 衡水双盛工程橡胶有限公司 | A kind of board-like bridge extension joint of Long span shock resistance multi-directional deflection comb shape |
| CN107217590A (en) * | 2017-06-14 | 2017-09-29 | 武汉海润工程设备有限公司 | A kind of bridge extension joint with volute spring displacement control system |
| CN112227192A (en) * | 2020-10-27 | 2021-01-15 | 成都市长大路桥科技有限公司 | Multi-slit comb tooth type telescopic structure |
| CN113235415A (en) * | 2021-04-27 | 2021-08-10 | 衡橡科技股份有限公司 | Bridge floor connecting device |
| CN113373802A (en) * | 2021-06-15 | 2021-09-10 | 武汉东九永环工程技术有限公司 | Shock attenuation expansion joint based on wire rope attenuator |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19725116C2 (en) * | 1997-06-13 | 2003-04-30 | Maurer Friedrich Soehne | Silencer and bypass device |
| CN201730050U (en) * | 2010-02-11 | 2011-02-02 | 柳州东方工程橡胶制品有限公司 | Bridge noise reducing expansion device |
| CN202430628U (en) * | 2011-12-16 | 2012-09-12 | 成都市新筑路桥机械股份有限公司 | Ultra-large displacement bridge telescopic device |
| CN202466400U (en) * | 2012-03-14 | 2012-10-03 | 衡水中铁建布朗科技有限公司 | Modulus-type profile steel telescoping device |
| CN103452041A (en) * | 2013-10-09 | 2013-12-18 | 湖南广和桥梁构件有限公司 | Large-displacement-amount modular pattern bridge expansion device of safe deposit box system |
| CN203361013U (en) * | 2013-07-26 | 2013-12-25 | 衡水众鑫工程橡塑有限公司 | Shock-absorbing-type rubber expansion device |
| CN203625771U (en) * | 2013-12-31 | 2014-06-04 | 衡水宝力工程橡胶有限公司 | Modular comb plate expansion device |
-
2013
- 2013-12-31 CN CN201310747397.6A patent/CN103669203B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19725116C2 (en) * | 1997-06-13 | 2003-04-30 | Maurer Friedrich Soehne | Silencer and bypass device |
| CN201730050U (en) * | 2010-02-11 | 2011-02-02 | 柳州东方工程橡胶制品有限公司 | Bridge noise reducing expansion device |
| CN202430628U (en) * | 2011-12-16 | 2012-09-12 | 成都市新筑路桥机械股份有限公司 | Ultra-large displacement bridge telescopic device |
| CN202466400U (en) * | 2012-03-14 | 2012-10-03 | 衡水中铁建布朗科技有限公司 | Modulus-type profile steel telescoping device |
| CN203361013U (en) * | 2013-07-26 | 2013-12-25 | 衡水众鑫工程橡塑有限公司 | Shock-absorbing-type rubber expansion device |
| CN103452041A (en) * | 2013-10-09 | 2013-12-18 | 湖南广和桥梁构件有限公司 | Large-displacement-amount modular pattern bridge expansion device of safe deposit box system |
| CN203625771U (en) * | 2013-12-31 | 2014-06-04 | 衡水宝力工程橡胶有限公司 | Modular comb plate expansion device |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104005335A (en) * | 2014-06-16 | 2014-08-27 | 衡水宝力工程橡胶有限公司 | Six-freedom-degree modular pattern telescopic device and manufacturing technology thereof |
| CN104005335B (en) * | 2014-06-16 | 2015-11-11 | 衡水宝力工程橡胶有限公司 | A kind of six degree of freedom modular expansion device and preparation technology thereof |
| CN105113391A (en) * | 2015-09-22 | 2015-12-02 | 西安中交土木科技有限公司 | Replaceable modularized comb-like seismic mitigation and isolation bearing and preparation method thereof |
| CN107217590A (en) * | 2017-06-14 | 2017-09-29 | 武汉海润工程设备有限公司 | A kind of bridge extension joint with volute spring displacement control system |
| CN107130515A (en) * | 2017-07-11 | 2017-09-05 | 衡水双盛工程橡胶有限公司 | A kind of board-like bridge extension joint of Long span shock resistance multi-directional deflection comb shape |
| CN112227192A (en) * | 2020-10-27 | 2021-01-15 | 成都市长大路桥科技有限公司 | Multi-slit comb tooth type telescopic structure |
| CN113235415A (en) * | 2021-04-27 | 2021-08-10 | 衡橡科技股份有限公司 | Bridge floor connecting device |
| CN113373802A (en) * | 2021-06-15 | 2021-09-10 | 武汉东九永环工程技术有限公司 | Shock attenuation expansion joint based on wire rope attenuator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103669203B (en) | 2016-02-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103669203A (en) | Modular-pattern comb plate stretching and contracting device | |
| CN203625771U (en) | Modular comb plate expansion device | |
| CN101824922B (en) | Self reset curvature-prevention support component | |
| BR112015016724B1 (en) | COMPOSITE RAIL SLEEPER AND RAILWAY COMPRISING COMPOSITE RAIL SLEEPER | |
| BR112014010111A2 (en) | elastic rail fastening device | |
| CN102953329A (en) | Bridge viscous damping shock-absorption supporting seat | |
| CN204491411U (en) | A kind of modular multi-directional deflection comb-formed retractable device | |
| KR20110019587A (en) | Damper separting type seismic isolation device lead | |
| CN103966943A (en) | Structural system for controlling transverse response of cable-stayed bridge main beam, auxiliary pier and transition pier | |
| CN106120549A (en) | A kind of big displacement quantity equal distance deflection bridge extension joint | |
| BR112012027540B1 (en) | DEVICE OF INCLINED DAMPING PLAN FOR RAILWAY LOAD WAGON | |
| CN103352423B (en) | A kind of bridge expansion joint installation of antiseismic displacement | |
| CN204605831U (en) | A kind of railway goods train bogie and side frame and crossbar connecting device | |
| KR100673792B1 (en) | Earthquake proof expansion joint | |
| CN203238529U (en) | Structural system used for controlling transverse response of girder, auxiliary pier and transitional pier of cable-stayed bridge | |
| CN103741560B (en) | A kind of shear hinge and track structure | |
| CN202954291U (en) | Bridge viscous damping vibration reducing bearing | |
| CN101718077B (en) | Bridge girder anti-seismic bearing | |
| CN104099862A (en) | Elastic multi-displacement comb tooth bridge expanding and contracting device | |
| CN103306197B (en) | Unitary bending-deformation-resistant multidirectional-displacement comb tooth type bridge expansion device | |
| CN205347892U (en) | Prevent toppling whole backing plate and use its way turnout switch | |
| CN202100211U (en) | Polished rod shock absorber | |
| CN204000598U (en) | The changeable position of elasticity broach bridge extension joint | |
| CN205188729U (en) | But quick detachable double -deck damping fastener system of roll adjustment | |
| CN211007762U (en) | Steel structure engineering support |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: The 053000 Northern Industrial Base Development Zone of Hengshui City, Hebei Province Rubber Road No. 13 Patentee after: Hebei Baoli engineering equipment Limited by Share Ltd Address before: 053000 Heping West Road, Hebei, Hengshui, No. 396 Patentee before: Hengshui Baoli Engineering Rubber Co., Ltd. |