CN202359497U - Multi-direction deflection analog-digital type stretching device - Google Patents
Multi-direction deflection analog-digital type stretching device Download PDFInfo
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- CN202359497U CN202359497U CN2012201563842U CN201220156384U CN202359497U CN 202359497 U CN202359497 U CN 202359497U CN 2012201563842 U CN2012201563842 U CN 2012201563842U CN 201220156384 U CN201220156384 U CN 201220156384U CN 202359497 U CN202359497 U CN 202359497U
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Abstract
The utility model belongs to the technical of stretching devices for bridges, and discloses a multi-direction deflection analog-digital type stretching device. The key technical characteristic is that the multi-direction deflection analog-digital type stretching device comprises cross beam control boxes, two pieces of edge beam profile steel, two pieces of middle beam profile steel, a supporting cross beam, chain control boxes and a tension chain, wherein bearing supports are arranged in the cross beam control boxes below the supporting cross beam; pressing supports are arranged in the cross beam control boxes above the supporting cross beam; the tension chain is connected with the chain control boxes through a chain direction adjusting mechanism; the bearing supports comprise lower support bodies and upper support bodies, the cross beam control boxes are connected below the lower support bodies, and the upper support bodies of which the upper surfaces are provided with U-shaped clamping slots are arranged above the lower support bodies; the lower end faces of the upper support bodies are convex spherical surfaces; the upper end faces of the lower support bodies are concave spherical surfaces matched with the lower end faces of the upper support bodies; therefore, the upper support bodies and the lower support bodies relatively rotate in the horizontal direction to meet the requirement of transverse deflection capacity; the supporting cross beam slides among the U-shaped clamping slots to meet the requirement of longitudinal deflection capacity; and moreover, the upper support bodies and the lower support bodies can relatively rotate in any direction to meet the requirements of the deflection capacity in all directions.
Description
Technical field
The utility model belongs to the bridge extension joint technical field, relates in particular to a kind of multi-directional deflection modulus formula stretching device.
Background technology
In recent years; Increasing along with infrastructure investment; Highway engineering construction has obtained fast development, and a large amount of construction of speedway, urban interchange, viaduct, large-scale over strait, cross a river cable stayed bridge and suspension bridge are had higher requirement for existing stretching device; Existing stretching device generally be applicable to along bridge to the displacement demand, at transversion malposition, vertically misplace and stretching device covering of the fan deformed configurations that curved bridge occurs in can not meet the demands.As the flexible position of bridge critical component, the displacement demand when stretching device should adapt to the various structural change of bridge and the comfortableness that is open to traffic, favorable waterproof property, good requirements such as damping performance.
All there is tangible weak point in several kinds of present stretching device forms:
One of which is though common modulus formula stretching device can satisfy the suitable bridge that causes owing to variations in temperature to distortion, in the transversion malposition distortion of wind; The vertical deformation that beam head under the dynamic load effect produces; Curved bridge Yin Wendu stretches and the covering of the fan distortion of generation; Cable stayed bridge, suspension bridge exist obviously not enough because of the distortion aspect that meets that external factor produces.
Its two, though common comb plate stretching device can satisfied temperature changes distortion and the vertical deformation that causes, the discrepancy in elevation appears in the tooth that the vertical deformation meeting produces comb plate, causing is open to traffic jumps the car phenomenon.Transversion malposition in wind is out of shape in addition; Curved bridge Yin Wendu stretches and the covering of the fan distortion of generation; Cable stayed bridge, suspension bridge exist obviously not enough because of the distortion aspect that meets that external factor produces.
Its three, though multi-directional deflection comb cardboard stretching device has improved the deficiency of common comb plate stretching device, the discrepancy in elevation appears in the tooth that the vertical deformation meeting produces comb plate, causing is open to traffic jumps the car phenomenon and can not improve; Lateral deflection and covering of the fan structure satisfy poor ability, can only satisfy through the inter-lobe clearance of comb plate, the distortion adaptive capacity is very little.Especially on the bridge of complex deformations such as cable stayed bridge, suspension bridge, can not meet the demands.Face the same problem of common comb plate stretching device simultaneously, use bolt in a large number, bolt is loosening easily, causes vehicle vibration limits stretching device and concrete structure.The concrete planeness and the compactness of this stretching device installation requirement are very high simultaneously, and installation difficulty is bigger.
The utility model content
The technical problem of the solution of the utility model just provides a kind ofly not only to be had horizontal and vertical displacement capabilities but also has the multi-directional deflection modulus formula stretching device of ability of vertical deflection.
For solving the problems of the technologies described above; The technical scheme that the utility model multi-directional deflection modulus formula stretching device adopts is: comprise crossbeam control cabinet, side bar shaped steel, central sill shaped steel, supporting traverse, chain control cabinet, tension chain; Be provided with the pressure-bearing bearing in the crossbeam control cabinet below said supporting traverse, be provided with in the crossbeam control cabinet above said supporting traverse and compress bearing; Said tension chain is connected with said chain control cabinet through the chain direction adjustment organization; Said side bar shaped steel is fixed on the crossbeam control cabinet; The contact of said central sill shaped steel and said tension chain is fixed; This central sill shaped steel is connected with said supporting traverse through central sill bindiny mechanism; Said pressure-bearing bearing comprises the undersetting body that the below is connected with the crossbeam control cabinet; Above said undersetting body, be provided with the upper bracket body that upper surface has U type draw-in groove, the lower surface of said upper bracket body is protruding sphere, and the upper surface of said undersetting body is the concave spherical surface that matees with the lower surface of said upper bracket body.
Its additional technical feature is:
Below said undersetting body, be provided with erection column, on said crossbeam control cabinet, be provided with installing hole with said erection column correspondence position, described erection column inserts in the described installing hole;
Between said undersetting body upper surface and said upper bracket body lower surface, be provided with spherical crown shape first low-friction slide-plates with its end face coupling;
The said bearing that compresses comprises that top has the fixation steel plate of first turning cylinder; Below said fixation steel plate, be provided with high-damping rubber and prop up seat body; The supporting steel plate and second low-friction slide-plates, this high-damping rubber are set below propping up seat body; In the said first turning cylinder arranged outside ring-type the 3rd low-friction slide-plates is arranged, on the crossbeam control cabinet, be provided with first rotational axis hole with the said first turning cylinder correspondence position, described first turning cylinder inserts in described first rotational axis hole;
Described chain direction adjustment organization comprises fixed base frame that is connected with said chain control cabinet and the pendular body that is connected with the tension chain; The rear of said fixed base frame is fixedly connected with the chain control cabinet; The place ahead at this fixed base frame is provided with " U " type holding groove and is somebody's turn to do the first vertical through hole of " U " type holding groove; Said pendular body comprises holder junction plate and the chain connecting plate vertical with this holder junction plate; Said holder junction plate inserts in said " U " type holding groove; On said holder junction plate and the said first through hole correspondence position, have second through hole, in said first through hole and second through hole, insert connecting pin, on said chain connecting plate, have the chain connecting hole; The extended line of said holder junction plate thickness bisector is through the center of circle of said chain connecting hole, and the extended line of said chain connecting plate thickness bisector is through the center of circle of said second through hole;
Said central sill bindiny mechanism comprises the fixed connecting plate that connects said supporting traverse and central sill shaped steel; Be provided with press assembly above the said supporting traverse and between the central sill shaped steel, below said supporting traverse, be provided with and fixing the holding down assembly of said fixed connecting plate; Said press assembly is followed successively by from top to bottom: have the press assembly body that second turning cylinder and lower end have the 5th low-friction slide-plates with steel plate, ring-type the 4th low-friction slide-plates, the upper end of the fixing band third through-hole of said central sill shaped steel; Said holding down assembly is followed successively by from top to bottom: the upper end has the chassis that hold down assembly body and upper end that the 6th low-friction slide-plates and lower end have the 3rd turning cylinder have receiving hole, and said chassis is connected with said fixed connecting plate.
The multi-directional deflection modulus formula stretching device that the utility model provided compared with prior art has the following advantages: one of which; Owing to comprise crossbeam control cabinet, side bar shaped steel, central sill shaped steel, supporting traverse, chain control cabinet, tension chain; Be provided with the pressure-bearing bearing in the crossbeam control cabinet below said supporting traverse, be provided with in the crossbeam control cabinet above said supporting traverse and compress bearing; Said tension chain is connected with said chain control cabinet through the chain direction adjustment organization; Said side bar shaped steel is fixed on the crossbeam control cabinet; The contact of said central sill shaped steel and said tension chain is fixed; This central sill shaped steel is connected with said supporting traverse through central sill bindiny mechanism, and said pressure-bearing bearing comprises the undersetting body that the below is connected with the crossbeam control cabinet, above said undersetting body, is provided with the upper bracket body that upper surface has U type draw-in groove; The lower surface of said upper bracket body is protruding sphere; The upper surface of said undersetting body is the concave spherical surface that matees with the lower surface of said upper bracket body, like this, and through relatively rotating in the horizontal direction between upper bracket body and the undersetting body; To satisfy the lateral deflection ability; Slide between U type draw-in groove through supporting traverse and to satisfy vertical displacement capabilities, and relatively rotate on can also be in any direction between upper bracket body and the undersetting body, to satisfy the displacement capabilities in each orientation; Its two owing to below said undersetting body, be provided with erection column, on said crossbeam control cabinet, be provided with installing hole with said erection column correspondence position, described erection column inserts in the described installing hole, like this, installs and locatees convenient; They are three years old; Owing between said undersetting body upper surface and said upper bracket body lower surface, be provided with spherical crown shape first low-friction slide-plates with its end face coupling; When rotating between bearing body and the said upper bracket body instantly, improve anti-wear performance, reduced frictional resistance; They are four years old; Because the said bearing that compresses comprises that top has the fixation steel plate of first turning cylinder, below said fixation steel plate, is provided with high-damping rubber and props up seat body, and the supporting steel plate and second low-friction slide-plates are set below this high-damping rubber props up seat body; In the said first turning cylinder arranged outside ring-type the 3rd low-friction slide-plates is arranged; On the crossbeam control cabinet, be provided with first rotational axis hole with the said first turning cylinder correspondence position, described first turning cylinder inserts in described first rotational axis hole, when the displacement of supporting traverse generation cross-bridges direction; Compressing bearing can rotate along first turning cylinder, and displacement increases; When there was the vertical direction displacement difference in two crossbeam control cabinets, high-damping rubber propped up seat body and deforms, and made side bar shaped steel and central sill shaped steel upper surface integral body that the inclination of certain angle take place, and had avoided dislocation occurring, caused the generation of jumping phenomenons such as car; Its five since described chain direction adjustment organization comprise the fixed base frame that is connected with said chain control cabinet and with strain the pendular body that chain is connected, the rear of said fixed base frame is fixedly connected with the chain control cabinet; The place ahead at this fixed base frame is provided with " U " type holding groove and is somebody's turn to do the first vertical through hole of " U " type holding groove, and said pendular body comprises holder junction plate and the chain connecting plate vertical with this holder junction plate, and said holder junction plate inserts in said " U " type holding groove; On said holder junction plate and the said first through hole correspondence position, have second through hole; In said first through hole and second through hole, insert connecting pin, on said chain connecting plate, have the chain connecting hole, the extended line of said holder junction plate thickness bisector is through the center of circle of said chain connecting hole; The extended line of said chain connecting plate thickness bisector is through the center of circle of said second through hole; Can satisfy the chain horizontal direction and rotate, can satisfy the chain vertical direction again and rotate, and in rotation process; Active force is the center through connecting pin all the time; Pendular body is not easy distortion, long service life, and cost can reduce greatly; They are six years old; Because said central sill bindiny mechanism comprises the fixed connecting plate that connects said supporting traverse and central sill shaped steel; Be provided with press assembly above the said supporting traverse and between the central sill shaped steel, below said supporting traverse, be provided with and fixing the holding down assembly of said fixed connecting plate; Said press assembly is followed successively by from top to bottom: have the press assembly body that second turning cylinder and lower end have the 5th low-friction slide-plates with steel plate, ring-type the 4th low-friction slide-plates, the upper end of the fixing band third through-hole of said central sill shaped steel; Said holding down assembly is followed successively by from top to bottom: the upper end has the chassis that hold down assembly body and upper end that the 6th low-friction slide-plates and lower end have the 3rd turning cylinder have receiving hole, and said chassis is connected with said fixed connecting plate; Central sill shaped steel not only can slide along supporting traverse; And when the covering of the fan expansion takes place; Stretching device opens for one section, one section contraction, and supporting traverse only slides; Transmission does not take place, and central sill shaped steel satisfies the demand that covering of the fan launches through the press assembly between central sill shaped steel and the supporting traverse with holding down assembly to rotate.
Description of drawings
Fig. 1 is the structural representation of the utility model multi-directional deflection modulus formula stretching device;
Fig. 2 is A-A sectional drawing of Fig. 1;
Fig. 3 is the structural representation of pressure-bearing bearing;
Fig. 4 is the C-C sectional drawing of pressure-bearing bearing shown in Figure 3;
Fig. 5 is the structural representation that compresses bearing;
Fig. 6 is B-B sectional drawing of Fig. 1;
Fig. 7 is the structural representation of chain direction adjustment organization;
Fig. 8 is the vertical view of chain direction adjustment organization;
Fig. 9 is the structural representation of central sill bindiny mechanism;
Figure 10 is the external structure sketch map of central sill bindiny mechanism.
The specific embodiment
Explain further details below in conjunction with the structure and the use principle of accompanying drawing to the utility model multi-directional deflection modulus formula stretching device.
Like Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4; The utility model multi-directional deflection modulus formula stretching device comprises crossbeam control cabinet 1, side bar shaped steel 21, central sill shaped steel 22, supporting traverse 23, chain control cabinet 99, tension chain 24; Be provided with pressure-bearing bearing 5 in the crossbeam control cabinet 1 below supporting traverse 23, be provided with in the crossbeam control cabinet 1 above supporting traverse 23 and compress bearing 6; Tension chain 24 is connected with chain control cabinet 99 through chain direction adjustment organization 7; Side bar shaped steel 21 is fixed on the crossbeam control cabinet 1; Central sill shaped steel 22 is fixed with the contact of tension chain 24; This central sill shaped steel 22 is connected with supporting traverse 23 through central sill bindiny mechanism 8, and pressure-bearing bearing 5 comprises the undersetting body 51 that the below is connected with the crossbeam control cabinet, above undersetting body 51, is provided with the upper bracket body 53 that upper surface has U type draw-in groove 52; The lower surface of upper bracket body 53 is protruding sphere; The upper surface of undersetting body 51 is the concave spherical surface that matees with the lower surface of upper bracket body 53, like this, and through relatively rotating in the horizontal direction between upper bracket body 53 and the undersetting body 51; To satisfy the lateral deflection ability; Slide between U type draw-in groove 52 through supporting traverse 23 and to satisfy vertical displacement capabilities, and relatively rotate on can also be in any direction between upper bracket body 53 and the undersetting body 51, to satisfy the displacement capabilities in each orientation.
Below undersetting body 51, be provided with erection column 54, on crossbeam control cabinet 1, be provided with installing hole 11 with erection column 54 correspondence positions, erection column 54 inserts in the installing holes 11, like this, installs and locatees convenient.
Between the lower surface of undersetting body 51 upper surfaces and upper bracket body 53, be provided with the spherical crown shape that matees with the lower surface of upper bracket body 53 that is shaped as of first low-friction slide-plates, 55, the first low-friction slide-plates 55.When rotating between bearing body 51 and the upper bracket body 53 instantly, improve anti-wear performance, reduced frictional resistance.
As shown in Figure 5; Compress bearing 6 and comprise that top has the fixation steel plate 62 of first turning cylinder 61, below fixation steel plate 62, be provided with high-damping rubber and prop up seat body 63, the supporting steel plate 64 and second low-friction slide-plates 65 are set below this high-damping rubber props up seat body 63; Arranged outside at first turning cylinder 61 has ring-type the 3rd low-friction slide-plates 66; Be provided with in first rotational axis hole, 12, the first turning cylinders, 61 insertions, first rotational axis hole 12, when the displacements of cross-bridges direction take place supporting traverse 23 with first turning cylinder, 61 correspondence positions on the crossbeam control cabinet 1; Compressing bearing 6 can rotate along first turning cylinder 61, and displacement increases; When there was the vertical direction displacement difference in two crossbeam control cabinets, high-damping rubber propped up seat body 63 and deforms, and made side bar shaped steel 21 and central sill shaped steel 22 upper surfaces integral body that the inclination of certain angle take place, and had avoided dislocation occurring, caused the generation of jumping phenomenons such as car.
Like Fig. 1, Fig. 6, Fig. 7 and shown in Figure 8; Chain direction adjustment organization 7 comprises the fixed base frame 71 that is connected with chain control cabinet 99 and the pendular body 72 that is connected with tension chain 24, and the rear of fixed base frame 71 is fixedly connected with chain control cabinet 99, is provided with the first vertical through hole 74 of " U " type holding groove 73 and this " U " type holding groove 73 in the place ahead of this fixed base frame 71; Pendular body 72 comprises holder junction plate 75 and the chain connecting plate 76 vertical with this holder junction plate 75; Holder junction plate 75 inserts in " U " type holding groove 73, on holder junction plate 75 and first through hole, 74 correspondence positions, has second through hole 77, in first through hole 74 and second through hole 77, inserts connecting pin 78; On chain connecting plate 76, have chain connecting hole 79; The extended line of holder junction plate 75 thickness bisectors is through the center of circle of chain connecting hole 79, and the extended line of the thickness bisector of chain connecting plate 76 can satisfy tension chain horizontal direction and rotate through the center of circle of second through hole 77; Can satisfy tension chain vertical direction again rotates; And in rotation process, through the center of connecting pin 78, pendular body 72 is not easy distortion to active force all the time; Long service life, cost can reduce greatly.
Like Fig. 2, Fig. 9 and shown in Figure 10; Central sill bindiny mechanism 8 comprises the fixed connecting plate 81 that connects supporting traverse 23 and central sill shaped steel 22; Be provided with press assembly 3 above the supporting traverse 23 and between the central sill shaped steel 22, below supporting traverse 23, be provided with fixed connecting plate 81 fixing hold down assembly 4; Press assembly 3 is followed successively by from top to bottom: fixing and steel plate 31 that have third through-hole 32, ring-type the 4th low-friction slide-plates 33, upper end have the press assembly body 36 that second turning cylinder 34 and lower end have the 5th low-friction slide-plates 35 with central sill shaped steel 22; Hold down assembly and 4 be followed successively by from top to bottom: the upper end has the chassis 45 that hold down assembly body 43 and upper end that the 6th low-friction slide-plates 41 and lower end have the 3rd turning cylinder 42 have receiving hole 44, and chassis 45 is connected with fixed connecting plate 81.Central sill shaped steel 22 not only can slide along supporting traverse 23; And when the covering of the fan expansion takes place; Stretching device opens for one section, one section contraction, and 23 of supporting traverses slide; Transmission does not take place, and central sill shaped steel 22 4 rotates and satisfies the demand that covering of the fan launches with holding down assembly through the press assembly between central sill shaped steel 22 and the supporting traverse 23 3.
Claims (5)
1. multi-directional deflection modulus formula stretching device; Comprise crossbeam control cabinet, side bar shaped steel, central sill shaped steel, supporting traverse, chain control cabinet, tension chain; Be provided with the pressure-bearing bearing in the crossbeam control cabinet below said supporting traverse, be provided with in the crossbeam control cabinet above said supporting traverse and compress bearing; Said tension chain is connected with said chain control cabinet through the chain direction adjustment organization; Said side bar shaped steel is fixed on the crossbeam control cabinet; The contact of said central sill shaped steel and said tension chain is fixed; This central sill shaped steel is connected with said supporting traverse through central sill bindiny mechanism; Said pressure-bearing bearing comprises the undersetting body that the below is connected with the crossbeam control cabinet, above said undersetting body, is provided with the upper bracket body that upper surface has U type draw-in groove, and the lower surface of said upper bracket body is protruding sphere; The upper surface of said undersetting body is the concave spherical surface that matees with the lower surface of said upper bracket body; It is characterized in that: below said undersetting body, be provided with erection column, on said crossbeam control cabinet, be provided with installing hole with said erection column correspondence position, described erection column inserts in the described installing hole.
2. multi-directional deflection modulus formula stretching device according to claim 1 is characterized in that: between said undersetting body upper surface and said upper bracket body lower surface, be provided with spherical crown shape first low-friction slide-plates with its end face coupling.
3. multi-directional deflection modulus formula stretching device according to claim 1; It is characterized in that: the said bearing that compresses comprises that top has the fixation steel plate of first turning cylinder; Below said fixation steel plate, be provided with high-damping rubber and prop up seat body; The supporting steel plate and second low-friction slide-plates, this high-damping rubber are set below propping up seat body; In the said first turning cylinder arranged outside ring-type the 3rd low-friction slide-plates is arranged, on the crossbeam control cabinet, be provided with first rotational axis hole with the said first turning cylinder correspondence position, described first turning cylinder inserts in described first rotational axis hole.
4. multi-directional deflection modulus formula stretching device according to claim 1; It is characterized in that: described chain direction adjustment organization comprises fixed base frame that is connected with said chain control cabinet and the pendular body that is connected with the tension chain; The rear of said fixed base frame is fixedly connected with the chain control cabinet; The place ahead at this fixed base frame is provided with " U " type holding groove and is somebody's turn to do the first vertical through hole of " U " type holding groove; Said pendular body comprises holder junction plate and the chain connecting plate vertical with this holder junction plate, and said holder junction plate inserts in said " U " type holding groove, on said holder junction plate and the said first through hole correspondence position, has second through hole; In said first through hole and second through hole, insert connecting pin; On said chain connecting plate, have the chain connecting hole, the extended line of said holder junction plate thickness bisector is through the center of circle of said chain connecting hole, and the extended line of said chain connecting plate thickness bisector is through the center of circle of said second through hole.
5. multi-directional deflection modulus formula stretching device according to claim 1; It is characterized in that: said central sill bindiny mechanism comprises the fixed connecting plate that connects said supporting traverse and central sill shaped steel; Be provided with press assembly above the said supporting traverse and between the central sill shaped steel, below said supporting traverse, be provided with and fixing the holding down assembly of said fixed connecting plate; Said press assembly is followed successively by from top to bottom: have the press assembly body that second turning cylinder and lower end have the 5th low-friction slide-plates with steel plate, ring-type the 4th low-friction slide-plates, the upper end of the fixing band third through-hole of said central sill shaped steel; Said holding down assembly is followed successively by from top to bottom: the upper end has the chassis that hold down assembly body and upper end that the 6th low-friction slide-plates and lower end have the 3rd turning cylinder have receiving hole, and said chassis is connected with said fixed connecting plate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201563842U CN202359497U (en) | 2012-04-14 | 2012-04-14 | Multi-direction deflection analog-digital type stretching device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201563842U CN202359497U (en) | 2012-04-14 | 2012-04-14 | Multi-direction deflection analog-digital type stretching device |
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| CN202359497U true CN202359497U (en) | 2012-08-01 |
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| CN2012201563842U Expired - Lifetime CN202359497U (en) | 2012-04-14 | 2012-04-14 | Multi-direction deflection analog-digital type stretching device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103911947A (en) * | 2014-04-01 | 2014-07-09 | 秦皇岛路桥建设开发有限公司 | Bridge extending and contracting device |
| CN105934549A (en) * | 2013-11-28 | 2016-09-07 | 毛勒桑斯工程有限两合公司 | Bridging apparatus |
| CN106284063A (en) * | 2016-10-18 | 2017-01-04 | 单国珠 | Curvilinear mold numerical expression damping vibration attenuation multi-directional deflection retractor device and method |
| CN107326803A (en) * | 2017-08-10 | 2017-11-07 | 安徽省交通规划设计研究总院股份有限公司 | The scattered displacement expansion joint of tandem |
| CN108716184A (en) * | 2018-06-14 | 2018-10-30 | 曹志强 | Gear synchronous displacement modulus type expansion joint |
| CN109440637A (en) * | 2018-12-19 | 2019-03-08 | 衡水中铁建工程橡胶有限责任公司 | A kind of highway bridge antidetonation telescopic device |
| CN109736191A (en) * | 2019-03-21 | 2019-05-10 | 衡水双盛工程橡胶有限公司 | Unit assembled big displacement resisting deflection multi-directional deflection comb plate, comb joint bridge extension joint |
| CN110904830A (en) * | 2019-10-31 | 2020-03-24 | 单国珠 | Method for applying durable noise-reducing maintenance-free bridge expansion device |
-
2012
- 2012-04-14 CN CN2012201563842U patent/CN202359497U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105934549A (en) * | 2013-11-28 | 2016-09-07 | 毛勒桑斯工程有限两合公司 | Bridging apparatus |
| CN103911947A (en) * | 2014-04-01 | 2014-07-09 | 秦皇岛路桥建设开发有限公司 | Bridge extending and contracting device |
| CN103911947B (en) * | 2014-04-01 | 2016-08-17 | 秦皇岛路桥建设开发有限公司 | A kind of bridge extension joint |
| CN106284063A (en) * | 2016-10-18 | 2017-01-04 | 单国珠 | Curvilinear mold numerical expression damping vibration attenuation multi-directional deflection retractor device and method |
| CN107326803A (en) * | 2017-08-10 | 2017-11-07 | 安徽省交通规划设计研究总院股份有限公司 | The scattered displacement expansion joint of tandem |
| CN108716184A (en) * | 2018-06-14 | 2018-10-30 | 曹志强 | Gear synchronous displacement modulus type expansion joint |
| CN109440637A (en) * | 2018-12-19 | 2019-03-08 | 衡水中铁建工程橡胶有限责任公司 | A kind of highway bridge antidetonation telescopic device |
| CN109736191A (en) * | 2019-03-21 | 2019-05-10 | 衡水双盛工程橡胶有限公司 | Unit assembled big displacement resisting deflection multi-directional deflection comb plate, comb joint bridge extension joint |
| CN110904830A (en) * | 2019-10-31 | 2020-03-24 | 单国珠 | Method for applying durable noise-reducing maintenance-free bridge expansion device |
| CN110904830B (en) * | 2019-10-31 | 2021-06-18 | 单国珠 | Method for applying durable noise-reducing maintenance-free bridge expansion device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hengshui Guiping Engineering Plastic Co., Ltd. Assignor: Li Hongpo Contract record no.: 2014130000013 Denomination of utility model: Multi-direction deflection analog-digital type stretching device Granted publication date: 20120801 License type: Exclusive License Record date: 20140306 |
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| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120801 |