CN114892512B - Bridge expansion joint device - Google Patents
Bridge expansion joint device Download PDFInfo
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- CN114892512B CN114892512B CN202210712121.3A CN202210712121A CN114892512B CN 114892512 B CN114892512 B CN 114892512B CN 202210712121 A CN202210712121 A CN 202210712121A CN 114892512 B CN114892512 B CN 114892512B
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- inclined plates
- driving rod
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/06—Arrangement, construction or bridging of expansion joints
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Abstract
The invention discloses a bridge expansion joint device, which comprises fixed comb teeth, movable comb teeth and a bearing steel plate movably arranged at the bottom of the fixed comb teeth, wherein inclined fixed inclined plates are arranged at the positions, adjacent to the movable comb teeth, of the side edges of the fixed comb teeth, and deflection inclined plates are movably arranged at the positions, adjacent to the fixed comb teeth, of the side edges of the movable comb teeth.
Description
Technical Field
The invention relates to the technical field of bridge engineering, in particular to a bridge expansion joint device.
Background
Bridge expansion joint: it means that expansion joints are provided between two beam ends, between beam ends and bridge abutment or at the hinge position of bridge in order to meet the requirements of bridge deck deformation, and its purpose is to regulate the displacement and coupling between superstructure caused by vehicle load and bridge building material. The expansion joint can be required to be freely telescopic in two directions parallel to and perpendicular to the axis of the bridge, is firm and reliable, and is smooth and free from sudden jump and noise when the vehicle runs; can prevent rainwater and garbage soil from penetrating and blocking; the installation, inspection, maintenance and dirt elimination are all simple and convenient.
Aiming at the existing bridge expansion joint device, the phenomenon that hard objects such as stone blocks are plugged into the expansion joint in the long-time continuous use process of the bridge expansion joint device often occurs, so that the expansion joint cannot freely stretch out and draw back, stable stretching and retracting use are seriously affected, the problem that the expansion joint cannot be stretched out and draw back in theory is solved, in the prior art, see a large-span bridge expansion joint cleaning device disclosed by patent application number CN201710142668.3, the bridge expansion joint is cleaned through the device, so that the influence of the hard objects such as the stone blocks is eliminated, but the problem that cleaning is not timely and labor intensity is increased exists, the problem that the cleaning is not timely and labor intensity is increased is solved, the problem is solved, see the bridge expansion joint protection mechanism disclosed by patent application number CN202010368669.1, the purpose is to utilize a vibration device added on comb teeth to shake out stones clamped in the joints, the corresponding technical effect can be achieved in theory, the expansion joint cannot be stretched out and retracting in theory when the stone blocks are plugged into the expansion joint, namely, vibration is only equivalent to vibration of the whole bridge expansion joint device at the moment under the condition again, the problem that the bridge expansion joint comb teeth are difficult to provide effective vibration for vibration, namely that the stone blocks are not troublesome in the expansion joint and the vibration is not easy to be provided for the vibration device, the bridge expansion joint protection process is difficult to be effectively protected, and the bridge expansion joint protection process is difficult to be laid for the vibration, and has high-efficient vibration and has the vibration device.
Disclosure of Invention
The invention aims to provide a bridge expansion joint device which is used for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the bridge expansion joint device comprises fixed comb teeth, movable comb teeth and a bearing steel plate movably arranged at the bottom of the fixed comb teeth, wherein inclined fixed inclined plates are arranged at the positions, adjacent to the movable comb teeth, of the side edges of the fixed comb teeth, deflection inclined plates are movably arranged at the positions, adjacent to the fixed comb teeth, of the side edges of the movable comb teeth, the adjacent fixed inclined plates and the deflection inclined plates incline downwards to the middle position, and the end parts of the fixed inclined plates are in butt joint;
the movable comb teeth are transversely deflected relative to the fixed comb teeth, and the deflection inclined plates on the two sides are driven to deflect upwards and downwards respectively;
and a deflection driving mechanism II is also arranged at each comb tooth position on the movable comb tooth, and the deflection driving mechanism II is also connected with deflection sloping plates at two sides of the comb tooth position and matched with the bearing steel plate so as to drive the two deflection sloping plates to deflect upwards simultaneously when the movable comb tooth moves far and near relative to the fixed comb tooth.
Preferably, the bottom of each comb tooth part of the movable comb tooth is provided with a groove I, the deflection driving mechanism I comprises a bearing seat I arranged in the groove I, a driving rod I is rotatably arranged on the bearing seat I, one end part of the driving rod is provided with a synchronous homodromous part, and the synchronous homodromous part is respectively connected with deflection inclined plates at two sides so as to drive the two deflection inclined plates to deflect upwards and downwards respectively when the driving rod I rotates;
the synchronous type homodromous moving parts are provided with first connecting pieces, one end parts of the first connecting pieces are respectively and movably connected with the side deflection inclined plates, and the first connecting pieces are used for driving the corresponding deflection inclined plates to deflect when the synchronous type homodromous moving parts act;
the first driving rod is provided with a one-way gear mechanism, and the bearing steel plate is provided with a transverse tooth slot, so that the first driving rod is driven to rotate by the one-way gear mechanism when the movable comb teeth are transversely shifted, and the deflection inclined plate cannot actively deflect to drive the one-way gear mechanism to walk on the transverse tooth slot.
Preferably, the synchronous type homodromous moving component comprises a first screw rod, wherein the first screw rod is respectively arranged at two ends of a driving rod, the screw directions of the first screw rods are the same, a guide rail groove is formed in the inner wall of the first groove, a first moving seat is respectively arranged at two ends of the first screw rod in a threaded manner, and the first moving seat is respectively arranged in the guide rail groove in a sliding manner so as to rotate in a unidirectional manner, and the first moving seat and the second moving seat move in a same direction.
Preferably, the first connecting piece comprises a fixed sleeve arranged on the first movable seat, a telescopic inner rod is slidably arranged in the fixed sleeve, the telescopic inner rod extends upwards, and the end part of the telescopic inner rod is movably connected with the deflection sloping plate, so that the deflection sloping plate is driven to deflect through the movement and the telescopic inner rod when the first movable seat moves.
Preferably, the unidirectional gear mechanism comprises a longitudinal shaft which is arranged in the groove I and is perpendicular to the driving rod I, a gear I which is meshed with the transverse tooth groove is arranged on the longitudinal shaft, a worm is also arranged on the longitudinal shaft, a worm wheel which is meshed with the worm is arranged on the driving rod I, when the movable comb teeth transversely move left and right, the gear I is utilized to move in the transverse tooth groove to drive the worm to rotate, and the driving rod I is driven to rotate unidirectionally through the worm wheel.
Preferably, grooves III are formed in the bottoms of the comb teeth on the movable comb teeth, the deflection driving mechanism II comprises a butt joint part arranged between a telescopic inner rod and a deflection sloping plate, and the telescopic inner rod drives the deflection sloping plate to deflect by the butt joint part;
the device also comprises a second bearing seat arranged in the third groove, a second driving rod is arranged on the second bearing seat, a synchronous ejection mechanism is arranged at the two end parts of the driving rod, and the synchronous ejection mechanism is respectively connected with the two deflection sloping plates at the two sides so as to drive the two deflection sloping plates to independently and synchronously deflect upwards by utilizing a butt joint part when the second driving rod rotates;
the movable comb teeth are arranged on the first bearing steel plate, and the first bearing steel plate is arranged on the second bearing steel plate.
Preferably, the inner side of the deflection sloping plate is provided with a groove IV, the butt joint part comprises a connecting plate arranged in the connecting plate, the top end of the connecting plate is movably connected with the deflection sloping plate, the bottom end of the connecting plate is movably connected with the telescopic inner rod, a connecting piece II is arranged between the connecting plate and the deflection sloping plate, when the telescopic inner rod moves inwards, the telescopic inner rod pulls the connecting plate, and pulls the side deflection sloping plate to deflect downwards by utilizing the connecting piece II, and when the telescopic inner rod moves outwards, the telescopic inner rod pushes the connecting plate to drive the deflection sloping plate to deflect upwards.
Preferably, the second connecting member comprises a first magnet and a second magnet which are respectively embedded between the connecting plate and the deflection sloping plate, and the magnetic poles of the first magnet and the magnetic poles of the opposite faces of the magnets are opposite.
Preferably, the synchronous ejection mechanism comprises a second screw rod respectively arranged at two ends of a second driving rod, the screw threads of the two second screws are opposite in direction, moving seats II are respectively arranged on the second screw rods in a threaded manner, and the moving seats II are respectively arranged in the third groove in a sliding manner so as to rotate on the second driving rod to drive the two moving seats II to synchronously expand and move;
the movable seat is characterized by further comprising a connecting piece III which is respectively arranged on the movable seat II and is respectively connected with the side deflection sloping plate so as to drive the side deflection sloping plate to deflect upwards when the movable seat expands outwards.
Preferably, the third connecting piece comprises a connecting rod arranged on the second moving seat, wherein the connecting rods extend upwards, top blocks are arranged at the end parts of the connecting rods, and the top blocks are of wedge-shaped bevel edge structures and are in butt joint with the deflection sloping plates so as to push the deflection sloping plates to deflect when the second moving seat moves.
Compared with the prior art, the invention has the beneficial effects that:
the invention is different from the prior art, in the continuous use process of the bridge expansion joint, the fixed inclined plate on the fixed comb teeth and the deflection inclined plate on the movable comb teeth are matched with the use of the deflection driving mechanism I and the deflection driving mechanism II, so as to further provide an inclined and closed V-shaped joint, thereby effectively avoiding the hard objects such as stones and the like from being blocked in the expansion joint, and driving the deflection inclined plate to deflect when a vehicle passes through and drives the fixed comb teeth and the movable comb teeth to act relatively, so as to provide a telescopic interval for the movable comb teeth, and the stone at the position is lifted out by utilizing the deflection of the deflection inclined plate, thereby providing continuous and effective protection for the expansion joint device.
Drawings
FIG. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;
FIG. 2 is a schematic top plan view of the structure of FIG. 1 according to the present invention;
FIG. 3 is a schematic view of the present invention showing a partial cross-section of the main pipe of FIG. 1;
FIG. 4 is a schematic view of the structure of a bearing steel plate according to the present invention;
FIG. 5 is a schematic side plan view of the structure of FIG. 1 in accordance with the present invention;
FIG. 6 is a schematic view of a deflection driving mechanism according to the present invention;
FIG. 7 is a schematic diagram of a second embodiment of a yaw drive mechanism of the present invention;
FIG. 8 is a schematic view of a connector according to the present invention;
fig. 9 is a schematic overall structure of embodiment 2 of the present invention.
In the figure: 1. fixing comb teeth; 11. fixing the sloping plate; 2. movable comb teeth; 21. deflection sloping plates; 211. a groove IV; 22. a groove I; 23. a groove III; 3. a bearing steel plate; 31. a tooth slot is transversely arranged; 4. a first deflection driving mechanism; 41. a first bearing seat; 42. a first driving rod; 43. synchronous type same-direction moving component; 431. a first screw; 432. a guide rail groove; 433. a first movable seat; 44. a first connecting piece; 441. a fixed sleeve; 442. a telescopic inner rod; 45. a one-way gear mechanism; 451. a longitudinal axis; 452. a first gear; 453. a worm; 454. a worm wheel; 5. a second deflection driving mechanism; 51. a docking member; 511. a connecting plate; 52. a second bearing seat; 53. a second driving rod; 54. a synchronous ejection mechanism; 541. a second screw; 542. a second movable seat; 55. a second gear; 56. longitudinal tooth grooves; 57. a second connecting piece; 571. a first magnet; 572. a second magnet; 58. a third connecting piece; 581. a connecting rod; 582. and (5) a top block.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1-8, the present invention provides a technical solution: the bridge expansion joint device comprises fixed comb teeth 1, movable comb teeth 2 and a bearing steel plate 3 movably arranged at the bottom of the fixed comb teeth 1, wherein inclined fixed inclined plates 11 are respectively arranged at the positions adjacent to the side edges of the fixed comb teeth 1 and the movable comb teeth 2, deflection inclined plates 21 are respectively movably arranged at the positions adjacent to the side edges of the movable comb teeth 2 and the fixed comb teeth 1, the adjacent fixed inclined plates 11 and the deflection inclined plates 21 incline downwards towards the middle position, the end parts are abutted, the deflection inclined plates 21 are fixed in position in an initial state, namely can not actively deflect, so as to provide an inclined and relatively sealed V-shaped joint body structure by matching with the fixed inclined plates 11, hard objects such as stone blocks fall into the V-shaped joint and can not be clamped between the fixed inclined plates 11 and the deflection inclined plates 21, and the expansion joint can not be effectively prevented from being clamped and stretched;
the movable comb teeth 2 are provided with a deflection driving mechanism I4 at each comb tooth position, the deflection driving mechanism I4 is connected with deflection inclined plates 21 at two sides of the comb tooth position and is matched with a bearing steel plate 3, so that the deflection inclined plates 21 at two sides are driven to deflect upwards and downwards respectively when the movable comb teeth 2 are transversely deflected left and right relative to the fixed comb teeth 1, an effective telescopic section is provided for the movable comb teeth 2, the normal telescopic use of an expansion joint device is ensured, and the specific deflection directions of the two deflection inclined plates 21 are as follows:
taking the left deflection of the movable comb teeth 2 as an example, the deflection inclined plate 21 on the left side of the movable comb teeth 2 deflects downwards, so that the normal movement and the expansion of the movable comb teeth 2 are met, the deflection inclined plate 21 can be guaranteed to be always attached to the fixed inclined plate 11 at the position in the downward deflection process, stone and hard objects can be extruded out of a V-shaped seam by utilizing the inclined edges of the fixed inclined plate 11 and the deflection inclined plate 21, the deflection inclined plate 21 on the right side of the movable comb teeth 2 also deflects upwards, the movable comb teeth 2 can be used for lifting the stone and other hard objects upwards, the stone and other hard objects are always attached to the fixed inclined plate 11 in an abutting mode before the stone and other hard objects are deflected to be ninety degrees perpendicular to the fixed inclined plate 11, the stone and other hard objects are guaranteed not to fall into the seam, so that the stone and the hard objects are prevented from being blocked, the expansion seam device is guaranteed to be effectively protected, and the normal expansion use of the stone and hard objects are met. And the same applies when the movable comb teeth 2 are deflected to the right, but only the deflection and the change of the moving direction in the process are performed;
a deflection driving mechanism II 5 is also arranged at each comb tooth position on the movable comb tooth 2, the deflection driving mechanism II 5 is also connected with deflection inclined plates 21 at two sides of the comb tooth position and is matched with the bearing steel plate 3 so as to drive the two deflection inclined plates 21 to deflect upwards simultaneously when the movable comb tooth 2 moves far and near relative to the fixed comb tooth 1, and the deflection driving mechanism II 5 does not influence the left and right transverse movement of the deflection driving mechanism I4, and the deflection driving mechanism I4 does not interfere the longitudinal movement of the deflection driving mechanism II 5, and under the use of the mechanism, when the movable comb tooth 2 longitudinally stretches, the two deflection inclined plates 21 are driven to deflect upwards simultaneously so as to meet the longitudinal movement of the movable comb tooth 2, and simultaneously the deflection inclined plates 21 deflect upwards to lift a stone block in a V-shaped seam upwards to form an expansion joint;
it should be further noted that, in the initial state, the inclination angle between the fixed swash plate 11 and the deflection swash plate 21 is an acute angle, so that the deflection swash plate 21 always sticks to each other when the movable comb teeth 2 move transversely, but in this case, when two deflection swash plates 21 need to move upwards at the same time, the fixed swash plate 11 will prop against the deflection swash plate 21 and cannot deflect, therefore, the deflection swash plate 21 can be selected to be a telescopic structure, in the initial state, the fixed swash plate 11 and the deflection swash plate 21 are set to be perpendicular at ninety degrees, and the telescopic deflection swash plate 21 is in a limit shrinkage state, so that even if stones and hard objects fall into a V-shaped seam, the stones are not jammed between the fixed swash plate 11 and the deflection swash plate 21 due to rolling of the wheels, so that deflection use of the deflection swash plate 21 can be satisfied, and seamless abutment with the fixed swash plate 11 is ensured.
Further, a groove I22 is formed in the bottom of each comb tooth part of the movable comb teeth 2, the deflection driving mechanism I4 comprises a bearing seat I41 arranged in the groove I22, a driving rod I42 is rotatably arranged on the bearing seat I41, a synchronous type homodromous part 43 is arranged at the end part of the driving rod I42, and the synchronous type homodromous part 43 is respectively connected with deflection inclined plates 21 at two sides so as to drive the two deflection inclined plates 21 to deflect upwards and downwards respectively when the driving rod I42 rotates;
the synchronous type homodromous part 43 is provided with a first connecting piece 44, the end parts of the first connecting piece 44 are respectively and movably connected with the side deflection sloping plate 21, and the first connecting piece 44 is used for driving the corresponding deflection sloping plate 21 to deflect when the synchronous type homodromous part 43 acts;
and a one-way gear mechanism 45 is arranged on the first driving rod 42, and the transverse tooth grooves 31 are arranged on the bearing steel plate 3, so that the first driving rod 42 is driven to rotate by the one-way gear mechanism 45 when the movable comb teeth 2 are transversely shifted, and the deflection inclined plate 21 cannot actively deflect to drive the one-way gear mechanism 45 to walk on the transverse tooth grooves 31.
For the synchronous type homodromous part 43, it includes a first screw 431 installed at two ends of the first driving rod 42, the screw directions of the two first screws 431 are the same, a guide rail groove 432 is provided on the inner wall of the first groove 22, a first moving seat 433 is installed at two ends of the first screw 431, and the first moving seat 433 is slidably placed in the guide rail groove 432, so that the two first moving seats 433 move in the same direction when the first screw 431 rotates in one direction.
The first connecting member 44 includes a fixed sleeve 441 mounted on the first movable seat 433, a telescopic inner rod 442 slidably mounted in the fixed sleeve 441, wherein the telescopic inner rod 442 extends upward, and an end of the telescopic inner rod 442 is movably connected with the deflecting inclined plate 21, so as to drive the deflecting inclined plate 21 to deflect through movement and expansion of the telescopic inner rod 442 when the first movable seat 433 moves.
The unidirectional gear mechanism 45 includes a longitudinal axis 451 installed in the groove one 22 and perpendicular to the driving rod one 42, a gear one 452 engaged with the transverse tooth groove 31 is installed on the longitudinal axis 451, a worm 453 is also installed on the longitudinal axis 451, a worm wheel 454 engaged with the worm 453 is installed on the driving rod one 42, and when the movable comb teeth 2 move laterally, the worm 453 is driven to rotate by the gear one 452 moving in the transverse tooth groove 31, and the driving rod one 42 is driven to rotate unidirectionally by the worm wheel 454.
For the above-mentioned characteristics of the first deflection driving mechanism 4, in the actual use process, taking the left deflection of the movable comb teeth 2 as an example, the first gear 452 moves in the horizontal tooth grooves 31 to drive the longitudinal shaft 451 to rotate during deflection, the first worm 453 and the worm wheel 454 are utilized to unidirectionally drive the first screw 431 to rotate, and then the left and right movable seats 433 are driven to move in the same direction to respectively drive the two deflection inclined plates 21 to deflect upwards and downwards respectively, and in the process, the second gear 55 moves transversely in the longitudinal tooth grooves 56 without interfering with the use of the first deflection driving mechanism 4, and when the right deflection of the movable comb teeth 2 is the same, only the transverse movement and deflection directions of the movable comb teeth 2 are changed.
Further, grooves III 23 are formed at the bottoms of the comb teeth positions on the movable comb teeth 2, the deflection driving mechanism II 5 comprises a butt joint part 51 arranged between the telescopic inner rod 442 and the deflection sloping plate 21, and the telescopic inner rod 442 drives the deflection sloping plate 21 to deflect by using the butt joint part 51;
the device also comprises a second bearing seat 52 arranged in the third groove 23, a second driving rod 53 is arranged on the second bearing seat 52, a synchronous ejection mechanism 54 is arranged at the end part of the second driving rod 53, and the synchronous ejection mechanism 54 is respectively connected with the two deflection inclined plates 21 at the two sides so as to drive the two deflection inclined plates 21 to independently and synchronously deflect upwards by utilizing the butt joint part 51 when the second driving rod 53 rotates;
the movable comb teeth 2 are driven to rotate when the movable comb teeth 2 move far and near relative to the fixed comb teeth 1, and the driving rod II 53 is driven to rotate by the aid of a gear II 55 arranged on the driving rod II 53, and longitudinal tooth grooves 56 meshed with the gear II 55 are formed in the bearing steel plate 3.
Further, a groove IV 211 is formed in the inner side of the deflection sloping plate 21, the docking component 51 comprises a connecting plate 511 arranged in the groove IV 211, the top end of the connecting plate 511 is movably connected with the deflection sloping plate 21, the bottom end of the connecting plate 511 is movably connected with a telescopic inner rod 442, a second connecting piece 57 is arranged between the connecting plate 511 and the deflection sloping plate 21, when the telescopic inner rod 442 moves inwards, the telescopic inner rod 442 pulls the connecting plate 511, and pulls the side deflection sloping plate 21 to deflect downwards by using the second connecting piece 57, and when the telescopic inner rod 442 moves outwards, the telescopic inner rod 442 pushes the connecting plate 511 to drive the deflection sloping plate 21 to deflect upwards;
the second connecting piece 57 comprises a first magnet 571 and a second magnet 572 which are respectively embedded between the connecting plate 511 and the deflection sloping plate 21, and the opposite surface magnetic poles of the first magnet 571 and the second magnet 572 are opposite;
in this way, the deflection sloping plate 21 and the telescopic inner rod 442 can be separated, when the telescopic inner rod 442 moves, the deflection sloping plate 21 is deflected upwards by pushing and moving on one side, and the deflection sloping plate 21 is pulled downwards by pulling by using magnetic attraction on the other side, so that normal use is ensured.
For the above-mentioned synchronous ejection mechanism 54, it includes two screws 541 respectively installed at two ends of the second driving rod 53, the screw directions of the two screws 541 are opposite, and two moving seats 542 are respectively installed on the two screws 541, and the two moving seats 542 are respectively slidably placed in the third groove 23, so that the two moving seats 542 are driven to synchronously expand and move by rotating the second driving rod 53;
the movable seat II 542 is provided with a third connecting piece 58 which is respectively arranged on the movable seat II 542, and the third connecting piece 58 is respectively connected with the side deflection sloping plate 21 so as to drive the side deflection sloping plate 21 to deflect upwards when the movable seat II 542 expands outwards;
the third connecting piece 58 comprises a connecting rod 581 installed on the second movable seat 542, wherein the connecting rods 581 extend upwards, and a top block 582 is installed at the end part of each connecting rod 581, and the top block 582 is of a wedge-shaped bevel edge structure and is abutted against the deflection inclined plate 21 so as to push the deflection inclined plate 21 to deflect when the second movable seat 542 moves.
For the above feature, when the movable comb teeth 2 move longitudinally, the second gear 55 moves in the longitudinal tooth grooves 56 to drive the second driving rod 53 to rotate, so as to drive the second movable seat 542 to move outwards synchronously, and the wedge-shaped top block 582 is used to push the two side deflection inclined plates 21 to deflect upwards simultaneously, and the first gear 452 moves in the transverse tooth grooves 31 in a translation manner, so that the use of the second deflection driving mechanism 5 is not interfered.
Example 2
Referring to fig. 9, the present invention provides a technical solution: the bridge expansion joint device comprises fixed comb teeth 1, movable comb teeth 2 and a bearing steel plate 3 movably arranged at the bottom of the fixed comb teeth 1, wherein inclined fixed inclined plates 11 are respectively arranged at the positions adjacent to the side edges of the fixed comb teeth 1 and the movable comb teeth 2, deflection inclined plates 21 are respectively movably arranged at the positions adjacent to the side edges of the movable comb teeth 2 and the fixed comb teeth 1, the adjacent fixed inclined plates 11 and the deflection inclined plates 21 incline downwards towards the middle position, the end parts are abutted, the deflection inclined plates 21 are fixed in position in an initial state, namely can not actively deflect, so as to provide an inclined and relatively sealed V-shaped joint body structure by matching with the fixed inclined plates 11, hard objects such as stone blocks fall into the V-shaped joint and can not be clamped between the fixed inclined plates 11 and the deflection inclined plates 21, and the expansion joint can not be effectively prevented from being clamped and stretched;
the movable comb teeth 2 are provided with a deflection driving mechanism I4 at each comb tooth position, the deflection driving mechanism I4 is connected with deflection inclined plates 21 at two sides of the comb tooth position and is matched with a bearing steel plate 3, so that the deflection inclined plates 21 at two sides are driven to deflect upwards and downwards respectively when the movable comb teeth 2 are transversely deflected left and right relative to the fixed comb teeth 1, an effective telescopic section is provided for the movable comb teeth 2, the normal telescopic use of an expansion joint device is ensured, and the specific deflection directions of the two deflection inclined plates 21 are as follows:
taking the left deflection of the movable comb teeth 2 as an example, the deflection inclined plate 21 on the left side of the movable comb teeth 2 deflects downwards, so that the normal movement and the expansion of the movable comb teeth 2 are met, the deflection inclined plate 21 can be guaranteed to be always attached to the fixed inclined plate 11 at the position in the downward deflection process, stone and hard objects can be extruded out of a V-shaped seam by utilizing the inclined edges of the fixed inclined plate 11 and the deflection inclined plate 21, the deflection inclined plate 21 on the right side of the movable comb teeth 2 also deflects upwards, the movable comb teeth 2 can be used for lifting the stone and other hard objects upwards, the stone and other hard objects are always attached to the fixed inclined plate 11 in an abutting mode before the stone and other hard objects are deflected to be ninety degrees perpendicular to the fixed inclined plate 11, the stone and other hard objects are guaranteed not to fall into the seam, so that the stone and the hard objects are prevented from being blocked, the expansion seam device is guaranteed to be effectively protected, and the normal expansion use of the stone and hard objects are met. And the same applies when the movable comb teeth 2 are deflected to the right, but only the deflection and the change of the moving direction in the process are performed;
a deflection driving mechanism II 5 is also arranged at each comb tooth position on the movable comb tooth 2, the deflection driving mechanism II 5 is also connected with deflection inclined plates 21 at two sides of the comb tooth position and is matched with the bearing steel plate 3 so as to drive the two deflection inclined plates 21 to deflect upwards simultaneously when the movable comb tooth 2 moves far and near relative to the fixed comb tooth 1, and the deflection driving mechanism II 5 does not influence the left and right transverse movement of the deflection driving mechanism I4, and the deflection driving mechanism I4 does not interfere the longitudinal movement of the deflection driving mechanism II 5, and under the use of the mechanism, when the movable comb tooth 2 longitudinally stretches, the two deflection inclined plates 21 are driven to deflect upwards simultaneously so as to meet the longitudinal movement of the movable comb tooth 2, and simultaneously the deflection inclined plates 21 deflect upwards to lift a stone block in a V-shaped seam upwards to form an expansion joint;
it should be further noted that, in the initial state, the inclination angle between the fixed swash plate 11 and the deflection swash plate 21 is an acute angle, so that the deflection swash plate 21 always sticks to each other when the movable comb teeth 2 move transversely, but in this case, when two deflection swash plates 21 need to move upwards at the same time, the fixed swash plate 11 will prop against the deflection swash plate 21 and cannot deflect, therefore, the deflection swash plate 21 can be selected to be a telescopic structure, in the initial state, the fixed swash plate 11 and the deflection swash plate 21 are set to be perpendicular at ninety degrees, and the telescopic deflection swash plate 21 is in a limit shrinkage state, so that even if stones and hard objects fall into a V-shaped seam, the stones are not jammed between the fixed swash plate 11 and the deflection swash plate 21 due to rolling of the wheels, so that deflection use of the deflection swash plate 21 can be satisfied, and seamless abutment with the fixed swash plate 11 is ensured.
Further, a groove I22 is formed in the bottom of each comb tooth part of the movable comb teeth 2, the deflection driving mechanism I4 comprises a bearing seat I41 arranged in the groove I22, a driving rod I42 is rotatably arranged on the bearing seat I41, a synchronous type homodromous part 43 is arranged at the end part of the driving rod I42, and the synchronous type homodromous part 43 is respectively connected with deflection inclined plates 21 at two sides so as to drive the two deflection inclined plates 21 to deflect upwards and downwards respectively when the driving rod I42 rotates;
the synchronous type homodromous part 43 is provided with a first connecting piece 44, the end parts of the first connecting piece 44 are respectively and movably connected with the side deflection sloping plate 21, and the first connecting piece 44 is used for driving the corresponding deflection sloping plate 21 to deflect when the synchronous type homodromous part 43 acts;
and a one-way gear mechanism 45 is arranged on the first driving rod 42, and the transverse tooth grooves 31 are arranged on the bearing steel plate 3, so that the first driving rod 42 is driven to rotate by the one-way gear mechanism 45 when the movable comb teeth 2 are transversely shifted, and the deflection inclined plate 21 cannot actively deflect to drive the one-way gear mechanism 45 to walk on the transverse tooth grooves 31.
For the synchronous type homodromous part 43, it includes a first screw 431 installed at two ends of the first driving rod 42, the screw directions of the two first screws 431 are the same, a guide rail groove 432 is provided on the inner wall of the first groove 22, a first moving seat 433 is installed at two ends of the first screw 431, and the first moving seat 433 is slidably placed in the guide rail groove 432, so that the two first moving seats 433 move in the same direction when the first screw 431 rotates in one direction.
The first connecting member 44 includes a fixed sleeve 441 mounted on the first movable seat 433, a telescopic inner rod 442 slidably mounted in the fixed sleeve 441, wherein the telescopic inner rod 442 extends upward, and an end of the telescopic inner rod 442 is movably connected with the deflecting inclined plate 21, so as to drive the deflecting inclined plate 21 to deflect through movement and expansion of the telescopic inner rod 442 when the first movable seat 433 moves.
The unidirectional gear mechanism 45 includes a longitudinal axis 451 installed in the groove one 22 and perpendicular to the driving rod one 42, a gear one 452 engaged with the transverse tooth groove 31 is installed on the longitudinal axis 451, a worm 453 is also installed on the longitudinal axis 451, a worm wheel 454 engaged with the worm 453 is installed on the driving rod one 42, and when the movable comb teeth 2 move laterally, the worm 453 is driven to rotate by the gear one 452 moving in the transverse tooth groove 31, and the driving rod one 42 is driven to rotate unidirectionally by the worm wheel 454.
For the above-mentioned characteristics of the first deflection driving mechanism 4, in the actual use process, taking the left deflection of the movable comb teeth 2 as an example, the first gear 452 moves in the horizontal tooth grooves 31 to drive the longitudinal shaft 451 to rotate during deflection, the first worm 453 and the worm wheel 454 are utilized to unidirectionally drive the first screw 431 to rotate, and then the left and right movable seats 433 are driven to move in the same direction to respectively drive the two deflection inclined plates 21 to deflect upwards and downwards respectively, and in the process, the second gear 55 moves transversely in the longitudinal tooth grooves 56 without interfering with the use of the first deflection driving mechanism 4, and when the right deflection of the movable comb teeth 2 is the same, only the transverse movement and deflection directions of the movable comb teeth 2 are changed.
Further, grooves III 23 are formed at the bottoms of the comb teeth positions on the movable comb teeth 2, the deflection driving mechanism II 5 comprises a butt joint part 51 arranged between the telescopic inner rod 442 and the deflection sloping plate 21, and the telescopic inner rod 442 drives the deflection sloping plate 21 to deflect by using the butt joint part 51;
the device also comprises a second bearing seat 52 arranged in the third groove 23, a second driving rod 53 is arranged on the second bearing seat 52, a synchronous ejection mechanism 54 is arranged at the end part of the second driving rod 53, and the synchronous ejection mechanism 54 is respectively connected with the two deflection inclined plates 21 at the two sides so as to drive the two deflection inclined plates 21 to independently and synchronously deflect upwards by utilizing the butt joint part 51 when the second driving rod 53 rotates;
the movable comb teeth 2 are driven to rotate when the movable comb teeth 2 move far and near relative to the fixed comb teeth 1, and the driving rod II 53 is driven to rotate by the aid of a gear II 55 arranged on the driving rod II 53, and longitudinal tooth grooves 56 meshed with the gear II 55 are formed in the bearing steel plate 3.
Further, a groove IV 211 is formed in the inner side of the deflection sloping plate 21, the docking component 51 comprises a connecting plate 511 arranged in the groove IV 211, the top end of the connecting plate 511 is movably connected with the deflection sloping plate 21, the bottom end of the connecting plate 511 is movably connected with a telescopic inner rod 442, a second connecting piece 57 is arranged between the connecting plate 511 and the deflection sloping plate 21, when the telescopic inner rod 442 moves inwards, the telescopic inner rod 442 pulls the connecting plate 511, and pulls the side deflection sloping plate 21 to deflect downwards by using the second connecting piece 57, and when the telescopic inner rod 442 moves outwards, the telescopic inner rod 442 pushes the connecting plate 511 to drive the deflection sloping plate 21 to deflect upwards;
the second connecting piece 57 comprises a spring 6, two ends of which are respectively connected with the connecting plate 511 and the deflection sloping plate 21;
in this way, the deflection sloping plate 21 and the telescopic inner rod 442 can be separated, when the telescopic inner rod 442 moves, the deflection sloping plate 21 is deflected upwards by pushing the deflection sloping plate 21 on one side, and the deflection sloping plate 21 is deflected downwards by pulling the deflection sloping plate 21 by the spring 6 on the other side, so that the normal use is ensured.
For the above-mentioned synchronous ejection mechanism 54, it includes two screws 541 respectively installed at two ends of the second driving rod 53, the screw directions of the two screws 541 are opposite, and two moving seats 542 are respectively installed on the two screws 541, and the two moving seats 542 are respectively slidably placed in the third groove 23, so that the two moving seats 542 are driven to synchronously expand and move by rotating the second driving rod 53;
the movable seat II 542 is provided with a third connecting piece 58 which is respectively arranged on the movable seat II 542, and the third connecting piece 58 is respectively connected with the side deflection sloping plate 21 so as to drive the side deflection sloping plate 21 to deflect upwards when the movable seat II 542 expands outwards;
the third connecting piece 58 comprises a connecting rod 581 installed on the second movable seat 542, wherein the connecting rods 581 extend upwards, and a top block 582 is installed at the end part of each connecting rod 581, and the top block 582 is of a wedge-shaped bevel edge structure and is abutted against the deflection inclined plate 21 so as to push the deflection inclined plate 21 to deflect when the second movable seat 542 moves.
For the above feature, when the movable comb teeth 2 move longitudinally, the second gear 55 moves in the longitudinal tooth grooves 56 to drive the second driving rod 53 to rotate, so as to drive the second movable seat 542 to expand synchronously, and the wedge-shaped top block 582 is used to push the two side deflection inclined plates 21 to deflect upwards simultaneously, and the first gear 452 moves in the transverse tooth grooves 31 in a translation manner without interfering with the use of the second deflection driving mechanism 5
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a bridge expansion joint device, includes fixed broach (1), activity broach (2) and activity setting steel sheet (3) that bear in fixed broach (1) bottom, its characterized in that: the fixed inclined plates (11) are arranged at the positions, adjacent to the movable comb teeth (2), of the side edges of the fixed comb teeth (1), the deflection inclined plates (21) are movably arranged at the positions, adjacent to the fixed comb teeth (1), of the side edges of the movable comb teeth (2), the adjacent fixed inclined plates (11) and the deflection inclined plates (21) incline downwards to the middle position, and the end parts of the fixed inclined plates are in butt joint;
the movable comb teeth (2) are transversely deflected left and right relative to the fixed comb teeth (1), and the deflection driving mechanisms (4) are respectively connected with the deflection inclined plates (21) at the two sides of the comb teeth and matched with the bearing steel plates (3) so as to drive the deflection inclined plates (21) at the two sides to be respectively deflected upwards and downwards;
and a deflection driving mechanism II (5) is also arranged at each comb tooth position on the movable comb tooth (2), and the deflection driving mechanism II (5) is also connected with deflection inclined plates (21) at two sides of the comb tooth position and matched with the bearing steel plate (3) so as to drive the two deflection inclined plates (21) to deflect upwards simultaneously when the movable comb tooth (2) moves far and near relative to the fixed comb tooth (1).
2. A bridge expansion joint device according to claim 1, wherein: a groove I (22) is formed in the bottom of each comb tooth part of the movable comb tooth (2), the deflection driving mechanism I (4) comprises a bearing seat I (41) arranged in the groove I (22), a driving rod I (42) is rotatably arranged on the bearing seat I (41), a synchronous homodromous moving part (43) is arranged at the end part of the driving rod I (42), and the synchronous homodromous moving part (43) is respectively connected with deflection inclined plates (21) at two sides so as to drive the two deflection inclined plates (21) to deflect upwards and downwards respectively when the driving rod I (42) rotates;
the synchronous type homodromous moving parts (43) are provided with first connecting pieces (44), the end parts of the first connecting pieces (44) are respectively and movably connected with the side deflection inclined plates (21), and when the synchronous type homodromous moving parts (43) act, the first connecting pieces (44) are used for driving the corresponding deflection inclined plates (21) to deflect;
and a one-way gear mechanism (45) is arranged on the first driving rod (42), and a transverse tooth groove (31) is arranged on the bearing steel plate (3), so that the first driving rod (42) is driven to rotate by the one-way gear mechanism (45) when the movable comb teeth (2) are transversely shifted, and the deflection inclined plate (21) cannot actively deflect to drive the one-way gear mechanism (45) to walk on the transverse tooth groove (31).
3. A bridge expansion joint device according to claim 2, wherein: the synchronous type homodromous moving component (43) comprises first screw rods (431) which are respectively arranged at two ends of a first driving rod (42), the screw thread directions of the first screw rods (431) are the same, guide rail grooves (432) are formed in the inner wall of the first groove (22), first moving seats (433) are respectively arranged at two ends of the first screw rods (431) in a threaded mode, and the first moving seats (433) are respectively arranged in the guide rail grooves (432) in a sliding mode so that the first two moving seats (433) move in the same direction when the first screw rods (431) rotate in a unidirectional mode.
4. A bridge expansion joint according to claim 3, wherein: the first connecting piece (44) comprises a fixed sleeve (441) arranged on the first movable seat (433), a telescopic inner rod (442) is slidably arranged in the fixed sleeve (441), the telescopic inner rod (442) extends upwards, and the end part of the telescopic inner rod is movably connected with the deflection inclined plate (21), so that the deflection inclined plate (21) is driven to deflect through the movement and the telescopic inner rod (442) when the first movable seat (433) moves.
5. The bridge expansion joint device according to claim 4, wherein: the unidirectional gear mechanism (45) comprises a longitudinal shaft (451) which is arranged in the groove I (22) and is perpendicular to the driving rod I (42), a gear I (452) which is meshed with the transverse tooth groove (31) is arranged on the longitudinal shaft (451), a worm (453) is also arranged on the longitudinal shaft (451), a worm wheel (454) which is meshed with the worm (453) is arranged on the driving rod I (42), and when the movable comb teeth (2) transversely move left and right, the gear I (452) is utilized to move in the transverse tooth groove (31) to drive the worm (453) to rotate, and the driving rod I (42) is driven to rotate unidirectionally through the worm wheel (454).
6. The bridge expansion joint device according to claim 5, wherein: grooves III (23) are formed in the bottoms of the comb teeth positions of the movable comb teeth (2), the deflection driving mechanism II (5) comprises a butt joint part (51) arranged between a telescopic inner rod (442) and the deflection inclined plate (21), and the telescopic inner rod (442) drives the deflection inclined plate (21) to deflect by the butt joint part (51);
the device also comprises a second bearing seat (52) arranged in the third groove (23), a second driving rod (53) is arranged on the second bearing seat (52), a synchronous ejection mechanism (54) is arranged at the end part of the second driving rod (53), and the synchronous ejection mechanism (54) is respectively connected with the two deflection inclined plates (21) at the two sides so as to drive the two deflection inclined plates (21) to independently and synchronously deflect upwards by utilizing a butting part (51) when the second driving rod (53) rotates;
the movable comb teeth (2) are driven to rotate when moving far and near relative to the fixed comb teeth (1), and the driving rod II (53) is driven to rotate.
7. The bridge expansion joint device according to claim 6, wherein: the inner side of the deflection sloping plate (21) is provided with a groove IV (211), the butt joint part (51) comprises a connecting plate (511) arranged in the groove IV (211), the top end of the connecting plate (511) is movably connected with the deflection sloping plate (21), the bottom end of the connecting plate is movably connected with a telescopic inner rod (442), a connecting piece II (57) is arranged between the connecting plate (511) and the deflection sloping plate (21), when the telescopic inner rod (442) moves inwards, the telescopic inner rod (442) pulls the connecting plate (511), and pulls the side deflection sloping plate (21) to deflect downwards by utilizing the connecting piece II (57), and when the telescopic inner rod (442) moves outwards, the telescopic inner rod (442) pushes the connecting plate (511) to drive the deflection sloping plate (21) to deflect upwards.
8. The bridge expansion joint device according to claim 7, wherein: the second connecting piece (57) comprises a first magnet (571) and a second magnet (572) which are respectively embedded between the connecting plate (511) and the deflection inclined plate (21), and the magnetic poles of the opposite surfaces of the first magnet (571) and the second magnet (572) are opposite.
9. The bridge expansion joint device according to claim 8, wherein: the synchronous ejection mechanism (54) comprises two screw rods (541) which are respectively arranged at two ends of the driving rod (53), the screw threads of the two screw rods (541) are opposite in direction, the two screw rods (541) are respectively provided with a second moving seat (542) in a screw thread manner, and the second moving seats (542) are respectively and slidably arranged in the third groove (23) so as to rotate the driving rod (53) to drive the two moving seats (542) to synchronously expand and move;
the movable seat II (542) is provided with a third connecting piece (58) which is respectively arranged on the movable seat II (542), and the third connecting piece (58) is respectively connected with the side deflection sloping plate (21) so as to drive the side deflection sloping plate (21) to deflect upwards when the movable seat II (542) expands outwards.
10. A bridge expansion joint device according to claim 9, wherein: the third connecting piece (58) comprises connecting rods (581) arranged on the second moving seat (542), the connecting rods (581) extend upwards, top blocks (582) are arranged at the end parts of the connecting rods, the top blocks (582) are of wedge-shaped bevel edge structures and are abutted against the deflection inclined plates (21) so as to push the deflection inclined plates (21) to deflect when the second moving seat (542) moves.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210712121.3A CN114892512B (en) | 2022-06-22 | 2022-06-22 | Bridge expansion joint device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210712121.3A CN114892512B (en) | 2022-06-22 | 2022-06-22 | Bridge expansion joint device |
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| CN114892512A CN114892512A (en) | 2022-08-12 |
| CN114892512B true CN114892512B (en) | 2023-08-18 |
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| CN113931063A (en) * | 2021-11-25 | 2022-01-14 | 湖北恋桥交通工程有限公司 | Anti-sticking seam broach type bridge telescoping device strides |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1333137C (en) * | 2004-01-08 | 2007-08-22 | 徐斌 | Expansion joint apparatus for ultra large yield resisting comb type bridge |
| EP1614808A1 (en) * | 2004-07-07 | 2006-01-11 | Mageba S.A. | Bridging device |
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| JPH10204813A (en) * | 1997-01-27 | 1998-08-04 | P S Co Ltd | Finger joints for bridge |
| JP2004257038A (en) * | 2003-02-25 | 2004-09-16 | Sho Bond Constr Co Ltd | Structure of bridge expansion joint |
| DE102015115505A1 (en) * | 2014-09-16 | 2016-03-17 | Zujiang Liu | Bridge expansion joint and attachment method for it |
| CN208933822U (en) * | 2018-09-12 | 2019-06-04 | 天津桥通科技发展有限公司 | Fishback self-cleaning structure |
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| CN111705638A (en) * | 2020-05-21 | 2020-09-25 | 浙江立信建设集团有限公司 | Municipal bridge expansion joint |
| CN112064498A (en) * | 2020-09-14 | 2020-12-11 | 蒋明敏 | Comb-shaped bridge expansion joint plate structure and cleaning device thereof |
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| CN113931063A (en) * | 2021-11-25 | 2022-01-14 | 湖北恋桥交通工程有限公司 | Anti-sticking seam broach type bridge telescoping device strides |
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| CN114892512A (en) | 2022-08-12 |
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