CN210238277U - Rubber shock-absorbing expansion joint of comb plate for multidirectional deflection steering shaft - Google Patents
Rubber shock-absorbing expansion joint of comb plate for multidirectional deflection steering shaft Download PDFInfo
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- CN210238277U CN210238277U CN201921002499.4U CN201921002499U CN210238277U CN 210238277 U CN210238277 U CN 210238277U CN 201921002499 U CN201921002499 U CN 201921002499U CN 210238277 U CN210238277 U CN 210238277U
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Abstract
The utility model relates to a multidirectional steering spindle rubber shock attenuation formula fishback expansion joint that shifts, including main pinion rack, vice pinion rack, main pinion rack's rear portion is equipped with a plurality of mounting grooves along its horizontal equidistance, be equipped with the steering hinge in every mounting groove, wear to be equipped with relative its pivoted axis of rotation in the steering hinge, the top of axis of rotation is fixed with the lower part of main pinion rack, the steering hinge is including steering hinge upper plate, the steering hinge hypoplastron, the steering hinge upper plate lock is on the steering hinge hypoplastron, be equipped with the activity notch that transversely link up on the steering hinge hypoplastron, there is the clearance between the wall of axis of rotation and the wall of activity notch, be equipped with the elastic gasket between steering hinge upper plate and the axis of rotation. The utility model discloses stable in structure shifts effectually, long service life.
Description
Technical Field
The utility model relates to a bridge building technical field especially relates to a multidirectional steering spindle rubber shock attenuation formula fishback expansion joint that shifts.
Background
In order to meet the requirement of bridge body deformation, bridge expansion joints are generally arranged between two beam ends of a bridge, between the beam ends and an abutment or on the hinged position of the bridge, and along with the development of road transportation, the road traffic volume and the automobile load are increasingly large, and the requirements on various performances of the expansion of the road bridge are continuously improved.
At present, the expansion joints in the same field have the following defects: 1. the motion that shifts of expansion joint in-service use receives very big restriction, and is relatively poor to extreme condition resistance, produces the motion that shifts very easily for the pinion rack bumps each other, collides, causes the pinion rack to damage. 2. Not enough to the design of reseing of fishback to the fishback after flexible seam displacement, the fishback can not reset very well, leads to the fishback to be in the state of shifting for a long time, and the atress is inhomogeneous to lead to the fishback to damage, the life-span shortens. 3. The fishback during operation, because the vehicle produces the vibration in the twinkling of an eye impact force when passing through, long this before the fishback bolt can become flexible, and the serious person can cause the fishback to jump the phenomenon, very easily causes the traffic accident.
SUMMERY OF THE UTILITY MODEL
The purpose of the present invention is to solve at least one of the technical drawbacks.
The utility model relates to a multidirectional steering spindle rubber shock attenuation formula fishback expansion joint that shifts, including main pinion rack, vice pinion rack, the rear portion of main pinion rack is equipped with a plurality of mounting grooves, every along its horizontal equidistance be equipped with the steering hinge in the mounting groove, wear to be equipped with its pivoted axis of rotation relatively in the steering hinge, the top of axis of rotation is fixed with the lower part of main pinion rack, the steering hinge is including steering hinge upper plate, steering hinge hypoplastron, the fastening of steering hinge upper plate is on the steering hinge hypoplastron, be equipped with the activity notch that transversely link up on the steering hinge hypoplastron, there is the clearance between the wall of axis of rotation and the wall of activity notch, be equipped with the gasket between steering hinge upper plate and the axis of rotation.
Preferably, the top of the rotating shaft is set to be a plane, the elastic gasket is arranged on the plane, and the height of the elastic gasket is higher than the distance between the top of the rotating shaft and the upper plate of the steering hinge.
In any one of the above aspects, preferably, the elastic pad is a pad having a rectangular cross section.
In any of the above aspects, preferably, the elastic pad is a pad having a semi-arc cross section.
In any of the above aspects, preferably, the movable notch is a notch having a long arc-shaped cross section.
Preferably, in any one of the above schemes, the upper plate of the steering hinge is provided with a first mounting notch, the lower plate of the steering hinge is provided with a second mounting notch connected with the first mounting notch, the main toothed plate is provided with a third mounting notch, the auxiliary toothed plate is provided with a fourth mounting notch, the first mounting notch and the second mounting notch are internally provided with a first supporting piece, the third mounting notch is internally provided with a second supporting piece, and the fourth mounting notch is internally provided with a third supporting piece.
In any one of the above schemes, preferably, the first mounting notch, the third mounting notch and the fourth mounting notch all include a first notch and a second notch which are connected with each other, the first notch is arranged at the upper part of the second notch, the cross section width of the first notch is larger than that of the second notch, and the first supporting piece, the second supporting piece and the third supporting piece are all fixed in the first notch through a first fastener.
In any of the above solutions, preferably, the second fastening member for supporting the lower plate of the steering knuckle is provided in the concrete on the first supporting member.
In any of the above schemes, preferably, the lower portions of the steering hinge and the auxiliary toothed plate are provided with anchor rings, and the anchor rings are pre-arranged in concrete.
In any of the above schemes, preferably, the tooth side surfaces of the main tooth plate and the auxiliary tooth plate are both inclined plane structures parallel to each other.
Compared with the prior art, the utility model has the advantages and beneficial effects do:
1. the main toothed plate is driven by the rotating shaft to rotate vertically relative to the movable notch by taking the axis of the rotating shaft as a rotating center, and the rotating shaft rotates vertically relative to the steering hinge, so that the main toothed plate rotates relative to the bridge body and the auxiliary toothed plate in a vertical displacement manner. Through be equipped with the activity notch on the steering hinge hypoplastron, and leave the clearance between axis of rotation and the activity notch, guarantee the rotation space between axis of rotation and the activity notch to guarantee the motion that shifts between the relative bridge roof beam body of owner pinion rack respectively, the vice pinion rack, can also guarantee the mounting structure between main pinion rack and the bridge concrete simultaneously, prevent because the motion that shifts leads to appearing between main pinion rack and the bridge concrete phenomenon that the structure is not hard up, the slippage. In addition, the mounting structure between the steering hinge, the rotating shaft and the main toothed plate can realize quick mounting and later quick replacement and maintenance.
2. Through being equipped with the elastic gasket between steering hinge upper plate and axis of rotation, on the one hand, if direct contact between steering hinge upper plate and the axis of rotation, steering hinge upper plate and axis of rotation are the metal material and make, and mutual rotational friction between metal and the metal uses the wearing and tearing phenomenon to appear between the two easily for a long time, leads to connecting inseparable between the two, influences the effect that shifts. On the other hand, the elastic gasket has elasticity, guarantees that main pinion rack can not the perk after a lot of movements, and strengthens main pinion rack at the big displacement ability of vertical direction, can adapt to more application environment. In addition, the elastic gasket is arranged to enable the steering hinge upper plate and the steering hinge lower plate to be tightly connected, so that a displacement gap cannot occur, and the phenomenon that dust and the like enter the gap to influence displacement motion can be avoided.
The following description is made by combining the drawings to the rubber shock absorption type comb plate expansion joint of the multi-directional deflection steering shaft of the utility model.
Drawings
FIG. 1 is a top view of the expansion joint of the rubber shock absorption type comb plate of the multi-directional deflection steering shaft of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a cross-sectional view of a steering hinge plate in an expansion joint of the rubber shock absorption type comb plate of the multi-directional deflection steering shaft of the present invention;
FIG. 4 is a cross-sectional view of the connection between the supporting plate and the anchor ring in the expansion joint of the rubber shock absorption type comb plate of the multi-directional deflection steering shaft of the present invention;
fig. 5 is a structural diagram of the elastic member in the embodiment 1 of the expansion joint of the rubber shock absorption type comb plate of the multi-directional deflection steering shaft of the present invention;
fig. 6 is a structural diagram of the elastic member in the embodiment 2 of the expansion joint of the rubber shock absorption type comb plate of the multi-directional deflection steering shaft of the present invention;
wherein: 1. a main toothed plate; 101. a third mounting notch; 2. an auxiliary toothed plate; 201. a fourth mounting notch; 3. a steering hinge; 301. a steering hinge upper plate; 302. a steering hinge lower plate; 3021. a movable notch; 303. a first mounting notch; 304. a second mounting notch; 4. a rotating shaft; 5. an anchor ring; 6. a first support member; 7. a second support member; 8. a third support member; 9. an elastic pad; 10. a first fastener; 11. a second fastener; 12. a first notch; 13. a second notch.
Detailed Description
Example 1
As fig. 1, fig. 2, fig. 4 shows, the utility model provides a multidirectional steering spindle rubber shock attenuation formula fishback expansion joint that shifts, including main pinion rack 1, vice pinion rack 2, main pinion rack 1's rear portion is equipped with a plurality of mounting grooves along its horizontal equidistance, be equipped with in every mounting groove and turn to hinge 3, wear to be equipped with its pivoted axis of rotation 4 relatively in turning to hinge 3, the top of axis of rotation 4 is fixed with main pinion rack 1's lower part, turn to hinge 3 including turning to hinge upper plate 301, turn to hinge lower plate 302, turn to hinge upper plate 301 lock on turning to hinge lower plate 302, be equipped with the activity notch 3021 that transversely link up on turning to hinge lower plate 302, there is the clearance between the wall of axis of rotation 4 and the wall of activity notch 3021, it is equipped with elastic gasket 9 to turn to between hinge upper plate 301 and the axis of.
In this embodiment, the main toothed plate 1 is driven by the rotating shaft 4 to rotate vertically by taking the axis of the rotating shaft 4 as the rotating center, and the rotating shaft 4 rotates vertically by the relative steering hinge 3, so that the main toothed plate 1 rotates vertically by the displacement of the main toothed plate 1 relative to the bridge body and the auxiliary toothed plate 2. Through be equipped with movable notch 3021 on steering hinge hypoplastron 302, and leave the clearance between axis of rotation 4 and the movable notch 3021, guarantee the rotation space between axis of rotation 4 and the movable notch 3021, thereby guarantee the relative bridge beam body respectively of main pinion rack 1, the motion that shifts between the vice pinion rack 2, can also guarantee the mounting structure between main pinion rack 1 and the bridge concrete simultaneously, prevent because the motion that shifts leads to appearing between main pinion rack 1 and the bridge concrete that the structure is not hard up, the phenomenon of slippage. In addition, the mounting structure between the steering hinge 3, the rotating shaft and the main toothed plate 1 can realize quick mounting and later-stage quick replacement and maintenance.
Through being equipped with resilient pad 9 between steering hinge upper plate 301 and axis of rotation 4, on the one hand, if direct contact between steering hinge upper plate 301 and the axis of rotation 4, steering hinge upper plate 301 is the metal material with axis of rotation 4 and makes, and mutual rotational friction between metal and the metal, the long-time wearing and tearing phenomenon that appears easily between the two that uses leads to connecting between the two inseparable, the influence effect that shifts. On the other hand, the elastic gasket 9 has elasticity, guarantees that the main toothed plate 1 can not tilt after a lot of movements, and strengthens the big displacement ability of main toothed plate 1 in vertical direction, can adapt to more application environment. Specifically, the elastic gasket 9 has a vibration damping effect, so that the main toothed plate 1 can respond to repeated vibration caused by a large traffic flow in the working process of the telescopic seam, the firmness of the main toothed plate 1 is stronger, the damage of loosening and the like of the toothed plate caused by vibration in the common main toothed plate 1 is avoided, and the service life of the main toothed plate 1 is prolonged. The elastic gasket 9 has a reset function, so that the main toothed plate 1 can restore the state before the displacement under the influence of the structure after the displacement movement, the displacement times of the main toothed plate 1 are increased, and the main toothed plate 1 is protected from being easily deformed under the action of external force. In addition, the elastic gasket 9 is arranged to enable the steering hinge upper plate 301 to be tightly connected with the steering hinge 3 lower plate, so that a displacement gap cannot occur, and the phenomenon that dust and the like enter the gap to influence displacement motion can be avoided.
Further, the top of the rotating shaft 4 is set to be a plane, the elastic gasket 9 is arranged on the plane, and the plane structure design at the top of the rotating shaft 4 ensures that the elastic gasket 9 is tightly attached to the rotating shaft 4. The height of the elastic gasket 9 is higher than the distance between the top of the rotating shaft 4 and the steering hinge upper plate 301, so that the elastic gasket 9 is in a compressed state between the rotating shaft 4 and the steering hinge upper plate 301, and the vibration reduction capability and the reset capability of the elastic gasket 9 and the connection tightness between the supporting plate and the main toothed plate 1 are ensured.
Further, as shown in fig. 5, the elastic pad 9 is provided as a pad having a rectangular cross section.
Further, the movable notch 3021 is provided as a notch having a long arc-shaped cross section.
Further, be equipped with first installation notch 303 on the steering hinge upper plate 301, be equipped with the second installation notch 304 of being connected with first installation notch 303 on the steering hinge lower plate 302, be equipped with third installation notch 101 on the main pinion rack 1, be equipped with fourth installation notch 201 on the vice pinion rack 2, be equipped with first support piece 6 in first installation notch 303 and the second installation notch 304, be equipped with second support piece 7 in the third installation notch 101, be equipped with third support piece 8 in the fourth installation notch 201.
The first supporting member 6 and the third supporting member 8 are both U-shaped, and the second supporting member 7 is L-shaped. Through add strutting piece at each pinion rack structure, strengthen fastness and structural stability between main pinion rack 1, vice pinion rack 2 and the bridge concrete.
Still further, as shown in fig. 3, each of the first mounting notch 303, the third mounting notch 101 and the fourth mounting notch 201 includes a first notch 12 and a second notch 13 connected to each other, the first notch 12 is disposed on an upper portion of the second notch 13, a cross-sectional width of the first notch 12 is greater than a cross-sectional width of the second notch 13, and the first support member 6, the second support member 7 and the third support member 8 are fixed in the first notch 12 by the first fastening member 10. First notch 12 is echelonment structural design with second notch 13, and has the butt effort between the first fastener 10, guarantees each support piece to each pinion rack, the fastness of being connected of the 3 boards of steering hinge, and first fastener 10 is located first notch 12 simultaneously, makes the upper surface of each pinion rack and the 3 boards of steering hinge be the plane, prevents that first fastener 10 from appearing the phenomenon of slippage because the protrusion.
Still further, a second fastening member 11 for supporting the steering hinge 3 is arranged on the first supporting member 6 and in the concrete. The second fastening piece 11 has a jacking function on the steering hinge 3 and is matched with the first fastening piece 10 to further strengthen the connection firmness among all the parts.
Further, the lower parts of the steering hinge 3 and the auxiliary toothed plate 2 are provided with anchor rings 5, and the anchor rings 5 are preset in concrete.
Furthermore, the tooth side surfaces of the main tooth plate 1 and the auxiliary tooth plate 2 are all in inclined plane structures which are parallel to each other. During the installation, the tooth portion tip of main pinion rack 1 is connected with the tooth portion tip cooperation of vice pinion rack 2, when taking place lateral displacement rotation change between main pinion rack 1 and the vice pinion rack 2, because the clearance increase between main pinion rack 1 and the vice pinion rack 2, the phenomenon that causes the fishback to damage because of collision each other can not appear when the motion in each pinion rack. It should be noted that the structure of the transverse displacement and rotational change between the main toothed plate 1 and the auxiliary toothed plate 2 is a common structure for those skilled in the art, and need not be described in detail here.
Example 2
The difference from embodiment 1 is that, as shown in fig. 6, the elastic washer 9 is a washer having a semi-arc-shaped cross section. The structural design of the elastic gasket 9 can ensure that the steering hinge upper plate 301 and the rotating shaft 4 are attached more closely, and the vibration reduction and reset effects are better.
The above-mentioned embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.
Claims (10)
1. The utility model provides a multidirectional steering spindle rubber shock attenuation formula fishback expansion joint that shifts, includes main pinion rack, vice pinion rack, its characterized in that: the rear portion of main pinion rack is equipped with a plurality of mounting grooves, every along its horizontal equidistance be equipped with in the mounting groove and turn to the hinge, wear to be equipped with its pivoted axis of rotation relatively in turning to the hinge, the top of axis of rotation is fixed with the lower part of main pinion rack, turn to the hinge including turning to the hinge upper plate, turn to the hinge hypoplastron, turn to the hinge upper plate lock and turn to on the hinge hypoplastron, turn to and be equipped with the activity notch that transversely link up on the hinge hypoplastron, there is the clearance between the wall of axis of rotation and the wall of activity notch, it is equipped with the gasket to turn to between hinge upper plate and the.
2. The rubber shock absorption type comb plate expansion joint of the multi-directional deflection steering shaft according to claim 1, which is characterized in that: the top of the rotating shaft is set to be a plane, the elastic gasket is arranged on the plane, and the height of the elastic gasket is higher than the distance between the top of the rotating shaft and the upper plate of the steering hinge.
3. The multidirectional deflection steering shaft rubber shock absorption type comb plate expansion joint according to claim 2, characterized in that: the elastic gasket is a gasket with a rectangular cross section.
4. The multidirectional deflection steering shaft rubber shock absorption type comb plate expansion joint according to claim 2, characterized in that: the elastic gasket is a gasket with a semi-arc-shaped cross section.
5. The rubber shock absorption type comb plate expansion joint of the multi-directional deflection steering shaft according to claim 1, which is characterized in that: the movable notch is a notch with a long arc-shaped section.
6. The rubber shock absorption type comb plate expansion joint of the multi-directional deflection steering shaft according to claim 1, which is characterized in that: the steering gear box is characterized in that a first mounting notch is formed in the upper steering hinge plate, a second mounting notch connected with the first mounting notch is formed in the lower steering hinge plate, a third mounting notch is formed in the main toothed plate, a fourth mounting notch is formed in the auxiliary toothed plate, a first supporting piece is arranged in the first mounting notch and the second mounting notch, a second supporting piece is arranged in the third mounting notch, and a third supporting piece is arranged in the fourth mounting notch.
7. The multidirectional deflection steering shaft rubber shock absorption type comb plate expansion joint according to claim 6, characterized in that: first installation notch, third installation notch and fourth installation notch all include interconnect's first notch, second notch, the upper portion just of second notch is located to first notch the cross section width of first notch is greater than the cross section width of second notch, first support piece, second support piece, third support piece all fix in first notch through first fastener.
8. The rubber shock absorption type comb plate expansion joint of the multi-directional deflection steering shaft according to claim 6 or 7, which is characterized in that: and a second fastener for supporting the lower plate of the steering hinge is arranged in the concrete on the first supporting piece.
9. The rubber shock absorption type comb plate expansion joint of the multi-directional deflection steering shaft according to claim 1, which is characterized in that: and anchor rings are arranged on the lower parts of the steering hinge and the auxiliary toothed plate and are pre-arranged in concrete.
10. The rubber shock absorption type comb plate expansion joint of the multi-directional deflection steering shaft according to claim 1, which is characterized in that: the side surfaces of the tooth parts of the main toothed plate and the auxiliary toothed plate are inclined plane structures which are parallel to each other.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921002499.4U CN210238277U (en) | 2019-06-28 | 2019-06-28 | Rubber shock-absorbing expansion joint of comb plate for multidirectional deflection steering shaft |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921002499.4U CN210238277U (en) | 2019-06-28 | 2019-06-28 | Rubber shock-absorbing expansion joint of comb plate for multidirectional deflection steering shaft |
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| CN210238277U true CN210238277U (en) | 2020-04-03 |
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| CN201921002499.4U Active CN210238277U (en) | 2019-06-28 | 2019-06-28 | Rubber shock-absorbing expansion joint of comb plate for multidirectional deflection steering shaft |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111809514A (en) * | 2020-07-31 | 2020-10-23 | 成都市长大路桥科技有限公司 | Riding type comb plate expansion device |
-
2019
- 2019-06-28 CN CN201921002499.4U patent/CN210238277U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111809514A (en) * | 2020-07-31 | 2020-10-23 | 成都市长大路桥科技有限公司 | Riding type comb plate expansion device |
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