CN215052063U - Damping displacement expansion joint device - Google Patents
Damping displacement expansion joint device Download PDFInfo
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- CN215052063U CN215052063U CN202121585160.9U CN202121585160U CN215052063U CN 215052063 U CN215052063 U CN 215052063U CN 202121585160 U CN202121585160 U CN 202121585160U CN 215052063 U CN215052063 U CN 215052063U
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- expansion joint
- joint device
- head gasket
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Abstract
The utility model discloses a damping displacement expansion joint device, which comprises a fixed plate and a seam-crossing movable plate, wherein a damping displacement unit is arranged at the rear end of the seam-crossing movable plate and comprises a fixed bottom plate, a damping sleeve, an upper ball head gasket and a connecting piece, the fixed bottom plate is a long strip plate anchored in concrete, and the top end of the connecting piece is arranged at the bottom end of a countersunk hole at the rear end of the seam-crossing movable plate and is connected with the fixed bottom plate; the upper ball head gasket and the damping sleeve are sleeved outside the connecting piece and are vertically overlapped and tightly pressed between the seam crossing movable plate and the fixed bottom plate; and a ball socket head matched with the spherical surface of the upper ball head gasket is arranged at the top of the damping sleeve. The utility model discloses the damping expansion joint device that shifts can shift in the diversely, and shock resistance is good, and small in noise has improved life.
Description
Technical Field
The utility model relates to an expansion joint technical field especially relates to a damping expansion joint device that shifts.
Background
In order to meet the requirement of bridge deck deformation, expansion joints are usually provided between two beam ends, between a beam end and an abutment, or at the hinge joint of a bridge. The bridge expansion joints are capable of accommodating displacements and couplings between the superstructure caused by vehicle loads and bridge building materials. The bridge expansion joint is required to prevent rainwater and garbage and soil from permeating and blocking. At the position of the expansion joint, the handrail and the bridge deck pavement are disconnected. The expansion joint of bridge has a great variety, and wherein, comb-tooth formula multidirectional expansion joint device that shifts has comparatively extensive application.
The existing comb-tooth type multidirectional displacement expansion joint device mostly adopts a displacement hinge shaft to perform corner displacement. The displacement hinge shaft is arranged at the rear part of the seam crossing movable plate through a U-shaped bolt and can displace the seam crossing movable plate at a small swing angle. However, the displacement hinge shaft system is complicated in installation and cannot displace in the bridge width direction, and therefore, the rigidity in this direction is high, the reciprocating impact is easily damaged, and the noise is large.
Therefore, it is necessary to develop a damping displacement expansion joint device aiming at the above defects.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a damping expansion joint device that shifts can shift in the diversified, and shock resistance is good, and small in noise has improved life.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the utility model relates to a damping displacement expansion joint device, which comprises a fixed plate and a seam-crossing movable plate, wherein a damping displacement unit is arranged at the rear end of the seam-crossing movable plate and comprises a fixed bottom plate, a damping sleeve, an upper ball head gasket and a connecting piece, the fixed bottom plate is a long strip plate anchored in concrete, and the top end of the connecting piece is arranged at the bottom end of a countersunk hole at the rear end of the seam-crossing movable plate and is connected with the fixed bottom plate; the upper ball head gasket and the damping sleeve are sleeved outside the connecting piece and are vertically overlapped and tightly pressed between the seam crossing movable plate and the fixed bottom plate; and a ball socket head matched with the spherical surface of the upper ball head gasket is arranged at the top of the damping sleeve.
Furthermore, the connecting piece comprises a screw rod and a locking nut, the bottom end of the screw rod is connected with the fixed bottom plate, and the screw rod vertically upwards extends into the counter sink and is in threaded connection with the locking nut for locking.
Furthermore, the damping sleeve main body is a composite cushion block sleeve and comprises a rubber layer and a laminated steel sheet, the rubber layer and the laminated steel sheet are alternately vulcanized and compounded together, the damping sleeve is a cylinder and is provided with a middle hole, and the middle hole penetrates into the outside of the connecting piece.
Further, a molybdenum disulfide coating is arranged between the ball socket head and the upper ball head gasket.
Further, a cylindrical nut is arranged at the bottom end of the screw rod, a lower ball head gasket is arranged on the cylindrical nut in a cushioning mode, a bottom ball socket is arranged on the bottom surface of the fixing bottom plate, and the spherical surface of the lower ball head gasket is matched in the bottom ball socket.
Furthermore, lubricating grease is filled in the bottom ball socket, and a lubricating oil film is coated between the lower ball head gasket and the matched spherical surface of the bottom ball socket.
Furthermore, a protective end cover is arranged on the outer side of the bottom ball socket and buckled at the edge of the bottom ball socket and seals the bottom ball socket.
Furthermore, the top surface of the seam crossing movable plate is provided with anti-skid lines.
Compared with the prior art, the utility model relates to a damping expansion joint device that shifts's beneficial effect:
the utility model relates to a damping expansion joint device that shifts through setting up the damping unit that shifts striding the rear end of seam fly leaf, the damping unit that shifts includes ball head gasket and ball socket head on the sphere complex, is convenient for when striding the seam fly leaf and receiving unbalanced pressure, shifts along the cooperation sphere multidirectional when the damping cover trace pushes down, offsets the impact force in different positions. The fixing bottom plate anchored in the concrete material is large in anchoring area, so that the connecting strength of the connecting piece is increased conveniently. The utility model discloses the damping expansion joint device that shifts can shift in the diversely, and shock resistance is good, and small in noise has improved life.
In addition, the damping sleeve formed by vulcanizing and compounding the rubber layer and the laminated steel sheet has strong impact resistance, can increase the compressive strength of the damping sleeve and avoid crushing failure. The molybdenum disulfide coating is arranged between the ball socket head and the upper ball head gasket, so that the direct lubricating property of the matched spherical surface is increased, the sliding resistance is reduced, and meanwhile, the friction noise is reduced. Set up to bottom ball socket through the bottom surface cooperation with screw rod bottom for lower bulb gasket and PMKD, with former fixed connection conversion swing joint, when striding seam fly leaf and receiving the side direction impact, slight slope elasticity degeneration can take place for the screw rod, has avoided the impact to destroy, has further improved life.
Drawings
The present invention will be further explained with reference to the following description of the drawings.
FIG. 1 is a schematic view of the top view of the damping displacement expansion joint device of the present invention;
FIG. 2 is a schematic view of the sectional structure of the damping displacement expansion joint device;
FIG. 3 is a schematic cross-sectional view of a damping deflection unit according to an embodiment of the present invention;
fig. 4 is a schematic cross-sectional view of a damping displacement unit according to another embodiment of the present invention.
Description of reference numerals: 1. a fixing plate; 2. a seam crossing movable plate; 201. anti-skid lines; 3. fixing the bottom plate; 301. a base ball socket; 4. a damping sleeve; 401. ball-shaped corn bread; 402. a rubber layer; 403. laminating steel sheets; 5. a ball head gasket is arranged; 6. a screw; 601. a ball head gasket is arranged; 7. locking a nut; 8. a protective cover plate; 9. and a magnet.
Detailed Description
The core of the utility model is to provide a damping expansion joint device that shifts can shift in the diversified, and shock resistance is good, and small in noise has improved life.
In the following, the technical solutions in the embodiments of the present invention will be clearly and completely described with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to the attached drawings, fig. 1 is a schematic view of a top view structure of the damping displacement expansion joint device of the present invention; FIG. 2 is a schematic view of the sectional structure of the damping displacement expansion joint device; FIG. 3 is a schematic cross-sectional view of a damping displacement portion according to an embodiment of the present invention; fig. 4 is a schematic sectional view of a damping displacement portion according to another embodiment of the present invention.
In a specific embodiment, as shown in fig. 1 ~ 4, the utility model discloses damping displacement expansion joint device includes that the broach is arranged relatively fixed plate 1 with stride seam fly leaf 2, broach seam lower part is provided with the stainless steel backing plate, and is provided with the waterproof board above the bridge expansion joint. The utility model discloses the damping expansion joint device that shifts is provided with the damping unit that shifts in the rear end of striding seam fly leaf 2, the damping unit that shifts includes PMKD 3, damping cover 4, goes up bulb gasket 5 and connecting piece. The fixed bottom plate 3 is a long strip plate anchored in concrete, the fixed bottom plate 3 is horizontally arranged, the top end of the connecting piece is arranged in a counter bore at the rear end of the seam crossing movable plate 2, and the bottom end of the connecting piece is connected with the fixed bottom plate 3. The upper ball head gasket 5 and the damping sleeve 4 are sleeved outside the connecting piece and are vertically overlapped and compressed between the seam crossing movable plate 2 and the fixed bottom plate 3. The top of the damping sleeve 4 is provided with a ball socket head 401 which is matched with the spherical surface of the upper ball head gasket 5.
By arranging the damping displacement unit at the rear end of the seam crossing movable plate 2, the damping displacement unit comprises the upper ball head gasket 5 and the ball socket head 401 which are matched with each other through the spherical surface, when unbalanced pressure is applied to the seam crossing movable plate 2, the damping sleeve 4 is pressed down slightly and displaced along the matched spherical surface in multiple directions, and impact forces in different directions are counteracted. The fixing bottom plate 3 anchored in the concrete material has a large anchoring area, so that the connecting strength of the connecting piece is increased. The utility model discloses the damping expansion joint device that shifts can shift in the diversely, and shock resistance is good, and small in noise has improved life.
In a specific embodiment of the utility model, as shown in fig. 2 and 3, the connecting piece includes screw rod 6 and lock nut 7, and screw rod 6 bottom threaded connection or welding are to PMKD 3, and screw rod 6 is vertical upwards to be visited into the counter sink and threaded connection lock nut 7 locks. Obviously, the connecting element can also be a screw which is screwed directly into a threaded hole in the fixed base plate 3. Similar deformation modes all fall into the protection scope of the utility model.
Specifically, as shown in fig. 3, the damping sleeve 4 is a composite cushion block sleeve, the composite cushion block sleeve comprises a rubber layer 402 and a laminated steel sheet 403, the rubber layer 402 and the laminated steel sheet 403 are alternately vulcanized and compounded together, and the damping sleeve 4 is a cylinder and is provided with a middle hole, and the middle hole penetrates outside the connecting piece.
The damping sleeve 4 formed by vulcanizing and compounding the rubber layer 402 and the steel sheet layer 403 has strong impact resistance, can increase the compressive strength of the damping sleeve 4, and avoids crushing failure.
In a specific embodiment of the present invention, a molybdenum disulfide coating is disposed between the ball head 401 and the upper ball head gasket 5.
The molybdenum disulfide coating is arranged between the ball socket head 401 and the upper ball head gasket 5, the direct lubricating property of the matched spherical surface is increased, the sliding resistance is reduced, and meanwhile, the friction noise is reduced.
In a specific embodiment of the present invention, as shown in fig. 4, a cylindrical nut is disposed at the bottom end of the screw rod 6, a lower ball-head gasket 601 is disposed on the cylindrical nut, a bottom ball socket 301 is disposed on the bottom surface of the fixing base plate 3, and the lower ball-head gasket 601 is spherically fitted in the bottom ball socket 301.
Specifically, as shown in fig. 4, the bottom ball socket 301 is filled with lubricating grease, and a lubricating oil film is coated between the lower ball washer 601 and the matching spherical surface of the bottom ball socket 301.
Specifically, as shown in fig. 4, a protective end cap 8 is disposed on the outer side of the bottom ball socket 301, the protective end cap 8 is a plastic cap, and the protective end cap 8 is fastened at the rim of the bottom ball socket 301 and seals the rim.
Set up to lower bulb gasket 601 and PMKD 3's bottom surface cooperation through 6 bottoms of screw rod and set up end ball socket 301, with former fixed connection conversion swing joint, when striding seam fly leaf 2 and receiving the side impact, slight slope elasticity variability can take place for screw rod 6, has avoided the impact to destroy, has further improved life.
In a specific embodiment of the present invention, as shown in fig. 1, an anti-slip pattern 201 is provided on the top surface of the seam-crossing movable plate 2, and the anti-slip pattern 201 is a wave or a triangle. Through the setting of antiskid line 201, the antiskid effect of this device has been increased.
In a specific embodiment of the utility model, as shown in fig. 2, still be provided with magnet 9 in fixed plate 1 and 2 broach strips below striding the seam fly leaf, magnet 9 is right the broach strip front end adsorbs, prevents its perk and noise reduction.
The utility model discloses the damping expansion joint device that shifts through setting up the damping unit that shifts striding the rear end of seam fly leaf 2, the damping unit that shifts includes ball head gasket 5 and ball socket 401 in the sphere complex, is convenient for when striding seam fly leaf 2 and receiving unbalanced pressure, shifts along the cooperation sphere multidirectional when damping cover 4 trace pushes down, offsets the impact force in different positions. The fixing bottom plate 3 anchored in the concrete material has a large anchoring area, so that the connecting strength of the connecting piece is increased. The utility model discloses the damping expansion joint device that shifts can shift in the diversely, and shock resistance is good, and small in noise has improved life. In addition, the damping sleeve 4 formed by vulcanizing and compounding the rubber layer 402 and the laminated steel sheet 403 has strong impact resistance, can increase the compressive strength of the damping sleeve 4, and avoids crushing failure. The molybdenum disulfide coating is arranged between the ball socket head 401 and the upper ball head gasket 5, the direct lubricating property of the matched spherical surface is increased, the sliding resistance is reduced, and meanwhile, the friction noise is reduced. Set up to lower bulb gasket 601 and PMKD 3's bottom surface cooperation through 6 bottoms of screw rod and set up end ball socket 301, with former fixed connection conversion swing joint, when striding seam fly leaf 2 and receiving the side impact, slight slope elasticity variability can take place for screw rod 6, has avoided the impact to destroy, has further improved life.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not 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 (8)
1. A damping displacement expansion joint device comprises a fixed plate (1) and a seam crossing movable plate (2), and is characterized in that a damping displacement unit is arranged at the rear end of the seam crossing movable plate (2), the damping displacement unit comprises a fixed bottom plate (3), a damping sleeve (4), an upper ball head gasket (5) and a connecting piece, the fixed bottom plate (3) is a long strip plate anchored in concrete materials, and the top end of the connecting piece is arranged at the middle bottom end of a countersunk hole at the rear end of the seam crossing movable plate (2) and is connected with the fixed bottom plate (3); the upper ball head gasket (5) and the damping sleeve (4) are sleeved outside the connecting piece and are vertically overlapped and tightly pressed between the seam crossing movable plate (2) and the fixed bottom plate (3); and a ball socket head (401) matched with the spherical surface of the upper ball head gasket (5) is arranged at the top of the damping sleeve (4).
2. The damping displacement expansion joint device as claimed in claim 1, wherein: the connecting piece includes screw rod (6) and lock mother (7), screw rod (6) bottom is connected PMKD (3), screw rod (6) vertically upwards visit into in the counter sink and threaded connection lock mother (7) locking.
3. The expansion joint device with damping displacement as claimed in claim 2, wherein: the damping sleeve (4) is characterized in that the main body of the damping sleeve (4) is a composite cushion block sleeve and comprises a rubber layer (402) and a layer steel sheet (403), the rubber layer (402) and the layer steel sheet (403) are alternately vulcanized and compounded together, the damping sleeve (4) is a cylinder and is provided with a middle hole, and the middle hole penetrates into the outside of the connecting piece.
4. The damping displacement expansion joint device as claimed in claim 1, wherein: and a molybdenum disulfide coating is arranged between the ball socket head (401) and the upper ball head gasket (5).
5. The expansion joint device with damping displacement as claimed in claim 2 or 3, wherein: the bottom end of the screw rod (6) is provided with a cylindrical nut, a lower ball head gasket (601) is arranged on the cylindrical nut in a cushioning mode, a bottom ball socket (301) is arranged on the bottom surface of the fixed bottom plate (3), and the spherical surface of the lower ball head gasket (601) is matched in the bottom ball socket (301).
6. The expansion joint device with damping displacement as claimed in claim 5, wherein: lubricating grease is filled in the bottom ball socket (301), and a lubricating oil film is coated between the lower ball head gasket (601) and the matched spherical surface of the bottom ball socket (301).
7. The expansion joint device with damping displacement as claimed in claim 6, wherein: the outer side of the bottom ball socket (301) is provided with a protective end cover (8), and the protective end cover (8) is buckled at the edge of the bottom ball socket (301) and seals the bottom ball socket.
8. The damping displacement expansion joint device as claimed in claim 1, wherein: and anti-skid grains (201) are arranged on the top surface of the seam crossing movable plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121585160.9U CN215052063U (en) | 2021-07-13 | 2021-07-13 | Damping displacement expansion joint device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121585160.9U CN215052063U (en) | 2021-07-13 | 2021-07-13 | Damping displacement expansion joint device |
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| Publication Number | Publication Date |
|---|---|
| CN215052063U true CN215052063U (en) | 2021-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121585160.9U Active CN215052063U (en) | 2021-07-13 | 2021-07-13 | Damping displacement expansion joint device |
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| CN (1) | CN215052063U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117328584A (en) * | 2023-11-30 | 2024-01-02 | 享城科建(北京)科技发展有限公司 | Connecting piece and assembled building wall |
-
2021
- 2021-07-13 CN CN202121585160.9U patent/CN215052063U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117328584A (en) * | 2023-11-30 | 2024-01-02 | 享城科建(北京)科技发展有限公司 | Connecting piece and assembled building wall |
| CN117328584B (en) * | 2023-11-30 | 2024-03-08 | 享城科建(北京)科技发展有限公司 | Connecting piece and assembled building wall |
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