CN215052061U - Bridge expansion joint protection device - Google Patents
Bridge expansion joint protection device Download PDFInfo
- Publication number
- CN215052061U CN215052061U CN202121505093.5U CN202121505093U CN215052061U CN 215052061 U CN215052061 U CN 215052061U CN 202121505093 U CN202121505093 U CN 202121505093U CN 215052061 U CN215052061 U CN 215052061U
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- Prior art keywords
- plate
- positioning
- expansion joint
- buffer
- protective cover
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 230000001681 protective effect Effects 0.000 claims abstract description 28
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 230000001012 protector Effects 0.000 claims description 10
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 230000035939 shock Effects 0.000 claims description 5
- 230000003139 buffering effect Effects 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 238000007906 compression Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000004566 building material Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The utility model relates to a bridge expansion joint protection device, the key point of the technical proposal is that the device comprises a protection cover and pre-buried connecting pieces pre-buried at two sides of the expansion joint, the protection cover is detachably connected with the pre-buried connecting pieces, the protection cover comprises a middle plate part horizontally arranged and sloping plate parts positioned at two sides of the middle plate part, and the sloping plate parts are inclined downwards from one side of the middle plate part to the outer side; two sides of the lower part of the middle plate part are respectively fixed with a positioning rib plate along the length direction of the protective cover, and the positioning rib plate is provided with a plurality of mounting holes penetrating through the positioning rib plate along the length direction; a buffer plate is arranged on one side of the positioning rib plate, and a plurality of positioning shafts for being inserted into the mounting holes are fixed on one side of the buffer plate along the length direction of the buffer plate; the positioning shaft is sleeved with a buffer spring, and two ends of the buffer spring are respectively abutted against the buffer plate and the positioning rib plate; the end part of the positioning shaft is provided with a limiting block detachably connected with the positioning shaft; the utility model discloses can effectively reduce the vehicle and drive the past time, the vibrations that device self produced.
Description
Technical Field
The utility model relates to a bridge expansion joint construction equipment technical field especially relates to a bridge expansion joint protector.
Background
In the construction of a bridge, in order to meet the requirement of deformation of the bridge deck, expansion joints are usually provided between two beam ends, between a beam end and an abutment, or at the hinge joint of the bridge. Bridge expansion joints play an important role in regulating the displacement and coupling between the superstructure caused by vehicle loads and bridge building materials. In order to reduce the influence of the bridge expansion joints on passing vehicles and pedestrians, a protection device needs to be arranged at the bridge expansion joints.
The bridge expansion joint protection device generally comprises a protection plate or a protection cover and embedded parts embedded at two sides of the bridge expansion joint. The protective cover or the protective cover is fixed on the embedded part through bolt connection, and then the bridge expansion joint is protected. Because the vehicle can cause the vibration impact to guard plate or protection casing when driving, and then the vehicle can produce great noise when driving to cause the bolt not hard up easily, and then influence the normal use of guard plate or guard plate.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a bridge expansion joint protector can effectively reduce the vehicle and drive out of the way, the vibrations that device self produced.
The above technical purpose of the present invention can be achieved by the following technical solutions: a bridge expansion joint protection device comprises a protection cover and pre-buried connecting pieces pre-buried at two sides of an expansion joint, wherein the protection cover is detachably connected with the pre-buried connecting pieces, the protection cover comprises a middle plate part horizontally arranged and inclined plate parts positioned at two sides of the middle plate part, and the inclined plate parts are inclined downwards from one side of the middle plate part to the outer side; positioning rib plates along the length direction of the protective cover are respectively fixed on two sides of the lower part of the middle plate part, and a plurality of mounting holes penetrating through the positioning rib plates are formed in the positioning rib plates along the length direction of the positioning rib plates; a buffer plate is arranged on one side of the positioning rib plate, and a plurality of positioning shafts for being inserted into the mounting holes are fixed on one side of the buffer plate along the length direction of the buffer plate; the positioning shaft is sleeved with a buffer spring, and two ends of the buffer spring are respectively abutted against the buffer plate and the positioning rib plate; the tip of location axle is provided with the stopper of dismantling the connection with the location axle.
Through the technical scheme, the cross section of the main body of the protective cover is in a trapezoid shape with a large lower part and a narrow upper part, so that the passing vehicle can be subjected to speed reduction prompt, and the passing vehicle can conveniently pass; through the inside location muscle of arranging the expansion joint in and mechanisms such as buffer board, when the vehicle drove over the protection casing, the buffer board can take place the micro displacement of horizontal direction, and reverse effort is applyed to the buffer board to the expansion joint lateral wall, and then carries out the energy-absorbing through buffer spring's compression to reduce the vibrations to the protection casing.
Preferably, the position of the mounting hole of the positioning rib plate is provided with a positioning groove for positioning the buffer spring.
Through above-mentioned technical scheme, through locating the constant head tank in the mounting hole position department, and then arrange the constant head tank in through the tip with buffer spring, and then utilize the constant head tank to fix a position buffer spring, and then reduce buffer spring's distortion in compression process.
Preferably, a cushion rubber pad for contacting and buffering with the side wall of the expansion joint is fixed on one side of the positioning rib plate.
Through above-mentioned technical scheme, through set up rubber buffer pad on the side at location gusset, and then can carry out the contact buffering to location gusset and expansion joint lateral wall.
Preferably, a connecting screw hole is formed in the end face of the positioning shaft, and a connecting stud bolt which is in threaded connection with the connecting screw hole is fixed to one side of the limiting block.
Through the technical scheme, the limiting blocks are matched with the connecting screw holes through the connecting studs, and then are installed at the end parts of the positioning shafts, so that the limiting blocks can be conveniently and quickly installed and detached with the positioning shafts.
Preferably, the lower part of the protective cover is provided with a plurality of transverse reinforcing rib plates arranged along the width direction of the protective cover, and the transverse reinforcing rib plates are fixedly connected with the middle plate part and the inclined plate part.
Through above-mentioned technical scheme, through a plurality of horizontal deep floor that set up in the protection casing lower part, and then support the protection casing to can strengthen the structural strength of protection casing, and then effectively reduce the structural deformation of protection casing in the use.
Preferably, the protective cover further comprises a connecting plate part positioned at the lower end of the inclined plate part, and a plurality of step holes are formed in the upper part of the connecting plate part along the length direction of the connecting plate part; a plurality of mounting threaded holes are formed in the upper portion of the embedded connecting piece along the length direction of the embedded connecting piece, and the mounting threaded holes correspond to the step holes one to one.
Through above-mentioned technical scheme, the protection casing is through the step hole on its connecting plate portion, and then utilizes bolted connection to be connected the protection casing with pre-buried connecting piece fixedly to firm fix the protection casing in expansion joint position department.
Preferably, a plurality of rubber shock absorption strips are fixed on the upper surface of the protective cover.
Through above-mentioned technical scheme, set up the rubber shock strip through the upper surface at the protection casing, and then effectively reduce the vibration impact to the protection casing when the vehicle passes by the protection casing.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
FIG. 1 is a schematic view of a bridge expansion joint protection device
Fig. 2 is a schematic structural view of the protective cover.
Fig. 3 is a partially enlarged view of a in fig. 1.
Fig. 4 is a top view of the shield.
Fig. 5 is a schematic structural view of a buffer plate mounting structure.
Fig. 6 is a schematic structural diagram showing a connection relationship between the limiting block and the positioning shaft.
Wherein, 1, a protective cover; 11. an intermediate plate portion; 12. a ramp portion; 13. a connecting plate portion; 131. a stepped bore; 2. pre-burying a connecting piece; 21. installing a threaded hole; 3. a rubber shock-absorbing strip; 4. transverse reinforcing rib plates; 5. positioning a rib plate; 51. mounting holes; 52. positioning a groove; 6. a buffer plate; 7. positioning the shaft; 71. a connecting screw hole; 8. a buffer spring; 9. a limiting block; 91. connecting a stud; 10. and a cushion rubber pad.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Example (b):
a bridge expansion joint protection device, hereinafter referred to as protection device, refers to 1 and 2, and comprises a protection cover 1 and pre-embedded connecting pieces 2 pre-embedded on two sides of the expansion joint. The protective cover 1 comprises a middle plate part 11 arranged horizontally and sloping plate parts 12 positioned at both sides of the middle plate part 11, wherein the sloping plate parts 12 incline downwards from one side of the middle plate part 11 to the outside; the lower end of the inclined plate 12 is provided with a connecting plate 13. Two connecting plate parts 13 of the protective cover 1 are respectively and fixedly connected with the embedded connecting pieces 2 at two sides of the bridge expansion joint. The upper surface of the protective cover 1 is fixed with a plurality of rubber shock absorption strips 3. The whole section structure of the protective cover 1 is trapezoidal, so that the vehicle can be subjected to speed reduction prompt, and the vehicle can conveniently drive. Through setting up rubber shock strip 3 on protection casing 1 upper portion, can effectively reduce the vehicle and pass through, to protector's impact.
Referring to fig. 1 and 2, a plurality of transverse reinforcing ribs 4 are arranged along the width direction of the protective cover 1 at the lower part of the protective cover 1, and the transverse reinforcing ribs 4 are fixedly connected with a middle plate part 11 and a sloping plate part 12. Two sides of the lower part of the middle plate part 11 are respectively fixed with a positioning rib plate 5 along the length direction of the protective cover 1, and the positioning rib plates 5 are vertically crossed with the transverse reinforcing rib plates 4. The protective cover 1 is supported by the transverse reinforcing rib plates 4 and the positioning rib plates 5, so that the protective cover 1 has good structural strength and is not easy to deform in use. When the protective cover 1 is arranged at the set position, the positioning rib plate 5 extends into the bridge expansion joint.
Referring to fig. 3 and 4, a plurality of step holes 131 are formed in the upper portion of the connecting plate portion 13 along the length direction of the connecting plate portion 13; the upper portion of pre-buried connecting piece 2 has seted up a plurality of installation screw hole 21 along its length direction, and installation screw hole 21 and step hole 131 one-to-one correspond. The protection cover 1 is fixed at the position of the bridge expansion joint by installing a bolt which is in threaded engagement with the mounting threaded hole 21 into the stepped hole 131 and further connecting the bolt.
Referring to fig. 1 and 5, the positioning rib plate 5 is provided with a plurality of mounting holes 51 penetrating through the positioning rib plate 5 along the length direction thereof. One side of the positioning rib plate 5 is provided with a buffer plate 6, and one side of the buffer plate 6 is fixed with a plurality of positioning shafts 7 which are used for being inserted into the mounting holes 51 along the length direction of the buffer plate 6. The positioning shaft 7 is sleeved with a buffer spring 8, and a positioning groove 52 for placing and positioning the buffer spring 8 is formed in the position of the mounting hole 51 of the positioning rib plate 5. One end of the damper spring 8 is placed in the positioning groove 52 and abuts against the groove bottom surface of the positioning groove 52, and the other end of the damper spring 8 abuts against the damper plate 6. And a cushion rubber pad 10 for contacting and buffering with the side wall of the expansion joint is fixed on one side of the positioning rib plate 5. When the vehicle passes through the protection cover 1, the protection cover 1 generates micro displacement under the impact force of the vehicle, and then the buffer plate 6 on one side of the protection cover 1 applies force to the side wall of the expansion joint. Reverse acting force is exerted to buffer board 6 at the expansion joint lateral wall, and then carries out the energy-absorbing through buffer spring 8's compression to reduce the vibrations to protection casing 1.
Referring to fig. 6, a connecting screw hole 71 is formed on an end surface of the positioning shaft 7, and a connecting stud 91 for being in threaded connection with the connecting screw hole 71 is fixed on one side of the limit block 9. The limiting block 9 is matched with the connecting screw hole 71 through the connecting stud 91, and then is installed at the end part of the positioning shaft 7, so that the limiting block can be conveniently and quickly installed and detached with the positioning shaft 7.
Although some specific embodiments of the present invention have been described in detail by way of illustration, it should be understood by those skilled in the art that the above illustration is only for purposes of illustration and is not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
Claims (7)
1. The utility model provides a bridge expansion joint protector, includes protection casing (1) and pre-buried in pre-buried connecting piece (2) of expansion joint both sides, protection casing (1) can dismantle with pre-buried connecting piece (2) and be connected its characterized in that: the protective cover (1) comprises a middle plate part (11) which is horizontally arranged and inclined plate parts (12) which are positioned at two sides of the middle plate part (11), wherein the inclined plate parts (12) incline downwards from one side of the middle plate part (11) to the outside; two sides of the lower part of the middle plate part (11) are respectively fixed with a positioning rib plate (5) along the length direction of the protective cover (1), and the positioning rib plate (5) is provided with a plurality of mounting holes (51) penetrating through the positioning rib plate (5) along the length direction; a buffer plate (6) is arranged on one side of the positioning rib plate (5), and a plurality of positioning shafts (7) which are used for being inserted into the mounting holes (51) are fixed on one side of the buffer plate (6) along the length direction of the buffer plate (6); the positioning shaft (7) is sleeved with a buffer spring (8), and two ends of the buffer spring (8) are respectively abutted against the buffer plate (6) and the positioning rib plate (5); the end part of the positioning shaft (7) is provided with a limiting block (9) detachably connected with the positioning shaft (7).
2. The bridge expansion joint protector of claim 1, wherein: and a positioning groove (52) for placing and positioning the buffer spring (8) is formed in the position of the mounting hole (51) of the positioning rib plate (5).
3. The bridge expansion joint protector of claim 1, wherein: and a buffer rubber pad (10) for contacting and buffering with the side wall of the expansion joint is fixed on one side of the positioning rib plate (5).
4. The bridge expansion joint protector of claim 1, wherein: the end face of the positioning shaft (7) is provided with a connecting screw hole (71), and one side of the limiting block (9) is fixed with a connecting stud (91) which is in threaded connection with the connecting screw hole (71).
5. The bridge expansion joint protector as claimed in any one of claims 1 to 4, wherein: the protective cover is characterized in that a plurality of transverse reinforcing rib plates (4) arranged along the width direction of the protective cover (1) are arranged on the lower portion of the protective cover (1), and the transverse reinforcing rib plates (4) are fixedly connected with the middle plate portion (11) and the inclined plate portion (12).
6. The bridge expansion joint protector as claimed in any one of claims 1 to 4, wherein: the protective cover (1) further comprises a connecting plate part (13) positioned at the lower end of the inclined plate part (12), and a plurality of step holes (131) are formed in the upper part of the connecting plate part (13) along the length direction of the connecting plate part (13); a plurality of mounting threaded holes (21) are formed in the upper portion of the embedded connecting piece (2) along the length direction of the embedded connecting piece, and the mounting threaded holes (21) correspond to the step holes (131) one to one.
7. The bridge expansion joint protector as claimed in any one of claims 1 to 4, wherein: the upper surface of the protective cover (1) is fixed with a plurality of rubber shock absorption strips (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121505093.5U CN215052061U (en) | 2021-07-02 | 2021-07-02 | Bridge expansion joint protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121505093.5U CN215052061U (en) | 2021-07-02 | 2021-07-02 | Bridge expansion joint protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215052061U true CN215052061U (en) | 2021-12-07 |
Family
ID=79227593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121505093.5U Expired - Fee Related CN215052061U (en) | 2021-07-02 | 2021-07-02 | Bridge expansion joint protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215052061U (en) |
-
2021
- 2021-07-02 CN CN202121505093.5U patent/CN215052061U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211207 |