CN220183801U - Four-bar linkage control device for expansion joint - Google Patents
Four-bar linkage control device for expansion joint Download PDFInfo
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- CN220183801U CN220183801U CN202321739817.1U CN202321739817U CN220183801U CN 220183801 U CN220183801 U CN 220183801U CN 202321739817 U CN202321739817 U CN 202321739817U CN 220183801 U CN220183801 U CN 220183801U
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- expansion joint
- wall
- connecting plate
- bar
- control device
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- 238000001125 extrusion Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 9
- 230000003139 buffering effect Effects 0.000 description 8
- 230000035939 shock Effects 0.000 description 4
- 238000013016 damping Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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Abstract
The utility model discloses a four-bar linkage control device for expansion joints, which relates to the technical field of bridge expansion joints and comprises a first expansion joint, wherein one end of the first expansion joint is connected with a joint plate in a clamping way, and a sliding rod and a telescopic rod are arranged.
Description
Technical Field
The utility model relates to the technical field of bridge expansion joints, in particular to a four-bar control device for an expansion joint.
Background
The bridge expansion joint is to meet the requirement of bridge deck deformation, and is generally a modular expansion joint for a large-span bridge by arranging the expansion joint between two beam ends, between a beam end and a bridge abutment or at the hinge position of the bridge.
The utility model discloses a control expansion joint center sill equidistant double-link mechanism, including setting up first connecting rod and the second connecting rod that are connected through the pivot under the center sill, the free end of first connecting rod and second connecting rod is rotated with the round pin axle of anchor in concrete and is connected, equidistant being provided with many slide bars on first connecting rod and the second connecting rod, all center sill respectively through a spout rather than being connected with slide bar matching connection, the bridge expansion joint of this structure, the interval of all center sill is controlled through double-link mechanism, compares with the interval of traditional center sill through elastic control element control, can accurately guarantee that the interval between the center sill is unanimous to this structure is changed conveniently, maintains simply, can improve the durability of bridge expansion joint greatly.
But this four-bar linkage controlling means for expansion joint is when using, often carries out buffering shock attenuation to the expansion joint through simple elastomeric element between the expansion joint for elastomeric element can appear wearing and tearing the condition when using for a long time, reduces the problem of buffering shock attenuation effect between the expansion joint.
In view of the above, an improvement of the conventional structure has been made, and a four-bar control device for an expansion joint has been proposed.
Disclosure of Invention
The utility model aims to provide a four-bar linkage control device for an expansion joint, which solves the problem that the expansion joint is often buffered and damped by a simple elastic part in the background art, so that the elastic part can be worn when being used for a long time.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a four-bar linkage controlling means for expansion joint, includes first expansion joint, the one end block of first expansion joint is connected with the joint board, the one end block of joint board is connected with the second expansion joint that is located first expansion joint one side, the one end block of first expansion joint is connected with the connecting plate, the outer wall fixedly connected with head rod of connecting plate, the outer wall swivelling joint of head rod has the dwang, the one end swivelling joint of dwang has the second connecting rod, the outer wall fixedly connected with of second connecting rod and the sliding rod of joint board outer wall sliding connection, the outer wall fixedly connected with telescopic link of head rod, the outer wall of telescopic link has cup jointed the spring.
Further, the outer wall of the connecting plate is provided with a nut, the inner wall of the nut is in threaded connection with a bolt which is in sliding connection with the outer wall of the first expansion joint, and a clamping groove is formed in the connecting part of the outer wall of the first expansion joint and the bolt.
Further, the connecting plates are provided with two groups, and the position distribution of the two groups of connecting plates is symmetrical with respect to the central axis of the connecting plate.
Further, the sliding rod forms a reciprocating sliding structure through the rotating rod, the second connecting rod and the connecting plate, the rotating rod is provided with two groups, and the position distribution of the two groups of rotating rods is symmetrical with respect to the central axis of the first connecting rod.
Further, the spring forms an extrusion structure through the connecting plate and the telescopic rod.
Further, the nuts and the bolts are provided with four groups, and the positions of the nuts and the bolts are distributed around the connecting plate.
Further, the first expansion joint forms a clamping structure with the connecting plate through the bolt and the clamping groove.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, through the arrangement of the sliding rod and the telescopic rod, when the first expansion joint and the second expansion joint are installed and connected on a bridge, the first expansion joint can be installed in the joint plate through bolts in order to improve the impact buffering and damping effect between the connection joints, when the first expansion joint and the second expansion joint receive opposite impact force, the rotary rod is driven to rotate through the connection of the connecting plate and the first connecting rod, the rotary rod is driven to perform telescopic motion along the outer wall of the joint plate through the connection of the second connecting rod, meanwhile, the telescopic rod and the spring are reciprocally extruded to play a role in effectively unloading the impact force received by the expansion joints, and the control operation of improving the buffering and damping effect between the expansion joints is realized when the bridge expansion joints are connected;
2. according to the utility model, through the arrangement of the clamping groove, when the expansion joint is required to be buffered and damped, the first expansion joint can be attached to the connecting plate, the bolt is rotated, and the bolt enters the clamping groove through the effect of the nut, so that the clamping and fixing effects on the first expansion joint are achieved, and the control operation of buffering and installing convenience on the expansion joint is improved when the bridge expansion joint is used.
Drawings
FIG. 1 is a schematic view of a first view angle structure according to the present utility model;
FIG. 2 is a schematic view of a second view angle structure according to the present utility model;
FIG. 3 is a schematic view showing the internal structure of a connector board according to the present utility model;
FIG. 4 is a schematic diagram of a cross-sectional connection structure of a bolt and a clamping groove according to the present utility model.
In the figure: 1. a first expansion joint; 2. a second expansion joint; 3. a splice plate; 4. a connecting plate; 5. a first connecting rod; 6. a rotating lever; 7. a second connecting rod; 8. a slide bar; 9. a telescopic rod; 10. a spring; 11. a nut; 12. a bolt; 13. a clamping groove.
Detailed Description
The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
As shown in fig. 1-3, a four-bar linkage control device for expansion joints comprises a first expansion joint 1, one end of the first expansion joint 1 is connected with a connecting plate 3, one end of the connecting plate 3 is connected with a second expansion joint 2 positioned on one side of the first expansion joint 1, one end of the first expansion joint 1 is connected with a connecting plate 4, the outer wall of the connecting plate 4 is fixedly connected with a first connecting bar 5, the outer wall of the first connecting bar 5 is rotationally connected with a rotating bar 6, one end of the rotating bar 6 is rotationally connected with a second connecting bar 7, the outer wall of the second connecting bar 7 is fixedly connected with a sliding bar 8 which is slidably connected with the outer wall of the connecting plate 3, the outer wall of the first connecting bar 5 is fixedly connected with a telescopic bar 9, and the outer wall of the telescopic bar 9 is sleeved with a spring 10.
Further, the two groups of connecting plates 4 are arranged, the position distribution of the two groups of connecting plates 4 is symmetrical about the central axis of the connecting plate 3, and the control operation on the relative movement of the first expansion joint 1 and the second expansion joint 2 is realized by arranging the two groups of connecting plates 4 with the position distribution symmetrical about the central axis of the connecting plate 3.
Further, the sliding rod 8 forms a reciprocating sliding structure between the rotating rod 6 and the second connecting rod 7 and the connecting plate 3, the rotating rod 6 is provided with two groups, the position distribution of the two groups of rotating rods 6 is symmetrical with respect to the central axis of the first connecting rod 5, the sliding rod 8 is driven to slide along the outer wall of the connecting plate 3 by the connection of the second connecting rod 7, and the effective force unloading control operation of the force applied to the first expansion joint 1 is realized.
Further, the spring 10 forms an extrusion structure between the connecting plate 4 and the telescopic rod 9, so that the connection of the connecting plate 4 can extrude the spring 10 through the movement of the telescopic rod 9, and the control operation of improving the buffering and damping effects between the expansion joints is realized when the bridge expansion joints are connected.
Example two
As shown in fig. 1, fig. 2 and fig. 4, in comparison with the first embodiment, the four-bar control device for an expansion joint according to the present utility model is provided with the nut 11 on the outer wall of the connecting plate 4, the bolt 12 slidably connected with the outer wall of the first expansion joint 1 is screwed on the inner wall of the nut 11, the clamping groove 13 is provided on the connection part between the outer wall of the first expansion joint 1 and the bolt 12, and when the expansion joint is required to be cushioned, the clamping groove 13 is provided, so that the first expansion joint 1 can be firstly attached to the connecting plate 4, the bolt 12 is turned, the bolt 12 enters into the clamping groove 13 under the action of the nut 11, so as to perform the clamping and fixing functions on the first expansion joint 1, and control operation for improving the cushion installation convenience of the expansion joint when the bridge expansion joint is used is realized.
Further, the nuts 11 and the bolts 12 are provided with four groups, the positions of the four groups of nuts 11 and the bolts 12 are distributed around the connecting plate 3, and the control operation for improving the connection stability between the first expansion joint 1 and the second expansion joint 2 and the connecting plate 4 is realized by arranging the four groups of nuts 11 and the bolts 12 with the positions distributed around the connecting plate 3.
Further, the first expansion joint 1 forms a clamping structure with the connecting plate 4 through the bolt 12 and the clamping groove 13, so that the bolt 12 can slide along the inner wall of the clamping groove 13 to drive the first expansion joint 1 to perform clamping and fixing movement with the connecting plate 4, and the control operation of buffer installation convenience of the expansion joint is improved when the bridge expansion joint is used.
Working principle: when using this four-bar linkage controlling means for expansion joint, firstly, when carrying out the erection joint on the bridge to first expansion joint 1 and second expansion joint 2, in order to improve the effect of collision buffering shock attenuation between the connection seam, can install first expansion joint 1 in the joint board 3 through bolt 12, when first expansion joint 1 and second expansion joint 2 receive relative impact force, through the connection of connecting plate 4 and first connecting rod 5, drive dwang 6 and rotate, the rotation of dwang 6 passes through the connection of second connecting rod 7, drive slide bar 8 and carry out telescopic motion along the outer wall of joining plate 3, simultaneously, carry out reciprocating extrusion to telescopic link 9 and spring 10, play the effect of effectively unloading the impact force that receives to the expansion joint, realize when connecting the bridge expansion joint, improve the control operation of buffering shock attenuation effect between the expansion joint.
Finally, when the expansion joint needs to be buffered and damped, the first expansion joint 1 can be attached to the connecting plate 4, the bolt 12 is rotated, the bolt 12 enters the clamping groove 13 through the action of the nut 11, the first expansion joint 1 is clamped and fixed, and the control operation of buffer installation convenience of the expansion joint is improved when the bridge expansion joint is used.
This is the working principle of the four-bar linkage control device for the expansion joint.
The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (7)
1. The utility model provides a four-bar linkage controlling means for expansion joint, includes first expansion joint (1), a serial communication port, the one end block of first expansion joint (1) is connected with adapter plate (3), the one end block of adapter plate (3) is connected with second expansion joint (2) that are located first expansion joint (1) one side, the one end block of first expansion joint (1) is connected with connecting plate (4), the outer wall fixedly connected with head rod (5) of connecting plate (4), the outer wall swivelling joint of head rod (5) has dwang (6), the one end swivelling joint of dwang (6) has second connecting rod (7), the outer wall fixedly connected with of second connecting rod (7) and adapter plate (3) outer wall sliding connection's slide bar (8), the outer wall fixedly connected with telescopic link (9) of head rod (5), the outer wall of telescopic link (9) has cup jointed spring (10).
2. The four-bar linkage control device for the expansion joint according to claim 1, wherein a nut (11) is arranged on the outer wall of the connecting plate (4), a bolt (12) which is in sliding connection with the outer wall of the first expansion joint (1) is connected with the inner wall of the nut (11) in a threaded manner, and a clamping groove (13) is formed in the connection part between the outer wall of the first expansion joint (1) and the bolt (12).
3. The four-bar linkage control device for the expansion joint according to claim 1, wherein two groups of connecting plates (4) are arranged, and the position distribution of the two groups of connecting plates (4) is symmetrical with respect to the central axis of the connecting plate (3).
4. The four-bar linkage control device for the expansion joint according to claim 1, wherein the sliding bar (8) forms a reciprocating sliding structure with the connecting plate (3) through a rotating bar (6) and a second connecting bar (7), the rotating bar (6) is provided with two groups, and the position distribution of the two groups of rotating bars (6) is symmetrical with respect to the central axis of the first connecting bar (5).
5. The four-bar linkage control device for the expansion joint according to claim 1, wherein the spring (10) forms an extrusion structure between the connecting plate (4) and the expansion rod (9).
6. The four-bar linkage control device for the expansion joint according to claim 2, wherein the nuts (11) and the bolts (12) are provided with four groups, and the positions of the four groups of nuts (11) and the bolts (12) are distributed around the connecting plate (3).
7. The four-bar linkage control device for the expansion joint according to claim 2, wherein the first expansion joint (1) forms an engagement structure with the connecting plate (4) through the bolt (12) and the clamping groove (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321739817.1U CN220183801U (en) | 2023-07-05 | 2023-07-05 | Four-bar linkage control device for expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321739817.1U CN220183801U (en) | 2023-07-05 | 2023-07-05 | Four-bar linkage control device for expansion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220183801U true CN220183801U (en) | 2023-12-15 |
Family
ID=89101578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321739817.1U Active CN220183801U (en) | 2023-07-05 | 2023-07-05 | Four-bar linkage control device for expansion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220183801U (en) |
-
2023
- 2023-07-05 CN CN202321739817.1U patent/CN220183801U/en active Active
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