CN207582319U - A kind of pre-stressed bridge deflection adjusting device based on municipal bridge field - Google Patents
A kind of pre-stressed bridge deflection adjusting device based on municipal bridge field Download PDFInfo
- Publication number
- CN207582319U CN207582319U CN201721649057.XU CN201721649057U CN207582319U CN 207582319 U CN207582319 U CN 207582319U CN 201721649057 U CN201721649057 U CN 201721649057U CN 207582319 U CN207582319 U CN 207582319U
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- CN
- China
- Prior art keywords
- bridge
- jack
- deflection
- adjusting device
- connecting pole
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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.)
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Abstract
The utility model discloses a kind of pre-stressed bridge deflection adjusting devices based on municipal bridge field,Its structure includes pedestal,Jack,Connecting pole,Adjuster,Hoist cable,King-post,Saddle,Main rope,Buckstay,Connecting pole lower end is mutually perpendicular to jack upper end,Buckstay lower end is equipped with adjuster,Saddle is integrated with king-post,Hoist cable upper end is connected with main rope,Jack is by ground beam,Bearing,Column,Compressed spring,Crossbeam,Press beam forms,Ground beam insertion is connected in bearing,A kind of pre-stressed bridge deflection adjusting device based on municipal bridge field of the utility model,Structure is internally provided with compressed spring equipped with jack,With prevention deflection of bridge span it is excessive or it is too small cause bridge crack consequence,Staff can effectively be made to adjust deflection of bridge span to suitable for camber,Suitable deflection of bridge span can be reached by the compressed spring bridge on jack,So as to ensure the safety of bridge,Practicability is higher.
Description
Technical field
The utility model is a kind of pre-stressed bridge deflection adjusting device based on municipal bridge field, belongs to municipal bridge
Technical field.
Background technology
Concrete-bridge has the advantages of place is adaptable, and span ability is big, however most of concrete-bridges exist
The problem of post deflection is excessive, for this purpose, people have made the exploration of number of ways, it is believed that by apply external prestressing be adjust it is mixed
One of one of effective ways of solidifying soil bridge post deflection, external prestressing technique, effective means as bridge strengthening, are got over
It is more widely used in bridge construction and maintenance engineering, external prestressing technique has compared with other common reinforcement means
Reduce the excessive amount of deflection of structure, inside release component the advantages of excessive stress.
Prior art discloses application No. is：201420316083.0 a kind of pre-stressed bridge deflection adjusting device, packet
Include the presstressed reinforcing steel being fixedly connected between two bridge piers and the prestressing force tune for applying pulling force to presstressed reinforcing steel along bridge lateral
Save mechanism, prestressing force regulating mechanism include being sheathed on presstressed reinforcing steel it is outer and can along prestressing force longitudinal sliding motion sleeve, be articulated with set
Cylinder and stretch out outside girder case pull rod, be fixedly connected on the anchorage of pull rod outer end and branch peaks at the jack of anchorage and bridge bottom plate
Group, jack group includes at least one hydraulic jack and at least one screw jack, but the prior art is in work people
When member uses deflection adjusting device, adjusting deflection of bridge span effect is poor, and bridge is caused to have not been able to reach suitable amount of deflection.
Utility model content
In view of the deficienciess of the prior art, the utility model aim be to provide it is a kind of based on municipal bridge field it is pre- should
Power deflection of bridge span regulating device with the prior art of solution when staff uses deflection adjusting device, adjusts deflection of bridge span
Effect is poor, the problem of bridge is caused to have not been able to reach suitable amount of deflection.
To achieve these goals, the utility model is to realize by the following technical solutions：One kind is based on municipal bridge
The pre-stressed bridge deflection adjusting device in beam field, structure include pedestal, jack, connecting pole, adjuster, hoist cable, king-post,
Saddle, main rope, buckstay, the pedestal upper end fit with jack lower end, the connecting pole lower end and jack upper end phase
Mutually vertical, the buckstay lower end is equipped with adjuster, and the saddle is integrated with king-post, the hoist cable upper end and main rope
It is connected, the jack is made of ground beam, bearing, column, compressed spring, crossbeam, press beam, and the ground beam insertion is connected to branch
In seat, the bearing upper end is mutually parallel with crossbeam lower end, and the compressed spring upper end is equipped with crossbeam, the upper end of the column and pressure
Beam lower end is mutually perpendicular to, and the ground beam is mutually parallel with column.
Further, the king-post lower end is mutually perpendicular to connecting pole.
Further, the connecting pole upper end fits with buckstay lower end.
Further, the press beam upper end fits with connecting pole lower end.
Further, a length of 30m of the saddle, width 25m, the cuboid of a height of 20m.
Further, the buckstay material is that mixed territory increases intensity and durability.
Further, the compressed spring material is steel wire, has the function of that elasticity is strong, resistance to stress is high.
Advantageous effect
A kind of pre-stressed bridge deflection adjusting device based on municipal bridge field of the utility model, structure are equipped with very heavy
Top be internally provided with compressed spring, have prevention deflection of bridge span it is excessive or it is too small cause bridge crack consequence, can be effective
Staff is made to adjust deflection of bridge span to suitable for camber, can reach suitable by the compressed spring bridge on jack
Deflection of bridge span, so as to ensure the safety of bridge, practicability is higher.
Description of the drawings
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model
Sign, objects and advantages will become more apparent upon：
Fig. 1 is a kind of structural representation of the pre-stressed bridge deflection adjusting device based on municipal bridge field of the utility model
Figure；
Fig. 2 is the cross-sectional view of the utility model jack.
In figure：Pedestal -1, jack -2, connecting pole -3, adjuster -4, hoist cable -5, king-post -6, saddle -7, main rope -8, just
Property beam -9, ground beam -201, bearing -202, column -203, compressed spring -204, crossbeam -205, press beam -206.
Specific embodiment
To be easy to understand technical means, creative features, achievable purpose and effectiveness of the utility model, below
With reference to specific embodiment, the utility model is expanded on further.
It please refers to Fig.1, Fig. 2, the utility model provides a kind of prestressed bridge beam deflection based on municipal bridge field and adjusts
Device technique scheme：Its structure include pedestal 1, jack 2, connecting pole 3, adjuster 4, hoist cable 5, king-post 6, saddle 7, main rope 8,
Buckstay 9,1 upper end of pedestal fit with 2 lower end of jack, and 3 lower end of connecting pole is mutually hung down with 2 upper end of jack
Directly, 9 lower end of buckstay is equipped with adjuster 4, and the saddle 7 is integrated with king-post 6,5 upper end of hoist cable and master
Rope 8 is connected, and the jack 2 is by ground beam 201, bearing 202, column 203, compressed spring 204, crossbeam 205,206 groups of press beam
Into the insertion of ground beam 201 is connected in bearing 202, and 202 upper end of bearing is mutually parallel with 205 lower end of crossbeam, the pressure
204 upper end of contracting spring is equipped with crossbeam 205, and 203 upper end of column is mutually perpendicular to 206 lower end of press beam, and the ground beam 201 is with standing
Column 203 is mutually parallel, and 6 lower end of king-post is mutually perpendicular to connecting pole 3, and 3 upper end of connecting pole is affixed with 9 lower end of buckstay
It closes, 206 upper end of press beam fits with 3 lower end of connecting pole, and 7 a length of 30m of saddle, width 25m, a height of 20m's is rectangular
Body, 9 material of buckstay are that mixed territory increases intensity and durability, and 204 material of compressed spring is steel wire, has elasticity
By force, the high effect of resistance to stress.
Compressed spring 204 described in this patent is subject to the helical spring to pressure, and the material section used in it is mostly to justify
Shape, also useful rectangle and multiply steel entangle what is rolled, spring is generally equal pitch, and the shape of compressed spring has：Cylindrical, circular cone
Shape, camber and middle concave and on a small quantity non-circular etc., have certain gap, when by outer between the circle and circle of compressed spring
Spring contraction deforms during load, stores deformation energy, and the hoist cable 5 is to be used for steel wire rope or synthetic fibers etc. for what raw material was made
The rope of lifting is called span rope or jack line, sling, for connecting crane hook and by hanging device.
2 upper end of jack and 3 lower end of connecting pole are fitted when being used, adjusting bridge is needed to scratch in staff
When spending, the compressed spring 204 in jack 2 is adjusted by adjuster 4 and increases or reduces, press beam 206 passes through connecting pole 3
Buckstay 9 is adjusted so that the amount of deflection for causing bridge adjusts the consequence that suitable camber, can effectively prevent bridge cracking,
The safety of bridge is effectively ensured.
The utility model solve the prior art staff use deflection adjusting device when, adjust deflection of bridge span effect compared with
Difference, the problem of bridge is caused to have not been able to reach suitable amount of deflection, the utility model is combined with each other by above-mentioned component, in structure
Be internally provided with compressed spring equipped with jack, have prevention deflection of bridge span it is excessive or it is too small cause bridge crack consequence, energy
It is enough that staff is effectively made to adjust deflection of bridge span to suitable camber, it can by the compressed spring bridge on jack
Reach suitable deflection of bridge span, so as to ensure the safety of bridge, practicability is higher, described in detail below:
The jack 2 is made of ground beam 201, bearing 202, column 203, compressed spring 204, crossbeam 205, press beam 206,
The insertion of ground beam 201 is connected in bearing 202, and 202 upper end of bearing is mutually parallel with 205 lower end of crossbeam, the compression
204 upper end of spring is equipped with crossbeam 205, and 203 upper end of column is mutually perpendicular to 206 lower end of press beam, the ground beam 201 and column
203 are mutually parallel.
The basic principle of the utility model and main feature and the advantages of the utility model has been shown and described above, for
For those skilled in the art, it is clear that the utility model is not limited to the details of above-mentioned exemplary embodiment, and without departing substantially from this
In the case of the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is by institute
Attached claim rather than above description limit, it is intended that will fall within the meaning and scope of the equivalent requirements of the claims
All changes are embraced therein.Any reference numeral in claim should not be considered as to the involved right of limitation
It is required that.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in each embodiment can also be properly combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (5)
1. a kind of pre-stressed bridge deflection adjusting device based on municipal bridge field, it is characterised in that：Its structure includes pedestal
(1), jack (2), connecting pole (3), adjuster (4), hoist cable (5), king-post (6), saddle (7), main rope (8), buckstay (9)
Pedestal (1) upper end fits with jack (2) lower end, and connecting pole (3) lower end is mutually hung down with jack (2) upper end
Directly, buckstay (9) lower end is equipped with adjuster (4), and the saddle (7) is integrated with king-post (6), the hoist cable
(5) upper end is connected with main rope (8), and the jack (2) is by ground beam (201), bearing (202), column (203), compressed spring
(204), crossbeam (205), press beam (206) composition, the ground beam (201) is embedded to be connected in bearing (202), the bearing
(202) upper end is mutually parallel with crossbeam (205) lower end, and compressed spring (204) upper end is equipped with crossbeam (205), the column
(203) upper end is mutually perpendicular to press beam (206) lower end, and the ground beam (201) is mutually parallel with column (203).
2. a kind of pre-stressed bridge deflection adjusting device based on municipal bridge field according to claim 1, feature
It is：King-post (6) lower end is mutually perpendicular to connecting pole (3).
3. a kind of pre-stressed bridge deflection adjusting device based on municipal bridge field according to claim 1, feature
It is：Connecting pole (3) upper end fits with buckstay (9) lower end.
4. a kind of pre-stressed bridge deflection adjusting device based on municipal bridge field according to claim 1, feature
It is：Press beam (206) upper end fits with connecting pole (3) lower end.
5. a kind of pre-stressed bridge deflection adjusting device based on municipal bridge field according to claim 1, feature
It is：The saddle (7) be a length of 30m, width 25m, the cuboid of a height of 20m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721649057.XU CN207582319U (en) | 2017-11-30 | 2017-11-30 | A kind of pre-stressed bridge deflection adjusting device based on municipal bridge field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721649057.XU CN207582319U (en) | 2017-11-30 | 2017-11-30 | A kind of pre-stressed bridge deflection adjusting device based on municipal bridge field |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207582319U true CN207582319U (en) | 2018-07-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721649057.XU Expired - Fee Related CN207582319U (en) | 2017-11-30 | 2017-11-30 | A kind of pre-stressed bridge deflection adjusting device based on municipal bridge field |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207582319U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111305039A (en) * | 2020-01-22 | 2020-06-19 | 长沙理工大学 | Device for improving stress distribution of swivel cable-stayed bridge and installation method thereof |
-
2017
- 2017-11-30 CN CN201721649057.XU patent/CN207582319U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111305039A (en) * | 2020-01-22 | 2020-06-19 | 长沙理工大学 | Device for improving stress distribution of swivel cable-stayed bridge and installation method thereof |
| CN111305039B (en) * | 2020-01-22 | 2021-06-01 | 长沙理工大学 | Device for improving stress distribution of swivel cable-stayed bridge and installation method thereof |
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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: 20180706 Termination date: 20211130 |