CN204738241U - Gap shock attenuation back rises device - Google Patents
Gap shock attenuation back rises device Download PDFInfo
- Publication number
- CN204738241U CN204738241U CN201520451791.XU CN201520451791U CN204738241U CN 204738241 U CN204738241 U CN 204738241U CN 201520451791 U CN201520451791 U CN 201520451791U CN 204738241 U CN204738241 U CN 204738241U
- Authority
- CN
- China
- Prior art keywords
- support plate
- hydraulic jack
- backup pad
- buffer beam
- drill steel
- Prior art date
- 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
Links
- 230000035939 shock Effects 0.000 title abstract 3
- 229910000831 Steel Inorganic materials 0.000 claims description 19
- 239000010959 steel Substances 0.000 claims description 19
- 210000000452 mid-foot Anatomy 0.000 claims description 17
- 230000015572 biosynthetic process Effects 0.000 claims 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 abstract 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a gap shock attenuation back rises device, include: supplementary strutting arrangement and hydraulic cylinder group, supplementary strutting arrangement includes the backup pad, the backup pad constitutes " Z " style of calligraphy by upper strut board, middle part backup pad and lower part backup pad, upper strut board and middle part backup pad constitute the dog -ear and hug closely and hang at pier side direction up end, middle part backup pad and lower part backup pad constitute the dog -ear, the bottom mounting of hydraulic cylinder group is in the backup pad of lower part, the flexible end and the bridge plate of hydraulic cylinder group offset. The utility model provides a problem of the less road deck of the interval of the unable jack -up road deck of traditional hydro -cylinder and pier, also make simultaneously this gap shock attenuation back rises device's application scope enlarge, let it can multipurpose in high -pressure system equipment.
Description
Technical field
The utility model relates to a kind of lift-up device, specifically a kind of gap buffer beam lift-up device.
Background technology
After bridge uses the regular hour, because the elastic support between top board and bridge pier is aging, need to change elastic support, at this moment need the top board jack-up bridge, take out old bridge elastic support, more renew.When the distance of bridge road panel and bridge pier is larger, can directly put into rear jack-up road slab with large-tonnage oil cylinder, change elastic support.
When the distance of encountering road slab and bridge pier is less, when particularly spacing only has 20mm, normal oil cylinder just can not insert between top board and bridge pier, or the stroke of ultra-thin oil cylinder can not meet the demands.At this time just needing to design a kind of new lift-up device, solving the insufficient space problem when changing bridge elastic support.
Summary of the invention
Goal of the invention: the purpose of this utility model is to solve the deficiencies in the prior art, providing a kind of can place in less space, can produce again the lift-up device of an enough large thrust and stroke.
Technical scheme: in order to realize above object, a kind of gap described in the utility model buffer beam lift-up device, is characterized in that: comprising: auxiliary support apparatus and hydraulic jack group; Described auxiliary support apparatus comprises gripper shoe, and described gripper shoe forms " Z " font by upper support board, midfoot support plate and lower support plate; Described upper support board and midfoot support plate form knuckle and are close to and are suspended on bridge pier side direction upper surface, and described midfoot support plate and lower support plate form knuckle; The bottom of described hydraulic jack group is fixed on lower support plate, and telescopic end and the bridge plate of described hydraulic jack group offset.A kind of gap described in the utility model buffer beam lift-up device, to hang on bridge pier outside hydraulic jack by adopting the gripper shoe of ' Z ' font, by zigzag ingehious design, solving traditional oil cylinder cannot the problem of jack-up road slab, meet and realize in the jacking space requirement of limited narrow space oil cylinder, the location of the fuel tank simultaneously solved and the problem of support, complete the jacking maintenance activity of road slab, achieves the operation changing elastic support; Meanwhile, the scope of application of this gap buffer beam lift-up device expands, and can meet multiple high-pressure system equipment.
Described in the utility model, auxiliary support apparatus also comprises: drill steel; Described drill steel is connected on lower support plate; The tip of described drill steel withstands on the lateral wall of bridge pier.Have employed the supporting role that drill steel better can realize Z-shaped gripper shoe in the utility model, reduce rollover power simultaneously, avoid tumbling of gripper shoe.
The tip of drill steel described in the utility model is downward-sloping to be withstood on the lateral wall of bridge pier, and the downward-sloping design of this drill steel tip can further reduce rollover power, improves the stability of whole device.
The group of hydraulic jack described in the utility model adopts block-type oil cylinder, and in this block-type oil cylinder, hydraulic jack is at least 1, and the core of described lift-up device carries power design formulas and is:
Fmax= N*Fsinle =N*P*∏D2/40000
Wherein, F is gross thrust, and P is oil suction chamber pressure, and D is hydraulic high-pressure oil cylinder inside radius, and N is the quantity of hydraulic jack.
The design of hydraulic jack group is adopted in the utility model, core can be improved by the superposition of oil cylinder group and carry power, be applicable to the jacking of Different Weight bridge plate, the weight of the bridge plate of jacking as required can increase the quantity of hydraulic jack in the utility model, operate very simple and convenient.
The knuckle angle a that upper support board described in the utility model and midfoot support plate are formed is 88 °-90 °.The knuckle that the utility model middle and upper part gripper shoe and midfoot support plate are formed is slightly less than more favourable being attached on bridge pier when right angle is conducive to cylinder jacking.Because the gripper shoe of " Z " font is steel structure, have certain toughness, when stressed, the angle being slightly less than right angle can better be attached on bridge pier, difficult drop-off, improves the stability that gripper shoe supports.
The angle of the knuckle b that the utility model midfoot support plate right flank and lower support plate upper surface are formed is 92 °-95 °.The knuckle b that the plate right flank of midfoot support described in the utility model and lower support plate upper surface are formed is greater than right angle, hydraulic jack is installed on lower support plate is in outward-dipping, the flare of this hydraulic jack is placed, the reaction force of oil cylinder is extended in bridge pier, can effectively avoid gripper shoe to tumble.
Auxiliary support apparatus described in the utility model also comprises inclined-plane back-up block; The upper end of described inclined-plane back-up block is fixed on lower support plate; Lower end is connected with drill steel, rollover power can be reduced further, ensure that the Impact direction of combining ability simultaneously, improve the stability of lift-up device, the inclined-plane back-up block of differing heights can be selected according to the oil cylinder of different model, different stroke simultaneously, adapt to different hydraulic jacks by the height of adjustment inclined-plane back-up block, improve the scope of application of whole lift-up device.
Beneficial effect: gap described in the utility model buffer beam lift-up device, has the following advantages:
1, the buffer beam lift-up device of gap described in the utility model, by adopting the gripper shoe of " Z " font, solve a difficult problem for little space jacking difficulty, the positioning supports of hydraulic jack is solved by the use of the gripper shoe of " Z " font, and the problem of jacking stroke, be inserted in gap by the top of the gripper shoe by " Z " font and locate, gripper shoe lower part completes support, middle part can adopt different length according to the stroke of oil cylinder, can solve the jacking problem of different oil cylinder at small space.
2, gap described in the utility model buffer beam lift-up device, its gripper shoe by hydraulic high-pressure oil cylinder and " Z " font and drill steel cooperatively interact, and effectively prevent tumbling of gripper shoe.
3, can improve core by the superposition of hydraulic jack in hydraulic jack group in the utility model and carry power, be applicable to the jacking of Different Weight bridge plate, also can adopt the hydraulic jack of different stroke to be suitable for the jacking under different situations, combination is flexibly, applied widely.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of the gripper shoe of " Z " font in the utility model.
In figure: gripper shoe 1, hydraulic jack group 2, drill steel 3, inclined-plane back-up block 4, spring support 5, bridge pier 6, bridge plate 7.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, illustrate the utility model further.
Embodiment
A kind of gap buffer beam lift-up device as shown in the figure, comprising: auxiliary support apparatus and hydraulic jack group 2, described hydraulic jack group is installed on auxiliary support apparatus, provides kinetic energy by high-pressure and hydraulic pumping plant feeding compressing cylinder group.
Auxiliary support apparatus described in the present embodiment comprises gripper shoe 1, drill steel 3, inclined-plane back-up block 4, and described gripper shoe 1 forms " Z " font by upper support board 11, midfoot support plate 12 and lower support plate 13; Described hydraulic jack group is made up of 8 hydraulic jacks.
The annexation of above-mentioned each parts is as follows:
Described upper support board 11 and midfoot support plate 12 form knuckle and are close to and are suspended on bridge pier 6 side direction upper surface, and described midfoot support plate 12 and lower support plate 13 form knuckle; The bottom of described hydraulic jack group 2 is fixed on lower support plate 13, and telescopic end and the bridge plate 7 of described hydraulic jack group offset; Described drill steel 3 is connected on lower support plate 13 by inclined-plane back-up block 4; On the downward-sloping lateral wall withstanding on bridge pier 6 of tip of described drill steel 3; The knuckle angle a that described upper support board 11 and midfoot support plate 12 are formed is 89.5 °; The angle of the knuckle b that described midfoot support plate 12 right flank and lower support plate 13 upper surface are formed is 93 °.
Described in the present embodiment, the course of work of gap buffer beam lift-up device is as follows:
The stroke of hydraulic jack as required needs the inclined-plane back-up block 4 of height; The gap between road slab and bridge pier is inserted in one end of the upper support board 11 of the gripper shoe 1 of the Z-shaped described in the buffer beam lift-up device of gap, lower support plate 13 support hydraulic pressure oil cylinder group, described drill steel pointed nose withstands on the Dun Bi of bridge pier, prevents gripper shoe from tumbling.
The core of lift-up device described in the present embodiment carries power design formulas and is:
Fmax= N*Fsinle =N*P*∏D2/40000
Wherein, F is gross thrust, and P is oil suction chamber pressure, and D is hydraulic high-pressure oil cylinder internal diameter, and N is the quantity of hydraulic high-pressure oil cylinder;
As oil suction chamber pressure P=70MPa, when hydraulic high-pressure oil cylinder internal diameter D=40mm, the quantity n=8 of hydraulic high-pressure oil cylinder,
Fmax= N*Fsinle =N*P*∏D2/40000
=8*70*3.14*40*40/40000=8.792Te*8=70.336Te。
Embodiment is only not used in restriction scope of the present utility model for illustration of the utility model, after having read the utility model, the amendment of those skilled in the art to the various equivalent form of value of the present utility model has all fallen within the application's claims limited range.
Claims (7)
1. a gap buffer beam lift-up device, is characterized in that: comprising: auxiliary support apparatus and hydraulic jack group (2);
Described auxiliary support apparatus comprises gripper shoe (1), and described gripper shoe (1) forms " Z " font by upper support board (11), midfoot support plate (12) and lower support plate (13);
Described upper support board (11) and midfoot support plate (12) form knuckle and are close to and are suspended on bridge pier (6) side direction upper surface, described midfoot support plate (12) and lower support plate (13) formation knuckle; The bottom of described hydraulic jack group (2) is fixed on lower support plate (13), and telescopic end and the bridge plate (7) of described hydraulic jack group offset.
2. gap according to claim 1 buffer beam lift-up device, is characterized in that: described auxiliary support apparatus also comprises: drill steel (3); Described drill steel (3) is connected on lower support plate (13); The tip of described drill steel (3) withstands on the lateral wall of bridge pier (6).
3. gap according to claim 2 buffer beam lift-up device, is characterized in that: on the downward-sloping lateral wall withstanding on bridge pier (6) of tip of described drill steel (3).
4. gap according to claim 1 buffer beam lift-up device, is characterized in that: described hydraulic jack group (2) adopts block-type oil cylinder, and in this block-type oil cylinder, hydraulic jack is at least 1, and the core of described lift-up device carries power design formulas and is:
Fmax= N*Fsinle =N*P*∏D2/40000
Wherein, F is gross thrust, and P is oil suction chamber pressure, and D is hydraulic high-pressure oil cylinder inside radius, and N is the quantity of hydraulic jack.
5. gap according to claim 1 buffer beam lift-up device, is characterized in that: the knuckle angle a that described upper support board (11) and midfoot support plate (12) are formed is 88 °-90 °.
6. gap according to claim 1 buffer beam lift-up device, is characterized in that: the angle of the knuckle b that described midfoot support plate (12) right flank and lower support plate (13) upper surface are formed is 92 °-95 °.
7. gap according to claim 3 buffer beam lift-up device, is characterized in that: described auxiliary support apparatus also comprises: inclined-plane back-up block (4); The upper end of described inclined-plane back-up block is fixed on lower support plate (13); Lower end is connected with drill steel (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520451791.XU CN204738241U (en) | 2015-06-29 | 2015-06-29 | Gap shock attenuation back rises device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520451791.XU CN204738241U (en) | 2015-06-29 | 2015-06-29 | Gap shock attenuation back rises device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204738241U true CN204738241U (en) | 2015-11-04 |
Family
ID=54419985
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520451791.XU Expired - Fee Related CN204738241U (en) | 2015-06-29 | 2015-06-29 | Gap shock attenuation back rises device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204738241U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104947607A (en) * | 2015-06-29 | 2015-09-30 | 实用动力(中国)工业有限公司 | Gap shock absorption beam jacking device |
-
2015
- 2015-06-29 CN CN201520451791.XU patent/CN204738241U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104947607A (en) * | 2015-06-29 | 2015-09-30 | 实用动力(中国)工业有限公司 | Gap shock absorption beam jacking device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151104 |