CN201090907Y - Base backing plate - Google Patents
Base backing plate Download PDFInfo
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- CN201090907Y CN201090907Y CNU2007200737225U CN200720073722U CN201090907Y CN 201090907 Y CN201090907 Y CN 201090907Y CN U2007200737225 U CNU2007200737225 U CN U2007200737225U CN 200720073722 U CN200720073722 U CN 200720073722U CN 201090907 Y CN201090907 Y CN 201090907Y
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- back plate
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- backing plate
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Abstract
The utility model relates to a novel foundation back plate, including a rectangular back plate body, wherein, the center of the plate body is provided with a circular hole; the four corners of the plate body are respectively provided with a dead plate, on which an installation hole is arranged; a bolt is arranged in the installation hole; a screw cap is arranged respectively on the bolt above and below the back plate to fix the back plate. The utility model is characterized in that two breathable circular holes are also arranged on the back plate body and respectively positioned on the axes of symmetry of the back plate positioned at the two sides of the central circular hole. The utility model has the advantages that the laying procedure is simplified and the operation is easy; the problem that the undesirable fluidity in the grouting process at the bottom of the foundation back plate makes the grouting material hard to be dense enough is solved, so that the construction quality is improved. The utility model is applied to the installation of electromechanical equipment, the installation of steel- structured column of factory buildings, the installation of large- scale door- type crane rail back plate and the installation and the maintenance project requiring close combination of the equipment back plate and the foundation.
Description
Technical field
The utility model relates to equipment bay and combines the correlative technology field of installing, specifically a kind of bearing plate with the basis.
Background technique
Existing equipment is installed, and comprising equipment installation backing plate polishing, equipment fitting seat slurry method and equipment does not have three kinds of backing plate mounting processs.Polishing is owing to be subjected to the influence of grinding precision, the mating face of flat bolster and surface of base is incomplete, cause inhomogeneous contact, the stability on influence basis, and if reach contact precision preferably, then require to have good pincers worker technician to carry out conscientious grinding and adjustment, need a large amount of time and technical force.Seat slurry method is a kind of common method that existing Equipment Foundations backing plate is installed, and in the process of centering backing plate, comes the leveling pad by instruments such as rubber hammers, easily is difficult for down, be easy to cause and do over again, and to the control inaccuracy of backing plate absolute altitude.Equipment does not have the backing plate mounting process and is extensive use of abroad, because no backing plate support apparatus, to the grouting material requirement height very of device bottom, domestic existing quick-dry type grouting material also is difficult to reach the requirement of bearing high-strength impact power, so seldom be applied.
In the overhaul of the equipments engineering, owing to be pressed for time, the duration is short, for the faster equipment that carries out is exactly installed, particularly for the installation of basic flat bolster, the mode of a kind of bolt plain cushion four-corner leveling that now works out is installed backing plate, use bearing plate screw adjusting method construction process, its bearing plate bes in the milk in filling process to expect to be difficult to closely knit, construction effect is affected.
The model utility content
The purpose of this utility model is the improvement to the used bearing plate of the construction of the bearing plate screw adjusting method in the present mounting technique, solved the bearing plate bottom when being in the milk, mobile bad, the grouting material is difficult to closely knit, the affected problem of construction effect.
For achieving the above object, the utility model has adopted following technological scheme:
The utility model discloses a kind of novel bearing plate, the backing plate plate body that comprises rectangle, the center of plate body is provided with a circular hole, four jiaos of plate body are respectively equipped with fixed plate, fixed plate is provided with mounting hole, be provided with bolt in the mounting hole, on the bolt in the upper and lower nut that respectively is provided with of backing plate with fixing backing plate, it is characterized in that: also be provided with air hole on the backing plate plate body.
As a preferred version of the present utility model, two ventilative circular holes are arranged on the described backing plate plate body.
As another preferred version of the present utility model, described two ventilative circular holes lay respectively on the axis of symmetry of backing plate of center hole both sides
Advantage of the present utility model is: lay operation and simplify, easy and simple to handle, it is not good to have solved bearing plate bottom flowability when being in the milk, and the grouting material is difficult to closely knit problem, thereby has improved construction quality.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the bearing plate scheme of installation.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described.
A kind of novel bearing plate, adopt the backing plate plate body 1 of rectangle, the center of plate body is provided with a circular hole 2, four jiaos of plate body are respectively equipped with fixed plate 3, fixed plate 3 is provided with mounting hole 4, is provided with bolt 5 in the mounting hole, on the bolt 5 in the upper and lower nut 6 that respectively is provided with of backing plate 1 with fixing backing plate, also be provided with on the backing plate plate body 1 on the axis of symmetry of backing plate that 7, two ventilative circular holes 7 of two ventilative circular holes lay respectively at center hole 2 both sides.
1, preparation of construction
1), backing plate 1 processing: size and equipment installation requirement according to engineering work load are prepared necessary grouting material, auxiliary material and Work tool, select flat bolster up to specification for use, a φ 80mm center hole 2 is opened at the flat bolster center, respectively open the ventilative circular hole 7 of a φ 52mm on the axis of symmetry of the backing plate of center hole 2 both sides, and weld the fixation plate 3 that a block size is about 120*60*10mm respectively at plain cushion four jiaos on request, the installation circular hole 4 of a φ 18mm is opened at the center of steel plate, see Fig. 1, also can determine the size of the fixation plate 3 that bottom adjustment bolt is used according to the actual size of backing plate.
2), the mensuration of absolute altitude: be directly connected to the setting height(from bottom) of backing plate, the coordinate position of equipment, require to be convenient to measure and adjust.
3), the inspection on basis: the former back-grouting layer of Equipment Foundations should all cut, and the main muscle of once grouting layer exposed, guarantee simultaneously the plain cushion lower surface to the distance of former concrete layer about 120～180mm, with the pier of guaranteeing to be in the milk enough bearing capacities are arranged.
2, backing plate is installed
Angle steel is welded on the main muscle of Equipment Foundations,, determines the position of the bolt 5 on base plate, be welded on the angle steel platform, see Fig. 2 again according to the technical specification of backing plate.
The upper and lower surface of the taper liner of the upper surface of backing plate 1 and correspondence is all answered smooth smooth, and places after cleaning up again.The adjusting of backing plate is slightly looked for absolute altitude with instrument earlier, adjust the bolt 5 of four jiaos on backing plate again, with upper and lower two nuts 6 move up and down the adjustment backing plate, place two frame levels that precision is 0.25mm at the both direction in length and breadth of backing plate, measure absolute altitude with level instrument again after the backing plate levelling.Plain cushion should be reserved the absolute altitude negative common difference, is lined with surplus equipment is carried out accurate adjustment so that equipment is installed to retread.
The template that supports is reserved the space about 100mm around backing plate, to strengthen the support force of grouting pier, will clean concrete surface, backing plate bottom before the grouting, and wash, rinse slurry.
The stirring of grouting material, each general one bag (25kg dress) that use, the water that in agitating vessel, adds established amount earlier, to make an appointment with the grouting material of half to pour in the bucket then, stirred for 10 seconds with the electric hand drill type stirrer, half material that will be left is again poured in the bucket and is stirred together, begin to finish generally to be controlled in 60 seconds from feeding intake to stirring, blade should move up and down during stirring, at the bottom of making barrel and the material that adheres to of bucket wall can fully be stirred, but blade must not propose the feed liquid face that is in the milk, in order to avoid air is brought into, mixing water should be used tap water, and water temperature is advisable with 5 ~ 30 ℃.
The grouting material that stirs must pour into from the same side of equipment, in order to the air discharge, grout blanket is enriched, and selects a suitable perfusing hole, continuously flows into to guarantee grouting, and the grouting material will be beneficial to the adjustment of equipment installation and taper liner a little less than the upper surface of backing plate.
To cover moistening cloth or straw bag watering (every day 4～6 times) maintenance after the grouting.Must not collide and vibrate the basis in 24 hours, striking time was carried out after 24 hours, continued maintenance after the form removal, reached the condition that equipment is installed in 72 hours.
3, equipment is installed
Data according to prior mensuration are adjusted taper liner, then equipment are hung in the work that utilization wedge, jack and pre-buried center line are finished levelling, centering, looked for absolute altitude.The equipment upper surface should be reserved the absolute altitude plus tolerance, but must not surpass plus tolerance, behind stone bolt 70%～80% design fastening force, reaches the grouting condition.
The integral body grouting of Equipment Foundations requires the same with once grouting, the concrete surface is cleaned, grouting again behind will the brushing one deck 3mm thick tackiness agent that foundation area is bigger, should make grouting be higher than the bottom surface of equipment bay, and in whole filling process, keep this height, stone bolt, repetition measurement Equipment Foundations base plate absolute altitude and levelness are twisted in maintenance eventually after 72 hours.
4, the selection of material
(1), the grouting material selects for use the grouting of BY series to expect that its performance index should satisfy table 1 and require:
Grouting material the key technical indexes table 1
| Project | Fluidity (%) | Expansivity (%) | Bleeding rate (%) | Compressive strength (MPa) | Cohesive force (MPa) with reinforcing bar | Ultimate-use (limiting service) temperature (℃) |
| |
5～8 | 0.00～.0.04 | 0 | ≥40(3d) ≥55(28d) | ≥6.0 | 600 |
(2), select the principle of grouting material to be: 3 days compressive strength of grout blanket concrete test block must be greater than the concrete design strength 10MPa of (or equaling) Equipment Foundations.Specifically in equipment installation project, can adopt compressive strength height according to the concrete design strength of Equipment Foundations than table 1.But other index (not comprising the cohesive force with reinforcing bar) must meet the grouting material that table 1 requires.Beneficial effect:
In maintenance engineering equipment installation process, can finish the laying work of large batch of flat bolster, application has large fluidity, does not have and shrink (microdilatancy), the grouting material of early strong characteristics more fastly, form a grouting pier, after adding a pair of combination taper liner, just directly place apparatus is finely tuned again, and is similar with the installation principle of seat slurry method mounting process, but the laying operation of plain cushion is simplified, easy and simple to handle, answer the right maintenance engineering time short, the requirement of duration urgency.
The utility model is applicable to the installation of electromechanical equipment, the installation of workshop steel structure column, and the installation of large-scale crane door sole-plate, and require equipment bay and basic installation of combining closely and maintenance engineering etc.
Above-mentioned design example only is used for the utility model is described, and does not constitute the restriction to the claim scope, and other substantial equivalence means that it may occur to persons skilled in the art that are all in the utility model claim scope.
Claims (3)
1. bearing plate, the backing plate plate body that comprises rectangle, the center of plate body is provided with a circular hole, four jiaos of plate body are respectively equipped with fixed plate, fixed plate is provided with mounting hole, be provided with bolt in the mounting hole, on the bolt in the upper and lower nut that respectively is provided with of backing plate with fixing backing plate, it is characterized in that: also be provided with air hole on the backing plate plate body.
2. a kind of bearing plate according to claim 1 is characterized in that: two ventilative circular holes are arranged on the described backing plate plate body.
3. a kind of bearing plate according to claim 2 is characterized in that: described two ventilative circular holes lay respectively on the axis of symmetry of backing plate of center hole both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200737225U CN201090907Y (en) | 2007-08-16 | 2007-08-16 | Base backing plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200737225U CN201090907Y (en) | 2007-08-16 | 2007-08-16 | Base backing plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201090907Y true CN201090907Y (en) | 2008-07-23 |
Family
ID=39862667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200737225U Expired - Fee Related CN201090907Y (en) | 2007-08-16 | 2007-08-16 | Base backing plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201090907Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101881031A (en) * | 2010-02-11 | 2010-11-10 | 中国二十二冶集团有限公司 | Adjustable grouting material base plate device and installation method thereof |
| CN106130444A (en) * | 2016-07-31 | 2016-11-16 | 成都聚合追阳科技有限公司 | A kind of ground is the condensation photovoltaic ground pull bar regulation technique of stone |
-
2007
- 2007-08-16 CN CNU2007200737225U patent/CN201090907Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101881031A (en) * | 2010-02-11 | 2010-11-10 | 中国二十二冶集团有限公司 | Adjustable grouting material base plate device and installation method thereof |
| CN106130444A (en) * | 2016-07-31 | 2016-11-16 | 成都聚合追阳科技有限公司 | A kind of ground is the condensation photovoltaic ground pull bar regulation technique of stone |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080723 Termination date: 20100816 |