CN210086857U - Adjustable bolt locating rack - Google Patents
Adjustable bolt locating rack Download PDFInfo
- Publication number
- CN210086857U CN210086857U CN201920728485.4U CN201920728485U CN210086857U CN 210086857 U CN210086857 U CN 210086857U CN 201920728485 U CN201920728485 U CN 201920728485U CN 210086857 U CN210086857 U CN 210086857U
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- adjusting nut
- adjusting
- locating rack
- positioning frame
- bolt
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Abstract
The utility model discloses an adjustable bolt locating rack, including burying piece, locating rack, rag bolt, first adjusting nut and second adjusting nut, rag bolt is vertical to be passed the locating rack, and the rag bolt and the second adjusting nut screw-thread fit of locating rack top, rag bolt and the first adjusting nut screw-thread fit of locating rack below, the upper surface of burying the piece is provided with vertical adjusting screw, be provided with third adjusting nut on the adjusting screw, the bottom cover of locating rack is supported on adjusting screw and by third adjusting nut. Through increasing adjusting stud and third adjusting nut, when still not meeting the error requirement of acceptance criteria when first adjusting nut and second adjusting nut adjust extreme position, the position of whole locating rack is adjusted to the accessible and the third adjusting nut is adjusted to change the position precision between the rag bolt, reach the error range of acceptance criteria requirement more easily.
Description
Technical Field
The utility model relates to an equipment fixing technical field, concretely relates to adjustable bolt locating rack.
Background
Anchor bolts are widely used in the industrial and civil construction industry as the most common way to fixedly connect equipment to a foundation. To the thermal power factory, boiler steelframe, steel construction factory building, steel construction pipe support, all kinds of equipment fixing etc. all need use rag bolt in a large number. Especially, as the boiler steel frame is provided with a plurality of vertical and horizontal axes, the foundation bolts are large in load and large in quantity, and the boiler steel frame is designed to be connected by high-strength bolts, the installation precision requirement is high, the key control procedure for installing the boiler steel frame is always adopted, and the boiler installation is the key point for controlling the quality and the construction period of each thermal power plant.
The location of conventional boiler steelframe stand is as shown in fig. 1, including burying a 1, the locating rack 2, rag bolt 3, first adjusting nut 4 and second adjusting nut 5, bury 1 welding in the bottom of locating rack 2, rag bolt 3 is 4, and vertically install on locating rack 2, specifically, the lower extreme of every rag bolt 3 passes the bottom end rail of locating rack 2 and with 4 threaded connection of first adjusting nut, the entablature of locating rack 2 and with 5 threaded connection of second adjusting nut are passed on the upper portion of every rag bolt 3, boiler steelframe stand passes through the bottom plate and installs the upper end at rag bolt 3. During construction, a concrete base is poured firstly, the embedded part 1 is embedded at the top of the concrete base during pouring, then the foundation bolts 3 are installed on the positioning frame 2, the positioning frame 2 is welded on the embedded part 1, then secondary concrete is poured, the positioning frame 2 is embedded by the secondary concrete, the upper ends of the foundation bolts 3 are located on the upper surface of the secondary concrete, and finally the boiler steel frame is installed.
Because the quality standard requirement to the installation of boiler steelframe stand column is very high to post interval, diagonal, the stand straightness that hangs down in boiler steelframe and rag bolt quality acceptance criterion, in turn, just require to control the interval, the diagonal and the rag bolt straightness that hangs down of rag bolt installation when rag bolt is pre-buried to be installed. When concreting the basement, bury 1 must appear the construction error of elevation and plane position, rag bolt 3 installs on locating rack 2, can only go on through each first adjusting nut 4 and each second adjusting nut 5 to level and straightness adjustment of hanging down, the adjustment redundancy is very little, if bury 1 construction error oversize, each first adjusting nut 4 and each second adjusting nut 5 adjust to extreme position and still can not satisfy the requirement of standard, in case cause boiler steelframe column erection deviation because of rag bolt installation deviation, the consequence is very serious, need carry out rework processing to the boiler basis even.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that an adjustable bolt locating rack is provided, the adjustment of the rag bolt installation accuracy of being convenient for.
The utility model provides a technical scheme that technical problem adopted is: the adjustable bolt positioning frame comprises an embedded part, a positioning frame, an anchor bolt, a first adjusting nut and a second adjusting nut, wherein the anchor bolt vertically penetrates through the positioning frame, the anchor bolt above the positioning frame is in threaded fit with the second adjusting nut, the anchor bolt below the positioning frame is in threaded fit with the first adjusting nut,
the upper surface of the embedded part is provided with a vertical adjusting stud, a third adjusting nut is arranged on the adjusting stud, and the bottom of the positioning frame is sleeved on the adjusting stud and supported by the third adjusting nut.
Furthermore, the locating rack includes many crossbeams and stand, and crossbeam and stand all adopt the angle steel.
Furthermore, a horizontal supporting plate is arranged at the bottom of the upright post, and the supporting plate is sleeved on the adjusting stud and is supported by a third adjusting nut.
Further, a fastening nut is arranged on the adjusting stud above the supporting plate.
Further, gaskets are arranged between the fastening nut and the support plate and between the third adjusting nut and the support plate.
Further, the adjusting stud is connected with the embedded part in a welding mode.
Compared with the prior art, the beneficial effects of the utility model are that: through increasing adjusting stud and third adjusting nut, when still not meeting the error requirement of acceptance criteria when first adjusting nut and second adjusting nut adjust extreme position, the position of whole locating rack is adjusted to the accessible and the third adjusting nut is adjusted to change the position precision between the rag bolt, reach the error range of acceptance criteria requirement more easily.
Drawings
FIG. 1 is a prior art schematic;
FIG. 2 is a schematic view of the present invention;
FIG. 3 is a schematic cross-sectional view A-A of FIG. 2;
fig. 4 is the construction schematic diagram of the utility model.
Reference numerals: 1, embedding parts; 2, a positioning frame; 3, foundation bolts; 4-a first adjusting nut; 5-a second adjusting nut; 10-adjusting the stud; 20-a third adjusting nut; 30-a support plate; 40-fastening a nut; 50-a gasket; 60-concrete base; and 70-secondary concrete.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
As shown in fig. 2, fig. 3 and fig. 4, the utility model discloses an adjustable bolt locating rack, including burying a 1, locating rack 2, rag bolt 3, first adjusting nut 4 and second adjusting nut 5, rag bolt 3 is vertical to be passed locating rack 2, and rag bolt 3 and the 5 screw-thread fit of second adjusting nut of locating rack 2 top, rag bolt 3 and the 4 screw-thread fit of first adjusting nut of locating rack 2 below. Rag bolt 3 is 4, and the bottom plate of boiler steelframe is fixed in rag bolt 3's upper end. By adjusting the first adjusting nut 4 and the second adjusting nut 5 on each anchor bolt 3, the positional accuracy between the respective anchor bolts 3 can be adjusted.
The upper surface of the embedded part 1 is provided with a vertical adjusting stud 10, the adjusting stud 10 can be integrally formed with the embedded part 1, the adjusting stud 10 is also installed in place after the embedded part 1 is embedded, as a preferred embodiment, the adjusting stud 10 and the embedded part 1 are independent parts, and the adjusting stud 10 and the embedded part 1 are welded and connected during construction.
Be provided with third adjusting nut 20 on the adjusting stud 10, third adjusting nut 20 and adjusting stud 10 screw-thread fit, the bottom cover of locating rack 2 is on adjusting stud 10 and is supported by third adjusting nut 20, through rotatory third adjusting nut 20, can make third adjusting nut 20 reciprocate along adjusting stud 10 to drive locating rack 2 and reciprocate, change the straightness that hangs down, height etc. of locating rack 2, locating rack 2 drives rag bolt 3 and removes, and then can realize the regulation of rag bolt 3's position.
During the construction, utilize first adjusting nut 4 and second adjusting nut 5 to adjust earlier, still can not reach the error requirement of acceptance criterion when first adjusting nut 4 and second adjusting nut 5 adjust extreme position, the accessible is adjusted once more by adjusting third adjusting nut 20 for rag bolt 3's construction reaches the error range of acceptance criterion requirement more easily.
The locating rack 2 can adopt a frame structure formed by splicing various steel sectional materials, plates and the like, preferably, the locating rack 2 comprises a plurality of cross beams and upright columns, and the cross beams and the upright columns all adopt angle steels. Crossbeam and stand can welded connection, and traditional locating rack 2 transports to the construction site again after the welding shaping in the mill, because the boiler steelframe generally has dozens of stands, and a locating rack 2 will be used to every stand, and locating rack 2 is bulky, and the cost of transportation is high, consequently, the utility model discloses an adopt bolted connection between 2 each parts of locating rack, transport the component parts such as crossbeam and the stand of locating rack 2 respectively to the construction site after reappear the assembly, reduce the transportation degree of difficulty, practice thrift construction cost.
After the stand adopted the angle steel, for the convenience of installing the stand on adjusting stud 10 through third adjusting nut 20, the bottom of stand is provided with horizontally backup pad 30, welds backup pad 30 in the bottom of stand, is provided with the through-hole on the backup pad 30, and backup pad 30 passes through the through-hole cover on adjusting stud 10 to be supported backup pad 30 by third adjusting nut 20.
In order to keep the positioning frame 2 stable, the adjusting stud 10 above the supporting plate 30 is provided with a fastening nut 40, and a gasket 50 is arranged between the fastening nut 40 and the supporting plate 30 and between the third adjusting nut 20 and the supporting plate 30. . After the position of the positioning frame 2 is adjusted, the fastening nut 40 is screwed down, the support plate 30 is pressed and fixed between the fastening nut 40 and the third adjusting nut 20, and the stability of the positioning frame 2 is stronger.
The utility model discloses a work progress does: as shown in fig. 4, a concrete substrate 60 is poured, and the embedded part 1 is embedded in the upper surface of the concrete substrate 60 during pouring; after the concrete base 60 is dried, welding the adjusting stud 10 on the embedded part 1; assembling the positioning frame 2 on site, installing the anchor bolt 3 on the positioning frame 2 through the first adjusting nut 4 and the second adjusting nut 5, then installing the third adjusting nut 20 on the adjusting stud 10, sleeving the support plate 30 at the bottom of the positioning frame 2 on the adjusting stud 10 and supporting the support plate 30 by the third adjusting nut 20, then detecting the position precision of the anchor bolt 3, if the position precision of the anchor bolt 3 does not meet the error requirement of the acceptance criterion, rotating the first adjusting nut 4 and the second adjusting nut 5 for adjustment, if the first adjusting nut 4 and the second adjusting nut 5 move to the limit position, the position precision of the anchor bolt 3 still does not meet the error requirement of the acceptance criterion, and then adjusting again through the third adjusting nut 20 until the acceptance criterion is met. After adjusting, screw up fastening nut 40, make locating rack 2 remain stable, then pour secondary concrete 70, secondary concrete 70 is pre-buried with locating rack 2, and rag bolt 3's upper end is located outside secondary concrete 70, the utility model discloses an adjustable bolt locating rack's construction is accomplished.
Claims (6)
1. An adjustable bolt positioning frame comprises an embedded part (1), a positioning frame (2), an anchor bolt (3), a first adjusting nut (4) and a second adjusting nut (5), wherein the anchor bolt (3) vertically penetrates through the positioning frame (2), the anchor bolt (3) above the positioning frame (2) is in threaded fit with the second adjusting nut (5), the anchor bolt (3) below the positioning frame (2) is in threaded fit with the first adjusting nut (4), and the adjustable bolt positioning frame is characterized in that,
the upper surface of the embedded part (1) is provided with a vertical adjusting stud (10), the adjusting stud (10) is provided with a third adjusting nut (20), and the bottom of the positioning frame (2) is sleeved on the adjusting stud (10) and supported by the third adjusting nut (20).
2. The adjustable bolt positioning frame according to claim 1, characterized in that the positioning frame (2) comprises a plurality of beams and columns, and the beams and columns are both angle steels.
3. The adjustable bolt positioning frame according to claim 2, characterized in that a horizontal support plate (30) is arranged at the bottom of the upright, and the support plate (30) is sleeved on the adjusting stud (10) and supported by a third adjusting nut (20).
4. Adjustable bolt spacer according to claim 3, characterized in that a fastening nut (40) is provided on the adjusting stud (10) above the support plate (30).
5. Adjustable bolt spacer according to claim 4, characterized in that a washer (50) is arranged between the fastening nut (40) and the support plate (30) and between the third adjusting nut (20) and the support plate (30).
6. Adjustable bolt spacer according to claim 1, characterized in that the adjusting stud (10) is welded to the insert (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920728485.4U CN210086857U (en) | 2019-05-20 | 2019-05-20 | Adjustable bolt locating rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920728485.4U CN210086857U (en) | 2019-05-20 | 2019-05-20 | Adjustable bolt locating rack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210086857U true CN210086857U (en) | 2020-02-18 |
Family
ID=69479233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920728485.4U Active CN210086857U (en) | 2019-05-20 | 2019-05-20 | Adjustable bolt locating rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210086857U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113007495A (en) * | 2021-03-29 | 2021-06-22 | 华能国际电力股份有限公司上海石洞口第一电厂 | Adjustable supporting frame for foundation bolts of boiler and mounting method |
-
2019
- 2019-05-20 CN CN201920728485.4U patent/CN210086857U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113007495A (en) * | 2021-03-29 | 2021-06-22 | 华能国际电力股份有限公司上海石洞口第一电厂 | Adjustable supporting frame for foundation bolts of boiler and mounting method |
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