CN211547358U - Portable telescopic compression-resistant bending-resistant support - Google Patents
Portable telescopic compression-resistant bending-resistant support Download PDFInfo
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- CN211547358U CN211547358U CN201921614912.2U CN201921614912U CN211547358U CN 211547358 U CN211547358 U CN 211547358U CN 201921614912 U CN201921614912 U CN 201921614912U CN 211547358 U CN211547358 U CN 211547358U
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- steel pipe
- steel
- block
- cross beam
- bolt
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Abstract
The utility model relates to the technical field of bridge engineering, in particular to a portable telescopic compression-resistant bending-resistant bracket, which comprises a first steel pipe, a second steel pipe, an upper stop block, a lower stop block, a first beam and a second beam; one ends of the first cross beam and the second cross beam, which are close to each other, are respectively provided with a first semi-circular steel block and a second semi-circular steel block, and the first steel block and the second steel block are butted to form an annular structure sleeved outside the second steel pipe; the upper and lower blocking blocks are of square structures, and the middle parts of the upper and lower blocking blocks are respectively connected through a first compression spring and a second compression spring; and the upper stop block and the lower stop block are respectively provided with a first arc-shaped groove and a second arc-shaped groove which are used for matching and clamping with the end faces of the first steel block and the second steel block. The utility model discloses a first, second steel pipe can stretch out and draw back from top to bottom, and other parts can all be dismantled, practice thrift the transportation space, portable, and it is convenient to install, repeatedly usable easily promotes.
Description
Technical Field
The utility model relates to a bridge engineering technical field especially relates to a portable telescopic resistance to compression bending support.
Background
With the progress of modern infrastructure construction, the demand of each region for bridge construction is increasing, and much attention is paid to the bridge construction. The bridge is divided into a plurality of parts according to the structural components, the members are the next-level classification of the parts, and the members comprise cast-in-place beams. Cast-in-place girders are generally used for medium and large bridges, and because of the inconvenience in transportation, the girders are fabricated on the site of a construction site. For bridges, the superstructure refers to the primary load bearing structure that spans such obstacles when the route is interrupted by the encounter of such obstacles. When the upper structure is constructed, a support needs to be built, the built support temporarily used for bearing bridge load needs to have enough strength and rigidity, and the required stability is up to the standard.
At present, bridge workers in China generally adopt intensive support arrangement, reduce support span and the like, but the problems of inconvenient support dismantling and transportation, more consumed materials and the like exist, the problem of stress concentration exists when an upper support is in contact with other structures also exists, and the large-diameter steel pipes are adopted for responding to the stress concentration of the upper part so as to cause material waste.
Based on the above consideration, the utility model designs a portable telescopic resistance to compression bending support and mounting method.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's not enough, provide a portable telescopic resistance to compression bending support and mounting method, its resistance to compression bending performance improves by a wide margin, has solved the problem that upper portion and other part contact stress concentrate effectively. This support can be dismantled to each part, and each steel pipe can stretch out and draw back from top to bottom, and finally can the less steel pipe of diameter stretch out and draw back to the great steel pipe of diameter in, practice thrift the transportation space, convenient transportation, and can used repeatedly, make full use of resource.
In order to realize the utility model discloses a purpose, the utility model discloses a technical scheme do:
the utility model discloses a portable telescopic compression-resistant bending-resistant bracket, which comprises a first steel pipe, a second steel pipe, an upper stop block, a lower stop block, a first beam and a second beam, wherein one end of the second steel pipe is sleeved outside the first steel pipe; one ends of the first cross beam and the second cross beam, which are close to each other, are respectively provided with a first semi-circular steel block and a second semi-circular steel block, and the first steel block and the second steel block are butted to form an annular structure sleeved outside the second steel pipe; the upper and lower retaining blocks are of square structures, the middle parts of the upper and lower retaining blocks are respectively connected through a first compression spring and a second compression spring, and one ends, sleeved with the first steel pipe, of the first steel pipe and the second steel pipe are respectively provided with a first steel pipe upper positioning hole and a second steel pipe upper positioning hole for the end part of the upper retaining block to pass through, and a first steel pipe lower positioning hole and a second steel pipe lower positioning hole for the end part of the lower retaining block to pass through; and the upper stop block and the lower stop block are respectively provided with a first arc-shaped groove and a second arc-shaped groove which are used for matching and clamping with the end faces of the first steel block and the second steel block.
After the upper stop block and the lower stop block respectively pass through the upper positioning holes of the first steel pipe and the second steel pipe and the lower positioning holes of the first steel pipe and the second steel pipe, the horizontal projection of the extension lines of the upper stop block and the lower stop block is vertical.
The thickness of the first steel block and the second steel block is not larger than the width of the first arc-shaped groove and the width of the second arc-shaped groove.
And the side walls of two ends of the upper stop block and the lower stop block which are respectively connected with the first compression spring and the second compression spring are respectively provided with a first limiting lug and a second limiting lug.
The outer portions of the first compression spring and the second compression spring are respectively sleeved with a first empty box and a second empty box, the first empty box and the second empty box are of hollow square structures with openings at two ends, and a first notch and a second notch matched with the first limiting lug and the second limiting lug are arranged on the side walls of the end portions of the first empty box and the second empty box.
And a first lug plate and a second lug plate are respectively arranged on the outer walls of the end parts of the first steel block and the second steel block, and a first steel block bolt hole and a second steel block bolt hole for the fixing bolt to pass through are respectively arranged on the first lug plate and the second lug plate.
The first cross beam and the second cross beam are respectively provided with a first cross beam bolt and a second cross beam bolt which penetrate through the outer walls of the first cross beam and the second cross beam; and the first steel pipe and the second steel pipe are respectively provided with a first steel pipe bolt and a second steel pipe bolt which penetrate through the outer walls of the first steel pipe and the second steel pipe, and the end parts of the first steel pipe bolt and the second steel pipe bolt are respectively connected with the end parts of the first cross beam bolt and the second cross beam bolt through a support frame.
The support frame is of a square structure, and support frame through holes are formed in the side walls of the two ends of the support frame.
The included angle between the adjacent support frames is 90 degrees.
The beneficial effects of the utility model reside in that:
1. the cross section area of the second steel pipe is larger than that of the first steel pipe, so that the problem of overlarge contact stress concentration between the upper part of the bracket and other parts is solved, the compression resistance of the bracket is improved, and materials are fully utilized;
2. the utility model has the advantages that the first and the second steel pipes can be stretched up and down, and other parts can be detached, thereby saving the transportation space, being convenient to carry, convenient to install, reusable and easy to popularize;
3. the utility model discloses a erection bracing frame makes this support bending resistance compressive property show the improvement.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a top view of the present invention without the support frame;
fig. 3 is a schematic structural view of the first cross member and the second cross member in the present invention;
FIG. 4 is a schematic structural view of the first and second steel pipes of the present invention;
FIG. 5 is a perspective view of the first and second steel pipes of the present invention;
fig. 6 is a schematic structural view of the middle lower stop block of the present invention;
fig. 7 is a schematic structural view of the upper stop block of the present invention;
FIG. 8 is a schematic structural view of the first and second empty boxes according to the present invention;
fig. 9 is a schematic structural view of the middle support frame of the present invention.
In the figure, 1 a first steel pipe, 2 a second steel pipe, 3 an upper stop block, 31 a first compression spring, 32 a first arc-shaped groove, 33 a first limit bump, 34 a first notch, 4 a lower stop block, 41 a second compression spring, 42 a second arc-shaped groove, 43 a second limit bump, 44 a second notch, 5 a first cross beam, 6 a second cross beam, 7 a second steel pipe upper positioning hole, 8 a second steel pipe lower positioning hole, 9 a first steel block, 10 a second steel block, 11 a first empty box, 12 a second empty box, 13 a first ear plate, 14 a second ear plate, 15 a fixing bolt, 16 a first steel block bolt hole, 17 a second steel block bolt hole, 18 a first cross beam bolt, 19 a second cross beam bolt, 20 a first steel pipe bolt, 21 a second steel pipe bolt, 22 a support frame and 23 a support frame through hole.
Detailed Description
The invention will be further described with reference to the following figures and examples:
see fig. 1-9.
The utility model discloses a portable telescopic compression-resistant bending-resistant bracket, which comprises a first steel pipe 1, a second steel pipe 2, an upper baffle block 3, a lower baffle block 4, a first beam 5 and a second beam 6, wherein one end of the second steel pipe 2 is sleeved outside the first steel pipe 1; one ends of the first cross beam 5 and the second cross beam 6, which are close to each other, are respectively provided with a semicircular first steel block 9 and a semicircular second steel block 10, and the first steel block and the second steel block are butted to form an annular structure sleeved outside the second steel pipe 2; the upper and lower stop blocks are of square structures, the middle parts of the upper and lower stop blocks are respectively connected through a first compression spring 31 and a second compression spring 41, and one ends of the first steel pipe 1 and the second steel pipe 2 which are sleeved with the first steel pipe 1 are respectively provided with a first steel pipe upper positioning hole and a second steel pipe upper positioning hole 7 for the end part of the upper stop block 3 to pass through, and a first steel pipe lower positioning hole and a second steel pipe lower positioning hole 8 for the end part of the lower stop block 4 to pass through; the upper and lower stop blocks are respectively provided with a first arc-shaped groove 32 and a second arc-shaped groove 42 which are used for matching and clamping with the end faces of the first and second steel blocks, the cross section area of the second steel pipe 2 is larger than that of the first steel pipe 1, the problem of overlarge contact stress concentration between the upper part of the bracket and other parts is solved, the compression resistance of the bracket is improved, and materials are fully utilized; each steel pipe can stretch out and draw back from top to bottom, and other parts all can be dismantled, practice thrift the transportation space, portable, and it is convenient to install, repeatedly usable easily promotes.
After the upper stop block 3 and the lower stop block 4 respectively pass through the upper positioning holes of the first steel pipe and the second steel pipe and the lower positioning holes of the first steel pipe and the second steel pipe, the horizontal projection of the extension lines is vertical,
the thickness of the first steel block 9 and the second steel block 10 is not larger than the width of the first arc-shaped groove 32 and the second arc-shaped groove 42, so that the first steel block 9 and the second steel block 10 can be better inserted into the first arc-shaped groove and the second arc-shaped groove.
The upper block 3 and the lower block 4 are respectively provided with a first limiting lug 33 and a second limiting lug 43 on the side walls of two ends connected with the first compression spring 31 and the second compression spring 41, so that the upper block and the lower block cannot be separated from the upper positioning holes of the first steel pipe and the second steel pipe and the lower positioning holes of the first steel pipe and the second steel pipe under the resetting action of the first compression spring and the second compression spring.
Be equipped with first otic placode 13, second otic placode 14 on the tip outer wall of first steel billet 9 and second steel billet 10 respectively, be equipped with first steel billet bolt hole 16 and second steel billet bolt hole 17 that are used for fixing bolt 15 to pass on first, the second otic placode respectively, through setting up first, second otic placode and first, second steel billet bolt hole cooperation bolt, the better end connection with first, second steel billet of nut on and.
The first cross beam 5 and the second cross beam 6 are respectively provided with a first cross beam bolt 18 and a second cross beam bolt 19 which penetrate through the outer walls of the first cross beam and the second cross beam; the first steel pipe 1 and the second steel pipe 2 are respectively provided with a first steel pipe bolt 20 and a second steel pipe bolt 21 which penetrate through the outer walls of the first steel pipe 1 and the second steel pipe 2, the end parts of the first steel pipe bolt and the second steel pipe bolt are respectively connected with the end parts of the first cross beam bolt and the second cross beam bolt through a support frame 22, and the bending resistance and the pressure resistance of the support are obviously improved through the installation of the support frame 22.
The support frame 22 is of a square structure, support frame through holes 23 are formed in the side walls of the two ends of the support frame, and the support frame 22 is installed by matching with the locking nuts after penetrating through the support frame through holes 23 through the first cross beam bolt, the second cross beam bolt, the first steel pipe bolt and the second steel pipe bolt.
The included angle between the adjacent support frames 22 is 90 degrees, so that the bending resistance and the compression resistance of the support are further obviously improved.
The mounting method comprises the following steps:
s1: selecting a bracket with a proper specification through stress analysis;
s2: putting the lower block 4 and the upper block 3 into the first steel pipe 1 from the top in sequence, and enabling the end parts of the upper block 3 and the lower block 4 to extend out of the first steel pipe upper positioning hole and the first steel pipe lower positioning hole;
s3: pressing the two ends of the upper and lower stop blocks to compress the first and second compression springs, retracting the ends of the upper and lower stop blocks into the upper and lower positioning holes of the first steel pipe, sleeving the first steel pipe 1 into the second steel pipe 2, stretching the first steel pipe 1 and the second steel pipe 2, and when the upper and lower stop blocks move to the upper and lower positioning holes of the second steel pipe, the reset action of the first and second compression springs makes the ends of the upper and lower stop blocks extend out from the upper positioning hole 7 of the second steel pipe and the lower positioning hole 8 of the second steel pipe, thus completing the limit of the first and second steel pipes in the vertical direction;
s4: the first steel block 9 and the second steel block 10 are clamped with the first arc-shaped groove and the second arc-shaped groove on the upper stop block and the lower stop block, and the end parts of the first steel block and the second steel block are connected by bolts, so that the upper stop block and the lower stop block cannot retract into the first steel pipe and the second steel pipe in the working process, and the first steel pipe and the second steel pipe are prevented from retracting;
s5: the support frame 22 is fixed by the first and second steel pipe bolts and the first and second beam bolts, and the beams are connected with the steel pipes, so that the bending resistance and the pressure resistance are obviously improved.
The above mentioned is only the embodiment of the present invention, not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings or the direct or indirect application in the related technical field are included in the patent protection scope of the present invention.
Claims (9)
1. The utility model provides a portable telescopic resistance to compression bending support which characterized in that: the device comprises a first steel pipe (1), a second steel pipe (2) with one end sleeved outside the first steel pipe (1), an upper stop block (3), a lower stop block (4), a first cross beam (5) and a second cross beam (6);
one ends of the first cross beam (5) and the second cross beam (6) close to each other are respectively provided with a semicircular first steel block (9) and a semicircular second steel block (10), and the first steel block and the second steel block are butted to form an annular structure sleeved outside the second steel pipe (2);
the upper and lower retaining blocks are of square structures, the middle parts of the upper and lower retaining blocks are connected through a first compression spring (31) and a second compression spring (41), and one ends, sleeved with the first steel pipe (1), of the first steel pipe (1) and the second steel pipe (2) are respectively provided with a first steel pipe upper positioning hole, a second steel pipe upper positioning hole (7) and a first steel pipe lower positioning hole and a second steel pipe lower positioning hole (8), wherein the end parts of the upper retaining block (3) and the lower retaining block (4) penetrate through the first steel pipe upper positioning hole and the second steel pipe upper positioning hole; and the upper stop block and the lower stop block are respectively provided with a first arc-shaped groove (32) and a second arc-shaped groove (42) which are used for matching and clamping with the end faces of the first steel block and the second steel block.
2. The portable telescopic compression and bending resistant support as claimed in claim 1, wherein: after the upper stop block (3) and the lower stop block (4) respectively pass through the upper positioning holes of the first steel pipe and the second steel pipe and the lower positioning holes of the first steel pipe and the second steel pipe, the horizontal projection of the extension lines of the upper stop block and the lower stop block is vertical.
3. The portable telescopic compression and bending resistant support as claimed in claim 2, wherein: the thicknesses of the first steel block (9) and the second steel block (10) are not larger than the widths of the first arc-shaped groove (32) and the second arc-shaped groove (42).
4. The portable telescopic compression and bending resistant support as claimed in claim 3, wherein: and the upper stop block (3) and the lower stop block (4) are respectively provided with a first limiting lug (33) and a second limiting lug (43) on the side walls of the two ends connected with the first compression spring (31) and the second compression spring (41).
5. The portable telescopic anti-buckling and anti-bending frame as claimed in claim 4, wherein: the outside of first compression spring (31) and second compression spring (41) is equipped with first empty case (11) and second empty case (12) respectively, first, second empty case is cavity both ends open-ended square structure, be equipped with on the tip lateral wall of first, second empty case with first breach (34) and second breach (44) of first, the spacing lug assorted of second.
6. The portable telescopic compression and bending resistant support as claimed in claim 5, wherein: be equipped with first otic placode (13), second otic placode (14) on the tip outer wall of first steel billet (9) and second steel billet (10) respectively, be equipped with first steel billet bolt hole (16) and second steel billet bolt hole (17) that are used for fixing bolt (15) to pass on first, the second otic placode respectively.
7. The portable telescopic compression and bending resistant support according to any one of claims 1-6, wherein: a first cross beam bolt (18) and a second cross beam bolt (19) penetrating through the outer walls of the first cross beam (5) and the second cross beam (6) are respectively arranged on the first cross beam and the second cross beam; and the first steel pipe (1) and the second steel pipe (2) are respectively provided with a first steel pipe bolt (20) and a second steel pipe bolt (21) which penetrate through the outer walls of the first steel pipe and the second steel pipe, and the end parts of the first steel pipe bolt and the second steel pipe bolt are respectively connected with the end parts of the first cross beam bolt and the second cross beam bolt through a support frame (22).
8. The portable telescopic compression and bending resistant support as claimed in claim 7, wherein: the support frame (22) is of a square structure, and support frame through holes (23) are formed in the side walls of the two ends of the support frame.
9. The portable telescopic compression and bending resistant support as claimed in claim 8, wherein: the included angle between the adjacent support frames (22) is 90 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921614912.2U CN211547358U (en) | 2019-09-26 | 2019-09-26 | Portable telescopic compression-resistant bending-resistant support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921614912.2U CN211547358U (en) | 2019-09-26 | 2019-09-26 | Portable telescopic compression-resistant bending-resistant support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211547358U true CN211547358U (en) | 2020-09-22 |
Family
ID=72497811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921614912.2U Expired - Fee Related CN211547358U (en) | 2019-09-26 | 2019-09-26 | Portable telescopic compression-resistant bending-resistant support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211547358U (en) |
-
2019
- 2019-09-26 CN CN201921614912.2U patent/CN211547358U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200922 Termination date: 20210926 |
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| CF01 | Termination of patent right due to non-payment of annual fee |