CN214303876U - A prevent device that falls for construction of SN vault stock - Google Patents
A prevent device that falls for construction of SN vault stock Download PDFInfo
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- CN214303876U CN214303876U CN202022719677.4U CN202022719677U CN214303876U CN 214303876 U CN214303876 U CN 214303876U CN 202022719677 U CN202022719677 U CN 202022719677U CN 214303876 U CN214303876 U CN 214303876U
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Abstract
The utility model provides a prevent device that falls for construction of SN vault stock belongs to construction equipment technical field, it specifically includes the installation cassette, prevent weighing down fixture block and stock stop gear, the installation cassette is the taper structure that the axial has run through the through-hole, it has a plurality ofly to prevent weighing down the fixture block, and a plurality of prevent weighing down the fixture block and be taper distribution on the terminal surface of installation cassette open end along the axial of installation cassette, and prevent that the taper structure open end aperture of weighing down the fixture block is greater than the taper structure opening aperture of installation cassette, stock stop gear sets up on the through-hole pore wall of installation cassette. Through the utility model discloses a prevent that tenesmus device can prevent that grouting pump or other equipment from producing vibrations at the slip casting in-process and making stock and slip casting jogged joint not hard up, reaches the purpose that prevents the stock and fall.
Description
Technical Field
The utility model belongs to the technical field of the construction equipment, a equipment is used in tunnel construction is related to, specifically is a prevent device that falls for SN vault stock construction.
Background
The grouting anchor rod is a hollow anchor rod, is mainly used for relatively stabilizing a complete rock stratum, and is characterized in that anchoring agents such as resin, engineering glue, quick-setting cement and the like are injected from the center of the anchor rod to fill gaps of the rock. In the tunnel construction process, because gaps exist between soil bodies or rocks above the tunnel, relative sliding is easily generated under strong vibration, and unsafe accidents are caused, a plurality of grouting holes are required to be drilled on the inner wall of the tunnel, grouting anchor rods are installed in the grouting holes, most of the grouting anchor rods are threaded rods, grouting stop plugs, backing plates and nuts are connected to the grouting anchor rods, the grouting holes are plugged through the grouting stop plugs after grouting is completed, the grouting stop plugs are fixed at the tops of the grouting anchor rods through the backing plates and the nuts, after the nuts are screwed down, the nuts can generate downward pulling stress to the grouting anchor rods along the radial direction of the tunnel, because gaps are reserved between the grouting anchor rods and the grouting holes, the grouting anchor rods are easily caused to fall from the grouting holes, and aiming at thicker pasty concrete, the grouting anchor rods are driven into the gaps between the soil bodies or rocks above the tunnel through the grouting anchor rods, can produce stronger vibrations at the use grouting pump or other equipment slip casting in-process, make slip casting stock and slip casting hole junction not hard up more easily, lead to the slip casting stock to fall.
SUMMERY OF THE UTILITY MODEL
To the problem that among the above-mentioned prior art tunnel construction in-process slip casting stock falls from slip casting downthehole easily, the utility model provides a prevent device that falls for construction of SN vault stock. The specific technical scheme is as follows:
the utility model provides a prevent device that falls for construction of SN vault stock, includes the installation cassette, prevents weighing down fixture block and stock stop gear, the installation cassette is the axial and has penetrated the taper structure that has the through-hole, it has a plurality ofly to prevent weighing down the fixture block, and a plurality ofly prevents weighing down the fixture block and be the taper along the axial of installation cassette and distribute on the terminal surface of installation cassette open end, just prevent that the taper structure open end aperture of weighing down the fixture block is greater than the taper structure open end aperture of installation cassette, stock stop gear sets up on the through-hole pore wall of installation cassette.
Further inject, stock stop gear has a plurality ofly, and a plurality of stock stop gear along the axial of installation cassette evenly set up on the through-hole pore wall of installation cassette.
Further inject, stock stop gear includes a plurality of stoppers and a plurality of elasticity card, and a plurality of stoppers and a plurality of elasticity card interval distribution on the through-hole pore wall of installation cassette.
Further inject, the end of elasticity card is provided with prevents the tenesmus chamfer, the chamfer direction of preventing the tenesmus chamfer sets up with the terminal surface of installation cassette holding end is relative.
Further limiting, the anti-falling clamping blocks are uniformly distributed on the end face of the opening end of the mounting clamping seat in a conical shape along the axial direction of the mounting clamping seat.
Further inject, it prevents weighing down to be provided with a plurality of barbs of preventing on the fixture block, prevent weighing down the barb and be the downward triangular pyramid structure of cone angle.
Further limit, prevent weighing down the barb along preventing weighing down the axial top-down evenly distributed of fixture block.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. the utility model is used for SN vault stock construction prevents device that descends, it is including installation cassette, prevent weighing down fixture block and stock stop gear, and stock stop gear sets up on the through-hole pore wall of installation cassette, prevents weighing down the fixture block and has a plurality ofly, and a plurality of prevent weighing down the fixture block and be taper along the axial of installation cassette and distribute on the terminal surface of installation cassette open end. When the construction, stock stop gear cup joints on the stock, with the screw thread chucking on the stock, prevents weighing down the through-hole pore wall chucking of fixture block and slip casting hole, passes through promptly the utility model discloses a prevent that the tenesmus device fixes the stock downthehole at the slip casting, prevent that grouting pump or other equipment from producing vibrations at the slip casting in-process and making stock and slip casting jogged joint not hard up, reach the purpose that prevents the stock and fall.
2. Stock stop gear has a plurality ofly, a plurality of stock stop gear set up on the through-hole pore wall of installation cassette uniformly along the axial of installation cassette, it comprises a plurality of stoppers and a plurality of elasticity card, interval distribution on the through-hole pore wall of installation cassette is gone up to a plurality of stoppers and a plurality of elasticity card, be provided with at the end of elasticity card and prevent the chamfer of tenesmus, the chamfer direction of preventing the chamfer of tenesmus sets up with the terminal surface of installation cassette receipts end relatively, the stopper tightly laminates with the stock, prevent on the elasticity card that the chamfer of tenesmus card is in the threaded thread groove on the stock, can be with tighter of stock card.
3. Be provided with a plurality of barbs of preventing weighing down on preventing weighing down the fixture block, prevent weighing down the barb and be the downward triangular pyramid structure of cone angle, prevent that the cone angle on the barb pushes up on the pore wall of slip casting hole, can be with the stock more firm at slip casting downthehole connection through preventing weighing down the barb.
Drawings
Fig. 1 is a schematic structural view of the anti-falling device of the present invention;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a cross-sectional view of FIG. 1 taken along the central axis;
wherein, 1-installing the clamping seat, 2-preventing the falling block, 3-preventing the falling barb, 4-limiting block, 5-elastic clamping piece.
Detailed Description
The technical solution of the present invention is further explained below with reference to the drawings and examples, but the present invention is not limited to the embodiments explained below.
The utility model relates to a prevent device that falls for construction of SN vault stock, including installation cassette 1, prevent weighing down fixture block 2 and stock stop gear, installation cassette 1 is the taper structure that the axial has run through the through-hole, prevents weighing down fixture block 2 and has a plurality ofly, and a plurality of prevent weighing down fixture block 2 and be the taper along installation cassette 1's axial and distribute on the terminal surface of installation cassette 1 open end, and prevent that the taper structure open end aperture of weighing down fixture block 2 is greater than the taper structure open end aperture of installation cassette 1, stock stop gear sets up on installation cassette 1's through-hole pore wall. The anchor rod limiting mechanisms are multiple and are uniformly arranged on the wall of the through hole of the mounting clamping seat 1) along the axial direction of the mounting clamping seat 1). The stock stop gear includes a plurality of stoppers 4 and a plurality of elasticity card 5, and a plurality of stoppers 4 and a plurality of elasticity card 5 interval distribution on the through-hole pore wall of installation cassette 1. The tail end of the elastic clamping piece 5 is provided with a falling-preventing chamfer, and the chamfer direction of the falling-preventing chamfer is opposite to the end face of the closed end of the mounting clamping seat 1. The anti-falling clamping blocks 2 are uniformly distributed on the end surface of the opening end of the installation clamping seat 1 in a conical shape along the axial direction of the installation clamping seat 1. The anti-falling fixture block 2 is provided with a plurality of anti-falling barbs 3, and the anti-falling barbs 3 are triangular pyramid structures with downward cone angles. The anti-falling barbs 3 are uniformly distributed along the axial direction of the anti-falling clamping block 2 from top to bottom.
Example 1
Referring to fig. 1-3, the anti-dropping device for SN vault anchor rod construction of this embodiment includes an installation clamping seat 1, anti-dropping clamping blocks 2 and an anchor rod limiting mechanism, the whole anti-dropping device is made of plastic material, the installation clamping seat 1 is a tapered structure with a large top and a small bottom, through holes axially penetrate through the installation clamping seat 1, there are 8 anti-dropping clamping blocks 2, 8 anti-dropping clamping blocks 2 are arranged on the end surface of the opening end of the installation clamping seat 1, and the 8 anti-dropping clamping blocks 2 are uniformly distributed along the axial direction of the installation clamping seat 1 in a tapered structure, the aperture of the opening end of the tapered structure formed by the 8 anti-dropping clamping blocks 2 is larger than that of the opening end of the tapered structure formed by the installation clamping seat 1, the opening direction of the opening end of the tapered structure formed by the anti-dropping clamping blocks 2 is consistent with the opening direction of the opening end of the tapered structure of the installation clamping seat 1, the aperture of the tapered structure formed by the anti-dropping clamping blocks 2 is larger, the anti-falling device is tightly clamped with the inner wall of a grouting hole, 4 anti-falling barbs 3 are arranged on one side surface of the anti-falling fixture block 2 close to the grouting hole, the anti-falling barbs 3 are sequentially and uniformly distributed from top to bottom along the axial direction of the anti-falling fixture block 2, the anti-falling barbs 3 are of a triangular pyramid structure with a downward cone angle, and the cone angle of the anti-falling barbs 3 is pressed against the hole wall of the grouting hole; stock stop gear has 6, 6 stock stop gear sets up on installation cassette 1's through-hole pore wall uniformly along installation cassette 1's axial, every stock stop gear comprises 4 stoppers 4 and 4 elasticity cards 5, a stopper 4 is a set of with an elasticity card 5, stopper 4 and elasticity card 5 are even and interval distribution on installation cassette 1's through-hole pore wall, elasticity card 5 has elasticity, can prevent to produce when producing vibrations and warp or cracked, be provided with at the end of elasticity card 5 and prevent the chamfer of weighing down, the chamfer direction of preventing the chamfer of weighing down sets up with the terminal surface of installation cassette 1 receipts end relatively, prevent that the chamfer of weighing down blocks in the threaded screwed hole on the stock.
The embodiment provides a prevent device that drops for construction of SN vault stock, its use is: the anti-falling device is sleeved at the top end of the anchor rod, the limiting block 4 on the wall of the through hole of the mounting clamping seat 1 is tightly attached to the rod wall of the anchor rod, the anti-falling chamfer on the elastic clamping piece 5 is arranged in a thread groove of a thread on the anchor rod, and the anti-falling device is clamped and fixed with the anchor rod through the limiting block 4 and the elastic clamping piece 5; then the top end of the anchor rod is stretched into the grouting hole, the anti-falling clamping block 2 is clamped on the hole wall of the grouting hole, and the anti-falling clamping block 2 is tightly clamped on the hole wall of the grouting hole through the anti-falling barb 3. Prevent the tenesmus device through this embodiment and fix the stock downthehole at the slip casting, prevent that grouting pump or other equipment from producing vibrations at the slip casting in-process and making stock and slip casting jogged joint not hard up, reach the purpose that prevents the stock and fall.
Example 2
The embodiment is a falling-proof device for SN vault anchor rod construction, which comprises an installation clamping seat 1, falling-proof clamping blocks 2 and an anchor rod limiting mechanism, wherein the whole falling-proof device is made of steel, the installation clamping seat 1 is of a tapered structure with a large upper part and a small lower part, a through hole penetrates through the installation clamping seat 1 along the axial direction, 6 falling-proof clamping blocks 2 are provided, 6 falling-proof clamping blocks 2 are arranged on the end surface of the opening end of the installation clamping seat 1, the 6 falling-proof clamping blocks 2 are uniformly distributed along the axial direction of the installation clamping seat 1 in a tapered structure, the aperture of the opening end of the tapered structure formed by the 6 falling-proof clamping blocks 2 is larger than that of the opening end of the tapered structure formed by the installation clamping seat 1, the opening direction of the opening end of the tapered structure formed by the falling-proof clamping blocks 2 is consistent with the opening direction of the opening end of the tapered structure of the installation clamping seat 1, the larger aperture of the tapered structure formed by the falling-proof clamping blocks 2 is more tightly clamped with the inner wall of a grouting hole, the anti-falling fixture block 2 is provided with 6 anti-falling barbs 3 on one side surface close to the grouting hole, the anti-falling barbs 3 are sequentially and uniformly distributed from top to bottom along the axial direction of the anti-falling fixture block 2, the anti-falling barbs 3 are of a triangular pyramid structure with a downward cone angle, and the cone angle of the anti-falling barbs 3 is pressed against the hole wall of the grouting hole; stock stop gear has 5, 5 stock stop gear sets up on installation cassette 1's through-hole pore wall uniformly along installation cassette 1's axial, every stock stop gear comprises 3 stopper 4 and 3 elasticity card 5, stopper 4 is the cuboid structure, a stopper 4 is a set of with an elasticity card 5, elasticity card 5 sets up in stopper 4 below, and stopper 4 and elasticity card 5 evenly just interval distribution on the through-hole pore wall of installation cassette 1, elasticity card 5 has elasticity, can prevent to produce when producing vibrations and warp or cracked, be provided with at the end of elasticity card 5 and prevent the chamfer of tenesmus, the chamfer direction of preventing the tenesmus chamfer sets up with the terminal surface of installation cassette 1 spigot end relatively, prevent the screw thread downthehole of chamfer card on the stock.
The anti-dropping device for the construction of the SN vault anchor rod has the same using process as that of the embodiment 1.
Claims (7)
1. The utility model provides a prevent device that falls for construction of SN vault stock, a serial communication port, including installation cassette (1), prevent weighing down fixture block (2) and stock stop gear, installation cassette (1) is the taper structure that the axial has run through the through-hole, prevent weighing down fixture block (2) have a plurality ofly, and a plurality ofly prevent weighing down fixture block (2) and be the taper along the axial of installation cassette (1) and distribute on the terminal surface of installation cassette (1) open end, just prevent weighing down the taper structure open end aperture that fixture block (2) is greater than the taper structure open end aperture of installation cassette (1), stock stop gear sets up on the through-hole pore wall of installation cassette (1).
2. The anti-dropping device for SN vault anchor rod construction according to claim 1, wherein there are a plurality of anchor rod limiting mechanisms, and the plurality of anchor rod limiting mechanisms are uniformly arranged on the through hole wall of the installation clamping seat (1) along the axial direction of the installation clamping seat (1).
3. The anti-dropping device for SN vault anchor rod construction according to claim 2, wherein the anchor rod limiting mechanism comprises a plurality of limiting blocks (4) and a plurality of elastic clamping pieces (5), and the plurality of limiting blocks (4) and the plurality of elastic clamping pieces (5) are distributed on the through hole wall of the installation clamping seat (1) at intervals.
4. The anti-falling device for the SN vault anchor rod construction according to claim 3, wherein the tail end of the elastic clamping piece (5) is provided with an anti-falling chamfer, and the chamfer direction of the anti-falling chamfer is opposite to the end face of the receiving end of the installation clamping seat (1).
5. The drop-preventing device for the SN vault anchor rod construction according to claim 4, wherein the drop-preventing fixture blocks (2) are uniformly distributed on the end face of the opening end of the installation fixture seat (1) in a conical shape along the axial direction of the installation fixture seat (1).
6. The anti-dropping device for SN vault anchor rod construction according to claim 5, characterized in that a plurality of anti-dropping barbs (3) are provided on the anti-dropping fixture block (2), the anti-dropping barbs (3) are triangular pyramid structures with downward taper angles.
7. The anti-dropping device for SN vault anchor construction according to claim 6, characterized in that the anti-dropping barbs (3) are evenly distributed along the axial direction of the anti-dropping fixture block (2) from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022719677.4U CN214303876U (en) | 2020-11-20 | 2020-11-20 | A prevent device that falls for construction of SN vault stock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022719677.4U CN214303876U (en) | 2020-11-20 | 2020-11-20 | A prevent device that falls for construction of SN vault stock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214303876U true CN214303876U (en) | 2021-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022719677.4U Active CN214303876U (en) | 2020-11-20 | 2020-11-20 | A prevent device that falls for construction of SN vault stock |
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| Country | Link |
|---|---|
| CN (1) | CN214303876U (en) |
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2020
- 2020-11-20 CN CN202022719677.4U patent/CN214303876U/en active Active
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