CN212094476U - Limiting and protecting device for lengthened drill bit for steel pipe bundle structural system - Google Patents
Limiting and protecting device for lengthened drill bit for steel pipe bundle structural system Download PDFInfo
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- CN212094476U CN212094476U CN202020586811.5U CN202020586811U CN212094476U CN 212094476 U CN212094476 U CN 212094476U CN 202020586811 U CN202020586811 U CN 202020586811U CN 212094476 U CN212094476 U CN 212094476U
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- drill bit
- flange plate
- hand member
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- protection tube
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Abstract
The utility model particularly relates to a steel-pipe bundle structure system is with spacing protection device of extension drill bit has solved the problem that has the drill bit fragile, the potential safety hazard is great and the drilling depth varies influences the major structure quality when current steel-pipe bundle structure system adopts extension drill bit drilling. A flange is fixed at the power end of the electric hand drill, a drill bit fixture and a hollow support rod are arranged at the right end of the flange, and a lengthened alloy drill bit is arranged on the drill bit fixture; the limiting protection mechanism comprises a flange plate I, and a screw and a locking nut are fixed at the left end of the flange plate I; the right-hand member center of ring flange I is provided with the drill bit protection tube, and the right-hand member portion of drill bit protection tube is provided with cyclic annular chuck and cyclic annular compression dish and compression spring between the two, and the right-hand member face of disc compression dish is provided with the auxiliary protection pipe that opens on the lateral wall has the spacing hole of strip, is provided with the gag lever post on the right-hand member face of drill bit protection tube. The utility model discloses an accurate uniformity of extension alloy drill bit drilling depth has stopped the emergence of phenomenon of rupture moreover.
Description
Technical Field
The utility model relates to a drill bit protection device for construction specifically is a steel-pipe bundle structure system is with spacing protection device of extension drill bit.
Background
In the construction of passive room projects, the heat insulation thickness of the outer wall is generally 200-300mm, a lengthened alloy drill bit is required to be used for drilling in the fixing and heat insulation process, and a heat insulation material anchoring piece is installed, particularly, when a main structure adopts a steel pipe bundle combined structure system, the lengthened alloy drill bit is easy to generate deflection and damage in the drilling process under the condition that the alloy drill bit is overlong, and the drilling depth is different, so that the quality of the main structure is seriously influenced.
Disclosure of Invention
The utility model discloses a there is drill bit fragile, the great and drilling depth of potential safety hazard problem that influences construction quality that varies when solving current steel-pipe bundle structural system and adopting extension drill bit drilling, provide a steel-pipe bundle structural system is with spacing protection device of extension drill bit.
The utility model discloses an adopt following technical scheme to realize: a lengthened drill bit limiting protection device for a steel pipe bundle structural system comprises an electric hand drill and a limiting protection mechanism; a flange is fixed at the power end of the electric hand drill, a drill bit fixture is arranged in the middle of the right end of the flange, a lengthened alloy drill bit is arranged on the drill bit fixture, a plurality of hollow support rods fixed with the flange are arranged on the outer side of the drill bit fixture, and circular holes communicated with the hollow support rods are formed in the flange; the limiting protection mechanism comprises a flange plate I which is positioned on the right side of the flange plate and is arranged in parallel with the flange plate, a screw rod inserted into each hollow supporting rod is fixed at the left end of the flange plate I, and a locking nut tightly attached to the left end face of the flange plate is screwed on the screw rod; the right-hand member center of ring flange I is provided with the drill bit protection tube rather than having a perfect understanding, the right-hand member portion of drill bit protection tube is fixed with annular chuck, annular chuck's right side cover has annular compression dish, be provided with between annular compression dish and the annular chuck and be connected compression spring with both, annular compression dish's right-hand member face is provided with the auxiliary protection tube that the internal diameter is greater than the drill bit protection tube external diameter, it has the spacing hole of the strip that the symmetry set up and left right direction set up to open on auxiliary protection tube's the lateral wall, be provided with the gag lever post that penetrates in the spacing.
When the drilling operation is carried out, after the external wall is insulated and pasted and the strength of the bonding mortar meets the design requirement, determining the positions of anchor bolts according to the number of the designed anchor bolts per square meter to drill holes; the electric hand drill switch is turned on, the lengthened alloy drill bit drills to the steel pipe bundle structure system, the auxiliary protection pipe drives the annular compression disc to move to the left side in the drilling process, the compression spring is compressed, meanwhile, the drill bit protection pipe drives the limiting rod to move rightwards in the strip-shaped limiting hole, when the limiting rod moves to the rightmost end of the strip-shaped limiting hole, the drill bit reaches the designed drilling depth, the work is stopped, the problems that when the existing steel pipe bundle structure system adopts the lengthened drill rod drill bit, the drill bit is easy to damage, the potential safety hazard is large, and the drilling depth is different to affect the quality of the main structure are solved.
The flange plate and the flange plate I are both of square structures, and the hollow support rods are arranged at four corners of the flange plate.
The utility model has the advantages of reasonable design reliably, realized the accurate uniformity of extension alloy drill bit drilling depth, thoroughly stopped extension alloy drill bit moreover and aroused the emergence of phenomenon of rupture because of producing the amount of deflection, and then stopped the emergence of potential safety hazard, had simple structure, convenient operation and the advantage that improves the efficiency.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the electric hand drill of FIG. 1;
fig. 3 is a schematic structural diagram of the limiting protection mechanism in fig. 1.
In the figure: the method comprises the following steps of 1-an electric hand drill, 2-a flange plate, 3-a drill clamp, 4-an elongated alloy drill, 5-a hollow support rod, 6-a flange plate I, 7-a screw rod, 8-a locking nut, 9-a drill protection pipe, 10-an annular chuck, 11-an annular compression disc, 12-a compression spring, 13-an auxiliary protection pipe, 14-a strip-shaped limiting hole and 15-a limiting rod.
Detailed Description
A lengthened drill bit limiting protection device for a steel pipe bundle structural system comprises an electric hand drill 1 and a limiting protection mechanism;
a flange 2 is fixed at the power end of the electric hand drill 1, a drill bit fixture 3 is arranged in the middle of the right end of the flange 2, a lengthened alloy drill bit 4 is arranged on the drill bit fixture 3, a plurality of hollow support rods 5 fixed with the flange 2 are arranged on the outer side of the drill bit fixture 3, and circular holes communicated with the hollow support rods 5 are formed in the flange 2;
the limiting protection mechanism comprises a flange plate I6 which is positioned at the right side of the flange plate 2 and is arranged in parallel with the flange plate 2, a screw 7 inserted into each hollow supporting rod 5 is fixed at the left end of the flange plate I6, and a locking nut 8 tightly attached to the left end face of the flange plate 2 is screwed on the screw 7; the right-hand member center of ring flange I6 is provided with rather than the drill bit protection tube 9 that link up, the right-hand member portion of drill bit protection tube 9 is fixed with annular chuck 10, the right side cover of annular chuck 10 has annular compression dish 11, be provided with between annular compression dish 11 and the annular chuck 10 with both compression spring 12 of being connected, the right-hand member face of annular compression dish 11 is provided with the auxiliary protection tube 13 that the internal diameter is greater than the drill bit protection tube 9 external diameter, it has the strip spacing hole 14 that the symmetry set up and left right direction set up to open on the lateral wall of auxiliary protection tube 13, be provided with the gag lever post 15 that penetrates in the strip spacing hole 14 on the right.
The flange plate 2 and the flange plate I6 are both square structures, and the hollow support rods 5 are arranged at four corners of the flange plate 2.
In the specific implementation process, the lengthened drill bit limiting protection device needs to be assembled before drilling, the screw rod is inserted into the hollow support rod 5 and penetrates through the circular hole in the flange plate 2, the length of the hollow support rod is equal to the distance between the flange plate 2 and the flange plate I6, then the locking nut 8 is screwed, and the flange plate 2 and the flange plate I6 are ensured to be parallel.
Claims (2)
1. The utility model provides a spacing protection device of extension drill bit for steel-pipe bundle structure system which characterized in that: comprises an electric hand drill (1) and a limit protection mechanism;
a flange plate (2) is fixed at the power end of the electric hand drill (1), a drill bit fixture (3) is arranged in the middle of the right end of the flange plate (2), a lengthened alloy drill bit (4) is arranged on the drill bit fixture (3), a plurality of hollow support rods (5) fixed with the flange plate (2) are arranged on the outer side of the drill bit fixture (3), and circular holes communicated with the hollow support rods (5) are formed in the flange plate (2);
the limiting protection mechanism comprises a flange plate I (6) which is positioned at the right side of the flange plate (2) and is arranged in parallel with the flange plate (2), a screw rod (7) inserted into each hollow support rod (5) is fixed at the left end of the flange plate I (6), and a locking nut (8) tightly attached to the left end face of the flange plate (2) is screwed on the screw rod (7); the right-hand member center of ring flange I (6) is provided with rather than drill bit protection tube (9) that link up, the right-hand member portion of drill bit protection tube (9) is fixed with annular chuck (10), the right side cover of annular chuck (10) has annular compression dish (11), be provided with compression spring (12) of being connected with both between annular compression dish (11) and annular chuck (10), the right-hand member face of annular compression dish (11) is provided with auxiliary protection tube (13) that the internal diameter is greater than drill bit protection tube (9) external diameter, open on the lateral wall of auxiliary protection tube (13) have the symmetry set up and control the spacing hole of orientation setting (14), be provided with gag lever post (15) that penetrate in the spacing hole of strip (14) on the right-hand member face of drill bit protection.
2. The lengthened drill bit limiting and protecting device for the steel pipe bundle structural system according to claim 1, characterized in that: the flange plate (2) and the flange plate I (6) are both of square structures, and the hollow support rods (5) are arranged at four corners of the flange plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020586811.5U CN212094476U (en) | 2020-04-20 | 2020-04-20 | Limiting and protecting device for lengthened drill bit for steel pipe bundle structural system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020586811.5U CN212094476U (en) | 2020-04-20 | 2020-04-20 | Limiting and protecting device for lengthened drill bit for steel pipe bundle structural system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212094476U true CN212094476U (en) | 2020-12-08 |
Family
ID=73641079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020586811.5U Active CN212094476U (en) | 2020-04-20 | 2020-04-20 | Limiting and protecting device for lengthened drill bit for steel pipe bundle structural system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212094476U (en) |
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2020
- 2020-04-20 CN CN202020586811.5U patent/CN212094476U/en active Active
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