CN210343215U - Construction device for protecting wall and preventing hole shrinkage and hole collapse of rotary drilling bucket - Google Patents
Construction device for protecting wall and preventing hole shrinkage and hole collapse of rotary drilling bucket Download PDFInfo
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- CN210343215U CN210343215U CN201920476129.8U CN201920476129U CN210343215U CN 210343215 U CN210343215 U CN 210343215U CN 201920476129 U CN201920476129 U CN 201920476129U CN 210343215 U CN210343215 U CN 210343215U
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- rotary drilling
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Abstract
The utility model discloses a dig soon and bore construction equipment of protecting wall and prevent shrinkage cavity, hole of collapsing, one of them dig soon and bore the protecting wall and be annular symmetrical arrangement dig soon and bore the top of fighting, the device through welding or bolted connection's mode with dig soon and bore the fill fixed, along with dig soon and bore the fill rotation. The rotary drilling bucket plays a role in sweeping holes and protecting walls with mud in the hole forming process of cohesive soil or mucky soil layers, and diameter shrinkage and hole collapse are prevented. The wall protection device of the rotary drilling bucket solves the problem that an effective mud wall protection cannot be formed in the hole forming process of the rotary drilling rig, and simultaneously solves the problem that hole shrinkage and hole collapse are easy to generate in hole forming construction of the rotary drilling rig in a mucky soil layer, a sandy soil layer or a cohesive soil layer. The advantages are that: (1) the device has simple structure, convenient maintenance and low cost; (2) the device can be directly welded to the existing drill bucket; (3) the device rotates with the drill bucket for taking soil.
Description
Technical Field
The utility model relates to a civil engineering field, concretely relates to dig rig pore-forming construction technology soon.
Background
With the wide use of rotary drilling rigs in engineering construction, the construction of the rotary drilling equipment in a clay layer and a sludge layer is widely popularized. Due to the fact that in the sludge layer, a great negative pressure is generated in the process of lifting the rotary drilling bucket, the hole wall collapses caused by the instability of the protective wall, and the hole wall shrinkage cannot meet the design requirements caused by the instability of the protective wall due to the great negative pressure generated in the clay layer.
SUMMERY OF THE UTILITY MODEL
The wall guard of the rotary drilling bucket is formed by painting the wall of a hole by utilizing the device, a mud passage is arranged to avoid the piston effect, the wall guard can be applied to the rotary drilling rig in the construction pore-forming of a clay layer and a sludge layer, and the repeated hole sweeping and the sediment removal at the bottom of the hole are avoided.
The utility model provides a dig protection wall that drills soon, includes to dig the supplementary protection wall device of drilling bucket pore-forming direction soon that drills soon rotatory, and it is fixed with digging the drilling bucket soon through welding or bolted connection's mode, and dig the supplementary protection wall device of drilling bucket pore-forming direction soon and can distribute in the outside of digging the drilling bucket soon.
Dig soon and bore supplementary dado device of fighting pore-forming direction soon and establish at digging soon the outside arc billet structure of fighting for enclosing, arc billet structure is including enclosing the last steel ring of establishing on digging soon the brill fill upper portion and lower part and lower steel ring down respectively to connect the outer lane portion that the middle part arc billet of connecting steel ring and lower steel ring is constituteed, and the middle part arc billet comprises the billet that many slopes set up, and these many billets are enclosed and are established and dig soon and bore the side of fighting.
The inner surface of the rotary drilling bucket pore-forming guide auxiliary wall protection device is provided with a plurality of bolts or connecting pieces corresponding to the bolt connecting holes arranged outside the rotary drilling bucket.
The utility model also provides a construction equipment of hole, hole of collapsing is prevented to shrinkage cavity, including at least one as above dig the drilling bucket dado soon.
The utility model provides a dig the dado of boring soon, it is including digging the supplementary dado device of boring bucket pore-forming direction soon, and it is fixed with digging the boring bucket soon through welding or bolted connection's mode, and it is rotatory along digging the boring bucket soon, and dig the supplementary dado device of boring bucket pore-forming direction soon and can distribute in digging the outside of boring bucket soon. Through set up the bolt connection hole on digging the drilling bucket soon, the device mountable is used on digging the drilling bucket soon to various specifications of different producers and installing.
The device is annularly and symmetrically arranged at the top of the rotary drilling bucket, quadrangle, hexagon and octagon … … are selected to be arranged according to the diameter of a formed hole, and the device is fixed with the rotary drilling bucket in a welding or bolt connection mode and rotates along with the rotary drilling bucket. The rotary drilling bucket plays a role in sweeping holes and protecting walls with mud in the hole forming process of cohesive soil or mucky soil layers, and diameter shrinkage and hole collapse are prevented. The device solves the problem that the rotary drilling rig cannot form an effective mud retaining wall in the hole forming process, and simultaneously solves the problems that the rotary drilling rig is easy to shrink and collapse in hole forming construction in a mucky soil layer, a sandy soil layer or a cohesive soil layer.
Drawings
Fig. 1 is a structural example diagram of a protective wall of a rotary drilling bucket.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
Referring to fig. 1, the wall guard of the rotary drilling bucket comprises an auxiliary wall guard device for hole forming and guiding of the rotary drilling bucket, the auxiliary wall guard device is fixed with the rotary drilling bucket 2 in a welding or bolt connection mode and rotates along with the rotary drilling bucket, and the auxiliary wall guard device for hole forming and guiding of the rotary drilling bucket can be distributed outside the rotary drilling bucket 2. Dig soon and bore supplementary dado device of fighting pore-forming direction soon and establish at digging soon the outside arc billet structure of fighting for enclosing, arc billet structure is including enclosing the last steel ring 11 and the lower steel ring 13 of establishing on digging soon the drilling bucket upper portion and lower part respectively to connect the outer lane portion 12 that the middle part arc billet of connecting steel ring 11 and lower steel ring 13 is constituteed, and the middle part arc billet comprises the billet that many slopes set up, and above-mentioned arc billet encloses and establishes 2 sides digging soon and boring. This is merely an example of one structure, and only the corresponding enclosure structure needs to be completed.
The inner surface of the protective wall of the rotary drilling bucket is provided with a plurality of bolts corresponding to the bolt connecting holes arranged outside the rotary drilling bucket 2, and the device can be mounted on rotary drilling buckets of various specifications of different manufacturers for use by arranging the bolt connecting holes on the rotary drilling buckets. The overall positioning of the soil layer is changed by adjusting the bolts, so that the construction requirements in different soil layers are met.
The device is annularly and symmetrically arranged at the top of the rotary drilling bucket, quadrangle, hexagon and octagon … … are selected to be arranged according to the diameter of a formed hole, and the device is fixed with the rotary drilling bucket in a welding or bolt connection mode and rotates along with the rotary drilling bucket. The rotary drilling bucket plays a role in sweeping holes and protecting walls with mud in the hole forming process of cohesive soil or mucky soil layers, and diameter shrinkage and hole collapse are prevented. The device solves the problem that the rotary drilling rig cannot form an effective mud retaining wall in the hole forming process, and simultaneously solves the problems that the rotary drilling rig is easy to shrink and collapse in hole forming construction in a mucky soil layer, a sandy soil layer or a cohesive soil layer. The advantages are that: (1) the device has simple structure, convenient maintenance and low cost; (2) the device can be directly welded to the existing drill bucket; (3) the device rotates with the drill bucket for taking soil.
The embodiment also provides a construction device for preventing shrinkage holes and collapse holes, which comprises at least one protective wall of the rotary drilling bucket, and the construction device is not repeated herein.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.
Claims (4)
1. The utility model provides a dig protection wall that drills soon, its characterized in that, includes to be used for along with dig the rotatory supplementary protection wall device of drilling of digging soon, fixed with digging soon the drilling of digging through the mode of welding or bolted connection to supplementary protection wall device can distribute in the outside of digging soon the drilling of digging.
2. The wall guard of the rotary drilling bucket according to claim 1, wherein the wall guard is an arc steel bar structure surrounding the outside of the rotary drilling bucket, the steel bar structure comprises an upper steel ring and a lower steel ring surrounding the upper part and the lower part of the rotary drilling bucket respectively, and an outer ring part consisting of a middle arc steel bar connecting the upper steel ring and the lower steel ring, the middle arc steel bar consists of a plurality of steel bars arranged in an inclined manner, and the arc steel bars are surrounded on the side surface of the rotary drilling bucket.
3. The wall guard of the rotary drilling bucket according to claim 1, wherein a plurality of bolts or connectors corresponding to bolt connection holes arranged outside the rotary drilling bucket are arranged on the inner surface of the auxiliary wall guard of the rotary drilling bucket hole forming device.
4. A construction device for preventing shrinkage holes and collapse holes is characterized in that the wall protection of a rotary drilling bucket according to any one of claims 1 to 3 is adopted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920476129.8U CN210343215U (en) | 2019-04-10 | 2019-04-10 | Construction device for protecting wall and preventing hole shrinkage and hole collapse of rotary drilling bucket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920476129.8U CN210343215U (en) | 2019-04-10 | 2019-04-10 | Construction device for protecting wall and preventing hole shrinkage and hole collapse of rotary drilling bucket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210343215U true CN210343215U (en) | 2020-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920476129.8U Active CN210343215U (en) | 2019-04-10 | 2019-04-10 | Construction device for protecting wall and preventing hole shrinkage and hole collapse of rotary drilling bucket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210343215U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111677446A (en) * | 2020-06-17 | 2020-09-18 | 河北建设勘察研究院有限公司 | Karst stratum rotary drilling anti-deviation drilling tool and drilling method |
-
2019
- 2019-04-10 CN CN201920476129.8U patent/CN210343215U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111677446A (en) * | 2020-06-17 | 2020-09-18 | 河北建设勘察研究院有限公司 | Karst stratum rotary drilling anti-deviation drilling tool and drilling method |
| CN111677446B (en) * | 2020-06-17 | 2022-04-08 | 中冀建勘集团有限公司 | Karst stratum rotary drilling anti-deviation drilling tool and drilling method |
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