CN203878557U - Shoe for protecting tube silting in static sounding process - Google Patents
Shoe for protecting tube silting in static sounding process Download PDFInfo
- Publication number
- CN203878557U CN203878557U CN201420250891.1U CN201420250891U CN203878557U CN 203878557 U CN203878557 U CN 203878557U CN 201420250891 U CN201420250891 U CN 201420250891U CN 203878557 U CN203878557 U CN 203878557U
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- shoe
- protecting tube
- boss
- cavity cylinder
- table body
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Abstract
The utility model relates to shoe for protecting tube silting in the static sounding process. The shoe is composed of a cavity cylinder and an inverted tapered table body connected to the bottom of the cylinder, the cavity cylinder is provided with an inner thread connected with a protecting tube in a treaded mode, the surface of the lower portion of the cavity cylinder is provided with a bearizing boss, the diameter of an upper opening of the inverted tapered table body connected to the bottom of the cavity cylinder is equal to that of the bearizing boss, and the diameter of an inner pore passage of the inverted tapered table body is 1 mm to 3 mm larger than that of a feeler lever. The shoe is connected to a first-section protecting tube, the inverted tapered table body and the bearizing boss bring convenience to injection of the protecting tube in the protecting tube injection process, and a feeler inspection pore passage after being subjected to bearizing and a water return groove in the radial direction of the surface of the bearing boss provide a water return passage for lubricating water or mud. The gap between the pore passage in the inverted tapered table body of the shoe and the feeler lever can prevent rock and soil from entering under the pressure cooperation of the lubricating water or the mud. The shoe has the prominent advantages of being simple in structure and beneficial for lifting of the feeler level and the protecting tube.
Description
Technical field
The utility model belongs to ground static cone penetration equipment, particularly relates to the shoe that a kind of static sounding protecting tube silts up.
Background technology
Ground static sounding is to adopt the injection pressure of power source feeler inspection probe to be pressed into a kind of engineer geological prospecting method of soil layer enforcement in-situ test.
In static sounding operation, for reducing feeler lever and hole wall friction consumption injection energy, preventing collapse hole and avoid feeler lever to produce the accident that fractures that macrobending causes, conventionally at feeler lever outer setting pillar, between pillar and feeler lever, be provided with interval, pillar internal diameter is generally all greater than feeler lever external diameter 5-15mm.
Owing to there is interval between pillar and feeler lever, therefore in static sounding operation process, inevitably in the interval of described pillar and feeler lever, silt ground up, and the density of silting ground up increases along with the intensification of the feeler inspection degree of depth.
Above-mentioned silt up phenomenon by consuming feeler lever injection energy, increased the feeler inspection resistance of feeler lever, silt up when serious the swollen dead phenomenon of pillar with feeler lever occurs, cause feeler lever can not continue injection, also affect pulling out smoothly of feeler lever and pillar.
Summary of the invention
The purpose of this utility model is the technical problem of silting ground in the interval between pillar and feeler lever up in order to overcome, and discloses a kind of shoe silting up for static sounding protecting tube.
The utility model is taked following technical scheme for achieving the above object: the shoe that a kind of static sounding protecting tube silts up, feature is, described shoe is made up of cavity cylinder and the back taper stage body with inner duct that is connected in cavity cylinder bottom, described cavity cylinder is provided with the internal thread being threaded with pillar, cavity cylinder lower surface is provided with reaming boss, described its back cut diameter of back taper stage body and the reaming boss equal diameters that is connected in cavity cylinder bottom, the diameter of back taper stage body inner duct is greater than feeler lever diameter 1-3mm.
The utility model can also be taked following technical measures:
The surface of the cylindrical reaming boss of described cavity is arranged with backwater groove radially.
The beneficial effects of the utility model and advantage are: the shoe that this static sounding protecting tube silts up is connected in first joint pillar, in the process of injection pillar, the shape of shoe can embody following beneficial effect, first its back taper stage body and reaming boss are convenient to the injection of pillar, and the feeler inspection duct after reaming and the symmetrically arranged radially backwater of reaming boss surface groove provide backwater path more smoothly for lubricating water or mud.In the process of injection pillar, the gap of only depositing 1-3mm between its inner duct of back taper stage body of shoe and feeler lever, this gap under lubricated water or mud pressure coordinate, be enough to prevent feeler inspection process in the entering of ground, therefore the utility model has effectively solved and in prior art, between pillar and feeler lever, ground has occurred and silt even swollen dead phenomenon up.The utlity model has simple in structure, be conducive to reduce feeler lever penetration resistance, increase feeler lever depth of penetration and be convenient to feeler lever, pillar works the outstanding advantages pulling out.
Brief description of the drawings
Accompanying drawing 1 is shoe example structure schematic diagram.
Accompanying drawing 2 is Fig. 1 generalized sections.
Accompanying drawing 3 is that Fig. 1 embodiment uses view.
Accompanying drawing 4 is Fig. 3 generalized sections.
Mark in figure: 1 shoe, 1-1 cavity cylinder, 1-2 reaming boss, 1-3 backwater groove, 1-4 back taper stage body, 1-5 internal thread, 2 first joint pillars, 3 feeler levers.
Detailed description of the invention
Further illustrate the present invention below in conjunction with embodiment and accompanying drawing thereof.
The shoe embodiment that static sounding protecting tube silts up as shown in Figure 1,2,3, 4, described shoe 1 is made up of cavity cylinder 1-1 and the back taper stage body 1-4 with inner duct that is connected in cavity cylinder bottom, cavity cylinder 1-1 is provided with the internal thread 1-5 being threaded with pillar 2, cavity cylinder lower surface is provided with reaming boss 1-2, its back cut diameter of back taper stage body 1-4 and the reaming boss 1-2 equal diameters that are connected in cavity cylinder 1-1 bottom, the diameter of back taper stage body 1-4 inner duct is greater than feeler lever 1 diameter 1-3mm.The surface of the cylindrical reaming boss of cavity 1-2 is arranged with backwater groove 1-3 radially.
Shown in Fig. 1,2, forming its each ingredient of embodiment that static sounding protecting tube silts shoe up is an entirety.
Claims (2)
1. the shoe that static sounding protecting tube silts up, it is characterized in that: described shoe is made up of cavity cylinder and the back taper stage body with inner duct that is connected in cavity cylinder bottom, described cavity cylinder is provided with the internal thread being threaded with pillar, cavity cylinder lower surface is provided with reaming boss, described its back cut diameter of back taper stage body and the reaming boss equal diameters that is connected in cavity cylinder bottom, the diameter of back taper stage body inner duct is greater than feeler lever diameter 1-3mm.
2. the shoe that static sounding protecting tube according to claim 1 silts up, is characterized in that: the surface of the cylindrical reaming boss of described cavity is arranged with backwater groove radially.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420250891.1U CN203878557U (en) | 2014-05-16 | 2014-05-16 | Shoe for protecting tube silting in static sounding process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420250891.1U CN203878557U (en) | 2014-05-16 | 2014-05-16 | Shoe for protecting tube silting in static sounding process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203878557U true CN203878557U (en) | 2014-10-15 |
Family
ID=51679074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420250891.1U Active CN203878557U (en) | 2014-05-16 | 2014-05-16 | Shoe for protecting tube silting in static sounding process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203878557U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109594548A (en) * | 2019-01-26 | 2019-04-09 | 台州市迪信勘察仪器有限公司 | A kind of static sounding casing head and its set pipe assembly with the casing head |
-
2014
- 2014-05-16 CN CN201420250891.1U patent/CN203878557U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109594548A (en) * | 2019-01-26 | 2019-04-09 | 台州市迪信勘察仪器有限公司 | A kind of static sounding casing head and its set pipe assembly with the casing head |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 300251 No. 10 Minjiang Road, Minquan gate, Tianjin, Hebei District Patentee after: China Railway Design Group Limited Address before: 300251 No. 10 Minjiang Road, Minquan gate, Tianjin, Hebei District Patentee before: China Railway Third Survey and Design Institute Group Ltd. |