CN214401759U - Orifice collapse prevention device for cast-in-situ bored pile construction - Google Patents
Orifice collapse prevention device for cast-in-situ bored pile construction Download PDFInfo
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- CN214401759U CN214401759U CN202120145169.1U CN202120145169U CN214401759U CN 214401759 U CN214401759 U CN 214401759U CN 202120145169 U CN202120145169 U CN 202120145169U CN 214401759 U CN214401759 U CN 214401759U
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Abstract
The utility model discloses a porthole collapse prevention device for cast-in-situ bored pile construction, which comprises an active arc plate and a passive arc plate, wherein the passive arc plate is erected between two adjacent active arc plates, the active arc plate and the passive arc plate are combined to form a whole circle, and the inner side of the active arc plate and the passive arc plate form a smooth surface after being combined; the driving arc-shaped plate is connected with a driving structure, and the driving structure moves towards the direction far away from the drilling hole and pulls the driving arc-shaped plate; in this device, through the cooperation of initiative arc and passive arc, can form the structure enhancement in drill way, avoid drill way position to take place to collapse, ensure the security of drilling construction and later stage grout construction, the structure of this device is comparatively simple, and the cost is comparatively cheap, is fit for using widely.
Description
Technical Field
The utility model relates to a device that sinks is prevented in drill way of bored concrete pile construction usefulness.
Background
With the increase of urbanization pace, a large number of houses on rural collective land are brought into the scope of removal and replaced by a housing house planned by government in a lump. Because the general size of this kind of building is great, and original room base is also difficult to abolish together when removing, and the great difference that exists in different regional hydrology and geological conditions, will certainly bring certain influence for pile foundation construction.
Orifice collapse, the most common problem in drilling construction, is due to the relatively poor local geological conditions and excessive softening of the soil.
Therefore, the orifice collapse prevention device for the cast-in-situ bored pile construction is designed, and the strength of the orifice of a drilled hole can be enhanced.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a device that sinks is prevented in drill way of bored concrete pile construction usefulness that can strengthen drilling drill way intensity.
In order to solve the above problem, the utility model adopts the following technical scheme:
an orifice collapse prevention device for cast-in-situ bored pile construction comprises active arc-shaped plates and passive arc-shaped plates, wherein the passive arc-shaped plates are erected between two adjacent active arc-shaped plates, the active arc-shaped plates and the passive arc-shaped plates are combined to form a whole circle, and after the active arc-shaped plates and the passive arc-shaped plates are combined, the inner sides of the active arc-shaped plates and the passive arc-shaped plates form a smooth surface; the driving arc plate is connected with a driving structure, the driving structure moves towards the direction far away from the drilling hole, and the driving arc plate is pulled.
Preferably, the both ends of initiative arc are provided with the ladder groove, the both ends of passive arc are provided with and agree with the first ladder groove of ladder groove.
Preferably, the driving structure comprises a sleeve, a rod piece is inserted into the sleeve in a penetrating manner, a threaded part is machined on the rod piece, a driving nut is matched with the threaded part, a handle rod is welded on the outer side of the driving nut, a bottom plate connected with the ground is arranged below the sleeve, a plurality of stepped holes are formed in the surface of the bottom plate, and a connecting steel plate is welded between the sleeve and the bottom plate; the outer side of the driving arc-shaped plate is welded with an ear plate, the upper end of the ear plate is welded with a vertical rod, and the rod piece radially penetrates through the vertical rod and then is matched with a limiting nut; in the structure, the rod piece can be pulled to move towards the direction far away from the driving arc-shaped plate by rotating the driving nut, the driving arc-shaped plate is driven to move towards the hole wall direction, the hole wall is compressed, and collapse of the hole wall is avoided.
Preferably, a rubber stop washer is sleeved on the rod piece and acts between the vertical rod and the limiting nut.
Preferably, the active arc-shaped plate and the passive arc-shaped plate are both made of Q235 common carbon structural steel plates.
Preferably, the vertical height of the active arc-shaped plate and the passive arc-shaped plate is 60 cm-120 cm.
The utility model has the advantages that: in this device, through the cooperation of initiative arc and passive arc, can form the structure enhancement in drill way, avoid drill way position to take place to collapse, ensure the security of drilling construction and later stage grout construction, the structure of this device is comparatively simple, and the cost is comparatively cheap, is fit for using widely.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the mounting of the drive structure;
FIG. 3 is a side view of the drive structure;
fig. 4 is a top view of a passive arc.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
In the description of the present invention, it is to be understood that the terms "one end", "the other end", "the outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise explicitly specified or limited, the terms "set", "coupled", "connected", "penetrating", "plugging", and the like are to be understood in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1, 2, 3 and 4, the orifice collapse prevention device for cast-in-situ bored pile construction includes an active arc plate 1 and a passive arc plate 2, the passive arc plate 2 is erected between two adjacent active arc plates 1, the active arc plate 1 and the passive arc plate 2 are combined to form a whole circle, and after the active arc plate 1 and the passive arc plate 2 are combined, a smooth surface is formed on the inner side; the driving arc-shaped plate 1 is connected with a driving structure 3, the driving structure 3 moves towards the direction far away from the drilling hole, and the driving arc-shaped plate 1 is pulled.
The utility model discloses in the embodiment of a preferred, the both ends of initiative arc 1 are provided with ladder groove 101, the both ends of passive arc 2 are provided with and agree with ladder groove 101's first ladder groove 201.
In a preferred embodiment of the present invention, the driving structure 3 includes a sleeve 301, a rod 302 is inserted into the sleeve 301, a threaded portion 303 is processed on the rod 302, a driving nut 304 is matched with the threaded portion 303, a handle bar 305 is welded outside the driving nut 304, a bottom plate 306 connected to the ground is arranged below the sleeve 3, a plurality of stepped holes 307 are arranged on the surface of the bottom plate 306, and a connecting steel plate 308 is welded between the sleeve 301 and the bottom plate 306; the outer side of the driving arc-shaped plate 1 is welded with an ear plate 121, the upper end of the ear plate 121 is welded with a vertical rod 131, and the rod piece 302 radially penetrates through the vertical rod 131 and then is matched with a limit nut 309; in the structure, the rod piece can be pulled to move towards the direction far away from the driving arc-shaped plate by rotating the driving nut, the driving arc-shaped plate is driven to move towards the hole wall direction, the hole wall is compressed, and collapse of the hole wall is avoided.
In a preferred embodiment of the present invention, the rod 302 is sleeved with a rubber stop washer 333, and the rubber stop washer 333 acts between the vertical rod 131 and the stop nut 309.
In one preferred embodiment of the present invention, the driving arc plate 1 and the driven arc plate 2 are made of Q235 common carbon structural steel plates.
In a preferred embodiment of the present invention, the vertical height of the driving arc plate 1 and the driven arc plate 2 is 80 cm.
The utility model has the advantages that: in this device, through the cooperation of initiative arc and passive arc, can form the structure enhancement in drill way, avoid drill way position to take place to collapse, ensure the security of drilling construction and later stage grout construction, the structure of this device is comparatively simple, and the cost is comparatively cheap, is fit for using widely.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a device that sinks is prevented in drill hole of bored concrete pile construction usefulness which characterized in that: the arc-shaped plate comprises an active arc-shaped plate and a passive arc-shaped plate, wherein the passive arc-shaped plate is erected between two adjacent active arc-shaped plates, the active arc-shaped plate and the passive arc-shaped plate are combined to form a whole circle, and after the active arc-shaped plate and the passive arc-shaped plate are combined, the inner side of the active arc-shaped plate and the passive arc-shaped plate form a smooth surface; the driving arc plate is connected with a driving structure, the driving structure moves towards the direction far away from the drilling hole, and the driving arc plate is pulled.
2. The orifice collapse prevention device for cast-in-situ bored pile construction according to claim 1, wherein: the two ends of the driving arc plate are provided with stepped grooves, and the two ends of the driven arc plate are provided with first stepped grooves matched with the stepped grooves.
3. The orifice collapse prevention device for cast-in-situ bored pile construction according to claim 1, wherein: the driving structure comprises a sleeve, a rod piece is inserted in the sleeve in a penetrating manner, a threaded part is machined on the rod piece, a driving nut is matched through the threaded part, a handle rod is welded on the outer side of the driving nut, a bottom plate connected with the ground is arranged below the sleeve, a plurality of stepped holes are formed in the surface of the bottom plate, and a connecting steel plate is welded between the sleeve and the bottom plate; the outside welding of initiative arc has the otic placode the upper end welding of otic placode has the montant, the member radially passes the cooperation is limited nut behind the montant.
4. The orifice collapse prevention device for cast-in-situ bored pile construction according to claim 3, wherein: the rod piece is sleeved with a rubber stop washer, and the rubber stop washer acts on the vertical rod and between the limit nuts.
5. The orifice collapse prevention device for cast-in-situ bored pile construction according to claim 1, wherein: the driving arc-shaped plate and the driven arc-shaped plate are both made of Q235 common carbon structural steel plates.
6. The orifice collapse prevention device for cast-in-situ bored pile construction according to claim 1 or 5, wherein: the vertical height of the driving arc-shaped plate and the driven arc-shaped plate is 60 cm-120 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120145169.1U CN214401759U (en) | 2021-01-20 | 2021-01-20 | Orifice collapse prevention device for cast-in-situ bored pile construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120145169.1U CN214401759U (en) | 2021-01-20 | 2021-01-20 | Orifice collapse prevention device for cast-in-situ bored pile construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214401759U true CN214401759U (en) | 2021-10-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120145169.1U Active CN214401759U (en) | 2021-01-20 | 2021-01-20 | Orifice collapse prevention device for cast-in-situ bored pile construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214401759U (en) |
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2021
- 2021-01-20 CN CN202120145169.1U patent/CN214401759U/en active Active
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