CN215290082U - Miniature stake that can high-speed joint - Google Patents

Miniature stake that can high-speed joint Download PDF

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Publication number
CN215290082U
CN215290082U CN202120354846.0U CN202120354846U CN215290082U CN 215290082 U CN215290082 U CN 215290082U CN 202120354846 U CN202120354846 U CN 202120354846U CN 215290082 U CN215290082 U CN 215290082U
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China
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pile body
connecting sleeve
plug
hole
mounting hole
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CN202120354846.0U
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Inventor
徐程
于海洋
王嘉栋
杨广亮
王正泽
陈鸿沛
于伟伟
张洪管
张禹良
张明祥
黄强吉
张忠慧
褚志勇
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Shandong High Speed Geotechnical Technology Co Ltd
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Shandong High Speed Geotechnical Technology Co Ltd
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Abstract

The application relates to a micro pile capable of being quickly connected, which belongs to the field of micro piles and comprises a first pile body, wherein one end of the first pile body is provided with a first jack in a direction vertical to the length direction of the first pile body; one end of the second pile body is provided with a second jack along the length direction; the connecting sleeve is sleeved at one end of the first pile body and one end of the second pile body, two first mounting holes and two second mounting holes are formed in the inner wall of the connecting sleeve at intervals along the length direction of the first pile body, and the first mounting holes and the second mounting holes are respectively perpendicular to the inner hole of the connecting sleeve; the two plug-in units are correspondingly arranged in the first mounting hole and the second mounting hole in a telescopic manner, and the end surfaces of the plug-in units far away from the first mounting hole and the second mounting hole are inclined surfaces; the first pile body and the second pile body can be connected quickly in a direct inserting mode, the inserting mode is locking, other locking pieces are not needed to lock the first pile body and the second pile body, and the whole connecting process is realized quickly; and moreover, the plug-in unit is inserted into the jack, so that the connection mode is simple and reliable, and the safety is high.

Description

Miniature stake that can high-speed joint
Technical Field
The utility model relates to a miniature stake field especially relates to a miniature stake that can high-speed joint.
Background
A micropile is a steel tube micropile of diameter less than 300mm, with a slenderness ratio typically greater than 30 mm. The construction is convenient, rapid and safe, the used apparatus is small while constructing, can be applied to all kinds of rock masses, especially when the large-scale machinery can not enter the field, the function of the miniature pile of steel tube is more obvious; the aperture of the pile hole is small, so that the additional stress generated on the existing building foundation and foundation soil is small, and the safety of the existing structure is not influenced; meanwhile, the construction noise is low, and the method is suitable for construction in a zone where the noise is strictly controlled; the pile arrangement form is flexible, and a vertical or inclined arrangement mode can be adopted according to the specific engineering requirement; alternatively, they may be arranged in a cross or mesh arrangement; the steel pipe micro pile group system has good bearing capacity in the aspects of compression resistance, pulling resistance and axial load resistance, and the steel pipe micro pile has unique advantages and is widely applied to geotechnical engineering practice.
At present, the micro-pile on the market is generally 6m-12m, and under the condition that the reinforcing depth of the micro-pile is too deep, the micro-pile commonly used on the market obviously cannot meet the use requirement, so that a plurality of steel pipe micro-piles are required to be connected, but the micro-pile at present is too troublesome to connect, is not firm to connect and cannot meet the use requirement.
SUMMERY OF THE UTILITY MODEL
This application is in order to solve current miniature stake when needs deepen reinforcement length, and the length of miniature stake generally can not satisfy the user demand on its market, consequently, this just needs to couple together a plurality of steel pipe miniature stakes, and current miniature stake is generally more troublesome when connecting, connects insecurely moreover, can not satisfy operation requirement's problem, this application designs a miniature stake that can the high-speed joint, and the technical scheme of its concrete adoption is:
a micropile capable of quick connection, comprising:
one end of the first pile body is provided with a first jack in a direction vertical to the length direction of the first pile body;
one end of the second pile body is provided with a second jack along the length direction;
the connecting sleeve is sleeved at one end of the first pile body and one end of the second pile body, two first mounting holes and two second mounting holes are formed in the inner wall of the connecting sleeve at intervals along the length direction of the first pile body, and the first mounting holes and the second mounting holes are respectively and vertically arranged with the inner hole of the connecting sleeve;
the plug-in components are arranged at least two, the two plug-in components are correspondingly arranged in the first mounting hole and the second mounting hole in a telescopic mode, the end faces, far away from the first mounting hole and the second mounting hole, of the plug-in components are inclined planes, the inclined plane of one plug-in component is arranged towards the first pile body, and the inclined plane of the other plug-in component is arranged towards the second pile body.
Preferably, the first pile body and the second pile body are of a hollow shell structure, one end, inserted into the connecting sleeve, of the first pile body is provided with a guide rod, the guide rod is arranged along the length direction of the first pile body, the second pile body is provided with a guide hole along the length direction of the second pile body, and the guide rod can be inserted into the guide hole.
Preferably, the guide rod is arranged on the inner wall of the inner hole of the first pile body, and the guide rod can be inserted into the inner hole of the second pile body.
Preferably, the outer walls of the first pile body and the second pile body are provided with positioning strips, the inner wall of the connecting sleeve is provided with a positioning groove matched with the positioning strips, and when the first pile body and the second pile body are inserted into the connecting sleeve, the positioning strips are inserted into the positioning grooves.
Preferably, the depth of the first insertion hole is smaller than the thickness of the shell of the first pile body, and the depth of the second insertion hole is smaller than the thickness of the shell of the second pile body.
Preferably, the number of the first jacks is two, and the two first jacks are symmetrically arranged.
Preferably, the number of the second jacks is two, and the two second jacks are symmetrically arranged.
Preferably, the first mounting hole and the second mounting hole are internally provided with elastic pieces, and the elastic pieces are connected between the connecting sleeve and the plug-in unit.
Preferably, the elastic member is a spring.
Preferably, the distance between the two mounting holes is the sum of the height of the first insertion hole on the first pile body and the height of the second insertion hole on the second pile body.
The utility model adopts the above technical scheme, gain following technological effect:
the first pile body and the second pile body are provided with the second jack, the first pile body and the second pile body can be directly inserted into the connecting sleeve by utilizing the connecting sleeve and the telescopic plug-in piece arranged on the connecting sleeve, so that the plug-in piece is inserted into the first jack and the second jack, the connection of the first pile body and the second pile body can be quickly realized in a direct splicing mode, the splicing and locking are realized, other locking pieces are not needed to be arranged to lock the first pile body and the second pile body, and the whole connection process is realized very quickly; and moreover, the plug-in unit is inserted into the jack, so that the connection mode is simple and reliable, and the safety is high.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is an enlarged sectional view of a-a in fig. 1.
In the figure, 1, a soil foundation hole, 2, a second pile body, 3, a connecting sleeve, 4, a second mounting hole, 5, an insert, 6, a second jack, 7, a guide rod, 8, an elastic piece, 9, a first mounting hole, 10, a first jack, 11, a first pile body, 12, an inner hole, 13, a positioning groove, 14 and a positioning strip.
Detailed Description
In order to clearly illustrate the technical features of the present invention, the present invention is explained in detail by the following embodiments with reference to the accompanying drawings.
In addition, in the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc., indicate orientations and 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 being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
As shown in fig. 1-2, a micropile capable of quick connection includes a first post 11, a second post 2, a connection sleeve 3, and an insert 5.
The first pile body 11 may also be referred to as a micropile having a length, a first insertion hole 10 is formed at one end of the first pile body 11 perpendicular to the length direction of the first pile body, and an open end of the first insertion hole 10 is located on an outer surface of the first pile body 11. The cross-sectional shape of the first receptacle 10 here may be square or circular, and may even be other polygonal shapes, etc.
Similarly, the second pile body 2 can also be referred to as a micro pile with a length, a second insertion hole 6 is arranged at one end of the second pile body 2 along the length direction, and the open end of the second insertion hole 6 is positioned on the outer surface of the second pile body 2. The cross-sectional shape of the second receptacle 6 here may also be square or circular, or even other polygonal shapes, etc.
The connecting sleeve 3 is used for connecting the first pile body 11 and the second pile body 2, the connecting sleeve 3 is simultaneously sleeved at one end of the first pile body 11 and one end of the second pile body 2, two first mounting holes 9 and two second mounting holes 4 are arranged on the inner wall of the connecting sleeve 3 at intervals along the length direction of the first pile body 11, and meanwhile, the first mounting holes 9 and the second mounting holes 4 are respectively and vertically arranged with an inner hole 12 of the connecting sleeve 3 and used for matching the arrangement directions of the first insertion holes 10 and the second insertion holes 6.
It should be noted that the thickness of the connecting sleeve is relatively large, which can meet the requirements of installing the plug-in unit. In addition, the plug-in unit can be installed in the connecting sleeve by arranging the connecting sleeve into a split type, firstly installing the plug-in unit and the elastic element in the first installing hole and the second installing hole, and then welding the connecting sleeve into a whole in a welding mode; or the first mounting hole and the second mounting hole can be set into through holes, the plug-in and the elastic piece are placed into the first mounting hole and the second mounting hole, and then one ends of the first mounting hole and the second mounting hole, which are close to the outer wall of the connecting sleeve, are sealed.
The plug-in components 5 are at least two, the two plug-in components 5 are correspondingly arranged in the first mounting hole 9 and the second mounting hole 4 in a telescopic mode, one ends of the two plug-in components 5 are arranged in the first mounting hole 9 and the second mounting hole 4, the other ends of the two plug-in components 5 are exposed out of the first mounting hole 9 and the second mounting hole 4, the end face, exposed out of the first mounting hole 9 and the second mounting hole 4, of each plug-in component 5 is an inclined face, the inclined face of one plug-in component 5 is arranged towards the first pile body 11, and the inclined face of the other plug-in component 5 is arranged towards the second pile body 2.
When the first pile 11 is inserted into the connecting sleeve 3, the first pile 11 forces the insert 5 to retract along the axial direction of the first mounting hole 9, the length of the insert 5 exposed out of the first mounting hole 9 is reduced, so that the first pile 11 can be inserted continuously, and when the first insertion hole 10 on the first pile 11 is aligned with the insert 5, the insert 5 extends into the first insertion hole 10, so that the first pile 11 is connected with the connecting sleeve 3. Meanwhile, when the second pile body 2 is inserted into the connecting sleeve 3, the second pile body 2 forces the plug-in piece 5 to retract along the axial direction of the second insertion hole 6, the length of the plug-in piece 5 exposed out of the second mounting hole 4 is reduced, so that the second pile body 2 can be inserted continuously, and when the second insertion hole 6 in the second pile body 2 is aligned with the plug-in piece 5, the plug-in piece 5 extends into the second insertion hole 6, so that the second pile body 2 is connected with the connecting sleeve 3. This kind of direct first pile body 11 and the mode of second pile body 2 disect insertion not only connect fast, connect reliably moreover, because directly lock first pile body 11 and second pile body 2 in the connection, avoid setting up locking structure alone to its locking, increase its reliability and safe effect in the connection.
Further, the first pile body 11 and the second pile body 2 are hollow shell structures, the inner holes 12 of the first pile body 11 and the second pile body 2 are used for grouting channels, after the first pile body 11 and the second pile body 2 are connected in the connecting sleeve 3, the whole of the first pile body 11 and the second pile body 2 is inserted into the pre-drilled soil foundation mesopore 1, and then grout is poured into the inner holes 12 of the first pile body 11 and the second pile body 2 to improve the stability of the micro pile, and since the inner holes 12 of the first pile body 11 and the second pile body 2 are used for grouting channels, the inner hole 12 of the first pile body 11 and the inner hole 12 of the second pile body 2 need to be aligned when connecting, and in order to quickly align the first pile body 11 and the second pile body 2 up and down, a guide rod 7 is provided at one end of the first pile body 11 inserted into the connecting sleeve 3, and the second pile body 2 is provided with a guide hole along the length direction thereof, the guide bar 7 is a guide steel bar welded on the first pile 11, and two or three guide steel bars … … may be provided, and the specific number of the guide steel bars may be determined according to the size of the cross-sectional area of the first pile 11. And the guide rod 7 is arranged along the length direction of the first pile body 11, when the first pile body 11 and the second pile body 2 are inserted into the connecting sleeve 3, the guide rod 7 is inserted into the guide hole, so that the first pile body 11 and the second pile body 2 are quickly aligned up and down, and the possibility of staggering the first pile body 11 and the second pile body 2 in the horizontal direction is avoided.
Further, above-mentioned guide bar 7 welds at the hole 12 inner wall of first pile body 11, can reduce the occupation space to the outer wall of first pile body 11 under the prerequisite that does not influence the hole 12 of first pile body 11 and pour into the thick liquid like this, avoid the influence to first pile body 11 at connecting sleeve 3 internal connection, and the guide hole of here is just the hole 12 of second pile body 2, guide bar 7 inserts in the guide hole, guide bar 7 inserts in the hole 12 pipe of second pile body 2 promptly, the hole 12 of second pile body 2 can play the effect of grout, can also play the guide hole with satisfy the effect of guide bar 7 direction in it.
Further, in order to quickly connect the first pile body 11 and the second pile body 2 with the connecting sleeve 3, so that the first insertion hole 10 on the first pile body 11 is quickly aligned with the insertion piece 5 on the connecting sleeve 3, the second insertion hole 6 on the second pile body 2 is quickly aligned with the insertion piece 5 on the connecting sleeve 3, the outer walls of the first pile body 11 and the second pile body 2 are respectively provided with a positioning strip 14, the inner wall of the connecting sleeve 3 is provided with a positioning groove 13 matched with the positioning strip 14, when the first pile body 11 and the second pile body 2 are inserted into the connecting sleeve 3, the positioning strip 14 is inserted into the positioning groove 13, the positioning groove 13 and the positioning strip 14 directly align the first insertion hole 10 on the first pile body 11 with the insertion piece 5 on the connecting sleeve 3, and align the second insertion hole 6 on the second pile body 2 with the insertion piece 5 on the connecting sleeve 3 without manual repeated adjustment.
Further, in order to prevent the inner hole 12 of the first pile body 11 and the inner hole 12 of the second pile body 2 from leaking from the first jack 10 and the second jack 6 during grouting, the depth of the first jack 10 is smaller than the thickness of the shell of the first pile body 11, and the depth of the second jack 6 is smaller than the thickness of the shell of the second pile body 2, so that the first jack 10 and the second jack 6 form blind holes on the pile body, the phenomenon that grout flows out from the blind holes cannot occur, and the phenomenon that the plug-in unit 5 cannot be inserted into the first jack 10 and the second jack 6 due to the blockage of the first jack 10 and the second jack 6 by the grout cannot occur.
Further, in order to improve the connection stability of the first pile body 11, the first insertion holes 10 are arranged in two, meanwhile, the first installation holes 9 in the corresponding connecting sleeve 3 are arranged in two, the two first installation holes 9 are arranged at the same axial height position of the connecting sleeve 3, the two first installation holes 9 are symmetrically arranged in the circumferential direction of the connecting sleeve 3, the two plug-in units 5 are arranged in the two first installation holes 9, so that when the first pile body 11 is inserted into the connecting sleeve 3, the two plug-in units 5 can be correspondingly inserted into the two first insertion holes 10, and the first pile body 11 is under the action of the two symmetrical plug-in units 5, so that the stress balance of the first pile body 11 is improved, and the stability is further improved.
Further, similarly, in order to improve the connection stability of the second pile body 2, the second insertion holes 6 are provided in two, the second installation holes 4 in the corresponding connection sleeve 3 are also provided in two, the two second installation holes 4 are provided at the same axial height position of the connection sleeve 3, the two first installation holes 9 are also symmetrically provided in the circumferential direction of the connection sleeve 3, and the two insertion pieces 5 are provided in the two first installation holes 9, so that when the second pile body 2 is inserted into the connection sleeve 3, the two insertion pieces 5 can be correspondingly inserted into the two second insertion holes 6, and the second pile body 2 is under the action of the two symmetrical insertion pieces 5, so that the stress balance and stability are improved. In summary, the first mounting holes 9 are provided in two, the second mounting holes 4 are provided in two, the insertion pieces 5 are provided in four, the first insertion holes 10 on the first pile body 11 are provided in two, two insertion pieces 5 are inserted into two first insertion holes 10, the second insertion holes 6 on the second pile body 2 are provided in two, and the other two insertion pieces 5 are inserted into two second insertion holes 6.
Further, for the telescopic arrangement of the plug-in 5 in the first mounting hole 9 and the second mounting hole 4, specifically, the elastic member 8 is arranged in the first mounting hole 9 and the second mounting hole 4, and the elastic member 8 is connected between the connecting sleeve 3 and the plug-in 5.
When the first pile body 11 is continuously inserted into the connecting sleeve 3, the first pile body 11 continuously presses the plug-in piece 5 in the first mounting hole 9, due to the existence of the inclined plane on the plug-in piece 5, the elastic piece 8 is compressed, the plug-in piece 5 is pressed into the first mounting hole 9, the first pile body 11 is continuously inserted into the connecting sleeve 3 until the first insertion hole 10 on the first pile body 11 is aligned with the plug-in piece 5 in the first mounting hole 9 in the connecting sleeve 3, and the plug-in piece 5 is inserted into the first insertion hole 10 under the action of the elastic force of the elastic piece 8, so that the connection of the first pile body 11 is realized.
Similarly, in the process of continuously inserting the second pile body 2 into the connecting sleeve 3, the second pile body 2 continuously presses the insert 5 in the second mounting hole 4, the elastic member 8 connected with the insert 5 is compressed, the insert 5 is pressed into the second mounting hole 4, the second pile body 2 is continuously inserted into the connecting sleeve 3 until the second insertion hole 6 in the second pile body 2 is aligned with the insert 5 in the second mounting hole 4 in the connecting sleeve 3, and the insert 5 is inserted into the second insertion hole 6 under the elastic force of the elastic member 8, so that the connection of the second pile body 2 is realized.
Further, in some embodiments, the elastic member 8 is a spring, which can be purchased directly from the market, and is convenient to install and has good elastic performance.
Further, in order to prevent excessive leakage of grout from the connecting sleeve 3 when grout is poured into the inner holes 12 of the first pile body 11 and the second pile body 2, the distance between the two mounting holes is the sum of the height of the first jack 10 on the first pile body 11 and the height of the second jack 6 on the second pile body 2, namely, after the first pile body 11 is inserted into the connecting sleeve 3 and the second pile body 2 is inserted into the connecting sleeve 3, the end face of the first pile body 11 is tightly attached to the end face of the second pile body 2, so that the inner hole 12 of the first pile body 11 is aligned with the inner hole 12 of the second pile body 2, and thus, grout can almost completely pass through the inner hole 12 of the first pile body 11 and the inner hole 12 of the second pile body 2, and leakage into the connecting sleeve 3 is reduced.
The above-mentioned specific embodiments can not be regarded as the restriction to the scope of protection of the utility model, to technical personnel in this technical field, it is right the utility model discloses any replacement improvement or transform that embodiment made all fall within the scope of protection of the utility model.
The parts of the present invention not described in detail are the known techniques of those skilled in the art.

Claims (10)

1. A micropile capable of quick connection, comprising:
one end of the first pile body is provided with a first jack in a direction vertical to the length direction of the first pile body;
one end of the second pile body is provided with a second jack along the length direction;
the connecting sleeve is sleeved at one end of the first pile body and one end of the second pile body, two first mounting holes and two second mounting holes are formed in the inner wall of the connecting sleeve at intervals along the length direction of the first pile body, and the first mounting holes and the second mounting holes are respectively and vertically arranged with inner holes of the connecting sleeve;
the plug-in components are arranged at least two, the two plug-in components are correspondingly arranged in the first mounting hole and the second mounting hole in a telescopic mode, the end faces, far away from the first mounting hole and the second mounting hole, of the plug-in components are inclined planes, one of the inclined planes of the plug-in components faces the first pile body, and the other inclined plane of the plug-in components faces the second pile body.
2. The micropile of claim 1, wherein the first and second posts are hollow shells, and a guide rod is provided at an end of the first post inserted into the connecting sleeve, the guide rod is disposed along a length direction of the first post, and a guide hole is provided along a length direction of the second post, and the guide rod can be inserted into the guide hole.
3. The micropile of claim 2, wherein the guide rod is disposed on an inner wall of the inner hole of the first post body, and the guide rod is inserted into the inner hole of the second post body.
4. The micropile capable of quick connection according to claim 1 or 3, wherein the outer wall of the first and second spud bodies is provided with a positioning strip, the inner wall of the connecting sleeve is provided with a positioning groove matched with the positioning strip, and the positioning strip is inserted into the positioning groove when the first and second spud bodies are inserted into the connecting sleeve.
5. A micropile for enabling quick connection according to claim 3, wherein the depth of said first receptacle is less than the thickness of the housing of said first post and the depth of said second receptacle is less than the thickness of the housing of said second post.
6. A micropile capable of quick connection according to claim 1, wherein there are two first sockets, and the two first sockets are symmetrically arranged.
7. A micropile capable of quick connection according to claim 1 or 6, wherein there are two said second sockets, and two said second sockets are symmetrically arranged.
8. A micropile of claim 1, wherein said first mounting hole and said second mounting hole have a resilient member disposed therein, said resilient member being connected between said connecting sleeve and said insert.
9. A micropile of claim 8, wherein said resilient member is a spring.
10. A micropile of claim 1, wherein the distance between two of said mounting holes is the sum of the height of said first socket on said first post and the height of said second socket on said second post.
CN202120354846.0U 2021-02-08 2021-02-08 Miniature stake that can high-speed joint Active CN215290082U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120354846.0U CN215290082U (en) 2021-02-08 2021-02-08 Miniature stake that can high-speed joint

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120354846.0U CN215290082U (en) 2021-02-08 2021-02-08 Miniature stake that can high-speed joint

Publications (1)

Publication Number Publication Date
CN215290082U true CN215290082U (en) 2021-12-24

Family

ID=79531664

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120354846.0U Active CN215290082U (en) 2021-02-08 2021-02-08 Miniature stake that can high-speed joint

Country Status (1)

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CN (1) CN215290082U (en)

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