CN215290163U - Anchor cable orifice device for foundation pit - Google Patents

Anchor cable orifice device for foundation pit Download PDF

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Publication number
CN215290163U
CN215290163U CN202121698297.5U CN202121698297U CN215290163U CN 215290163 U CN215290163 U CN 215290163U CN 202121698297 U CN202121698297 U CN 202121698297U CN 215290163 U CN215290163 U CN 215290163U
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China
Prior art keywords
steel sleeve
hole
grouting pipe
foundation pit
grouting
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CN202121698297.5U
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Chinese (zh)
Inventor
陈建平
强小钟
张惠
黄言君
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Jiangsu Maosheng Construction Group Co ltd
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Jiangsu Maosheng Construction Group Co ltd
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Abstract

The application relates to a foundation pit anchor cable orifice device which comprises a steel sleeve and a grouting pipe arranged on the inner side of the steel sleeve; one end of the grouting pipe is arranged in a closed manner, the closed end of the grouting pipe is positioned inside the steel sleeve, and the other end of the grouting pipe extends to the outside of the steel sleeve; a grouting hole is formed in the side wall of the grouting pipe, and a through hole corresponding to the grouting hole is formed in the side wall of the steel sleeve; the grouting pipe is detachably connected with the steel sleeve through a first fixing piece. During the steel casing can directly squeeze into the foundation ditch lateral wall, the concrete mortar can get into around the steel casing through the through-hole to accomplish the fixed of steel casing, consequently the steel casing can effectively prevent that the anchor eye from taking place to collapse, can bore afterwards and get the anchor rope hole, guarantee the normal construction of anchor rope.

Description

Anchor cable orifice device for foundation pit
Technical Field
The application relates to the field of foundation pit reinforcing devices, in particular to a foundation pit anchor cable orifice device.
Background
At present, when a building foundation pit is excavated, a foundation pit support needs to be built, and a common foundation pit support is a concrete cast-in-place pile or a steel structure support. When the foundation pit support is built, the prestressed anchor cable is required to be used for reinforcing the foundation pit support so as to ensure the stability and firmness of the foundation pit support.
The construction process of the prestressed anchor cable generally comprises the following steps: drilling, grouting, tensioning and locking. However, when the soil in the soil layer of the drilled hole is loose, the drilled hole collapses, which is not favorable for the smooth construction of the anchor cable.
SUMMERY OF THE UTILITY MODEL
In order to prevent the soil in drill hole department from collapsing, this application provides a foundation ditch anchor rope drill way device.
The application provides a foundation ditch anchor rope drill way device adopts following technical scheme:
a foundation pit anchor cable orifice device comprises a steel sleeve and a grouting pipe arranged on the inner side of the steel sleeve; one end of the grouting pipe is arranged in a closed manner, the closed end of the grouting pipe is positioned inside the steel sleeve, and the other end of the grouting pipe extends to the outside of the steel sleeve; the side wall of the grouting pipe is provided with a grouting hole, and the side wall of the steel sleeve is provided with a through hole corresponding to the grouting hole; the grouting pipe is detachably connected with the steel sleeve through a first fixing piece.
Through adopting above-mentioned technical scheme, at first with during the steel casing pipe squeezes into the foundation ditch lateral wall, wear the slip casting intraduct with the slip casting pipe afterwards, let in the concrete mortar to the slip casting pipe through the mode of high-pressure slip casting, the concrete mortar can get into around the steel casing pipe through injected hole and through-hole, wait for the concrete to reach required intensity after, take out the slip casting pipe from the steel casing inside, can use the rig to bore and get the anchor rope hole. Therefore, the steel sleeve can effectively prevent the anchor hole from collapsing, and normal construction of the anchor cable is guaranteed.
Preferably, the end part of the steel sleeve is coaxially provided with a hollow drill bit.
Through adopting above-mentioned technical scheme, connect the steel casing pipe on the rig, the setting up of hollow drill bit can make the steel casing pipe directly bore into the foundation ditch lateral wall, the construction of being convenient for.
Preferably, the outer side wall of the steel sleeve is provided with a soil discharging groove, and the soil discharging groove is communicated with the through hole.
Through adopting above-mentioned technical scheme, the resistance that steel casing pipe received when boring into the foundation ditch lateral wall can effectively be reduced in the groove of dumping.
Preferably, a guide groove is formed in the inner wall of the steel sleeve, and the through hole is communicated with the guide groove; the outer side wall of the grouting pipe is provided with a guide block, and the grouting hole penetrates through the guide block.
Through adopting above-mentioned technical scheme, the guide way can play the guide effect with the slip casting pipe for the slip casting hole can be accurate aligns with the through-hole, guarantees going on smoothly of slip casting process.
Preferably, the grouting pipe is provided with a positioning flange, and the guide block and the guide groove are matched to play a certain sealing role in the joint of the grouting hole and the through hole.
Through adopting above-mentioned technical scheme, the location flange can fix a position the injected hole to guarantee that injected hole aligns with the through-hole.
Preferably, the end of the steel sleeve is provided with threads, the first fixing piece comprises a fixing ring sleeved on the grouting pipe and a thread sleeve sleeved on the fixing ring, and the thread sleeve is fixed on the fixing ring; the fixing ring is abutted against the positioning flange, and the threaded sleeve is in threaded fit with the end part of the steel sleeve.
By adopting the technical scheme, the threaded sleeve is screwed on the steel sleeve, so that the connection between the grouting pipe and the steel sleeve can be completed, and the operation of construction personnel is facilitated.
Preferably, a fixing plate is arranged on the steel sleeve, and a mounting hole for the steel sleeve to pass through is formed in the fixing plate; the fixed plate is connected with the steel sleeve through the second fixing piece and abutted to the side wall of the foundation pit.
Through adopting above-mentioned technical scheme, the fixed plate can be fixed to the soil around the steel casing pipe to when the prestressing force of anchor rope is stretched and is drawn, the load that the steel casing pipe received can disperse to the fixed plate on, thereby guarantee going on smoothly of anchor rope prestressing force stretch-draw construction.
Preferably, the second fixing piece is a nut, and the nut is sleeved on the steel sleeve and is in threaded connection with the steel sleeve; the nut is abutted to the fixing plate.
Through adopting above-mentioned technical scheme, screw up the nut, can be complete the fixed of fixed plate, the constructor of being convenient for uses.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the steel sleeve can be directly driven into the side wall of the foundation pit, the grouting pipe can penetrate into the steel sleeve, concrete mortar can enter the periphery of the steel sleeve through the grouting holes and the through holes, so that the steel sleeve is fixed, and the anchor cable hole can be drilled after the grouting pipe is taken out of the steel sleeve, so that the steel sleeve can effectively prevent the anchor hole from collapsing, and the normal construction of the anchor cable is guaranteed;
2. the guide groove and the positioning flange can ensure that the grouting hole is aligned with the through hole, so that the grouting construction is ensured to be carried out smoothly, and the threaded sleeve can be convenient for construction personnel to fix the grouting pipe and is convenient to operate;
3. the fixed plate can play better supporting effect to the steel sleeve pipe when anchor rope prestressing force is stretched and is drawn, promotes the bearing capacity of steel sleeve pipe.
Drawings
Fig. 1 is a cross-sectional view of a foundation pit anchor cable orifice device in an embodiment of the present application;
FIG. 2 is a schematic diagram of a structure for a grout pipe and steel casing;
FIG. 3 is an enlarged partial schematic view of portion A of FIG. 1;
fig. 4 is a schematic view for showing a connection relationship between the steel sleeve and the fixing plate.
In the drawings, the reference numbers: 1. steel casing; 11. a soil discharge groove; 12. a through hole; 13. a guide groove; 2. a hollow drill bit; 3. a grouting pipe; 31. a guide block; 32. grouting holes; 33. a positioning flange; 4. a first fixing member; 41. a fixing ring; 42. a threaded sleeve; 5. a fixing plate; 51. pipe sleeve; 6. and a second fixing member.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses foundation ditch anchor rope drill way device. Referring to fig. 1 and 2, the anchor cable orifice device of the foundation pit comprises a steel sleeve 1, a hollow drill bit 2 with a fixed head is coaxially arranged at one end of the steel sleeve 1, and a thread is arranged on the outer side wall of the other end of the steel sleeve 1. The steel sleeve 1 can be directly fixed on a drilling machine and driven by the drilling machine to drill into the side wall of the foundation pit. The lateral wall of the steel sleeve 1 is provided with a soil discharging groove 11, and the soil discharging groove 11 is spirally arranged around the circumferential side of the steel sleeve 1. One end of the soil discharging groove 11 extends to the hollow drill bit 2, and the other end extends towards one end of the steel casing pipe 1 far away from the hollow drill bit 2. The side wall of the steel sleeve 1 is provided with a through hole 12 communicated with the soil discharge groove 11.
Referring to fig. 1 and 2, a grout pipe 3 is provided inside the steel casing 1, and the grout pipe 3 can be taken out of the steel casing 1. The one end of slip casting pipe 3 seals the setting to slip casting pipe 3 confined one end is located inside steel casing 1, and the other end of slip casting pipe 3 extends to steel casing 1 outside.
Referring to fig. 2 and 3, a guide groove 13 is formed in the inner wall of the steel sleeve 1, the guide groove 13 is arranged along the length direction of the steel sleeve 1, and the guide groove 13 is communicated with the through hole 12. The outer side wall of the grouting pipe 3 is provided with a guide block 31, and the guide block 31 is matched with the guide groove 13. The guide block 31 is provided with a grouting hole 32, and the grouting hole 32 penetrates the grouting pipe 3. The grouting pipe 3 is provided with a positioning flange 33, and the positioning flange 33 can be brought into contact with the end of the steel sleeve 1. When grouting pipe 3 inserts in steel sleeve 1 and location flange 33 and steel sleeve 1 butt, grouting hole 32 aligns with through-hole 12, can let in the concrete mortar to steel sleeve 1's periphery through grouting pipe 3 this moment.
Referring to fig. 1, a first fixing member 4 is provided on a grout pipe 3. The first fixing member 4 includes a fixing ring 41 fitted over the grout pipe 3 and a threaded sleeve 42 fitted over the fixing ring 41, and the threaded sleeve 42 is integrally formed with the fixing ring 41. Since the fixing ring 41 can be brought into contact with the positioning flange 33 and the threaded sleeve 42 can be screwed to the end of the steel casing 1, the first fastener 4 can fix the grout pipe 3 to the steel casing 1.
Referring to fig. 4, the anchor cable orifice device of the foundation pit further comprises a fixing plate 5, and a mounting hole for the steel sleeve 1 to pass through is formed in the fixing plate 5, so that the fixing plate 5 can be sleeved on the steel sleeve 1. A socket 51 is further provided at the mounting hole, the socket 51 is fixed to the fixing plate 5, and the steel sleeve 1 passes through the socket 51, thereby improving stability between the fixing plate 5 and the steel sleeve 1.
Referring to fig. 1 and 4, a second fixing member 6 is arranged on the steel sleeve 1, the second fixing member 6 is a nut, the nut is sleeved on the steel sleeve 1 and is in threaded connection with the steel sleeve 1, and the fixing plate 5 can be fixed on the steel sleeve 1 through the fixing member. The fixed plate 5 can effectively improve the load capacity of the steel sleeve 1, so that the anchor cable can be conveniently subjected to prestress tensioning.
The implementation principle of foundation ditch anchor rope drill way device in the embodiment of this application does: firstly, drilling a positioning hole on the side wall of the foundation pit, and positioning the position of the steel sleeve 1 drilled into the side wall of the foundation pit, wherein the diameter of the positioning hole is smaller than that of the steel sleeve 1. The steel sleeve 1 is drilled into the inner wall of the foundation pit, then the grouting pipe 3 is inserted into the steel sleeve 1, and the grouting pipe 3 is fixed on the steel sleeve 1. Concrete mortar is injected around the steel casing 1 through the grout pipe 3, and then the grout pipe 3 is taken out from the steel casing 1.
After waiting for the concrete mortar to reach the intensity of needs, overlap fixed plate 5 on steel casing pipe 1, make fixed plate 5 and foundation ditch lateral wall butt, screw up the nut to fix fixed plate 5.
And then, an anchor cable hole can be drilled on the side wall of the foundation pit through the steel sleeve 1, and the steel sleeve 1 is used as a drill bushing.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a foundation ditch anchor rope drill way device which characterized in that: comprises a steel sleeve (1) and a grouting pipe (3) arranged on the inner side of the steel sleeve (1); one end of the grouting pipe (3) is arranged in a closed manner, the closed end of the grouting pipe (3) is positioned inside the steel sleeve (1), and the other end of the grouting pipe extends to the outside of the steel sleeve (1); a grouting hole (32) is formed in the side wall of the grouting pipe (3), and a through hole (12) corresponding to the grouting hole (32) is formed in the side wall of the steel sleeve (1); the grouting pipe (3) is detachably connected with the steel sleeve (1) through a first fixing piece (4).
2. The foundation pit anchor cable orifice device of claim 1, wherein: the end part of the steel sleeve (1) is coaxially provided with a hollow drill bit (2).
3. The foundation pit anchor cable orifice device of claim 2, wherein: the outer side wall of the steel sleeve (1) is provided with a soil discharging groove (11), and the soil discharging groove (11) is communicated with the through hole (12).
4. The foundation pit anchor cable orifice device of claim 1, wherein: a guide groove (13) is formed in the inner wall of the steel sleeve (1), and the through hole (12) is communicated with the guide groove (13); the outer side wall of the grouting pipe (3) is provided with a guide block (31), and the grouting hole (32) penetrates through the guide block (31).
5. The foundation pit anchor cable orifice device of claim 1, wherein: and a positioning flange (33) is arranged on the grouting pipe (3).
6. The foundation pit anchor cable orifice device of claim 5, wherein: the end part of the steel sleeve (1) is provided with threads, the first fixing piece (4) comprises a fixing ring (41) sleeved on the grouting pipe (3) and a thread sleeve (42) sleeved on the fixing ring (41), and the thread sleeve (42) is fixed on the fixing ring (41); the fixing ring (41) is abutted against the positioning flange (33), and the threaded sleeve (42) is in threaded fit with the end part of the steel sleeve (1).
7. The foundation pit anchor cable orifice device of claim 1, wherein: a fixing plate (5) is arranged on the steel sleeve (1), and a mounting hole for the steel sleeve (1) to pass through is formed in the fixing plate (5); and the fixing plate (5) is abutted against the side wall of the foundation pit and is connected with the steel sleeve (1) through a second fixing piece (6).
8. The foundation pit anchor cable orifice device of claim 7, wherein: the second fixing piece (6) is arranged as a nut, the nut is sleeved on the steel sleeve (1) and is in threaded connection with the steel sleeve (1), and the nut is abutted to the fixing plate (5).
CN202121698297.5U 2021-07-23 2021-07-23 Anchor cable orifice device for foundation pit Active CN215290163U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121698297.5U CN215290163U (en) 2021-07-23 2021-07-23 Anchor cable orifice device for foundation pit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121698297.5U CN215290163U (en) 2021-07-23 2021-07-23 Anchor cable orifice device for foundation pit

Publications (1)

Publication Number Publication Date
CN215290163U true CN215290163U (en) 2021-12-24

Family

ID=79524486

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121698297.5U Active CN215290163U (en) 2021-07-23 2021-07-23 Anchor cable orifice device for foundation pit

Country Status (1)

Country Link
CN (1) CN215290163U (en)

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