CN210105897U - Throw stone layer stock pore-forming auxiliary device - Google Patents
Throw stone layer stock pore-forming auxiliary device Download PDFInfo
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- CN210105897U CN210105897U CN201920851380.8U CN201920851380U CN210105897U CN 210105897 U CN210105897 U CN 210105897U CN 201920851380 U CN201920851380 U CN 201920851380U CN 210105897 U CN210105897 U CN 210105897U
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Abstract
The utility model relates to a rock-throwing layer anchor rod pore-forming auxiliary device, which comprises a sleeve and a tube drawing device; the sleeve comprises a pipe body, threads are arranged on the peripheral surface of the pipe body, and a first detachable gear ring is coaxially arranged at the top end of the pipe body; the tube drawing device comprises a base and a lifting plate, and the sleeve is movably connected with the base; two screws which are arranged in parallel are fixed on the base and are perpendicular to the base; the lifting plate is in threaded connection with the screw through a threaded sleeve, the threaded sleeve is in rotary connection with the lifting plate, and a second gear ring is sleeved on the periphery of the top of the threaded sleeve; a worm and a driving motor are further arranged on the lifting plate, a first gear is fixed on the worm, and the driving motor is meshed with the first gear; second gears are arranged at two ends of the worm, and the two second gears are respectively meshed with the two second gear rings; the worm is meshed with the first gear ring. Utility model is used for throwing stone layer stock pore-forming's complementary work.
Description
Technical Field
The utility model relates to a geotechnical engineering construction field, more specifically, the utility model relates to a throw stone layer stock pore-forming auxiliary device.
Background
The prestressed anchor rod is used as a support measure and a slope treatment method, an unstable soil body is reinforced on a stable soil body through the anchor rod, and the rock-soil stability requirement is met under the condition that excavation is reduced as much as possible. However, in coastal areas, particularly coastal reclamation areas, a riprap layer often exists in foundation pit engineering, for the support of the foundation pits, because a drill bit can break off the drill bit or a drill rod when meeting stones in the drilling process, if a percussion drill is used for drilling, although the problem of breaking of the drill bit can be solved, the prestressed anchor rod needs to be horizontally inclined downwards by 15 degrees to 35 degrees, stones in the riprap layer fall back and fill after the percussion drill is pulled out, and therefore the prestressed anchor rod is rarely applied due to the fact that an effective hole forming method is not available.
Accordingly, there is a need for a rock bolt hole forming device that can be used in conjunction with a riprap layer.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can cooperate in stock pore-forming device that throws stone layer and use
According to one aspect of the utility model, a rock layer anchor rod pore-forming auxiliary device is provided, which comprises a sleeve and a tube drawing device; wherein:
the sleeve comprises a pipe body, threads are arranged on the peripheral surface of the pipe body, and a first detachable gear ring is coaxially arranged at the top end of the pipe body;
the tube drawing device comprises a base and a lifting plate, the base is fixed to a position to be formed with a hole through a fixing rod, and the sleeve is movably connected with the base; two screws which are arranged in parallel are fixed on the base and are perpendicular to the base; the lifting plate is in threaded connection with the screw through a threaded sleeve, the threaded sleeve is in rotary connection with the lifting plate, and a second gear ring is sleeved on the periphery of the top of the threaded sleeve; a worm and a driving motor are further arranged on the lifting plate, a first gear is fixed on the worm, and the driving motor is meshed with the first gear; second gears are arranged at two ends of the worm, and the two second gears are respectively meshed with the two second gear rings; the worm is meshed with the first gear ring.
According to the scheme, firstly, the impact drill and the eccentric drill are utilized to drive the sleeve to drill and tunnel, the sleeve is left in the rubble layer after the hole is drilled to prevent collapse, and the anchor rod hole forming operation is carried out; when the anchor rod is inserted for grouting, the pipe drawing device is utilized to drive the sleeve to be drawn out in a rotating mode, grouting is carried out simultaneously, and prestressed anchor rod arrangement of a rubble layer is completed; the threads are arranged outside the sleeve in the device, so that the sleeve is convenient to spirally pull out and labor-saving; and the equipped pipe drawing device does not shield the top opening of the sleeve, so that mortar is poured while the pipe is drawn conveniently, the working procedures are saved, and the efficiency is improved.
Preferably, a push plate is fixed at the bottom of the first gear ring, a push block is arranged on the lifting plate, and the top of the push block is abutted to the bottom surface of the push plate.
Through this scheme, the lifter plate promotes the sleeve pipe at the lift in-process and rises, guarantees that the speed that the sleeve pipe rises is unanimous with the lifter plate, prevents that the worm from breaking away from the cooperation with first ring gear.
Preferably, a certain distance is reserved between the push plate and the first gear ring, a stop block is fixed at the top of the push block, and the stop block extends into a gap between the push plate and the first gear ring.
Through this scheme, prevent that the sleeve pipe from rising speed too fast, further guarantee the stability of this device operation.
Preferably, the lifting plate is provided with a through hole, and the sleeve penetrates through the through hole to enable the first gear ring to be meshed with the worm; the push blocks are provided with at least two push blocks which are uniformly arranged around the through holes; the push block is detachably connected with the lifting plate.
Through this scheme, detachable connection is convenient for the installation of tube drawing device.
Preferably, the base is provided with a detachable connecting plate, a threaded hole is formed in the middle of the connecting plate, and the sleeve is in threaded connection with the base through the connecting plate; the threaded hole is formed by splicing and surrounding two connecting blocks.
Through this scheme, dismantle the back with the connecting block, the tube drawing device of being convenient for installs to the sleeve pipe on.
Preferably, one of the connecting blocks is provided with a positioning rod, and the other connecting block is provided with a positioning hole matched with the positioning rod.
Through this scheme, improve the installation accuracy of connecting block.
Preferably, the top of the screw is provided with a limiting block.
Through this scheme, inject the lift scope of lifter plate.
Preferably, the four corners of the base are provided with fixing rods.
Through this scheme, guarantee the fixed stability of base.
The utility model has the technical effects that the hole forming operation of the anchor rod in the stone throwing layer is facilitated, and the sleeve can be conveniently pulled out; the operation is simple, and the device is portable and practical.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments of the invention, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is the utility model discloses stock pore-forming auxiliary device structure sketch map.
Fig. 2 is a schematic structural diagram of the anchor rod pore-forming auxiliary device in the embodiment of the present invention in a top view.
Fig. 3 is a structural schematic diagram of a sleeve in the anchor rod pore-forming auxiliary device according to the embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a pipe drawing device in the anchor rod pore-forming auxiliary device according to the embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a push block and a pull block in the anchor rod pore-forming auxiliary device according to the embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a connecting plate in the anchor rod pore-forming auxiliary device according to the embodiment of the present invention.
Fig. 7 is a schematic side view of a connecting plate in an anchor rod pore-forming auxiliary device according to an embodiment of the present invention.
Fig. 8 is a schematic diagram of the position of the sleeve when the anchor rod is formed into a hole according to the embodiment of the present invention.
Wherein like parts are designated by like reference numerals throughout the several views; the figures are not drawn to scale.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be considered a part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
< example >
As shown in fig. 1 to 7, the rock layer bolt hole forming auxiliary device in the present embodiment includes a sleeve 1000 and a pipe drawing device 2000; wherein:
the sleeve 1000 comprises a pipe body 1100, wherein threads are arranged on the peripheral surface of the pipe body 1100, and a detachable first gear ring 1200 is coaxially arranged at the top end of the pipe body 1100;
the tube drawing device 2000 comprises a base 2100 and a lifting plate 2200, wherein the base 2100 is fixed to a position to be drilled through a fixing rod 2110, and the sleeve 1000 is in threaded connection with the base 2100; two screws 2120 which are arranged in parallel are fixed on the base 2100, and the screws 2120 are perpendicular to the base 2100; the lifting plate 2200 is in threaded connection with the screw rod 2120 through a threaded sleeve 2230, the threaded sleeve 2230 is in rotational connection with the lifting plate 2200, and a second gear ring 2231 is sleeved on the periphery of the top of the threaded sleeve 2230; the lifting plate 2200 is further provided with a worm 2220 and a driving motor 2210, the worm 2220 is fixed with a first gear 2221, and the driving motor 2210 is meshed with the first gear 2221; a second gear 2222 is arranged at each end of the worm 2220, and the two second gears 2222 are respectively engaged with the two second gear rings 2231; the worm 2220 is engaged with the first ring gear 1200.
According to the scheme of the embodiment, firstly, the sleeve 1000 is driven to drill and tunnel by using the impact drill and the eccentric drill, the sleeve 1000 is left in the riprap layer after the hole is drilled to prevent collapse (as shown in fig. 8), and the anchor rod hole forming operation is carried out; when the anchor rod is inserted for grouting, the pipe drawing device 2000 is used for driving the sleeve 1000 to be drawn out in a rotating mode, grouting is carried out simultaneously, and prestressed anchor rod arrangement of a rubble layer is completed; the screw thread is arranged outside the sleeve 1000 in the device, so that the spiral drilling and the spiral pulling are convenient, and the labor is saved; and the equipped pipe drawing device 2000 does not shield the top opening of the sleeve 1000, so that mortar can be conveniently poured while drawing the pipe, the working procedures are saved, and the efficiency is improved.
After the tube drawing device 2000 is started, the driving motor 2210 rotates to drive the worm 2220 to rotate, and the worm 2220 drives the sleeve 1000 to rotate and move upwards; the second gear 2222 at both ends of the worm 2220 drives the threaded sleeve 2230 to rotate, so that the lifting plate 2000 is driven by the threaded sleeve 2230 to move up synchronously with the loop bar 1000, and the worm 2220 is ensured to be matched with the first gear ring 1200. The pitch of the screw thread of the sleeve 1000 is proportional to the pitches of the worm 2220 and the screw 2120, and the raising speed of the sleeve 1000 coincides with the raising and lowering speed of the lift plate 2200 in the screw drive.
In this embodiment or other embodiments, a push plate 1300 is fixed at the bottom of the first gear ring 1200, a push block 2241 is arranged on the lifting plate 2200, and the top of the push block 2241 abuts against the bottom surface of the push plate 1300. The lifting plate 2200 pushes the sleeve 1000 to lift up during the lifting process, so as to ensure that the lifting speed of the sleeve 1000 is too slow, and prevent the worm 2220 from disengaging from the first gear ring 1200. The push plate 1300 and the first gear ring 1200 may be an integrated structure, and are fixed to the pipe 1100 by a set screw.
In this embodiment or other embodiments, the push plate 1300 and the first ring gear 1200 are separated by a certain distance, a stop 2242 is fixed on the top of the push block 2241, and the stop 2242 extends into a gap between the push plate 1300 and the first ring gear 1200, so as to prevent the sleeve 1000 from being lifted too fast, and further ensure the stability of the operation of the device. The push block 2241 and the stop block 2242 are of an integrated structure.
In this embodiment or other embodiments, the lifting plate 2200 is provided with a through hole (not shown), and the sleeve 1000 passes through the through hole to engage the first ring gear 1200 with the worm 2220; the push blocks 2241 are provided with at least two push blocks which are uniformly arranged around the through holes; the ejector pad 2241 with lifter plate 2200 detachable connection, detachable connection is convenient for tube drawing device 2000's installation. As shown in fig. 5, the push block 2241 and the pull block 2242 are an integral structure, and the cross section of the push block 2241 and the pull block 2242 is arc-shaped, so that the two push blocks 2241 surround the sleeve 1000, which helps to maintain the stability of the sleeve 1000.
In this embodiment or other embodiments, a detachable connecting plate 2130 is disposed on the base 2100, a threaded hole 2131 is formed in the middle of the connecting plate 2130, and the sleeve 1000 is in threaded connection with the base 2100 through the connecting plate 2130; the threaded hole 2131 is formed by splicing and surrounding two connecting blocks 2132. After the connecting block is disassembled, the pipe drawing device 2000 is convenient to be installed on the sleeve 1000; the threaded connection further ensures the stability of the rising speed of the sleeve 1000; the threaded connection also helps to impart an upward pulling force on the sleeve 1000.
In this embodiment or other embodiments, one of the connecting blocks 2132 is provided with a positioning rod 2133, and the other connecting block 2132 is provided with a positioning hole 2134 matched with the positioning rod 2133, so that the mounting accuracy of the connecting block 2132 is improved, and the stability of the threaded connection between the sleeve 1000 and the base 2100 is ensured.
In this embodiment or other embodiments, a stop block 2121 is disposed on the top of the screw 2120. The lifting range of the lifting plate 2200 is limited.
In this embodiment or other embodiments, the fixing rods 2110 are disposed at four corners of the base 2100, so as to ensure the stability of the fixing of the base 2100. The fixing rod 2110 is movably connected to the base 2100 and fixed by being inserted into a fixing hole of the base 2100. A spacer (not shown) may be added to the bottom of the base 2100 to adapt to different environments.
When the casing pipe 1000 is additionally installed on the down-the-hole drill eccentric drill bit to rotate forward to drill a hole, a hole penetrating through the rubble layer is formed, the casing pipe 1000 is left in the drilled hole to form a protection wall, and the rubble layer is prevented from collapsing, as shown in fig. 8.
And then pulling out the down-the-hole drill, and adopting a conventional spiral drilling machine to carry out pre-stressed anchor rod construction to drill into a soil layer behind the riprap layer.
After the anchor rod is placed, mortar or cement paste is poured, and the sleeve 1000 is pulled out by the pipe pulling device 2000 in the pouring process until the pouring is finished. Thereby realizing the laying of the prestressed anchor rods in the rubble layer.
Although some specific embodiments of the present invention have been described in detail by way of illustration, it should be understood by those skilled in the art that the above illustration is only for purposes of illustration and is not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
Claims (8)
1. A rock layer stock pore-forming auxiliary device is characterized by comprising a sleeve and a pipe drawing device; wherein:
the sleeve comprises a pipe body, threads are arranged on the peripheral surface of the pipe body, and a first detachable gear ring is coaxially arranged at the top end of the pipe body;
the tube drawing device comprises a base and a lifting plate, the base is fixed to a position to be formed with a hole through a fixing rod, and the sleeve is movably connected with the base; two screws which are arranged in parallel are fixed on the base and are perpendicular to the base; the lifting plate is in threaded connection with the screw through a threaded sleeve, the threaded sleeve is in rotary connection with the lifting plate, and a second gear ring is sleeved on the periphery of the top of the threaded sleeve; a worm and a driving motor are further arranged on the lifting plate, a first gear is fixed on the worm, and the driving motor is meshed with the first gear; second gears are arranged at two ends of the worm, and the two second gears are respectively meshed with the two second gear rings; the worm is meshed with the first gear ring.
2. The riprap layer anchor rod pore-forming auxiliary device of claim 1, wherein a push plate is fixed at the bottom of the first gear ring, a push block is arranged on the lifting plate, and the top of the push block abuts against the bottom surface of the push plate.
3. The riprap layer anchor rod pore-forming auxiliary device of claim 2, wherein the push plate is spaced from the first gear ring by a certain distance, and a stop block is fixed on the top of the push block and extends into a gap between the push plate and the first gear ring.
4. The riprap anchor rod hole-forming auxiliary device as claimed in claim 3, wherein the lifting plate is provided with a through hole, and the sleeve passes through the through hole to enable the first gear ring to be meshed with the worm; the push blocks are provided with at least two push blocks which are uniformly arranged around the through holes; the push block is detachably connected with the lifting plate.
5. The riprap layer anchor rod pore-forming auxiliary device according to claim 1, wherein a detachable connecting plate is arranged on the base, a threaded hole is formed in the middle of the connecting plate, and the sleeve is in threaded connection with the base through the connecting plate; the threaded hole is formed by splicing and surrounding two connecting blocks.
6. The riprap layer anchor rod hole-forming auxiliary device of claim 5, wherein one of the connecting blocks is provided with a positioning rod, and the other connecting block is provided with a positioning hole matched with the positioning rod.
7. The riprap layer anchor rod pore-forming auxiliary device of claim 1, wherein the top of the screw is provided with a limiting block.
8. The auxiliary hole-forming device for the rock bolt of the riprap layer as claimed in claim 1, wherein the four corners of the base are provided with fixing rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920851380.8U CN210105897U (en) | 2019-06-06 | 2019-06-06 | Throw stone layer stock pore-forming auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920851380.8U CN210105897U (en) | 2019-06-06 | 2019-06-06 | Throw stone layer stock pore-forming auxiliary device |
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| Publication Number | Publication Date |
|---|---|
| CN210105897U true CN210105897U (en) | 2020-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920851380.8U Active CN210105897U (en) | 2019-06-06 | 2019-06-06 | Throw stone layer stock pore-forming auxiliary device |
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| CN (1) | CN210105897U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113323056A (en) * | 2021-06-21 | 2021-08-31 | 浙江工业职业技术学院 | High-efficient ramming device |
| CN113323057A (en) * | 2021-06-21 | 2021-08-31 | 浙江工业职业技术学院 | Tamping method for side slope soil body |
-
2019
- 2019-06-06 CN CN201920851380.8U patent/CN210105897U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113323056A (en) * | 2021-06-21 | 2021-08-31 | 浙江工业职业技术学院 | High-efficient ramming device |
| CN113323057A (en) * | 2021-06-21 | 2021-08-31 | 浙江工业职业技术学院 | Tamping method for side slope soil body |
| CN113323057B (en) * | 2021-06-21 | 2022-07-26 | 浙江工业职业技术学院 | Tamping method for side slope soil body |
| CN113323056B (en) * | 2021-06-21 | 2022-08-05 | 浙江工业职业技术学院 | High-efficient ramming device |
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