CN211144374U - Deep hole slip casting cutting formula reamer bit device - Google Patents
Deep hole slip casting cutting formula reamer bit device Download PDFInfo
- Publication number
- CN211144374U CN211144374U CN201921071688.7U CN201921071688U CN211144374U CN 211144374 U CN211144374 U CN 211144374U CN 201921071688 U CN201921071688 U CN 201921071688U CN 211144374 U CN211144374 U CN 211144374U
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- Prior art keywords
- sleeve
- blade
- reamer
- drill rod
- drill
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- 238000007569 slipcasting Methods 0.000 title claims description 10
- 238000004873 anchoring Methods 0.000 claims abstract description 50
- 238000005553 drilling Methods 0.000 claims abstract description 45
- 238000010276 construction Methods 0.000 claims abstract description 9
- 230000000149 penetrating effect Effects 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 19
- 239000010959 steel Substances 0.000 claims description 19
- 229910003460 diamond Inorganic materials 0.000 claims description 12
- 239000010432 diamond Substances 0.000 claims description 12
- 239000000956 alloy Substances 0.000 claims description 9
- 229910045601 alloy Inorganic materials 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000002689 soil Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 238000009412 basement excavation Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 241001074085 Scophthalmus aquosus Species 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Earth Drilling (AREA)
Abstract
A deep hole grouting cutting type reaming drill bit device belongs to the technical field of underground engineering construction equipment. Drill bit, reamer, drilling rod, casing anchor end pipe, pin. Wherein the drill bit and the reamer are hinged; one end of the reamer is hinged with the drill bit, and the other end of the reamer is hinged with the drill rod; the sleeve is sleeved on the drill rod in a penetrating way, one end of the sleeve is provided with an opening without connection, and the other end of the sleeve is connected with the pipe thread at the anchoring end of the sleeve; the anchoring end of the sleeve is sleeved on the drill rod in a penetrating way; the pin fixes the position of the casing anchoring end pipe at a certain position of the drill rod. The pin plays a role in fixing the position of the anchoring end of the sleeve in the non-working state and the drilling state of the device, a threaded pin can be adopted, and the sleeve anchoring end pipe can be detached after the pin is pulled out, so that the device enters a hole expanding state. The beneficial effects of the technical scheme are as follows: the underground space can be accurately excavated in a limited operation surface, the hole with a larger diameter can be excavated underground after the reamer is unfolded, and the diameter of the reamer can be determined by the unfolding degree of the reamer and can be manually controlled.
Description
Technical Field
The utility model relates to a deep hole slip casting cutting formula reamer bit device and construction method is applicable to the equipment device of soft soil place deep underground grouting stagnant water and reinforcement, belongs to underground engineering construction technical equipment field.
Background
The existing deep hole grouting method adopts a drilling grouting method, a single fixed drill bit is used for drilling, the aperture size can only be determined by the size of the drill bit, and if deep hole grouting with larger aperture is to be completed, the construction operation is complex, time-consuming, labor-consuming and low in drilling efficiency; in addition, the larger the diameter of the fixed drill bit is, the larger the drilling resistance is when the drill is drilled, and hole collapse and drill sticking faults are easily caused.
And the utility model provides a drill bit has the function that earlier small aperture creeps into the deep excavation of large aperture again, and wherein the change in aperture passes through opening and shutting of enlarger and realizes to reduce the hole collapse probability effectively, and reducible drilling resistance, drilling efficiency is high, reduces the card and bores the risk, guarantees drilling safety, realizes advantages such as slip casting stagnant water.
The utility model discloses the pore-forming speed is fast than conventional pore-forming speed, can shorten the pore-forming cycle. The utility model discloses the drilling excavation in great aperture under the certain soil layer degree of depth of mainly used, the perfect technological problem of having solved deep hole slip casting in the past, and its structure is convenient succinct, and construction cost is low.
SUMMERY OF THE UTILITY MODEL
The utility model relates to a deep hole slip casting cutting formula reamer bit device can pinpoint to enlarge drilling to target stratum, realize location slip casting and consolidate and stagnant water.
In order to achieve the above purpose, the utility model discloses a solution is:
the utility model relates to a deep hole slip casting cutting formula reamer bit device, include: the drilling tool comprises a drill bit (1), a reamer (2), a drill rod (3), a casing (4), a casing anchoring end pipe (5) and a pin (6); wherein the drill bit (1) and the reamer (2) are hinged; one end of the reamer (2) is hinged with the drill bit (1), and the other end of the reamer is hinged with the drill rod (3); the sleeve (4) is sleeved on the drill rod (3) in a penetrating way, one end of the sleeve is provided with an opening without connection, and the other end of the sleeve is in threaded connection with the sleeve anchoring end pipe (5); the sleeve anchoring end pipe (5) is sleeved on the drill rod (3) in a penetrating way; the pin (6) fixes the position of the casing anchoring end pipe (5) at a certain position of the drill rod (3). The details of the components are as follows, with reference to figures 1-4:
the drill bit includes: the alloy blocks are uniformly distributed in the gaps and fix the inner steel pipe and the outer steel pipe together (see figure 4), and the alloy blocks have sharp corners at the corresponding front end parts of the drill bits; the drill bit is the main instrument of broken ground, and the drill bit can meet the stratum according to the brill of difference and select corresponding drill bit, the utility model discloses the drill bit in the schematic diagram is the alloy drill bit, and drill bit and enlarger are articulated.
The reamer (2) is formed by connecting four blades with equal length, the lengths of the blades are L, one end of the first blade is fixedly connected with an inner steel pipe hinge of the drill bit (1), the other end of the first blade is fixedly connected with one end of the second blade, the other end of the second blade is fixedly connected with the front end of the drill rod (3) in a hinge mode, one end of the third blade is fixedly connected with the inner steel pipe hinge of the drill bit (1), the other end of the third blade is fixedly connected with one end of the fourth blade in a hinge mode, the other end of the fourth blade is fixedly connected with the front end of the drill rod (3) in a hinge mode, the first blade and the third blade are respectively connected with two end points of the diameter of the rear end of the inner steel pipe in a hinge mode, the second blade and the fourth blade are respectively connected with two end points of the diameter of the front end of the drill rod (3) in a hinge mode, the first blade, the second blade, the third blade and the fourth blade form a diamond-shaped frame structure, and the blade surfaces are in the same plane;
the drill rod (3) is a hollow long rod structure; the diameter of the sleeve (4) is the same as that of the sleeve anchoring end pipe (5) and is larger than that of the drill rod (3), the opening at the front end of the sleeve (4) is not connected, and the rear end of the sleeve (4) is fixedly connected with the sleeve anchoring end pipe (5) through a detachable screw thread; the sleeve anchoring end pipe (5) is provided with a pin hole, the drill rod (3) is provided with a pin hole, and the sleeve anchoring end pipe (5) and the drill rod (3) are fixed together by adopting a pin.
The shape of a diamond frame formed by the first blade, the second blade, the third blade and the fourth blade can be changed under the action of the jacking force of the drill rod, the variables in the change process include an angle n and a diameter d, wherein the angle n is an included angle between the second blade and the axial direction of the drill rod (3), namely an included angle between the second blade and the drilling direction, and the diameter d is a diagonal length of the diamond frame perpendicular to the axial direction of the drill rod (3) and is the diameter of the final drilling hole of the reamer (see fig. 3). Under the non-working state and the drilling state of the reamer, the first blade and the second blade are in a straight line, the third blade and the fourth blade are in a straight line and are contracted in the sleeve, and under the reaming state, the first blade, the second blade, the third blade and the fourth blade are withdrawn from the sleeve and are expanded into a diamond frame to carry out large-aperture drilling.
The drill rod is formed by splicing a plurality of sections of drill rod sections, the drill rod sections can be correspondingly lengthened according to the construction operation requirements, one end of the first section of drill rod section is hinged with the reamer, the other end of the first section of drill rod section is connected with the threaded flange of the second section of drill rod section, and the drill rod is sleeved with a sleeve and a sleeve anchoring end. The drill rod is used as a force transmission rod to apply jacking force to the drill bit in a drilling state, and can also be used as a grouting pipe to perform hole grouting in a grouting stage.
The sleeve pipe is the key of controlling this utility model whether to carry out reaming work, and the cover is worn on the drilling rod to the sleeve pipe, and its diameter is greater than the drilling rod diameter to it is intraductal to guarantee to put into the cover with the enlarger when the drilling state. The opening at one end of the sleeve is not connected, and the other end of the sleeve is connected with the screw thread at the anchoring end of the sleeve. After the pin is pulled out, the sleeve is detached from the drill stem along with the anchoring end of the sleeve, the reamer in the sleeve is exposed, and a diamond frame is formed under the pushing action of the drill stem, so that the device enters a reaming state.
The sleeve anchoring end pipe is sleeved on the drill rod in a penetrating mode and can slide on the drill rod when no pin is constrained, the sleeve anchoring end is consistent in diameter with the sleeve and is connected with the sleeve through threads, and the sleeve anchoring end pipe can synchronously drive the sleeve. Simultaneously, in the non-operating condition of device and the state of creeping into, sleeve pipe anchor end accessible pin is fixed on the drilling rod to prevent that the sleeve pipe from sliding, also be the important part of controlling this utility model and whether opening reaming work.
The pin plays a role in fixing the position of the anchoring end of the sleeve in the non-working state and the drilling state of the device, a threaded pin can be adopted, and the sleeve and the anchoring end of the sleeve can be detached after the pin is pulled out, so that the device enters a hole expanding state.
The beneficial effects of the technical scheme are as follows: the underground space can be accurately excavated in a limited operation surface, the hole with a larger diameter can be excavated underground after the reamer is unfolded, and the diameter of the reamer can be determined by the unfolding degree of the reamer and can be manually controlled.
Drawings
FIG. 1 is a general conceptual diagram of the present invention in a drilling state
FIG. 2 is the general concept diagram of the present invention in the reaming state
FIG. 3 is a schematic diagram of the geometric variables of the reamer during the reaming process of the present invention
FIG. 4 is a schematic view of the left side of the present invention
1 drill bit, 1.1 outer steel pipe, 1.2 alloy block, 1.3 inner steel pipe, 2 reamer, 3 drill rod, 4 casing pipes, 5 casing pipe anchoring end pipe and 6 pins.
Detailed Description
The present invention will be further described with reference to the following examples, but the present invention is not limited to the following examples.
Example 1
The utility model relates to a deep hole slip casting cutting formula reamer bit device, include: the drilling tool comprises a drill bit 1, a reamer 2, a drill rod 3, a casing 4, a casing anchoring end pipe 5 and a pin 6; wherein the drill bit 1 and the reamer 2 are hinged; one end of the reamer 2 is hinged with the drill bit 1, and the other end of the reamer is hinged with the drill rod 3; the sleeve 4 is sleeved on the drill rod 3 in a penetrating way, one end of the sleeve is provided with an opening without connection, and the other end of the sleeve is connected with the sleeve anchoring end pipe 5 through a screw thread; the sleeve anchoring end pipe 5 is sleeved on the drill rod 3 in a penetrating manner; the pin 6 fixes the position of the casing anchoring end pipe 5 somewhere on the drill rod 3. The details of the components are as follows with reference to the attached figures 1, 2, 3 and 4:
the drill 1 includes: the alloy blocks are uniformly distributed in the gaps and fix the inner steel pipe and the outer steel pipe together (see figure 4), and the alloy blocks have sharp corners at the corresponding front end parts of the drill bits; the drill bit is the main instrument of broken ground, and the drill bit can meet the stratum according to the brill of difference and select corresponding drill bit, the utility model discloses the drill bit in the schematic diagram is the alloy drill bit, and drill bit and enlarger are articulated.
The reamer 2 is formed by connecting four blades with equal length, the lengths of the blades are L, one end of a first blade is fixedly connected with an inner steel pipe of the drill bit 1 through a hinge, the other end of the first blade is fixedly connected with one end of a second blade through a hinge, and the other end of the second blade is fixedly connected with the front end of the drill rod 3 through a hinge;
the drill rod 3 is a hollow long rod structure; the periphery of the drill rod 3 is sleeved with a sleeve 4 and a sleeve anchoring end pipe 5, the diameter of the sleeve 4 is the same as that of the sleeve anchoring end pipe 5 and is larger than that of the drill rod 3, the front end opening of the sleeve 4 is not connected, and the rear end of the sleeve 4 is detachably and fixedly connected with the sleeve anchoring end pipe 5 through a screw thread; the sleeve anchoring end pipe 5 is provided with a pin hole, and the drill rod 3 is provided with a pin hole, and the sleeve anchoring end pipe 5 and the drill rod 3 are fixed together by adopting a pin.
The use method of the device comprises the following steps:
and in the construction process, drilling work and grouting work are sequentially completed on the measured monitoring points.
The drilling work is divided into two stages, wherein the first stage is a drilling stage, a blade in the device is folded in a sleeve in the drilling stage, a drill rod pushes a drill bit to continuously go deep into a soil body while rotating under the action of a power device, and drilling slag is discharged through the drill rod until a certain depth is reached;
the second stage is a reaming stage, after the first stage drills to a certain depth, the power supply is turned off, the device is drawn out from the soil body, the pin is pulled out after proper cleaning, so that the constraint on the anchoring end of the casing is relieved, the casing and the anchoring end pipe of the casing are continuously dismounted, and the reamer is exposed; the device is sent into the soil body to the deepest part, a power supply is turned on, the reamer forms a diamond frame under the pushing action of the drill rod, the device enters a reaming state, the diamond reamer formed by the surrounding of the blades can be used as a new cutter to work together with the drill bit to perform reaming work, drilling slag is discharged through the drill rod, and finally a hole with a larger aperture is excavated below the drilling well;
after the drilling operation is finished, the power supply can be turned off, the pumping device is started, and the mixed concrete is injected into the soil body from the drill rod, so that the grouting operation is finished.
Before the concrete in the large-aperture hole is solidified, the whole device is pushed to a deeper soil layer, the hole expanding stage and the grouting work are continuously repeated until the grouting depth required by design is reached, and finally, the part which cannot be removed in the device can be left on the soil body.
The present invention will be further described with reference to the accompanying drawings and construction operations.
Whether drill bit 1 adapts to the quality of rock nature and quality, is producing huge influence to in the aspect of drilling quality, probing speed, drilling cost, the utility model discloses the drill bit is outer spiral drill bit, makes the dregs after the cutting be a strip cubic, can improve the operating efficiency. The diameter of the inner steel tube is preferably equal to the diameter of the drill rod (3).
The underreamer 2 is the main working component of the excavation process, and is closed in a closed state in the casing in a non-working state and a drilling stage. Drilling process, the utility model discloses carry out whole rotary motion. In the reaming stage, the blades are unfolded to form a variable diamond reamer, the specific unfolding degree is related to an angle n, the angle n is changed under the pushing of a drill rod, the corresponding final reaming diameter d is changed until the maximum value is reached, and the length of the blades can be prepared according to the requirement.
The drill rods 3 are hollow drill rods and have enough compressive strength, the force transmission rod pieces can be used as grouting pipes, the drill rod sections are connected through threaded flanges, the sealing performance can be enhanced, the assembly and disassembly are convenient, and the labor and the time are saved.
The sleeve 4 is the key for controlling the opening and closing of the blade, the diameter of the sleeve is reasonable, the smooth opening and closing of the reamer can be influenced when the diameter is too small, and the drilling resistance can be increased when the diameter is too large. The diameter of the casing (4) is generally about 60-80 mm, is larger than the diameter of the drill rod (3) by 20mm and is smaller than the diameter of the outer steel pipe of the drill bit (1) by more than 10 mm.
The casing anchoring end 5 is in threaded connection with the casing, penetrates through the drill rod and can slide back and forth on the drill rod, but pin constraint is arranged at the casing anchoring end to ensure that the reamer can keep a closed state in a drilling stage.
The pin 6 is a component for restraining the anchoring end of the casing and the casing from sliding, the pulling-out of the pin is a turning point for judging whether the casing enters a reaming state or not, and the pin has enough strength and cannot be broken in a drilling stage.
Claims (7)
1. The utility model provides a deep hole slip casting cutting formula reamer bit device which characterized in that includes: the drilling tool comprises a drill bit (1), a reamer (2), a drill rod (3), a casing (4), a casing anchoring end (5) and a pin (6); wherein the drill bit (1) and the reamer (2) are hinged; one end of the reamer (2) is hinged with the drill bit (1), and the other end of the reamer is hinged with the drill rod (3); the sleeve (4) is sleeved on the drill rod (3) in a penetrating way, one end of the sleeve is provided with an opening without connection, and the other end of the sleeve is connected with the sleeve anchoring end (5) in a threaded way; the sleeve anchoring end (5) is sleeved on the drill rod (3) in a penetrating way; the pin (6) fixes the position of the anchoring end (5) of the sleeve at a certain position of the drill rod (3);
the drill bit includes: the alloy blocks are uniformly distributed in the gaps and fix the inner steel pipe and the outer steel pipe together, and the alloy blocks have sharp corners at the corresponding front end parts of the drill bits;
the reamer (2) is formed by connecting four blades with equal length, the lengths of the blades are L, one end of the first blade is fixedly connected with an inner steel pipe hinge of the drill bit (1), the other end of the first blade is fixedly connected with one end of the second blade, the other end of the second blade is fixedly connected with the front end of the drill rod (3) in a hinge mode, one end of the third blade is fixedly connected with the inner steel pipe hinge of the drill bit (1), the other end of the third blade is fixedly connected with one end of the fourth blade in a hinge mode, the other end of the fourth blade is fixedly connected with the front end of the drill rod (3) in a hinge mode, the first blade and the third blade are respectively connected with two end points of the diameter of the rear end of the inner steel pipe in a hinge mode, the second blade and the fourth blade are respectively connected with two end points of the diameter of the front end of the drill rod (3) in a hinge mode, the first blade, the second blade, the third blade and the fourth blade form a diamond-shaped frame structure, and the blade surfaces are in the same plane;
the drill rod (3) is a hollow long rod structure; a sleeve (4) and a sleeve anchoring end (5) are arranged on the periphery of the drill rod (3), the diameters of the sleeve (4) and the sleeve anchoring end (5) are the same and are larger than the diameter of the drill rod (3), an opening at the front end of the sleeve (4) is not connected, and the rear end of the sleeve (4) is fixedly connected with the sleeve anchoring end (5) through a detachable screw thread; the sleeve anchoring end (5) is provided with a pin hole, the drill rod (3) is provided with a pin hole, and the sleeve anchoring end (5) and the drill rod (3) are fixed together by adopting a pin.
2. A deep hole grouting cutting type reamer bit device according to claim 1, wherein the diamond frame formed by the first blade, the second blade, the third blade and the fourth blade can change shape under the action of the pushing force of the drill rod, and the change quantity of the diamond frame is an angle n and a diameter d in the change process, wherein the angle n is an included angle between the second blade and the axial direction of the drill rod (3), namely an included angle between the second blade and the drilling direction, and the diameter d is a diagonal length of the diamond frame perpendicular to the axial direction of the drill rod (3) and is the diameter of the final drilled hole of the reamer; under the non-working state and the drilling state of the reamer, the first blade and the second blade are in a straight line, the third blade and the fourth blade are in a straight line and are contracted in the sleeve, and under the reaming state, the first blade, the second blade, the third blade and the fourth blade are withdrawn from the sleeve and are expanded into a diamond frame to carry out large-aperture drilling.
3. The deep hole grouting cutting type reamer bit device according to claim 1, wherein the drill stem is formed by splicing a plurality of drill stem sections, the drill stem sections can be correspondingly lengthened according to construction operation requirements, one end of a first drill stem section is hinged with the reamer, and the other end of the first drill stem section is connected with a threaded flange of a second drill stem section; the drill rod is used as a force transmission rod to apply jacking force to the drill bit in a drilling state, and is used as a grouting pipe to perform hole grouting in a grouting stage.
4. A deep hole grouting cutting reamer bit assembly as claimed in claim 1, wherein the casing diameter is greater than the drill rod diameter and the reamer is received in the casing during drilling conditions; one end of the sleeve is provided with an opening without connection, and the other end of the sleeve is connected with the anchoring end of the sleeve in a threaded manner; after the pin is pulled out, the sleeve is detached from the drill rod along with the anchoring end of the sleeve, the reamer in the sleeve is exposed, and a diamond frame is formed under the pushing action of the drill rod.
5. The deep hole grouting cutting type reamer bit device according to claim 1, wherein the anchoring end of the sleeve is inserted into the drill rod and can slide on the drill rod without pin constraint, the anchoring end of the sleeve is consistent in diameter with the sleeve and is in threaded connection with the sleeve, and the anchoring end of the sleeve can synchronously drive the sleeve.
6. A deep hole grouting cutting reamer bit device according to claim 1, characterized in that the diameter of the inner steel tube is equal to the diameter of the drill rod (3).
7. A deep hole grouting cutting type reamer bit device according to claim 1, wherein the diameter of the sleeve (4) is about 60-80 mm, is greater than the diameter of the drill rod (3) by 20mm, and is smaller than the diameter of the outer steel pipe of the drill bit (1) by more than 10 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921071688.7U CN211144374U (en) | 2019-07-09 | 2019-07-09 | Deep hole slip casting cutting formula reamer bit device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921071688.7U CN211144374U (en) | 2019-07-09 | 2019-07-09 | Deep hole slip casting cutting formula reamer bit device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211144374U true CN211144374U (en) | 2020-07-31 |
Family
ID=71758360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921071688.7U Withdrawn - After Issue CN211144374U (en) | 2019-07-09 | 2019-07-09 | Deep hole slip casting cutting formula reamer bit device |
Country Status (1)
| Country | Link |
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| CN (1) | CN211144374U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374510A (en) * | 2019-07-09 | 2019-10-25 | 北京市政路桥股份有限公司 | A kind of deep hole grouting cutting type reaming bit device and construction method |
-
2019
- 2019-07-09 CN CN201921071688.7U patent/CN211144374U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374510A (en) * | 2019-07-09 | 2019-10-25 | 北京市政路桥股份有限公司 | A kind of deep hole grouting cutting type reaming bit device and construction method |
| CN110374510B (en) * | 2019-07-09 | 2024-05-14 | 北京市政路桥股份有限公司 | Deep hole grouting cutting type reaming bit device and construction method |
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Granted publication date: 20200731 Effective date of abandoning: 20240514 |