CN210529685U - Hollow drill rod excavator - Google Patents
Hollow drill rod excavator Download PDFInfo
- Publication number
- CN210529685U CN210529685U CN201921298646.7U CN201921298646U CN210529685U CN 210529685 U CN210529685 U CN 210529685U CN 201921298646 U CN201921298646 U CN 201921298646U CN 210529685 U CN210529685 U CN 210529685U
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- China
- Prior art keywords
- drill rod
- guide rail
- fixed guide
- rail frame
- hollow drill
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- 239000000725 suspension Substances 0.000 claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 238000010276 construction Methods 0.000 abstract description 16
- 238000005553 drilling Methods 0.000 description 23
- 238000000034 method Methods 0.000 description 11
- 238000009412 basement excavation Methods 0.000 description 7
- 239000002689 soil Substances 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of construction machinery, in particular to a hollow drill rod excavator, which comprises a crawler-type chassis, wherein a rotary vehicle body is arranged on the chassis, an operating platform and a hydraulic pump station are arranged on the rotary vehicle body, a stand column is arranged on the rotary vehicle body, a suspension beam is arranged at the top end of the stand column, a downward support rod is hinged at the free end of the suspension beam, a fixed guide rail frame is arranged at the front end of the rotary vehicle body, the fixed guide rail frame is fixed on the rotary vehicle body, a movable frame is arranged in the fixed guide rail frame and can slide up and down in the fixed guide rail frame, an outer tooth turntable bearing is arranged at the upper part in the movable frame, a hydraulic motor is arranged outside the movable frame, a drill rod mounting seat is arranged on the outer tooth turntable bearing, a continuous drill rod is arranged at the lower end of the drill rod mounting seat, a lifting, the structure is compact, and the adaptability is strong.
Description
Technical Field
The utility model relates to the technical field of construction machinery, especially, relate to a hollow drill rod excavator.
Background
In the field of pile foundation treatment of engineering construction, the construction process is roughly divided into two categories, namely an extrusion pile, the construction process comprises a hammering method, a static pressure method and the like, the other category is called a cast-in-place pile and also called an excavation pile, the construction process is that a pile foundation shaft is excavated on a working surface and then a reinforcement cage is placed for pouring, the application document mainly relates to the excavation of the cast-in-place pile shaft, at present, the machines excavated on the ground are very numerous and the technology is very mature, such as a rotary excavator and the like, but the excavation machine for construction in low space does not have mature equipment, at present, subways are constructed in all major cities, the construction of the conventional subway stations usually adopts an open-air excavation construction mode, the mode occupies large area and has more limited places, particularly in downtown areas, a subsurface excavation type construction mode is promoted, the height of subsurface tunnel construction is limited, and the rotary excavator cannot go at all, the depth of the vertical shaft is very deep, the general depth is thirty meters, the diameter is about one meter, in the past, the excavation is carried out by manpower and simple machinery, the efficiency is low, the safety is very unsafe, the difficulty is higher when water flows out of the vertical shaft, and the method is eliminated at present.
The existing two machines can enter into the tunnel face for construction, one is a well drilling machine used on the ground, the well drilling machine utilizes a continuous drill rod to drive a drill bit, water is injected into a well in the well drilling process, the drill bit drills soil into mud and simultaneously extracts the mud, but the method needs to process the extracted mud, the mud is difficult to process due to the fluidity of the mud and is positioned on the tunnel face, the other construction machine adopts a suspended sleeve telescopic drill rod, a set of high-power hydraulic motor is arranged at the lower end of the drill rod and drives the drill bit to rotate, the telescopic drill rod is used for lifting the drill bit with the soil out of a construction working face, the machine has the defects that the machine cannot work when encountering water, most of pile wells can shoot out the water, a large amount of mud enters into the gaps of the sleeves and is repeatedly extruded and finally hardened to form hard scale layers which are difficult to dissolve in the water, the sliding of the sleeves is blocked, the construction is interrupted because the drill is hammered or taken off due to the fact that the drill is stuck, the existing drilling machine is not mature in technology, the service life of a drill rod is short, the construction cost is high, and the efficiency is low.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome not enough among the prior art, provide a hollow drill rod excavator, be fit for using in low space, the structure is comparatively compact, and strong adaptability can excavate simultaneously and unearth on one side, has improved work efficiency.
The utility model discloses a realize through following technical scheme: a hollow drill rod excavator comprises a crawler-type chassis, wherein a rotary vehicle body is arranged on the chassis, an operating platform and a hydraulic pump station are arranged on the rotary vehicle body, a stand column is arranged at a position, close to the front end, of the rotary vehicle body, a suspension beam extending out of the rotary vehicle body is arranged at the top end of the stand column, a downward supporting rod is hinged to the free end of the suspension beam, a square fixed guide rail frame is arranged at the front end of the rotary vehicle body, the lower portion of the fixed guide rail frame is connected with the rotary vehicle body, the middle portion of the fixed guide rail frame is fixed on the vertical rod, a square movable frame is arranged in the fixed guide rail frame and can slide up and down in the fixed guide rail frame, an external tooth turntable bearing is arranged at the upper portion in the movable frame, and a hydraulic motor is arranged at a position, opposite to the external tooth turntable, the improved drilling machine is characterized in that a gear disc matched with the outer tooth turntable bearing is sleeved on an output shaft of the hydraulic motor, the hydraulic motor can drive the outer tooth turntable bearing to rotate, a downward conical drilling rod mounting seat is arranged on the outer tooth turntable bearing, a continuous drilling rod is arranged at the lower end of the drilling rod mounting seat, and a lifting device used for lifting the movable frame is further arranged on the rotary vehicle body.
Further, hoisting device is including setting up hoist engine I that lies in between stand and the fixed guide rail frame on rotatory automobile body, the fixed guide rail frame is close to rotatory automobile body one side upper end and sets up one and has pulley I, pulley I has two, and two pulleys I set up the both sides at the fixed guide rail frame respectively, the upper end both sides intermediate position of fixed guide rail frame all is provided with a pulley II, movable frame's lower extreme both sides intermediate position department is provided with pulley III, last wire rope of hoist engine I walks around pulley I, pulley II and pulley III, hoist engine I can drive movable frame and rise.
Furthermore, the upright post has at least two sections, and two adjacent upright posts are connected through a flange
Furthermore, a winch II is arranged on the top end of the upright post in the direction opposite to the direction of the suspension beam, an electric push rod is arranged on the suspension beam and is installed along the length direction of the suspension beam, the front end of the electric push rod faces the direction away from the upright post, a downward automatic grab bucket is arranged at the front end of the electric push rod, a steel wire rope on the winch II is connected with the automatic grab bucket, and the winch II can control the automatic grab bucket to ascend or descend.
Furthermore, the suspension beam is an I-shaped steel beam, and the electric push rod is arranged in a groove of the I-shaped steel beam.
Further, still be provided with leveling mechanism on rotatory automobile body and the fixed guide frame, leveling mechanism is including setting up two hydraulic leg in rotatory automobile body rear end, leveling mechanism is still including setting up two hydraulic leg of keeping away from rotatory automobile body one side on the fixed guide frame, and the balance of rotatory automobile body can be guaranteed to four hydraulic leg.
Furthermore, the lower end of the supporting rod is provided with a manual lifting base.
Further, a clamping block for preventing the drill rod from deviating is arranged at the lower end of the fixing frame.
Further, the inner diameter of the drill rod is larger than 700 mm.
The beneficial effects of the utility model reside in that: the utility model discloses set up the holistic removal of portable base of being convenient for, the multistage formula of pole setting, the articulated of hanging oneself from a beam and bracing piece, whole height when can reducing this mechanical movement, the machinery of being convenient for rotates, the drilling rod of the formula that continues is adopted in the during operation, need not too high height, I simultaneous working of two hoists, stability when having improved movable frame and reciprocating, automatic grab bucket can be with the soil in the drilling rod proposing, and then slag tap, and do not influence the normal drilling of drilling rod when fetching soil and slagging tap, the internal diameter numerical value of drilling rod is greater than 700mm, the automatic grab bucket of being convenient for falls along the drilling rod internal diameter, the utility model discloses overall structure is compact, is applicable to and works in low space, and the good reliability is convenient for transport, and the suitability.
Drawings
Fig. 1 is a front view of embodiment 1 of the present invention;
wherein: 1-chassis, 2-hydraulic support legs, 3-rotary vehicle body, 4-hydraulic pump station, 6-operation table, 7-winch I, 8-upright post, 9-winch II, 10-electric push rod, 11-cantilever beam, 12-automatic grab bucket, 13-support rod, 14-pulley I, 15-hydraulic motor, 16-external tooth turntable bearing, 17-movable frame, 18-fixed guide rail frame, 19-drill rod, 20-manual lifting base, 21-pulley II, 22-pulley III and 23-fixture block.
Detailed Description
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
As shown in fig. 1, the hollow drill rod excavator comprises a crawler-type chassis 1, a rotary vehicle body 3 is mounted on the chassis 1, an operating platform 6 and a hydraulic pump station 4 are mounted on the rotary vehicle body 3, the hydraulic pump station 4 provides power for the machine during operation, two upright columns 8 are fixed at the position of the rotary vehicle body 3 close to the front end, the two upright columns 8 are connected through flanges, the upright columns 8 can be detached to facilitate height adjustment of the upright columns 8 and walking of the machine in a low space, a suspension beam 11 extending out of the rotary vehicle body 3 is mounted at the top end of each upright column 8, a downward support rod 13 is hinged at the free end of each suspension beam 11, a manual lifting base 20 is arranged at the lower end of each support rod 13, the support rods 13 are hinged with the suspension beams 11 to facilitate transportation and walking in the same way, the bottom ends of the support rods 13 are convenient to adapt to different bottom surfaces, a square fixed guide rail frame 18 is fixed, the lower part of a fixed guide rail frame 18 is connected with a rotary vehicle body 3, the middle part of the fixed guide rail frame 18 is fixed on a stand column 8, thus the fixed guide rail frame 18 is well fixed with the rotary vehicle body 3 and can rotate along with the rotary vehicle body 3, a square movable frame 17 is arranged in the fixed guide rail frame 18, the movable frame 17 can slide up and down in the fixed guide rail frame 18, an external tooth turntable bearing 16 is fixed at the upper part in the movable frame 17, a hydraulic motor 15 is arranged at the position of the outer part of the movable frame 17 opposite to the external tooth turntable bearing 16, a gear disc matched with the external tooth turntable bearing 16 is sleeved on the output shaft of the hydraulic motor 15, the hydraulic motor 15 can drive the external tooth turntable bearing 16 to rotate, a downward conical drill rod 19 mounting seat is arranged on the external tooth turntable bearing 16, and the lower end of the drill rod 19 mounting seat is connected with a, the lower end of the fixed guide rail frame 18 is provided with a clamping block 23 for preventing the drill rod 19 from deviating, the position of the clamping block 23 can be adjusted, the rotating car body 3 is also provided with a lifting device for lifting the movable frame 17, the lifting device comprises a winch I7 which is arranged on the rotating car body 3 and is positioned between the upright post 8 and the fixed guide rail frame 18, the upper end of one side, close to the rotating car body 3, of the fixed guide rail frame 18 is provided with two pulleys I14, the two pulleys I14 are respectively arranged on two sides of the fixed guide rail frame 18, the middle positions of two sides of the upper end of the fixed guide rail frame 18 are respectively provided with a pulley II 21, the middle positions of two sides of the lower end of the movable frame 17 are provided with a pulley III 22, a steel wire rope on the winch I7 bypasses the pulleys I14, the pulleys II 21 and the pulleys III 22, the winch, hoist I7 can drive the movable frame 17 and rise, two I7 simultaneous workings of hoist are convenient for improve the stability when movable frame 17 rises and descends, still install leveling mechanism on rotatory automobile body 3 and the fixed rail frame 18, leveling mechanism is including installing two hydraulic leg 2 at rotatory automobile body 3 rear end, leveling mechanism is still including setting up two hydraulic leg 2 of keeping away from rotatory automobile body 3 one side on the fixed rail frame 18, the balance of rotatory automobile body 3 can be guaranteed to four hydraulic leg 2.
The top of stand 8 and the opposite direction of hanging roof beam 11 install hoist II 9, hoist II 9 is driven by a high-speed motor and a low-speed motor, install electric putter 10 on hanging the roof beam 11, electric putter 10 installs along the length direction of hanging the roof beam 11, it adopts the I-shaped steel roof beam to hang the roof beam 11, electric putter 10 installs the inslot at the I-shaped steel roof beam, the direction of stand 8 is kept away from to electric putter 10's front end orientation, decurrent automatic grab 12 is installed to electric putter 10's front end, wire rope on the hoist II 9 is connected with automatic grab 12, hoist II 9 can control automatic grab 12 and rise or descend.
When the device is used, the machine is moved to a position where the drill rod 19 is aligned to excavation, the hydraulic support legs 2 are adjusted to balance the rotating body 3 and the fixed guide rail frame 18, then the hydraulic motor 15 is started, the hydraulic motor 15 drives an outgoing turntable bearing to rotate, namely, a mounting seat of the drill rod 19 is driven to rotate, the drill rod 19 rotates along with the hydraulic support legs, when the drill rod is rotated normally, the drill starts to be drilled, the brake of a winch is released when the drill is drilled, the movable frame 17 slowly falls under the action of gravity, then the drill rod 19 contacts the ground to start to be drilled in a rotary mode, soil lifting and slag discharging are carried out when the drill rod 19 is drilled about half a meter deep, the electric push rod 10 is started firstly, the electric push rod 10 drives the automatic grab bucket 12 to be aligned to the central position of the external-tooth turntable bearing 16, the high-speed motor of the winch II 9 is started to put down the automatic grab bucket 12, the opened automatic grab bucket 12 quickly falls to the bottom of, the high-speed motor of hoist engine II 9 is closed this moment, the low-speed motor that starts hoist engine II 9 promotes automatic grab 12, before promoting, the opening of automatic grab 12 can compress tightly earlier, prevent that the soil of snatching from dropping, it does not influence the normal drilling of rig in-process to get soil like this, it is higher to compare telescopic rod rig efficiency, when continuing to drilling rod 19, will be close two drilling rods 19 of stake well head earlier, it is fixed to need first to remove fixture block 23 before separately with the upper end of the drilling rod 19 that is located in the stake well, prevent that the drilling rod 19 that is located in the stake well descends and inclines, then start hoist engine I7 and promote movable frame 17, then pack into new drilling rod 19, new drilling rod 19 couples with the drilling rod 19 that is located in the stake well earlier, then couples with drilling rod 19 mount pad.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (9)
1. The utility model provides a hollow drill rod excavator, includes crawler-type chassis, be provided with rotatory automobile body on the chassis, be provided with operation panel, hydraulic power unit on the rotatory automobile body, its characterized in that: the rotary car body is characterized in that a stand column is arranged at a position close to the front end of the rotary car body, a suspension beam extending out of the rotary car body is arranged at the top end of the stand column, a downward supporting rod is hinged to the free end of the suspension beam, a square fixed guide rail frame is arranged at the front end of the rotary car body, the lower portion of the fixed guide rail frame is connected with the rotary car body, the middle portion of the fixed guide rail frame is fixed on the stand column, a square movable frame is arranged in the fixed guide rail frame and can slide up and down in the fixed guide rail frame, an external tooth turntable bearing is arranged at the upper portion in the movable frame, a hydraulic motor is arranged at a position, opposite to the external tooth turntable bearing, outside the movable frame, a gear disc matched with the external tooth turntable bearing is sleeved on an output shaft of the hydraulic motor, the outer tooth turntable bearing is provided with a downward tapered drill rod mounting seat, the lower end of the drill rod mounting seat is provided with a continuous drill rod, and the rotary vehicle body is further provided with a lifting device for lifting the movable frame.
2. A hollow drill rod excavator according to claim 1 wherein: the lifting device comprises a winch I arranged on a rotary vehicle body and located between a stand column and a fixed guide rail frame, wherein the fixed guide rail frame is provided with a pulley I close to the upper end of one side of the rotary vehicle body, the pulleys I are two, the two pulleys I are arranged on two sides of the fixed guide rail frame respectively, a pulley II is arranged at the middle position of two sides of the upper end of the fixed guide rail frame, a pulley III is arranged at the middle position of two sides of the lower end of the movable frame, a steel wire rope on the winch I bypasses the pulley I, the pulley II and the pulley III, and the winch I can drive the movable frame to ascend.
3. A hollow drill rod excavator according to claim 1 wherein: the upright post is provided with at least two sections, and two adjacent upright posts are connected through a flange.
4. A hollow drill rod excavator according to claim 1 wherein: the top of stand and the opposite direction of hanging oneself from a beam are provided with hoist engine II, be provided with electric putter on the hanging oneself from a beam, electric putter installs along the length direction of hanging oneself from a beam, electric putter's front end orientation is kept away from the direction of stand, electric putter's front end is provided with decurrent automatic grab bucket, wire rope on the hoist engine II is connected with the automatic grab bucket, hoist engine II can control the automatic grab bucket and rise or descend.
5. A hollow drill rod excavator according to claim 4 wherein: the suspension beam is an I-shaped steel beam, and the electric push rod is arranged in a groove of the I-shaped steel beam.
6. A hollow drill rod excavator according to claim 1 wherein: still be provided with leveling mechanism on rotatory automobile body and the fixed guide rail frame, leveling mechanism is including setting up two hydraulic leg in rotatory automobile body rear end, leveling mechanism is still including setting up two hydraulic leg of keeping away from rotatory automobile body one side on the fixed guide rail frame, and the balance of rotatory automobile body can be guaranteed to four hydraulic leg.
7. A hollow drill rod excavator according to claim 1 wherein: the lower end of the supporting rod is provided with a manual lifting base.
8. A hollow drill rod excavator according to claim 1 wherein: and a clamping block for preventing the drill rod from deviating is arranged at the lower end of the fixed guide rail frame.
9. A hollow drill rod excavator according to claim 1 wherein: the inner diameter value of the drill rod is larger than 700 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921298646.7U CN210529685U (en) | 2019-08-12 | 2019-08-12 | Hollow drill rod excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921298646.7U CN210529685U (en) | 2019-08-12 | 2019-08-12 | Hollow drill rod excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210529685U true CN210529685U (en) | 2020-05-15 |
Family
ID=70601226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921298646.7U Expired - Fee Related CN210529685U (en) | 2019-08-12 | 2019-08-12 | Hollow drill rod excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210529685U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110331717A (en) * | 2019-08-12 | 2019-10-15 | 三门峡丽源环保工程设备有限公司 | A kind of hollow drill backactor |
-
2019
- 2019-08-12 CN CN201921298646.7U patent/CN210529685U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110331717A (en) * | 2019-08-12 | 2019-10-15 | 三门峡丽源环保工程设备有限公司 | A kind of hollow drill backactor |
| CN110331717B (en) * | 2019-08-12 | 2024-03-08 | 三门峡丽源环保工程设备有限公司 | Hollow drill rod excavating machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200515 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |