CN211368678U - Bottom shifting mechanism of cast-in-place pile machine - Google Patents
Bottom shifting mechanism of cast-in-place pile machine Download PDFInfo
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- CN211368678U CN211368678U CN201922060670.3U CN201922060670U CN211368678U CN 211368678 U CN211368678 U CN 211368678U CN 201922060670 U CN201922060670 U CN 201922060670U CN 211368678 U CN211368678 U CN 211368678U
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Abstract
The utility model discloses a bottom shifting mechanism of bored concrete pile machine relates to the technical field of building engineering stake machine equipment, it includes the stake machine chassis of rectangular frame form, slewing bearing and walking platform truck, hydraulic leg is installed to the four corners department on stake machine chassis, the lower terminal surface of walking platform truck is provided with two support rails along its length direction, the terminal surface is provided with a plurality of gyro wheels that slide under the walking platform truck and set up in supporting the rail up end, a plurality of gyro wheel of homonymy goes up and down to set up at walking platform truck lower extreme, the four corners department of walking platform truck up end all is provided with level detection device. The utility model discloses a level detection device detects the four corners levelness of walking platform truck and carries out real-time adjustment to in the further increase of potential safety hazard, realized that shift mechanism is to the stable support of stake machine on uneven ground.
Description
Technical Field
The utility model belongs to the technical field of the technique of building engineering stake machine equipment and specifically relates to a bottom shifting mechanism of bored concrete pile machine is related to.
Background
The bored pile is a pile formed by mechanically drilling, extruding steel pipes or excavating manually on the engineering site, and placing a reinforcement cage and pouring concrete in the pile hole, and the work is usually completed by a pile driver, so that the pile driver can move to the pile position on the construction site.
In order to solve the problems, the chinese patent with patent publication No. CN204456079U proposes a bottom shifting mechanism of a cast-in-place pile machine, which comprises a pile machine chassis, wherein the pile machine chassis is of a square frame structure, outward extending support beams are respectively arranged at positions close to four corners on the pile machine chassis, and a hydraulic support leg is vertically installed on each support beam; comprises a walking pipe frame consisting of two round tubular longitudinal guide rails which are arranged in parallel and a transverse connecting pipe/plate which is connected with one end of the two longitudinal guide rails; the walking trolley is supported on two longitudinal guide rails of the walking pipe frame in a sliding manner, and a walking driving oil cylinder is connected between the walking trolley and a transverse connecting pipe/plate of the walking pipe frame; the pile driver comprises a slewing bearing which is arranged between the upper end of a walking trolley and the lower end of a pile driver chassis to realize the rotary connection of the walking trolley and the pile driver chassis, and a slewing oil cylinder is also connected between the walking trolley and the pile driver chassis. The utility model discloses a through two hydro-cylinders, realize antedisplacement motion and rotary motion to the automatic aversion of convenient realization stake machine does not need the supplementary aversion of manpower, has labour saving and time saving's advantage.
The above prior art solutions have the following drawbacks: when the shifting mechanism works on unstable foundations or uneven pavements, the shifting mechanism can be wholly inclined to a certain extent after bearing, and particularly when the pile machine works, the pile machine bears a counter weight and drives the shifting mechanism to shake, so that the sinking degree of the unstable side of the shifting mechanism is further aggravated, and great potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can be at the bottom shift mechanism of bored concrete pile machine of uneven ground stable support.
The utility model aims at realizing through the following technical scheme:
the utility model provides a bottom aversion mechanism of bored concrete pile machine, includes stake machine chassis, slewing bearing and the walking platform truck of rectangular frame form, hydraulic leg is installed to the four corners department on stake machine chassis, the lower terminal surface of walking platform truck is provided with two support rails along its length direction, the terminal surface is provided with a plurality of under the walking platform truck slide set up in support the gyro wheel of rail up end, a plurality of homonymy the gyro wheel goes up and down to set up the walking platform truck lower extreme, the four corners department of walking platform truck up end all is provided with level detection device.
By adopting the technical scheme, when the shifting mechanism works, the four hydraulic support legs are simultaneously started and jack up the chassis of the pile machine, the support rail is suspended, the support rail and the walking trolley are driven to slide relatively to enable the walking trolley to slide to one end of the support rail through the rollers, then the hydraulic support legs are started to enable the chassis of the pile machine to descend until the support rail is abutted against the ground, the walking trolley is driven to advance to the other end of the support rail through the rollers, so that the displacement of the chassis of the pile machine in the horizontal direction can be realized, when the advancing track of the chassis of the pile machine needs to be changed, the walking trolley is driven to rotate on the slewing bearing after the support rail is suspended, and then the steps are repeated, so that the chassis of the pile machine can move in multiple directions in the horizontal direction, and the pile machine; pile machine chassis is carrying out the in-process that supports to the stake machine, level detection device carries out real-time detection to the levelness of walking platform truck, when a certain angle levelness of walking platform truck takes place unusually, can in time adjust the difference in height on order to compensate walking platform truck four corners and ground between this side gyro wheel and the walking platform truck, thereby guarantee the levelness and the stability on pile machine chassis, with the unstable phenomenon of heavy object further aggravation pile machine chassis on the pile machine chassis, the potential safety hazard in the work progress has been reduced as far as possible, realized shifting mechanism and supported the stable of stake machine on uneven ground.
Further setting the following steps: the walking trolley is characterized in that supporting hydraulic cylinders are fixedly connected to four corners of the lower end face of the walking trolley in a vertical mode, the idler wheels are rotatably connected to piston rods of the supporting hydraulic cylinders, the horizontal detection device is a tilt angle sensor, and a plurality of acousto-optic alarms are arranged on the walking trolley and are respectively in control connection with the tilt angle sensors.
By adopting the technical scheme, when the inclination angle sensor detects that the walking trolley inclines, the corresponding audible and visual alarm is controlled to be started to warn field construction personnel, so that danger warning is made, the field construction personnel can conveniently and timely make adjustment, and the walking trolley is leveled by starting the corresponding lifting of the piston rod on the supporting hydraulic cylinder, so that the walking trolley is timely leveled, and the potential safety hazard is prevented from being further increased.
Further setting the following steps: support rail up end rigid coupling has along its length direction's channel steel seat, the free end rigid coupling of the pterygoid lamina of channel steel seat has a baffle that is on a parallel with the web of channel steel seat, two it has the passageway that is used for to reserve between the baffle the piston rod of support pneumatic cylinder passes through, the gyro wheel slides and sets up the web of channel steel seat with between the baffle.
By adopting the technical scheme, when the supporting rail is suspended, the supporting rail is hung below the walking trolley through the limiting effect of the baffle plate on the roller, and after the supporting rail is abutted against the ground, the roller rolls in the steel channel seat under the limiting effect of the web plate of the steel channel seat and the baffle plate, so that the walking trolley can move on the supporting rail smoothly and labor-saving.
Further setting the following steps: and at least one roller is arranged on a piston rod of the supporting hydraulic cylinder.
By adopting the technical scheme, the support hydraulic cylinder is at least provided with one roller, so that the sliding of the walking trolley on the steel groove seat after bearing is more stable, and the support hydraulic cylinder has stronger bearing performance on the walking trolley.
Further setting the following steps: the supporting rail comprises a section steel seat with a cross section in an isosceles trapezoid shape, the channel steel seat is fixedly connected to the upper bottom of the section steel seat, and a plurality of latticed rib plates are fixedly connected into the section steel seat.
Through adopting above-mentioned technical scheme, the transversal isosceles trapezoid that personally submits of support rail has increased the area of contact of support rail with ground, has improved the bearing capacity of support rail, and the effective bearing capacity of support rail has both been guaranteed to the setting up of a plurality of floor simultaneously, has carried out the lightweight design to support the rail again simultaneously, has alleviateed the dead weight of aversion mechanism.
Further setting the following steps: the lower bottom of the section steel base is coated with a protective layer, and the lower end face of the protective layer is provided with an anti-skid bulge.
Through adopting above-mentioned technical scheme, the inoxidizing coating can prevent effectively that the stone on the building site from causing wearing and tearing to shaped steel seat and floor to prolonged the life of supporting the rail, the raised antiskid setting has increased the area of contact who supports rail and ground, thereby when walking the platform truck and passing through the gyro wheel and removing on supporting the rail, support the rail and can not take place to slide subaerial.
Further setting the following steps: and one end of the walking trolley along the length direction of the supporting rail is hinged with two shifting hydraulic cylinders, piston rods of the shifting hydraulic cylinders are hinged with the end part of the supporting rail, and the number of the shifting hydraulic cylinders is two.
By adopting the technical scheme, when the support rail is abutted against the ground, the shifting hydraulic cylinder is started, the shifting hydraulic cylinder drives the piston rod of the shifting hydraulic cylinder to push the walking trolley to be away from the hinged part of the shifting hydraulic cylinder and the support rail, so that the walking trolley moves on the support rail along the length direction of the support rail through the roller; and then the walking trolley is lifted along with the chassis of the pile machine, the supporting rail is suspended, the shifting hydraulic cylinder drives the supporting rail to slide relative to the walking trolley, the supporting rail and the walking trolley are close to the hinged end of the shifting hydraulic cylinder, and the walking trolley can move relative to the ground by repeating the steps, so that the shifting action of the shifting mechanism on the pile machine is realized.
Further setting the following steps: slewing bearing's periphery wall rigid coupling has the ring gear, the lower terminal surface sliding connection on stake machine chassis have with the rack that the ring gear meshing is connected, be provided with on the stake machine chassis and be used for the drive the rack is followed the rotary hydraulic cylinder that the tangential direction of ring gear was marchd.
By adopting the technical scheme, when the chassis of the pile machine needs to turn during the running process under the matching of the running trolley and the supporting rail, after the supporting rail is suspended, the rotary hydraulic cylinder is started, the piston rod of the rotary hydraulic cylinder drives the rack to move, the gear ring meshed and connected with the piston rod is driven to rotate, the gear ring drives the running trolley to rotate on the chassis of the pile machine when rotating, and after the supporting rail is abutted with the ground again, the running trolley runs on the supporting rail, so that the steering motion of the chassis of the pile machine can be realized.
To sum up, the utility model discloses a beneficial technological effect does:
1. the levelness of the walking trolley is monitored in real time through the level detection device in the walking process of the pile machine chassis, when the levelness of a certain angle of the walking trolley is abnormal, the distance between the side roller and the walking trolley can be adjusted in time to compensate the height difference between the four corners of the walking trolley and the ground, so that the levelness and the stability of the pile machine chassis are ensured, the phenomenon that a heavy object on the pile machine chassis further aggravates the instability of the pile machine chassis is avoided, the potential safety hazard in the construction process is reduced as much as possible, and the stable support of a shifting mechanism on the pile machine on the uneven ground is realized;
2. the inclination angle sensor is in control connection with the audible and visual alarm, so that field construction personnel can find abnormality of the walking trolley in time, hidden dangers can be eliminated in time, and safety accidents are avoided.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is an enlarged partial schematic view of portion B of FIG. 2;
fig. 4 is a partially enlarged schematic view of a portion C in fig. 2.
Reference numerals: 1. a pile machine chassis; 2. a slewing bearing; 3. a traveling carriage; 4. a hydraulic leg; 5. a support rail; 6. a roller; 7. a support hydraulic cylinder; 8. a tilt sensor; 9. an audible and visual alarm; 10. a channel steel seat; 11. a baffle plate; 12. a steel profile base; 13. a rib plate; 14. a protective layer; 15. anti-skid projections; 16. a displacement hydraulic cylinder; 17. a ring gear; 18. a rack; 19. a rotary hydraulic cylinder; 20. a guide plate; 21. a guide groove.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the bottom shifting mechanism of the pouring pile machine disclosed by the utility model comprises a rectangular frame-shaped pile machine chassis 1, slewing bearing 2 and walking platform truck 3, the equal vertical hydraulic leg 4 of installing in four corners department of stake machine chassis 1, the lower terminal surface of walking platform truck 3 is provided with two support rails 5 along 1 length direction on stake machine chassis, the equal vertical rigid coupling in four corners department of terminal surface has support pneumatic cylinder 7 under the walking platform truck 3, it is connected with at least one gyro wheel 6 to rotate on the piston rod of support pneumatic cylinder 7, a support pneumatic cylinder 7 corresponds two gyro wheels 6 in this embodiment (as shown in fig. 3), a plurality of gyro wheel 6 of homonymy slides and sets up at support rail 5 up end, level detection device is all installed in the four corners department of walking platform truck 3 up end, level detection device is inclination sensor 8, install four audible-visual annunciators 9 with four inclination sensor 8 difference control connection on the lateral wall in walking platform truck 3 four corners.
When the shifting mechanism works, the four hydraulic support legs 4 are simultaneously started and jack up the pile machine chassis 1, the support rail 5 is suspended, the support rail 5 and the walking trolley 3 are driven to slide relatively to enable the walking trolley 3 to slide to one end of the support rail 5 through the idler wheels 6, the hydraulic support legs 4 are started again to enable the pile machine chassis 1 to descend until the support rail 5 is abutted against the ground, the walking trolley 3 is driven to advance to the other end of the support rail 5 on the support rail 5 through the idler wheels 6, the displacement of the pile machine chassis 1 in the horizontal direction can be realized, when the advancing track of the pile machine chassis 1 needs to be changed, the walking trolley 3 is driven to rotate on the slewing bearing 2 only after the support rail 5 is suspended, the steps are repeated again to realize the multidirectional movement of the pile machine chassis 1 in the horizontal direction, and therefore the pile machine can be conveniently moved to a.
Pile machine chassis 1 is in the in-process of supporting the stake machine, inclination sensor 8 carries out real-time detection to walking platform truck 3's levelness, when certain angle levelness of walking platform truck 3 takes place unusually, the controlled start-up of audible-visual annunciator 9 that corresponds is put forward the warning to the site constructor, both made danger and warned, the site constructor of being convenient for in time makes the adjustment again, through the lift that starts corresponding support pneumatic cylinder 7 and go up the piston rod to carry out the leveling to walking platform truck 3, thereby realized walking platform truck 3's in time leveling, in order to avoid the potential safety hazard further to increase, thereby the security of construction has been guaranteed as far as possible, realized shifting mechanism at the stable support of uneven ground to the stake machine.
Referring to fig. 2 and 3, a channel steel seat 10 is fixedly connected to the upper end surface of the support rail 5 along the length direction of the support rail, baffles 11 parallel to a web plate on the channel steel seat 10 are fixedly connected to the free ends of upper wing plates of the channel steel seat 10, a channel for a piston rod of a support hydraulic cylinder 7 to pass through is reserved between the two baffles 11, and a roller 6 is slidably arranged between the web plate of the channel steel seat 10 and the baffles 11; the supporting rail 5 comprises a section steel base 12 with an isosceles trapezoid cross section, a channel steel base 10 is fixedly connected to the upper bottom of the section steel base 12, a plurality of latticed rib plates 13 are fixedly connected to the interior of the section steel base 12, a protective layer 14 covers the lower end face of the lower bottom of the section steel base 12, and anti-skid protrusions 15 perpendicular to the length direction of the supporting rail 5 are integrally and fixedly connected to the lower end face of the protective layer 14.
When the supporting rail 5 is suspended, the supporting rail 5 is hung below the walking trolley 3 through the limiting effect of the baffle plate 11 on the roller 6, after the supporting rail 5 is abutted to the ground, the roller 6 rolls in the groove steel seat 10 under the limiting effect of the web of the groove steel seat 10 and the baffle plate 11, so that the walking trolley 3 can move smoothly and labor-saving on the supporting rail 5, meanwhile, the supporting hydraulic cylinder 7 enables the walking trolley to slide more stably on the groove steel seat 10 after bearing through the two roller 6, and the bearing performance of the supporting hydraulic cylinder 7 on the walking trolley 3 is stronger.
The cross section of the support rail 5 is isosceles trapezoid, so that the contact area of the support rail 5 and the ground is increased, the bearing performance of the support rail 5 is improved, and meanwhile, due to the arrangement of the plurality of rib plates 13, the effective bearing performance of the support rail 5 is guaranteed, the support rail is designed in a light weight manner, and the dead weight of the shifting mechanism is reduced; the protective layer 14 can effectively prevent stones on a construction site from wearing the steel section 12 and the ribbed slab 13, so that the service life of the support rail 5 is prolonged, the contact area between the support rail 5 and the ground is increased due to the arrangement of the anti-skid protrusions 15, and the support rail 5 cannot slide on the ground when the walking trolley 3 moves on the support rail 5 through the rollers 6.
Referring to fig. 1 and 4, one end of the traveling trolley 3 along the length direction of the support rail 5 is hinged with two shifting hydraulic cylinders 16, piston rods of the shifting hydraulic cylinders 16 are hinged with the end of the support rail 5, and the number of the shifting hydraulic cylinders 16 is two; the inner ring of a slewing bearing 2 is fixedly connected with a pile machine chassis 1, the outer ring of the slewing bearing 2 is fixedly connected with a walking trolley 3, the outer peripheral wall of the slewing bearing 2 is coaxially and fixedly connected with a gear ring 17, a guide plate 20 along the length direction of the lower end face of the pile machine chassis 1 is fixedly connected with the lower end face of the pile machine chassis 1, one side, close to the slewing bearing 2, of the guide plate 20 is provided with a guide groove 21, a rack 18 meshed with the gear ring 17 is connected in the guide groove 21 in a sliding mode, a slewing hydraulic cylinder 19 used for driving the rack 18 to move along the tangential direction of the gear ring 17 is fixedly connected to.
When the support rail 5 is abutted to the ground, the shifting hydraulic cylinder 16 is started, the shifting hydraulic cylinder 16 drives a piston rod of the shifting hydraulic cylinder 16 to push the walking trolley 3 to be away from the hinging part of the shifting hydraulic cylinder 16 and the support rail 5, so that the walking trolley 3 moves on the support rail 5 along the length direction of the support rail 5 through the roller 6; then the walking trolley 3 is lifted along with the pile machine chassis 1, the rear supporting rail 5 is suspended, the shifting hydraulic cylinder 16 drives the supporting rail 5 to slide relative to the walking trolley 3, the supporting rail 5 and the walking trolley 3 are close to the hinged end of the shifting hydraulic cylinder 16, and the walking trolley 3 can move relative to the ground by repeating the steps, so that the shifting action of the shifting mechanism on the pile machine is realized; when the pile machine chassis 1 needs to turn during traveling under the matching of the traveling trolley 3 and the supporting rail 5, after the supporting rail 5 is suspended, the rotary hydraulic cylinder 19 is started, the rotary hydraulic cylinder 19 drives a piston rod of the rotary hydraulic cylinder to drive the rack 18 to move in the guide groove 21 and drive the gear ring 17 meshed with the rack to rotate, the gear ring 17 drives the traveling trolley 3 to rotate on the pile machine chassis 1 when rotating, and after the supporting rail 5 is abutted with the ground again, the traveling trolley 3 can realize the steering movement of the pile machine chassis 1 when traveling on the supporting rail 5.
The implementation principle and the beneficial effects of the embodiment are as follows:
when the shifting mechanism works, the four hydraulic support legs 4 are simultaneously started to jack up the pile machine chassis 1, the support rails 5 are suspended, the shifting hydraulic cylinder 16 drives the support rails 5 and the walking trolley 3 to slide relatively to enable the walking trolley 3 to slide to one end of the support rails 5 through the rollers 6, then the hydraulic support legs 4 are started to enable the pile machine chassis 1 to descend until the support rails 5 are abutted to the ground, the shifting hydraulic cylinder 16 drives the walking trolley 3 to advance to the other end of the support rails 5 on the support rails 5 through the rollers 6, the displacement of the pile machine chassis 1 in the horizontal direction can be realized, when the advancing track of the pile machine chassis 1 needs to be changed, the walking trolley 3 is driven to rotate on the pile machine chassis 1 through the meshing transmission of the rack 18 and the gear ring 17 after the supporting rail 5 is suspended, and then the steps are repeated, so that the multidirectional movement of the pile machine chassis 1 in the horizontal direction can be realized, and the pile machine can be conveniently moved to a cast-in-place pile part; stake machine chassis 1 is carrying out the in-process that supports to the stake machine, inclination sensor 8 carries out real-time detection to walking platform truck 3's levelness, when walking platform truck 3's a certain angle levelness takes place unusually, the accessible supports the pneumatic cylinder 7 and adjusts the difference in height of 3 four corners of platform truck and ground of walking in order to compensate the distance between this side gyro wheel 6 and the walking platform truck 3, thereby guarantee the levelness and the stability of stake machine chassis 1, in order to avoid the heavy object on the stake machine chassis 1 further aggravate the unstable phenomenon of stake machine chassis 1, the potential safety hazard in the work progress has been reduced as far as possible, realized shifting mechanism at the stable of not flat ground to the stake machine.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a bottom aversion mechanism of bored concrete pile machine, includes stake machine chassis (1), slewing bearing (2) and walking platform truck (3) of rectangle frame form, hydraulic leg (4), its characterized in that are installed to the four corners department of stake machine chassis (1): the lower terminal surface of walking platform truck (3) is provided with two support rails (5) along its length direction, the terminal surface is provided with a plurality of slide set up in support roller (6) of rail (5) up end under walking platform truck (3), a plurality of homonymy gyro wheel (6) go up and down to set up walking platform truck (3) lower extreme, the four corners department of walking platform truck (3) up end all is provided with level detection device.
2. The bottom shifting mechanism of a pile driver according to claim 1, wherein: the equal vertical rigid coupling in four corners department of terminal surface has support pneumatic cylinder (7) under walking platform truck (3), gyro wheel (6) rotate to be connected on the piston rod of support pneumatic cylinder (7), level detection device is inclination sensor (8), be provided with a plurality ofly and a plurality of on walking platform truck (3) inclination sensor (8) audible-visual annunciator (9) of control connection respectively.
3. The bottom shifting mechanism of a pile driver according to claim 2, wherein: support rail (5) up end rigid coupling has channel steel seat (10) along its length direction, the free end rigid coupling of the pterygoid lamina of channel steel seat (10) has and is on a parallel with baffle (11) of the web of channel steel seat (10), two it has the passageway that is used for to reserve between baffle (11 the piston rod of support pneumatic cylinder (7) passes through, gyro wheel (6) slide and set up the web of channel steel seat (10) with between baffle (11).
4. The bottom shifting mechanism of a pile driver according to claim 3, wherein: and at least one roller (6) is arranged on a piston rod of the supporting hydraulic cylinder (7).
5. The bottom shifting mechanism of a pile driver as claimed in claim 4, wherein: support rail (5) including transversal isosceles trapezoid's shaped steel seat (12) of personally submitting, channel steel seat (10) rigid coupling is in on the upper bottom of shaped steel seat (12), rigid coupling has a plurality of latticed floor (13) in shaped steel seat (12).
6. The bottom shifting mechanism of a pile driver as claimed in claim 5, wherein: the lower bottom of the section steel seat (12) is coated with a protective layer (14), and the lower end face of the protective layer (14) is provided with anti-skid protrusions (15).
7. The bottom shifting mechanism of a pile driver according to claim 1, wherein: one end of the walking trolley (3) in the length direction of the supporting rail (5) is hinged with a shifting hydraulic cylinder (16), a piston rod of the shifting hydraulic cylinder (16) is hinged with the end of the supporting rail (5), and the number of the shifting hydraulic cylinders (16) is two.
8. The bottom shifting mechanism of a pile driver according to claim 1, wherein: the periphery wall rigid coupling of slewing bearing (2) has ring gear (17), the lower terminal surface sliding connection of stake machine chassis (1) have with rack (18) that ring gear (17) meshing is connected, be provided with on stake machine chassis (1) and be used for the drive rack (18) are followed slewing cylinder (19) that the tangential direction of ring gear (17) was marchd.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922060670.3U CN211368678U (en) | 2019-11-22 | 2019-11-22 | Bottom shifting mechanism of cast-in-place pile machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922060670.3U CN211368678U (en) | 2019-11-22 | 2019-11-22 | Bottom shifting mechanism of cast-in-place pile machine |
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| CN211368678U true CN211368678U (en) | 2020-08-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113585255A (en) * | 2021-07-30 | 2021-11-02 | 武汉恒力华振科技有限公司 | Automatic walking engineering pile machine and automatic walking method |
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2019
- 2019-11-22 CN CN201922060670.3U patent/CN211368678U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113585255A (en) * | 2021-07-30 | 2021-11-02 | 武汉恒力华振科技有限公司 | Automatic walking engineering pile machine and automatic walking method |
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