CN108625373B - Foundation pit anchor cable cutting machine - Google Patents

Foundation pit anchor cable cutting machine Download PDF

Info

Publication number
CN108625373B
CN108625373B CN201810540371.7A CN201810540371A CN108625373B CN 108625373 B CN108625373 B CN 108625373B CN 201810540371 A CN201810540371 A CN 201810540371A CN 108625373 B CN108625373 B CN 108625373B
Authority
CN
China
Prior art keywords
hydraulic oil
translation
anchor cable
chassis
pin
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201810540371.7A
Other languages
Chinese (zh)
Other versions
CN108625373A (en
Inventor
哈建波
刘兴波
陈淼林
吴相斌
王红印
刘伟
张磊
李科军
孙鑫
杨艳玲
王坤
范东升
杨青玉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Railway Tunnel Group Erchu Co Ltd
Original Assignee
China Railway Tunnel Group Erchu Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Railway Tunnel Group Erchu Co Ltd filed Critical China Railway Tunnel Group Erchu Co Ltd
Priority to CN201810540371.7A priority Critical patent/CN108625373B/en
Publication of CN108625373A publication Critical patent/CN108625373A/en
Application granted granted Critical
Publication of CN108625373B publication Critical patent/CN108625373B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D9/00Removing sheet piles bulkheads, piles, mould-pipes or other moulds or parts thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Working Measures On Existing Buildindgs (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)

Abstract

The utility model belongs to the technical field of foundation pit anchor cable construction, and particularly relates to a foundation pit anchor cable cutting machine, which comprises: the hydraulic oil pump comprises walking wheels, a chassis, supporting legs, a hydraulic oil tank, a hydraulic oil pump, a telescopic arm, a translation member, a turnover member and a clamping and cutting member; the clamping and cutting member is arranged at one end of the telescopic arm, the telescopic arm is arranged on the chassis through the overturning member and the translation member respectively, the bottom of the chassis is provided with travelling wheels, the upper part of the chassis is provided with a hydraulic oil tank and a hydraulic oil pump, and the two sides of the chassis are provided with supporting legs. The utility model adopts the unique translation component and the turnover component to directly send the clamping and cutting component to the working surface from the ground for construction, thereby avoiding the integral movement of equipment, and having higher efficiency, stability and safety under the deep foundation pit working environment.

Description

Foundation pit anchor cable cutting machine
Technical Field
The utility model belongs to the technical field of foundation pit anchor rope construction, and particularly relates to a foundation pit anchor rope cutting machine.
Background
With the increasing speed of the urban process, tens of thousands of steel materials are buried underground through foundation pit supporting anchor cables every year. The anchor cable buried underground not only causes resource waste, but also has adverse effect on the adjacent newly-built foundation pit.
In the existing pile anchor support, a downward clamping device is mostly adopted to clamp an anchor rope, and then a diamond rope saw is used for cutting the anchor rope. The equipment is time-consuming and labor-consuming in the process of locating, and the working efficiency is low, so that a simple, light, time-saving and labor-saving anchor cable cutting machine is needed to solve the problem.
The Chinese patent application number is: patent CN201520294156.5 discloses an automatic cutter for anchor cable: the automatic cutting machine comprises a control host, a tractor, a cutting machine and a feeding machine, wherein the control host is connected with a hydraulic motor of the tractor through a hydraulic oil pipe, the control host is connected with the cutting machine through the hydraulic oil pipe, the cutting machine is placed at one end of the tractor, the other end of the cutting machine is a feeding hole, two groups of directional wheels are arranged in front of the feeding hole, a mouth-shaped frame is arranged at the front section of each directional wheel, and the feeding machine is placed at one end of the tractor and close to one end of the cutting machine. Compared with the traditional manual cutting mode, the automatic cutting machine has the advantages that the safety of operators is improved, the accuracy of cutting the anchor cable is improved, meanwhile, labor is saved, labor intensity is reduced, efficiency is improved, maintenance is convenient, and cost is reduced, but the automatic cutting machine for the anchor cable is only suitable for a general working environment, and for the anchor cable buried underground, the automatic cutting machine for the anchor cable is difficult to complete cutting tasks.
For another example, chinese patent application No.: the utility model patent of CN201721327081.1 discloses an automatic cutting and discharging device for an anchor rope, which is more convenient for equipment installation and transportation by installing an anchor rope disc, a guide pipe, a wire feeding device, a cutting machine and a travel switch on the same workbench, realizes equipment modularization and is more suitable for mines; the gear is used for feeding wires, and the thickness of gear teeth of the gear is small, so that the gear teeth can partially extend to the ravines on the surface of the anchor cable, the pushing force is better, and the slipping phenomenon is effectively avoided; the vertical cylinder drives the pressing plate to fix the cutting point, so that the cutting efficiency and the cutting effect are ensured; the horizontal cylinder drives the push plate to push the cut anchor cable out of the workbench, so that the cutting efficiency is greatly improved, the labor intensity of workers is reduced, and the labor cost is reduced. However, as such, the utility model is difficult to accomplish in cutting an underground cable.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide a foundation pit anchor cable cutting machine which can directly cut an anchor cable buried underground through a telescopic arm structure.
The technical scheme for solving the problems is as follows:
the foundation ditch anchor rope cutting machine includes: the hydraulic oil pump comprises walking wheels, a chassis, supporting legs, a hydraulic oil tank, a hydraulic oil pump, a telescopic arm, a translation member, a turnover member and a clamping and cutting member; the travelling wheels are arranged at the bottom of the chassis, the left end and the right end of the chassis are respectively provided with 2 supporting legs, the upper part of the chassis is provided with a hydraulic oil tank and a hydraulic oil pump, and the right side is provided with a translation component; the overturning component is arranged on the translation component and is connected with the telescopic arm, and the right end of the telescopic arm is provided with the clamping and cutting component; wherein, be equipped with bellied translation slide on the chassis, translation component includes: the sliding core is arranged on the translation sliding seat, the sliding block is arranged at two ends of the sliding plate and is connected with the sliding core, the two ends of the translation oil cylinder are connected with the fixed end translation pin and the movable end translation pin, the fixed end translation pin is arranged on the chassis, and the movable end translation pin is arranged on the sliding plate; the flipping member includes: the movable end turning pin, the fixed end turning pin, the turning cylinder, the turning lug plate, the hinge lug plate and the hinge pin are respectively connected with the movable end turning pin and the fixed end turning pin at two ends of the turning cylinder, the movable end turning pin is fixed on the telescopic arm, the fixed end turning pin is fixed on the turning lug plate, the turning lug plate and the hinge lug plate are fixed on the sliding plate, and the hinge lug plate is connected with the supporting arm of the telescopic arm through the hinge pin; the translation oil cylinder and the overturning oil cylinder are respectively connected with a hydraulic oil tank and a hydraulic oil pump through oil pipes; the clamping and cutting member includes: the device comprises a connecting plate, a supporting frame, a feeding frame, a saw blade motor, a saw blade, an anchor rope clamping plate, a feeding oil cylinder and an anchor rope oil cylinder; one end of the supporting frame is fixed on the connecting plate, and the other end of the supporting frame is provided with an anchor cable clamping plate; one end of the feeding frame is movably connected with the connecting plate, and the other end of the feeding frame is provided with a saw blade motor and a saw blade; the two ends of the anchor cable cylinder are respectively connected with the anchor cable clamping plate and the connecting plate, and the two ends of the feed cylinder are respectively connected with the feed frame and the connecting plate; the feed oil cylinder and the anchor rope oil cylinder are respectively connected with a hydraulic oil pump through oil pipes.
Further, a telescopic oil cylinder is arranged in the telescopic arm and is connected with a hydraulic oil pump through an oil pipe.
Further, the supporting leg is connected with a hydraulic oil pump through an oil pipe.
Further, the telescopic arm, the translation component, the turnover component and the clamping and cutting component are respectively provided with two groups and are symmetrically arranged on the chassis.
Further, the hydraulic oil pump is connected with the hydraulic oil tank through an oil pipe.
Further, the outer side of the travelling wheel is provided with an anti-skid wear-resistant paint layer.
The beneficial effects of the utility model are as follows:
1. according to the utility model, the telescopic arm structure is arranged, so that the requirement of the longer-distance anchor cable cutting construction can be met.
2. According to the utility model, the support legs are arranged, so that higher stability can be obtained in the construction process.
3. According to the utility model, the turnover component is arranged, so that the construction requirement of deep foundation pit anchor cable cutting can be met.
Drawings
Fig. 1 is a front view of a foundation pit anchor cable cutter according to the present utility model;
FIG. 2 is an enlarged view of the cross-sectional structure A-A of FIG. 1;
fig. 3 is a schematic structural view of a clamping and cutting member of the foundation pit anchor cable cutter according to the present utility model;
fig. 4 is a top view of the foundation pit anchor cable cutter of the present utility model;
fig. 5 is a schematic structural diagram of the foundation pit anchor cable cutter according to the present utility model in a working state.
In the figure: 1-walking wheel, 2-chassis, 21-translation slide, 3-supporting leg, 4-hydraulic oil tank, 5-hydraulic oil pump, 6-telescopic arm, 61-supporting arm, 7-translation component, 71-slide core, 72-slider, 73-slide, 74-fixed end translation pin, 75-movable end translation pin, 76-translation cylinder, 8-turnover component, 81-movable end turnover pin, 82-fixed end turnover pin, 83-turnover cylinder, 84-turnover lug plate, 85-hinged lug plate, 86-hinged pin, 9-clamping and cutting component, 91-connecting plate, 92-supporting frame, 93-feeding frame, 94-saw blade, 95-anchor cable clamping plate, 96-feeding cylinder and 97-anchor cable cylinder.
Detailed Description
The utility model is further described below with reference to the drawings.
As shown in fig. 1, 2 and 3, the foundation pit anchor cable cutter comprises: the walking wheel 1, the chassis 2, the supporting leg 3, the hydraulic oil tank 4, the hydraulic oil pump 5, the telescopic arm 6, the translation member 7, the overturning member 8 and the clamping and cutting member 9; the travelling wheel 1 is arranged at the bottom of the chassis 2, the left end and the right end of the chassis 2 are respectively provided with 2 supporting legs 3, the left side of the upper part of the chassis 2 is provided with a hydraulic oil tank 4 and a hydraulic oil pump 5, and the right side is provided with a translation component 7; the overturning component 8 is arranged on the translation component 7 and is connected with the telescopic arm 6, and the right end of the telescopic arm 6 is provided with a clamping and cutting component 9;
as shown in fig. 1 and 2, the chassis 2 is provided with a raised translation slide 21, and the translation member 7 includes: the sliding core 71, the sliding block 72, the sliding plate 73, the fixed end translation pin 74, the movable end translation pin 75 and the translation oil cylinder 76, wherein the sliding core 71 is arranged on the translation sliding seat 21, the sliding block 72 is arranged at two ends of the sliding plate 73 and is connected with the sliding core 71, two ends of the translation oil cylinder 76 are connected with the fixed end translation pin 74 and the movable end translation pin 75, the fixed end translation pin 74 is arranged on the chassis 2, and the movable end translation pin 75 is arranged on the sliding plate 72; the translation cylinder 76 is connected with the hydraulic oil pump 5 through an oil pipe; the translational cylinder 76 and thus the slide plate 73 can be driven to move laterally by pumping oil from the hydraulic oil pump 5.
As shown in fig. 1 and 2, the inverting member 8 includes: the movable end turning pin 81, the fixed end turning pin 82, the turning cylinder 83, the turning lug plate 84, the hinge lug plate 85 and the hinge pin 86, wherein two ends of the turning cylinder 83 are respectively connected with the movable end turning pin 81 and the fixed end turning pin 82, the movable end turning pin 81 is fixed on the telescopic arm 6, the fixed end turning pin 82 is fixed on the turning lug plate 84, the turning lug plate 84 and the hinge lug plate 85 are fixed on the sliding plate 73, and the hinge lug plate 85 is connected with the supporting arm 61 of the telescopic arm 6 through the hinge pin 86; the overturning cylinder 83 is connected with the hydraulic oil pump 5 through an oil pipe; the tilting cylinder 83 can be driven to do telescopic motion through the pumping oil of the hydraulic oil pump 5, and the telescopic arm 6 is driven to tilt around the hinge pin 86.
As shown in fig. 3, the clamp-cutting member 9 includes: the connecting plate 91, the supporting frame 92, the feeding frame 93, a saw blade motor (not shown in the figure), a saw blade 94, an anchor cable clamping plate 95, a feeding oil cylinder 96 and an anchor cable oil cylinder 97; one end of the supporting frame 92 is fixed on the connecting plate 91, and the other end is provided with an anchor cable clamping plate 95; one end of the feeding frame 93 is movably connected with the connecting plate 91, and the other end is provided with a saw blade motor and a saw blade 94; the two ends of the anchor cable cylinder 97 are respectively connected with the anchor cable clamping plate 95 and the connecting plate 91, and the two ends of the feed cylinder 96 are respectively connected with the feed frame 93 and the connecting plate 91; the feed cylinder 96 and the anchor cable cylinder 97 are respectively connected with the hydraulic oil pump 5 through oil pipes; the anchor cable cylinder 97 drives the anchor cable clamping plate 95 to clamp the anchor cable, and the feed cylinder 96 drives the feed frame 93 and drives the saw blade to cut.
Further, a telescopic oil cylinder (not shown in the figure) is arranged in the telescopic arm 6, and is connected with a hydraulic oil pump 5 through an oil pipe, and the hydraulic oil pump 5 controls the telescopic arm 6 to stretch and retract.
Further, the support leg 3 is connected to the hydraulic oil pump 5 through an oil pipe, and the lifting and falling of the support leg 3 are controlled through the hydraulic oil pump 5.
Further, the hydraulic oil pump 5 is connected to the hydraulic oil tank 4 through an oil pipe.
As shown in fig. 4, further, two groups of telescopic arms 6, translation members 7, turnover members 8 and clamping and cutting members 9 are respectively arranged and symmetrically mounted on the chassis 2.
Further, an anti-slip wear-resistant paint layer (not shown in the figure) is arranged on the outer side of the travelling wheel 1.
The working mode of the utility model is as follows:
as shown in fig. 5, the foundation pit anchor cable cutter walks in place through the rotation of the travelling wheel 1 at the bottom of the chassis 2, supports the supporting leg 3 on the chassis 2 to the ground, ensures firm equipment support and ensures the whole stability of the equipment; then the two telescopic arms 6 are turned to a vertical state through the work of the turning cylinder 83, after the two telescopic arms 6 extend out to a proper position through the driving of the telescopic cylinders (reach the lower area near the anchor cable to be cut), the telescopic arms 6 are slowly moved forward and touch the anchor cable through the work of the translation cylinder 76, and the anchor cable cylinder 97 drives the anchor cable clamping plate 95 to clamp the anchor cable so as to prepare for cutting the anchor cable; after the anchor cable is slowly lifted for a distance by the retraction of the telescopic cylinders of the two telescopic arms 6, the clamping and cutting member 9 is clamped, and the saw blade motor drives the saw blade 94 to cut off the anchor cable. After the anchor cable is cut off, the two telescopic arms 6 retract, the two telescopic arms 6 are turned back to the horizontal position through the retraction of the turning oil cylinder 83, and the two telescopic arms 6 are returned to the initial position through the retraction of the translation oil cylinder 76, so that the next part of the equipment can conveniently cut the anchor cable to walk. The device returns to the original state and completes a working cycle.
It should be understood that the foregoing examples of the present utility model are provided merely for clearly illustrating the present utility model and are not intended to limit the embodiments of the present utility model, and that various other changes and modifications may be made therein by one skilled in the art without departing from the spirit and scope of the present utility model as defined by the appended claims.

Claims (4)

1. The utility model provides a foundation ditch anchor rope cutting machine which characterized in that includes: the hydraulic oil pump comprises walking wheels, a chassis, supporting legs, a hydraulic oil tank, a hydraulic oil pump, a telescopic arm, a translation member, a turnover member and a clamping and cutting member; the travelling wheels are arranged at the bottom of the chassis, the left end and the right end of the chassis are respectively provided with 2 supporting legs, the upper part of the chassis is provided with a hydraulic oil tank and a hydraulic oil pump, and the right side is provided with a translation component; the overturning component is arranged on the translation component and is connected with the telescopic arm, and the right end of the telescopic arm is provided with the clamping and cutting component; wherein, be equipped with bellied translation slide on the chassis, translation component includes: the sliding core is arranged on the translation sliding seat, the sliding block is arranged at two ends of the sliding plate and is connected with the sliding core, the two ends of the translation oil cylinder are connected with the fixed end translation pin and the movable end translation pin, the fixed end translation pin is arranged on the chassis, and the movable end translation pin is arranged on the sliding plate; the flipping member includes: the movable end turning pin, the fixed end turning pin, the turning cylinder, the turning lug plate, the hinge lug plate and the hinge pin are respectively connected with the movable end turning pin and the fixed end turning pin at two ends of the turning cylinder, the movable end turning pin is fixed on the telescopic arm, the fixed end turning pin is fixed on the turning lug plate, the turning lug plate and the hinge lug plate are fixed on the sliding plate, and the hinge lug plate is connected with the supporting arm of the telescopic arm through the hinge pin; the translation oil cylinder and the overturning oil cylinder are respectively connected with a hydraulic oil tank and a hydraulic oil pump through oil pipes, and the translation oil cylinder can be driven to drive the sliding plate to transversely move through oil pumping of the hydraulic oil pump; the clamping and cutting member includes: the device comprises a connecting plate, a supporting frame, a feeding frame, a saw blade motor, a saw blade, an anchor rope clamping plate, a feeding oil cylinder and an anchor rope oil cylinder; one end of the supporting frame is fixed on the connecting plate, and the other end of the supporting frame is provided with an anchor cable clamping plate; one end of the feeding frame is movably connected with the connecting plate, and the other end of the feeding frame is provided with a saw blade motor and a saw blade; the two ends of the anchor cable cylinder are respectively connected with the anchor cable clamping plate and the connecting plate, and the two ends of the feed cylinder are respectively connected with the feed frame and the connecting plate; the feeding oil cylinder and the anchor cable oil cylinder are respectively connected with a hydraulic oil pump through oil pipes, and the overturning oil cylinder can be driven to do telescopic motion through the oil pump of the hydraulic oil pump to drive the telescopic arm to overturn around the hinge pin;
a telescopic oil cylinder is arranged in the telescopic arm and is connected with a hydraulic oil pump through an oil pipe; the supporting legs are connected with a hydraulic oil pump through oil pipes.
2. The foundation pit anchor cable cutter of claim 1, wherein the telescopic arm, the translation member, the turnover member and the clamping and cutting member are respectively arranged in two groups and symmetrically arranged on the chassis.
3. The foundation pit anchor cable cutter of claim 1, wherein the hydraulic oil pump is connected to the hydraulic oil tank via an oil pipe.
4. The foundation pit anchor cable cutter of claim 1, wherein the outer side of the travelling wheel is provided with an anti-slip wear-resistant paint layer.
CN201810540371.7A 2018-05-30 2018-05-30 Foundation pit anchor cable cutting machine Active CN108625373B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810540371.7A CN108625373B (en) 2018-05-30 2018-05-30 Foundation pit anchor cable cutting machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810540371.7A CN108625373B (en) 2018-05-30 2018-05-30 Foundation pit anchor cable cutting machine

Publications (2)

Publication Number Publication Date
CN108625373A CN108625373A (en) 2018-10-09
CN108625373B true CN108625373B (en) 2024-03-26

Family

ID=63690645

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810540371.7A Active CN108625373B (en) 2018-05-30 2018-05-30 Foundation pit anchor cable cutting machine

Country Status (1)

Country Link
CN (1) CN108625373B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116277516A (en) * 2023-03-06 2023-06-23 深圳市华晟建设集团股份有限公司 Construction method for mechanical cutting and excavating of stone of urban deep foundation pit

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05155377A (en) * 1991-12-05 1993-06-22 Shigeru Manabe Releasing device for hooked anchor
JP2002322892A (en) * 2001-04-26 2002-11-08 Toshiba Tungaloy Co Ltd Excavating bit and casing cutter
CN204735779U (en) * 2015-06-26 2015-11-04 邹城市创拓矿山设备有限公司 Mechanism is sheared to anchor rope
CN106049495A (en) * 2016-06-08 2016-10-26 山东大学 Special device used for underground engineering anchor cable cutting and construction method of special device
CN206351382U (en) * 2017-01-03 2017-07-25 永城煤电集团正宇实业有限公司 A kind of anchor cable cuts turning device
CN208415253U (en) * 2018-05-30 2019-01-22 中铁隧道集团二处有限公司 A kind of foundation pit anchor cable cutter

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05155377A (en) * 1991-12-05 1993-06-22 Shigeru Manabe Releasing device for hooked anchor
JP2002322892A (en) * 2001-04-26 2002-11-08 Toshiba Tungaloy Co Ltd Excavating bit and casing cutter
CN204735779U (en) * 2015-06-26 2015-11-04 邹城市创拓矿山设备有限公司 Mechanism is sheared to anchor rope
CN106049495A (en) * 2016-06-08 2016-10-26 山东大学 Special device used for underground engineering anchor cable cutting and construction method of special device
CN206351382U (en) * 2017-01-03 2017-07-25 永城煤电集团正宇实业有限公司 A kind of anchor cable cuts turning device
CN208415253U (en) * 2018-05-30 2019-01-22 中铁隧道集团二处有限公司 A kind of foundation pit anchor cable cutter

Also Published As

Publication number Publication date
CN108625373A (en) 2018-10-09

Similar Documents

Publication Publication Date Title
CN108838304B (en) Cutting construction method of anchor cable cutting machine
CN109236302B (en) Variable section excavation trolley in tunnel
CN102134043B (en) Crawler hydraulic support assembling machine
CN211500694U (en) Coal mine tunnel supporting equipment
CN116335131B (en) Piling and excavating equipment for land measurement and positioning
CN107190797A (en) A kind of civil construction Multifunctional soil shifter
CN111438811A (en) Concrete prefabricated section upset shedder
CN208415253U (en) A kind of foundation pit anchor cable cutter
CN108625373B (en) Foundation pit anchor cable cutting machine
CN107059511B (en) Paving device capable of automatically moving steel rail
CN102926658B (en) Wheel drilling machine
CN215595619U (en) Anchor rod transfer unit for seven-arm coal mine
CN103662704A (en) Rail-spanning transportation assembly wagon
CN206144559U (en) Portable mining lifting support that fixes
CN107399693A (en) A kind of ceramic tile conveying lifting device
CN204282207U (en) The anti-sway Lifting basket device of a kind of column type wind resistance for bridge inspection vehicle
CN206570810U (en) A kind of roof pressing type pile compacting equipment
CN201896617U (en) Coal charging machinery used on blasting driving face of coal mine
CN110284835B (en) Movable engineering driller
CN102061713B (en) Coal charging machine for blasting driving face of coal mine
CN210477414U (en) Mine curbstone cutting machine
CN210264513U (en) Movable engineering drilling machine
CN207160009U (en) One kind has tracked chassis refit formula hydraulic pile driver
CN110748360A (en) Self-laying device for construction groove cover plate in tunnel
CN207608268U (en) A kind of horizontal directional drilling machine assembled hoistable platform for the construction of tunnel vertical duct curtain

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant