CN112496394A - Drilling device for parts for machining bucket rod oil cylinder - Google Patents

Drilling device for parts for machining bucket rod oil cylinder Download PDF

Info

Publication number
CN112496394A
CN112496394A CN202011372066.5A CN202011372066A CN112496394A CN 112496394 A CN112496394 A CN 112496394A CN 202011372066 A CN202011372066 A CN 202011372066A CN 112496394 A CN112496394 A CN 112496394A
Authority
CN
China
Prior art keywords
plate
fixedly connected
sides
groove
oil cylinder
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.)
Pending
Application number
CN202011372066.5A
Other languages
Chinese (zh)
Inventor
李金杰
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.)
Shandong Atk Environmental Protection Technology Co ltd
Original Assignee
Shandong Atk Environmental Protection Technology 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 Shandong Atk Environmental Protection Technology Co ltd filed Critical Shandong Atk Environmental Protection Technology Co ltd
Priority to CN202011372066.5A priority Critical patent/CN112496394A/en
Publication of CN112496394A publication Critical patent/CN112496394A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B41/00Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B47/00Constructional features of components specially designed for boring or drilling machines; Accessories therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06Work-clamping means

Abstract

The invention discloses a part drilling device for machining a bucket rod oil cylinder, which relates to the technical field of bucket rod oil cylinder machining and comprises a base plate, wherein supporting legs are fixedly connected at four corners of the bottom of the base plate, supporting columns are fixedly connected at the four corners of the upper portion of the base plate, a top plate is fixedly connected with the tops of the supporting columns, fixing plates are fixedly connected at two sides of the top plate, a mounting seat is fixedly connected on the top plate between the fixing plates, a double-shaft motor is fixedly connected on the mounting seat, a driving wheel is fixedly connected at the end portion of an output shaft of the double-shaft motor, a driving rod is rotatably connected on the driving wheel, movable columns are slidably connected on the top plate at two sides of the driving wheel, linkage shafts are fixedly connected at two sides of the movable columns, a driving plate is arranged above the top plate at two sides of the movable columns, a piston column is fixedly connected at one, the device is reasonable in structural principle design, convenient to operate and use and high in practicability.

Description

Drilling device for parts for machining bucket rod oil cylinder
Technical Field
The invention relates to the technical field of bucket rod oil cylinder machining, in particular to a part drilling device for bucket rod oil cylinder machining.
Background
The arm cylinder is ー hydraulic elements for driving the arm of the hydraulic excavator to move, and the extension and contraction of the arm cylinder can drive the arm to rotate around a hinged point with the movable arm so as to realize various actions required in the excavating process.
When the bucket rod oil cylinder is processed, drilling operation needs to be carried out on parts of the bucket rod oil cylinder, and when the drilling operation is carried out, the traditional part drilling device needs to be clamped and fixed manually and auxiliarily by operators, the operation mode is not only low in working efficiency, but also not convenient enough to operate, poor in safety, and the traditional automatic drilling device is not strong in structural integrity, needs to use a plurality of driving devices, is not convenient enough during installation and maintenance, and is not high in practicability.
Disclosure of Invention
The invention provides a drilling device for parts for machining a bucket rod oil cylinder, which solves the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
a drilling device for parts for machining bucket rod oil cylinders comprises a base plate, wherein supporting legs are fixedly connected at four corners of the bottom of the base plate, supporting columns are fixedly connected at the four corners of the upper portion of the base plate, a top plate is fixedly connected at the tops of the supporting columns, fixing plates are fixedly connected to two sides of the top plate, an installation seat is fixedly connected to the top plate between the fixing plates, a double-shaft motor is fixedly connected to the installation seat, a transmission wheel is fixedly connected to the end portion of an output shaft of the double-shaft motor, the transmission wheel is rotatably connected with a transmission rod, movable columns are slidably connected to the top plates at two sides of the transmission wheel, linkage shafts are fixedly connected to two sides of each movable column, a transmission plate is arranged above the top plates at two sides of each movable column, a piston column is fixedly connected to one side of each transmission plate, one side of each piston column, one side of the transmission rod is hinged with the side face of the transmission plate.
As a preferred technical scheme, a sliding groove is formed in a top plate below a transmission plate, the bottom of the transmission plate is fixedly connected with a linkage rod, the linkage rod penetrates through the sliding groove and extends to the position below the top plate, the bottom of the linkage plate is fixedly connected with the linkage plate, the linkage plate extends into a placement groove, the bottom of the linkage plate is connected with the placement groove in a sliding mode, one side of the linkage plate is fixedly connected with a first elastic telescopic rod, and one side of the first elastic telescopic rod is fixedly connected with a first clamping plate.
As a preferred technical scheme of the invention, the lower end of the movable column penetrates through the top plate and extends to the lower part of the top plate, the bottom of the movable column is fixedly connected with the mounting plate, the mounting plate is provided with a sliding groove, the mounting plates on the two sides of the sliding groove are fixedly connected with the mounting blocks, the mounting blocks are rotatably connected with the screw rod, one side of the mounting block on one axial side of the screw rod is fixedly connected with the mounting motor, and the output shaft of the mounting motor is fixedly connected with the screw rod.
As a preferred technical scheme of the invention, the screw rod is in threaded sleeve connection with a sliding block, the sliding block penetrates through the sliding groove and extends to the lower part of the mounting plate, the bottom of the sliding block is fixedly connected with a drilling motor, and the bottom of an output shaft of the drilling motor is fixedly connected with a drilling tool.
As a preferred technical solution of the present invention, movable plates are disposed on two sides of the placement groove, transmission grooves are disposed on two sides of the movable plates, one side of the movable plate is fixedly connected to a second elastic telescopic rod, the second elastic telescopic rod penetrates through a sidewall of the placement groove and extends into the placement groove, an end of the second elastic telescopic rod is fixedly connected to a second clamping plate, and the second elastic telescopic rod is slidably connected to the sidewall of the placement groove.
According to a preferable technical scheme of the invention, the side walls of two sides of the linkage plate above the placing groove are fixedly connected with the transmission arms, the bottom of one side of each transmission arm is fixedly connected with the fixed shaft, and the fixed shaft extends into the transmission groove of the movable plate and is in sliding connection with the movable plate.
As a preferable technical solution of the present invention, the first clamping plate and the second clamping plate are both provided with a rubber plate.
The invention has the following advantages: when the device is used, a workpiece to be drilled is placed in the placing groove, the mounting motor is started to drive the screw rod to rotate, the position of a drilling tool is adjusted, the double-shaft motor is started to drive the driving wheel to rotate, the driving plate is driven to move by the driving rod, the driving plate moves, the movable column is driven to move downwards under the action of the through groove of the driving plate, the driving plate moves towards the middle, the first clamping plate on one side below the driving plate transversely clamps the workpiece, the driving arms on two sides of the linkage plate below the driving plate drive the movable plate to move towards the middle under the action of the fixed shaft, the second clamping plate is driven to clamp the workpiece in the front-back direction, the drilling tool can still descend after the clamping of the device is completed through the arrangement of the first elastic telescopic rod and the second elastic telescopic rod, and then the drilling motor is started to drive the drilling tool to drill the workpiece, the device work efficiency is high, and the practicality is strong, does not need the manual work to carry out the centre gripping location to the work piece, has improved the security of device greatly, and the precision of punching and the quality of punching are guaranteed to the position that the centre gripping can effectual assurance work piece simultaneously on four sides, and the device passes through the setting of gangbar, and the wholeness is higher, and subsequent maintenance of being convenient for, the practicality is strong.
Drawings
Fig. 1 is a front view overall structural schematic diagram of a drilling device for machining parts of a bucket rod oil cylinder.
Fig. 2 is a side view overall structural schematic diagram of a part drilling device for machining a bucket rod oil cylinder.
Fig. 3 is a structural schematic diagram of a whole drilling device for machining parts of a bucket rod oil cylinder in a bottom view.
In the figure: 1. a base plate; 2. a support pillar; 3. supporting legs; 4. a movable plate; 5. a fixed shaft; 6. a transmission groove; 7. a drive arm; 8. a placement groove; 9. a linkage plate; 10. a linkage rod; 11. mounting a plate; 12. a top plate; 13. a fixing plate; 14. a piston post; 15. a drive plate; 16. a linkage shaft; 17. a double-shaft motor; 18. a driving wheel; 19. a through groove; 20. a mounting seat; 21. a transmission rod; 22. a chute; 23. a first elastic telescopic rod; 24. a first clamping plate; 25. a second elastic telescopic rod; 26. a second clamping plate; 27. mounting blocks; 28. a slider; 29. a screw rod; 30. a drilling motor; 31. a sliding groove; 32. a drilling tool; 33. a movable post; 34. and (5) installing a motor.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Example 1
Referring to fig. 1-3, a drilling device for parts used in bucket rod oil cylinder processing comprises a base plate 1, wherein four corners at the bottom of the base plate 1 are fixedly connected with supporting legs 3, four corners at the upper part of the base plate 1 are fixedly connected with supporting columns 2, the top of the supporting column 2 is fixedly connected with a top plate 12, two sides of the top plate 12 are fixedly connected with a fixed plate 13, a mounting seat 20 is fixedly connected with the top plate 12 between the fixed plates 13, a double-shaft motor 17 is fixedly connected with the mounting seat 20, the end part of an output shaft of the double-shaft motor 17 is fixedly connected with a driving wheel 18, a driving rod 21 is rotatably connected with the driving wheel 18, movable columns 33 are slidably connected with the top plates 12 at two sides of the driving wheel 18, linkage shafts 16 are fixedly connected with two sides of the movable columns 33, driving plates 15 are arranged above the top plates 12 at two sides of the movable columns 33, a through groove 19 is formed in the transmission plate 15, the linkage shaft 16 extends into the through groove 19 of the transmission plate 15 and is connected with the transmission plate 15 in a sliding mode, and one side of the transmission rod 21 is hinged to the side face of the transmission plate 15.
The improved clamping device is characterized in that a sliding groove 22 is formed in the top plate 12 below the transmission plate 15, the bottom of the transmission plate 15 is fixedly connected with a linkage rod 10, the linkage rod 10 penetrates through the sliding groove 22 and extends to the position below the top plate 12, the linkage plate 9 is fixedly connected with the bottom of the transmission plate, the linkage plate 9 extends into the placement groove 8, the bottom of the linkage plate is connected with the placement groove 8 in a sliding mode, one side of the linkage plate 9 is fixedly connected with a first elastic telescopic rod 23, and one side of the first elastic telescopic rod 23 is fixedly connected with a first clamping plate.
The lower end of the movable column 33 penetrates through the top plate 12 and extends to the lower portion of the top plate 12, the bottom of the movable column is fixedly connected with the mounting plate 11, a sliding groove 31 is formed in the mounting plate 11, the mounting blocks 27 are fixedly connected to the mounting plate 11 on two sides of the sliding groove 31, the mounting blocks 27 are connected with the lead screw 29 in a rotating mode, one side of the mounting block 27 on one axial side of the lead screw 29 is fixedly connected with the mounting motor 34, and an output shaft of the mounting motor 34 is fixedly connected with the lead screw 29.
The screw thread cup joints sliding block 28 on the lead screw 29, and sliding block 28 passes sliding tray 31, extends to the mounting panel 11 below, and bottom fixed connection drilling motor 30, and drilling tool 32 is fixed connection to drilling motor 30's output shaft bottom.
The utility model discloses a standing groove 8, including standing groove 8, driving groove 6, movable plate 4, second elastic telescopic rod 25 passes the standing groove 8 lateral wall, extends to in the standing groove 8, and tip fixed connection second grip block 26, second elastic telescopic rod 25 and 8 lateral walls sliding connection of standing groove.
The side walls of two sides of the linkage plate 9 above the placing groove 8 are fixedly connected with transmission arms 7, the bottom of one side of each transmission arm 7 is fixedly connected with a fixed shaft 5, and the fixed shafts 5 extend into the transmission grooves 6 of the movable plates 4 and are in sliding connection with the movable plates 4.
Example 2
Referring to fig. 1-3, the other contents of the present embodiment are the same as embodiment 1, except that: rubber plates are arranged on the first clamping plate 24 and the second clamping plate 26, so that the surface of a workpiece can be effectively protected.
In the implementation process of the invention, when the device is used, a workpiece to be drilled is placed in the placing groove 8, then the mounting motor 34 is started to drive the screw rod 29 to rotate, so as to realize the position adjustment of the drilling tool 32, then the double-shaft motor 17 is started to drive the driving wheel 18 to rotate, the driving rod 16 drives the driving plate 15 to move, the driving plate 15 moves, the movable column 33 is driven to move downwards under the action of the through groove 19 of the driving plate 15, the driving plate 15 moves towards the middle, the first clamping plate 24 on one side below the driving plate 15 transversely clamps the workpiece, the driving arms 7 on two sides of the linkage plate 9 below the driving plate 15 drive the movable plate 4 to move towards the middle under the action of the fixed shaft 5, so as to drive the second clamping plate 26 to clamp the workpiece in the front and back direction, and after the clamping of the device is completed, the drilling tool 32 can still be lowered and the drilling motor 30 is then activated to drive the drilling tool 32 to perform a drilling operation on the workpiece.
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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The utility model provides a bucket rod is spare part drilling equipment for hydro-cylinder processing, includes bottom plate (1), its characterized in that, bottom plate (1) bottom four corners department fixed connection supporting leg (3), four corners department fixed connection support column (2) on bottom plate (1), support column (2) top fixed connection roof (12), both sides fixed connection fixed plate (13) on roof (12), fixed connection mount pad (20) on roof (12) between fixed plate (13), fixed connection biax motor (17) on mount pad (20), output shaft tip fixed connection drive wheel (18) of biax motor (17), rotation connection transfer line (21) on drive wheel (18), sliding connection movable column (33) on roof (12) of drive wheel (18) both sides, movable column (33) both sides fixed connection universal driving shaft (16), set up driving plate (15) above roof (12) of movable column (33) both sides, driving plate (15) one side fixed connection piston post (14), fixed plate (13) are passed to piston post (14) one side, and with fixed plate (13) sliding connection, set up logical groove (19) on driving plate (15), universal driving shaft (16) extend to in logical groove (19) of driving plate (15), and with driving plate (15) sliding connection, transfer line (21) one side is connected with driving plate (15) side is articulated.
2. The part drilling device for machining the bucket rod oil cylinder is characterized in that a sliding groove (22) is formed in the top plate (12) below the transmission plate (15), the bottom of the transmission plate (15) is fixedly connected with a linkage rod (10), the linkage rod (10) penetrates through the sliding groove (22) and extends to the position below the top plate (12), the bottom of the linkage plate (9) is fixedly connected with a linkage plate (9), the linkage plate (9) extends into the placement groove (8), the bottom of the linkage plate is slidably connected with the placement groove (8), a first elastic telescopic rod (23) is fixedly connected to one side of the linkage plate (9), and a first clamping plate (24) is fixedly connected to one side of the first elastic telescopic rod (23).
3. The part drilling device for machining the bucket rod oil cylinder is characterized in that the lower end of the movable column (33) penetrates through the top plate (12) and extends to the position below the top plate (12), the bottom of the movable column is fixedly connected with the mounting plate (11), a sliding groove (31) is formed in the mounting plate (11), the mounting plates (11) on the two sides of the sliding groove (31) are fixedly connected with the mounting blocks (27), the mounting blocks (27) are rotatably connected with the screw rod (29), one side of the mounting block (27) on one axial side of the screw rod (29) is fixedly connected with the mounting motor (34), and an output shaft of the mounting motor (34) is fixedly connected with the screw rod (29).
4. The part drilling device for machining the bucket rod oil cylinder is characterized in that a sliding block (28) is sleeved on the screw rod (29) in a threaded mode, the sliding block (28) penetrates through a sliding groove (31) and extends to the position below the mounting plate (11), the bottom of the sliding block (28) is fixedly connected with a drilling motor (30), and a drilling tool (32) is fixedly connected to the bottom of an output shaft of the drilling motor (30).
5. The part drilling device for machining the bucket rod oil cylinder is characterized in that movable plates (4) are arranged on two sides of the placing groove (8), transmission grooves (6) are formed in two sides of the movable plates (4), one side of each movable plate (4) is fixedly connected with a second elastic telescopic rod (25), each second elastic telescopic rod (25) penetrates through the side wall of the placing groove (8) and extends into the placing groove (8), the end portions of the second elastic telescopic rods are fixedly connected with second clamping plates (26), and the second elastic telescopic rods (25) are connected with the side wall of the placing groove (8) in a sliding mode.
6. The part drilling device for machining the bucket rod oil cylinder is characterized in that transmission arms (7) are fixedly connected to the side walls of two sides of a linkage plate (9) above a placing groove (8), a fixed shaft (5) is fixedly connected to the bottom of one side of each transmission arm (7), and the fixed shaft (5) extends into a transmission groove (6) of a movable plate (4) and is in sliding connection with the movable plate (4).
7. The part drilling device for the bucket rod oil cylinder machining according to claim 5 or 6, wherein rubber plates are arranged on the first clamping plate (24) and the second clamping plate (26).
CN202011372066.5A 2020-11-30 2020-11-30 Drilling device for parts for machining bucket rod oil cylinder Pending CN112496394A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011372066.5A CN112496394A (en) 2020-11-30 2020-11-30 Drilling device for parts for machining bucket rod oil cylinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011372066.5A CN112496394A (en) 2020-11-30 2020-11-30 Drilling device for parts for machining bucket rod oil cylinder

Publications (1)

Publication Number Publication Date
CN112496394A true CN112496394A (en) 2021-03-16

Family

ID=74967772

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011372066.5A Pending CN112496394A (en) 2020-11-30 2020-11-30 Drilling device for parts for machining bucket rod oil cylinder

Country Status (1)

Country Link
CN (1) CN112496394A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113245867A (en) * 2021-06-11 2021-08-13 山东奥扬新能源科技股份有限公司 Clamping tool for processing air faucet of bottle body

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108501800A (en) * 2018-04-08 2018-09-07 朱德金 It is a kind of to facilitate fixed field work water quality testing meter fixing device
CN110640182A (en) * 2019-11-06 2020-01-03 湖州师范学院 Clamping mechanism for drilling circular seat plate of circular seat
CN110899764A (en) * 2019-12-09 2020-03-24 江西诺驰科技咨询有限公司 Drilling equipment is used in electronic components production
CN210334456U (en) * 2019-07-12 2020-04-17 莆田学院 Drilling equipment for mechanical parts
CN211387795U (en) * 2019-12-27 2020-09-01 济南达威尔汽车配件有限公司 Be used for automobile parts machined surface drilling equipment
CN111823330A (en) * 2020-07-20 2020-10-27 马鞍山市泰隆家具有限公司 Perforating device is used in furniture board production that can accurate location
CN211915562U (en) * 2020-01-03 2020-11-13 四川兴创泰信息科技有限公司 Environment-friendly pollution-free stainless steel threshold drilling equipment

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108501800A (en) * 2018-04-08 2018-09-07 朱德金 It is a kind of to facilitate fixed field work water quality testing meter fixing device
CN210334456U (en) * 2019-07-12 2020-04-17 莆田学院 Drilling equipment for mechanical parts
CN110640182A (en) * 2019-11-06 2020-01-03 湖州师范学院 Clamping mechanism for drilling circular seat plate of circular seat
CN110899764A (en) * 2019-12-09 2020-03-24 江西诺驰科技咨询有限公司 Drilling equipment is used in electronic components production
CN211387795U (en) * 2019-12-27 2020-09-01 济南达威尔汽车配件有限公司 Be used for automobile parts machined surface drilling equipment
CN211915562U (en) * 2020-01-03 2020-11-13 四川兴创泰信息科技有限公司 Environment-friendly pollution-free stainless steel threshold drilling equipment
CN111823330A (en) * 2020-07-20 2020-10-27 马鞍山市泰隆家具有限公司 Perforating device is used in furniture board production that can accurate location

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113245867A (en) * 2021-06-11 2021-08-13 山东奥扬新能源科技股份有限公司 Clamping tool for processing air faucet of bottle body

Similar Documents

Publication Publication Date Title
CN109798079B (en) Telescopic arm type iron driller
CN112496394A (en) Drilling device for parts for machining bucket rod oil cylinder
CN212144565U (en) Full-automatic three-dimensional drilling device
CN210524445U (en) CNC anchor clamps of numerical control processing
CN210239707U (en) Auxiliary device and tunnel supporting vehicle with same
CN209892247U (en) Tunnel supporting vehicle
CN214770503U (en) Cylinder work piece periphery drilling frock
CN216575676U (en) Bench drill workstation elevation structure
CN205415079U (en) Quick aligning device of large -scale work piece
CN220679432U (en) Workpiece inclined hole drilling device
CN108788892A (en) Workpiece angle rotational processing apparatus
CN217912887U (en) Lathe fixture for turning of pipeline
CN219521287U (en) Shaft hole positioning and processing device suitable for workpieces with various shapes
CN219484293U (en) Drilling machine drilling positioning device
CN217751762U (en) Liftable drilling and charging equipment for demolishing blasting operation
CN115972129B (en) Automatic change multi-functional frock clamp
CN212240745U (en) Machining clamp
CN218081598U (en) Novel building engineering construction is with punching device
CN212553723U (en) Supporting and positioning device for machining production
CN220295856U (en) Loading and unloading device of numerical control lathe
CN209838339U (en) Pile machine drill rod grabbing and moving mechanism
CN218194047U (en) Radial drilling machine for production of check tool
CN220593078U (en) Turning device is used in mould maintenance
CN217617748U (en) Aluminum cutting device with replaceable tungsten steel ejector pin
CN212242317U (en) Positioning device for hydraulic device

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
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20210316

WD01 Invention patent application deemed withdrawn after publication