CN103111654A - Movable type suspension crane rocker arm drilling machine - Google Patents
Movable type suspension crane rocker arm drilling machine Download PDFInfo
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- CN103111654A CN103111654A CN2013100682701A CN201310068270A CN103111654A CN 103111654 A CN103111654 A CN 103111654A CN 2013100682701 A CN2013100682701 A CN 2013100682701A CN 201310068270 A CN201310068270 A CN 201310068270A CN 103111654 A CN103111654 A CN 103111654A
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Abstract
The invention discloses a movable type suspension crane rocker arm drilling machine which is divided into a suspension crane and a radial drill. The movable type suspension crane rocker arm drilling machine comprises a base (11), a vertical column (7), a drilling machine gearbox (8), a horizontal arm (9) and a main shaft box (10), wherein a column body of the vertical column (7) is connected with the horizontal arm (9) in a sliding mode, the horizontal arm (9) is connected with the main shaft box (10) in a sliding mode, the drilling machine gearbox (8) is arranged on the horizontal arm (9) and the horizontal arm (9) is connected with a lifting lead screw (13) through variable gears. The bottom end of the vertical column (7) is connected with the base (11), and the top end of the vertical column (7) is connected with a vertical shaft (3). The vertical shaft (3) is connected with an I-beam rocker arm assembly (2). One end of the I-beam rocker arm assembly (2) is provided with a suspension crane electric block (1). According to the movable type suspension crane rocker arm drilling machine, two rocker arms do not interfere with each other and rotate independently. Polyester foaming is used to fill the vertical column space, so that the problem that the steel pipe vertical column is not good in shock absorption effect in the machining of a lathe is resolved, and the humming sound and the ringing sound occurring when the metal pipe is struck are avoided. The production quality of the vertical column is improved greatly and the cost of the vertical column of the lathe is reduced greatly.
Description
Technical field
The invention belongs to mechanical equipment technical field, relate to radial drilling machine and crane gear, hang and radial drilling machine in particular to movable suspending arm.
Background technology
In prior art, lathe and crane gear are two diverse industries, and both are irrelevant mutually.Crane gear only to vertical, the straight line of object, garden arc distance from producing displacement, lathe is only to object materials processing cutting and the distortion of extending.Have in small lifting equipment that movable suspending arm hangs, wall-hanging cantilever crane, fixed boom hang.Wall-hanging and cantilevered travelling performance is bad, and movable suspending arm hangs that specific aim is too strong, and three meters are high, three meters I-beam rocking arms, and the present market price of cantilever crane of this class configuration 200-300KG, 220V electric block is all between 1.5-2.5 ten thousand.This series products all is not suitable with medium and small machinery plant and repair shop.Simultaneously, these small lifting equipments have general characteristics: namely heavy base and around the rotation column.Another characteristics are that practical function section is all in the extreme higher position.
But on radial drilling machine, base and column are all the necessary parts of lathe.Realize that drilling function section is not in the extreme higher position.Z3032, the own wt of the small-sized brace such as Z3025.ZF3732.ZF3725 become possibility all below 1000 kilograms for base installs additional mobile and supports.Therefore add on these small-sized braces and load onto lifting appliance, saved the expense of column and base, greatly reduce the cost of product, realize a machine tool several functions and operation combination, reduce other support staff.Realize that one-plus-one is greater than two perfect adaptation.
Summary of the invention
In order to solve the problems of the technologies described above, to the object of the invention is to add on small-sized brace and load onto lifting appliance, thereby provide a kind of movable suspending arm to hang radial drilling machine.
The technology that the present invention takes: a kind of movable suspending arm hangs radial drilling machine, its minute cantilever crane and radial drill, comprise base, column, drilling machine gearbox, transverse arm and main spindle box, column shaft and transverse arm are slidably connected, transverse arm and main spindle box are slidably connected, transverse arm is provided with the drilling machine gearbox and is connected with elevating screw by change-speed gearing, the bottom of column is connected with base, the top of described column is connected with vertical shaft, vertical shaft is connected with the I-beam Rocker arm assembly, and an end of I-beam Rocker arm assembly is provided with the cantilever crane electric block.
Described base is connected with aiding support leg and draw-gear.
Described I-beam Rocker arm assembly is provided with rotary sleeve, and rotary sleeve is arranged on vertical shaft by bearing, and the vertical shaft bottom face is connected with the top end face of column by bolt; The axle bed of vertical shaft is provided with two bearing positions, one is connected with upright post cap by bearing, the shaft shoulder interface of upright post cap lower surface and vertical shaft leaves the gap, another bearing position of axle bed is connected with axle bed bearing block in the I-beam Rocker arm assembly by thrust ball bearing, and a loose ring end face of thrust ball bearing is pressed on the upper surface of upright post cap, and the gap is left in the bottom face of axle bed bearing block and the upper surface of upright post cap.
Described vertical shaft is divided into axle bed, vertical shaft axle body and spindle nose, and the vertical shaft axle body is connected with the equal dividing and positioning plate; The I-beam Rocker arm assembly comprises I-beam, rotary sleeve, axle bed bearing block, spindle nose bearing block and detent mechanism; Detent mechanism and equal dividing and positioning plate be spacing the connection in the vertical direction, rotates in the horizontal direction to be slidably connected, and spindle nose is provided with a bearing position and is connected with the spindle nose bearing block by bearing.
The bearing clearance is housed on described spindle nose bearing block regulates pressing plate, the bearing clearance is regulated pressing plate and is connected with spindle nose bearing in bearing block compression.
The top of described spindle nose is screw rod, and screw rod is connected with nut, and nut is connected with hoisting ring or is connected as a single entity with hoisting ring.
Described upright post cap is fixedly connected with nut with key with elevating screw, and elevating screw is connected with the gearbox internal gear.
Described column comprises Upright post base, column tube, connecting plate and taper pin, the polyurethane foaming, column tube and Upright post base are by the anaerobic adhesive bonding connection and be located by connecting by taper pin, connecting plate is concordant with column tube welding and upper surface, the vertical shaft bottom face is connected with connecting plate by bolt, the foaming of column casing pack polyurethane, the Upright post base bottom face is connected with base member by bolt.
Being provided with connecting groove in four jiaos of described base is connected with four aiding support legs swings, the aiding support leg comprises and turns footmuff, supporting steel pipe and support footmuff, the footmuff that turns of two aiding support legs on the left side is connected with two jiaos, the left side connecting groove swing of base by the lifting supporting screw respectively, the support footmuff of end is connected with the lifting supporting screw, and the supporting steel pipe pipe shaft on the left side is connected with roller by rolling wheel support or the both sides, the left side of base are connected with roller by rolling wheel support; The footmuff that turns of two aiding support legs on the right is connected by two jiaos of connecting grooves of bolt with the right of base respectively, and the supporting steel pipe pipe shaft on the right is provided with two support footmuffs and is connected with the lifting supporting screw respectively.
The right side of described base is connected with draw-gear, and draw-gear comprises towing bracket, roller and tow handle.
The present invention realizes two rocking arm mutually noninterferes, independent rotation; Utilize the foam filled column of polyester space, solve steel pipe post bad situation of shock-absorbing effect when machine tooling, thus solved empty ring drone ring and the clear and melodious sound of metal tube when knocking; Improve greatly the product quality of column and greatly reduced the machine pillar cost.Adopt I-beam transverse arm 360 degree Plane of rotation equal portions positioners.The cantilever crane transverse arm can be realized the location, locus of eight equal portions by the plug-in type detent mechanism to it.Can solve rocking of lifting transverse arm when mobile behind alignment pin location, three level steam bubbles are arranged on three easy sightingpistons of column, can conveniently observe when adjusting support foot.Adopt the support foot of folding and unfolding, floor space is little, and the mode of this plug-in scroll wheel has also changed the universal brace roller of traditional movable type and all is arranged on base inside, the difficult problem that when mobile, bad traction is controlled with foundry goods.
Description of drawings
Fig. 1 is the main TV structure schematic diagrames of embodiments of the invention 1.
Fig. 2 is the part-structure schematic diagram of embodiments of the invention 1 I-beam Rocker arm assembly.
Fig. 3 is the vertical shaft structural representation of embodiments of the invention 1.
Fig. 4 is the plan structure schematic diagram of embodiments of the invention 1.
Fig. 5 is the pillar construction schematic diagram of enforcement 1 of the present invention.
In figure: cantilever crane electric block 1, I-beam Rocker arm assembly 2, vertical shaft 3, draw-gear 4, aiding support leg 5, roller 6, column 7, drilling machine gearbox 8, transverse arm 9, main spindle box 10, base 11, upright post cap 12, elevating screw 13.Spindle nose bearing block 2-1, rotary sleeve 2-2, detent mechanism 2-3, axle bed bearing block 2-4, stiffener 2-5, dead buting iron 2-6, I-beam 2-7, end-plate 2-8, spindle nose 3-1, vertical shaft axle body 3-2, equal dividing and positioning plate 3-3, axle bed 3-4, connecting plate 7-1, column tube 7-2, Upright post base 7-3, taper pin 7-4, polyurethane foaming 7-5.
The specific embodiment
The below will carry out the technical scheme in the embodiment of the present invention clear, intactly describe.Obviously, described embodiment is only that a part of the present invention is implemented, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all should belong to the scope of the application's protection.Therefore, scope of the present invention is not limited to following embodiment.
Embodiment 1: main motor is that to move the cantilever crane radial drill be example to ZQF3732, ZF3725, ZW3732, the ZW3725 of 1.5KW:
As shown in Fig. 1-5, the cantilever crane electric block 1 that newly increases on the basis of radial drilling machine, I-beam Rocker arm assembly 2, vertical shaft 3, draw-gear 4, aiding support leg 5 and roller 6 etc., the original base member of old radial drilling machine, pillar parts, drilling machine gearbox 8, transverse arm 9, main spindle box 10 keeps, but the structure of the structure of base member 11, pillar parts 7 and the base in the present embodiment 11 and column 7 is not quite similar.The cantilever crane electric block 1 that newly increases, I-beam Rocker arm assembly 2, vertical shaft 3 images say the engineering of attaching the names of pre-determined candidates to drilling machine; Draw-gear 4, aiding support leg 5 and roller 6 are that drilling machine worn the boots engineering; And column 7 has born very large moment of flexure, so made larger change on structural design.
Vertical shaft 3 processes (also processing is played in available whole garden forging) by spindle nose 3-1, vertical shaft axle body 3-2, equal dividing and positioning plate 3-3 and axle bed 3-4 assembly welding, and six M12 of vertical shaft 3 use * 40 hexagon socket head cap screws are fastened on connecting plate 7-1 on column 7.Axle bed 3-4 has two bearing positions simultaneously, and one is φ 90 positions, and 51118 thrust ball bearings are installed, and this bearing loose ring is pressed in plane on the another part of upright post cap 12, and during assembling, gap 0.5-1MM is stayed in the upper surface of the bottom face of axle bed bearing block 2-4 and upright post cap 12; Another is φ 100 positions, and 32920 garden taper roller bearings are installed, and this bearing outer ring is contained by upright post cap 12 parts.At spindle nose 3-1(highest point) a journal bearing position φ 55 is arranged, 6211 deep groove ball bearings are installed.This a pair of bearing group of 51118 thrust ball bearings and 6211 deep groove ball bearings is closed and is born I-beam Rocker arm assembly 2 axially and radially stressed.The 32920 garden taper roller bearings that bearing position above column 7 in upright post cap 12 is installed bear drilling machine axially and radially stressed by elevating screw 13.The shaft shoulder of upright post cap 12 lower surfaces and vertical shaft 3 is that axial abutment surface is stayed gap 0.5-1MM; When transverse arm 9 rotates, elevating screw 13 drives upright post cap 12, in upright post cap 12, rotate relative to inner ring 32920 taper roller bearing outer rings, garden, the 51118 thrust ball bearing loose rings on plane on upright post cap 12 with upright post cap on Plane Rotation, 51118 thrust ball bearing collars are motionless, I-beam Rocker arm assembly 2 is motionless, and first rocking arm (drilling machine) self-movement is completed.
I-beam Rocker arm assembly 2 is formed by spindle nose bearing block 2-1, rotary sleeve 2-2, detent mechanism 2-3, axle bed bearing block 2-4, stiffener 2-5, dead buting iron 2-6, I-beam 2-7, end-plate 2-8, hanging wire stake and three assembly weldings such as dismounting piece, load onto detent mechanism after assembly welding processing, I-beam Rocker arm assembly 2 is with after vertical shaft 3 is connected, detent mechanism 2-3 and equal dividing and positioning plate 3-3 be spacing the connection in the vertical direction, rotate in the horizontal direction and be slidably connected, spindle nose bearing block 2-1 is provided with the bearing clearance and regulates pressing plate, regulates pressing plate and is connected with bearing compression in spindle nose bearing block 2-1.The top of spindle nose 3-1 is with after the nut check of garden, and vertical shaft 3 is connected as a single entity with I-beam Rocker arm assembly 2.When lifting by crane, lathe can screw in suspension ring.
When rotating I-beam Rocker arm assembly 2, the 6211 relative inner rings in deep groove ball bearing outer ring on spindle nose 3-1 turn, the axle bed 3-4 thrust ball bearing 51118 relative loose rings of collar turn, (thrust ball bearing 51118 loose rings that at this moment are pressed on upright post cap 12 are motionless) whole I-beam Rocker arm assembly 2 is realized rotatablely moving, and second rocking arm (cantilever crane) self-movement is completed.Realize cantilever crane and the independent not interfering movement of radial drill two transverse arms.
Aiding support leg 5: formed by two left redundant supporting legs and two right redundant supporting legs, aiding support leg 5 is by turning footmuff, process after the assembly weldings such as 80X60X4 rectangle supporting steel pipe, support footmuff, upper lower bolster, stiffener and end-plate, to turn the footmuff upper and lower side puts well in thrust bearing inserted base parts 11 in the groove of four jiaos, the connection rotating shaft nut, regulating sleeve is put in base 11 upper ends, then screws with the garden nut on spindle nut.But folding aiding support leg 5 was completed with being connected just of base 11.Screw in successively again supporting screw (by base end), assemble back nut at the supporting leg far-end, screw in lifting screw.
Two right rollers 6 are contained on the wheel shaft of traction element 4, and two left wheel 6 are mounted on respectively on the aiding support leg 5 on the left side.Also can directly be mounted on the left part side of base 11.By rolling wheel support, roller shaft, six inches iron core polyester rubber tires form, but support welding on folding aiding support leg 5, roller shaft is welded on support, wheel is arranged on wheel shaft.
When wanting mobile machine tool: pack up whole lifting supporting screws, four rolling lands, just removable lathe.When only wanting lathe when boring: screw off the lifting supporting screw at four base angles, four rollers are liftoff, but four folding aiding support legs can be rotated to the base limit, do not affect the drilling machine station.When lifting by crane when holing with lathe: screw off the lifting supporting screw at four base angles, four rollers are liftoff, but the favourable direction of base when four folding aiding support legs can be rotated to lifting screws off the lifting supporting screw of four folding aiding support leg far-ends.
Column 7 is load parts of a key, only originally monoblock cast as the column of drilling machine, now fill with spray polyurethane blowing agent 7-5 at inner chamber by Upright post base 7-3, column tube 7-2, connecting plate 7-1, three taper pin 7-4 after process, weld, be bonded, processing.Column tube 7-2 is φ 168X8 structured steel pipe, and connecting plate is φ 156X20 steel plate, and both are through the processing assembly welding, and column tube 7-2 puts into the bottom Upright post base 7-3(ironcasting), processing 3-10 taper pin-holes bonding with anaerobic adhesive, dress taper pin 7-4, spot welding.First with 60 degree warm water, filler is heated during foam filled dose of use in winter.
In the present embodiment:
Coaxial parallel double rocking arm technology:Realize the separate rotation of the transverse arm of drilling machine transverse arm 9 and loop wheel machine I-beam Rocker arm assembly 2 take column 7 as bus, be not interference when working separately.
Column combined material technology:None can not be with the steel pipe face of weld at various small lifting equipment central posts, and steel-tube construction has bending resistance square performance preferably.Module of anti-bending section is large, and cost is low.None is not cylinder iron to make again but at the radial drilling machine central post: easily obtain required profile, shock-absorbing has good compressive property.Present technique is applied in two or more materials on column 7 parts.Upright post base 7-3 still selects cast iron, column top connecting plate 7-1 and steel pipe assembly welding, Upright post base 7-3 is goed deep in column 7 bottoms, the gap is 0.1-0.2MM, and is fixing bonding with garden cylindrical parts retaining rubber (anaerobic adhesive), after normal temperature solidified in 24 hours, its faying face shear strength reaches 15-35Mpa, existing bonding contact-making surface reaches 644 square centimeters, and its shearing force reaches 9660-22540 kg/cm, reaches the lathe of slinging (approximately 1000 kilograms) fully and starts the vibrative requirement of lathe.For the sake of assurance, bore the taper pin-hole of three φ 10MM after Upright post base 7-3 and column steel pipe 7-2 adhering and solidifying, be pressed into taper pin 7-4, weld from the steel duct electric welding.For solving column 7 bad situation of shock-absorbing effect when the machine tooling, in interior spray polyester foaming, fit up on the market 40 times of swollen volumes that rise of use, only two just can be with column 7 space-fillings.Solved fully empty ring drone ring and the clear and melodious sound of metal tube when knocking.Improved greatly the product quality of column 7 and greatly reduced column weight.The application of this technology makes to be installed cantilever crane additional and just becomes possibility on brace.
I-beam Rocker arm assembly 360 degree Plane of rotation equal portions positioners.When movable suspending arm hangs radial drilling machine and moves or when not using for a long time lifting, I-beam Rocker arm assembly 2 can be realized the location, locus of eight equal portions by the plug-in type detent mechanism to it.Can solve rocking of I-beam Rocker arm assembly 2 when mobile behind detent mechanism 2-3 and equal dividing and positioning plate 3-3 location.The detent mechanism of pulling pin of this routine employing standard.
Movable suspending arm hangs and carries horizontal survey on radial drilling machine.All will be with two horizon rule verification base planes during the installation of drilling machine location.After top installs cantilever crane additional, highly increased 400MM, I-beam reaches 1600MM, gross weight increases approximately 70 kilograms, horizontal installation requirement to base is also high, and equipment often is mobile in addition, utilizes the good characteristics of planarization of lathe base, directly three level steam bubbles are arranged on three easy sightingpistons of column 7, can conveniently observe when adjusting support foot.
Embodiment 1 part technical parameter:
The present embodiment 1 structure is its comprehensive strength of examination after plant samples is made, once divided on lifting I-beam end and separately do not repeat to hang 430KG and 540KG weight, and its general structure intensity meets the design instructions for use fully.Combined material column deflection deflection after removing load disappears.Rotary sleeve, aiding support leg be body strong as iron especially, and be at all harmless.On hard surfacing, people is the push-and-pull mobile machine tool like a cork.
Do not know during for the solution hoisting heavy that actual weight causes parts to damage and contingency, hang a 300KG digital display electronic hook under hook, no matter lift by crane any not clear object, the following display of 300KG shows weight, excess weight is reported to the police, at this moment operating personnel abandon lifting at once, have guaranteed safety.
Claims (10)
1. a movable suspending arm hangs radial drilling machine, its minute cantilever crane and radial drill, comprise base (11), column (7), drilling machine gearbox (8), transverse arm (9) and main spindle box (10), column (7) shaft and transverse arm (9) are slidably connected, transverse arm (9) is slidably connected with main spindle box (10), transverse arm (9) is provided with drilling machine gearbox (8) and is connected with elevating screw (13) by change-speed gearing, the bottom of column (7) is connected with base (11), it is characterized in that: the top of described column (7) is connected with vertical shaft (3), vertical shaft (3) is connected with I-beam Rocker arm assembly (2), one end of I-beam Rocker arm assembly (2) is provided with cantilever crane electric block (1).
2. movable suspending arm according to claim 1 hangs radial drilling machine, it is characterized in that: described base (11) is connected with aiding support leg (5) and draw-gear (4).
3. movable suspending arm according to claim 1 and 2 hangs radial drilling machine, it is characterized in that: described I-beam Rocker arm assembly (2) is provided with rotary sleeve (2-2), rotary sleeve (2-2) is arranged on vertical shaft (3) by bearing, and vertical shaft (3) bottom face is connected by the top end face of bolt with column (7); The axle bed (3-4) of vertical shaft (3) is provided with two bearing positions, one is connected with upright post cap (12) by bearing, the shaft shoulder interface of upright post cap (12) lower surface and vertical shaft (3) leaves the gap, another bearing position of axle bed (3-4) is connected with axle bed bearing block (2-4) in I-beam Rocker arm assembly (2) by thrust ball bearing, and a loose ring end face of thrust ball bearing is pressed on the upper surface of upright post cap (12), and the gap is left in the upper surface of the bottom face of axle bed bearing block (2-4) and upright post cap (12).
4. movable suspending arm according to claim 1 and 2 hangs radial drilling machine, it is characterized in that: described vertical shaft (3) is divided into axle bed (3-4), vertical shaft axle body (3-2) and spindle nose (3-1), and vertical shaft axle body (3-2) is connected with equal dividing and positioning plate (3-3); I-beam Rocker arm assembly (2) comprises I-beam (2-7), rotary sleeve (2-2), axle bed bearing block (2-4), spindle nose bearing block (2-1) and detent mechanism (2-3); Detent mechanism (2-3) and equal dividing and positioning plate (3-3) be spacing the connection in the vertical direction, rotates in the horizontal direction to be slidably connected, and spindle nose (3-1) is provided with a bearing position and is connected with spindle nose bearing block (2-1) by bearing.
5. movable suspending arm according to claim 4 hangs radial drilling machine, it is characterized in that: the bearing clearance is housed on described spindle nose bearing block (2-1) regulates pressing plate, the bearing clearance is regulated pressing plate and is connected with spindle nose bearing block (2-1) inner bearing compression.
6. movable suspending arm according to claim 4 hangs radial drilling machine, it is characterized in that: the top of described spindle nose (3-1) is screw rod, and screw rod is connected with nut, and nut is connected with hoisting ring or is connected as a single entity with hoisting ring.
7. movable suspending arm according to claim 3 hangs radial drilling machine, it is characterized in that: described upright post cap (12) is fixedly connected with nut with key with elevating screw (13), and elevating screw (13) is connected with the gearbox internal gear.
8. movable suspending arm according to claim 3 hangs radial drilling machine, it is characterized in that: described column (7) comprises Upright post base (7-3), column tube (7-2), connecting plate (7-1) and taper pin (7-4), polyurethane foaming (7-5), column tube (7-2) also is located by connecting by taper pin (7-4) by the anaerobic adhesive bonding connection with Upright post base (7-3), connecting plate (7-1) is concordant with column tube (7-2) welding and upper surface, vertical shaft (3) bottom face is connected with connecting plate (7-1) by bolt, the interior filling polyurethane foaming of column tube (7-2) (7-5), Upright post base (7-3) bottom face is connected with base (11) parts by bolt.
9. movable suspending arm according to claim 1 and 2 hangs radial drilling machine, it is characterized in that: be provided with connecting groove in four jiaos of described base (11) and be connected with four aiding support legs (5) swing, aiding support leg (5) comprises and turns footmuff, supporting steel pipe and support footmuff, the footmuff that turns of two aiding support legs (5) on the left side is connected with two jiaos, the left side connecting groove swing of base (11) by the lifting supporting screw respectively, the support footmuff of end is connected with the lifting supporting screw, the supporting steel pipe pipe shaft on the left side is connected with roller by rolling wheel support or the both sides, the left side of base (11) are connected with roller by rolling wheel support, the footmuff that turns of two aiding support legs (5) on the right is connected by two jiaos of connecting grooves of bolt with the right of base (11) respectively, and the supporting steel pipe pipe shaft on the right is provided with two support footmuffs and is connected with the lifting supporting screw respectively.
10. movable suspending arm according to claim 1 and 2 hangs radial drilling machine, it is characterized in that: the right side of described base (11) is connected with draw-gear (4), and draw-gear (4) comprises towing bracket, roller and tow handle.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310068270.1A CN103111654B (en) | 2013-03-05 | 2013-03-05 | Movable suspending arm hangs radial drilling machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310068270.1A CN103111654B (en) | 2013-03-05 | 2013-03-05 | Movable suspending arm hangs radial drilling machine |
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| CN103111654A true CN103111654A (en) | 2013-05-22 |
| CN103111654B CN103111654B (en) | 2015-09-02 |
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Cited By (7)
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| CN104475797A (en) * | 2014-11-21 | 2015-04-01 | 黄荣丰 | Radial drilling machine |
| CN104526004A (en) * | 2014-12-23 | 2015-04-22 | 周大胜 | Movable type hole drilling device |
| CN105269339A (en) * | 2015-11-24 | 2016-01-27 | 沈阳景宏数控设备有限公司 | Stand column and rocker arm lifting mechanism of digital display type radial drilling machine |
| CN107378516A (en) * | 2017-08-03 | 2017-11-24 | 南通西马特机器制造有限公司 | A kind of auxiliary strut of radial drilling machine |
| CN107617920A (en) * | 2017-11-01 | 2018-01-23 | 邵林子禹 | A kind of small-sized material handling device |
| CN108608583A (en) * | 2018-06-08 | 2018-10-02 | 山东英硅工业陶瓷有限责任公司 | A kind of horizontal ceramic tube drilling or drill flute device and its application method |
| CN111531193A (en) * | 2020-05-08 | 2020-08-14 | 玉环周浪汽配厂 | Adjustable bench drill for drilling disc workpiece |
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