CN202377608U - Concentric reversion dual-working-head power drive device and axial positioning structure thereof - Google Patents

Concentric reversion dual-working-head power drive device and axial positioning structure thereof Download PDF

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Publication number
CN202377608U
CN202377608U CN2011204442949U CN201120444294U CN202377608U CN 202377608 U CN202377608 U CN 202377608U CN 2011204442949 U CN2011204442949 U CN 2011204442949U CN 201120444294 U CN201120444294 U CN 201120444294U CN 202377608 U CN202377608 U CN 202377608U
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main shaft
countershaft
bearing
axial
face
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Expired - Fee Related
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CN2011204442949U
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Chinese (zh)
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宋希万
陈诗歌
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NINGBO DEFENG POWER Tech CO Ltd
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NINGBO DEFENG POWER Tech CO Ltd
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Abstract

The utility model relates to a concentric reversion dual-working-head power drive device and an axial positioning structure for axially positioning a reversion rotating part of the same. The axial positioning structure comprises a main shaft, an auxiliary shaft, a first bearing and at least one second bearing, wherein the main shaft can rotate along an axis of the main shaft in a first rotation direction, a first end of the main shaft is connected to a first working head through a main shaft sleeve, and a second end of the main shaft is connected to a first rotating drive device; the auxiliary shaft is a hollow body and is sleeved on the periphery of the main shaft, the auxiliary shaft can rotate along the axis of the main shaft in a second rotating direction, a first end of the auxiliary shaft is connected to a second working head, and a second end of the auxiliary shaft is connected to a second rotating drive device; and each bearing of the first and the second bearings comprises an inner ring and an outer ring, wherein the inner ring is connected with the main shaft in a nesting way, and the outer ring is connected with the auxiliary shaft in a nesting way. The inner ring of the first bearing is fixedly and axially connected with the main shaft sleeve, and the outer ring of the first bearing is fixedly and axially connected with the auxiliary shaft.

Description

Reverse double workhead power drive device and axial positioning structure thereof with one heart
Technical field
The axial positioning structure that the utility model relates to the power drive device of concentric reverse double workhead and is used for reversing with one heart backwards rotation component axial such as double workhead power drive device location.
Background technology
In recent years; Along with the increasing demand to aspects such as working (machining) efficiency and precision on the mechanical industry increases, reverse the power drive device of double workhead with one heart, for example; Cutter with double saw bits, two diamond disk cutting machine, two abrasive disc abrasive machine or two abrasive disc polishing machines etc. have obtained very fast development.For example, cutter with double saw bits (is usually used in engineering material: advantages such as cuttings such as timber, rubber and plastic, iron and steel, aluminium or copper), that cutting process impacts is little, vibrations are little and workpiece heating distortion is little and popularizing rapidly because of it has wide adaptability.Yet in the cutter with double saw bits of prior art, the installing and locating of saw blade especially axial location problem directly influences the service behaviour of cutter with double saw bits.In the reality cutting, the saw blade of two reverse relatively high speed rotations must keep rational gap.The gap is too little, can cause two saw blade frictional heating distortion, influences cut quality and saw life; The gap is too big, and can cause also can influence cut quality and saw life in the middle of two saw blades of cutting material wedging.The utility model has designed a kind of effective mounting structure spare to above-mentioned situation, can accurately control the end play of two saw blades.
Fig. 1 shows the cutter with double saw bits of prior art, and is as shown in Figure 1, and main driven wheel 10 is connected to prime mover (not shown) through the driving shaft (not shown), for example, and motor, gasoline engine or diesel engine etc.This main driven wheel 10 can be bevel gear; Drive first rotating driving device 20 and second rotating driving device 40 simultaneously and on opposite directions, rotate, and then impel connected main shaft 30 and countershaft 70 to rotate around same rotating shaft in the opposite direction around same rotating shaft.Main shaft sleeve 100 rotates with main shaft 30 synchronously.Because second saw blade 80 is installed on the countershaft 70, and first saw blade 90 is installed on the main shaft sleeve 100, thus second saw blade 80 and the also concentric counter-rotating of first saw blade 90, thus the counter-rotating cutting movement of the two saw blades of realization.
As shown in Figure 1, the end face M of countershaft 70 is datum clamp faces of second saw blade 80, and the end face N of main shaft sleeve 100 is datum clamp faces of first saw blade 90.Gap H=between second saw blade 80 and first saw blade 90 (distance between end face M and the end face N) S-(thickness of second saw blade) h.Under the certain situation of the thickness h of second saw blade, the gap between two saw blades is confirming apart from S by end face M and end face N face fully.Yet; In prior art constructions as shown in Figure 1; Countershaft 70 is installed respectively with main shaft sleeve 10; Their axial dimension positioning reference has nothing in common with each other, be difficult to accurately to guarantee between end face M and the end face N apart from S, more be difficult to before installation prevision or detect between end face M and the end face N apart from S.
The utility model content
The application is directed to the technical problem that the end play between the double workhead of power drive device of the concentric reverse double workhead that solves above-mentioned prior art is difficult to guarantee, has proposed to guarantee the power drive device and the axial positioning structure thereof of the concentric reverse double workhead of axial location between the rotatable parts.
The application is provided for reversing with one heart the axial positioning structure of the backwards rotation component axial location of double workhead power drive device; Comprise: main shaft; Rotatable around its axis on first direction of rotation; The end face of its main shaft first end through the main shaft sleeve of socket on it is connected to first working head makes the axis of the end face of this first working head perpendicular to said main shaft, and main shaft second end relative with this main shaft first end is connected first rotating driving device; Countershaft; Be ducted body; Be socketed in this main shaft around; Axis around said main shaft on second direction of rotation opposite with this first direction of rotation is rotatable, and itself and corresponding countershaft first end of said main shaft first end are connected to second working head makes the axis of the end face of this second working head perpendicular to said main shaft, and countershaft second end relative with this countershaft first end is connected second rotating driving device; Clutch shaft bearing; Ring and outer shroud in comprising; The interior ring of this clutch shaft bearing passes through main shaft sleeve and this main shaft socket at the proximal location apart from this main shaft first end preset distance, and the outer shroud of this clutch shaft bearing is in proximal location and this countershaft socket apart from this countershaft first end preset distance; And at least one second bearing; Ring and outer shroud in comprising; The interior ring of this at least one second bearing is in remote location and this main shaft socket apart from this main shaft first end preset distance, and the outer shroud of this at least one second bearing is in remote location and this countershaft socket apart from this countershaft first end preset distance.In said clutch shaft bearing said ring be socketed in said main shaft on said main shaft sleeve between and comprise that axial restraint is connected between the said outer shroud of said clutch shaft bearing and the said countershaft.The axial positioning structure of backwards rotation component axial location that is used for reversing with one heart the double workhead power drive device according to the application; Said axial restraint connects and comprises: said main shaft sleeve can be provided with the shaft shoulder; First end face of the interior ring of said clutch shaft bearing is against this shaft shoulder, and second end face of the interior ring of said clutch shaft bearing can pass through axial limiting spare axial restraint; Said countershaft can comprise the shaft shoulder, and second end face of the outer shroud of said clutch shaft bearing is against this shaft shoulder, and the axle head of first end face of the outer shroud of said clutch shaft bearing and said countershaft is through the Axial Mounting Part axial restraint.
The axial positioning structure of backwards rotation component axial location that is used for reversing with one heart the double workhead power drive device according to the application; Said Axial Mounting Part can comprise through screw and being fixed on the said countershaft end and against the baffle plate of first end face of the outer shroud of said clutch shaft bearing; Perhaps said Axial Mounting Part can comprise the weld seam between first end face of outer shroud of said countershaft axle head and said clutch shaft bearing, and perhaps said Axial Mounting Part can comprise the pin between the outer shroud circumference faying face of said countershaft and said clutch shaft bearing.
According to the application's the axial positioning structure of backwards rotation component axial location that is used for reversing with one heart the double workhead power drive device, said axial limiting spare can comprise and being embedded in the said main shaft sleeve and against the circlip of second end face of the interior ring of said clutch shaft bearing.
According to the application's the axial positioning structure of backwards rotation component axial location that is used for reversing with one heart the double workhead power drive device, said axial limiting spare can comprise and is threaded onto said main shaft sleeve and against the nut of second end face of the interior ring of said clutch shaft bearing.
Through make in said clutch shaft bearing said between the ring and said main shaft and the said outer shroud of said clutch shaft bearing and said countershaft between comprise that axial restraint is connected; Axial error between main shaft and the countershaft depends primarily on bearing error, has significantly reduced main shaft and countershaft and possibly cause the axial processing of error and the dimension chain of assembling.Therefore, improved the assembly precision between first working head and second working head greatly, and can guarantee still can guarantee the axial location between main shaft and the countershaft after long-time the use.
The application also provides concentric reverse double workhead power drive device, and it comprises above-mentioned any one described axial positioning structure.
Concentric reverse double workhead power drive device according to the application can comprise cutter with double saw bits or two abrasive disc abrasive machine and two diamond disk cutting machine.
Through make in said clutch shaft bearing said between the ring and said main shaft sleeve and the said outer shroud of said clutch shaft bearing and said countershaft between comprise that axial restraint is connected; Axial error between main shaft sleeve and the countershaft depends primarily on bearing error, has significantly reduced main shaft and countershaft and possibly cause the axial processing of error and the dimension chain of assembling.Therefore, improved the assembly precision between first working head and second working head greatly, and can guarantee still can guarantee the axial location between main shaft and the countershaft after long-time the use.Such structure applications in cutter with double saw bits or two abrasive disc abrasive machine and two diamond disk cutting machines, can guarantee between two saw blades or two abrasive disc and two diamond disks between the precision of end play.
Description of drawings
Fig. 1 is transmission and the schematic cross-section of mounting structure that the cutter with double saw bits of prior art is shown.
Fig. 2 is the schematic cross-section that the concentric reverse double workhead power drive device major part of the utility model is shown.
Fig. 3 is the schematic cross-section of axial positioning structure of backwards rotation component axial location that is used for reversing with one heart the double workhead power drive device that the utility model is shown.
The label of critical piece and the title table of comparisons
10 main driven wheels
20 first rotating driving devices
30 main shafts
40 second rotating driving devices
50 head capsules
60 head capsules lid
70 countershafts
80 second saw blades
90 first saw blades
100 main shaft sleeves
110 saw blade pressing plates
120 baffle plates
130 clutch shaft bearings
140 locating parts (circlip or nut)
150 screws
160 at least one second bearing
170,180 bearings
The specific embodiment
Below, with describing the novel preferred implementation (hereinafter, being called embodiment) of this use.Description will provide with following order.
1, according to the basic structure and the kind of drive of the power drive device of the concentric reverse double workhead of the utility model.
2, according to the axial positioning structure of power drive device rotatable parts axial location that is used for reversing with one heart double workhead of the utility model.
3, according to the applying examples of the axial positioning structure of the utility model.
1, according to the basic structure and the kind of drive of the power drive device of the concentric reverse double workhead of the utility model
Below, be basic structure and the kind of drive of example description with electronic cutter with double saw bits according to the power drive device of the double workhead of the utility model.
Fig. 2 is the schematic cross-section that the concentric reverse double workhead power drive device major part of the utility model is shown.
As shown in Figure 2, can be cutter with double saw bits, two diamond disk cutting machine, two abrasive disc abrasive machine or two abrasive disc polishing machines etc. according to the concentric reverse double workhead power drive device of the utility model.Their difference only is the difference on the working head part (cutter), and promptly through changing cutter or correspondingly changing base of tool part, cutter with double saw bits, two Buddha's warrior attendant sheet cutting machine, two abrasive disc abrasive machine or two abrasive disc polishing machines etc. can be realized exchanging.Therefore, for for simplicity, the application only is basic structure and the operation principle of example explanation according to the concentric reverse double workhead power drive device of the utility model with the cutter with double saw bits.
As shown in Figure 2, cutter with double saw bits comprises main shaft 30, countershaft 70, clutch shaft bearing 130 and at least one second bearing 160.Main shaft 30 is gone up around its axis rotatable in first direction of rotation (around a direction of rotation of main shaft); Its main shaft 30 first ends (lower end among Fig. 2) are connected to first saw blade 90 through an end face of the main shaft sleeve 100 of socket on it; Summarize again and be called first working head; Make the axis of the end face of first saw blade 90, and main shaft 30 second ends (upper end in Fig. 2) relative with main shaft 30 first ends are connected first rotating driving device 20 (bevel gear) perpendicular to main shaft 30.Countershaft 70 is a ducted body; Be socketed in main shaft 30 around; Axis around main shaft 30 on second direction of rotation opposite with first direction of rotation is rotatable, and itself and corresponding countershaft 70 first ends of main shaft 30 first ends are connected to second saw blade 80, summarizes again and is called second working head; Make the axis of the end face of second saw blade 80, and countershaft 70 second ends relative with countershaft 70 first ends are connected second rotating driving device 40 perpendicular to said main shaft 30.Ring 131 and outer shroud 132 in clutch shaft bearing 130 comprises; The interior ring 131 of clutch shaft bearing 130 passes through main shaft sleeve 100 and main shaft 30 sockets in near-end (bottom among Fig. 2) position apart from main shaft 30 first end preset distances, and the outer shroud 132 of this clutch shaft bearing 130 is in near-end (bottom among Fig. 2) position and countershaft socket apart from countershaft 70 first end preset distances.Ring 161 and outer shroud 162 at least one second bearing 160 comprises; The interior ring 161 of this at least one second bearing 160 is in far-end (top of Fig. 2) position and main shaft 30 sockets apart from the main shaft first end preset distance, and the outer shroud 162 of this at least one second bearing 160 is in far-end (top of Fig. 2) position and 160 sockets of this countershaft apart from this countershaft first end preset distance.Need to prove that this at least one second bearing 160 can be one or more, can accept or reject according to the size of cutting machine, the length of main shaft 30 and the structure of main shaft 30 and countershaft 70.Two second bearings 16 shown in Fig. 2.In addition, also show inner and outer ring among Fig. 2 and connect the 3rd bearing 170 between main shaft 30 and the head capsule 50 respectively.
In order to realize countershaft 70 with respect to relatively rotating between the head capsule lid 60, between them, being provided with ring and outer shroud respectively with the pair of bearings 180 of its socket.
Visible by Fig. 2, cutter with double saw bits also comprises main driven wheel 10, and it is connected to the Power Drive Unit (not shown) through the axle (not shown), and for example, motor, gasoline engine, diesel engine are with rotation under the driving of Power Drive Unit.For example be that the identical bevel gear of modulus cooperates between this main driven wheel 10 and first drive unit 20 and second drive unit 40; Thereby; Under the driving of Power Drive Unit; First drive unit 20 is for example rotated on reciprocal direction of rotation with identical rotating speed with second drive unit 40 with one heart, and this concentric counter-rotating campaign is given first saw blade 90 and second saw blade 80 through main shaft 30 and countershaft 160 transmissions respectively.Therefore, the concentric counter-rotating through first saw blade 90 and second saw blade 80 has realized the cutting to workpiece.Yet the bevel gear that cooperating between main driven wheel 10 and first drive unit 20 and second drive unit 40 is not limited among this embodiment cooperates, and for example, can realize power transmission through the frictional fit between bullet.In addition, the modulus of first drive unit 20 and second drive unit 40 also is not limited to identical modulus, for example, can be different moduluses, thereby realizes the reverse rotating speed that they are different separately, and this can select according to the actual needs in the design.
2, according to the axial positioning structure of power drive device rotatable parts axial location that is used for reversing with one heart double workhead of the utility model
Fig. 3 is the schematic cross-section of axial positioning structure of backwards rotation component axial location that is used for reversing with one heart the double workhead power drive device that the utility model is shown.
As shown in Figure 3, comprise according to the axial positioning structure of power drive device rotatable parts axial location that is used for reversing double workhead with one heart of the utility model: main shaft 30, countershaft 70, main shaft sleeve 100, clutch shaft bearing 130 and at least one second bearing 160.Main shaft 30 is gone up around its axis rotatable in first direction of rotation (around a direction of rotation of main shaft); The end face N of its main shaft 30 first ends (lower end among Fig. 3) through the main shaft sleeve 100 of socket on it is connected to first saw blade 90 makes the axis of end face N perpendicular to main shaft 30, and main shaft 30 second ends (upper end in Fig. 3) relative with main shaft 30 first ends are connected first rotating driving device 20 (bevel gear) (see figure 2).Countershaft 70 is a ducted body; Be socketed in main shaft 30 around; Axis around main shaft 30 on second direction of rotation opposite with first direction of rotation is rotatable; Itself and the corresponding countershaft 70 first end M of main shaft 30 first ends are connected to second saw blade 80 makes the axis of end face M perpendicular to said main shaft 30, and countershaft 70 second ends relative with countershaft 70 first ends are connected second rotating driving device 40.Ring 131 and outer shroud 132 in clutch shaft bearing 130 comprises; The interior ring 131 of clutch shaft bearing 130 passes through main shaft sleeve 100 and main shaft 30 sockets in near-end (bottom among Fig. 3) position apart from main shaft 30 first end preset distances, and the outer shroud 132 of this clutch shaft bearing 130 is in near-end (bottom among Fig. 3) position and countershaft socket apart from countershaft 70 first end preset distances.Ring 161 and outer shroud 162 at least one second bearing 160 comprises; The interior ring 161 of this at least one second bearing 160 is in far-end (top of Fig. 3) position and main shaft 30 sockets apart from the main shaft first end preset distance, and the outer shroud 162 of this at least one second bearing 160 is in far-end (top of Fig. 3) position and 160 sockets of this countershaft apart from this countershaft first end preset distance.Need to prove that this at least one second bearing 160 can be one or more, can accept or reject according to the size of cutting machine, the length of main shaft 30 and the structure of main shaft 30 and countershaft 70.The interior ring 131 of clutch shaft bearing 130 be socketed in main shaft 130 on main shaft sleeve 100 between and comprise that axial restraint is connected between the outer shroud 132 of clutch shaft bearing 130 and the said countershaft 70.Because; First saw blade 90 is connected the end face N of main shaft sleeve 100; And second saw blade 80 is connected the end face M of countershaft 70; So, the interior ring 131 through clutch shaft bearing 130 be socketed in main shaft 30 on main shaft sleeve 100 between and comprise that axial restraint is connected between the outer shroud 132 of clutch shaft bearing 130 and the said countershaft 70, it is whole to make main shaft sleeve 100, clutch shaft bearing 130 and countershaft 70 become the assembling that axial restraint is connected; Guarantee the spacing precision of fit between end face N and the end face M, and then guaranteed the installation accuracy between first saw blade 90 and second saw blade 80.And, in the middle of using,, thereby improved the service behaviour of concentric reverse cutter with double saw bits not because of the axial displacement between main shaft 30 and the countershaft 70 influences the spacing between first saw blade 90 and second saw blade 80.The interior ring 131 of clutch shaft bearing 130 be socketed in main shaft 130 on main shaft sleeve 100 between axial restraint be connected to be included on the main shaft sleeve 100 shaft shoulder 101 can be set; The first end face 130A of the interior ring 131 of clutch shaft bearing 130 is resisted against on the shaft shoulder 101, and the second end face 130B of the interior ring 131 of clutch shaft bearing 130 is fixed on the main shaft sleeve 100 through circlip or the jump ring etc. that are screwed in nut (not shown) on the main shaft sleeve 100, be embedded in the main shaft sleeve 100.On the countershaft 70 shaft shoulder 71 can be set; The second end face 130B of the outer shroud of clutch shaft bearing 130 is resisted against on the shaft shoulder 71; The first end face 130A of the outer shroud of clutch shaft bearing 130 preferably is fixed on the countershaft 70 through the baffle plate that is fixed on by screw on countershaft 70 end faces; Outer shroud 132 excircles that also can be through clutch shaft bearing 130 and the pin between countershaft 70 inwalls, screw etc. are fixed together the two, also can make between the two through being welded to connect.
As shown in Figure 3, the first saw blade mount pad and the main shaft sleeve that preferably have end face N are integrally formed, and an end (lower end shown in Figure 3) of preferred main shaft sleeve extends radially outwardly out, are connected with first saw blade 90 so that form end face N.Yet the utility model is not limited thereto, and the mount pad of first saw blade 90 can be the separate part that is connected with main shaft sleeve.
As shown in Figure 3, the second saw blade mount pad and the countershaft that preferably have the M face are integrally formed, and an end (lower end shown in Figure 3) of preferred countershaft extends radially outwardly out, are connected with second saw blade 80 so that form end face M.Yet the utility model is not limited thereto, and the mount pad of second saw blade can be the separate part that is connected with countershaft.
Referring to Fig. 2 and 3; Cutter with double saw bits according to the utility model; Countershaft 70, clutch shaft bearing 130 and main shaft sleeve 100 are installed in the drive mechanism as a combined structural member, and the axial displacement that this defines between main shaft sleeve 100 and the countershaft 70 can guarantee required distance between end face M and the end face N; And before installation, can detecting and command range S, thereby the gap H between the two saw blades of control.
This combined structural member can be realized through following installation method: baffle plate 120 is enclosed within the main shaft sleeve 100, clutch shaft bearing 130 is pressed on the main shaft sleeve 100, be stuck in or screw or sell on main shaft sleeve 100 with locating part 140, thereby form a subassembly.At least one second bearing 160 is pressed in the countershaft 70; Then aforementioned subassembly is pressed in countershaft 70 holes; Pass through the hole of reservation on the main shaft sleeve 100 at last; With screw 150 that baffle plate 120 is fixing, also available screw, pin etc. are fixed together clutch shaft bearing outer shroud and countershaft 70, thereby form combined structural member.Such sub-assembly is convenient to be detected, and detects qualified assembly and just can be used for having assembled.
3, according to the applying examples of the axial positioning structure of the utility model
Axial positioning structure according to the utility model is fit to be applied to reverse with one heart cutter with double saw bits, reverses in two Buddha's warrior attendant sheet cutting machines or the two abrasive disc abrasive machines of concentric reverse with one heart.Because this axial positioning structure can limit the axial displacement between countershaft and the main shaft sleeve well; Guarantee the spacing between two saw blades, two Buddha's warrior attendant sheet or the double abrasive wheel sheet, thereby improved concentric reverse cutter with double saw bits, the concentric service behaviour that reverses two diamond disk cutting machines or reverse pair abrasive disc abrasive machines with one heart.
Those skilled in the art should be understood that; According to design demand and other factors; The utility model can carry out various modifications, combination, part combines and replacement, and these modifications, combination, part combine and replacement all belongs in the protection domain of the utility model.

Claims (10)

1. axial positioning structure is used for reversing with one heart the backwards rotation component axial location of double workhead power drive device, it is characterized in that, comprising:
Main shaft; Rotatable around its axis on first direction of rotation; The end face of its main shaft first end through the main shaft sleeve of socket on it is connected to first working head makes the axis of the end face of this first working head perpendicular to said main shaft, and main shaft second end relative with this main shaft first end is connected first rotating driving device;
Countershaft; Be ducted body; Be socketed in this main shaft around; Axis around said main shaft on second direction of rotation opposite with this first direction of rotation is rotatable, and itself and corresponding countershaft first end of said main shaft first end are connected to second working head makes the axis of the end face of this second working head perpendicular to said main shaft, and countershaft second end relative with this countershaft first end is connected second rotating driving device;
Clutch shaft bearing; Ring and outer shroud in comprising; The interior ring of this clutch shaft bearing passes through main shaft sleeve and this main shaft socket at the proximal location apart from this main shaft first end preset distance, and the outer shroud of this clutch shaft bearing is in proximal location and this countershaft socket apart from this countershaft first end preset distance; And
At least one second bearing; Ring and outer shroud in comprising; The interior ring of this at least one second bearing is in remote location and this main shaft socket apart from this main shaft first end preset distance, and the outer shroud of this at least one second bearing is in remote location and this countershaft socket apart from this countershaft first end preset distance
In wherein said clutch shaft bearing said ring be socketed in said main shaft on said main shaft sleeve between and comprise that axial restraint is connected between the said outer shroud of said clutch shaft bearing and the said countershaft.
2. axial positioning structure as claimed in claim 1; It is characterized in that; Said axial restraint connects and comprises: said main shaft sleeve is provided with the shaft shoulder; First end face of the interior ring of said clutch shaft bearing is against this shaft shoulder, and second end face of the interior ring of said clutch shaft bearing is through axial limiting spare axial restraint; Said countershaft comprises the shaft shoulder, and second end face of the outer shroud of said clutch shaft bearing is against this shaft shoulder, and the axle head of first end face of the outer shroud of said clutch shaft bearing and said countershaft is through the Axial Mounting Part axial restraint.
3. axial positioning structure as claimed in claim 2 is characterized in that, said Axial Mounting Part comprises through screw and being fixed on the said countershaft end and against the baffle plate of first end face of the outer shroud of said clutch shaft bearing.
4. axial positioning structure as claimed in claim 2 is characterized in that, said Axial Mounting Part comprises the weld seam between first end face of outer shroud of said countershaft axle head and said clutch shaft bearing.
5. axial positioning structure as claimed in claim 2 is characterized in that, said Axial Mounting Part comprises the pin between the outer shroud circumference faying face of said countershaft and said clutch shaft bearing.
6. axial positioning structure as claimed in claim 2 is characterized in that, said axial limiting spare comprises and being embedded in the said main shaft sleeve and against the circlip of second end face of the interior ring of said clutch shaft bearing.
7. axial positioning structure as claimed in claim 2 is characterized in that, said axial limiting spare comprises and is threaded onto said main shaft sleeve and against the nut of second end face of the interior ring of said clutch shaft bearing.
8. one kind is reversed with one heart the double workhead power drive device, it is characterized in that, comprises any one axial positioning structure of claim 1-7.
9. concentric reverse double workhead power drive device as claimed in claim 8 is characterized in that said concentric reverse double workhead power drive device comprises cutter with double saw bits.
10. concentric reverse double workhead power drive device as claimed in claim 8 is characterized in that said concentric reverse double workhead power drive device comprises two diamond disk cutting machines.
CN2011204442949U 2011-11-10 2011-11-10 Concentric reversion dual-working-head power drive device and axial positioning structure thereof Expired - Fee Related CN202377608U (en)

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Application Number Priority Date Filing Date Title
CN2011204442949U CN202377608U (en) 2011-11-10 2011-11-10 Concentric reversion dual-working-head power drive device and axial positioning structure thereof

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Application Number Priority Date Filing Date Title
CN2011204442949U CN202377608U (en) 2011-11-10 2011-11-10 Concentric reversion dual-working-head power drive device and axial positioning structure thereof

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103862102A (en) * 2012-12-11 2014-06-18 苏州宝时得电动工具有限公司 Double-saw blade electric circular saw
WO2014146376A1 (en) * 2013-03-20 2014-09-25 宁波德丰动力科技有限公司 Concentric and reversible mounting apparatus for dual saw blades and dual saw blade cutting machine having mounting apparatus
CN104551221A (en) * 2014-12-03 2015-04-29 浙江亚特电器有限公司 Driving device adapted to integrated rotary bisection saw blade and integrated rotary bisection saw blade
CN105855623A (en) * 2016-04-29 2016-08-17 浙江亚特电器有限公司 Non-integrated rotating hemisecting saw
CN109046648A (en) * 2018-07-13 2018-12-21 安庆市凯立金刚石科技有限公司 A kind of bi-directional cutting device with diamond blade

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103862102A (en) * 2012-12-11 2014-06-18 苏州宝时得电动工具有限公司 Double-saw blade electric circular saw
CN103862102B (en) * 2012-12-11 2016-06-22 苏州宝时得电动工具有限公司 Double; two saw blade electrotrephines
WO2014146376A1 (en) * 2013-03-20 2014-09-25 宁波德丰动力科技有限公司 Concentric and reversible mounting apparatus for dual saw blades and dual saw blade cutting machine having mounting apparatus
CN104551221A (en) * 2014-12-03 2015-04-29 浙江亚特电器有限公司 Driving device adapted to integrated rotary bisection saw blade and integrated rotary bisection saw blade
CN104551221B (en) * 2014-12-03 2017-08-29 浙江亚特电器有限公司 It is adapted to the transmission device and integrated Rotary bisection saw of integrated Rotary bisection saw blade
CN105855623A (en) * 2016-04-29 2016-08-17 浙江亚特电器有限公司 Non-integrated rotating hemisecting saw
CN109046648A (en) * 2018-07-13 2018-12-21 安庆市凯立金刚石科技有限公司 A kind of bi-directional cutting device with diamond blade

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