CN1168573C - Automatic band regulation mechanism - Google Patents

Automatic band regulation mechanism Download PDF

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Publication number
CN1168573C
CN1168573C CNB01126862XA CN01126862A CN1168573C CN 1168573 C CN1168573 C CN 1168573C CN B01126862X A CNB01126862X A CN B01126862XA CN 01126862 A CN01126862 A CN 01126862A CN 1168573 C CN1168573 C CN 1168573C
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CN
China
Prior art keywords
wheel
shift fork
adjusting bracket
regulation mechanism
screw rod
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.)
Expired - Fee Related
Application number
CNB01126862XA
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Chinese (zh)
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CN1342543A (en
Inventor
张天才
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Positec Power Tools Suzhou Co Ltd
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Positec Power Tools Suzhou 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.)
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Priority to CNB01126862XA priority Critical patent/CN1168573C/en
Publication of CN1342543A publication Critical patent/CN1342543A/en
Application granted granted Critical
Publication of CN1168573C publication Critical patent/CN1168573C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The present invention relates to an automatic band regulation mechanism which comprises a casing, a rear wheel, a front wheel, an abrasive band and a wheel bracket, wherein the rear wheel and the front wheel are arranged in the casing; the abrasive band is wound around the front wheel and the rear wheel; the wheel bracket is arranged in the casing and is connected with the front wheel or the rear wheel. The prevent invention is characterized in that the outer side of the front wheel or the rear wheel connected with the wheel bracket is provided with a fork shifting member composed of a fork shifting body, a fulcrum frame connected with the fork shifting body, a band blocking member and a fork shifting rotary shaft; the front side part of the casing is provided with a position regulation apparatus which comprises a regulation frame connected with the fork shifting member and a regulation member sheathed on the regulation frame. Due to the adoption of the technical scheme of the prevent invention, the rotary shaft on the fork shifting body has a large movement range so as to regulate the tensity of the abrasive band between the front wheel and the rear wheel to obtain a balance point. Simultaneously, the automatic band regulation mechanism can be operated and regulated conveniently and flexibly without the need of additional tools. In addition, two fulcrums are in contact with a blocking plate of the bracket, so that a support balance is formed to reduce the abrasion of the abrasive band, and therefore, the prevent invention is very practical.

Description

Automatic band regulation mechanism
Technical field
The present invention relates to a kind of automatic band regulation mechanism, relate in particular to a kind of automatic band regulation mechanism that body surface is polished.
Background technology
In the prior art, U.S. Pat 4177609 discloses a kind of automatic band regulation mechanism, the side end outside of the wheel of this automatic band regulation mechanism is provided with the lever pivotally connected with housing, the effect of seesaw is played at the two ends of this lever, the relative position of described pivot and housing is constant, one side of lever is against on the abrasive band on the wheel, plays the effect of flap part.Because the wheel shaft of two wheels is not parallel, therefore its edge in rotation process, abrasive band can move to the lever direction, one end of lever is outwards moved, and the other end of lever can move inward the support of this wheel of conflicting, make the wheel shaft of two wheels change to parallel direction, then the edge in abrasive band can move to the direction away from lever again, at this moment the other end of the lever support that can leave not only wheel make two wheels wheel shaft but also become not parallel, and the edge in abrasive band can move to the direction of lever, so go round and begin again, can make the abrasive band obtain dynamic balance, wherein the screw on the lever is to be used to regulate this equalization point, and must use instrument when regulating, this balance is unsettled, because the pivot of lever can not move and can only rotate, therefore the mobile range of the other end of lever is limited, for crossing pine or tension or this abrasive band as truncated cone-shaped, or when pressing down the abrasive band energetically when using, then come adjustment (adjusting) lever to be adjusted to poised state to the abrasive band, can cause the abrasive band sideslip on the contrary and can't work by adjustment screw.
Summary of the invention
The object of the present invention is to provide a kind of improved automatic band regulation mechanism, can in a big way, be adjusted to poised state to the abrasive band, make it to obtain the equalization point in two abrasive bands on the wheel.
The object of the present invention is achieved like this:
A kind of automatic band regulation mechanism, comprise housing, be arranged on housing interior trailing wheel and front-wheel, be looped around the abrasive band that is closure state on trailing wheel and the front-wheel, in housing, be provided with a wheel support and back-moving spring thereof, wherein one take turns and be connected in this wheel support and trailing wheel and the front-wheel; Be characterized in:
Wherein outside of taking turns at trailing wheel that is connected with described wheel support and front-wheel is provided with a shift fork spare, this shift fork spare by shift fork body, the fulcrum frame that is connected with the shift fork body, be attached to the flap part of fulcrum frame front side and the shift fork rotating shaft that is arranged on the shift fork body is formed;
Be provided with an apparatus for adjusting position at described housing front side portion, it comprises: an adjusting bracket that is connected with shift fork spare is set in the regulating part on the adjusting bracket.
In above-mentioned automatic band regulation mechanism, wherein, on described front-wheel, be provided with a front axle, described shift fork spare and shift fork body thereof are arranged on the outside of front-wheel; The front end of described wheel support is provided with one and is] the support baffle plate of shape, this support baffle plate is fixedlyed connected with the front axle on the front-wheel; Described shift fork body is pivotally connected on adjusting bracket by the shift fork rotating shaft.
In above-mentioned automatic band regulation mechanism, wherein, the fulcrum of described shift fork spare sets up and is equipped with front fulcrum and rear fulcrum, and two fulcrums are the fulcrum frame of ㄇ shape.
In above-mentioned automatic band regulation mechanism, wherein, the one side of described flap part is fixed on the shift fork body, the EDGE CONTACT in another side and abrasive band.
In above-mentioned automatic band regulation mechanism, wherein, described shift fork rotating shaft is vertically set on the shift fork body, and described adjusting bracket is provided with a hole, and described shift fork rotating shaft is by on the hole that is inserted in adjusting bracket and shift fork spare and apparatus for adjusting position are linked together.
In above-mentioned automatic band regulation mechanism, wherein, described adjusting bracket is L-shaped, and its oblique portion is positioned at housing, and its straight bar part is stretched in outside the housing and in it and is provided with a hole; The described regulating part that is set on the adjusting bracket straight bar part also comprises, one is placed in the screw rod in the adjusting bracket straight bar part endoporus, be to be provided with a swivel nut that is connected with screw rod on the adjusting bracket outside screw rod, swivel nut is outside equipped with the back-moving spring sleeve and is positioned at the outer back-moving spring of back-moving spring sleeve, is establishing a knob with the upper-part overcoat.
In above-mentioned automatic band regulation mechanism, wherein, described screw rod is vertically set on the interior top of knob, and this screw rod and swivel nut are identical closely by threaded engagement; The inner matched in clearance that forms of described adjusting bracket and back-moving spring sleeve.
In above-mentioned automatic band regulation mechanism, wherein, described adjusting bracket is the straight-bar shape, the described regulating part that is set on the adjusting bracket also comprises, one is placed in the screw rod in the adjusting bracket upper hole, at screw rod and adjusting bracket junction is a connecting pin that radially is provided with, and connecting pin links together screw rod and adjusting bracket.
In above-mentioned automatic band regulation mechanism, wherein, in described regulating part, also be provided with a screw, this screw axial and screw rod are spirally connected, and also are provided with a packing ring on screw.
In above-mentioned automatic band regulation mechanism, wherein, described housing middle part extends to form fore-stock and after-poppet to inner chamber, and described wheel support is inserted in fore-stock and the after-poppet upper end hole, the wheel shaft of described trailing wheel is arranged on the housing, and this trailing wheel is connected with power set; Be provided with back-moving spring between after-poppet and wheel support, the rear end of back-moving spring is against on the after-poppet, and the front end of back-moving spring is against on the wheel support.
Automatic band regulation mechanism of the present invention makes it to compare with the automatic band regulation mechanism of prior art owing to adopted above-mentioned technical scheme, has following advantage and good effect:
1. the present invention is because shift fork spare passes through the pivotally connected on adjusting bracket of shift fork body upper shift fork rotating shaft, and being connected of adjusting bracket and apparatus for adjusting position, rotating shaft on the fork body is had in a big way moves, thereby can be according to the abrasive band of not waiting girth, regulate the rate of tension in the abrasive band between former and later two wheels, make it to obtain equalization point;
2, the present invention owing to adopted installs knob and directly regulates pivot in the shift fork rotating shaft with respect to the distance between the housing outside housing, and adjusting is got up convenient, flexible, does not need auxiliary tools just can operate.
3, the present invention in the adjustment process of the dynamic equilibrium when automatic band regulation mechanism turns round, because two fulcrums contact with the support baffle plate, has formed the fulcrum balance owing to be provided with two fulcrums on the shift fork body, has reduced the wearing and tearing in abrasive band.
Description of drawings
By the description of following some embodiment to automatic band regulation mechanism of the present invention, can further understand purpose of the present invention, specific structural features and advantage in conjunction with its accompanying drawing.Wherein, accompanying drawing is:
Fig. 1 is the structural representation after cover plate removes between two wheels among automatic band regulation mechanism first embodiment of the present invention;
Fig. 2 is the sectional structure schematic diagram of A-A direction when the abrasive band is adjusted to poised state among Fig. 1;
Fig. 3 is the sectional structure schematic diagram of A-A direction when the abrasive band is in non-equilibrium state among Fig. 1;
Fig. 4 is that automatic band regulation mechanism second embodiment of the present invention is the structural representation of another kind of apparatus for adjusting position;
Fig. 5 is the amplification sectional structure schematic diagram of the screw rod among second embodiment of abrasive band and adjusting bracket connection among Fig. 4;
Fig. 6 is that automatic band regulation mechanism the 3rd embodiment of the present invention is the structural representation of the third apparatus for adjusting position;
Fig. 7 is the amplification sectional structure schematic diagram of the screw rod among automatic band regulation mechanism the 3rd embodiment and adjusting bracket connection among Fig. 6.
The specific embodiment
See also shown in Figure 1ly, this is the structural representation after cover plate removes between two wheels among automatic band regulation mechanism first embodiment of the present invention.Wherein, the wheel shaft 51 of front-wheel 5 is connected with wheel support 100, and abrasive band 3 is looped around on front-wheel 5 and the trailing wheel 4.
Please cooperate Fig. 1 and Fig. 1, referring to Fig. 2, shown in Figure 3, wherein, Fig. 2 is the sectional structure schematic diagram of A-A direction when the abrasive band is adjusted to poised state among Fig. 1, and Fig. 3 is the sectional structure schematic diagram of A-A direction when the abrasive band is in non-equilibrium state among Fig. 1.Automatic band regulation mechanism of the present invention, comprise housing 2, be arranged on trailing wheel 4 and front-wheel 5 in the housing 2, be looped around the abrasive band that is closure state 3 on trailing wheel 4 and the front-wheel 5, also comprise, be positioned at a wheel support 100 and the back-moving spring 24 thereof of housing 2, be arranged on a wherein shift fork spare 200 of taking turns the outside of trailing wheel 4 and front-wheel 5, an apparatus for adjusting position 300 that is provided with at housing 2 front side portions.Wherein,
Described wheel support 100 is arranged in the housing 2, wherein one take turns and be connected in this wheel support 100 and trailing wheel 4 and the front-wheel 5, in the present invention, wheel support 100 is connected with front-wheel 5, in the present embodiment, the front end of this wheel support 100 is provided with one and is] the support baffle plate 110 of shape, it is positioned at the outside of its right end face of front-wheel 5, this support baffle plate 110 is positioned at the outside of its right end face of front-wheel 5, and support baffle plate 110 is fixedlyed connected with the front axle 51 of front-wheel 5; Extend to form a fore-stock 22 and an after-poppet 23 at described housing 2 middle part inner chambers, wheel support 100 is to connect by being inserted in fore-stock 22 and an after-poppet 23 upper end holes; The wheel shaft of trailing wheel 4 is arranged on the housing 2, and is connected with power set; Between after-poppet 23 and wheel support 100, be provided with back-moving spring 24, the rear end of back-moving spring 24 is against on the after-poppet 23, the front end of back-moving spring 24 is against on the rear side of wheel support 100, back-moving spring 24 provides a kind of power, ordering about wheel support 100 tends to move to shift fork body 210 directions all the time, simultaneously, the tensioning abrasive band 3;
Described shift fork spare 200 comprises: be arranged on the shift fork body 210 on front-wheel 5 one sides; One shift fork rotating shaft 240 vertically is set on shift fork body 210, is used for being connected, to adjust the distance between housing 2 and the shift fork body 210 with apparatus for adjusting position 300; One fulcrum frame 220 is set on shift fork body 210, this fulcrum frame 220 is the ㄇ shape, and be positioned at wheel support 100 front ends] outside of the support baffle plate 110 of shape, front fulcrum 221 and rear fulcrum 222 can be a contact or face contact or line contact with contacting of support baffle plate 110; Also connect a flap part 230 on the shift fork body 210, these flap part 230 1 end faces and shift fork body are fixed together the EDGE CONTACT in another side and abrasive band.
Described apparatus for adjusting position 300 is arranged on housing 2 front side portions, and it comprises: an adjusting bracket 310 and the regulating part 320 that is set on the adjusting bracket 310 are formed; This adjusting bracket 310 is L-shaped, the straight bar part of adjusting bracket 310 is stretched in outside the housing 2, be provided with a hole in it, the oblique portion of adjusting bracket 310 is positioned at housing 2, also be provided with a hole on it, described shift fork body 210 is by in the hole that its shift fork rotating shaft 240 is connected adjusting bracket 310 oblique portions and shift fork spare 200 and apparatus for adjusting position 300 are combined; Described regulating part 320 comprises, one is arranged on the screw rod 321 in the adjusting bracket 310 straight bar part holes, outside screw rod 321 be provided with on the adjusting bracket 310 one with swivel nut 322, the external screw thread of the internal thread of this swivel nut 322 and screw rod 321 is identical closely, be outside equipped with a back-moving spring sleeve 323 and a back-moving spring 324 that is positioned at outside the back-moving spring sleeve 323 at swivel nut 322, back-moving spring sleeve 323 forms matched in clearance with the inside of adjusting bracket 310, a sheathed knob 325 outside above-mentioned parts, 321 of described screw rods are vertically set on the interior top of knob 325, therefore rotate knob 325, screw rod 321 is moved up and down, thereby adjust the rotating shaft 240 of shift fork body and the relative position between the housing 2, make abrasive band 3 be in horizontal state.
See also shown in Figure 2ly, Fig. 2 is the structural representation that abrasive band 3 is in stable duty among the present invention.In the present embodiment of Fig. 2, described wheel support 100 is fixedlyed connected with the front axle 51 of front-wheel 5, support baffle plate 110 is positioned at the outside of its right end face of front-wheel 5, this support baffle plate 110 is positioned at the outside of its right end face of front-wheel 5, and the outer surface of support baffle plate 110 is parallel to the axial line of shift fork rotating shaft 240 haply; Described shift fork body 210 is arranged on the right-hand end outside of front-wheel 5, and shift fork body 210 is provided with the flap part 230 in retaining outside, edge of 3 in the abrasive band, and shift fork body 210 is articulated on the adjusting bracket 301 by shift fork rotating shaft 240 pivots; Apparatus for adjusting position 300 is used to regulate between shift fork rotating shaft 240 and the housing 2 along the relative position of the direction of the axial line of front-wheel 5; When the axial line of this shift fork rotating shaft 240 departs from the axial line of front-wheel 5 rotating shafts 51 backward or forward, make front fulcrum 221, rear fulcrum 222, flap part 230 longer apart from the arm of force that shift fork rotating shaft 240 forms, thus the balance of regulating abrasive band 3.
Please in conjunction with Fig. 2 referring to shown in Figure 3, Fig. 3 is the structural representation when abrasive band 3 is in non-equilibrium state among the present invention.In the present embodiment of Fig. 3, back-moving spring axle 25 and after-poppet 23 contacted positions at wheel support 100 rear portions, wheel support 100 can be done minimum rotation with respect to this contacted position, makes that the angle between the axial line of the axial line of front-wheel 5 and trailing wheel 4 is regulated; Because abrasive band 3 is in unsettled duty, move outside the edge in abrasive band 3 and make rear fulcrum 222 be against on the support baffle plate 110, then wheel support 100 is done counterclockwise to rotate, and the right part of front-wheel 5 forwards is offset, make the outward flange in abrasive band 3 move inward, reach the state of balance.
Please in conjunction with Fig. 2 and Fig. 3, referring to Fig. 4 and shown in Figure 5, wherein, Fig. 4 is that automatic band regulation mechanism second embodiment of the present invention is the structural representation of another kind of apparatus for adjusting position, and Fig. 5 then is the amplification sectional structure schematic diagram of screw rod and adjusting bracket connection among Fig. 4.What the embodiment of the embodiment of Fig. 4 and Fig. 5 and Fig. 2 and Fig. 3 was different is, in the present embodiment, described adjusting bracket 310 is the straight-bar shape, stretch in outside the housing 2 on its top, its underpart is positioned at housing 2, shift fork spare 200 is hubbed in adjusting bracket 310 bottom holes by shift fork rotating shaft 240 and combines with apparatus for adjusting position 300, screw rod 321 is arranged in adjusting bracket 310 upper holes, what be connected with adjusting bracket 310 at screw rod 321 is one a connecting pin 326 to be set radially, to save frame 310 with being spirally connected of screw rod 321 by connecting pin 326 links together with regulating part 320, and, connecting pin 326 can be rotated in the circumferential apertures in the screw rod 321, and to make screw rod 321 can serve as that axle rotates with the axial line of screw rod with respect to adjusting bracket 310, and make screw rod 321 can drive adjusting bracket 310 to move axially.
Please in conjunction with Fig. 2,4,5,6, referring to Fig. 6 and shown in Figure 7, wherein, Fig. 6 is that automatic band regulation mechanism the 3rd embodiment of the present invention is the structural representation of the third apparatus for adjusting position, and Fig. 7 is the amplification sectional structure schematic diagram of screw rod and adjusting bracket connection among Fig. 6.What the embodiment of the embodiment of Fig. 6 and Fig. 7 and Fig. 2 and Fig. 3 and Fig. 4 and Fig. 5 was different is, in described regulating part 320, also be provided with a screw 327, screw 327 is provided with a packing ring 328, this screw 327 axially is screw-coupled to the end of screw rod 321, utilize the gap between stage clip sleeve 323 and the adjusting bracket 10, make that screw rod 321 can be with respect to the axial line axial rotation of adjusting bracket 310 with screw rod 321, and drive adjusting bracket 310 and move axially.
Automatic band regulation mechanism of the present invention is work like this:
When original state, knob 325 in position of rotation adjusting device 300 regulating parts 320, screw rod 321 is moved up and down, regulate relative position between shift fork rotating shaft 240 and the housing 2 thus to optimum state, thereby adjusted relative angle and relative position between the front and back wheel, made the running of automatic band regulation mechanism be in initial poised state.
When automatic band regulation mechanism in the running, because the outside of the vertical center line of front and back wheel center line is partial in back-moving spring 24 positions on the wheel support 100, cause the distance in the front and back wheel outside to be slightly larger than inboard distance, so, the abrasive band is always tended to move to the inside in operation process, like this, flap part 230 on inside edge, the abrasive band contact shift fork body 210, rear fulcrum 222 on the shift fork body 210 just at first contacts support baffle plate 110, the support baffle plate is rotated counterclockwise, front-wheel is promoted laterally, and along with the frictional force on the front-wheel, also move laterally in the abrasive band, at this moment, front fulcrum 221 on the shift fork body 210 has also contacted support baffle plate 110, forms dynamic 2 stable contacts, and the automatic band regulation mechanism running is in poised state.Automatic band regulation mechanism owing to be subjected to the external force effect, can constantly be broken this balance in the course of the work, and subsequently, the abrasive band is tended to again move to the inside, and the action above repeating forms new dynamic equilibrium.
In sum, automatic band regulation mechanism of the present invention is because shift fork spare passes through the pivotally connected on adjusting bracket of shift fork body upper shift fork rotating shaft, and being connected of adjusting bracket and apparatus for adjusting position, rotating shaft on the fork body is had in a big way moves, thereby can be according to the girth in different abrasive bands, regulate the rate of tension in the abrasive band between former and later two wheels, make it to obtain equalization point; Simultaneously, knob is installed outside housing is directly regulated pivot in the shift fork rotating shaft with respect to the distance between the housing owing to adopted, adjusting is got up convenient, flexible, does not need auxiliary tools just can operate; In addition,, in the adjustment process of the dynamic equilibrium when automatic band regulation mechanism turns round,, formed the fulcrum balance, reduced the wearing and tearing in abrasive band because two fulcrums contact with the support baffle plate owing to be provided with two fulcrums on the shift fork body; Therefore, very practical.

Claims (10)

1. automatic band regulation mechanism, comprise housing (2), be arranged on housing (2) interior trailing wheel (4) and front-wheel (5), be looped around the abrasive band that is closure state (3) on trailing wheel (4) and the front-wheel (5), in housing (2), be provided with a wheel support (100) and back-moving spring (24) thereof, wherein one take turns and be connected in this wheel support (100) and trailing wheel (4) and the front-wheel (5); It is characterized in that:
Wherein outside of taking turns at trailing wheel (4) that is connected with described wheel support (100) and front-wheel (5) is provided with a shift fork spare (200), this shift fork spare (200) by shift fork body (210), the fulcrum frame (220) that is connected with shift fork body (210), be attached to the flap part (230) of fulcrum frame (220) front side and the shift fork rotating shaft (240) that is arranged on the shift fork body (210) is formed;
Be provided with an apparatus for adjusting position (300) at described housing (2) front side portion, it comprises: an adjusting bracket (310) that is connected with shift fork spare (200) is set in the regulating part (320) on the adjusting bracket (310).
2. automatic band regulation mechanism as claimed in claim 1 is characterized in that: be provided with a front axle (51) on described front-wheel (5), described shift fork spare (200) and shift fork body (210) thereof are arranged on the outside of front-wheel (5); The front end of described wheel support (100) is provided with one and is] the support baffle plate (110) of shape, this support baffle plate (110) is fixedlyed connected with the front axle (51) on the front-wheel (5); Described shift fork body (210) is pivotally connected on adjusting bracket (310) by shift fork rotating shaft (240).
3. automatic band regulation mechanism as claimed in claim 1 or 2 is characterized in that: the fulcrum frame (220) of described shift fork spare (200) is provided with front fulcrum (221) and rear fulcrum (222), and two fulcrums constitute the ㄇ shape.
4. automatic band regulation mechanism as claimed in claim 1 is characterized in that: the one side of described flap part (230) is fixed on the shift fork body (210), the EDGE CONTACT in another side and abrasive band.
5. automatic band regulation mechanism as claimed in claim 1, it is characterized in that: described shift fork rotating shaft (240) is vertically set on the shift fork body (210), described adjusting bracket (310) is provided with a hole, and described shift fork rotating shaft (240) is by on the hole that is inserted in adjusting bracket (310) and shift fork spare (200) and apparatus for adjusting position (300) are linked together.
6. automatic band regulation mechanism as claimed in claim 1 is characterized in that: described adjusting bracket (310) is L-shaped, and its oblique portion is positioned at housing (2), and its straight bar part is stretched in outside the housing (2) and in it and is provided with a hole; The described regulating part (320) that is set on adjusting bracket (310) straight bar part also comprises, one is placed in the screw rod (321) in adjusting bracket (310) the straight bar part endoporus, be to be provided with a swivel nut (322) that is connected with screw rod (321) on the adjusting bracket (310) outside screw rod (321), swivel nut (322) is outside equipped with back-moving spring sleeve (323) and is positioned at the outer back-moving spring (324) of back-moving spring sleeve (323), is establishing a knob (325) with the upper-part overcoat.
7. automatic band regulation mechanism as claimed in claim 6 is characterized in that: described screw rod (321) is vertically set on the interior top of knob (325), and this screw rod (321) is identical closely by threaded engagement with swivel nut (322); Described adjusting bracket (310) and the inner matched in clearance that forms of back-moving spring sleeve (323).
8. automatic band regulation mechanism as claimed in claim 1, it is characterized in that: described adjusting bracket (310) is the straight-bar shape, the described regulating part (320) that is set on the adjusting bracket (310) also comprises, one is placed in the screw rod (321) in adjusting bracket (310) upper hole, in screw rod (321) and adjusting bracket (310) junction is a connecting pin (326) that radially is provided with, and connecting pin (326) links together screw rod (321) and adjusting bracket (310).
9. automatic band regulation mechanism as claimed in claim 1 is characterized in that: in described regulating part (320), also be provided with a screw (327), this screw (327) axially and screw rod (321) be spirally connected, on screw (327), also be provided with a packing ring (328).
10. automatic band regulation mechanism as claimed in claim 1, it is characterized in that: described housing (2) middle part extends to form fore-stock (22) and after-poppet (23) to inner chamber, described wheel support (100) is inserted in fore-stock (22) and after-poppet (23) upper end hole, the wheel shaft of described trailing wheel (4) is arranged on the housing (2), and this trailing wheel (4) is connected with power set; Be provided with back-moving spring (24) between after-poppet (23) and wheel support (100), the rear end of back-moving spring (24) is against on the after-poppet (23), and the front end of back-moving spring (24) is against on the wheel support (100).
CNB01126862XA 2001-09-26 2001-09-26 Automatic band regulation mechanism Expired - Fee Related CN1168573C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB01126862XA CN1168573C (en) 2001-09-26 2001-09-26 Automatic band regulation mechanism

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Application Number Priority Date Filing Date Title
CNB01126862XA CN1168573C (en) 2001-09-26 2001-09-26 Automatic band regulation mechanism

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Publication Number Publication Date
CN1342543A CN1342543A (en) 2002-04-03
CN1168573C true CN1168573C (en) 2004-09-29

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Publication number Priority date Publication date Assignee Title
CN103029023A (en) * 2013-01-07 2013-04-10 齐齐哈尔华工机床有限公司 Device for correcting deviation of abrasive belts

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