CN2597421Y - Elastic supporting roller - Google Patents

Elastic supporting roller Download PDF

Info

Publication number
CN2597421Y
CN2597421Y CNU032148860U CN03214886U CN2597421Y CN 2597421 Y CN2597421 Y CN 2597421Y CN U032148860 U CNU032148860 U CN U032148860U CN 03214886 U CN03214886 U CN 03214886U CN 2597421 Y CN2597421 Y CN 2597421Y
Authority
CN
China
Prior art keywords
roll body
wirerope axis
axle
axis
bearing
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
CNU032148860U
Other languages
Chinese (zh)
Inventor
刘晓龙
阎振友
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CNU032148860U priority Critical patent/CN2597421Y/en
Application granted granted Critical
Publication of CN2597421Y publication Critical patent/CN2597421Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Rolls And Other Rotary Bodies (AREA)

Abstract

The utility model relates to an elasticity support roller which is composed of a steel wire rope shaft, two rotating components that are connected between the end part of the steel wire rope shaft and a bracket, and an intermediate roller body between the two rotating components. The intermediate roller body can be a plurality of driven wheels that are fixed on the steel wire shaft by interval, also can be the integrated stretching spring roller body that is fixedly connected with the two rotating components. The rotating components can adopt a lateral roller body that is composed of a bearing chamber assemble, a rotary bowl, and a fixing component that is fixed on the ends of the steel wire. The bearing chamber assemble of the lateral roller body is composed of a shaft, a sealed component, a single way pushing bearing and a rotating shaft. The lateral roller body is clamped and arranged inside the slope clamping groove of the bracket through the shaft and the cross shaft as well as the nut on the shaft for the bearing shaft. The support roller used for the belt conveyor not only has the performances of fine flexibility, elasticity, groove forming and buffering, but also the excellent anti impacting performance.

Description

Elastic supporting roller
Affiliated technical field
The utility model relates to the transportation device band conveyor, particularly a kind ofly is used for Elastic supporting roller on the band conveyor, that have good flexibility, elasticity, cushion characteristic and shock resistance.
Background technology
Band conveyor is widely used, many occasion load-transfer devices load that will withstand shocks, and require idler for belt conveyer to have better elastic, flexibility, cushion characteristic this moment, and the ability that withstands shocks and load.
China's utility model patent communique the 11st volume, the patent that discloses " flexibly connecting idler pulley " No. 01, the patent No.: ZL 94210192.8, Granted publication number: CN 2186732Y.Its purpose provides a kind of idler pulley that flexibly connects; It adopts the union piece of steel rope as each idler pulley, and each idler pulley and steel rope are fixed together, and link into an integrated entity.The steel rope two ends are to be bolted in the rotating shaft that bearing is housed.Idler pulley is axle with the steel rope and rotates together with steel rope in the work.Its deficiency is that the idler pulley width is big, number is less, can not give full play to flexibility and elasticity and then the raising cushion characteristic and the shock resistance of wirerope axis.
Fuxin Mining Technology College developed " prestress Elastic supporting roller ", number of patent application: 94201027.1.Its adopts spring to make roll body, replaces the rigidity carrying roller, and its two ends are connected on the rotatable parts that tape spool holds.Rotatable parts are connected and fixed by its axle on the support.The spring roll body has good flexibility, elasticity and cushion characteristic, can produce excessive stretch bending distortion when thump is loaded but bear.Shock resistance has much room for improvement.
Summary of the invention
In order to overcome the existing not high deficiency of Elastic supporting roller shock resistance, the utility model provides a kind of Elastic supporting roller, and this carrying roller not only has good flexibility, elasticity and cushion characteristic, and has favorable shock resistance.
The technical scheme that its technical matters that solves the utility model adopts is:
By wirerope axis, be connected between wirerope axis termination and the support and be equipped with in the Elastic supporting roller that two rotatable parts of bearing, middle roll body between two rotatable parts form, roll body adopts spaced apart, the quantity that are fixed on the wirerope axis to be at least five flower wheel in the middle of it; Perhaps adopt and be connected and fixed on two integrally stretching spring roll bodies on the rotatable parts.
It is connected between wirerope axis termination and the support and the rotatable parts employing side roll body of bearing is housed.The side roll body is made of bearing chamber assembly, roller, steel rope termination fixed parts.The bearing chamber assembly is by axle, be assemblied in dust-break lid, forced filling oil cup, poted assemblies, end cap, circlip for shaft, carrying roller end cap, single direction thrust ball bearing, single-row radial ball bearing on the axle from outside to inside successively, and composition such as spacer of bearing, bearing chamber.On the axle of bearing chamber assembly transverse axis and nut are housed, the bearing chamber assembly is installed in the oblique draw-in groove of support upper end by axle, transverse axis and nut.
The technical scheme that its technical matters that solves the utility model adopts can also be:
The flower wheel of Elastic supporting roller is uniform on wirerope axis, has bolt and wirerope axis to fix on its wheel hub, has on the wheel rim and the corresponding through hole in the position of bolt.Between each flower wheel and between flower wheel and the side roll body, the spacer that is enclosed within on the wirerope axis is arranged.
The steel rope termination fixed parts of Elastic supporting roller is the bearing chamber and the platen of bearing chamber assembly, and fastener bolt of the two and spring washer; On the faying face of bearing chamber and platen, the corresponding radial groove in several positions is arranged respectively, accompany the steel wire rope head of wirerope axis share split in the hole of groove amalgamation, there is a circular hole in platen central authorities, use for the reeve axle.
The fixed parts of wirerope axis termination Elastic supporting roller, the band flower wheel is end plate and the roll body location guide pin bushing in the side roll body roller, and fastener bolt of the two and spring washer.On end plate and the roll body location guide pin bushing faying face the cooresponding radial groove in several positions is arranged respectively, accompany the steel wire rope head of wirerope axis share split in the hole of groove amalgamation; The two can slide along the roller inwall.The guide pin bushing spring abutment of roll body location guide pin bushing opposite side central authorities and is equipped with a spring on the end cap spring abutment of the inboard central authorities of end cap.Respectively there are a central through hole in roll body location guide pin bushing, end cap central authorities, locate guide pin bushing, guide pin bushing spring abutment, spring, end cap, the end cap spring abutment from roll body for wirerope axis and pass.
Side roll body Elastic supporting roller, that be connected and fixed with integrally stretching spring roll body, its roller external peripheral surface has and the corresponding spiral groove of integrally stretching spring roll body.The fixed parts of wirerope axis termination adopts the wire clips axle of straight pin shape and the wirerope axis termination is tightened to the wire clips of button.The head of wire clips axle is installed on by platen with in the cavity that dish forms.Wire clips axle axostylus axostyle with holes is stretched out, is connected with the sling of wirerope axis termination by the centre hole of platen.Platen, on the fastening end face that is connected in roller of dish.
The beneficial effects of the utility model are:
1. adopt a plurality of driven crop rotation intermediate calender rolls body on the wirerope axis, can adapt to the flexibility and the elasticity of wirerope axis better, have better groove forming character, increase cushion characteristic, improve shock resistance.
2. for flexible, elasticity and the groove forming character good middle roll body of integrally stretching spring roll body, the effect of wirerope axis is the excessive tensile deformation of restraining spring roll body, the impact resistance of raising spring roll body.
Description of drawings
Fig. 1 is the structural representation master cutaway view of the utility model Elastic supporting roller embodiment 1
Fig. 2 is the structural representation master cutaway view of the side roll body of Fig. 1 Elastic supporting roller
Fig. 3 is the structural representation master cutaway view of the utility model Elastic supporting roller embodiment 2 inner spring side carrying rollers
Fig. 4 is the structural representation front view of the utility model Elastic supporting roller embodiment 3
Fig. 5 is the structural representation master cutaway view that connects the side roll body of integrally stretching spring roll body among Fig. 4
Among the figure: the 1-nut, the 2-transverse axis, 3-has the side roll body of bearing chamber assembly, the 4-spacer, the 5-bolt, the 6-wirerope axis, the 7-flower wheel, the 8-support, the 9-axle, the 10-bolt, 11-dust-break lid, the 12-forced filling oil cup, the 13-bolt, the 14-spring washer, the 15-labyrinth seal assembly, the 16-end cap, the 17-circlip for shaft, 18-carrying roller end cap, the 19-single direction thrust ball bearing, the 20-single-row radial ball bearing, the 21-spacer, the 22-bearing chamber, the 23-roller, the 24-bolt, the 25-spring washer, the 26-platen, the 27-bolt, the 28-spring washer, 29-bearing chamber assembly, the 30-end plate, 31-roll body location guide pin bushing, the 32-spring, 33-guide pin bushing spring abutment, 34-end cap spring abutment, the 35-end cap, the 36-roller, the 37-bolt, the 38-spring washer, the 39-bolt, the 40-spring washer, 41-connects the side roll body of spring roll body, 42-integrally stretching spring roll body, the 43-roller, 44-is every dish, the 45-platen, the 46-bolt, the 47-spring washer, 48-wire clips axle, the 49-wire clips.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
Embodiment 1:
Fig. 1 illustrates a kind of version of the utility model Elastic supporting roller.It mainly is made up of the side roll body (3) that has the bearing chamber assembly, wirerope axis (6), flower wheel (7) etc.Middle roll body is the flower wheel (7) that is fixed on the wirerope axis (6).Wirerope axis (6) is made roller carrier shaft, and its two ends and side roll body (3) link, and two side roll bodies (3) are by its axle (9), and nut (1), transverse axis (2), packing ring on the axle (9) are installed on the support (8).Transverse axis (2) is the step axle, and there is a circular hole radially at the middle part, inserts axle (9) in the hole, and two nuts (1) are installed on that axle (9) is gone up, the back of the body is tightly locking mutually, and be the spacing and adjustment of transverse axis (2); The position of transverse axis (2) both sides band groove is installed in the oblique draw-in groove on support (8) top that channel-section steel makes, and tiltedly can rotate around the axle center of self in the draw-in groove; Channel-section steel support (8) top middle portion has corresponding break slot, for the usefulness that swings up and down of installation shaft (9) and axle (9).Eight uniform flower wheels (7) are housed on the wirerope axis (6), and flower wheel (7) is fixed on the wirerope axis (6) by the bolt (5) on its wheel hub, has on the wheel rim and the cooresponding through hole in bolt (5) position, uses for binding bolt (5).Between each flower wheel (7) and between flower wheel (7) and the bearing chamber assembly (3), the spacer (4) that is enclosed within on the wirerope axis (6) is arranged, flower wheel (7) is separated.
Fig. 2 illustrates the structure of Fig. 1 Elastic supporting roller side roll body (3).It mainly is made up of bearing chamber assembly, roller (23), platen (26).The bearing chamber assembly is made up of axle (9), poted assemblies (15), end cap (16), single direction thrust ball bearing (19), single-row radial ball bearing (20), bearing chamber (22) etc.
The outer end of axle (9) is threaded, for nut (1) usefulness is installed, the end, outer end have mill flat; The inner of axle (9) is arranged in bearing chamber (22).To the inner of axle (9), dust-break lid (11), labyrinth seal assembly (15), end cap (16), circlip for shaft (17), carrying roller end cap (18), single direction thrust ball bearing (19) and two single-row radial ball bearings (20) are housed successively on axle (9) from the middle part of axle (9).Separate by spacer (21) between two single-row radial ball bearings (20), on the external diameter of two single-row radial ball bearings (20) and spacer (21) and the inner external diameter of end cap (16), be with bearing chamber (22).Bearing chamber (22) combines fastening by bolt (24), spring washer (25), bolt (27), spring washer (28) with platen (26).On the faying face of bearing chamber (22) and platen (26), have respectively that several are uniform, the position is corresponding, the groove of triangular section radially, accompany the steel rope termination of wirerope axis (6) in the square opening of groove amalgamation through share split.There is a circular hole in the central authorities of platen (26), and wirerope axis (6) passes through this hole.
Dust-break lid is equipped with bolt (10), forced filling oil cup (12) on (11), and forced filling oil cup (12) is connected with oil hole in the axle (9), and bolt (10) is anchored on dust-break lid (11) on spool (9).Carrying roller end cap (18) is loaded on the outer end external diameter of end cap (16), and roller (23) is loaded on the external diameter of carrying roller end cap (18), end cap (16), bearing chamber (22) and platen (26).Carrying roller end cap (18) welds mutually with roller (23), and by bolt (13), spring washer (14) and end cap (16), the fastening connection of bearing chamber (22).
Embodiment 2:
Wirerope axis (6), the flower wheel (7), all identical with the connector of support (8) of this example and Elastic supporting roller shown in Figure 1, different only is that side roll body (3) replaces the inner spring roll body that tape spool holds chamber assembly.
Fig. 3 illustrates the structure of inner spring roll body.It mainly is made up of bearing chamber assembly (29), end plate (30), roll body location guide pin bushing (31), spring (32), end cap (35), roller (36) etc.
Bearing chamber assembly (29) is made up of axle (9), dust-break lid, forced filling oil cup, labyrinth seal assembly, end cap, circlip for shaft, carrying roller end cap (18), single direction thrust ball bearing, two single-row radial ball bearings, bearing chamber, spacers.But its bearing chamber is different with bearing chamber (22), and it does not combine, clamps wirerope axis (6) share split steel wire rope head with platen is fastening.The parts that clamp wirerope axis (6) share split steel wire rope head change end plate (30) and roll body location guide pin bushing (31) into.The structure of end plate (30) and roll body location guide pin bushing (31) faying face is identical with the structure of bearing chamber (22), platen (26) faying face.End plate (30) is by bolt (37), spring washer (38), bolt (39), spring washer (40) and fastening combination of roll body location guide pin bushing (31).In the square opening of the groove amalgamation on the two faying face, clamp wirerope axis (6) share split steel wire rope head; The two can slide along the inwall of roller (36).There is guide pin bushing spring abutment (33) in the opposite side central authorities of roll body location guide pin bushing (31), and spring (32) is housed on the guide pin bushing spring abutment (33), and the other end of spring (32) is contained on the end cap spring abutment (34), and end cap spring abutment (34) is positioned at the inboard central authorities of end cap (35).End cap (35) is positioned at roller (36) end, and end cap (35) center is with holes.Wirerope axis (6) passes in (34) from the centre hole of the centre hole of roll body location guide pin bushing (31), end cap (35) and guide pin bushing spring abutment (33), spring (32), end cap spring abutment.
Embodiment 3:
Fig. 4 illustrates the utility model Elastic supporting roller another kind, and form---middle roll body is the structure of integrally stretching spring roll body.It mainly is made up of the side roll body (41) of integrally stretching spring roll body (42), wirerope axis (6), connection spring roll body.The two ends of integrally stretching spring roll body (42) are connected and fixed with the side roll body (41) that the tape spool that is positioned at both sides holds chamber assembly.Both sides roll body (41) is installed on the support (8) by nut (1), transverse axis (2), the packing ring on its axle (9) and the axle (9), and is identical with embodiment 1.Wirerope axis (6) is positioned at spring roll body (42), and its two ends and two side roll bodies (41) link.The wirerope axis (6) of this moment has not been the effect of rotating shaft, but plays the overflexing distortion of restraining spring roll body.
Fig. 5 illustrates the structure of the side roll body (41) of Elastic supporting roller embodiment 3.It is mainly by the bearing chamber assembly, form every dish (44), platen (45), wire clips axle (48), wire clips (49).Its bearing chamber assembly mainly is made up of axle (9), dust-break lid (11), forced filling oil cup (12), labyrinth seal assembly (15), circlip for shaft (17), carrying roller end cap (18), single direction thrust ball bearing (19), two single-row radial ball bearings (20), roller (43).Basic identical with the structure of the bearing chamber assembly of embodiment 1 side roll body (3).Different is, its roller (43) external peripheral surface has spiral groove, and the pitch of spiral groove is corresponding with the internal diameter of integrally stretching spring roll body (42) with width, so that the two is connected and fixed; The inner chamber of roller (43) is as bearing chamber.Roller (43) is connected the end face of an end with wirerope axis (6), by bolt (46), spring washer (47) with every dish (44), the fastening connection of platen (45).There is a circular hole in platen (45) central authorities, are inserted with the wire clips axle (48) of a straight pin shape in the hole, and the cylinder head of wire clips axle (48) is stuck in by in the cavity that forms every dish (44), platen (45).The axle portion of wire clips axle (48) has a circular hole radially, and the termination of wirerope axis (6) is passed in this hole and is tightened to button with wirerope axis (6) with wire clips (49), links with the axostylus axostyle of wire clips axle (48).
Embodiment 4:
The side roll body (3) that the structure of two side roll bodies of this routine Elastic supporting roller and tape spool hold chamber assembly is basic identical, and different only is that the outer round surface of roller has spiral groove, and is identical with the outer round surface of roller (43).And the middle roll body between two side roll bodies adopts integrally stretching spring roll body (42).The two ends of wirerope axis (6) are by bearing chamber (22) and platen (26) clamping, and fastening by bolt, spring washer.
Principle of work:
1. the side roll body of Elastic supporting roller both sides (3,41) had both worked to connect wirerope axis (6) on support (8), played the side carrying roller effect of rotating around axle (9) again.Side roll body (3,41) can be with the axis swing of its axle (9) around transverse axis (2), to adapt to the flexibility of wirerope axis (6).
2. the bearing chamber assembly of side roll body is made of single direction thrust ball bearing (19) and two single-row radial ball bearings (20), both can satisfy the needs of traction steel wire reel for rope (6), can satisfy the rotation requirement of wirerope axis (6) and middle roll body thereof and side roll body again.
3. adopt a plurality of flower wheels (7) on the wirerope axis (6) to make the middle roll body of Elastic supporting roller, flower wheel (7) relies on the increase with number of reducing of its wheel rim width, adapts to the flexibility and the elasticity of wirerope axis (6) better.
4. adopt integrally stretching spring roll body to make the middle roll body of Elastic supporting roller, when the impact load that its wirerope axis (6) only bears at the spring roll body is excessive, just play the carrying effect, damage to prevent the undue stretch bending of spring roll body.Adopt integrally stretching spring roll body do in the middle of in 3,4 liang of examples of embodiment of roll body, the roll body spring divides and left and rightly revolves two kinds, adjacent carrying roller rotation direction must be opposite during installation.

Claims (6)

1. Elastic supporting roller, comprise wirerope axis (6), be connected between wirerope axis (6) termination and the support and two rotatable parts of bearing, the middle roll body between two rotatable parts are housed, it is characterized in that: roll body is to be fixed in wirerope axis (6) to go up the flower wheel (7) that spaced apart, quantity is at least five in the middle of said; Or, be connected and fixed on the integrally stretching spring roll body (42) on said two rotatable parts.
2. Elastic supporting roller according to claim 1 is characterized in that: the said rotatable parts that are connected between wirerope axis (6) termination and the support and bearing is housed are side roll bodies, and the side roll body comprises bearing chamber assembly, roller, steel rope termination fixed parts; The bearing chamber assembly comprises axle (9), be assemblied in dust-break lid (11), forced filling oil cup (12), poted assemblies (15), end cap (16), circlip for shaft (17), carrying roller end cap (18), single direction thrust ball bearing (19), single-row radial ball bearing (20) on the axle (9) from outside to inside successively, and spacer (21), the bearing chamber of bearing (20); Be equipped with on the axle of bearing chamber assembly (9) for it and be installed on tiltedly interior transverse axis (2) and the nut (1) of draw-in groove of support (8) upper end.
3. Elastic supporting roller according to claim 1 is characterized in that: said flower wheel (7) is gone up uniform at wirerope axis (6), has on its wheel hub and the fixing bolt of usefulness (5) of wirerope axis (6), has on the wheel rim and the cooresponding through hole in bolt (5) position; Between each flower wheel (7) and between flower wheel (7) and the side roll body, the spacer (4) that is enclosed within on the wirerope axis (6) is arranged.
4. Elastic supporting roller according to claim 2 is characterized in that: said steel rope termination fixed parts is the bearing chamber (22) and platen (26) of bearing chamber assembly, and fastener bolt of the two (24,27) and spring washer (25,28); On the faying face of bearing chamber (22) and platen (26), the corresponding radial groove in several positions is arranged respectively, accompany the steel wire rope head of wirerope axis (6) share split in the hole of groove amalgamation, there is the circular hole that passes for wirerope axis (6) in platen (26) central authorities.
5. Elastic supporting roller according to claim 2, it is characterized in that: the said fixed parts that is fixed with wirerope axis (6) termination of flower wheel (7), be end plate (30) and the roll body location guide pin bushing (31) in the side roll body roller (36), and fastener bolt of the two (37,39) and spring washer (38,40); On the faying face of end plate (30) and roll body location guide pin bushing (31) the cooresponding radial groove in several positions is arranged respectively, accompany the steel wire rope head of wirerope axis (6) share split in the hole of groove amalgamation, the two can slide along roller (36) inwall; Adorn a spring (32) on the guide pin bushing spring abutment (33) of roll body location guide pin bushing (31) opposite side central authorities and the end cap spring abutment (34) of the inboard central authorities of end cap (35); There is the through hole that passes for wirerope axis (6) in the axle center of roll body location guide pin bushing (31), end cap (35).
6. Elastic supporting roller according to claim 2 is characterized in that: the said side roll body (41) that is connected and fixed with integrally stretching spring roll body (42), its roller (43) external peripheral surface have and the corresponding spiral groove of spring roll body (42); The fixed parts of wirerope axis (6) termination is the wire clips axle (48) of straight pin shape and the wire clips (49) that wirerope axis (6) termination is tightened to button; The head of wire clips axle (48) is installed on by platen (45), in the cavity that dish (44) forms; Wire clips axle (48) axostylus axostyle with holes is stretched out, is linked with wirerope axis (6) termination sling by platen (45) centre hole; Platen (45), every the dish (44) be fixed on the end face of roller (43).
CNU032148860U 2003-01-27 2003-01-27 Elastic supporting roller Expired - Fee Related CN2597421Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU032148860U CN2597421Y (en) 2003-01-27 2003-01-27 Elastic supporting roller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU032148860U CN2597421Y (en) 2003-01-27 2003-01-27 Elastic supporting roller

Publications (1)

Publication Number Publication Date
CN2597421Y true CN2597421Y (en) 2004-01-07

Family

ID=34159880

Family Applications (1)

Application Number Title Priority Date Filing Date
CNU032148860U Expired - Fee Related CN2597421Y (en) 2003-01-27 2003-01-27 Elastic supporting roller

Country Status (1)

Country Link
CN (1) CN2597421Y (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102529432A (en) * 2011-12-13 2012-07-04 苏州工业园区高登威科技有限公司 Conveying roll shaft for ink-jet marker
CN102807080A (en) * 2011-07-17 2012-12-05 张庆东 Adjustable flexible carrier roller for conveying belt
CN102807082A (en) * 2011-07-17 2012-12-05 张庆东 Adjustable flexible supporting roller for conveying belts
CN102807081A (en) * 2011-07-17 2012-12-05 张庆东 Adjustable flexible supporting roller for conveying belts
CN107539700A (en) * 2017-09-29 2018-01-05 洛阳理工学院 A kind of curve generating glass conveying carrier roller device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102807080A (en) * 2011-07-17 2012-12-05 张庆东 Adjustable flexible carrier roller for conveying belt
CN102807082A (en) * 2011-07-17 2012-12-05 张庆东 Adjustable flexible supporting roller for conveying belts
CN102807081A (en) * 2011-07-17 2012-12-05 张庆东 Adjustable flexible supporting roller for conveying belts
CN102529432A (en) * 2011-12-13 2012-07-04 苏州工业园区高登威科技有限公司 Conveying roll shaft for ink-jet marker
CN107539700A (en) * 2017-09-29 2018-01-05 洛阳理工学院 A kind of curve generating glass conveying carrier roller device

Similar Documents

Publication Publication Date Title
CN1223774C (en) Band tension device
CN1093815C (en) Multiple sprocket assembly for bicycle
CN1715123A (en) Middle shaft structure with dynamo
CN100337874C (en) Bicycle derailleur
CN2597421Y (en) Elastic supporting roller
CN1743224A (en) Bicycle rear derailleur
CN1772516A (en) Non-pneumatic bicycle tire
CN1775617A (en) Bicycle assembly with shaft-fixing structure
CN1749068A (en) Split winch belt shaft quick rotation device
CN1222438C (en) Pull cord disc type brake
CN1065432A (en) Dual wheel driven bicycle
CN1151372A (en) Bicycle capable of wheeling with minimized pedalling force
CN86100273A (en) The device of lifting and decline or tracted load
CN1314284A (en) Pull cord disc type brake
CN1230502A (en) Bicycle suspension apparatus
CN1430000A (en) Double holding frame overdrive clutch
CN1230501A (en) Bicycle suspension
CN200961648Y (en) One-way clutch for electric vehicle in-wheel motor
CN1709759A (en) Automobile driving axle wheels set
CN107380349B (en) Chain guide device
CN2834968Y (en) A vehicle solid tyre with through-holes and assembled steel bowl thereof
CN1150381C (en) Integral holddown pin mechanism for hydraulic power units
CN1533921A (en) Spoked wheel used for bicycle
CN1202440A (en) Electric device for electric driven bicycle
CN112389556B (en) Hobbing meshing driving structure of double-section crawler

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20040107

Termination date: 20110127