CN201193154Y - Tensioning and centering device of hoister driven sprocket - Google Patents
Tensioning and centering device of hoister driven sprocket Download PDFInfo
- Publication number
- CN201193154Y CN201193154Y CNU2008203005543U CN200820300554U CN201193154Y CN 201193154 Y CN201193154 Y CN 201193154Y CN U2008203005543 U CNU2008203005543 U CN U2008203005543U CN 200820300554 U CN200820300554 U CN 200820300554U CN 201193154 Y CN201193154 Y CN 201193154Y
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- CN
- China
- Prior art keywords
- tensioning
- sprocket wheel
- aligning gear
- lower sprocket
- sprocket
- 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
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Abstract
The utility model discloses a tensioning and centering device of a driven sprocket of a hoisting machine. A lower sprocket wheel group (4) is installed on a lower sprocket wheel group frame (6) which is connected with an upright column (7) in a sliding way. A tensioning adjusting screw (9) is arranged between the pedestal (8) at the lower end of the upright column and the lower sprocket wheel group frame. A tensioning nut (10) is revolved on the tensioning adjusting screw. The centering device is arranged at the joint position between the transmission main shaft (11) and the cantilever sprocket wheel (16) of the lower sprocket wheel group and the lower sprocket wheel group frame. The tensioning and centering device can prevent the chain of the hoisting machine from dropping off or sliding off, can improve the working efficiency of the hoisting machine, can lighten the wearing of the chain at the same time, can prolong the service life of the hoisting machine, and can reduce maintenance cost.
Description
Technical field
The utility model relates to a kind of tensioning and aligning gear of gig driven sprocket, belongs to the elevating gear technical field.
Background technology
In the present gig, for the tensioning of chain and the centering of driven wheel, generally rely on processing and install and guarantee, just very high for the requirement of installing and processing like this, increased the difficulty of processing and the equipment mounting hardness of part, be nonadjustable for the tensioning of chain and the centering of sprocket wheel afterwards in case install, in the lifting process of high floor, along with the increase of period of service, usually can align badly owing to the center, chain occurs and take off phenomenons such as tooth and chain wear; Because growth along with period of service, the degree of tension of chain becomes plate, the slot phenomenon can appear, occurring above situation at present generally is to adopt to add cushion block or single chain is used tightening device, these usages are all cumbersome, also situations such as the chain tension degree varies causes can occur, greatly reduce the service efficiency and the safety performance of gig.
The utility model content
The purpose of this utility model is to provide a kind of gig that can prevent tensioning and aligning gear that chain takes off the gig driven sprocket of tooth and slot phenomenon to occur, to improve the work efficiency and the safety performance of gig, the wearing and tearing that also can slow down chain simultaneously, prolong the service life of gig, reduce maintenance cost.
The utility model is achieved in that the tensioning of gig driven sprocket of the present utility model and aligning gear comprise that driving motor 1, driving motor 1 are in transmission connection through chain 2 and cochain wheels 3, and cochain wheels 3 are in transmission connection through chain 2 and lower sprocket group 4; On the chain 2 between cochain wheels 3 and the lower sprocket group 4, be provided with lifting plate 5; It is characterized in that: lower sprocket group 4 is installed on the lower sprocket framing 6, between lower sprocket framing 6 and the column 7 sliding block joint is arranged, be provided with tensioning trimming screw 9 between the base 8 of column 7 lower ends and the lower sprocket framing 6, be rotary with tensioning nut 10 on the tensioning trimming screw 9; Transmission main shaft 11 in the lower sprocket group 4 and cantilever sprocket wheel 16 are provided with aligning gear 12 with the junction of lower sprocket framing 6.
In the tensioning and aligning gear of above-mentioned gig driven sprocket, described aligning gear 12 comprises aligning gear that is located on the transmission main shaft 11 and the aligning gear that is located on the cantilever sprocket wheel 16, transmission main shaft 11 is provided with screw thread 13, the aligning gear aligning gear that is located on the transmission main shaft 11 comprises adjustment spacer 14 and centering adjustment nut 15, adjust spacer 14 and be enclosed within on the transmission main shaft 11, centering adjustment nut 15 is spun on the screw thread 13 of transmission main shaft 11; The aligning gear that is located on the cantilever sprocket wheel 16 comprises projecting shaft adapter plate 17 and centering adjustment nut 15, and the axle of cantilever sprocket wheel 16 is through in the hole of projecting shaft adapter plate 17, and the axle of cantilever sprocket wheel 16 is provided with screw thread 13, is rotary with adjustment nut 15 on the screw thread 13.
Compared with prior art, in the tensioning and aligning gear of the gig driven sprocket that the utility model provides, owing to installed tensioning trimming screw and nut additional at lower sprocket framing and base, make that the degree of tension of chain is adjustable, and be that the lower sprocket group is totally adjusted, so degree of tension unanimity of each chain, can prevent that the phenomenon of chain slot and quick abrasion from appearring in gig, can slow down the wearing and tearing of chain, prolong the service life of gig, improve the work efficiency of gig, in addition owing to increased to middle regulator, can prevent that gig from taking off chain, reduce maintenance cost, and working strength of workers.
Description of drawings
Accompanying drawing 1 is a structural representation of the present utility model;
Accompanying drawing 2 is schematic side view of accompanying drawing 1;
Accompanying drawing 4 is aligning gear partial enlarged drawings on the transmission main shaft in the utility model;
Accompanying drawing 5 is aligning gear partial enlarged drawings on the cantilever sprocket wheel in the utility model.
Being labeled as in the accompanying drawing: 1-driving motor, 2-chain, 3-cochain wheels, 4-lower sprocket group, 5-lifting plate, 6-lower sprocket framing, the 7-column, 8-base, 9-tensioning trimming screw, the 10-tensioning nut, 11-transmission main shaft, 12-aligning gear, the 13-screw thread, 14-adjusts spacer, 15-centering adjustment nut, 16-cantilever sprocket wheel, 17-projecting shaft adapter plate.
The specific embodiment
Embodiment of the present utility model: the tensioning of gig driven sprocket of the present utility model and aligning gear such as Fig. 1, Fig. 2 and shown in Figure 3.It comprises the column 7 of steel framed structure, driving motor 1, driving motor 1 is installed on the top of column 7 is in transmission connection through chain 2 and cochain wheels 3, and cochain wheels 3 are in transmission connection through chain 2 and lower sprocket group 4; On the chain 2 between cochain wheels 3 and the lower sprocket group 4, be provided with lifting plate 5; But driving motor 1 forward and backward makes gig realize lifting action.Arrow indication among the figure is a motor when just changeing, and the sense of motion of chain, the arrow of lifting plate 5 are moving directions of lifting plate 5.The above all is a prior art, and the utility model mainly is the improvement to lower sprocket group 4.
The concrete improvement is that lower sprocket group 4 is installed on the lower sprocket framing 6, can slide up and down along column 7 between lower sprocket framing 6 and the column 7, between the base 8 of column 7 lower ends and lower sprocket framing 6, tensioning trimming screw 9 is installed, tensioning trimming screw 9 one ends are welded on the base 8, the other end is through in the hole of lower sprocket framing 6, when the chain pine, can be by screwing the tensioning nut 10 on the tensioning trimming screw 9, lower sprocket framing 6 is moved down, strain chain, reach the purpose of tension chain.Transmission main shaft 11 in lower sprocket group 4 and cantilever sprocket wheel 16 are provided with aligning gear 12 with the junction of lower sprocket framing 6.
The concrete structure that is located at the aligning gear 12 on the transmission main shaft 11 as shown in Figure 4, described transmission main shaft 11 is provided with screw thread 13, the aligning gear 12 that is located on the transmission main shaft 11 comprises adjustment spacer 14 and centering adjustment nut 15, adjust spacer 14 and be enclosed within on the transmission main shaft 11, centering adjustment nut 15 is spun on the screw thread 13 of transmission main shaft 11.When sprocket wheel on the needs adjustment transmission main shaft and the sprocket wheel centering on the cochain wheels 3, adjustment nut 15 is unscrewed, make transmission main shaft 11 can moving among a small circle axially taken place, after making cochain wheels 3 vertical alignments of lower sprocket group 4 and gig on the transmission main shaft 11, again adjustment nut 15 is screwed, to reach the purpose of centering.
The concrete structure that is located at the aligning gear 12 on the cantilever sprocket wheel 16 as shown in Figure 5,16 on described cantilever sprocket wheel is provided with screw thread 13, the aligning gear 12 that is located on the cantilever sprocket wheel 16 comprises projecting shaft adapter plate 17 and centering adjustment nut 15, projecting shaft adapter plate 17 is enclosed within on 16 on the cantilever sprocket wheel, and centering adjustment nut 15 is spun on the screw thread 13 of 16 on cantilever sprocket wheel.When the respective sprockets centering on needs adjustment cantilever sprocket wheel 16 and the cochain wheels 3, adjustment nut 15 is unscrewed, make 16 on cantilever sprocket wheel can moving among a small circle taken place axially, behind the respective sprockets vertical alignment on cantilever sprocket wheel 16 and the cochain wheels 3, again adjustment nut 15 is screwed, to reach the purpose of centering.
Claims (2)
1.[claim 1] a kind of tensioning and aligning gear of gig driven sprocket, it comprises that driving motor (1), driving motor (1) are in transmission connection through chain (2) and cochain wheels (3), cochain wheels (3) are in transmission connection through chain (2) and lower sprocket group (4); On the chain (2) between cochain wheels (3) and the lower sprocket group (4), be provided with lifting plate (5); It is characterized in that: lower sprocket group (4) is installed on the lower sprocket framing (6), between lower sprocket framing (6) and the column (7) sliding block joint is arranged, be provided with tensioning trimming screw (9) between the base (8) of column (7) lower end and the lower sprocket framing (6), be rotary with tensioning nut (10) on the tensioning trimming screw (9); Transmission main shaft (11) in the lower sprocket group (4) and cantilever sprocket wheel (16) are provided with aligning gear (12) with the junction of lower sprocket framing (6).
2.[claim 2] tensioning and the aligning gear of gig driven sprocket according to claim 1, it is characterized in that: described aligning gear (12) comprises aligning gear that is located on the transmission main shaft (11) and the aligning gear that is located on the cantilever sprocket wheel (16), transmission main shaft (11) is provided with screw thread (13), the aligning gear aligning gear that is located on the transmission main shaft (11) comprises adjustment spacer (14) and centering adjustment nut (15), adjust spacer (14) and be enclosed within on the transmission main shaft (11), centering adjustment nut (15) is spun on the screw thread (13) of transmission main shaft (11); The aligning gear that is located on the cantilever sprocket wheel (16) comprises projecting shaft adapter plate (17) and centering adjustment nut (15), the axle of cantilever sprocket wheel (16) is through in the hole of projecting shaft adapter plate (17), the axle of cantilever sprocket wheel (16) is provided with screw thread (13), is rotary with adjustment nut (15) on the screw thread (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008203005543U CN201193154Y (en) | 2008-04-14 | 2008-04-14 | Tensioning and centering device of hoister driven sprocket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008203005543U CN201193154Y (en) | 2008-04-14 | 2008-04-14 | Tensioning and centering device of hoister driven sprocket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201193154Y true CN201193154Y (en) | 2009-02-11 |
Family
ID=40392695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008203005543U Expired - Fee Related CN201193154Y (en) | 2008-04-14 | 2008-04-14 | Tensioning and centering device of hoister driven sprocket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201193154Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011022946A1 (en) | 2009-08-31 | 2011-03-03 | 宁波邦达实业有限公司 | Chain hoisting device with safe descending stroke |
| CN102878261A (en) * | 2012-10-17 | 2013-01-16 | 杭州西子石川岛停车设备有限公司 | Tensioning device for chain |
-
2008
- 2008-04-14 CN CNU2008203005543U patent/CN201193154Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011022946A1 (en) | 2009-08-31 | 2011-03-03 | 宁波邦达实业有限公司 | Chain hoisting device with safe descending stroke |
| EP2474499A1 (en) * | 2009-08-31 | 2012-07-11 | Ningbo Bangda Intelligent Parking System Co., Ltd | Chain hoisting device with safe descending stroke |
| EP2474499A4 (en) * | 2009-08-31 | 2013-05-15 | Ningbo Bangda Intelligent Parking System Co Ltd | Chain hoisting device with safe descending stroke |
| CN102878261A (en) * | 2012-10-17 | 2013-01-16 | 杭州西子石川岛停车设备有限公司 | Tensioning device for chain |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090211 Termination date: 20160414 |