CN204752123U - Retractable fork of long stroke - Google Patents
Retractable fork of long stroke Download PDFInfo
- Publication number
- CN204752123U CN204752123U CN201520467614.0U CN201520467614U CN204752123U CN 204752123 U CN204752123 U CN 204752123U CN 201520467614 U CN201520467614 U CN 201520467614U CN 204752123 U CN204752123 U CN 204752123U
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- CN
- China
- Prior art keywords
- synchronous belt
- pedestal
- double cog
- cog synchronous
- fork
- 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 retractable fork of long stroke, this fork is including the fork body (4), base (1), the rack, double rack hold -in range (3), driving pulley (2), from the driven pulleys (5), hold in the palm the rail, be provided with straight line track on base (1), the fork body (4) but slidable mounting on the track of base (1), it makes the fork body (4) follow the two -way linear motion of track on base (1) to drag the rack of installing on pitching the body (4) through double rack hold -in range (3).
Description
Technical field
The present invention relates to a kind of retractable fork.
Background technology
Existing retractable fork is primarily of rack-and-gear, cylinder or hydraulic oil cylinder driving, the distance of stretch out and draw back of pallet fork all can not exceed the length of the kinematic mechanism such as tooth bar or cylinder body itself, stroke is shorter, in order to increase distance of stretch out and draw back, the multistage kinematic mechanism of general employing, but multistage kinematic mechanism motion is discontinuous, complex structure.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of retractable fork of Long travel.
Technical scheme of the present invention is: a kind of retractable fork of Long travel, comprise fork body, pedestal, tooth bar, double cog synchronous belt, driving pulley, motor, driven pulley, holder rail, left limit block, right limit block, described pedestal is provided with rectilinear orbit, fork body is slidably arranged on the track of pedestal, driving pulley is arranged on the left end of pedestal, motor is connected with driving pulley by rotating shaft, driven pulley is arranged on the right-hand member of pedestal, double cog synchronous belt is driven by driving pulley and by driven pulley tensioning, double cog synchronous belt tensioning between driving pulley and driven pulley be in line and with the parallel track be arranged on pedestal, tooth bar is fixedly mounted on to be pitched on body and engages with double cog synchronous belt, holder rail is slidably arranged on fork body, holder rail can hold double cog synchronous belt, prevent double cog synchronous belt from deviating from from the teeth groove of tooth bar, make double cog synchronous belt and tooth bar positive engagement, left limit block is arranged on the left end of pedestal, for holding in the palm the left limit of rail, right limit block is arranged on the right-hand member of pedestal, for holding in the palm the right limit of rail.
Described double cog synchronous belt can be two-sided ladder-shaped toothed timing, also can be two-sided arc tooth synchronous belt.
The retractable fork of Long travel of the present invention is work like this: when fork body needs to left movement, driving pulley drives double cog synchronous belt to run left, double cog synchronous belt drags the tooth bar be arranged on fork body makes fork body along the straight-line motion left of the track on pedestal, under the effect of holder rail, tooth bar and double cog synchronous belt keep engaging until the right-hand member of tooth bar move to the top of driving pulley, see Fig. 4, now for fork body is to the limit of left movement; When fork body needs to run to the right, driving pulley drives double cog synchronous belt to run to the right, double cog synchronous belt drags the tooth bar be arranged on fork body makes fork body along the straight-line motion to the right of the track on pedestal, under the effect of holder rail, tooth bar and double cog synchronous belt keep engaging until the left end of tooth bar moves to the top of driven pulley, see Fig. 5, now for pitching the limit that body moves right.
The retractable fork of Long travel of the present invention drags by double cog synchronous belt the tooth bar be arranged on fork body makes fork body move along the rail linearity on pedestal, fork body moves to the top of driving pulley to the right-hand member that the end position of left movement is tooth bar, the end position that moves right of fork body is the top that the left end of tooth bar moves to driven pulley, the total move distance of fork body be two belt wheels width between centers with and add the length of upper rack, there is the advantage that stroke is long; In addition, because holder rail is slidably arranged on fork body, holder rail is followed double cog synchronous belt and is together moved between left limit block and right limit block, and there is no relative motion between double cog synchronous belt, when only having arrival left limit block or right limit block, just there is relative motion between holder rail and double cog synchronous belt, the wearing and tearing of double cog synchronous belt can be reduced like this, and it is more reliable that double cog synchronous belt can be made to engage with tooth bar.
Accompanying drawing explanation
Fig. 1 is the constructional drawing of the retractable fork embodiment of a kind of Long travel of the present invention.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the cutaway view along A-A line in Fig. 2.
Fig. 4 is the schematic diagram that fork body moves to left-limit.
Fig. 5 is the schematic diagram that fork body moves to limit on the right-right-hand limit.
In figure, each Reference numeral is: 1, pedestal; 2, driving pulley; 3, double cog synchronous belt; 4, body is pitched; 5, driven pulley; 6, tooth bar; 7, motor; 8, rail is held in the palm; 9, protruding rail; 10, recessed rail; 11, roller; 12, guide groove; 13, left limit block; 14, right limit block.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described, but embodiment is not construed as limiting the invention.
Fig. 1 to Fig. 3 shows the constructional drawing of the retractable fork of Long travel of the present invention, this pallet fork comprises fork body 4, pedestal 1, tooth bar 6, double cog synchronous belt 3, driving pulley 2, motor 7, driven pulley 5, holder rail 8, left limit block 13, right limit block 14, the both sides of pedestal 1 are provided with the recessed rail 10 of straight line, fork body 4 is slidably arranged on the recessed rail 10 of pedestal by the protruding rail 9 being arranged on both sides, driving pulley 2 is arranged on the left end of pedestal 1, motor 7 is connected with driving pulley 2 by rotating shaft, driven pulley 5 is arranged on the right-hand member of pedestal 1, double cog synchronous belt 3 is two-sided ladder-shaped toothed timing, double cog synchronous belt 3 is driven by driving pulley 2 and by driven pulley 5 tensioning, double cog synchronous belt 3 tensioning between driving pulley 2 and driven pulley 5 is in line and parallel with the recessed rail 10 be arranged on pedestal 1, tooth bar 6 is fixedly mounted on to be pitched on body 4 and engages with double cog synchronous belt 3, holder rail 8 both sides are provided with roller 11, holder rail 8 is arranged on by roller 11 on the guide groove 12 of fork body 4 both sides, holder rail 8 can hold double cog synchronous belt 3, prevent double cog synchronous belt 3 from deviating from from the teeth groove of tooth bar 6, make double cog synchronous belt 3 and tooth bar 6 positive engagement, left limit block 13 is arranged on the left end of pedestal 1, for holding in the palm the left limit of rail 8, right limit block 14 is arranged on the right-hand member of pedestal 1, for holding in the palm the right limit of rail 8.
Claims (3)
1. the retractable fork of a Long travel, it is characterized in that: the retractable fork of described Long travel comprises fork body, pedestal, tooth bar, double cog synchronous belt, driving pulley, motor, driven pulley, holder rail, left limit block, right limit block, described pedestal is provided with rectilinear orbit, fork body is slidably arranged on the track of pedestal, driving pulley is arranged on the left end of pedestal, motor is connected with driving pulley by rotating shaft, driven pulley is arranged on the right-hand member of pedestal, double cog synchronous belt is driven by driving pulley and by driven pulley tensioning, double cog synchronous belt tensioning between driving pulley and driven pulley be in line and with the parallel track be arranged on pedestal, tooth bar is fixedly mounted on to be pitched on body and engages with double cog synchronous belt, holder rail is slidably arranged on fork body, holder rail can hold double cog synchronous belt, prevent double cog synchronous belt from deviating from from the teeth groove of tooth bar, make double cog synchronous belt and tooth bar positive engagement, left limit block is arranged on the left end of pedestal, for holding in the palm the left limit of rail, right limit block is arranged on the right-hand member of pedestal, for holding in the palm the right limit of rail.
2. the retractable fork of Long travel according to claim 1, is characterized in that: described double cog synchronous belt is two-sided ladder-shaped toothed timing.
3. the retractable fork of Long travel according to claim 1, is characterized in that: described double cog synchronous belt is two-sided arc tooth synchronous belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520467614.0U CN204752123U (en) | 2015-07-03 | 2015-07-03 | Retractable fork of long stroke |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520467614.0U CN204752123U (en) | 2015-07-03 | 2015-07-03 | Retractable fork of long stroke |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204752123U true CN204752123U (en) | 2015-11-11 |
Family
ID=54466852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520467614.0U Expired - Fee Related CN204752123U (en) | 2015-07-03 | 2015-07-03 | Retractable fork of long stroke |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204752123U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104944321A (en) * | 2015-07-03 | 2015-09-30 | 新余市百合力机电技术有限公司 | Long-stroke retractable fork |
-
2015
- 2015-07-03 CN CN201520467614.0U patent/CN204752123U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104944321A (en) * | 2015-07-03 | 2015-09-30 | 新余市百合力机电技术有限公司 | Long-stroke retractable fork |
| CN104944321B (en) * | 2015-07-03 | 2018-12-07 | 界首市金龙机械设备有限公司 | A kind of retractable fork of long stroke |
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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: 20151111 Termination date: 20160703 |