CN204896568U - Claw drive arrangement's chain tensioning device - Google Patents
Claw drive arrangement's chain tensioning device Download PDFInfo
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- CN204896568U CN204896568U CN201520666151.0U CN201520666151U CN204896568U CN 204896568 U CN204896568 U CN 204896568U CN 201520666151 U CN201520666151 U CN 201520666151U CN 204896568 U CN204896568 U CN 204896568U
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- clamping shaft
- tensioning shaft
- carrier ring
- tensioning
- bearing carrier
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Abstract
The utility model provides a claw drive arrangement's chain tensioning device, including backstand, clamping shaft, tension nut and roating seat, the backstand on be equipped with the clamping shaft hole, clamping shaft passes the clamping shaft hole, clamping shaft's one end is equipped with the screw thread, and tension nut installs screw thread department on clamping shaft, the roating seat install the other end at clamping shaft, can be rotatory around clamping shaft, the roating seat is used for cable. The utility model discloses simple structure, it is with low costs, the utility model discloses a last screw thread that is equipped with of clamping shaft, screw thread department is equipped with tension nut, adjusts tension nut and can adjust the position of clamping shaft for the backstand to taut or relax the chain, the utility model discloses a last roating seat that is equipped with of clamping shaft, the roating seat can wind the clamping shaft pivot, at claw every single move in -process, has prevented that the chain from rotating along with the claw every single move and make the emergence of the chain drive inefficacy condition.
Description
Technical field
The utility model relates to a kind of claw actuating device, especially relates to a kind of chain stretching device of claw actuating device.
Background technology
As shown in Figure 1, the chain drive of the claw of existing bridge type scraper material taking machine, comprise drive motor 2, drive sprocket 1, two driven sprocket 5,7 and chain 9, described drive motor 2 is arranged on girder 3, and drive sprocket 1 is arranged on drive motor 1; Chain 9 is arranged on drive sprocket 1 and two driven sprockets 5,7, and the two ends of chain 9 are connected with claw 6, and under the drive of drive motor 1, claw 6 moves on girder 3.The supporting construction of the claw supporting with it is then: claw 6 is by roller supporting on the track of girder 1 both sides, and claw is connected with the pylon on girder by luffing mechanism.This drive configuration, drive in the process of claw 6 movement at chain 9, due to luffing mechanism can not be real-time change length, claw 6 has low-angle pitching, if chain 9 is rigidly connected with it, then chain 9 can be made to rotate with the pitching of claw 6, and drive sprocket 1, two driven sprocket 5,7 is arranged on girder 3, can not vert, Chain conveyer therefore can be caused to lose efficacy, and cause claw to move.And even if the change length that luffing mechanism can be real-time, to make the inclination angle of claw 6 constant, it is also merely able to the stockpile being applicable to determine slope angle of repose; And the slope angle of repose of stockpile is different, so just reduce the field of application of scraper reclaimer.
Summary of the invention
In order to solve the problems of the technologies described above, the utility model provides the chain stretching device of the claw actuating device that a kind of structure is simple, cost is low, which overcomes the defect that claw pitching causes claw actuating device Chain conveyer to lose efficacy.
The technical solution adopted in the utility model is: comprise backstand, tensioning shaft, tensioning nut and rotary seat, and described backstand is provided with tensioning axis hole, and tensioning shaft is through tensioning axis hole; One end of tensioning shaft is provided with screw thread, and tensioning nut is arranged on screw thread place on tensioning shaft; Described rotary seat is arranged on the other end of tensioning shaft, can rotate around tensioning shaft, and backstand is for connecting chain.
In the chain stretching device of above-mentioned claw actuating device, described rotary seat comprises bearing carrier ring and end cap, bearing carrier ring and end cap are bolted, the bottom of described bearing carrier ring is provided with through hole, tensioning shaft, through this through hole, is provided with thrust baring between the bottom of bearing carrier ring internal bearing sleeve and the shaft shoulder of tensioning shaft; End cap is provided with hinge ear.
In the chain stretching device of above-mentioned claw actuating device, between the madial wall of described bearing carrier ring and tensioning shaft, be provided with radial bearing.
In the chain stretching device of above-mentioned claw actuating device, be provided with seal ring, be provided with adjusting pad between bearing carrier ring and end cap between tensioning shaft and the through hole of bearing carrier ring, the sidewall of described bearing carrier ring is provided with lubricating cup.
Compared with prior art, the beneficial effects of the utility model are:
Tensioning shaft of the present utility model is provided with screw thread, and screw thread place is provided with tensioning nut, regulates tensioning nut tensioning shaft can be regulated relative to the position of backstand, to strain or to loosen chain; Tensioning shaft of the present utility model is provided with rotary seat, and rotary seat can rotate around tensioning shaft, and when the utility model uses, rotary seat is connected with chain, in claw pitching process, prevents chain to make the generation of Chain conveyer failure conditions with claw pitch rotation; Be provided with thrust baring between bearing carrier ring of the present utility model and tensioning shaft, thrust baring makes bearing carrier ring can move with backstand, and can rotate relative to tensioning shaft; Be provided with radial bearing between bearing carrier ring madial wall of the present utility model and tensioning shaft, radial bearing can prevent bearing carrier ring from tilting relative to tensioning shaft, waving, and can improve the stationarity of chain gear; Be provided with seal ring between tensioning shaft of the present utility model and the through hole of bearing carrier ring, be provided with adjusting pad between bearing carrier ring and end cap, the sidewall of described bearing carrier ring is provided with lubricating cup, can by lubricating cup to radial bearing and thrust baring lubrication; It is simple that the utility model also has structure, the advantage that cost is low.
Accompanying drawing explanation
Fig. 1 is the constructional drawing of the claw chain drive of existing bridge type scraper material taking machine.
Fig. 2 is structural representation of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is further described.
As shown in Figure 2, the utility model comprises backstand 11, tensioning shaft 12, tensioning nut 13, bearing carrier ring 14 and end cap 15, and described backstand 11 is provided with tensioning axis hole, and tensioning shaft 12 is through tensioning axis hole; One end of tensioning shaft 12 is provided with screw thread, and tensioning nut 13 is arranged on screw thread place on tensioning shaft 12.Described bearing carrier ring 14 is arranged on the other end of tensioning shaft 12; The bottom of described bearing carrier ring 14 is provided with through hole, and tensioning shaft 12, through this through hole, is provided with seal ring 16 between tensioning shaft 12 and the inwall of this through hole.Be provided with thrust baring 141 between the bottom of bearing carrier ring 14 internal bearing sleeve 14 and the shaft shoulder of tensioning shaft 12, between the madial wall of bearing carrier ring 14 and tensioning shaft 12, be provided with radial bearing 142; The sidewall of described bearing carrier ring 14 is provided with lubricating cup 143, can be lubricated by the thrust baring 141 in lubricating cup 143 pairs of bearing carrier rings and radial bearing 142; And thrust baring 141 can ensure that bearing carrier ring 14 can move with tensioning shaft 12, and can rotate freely relative to tensioning shaft 12, radial bearing 142 can prevent bearing carrier ring 14 from tilting relative to tensioning shaft 12, waving, and can improve the stationarity of chain gear.End cap 15 is connected with bearing carrier ring 14 by bolt, is provided with adjusting pad 17 between end cap 15 and bearing carrier ring 14; End cap 15 is provided with hinge ear 151.
When the utility model uses, the utility model is arranged on claw 6 by backstand 11, and the hinge ear 151 on end cap 15 of the present utility model is connected with chain.In the pitching process of claw 6, because bearing carrier ring 14 of the present utility model can rotate around tensioning shaft 12, therefore, chain 9 can not rotate with the pitching of claw 6, therefore can not cause the inefficacy of the chain gear of claw actuating device.Tensioning shaft 12 of the present utility model is provided with screw thread, and screw thread place is provided with tensioning nut 13, can enough by regulating tensioning nut 13 to adjust the position of tensioning shaft 12 relative to backstand 11, to strain or to loosen chain 9.
Claims (4)
1. a chain stretching device for claw actuating device, is characterized in that: comprise backstand (11), tensioning shaft (12), tensioning nut (13) and rotary seat, and described backstand (11) is provided with tensioning axis hole, and tensioning shaft (12) is through tensioning axis hole; One end of tensioning shaft (12) is provided with screw thread, and tensioning nut (13) is arranged on the upper screw thread place of tensioning shaft (12); Described rotary seat is arranged on the other end of tensioning shaft (12), and can rotate around tensioning shaft (12), rotary seat is for connecting chain.
2. the chain stretching device of claw actuating device according to claim 1, it is characterized in that: described rotary seat comprises bearing carrier ring (14) and end cap (15), bearing carrier ring (14) and end cap (15) are bolted, the bottom of described bearing carrier ring (14) is provided with through hole, tensioning shaft (12), through this through hole, is provided with thrust baring (141) between the shaft shoulder of bearing carrier ring (14) and tensioning shaft (12); End cap (15) is provided with hinge ear (151).
3. the chain stretching device of claw actuating device according to claim 2, is characterized in that: be also provided with radial bearing (142) between the madial wall of described bearing carrier ring (14) and tensioning shaft (12).
4. the chain stretching device of claw actuating device according to claim 3, it is characterized in that: between the through hole of tensioning shaft (12) and bearing carrier ring (14), be provided with seal ring (16), be provided with adjusting pad (17) between bearing carrier ring (14) and end cap (15), the sidewall of described bearing carrier ring (14) is provided with lubricating cup (143).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520666151.0U CN204896568U (en) | 2015-08-31 | 2015-08-31 | Claw drive arrangement's chain tensioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520666151.0U CN204896568U (en) | 2015-08-31 | 2015-08-31 | Claw drive arrangement's chain tensioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204896568U true CN204896568U (en) | 2015-12-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520666151.0U Active CN204896568U (en) | 2015-08-31 | 2015-08-31 | Claw drive arrangement's chain tensioning device |
Country Status (1)
| Country | Link |
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| CN (1) | CN204896568U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763581A (en) * | 2016-12-29 | 2017-05-31 | 江苏省无锡探矿机械总厂有限公司 | For the tensioning apparatus of rig advance frame chain |
| CN108217086A (en) * | 2017-12-27 | 2018-06-29 | 陕西科技大学 | A kind of automatic rake chain tension means of gate-type scraper |
-
2015
- 2015-08-31 CN CN201520666151.0U patent/CN204896568U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763581A (en) * | 2016-12-29 | 2017-05-31 | 江苏省无锡探矿机械总厂有限公司 | For the tensioning apparatus of rig advance frame chain |
| CN108217086A (en) * | 2017-12-27 | 2018-06-29 | 陕西科技大学 | A kind of automatic rake chain tension means of gate-type scraper |
| CN108217086B (en) * | 2017-12-27 | 2020-06-09 | 陕西科技大学 | Automatic rake chain tensioning device of gate type rake material machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Claw drive arrangement's chain tensioning device Effective date of registration: 20180503 Granted publication date: 20151223 Pledgee: Xiangtan Jiuhua Economic Construction Investment Co., Ltd. Pledgor: Tidfore Engineering Co., Ltd.|Tidfore Heavy Industry Co., Ltd.|Ocean engineering equipment (Tianjin) Co., Ltd. Registration number: 2018430000029 |