CN105438699A - Pull arm locking device - Google Patents
Pull arm locking device Download PDFInfo
- Publication number
- CN105438699A CN105438699A CN201510974705.8A CN201510974705A CN105438699A CN 105438699 A CN105438699 A CN 105438699A CN 201510974705 A CN201510974705 A CN 201510974705A CN 105438699 A CN105438699 A CN 105438699A
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- CN
- China
- Prior art keywords
- locking
- torque arm
- locking bail
- top cover
- bail
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
- B65F3/00—Vehicles particularly adapted for collecting refuse
- B65F3/02—Vehicles particularly adapted for collecting refuse with means for discharging refuse receptacles thereinto
- B65F3/04—Linkages, pivoted arms, or pivoted carriers for raising and subsequently tipping receptacles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
- Springs (AREA)
Abstract
The invention relates to a pull arm locking device; and the pull arm locking device consists of a locking hook (12), a large pull arm (9), a single-travel locking oil cylinder (16), a return spring (14), a linkage frame (11) and a linkage frame hanging lug (10). One end of the locking hook (12) is connected with the large pull arm (9); a locking hook push rod (18) is arranged at the middle part of the locking hook (12); one end of the return spring (14) is connected with the corner of the locking hook (12); the other end of the return spring (14) is mounted on the large pull arm (9) below the single-travel locking oil cylinder (16); a front top plate of the single-travel locking oil cylinder (16) consists of a top cover, a buffer rubber pad and a top plate; and the buffer rubber pad is clamped between the top cover and the top plate. The single-travel locking oil cylinder controls the locking of the locking hook and the linkage frame during working; and the return spring controls the separation of the locking hook and the linkage frame. The pull arm locking device is stable in work, and safely and reliably realizes the conversion of self-dumping and deassembly functions of a pull arm type garbage truck.
Description
Technical field
The present invention relates to the detachable waste-skip of draw-arm, particularly relate to the latching device that large torque arm coordinates with linkage rack.
Background technology
At present, the combination that trailing draw-arm type dust cart can realize railway carriage and automobile be separated, the detachable waste-skip of existing draw-arm realizes container self-unloading and detachable by the joint of large torque arm and linkage rack and disconnection, it combines and disconnection process drives locking bail to realize by one-stroke locking cylinder, and this vehicle is used widely at present.Wherein torque arm latching device is the key device realizing self-unloading and detachable power and energy, and the quality of torque arm latching device directly affects service efficiency and the safety of the detachable waste-skip of draw-arm.Existing torque arm latching device, its self-unloading process, i.e. locking bail and linkage rack hangers locking state: by the off-load of one-stroke locking cylinder, by the contraction of extension spring, locking bail is engaged with linkage rack hangers, realize self-unloading function.Its detachable process, i.e. locking bail and linkage rack hangers disengaged position: one-stroke locking cylinder extends, and overcomes extension spring application force, extension spring extends, and locking bail and linkage rack hangers depart from, and realization can unloading functions.But this torque arm latching device relies on extension spring locking bail and linkage rack to be locked, and extension spring is short for service life, and the locking state of locking bail and linkage rack hangers relies on spring contraction effect to be insecure, easily unhook accident occurs.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of more stable, failure-free torque arm latching device that works, and this latching device is safety factor high long service life but also convenient operation not only.
For solving the problems of the technologies described above, torque arm latching device of the present invention is made up of locking bail, large torque arm, one-stroke locking cylinder, retracing spring, linkage rack and linkage rack hangers, its special feature is: above-mentioned locking bail one end is connected with large torque arm by locking bail bearing pin, locking bail push rod is provided with in the middle part of locking bail, one end of retracing spring is connected with locking bail corner, and the other end of retracing spring is arranged in the large torque arm below one-stroke locking cylinder; The front top plate of described one-stroke locking cylinder is made up of top cover, buffer rubber gasket and top board, and buffer rubber gasket is installed between top cover and top board.
Side, above-mentioned locking bail upper end welding locking bail adapter plate, the side welding locking cylinder adapter plate of described one-stroke locking cylinder.
Above-mentioned locking bail is using Hi-Stren steel Q460 or alloy structureal steel 35CrMo as making material.Making choosing of material is herein consider that locking bail is mainly put forth effort parts, and this bi-material can improve the safety and stability of device.
Above-mentioned linkage rack hangers surface is inclined-plane, and its edge is rounding structure.Adopt this structure, make contact wire move to locking bail root, point of action is rearmounted, and the arm of force shortens, and make the stressed reduction of locking bail root, service life significantly increases.
Described top cover is welded with two top cover anchor shafts, and buffer rubber gasket and top board are respectively provided with the through hole of two corresponding top cover anchor shafts, and are socketed on top cover anchor shaft, and fix with jump ring.Because existing torque arm latching device mating parts is many, and there is accessory size tolerance and weld size tolerance, after one-stroke locking cylinder is extended, distance between top cover and locking bail push rod is unstable, so add buffer rubber gasket between top cover and top board, buffer action in conjunction with problem, and can be played in the interference easily occurred when effectively can solve two rigid elements cooperations or gap.
In a word, owing to only having a through hole for fixing and locking hook pin axle at large torque arm bearing part, large torque arm intensity is improved; This locking bail is resetted by action of reset spring, and locked by one-stroke locking cylinder, working process is convenient, and economical and effective; Clamp buffer rubber gasket between described top cover and top board, can actv. to solve hangers and locking bail clearance control improper, the problem of the interference caused and gap combination.Because push rod is extended the combination realizing locking bail and linkage rack by the present invention with one-stroke locking cylinder, then significantly can improve the safety of torque arm latching device, avoid the unhook accident generation because Mismachining tolerance or overload cause.This torque arm locking device structure is simply compact, working stability, long service life, safe and reliable achieves the detachable waste-skip self-unloading of draw-arm and can the conversion of unloading functions.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Fig. 1 existing torque arm latching device side schematic view;
Fig. 2 is and torque arm latching device side schematic view of the present invention respectively;
Fig. 3 is the locking state schematic diagram of existing torque arm latching device;
Fig. 4 is the locking state schematic diagram of apparatus of the present invention;
Fig. 5 is apparatus of the present invention released state schematic diagram;
Fig. 6 is apparatus of the present invention locking bail assembly schematic diagram;
Fig. 7 is apparatus of the present invention locking cylinder push rod assembly schematic diagram.
Component names and sequence number in figure:
1. existing large torque arm 2. tightens the large torque arm 10. linkage rack hangers 11. linkage rack 12. locking bail 13. retracing spring hanging point 14. retracing spring 15. retracing spring fixed link 16. one-stroke locking cylinder 17. locking cylinder adapter plate 18. locking bail push rod 19. locking bail bearing pin 20. locking bail adapter plate 21. front top plate 211. top cover 212. buffer rubber gasket 213. top board 214. jump ring 215. top cover anchor shaft 22. locking cylinder push rod of the existing one-stroke locking cylinder 9. of existing locking bail bearing pin 7. extension spring 8. of the existing locking bail of the existing linkage rack 5. of bar 3. existing linkage rack hangers 4. 6.
Detailed description of the invention
Existing torque arm latching device is as shown in Figure 1, Figure 3 made up of existing locking bail 5, existing large torque arm 1, existing one-stroke locking cylinder 8, extension spring 7, existing linkage rack 4 and existing linkage rack hangers 3.Its self-unloading process, i.e. existing locking bail 5 and existing linkage rack hangers 3 locking state: when the off-load of existing one-stroke locking cylinder 8, extension spring 7 effect tightens bar 2, locking bail 5 is engaged with existing linkage rack hangers 3 around the clockwise direction rotation of existing locking bail bearing pin 6 to Fig. 3 visual angle, existing large torque arm 1 is integrated with existing linkage rack 4 rigid joint, thus rotate around linkage rack S. A., realize self-unloading function.
Its detachable process, i.e. existing locking bail 5 and existing linkage rack hangers 3 disengaged position: when existing one-stroke locking cylinder 8 push rod extends, overcome extension spring 7 application force, extension spring 7 extends, existing locking bail 5 is departed from existing linkage rack hangers 3 around the anticlockwise direction rotation of existing locking bail bearing pin 6 to Fig. 3 visual angle, existing large torque arm 1 can be rotated around existing large torque arm S. A. mutually with existing linkage rack 4, and realization can unloading functions.
The present invention is as shown in Fig. 2, Fig. 4, Fig. 5, be made up of locking bail 12, large torque arm 9, one-stroke locking cylinder 16, retracing spring 14, linkage rack 11 and linkage rack hangers 10, its special character is that described locking bail 12 one end is connected with large torque arm 9 by locking bail bearing pin 19, locking bail push rod 18 is provided with in the middle part of locking bail 12, locking bail 12 corner welding retracing spring hanging point 13, retracing spring 14 is arranged on large torque arm 9 edge below one-stroke locking cylinder 16 by retracing spring fixed link 15; The front top plate 21 of described one-stroke locking cylinder 16 is made up of top cover 211, buffer rubber gasket 212 and top board 213, and buffer rubber gasket 212 is installed between top cover 211 and top board 213.
Side, above-mentioned locking bail 12 upper end welding locking bail adapter plate 20, the side welding locking cylinder adapter plate 17 of described one-stroke locking cylinder 16.Distance between two adapter plates determines according to the length of actual locking cylinder push rod assembly, can ensure when locking cylinder push rod 22 extends completely, front top plate 21 contacts with locking bail push rod 18 and is just pushed into and the position that linkage rack 11 is combined by locking bail 12.
Locking bail 12 of the present invention is welded with retracing spring hanging point 13 and locking bail push rod 18 as shown in Figure 6, retracing spring hanging point 13 for the coordinating of retracing spring 14, locking bail push rod 18 is for coordinating with one-stroke locking cylinder 16; Its locking bail 12 is using Hi-Stren steel Q460 or alloy structureal steel 35CrMo as making material, and making choosing of material is consider that locking bail 12 is for mainly to put forth effort parts, and this bi-material can improve the safety and stability of device.
Above-mentioned linkage rack hangers 10 surface is inclined-plane, and its edge is rounding structure.Original design is that face coordinates with face, because device is complicated, there is tolerance in assembly clearance, existing condition two plane is not parallel, and make to be that line face engages when engaging, contact wire mostly is locking bail 12 front end, during work, point of action is preposition, the arm of force increases, and make the stressed increase of locking bail 12 root, service life significantly reduces.Existing structure makes contact wire move to locking bail 12 root, and point of action is rearmounted, and the arm of force shortens, and make the stressed reduction of locking bail 12 root, service life significantly increases.
One-stroke locking cylinder 16 is primarily of oil cylinder and locking cylinder push rod assembly two parts composition.Locking cylinder push rod assembly as shown in Figure 7, the top cover 211 of front top plate 21 is welded with two top cover anchor shafts 215, buffer rubber gasket 212 and top board 213 are respectively provided with the through hole of two corresponding top cover anchor shafts 215, and are socketed on top cover anchor shaft 215, and fix with jump ring 214.This structure, buffer action in conjunction with problem, and can be played in the interference easily occurred when effectively can solve two rigid elements cooperations or gap.
Self-unloading process of the present invention, namely locking bail 12 and linkage rack hangers 10 locking state are as shown in Figure 4: when one-stroke locking cylinder push rod 22 extends, overcome retracing spring 14 application force, locking bail 12 is engaged with linkage rack hangers 10 around the clockwise direction rotation of locking bail bearing pin 19 to Fig. 4 visual angle, large torque arm 9 is integrated with linkage rack 11 rigid joint, thus rotate around linkage rack S. A., realize self-unloading function.
The detachable process of the present invention, namely locking bail 12 and linkage rack hangers 10 disengaged position are as shown in Figure 5: when one-stroke locking cylinder 9 off-load, retracing spring 14 acts on locking bail spring hanging point 13, locking bail 12 is departed to the left-hand revolution at Fig. 5 visual angle and linkage rack hangers 10 around locking bail bearing pin 19, large torque arm 9 can be rotated around large torque arm S. A. mutually with linkage rack 11, and realization can unloading functions.
By reference to the accompanying drawings embodiments of the present invention are explained in detail above, but the present invention is not limited to above-mentioned embodiment.Even if make change to the present invention; be combined with linkage rack as long as torque arm latching device realizes locking bail by the elongation of one-stroke locking cylinder push rod; the off-load of one-stroke locking cylinder, realizes locking bail by retracing spring contraction and linkage rack departs from, then still fall among protection scope of the present invention.
Claims (5)
1. a torque arm latching device, by locking bail (12), large torque arm (9), one-stroke locking cylinder (16), retracing spring (14), linkage rack (11) and linkage rack hangers (10) composition, it is characterized in that: described locking bail (12) one end is connected with large torque arm (9) by locking bail bearing pin (19), locking bail (12) middle part is provided with locking bail push rod (18), one end of retracing spring (14) is connected with locking bail (12) corner, the other end of retracing spring (14) is arranged in the large torque arm (9) of one-stroke locking cylinder (16) below, the front top plate (21) of described one-stroke locking cylinder (16) is made up of top cover (211), buffer rubber gasket (212) and top board (213), and buffer rubber gasket (212) is installed between top cover (211) and top board (213).
2. torque arm latching device according to claim 1, it is characterized in that: described locking bail (12) side, upper end welding locking bail adapter plate (20), side welding locking cylinder adapter plate (17) of described one-stroke locking cylinder (16).
3. torque arm latching device according to claim 1, is characterized in that: described locking bail (12) is using Hi-Stren steel Q460 or alloy structureal steel 35CrMo as making material.
4. torque arm latching device according to claim 1, is characterized in that: the surface of described linkage rack hangers (10) is inclined-plane, and its edge is rounding structure.
5. torque arm latching device according to claim 1, it is characterized in that: described top cover (211) is welded with two top cover anchor shafts (215), buffer rubber gasket (212) and top board (213) are respectively provided with the through hole of two corresponding top cover anchor shafts (215), and be socketed on top cover anchor shaft (215), and fix with jump ring (214).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510974705.8A CN105438699B (en) | 2015-12-22 | 2015-12-22 | A kind of torque arm locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510974705.8A CN105438699B (en) | 2015-12-22 | 2015-12-22 | A kind of torque arm locking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105438699A true CN105438699A (en) | 2016-03-30 |
| CN105438699B CN105438699B (en) | 2018-07-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510974705.8A Expired - Fee Related CN105438699B (en) | 2015-12-22 | 2015-12-22 | A kind of torque arm locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105438699B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106182882A (en) * | 2016-08-10 | 2016-12-07 | 合肥工业大学 | A kind of hydraulic motor beam jaw locking device |
| CN108557350A (en) * | 2018-04-23 | 2018-09-21 | 郑州宏达汽车工业有限公司 | The off-loadable formula cram packer of railway carriage |
| CN108640027A (en) * | 2018-05-14 | 2018-10-12 | 河南卫华特种车辆有限公司 | It is a kind of to be automatically positioned to the lift work platform of working depth |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0786424B1 (en) * | 1996-01-29 | 2003-03-12 | FAUN Umwelttechnik GmbH & Co. | Lifting and tipping device with means for locking the trunnions of a refuse receptacle |
| CN201516820U (en) * | 2009-09-11 | 2010-06-30 | 烟台沪克力福特机械设备有限公司 | Locking mechanism of a fixation arm and a linkage rack of a draw arm hook |
| CN202115948U (en) * | 2011-05-30 | 2012-01-18 | 重庆耐德新明和工业有限公司 | Draw arm hook assembly of garbage truck with detachable carriage |
| CN202765666U (en) * | 2012-07-31 | 2013-03-06 | 长沙中联重科环卫机械有限公司 | Draw arm mechanism and draw arm type garbage truck |
| CN203359321U (en) * | 2013-07-17 | 2013-12-25 | 漳州科晖专用汽车制造有限公司 | Carriage unloading and material unloading switching mechanism for hook arm garbage truck |
| CN204472649U (en) * | 2015-03-13 | 2015-07-15 | 烟台海德专用汽车有限公司 | A kind of torque arm fills lift arm and linkage rack oil cylinder locking device |
| CN205418747U (en) * | 2015-12-22 | 2016-08-03 | 陕西通家汽车股份有限公司 | Single arm -drag locking device |
-
2015
- 2015-12-22 CN CN201510974705.8A patent/CN105438699B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0786424B1 (en) * | 1996-01-29 | 2003-03-12 | FAUN Umwelttechnik GmbH & Co. | Lifting and tipping device with means for locking the trunnions of a refuse receptacle |
| CN201516820U (en) * | 2009-09-11 | 2010-06-30 | 烟台沪克力福特机械设备有限公司 | Locking mechanism of a fixation arm and a linkage rack of a draw arm hook |
| CN202115948U (en) * | 2011-05-30 | 2012-01-18 | 重庆耐德新明和工业有限公司 | Draw arm hook assembly of garbage truck with detachable carriage |
| CN202765666U (en) * | 2012-07-31 | 2013-03-06 | 长沙中联重科环卫机械有限公司 | Draw arm mechanism and draw arm type garbage truck |
| CN203359321U (en) * | 2013-07-17 | 2013-12-25 | 漳州科晖专用汽车制造有限公司 | Carriage unloading and material unloading switching mechanism for hook arm garbage truck |
| CN204472649U (en) * | 2015-03-13 | 2015-07-15 | 烟台海德专用汽车有限公司 | A kind of torque arm fills lift arm and linkage rack oil cylinder locking device |
| CN205418747U (en) * | 2015-12-22 | 2016-08-03 | 陕西通家汽车股份有限公司 | Single arm -drag locking device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106182882A (en) * | 2016-08-10 | 2016-12-07 | 合肥工业大学 | A kind of hydraulic motor beam jaw locking device |
| CN106182882B (en) * | 2016-08-10 | 2018-01-05 | 合肥工业大学 | A kind of hydraulic motor beam jaw locking device |
| CN108557350A (en) * | 2018-04-23 | 2018-09-21 | 郑州宏达汽车工业有限公司 | The off-loadable formula cram packer of railway carriage |
| CN108640027A (en) * | 2018-05-14 | 2018-10-12 | 河南卫华特种车辆有限公司 | It is a kind of to be automatically positioned to the lift work platform of working depth |
| CN108640027B (en) * | 2018-05-14 | 2023-10-27 | 湖南衡波特种玻璃科技有限公司 | Lifting operation platform capable of being automatically positioned to working height |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105438699B (en) | 2018-07-20 |
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Granted publication date: 20180720 Termination date: 20191222 |