CN201801894U - Rotary locking device for excavating arm of excavating machinery - Google Patents
Rotary locking device for excavating arm of excavating machinery Download PDFInfo
- Publication number
- CN201801894U CN201801894U CN201020518215XU CN201020518215U CN201801894U CN 201801894 U CN201801894 U CN 201801894U CN 201020518215X U CN201020518215X U CN 201020518215XU CN 201020518215 U CN201020518215 U CN 201020518215U CN 201801894 U CN201801894 U CN 201801894U
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- revolving body
- locking
- rotary
- digging arm
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Abstract
The utility model relates to a rotary locking device for an excavating arm of excavating machinery. The rotary locking device comprises a positioning pin, a rotary bracket, a rotary body, the excavating arm and a rotary oil cylinder, wherein the excavating arm is hinged with the lower part of the rotary body, and rotates around a hinge point to conduct excavation; and in order to keep the excavating arm stable without swaying during the driving or transportation process of a complete machine, the excavating arm is required to be locked in a rotary manner. The excavating arm is locked through contact among plane surfaces; the positioning pin adopts a special-shaped structure which enables the locking to be more reliable; and a movable arm can be fixed either longitudinally or transversely. During longitudinal locking, all that is needed is to form a pair of locking holes in the rotary body and the rotary bracket, so that the excavating arm can be locked through the matching of the special-shaped structure of the positioning pin and a special-shaped hole in the rotary bracket; and during transversal locking, all that is needed is to arrange a locking side surface on one side surface of the structure of the rotary bracket, so that the positioning pin can pass through the locking hole in the rotary bracket and a positioning plane surface at the lower part of the positioning pin to be in contact with the plane surface of the locking side surface. The rotary locking device has the advantages of compact and simple structure, and the property material conservation.
Description
Technical field
The utility model relates to a kind of locking device, and particularly a kind of excavation machinery excavates the slewing lock of swing arm, belongs to engineering machinery field.
Background technology
Excavation machinery excavate that the swing arm slewing lock is mainly used in that machine travels or transportation in to keep excavating end stable, do not rock.Under the effect of angling cylinder; digging arm can be around the rotation of hinged center; general digging arm need locking when 90 ° of complete machine longitudinal direction or left rotation and right rotation are horizontal, with guarantee that machine travels or during travel position digging arm keep stable and do not rock, play the effect of protection angling cylinder.At present the excavation swing arm slewing lock of excavation machinery has two kinds of implementation methods: a kind of be with excavate the revolving body that swing arm is connected on hinged articulated slab up and down be provided with a pair of locating hole, the support that is connected with vehicle frame is provided with three holes, when being subjected to the spatial constraints material not enough, the hole of both sides locks by the cylinder-type lock rationed marketing for the hole of slitting.Hinged articulated slab up and down is provided with three pairs of locating holes on the revolving body that another kind is with the excavation swing arm is connected, and the support that is connected with vehicle frame is provided with a hole, locks by the cylinder-type lock rationed marketing.These two kinds of locking device structure complexity, materials are many, and the installing space that needs is big, the processing request height; Locking principle is that the face of cylinder contacts locking with the face of cylinder, and when having certain interval, swing arm rotates bigger.
Summary of the invention
It is reliable that the purpose of this utility model provides a kind of locking, simple and compact for structure, and the excavation machinery that materials are few excavates the slewing lock of swing arm.
The utility model is achieved by the following technical programs:
A kind of excavation machinery digging arm slewing lock comprises alignment pin, rotary support, revolving body, digging arm and angling cylinder, digging arm and revolving body lower hinge, and digging arm rotates around pin joint and carries out digging operation; Revolving body and rotary support are hinged, and angling cylinder one end and complete machine are hinged, and the other end and revolving body are hinged, and under the effect of angling cylinder, revolving body and digging arm together wraparound are turned and the pin joint of rotary support rotates; Realize being connected of each parts and complete machine by rotary support, described alignment pin is made up of pin, shoulder block and drag hook, when digging arm vertically locks, alignment pin passes locating hole on the last articulated slab of revolving body and inserts lock hole on the rotary support, the shoulder block on alignment pin top contacts with revolving body, the pin bottom of described alignment pin is provided with special-shaped portion, and described special-shaped portion is provided with plane of orientation, and the lock hole on the rotary support is irregularly-shaped hole and cooperates the locking revolving body with special-shaped portion; When the digging arm half-twist laterally locked, alignment pin inserted in the described locating hole, and alignment pin top shoulder block contacts with revolving body, and the plane of orientation of described special-shaped portion contacts with the locking lateral plane of rotary support side.
The purpose of this utility model can also further realize by following technical measures.
Aforesaid excavation machinery digging arm slewing lock, the top of the following articulated slab of wherein said revolving body is provided with lock face, when described revolving body is locked, the rotation of the plane of orientation of described special-shaped portion and described lock face plane contact restriction alignment pin.
Aforesaid excavation machinery digging arm slewing lock, wherein said special-shaped cross section can be fan-shaped or triangle, corresponding lock hole is scallop hole or triangle, then is provided with three plane of orientations when special-shaped portion is triangle.
Aforesaid excavation machinery digging arm slewing lock, wherein said pin top is provided with drag hook.
The utility model is by plane and plane contact locking revolving body, alignment pin adopts the polymorphic structure locking more reliable, swing arm can vertically lock also and can laterally lock, only need open the pair of locking hole on revolving body and rotary support when vertically locking, the polymorphic structure of alignment pin matches with the special-shaped lock hole of rotary support and realizes locking; Laterally only need utilize during locking the structure of rotary support that the plane of orientation that the locking side makes alignment pin pass the lock hole alignment pin bottom of rotary support is set in the side and contact with the locking lateral plane, this locking device structure is compactness simply, the saving material.
Description of drawings
Fig. 1 is vertical latch-up structure schematic diagram of the present utility model.
Fig. 2 is that the utility model vertically locks local enlarged diagram.
Fig. 3 is that the utility model laterally locks local enlarged diagram.
Fig. 4 is the utility model rotary structure schematic diagram.
Fig. 5 is the fan-shaped locating pin structure schematic diagram of the utility model.
Fig. 6 is the utility model triangle locating pin structure schematic diagram.
Fig. 7 is the utility model scallop hole rotary support structural representation.
Fig. 8 is the tri-angle-holed rotary support structural representation of the utility model.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Shown in Fig. 1-8, a kind of excavation machinery digging arm slewing lock comprises alignment pin 1, rotary support 2, revolving body 3, digging arm 4 and angling cylinder 5, and digging arm 4 and revolving body 3 lower hinge, digging arm 4 rotate around pin joint and carry out digging operation; Revolving body 3 is hinged with rotary support 2, and angling cylinder 5 one ends and complete machine are hinged, and the other end and revolving body 3 are hinged, and under the effect of angling cylinder 5, revolving body 3 and digging arm 4 together wraparound turn 3 and the pin joint rotation of rotary support 4; Realize being connected of each parts and complete machine by rotary support 4, described alignment pin 1 is made up of pin 11, shoulder block 12 and drag hook 13, when digging arm 4 vertically locks, alignment pin 1 passes the lock hole 21 that the locating hole 31 on the last articulated slab of revolving body 3 inserts on the rotary supports 2, the shoulder block 12 on alignment pin 1 top contacts with revolving body 3, pin 11 bottoms of described alignment pin 1 are provided with special-shaped portion 14, described special-shaped portion 14 is provided with plane of orientation 141, and the lock hole 21 on the rotary support 2 is irregularly-shaped hole and cooperates locking revolving body 3 with special-shaped portion 14; When digging arm 4 half-twists laterally locked, alignment pin 1 inserted in the described locating hole 31, and alignment pin 1 top shoulder block 12 contacts with revolving body 3, the plane of orientation 141 of described special-shaped portion 14 and locking side 22 plane contact of rotary support 2 sides.
Shown in Fig. 4,5,6, the top of the following articulated slab of described revolving body 3 is provided with lock face 32, when described revolving body 3 is locked, and described plane of orientation 141 and described lock face 32 plane contact, the rotation of restriction alignment pin 1.
Shown in Fig. 5,7, cross section is fan-shaped special-shaped portion 14, and corresponding lock hole 21 also is a scallop hole, and special-shaped portion 14 matches with lock hole 21, and special-shaped portion 14 inserts in the lock hole 21 by plane of orientation 141 locking revolving bodies 3.
Shown in Fig. 6,8, another kind of cross section is that leg-of-mutton special-shaped portion (14) is provided with three plane of orientations (141), described lock hole (21) is tri-angle-holed, and special-shaped portion 14 matches with lock hole 21, and special-shaped portion 14 inserts in the lock hole 21 by plane of orientation 141 locking revolving bodies 3.
In addition to the implementation, the utility model can also have other embodiments, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection domain of the utility model requirement.
Claims (4)
1. excavation machinery digging arm slewing lock, comprise alignment pin (1), rotary support (2), revolving body (3), digging arm (4) and angling cylinder (5), digging arm (4) and revolving body (3) lower hinge, digging arm (4) rotate around pin joint and carry out digging operation; Revolving body (3) is hinged with rotary support (2), angling cylinder (5) one ends and complete machine are hinged, the other end and revolving body (3) are hinged, and under the effect of angling cylinder (5), revolving body (3) and digging arm (4) together wraparound are turned (3) and the pin joint of rotary support (4) rotates; Realize being connected of each parts and complete machine by rotary support (4), described alignment pin (1) is by pin (11), shoulder block (12) and drag hook (13) are formed, it is characterized in that: when digging arm (4) when vertically locking, alignment pin (1) passes locating hole (31) on the last articulated slab of revolving body (3) and inserts lock hole (21) on the rotary support (2), the shoulder block (12) on alignment pin (1) top contacts with revolving body (3), pin (11) bottom of alignment pin (1) is provided with special-shaped portion (14), abnormity portion (14) is provided with plane of orientation (141), and the lock hole (21) on the rotary support (2) is irregularly-shaped hole and cooperates locking revolving body (3) with special-shaped portion (14); When digging arm (4) half-twist laterally locks, alignment pin (1) inserts in the locating hole (31), alignment pin (1) top shoulder block (12) contacts with revolving body (3), locking side (22) plane contact of the plane of orientation (141) of special-shaped portion (14) and rotary support (2) side.
2. excavation machinery digging arm slewing lock according to claim 1, it is characterized in that: the top of the following articulated slab of described revolving body (3) is provided with lock face (32), when described revolving body (3) is locked, described plane of orientation (141) and described lock face (32) plane contact.
3. excavation machinery digging arm slewing lock according to claim 2 is characterized in that: described special-shaped portion (14) cross section is fan-shaped, and described lock hole (21) is a scallop hole.
4. excavation machinery digging arm slewing lock according to claim 2 is characterized in that: it is triangle that described special-shaped portion (14) is provided with three plane of orientations (141) cross section, and described lock hole (21) is tri-angle-holed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020518215XU CN201801894U (en) | 2010-09-07 | 2010-09-07 | Rotary locking device for excavating arm of excavating machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020518215XU CN201801894U (en) | 2010-09-07 | 2010-09-07 | Rotary locking device for excavating arm of excavating machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201801894U true CN201801894U (en) | 2011-04-20 |
Family
ID=43871401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020518215XU Expired - Fee Related CN201801894U (en) | 2010-09-07 | 2010-09-07 | Rotary locking device for excavating arm of excavating machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201801894U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105401511A (en) * | 2015-12-14 | 2016-03-16 | 郝志付 | Vehicle-mounted oil cylinder sidesway milling device |
| CN105544366A (en) * | 2015-12-14 | 2016-05-04 | 郝志付 | Vehicle-mounted motor lateral movement milling device |
| WO2019227471A1 (en) * | 2018-06-01 | 2019-12-05 | Guangxi Liugong Machinery Co., Ltd. | Locking arrangement for a construction machine |
| WO2020010597A1 (en) * | 2018-07-13 | 2020-01-16 | 北京加隆工程机械有限公司 | Transverse-movable and rotatable milling device |
| WO2024108745A1 (en) * | 2022-11-22 | 2024-05-30 | 江苏徐工工程机械研究院有限公司 | Turntable assembly and engineering mechanical apparatus |
-
2010
- 2010-09-07 CN CN201020518215XU patent/CN201801894U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105401511A (en) * | 2015-12-14 | 2016-03-16 | 郝志付 | Vehicle-mounted oil cylinder sidesway milling device |
| CN105544366A (en) * | 2015-12-14 | 2016-05-04 | 郝志付 | Vehicle-mounted motor lateral movement milling device |
| WO2019227471A1 (en) * | 2018-06-01 | 2019-12-05 | Guangxi Liugong Machinery Co., Ltd. | Locking arrangement for a construction machine |
| CN110552385A (en) * | 2018-06-01 | 2019-12-10 | 广西柳工机械股份有限公司 | Locking mechanism for construction machine |
| WO2020010597A1 (en) * | 2018-07-13 | 2020-01-16 | 北京加隆工程机械有限公司 | Transverse-movable and rotatable milling device |
| WO2024108745A1 (en) * | 2022-11-22 | 2024-05-30 | 江苏徐工工程机械研究院有限公司 | Turntable assembly and engineering mechanical apparatus |
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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: 20110420 Termination date: 20170907 |