CN217399760U - Boom assembly and work machine - Google Patents
Boom assembly and work machine Download PDFInfo
- Publication number
- CN217399760U CN217399760U CN202220976893.3U CN202220976893U CN217399760U CN 217399760 U CN217399760 U CN 217399760U CN 202220976893 U CN202220976893 U CN 202220976893U CN 217399760 U CN217399760 U CN 217399760U
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- arm section
- distance adjusting
- arm
- pin
- bushing
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- 230000007246 mechanism Effects 0.000 claims abstract description 41
- 238000009434 installation Methods 0.000 claims description 18
- 230000008878 coupling Effects 0.000 abstract description 6
- 238000010168 coupling process Methods 0.000 abstract description 6
- 238000005859 coupling reaction Methods 0.000 abstract description 6
- 230000008859 change Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to a spare part field of making provides a movable arm assembly and operation machinery, wherein, movable arm assembly, include: the device comprises a first arm section, a second arm section and a distance adjusting mechanism, wherein the second arm section is rotatably connected with the first arm section; one end and the first arm festival rotatable coupling of roll adjustment mechanism, the other end and the second arm festival rotatable coupling of roll adjustment mechanism, roll adjustment mechanism can adjust length. The movable arm assembly provided by the utility model realizes the angle adjustment between the first arm section and the second arm section through the rotation of the first arm section and the second arm section, thereby adjusting the effective use length of the movable arm assembly; and the locking of the rotation angles of the first arm section and the second arm section is realized through the distance adjusting mechanism which is connected between the first arm section and the second arm section and has adjustable length, the structure is simple, the adjustment is convenient, and the cost is low.
Description
Technical Field
The utility model relates to a technical field is made to spare part, especially relates to a movable arm assembly and operation machinery.
Background
At present, a boom is used in a work machine to connect an actuator and transmit power, for example, a boom of an excavator, one end of the boom is connected to an upper vehicle, and the other end of the boom is connected to an arm.
The existing movable arm extension and retraction adjustment is realized by directly manufacturing an elongated movable arm or an elongated bucket rod, the replacement is complicated, and the movable arm needs to be assembled when directly leaving a factory or replaced in a special maintenance factory.
SUMMERY OF THE UTILITY MODEL
The utility model provides a movable arm assembly and operation machinery for the structure that solves movable arm length change among the prior art is complicated, change inconvenient defect, but adopts first arm festival and the second arm festival of mutual rotation, adjusts the effective use length of movable arm, and fixes first arm festival and second arm festival through adjustable length's roll adjustment mechanism, realizes the quick convenient length adjustment of movable arm.
The utility model provides a movable arm assembly, include:
a first arm section;
the second arm section is rotatably connected with the first arm section;
one end of the distance adjusting mechanism is rotatably connected with the first arm section, the other end of the distance adjusting mechanism is rotatably connected with the second arm section, and the length of the distance adjusting mechanism can be adjusted.
According to the utility model provides a movable arm assembly, the roll adjustment mechanism includes roll adjustment pole and locking module, the one end of roll adjustment pole with the second arm festival rotatable coupling, the locking module rotatable coupling is in on the first arm festival;
and the locking module is connected with the other end of the distance adjusting rod.
According to the utility model provides a movable arm assembly, two at least roll adjustment holes have been seted up along length direction to the roll adjustment pole, the locking module runs through the roll adjustment hole with the roll adjustment pole is connected.
According to the movable arm assembly provided by the utility model, the locking module comprises an installation shaft and a locking pin, the installation shaft is rotatably connected with the first arm section, the installation shaft comprises a first installation hole and a second installation hole, and the distance adjusting rod penetrates through the first installation hole;
wherein, the locking pin runs through the second mounting hole and the roll adjustment hole.
According to the movable arm assembly provided by the utility model, the locking pin comprises a first end cover and a pin body, the first end cover is connected with one end of the pin body, and the pin body penetrates through the second mounting hole and the distance adjusting hole;
wherein, first end cap detachable with installation hub connection.
According to the utility model provides a movable arm assembly, roll adjustment mechanism is still including rotating the module, it installs to rotate the module on the second arm festival, rotate the module with roll adjustment pole rotatable coupling.
According to the movable arm assembly provided by the utility model, the rotating module comprises a shaft sleeve and a first pin shaft, the first pin shaft is connected with the second arm section, and the shaft sleeve is rotatably connected with the first pin shaft;
wherein, the roll adjustment rod is connected with the shaft sleeve.
According to the utility model provides a movable arm assembly, the rotation module still includes the bush, the bush is installed on the second arm festival, first round pin axle runs through the bush and with bushing, the one end of roll adjustment pole is arranged in the bush with bushing.
According to the utility model provides a movable arm assembly, the rotation module still includes baffle and second end cover, the second end cover is connected the one end of first round pin axle, first round pin axle runs through the baffle, the second end cover with the connection can be dismantled to the baffle.
The utility model also provides an operating machine, including foretell movable arm assembly.
The movable arm assembly provided by the utility model realizes the angle adjustment between the first arm joint and the second arm joint through the rotation of the first arm joint and the second arm joint, thereby adjusting the effective use length of the movable arm assembly; and the locking of the rotation angles of the first arm section and the second arm section is realized through the distance adjusting mechanism which is connected between the first arm section and the second arm section and has adjustable length, the structure is simple, the adjustment is convenient, and the cost is low.
The utility model provides a movable arm assembly sets up along length direction's roll adjustment hole on the roll adjustment pole, carries out the roll adjustment locking through roll adjustment hole and locking module to the effective use length of roll adjustment mechanism, simple structure, it is with low costs, stability is good.
The locking mechanism of the movable arm assembly provided by the utility model is rotatably connected with the first arm section, so that one end of the distance adjusting rod is rotatably connected with the first arm section; the other end of the distance adjusting rod is rotatably connected with the second arm joint through the rotating module, so that the distance adjusting rod can rotate by a better adaptive angle after the angle of adjustment of the first arm joint and the second arm joint, and the length of the distance adjusting rod can be adjusted.
Further, the present invention provides a working machine including the above-described boom assembly, and therefore, having various advantages as described above.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the following briefly introduces the drawings required for the embodiments or the prior art descriptions, and obviously, the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of an overall structure of a movable arm assembly provided by the present invention;
fig. 2 is a partial cross-sectional view of a movable arm-set provided by the present invention;
fig. 3 is a schematic structural view of the distance adjusting rod provided by the present invention;
fig. 4 is a sectional view of the distance adjusting rod provided by the present invention;
fig. 5 is a front view of the installation shaft provided by the present invention;
fig. 6 is a top view of the installation shaft provided by the present invention;
fig. 7 is a sectional view of the installation shaft provided by the present invention;
fig. 8 is a sectional view of the distance adjusting mechanism provided by the present invention;
fig. 9 is a front view of the distance adjusting mechanism provided by the present invention;
fig. 10 is a bottom view of the movable arm assembly provided by the present invention.
Reference numerals are as follows:
100: a first arm section; 101: a second arm section; 102: a second pin shaft; 103: a first hollowed-out area; 104: a second hollowed-out area; 200: a distance adjusting mechanism; 201: a distance adjusting rod; 202: a locking module; 203: connecting lugs; 204: a rotation module; 210: installing a shaft; 211: a locking pin; 212: distance adjusting holes; 213: a pin body; 214: a first end cap; 215: a first shaft sleeve; 216: a second mounting hole; 217: a first mounting hole; 220: a first pin shaft; 221: a second shaft sleeve; 222: a bushing; 223: a baffle plate; 224: a second end cap.
Detailed Description
To make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the embodiments of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element to which the description refers must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the embodiments of the present invention can be understood in specific cases by those skilled in the art.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Embodiments of the present invention will be described below with reference to fig. 1 to 10. It is to be understood that the following description is only exemplary of the present invention and is not intended to limit the present invention.
As shown in fig. 1, the utility model provides a movable arm assembly, include: the arm comprises a first arm section 100, a second arm section 101 and a distance adjusting mechanism 200, wherein one end of the first arm section 100 is rotatably connected with one end of the second arm section 101, the other end of the first arm section 100 is connected with a bucket rod, and the other end of the second arm section 101 is connected with an upper vehicle part; one end of the distance adjusting mechanism 200 is rotatably connected to the first arm section 100, the other end of the distance adjusting mechanism 200 is rotatably connected to the second arm section 101, and the distance adjusting mechanism 200 can adjust the length. The adjustment of the included angle between the first arm section 100 and the second arm section 101 is realized by adjusting the length of the distance adjusting mechanism 200, so as to complete the adjustment of the length of the whole movable arm-set, wherein the length of the movable arm-set is the effective use length. For example, the shorter the length of the pitch mechanism 200, the smaller the angle between the first arm segment 100 and the second arm segment 101, and the shorter the length of the boom assembly. The first arm segment 100 and the second arm segment 101 are connected by a second pin 102.
For the distance adjusting mechanism 200 of the present invention, the distance adjusting mechanism 200 can be disposed inside the first arm section 100 and the second arm section 101, so as to effectively protect the distance adjusting mechanism 200 and reduce the space occupation; or on both sides of the first arm section 100 and the second arm section 101, to increase the supporting strength of the first arm section 100 and the second arm section 101, and to facilitate the adjustment of the length of the distance adjustment mechanism 200. In addition, the length of the distance adjusting mechanism 200 can be adjusted manually or automatically. For example, the distance adjusting mechanism 200 may be a telescopic cylinder structure or a ball screw, one end of the telescopic cylinder is rotatably connected to the first arm section 100, the other end of the telescopic cylinder is rotatably connected to the second arm section 101, and the telescopic cylinder is controlled to extend or retract by hydraulic, pneumatic, electric or other means to adjust the use length of the movable arm assembly.
For the distance adjusting mechanism 200 for manually adjusting the length, in an embodiment of the present invention, as shown in fig. 1 and fig. 2, the distance adjusting mechanism 200 includes a distance adjusting rod 201 and a locking module 202, one end of the distance adjusting rod 201 is rotatably connected to the second arm section 101, and the locking module 202 is rotatably connected to the first arm section 100; the locking module 202 is connected, for example detachably connected, to the other end of the distance adjusting rod 201. The locking module 202 locks different positions along the length direction of the distance adjusting rod 201, so that the effective use length of the distance adjusting rod 201 can be adjusted, and the whole use length of the movable arm assembly can be changed. The manually adjusted distance adjusting mechanism 200 has the advantages of simple structure, low cost and good stability.
As shown in fig. 3 and 4, in an embodiment of the present invention, at least two distance adjusting holes 212 are formed in the distance adjusting rod 201 along the length direction, and the locking module 202 penetrates through the distance adjusting holes 212 to be connected to the distance adjusting rod 201.
For the distance adjusting rod 201 of the present invention, one end of the distance adjusting rod 201 is provided with a connecting lug 203, and the connecting lug 203 is used for connecting the shaft to the second arm section 101 in a rotating manner; the other end of the distance adjusting rod 201 is provided with a plurality of distance adjusting holes 212 along the length direction, wherein the distance adjusting holes 212 can be independent of each other or communicated with each other, and the locking module 202 is connected with the distance adjusting holes 212 at different positions in a matching manner, so that the effective use length of the distance adjusting rod 201 can be adjusted, the angles of the first arm section 100 and the second arm section 101 can be adjusted, and the effective working length of the movable arm assembly can be adjusted.
With continued reference to fig. 2, in another embodiment of the present invention, the locking module 202 includes a mounting shaft 210 and a locking pin 211, the mounting shaft 210 is rotatably connected to the first arm section 100, the mounting shaft 210 includes a first mounting hole 217 and a second mounting hole 216, and the distance adjusting rod 201 passes through the first mounting hole 217; wherein, the locking pin 211 passes through the second mounting hole 216 and the distance adjusting hole 212.
To the utility model discloses an installation axle 210, as shown in fig. 5 to 7, installation axle 210 and first armlet 100 rotatable coupling, installation axle 210 includes first mounting hole 217 and second mounting hole 216, and first mounting hole 217 and second mounting hole 216 cross set up, and installation axle 210 rotates with first armlet 100 relatively around first mounting hole 217 axis direction. The distance adjusting rod 201 penetrates through the second mounting hole 216, the mounting shaft 210 and the first arm section 100 rotate relatively to adjust the direction of the distance adjusting rod 201, and after the angles of the first arm section 100 and the second arm section 101 are changed, the distance adjusting rod 201 can be conveniently extended and shortened. The locking pin 211 penetrates through the first mounting hole 217, when the distance adjusting rod 201 is placed in the second mounting hole 216, the using length of the distance adjusting rod 201 is determined, and the proper distance adjusting hole 212 is selected to be opposite to the first mounting hole 217. The locking pin 211 is inserted into the selected distance adjusting hole 212 and the first mounting hole 217 to lock the distance adjusting rod 201 on the locking module 202, so that the use length of the distance adjusting rod 201 is limited, and the length adjustment of the movable arm assembly is completed.
As shown in fig. 8 and 9, in some embodiments of the present invention, the locking pin 211 includes a first end cap 214 and a pin body 213, the first end cap 214 is connected to one end of the pin body 213, and the pin body 213 penetrates through the second mounting hole 216 and the distance adjusting hole 212; wherein, the first end cap 214 is detachably connected with the mounting shaft 210.
The first end cap 214 and the pin body 213 may be an integral structure, and the pin body 213 is inserted into the second mounting hole 216 and the distance adjusting hole 212 to limit the distance adjusting rod 201 and the locking module 202. First end cap 214 can carry on spacingly with the depth of insertion of installation axle 210 with the terminal surface laminating of installation axle 210, and simultaneously, first end cap 214 is connected with the terminal surface of installation axle 210, realizes the fixed to locking pin 211. As shown in fig. 8, a first boss 215 is provided between the mounting shaft 210 and the first arm link 100, the first boss 215 is connected to the first arm link 100, the first boss 215 and the mounting shaft 210 are rotatable relative to each other, and the mounting shaft 210 is rotatable relative to the first boss 215 in the axial direction of the first mounting hole 217.
With continued reference to fig. 8 and 9, in other embodiments of the present invention, the distance adjusting mechanism 200 further includes a rotating module 204, the rotating module 204 is mounted on the second arm segment 101, and the rotating module 204 is rotatably connected to the distance adjusting rod 201. In other words, the rotation module 204 is rotatably connected to the connection lug 203 of the distance adjusting lever 201.
With respect to the rotating module 204 of the present invention, in another other embodiment of the present invention, the rotating module 204 includes a second shaft sleeve 221 and a first pin 220, the first pin 220 is connected to the second arm segment 101, and the second shaft sleeve 221 is rotatably connected to the first pin 220; wherein the distance adjusting rod 201 is connected with the second shaft sleeve 221. Specifically, two ends of the first pin 220 are connected with the second arm section 101, the second shaft sleeve 221 is rotatably mounted in the middle of the first pin 220, the connecting lug 203 of the distance adjusting rod 201 is connected with the second shaft sleeve 221, and the distance adjusting rod 201 and the first pin 220 rotate relatively, that is, the distance adjusting rod 201 and the second arm section 101 rotate relatively. Wherein, the axis of the first pin 220 is parallel to the axis of the locking pin 211.
Further, in an optional embodiment of the present invention, the rotating module 204 further includes a bushing 222, the bushing 222 is installed on the second arm section 101, the first pin 220 penetrates the bushing 222 and is connected to the bushing 222, and one end of the distance adjusting rod 201 is disposed in the bushing 222 and is connected to the second bushing 221.
In addition, in another optional embodiment of the present invention, the rotating module 204 further includes a baffle 223 and a second end cap 224, the second end cap 224 is connected to one end of the first pin 220, the first pin 220 penetrates through the baffle 223, and the second end cap 224 is detachably connected to the baffle 223.
For example, the distance adjusting rod 201 penetrates through the bushing 222 and is connected through the second bushing 221, so that the distance adjusting rod 201 and the first pin 220 rotate, the bushing 222 is connected with two ends of the first pin 220, the first pin 220 is mounted on the second arm section 101, the two ends of the bushing 222 are provided with the baffles 223, and two ends of the first pin 220 penetrate through the baffles 223. Baffle 223 is installed on second arm section 101, and second end cover 224 is laminated with the baffle 223 of one side, and can dismantle with baffle 223 through the fastener and be connected for fixed first round pin axle 220. An oil inlet can be formed in the rotating module 204, and is used for adding lubricating liquid to lubricate the rotation of the second shaft sleeve 221 and the first pin 220.
The utility model also provides an operation machine, movable arm-unit including above-mentioned embodiment. As shown in fig. 10, in some embodiments of the present invention, the first hollow-out area 103 is disposed at the bottom of the first arm section 100, the second hollow-out area 104 is disposed at the bottom of the second arm section 101, the distance adjusting mechanism 200 is connected to the first arm section 100 through the first hollow-out area 103, and the other end of the distance adjusting mechanism 200 is connected to the second arm section 101 through the second hollow-out area 104.
The working machine may be an engineering machine such as a crane, an excavator, a pile machine, or an engineering vehicle such as a climbing truck, a fire truck, or a mixer truck.
The movable arm assembly provided by the utility model realizes the angle adjustment between the first arm section 100 and the second arm section 101 through the rotation of the first arm section 100 and the second arm section 101, thereby adjusting the effective use length of the movable arm assembly; and the locking of the rotation angle of the first arm section 100 and the second arm section 101 is realized through the distance adjusting mechanism 200 which is connected between the first arm section 100 and the second arm section 101 and has adjustable length, simple structure, convenient adjustment and low cost.
Further, the present invention provides a working machine including the above-described boom assembly, and therefore, having various advantages as described above.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A movable arm assembly, comprising:
a first arm section;
the second arm section is rotatably connected with the first arm section;
one end of the distance adjusting mechanism is rotatably connected with the first arm section, the other end of the distance adjusting mechanism is rotatably connected with the second arm section, and the length of the distance adjusting mechanism can be adjusted.
2. The movable arm assembly according to claim 1, wherein the distance adjustment mechanism comprises a distance adjustment lever and a locking module, wherein one end of the distance adjustment lever is rotatably connected with the second arm section, and the locking module is rotatably connected with the first arm section;
the locking module is connected with the other end of the distance adjusting rod.
3. The movable arm assembly according to claim 2, wherein the distance adjusting rod is provided with at least two distance adjusting holes along a length direction, and the locking module penetrates through the distance adjusting holes and is connected with the distance adjusting rod.
4. The movable arm-set according to claim 3, wherein the locking module comprises a mounting shaft and a locking pin, the mounting shaft is rotatably connected with the first arm section, the mounting shaft comprises a first mounting hole and a second mounting hole, and the distance adjusting rod penetrates through the first mounting hole;
wherein, the fitting pin runs through the second mounting hole and the roll adjustment hole.
5. The movable arm assembly according to claim 4, wherein the locking pin comprises a first end cover and a pin body, the first end cover is connected to one end of the pin body, and the pin body penetrates through the second mounting hole and the distance adjusting hole;
wherein, first end cap detachable with installation hub connection.
6. The boom assembly of claim 2, wherein the pitch mechanism further comprises a rotation module mounted on the second arm section, the rotation module being rotatably coupled to the pitch lever.
7. The movable arm-assembly according to claim 6, wherein the rotation module comprises a bushing and a first pin, the first pin is connected with the second arm joint, and the bushing is rotatably connected with the first pin;
wherein, the roll adjustment rod is connected with the shaft sleeve.
8. The boom assembly of claim 7, wherein the rotation module further comprises a bushing mounted on the second arm section, the first pin extends through the bushing and is coupled to the bushing, and one end of the distance rod is disposed within the bushing and coupled to the bushing.
9. The movable arm-set according to claim 8, wherein the rotating module further comprises a baffle plate and a second end cap, the second end cap is connected to one end of the first pin shaft, the first pin shaft penetrates through the baffle plate, and the second end cap is detachably connected to the baffle plate.
10. A work machine, characterized by comprising a boom assembly according to any of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220976893.3U CN217399760U (en) | 2022-04-25 | 2022-04-25 | Boom assembly and work machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220976893.3U CN217399760U (en) | 2022-04-25 | 2022-04-25 | Boom assembly and work machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217399760U true CN217399760U (en) | 2022-09-09 |
Family
ID=83141746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220976893.3U Expired - Fee Related CN217399760U (en) | 2022-04-25 | 2022-04-25 | Boom assembly and work machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217399760U (en) |
-
2022
- 2022-04-25 CN CN202220976893.3U patent/CN217399760U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20220909 |