CN205206343U - Engineering machinery and cantilever crane mechanism thereof - Google Patents
Engineering machinery and cantilever crane mechanism thereof Download PDFInfo
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- CN205206343U CN205206343U CN201520882079.5U CN201520882079U CN205206343U CN 205206343 U CN205206343 U CN 205206343U CN 201520882079 U CN201520882079 U CN 201520882079U CN 205206343 U CN205206343 U CN 205206343U
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- jib
- bearing pin
- beam mechanism
- stopping means
- axle sleeve
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Abstract
The utility model discloses an engineering machinery and cantilever crane mechanism thereof, including the revolving stage, with revolving stage articulated cantilever crane and drive arrangement, a cantilever crane and revolving stage fixedly connected with axle sleeve among both, another fixedly connected with among both and axle sleeve normal running fit's round pin axle, an axle sleeve and round pin axle circumference fixedly connected with stop device among both, among both another be provided with with the annular guide way of stop device sliding fit's part, the guide way is just concentric with the round pin axle around the round pin axle, the both ends of guide way are used for restricting stop device circumference in cantilever crane rotation range and remove. Cooperation restriction cantilever crane rotation range through annular guide way of part and stop device realizes that the machinery of cantilever crane exhibition receipts is spacing, simple reliable, can guarantee that the angle is received all the time in certain security range to the exhibition of cantilever crane mechanism. The utility model also discloses an engineering machinery of including above -mentioned cantilever crane mechanism.
Description
Technical field
The utility model relates to engineering machinery field, particularly relates to a kind of beam mechanism of engineering machinery.In addition, the utility model also relates to a kind of engineering machinery comprising said arm frame mechanism.
Background technology
Beam mechanism is a kind of important feature form conventional in engineering machinery, and because it takes up space little in whole machinery, service area large, and operating type maneuverability, can meet different instructions for uses, is therefore widely used in various engineering machinery.
Concrete mixer utilizes pressure by the plant equipment of concrete along pipeline continus convergence, is widely used in each construction works.And beam mechanism is just applied in concrete mixer, conveyance conduit is arranged along jib, the flexible flexion of arm rest frame by concrete conveyance to certain height and distance.
Please refer to Fig. 1 and Fig. 2, Fig. 1 is that schematic diagram is received in beam mechanism exhibition, and Fig. 2 is the partial schematic sectional view of a kind of beam mechanism of the prior art.By hinge between jib and turntable, and hydraulic cylinder is housed often saving between jib, by hydraulic cylinder flexible come jib exhibition receive action, decided so angle is received in the exhibition between jib by the stroke of arm support oil cylinder.And the stressing conditions that angle decides jib and oil cylinder is received in the exhibition between jib, therefore the quality of oil cylinder quality is very important.In actual production manufactures, error is inevitable, when oil cylinder stroke occur comparatively big error time, jib and cylinder force will exceed safe range, make it to be damaged and can bring potential safety hazard.
Therefore how to ensure that angle is received in the exhibition of beam mechanism is the current technical issues that need to address of those skilled in the art all the time in certain scope.
Utility model content
The purpose of this utility model is to provide a kind of beam mechanism of engineering machinery, makes it open up receipts angle and ensures all the time in certain safe range.Another object of the present utility model is to provide a kind of engineering machinery comprising said arm frame mechanism, the exhibition of its jib is received all the time in certain safe range, ensures safety.
For solving the problems of the technologies described above, the utility model provides a kind of beam mechanism of engineering machinery, comprise turntable, the jib hinged with described turntable and the drive unit for driving described jib to rotate, one in described jib and described turntable is fixedly connected with axle sleeve, another in both is fixedly connected with the bearing pin be rotatably assorted with described axle sleeve, a circumference in described axle sleeve and described bearing pin is fixedly connected with stopping means, another in both is provided with the gathering sill of the part annular be slidably matched with described stopping means, described gathering sill is with described bearing pin concentric around described bearing pin, the two ends of described gathering sill are moved in described jib rotating range inner circumferential for limiting described stopping means.
Preferably, described axle sleeve is fixedly connected on one end of described jib, and described bearing pin is fixedly connected on described turntable, and described stopping means is installed on described bearing pin, and described gathering sill is arranged at described axle sleeve.
Preferably, described bearing pin is provided with the installing hole for installing described stopping means, described stopping means comprises the alignment pin that can move axially along described installing hole and the spring for extrapolated described alignment pin, described spring fitting bottom one end of described alignment pin and described installing hole between, the other end of described alignment pin is installed in described gathering sill.
Preferably, one end of described alignment pin is provided with the guide peg that diameter is less than described alignment pin, described spring housing is loaded on described guide peg, is provided with the pilot hole coordinated with described guide peg bottom described installing hole, and the diameter of described pilot hole is less than the diameter of described installing hole.
Preferably, one end that described alignment pin is installed on described gathering sill is provided with inclined-plane.
Preferably, described axle sleeve welds with described jib, and described bearing pin is connected with described turntable bolt.
Preferably, comprise symmetrically arranged two described axle sleeves, all hinged described bearing pin in two described axle sleeves, two described axle sleeves are provided with described stopping means.
The utility model also provides a kind of engineering machinery, and comprise vehicle body and be installed on the beam mechanism of described vehicle body, described beam mechanism is specially the beam mechanism described in above-mentioned any one.
Preferably, described engineering machinery is specially concrete mixer.
The beam mechanism of the engineering machinery that the utility model provides, comprise turntable, the jib hinged with turntable and drive unit, one in jib and turntable is fixedly connected with axle sleeve, another in both is fixedly connected with the bearing pin be rotatably assorted with axle sleeve, a circumference in axle sleeve and bearing pin is fixedly connected with stopping means, another in both is provided with the gathering sill of the part annular be slidably matched with stopping means, gathering sill is concentric with bearing pin around bearing pin, and the two ends of gathering sill move in jib rotating range inner circumferential for limiting stopping means.When jib launches, the relative turntable of jib rotates, axle sleeve and bearing pin also relatively rotate, one end of stopping means is fixedly connected with in both circumference, and the other end slides in gathering sill, when stopping means slides into one end of gathering sill, pass through mechanical position limitation, stopping means and gathering sill can not relative slidings again, then jib and turntable can not relatively rotate again, and jib can not launch again; When jib is regained, the other end of stopping means slides in opposite direction in gathering sill, and when stopping means slides into the other end of gathering sill, stopping means and gathering sill can not relative slidings again, then jib and turntable can not relatively rotate again, and jib can not be regained again.The mechanical position limitation that receipts opened up by jib is realized by the cooperation of gathering sill and stopping means, simple and reliable, can ensure that the exhibition of beam mechanism receives angle all the time in certain safe range.
The engineering machinery that the utility model provides comprises said arm frame mechanism, and because said arm frame mechanism has above-mentioned technique effect, above-mentioned engineering machinery also should have same technique effect, introduces no longer in detail at this.
Accompanying drawing explanation
Fig. 1 is that schematic diagram is received in beam mechanism exhibition;
Fig. 2 is the partial schematic sectional view of a kind of beam mechanism of the prior art;
Fig. 3 is the cross-sectional schematic of a kind of detailed description of the invention of beam mechanism provided by the utility model;
Fig. 4 is the partial enlarged drawing of part A in Fig. 3;
Fig. 5 is the scheme of installation of stopping means in a kind of detailed description of the invention of beam mechanism provided by the utility model;
Fig. 6 is the structural representation of a kind of detailed description of the invention bottom bracket axle of beam mechanism provided by the utility model;
Fig. 7 is the structural representation of bearing pin in a kind of detailed description of the invention of beam mechanism provided by the utility model.
Detailed description of the invention
Core of the present utility model is to provide a kind of beam mechanism of engineering machinery, makes it open up receipts angle and ensures all the time in certain safe range.Another core of the present utility model is to provide a kind of engineering machinery comprising said arm frame mechanism, the exhibition of its jib is received all the time in certain safe range, ensures safety.
In order to make those skilled in the art person understand the utility model scheme better, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Please refer to Fig. 1 to Fig. 7, Fig. 1 is that schematic diagram is received in beam mechanism exhibition; Fig. 2 is the partial schematic sectional view of a kind of beam mechanism of the prior art; Fig. 3 is the cross-sectional schematic of a kind of detailed description of the invention of beam mechanism provided by the utility model; Fig. 4 is the partial enlarged drawing of part A in Fig. 3; Fig. 5 is the scheme of installation of stopping means in a kind of detailed description of the invention of beam mechanism provided by the utility model; Fig. 6 is the structural representation of a kind of detailed description of the invention bottom bracket axle of beam mechanism provided by the utility model; Fig. 7 is the structural representation of bearing pin in a kind of detailed description of the invention of beam mechanism provided by the utility model.
The beam mechanism that the utility model detailed description of the invention provides, comprise turntable 1, the jib 2 hinged with turntable 1 and the drive unit 8 for driving described jib 2 to rotate, one in both jib 2 and turntable 1 is fixedly connected with axle sleeve 4, another in both is fixedly connected with the bearing pin 3 be rotatably assorted with axle sleeve 4, a circumference in both axle sleeve 4 and bearing pin 3 is fixedly connected with stopping means 5, another in both is provided with the gathering sill 6 of the part annular be slidably matched with stopping means 5, gathering sill 6 is with bearing pin 3 concentric around bearing pin 3, the two ends of gathering sill 6 are moved in jib 2 rotating range inner circumferential for limiting stopping means 5.
In the beam mechanism that the utility model detailed description of the invention provides, axle sleeve 4 can be arranged on multiple position, and axle sleeve 4 can be fixedly connected on one end of jib 2 particularly, the bearing pin 3 be rotatably assorted with axle sleeve 4 is fixedly installed on turntable 1.Bearing pin 3 is fixedly connected with turntable 1, and axle sleeve 4 is fixedly connected with jib, then rotate around bearing pin 3 while that jib 2 opening up time receiving jib 2 and axle sleeve 4.Also can be fixedly connected on turntable 1 by axle sleeve 4, bearing pin 3 is fixedly installed on jib 2, all within protection domain of the present utility model.
In addition, in order to better mechanical position limitation effect can be realized, can stopping means 5 circumference be fixedly mounted on bearing pin 3, axle sleeve 4 be processed with the gathering sill 6 of part annular.Gathering sill 6 adds man-hour, and its position and distance will be received angle according to the design exhibition of jib 2 and determine, gathering sill 6 is concentric with bearing pin, to ensure that the smooth exhibition of jib 2 is received.Certainly, also can be fixedly mounted on axle sleeve 4 by stopping means 5 circumference, the gathering sill 6 of processing part annular on bearing pin 3, all within protection domain of the present utility model.
When jib 2 launches, jib 2 relatively turntable 1 rotates, axle sleeve 4 and bearing pin 3 also relatively rotate, one end of stopping means 5 is fixedly connected with in both circumference, and the other end slides in gathering sill 6, when stopping means 5 slides into one end of gathering sill 6, pass through mechanical position limitation, stopping means 5 and gathering sill 6 can not relative slidings again, then jib 2 and turntable 1 can not relatively rotate again, and jib 2 can not launch again; When jib 2 is regained, the other end of stopping means 5 slides in opposite direction in gathering sill 6, and when stopping means 5 slides into the other end of gathering sill 6, stopping means 5 and gathering sill 6 can not relative slidings again, then jib 2 and turntable 1 can not relatively rotate again, and jib 2 can not be regained again.The rotating range of jib 2 is limited by the gathering sill 6 of part annular and the cooperation of stopping means 5, realize jib 2 and open up the mechanical position limitation received, it is simple and reliable for structure, easily processing and assembling, can ensure that the exhibition of jib 2 mechanism receives angle all the time in certain safe range.
Axle sleeve 4 has multiple connected mode with jib 2 and bearing pin 3 with turntable 1, and particularly, axle sleeve 4 can be welded on jib 2, firmly and reliable; Bearing pin 3 can be connected by bolt with turntable 1, is convenient to installation and removal.Other connected mode can certainly be adopted, as long as being fixedly connected with, all within protection domain of the present utility model of axle sleeve 4 and jib 2 and bearing pin 3 and turntable 1 can be ensured.
Stopping means 5 is fixedly connected with bearing pin 3 circumference, and its connected mode has multiple, can process installing hole 7 particularly on bearing pin 3, and one end of stopping means 5 is arranged in installing hole 7.Also can realize stopping means 5 by other connected modes such as clampings to be fixedly connected with the circumference of bearing pin 3, all within protection domain of the present utility model.
Stopping means 5 can have various structures, alignment pin 51 and spring 52 can be comprised particularly, between spring 52 is arranged on bottom one end of alignment pin 51 and installing hole 7, alignment pin 51 can move axially along installing hole 7 under the effect of spring 52, and the other end of alignment pin 51 is arranged in gathering sill 6.
Can move axially along installing hole 7 accurately to make alignment pin 51, one end of alignment pin 51 can be provided with guide peg 53, the pilot hole 71 coordinated with guide peg 53 is processed in the bottom of installing hole 7, the diameter of guide peg 53 is less than alignment pin 51, the diameter of pilot hole 71 is less than the diameter of installing hole 7 and is greater than the diameter of guide peg 53, spring 52 is sleeved on guide peg 53, guide peg 53 can stretch in pilot hole 71 away from one end of alignment pin 51, under the effect of spring 52, alignment pin 51 can move axially along installing hole 7, and the other end of alignment pin 51 can stretch in gathering sill 6.Certainly, guide peg 53 and pilot hole 71 also can not be set, all within protection domain of the present utility model.
In the beam mechanism that the utility model detailed description of the invention provides, for the ease of the installation of bearing pin 3, one end that the alignment pin 51 of stopping means 5 is installed on gathering sill 6 can be designed as wedge structure, and namely this end has inclined-plane.When bearing pin 3 is installed, when bearing pin 3 is through axle sleeve 4, axle sleeve 4 end face withstands the inclined-plane of alignment pin 51 one end, to be clamp-oned by alignment pin 51 in the installing hole 7 on bearing pin 3 by spring 52, when bearing pin 3 is in place, the alignment pin 51 of stopping means 5 is headed into by spring 52 in the gathering sill 6 on axle sleeve 4 again.
On the basis of above-mentioned each detailed description of the invention, in order to make beam mechanism more firm, the exhibition of jib 2 is received more smooth, jib 2 can be symmetrical arranged two axle sleeves 4, two axle sleeves 4 all hinging pin shafts 3, two axle sleeves 4 are provided with stopping means 5, and two stopping means 5 can make jib 2 open up the mechanical position limitation of receipts more accurately with firm, better can ensure the trouble free service of beam mechanism.The quantity of axle sleeve 4 and stopping means 5 also can be determined according to the size that the size of beam mechanism, jib 2 and bearing pin 3 are stressed; as plural axle sleeve 4 also can be arranged on jib 2; axle sleeve 4 also can be provided with multiple stopping means 5, all within protection domain of the present utility model.
Except said arm frame mechanism, detailed description of the invention of the present utility model also provides a kind of engineering machinery comprising said arm frame mechanism, and the structure of other each several parts of this project machinery please refer to prior art, repeats no more herein.
Particularly, above-mentioned engineering machinery can be concrete mixer.
Above engineering machinery provided by the utility model and beam mechanism thereof are described in detail.Apply specific case herein to set forth principle of the present utility model and embodiment, the explanation of above embodiment just understands method of the present utility model and core concept thereof for helping.Should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model principle, can also carry out some improvement and modification to the utility model, these improve and modify and also fall in the protection domain of the utility model claim.
Claims (9)
1. the beam mechanism of an engineering machinery, comprise turntable (1), the jib (2) hinged with described turntable (1) and the drive unit (8) for driving described jib (2) to rotate, in both one of described jib (2) and described turntable (1) is fixedly connected with axle sleeve (4), another in both is fixedly connected with the bearing pin (3) be rotatably assorted with described axle sleeve (4), it is characterized in that, described axle sleeve (4) and described bearing pin (3) circumference in both is fixedly connected with stopping means (5), another in both is provided with the gathering sill (6) of the part annular be slidably matched with described stopping means (5), described gathering sill (6) is with described bearing pin (3) concentric around described bearing pin (3), the two ends of described gathering sill (6) are moved in described jib (2) rotating range inner circumferential for limiting described stopping means (5).
2. beam mechanism according to claim 1, it is characterized in that, described axle sleeve (4) is fixedly connected on one end of described jib (2), described bearing pin (3) is fixedly connected on described turntable (1), described stopping means (5) is installed on described bearing pin (3), and described gathering sill (6) is arranged at described axle sleeve (4).
3. beam mechanism according to claim 2, it is characterized in that, described bearing pin (3) is provided with the installing hole (7) for installing described stopping means (5), described stopping means (5) comprises the alignment pin (51) that can move axially along described installing hole (7) and the spring (52) for extrapolated described alignment pin, described spring (52) is installed between one end of described alignment pin (51) and described installing hole (7) bottom, and the other end of described alignment pin (51) is installed in described gathering sill (6).
4. beam mechanism according to claim 3, it is characterized in that, one end of described alignment pin (51) is provided with the guide peg (53) that diameter is less than described alignment pin (51), described spring (52) is set in described guide peg (53), described installing hole (7) bottom is provided with the pilot hole (71) coordinated with described guide peg (53), and the diameter of described pilot hole (71) is less than the diameter of described installing hole (7).
5. beam mechanism according to claim 4, is characterized in that, one end that described alignment pin (51) is installed on described gathering sill (6) is provided with inclined-plane.
6. beam mechanism according to claim 2, is characterized in that, described axle sleeve (4) welds with described jib (2), and described bearing pin (3) is connected with described turntable (1) bolt.
7. the beam mechanism according to claim 1 to 6 any one, it is characterized in that, comprise symmetrically arranged two described axle sleeves (4), all hinged described bearing pin (3) in two described axle sleeves (4), two described axle sleeves (4) are provided with described stopping means (5).
8. an engineering machinery, comprise vehicle body and be installed on the beam mechanism of described vehicle body, it is characterized in that, described beam mechanism is specially the beam mechanism described in claim 1 to 7 any one.
9. engineering machinery according to claim 8, is characterized in that, described engineering machinery is specially concrete mixer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520882079.5U CN205206343U (en) | 2015-11-06 | 2015-11-06 | Engineering machinery and cantilever crane mechanism thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520882079.5U CN205206343U (en) | 2015-11-06 | 2015-11-06 | Engineering machinery and cantilever crane mechanism thereof |
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| Publication Number | Publication Date |
|---|---|
| CN205206343U true CN205206343U (en) | 2016-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520882079.5U Active CN205206343U (en) | 2015-11-06 | 2015-11-06 | Engineering machinery and cantilever crane mechanism thereof |
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| CN (1) | CN205206343U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108916619A (en) * | 2018-10-15 | 2018-11-30 | 智卓（深圳）电子科技有限公司 | Rotation limiting structure and hand-held holder |
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2015
- 2015-11-06 CN CN201520882079.5U patent/CN205206343U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108916619A (en) * | 2018-10-15 | 2018-11-30 | 智卓（深圳）电子科技有限公司 | Rotation limiting structure and hand-held holder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201012 Address after: No.202 Xuanfu street, Xuanhua District, Zhangjiakou, Hebei Province Patentee after: Hebei Leisa Heavy Construction Machinery Co., Ltd Address before: 102206 Changping District City, Shahe, Sha Yang Road, Beijing Patentee before: BEIQI FOTON MOTOR Co.,Ltd. |
|
| TR01 | Transfer of patent right |