CN203781705U - Rotation angle adjustable mechanism of electric cantilever crane - Google Patents
Rotation angle adjustable mechanism of electric cantilever crane Download PDFInfo
- Publication number
- CN203781705U CN203781705U CN201420101695.8U CN201420101695U CN203781705U CN 203781705 U CN203781705 U CN 203781705U CN 201420101695 U CN201420101695 U CN 201420101695U CN 203781705 U CN203781705 U CN 203781705U
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- China
- Prior art keywords
- cantilever crane
- waist
- adjustable plate
- anglec
- pressure
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Abstract
The utility model relates to a rotation angle adjustable mechanism of an electric cantilever crane. The rotation angle adjustable mechanism comprises a limiting stopper, two travel switches, a support seat and a pair of adjustable pressing plates, wherein the support seat is fixed to the end surface of a main shaft of the cantilever crane; the limiting stopper is fixed to the support seat; the pair of adjustable pressing plates are symmetrically arranged on the plane of a rotating drum; the two travel switches are respectively mounted on the pair of adjustable pressing plates; four waist-shaped holes are formed in the adjustable pressing plates; two of the four waist-shaped holes are used for adjusting and limiting the travel switches, and the other two of the four waist-shaped holes are used for adjusting the angles of the travel switches. With the adoption of the rotation angle adjustable mechanism of the electric cantilever crane, device cleanness is ensured, daily maintenance and repair are reduced, angle adjustment can be performed in different occasions, and thus the purpose of accurate locating can be realized.
Description
Technical field
The utility model relates to mechanical equipment field, relates in particular to a kind of electronic cantilever crane hoisting crane anglec of rotation adjustable mechanism.
Background technology
Current cantilever crane angle rotating device both domestic and external all adopts conventionally installs two travel switches outside column, positions to control the anglec of rotation by the limiting device on pivot arm.But the method for existing this angle rotation, have some shortcomings, one, if existing angle rotating device design and installation position goes wrong, on location, the anglec of rotation is less than normal or the anglec of rotation is bigger than normal, so just brought workpiece install or the position of stacking part not in place; They are two years old, in existing cantilever crane, limiting device and travel switch are installed in the outside of column and pivot arm, are easy to like this cause on angle rotating device, fall to having dust or be subject to external impact, can not work thereby cause angle rotating device to damage or lost efficacy; Its three, in the time that working space occurs to change, the angle rotation of cantilever crane can not meet the demands; Its four, due to rotation defined angle, need mounting base registration device, and easily there is deviation in the position that travel switch is installed, the pinpoint object of out of reach.
Utility model content
The utility model is to provide a kind of electronic cantilever crane hoisting crane anglec of rotation adjustable mechanism, has ensured the clean of device, has reduced daily maintenance and maintenance, and can meet the angle adjustability of different occasions and reach pinpoint object.
For reaching above-mentioned purpose, the utility model provides a kind of electronic cantilever crane hoisting crane anglec of rotation adjustable mechanism, comprise limiting device and travel switch, also comprise a bearing and a pair of pressure-adjustable plate, described bearing is fixed on cantilever crane main shaft end face, described limiting device is fixed on described bearing, in the plane that is arranged on rotary cylinder of a pair of described pressure-adjustable plate symmetry, described travel switch is two, be installed on respectively on a pair of described pressure-adjustable plate, described pressure-adjustable plate is provided with four waist-shaped holes, adjust spacing for described travel switch for two in four described waist-shaped holes, two other in four described waist-shaped holes adjusted angle for described travel switch.
In an embodiment of the present utility model, between described pressure-adjustable plate and described rotary cylinder, also there is a cushion block, described cushion block is fixed on described rotary cylinder by screw.
In an embodiment of the present utility model, under described screw, also there is a spring washer.
In an embodiment of the present utility model, described bearing comprises base plate and bearing axle, described limiting device is hollow structure, and described limiting device is sheathed on described bearing axle, and described limiting device rotates and screws location by holding screw around the central axis of bearing axle.
In an embodiment of the present utility model, the line hole direction of adjusting two spacing described waist-shaped holes for described travel switch on described pressure-adjustable plate is first direction, described first direction points to the axis direction of described cantilever crane main shaft, and described first direction is perpendicular to described axis direction, on described pressure-adjustable plate to adjust the line hole direction of waist-shaped hole described in two other of angle for described travel switch be second direction, described second direction and described first direction are positioned at same plane, and described second direction is perpendicular to described first direction.
Compared to prior art, electronic cantilever crane hoisting crane anglec of rotation adjustable mechanism of the present utility model, be arranged on rotary cylinder, be positioned at cantilever crane inside, thereby can prevent dust and external impact, ensure the clean of electronic cantilever crane hoisting crane anglec of rotation adjustable mechanism, reduced daily maintenance and maintenance; And electronic cantilever crane hoisting crane anglec of rotation adjustable mechanism of the present utility model is provided with pressure-adjustable plate, on pressure-adjustable plate, there is the waist-shaped hole of different directions, can carry out angle rotation in different occasions, meet the angle adjustability of different occasions, and ensured the requirement of cantilever centering in installation process, reach pinpoint object.
Brief description of the drawings
Figure 1 shows that the structural representation of electronic cantilever crane hoisting crane anglec of rotation adjustable mechanism of the present utility model.
Figure 2 shows that the enlarged diagram of the a-quadrant in Fig. 1.
Figure 3 shows that the structural representation of the bearing in Fig. 1.
Figure 4 shows that the left view of the limiting device in Fig. 1.
Figure 5 shows that the birds-eye view of the limiting device in Fig. 1.
Figure 6 shows that the structural representation of the pressure-adjustable plate in Fig. 1.
Detailed description of the invention
Technological means and effect of taking for reaching predetermined utility model object for further setting forth the utility model, below in conjunction with accompanying drawing and preferred embodiment, to detailed description of the invention, structure, feature and effect thereof according to the utility model proposes, be described in detail as follows.
Figure 1 shows that the structural representation of electronic cantilever crane hoisting crane anglec of rotation adjustable mechanism of the present utility model, Figure 2 shows that the enlarged diagram of the a-quadrant in Fig. 1.Please refer to Fig. 1 and Fig. 2, electronic cantilever crane hoisting crane anglec of rotation adjustable mechanism of the present utility model, comprises limiting device 1, travel switch 2, bearing 3 and a pair of pressure-adjustable plate 4.
Figure 3 shows that the structural representation of the bearing in Fig. 1.Please refer to Fig. 1 to Fig. 3, the cross section of bearing 3 is roughly T-shaped structure, comprises base plate 31 and bearing axle 32, and base plate 31 is vertical with bearing axle 32, and base plate 31 is fixed on by screw on the end face of cantilever crane main shaft 5, and limiting device 1 is fixed on bearing 3 by holding screw.In the plane that is arranged on rotary cylinder 6 of a pair of pressure-adjustable plate 4 symmetries, in the present embodiment, travel switch 2 is two, is installed on respectively on a pair of pressure-adjustable plate 4.Pressure-adjustable plate 4 is arranged on rotary cylinder, limiting device 1 and travel switch 2 are positioned at cantilever crane inside, can prevent from falling to having on the electronic cantilever crane hoisting crane anglec of rotation adjustable mechanism dust and external impact and damage device, thereby ensure the clean of electronic cantilever crane hoisting crane anglec of rotation adjustable mechanism, reduced daily maintenance and maintenance.
Figure 4 shows that the left view of the limiting device in Fig. 1; Figure 5 shows that the birds-eye view of the limiting device in Fig. 1.Please refer to Fig. 4 and Fig. 5, limiting device 1 is hollow structure, and it can be sheathed on the bearing axle 32 of bearing 3, when use, first limiting device 1 is sheathed on bearing axle 32, then around the central axis rotary stopper device 1 of bearing axle 32 after proper angle, then screw location by holding screw.
Figure 6 shows that the structural representation of the pressure-adjustable plate in Fig. 1.Please refer to Fig. 2 and Fig. 6, on pressure-adjustable plate 4, there are four waist-shaped holes 41,42, wherein two waist-shaped holes 41 are adjusted spacing for travel switch 2, the line hole direction of waist-shaped hole 41 is first direction (directions X), this first direction points to the axial direction (Z direction) of cantilever crane main shaft 5, and first direction is perpendicular to the axis direction of cantilever crane main shaft 5; Two other waist-shaped hole 42 is adjusted angle for travel switch 2, and the line hole direction of waist-shaped hole 42 is second direction (Y-direction), and second direction and first direction are positioned at same plane, and second direction is perpendicular to first direction.In other words, the line hole direction that is to say waist-shaped hole 41 is along the directions X in figure, and perpendicular to the Z direction at the axis direction place of cantilever crane main shaft 5, and the line hole direction of waist-shaped hole 42 is along Y-direction.The specific direction of the waist-shaped hole 41,42 on pressure-adjustable plate 4 can be carried out angle rotation in different occasions, has met the angle adjustability of different occasions.
In the present embodiment, between pressure-adjustable plate 4 and the plane of rotary cylinder 6, also have a cushion block 7, cushion block 7 is fixed in the plane of rotary cylinder 6 by screw, and under screw, is also equipped with a spring washer 8.
In the time that electronic cantilever crane hoisting crane anglec of rotation adjustable mechanism of the present utility model is installed, when mounting limit device 1, need to first limiting device 1 be adjusted on the bearing axle 32 of bearing 3 and make front and back cantilever rotate centering, and then screw location by holding screw, thereby can accurately locate.After limiting device 1 is installed and had good positioning, mobile pressure-adjustable plate 4, adjusts after angle until travel switch 2, then by screw, pressure-adjustable plate 4 is fixed in the plane of rotary cylinder 6.
In sum, electronic cantilever crane hoisting crane anglec of rotation adjustable mechanism of the present utility model, be arranged on rotary cylinder, be positioned at cantilever crane inside, thereby can prevent dust and external impact, ensure the clean of electronic cantilever crane hoisting crane anglec of rotation adjustable mechanism, reduced daily maintenance and maintenance; And electronic cantilever crane hoisting crane anglec of rotation adjustable mechanism of the present utility model is provided with pressure-adjustable plate, on pressure-adjustable plate, there is the waist-shaped hole of different directions, can carry out angle rotation in different occasions, meet the angle adjustability of different occasions, and ensured the requirement of cantilever centering in installation process, reach pinpoint object.
The above, it is only preferred embodiment of the present utility model, not the utility model is done to any pro forma restriction, although the utility model discloses as above with preferred embodiment, but not in order to limit the utility model, any those skilled in the art, do not departing within the scope of technical solutions of the utility model, when can utilizing the technology contents of above-mentioned announcement to make a little change or being modified to the equivalent embodiment of equivalent variations, in every case be not depart from technical solutions of the utility model content, any simple modification of above embodiment being done according to technical spirit of the present utility model, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (5)
1. an electronic cantilever crane hoisting crane anglec of rotation adjustable mechanism, comprise limiting device and travel switch, it is characterized in that: also comprise a bearing and a pair of pressure-adjustable plate, described bearing is fixed on cantilever crane main shaft end face, described limiting device is fixed on described bearing, in the plane that is arranged on rotary cylinder of a pair of described pressure-adjustable plate symmetry, described travel switch is two, be installed on respectively on a pair of described pressure-adjustable plate, described pressure-adjustable plate is provided with four waist-shaped holes, adjust spacing for described travel switch for two in four described waist-shaped holes, two other in four described waist-shaped holes adjusted angle for described travel switch.
2. electronic cantilever crane hoisting crane anglec of rotation adjustable mechanism as claimed in claim 1, is characterized in that: between described pressure-adjustable plate and described rotary cylinder, also have a cushion block, described cushion block is fixed on described rotary cylinder by screw.
3. electronic cantilever crane hoisting crane anglec of rotation adjustable mechanism as claimed in claim 2, is characterized in that: under described screw, also have a spring washer.
4. electronic cantilever crane hoisting crane anglec of rotation adjustable mechanism as claimed in claim 1, it is characterized in that: described bearing comprises base plate and bearing axle, described limiting device is hollow structure, described limiting device is sheathed on described bearing axle, and described limiting device rotates and screws location by holding screw around the central axis of bearing axle.
5. electronic cantilever crane hoisting crane anglec of rotation adjustable mechanism as claimed in claim 1, it is characterized in that: the line hole direction of adjusting two spacing described waist-shaped holes for described travel switch on described pressure-adjustable plate is first direction, described first direction points to the axis direction of described cantilever crane main shaft, and described first direction is perpendicular to described axis direction, on described pressure-adjustable plate to adjust the line hole direction of waist-shaped hole described in two other of angle for described travel switch be second direction, described second direction and described first direction are positioned at same plane, and described second direction is perpendicular to described first direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420101695.8U CN203781705U (en) | 2014-03-07 | 2014-03-07 | Rotation angle adjustable mechanism of electric cantilever crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420101695.8U CN203781705U (en) | 2014-03-07 | 2014-03-07 | Rotation angle adjustable mechanism of electric cantilever crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203781705U true CN203781705U (en) | 2014-08-20 |
Family
ID=51317914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420101695.8U Expired - Fee Related CN203781705U (en) | 2014-03-07 | 2014-03-07 | Rotation angle adjustable mechanism of electric cantilever crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203781705U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103863960A (en) * | 2014-03-07 | 2014-06-18 | 南京一嘉起重机械制造有限公司 | Rotation angle adjustable mechanism for electric cantilever crane |
| CN104724618A (en) * | 2015-04-17 | 2015-06-24 | 林祥莉 | Tower crane device adjusted through screws and with shockproof function and operation method of tower crane device |
-
2014
- 2014-03-07 CN CN201420101695.8U patent/CN203781705U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103863960A (en) * | 2014-03-07 | 2014-06-18 | 南京一嘉起重机械制造有限公司 | Rotation angle adjustable mechanism for electric cantilever crane |
| CN103863960B (en) * | 2014-03-07 | 2016-04-20 | 南京一嘉起重机械制造有限公司 | Electronic cantilever crane hoisting crane anglec of rotation adjustable mechanism |
| CN104724618A (en) * | 2015-04-17 | 2015-06-24 | 林祥莉 | Tower crane device adjusted through screws and with shockproof function and operation method of tower crane device |
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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 |
Granted publication date: 20140820 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |