CN102602824A - Suspension arm electric induction device and crane - Google Patents
Suspension arm electric induction device and crane Download PDFInfo
- Publication number
- CN102602824A CN102602824A CN2012100538265A CN201210053826A CN102602824A CN 102602824 A CN102602824 A CN 102602824A CN 2012100538265 A CN2012100538265 A CN 2012100538265A CN 201210053826 A CN201210053826 A CN 201210053826A CN 102602824 A CN102602824 A CN 102602824A
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- inductive switch
- nylon sheet
- hole
- electric induction
- arm
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- 230000006698 induction Effects 0.000 title claims abstract description 49
- 239000000725 suspension Substances 0.000 title abstract 4
- 230000001939 inductive effect Effects 0.000 claims abstract description 65
- 239000004677 Nylon Substances 0.000 claims abstract description 59
- 229920001778 nylon Polymers 0.000 claims abstract description 59
- 238000009434 installation Methods 0.000 claims description 36
- 230000006835 compression Effects 0.000 abstract description 5
- 238000007906 compression Methods 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000001514 detection method Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 239000012467 final product Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The invention discloses an electric induction device for a suspension arm, which comprises an induction switch assembly and an induction block assembly. The inductive switch assembly comprises a first nylon plate, an inductive switch, a spring, a pin shaft and a support, wherein the first nylon plate is provided with a first through hole and a second through hole, the inductive switch is installed in the first through hole, the spring is sleeved on the pin shaft, and the pin shaft penetrates through the second through hole and is installed at one end of the support. The sensing block assembly comprises a second nylon plate and a sensing block, the sensing block is arranged on the second nylon plate, and the sensing switch assembly detects the sensing block through a compression spring. The invention also discloses a crane. According to the suspension arm electric induction device and the crane, the spring is arranged in the induction switch assembly, so that a certain overlapping amount of the induction block assembly and the induction switch assembly can be ensured when the induction block assembly and the induction switch assembly are in relative motion contact, the induction switch can be ensured to reliably detect the induction block, and the suspension arm electric induction device and the crane are favorable for maintenance.
Description
Technical field
The present invention relates to the mechanical rotation field, particularly relate to electric induction installation of a kind of arm and hoisting crane.
Background technology
Generally be provided with the electric induction installation of arm in the crane arm, be used to detect the state of arm.
In the electric induction installation of the arm of prior art; A plurality of inductive switches are installed on the telescopic oil cylinder in the arm with arrangement mode independently of each other; Independently of each other be installed in arm in arrangement mode a plurality of sensor blocks; When telescopic oil cylinder was worked, inductive switch touches sensor block just can accomplish detection.Yet this mode is not considered inductive switch and sensor block and can be misplaced; To such an extent as to inductive switch does not reach sensor block; Do not consider the stressing conditions of inductive switch yet; When inductive switch receives the very big pressure of sensor block, may damage inductive switch, this all is unfavorable for the care and maintenance of electric induction installation.
Therefore, need to propose the electric induction installation of a kind of arm, receive sensor block extruding and inductive switch to detect problem less than sensor block with the inductive switch that solves the electric induction installation of prior art arm.
Summary of the invention
The technical matters that the present invention mainly solves provides electric induction installation of a kind of arm and hoisting crane, can guarantee the reliable Detection of inductive switch to sensor block.
For solving the problems of the technologies described above; The invention provides the electric induction installation of a kind of arm, the electric induction installation of this arm comprises inductive switch assembly and sensor block assembly, and the inductive switch assembly comprises first nylon sheet, inductive switch, spring, bearing pin and bearing; First nylon sheet has first through hole and second through hole; Inductive switch is installed in first through hole, and spring housing is on bearing pin, and bearing pin passes the end that second through hole is installed on bearing; The sensor block assembly comprises second nylon sheet and sensor block, and sensor block is installed on second nylon sheet, and the inductive switch assembly detects sensor block through compression spring.
Wherein, the inductive switch assembly comprises fastener, and fastener is fixed in bearing pin at one end of bearing.
Wherein, the inductive switch assembly comprises axle sleeve, and axle sleeve is installed in second through hole, and bearing pin passes axle sleeve, and an end of spring is against an end face of bearing, and the other end of spring is positioned at axle sleeve.
Wherein, first nylon sheet is cuboid, and slope shape is arranged in the both sides of the length direction of first nylon sheet.
Wherein, first through hole is a plurality of.
Wherein, second through hole is a plurality of, and said a plurality of second through holes are symmetrically distributed on the axis of symmetry of length direction of first nylon sheet.
Wherein, second nylon sheet is a cuboid, and the both sides of the second nylon sheet length direction are arranged to and the cooresponding slope shape of first nylon sheet.
Wherein, second nylon sheet has a plurality of mounting holes, and a plurality of mounting holes are symmetrical in the central distribution of second nylon sheet and parallel with the axis of symmetry of second nylon sheet.
Wherein, first through hole is a tapped bore, and inductive switch is installed in first through hole with removably.
For solving the problems of the technologies described above; The present invention also provides a kind of hoisting crane, and it comprises arm and telescopic oil cylinder, and telescopic oil cylinder is positioned at arm; This hoisting crane also comprises above-mentioned any electric induction installation of arm; Wherein, the inductive switch assembly is fixed in telescopic oil cylinder through bearing, and the sensor block assembly is fixed in the afterbody of arm through second nylon sheet.
The invention has the beneficial effects as follows: the situation that is different from prior art; Electric induction installation of arm of the present invention and hoisting crane are through being arranged on spring in the inductive switch assembly; Can guarantee that sensor block assembly and inductive switch assembly have certain coincidence amount when relative motion contacts; This coincidence amount is converted into the compression of spring amount, makes telescopic oil cylinder and arm center exist under certain deviation situation, still can detect sensor block; Guarantee the reliable Detection of inductive switch thus, be beneficial to care and maintenance sensor block.
Further, in the present invention, the sensor block assembly structure is simple, can avoid the restriction of the length of sensor block.In addition, in the present invention, the use amount of inductive switch medi-spring is few, can reduce the hair fastener probability of spring, has simplified the structure and the functional reliability that has improved the electric induction installation of arm of the electric induction installation of arm.
Description of drawings
Fig. 1 is the part-structure scheme drawing of the hoisting crane of first embodiment of the invention;
Fig. 2 is the front elevation of inductive switch assembly of the electric induction installation of arm of first embodiment of the invention;
Fig. 3 is the birds-eye view of inductive switch assembly shown in Figure 2;
Fig. 4 is the lateral plan of inductive switch assembly shown in Figure 2;
Fig. 5 is the front elevation of sensor block assembly of the electric induction installation of arm of first embodiment of the invention;
Fig. 6 is the cutaway view of the Width of sensor block assembly shown in Figure 5;
Fig. 7 is the cutaway view of the length direction of sensor block assembly shown in Figure 5.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is elaborated.
See also Fig. 1, shown in Figure 1 is the part-structure scheme drawing of the hoisting crane of first embodiment of the invention.As shown in Figure 1, hoisting crane comprises arm 31, is positioned at the telescopic oil cylinder 32 and the electric induction installation 30 of arm of arm 31.The electric induction installation 30 of arm comprises inductive switch assembly 10 and sensor block assembly 20.Wherein, inductive switch assembly 10 is installed on the telescopic oil cylinder 32, and sensor block assembly 20 is installed in the afterbody of arm 31.
See also Fig. 2, shown in Figure 2 is the front elevation of inductive switch assembly of the electric induction installation of arm of first embodiment of the invention.Inductive switch assembly 10 comprises first nylon sheet 11, inductive switch 12, bearing pin 14 and bearing 15.
Wherein, first nylon sheet 11 is cuboid, has first through hole 111 and second through hole 112 on it.In the present embodiment, first through hole 111 is a tapped bore, and inductive switch 12 is installed in first through hole 111 with removably.
In the present embodiment, first through hole 111 is three and equidistantly is distributed on the axis of symmetry of Width of first nylon sheet 11.Second through hole 112 is two and is symmetrically distributed on the axis of symmetry of length direction of first nylon sheet 11.Second through hole 112 is the ladder unthreaded hole, and bearing pin 14 passes on the end that second through hole 112 is installed on bearing 15.Should be understood that in other embodiments the visual actual conditions setting in the quantity of the quantity of first through hole 111 and position and second through hole 112 and position.
Shown in Figure 3 is the birds-eye view of inductive switch assembly shown in Figure 2.Please consult shown in Figure 3ly in the lump, in the present embodiment, slope shape is arranged in the both sides of the length direction of first nylon sheet 11, is used for guiding.
The other end of bearing 15 is provided with protrusion 151, and protrusion 151 is provided with tapped bore 152 and tapped bore 153, is used for bearing 15 is fixed in telescopic oil cylinder 32.
Shown in Figure 4 is the lateral plan of inductive switch assembly shown in Figure 2.Please consult shown in Figure 4 in the lump.Inductive switch assembly 10 also comprises axle sleeve 17, and axle sleeve 17 is installed in second through hole 112, and bearing pin 14 passes axle sleeve 17, and an end of spring 13 is against the end face of bearing 15, and the other end of spring 13 is positioned at axle sleeve 17 and is resisted against the end face of axle sleeve 17.
In the present embodiment, inductive switch 12 is that three, spring 13, bearing pin 14 and axle sleeve 17 are two.Should be understood that in other embodiments the quantity of inductive switch 12 can be corresponding to the quantity setting of first through hole 111, the quantity of spring 13, bearing pin 14 and axle sleeve 17 can be corresponding to the quantity setting of second through hole 112.
See also Fig. 5, shown in Figure 5 is the front elevation of sensor block assembly of the electric induction installation of arm of first embodiment of the invention.Sensor block assembly 20 comprises second nylon sheet 21 and sensor block 22.Sensor block 22 is installed on second nylon sheet 21.
In the present embodiment; Second nylon sheet 21 is provided with four mounting holes; And four mounting hole 21a, 21b, 21c and 21d are symmetrical in the central distribution of second nylon sheet 21 and parallel with the axis of symmetry of second nylon sheet 21, and second nylon sheet 21 is fixed in the afterbody of arm 31 through four mounting hole 21a, 21b, 21c and 21d.In other embodiments, the quantity of the mounting hole on second nylon sheet 21 and position visual actual conditions adjustment is set also or not is provided with mounting hole, second nylon sheet 21 is fixed in the afterbody of arm 31 with mode such as bonding.
Shown in Figure 6 is the cutaway view of the Width of sensor block assembly shown in Figure 5.Please consult shown in Figure 6ly in the lump, sensor block 22 is arranged on the surface of second nylon sheet 21 and the side of length direction, and mounting hole 21a (being blocked among the figure), 21b (being blocked among the figure), 21c and 21d run through second nylon sheet 21.In the present embodiment, sensor block 22 passes through screw retention in the surface of second nylon sheet 21.In other embodiments, sensor block 22 is fixed on second nylon sheet 21 through other modes, and is for example bonding.
Shown in Figure 7 is the cutaway view of the length direction of sensor block assembly shown in Figure 5.Please consult shown in Figure 7 in the lump.Sensor block 22 further is arranged on the side of the Width of second nylon sheet 21, and fixes through screw.Second nylon sheet, 21 relative first nylon sheet 11 are arranged to cuboid, and the both sides of the length direction of second nylon sheet 21 are arranged to and first nylon sheet, 11 cooresponding slope shapes, are used for guiding.
Please consult shown in Figure 1ly again, the mode of operation of electric induction installation of arm of the present invention and hoisting crane below will be described, particularly:
Telescopic oil cylinder 32 is when the internal motion of arm 31; When the afterbody of inductive switch assembly 10 through arm 31; Sensor block on the sensor block assembly 20 contacts with first nylon sheet on the inductive switch assembly 10; Spring on the inductive switch assembly 10 is compressed, and the inductive switch that is installed on first nylon sheet detects sensor block; When inductive switch assembly 10 leaves the afterbody of arm 31, first nylon sheet resets under action of the spring.The electric induction installation 30 of arm utilizes the elastic reaction of spring can guarantee that sensor block assembly 20 has certain overlap ratio when contacting with inductive switch assembly 10; This overlap ratio is converted into the compression of spring amount; So that the center of telescopic oil cylinder 32 and arm 31 has under certain deviation situation, inductive switch still can detect sensor block.Further; Because the both sides of first nylon sheet of inductive switch assembly 10 and the both sides of second nylon sheet on the sensor block assembly 20 all are arranged for the slope shape of guiding; Can guarantee that inductive switch assembly 10 effectively contacts with sensor block assembly 20, so that inductive switch is to the sensor block reliable Detection.In addition,, can reduce the usage quantity and the hair fastener probability of spring, guarantee the working stability of the electric induction installation 30 of arm because spring is arranged on the inductive switch assembly.
By the way; Electric induction installation of arm of the present invention and hoisting crane can guarantee that through spring being arranged in the inductive switch assembly sensor block assembly and inductive switch assembly have certain coincidence amount when relative motion contacts, and this coincidence amount is converted into the compression of spring amount; Make telescopic oil cylinder and arm center exist under certain deviation situation; Still can detect sensor block, guarantee the reliable Detection of inductive switch, be beneficial to care and maintenance sensor block.In addition, in the present invention, the use amount of inductive switch medi-spring is few, can reduce the hair fastener probability of spring thus, has simplified the structure and the functional reliability that has improved the electric induction installation of arm of the electric induction installation of arm.
Further, in the present invention, the sensor block assembly structure is simple, can avoid the restriction of the length of sensor block, can be with the length of sensor block according to the required maximum of accomplishing of reality.
The above is merely embodiments of the invention; Be not so limit claim of the present invention; Every equivalent structure or equivalent flow process conversion that utilizes specification sheets of the present invention and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (10)
1. electric induction installation of arm; It is characterized in that comprise inductive switch assembly and sensor block assembly, the inductive switch assembly comprises first nylon sheet, inductive switch, spring, bearing pin and bearing; Said first nylon sheet has first through hole and second through hole; Said inductive switch is installed in said first through hole, and said spring housing is on said bearing pin, and said bearing pin passes on the end that said second through hole is installed on said bearing; The sensor block assembly comprises second nylon sheet and sensor block, and said sensor block is installed on said second nylon sheet, and said inductive switch assembly detects said sensor block through compressing said spring.
2. the electric induction installation of arm according to claim 1 is characterized in that said inductive switch assembly comprises fastener, and said fastener is fixed in said bearing pin at one end of said bearing.
3. the electric induction installation of arm according to claim 1; It is characterized in that; Said inductive switch assembly comprises axle sleeve, and said axle sleeve is installed in said second through hole, and said bearing pin passes said axle sleeve; One end of said spring is against an end face of said bearing, and the other end of said spring is positioned at said axle sleeve.
4. the electric induction installation of arm according to claim 1 is characterized in that said first nylon sheet is cuboid, and slope shape is arranged in the both sides of the length direction of said first nylon sheet.
5. the electric induction installation of arm according to claim 4 is characterized in that said first through hole is a plurality of.
6. the electric induction installation of arm according to claim 4 is characterized in that said second through hole is a plurality of, and said a plurality of second through holes are symmetrically distributed on the axis of symmetry of length direction of said first nylon sheet.
7. the electric induction installation of arm according to claim 4 is characterized in that said second nylon sheet is a cuboid, and the both sides of the said second nylon sheet length direction are arranged to and the cooresponding slope shape of said first nylon sheet.
8. the electric induction installation of arm according to claim 7 is characterized in that said second nylon sheet has a plurality of mounting holes, and said a plurality of mounting holes are symmetrical in the central distribution of said second nylon sheet and parallel with the axis of symmetry of said second nylon sheet.
9. the electric induction installation of arm according to claim 1 is characterized in that said first through hole is a tapped bore, and said inductive switch is installed in said first through hole with removably.
10. hoisting crane; Comprise arm and telescopic oil cylinder, said telescopic oil cylinder is positioned at said arm, it is characterized in that; Said hoisting crane also comprises according to the electric induction installation of each described arm in the claim 1 to 9; Wherein, said inductive switch assembly is fixed in said telescopic oil cylinder through said bearing, and said sensor block assembly is fixed in the afterbody of said arm through said second nylon sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210053826 CN102602824B (en) | 2012-03-02 | 2012-03-02 | Suspension arm electric induction device and crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210053826 CN102602824B (en) | 2012-03-02 | 2012-03-02 | Suspension arm electric induction device and crane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102602824A true CN102602824A (en) | 2012-07-25 |
| CN102602824B CN102602824B (en) | 2013-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210053826 Active CN102602824B (en) | 2012-03-02 | 2012-03-02 | Suspension arm electric induction device and crane |
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| Country | Link |
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| CN (1) | CN102602824B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103035422A (en) * | 2012-12-24 | 2013-04-10 | 长沙中联重科环卫机械有限公司 | Approach switch and horizontal garbage compressor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4045923A (en) * | 1976-05-06 | 1977-09-06 | Walter Kidde & Company, Inc. | Telescopic swingaway jib |
| JPS59170220U (en) * | 1983-04-28 | 1984-11-14 | 株式会社小松製作所 | Potentiometer mounting device to crane foot pin position |
| EP0943580A2 (en) * | 1998-03-18 | 1999-09-22 | Grove U.S. LLC | Lateral jib locking device |
| JP2006282342A (en) * | 2005-03-31 | 2006-10-19 | Kobelco Cranes Co Ltd | Telescopic boom |
| JP2009292584A (en) * | 2008-06-04 | 2009-12-17 | Aichi Corp | Wire cutting detection device in telescopic boom |
-
2012
- 2012-03-02 CN CN 201210053826 patent/CN102602824B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4045923A (en) * | 1976-05-06 | 1977-09-06 | Walter Kidde & Company, Inc. | Telescopic swingaway jib |
| JPS59170220U (en) * | 1983-04-28 | 1984-11-14 | 株式会社小松製作所 | Potentiometer mounting device to crane foot pin position |
| EP0943580A2 (en) * | 1998-03-18 | 1999-09-22 | Grove U.S. LLC | Lateral jib locking device |
| JP2006282342A (en) * | 2005-03-31 | 2006-10-19 | Kobelco Cranes Co Ltd | Telescopic boom |
| JP2009292584A (en) * | 2008-06-04 | 2009-12-17 | Aichi Corp | Wire cutting detection device in telescopic boom |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103035422A (en) * | 2012-12-24 | 2013-04-10 | 长沙中联重科环卫机械有限公司 | Approach switch and horizontal garbage compressor |
| CN103035422B (en) * | 2012-12-24 | 2015-03-18 | 长沙中联重科环卫机械有限公司 | Approach switch and horizontal garbage compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102602824B (en) | 2013-11-06 |
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