CN105179520B - Crane click apparatus - Google Patents
Crane click apparatus Download PDFInfo
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- CN105179520B CN105179520B CN201510648361.1A CN201510648361A CN105179520B CN 105179520 B CN105179520 B CN 105179520B CN 201510648361 A CN201510648361 A CN 201510648361A CN 105179520 B CN105179520 B CN 105179520B
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Abstract
The characteristics of a kind of crane is with click apparatus be：Ratchet side is provided with hole, and the aperture in the hole is less than the alveolus outside circle internal diameter of ratchet.The opposite side of ratchet is provided with circular groove, and the diameter of the circular groove is more than the alveolus root circle external diameter of ratchet.Circle former is fixed on the axle sleeve provided with inner hole key slot.At least provided with axis hole on circle former, it is cased with the hinge of ratchet and is fixed in the axis hole, the vertical direction of the plane that the sleeve equipped with spring and push rod is contacted in circle former by axis with being acted on ratchet with push rod is fixed.It is activity fit clearance between the alveolus outside circle inner peripheral surface of ratchet and two pieces of round former outer circumference surfaces.Baffle plate is fixed on the circular groove periphery of ratchet side.Its advantage is：Spring is in sleeve, highly stable, and deflection, instability status or else occur.It is not in the situation of fracture.The simple shape of ratchet and wheel hub, it is easy to be molded, reduces processing cost, while providing reliable guarantee for the safety in production of equipment and operating personnel.
Description
Technical field
The present invention relates to speed reducer of crane structure.
Background technology
It in the mechanism map of main lifting mechanism of foundry crane reductor, figure I and II is two sets of clicks dresses respectively that Fig. 1, which is,
Put the position signal in mechanism.The click apparatus of prior art is as shown in Fig. 2 mainly have ratchet 1 ', hinge 2 ', ratchet
3 ', the component such as push rod 4 ', spring 5 ' and wheel hub 6 ' composition, ratchet 3 ' is hinged by hinge 2 ' with wheel hub 6 '.During normal work, push away
The top of bar 4 ' is pressed against on ratchet 3 ' in the presence of spring 5 ', and the head end of ratchet 3 ' withstands on ratchet 1 ' due to the effect of push rod 4 '
The interior gear teeth on.When ratchet 1 ' turns clockwise, band pawl 3 ' and wheel hub 6 ' rotate；Ratchet 1 ' revolves counterclockwise with respect to ratchet 3 '
When turning, ratchet 1 ' is in sliding mode with wheel hub 6 '.The problem of existing click apparatus is present be：1) as shown in Fig. 2 push rod
The guiding length that the slotted eye opened on 4 ' elongate form, wheel hub 6 ' rises to it is shorter, only accounts for the 1/3~1/4 of its length；Ratchet 3 '
It is the radial direction along the head of push rod 4 ' Curve On The Surface to the action direction of push rod 4 ', the push rod 4 ' under long-term work,
Bending as shown in Figure 3 will occur for time length, and the end face of spring 5 ' contacted with push rod 4 ' is with the run-off the straight of push rod 4 ', spring
Under larger lateral forces, will occur larger lateral thrust, lose stable, as shown in figure 4, time length, spring
5 ' just occur fracture, the braking effect of spring 5 ' click apparatus or even whole reductor and ladle carne it is normal
Work.2) existing click apparatus is by ratchet 1 ' (as shown in Figure 5, Figure 6) and wheel hub 6 ' (as shown in Figure 7, Figure 8) geomery
Limitation, it is too big that spring 5 ' can not be done, so the strength grade of spring 5 ' relatively low (maximum working load and maximum functional deflection
It is smaller), the life-span is shorter.3) moulding of ratchet 1 ' and wheel hub 6 ' is complicated, and processing difficulties, manufacturing cost is higher.Click apparatus
In main raising transmission system for the ladle carne of handling steel ladle, the fracture of spring is to its equipment in click apparatus
Safety in production bring hidden danger；The spring of fracture is changed, the gear assembling shown in Fig. 1 need to all be laid down, by reductor
Lubricating oil in casing is all outwelled, and the spring breakage disintegrating slag of box body of speed reducer bottom is cleaned out, new profit is then changed to
Lubricating oil, then gear is assembled and the click apparatus repaired loads, change spring need to consume certain human and material resources and
The expense of equipment, and influence production.
From described above it is recognized that the subject matter that the click apparatus of prior art is present is：Spring 5 ' works
The effect of the middle deflecting force of drawn stem 4 ', stability is bad, easy unstability and be broken.Spring 5 ' is limited by the shape of wheel hub 6 ', and size is small,
Strength grade is low, short life.Complex-shaped, the shaping relative difficulty of ratchet 1 ' and wheel hub 6 ', manufacturing cost height.Change once bullet
Spring 5 ' need to be dismounted the device of reductor again one time, it is necessary to consume human and material resources, and equipment, which is stopped work, influences production.Click
Device is used in the main raising transmission system of the ladle carne of handling steel ladle, the fracture pair of spring 5 ' in click apparatus
The safety in production of its equipment brings hidden danger.
The content of the invention
The effect of drawn stem deflecting force is volatile in the spring works of the click apparatus used in the prior art for solution
Surely it is broken, size is small, and strength grade is low, and service life is short, click apparatus is used for the ladle carne of handling steel ladle
Main raising transmission system in, the fracture of spring is to the adverse effect and potential safety hazard brought normally is produced, while solution ratchet
With complex-shaped, the shaping relative difficulty of wheel hub, the high technical problem of manufacturing cost, present invention proposition following technical scheme：One
Crane click apparatus is planted, it has following technical characteristic：Ratchet side is provided with hole, and the aperture in the hole is less than the tooth of ratchet
Groove outside circle internal diameter.The opposite side of ratchet is provided with circular groove, and the diameter of the circular groove is more than outside the alveolus root circle of ratchet
Footpath.The parallel middle part for being fixed on the axle sleeve provided with inner hole key slot of two pieces of round formers.At least provided with an axis hole on two pieces of round formers,
At least one is cased with the hinge of ratchet and is fixed in the axis hole, and at least one is equipped with spring with the sleeve of push rod at parallel two pieces
Fixed in circle former by axis with direction vertical with the push rod effect plane contacted on ratchet.In present case, two pieces of round formers
The axis hole quantity being provided with is 6, and the hinge quantity for being cased with ratchet corresponds to 6, in two pieces of parallel round formers by axis and
The sleeve quantity that the vertical direction of the plane contacted on ratchet with push rod is fixed also corresponds to 6.In the alveolus outside circle of ratchet
It is activity fit clearance between periphery and two pieces of round former outer circumference surfaces.Baffle plate is fixed on the circular groove week of ratchet side
Side.In present case, baffle plate is screwed in the circular groove periphery of ratchet side.
There is clear advantage using the crane click apparatus of above-mentioned technical proposal：In identical click
Under the contour dimension of device, spring is in sleeve, highly stable, or else spring occurs deflection, instability status, and spring makes
Greatly improved with the life-span.The size of spring can be done greatly according to device structure, so as to improve the strength grade of spring, (spring is most
Big live load and maximum functional deflection).Change the slender proportion of push rod, push rod is in mostly in sleeve, or else can send out
Life tilts and the situation being broken occurs.Ratchet and wheel hub (assemblys of two pieces of round formers and the axle sleeve provided with inner hole key slot) shape
Simply, it is easy to be molded, processing technology is simplified, greatly reduces processing cost.Using the crane click of the present invention
After device, the spare part of click apparatus is estimated need not all to be changed for several years, even if having arrived the overhaul time of equipment, also will not be because of
The quality problems of click apparatus change spare part, the maintenance cost of equipment are saved, while being equipment and the safety of operating personnel
Production provides reliable ensure.
Brief description of the drawings
Fig. 1 is the structural scheme of mechanism of main lifting mechanism of foundry crane reductor, and I and II is two sets of ratchet spine respectively in figure
Position of the jaw arrangement in mechanism；
Fig. 2 is the structural representation of the crane click apparatus of prior art；
Fig. 3 is the case of bending of the part push rod of sequence number 4 ' in Fig. 2；
Fig. 4 is the lateral bending heeling condition of the part spring of sequence number 5 ' in Fig. 2；
Fig. 5 is the front view of the part ratchet of sequence number 1 ' in Fig. 2；
Fig. 6 is the right sectional view of the part ratchet of sequence number 1 ' in Fig. 5；
Fig. 7 is the front view of the part wheel hub of sequence number 6 ' in Fig. 2；
Fig. 8 is the left view of the part wheel hub of sequence number 6 ' in Fig. 7；
Fig. 9 is crane click apparatus structural representation of the present invention；
Figure 10 is the A-A sectional views in Fig. 9；
Figure 11 is the front view of the part ratchet of sequence number 1 in Fig. 9；
Figure 12 is the right sectional view of the part ratchet of sequence number 1 in Figure 11；
Figure 13 is the front view of the part of sequence number 10 circle former and the part sleeve combination of sequence number 11 in Fig. 9；
Figure 14 is Figure 13 left sectional view；
Figure 15 is the part push rod, the part spring of serial number 5, the group of the part sleeve of serial number 6 of serial number 4 in Fig. 9
Close assembling schematic diagram；
Figure 16 is Figure 15 top view；
In figure：I, click apparatus；II, click apparatus；1. ratchet；2. hinge；3. ratchet；4. push rod；5. bullet
Spring；6. sleeve；7. baffle plate；8. hole；9. circular groove；10. justify former；11. axle sleeve；1 ', ratchet；2 ', hinge；3 ', ratchet；
4 ', push rod；5 ', spring；6 ', wheel hub.
Embodiment
The present invention this crane be with the technical characteristic of click apparatus：The side of ratchet 1 is provided with hole 8, the hole 8
Aperture be less than ratchet 1 alveolus outside circle internal diameter.The opposite side of ratchet 1 is additionally provided with circular groove 9, the circular groove 9 it is straight
Footpath is more than the alveolus root circle external diameter of ratchet 1.In the parallel axle sleeve 11 being fixed on provided with inner hole key slot of two pieces of round formers 10
In portion, present case fixed using welding manner.The periphery of this two pieces round formers 10 is at least provided with an axis hole, at least one set
The hinge 2 for having ratchet 3 is fixed in this axis hole.Parallel two pieces at this of at least one sleeve 6 equipped with spring 5 and push rod 4
Fixed in circle former 10 by axis with direction vertical with the effect of push rod 4 plane contacted on ratchet 3.In present case, two pieces of circles
The axis hole quantity that the periphery of former 10 is provided with is 6, and the quantity of hinge 2 for being cased with ratchet 3 corresponds to 6, two pieces of parallel round formers
In 10 6 are also corresponded to by axis with the quantity of sleeve 6 that the vertical direction of the plane contacted on ratchet 3 with push rod 4 is fixed.Spine
It is activity fit clearance between the alveolus outside circle inner peripheral surface of wheel 1 and the outer circumference surface of two pieces of round formers 10.Baffle plate 7 is fixed on
In the periphery of circular groove 9, present case, baffle plate 7 is screwed in the periphery of the side circular groove 9 of ratchet 1.
During assembling, ratchet 3 is articulated and connected by hinge 2 with circle former 10.Spring 5 is initially introduced into sleeve 6, then again will
Push rod 4 loads in sleeve 6.Sleeve 6 is fixed with circle former 10, and present case uses welding manner.The inner circle outside circle surface cover of ratchet 1
On the maximum periphery of circle former 10, ratchet 1 can be rotated relative to round former 10.It is screwed in the present case of baffle plate 7
In the circular groove 9 of ratchet 1, axial float of the limitation circle former 10 relative to ratchet 1.
The present invention crane be with the general principle of click apparatus：During work, effect of the push rod 4 in spring 5
Under, top pressure forces ratchet 3 to be rotated around hinge 2 on ratchet 3, the cephalic par of ratchet 3 is pressed on the interior gear teeth of ratchet 1.
Fig. 9 is shown, when ratchet 1 turns clockwise, and band pawl 3 and circle former 10 rotate.Ratchet 1 is with respect to the rotate counterclockwise of ratchet 3
When, ratchet 1 is in sliding mode with circle former 10.
Major advantage of the crane of the present invention with click apparatus compared with the click apparatus of prior art is, in phase
With click apparatus contour dimension under, spring 5 is in sleeve 6, and spring 5 is not in deflection, instability status, by
This is greatly improved the service life of spring 5.The size of spring 5 can be done greatly, and (spring 5 is most for the strength grade of raising spring 5
Big live load and maximum functional deflection) so as to improve the service life of spring 5.Change the slenderness ratio of push rod 4, make push rod 4
Mostly it is in sleeve 6, thus has prevented the run-off the straight of push rod 4 and the phenomenon being broken occurred.Ratchet 1 and by two pieces of round formers 10
The simple shape for the wheel hub that the parallel axle sleeve 11 being fixed on provided with inner hole key slot is constituted, simplifies processing technology, greatly reduces
Processing cost.Crane is used for click apparatus in the main raising transmission system of ladle carne, is personnel, the peace of equipment
Full production provides reliable ensure.
Claims (3)
1. a kind of crane click apparatus, it is characterised in that：Ratchet (1) side is provided with hole (8), the aperture in the hole (8)
Less than the alveolus outside circle internal diameter of the ratchet (1), the opposite side of the ratchet (1) is provided with circular groove (9), the circular groove
(9) diameter is more than the alveolus root circle external diameter of the ratchet (1), and two pieces of round formers (10) are parallel to be fixed on provided with inner hole key slot
Axle sleeve (11) middle part, described two pieces round former (10) peripheries are at least provided with an axis hole, and at least one is cased with ratchet (3)
Hinge (2) is fixed in the axis hole, and at least one is equipped with spring (5) with the sleeve (6) of push rod (4) in two pieces of parallel circles
Fixed in former (10) by axis with direction vertical with push rod (4) the effect plane contacted on ratchet (3), the tooth of ratchet (1)
It is activity fit clearance between groove outside circle inner peripheral surface and two pieces of round former (10) outer circumference surfaces, baffle plate (7) is fixed on
Described circular groove (9) periphery.
2. crane click apparatus according to claim 1, it is characterised in that：Described two pieces round former (10) weeks
While the axis hole quantity being provided with is 6, described hinge (2) quantity for being cased with ratchet (3) corresponds to 6, described parallel two pieces
Sleeve (6) quantity pair fixed in circle former (10) by axis with the vertical direction of the plane contacted on ratchet (3) with push rod (4)
It should be 6.
3. crane click apparatus according to claim 1, it is characterised in that：The baffle plate (7) is consolidated by screw
Due to the periphery of the side circular groove (9) of the ratchet (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510648361.1A CN105179520B (en) | 2015-10-09 | 2015-10-09 | Crane click apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510648361.1A CN105179520B (en) | 2015-10-09 | 2015-10-09 | Crane click apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105179520A CN105179520A (en) | 2015-12-23 |
| CN105179520B true CN105179520B (en) | 2017-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510648361.1A Active CN105179520B (en) | 2015-10-09 | 2015-10-09 | Crane click apparatus |
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| Country | Link |
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| CN (1) | CN105179520B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105508461B (en) * | 2016-02-21 | 2017-10-31 | 上海洲跃生物科技有限公司 | A kind of high-mechanic pin column type freewheel clutch |
| WO2018089396A1 (en) * | 2016-11-10 | 2018-05-17 | Borgwarner Inc. | Sector clutch |
| CN113237626B (en) * | 2021-05-18 | 2023-04-14 | 山东金池新材料科技有限公司 | Wear-resistant steel ball falling impact composite testing machine |
| CN113352257B (en) * | 2021-06-07 | 2023-02-07 | 国网河北省电力有限公司鸡泽县供电分公司 | Electric power overhaul tool |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19929833A1 (en) * | 1999-06-30 | 2001-01-04 | Hilti Ag | Overload drill coupling has a drive section partially shrouded by a drive take-off section with inner ratchet locking pockets to take sprung locking levers from the drive section without digging into the pocket surfaces |
| CN2781075Y (en) * | 2004-12-07 | 2006-05-17 | 张天宇 | Bicycle free wheel |
| DE102009046475A1 (en) * | 2009-11-06 | 2011-05-12 | Hilti Aktiengesellschaft | torque coupling |
| CN203756795U (en) * | 2014-02-19 | 2014-08-06 | 泰星减速机股份有限公司 | Reducer with internal-teeth ratchet wheel and pallet brake |
| CN204985425U (en) * | 2015-10-09 | 2016-01-20 | 大连华锐重工起重机有限公司 | Ratchet pawl device for hoist |
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2015
- 2015-10-09 CN CN201510648361.1A patent/CN105179520B/en active Active
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| CN105179520A (en) | 2015-12-23 |
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