CN109353944A - Overturning type foot pedal - Google Patents
Overturning type foot pedal Download PDFInfo
- Publication number
- CN109353944A CN109353944A CN201811497349.5A CN201811497349A CN109353944A CN 109353944 A CN109353944 A CN 109353944A CN 201811497349 A CN201811497349 A CN 201811497349A CN 109353944 A CN109353944 A CN 109353944A
- Authority
- CN
- China
- Prior art keywords
- foot pedal
- type foot
- overturning type
- crane arm
- overturning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The invention discloses a kind of safe and reliable overturning type foot pedals, assist the installation of jib for tower crane pin shaft, are related to derrick crane field.Overturning type foot pedal: including orifice plate, fixed plate, locating piece, bending plate and pin shaft.In crane arm transportational process, easily overturning type foot pedal folding and unfolding can be got up, be integrally hidden within the main string whee exterior feature of crane arm；Effectively avoid crane arm diagonal web member due to transport caused by deformed damaged.After crane arm is installed, equally easily overturning type foot pedal folding and unfolding can be got up, eliminate security risk of the operator when taking trolley and overhauling to crane arm.Overturning type foot pedal structure is simple, easy to operate, and good reliability is highly-safe, low in cost.
Description
Technical field
The present invention relates to derrick crane fields, and in particular to a kind of auxiliary jib for tower crane pin shaft installation is turned over
Rotatable foot pedal.
Background technique
Jib for tower crane is all divided into many sections substantially, is generally assembled in by the way of pin shaft connection between each section
It is used together.The connection installation of crane arm is to complete in the sky in a manual manner mostly, and installation difficulty is higher.It is tower large-scale
The design height of heavy-duty machine crane arm generally all reaches 2 meters or more, installs more difficult；Auxiliary pin must be set on crane arm
The foot pedal of axis installation, just can guarantee going on smoothly for installation.
As shown in Figure 1, the simple foot pedal of auxiliary pin shaft installation, welding is mounted on crane arm after being formed using steel plate bending
Diagonal web member on；Operator is when crane arm is connected and installed, it is necessary to step on the footrests foot, just be able to satisfy pin shaft installation
Requirement for height.
However, this simple foot pedal, after being welded on crane arm diagonal web member, part-structure protrudes from the main string whee of crane arm
Except exterior feature, following two problem also there is in this way.
1, increase the difficulty of transport.During transportation, simple foot pedal protrudes from the part of the main string whee exterior feature of crane arm, pole
Vulnerable to the extruding of other components or vehicle body, to cause the deformed damaged of crane arm diagonal web member.
2, there are some potential safety problemss.During derrick crane works, operator often takes trolley, right
Crane arm is overhauled, and operator head, which is likely to hit, protrudes from the part of the main string whee exterior feature of crane arm in simple foot pedal,
It causes casualties.
Summary of the invention
The technical problem to be solved by the present invention is providing a kind of safe and reliable overturning type foot pedal, tower lifting is assisted
The installation of machine crane arm pin shaft.
The present invention solves overturning type foot pedal used by its technical problem: including orifice plate, fixed plate, locating piece, bending
Plate and pin shaft.
Further, the orifice plate, circular hole and shape circular arc are concentric, and shape arc radius is R, the circular hole center of circle to bottom edge
Distance be L.
Further, the fixed plate there are tow sides, touched when quadrangle is designed as fillet to prevent operator from installing
Wound.
Further, the bottom edge of the orifice plate and the front of fixed plate link together in a welding manner.
Further, the bending plate is designed to two Edge Bend forms to increase its composite bending modulus, quadrangle is designed as justifying
Angle is damaged when preventing operator from installing.
Further, the locating piece, is provided with overturning binding face, arc surface, tightening binding face, kidney slot and welding
Face.The kidney-shaped centerline hole is the curve smaller and smaller relative to tightening binding face tilt angle.The arc surface and kidney-shaped
Hole left end semi-circular concentric, radius is identical as orifice plate shape arc radius, is all R.Tell overturning binding face and kidney slot right end half
Back gauge is identical on earth with the orifice plate circular hole center of circle for the distance between round heart, is all L.The tightening binding face and kidney slot right end
The distance between semicircle center of circle is H.The distance between the welding surface and the kidney slot right end semicircle center of circle are S.
Further, the outer surface of the bending plate and the welding binding face of locating piece are connected to one in a welding manner
It rises.
Further, the pin shaft passes through the kidney slot of locating piece and the circular hole of orifice plate, it is assembled into complete convertible
Foot pedal；It is welded on crane arm diagonal web member and is used by the back side of fixed plate.
Further, to guarantee that installation post-positioning block can flexibly be overturn, needing R < L in design；To guarantee locating piece
Tightening binding face can be fitted closely with the front of fixed plate, need L < H；To guarantee that orifice plate shape circular arc is not interfered with bending plate, need
R≤S。
Further, overturning type foot pedal is in use, the overturning binding face of locating piece is bonded with the front of fixed plate；Behaviour
Make personnel to stand after overturning on foot pedal, the kidney slot left end semicircle of locating piece will receive the pulling force that pin shaft transmits, overturning patch
Conjunction face will receive the thrust that fixed plate front is transmitted；Under the action of this pair of of couple, overturning type foot pedal can ensure that it is firm, can
The working morphology leaned on.
Further, overturning type foot pedal packs up method: bending plate being turned to vertical position, firmly pushes bending
Plate, under the effect of the pressure, pin shaft slide in the kidney slot of locating piece.Pin shaft center slides into a certain position of kidney slot
When, the tightening binding face of locating piece is bonded completely with the front of fixed plate.Due to the effect of self gravity, kept between binding face
The collective effect of extruding force and frictional force, it is convertible it is foot-operated can ensure that it is firm, reliably tighten form.At this point, overturning type foot
Pedal is hidden in completely within the main string whee exterior feature of crane arm.
Further, overturning type foot pedal reuses method: firmly pulling up bending plate, until pin shaft and locating piece
Kidney slot left end semi-circular concentric after, then overturn bending plate, until the overturning binding face of locating piece is bonded with fixed plate front, i.e.,
It can reuse.
The beneficial effects of the present invention are: 1, in crane arm transportational process, can easily by overturning type foot pedal folding and unfolding rise
Come, is integrally hidden within the main string whee exterior feature of crane arm；Effectively avoid crane arm diagonal web member due to transport caused by deformed damaged.
2, after crane arm is installed, easily overturning type foot pedal folding and unfolding can be got up, operator is eliminated and exist
Take security risk when trolley overhauls crane arm.
3, overturning type foot pedal structure is simple, easy to operate, and good reliability is highly-safe, low in cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of simple foot pedal embodiment；
Fig. 2 is the structural schematic diagram of overturning type foot pedal embodiment working morphology；
Fig. 3 is the structural schematic diagram of overturning type foot pedal embodiment tightening form；
Fig. 4 is the structure chart of overturning type foot pedal working morphology；
Fig. 5 is the structure chart of overturning type foot pedal tightening form；
Fig. 6 is orifice plate main view；
Fig. 7 is positioning block structure figure；
Fig. 8 is locating piece main view；
Position and number in figure: orifice plate 1, locating piece 2, fixed plate 3, pin shaft 4, bending plate 5, overturning binding face 21, arc surface 22,
Tighten binding face 23, kidney slot 24, welding surface 25.
Specific embodiment
With reference to the accompanying drawing and the present invention will be further described.
As shown in Fig. 2 to Fig. 8, overturning type foot pedal disclosed by the invention, including orifice plate 1, fixed plate 3, locating piece 2, folding
Bent plate 5 and pin shaft 4.
3 front of four 1 bottom edges of orifice plate and fixed plate links together in a welding manner, 5 outer surface of bending plate with two pieces
The welding surface 25 of locating piece 2 links together in a welding manner, and two pieces pin shaft 4 passes through the kidney slot 24 and orifice plate 1 of locating piece 2
Circular hole is assembled into complete overturning type foot pedal.Overturning type foot pedal is welded on crane arm diagonal web member by 3 back side of fixed plate
It uses.
When the 24 left end semi-circular concentric of kidney slot of pin shaft 4 and locating piece 2, due to R < L, locating piece 2 can with flexible rotating,
Bending plate 5 is rotated together with locating piece 2.When bending plate 5 is turned to horizontal position, the overturning binding face 21 of locating piece 2 and solid
3 front fitting of fixed board.After operator stands on overturning type foot pedal, the 24 left end semicircle of kidney slot of locating piece 2 be will receive
The pulling force that pin shaft 4 transmits, overturning binding face 21 will receive the thrust that 3 front of fixed plate is transmitted.Under the action of this pair of of couple,
Overturning type foot pedal can ensure that firm, reliable working morphology.
When bending plate 5 is turned to vertical position, bending plate 5 is firmly pushed；Under the effect of the pressure, pin shaft 4 can be fixed
Sliding in the kidney slot 24 of position block 2.24 center line of kidney slot be relative to locating piece 2 23 tilt angle of tightening binding face it is more next
Smaller curve, in sliding process, the tightening binding face 23 of locating piece 2 and the distance between 3 front of fixed plate are smaller and smaller.By
In L < H, when 4 center of pin shaft slides into a certain position of kidney slot 24, the tightening binding face 23 and fixed plate 3 of locating piece 2 are just
Face is bonded completely.Due to the effect of vertical direction self gravity, extruding force and frictional force are always maintained between binding face；Overturning
Formula foot pedal can ensure that it is firm, reliably tighten form.At this point, overturning type foot pedal is integrally hidden in the main string whee exterior feature of crane arm
It is interior.
When overturning type foot pedal reuses, firmly bending plate 5 is pulled up, until the kidney slot 24 of pin shaft 4 and locating piece 2
After the semi-circular concentric of left end, then bending plate 5 is overturn, until the overturning binding face 21 of locating piece 2 is bonded with 3 front of fixed plate
It reuses.
Claims (4)
1. overturning type foot pedal: including orifice plate (1), fixed plate (3), locating piece (2), bending plate (5) and pin shaft (4).
2. overturning type foot pedal according to claim 1, it is characterised in that: orifice plate (1) and fixed plate (3) are with the side of welding
Formula links together, and bending plate (5) links together in a welding manner with locating piece (2), is assembled into completely by pin shaft (4)
Overturning type foot pedal.
3. overturning type foot pedal according to claim 1, the advantage is that: can effectively avoid crane arm diagonal web member because of transport
Deformed damaged caused by and；Security risk of the operator when taking trolley and overhauling to crane arm can be eliminated.
4. locating piece (2) according to claim 1 is provided with overturning binding face (21), arc surface (22), tightening binding face
(23), kidney slot (24) and welding surface (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811497349.5A CN109353944A (en) | 2018-12-07 | 2018-12-07 | Overturning type foot pedal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811497349.5A CN109353944A (en) | 2018-12-07 | 2018-12-07 | Overturning type foot pedal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109353944A true CN109353944A (en) | 2019-02-19 |
Family
ID=65331698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811497349.5A Pending CN109353944A (en) | 2018-12-07 | 2018-12-07 | Overturning type foot pedal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109353944A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112607592A (en) * | 2020-11-27 | 2021-04-06 | 海鹰企业集团有限责任公司 | Movable type foldable hoisting device |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201043541Y (en) * | 2007-04-30 | 2008-04-02 | 江苏鼎晟液压有限公司 | Pedal valve |
| CN202081814U (en) * | 2011-04-13 | 2011-12-21 | 镇江捷诚方舱部件有限公司 | Van top climbing folding ladder |
| CN202400758U (en) * | 2012-01-10 | 2012-08-29 | 中联重科股份有限公司 | Crane and rotary flexible step ladder thereof |
| CN202644626U (en) * | 2012-05-17 | 2013-01-02 | 常林股份有限公司 | Novel foldable pedal plate |
| CN202643162U (en) * | 2012-05-10 | 2013-01-02 | 徐工集团工程机械股份有限公司 | Folded pedal device and crawler crane |
| CN202753872U (en) * | 2012-07-20 | 2013-02-27 | 昆山西马克动力机械有限公司 | Pedal of trailer |
| CN103253202A (en) * | 2013-05-06 | 2013-08-21 | 东风汽车公司 | Turning-over type footboard used for commercial vehicle and using method thereof |
| CN203486779U (en) * | 2013-08-16 | 2014-03-19 | 徐州重型机械有限公司 | Cab and crane |
| CN204264037U (en) * | 2014-12-01 | 2015-04-15 | 中国重汽集团济南动力有限公司 | A kind of load-carrying vehicle pedal assembly of getting on the bus |
| CN205892584U (en) * | 2016-08-03 | 2017-01-18 | 湖南百特随车起重机有限公司 | Automatic folding footboard of lorry crane |
-
2018
- 2018-12-07 CN CN201811497349.5A patent/CN109353944A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201043541Y (en) * | 2007-04-30 | 2008-04-02 | 江苏鼎晟液压有限公司 | Pedal valve |
| CN202081814U (en) * | 2011-04-13 | 2011-12-21 | 镇江捷诚方舱部件有限公司 | Van top climbing folding ladder |
| CN202400758U (en) * | 2012-01-10 | 2012-08-29 | 中联重科股份有限公司 | Crane and rotary flexible step ladder thereof |
| CN202643162U (en) * | 2012-05-10 | 2013-01-02 | 徐工集团工程机械股份有限公司 | Folded pedal device and crawler crane |
| CN202644626U (en) * | 2012-05-17 | 2013-01-02 | 常林股份有限公司 | Novel foldable pedal plate |
| CN202753872U (en) * | 2012-07-20 | 2013-02-27 | 昆山西马克动力机械有限公司 | Pedal of trailer |
| CN103253202A (en) * | 2013-05-06 | 2013-08-21 | 东风汽车公司 | Turning-over type footboard used for commercial vehicle and using method thereof |
| CN203486779U (en) * | 2013-08-16 | 2014-03-19 | 徐州重型机械有限公司 | Cab and crane |
| CN204264037U (en) * | 2014-12-01 | 2015-04-15 | 中国重汽集团济南动力有限公司 | A kind of load-carrying vehicle pedal assembly of getting on the bus |
| CN205892584U (en) * | 2016-08-03 | 2017-01-18 | 湖南百特随车起重机有限公司 | Automatic folding footboard of lorry crane |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112607592A (en) * | 2020-11-27 | 2021-04-06 | 海鹰企业集团有限责任公司 | Movable type foldable hoisting device |
| CN112607592B (en) * | 2020-11-27 | 2024-04-19 | 海鹰企业集团有限责任公司 | Portable can open and shut and hang device of putting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190219 |
|
| RJ01 | Rejection of invention patent application after publication |