CN110510510A - A kind of safety guard of crawler crane - Google Patents
A kind of safety guard of crawler crane Download PDFInfo
- Publication number
- CN110510510A CN110510510A CN201910852447.4A CN201910852447A CN110510510A CN 110510510 A CN110510510 A CN 110510510A CN 201910852447 A CN201910852447 A CN 201910852447A CN 110510510 A CN110510510 A CN 110510510A
- Authority
- CN
- China
- Prior art keywords
- suspension hook
- sides
- fixed frame
- fixedly installed
- crawler crane
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
- B66C1/34—Crane hooks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The invention discloses a kind of safety guards of crawler crane, including mounting rack, mounting rack lower end middle position is fixedly installed with suspension hook, the equal activity in two sides inside the suspension hook is interspersed with steel cable, two of the suspension hook upper end are movably installed with gag lever post and are symmetric, the two sides of the suspension hook are fixedly installed with clamping structure, four clamping structures are symmetric about the suspension hook, the lower end of the clamping structure is provided with fixed frame, the side on the fixed frame surface is fixedly connected with the side of the suspension hook, the middle position of the fixed frame upper end is movably installed with sliding roller, the upper end of the sliding roller is bonded with the steel cable lower surface, the two sides of the sliding roller are fixedly installed with rotary shaft, two rotary shafts mutually from one end be flexibly connected respectively with the two sides of the fixed frame.The present invention makes the present apparatus have the characteristics that protecting effect is good by the way that a series of structure is arranged.
Description
Technical field
The present invention relates to crawler crane technical field, specially a kind of safety guard of crawler crane.
Background technique
Crawler crane is a kind of mobile crane of high-building construction, is a kind of to utilize crawler travel
Swing arm revolving crane, crawler bearing area is big, and passability is good, adaptable, can walk with carrying, suitable for hanging for construction site
Industry is pretended, can be cut the earth, rammed earth, the several work such as piling, but because the speed of travel is slow, building site is shifted over long distances and needs other
Vehicle conveying, crawler crane are made of the part such as walking mechanism, swing mechanism, fuselage and crane arm, walking mechanism two
Endless-track；Swing mechanism is the turntable on chassis, makes rotatable 360 ° of fuselage, crane arm lower end is articulated with fuselage
On, with body rotation, top is equipped with two sets of pulley blocks (lifting and luffing pulley blocks), and wirerope passes through crane arm top pulley blocks
It is connected on the hoist engine in fuselage, crane arm can merogenesis production and spreading.
With the development of society, for crawler crane using more and more extensive, but common crawler belt on the market
The suspension hook of formula crane is often relatively simple for structure, uses and steel cable effect is be easy to cause to shake, and be easy from suspension hook
Fall off, cause danger, influence using safety, therefore, in order to solve this series of problems, we have proposed a kind of crawler types
The safety guard of crane solves the problems, such as.
Summary of the invention
The purpose of the present invention is to provide a kind of safety guards of crawler crane, to solve above-mentioned background technique
The problem of middle proposition.
To achieve the above object, the invention provides the following technical scheme: a kind of safety guard of crawler crane,
Including mounting rack, mounting rack lower end middle position is fixedly installed with suspension hook, and the equal activity in two sides inside the suspension hook is worn
It is inserted with steel cable, two of the suspension hook upper end are movably installed with gag lever post and are symmetric, and the two sides of the suspension hook are fixed
Clamping structure is installed, four clamping structures are symmetric about the suspension hook, the lower end setting of the clamping structure
There is fixed frame, the side on the fixed frame surface is fixedly connected with the side of the suspension hook, the interposition of the fixed frame upper end
The place of setting is movably installed with sliding roller, and the upper end of the sliding roller is bonded with the steel cable lower surface, the sliding roller
Two sides are fixedly installed with rotary shaft, two rotary shafts mutually from one end connect respectively with the two sides activity of the fixed frame
It connects, the equal fixing sleeve of the middle position of two rotating shaft surfaces is equipped with angular wheel, and the two sides of the fixed frame upper end are equal
It is movably installed with fixing bar, two two sides for fixing bar and being located at the steel cable, the two sides of the fixed frame are fixedly mounted
There are mounting blocks, the middle position activity of the mounting blocks is interspersed with rotation thread bush, and the lower end of the rotation thread bush is located at
The lower section of the mounting blocks, the end are fixedly installed with change gear, and the change gear engages connection, institute with the angular wheel
The internal activity for stating rotation thread bush is interspersed with expansion screw, and the upper end of the expansion screw is located at the outer of the rotation thread bush
Side, the end are movably installed with movable rod, the upper end of two movable rods respectively with two bar opposite faces that fix
Side is fixedly connected.
Preferably, the middle position inside the suspension hook offers fixing slot, and two fixing slots are located at two
The both ends of the clamping structure, the inside of two fixing slots are arranged with the steel cable.
Preferably, the both ends of the suspension hook are fixedly installed with limited block, and the side of two pieces of limited blocks distinguishes two
One end of the gag lever post is bonded.
Preferably, the side of two gag lever post opposite faces is fixedly installed with reset spring, two reset bullets
The opposite side of spring is fixedly connected with the two sides of the suspension hook upper end respectively.
Preferably, two fixing bars are perpendicular symmetrical about the sliding roller, two fixing bar phases
The side on opposite is provided with tooth engaged block.
Preferably, two rotation thread bush are located at two two sides for fixing bar opposite face and are symmetric, and
The fixing bar is perpendicular symmetrical.
Compared with prior art, safe and convenient to use the beneficial effects of the present invention are: structure of the invention is scientific and reasonable, lead to
The setting of gag lever post is crossed, so that single unit system has good limit effect, user will be in use, resource-user cost method gag lever post will
Steel cable is inserted into the inside of suspension hook, and is placed on the inside of fixing slot, after steel cable fixes, work of the gag lever post in reset spring
It under, sets back, so that one end of gag lever post is bonded with the side of limited block, steel cable is avoided to move out the inside of suspension hook.
By the setting of clamping structure, so that single unit system has fixes effect well, when steel cable is in fixing slot
The shaking in portion or so drives sliding roller to be rotated when steel cable shakes, and the rotary shaft at sliding roller both ends passes through conical tooth
Wheel and change gear drive rotation thread bush to be rotated, and drive expansion screw to stretch when rotating thread bush rotation, stretch
Screw rod drives the movable rod of upper end to move downward, so that two fixing bars are moved to the middle position of opposite face, from
And fix steel cable, avoid its effect from shaking.
Detailed description of the invention
Fig. 1 is the device of the invention installation place structural schematic diagram；
Fig. 2 is clamping structure schematic diagram of the invention；
Fig. 3 is enlarged structure schematic diagram at A in Fig. 2.
In figure: 1- mounting rack, 2- suspension hook, 3- limited block, 4- gag lever post, 5- clamping structure, 6- steel cable, 7- fixing slot, 8-
Fix bar, 9- fixed frame, 10- rotary shaft, 11- sliding roller, 12- change gear, 13- angular wheel, 14- mounting blocks, 15- rotation
Turn thread bush, 16- expansion screw, 17- movable rod.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-3 is please referred to, the present invention provides a kind of technical solution: a kind of safety guard of crawler crane, packet
Mounting rack 1 is included, 1 lower end middle position of mounting rack is fixedly installed with suspension hook 2, and the equal activity in two sides inside suspension hook 2 is interspersed with steel
Rope 6, two of 2 upper end of suspension hook are movably installed with gag lever post 4 and are symmetric, and the two sides of suspension hook 2 are fixedly installed with fixing
Structure 5, four clamping structures 5 are symmetric about suspension hook 2, and the lower end of clamping structure 5 is provided with fixed frame 9,9 table of fixed frame
The side in face is fixedly connected with the side of suspension hook 2, and the middle position of 9 upper end of fixed frame is movably installed with sliding roller 11, sliding
The upper end of dynamic roller 11 is bonded with 6 lower surface of steel cable, and the two sides of sliding roller 11 are fixedly installed with rotary shaft 10, two rotations
10 phase of axis from one end be flexibly connected respectively with the two sides of fixed frame 9, the middle position on two 10 surfaces of rotary shaft is fixed
It is arranged with angular wheel 13, the two sides of 9 upper end of fixed frame, which are movably installed with, fixes bar 8, and two fixing bars 8 are located at steel cable 6
Two sides, the two sides of fixed frame 9 are fixedly installed with mounting blocks 14, and the middle position activity of mounting blocks 14 is interspersed with rotation screw thread
The lower end of set 15, rotation thread bush 15 is located at the lower section of mounting blocks 14, which is fixedly installed with change gear 12, change gear 12
Connection is engaged with angular wheel 13, the internal activity of rotation thread bush 15 is interspersed with expansion screw 16, the upper end of expansion screw 16
Positioned at the outside of rotation thread bush 15, which is movably installed with movable rod 17, and the upper end of two movable rods 17 is respectively with two
The side that root fixes 8 opposite face of bar is fixedly connected.
Preferably, the middle position inside suspension hook 2 offers fixing slot 7, and two fixing slots 7 are located at two fixing knots
The both ends of structure 5, the inside of two fixing slots 7 are arranged with steel cable 6, convenient for fixing to steel cable 6.
Preferably, the both ends of suspension hook 2 are fixedly installed with limited block 4, and two gag lever posts are distinguished in the side of two pieces of limited blocks 4
3 one end fitting, convenient for being limited to gag lever post 3.
Preferably, the side of two 3 opposite faces of gag lever post is fixedly installed with reset spring, and two reset springs are opposite
Side is fixedly connected with the two sides of 2 upper end of suspension hook respectively, is set back convenient for gag lever post 3.
Preferably, two fixing bars 8 are perpendicular symmetrical about sliding roller 11, and the one of two 8 opposite faces of fixing bar
Side is provided with tooth engaged block, strengthens the fixing of steel cable 6.
Preferably, the two sides that two rotation thread bush 15 are located at two 8 opposite faces of fixing bar are symmetric, and fix bar
8 is perpendicular symmetrical, drives fixing bar 8 to be rotated convenient for rotation thread bush 15, two rotation 15 internal whorls of thread bush
It is contrary.
Working principle: by the setting of gag lever post 4, so that single unit system has good limit effect, user is used
When, steel cable 6 is inserted into the inside of suspension hook 2 by resource-user cost method gag lever post 4, and is placed on the inside of fixing slot 7, when steel cable 6 is solid
After setting, gag lever post 4 sets back under the action of reset spring, so that one end of gag lever post 4 and the side of limited block 3 are pasted
It closes, steel cable 6 is avoided to move out the inside of suspension hook 2, by the setting of clamping structure 5, fixed well so that single unit system has
Effect drives sliding roller 11 to be rotated when shaking of the steel cable 6 in the inside of fixing slot 7 or so when steel cable 6 shakes, sliding
The rotary shaft 10 at dynamic 11 both ends of roller drives rotation thread bush 15 to be rotated by angular wheel 13 and change gear 12, rotates
Expansion screw 16 is driven to stretch when thread bush 15 rotates, expansion screw 16 drives the movable rod 17 of upper end to move downward,
So that two fixing bars 8 are moved to the middle position of opposite face, so that steel cable 6 be fixed, its effect is avoided to shake.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of safety guard of crawler crane, including mounting rack (1), mounting rack (1) the lower end middle position
Place is fixedly installed with suspension hook (2), and the internal equal activity in two sides of the suspension hook (2) is interspersed with steel cable (6), it is characterised in that: described
Two of suspension hook (2) upper end are movably installed with gag lever post (4) and are symmetric, and the two sides of the suspension hook (2) are fixedly mounted
Have clamping structure (5), four clamping structures (5) are symmetric about the suspension hook (2), the clamping structure (5)
Lower end is provided with fixed frame (9), and the side on fixed frame (9) surface is fixedly connected with the side of the suspension hook (2), described solid
The middle position for determining frame (9) upper end is movably installed with sliding roller (11), the upper end of sliding roller (11) and the steel
The two sides of the fitting of rope (6) lower surface, sliding roller (11) are fixedly installed with rotary shaft (10), two rotary shafts
(10) mutually from one end be flexibly connected respectively with the two sides of the fixed frame (9), the centre on two rotary shaft (10) surfaces
Equal fixing sleeve is equipped with angular wheel (13) at position, and the two sides of fixed frame (9) upper end, which are movably installed with, fixes bar (8),
Two two sides for fixing bar (8) and being located at the steel cable (6), the two sides of the fixed frame (9) are fixedly installed with mounting blocks
(14), the middle position activity of the mounting blocks (14) is interspersed with rotation thread bush (15), rotation thread bush (15)
Lower end is located at the lower section of the mounting blocks (14), which is fixedly installed with change gear (12), the change gear (12) and institute
Angular wheel (13) engagement connection is stated, the internal activity of rotation thread bush (15) is interspersed with expansion screw (16), described to stretch
The upper end of compression screw arbor (16) is located at the outside of rotation thread bush (15), which is movably installed with movable rod (17), and two
The upper end of the movable rod (17) is fixedly connected with two sides for fixing bar (8) opposite face respectively.
2. a kind of safety guard of crawler crane according to claim 1, it is characterised in that: the suspension hook
(2) internal middle position offers fixing slot (7), and two fixing slots (7) are located at two clamping structures (5)
Both ends, the inside of two fixing slots (7) is arranged with the steel cable (6).
3. a kind of safety guard of crawler crane according to claim 1, it is characterised in that: the suspension hook
(2) both ends are fixedly installed with limited block (4), and two gag lever posts (3) are distinguished in the side of two pieces of limited blocks (4)
One end fitting.
4. a kind of safety guard of crawler crane according to claim 1, it is characterised in that: two limits
The side of position bar (3) opposite face is fixedly installed with reset spring, the opposite side of two reset springs respectively with it is described
The two sides of suspension hook (2) upper end are fixedly connected.
5. a kind of safety guard of crawler crane according to claim 1, it is characterised in that: two cards
Solid rod (8) is perpendicular symmetrical about the sliding roller (11), and two sides for fixing bar (8) opposite face are respectively provided with
There is tooth engaged block.
6. a kind of safety guard of crawler crane according to claim 1, it is characterised in that: two rotations
Turn thread bush (15) to be symmetric positioned at two two sides for fixing bar (8) opposite face, and the fixing bar (8) is perpendicular
It is symmetrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910852447.4A CN110510510A (en) | 2019-09-09 | 2019-09-09 | A kind of safety guard of crawler crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910852447.4A CN110510510A (en) | 2019-09-09 | 2019-09-09 | A kind of safety guard of crawler crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110510510A true CN110510510A (en) | 2019-11-29 |
Family
ID=68631991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910852447.4A Pending CN110510510A (en) | 2019-09-09 | 2019-09-09 | A kind of safety guard of crawler crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110510510A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1036081A (en) * | 1996-07-29 | 1998-02-10 | Kobe Steel Ltd | Hook steadying device for crane |
| JPH10273282A (en) * | 1997-03-31 | 1998-10-13 | Nkk Corp | Device for automatically hooking unhooking of suspension hook |
| JP2004059183A (en) * | 2002-07-25 | 2004-02-26 | Kobelco Contstruction Machinery Ltd | Crawler crane |
| JP2004067353A (en) * | 2002-08-09 | 2004-03-04 | Tadano Ltd | Retracting device for crane hook |
| JP2008037535A (en) * | 2006-08-03 | 2008-02-21 | Kobelco Cranes Co Ltd | Movable crane overwinding preventing device |
| WO2009082971A1 (en) * | 2007-12-31 | 2009-07-09 | Taian Taishan Construction Machinery Co., Ltd | Crawler crane |
-
2019
- 2019-09-09 CN CN201910852447.4A patent/CN110510510A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1036081A (en) * | 1996-07-29 | 1998-02-10 | Kobe Steel Ltd | Hook steadying device for crane |
| JPH10273282A (en) * | 1997-03-31 | 1998-10-13 | Nkk Corp | Device for automatically hooking unhooking of suspension hook |
| JP2004059183A (en) * | 2002-07-25 | 2004-02-26 | Kobelco Contstruction Machinery Ltd | Crawler crane |
| JP2004067353A (en) * | 2002-08-09 | 2004-03-04 | Tadano Ltd | Retracting device for crane hook |
| JP2008037535A (en) * | 2006-08-03 | 2008-02-21 | Kobelco Cranes Co Ltd | Movable crane overwinding preventing device |
| WO2009082971A1 (en) * | 2007-12-31 | 2009-07-09 | Taian Taishan Construction Machinery Co., Ltd | Crawler crane |
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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: 20191129 |
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| RJ01 | Rejection of invention patent application after publication |