CN207347044U - A kind of crane arm of derrick crane - Google Patents
A kind of crane arm of derrick crane Download PDFInfo
- Publication number
- CN207347044U CN207347044U CN201721458497.7U CN201721458497U CN207347044U CN 207347044 U CN207347044 U CN 207347044U CN 201721458497 U CN201721458497 U CN 201721458497U CN 207347044 U CN207347044 U CN 207347044U
- Authority
- CN
- China
- Prior art keywords
- connecting portion
- single head
- double end
- base section
- support plate
- 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.)
- Expired - Fee Related
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Abstract
It the utility model is related to a kind of crane arm of derrick crane,Formed including the sequentially connected base section in identical and left and right by multiple structures,Base section left end is provided with double end connecting portion,Base section right end is provided with single head connecting portion,Double end connecting portion includes upper double end connecting portion and lower double end connecting portion,The middle part of upper double end connecting portion in left-right direction is provided with single head connecting portion upper Positioning holes,The middle part of lower double end connecting portion in left-right direction is provided with single head connecting portion lower Positioning holes,Single head connecting portion upper Positioning holes are overlapped with the center line of single head connecting portion lower Positioning holes,The middle part of single head connecting portion in left-right direction is provided with double end connecting portion connecting hole,The center line of double end connecting portion connecting hole and the single head connecting portion upper Positioning holes of adjacent foundation section,The center line of single head connecting portion lower Positioning holes overlaps,The utility model is simple in structure,The stability and service life of crane arm can be improved,The length of crane arm can be adjusted according to different occasions,Use scope is wide.
Description
Technical field
It the utility model is related to crane technical field, and in particular to a kind of crane arm of derrick crane.
Background technology
The connection structure of current derrick crane, is equipped with a block usually on forked standard medial surface, while uses inclined-plane
The axis pin of structure, is contacted with block by the positioning inclined-plane of axis pin, realizes the axially position to axis pin, then pass through split pin again
To prevent coming off for shotpin axis.But this connection structure, its to axis pin in the axial direction be accurately positioned it is difficult and also be difficult
The insertion depth of axis pin is adjusted according to actual conditions, thus be easy to cause the end face of axis pin relative to forked standard lateral surface bumps not
, easily there is luffing interim card, hit abnormal sound, cause the problems such as variable-amplitude steel wire rope relaxation, jib lubbing mechanism damage in the problem of flat；Seriously
When, is more likely to trolley is stuck, causes peril, and existing connection structure can not realize positioning, in installation process
In easily make axis pin installation there is error, axis pin can be caused to fracture when serious, so as to cause major accident.
Utility model content
The purpose of this utility model, which is to provide, a kind of can prevent axis pin from coming off, realize that crane arm quickly connects the one of positioning
The crane arm of kind derrick crane.
In order to solve the above-mentioned technical problem, the utility model adopts the following technical solution：
A kind of crane arm of derrick crane, including the sequentially connected base section in identical and left and right forms by multiple structures,
Base section left end is provided with double end connecting portion, and base section right end is provided with single head connecting portion, and double end connecting portion connects including upper double end
Socket part and lower double end connecting portion, are provided with single head connecting portion upper Positioning holes in the middle part of upper double end connecting portion, lower double end connecting portion
Middle part is provided with single head connecting portion lower Positioning holes, the center line weight of single head connecting portion upper Positioning holes and single head connecting portion lower Positioning holes
Close and set along the vertical direction, the middle part on single head connecting portion edge is provided with double end connecting portion connecting hole along the vertical direction, and double end connects
The center line of socket part connecting hole and the single head connecting portion upper Positioning holes of adjacent foundation section, the center line of single head connecting portion lower Positioning holes
Overlap, single head connecting portion is arranged between the upper double end connecting portion of adjacent foundation section and lower double end connecting portion, single head connecting portion
It is fixedly connected with the double end connecting portion of adjacent foundation section by axis pin；Base section upper end is provided with bindiny mechanism, bindiny mechanism's bag
Including handle, handle connecting plate, the first support plate and the second support plate, the second support plate is arranged on the first support plate right, and first
Support plate lower end is fixed on base section upper surface, and the first support plate upper end is hinged with handle connecting plate lower end, on handle connecting plate
End is hinged with middle handle, and handle, at its lower end is hinged with locating shaft, and locating shaft right end is hinged with handle, and base section upper surface is vertically set
Locating shaft support plate is equipped with, locating shaft support plate is provided with the through hole passed through for middle part of locating shaft, and the second support plate is vertically square
To middle part be provided with locating shaft connecting hole, locating shaft left end connects with the locating shaft in the second support plate of adjacent foundation section right end
Connect hole to be engaged, and be fixedly connected by locating shaft nut with the second support plate of adjacent foundation section right end.
The left part of base section front end face is provided with preceding reinforcing plate, and preceding reinforcing plate right end is hinged on base section front end face, preceding to add
Reinforcing plate connecting hole before strong plate left end is provided with, the right part of base section front end face are provided with preceding reinforcing plate location hole, preceding reinforcing plate
Connecting hole is fixedly connected with the preceding reinforcing plate location hole of adjacent foundation section by preceding reinforcement crab bolt.
The left part of base section rear end face is provided with rear reinforcing plate, and rear reinforcing plate right end is hinged on base section rear end face, rear to add
Strong plate left end is provided with rear reinforcing plate connecting hole, and the right part of base section rear end face is provided with rear reinforcing plate location hole, rear reinforcing plate
Connecting hole is fixedly connected with the rear reinforcing plate location hole of adjacent foundation section by rear reinforcement crab bolt.
Axis pin upper end is provided with the first clamp nut, and lower end is provided with the second clamp nut.
First clamp nut and the second clamp nut are self-locking nut.
Locating shaft nut is self-locking nut.
The shape of handle is " L " shape.
Handle connection plate shape is " L " shape.
The length of single head connecting portion left and right directions is more than or equal to the length of double end connecting portion left and right directions, single head connecting portion
Right side is plane, and the centre position of upper double end connecting portion and lower double end connecting portion is dented space, the right flank of dented space
Plane is corresponded to, the left side of upper double end connecting portion and lower double end connecting portion is plane, and single head connects on base section right side
The outside in portion is also plane, and the left side of upper double end connecting portion and lower double end connecting portion is acted against on base section right side.
Locating shaft support plate is arranged in parallel with two pieces in left-right direction.
Relative to the prior art, the beneficial effects of the utility model are：The utility model ability double end connecting portion connects with single head
The structure design of socket part, realizes the connection of base section, is connected between each base section by axis pin, axis pin upper and lower ends are all provided with
Self-locking nut is equipped with, can effectively prevent the loosening of axis pin, while axis pin is also effectively prevent when crane arm vibrates
Come off；Bindiny mechanism is further set in base section upper end, bindiny mechanism not only make to connect between base section it is even closer, together
When play the role of fast positioning, crane arm base section can be made to remain at grade；Further on basis
Save former and later two end faces and reinforcing plate is set, reinforcing plate is linked together two neighboring base section by strengthening crab bolt, is improved
The stability of crane arm.The utility model is simple in structure, it is possible to increase the stability and service life of crane arm, can be according to not
It is wide with the length of occasion adjustment crane arm, use scope.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the right view of Fig. 1；
Fig. 3 is the base section connection diagram of the utility model.
In figure：1st, base section 1-1, double end connecting portion 1-1-1, upper double end connecting portion 1-1-2, lower double end connecting portion 1-
2nd, single head connecting portion 2, handle 3, handle connecting plate 4, the first support plate 5, the second support plate 6, locating shaft 7, locating shaft branch
Fagging 8, preceding reinforcing plate 9, preceding reinforcing plate connecting hole 10, preceding reinforcing plate location hole 11, rear reinforcing plate 12, the second clamp nut
13rd, the first clamp nut 14, locating shaft connecting hole 15, single head connecting portion upper Positioning holes 16, single head connecting portion lower Positioning holes
17th, 18 axis pin 19 of double end connecting portion connecting hole, locating shaft nut.
Embodiment
Embodiment：As shown in Figure 1 to Figure 3, a kind of crane arm of derrick crane, including the identical and left and right by multiple structures
Sequentially connected base section composition, base section left end are provided with double end connecting portion 1-1, and 1 right end of base section is provided with single head connection
Portion 1-2, double end connecting portion 1-1 include upper double end connecting portion 1-1-1 and lower double end connecting portion 1-1-2, upper double end connecting portion 1-1-1
Middle part be provided with single head connecting portion upper Positioning holes 15, it is fixed to be provided with the middle part of lower double end connecting portion 1-1-2 under single head connecting portion
Position hole 16, single head connecting portion upper Positioning holes 15 are overlapped with the center line of single head connecting portion lower Positioning holes 16 and set along the vertical direction
Put, double end connecting portion connecting hole 17, the center line and phase of double end connecting portion connecting hole 17 are provided with the middle part of single head connecting portion 1-2
The single head connecting portion upper Positioning holes 15 of adjacent base section 1, the center line of single head connecting portion lower Positioning holes 16 overlap, single head connecting portion
1-2 is arranged between the upper double end connecting portion 1-1-1 of adjacent foundation section 1 and lower double end connecting portion 1-1-2, single head connecting portion 1-2
The length of left and right directions is equal to the length of double end connecting portion left and right directions, and the right side of single head connecting portion 12 is plane, upper double end
The centre position of connecting portion 1-1-1 and lower double end connecting portion 1-1-2 is dented space, and the right flank of dented space corresponds to put down
Face, the left side of upper double end connecting portion 1-1-1 and lower double end connecting portion 1-1-2 is plane, and single head connects on 1 right side of base section
The outside of socket part 1-1 is also plane, and the left side of upper double end connecting portion 1-1-1 and lower double end connecting portion 1-1-2 acts against base
On 1 right side of plinth section, single head connecting portion 1-2 is fixedly connected with the double end connecting portion 1-1 of adjacent foundation section 1 by axis pin 18, pin
18 upper end of axis is provided with the first clamp nut 13, and lower end is provided with the second clamp nut 12, in the present embodiment, the first clamp nut
13 and second clamp nut 12 be self-locking nut；1 upper end of base section is provided with bindiny mechanism, and bindiny mechanism includes handle 2, hand
Handle connecting plate 3, the first support plate 4 and the second support plate 5, the second support plate 5 are arranged on 4 right of the first support plate, the first support
4 lower end of plate is fixed on 1 upper surface of base section, and 4 upper end of the first support plate is hinged with 3 lower end of handle connecting plate, on handle connecting plate 3
End and the middle part of handle 2 are hinged, and in the present embodiment, the shape of handle 2 is " L " shape, and 3 shape of handle connecting plate is " L " shape, handle 2
Lower end is provided with locating shaft 6, and 6 right end of locating shaft is hinged with handle 2, and 1 upper surface of base section is vertically provided with locating shaft support plate
7, in the present embodiment, locating shaft support plate 7 is arranged in parallel with two pieces in left-right direction, and locating shaft support plate 7 is provided with for positioning
The through hole that the middle part of axis 6 passes through, the middle part of the second support plate 5 along the vertical direction is provided with locating shaft connecting hole 14, locating shaft left end
It is engaged with the locating shaft connecting hole 14 in the second support plate 5 of 1 right end of adjacent foundation section, and passes through locating shaft nut 19 and phase
Second support plate 5 of adjacent 1 right end of base section is fixedly connected, and in the present embodiment, locating shaft nut 19 is self-locking nut；Base section 1
The left part of front end face is provided with preceding reinforcing plate 8, and preceding 8 right end of reinforcing plate is hinged on 1 front end face of base section, and preceding 8 left end of reinforcing plate is set
Reinforcing plate connecting hole 9 before being equipped with, the right part of 1 front end face of base section are provided with preceding reinforcing plate location hole 10, preceding reinforcing plate connecting hole 9
It is fixedly connected with the preceding reinforcing plate location hole 10 of adjacent foundation section 1 by preceding reinforcement crab bolt；The left part of 1 rear end face of base section is set
Rear reinforcing plate 11 is equipped with, rear 11 right end of reinforcing plate is hinged on 1 rear end face of base section, and rear 11 left end of reinforcing plate is provided with rear reinforcing plate
Connecting hole, the right part of 1 rear end face of base section are provided with rear reinforcing plate location hole, rear reinforcing plate connecting hole and adjacent foundation section 1
Reinforcing plate location hole is fixedly connected by rear reinforcement crab bolt afterwards.
The utility model first connects the double end of the single head connecting portion 1-2 of base section 1 and adjacent foundation section 1 when implementing
Socket part 1-1 is docked, and handle 2 is lifted up, and handle 2 drives locating shaft lateral movement to the left, and 6 left end of locating shaft passes through adjacent foundation
The locating shaft connecting hole 14 of section 1, and by locating shaft nut 19 by the second support plate 5 of locating shaft 6 and 1 right end of adjacent foundation section
It is fixedly connected, axis pin 18 is further sequentially passed through into upper double end connecting portion 1-1-1, lower double end connecting portion 1-1-2 is connected with single head
Portion 1-2, and the first clamp nut 13 is screwed in 18 upper end of axis pin, the second clamp nut 12 is screwed in into 18 lower end of axis pin, finally
Complete the connection of base section 1.
Claims (10)
- A kind of 1. crane arm of derrick crane, it is characterised in that：Including the sequentially connected base in identical and left and right by multiple structures Plinth section forms, and base section left end is provided with double end connecting portion, and base section right end is provided with single head connecting portion, and double end connecting portion includes Upper double end connecting portion and lower double end connecting portion, are provided with single head connecting portion upper Positioning holes, lower double end in the middle part of upper double end connecting portion Single head connecting portion lower Positioning holes, single head connecting portion upper Positioning holes and single head connecting portion lower Positioning holes are provided with the middle part of connecting portion Center line is overlapped and set along the vertical direction, and the middle part on single head connecting portion edge is provided with the connection of double end connecting portion along the vertical direction Hole, the center line of double end connecting portion connecting hole under the single head connecting portion upper Positioning holes of adjacent foundation section, single head connecting portion with positioning The center line in hole overlaps, and single head connecting portion is arranged between the upper double end connecting portion of adjacent foundation section and lower double end connecting portion, Single head connecting portion is fixedly connected with the double end connecting portion of adjacent foundation section by axis pin；Base section upper end is provided with bindiny mechanism, Bindiny mechanism includes handle, handle connecting plate, the first support plate and the second support plate, and the second support plate is arranged on the first support plate Right, the first support plate lower end are fixed on base section upper surface, and the first support plate upper end is hinged with handle connecting plate lower end, handle Connecting plate upper end is hinged with middle handle, and handle, at its lower end is hinged with locating shaft, and locating shaft right end is hinged with handle, base section upper end Face is vertically provided with locating shaft support plate, and locating shaft support plate is equipped with the through hole passed through for middle part of locating shaft, the second support plate edge Locating shaft connecting hole is provided with the middle part of above-below direction, locating shaft left end in the second support plate of adjacent foundation section right end with determining Position axis connection hole is engaged, and is fixedly connected by locating shaft nut with the second support plate of adjacent foundation section right end.
- A kind of 2. crane arm of derrick crane according to claim 1, it is characterised in that：The base section front end face Left part be provided with preceding reinforcing plate, preceding reinforcing plate right end is hinged on base section front end face, and preceding reinforcing plate left end is provided with preceding reinforcement Plate connecting hole, the right part of base section front end face are provided with preceding reinforcing plate location hole, preceding reinforcing plate connecting hole and adjacent foundation section Preceding reinforcing plate location hole is fixedly connected by preceding reinforcement crab bolt.
- A kind of 3. crane arm of derrick crane according to claim 1, it is characterised in that：The base section rear end face Left part be provided with rear reinforcing plate, rear reinforcing plate right end is hinged on base section rear end face, and rear reinforcing plate left end is strengthened after being provided with Plate connecting hole, the right part of base section rear end face are provided with rear reinforcing plate location hole, rear reinforcing plate connecting hole and adjacent foundation section Reinforcing plate location hole is fixedly connected by rear reinforcement crab bolt afterwards.
- A kind of 4. crane arm of derrick crane according to claim 1, it is characterised in that：The axis pin upper end is set There is the first clamp nut, lower end is provided with the second clamp nut.
- A kind of 5. crane arm of derrick crane according to claim 4, it is characterised in that：First clamp nut It is self-locking nut with the second clamp nut.
- A kind of 6. crane arm of derrick crane according to claim 1, it is characterised in that：The locating shaft nut is Self-locking nut.
- A kind of 7. crane arm of derrick crane according to claim 1, it is characterised in that：The shape of the handle is " L " shape.
- A kind of 8. crane arm of derrick crane according to claim 1, it is characterised in that：The handle connecting plate shape Shape is " L " shape.
- A kind of 9. crane arm of derrick crane according to claim 1, it is characterised in that：The single head connecting portion is left The length of right direction is more than or equal to the length of double end connecting portion left and right directions, and the right side of single head connecting portion is plane, upper double end The centre position of connecting portion and lower double end connecting portion is dented space, and the right flank of dented space corresponds to plane, and upper double end connects Socket part and the left side of lower double end connecting portion are plane, and the outside of single head connecting portion is also plane on base section right side, The left side of upper double end connecting portion and lower double end connecting portion is acted against on base section right side.
- A kind of 10. crane arm of derrick crane according to claim 1, it is characterised in that：The locating shaft support Plate is arranged in parallel with two pieces in left-right direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721458497.7U CN207347044U (en) | 2017-11-06 | 2017-11-06 | A kind of crane arm of derrick crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721458497.7U CN207347044U (en) | 2017-11-06 | 2017-11-06 | A kind of crane arm of derrick crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207347044U true CN207347044U (en) | 2018-05-11 |
Family
ID=62354464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721458497.7U Expired - Fee Related CN207347044U (en) | 2017-11-06 | 2017-11-06 | A kind of crane arm of derrick crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207347044U (en) |
-
2017
- 2017-11-06 CN CN201721458497.7U patent/CN207347044U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180511 Termination date: 20181106 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |