CN203545532U - Connector device and tower crane provided with same - Google Patents

Connector device and tower crane provided with same Download PDF

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Publication number
CN203545532U
CN203545532U CN201320759346.0U CN201320759346U CN203545532U CN 203545532 U CN203545532 U CN 203545532U CN 201320759346 U CN201320759346 U CN 201320759346U CN 203545532 U CN203545532 U CN 203545532U
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CN
China
Prior art keywords
dead axle
otic placode
piecing devices
axle plate
gap
Prior art date
Application number
CN201320759346.0U
Other languages
Chinese (zh)
Inventor
黄镇
郑昌明
Original Assignee
中联重科股份有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 中联重科股份有限公司 filed Critical 中联重科股份有限公司
Priority to CN201320759346.0U priority Critical patent/CN203545532U/en
Application granted granted Critical
Publication of CN203545532U publication Critical patent/CN203545532U/en

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Abstract

The utility model relates to a connector device and a tower crane provided with the same. The connector device comprises a connector lug plate, an axis fixing plate and a connecting pin shaft. The connector lug plate is provided with an opening for the connecting pin shaft to pass through, and the axis fixing plate is provided with a groove and can be connected to the connector lug plate in a rotating mode. The connector device also comprises a locating part used for enabling the connector device to be in a locking state. In the locking state, the locating part is connected with the connector lug plate and the axis fixing plate. In addition, a connecting hole used for limiting the position of the connecting pin shaft is formed by the opening and the groove in an enclosing mode. According to the technical scheme, due to the fact that the axis fixing plate is connected to the connector lug plate in a rotating mode, the connector device has a simple structure, the difficulty in overhead installation is reduced, installation is convenient, and work efficiency is effectively improved.

Description

Piecing devices and there is the tower machine of these piecing devices
Technical field
The utility model relates to engineering machinery field, relates in particular to a kind of piecing devices and has the tower machine of these piecing devices.
Background technology
Tower machine is large-sized aerial work special equipment, in the time of on the tower body that the parts such as crane arm, equilibrium arm is installed to tower machine, the joint of these parts need to be coordinated, locates and assemble with the joint of tower body associated components; And changing or during the parts such as dismounting crane arm, equilibrium arm, need again the disconnection that is connected between the joint of the joint of these parts and tower body associated components.Because the deadweight of the parts such as crane arm, equilibrium arm is very large, therefore, the Assembly &Disassembly operation of the parts such as crane arm, equilibrium arm on tower body takes time and effort very much, and these operations are all at high aerial operation, have larger potential safety hazard.
As shown in Figure 1, in the connecting device between tower body and crane arm or equilibrium arm of prior art, connection bearing pin 100 on the lower boom of crane arm or equilibrium arm is put in the gap of joint 200 of tower body, dead axle frame 300 falls, groove on it surrounds together and is firmly connected bearing pin 100 with aforementioned gap, then use bearing pin jointing 200 and dead axle frame 300, complete the connection between tower body and crane arm or equilibrium arm.But in above-mentioned prior art, the weight of dead axle frame 300 is heavier, and need to install, make that installation difficulty is large, complex operation, danger coefficient is high and efficiency is low aloft.Therefore, be necessary to improve for the above-mentioned defect existing in prior art.
Utility model content
Main purpose of the present utility model is to provide a kind of piecing devices and has the tower machine of these piecing devices, and described joint structure is simple, easy for installation, can more effectively increase work efficiency.
To achieve these goals, according to first aspect of the present utility model, a kind of piecing devices are provided, comprise joint otic placode, dead axle plate and be connected bearing pin, on aforementioned joint otic placode, there is the gap that allows aforementioned connection bearing pin to enter, on aforementioned dead axle plate, have groove, aforementioned dead axle plate is rotatably connected on aforementioned joint otic placode; Aforementioned piecing devices also comprise the locations for aforementioned piecing devices are in the lock state, under aforementioned lock-out state, aforementioned locations connects aforementioned joint otic placode and aforementioned dead axle plate, and aforementioned gap and aforementioned grooves surround jointly for limiting the connecting bore of aforementioned connecting pin shaft position.
Further, aforementioned dead axle plate is a pair of otic placode that is arranged on aforementioned joint otic placode inner side or outside.
Further, the opening direction of aforementioned gap straight up.
Further, between the opening direction of aforementioned gap and horizontal direction, form acute angle.
Further, between the opening direction of aforementioned gap and horizontal direction, form the acute angle being tilted to.
Further, aforementioned dead axle plate is rotatably connected on aforementioned joint otic placode by fulcrum post, and aforementioned fulcrum post is arranged on the bottom of aforementioned joint otic placode.
Further, aforementioned locations is locating dowel pin, and aforementioned locating dowel pin connects aforementioned joint otic placode and aforementioned dead axle plate on the top of aforementioned joint otic placode.
Further, aforementioned piecing devices also comprise the locating part of the below that is arranged on aforementioned fulcrum post, and aforementioned locating part is for being limited in aforementioned dead axle plate the position that allows aforementioned connection bearing pin to enter aforementioned gap.
Further, aforementioned dead axle plate has first and second portion, aforementioned fulcrum post is located in the middle part of aforementioned first, aforementioned locating dowel pin is located in the end of aforementioned second portion, make when aforementioned dead axle plate contacts with aforementioned locating part aforementioned first block at least a portion of aforementioned gap, and at aforementioned connection bearing pin, enter in the process of aforementioned gap aforementioned connection bearing pin against the edge of aforementioned first, and make aforementioned dead axle plate rotate to around aforementioned fulcrum post the position that aforementioned lock-out state is corresponding.
According to second aspect of the present utility model, a kind of tower machine is provided, comprise at least one piecing devices, described piecing devices are according to the piecing devices described in any one in aforementioned first aspect.
According to the technical solution of the utility model, because dead axle plate is rotatably connected on joint otic placode, piecing devices simple in structure, has reduced the difficulty of installing aloft, easy for installation, has effectively improved work efficiency.
Accompanying drawing explanation
Figure of description is used to provide further understanding of the present utility model, forms a part of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the schematic diagram of tower body before being connected with crane arm or equilibrium arm in prior art;
Fig. 2 is the schematic diagram of tower body after being connected with crane arm or equilibrium arm in prior art;
Fig. 3 is the front elevation of the joint otic placode of the utility model embodiment;
Fig. 4 is the front elevation of the dead axle plate of the utility model embodiment;
Fig. 5 is the structural representation after the joint otic placode of the utility model embodiment is connected with dead axle plate;
Fig. 6 is the structural representation before the local connection of the tower body of the utility model embodiment;
Fig. 7 is the crane arm of the utility model embodiment or the structural representation before the local connection of equilibrium arm;
Fig. 8 is the structural representation before the tower body of the utility model embodiment is connected with crane arm or equilibrium arm;
Fig. 9 is the structural representation after the tower body of the utility model embodiment is connected with crane arm or equilibrium arm.
The specific embodiment
It should be noted that, in the situation that clearly not limiting or not conflicting, the feature in each embodiment of the present utility model can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.
Defect for prior art, the utility model provides a kind of piecing devices, comprise joint otic placode, dead axle plate and be connected bearing pin, on described joint otic placode, there is the gap that permission enters for described connection bearing pin, on described dead axle plate, have groove, described dead axle plate is rotatably connected on described joint otic placode; Described piecing devices also comprise the locations for described piecing devices are in the lock state, under described lock-out state, described locations connects described joint otic placode and described dead axle plate, and described gap and described groove surround jointly for limiting the connecting bore of described connecting pin shaft position.
Fig. 3 is the front elevation of the joint otic placode of the utility model embodiment.As shown in Figure 3, joint otic placode 20 comprises the first dowel hole 21, the first revolution pin-and-hole 22, backing pin hole 23, pin-and-hole 24 and gap 25 is installed.Wherein, joint otic placode 20 is connected via bearing pin by installing between the tower top of pin-and-hole 24 and tower machine.
Fig. 4 is the front elevation of the dead axle plate of the utility model embodiment.As shown in Figure 4, dead axle plate 30 comprises groove 31, the second dowel hole 32 and the second revolution pin-and-hole 33.
Fig. 5 is the structural representation after the joint otic placode of the utility model embodiment is connected with dead axle plate.As shown in Figure 5, dead axle plate 30 is also otic placode, and is arranged on the outside of joint otic placode 20.Certainly, dead axle plate 30 also can be arranged on the inner side of joint otic placode 20.
In the piecing devices of the present embodiment, in conjunction with Fig. 3 to 5, the second revolution pin-and-hole 33 on joint otic placode 20 first revolution pin-and-hole 22 and dead axle plate 30 aligns mutually, and fulcrum post 41 can pass from them, and dead axle plate 30 is rotatably connected on joint otic placode 20.
When the piecing devices of the present embodiment are in the lock state, the first dowel hole 21 on joint otic placode 20 aligns mutually with the second dowel hole 32 on dead axle plate 30, locating dowel pin 42 can pass from them, thereby lock the position of dead axle plate 30 completely, it cannot be rotated with respect to joint otic placode 20.Now, gap 25 and groove 31 surround connecting bore jointly, and this connecting bore is for limiting the position that connects bearing pin, and this will introduce below.
The opening of gap 25 can be all directions, as long as and can be encircled into connecting bore between the groove 31 on dead axle plate 30.Preferably, the opening direction of gap 25 straight up.More preferably, in the present embodiment, between the opening direction of gap 25 and horizontal direction, form acute angle.
In addition, in the backing pin hole 23 that backing pin 43 inserts on joint otic placode 20.With reference to Fig. 3 and 5, backing pin hole 23 is positioned at the below of revolution pin-and-hole 22, therefore the also below in fulcrum post 41 of backing pin 43.
Fig. 6 is the structural representation before the local connection of the tower body of the utility model embodiment.As shown in Figure 6, joint otic placode 20 is arranged on the main chord of tower body by the mode of for example welding.Dead axle plate 30 is rotatably connected on joint otic placode 20 by fulcrum post 41, and backing pin 43 is as locating part, for dead axle plate 30 is limited in to the position that gap 25 is opened completely, allows to connect the position that bearing pin enters gap 25.
As shown in FIG. 7 and 8, the lower boom of equilibrium arm or crane arm is provided with lower boom otic placode 10, has worn connection bearing pin 11 on it.Referring to Fig. 8, when connecting, lower boom otic placode 10 is risen to joint otic placode 20 places, make lower boom otic placode 10 and connect bearing pin 11 to enter in the gap 25 of joint otic placode 20.
As shown in Figure 6, dead axle plate 30 has first and second portion, fulcrum post 41 is located in the middle part of described first, locating dowel pin 42 is located in the end of described second portion, make when dead axle plate 30 contacts with described locating part, at least a portion of gap 25 is blocked by described first, and enter in the process of gap 25 at connection bearing pin 11, connect bearing pin 11 against the edge of described first, and make dead axle plate 30 rotate to around fulcrum post 41 position that described lock-out state is corresponding, locating dowel pin 42 connects the position of dead axle plate 30 and joint otic placode.
By the contour shape of design dead axle plate 30, connect bearing pin 11 in the process of the opening direction down sliding along gap 25, owing to connecting contacting between bearing pin 11 and dead axle plate 30, can so that 30 wraparounds of dead axle plate ship and resell on another market and 41 rotate in the counterclockwise direction, when connection bearing pin 11 is positioned at the bottom of gap 25, dead axle plate 30 is turned back to the position that the first knock hole 21 on the second knock hole 33 on it and joint otic placode 20 is aimed at mutually, now can insert locating dowel pin 42, just can make piecing devices be in the lock state.Now, connect bearing pin 11 and be limited in connecting bore that gap 25 and groove 31 surround jointly, thereby realized being connected between tower body and equilibrium arm or revoliving arm, as shown in Figure 9.
Certainly, also can after connection bearing pin 11 enters into the bottom of gap 25, adopt artificial or mechanical mode that dead axle plate 30 is rotated to relevant position, to insert locating dowel pin 42 by joint otic placode 20 and 30 lockings of dead axle plate, thereby realize the locking of piecing devices.
By such structure, because dead axle plate is rotatably connected on joint otic placode, piecing devices simple in structure, has reduced the difficulty of installing aloft, easy for installation, has effectively improved work efficiency.
According to embodiment, described piecing devices of the present utility model above, but these piecing devices are not limited in the parts described in this embodiment and/or annexation.
For example, dead axle plate can be veneer or otic placode, and can be arranged on inner side or the outside of joint otic placode; The connection location of dead axle plate and joint otic placode is not limit, as long as dead axle plate can be rotatably connected to joint otic placode, and under lock-out state, the groove of the gap of joint otic placode and dead axle plate can be encircled into the connecting bore of restriction connecting pin shaft position, can realize the object of the utility model; In addition, locations is also not limited to locating dowel pin, and locating part is also not limited to backing pin.
The utility model also provides a kind of tower machine, and it comprises at least one piecing devices, and described piecing devices are the piecing devices of previous embodiment and modification thereof.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.

Claims (10)

1. piecing devices, comprise joint otic placode (20), dead axle plate (30) and be connected bearing pin (11), on described joint otic placode (20), there is the gap (25) that allows described connection bearing pin (11) to enter, on described dead axle plate (30), there is groove (31), it is characterized in that, described dead axle plate (30) is rotatably connected on described joint otic placode (20); Described piecing devices also comprise the locations for described piecing devices are in the lock state, under described lock-out state, described locations connects described joint otic placode (20) and described dead axle plate (30), and described gap (25) and described groove (31) surround jointly for limiting the connecting bore of described connection bearing pin (11) position.
2. piecing devices according to claim 1, is characterized in that, described dead axle plate (30) is for to be arranged on inside described joint otic placode (20) or a pair of otic placode in outside.
3. piecing devices according to claim 1, is characterized in that, the opening direction of described gap (25) straight up.
4. piecing devices according to claim 1, is characterized in that, between the opening direction of described gap (25) and horizontal direction, form acute angle.
5. piecing devices according to claim 4, is characterized in that, form the acute angle being tilted between the opening direction of described gap (25) and horizontal direction.
6. according to the piecing devices described in any one in claim 1 to 5, it is characterized in that, it is upper that described dead axle plate (30) is rotatably connected to described joint otic placode (20) by fulcrum post (41), and described fulcrum post (41) is arranged on the bottom of described joint otic placode (20).
7. piecing devices according to claim 6, is characterized in that, described locations is locating dowel pin (42), and described locating dowel pin (42) connects described joint otic placode (20) and described dead axle plate (30) on the top of described joint otic placode (20).
8. piecing devices according to claim 7, it is characterized in that, described piecing devices also comprise the locating part of the below that is arranged on described fulcrum post (41), and described locating part is for being limited in described dead axle plate (30) position that allows described connection bearing pin (11) to enter described gap (25).
9. piecing devices according to claim 8, it is characterized in that, described dead axle plate (30) has first and second portion, described fulcrum post (41) is located in the middle part of described first, described locating dowel pin (42) is located in the end of described second portion, described in making when described dead axle plate (30) contacts with described locating part, at least a portion of described gap (25) is blocked by first, and at described connection bearing pin (11), enter described in the process of described gap (25) and connect bearing pin (11) against the edge of described first, and make described dead axle plate (30) rotate to around described fulcrum post (41) position that described lock-out state is corresponding.
10. a tower machine, comprises at least one piecing devices, it is characterized in that, described piecing devices are according to the piecing devices described in any one in claim 1 to 9.
CN201320759346.0U 2013-11-26 2013-11-26 Connector device and tower crane provided with same CN203545532U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320759346.0U CN203545532U (en) 2013-11-26 2013-11-26 Connector device and tower crane provided with same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320759346.0U CN203545532U (en) 2013-11-26 2013-11-26 Connector device and tower crane provided with same

Publications (1)

Publication Number Publication Date
CN203545532U true CN203545532U (en) 2014-04-16

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CN201320759346.0U CN203545532U (en) 2013-11-26 2013-11-26 Connector device and tower crane provided with same

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104045008A (en) * 2014-05-30 2014-09-17 中联重科股份有限公司 Segmented balance arm and tower crane
CN105731276A (en) * 2014-12-09 2016-07-06 三一汽车起重机械有限公司 Connector and engineering machine
CN106946146A (en) * 2017-04-28 2017-07-14 浙江诚康钢管有限公司 A kind of lifting device
WO2019145260A1 (en) * 2018-01-25 2019-08-01 Liebherr-Werk Biberach Gmbh Tower crane

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104045008A (en) * 2014-05-30 2014-09-17 中联重科股份有限公司 Segmented balance arm and tower crane
CN104045008B (en) * 2014-05-30 2016-01-06 中联重科股份有限公司 Segment type equilibrium arm and tower crane
CN105731276A (en) * 2014-12-09 2016-07-06 三一汽车起重机械有限公司 Connector and engineering machine
CN105731276B (en) * 2014-12-09 2018-12-25 三一汽车起重机械有限公司 connector and engineering machinery
CN106946146A (en) * 2017-04-28 2017-07-14 浙江诚康钢管有限公司 A kind of lifting device
WO2019145260A1 (en) * 2018-01-25 2019-08-01 Liebherr-Werk Biberach Gmbh Tower crane

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