CN207046729U - A kind of arm-tie bracket - Google Patents

A kind of arm-tie bracket Download PDF

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Publication number
CN207046729U
CN207046729U CN201720881652.XU CN201720881652U CN207046729U CN 207046729 U CN207046729 U CN 207046729U CN 201720881652 U CN201720881652 U CN 201720881652U CN 207046729 U CN207046729 U CN 207046729U
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China
Prior art keywords
arm
tie
girder
bracket
tie bracket
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Active
Application number
CN201720881652.XU
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Chinese (zh)
Inventor
周玉龙
李斌
宋世全
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Construction Machinery Branch of XCMG
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Construction Machinery Branch of XCMG
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Priority to CN201720881652.XU priority Critical patent/CN207046729U/en
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Publication of CN207046729U publication Critical patent/CN207046729U/en
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Abstract

The utility model discloses a kind of arm-tie bracket, including girder, the multipair mounting hole for installing U-bolt is provided with girder vertically;Girder both ends set a U-shaped frame respectively, and U-shaped frame bottom is placed on girder;An arm-tie can be accommodated in U-shaped opening on each U-shaped frame, the end set bearing pin of U-shaped opening, the arm-tie wherein accommodated is limited in U-shaped opening by bearing pin.Arm-tie bracket of the present utility model is detachable, avoids welding from being deformed the situation for causing arm-tie can not be put into arm-tie bracket;A variety of arm-tie combinations can be met, select to meet that different arm-ties combine using different arm-tie brackets and varying number combination;When arm-tie need not transport with arm support, arm-tie bracket can directly be removed, arm support is had no effect, reduce conveyor width.

Description

A kind of arm-tie bracket
Technical field
The arm-tie bracket on a kind of crawler crane is the utility model is related to, belongs to crawler crane technical field.
Background technology
Crawler crane is to use caterpillar band traveling chassis, and weight can be risen to the plant equipment for being raised to certain altitude.Weight The gravity of thing by wire rope transfers to arm head assembly pulley so as to act on arm support, when lifting altitude is higher, it is necessary to arm Frame length is also longer, and corresponding arm-tie length can also increase, and arm-tie arrangement is also different therewith.As crawler crane is to large-tonnage Direction is developed, and load cases combination is also more and more, and the combining form of arm support is inconsistent under different operating modes, corresponding arm-tie arrangement combination Also it is different;The span of different operating mode lower pulling plates it is also inconsistent, it is necessary to arm-tie bracket quantity and arrangement also differ accordingly Sample.
As crawler crane technology develops increasingly mature, requirement of the user to product be not only high-performance, highly reliable Property, dismounting convenience, transition flexibility to product require also more and more high.Arm-tie is as crawler crane boom system Power transmission, it is required for dismounting when changing operating mode or transition every time, specific fixed placement structural member of the arm-tie bracket as arm-tie, is tearing open When dress arm-tie and arm-tie do not work, for placing, arm-tie is fixed, prevents that arm-tie is hanging or slides.
But arm-tie is fixed in the prior art more using welded type arm-tie bracket, as shown in figure 1, in arm support 200 Arm-tie bracket 100 is welded on segmentum intercalaris main chord, this mode is primarily present following shortcoming:
(1)Welding arm-tie bracket there may be welding deformation, cause arm-tie 300 can not be put into arm-tie bracket.
(2)Welding arm-tie bracket locations are fixed, and a kind of arm-tie combination are only applicable to, in order to take into account under various working Arm-tie combines, and the quantity of arm-tie bracket will increase.
(3)Welded type arm-tie is irremovable, rotation, increases conveyor width, especially when the span of arm-tie is larger, arm-tie The extension of bracket can increase, and the stability of the serious conveyor width for increasing arm support and arm-tie bracket itself is also bad.
Utility model content
Technical problem to be solved in the utility model is the defects of overcoming prior art, there is provided a kind of detachable arm-tie Bracket, it is not necessary to any structural member is welded on arm support, is had no effect to arm support.
In order to solve the above technical problems, the utility model provides a kind of arm-tie bracket, it is characterized in that, including girder, girder On be provided with the multipair mounting hole for installing U-bolt vertically;
Girder both ends set a U-shaped frame respectively, and U-shaped frame bottom is placed on girder;Can in U-shaped opening on each U-shaped frame An arm-tie is accommodated, the end set bearing pin of U-shaped opening, the arm-tie wherein accommodated is limited in U-shaped opening by bearing pin.
When on the main chord that U-bolt is enclosed on arm support, the both ends of U-bolt are connected through mounting hole with nut, will Girder is fixed on arm support.
When girder is fixed on arm support, the main chord of girder and arm support is mutually perpendicular to.
The mounting hole correspondingly opens up according to the width of the arm support adapted to.
Each pair mounting hole correspondingly opens up according to the main chord external diameter of arm support.
U-shaped frame is connected by screw rod or bolt with girder, or is directly welded on girder.
The beneficial effect that the utility model is reached:
Arm-tie bracket of the present utility model is detachable, avoids welding from being deformed causing arm-tie can not be put into arm-tie support The situation of frame;A variety of arm-tie combinations can be met, selection is met using different arm-tie brackets and varying number combination Different arm-tie combinations;When arm-tie need not transport with arm support, arm-tie bracket can directly be removed, arm support is had no effect, dropped Low conveyor width.
Brief description of the drawings
Fig. 1 is arm-tie bracket of the prior art;
Fig. 2 is arm-tie bracket of the present utility model;
Fig. 3 is the combination diagram of arm-tie bracket and arm support of the present utility model;
Fig. 4 is the I portions enlarged drawing in Fig. 3;
Fig. 5 is the II portions enlarged drawing in Fig. 3.
Embodiment
The utility model is further described below in conjunction with the accompanying drawings.Following examples are only used for clearly illustrating this The technical scheme of utility model, and the scope of protection of the utility model can not be limited with this.
As shown in Fig. 2, Fig. 3, Fig. 4 and Fig. 5, arm-tie bracket 1 of the present utility model includes girder 11, on girder 11 vertically Multipair mounting hole 12 is provided with, every a pair of mounting holes 12 can install a U-bolt 13, and mounting hole 12 is according to the arm support 2 adapted to Width and the external diameter of main chord 21 correspondingly open up.When on the main chord 21 that U-bolt 13 is enclosed on arm support, U-bolt 13 Arm-tie bracket 1, by nut locking, can be fixed on arm support 2 through the mounting hole 12 on arm-tie bracket, make arm-tie bracket by both ends The main chord 21 of girder 11 and arm support be mutually perpendicular to.
The both ends of girder 11 set a U-shaped frame 14 respectively, and the U-shaped bottom of frame 14 is placed on girder, and passes through screw rod or bolt etc. It is fixedly connected, can also be directly welded on girder with girder 11.One can be accommodated in U-shaped opening 15 on each U-shaped frame 14 Arm-tie 3, therefore two U-shaped framves 14 on a girder 11 can accommodate two arm-ties 3.The end of U-shaped opening 15 is by a bearing pin 16 Sealed, when arm-tie is placed in U-shaped opening 15, arm-tie 3 is fixed in arm-tie bracket 1 by bearing pin 16, prevents arm-tie 3 Rocked on arm-tie bracket 1, collide with arm-tie.When arm-tie bracket 1 is fixed on arm support 2, the U-shaped frame 14 at the both ends of girder 11 is distinguished An arm-tie 3 is held up, the main chord 21 of arm-tie 3 and arm support 2 moves towards identical, makes arm-tie 3 and arm support 2 contactless.In order that arm-tie Towing force balance, picking-up fixation at least is carried out to same arm-tie 3 by two or more arm-tie brackets 1.
Multiple arm-tie brackets 1 can be connected on arm support 2, according to the span and combining form of laying arm-tie, are selected different Arm-tie bracket locations and quantity, arm-tie bracket are fixed on arm support by U-bolt, are set flexibly, convenient to disassembly.Work as fortune During defeated, in order to prevent boom system ultra-wide, arm-tie bracket can be removed, reduce the floor space of boom system, ensured Boom system meets conveyor width requirement, saves cost of transportation.
The utility model is that a kind of removable, detachable, assembling on crawler crane boom system is drawn Board bracket, the arm-tie bracket of this structure type can avoid fixed arm-tie bracket because welding deformation causes arm-tie smooth Into the phenomenon of arm-tie bracket;It can be needed to assemble the arm-tie support that quantity does not wait in the different position of arm support according to actual condition Frame, to meet different arm-tie combining forms;This kind of arm-tie Bracket Type need not weld any structural member on arm support simultaneously, The width and weight of boom system can be reduced, reduces space, saves cost of transportation.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art For art personnel, on the premise of the utility model technical principle is not departed from, some improvement and deformation can also be made, these change Enter and deform and also should be regarded as the scope of protection of the utility model.

Claims (6)

1. a kind of arm-tie bracket, it is characterized in that, including girder, the multipair installation for installing U-bolt is provided with vertically on girder Hole;
Girder both ends set a U-shaped frame respectively, and U-shaped frame bottom is placed on girder;It can be accommodated in U-shaped opening on each U-shaped frame A piece arm-tie, the end set bearing pin of U-shaped opening, the arm-tie wherein accommodated is limited in U-shaped opening by bearing pin.
2. a kind of arm-tie bracket according to claim 1, it is characterized in that, when on the main chord that U-bolt is enclosed on arm support When, the both ends of U-bolt are connected through mounting hole with nut, and girder is fixed on arm support.
3. a kind of arm-tie bracket according to claim 2, it is characterized in that, when girder is fixed on arm support, girder and arm support Main chord be mutually perpendicular to.
4. a kind of arm-tie bracket according to claim 2, it is characterized in that, the mounting hole is according to the width of the arm support adapted to Degree is corresponding to be opened up.
5. a kind of arm-tie bracket according to claim 2, it is characterized in that, each pair mounting hole is according to the main chord external diameter of arm support It is corresponding to open up.
6. a kind of arm-tie bracket according to claim 1, it is characterized in that, U-shaped frame is connected by screw rod or bolt with girder, Or it is directly welded on girder.
CN201720881652.XU 2017-07-20 2017-07-20 A kind of arm-tie bracket Active CN207046729U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720881652.XU CN207046729U (en) 2017-07-20 2017-07-20 A kind of arm-tie bracket

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720881652.XU CN207046729U (en) 2017-07-20 2017-07-20 A kind of arm-tie bracket

Publications (1)

Publication Number Publication Date
CN207046729U true CN207046729U (en) 2018-02-27

Family

ID=61497321

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720881652.XU Active CN207046729U (en) 2017-07-20 2017-07-20 A kind of arm-tie bracket

Country Status (1)

Country Link
CN (1) CN207046729U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112141912A (en) * 2020-09-02 2020-12-29 中联重科股份有限公司 Pull plate assembly, crane boom and crane

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112141912A (en) * 2020-09-02 2020-12-29 中联重科股份有限公司 Pull plate assembly, crane boom and crane

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