阅读说明：本技术 一种起重机 (Crane ) 是由 印西达 方强 丁亭 于 2020-08-06 设计创作，主要内容包括：本发明提供一种起重机,涉及工程机械技术领域。起重机包括转台和配重,转台设置有插销,配重设置有插孔,插销与插孔配合以使得配重转动连接于转台,配重设置有限位杆,转台设置有限位槽,限位杆卡入限位槽内以防止配重倾转。本起重机配重连接和固定方式较为简单,有利于提高装配效率。(The invention provides a crane, and relates to the technical field of engineering machinery. The crane comprises a rotary table and a balance weight, the rotary table is provided with a bolt, the balance weight is provided with a jack, the bolt is matched with the jack so that the balance weight can be rotatably connected to the rotary table, the balance weight is provided with a limiting rod, the rotary table is provided with a limiting groove, and the limiting rod is clamped into the limiting groove so as to prevent the balance weight from tilting. The crane counterweight is simple in connection and fixing mode, and the assembly efficiency is improved.)

1. The utility model provides a crane, its characterized in that, includes revolving stage and counter weight, the revolving stage is provided with the bolt, the counter weight is provided with the jack, the bolt with the jack cooperation is so that the counter weight rotate connect in the revolving stage, the counter weight is provided with the gag lever post, the revolving stage is provided with the spacing groove, the gag lever post card is gone into the spacing inslot is in order to prevent the counter weight verts.

2. The crane according to claim 1, wherein the plug and the stopper rod each extend in a left-right direction of the turntable.

3. The crane according to claim 2, wherein the insertion hole is located on one side of a center of gravity of the counterweight in a front-rear direction of the turntable.

4. The crane according to claim 3, wherein the insertion hole is located on a front side of a center of gravity of the counterweight in a front-rear direction of the turn table, and the stopper rod is provided on the front side of the insertion hole.

5. The crane according to claim 3, wherein the insertion hole is located on a rear side of a center of gravity of the counterweight in a front-rear direction of the turn table, and the stopper rod is provided on the rear side of the insertion hole.

6. The crane according to claim 1, wherein the stop rod is a cylindrical rod and the stop groove is an arc groove engaged with the cylindrical rod.

7. The crane as claimed in claim 1, wherein the turn table is provided with a latch cylinder connected to the latch to drive the latch to be inserted into or withdrawn from the jack.

8. The crane according to claim 7, wherein said turn table is provided with two said bolts and two said bolt cylinders, said two said bolt cylinders being connected to said two said bolts in a one-to-one correspondence, said two said bolt cylinders being adapted to drive said two said bolts to extend in a direction away from each other or to retract in a direction towards each other.

9. The crane according to claim 1, wherein the left and right sides of the turntable are respectively provided with a lifting cylinder, and the lifting cylinders are used for being connected with the counterweight to lift the counterweight.

10. The crane according to claim 9, wherein a connection line between projections of centers of the lift cylinders on the left and right sides of the turntable on a predetermined plane is not perpendicular to the front-rear direction of the turntable, and the predetermined plane is parallel to both the front-rear direction and the left-right direction of the turntable.