液压旋孔机复合式钻杆夹持机构

Abstract

本实用新型公开了液压旋孔机复合式钻杆夹持机构，其涉及液压旋孔机钻孔夹持技术领域，旨在解决现有的钻杆夹持机构需要使用大量的螺栓将钻杆夹持固定在液压油缸的伸缩端，拆装过程需要拆装大量的螺栓，拆装过程长，拆装灵活性有待提高的问题，其技术方案要点包括安装座，所述安装座的一端安装有连接块，所述连接块的一端安装有钻杆，所述钻杆的外部套接有限位块，所述限位块安装在连接块的端面上，所述安装座和连接块的外部安装有两个锁扣箍，两个所述锁扣箍对合安装，且其中一个所述锁扣箍的两端分别焊接固定有两根锁扣螺栓。达到了能拆装少量螺母即可对钻杆进行拆装操作，拆装速度快，灵活性高的效果。

Claims

1. Hydraulic hole-making machine combined drill rod clamping mechanism, comprising a mounting seat (8), characterized in that: A connecting block (3) is installed at one end of the mounting base (8), and a drill rod (1) is installed at one end of the connecting block (3). A limiting block (2) is sleeved on the outside of the drill rod (1). The limiting block (2) is installed on the end face of the connecting block (3). Two locking clamps (5) are installed on the outside of the mounting base (8) and the connecting block (3). The two locking clamps (5) are installed together, and two locking bolts (6) are welded and fixed at both ends of one of the locking clamps (5). The locking bolts (6) pass through the through hole at the end of the other locking clamp (5), and a nut is installed on the external thread of the locking bolts (6).

2. The combined drill rod clamp mechanism of a hydraulic hole cutter according to claim 1, characterized in that: The mounting base (8) has a second locking groove (12) on its side surface, the connecting block (3) has a first locking groove (7) on its side surface, and the locking clamp (5) has protrusions on both sides of its sides, and the protrusions on both sides of its sides are respectively engaged and installed inside the first locking groove (7) and the second locking groove (12).

3. The combined drill rod clamp mechanism of a hydraulic hole cutter according to claim 1, wherein: The mounting base (8) has a limiting connection groove (11) on its end face, and the connecting block (3) has a guide end (4) integrally connected to its end face. The guide end (4) is engaged inside the limiting connection groove (11).

4. The hydraulic hole cutter compound drill rod clamping mechanism of claim 1, wherein: A rectangular block (13) is integrally connected to the middle position of one end face of the connecting block (3), and a limiting connection hole (10) is provided on the end face of the drill rod (1). The rectangular block (13) is engaged inside the limiting connection hole (10).

5. The hydraulic hole cutter compound drill rod clamping mechanism of claim 1, wherein: Multiple threaded holes are provided at the edge of the end face of the connecting block (3), and multiple countersunk holes are provided on the end face of the limiting block (2). The number and position of the countersunk holes and threaded holes are in one-to-one correspondence, and connecting bolts (9) are installed inside the countersunk holes and threaded holes.

6. The hydraulic hole cutter compound drill rod clamping mechanism of claim 3, wherein: The upper end of the guide end (4) is configured as a polygonal prism structure.

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