CN220248008U - Rotary drilling rig H frame convenient to replace and overhaul - Google Patents

Abstract

The utility model discloses a rotary drilling rig H frame convenient to replace and overhaul, which comprises an H frame body, wherein a round rotary supporting seat is fixedly connected to the H frame body, and clamping devices are arranged on two sides of the H frame body; the clamping device comprises an upper clamping plate, a rotary bolt is arranged on the upper clamping plate, a lower clamping plate is arranged below the upper clamping plate, a supporting plate is fixedly connected below the lower clamping plate at one end of the rotary bolt, threaded holes I are formed in the joints of the upper clamping plate, the lower clamping plate and the rotary bolt, a clamping groove is formed between the upper clamping plate and the lower clamping plate, threaded holes II are formed in the upper clamping plate, a locating pin is arranged in the threaded holes, limit bolts are arranged at two ends of the upper clamping plate and two ends of the lower clamping plate, and limit plates are fixedly arranged at the tail ends of the limit bolts. The utility model has the following effects: through clamping device, with the centre gripping of track walking frame between last clamping plate and lower clamping plate, carry out the centre gripping fixedly with H frame both ends through rotatory bolt, make things convenient for the free dismantlement and the change of H frame.

Description

Rotary drilling rig H frame convenient to replace and overhaul

Technical Field

The utility model relates to the technical field of rotary drilling rig structures, in particular to a rotary drilling rig H frame convenient to replace and overhaul.

Background

The rotary drilling rig is a special engineering machine for drilling foundation and hole, and drives a drill rod through a power head on a mast to enable a drill bit to rotate into soil and then drill and punch, so that foundation and hole drilling operation is performed. The rotary drilling rig mainly comprises an H frame, a crawler walking frame, an upper car turning device above the H frame and a working device for punching. The H frame is the most important connecting part formed by the whole rotary drilling rig and is used for supporting and connecting various structures of the rotary drilling rig, so that the stability of the whole rotary drilling rig during operation is kept. In the prior art, the installation mode of the H frame is generally welding or is connected to the crawler walking frame of the rotary drilling rig through screws, but the welded H frame is not easy to install and detach when the welded H frame needs to be overhauled, the H frame connected through the screws is easy to loosen in the working process, the disassembly process is more troublesome, and the H frame is inconvenient to replace and overhaul.

Disclosure of Invention

Aiming at the problems in the related art, the utility model provides a rotary drilling rig H frame convenient to replace and overhaul, so as to overcome the technical problems in the prior related art.

For this purpose, the utility model adopts the following specific technical scheme:

the H frame of the rotary drilling rig convenient to replace and overhaul comprises an H frame body, wherein a round rotary supporting seat is fixedly connected to the H frame body, an upper seat ring is arranged above the rotary supporting seat, and clamping devices are arranged on two sides of the H frame body; the clamping device comprises an upper clamping plate, a rotary bolt is installed on the upper clamping plate, a lower clamping plate is arranged below the upper clamping plate, one end of the rotary bolt is installed on the upper clamping plate, the other end of the rotary bolt is installed on the lower clamping plate, a supporting plate is fixedly connected below the lower clamping plate at one end of the rotary bolt, threaded holes I are formed in the joints of the upper clamping plate and the lower clamping plate and the rotary bolt, threads on the outer surface of the rotary bolt are matched with the threaded holes I, a clamping groove is formed between the upper clamping plate and the lower clamping plate, a threaded hole II is formed in the upper clamping plate, a locating pin is installed in the threaded holes, limit bolts are arranged at two ends of the upper clamping plate and two ends of the lower clamping plate, and limit plates are fixedly installed at the tail ends of the limit bolts.

Further, in order to realize more convenient rotation of the rotary bolt, a rotary disk is fixedly connected above the clamping plate on one end of the rotary bolt, and the rotary disk is rotated to drive the rotary bolt to rotate.

Further, in order to realize the stability of dig rig during operation soon, H frame body one side fixedly connected with stabilizes the landing leg, and stable landing leg end fixed stay post has, realizes the support to H frame through stable landing leg.

Further, in order to realize the buffering in the clamping groove of the rotary drilling rig during operation to and conveniently dismantle the H frame, the clamping groove is fixedly connected with buffer springs, and when the H frame is dismantled, the crawler walking frame is taken out of the clamping groove more easily through the elasticity of the buffer springs.

Further, in order to realize that the upper clamping plate and the lower clamping plate can relatively move when the rotary bolt is screwed, the internal threads of the threaded holes I on the upper clamping plate and the lower clamping plate are opposite.

Further, in order to realize the rotation of stable landing leg, make stable landing leg support different directions, stable landing leg passes through the axis of rotation and rotates the connection in H frame body top.

Further, in order to achieve an increase in friction in the clamping groove, the surface of the lower clamping plate is provided with anti-slip patterns.

The beneficial effects of the utility model are as follows: through rotating the rotatory bolt, realize the relative motion of clamp plate and lower clamp plate, make the clamping groove constantly narrow, place the installation department on the crawler frame and press from both sides tightly in the clamping groove, install fixedly to the H frame, reverse rotation rotatory bolt during the dismantlement, the clamping groove constantly increases the back, takes off the H frame from the crawler frame, realizes the free installation and the dismantlement of H frame, is convenient for change and overhaul the H frame.

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the accompanying drawings in which:

FIG. 1 is a schematic structural view of a rotary drilling rig H-frame for easy replacement and repair according to an embodiment of the present utility model;

FIG. 2 is a side view of a rotary drilling rig H-frame for easy replacement and service according to an embodiment of the present utility model;

FIG. 3 is a top view of a rotary drilling rig H-frame for easy replacement and service according to an embodiment of the present utility model;

fig. 4 is a schematic structural view of a clamping device in a H-frame of a rotary drilling rig for easy replacement and maintenance according to an embodiment of the present utility model.

In the figure:

1. an H frame body; 2. a rotary supporting seat; 3. an upper clamping plate; 4. rotating the bolt; 5. a lower clamping plate; 6. a support plate; 7. a first threaded hole; 8. a clamping groove; 9. a threaded hole II; 10. a positioning pin; 11. a limit bolt; 12. a limiting plate; 13. a rotating disc; 14. a stabilizing leg; 15. a buffer spring; 16. a rotation shaft; 17. anti-skid lines; 18. an outer surface thread; 19. a support column; 20. an upper seat ring.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a rotary drilling rig H frame convenient to change and overhaul, includes H frame body 1, and H frame body 1 top fixed mounting has circular shape gyration supporting seat 2, and gyration supporting seat 2 top fixedly connected with goes up seat ring 20, realizes the installation of rotary drilling rig on-vehicle gyration part. The clamping device is arranged on two sides of the H frame body 1, the clamping device comprises an upper clamping plate 3, rotary bolts 4 are arranged at two ends of the upper clamping plate 3, one end of each rotary bolt 4 is connected with the upper clamping plate 3, the other end of each rotary bolt is connected with a lower clamping plate 5, a threaded hole I7 is formed in the joint of the upper clamping plate 3 and the lower clamping plate 5 with the rotary bolts 4, threads 18 on the outer surface of each rotary bolt 4 are matched with threads in the threaded hole I7, a supporting plate 6 is fixedly connected to the lower portion of each lower clamping plate 5 at the tail end of each rotary bolt 4, and the lower clamping plate 5 is supported. A clamping groove 8 is formed between the upper clamping plate 3 and the lower clamping plate 5, the rotary bolt 4 is rotated, and the relative movement of the upper clamping plate 3 and the lower clamping plate 5 is realized through the mutual matching of the threads 18 on the outer surface of the rotary bolt 4 and the threaded holes 7, so that the clamping groove 8 is gradually reduced.

Referring to fig. 1-4, the upper clamping plate 3 is provided with a plurality of threaded holes two 9, and positioning pins 10 are installed in the threaded holes two 9, so that when the H-frame is installed, the positioning pins 10 further fix the objects clamped in the clamping grooves 8; the two ends of the upper clamping plate 3 and the lower clamping plate 5 are respectively provided with a limit bolt 11, the tail ends of the limit bolts 11 are fixedly provided with limit plates 12, after an object in the clamping groove 8 is clamped, the limit bolts 11 at the two ends of the upper clamping plate 3 and the lower clamping plate 5 are screwed, so that the limit plates 12 move towards the inside of the clamping groove 8, limit on the clamped object is realized, and the movement during working is prevented; a rotary disk 13 is fixedly arranged above the clamping plate 3 at one end of the rotary bolt 4, so that the rotary bolt 4 can be rotated more conveniently and more easily; a plurality of buffer springs 15 are fixedly arranged in the limiting groove, so that when the H frame is dismounted, the clamped object is more easily taken out from the clamping groove 8 by the elasticity of the buffer springs 15, and the H frame is convenient to dismount; a stable supporting leg 14 is arranged above one side of the H frame, the stable supporting leg 14 is rotatably connected with the H frame through a rotating shaft 16, and a supporting column 19 is fixedly arranged at the tail end of the stable supporting leg 14, so that the stable support of the H frame during the working of the rotary drilling rig after the installation of the H frame is realized; the surface of the lower clamping plate 5 in the clamping groove 8 is provided with anti-skid patterns 17, so that further anti-skid of the clamping object is realized.

Working principle: the method comprises the steps that an installation position on a crawler running frame of a rotary drilling rig is placed in a clamping groove 8 of an H frame, a rotary bolt 4 is rotated through a rotary disc 13, outer surface threads 18 on the rotary bolt 4 are matched with inner threads of a threaded hole I7, so that relative movement of an upper clamping plate 3 and a lower clamping plate 5 is achieved, the clamping groove 8 is not reduced, the installation position of the crawler running frame in the clamping groove 8 is clamped, a locating pin 10 above the upper clamping plate 3 is screwed to further clamp the clamping groove 8 after clamping, limit bolts 11 at two ends of the upper clamping plate 3 and the lower clamping plate 5 are screwed, clamping limit on two ends of the clamping groove 8 is achieved through movement of a limit plate 12 into the clamping groove 8, and the H frame is fixedly installed on the crawler running frame after clamping is completed; when the H frame needs to be disassembled or replaced, the rotary bolt 4 is reversely screwed to expand the clamping groove 8, so that the H frame can be disassembled and replaced.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (7)

1. The H frame of the rotary drilling rig is convenient to replace and overhaul and is characterized by comprising an H frame body (1), wherein a circular rotary supporting seat (2) is fixedly connected to the H frame body (1), an upper seat ring (20) is arranged above the rotary supporting seat (2), and clamping devices are arranged on two sides of the H frame body (1);

clamping device includes clamping plate (3), install rotatory bolt (4) on last clamping plate (3), it is equipped with down clamping plate (5) to go up clamping plate (3) below, rotatory bolt (4) one end is installed on last clamping plate (3), and the other end is installed on clamping plate (5) down, clamping plate (5) below fixedly connected with backup pad (6) under the one end of rotatory bolt (4), go up clamping plate (3) and lower clamping plate (5) with rotatory bolt (4) junction all opens threaded hole one (7), rotatory bolt (4) surface screw thread (18) with it cooperatees to open between threaded hole one (7) internal thread, it has clamping groove (8) to go up clamping plate (3) and clamping plate (5) down, it has threaded hole two (9) to go up clamping plate (3), install locating pin (10) in threaded hole two (9), it all is equipped with spacing bolt (11) to go up clamping plate (3) and clamping plate (5) both ends, terminal (12) fixed mounting spacing bolt.

2. The rotary drilling rig H-frame for easy replacement and maintenance according to claim 1, wherein: the rotary disk (13) is fixedly connected above the clamping plate (3) at one end of the rotary bolt (4).

3. The rotary drilling rig H-frame for easy replacement and maintenance according to claim 1, wherein: one side of the H frame body (1) is fixedly connected with a stabilizing support leg (14), and the tail end of the stabilizing support leg (14) is fixedly provided with a supporting column (19).

4. The rotary drilling rig H-frame for easy replacement and maintenance according to claim 1, wherein: and a buffer spring (15) is fixedly connected in the clamping groove (8).

5. The rotary drilling rig H-frame for easy replacement and maintenance according to claim 1, wherein: the threads of the threaded holes I (7) on the upper clamping plate (3) and the lower clamping plate (5) are opposite.

6. The rotary drilling rig H-frame for easy replacement and maintenance according to claim 3, wherein: the stabilizing support leg (14) is rotatably connected above the H frame body (1) through a rotating shaft (16).

7. The rotary drilling rig H-frame for easy replacement and maintenance according to claim 1, wherein: the surface of the lower clamping plate (5) is provided with anti-skid patterns (17).