CN220203807U - Rotary table supporting structure of rotary drilling rig - Google Patents

Abstract

The utility model discloses a rotary drilling rig turntable supporting structure, which belongs to the technical field of piling machinery, and comprises a front supporting device and a rear supporting device, wherein the front supporting device comprises two mounting columns, a buffer plate is arranged above the mounting columns, the rear supporting device comprises a supporting column, a guiding mechanism and a limiting mechanism, a driving mechanism is arranged on the supporting column, the guiding mechanisms are arranged on two sides of the driving mechanism, the limiting mechanism is fixedly connected above the driving mechanism, the two mounting columns and the rear supporting device form three-point support to ensure the stability of the support, sliding plates which are in sliding connection on two sides of the mounting plates are utilized in the limiting mechanism, the rear end of a turntable is fixed by adjusting the distance between the two limiting plates, the turntable can be effectively limited to transversely displace in the assembling process of the turntable and a slewing bearing, and the problem of unstable turntable support when the slewing bearing and the turntable are assembled by the rotary drilling rig is solved.

Description

Rotary table supporting structure of rotary drilling rig

Technical Field

The utility model belongs to the technical field of piling machinery, and particularly relates to a rotary table supporting structure of a rotary drilling rig.

Background

The rotary drilling rig is a comprehensive drilling rig, can utilize a short spiral drill bit to carry out dry drilling operation, can carry out wet drilling operation under the condition of slurry wall protection, and can carry out hole digging operation after being matched with a hammer to drill hard stratum; if matched with the enlarged footing drilling tool, the reaming operation can be carried out at the bottom of the hole, and the reaming tool is widely applied to foundation construction of urban construction and is relatively common engineering mechanical equipment.

In the assembly process of the rotary drilling rig, the rotary drilling rig is divided into a vehicle body, a slewing bearing and a turntable, when the rotary drilling rig needs to be assembled with the slewing bearing and the turntable, the turntable is often required to be supported in the assembly process due to the heavier turntable, so that an operator can conveniently install and overhaul the turntable, and in the installation and overhaul process of the slewing bearing and the turntable at the present stage, the problem that the turntable is unstable in support when the slewing bearing and the turntable are assembled with the rotary drilling rig exists.

Disclosure of Invention

The utility model aims to provide a rotary table supporting structure of a rotary drilling rig, which solves the problem of unstable support when the rotary drilling rig is assembled with a slewing bearing and a rotary table in the prior art.

The utility model provides a rotary drilling rig turntable supporting structure, which comprises two mounting columns, wherein buffer plates are arranged above the two mounting columns, and one end of a turntable is placed on each buffer plate;

the rear supporting device comprises a supporting column, a guiding mechanism and a limiting mechanism, wherein a driving mechanism is arranged in the supporting column, the guiding mechanisms are arranged on two sides of the driving mechanism and fixedly connected to the supporting column, a supporting plate is fixedly connected above the driving mechanism, and a limiting mechanism is fixedly connected above the supporting plate; the revolving stage is placed in stop gear's top.

Further, the driving mechanism comprises a jacking oil cylinder, a supporting plate is fixedly connected to the telescopic end of the jacking oil cylinder, a pressure sensor is fixedly connected to the upper portion of the supporting plate, and a limiting mechanism is fixedly connected to the upper portion of the pressure sensor.

Further, guiding mechanism includes a plurality of spacing telescopic link, a plurality of spacing telescopic link fixed connection is on the support column, spacing telescopic link flexible end all is fixed with the backup pad.

Further, stop gear includes mounting panel, slide and limiting plate, mounting panel fixed connection is on pressure sensor, slide sliding connection is in the mounting panel both sides, all fixedly connected with limiting plate on the slide.

Further, a plurality of reinforcing ribs are arranged at the joint of the limiting plate and the sliding plate at equal intervals.

Further, polyurethane blocks are arranged on the limiting plates.

Further, a plurality of buffer springs are arranged in the buffer plate.

Compared with the prior art, the utility model has the beneficial effects that:

can effectively jack-up rotary drilling rig revolving stage through preceding strutting arrangement and back strutting arrangement, guarantee the stability of revolving stage and slewing bearing installation, actuating mechanism is used for adjusting the height of revolving stage, and top stop gear can effectually restrict revolving stage and slewing bearing, transversely takes place the displacement in the assembly process, improves the security, and two erection columns and back strutting arrangement form the three-point support, further guarantees the stability of support, when guaranteeing rotary drilling rig assembly slewing bearing and revolving stage, the revolving stage supports stably.

Drawings

The present utility model is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of a rotary drilling rig turret support structure;

FIG. 2 is a schematic diagram of a front cross-sectional structure according to an embodiment of the present utility model;

fig. 3 is a schematic top view of an embodiment of the present utility model.

In the figure: 1. a front support device; 11. a mounting column; 12. a buffer steel plate; 121. a buffer spring; 2. a rear support device; 21. a driving mechanism; 211. jacking the oil cylinder; 212. a support plate; 213. a pressure sensor; 22. a guide mechanism; 221. a limiting telescopic rod; 23. a limiting mechanism; 231. a mounting plate; 232. a slide plate; 233. a limiting plate; 234. reinforcing ribs; 235. a polyurethane block; 24. a support column; 3. a turntable.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the particular embodiments described herein are illustrative only and are not intended to limit the utility model, i.e., the embodiments described are merely some, but not all, of the embodiments of the utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present utility model.

Referring to fig. 1-3, in an embodiment of the present utility model, a rotary drilling rig turntable support structure includes a front support device 1, a rear support device 2, and a turntable 3, where the front support device 1 includes two mounting columns 11, and buffer steel plates 12 are disposed above the two mounting columns 11 and are used for supporting the front end of the turntable 3; the rear supporting device 2 comprises a supporting column 24, a guide mechanism 22 and a limiting mechanism 23, wherein a driving mechanism 21 is arranged in the supporting column 24, the guide mechanisms 22 are arranged on two sides of the driving mechanism 21, the guide mechanisms 22 are fixedly connected to the supporting column 24, the limiting mechanism 23 is fixedly connected to the upper portion of the driving mechanism 21, two mounting columns 11 and the rear supporting device 2 form three-point support to ensure the stability of the support, the driving mechanism 21 is used for lifting the vertical position of a mounting plate 231 in the limiting mechanism 23, the height of the rear end of the turntable 3 is further adjusted, the adjustment of the mounting height of the assembly slewing bearing and the turntable 3 is realized, the sliding plates 232 which are slidably connected to two sides of the mounting plate 231 are utilized in the limiting mechanism 23, the rear end of the turntable 3 is fixed by adjusting the distance between the two limiting plates 233, the turntable 3 can be effectively limited in the assembly process with the slewing bearing, the turntable 3 is transversely displaced, and the guiding mechanism 22 is used for limiting the lifting process of the driving mechanism 21 to be more stable.

Referring to fig. 2, the driving mechanism 21 shown in fig. 1, 2 and 3 includes a lifting cylinder 211, a supporting plate 212 is fixedly connected to a telescopic end of the lifting cylinder 211, a pressure sensor 213 is disposed between the limiting mechanism 23 and the supporting plate 212, and one end of the pressure sensor 213 is fixedly connected to an upper portion of the supporting plate 212, and is used for sensing and measuring the weight of the turntable 3, determining the thrust of the lifting cylinder 211, and facilitating an operator to lift the turntable 3 body.

Referring to fig. 1 and 2, the guiding mechanism 22 includes a plurality of limiting telescopic rods 221, the plurality of limiting telescopic rods 221 are fixedly connected to the supporting columns 24, the supporting plates 212 are fixed to the telescopic ends of the plurality of limiting telescopic rods 221, and the telescopic ends of the plurality of limiting telescopic rods 221 are fixedly connected to the supporting plates 212 for lifting the oil cylinders 211 upwards, so that the lifting process is more stable.

Referring to fig. 1 and 3, the limiting mechanism 23 includes a mounting plate 231, a sliding plate 232 and a limiting plate 233, wherein the mounting plate 231 is fixedly connected to the pressure sensor 213, the sliding plate 232 is slidably connected to two sides of the mounting plate 231, the limiting plates 233 are fixedly connected to the sliding plates 232 on two sides, the sliding plate 232 is slidably connected to the mounting plate 231, and the upper limiting plate 233 is driven to limit and fix the turntable 3.

Further, referring to fig. 1 and 3, as shown in fig. 1 and 3, a plurality of reinforcing ribs 234 are disposed at the connection between the upper portion of the limiting plate 233 and the sliding plate 232 to strengthen the bearing capacity of the limiting plates 233 on both sides.

Specifically, the contact surface of the limiting plate 233 and the turntable 3 is provided with a polyurethane block 235, the polyurethane block 235 is made of polyurethane materials, and impact force generated by the limiting plate 233 and the turntable 3 in the clamping process is avoided, so that the paint surface of the turntable 3 is damaged.

Specifically, referring to fig. 1 and 2, a plurality of buffer springs 121 are equidistantly disposed inside the buffer plate 12, and in the process of hoisting the turntable 3 by a crane, the rear end of the turntable 3 is prevented from impacting the mounting column 11, and the plurality of buffer springs 121 play a certain role in buffering.

The foregoing is merely illustrative of the structures of this utility model and various modifications, additions and substitutions for those skilled in the art can be made to the described embodiments without departing from the scope of the utility model or from the scope of the utility model as defined in the accompanying claims.

Claims (7)

1. A rotary drilling rig turret support structure, comprising:

the front supporting device (1) comprises two mounting columns (11), buffer plates (12) are arranged above the two mounting columns (11), and one end of the turntable (3) is placed on each buffer plate (12);

the rear supporting device (2) comprises a supporting column (24), a guiding mechanism (22) and a limiting mechanism (23), wherein a driving mechanism (21) is arranged in the supporting column (24), the guiding mechanisms (22) are arranged on two sides of the driving mechanism (21), the guiding mechanism (22) is fixedly connected to the supporting column (24), a supporting plate (212) is fixedly connected to the upper side of the driving mechanism (21), and the limiting mechanism (23) is fixedly connected to the upper side of the supporting plate (212);

the rotary table (3) is arranged above the limiting mechanism (23).

2. The rotary drilling rig rotary table supporting structure according to claim 1, wherein the driving mechanism (21) comprises a jacking cylinder (211), a supporting plate (212) is fixedly connected to a telescopic end of the jacking cylinder (211), a pressure sensor (213) is fixedly connected to the upper portion of the supporting plate (212), and a limiting mechanism (23) is fixedly connected to the upper portion of the pressure sensor (213).

3. The rotary drilling rig rotary table supporting structure according to claim 2, wherein the guiding mechanism (22) comprises a plurality of limiting telescopic rods (221), the limiting telescopic rods (221) are fixedly connected to the supporting columns (24), and supporting plates (212) are fixed at telescopic ends of the limiting telescopic rods (221).

4. The rotary drilling rig rotary table supporting structure according to claim 2, wherein the limiting mechanism (23) comprises a mounting plate (231), a sliding plate (232) and limiting plates (233), the mounting plate (231) is fixedly connected to the pressure sensor (213), the sliding plate (232) is slidably connected to two sides of the mounting plate (231), and the limiting plates (233) are fixedly connected to the sliding plate (232).

5. The rotary drilling rig turret support structure according to claim 4, wherein a plurality of reinforcing ribs (234) are provided at equal distances from the connection of the limiting plate (233) and the slide plate (232).

6. The rotary drilling rig turret support structure according to claim 4, wherein the limiting plate (233) is further provided with polyurethane blocks (235).

7. The rotary drilling rig turntable supporting structure according to claim 1, wherein a plurality of buffer springs (121) are arranged in the buffer plate (12), and the buffer plate (12) is made of carbon alloy steel.