CN218624126U

CN218624126U - Truck-mounted drilling rig hoist mechanism

Info

Publication number: CN218624126U
Application number: CN202222549568.1U
Authority: CN
Inventors: 陈社强; 凌云志; 王慧兵; 秦红平; 赵中英; 贾成志
Original assignee: Avic Lantian Equipment Manufacturing Co ltd
Current assignee: Avic Lantian Equipment Manufacturing Co ltd
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2023-03-14
Anticipated expiration: 2032-09-27

Abstract

The utility model provides a truck-mounted drilling rig hoist mechanism, includes rig support, lifting cylinder, assembly pulley, coaster and unit head, characterized by the coaster arrange rig support middle part position in, be provided with pulley upper block and pulley lower block on the coaster, the lifting cylinder lower extreme links to each other with the coaster, the top of rig support is connected to the other end, the pulley group include upper pulley group and lower pulley group, be provided with the wire rope of going upward and fix on rig support top around establishing upper pulley group and pulley upper block rear end, the other end links to each other with the unit head top, the rig support be L type structure, the lower pulley group sets up in the horizontal end of L type rig support, the wire rope of going downward is fixed in L type rig support vertical end lower part under the pulley group under establishing lower pulley group and the coaster, the other end links to each other bottom the unit head. The utility model discloses designing the rig support for L type structure, it is stable to set up landing leg structure operation more, arranges the design for slant structure with the pulley of upper pulley group and makes whole focus be close to rig support center, is favorable to overall stability.

Description

Truck-mounted drilling rig hoist mechanism

Technical Field

The utility model relates to a truck-mounted drilling rig device specifically is a truck-mounted drilling rig hoist mechanism who goes up and down is controlled the unit head by the steel cable system who sets up on the rig.

Background

In the prior art, a vehicle chassis is usually used as a drilling machine operation supporting platform, and the vehicle chassis is stabilized by hydraulic support legs during operation. The vehicle-mounted full-hydraulic multifunctional deep well drilling machine disclosed in the Chinese patent 102409973B is characterized in that hydraulic support legs are arranged at four corners of an automobile chassis and at the bottom of a mast, and are provided with mechanical locking devices, and when the drilling machine works, the purpose of supporting and leveling the drilling machine by using the hydraulic support legs is achieved by operating a hydraulic control handle. The 'digital multifunctional vehicle-mounted drilling and repairing machine' disclosed in the Chinese patent 109339702A is provided with a complex base assembly which is used as a vehicle-mounted drilling machine operation chassis. The device comprises a fixed mast and a sliding mast, wherein the top end of the sliding mast is provided with a crown block, a pulley is fixed on the crown block, a first steel wire rope bypasses the pulley to be connected with the upper part of a power head, and a second steel wire rope bypasses the other pulley to be connected with the lower part of the power head. The Chinese patent 201843509U discloses a power head quick lifting device and a vehicle-mounted drilling machine using the same, and the power head quick lifting device consists of a mast, a fixed pulley block and a steel wire rope. The mast comprises a fixed rod and a movable rod movably inserted in the fixed rod, a hydraulic cylinder is arranged in the fixed rod between the movable rod and the fixed rod, the movable rod can stretch and move in the fixed rod along the axis direction of the fixed rod, the upper end of the movable rod is provided with a fixed frame for mounting a fixed pulley block, two fixed pulleys are rotatably assembled on the fixed frame, the two fixed pulleys are respectively arranged on two radial sides of the mast through the fixed frame, a steel wire rope is arranged on the fixed pulley block, and one end of the steel wire rope is a movable end and is used for being connected with a power head; the other end is a fixed end fixed on the fixed rod.

Disclosure of Invention

To the problems existing in the prior art, the lifting mechanism of the truck-mounted drilling machine is designed, and the lifting mechanism is simple in structure, stable in operation and convenient to control.

The utility model discloses a truck-mounted drilling rig hoist mechanism, including rig support, hoisting cylinder, assembly pulley, coaster and unit head, characterized by the coaster arrange rig support middle part in, be provided with pulley upper sheave and coaster lower pulley on the coaster, the hoisting cylinder lower extreme links to each other with the coaster, other end fixed connection rig support's top, the assembly pulley include upper sheave group and lower pulley group, be provided with the last wire rope that goes upward that one end was fixed at rig support top, last wire rope go upward link to each other with the unit head top around establishing pulley upper sheave and upper sheave group back other end, the rig support be L type structure, the lower pulley group sets up in L type rig support's horizontal end, is provided with down wire rope, down wire rope one end fix and link to each other with the unit head bottom in L type rig support vertical end lower part and around establishing pulley lower pulley and lower pulley group back other end.

The lifting mechanism of the truck-mounted drilling machine is characterized in that a connection point of the uplink steel wire rope and the power head is positioned on a vertical axis of the power head.

The vehicle-mounted drilling machine lifting mechanism is characterized in that the upper pulley set comprises at least two pulleys, and an included angle phi between a central point connecting line of the head pulley and the tail pulley of the upper pulley set and a horizontal line is 30-45 degrees.

The vehicle-mounted drilling machine lifting mechanism is characterized in that two pulleys are arranged in the upper pulley group, and the included angle between the center connecting line of the two pulleys and the horizontal line is 30 degrees.

The utility model discloses a truck-mounted drilling rig hoist mechanism designs the rig support into L type structure, makes things convenient for power wire rope to arrange for the unit head moves smoothly from top to bottom, and the operation is more stable. The pulleys of the upper pulley set are arranged and designed to be of an oblique structure, so that the whole gravity center is close to the center of the drill tower support, and the whole stability of the drilling machine is facilitated.

Drawings

FIG. 1 is a schematic structural view of a truck-mounted drilling rig lift mechanism;

in the figure, 1-rig mast; 2-pulley; 3-lifting the oil cylinder; 4-an upper pulley set; 5-an ascending steel wire rope; 6-a portal frame; 7-a power head; 8-adjusting the bolt; 9-a downlink steel wire rope; 10-a lower pulley block; 11-a support lifting cylinder; 12-a hinged seat; 13-a vehicle body; 14-pulley upper sheave; 15-pulley lower pulley.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

Shown in the figure, the utility model discloses truck-mounted drilling rig hoist mechanism is fixed with articulated seat 12 including arranging the rig device on the 13 flat boards of automobile body in on the automobile body, and articulated hole around this articulated seat is provided with, and articulated hole is connected before 11 bases of lifting hydro-cylinder of rig support 1 and the articulated seat, and its flexible end is connected with rig support middle part hinge, and rig support lower part is connected with the rear portion hinge hole of articulated seat 12. The appearance of rig support 1 is L type structure (including the horizontal end in bottom and the vertical end of vertically), there is last pulley group 4 at the vertical end top of L type structure rig support, and the middle part is provided with coaster 2, has two longitudinal arrangement's pulley on this coaster 2, is pulley upper sheave 14 and pulley lower sheave 15 respectively, is provided with lift cylinder 3 between coaster 2 and last pulley group 4, the base of lift cylinder is fixed in under the rig support top plane, and last pulley group then lays on rig support top plane, lift cylinder's flexible end and coaster 2 fixed connection, and unit head 7 is located the horizontal end upper portion of L type rig support, and lower pulley group 10 sets up on the horizontal end support body of rig support. One end of an ascending steel wire rope 5 is fixed on the upper part of the power head 7, and the fixed point of the ascending steel wire rope is superposed with the longitudinal axis of the power head. The other end of the upward steel wire rope is fixed at the top of the vertical end of the drill tower bracket after the upper pulley group 5 and the pulley upper pulley 14 are wound. One end of a descending steel wire rope 9 is fixed at the bottom of the power head, and the rear end of the descending steel wire rope is wound on a lower pulley block 10 and a pulley lower pulley 15 and is fixed on a steel wire rope fixing seat at the lower part of the drill tower bracket. In order to shift the center of gravity of the whole drilling tower device inwards, the pulleys of the upper pulley set are arranged into an oblique structure, two pulleys or a plurality of pulleys can be arranged on the upper pulley set, usually two pulleys are arranged, wherein the included angle phi between the central connecting line of the head pulley and the tail pulley and the horizontal line is 30-45 degrees, the optimal setting is 30-35 degrees, and the setting of the embodiment is 30 degrees.

Normally, the entire derrick mast is placed on the bed of the car body 13 in a horizontal or recumbent manner. When the support lifting oil cylinder is in work, the support lifting oil cylinder 11 is filled with oil, and the piston end of the oil cylinder extends out to jack the drill tower support to be in an upright state. The support legs at the bottom of the drilling tower support extend out and stably stand. The adjusting bolt 8 adjusts the upper steel wire rope 5 and the lower steel wire rope 9 to stretch straight. The power head 7 is arranged at the center of the portal frame 6. The lifting oil cylinder 3 is filled with oil, the piston end extends out, the pulley 2 moves downwards, the upward steel wire rope 5 and the power head 7 are pulled to move upwards, and the downward steel wire rope passively runs. And the power head ascends to a preset position to start operation. After the operation is finished, the piston end of the lifting oil cylinder 3 contracts, the pulley 2 moves upwards to drive the descending steel wire rope to operate and the power head 7 to descend to the initial position, the piston end of the lifting oil cylinder resets, and the ascending steel wire rope operates in a follow-up mode.

And then the support lifts the oil cylinder to discharge oil, and the drilling tower device resets.

Claims

1. The utility model provides a truck-mounted drilling rig hoist mechanism, includes rig support (1), hoisting cylinder (3), assembly pulley (4, 10), coaster (2) and unit head (7), characterized by the coaster arrange rig support middle part in, be provided with coaster upper sheave (14) and coaster lower sheave (15) on the coaster, hoisting cylinder (3) lower extreme links to each other with the coaster, the top of other end fixed connection rig support, the assembly pulley include upper sheave group (4) and lower sheave group (10), be provided with one end and fix going up wire rope (5) at rig support top, the last wire rope link to each other with unit head (7) top around establishing coaster upper sheave and upper sheave group rear end other end, the rig support be L type structure, set up in L type rig support's horizontal end down in wheelset up down wire rope (9), down wire rope one end fix in L type rig support vertical end lower part and around establishing behind coaster lower sheave (15) and lower sheave group (10) the other end and link to each other end and unit head (7) bottom.

2. A truck-mounted drill lifting mechanism according to claim 1, characterized in that the connection point of the uplink wire rope (5) and the power head (7) is located on the vertical axis of the power head.

3. The truck-mounted drilling rig lifting mechanism according to claim 1 or 2, characterized in that the upper pulley set comprises at least two pulleys, and an included angle phi between a central point connecting line of the two pulleys at the head and the tail of the upper pulley set and a horizontal line is 30-45 degrees.

4. The truck-mounted drilling rig lifting mechanism according to claim 3, wherein two pulleys are arranged in the upper pulley set, and an included angle between a central connecting line of the two pulleys and a horizontal line is 30 degrees.