Lifting frame with middle opening

Abstract

The utility model relates to the technical field of coal mine drilling machines, and discloses a lifting frame with a middle opening, which comprises a lifting frame body, the top end of the lifting frame body is provided with an opening, the opening of the lifting frame body is communicated with a first through hole, and a stand column is fixed on one side of a rotary table close to a drilling machine main machine. An oil cylinder is connected between the lifting frame body and the stand column, the oil cylinder is arranged in the lifting frame body, a notch is formed in the side, close to the lifting frame, of the drill rod box, the transfer manipulator clamps a drill rod in the drill rod box and transfers the drill rod to the first through hole, the drill rod is vertically downwards placed from the top end of the first through hole, and the end of the drill rod penetrates through an opening in the top end of the first through hole. And meanwhile, the transfer manipulator at the first through hole can move the drill rod towards the direction of the drilling machine main machine, then the drill rod is placed on the drilling machine main machine through the turnover manipulator, the drill rod is grabbed and transferred, and the purpose of reducing the length of the drilling machine is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to coal mine drilling rig technical field, concretely relates to the hoisting frame with middle opening. BACKGROUND

[0002] The coal mine drilling rig is a kind of drilling equipment for coal mining field, and is important equipment for guaranteeing coal mining safety and geological exploration.

[0003] The existing mine automatic drilling machine mostly adopts the drill rod conveying system of double mechanical hands combined with drill rod box, such as the coal mine drilling rig and control method disclosed in the Chinese patent for invention with the authorized announcement No.CN110952972B, the system increases the on-board drill rod storage capacity, can satisfy the continuous work of drilling machine for a long time.But, the drill rod transfer mechanism of prior art has more actions, and the process is complex, leading to low drilling rod conveying and overall construction efficiency;The relative position of main mechanical hand and drilling machine main machine, transfer device leads to that when conveying drill rod in large negative inclination condition, mechanical hand will interfere with tracked vehicle or transfer device, and drill rod cannot be conveyed automatically.

[0004] The Chinese utility model patent with the authorized announcement No.CN219299240U discloses drill rod adding and removing device and gallery drilling machine, including machine body, machine body is provided with drill rod conveying mechanism, mounting seat, drill rod adding and removing mechanism, drill rod conveying mechanism conveys drill rod to mounting seat, mounting seat includes swivel table installed on machine body and lifting frame slidingly connected on swivel table, lifting frame is provided with through hole, drilling machine main machine is installed on lifting frame, swivel table and lifting frame are used to drive drilling machine main machine to adjust position, drill rod is transported to drill rod adding and removing mechanism through through hole, then drill rod is rotated to coincide with drilling axis of rotary power mechanism through drill rod adding and removing mechanism, to realize the purpose that drill rod is perpendicular to drilling machine main machine conveying.But for drill rod conveying mechanism such as drill rod box and transfer mechanical hand, transfer mechanical hand needs to clamp, lift and remove drill rod in drill rod box, transfer mechanical hand moves drill rod to the top between mounting seat and side wall of drill rod box, and drill rod is lowered to through hole, then drill rod is driven to pass through through hole, machine body needs to be provided with interval between drill rod box and mounting seat enough for drill rod to be lowered, to avoid the side wall of drill rod box and lifting frame, so that the length of drilling machine is increased in design. UTILITY MODEL CONTENTS

[0005] The utility model intends to provide the lifting frame with middle opening to realize the purpose that the length of drilling machine is reduced.

[0006] To achieve the above object, the utility model adopts the following technical scheme: the lifting frame with middle opening, the lifting frame with middle opening, including lifting frame body, the lifting frame body is provided with first through hole, characterized by: the lifting frame body is provided with opening, and the opening of the lifting frame body is communicated with the first through hole.

[0007] The beneficial effects of the present scheme are: the transfer manipulator clamps the drill pipe in the drill pipe box, moves the drill pipe to the space between the lifting frame body and the drill pipe box, drives the drill pipe to pass through the opening of the lifting frame body to the first through hole, and places the end of the drill pipe in the first through hole; when the transfer manipulator transfers the drill pipe to the first through hole, the drill pipe can be moved outward in the length direction; compared with the prior art, the opening of the lifting frame body can align the drill pipe, and the drill pipe does not need to avoid the wall thickness of the lifting frame body and the drill pipe box, so that the length of the drilling machine can be reduced.

[0008] Further, the rotating table is rotatably installed on the machine body, a stand is fixed to one side of the rotating table close to the drilling machine main machine, the lifting frame body is slidingly connected to the stand, an oil cylinder is connected between the lifting frame body and the stand, and the oil cylinder is built in the lifting frame body.

[0009] Further, the machine body is provided with a drill pipe box, a notch is formed in the side of the drill pipe box close to the lifting frame, and the top end of the lifting frame is provided with an opening.

[0010] Further, the drilling machine main machine is rotatably connected to the side of the lifting frame body away from the drill pipe box.

[0011] The beneficial effects of the present scheme are: the lifting frame body vertically slides on the stand under the drive of the oil cylinder, and the lifting frame body drives the drilling machine main machine to slide up and down, so that the lifting frame body can drive the drilling machine main machine to adjust up and down.

[0012] Further, a first drive assembly is arranged between the rotating table and the machine body, the first drive assembly is used to drive the rotating table to rotate on the machine body, a second drive assembly is arranged between the lifting frame body and the machine body, and the second drive assembly is used to drive the drilling machine main machine to rotate in the vertical plane.

[0013] The beneficial effects of the present scheme are: the first drive assembly drives the rotating table to rotate on the machine body, the machine body drives the drill pipe box, the lifting frame body and the drilling machine main machine rotate together, and the second drive assembly drives the drilling machine main machine to rotate in the vertical plane on the lifting frame body, so that the lifting frame body can adjust the horizontal and vertical directions of the drilling machine main machine.

[0014] Further, the second drive assembly is provided with a second through hole, and the second through hole is in communication with the first through hole.

[0015] Further, a connecting plate is fixedly connected between the second drive assembly and the drilling machine main machine, a third through hole is formed in the connecting plate, and the third through hole is in communication with the second through hole.

[0016] The beneficial effects of the scheme are that the drill rod is driven to the first through hole under the clamping of the transfer manipulator, the transfer manipulator moves the drill rod outward in the direction of the drilling machine host, and the drill rod is rotated out of the second through hole and the third through hole through the external turnover manipulator, the sizes of the first through hole, the second through hole and the third through hole are much larger than the size of the drill rod, and the purpose of not interfering with the drill rod can be achieved.

[0017] Further, the lifting frame body comprises a sliding sleeve sleeved on the stand column, and further comprises a mounting cavity, and the oil cylinder is arranged in the mounting cavity, the cylinder body of the oil cylinder is fixedly connected with the stand column, and the piston end of the oil cylinder is fixedly connected with the sliding sleeve.

[0018] The beneficial effects of the scheme are that the base of the stand column is fixedly connected with the rotary table, and the cylinder body of the oil cylinder is fixedly connected with the base of the stand column, so that the purpose of fixing the cylinder body of the oil cylinder to the stand column can be achieved.

[0019] Further, the axial section of the stand column comprises a circle or a square.

[0020] Further, the first driving assembly and the second driving assembly are both arranged as worm gear slewing bearings, and the slewing bearings are provided with hydraulic motors.

[0021] The beneficial effects of the scheme are that the hydraulic motor inputs power from the worm, and outputs power from the worm gear and transmits the power to the drilling machine host, the drilling machine host has a large weight, the hydraulic motor is pressurized when the drilling machine host stops rotating, and the purpose of stably rotating the drilling machine host can be achieved. BRIEF DESCRIPTION OF DRAWINGS

[0022] Fig. 1 It is a whole structure schematic view of the embodiment of the utility model;

[0023] Fig. 2 It is a structure schematic view of the side close to the drilling machine host of the lifting frame body of the embodiment of the utility model;

[0024] Fig. 3 It is a structure schematic view of the side away from the drilling machine host of the lifting frame body of the embodiment of the utility model. DETAILED DESCRIPTION

[0025] The following is further described in detail through specific embodiments:

[0026] The reference signs in the drawings of the specification comprise:

[0027] The body 1, the rotary table 2, the drill rod box 21, the transfer manipulator 211, the stand column 22, the first driving assembly 23, the lifting frame body 3, the first through hole 31, the oil cylinder 32, the drilling machine host 33, the second driving assembly 34, the second through hole 341, the connecting plate 35, the third through hole 351, the sliding sleeve 36, the mounting cavity 37.

[0028] EMBODIMENT

[0029] Lifting frames with a central opening, such as Figs. 1-3 As shown, the system includes a lifting frame body 3 with an opening at its top, which communicates with a first through hole 31. The mounting base 21 includes a rotary table 2 and a lifting frame body 3 slidably connected to the rotary table 2. The rotary table 2 is rotatably connected to the machine body 2. Columns 22 are symmetrically connected to both sides of the rotary table 2 near the end of the drilling rig main unit 33. The circumferential cross-section of the columns 22 can be circular or square; in this embodiment, a circular cross-section is preferred. The base of the columns 22 is fixedly connected to the rotary table 2 by bolts. The rotary table 2 is slidably connected to the lifting frame body 3 via the columns 22. The lifting frame body 3 includes symmetrically arranged sliding sleeves 36 on both sides. The sliding sleeves 36 are fitted over the outer ring of the columns 22, and the inner cross-sectional shape of the sliding sleeves 36 is the same as that of the columns 22. The main body 3 has a first through hole 31 in the middle of the two side columns 22. The top of the lifting frame body 3 has an opening. The first through hole 31 is connected to the opening at the top of the lifting frame body 3. The lifting frame body 3 includes fixed plates symmetrically arranged on both sides. There is a gap between the two fixed plates. Both fixed plates are provided with through holes. Only the top of the fixed plate near the drill rod box is provided with an opening, and the top opening is connected to the through hole. The through holes of the two fixed plates form the first through hole 31. The sliding sleeve 36 is welded to both fixed plates. The top of the two fixed plates is welded through a plate. The fixed plate and the plate form an installation cavity. The installation cavity 37 is used to install the hydraulic cylinder 32. The cylinder body of the hydraulic cylinder 32 is fixedly connected to the base of the column 22. The piston end of the hydraulic cylinder 32 is fixedly connected to the sliding sleeve 36.

[0030] The first driving assembly 23 is connected between the rotary table 2 and the machine body 1, and the second driving assembly 34 is connected between the lifting frame body 3 and the drilling machine main machine 33. The first driving assembly 23 and the second driving assembly 34 are both worm and gear rotary supports. The function and connection mode of the two ends of the rotary support 14 are the same as those of the worm and gear rotary support mechanism disclosed in the Chinese Utility Model Patent with the authorization announcement number CN201908946U. The rotary support structure comprises an upper connecting body, a middle part with an external tooth rotary support and a worm drive, and a lower connecting body. The inner ring of the rotary support is fixedly connected with the upper connecting body, the outer ring of the external tooth rotary support is fixedly connected with the lower connecting body, and the worm drive is fixedly connected with the upper connecting body. The worm is in mesh with the external tooth, drives the outer ring of the rotary support to rotate, drives the outer ring of the rotary support to rotate relative to the inner ring, that is, the lower connecting body rotates relative to the upper connecting body, so as to realize the rotary motion of the lower connecting body relative to the upper connecting body. In the present scheme, the upper connecting body of the rotary support of the first driving assembly 23 is connected with the machine body 1, and the lower connecting body is connected with the rotary table 2, so as to realize the rotation of the rotary table 2. In the present scheme, the upper connecting body of the rotary support of the second driving assembly 34 is connected with the lifting frame body 3, and the lower connecting body is connected with the drilling machine main machine 33, so as to realize the rotation of the drilling machine main machine 33 in the vertical plane.

[0031] The second driving assembly 34 is provided with a second through hole 341 in the middle part, the second through hole 341 is communicated with the first through hole 31, the second driving assembly 34 is connected with the connecting plate 35 between the drilling machine main machine 33, the connecting plate 35 is provided with a third through hole 351, the third through hole 351 is communicated with the second through hole 341, the rotary table 2 is provided with a drill pipe box 21, the drill pipe box 21 is located on the side of the rotary table 2 away from the drilling machine main machine 33, a notch is vertically provided on the side wall of the drill pipe box 21 close to the rotary table 2, when the transfer manipulator 211 lowers the drill pipe, the end of the drill pipe away from the lifting frame can be lowered through the notch, and the other end of the drill pipe can be lowered through the top opening of the lifting frame body 3.

[0032] The working principle is as follows: the transfer manipulator 211 clamps the drill pipe in the drill pipe box 21 and transfers it to the first through hole 31, the end of the drill pipe away from the lifting frame is lowered through the notch of the drill pipe box, the other end of the drill pipe is lowered through the top opening of the lifting frame body 3, the end of the drill pipe is arranged in the opening at the top of the first through hole 31, and at the same time, the transfer manipulator 211 can move the drill pipe to the drilling machine main machine 33, and then the drill pipe is placed on the drilling machine main machine 33 through the drill pipe adding and removing mechanism, so as to realize the clamping and transfer of the drill pipe.

[0033] The above only is the embodiment of the present application, and the well-known specific technical solutions and / or common knowledge in the scheme are not described in detail. It should be pointed out that, for those skilled in the art, without departing from the technical solutions of the present application, a number of modifications and improvements can be made, which should also be considered as the protection scope of the present application, and these will not affect the effect and practicality of the present application. The protection scope claimed in the present application should be subject to the content of its claims, and the specific implementation mode and the like recorded in the specification can be used to explain the content of the claims.

Claims

1. A lifting frame having an intermediate opening, comprising a lifting frame body, the lifting frame body being provided with a first through hole, characterized in that: The lifting frame body is provided with an opening, and the opening of the lifting frame body is in communication with the first through hole.

2. The elevator with intermediate opening drill pipe handling system of claim 1, wherein: The rotary table is rotationally installed on the machine body, and a stand is fixed to one side of the rotary table close to the drilling machine main machine. The lifting frame body is slidingly connected to the stand, and an oil cylinder is connected between the lifting frame body and the stand, and the oil cylinder is built in the lifting frame body.

3. The drill pipe handling system of claim 2, wherein: The machine body is provided with a drill rod box, and a gap is formed in the side of the drill rod box close to the lifting frame. The opening of the lifting frame body is arranged at the top end.

4. The drill pipe handling system of claim 3, wherein: The drilling machine main machine is rotationally connected to the side of the lifting frame body away from the drill rod box.

5. The drill pipe handling system of claim 4, wherein: A first driving assembly is arranged between the rotary table and the machine body, and is used to drive the rotary table to rotate on the machine body. A second driving assembly is arranged between the lifting frame body and the machine body, and is used to drive the drilling machine main machine to rotate in a vertical plane.

6. The drill pipe handling system of claim 5, wherein: The second driving assembly is provided with a second through hole, and the second through hole is in communication with the first through hole.

7. The drill pipe handling system of claim 6, wherein: A connecting plate is fixedly connected between the second driving assembly and the drilling machine main machine, and a third through hole is formed in the connecting plate and is in communication with the second through hole.

8. The drill pipe delivery system of claim 7, wherein: The lifting frame body comprises a sliding sleeve and a mounting cavity. The oil cylinder is arranged in the mounting cavity. The cylinder body of the oil cylinder is fixedly connected to the stand, and the piston end of the oil cylinder is fixedly connected to the sliding sleeve.

9. The drill pipe delivery system of claim 8, wherein: The axial section of the stand comprises a circle or a square.

10. The drill pipe delivery system of claim 9, wherein: The first driving assembly and the second driving assembly are both arranged as worm gear type rotary supports, and a hydraulic motor is installed on the rotary support.

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