CN217080470U

CN217080470U - Rotary supporting device for drilling machine cab

Info

Publication number: CN217080470U
Application number: CN202220791512.4U
Authority: CN
Inventors: 董志伟; 安战军
Original assignee: Wuxi Drillto Trenchless Co ltd
Current assignee: Wuxi Drillto Trenchless Co ltd
Priority date: 2022-04-07
Filing date: 2022-04-07
Publication date: 2022-07-29
Anticipated expiration: 2032-04-07

Abstract

The utility model relates to a rotary supporting device of a drill cab, which comprises an upper fixing frame, an upper connecting disc, a lower fixing frame, a rotary oil cylinder and a bottom frame; the upper fixing frame is connected with the bottom end of the cab, the upper connecting disc is detachably connected with the upper fixing frame through a screw, the lower connecting disc is detachably connected with the lower fixing frame through a screw, and the lower fixing frame is positioned on the bottom frame; the upper connecting disc is rotatably connected with the lower connecting disc; the cylinder body of the rotary oil cylinder is hinged with an oil cylinder support on the underframe, and a piston rod of the rotary oil cylinder is hinged with an oil cylinder pin shaft on the side face of the upper connecting disc. The utility model relates to a rotatory strutting arrangement of rig driver's cabin passes through the oil cylinder drive connection pad rotation, can realize the arbitrary angular rotation and the accurate location between 0-90 of driver's cabin, improves operating personnel's operation field of vision and operation travelling comfort, ensures the stationarity of rotatory in-process, reduction in production cost.

Description

Rotary supporting device for drill cab

Technical Field

The utility model relates to a non-excavation rig equipment field, concretely relates to rig driver's cabin rotation support device.

Background

With the continuous development and progress of social science and technology, the strong advocation of environmental governance, the proposal of environmental protection slogan, and the upsidedown of environmental and disaster governance projects, the trenchless industry is also growing rapidly, and the application of the trenchless pipe-laying drilling machine is popularized and popularized vigorously.

Because of the continuous aggravation of the aging of social labor force, fewer construction workers at a construction site and higher requirements on working environment, the requirements on the comfort level and the humanization of machine operation are also higher.

At present, the drilling machines of various large manufacturers are equipped with cabs to improve the comfort and the wider operation visual field for operators.

Since the operation visual field of each person and the operation blind area of each different model are also different, improvement is required for this problem. The existing method is as follows: the driving of the motor and the speed reducer is adopted to realize the rotation of the cab within a specific angle range. However, this solution has drawbacks: the stability of transmission is poor, the precision of the rotating angle is poor, and simultaneously the cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at:

the rotary supporting device for the drill cab is developed, the connecting disc is driven to rotate by the oil cylinder, the rotation of any angle between 0 and 90 degrees of the cab can be realized, the accurate positioning can be realized, the operation visual field and the operation comfort of operators are improved, the stability in the rotating process is ensured, and the production cost is reduced.

In order to achieve the above object, the present invention provides the following technical solutions:

a rotary supporting device for a drill cab comprises an upper fixing frame, an upper connecting disc, a lower fixing frame, a rotary oil cylinder and a bottom frame; the upper fixing frame is connected with the bottom end of the cab, the upper connecting disc is detachably connected with the upper fixing frame through a screw, the lower connecting disc is detachably connected with the lower fixing frame through a screw, and the lower fixing frame is positioned on the bottom frame; the upper connecting disc is rotatably connected with the lower connecting disc; the cylinder body of the rotary oil cylinder is hinged with an oil cylinder support on the underframe, and a piston rod of the rotary oil cylinder is hinged with an oil cylinder pin shaft on the side face of the upper connecting disc.

Furthermore, the upper connecting disc comprises an upper connecting flange, a guide seat and an ear plate; the upper connecting flange is detachably connected with the upper fixing frame through screws, and the guide seat is coaxially connected with the upper connecting flange.

Furthermore, the bottom end face of the guide seat is provided with an annular rail, and the annular rail is annular and the cross section of the annular rail is groove-shaped.

Furthermore, the bottom of the guide seat is also provided with a limiting gland, the limiting gland is detachably connected with the guide seat through a screw, and the limiting gland is clamped with the inner wall surface of the lower connecting plate.

Furthermore, the lower connecting disc comprises a lower connecting flange and a fixed seat, a cylindrical groove is formed in the top end face of the fixed seat, and the cylindrical groove is arranged in a circumferential array mode relative to the circle center of the fixed seat.

Further, the annular track corresponds to the upper position and the lower position of the cylindrical groove; and a cylindrical pin is arranged in the cylindrical groove.

Furthermore, the lug plate is positioned on the outer side of the upper connecting flange, and the oil cylinder pin shaft is connected with the lug plate; and joint bearings are arranged at the tail end of the cylinder body of the rotary oil cylinder and the tail end of the piston rod.

The utility model has the advantages that: the utility model provides a rig driver's cabin rotation support device, combine the upper connection pad, lower connection pad, spacing gland, the cylindric lock, the comprehensive collocation of rotatory hydro-cylinder, it is rotatory for lower connection pad to drive upper connection pad through rotatory hydro-cylinder, can realize arbitrary angular rotation and accurate location between 0-90 of driver's cabin, improve operating personnel's operation field of vision and operation travelling comfort, the cylindric lock that the upper connection pad passes through circumference array and lower connection pad swivelling joint, the swivelling guide can be realized with cylindrical groove to ring rail, thereby ensure the stationarity of rotatory in-process, and compare in prior art reduction in production cost.

Drawings

Fig. 1 is the three-dimensional structure diagram of the rotary supporting device of the drill cab of the utility model.

Fig. 2 is a three-dimensional plan view of the rotary supporting device of the drill cab of the present invention.

Fig. 3 is a schematic view of the lower structure of the rotary supporting device of the drill cab of the present invention.

Fig. 4 is a partial structural schematic diagram of the structure shown in fig. 3.

Fig. 5 is the utility model discloses a rig driver's cabin rotation support device's upper connection pad bottom visual angle schematic diagram.

Fig. 6 is a combined state cross-sectional view of the upper connection disc and the lower connection disc of the rotary supporting device of the drill cab of the utility model.

In the figure:

1. an upper fixing frame; 2. an upper connecting disc; 21. an upper connecting flange; 22. a guide seat; 23. an ear plate; 3. a lower connecting disc; 31. a lower connecting flange; 32. a fixed seat; 4. a lower fixing frame; 5. a limiting gland bush; 6. a cylindrical pin; 7. an oil cylinder pin shaft; 8. rotating the oil cylinder; 9. an oil cylinder support; 10. a cab; 11. a chassis.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the present invention will be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1 to 6, a rotary supporting device for a drill cab comprises an upper fixing frame 1, an upper connecting disc 2, a lower connecting disc 3, a lower fixing frame 4, a limiting gland 5, a cylindrical pin 6, an oil cylinder pin shaft 7, a rotary oil cylinder 8, an oil cylinder support 9, a cab 10 and a chassis 11; the upper fixing frame 1 is a flat tube assembly weldment frame, the upper side of the frame is welded with a bottom frame of the cab 10, and the lower side of the frame is welded with a threaded hole fixing plate and is connected with the upper connecting disc 2 through screws;

the upper connecting disc 2 is formed by integrally processing an upper connecting flange 21, a guide seat 22 and an ear plate 23 after welding, the upper connecting flange 21 is fixed with the connecting disc of the upper fixing frame 1 by using screws, the guide seat 22 is used for matching with the lower connecting disc 3, an annular track is processed in the guide seat 22, and quenching and grinding are needed, so that the surface hardness and the smoothness of the annular track are improved;

a group of threaded holes are processed on the end face of the smallest excircle of the guide seat 22 and used for fixing the limiting gland 5, the lug plate 23 is used for connecting the oil cylinder pin shaft 7, three oil cup filling ports are processed on the excircle of the guide seat 22 and can provide lubricating grease for the inner side of the circular track, so that the transmission is more stable;

the lower connecting disc 3 is formed by integrally processing a lower connecting flange 31 and a fixed seat 32 after welding, the lower connecting flange 31 is used for being fixed with a connecting disc screw on the lower fixed frame 4, and a cylindrical groove is processed at the end face of the fixed seat 32 and used for placing the cylindrical pin 6 to play a role of a retainer;

the lower fixing frame 4 is formed by welding flat pipes together, is integrally welded on a crossbeam of the machine underframe 11, and is welded with a threaded hole fixing flange plate on the upper plane side of the lower fixing frame 4 for fixing with a lower connecting disc 3 through screws; the limiting gland 5 is fixed with the upper connecting disc 2 through a screw, and the excircle step of the limiting gland 5 is clamped at the seam allowance on the inner wall of the lower connecting disc 3, so that the cylindrical pin 6 is prevented from falling off due to the separation of the upper connecting disc 2 and the lower connecting disc 3;

the cylindrical pin 6 is a roller in a cylindrical roller bearing, and the bearing steel has high hardness, large bearing capacity, high surface finish and small kinetic friction;

the oil cylinder pin 7 is used for respectively connecting earrings of a rod cavity and a rodless cavity of the rotary oil cylinder 8 with the upper connecting disc 2 and the oil cylinder support 9; the rotary oil cylinder 8 is a single-lug ring structure on two sides, joint bearings are designed on the two lug rings, and eccentric load can be overcome in the movement process;

the oil cylinder support 9 is welded and fixed on a girder of a machine underframe 11 and provides a fixed support for the rotary oil cylinder 8; the cab 10 is a wide-view cab, is internally provided with a cooling and heating air conditioner and an operation instrument, is an operation control room of the drilling machine, can rotate within 0-90 degrees, freely positions an operation view angle according to the angle of a construction machine and the operation habit of constructors, provides a wider operation view for operating constructors, ensures more comfortable operation and stable rotation, reduces the operation fatigue of the constructors, saves the processing cost, and increases the bearing capacity and stability.

The above examples are provided for further illustration of the present invention, but do not limit the present invention to these specific embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be understood as being within the protection scope of the present invention.

Claims

1. The utility model provides a rig cab rotation support device which characterized in that: comprises an upper fixing frame (1), an upper connecting disc (2), a lower connecting disc (3), a lower fixing frame (4), a rotary oil cylinder (8) and an underframe (11); the upper fixing frame (1) is connected with the bottom end of a cab (10), the upper connecting disc (2) is detachably connected with the upper fixing frame (1) through a screw, the lower connecting disc (3) is detachably connected with the lower fixing frame (4) through a screw, and the lower fixing frame (4) is positioned on the bottom frame (11); the upper connecting disc (2) is rotatably connected with the lower connecting disc (3); the cylinder body of the rotary oil cylinder (8) is hinged with an oil cylinder support (9) on the bottom frame (11), and the piston rod of the rotary oil cylinder (8) is hinged with an oil cylinder pin shaft (7) on the side surface of the upper connecting disc (2).

2. The drill cab rotation support device of claim 1, wherein: the upper connecting disc (2) comprises an upper connecting flange (21), a guide seat (22) and an ear plate (23); go up flange (21) and go up mount (1) and pass through the detachable connection of screw, leading positive seat (22) and last flange (21) coaxial coupling.

3. The drill cab rotation support device of claim 2, wherein: the bottom end face of the guide seat (22) is provided with an annular rail, and the annular rail is annular and the cross section of the annular rail is groove-shaped.

4. A drill cab rotation support arrangement according to claim 3, wherein: the bottom of leading positive seat (22) still is provided with spacing gland (5), spacing gland (5) pass through the screw and lead positive seat (22) detachable connection, spacing gland (5) and lower connection pad (3) internal face looks block.

5. The drill cab rotation support device of claim 4, wherein: lower connection pad (3) are including flange (31) and fixing base (32) down, the top end face of fixing base (32) is provided with cylindrical groove, cylindrical groove is the setting of circumference array form for the centre of a circle of fixing base (32).

6. The drill cab rotation support device of claim 5, wherein: the annular track corresponds to the upper position and the lower position of the cylindrical groove; and a cylindrical pin (6) is arranged in the cylindrical groove.

7. The drill cab rotation support device according to claim 6, wherein: the lug plate (23) is positioned on the outer side of the upper connecting flange (21), and the oil cylinder pin shaft (7) is connected with the lug plate (23); and joint bearings are arranged at the tail end of the cylinder body of the rotary oil cylinder (8) and the tail end of the piston rod.