CN215245161U

CN215245161U - Device for lifting cab of development machine

Info

Publication number: CN215245161U
Application number: CN202121344618.1U
Authority: CN
Inventors: 程勇; 王浩琳; 刘佳军
Original assignee: Ningbo Jingyi Machinery Manufacturing Co ltd
Current assignee: Ningbo Jingyi Machinery Manufacturing Co ltd
Priority date: 2021-06-16
Filing date: 2021-06-16
Publication date: 2021-12-21
Anticipated expiration: 2031-06-16

Abstract

The utility model discloses a device for entry driving machine driver's cabin goes up and down, it includes mount, adjustable shelf and elevating system, the mount bottom is connected in the entry driving machine, the adjustable shelf passes through elevating system and installs in the mount with liftable, the entry driving machine driver's cabin is connected to the adjustable shelf, the adjustable shelf drives the entry driving machine driver's cabin and makes elevating movement for the mount. The utility model discloses realize that the driver's cabin freely goes up and down to widen entry driving machine the place ahead field of vision, saved at other auxiliary personnel, reduce the tunnelling potential safety hazard.

Description

Device for lifting cab of development machine

Technical Field

The utility model relates to a heading machine technical field specifically is a device that is used for entry driving machine driver's cabin to go up and down.

Background

The heading machine is large mechanical equipment for tunneling coal mines and non-coal mine tunnels, the operation method of the heading machine is that a driver completes control of the whole machine action in a cab, the cab of the heading machine is usually positioned at the left middle opening position of the heading machine body due to the restriction of roadway space and the influence of the structural member layout of the heading machine, and a common driver cannot directly observe the working condition of the front lower part of the right during operation.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: the device for lifting the cab of the heading machine is provided, so that the cab can be lifted freely, the front view of the heading machine is widened, auxiliary personnel beside the heading machine are saved, and the potential safety hazard of heading is reduced.

The utility model adopts the technical proposal that: the utility model provides a device for entry driving machine driver's cabin goes up and down, it includes mount, adjustable shelf and elevating system, the mount bottom is connected in the entry driving machine, the adjustable shelf passes through elevating system and installs in the mount with liftable, the entry driving machine driver's cabin is connected to the adjustable shelf, the adjustable shelf drives entry driving machine driver's cabin and makes elevating movement for the mount.

After the structure more than adopting, the utility model discloses a device for entry driving machine driver's cabin goes up and down compares with prior art and has following advantage: the movable frame is driven by the lifting mechanism to perform lifting action, the cab and the movable frame perform lifting motion along the fixed frame, the cab is jacked, the view field in the cab is enlarged, the height of the cab is adjusted according to different requirements of a driver, and the view field is adjusted, so that different operation requirements in a roadway are met.

Preferably, the lifting mechanism comprises a hydraulic cylinder and a moving pair, the bottom of the hydraulic cylinder is connected with a fixed frame, the piston end of the hydraulic cylinder is connected with a movable frame, the moving pair comprises a groove body and a moving block, the groove body is positioned on two sides of the fixed frame, one end of the moving block is fixed on the movable frame, and the other end of the moving block is in sliding connection with the groove body, so that the moving frame can stably do lifting motion along the fixed frame under the jacking of the hydraulic cylinder, and the lifting mechanism is particularly suitable for lifting of a heavy structure such as a cab of the excavator.

Preferably, the number of the sliding pairs is at least two, and the sliding pairs are uniformly distributed along the length direction of the fixed frame groove body, so that the sliding of the sliding pairs is more stable.

Preferably, the cab of the heading machine is connected to the movable frame through a connecting plate, one surface of the connecting plate is fixed on the movable frame, the other surface of the connecting plate is connected with the cab of the heading machine through a detachable positioning pin, the cab and the connecting plate form surface contact, the bearing capacity of the connecting plate is increased, and the connecting plate is prevented from deforming.

Preferably, the mount includes the backup pad and ends the position board, backup pad quantity is two and relative setting and is fixed in the entry driving machine, end the position board and fix to the backup pad on, end the position board and play the effect of ending when rising to the peak to the adjustable shelf, prevent that the adjustable shelf from being lifted to breaking away from the mount cell body by elevating system.

Preferably, a bottom plate is arranged between the supporting plate and the heading machine, one surface of the bottom plate is fixed to the heading machine, the other surface of the bottom plate is used for being connected with the bottom of the fixing frame, a reinforcing plate used for increasing the strength of a joint surface of the supporting plate and the bottom plate is arranged on the bottom plate, the reinforcing plate is connected to the supporting plate and the bottom plate through welding, the supporting plate can be firmly fixed to the heading machine through surface contact between the bottom plate and the heading machine, and the reinforcing plate is equivalent to a reinforcing rib and used for reinforcing connection between the supporting plate and the bottom plate.

Preferably, a limiting plate for reinforcing the supporting plate is arranged between the positions, close to the top, of the two supporting plates, and is used for reinforcing the supporting plates and preventing the supporting plates from deforming.

Preferably, the connecting plate both sides all are fixed in two backup pads, and connecting plate width size equals the distance size between two backup pads for when the connecting plate is fixed in between two backup pads, the border of connecting plate flushes with the outside of two backup pads, makes to form two liang of vertical structures between connecting plate and two backup pads, thereby makes the connecting plate firmly be fixed in the backup pad more, makes the connecting plate can bear bigger bearing capacity.

Preferably, the moving block is a rolling bearing, the inner ring of the rolling bearing is fixed to two sides of the movable frame, the outer ring of the rolling bearing capable of rolling is embedded in the groove body, the movable frame rolls through the rolling bearing and moves up and down along the groove body, the rolling bearing achieves the effect that the moving block is changed from east China friction to rolling friction, the moving frame can lift up and down more easily, abrasion is small, and the service life of the lifting mechanism is prolonged.

Drawings

Fig. 1 is a front sectional view of the structure of the present invention.

Fig. 2 is a side sectional view of the structure of the present invention.

Fig. 3 is an axial view of the present invention before lifting.

Fig. 4 is an axial view after the lifting of the present invention.

Fig. 5 is an overall structure view of the present invention including the cab.

Wherein, 1, fixing frame; 11. a support plate; 12. a stop plate; 2. a movable frame; 3. a lifting mechanism; 31. a hydraulic cylinder; 32. a sliding pair; 321. a trough body; 322. a moving block; 4. a heading machine cab; 5. a connecting plate; 6. a base plate; 7. a reinforcing plate; 8. and a limiting plate.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

The first embodiment is as follows: the utility model provides a device for entry driving machine driver's cabin goes up and down, as shown in fig. 5, it includes mount 1, adjustable shelf 2 and

elevating system

3, and 1 bottoms of mount are connected in the entry driving machine, and adjustable shelf 2 installs in mount 1 through elevating system 3 liftable ground, and entry driving machine driver's cabin 4 is connected to adjustable shelf 2, and adjustable shelf 2 drives entry driving machine driver's cabin 4 and makes elevating movement for mount 1.

The structure is as follows, as shown in fig. 1 and 2, the fixing frame 1 comprises two supporting plates 11, the two supporting plates 11 are oppositely arranged and fixed on the bottom plate 6, one side of the bottom plate 6 is fixed on the heading machine body through bolts, the other side of the bottom plate is used for fixing the bottom of the fixing frame 1, the bottom of the fixing frame 1 is usually connected with the bottom plate 6 through a welding mode, the heading machine cab 4 is connected with the movable frame 2 through a connecting plate 5, one side of the connecting plate 5 is fixed on the movable frame 2, the other side of the connecting plate is connected with the heading machine cab 4 through a detachable positioning pin, and the movable frame 2 drives the heading machine cab 4 to perform lifting motion through the connecting plate 5.

The lifting mechanism 3 comprises a hydraulic cylinder 31 and a moving pair 32, the bottom of the hydraulic cylinder 31 is connected with the fixed frame 1, of course, the bottom of the hydraulic cylinder 31 can also be connected on the bottom plate 6, the piston end of the hydraulic cylinder 31 is connected with the movable frame 2, the bottom plate 6 or the fixed frame 1 is provided with an ear plate, the ear plate is also arranged on the movable frame 2, the bottom of the hydraulic cylinder 31 is connected with the ear plate on the bottom plate 6 or the fixed frame 1 through a connecting pin, the same, the piston end part of the hydraulic cylinder 31 is connected with the ear plate on the movable frame 2 through the connecting pin, and the aim is that the connecting pin and the ear plate form a hinged connection mode, so that a certain buffering effect can be achieved on the reaction force formed when the hydraulic cylinder 31 does lifting motion, and the hydraulic cylinder 31 is prevented from hard collision and even broken. The sliding pair 32 includes a slot 321 and a moving block 322, the slot 321 is located at two sides of the fixed frame 1, one end of the moving block 322 is fixed on the movable frame 2, the other end of the moving block and the slot 321 form a sliding connection, so that the movable frame 2 moves up and down along the slot 321 along the moving block 322, at least two sliding pairs 32 are uniformly distributed in the slot 321 of the fixed frame 1, in this embodiment, the number of the sliding pairs 32 is four, as shown in fig. 1, two sliding pairs are distributed in two sides of the movable frame 2, and the sliding pairs 32 play an auxiliary moving role on the movable frame 2 when the piston of the hydraulic cylinder 31 drives the movable frame 2 to perform jacking motion.

Two backup pads 11 are close to and are equipped with the limiting plate 8 that is used for consolidating backup pad 11 between the top position, and in this embodiment, limiting plate 8 is trilateral loop configuration and cuff outside two backup pads 11 (backup pad 11 is except near that of driver's cabin 4), and limiting plate 8 is located 11 top positions of backup pad and is fixed in backup pad 11 through the bolt, and simple structure is firm reliable, especially adapted the many dust environment in tunnel.

As shown in fig. 4, the fixing frame 1 further includes two stop plates 12, the two stop plates 12 are respectively fixed to the two supporting plates 11, when the movable frame 2 rises to the highest point along the groove 321 of the supporting plates 11, the stop plates 12 just block the moving block 322, so as to prevent the moving block 322 from being separated from the groove 321, the stop plates 12 play a role in stopping the movable frame 2, and finally the movable frame 2 is prevented from being separated from the fixing frame 1.

Be equipped with the reinforcing plate 7 that is used for increasing

backup pad

11 and 6 faying face intensity of bottom plate on the bottom plate 6, reinforcing plate 7 is through welded connection to backup pad 11 and bottom plate 6, in this embodiment, reinforcing plate 7 is triangle-shaped, and two right-angle sides of triangle-shaped turn-ups weld respectively to backup pad 11 bottom and bottom plate 6, and driver's cabin 4 and reinforcing plate 7 are located elevating system 3 front and back respectively, keep whole device front and back balanced.

In addition, as shown in fig. 3, both sides of the connecting plate 5 are fixed on the two supporting plates 11, and the width of the connecting plate 5 is equal to the distance between the two supporting plates 11, that is, after the connecting plate 5 is fixed, the edge of the connecting plate 5 is flush with the outer sides of the two supporting plates 11, and the joint of the connecting plate 5 and the heading machine cab 4 is close to the edge of the connecting plate 5, so that a two-two vertical structure is formed between the connecting plate 5 and the two supporting plates 11, and the connecting plate 5 and the supporting plates 11 are firmer, therefore, the connecting plate 5 is supported by the heading machine cab 4 in the lifting process and is not easy to deform.

Example two: as shown in fig. 1, the moving block 322 in the moving pair 32 is a rolling bearing, a journal or a protrusion extends from a surface of the moving frame 2 located on the same side as the groove 321 of the fixed frame 1, an inner ring of the rolling bearing is tightly sleeved and fixed on the journal or the protrusion, and an outer ring of the rolling bearing is embedded in the groove 321 of the fixed frame 1 and forms relative rolling with the inner wall of the groove 321, so that the moving frame 2 can ascend and descend along the groove 321. The rest of the contents are the same as the first embodiment.

While the above is directed to the preferred embodiment of the present invention, it is not intended that it be limited, except as by the appended claims. The present invention is not limited to the above embodiments, and the specific structure thereof allows for changes, all the changes made within the protection scope of the independent claims of the present invention are within the protection scope of the present invention.

Claims

1. The utility model provides a device for entry driving machine driver's cabin goes up and down, it includes mount (1), adjustable shelf (2) and elevating system (3), its characterized in that, mount (1) bottom is connected in the entry driving machine, adjustable shelf (2) are installed in mount (1) through elevating system (3) liftable, entry driving machine driver's cabin (4) are connected in adjustable shelf (2), adjustable shelf (2) drive entry driving machine driver's cabin (4) do elevating movement for mount (1).

2. A device for raising and lowering a cab of a heading machine as claimed in claim 1, wherein: the lifting mechanism (3) comprises a hydraulic cylinder (31) and a moving pair (32), the bottom of the hydraulic cylinder (31) is connected with the fixed frame (1), the piston end of the hydraulic cylinder (31) is connected with the movable frame (2), the moving pair (32) comprises a groove body (321) and a moving block (322), the groove body (321) is located on two sides of the fixed frame (1), one end of the moving block (322) is fixed on the movable frame (2), and the other end of the moving block and the groove body (321) form sliding connection.

3. A device for raising and lowering a cab of a heading machine as claimed in claim 2, wherein: the number of the moving pairs (32) is at least two and the moving pairs are uniformly distributed along the length direction of the groove body (321) of the fixed frame (1).

4. A device for raising and lowering a cab of a heading machine as claimed in claim 1, wherein: the heading machine cab (4) is connected to the movable frame (2) through a connecting plate (5), one side of the connecting plate (5) is fixed on the movable frame (2), and the other side of the connecting plate is connected with the heading machine cab (4) through a detachable positioning pin.

5. A device for raising and lowering a cab of a heading machine as claimed in claim 1, wherein: the fixed frame (1) comprises two supporting plates (11) and a stop plate (12), the two supporting plates (11) are oppositely arranged and fixed on the heading machine, the stop plate (12) is fixed on the supporting plates (11), and the stop plate (12) is used for stopping when the movable frame (2) rises to the highest point.

6. A device for raising and lowering a cab of a heading machine as claimed in claim 5, wherein: be equipped with between backup pad (11) and the entry driving machine bottom plate (6), bottom plate (6) one side is fixed in the entry driving machine, and the another side is used for connecting mount (1) bottom, be equipped with on bottom plate (6) and be used for increasing backup pad (11) and bottom plate (6) faying face intensity reinforcing plate (7), reinforcing plate (7) are through welded connection to backup pad (11) and bottom plate (6).

7. A device for raising and lowering a cab of a heading machine as claimed in claim 5, wherein: a limiting plate (8) used for reinforcing the supporting plate (11) is arranged between the positions, close to the top, of the two supporting plates (11).

8. A device for raising and lowering a cab of a heading machine as claimed in claim 4, wherein: the two sides of the connecting plate (5) are fixed on the two supporting plates (11), and the width of the connecting plate (5) is equal to the distance between the two supporting plates (11).

9. A device for raising and lowering a cab of a heading machine as claimed in claim 2, wherein: the moving block (322) is a rolling bearing, the inner ring of the rolling bearing is fixed to two sides of the movable frame (2), and the outer ring of the rolling bearing capable of rolling is embedded in the groove body (321), so that the movable frame (2) rolls through the rolling bearing and moves up and down along the groove body (321).