CN216429612U

CN216429612U - Cantilever excavator with auxiliary hoisting tool

Info

Publication number: CN216429612U
Application number: CN202122415156.4U
Authority: CN
Inventors: 曾英先; 吴恒和; 武巧焕
Original assignee: Chcb Guangxi Hydroelectric Construction Bureau Co ltd
Current assignee: Chcb Guangxi Hydroelectric Construction Bureau Co ltd
Priority date: 2021-10-08
Filing date: 2021-10-08
Publication date: 2022-05-03
Anticipated expiration: 2031-10-08

Abstract

The utility model provides a cantilever entry driving machine with supplementary lifting device is equipped with the rotation seat on the entry driving machine, is equipped with the cutting arm on the rotation seat, and the cutting arm tip is equipped with the cutterhead, is equipped with the davit on the entry driving machine organism, and the davit includes main arm and rotor arm, and the main arm tip is articulated with the rotor arm, and the rotor arm tip articulates there is flexible arm, flexible arm tip is equipped with the lifting hook, is equipped with the hoist on the lifting hook, and the hoist is used for the cutterhead of dismouting entry driving machine. After the cutting pick of whole cutterhead is worn and torn, for the construction progress, adopt the davit to change after lifting whole cutterhead, then utilize the davit to change the cutterhead of renewal, the cutting pick is changed to the cutterhead after the change, and two cutterheads are replaced alternate work at any time, and the efficiency of construction is higher.

Description

Cantilever excavator with auxiliary hoisting tool

Technical Field

The utility model belongs to the technical field of the cantilever entry driving machine and specifically relates to a cantilever entry driving machine with supplementary lifting device is related to.

Background

The cantilever tunneling machine is large tunnel excavation equipment and plays an important role in mountain tunnels and urban subway engineering construction. When the cantilever excavator tunnels the hard rock stratum, the cutting teeth are worn quickly, and the tunneling speed is reduced obviously. In order to accelerate the tunneling speed, the cutting teeth of the cutting head need to be replaced, but the cutting tooth replacing speed is low, the cutting head needs to be directly replaced, hoisting equipment needs to be built temporarily, the use is inconvenient, in the process of tunneling the cantilever tunneling machine, the supporting needs to be built for the surrounding tunnel face, the temporarily built hoisting equipment needs to be moved frequently, and the construction period is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a cantilever entry driving machine with supplementary lifting device, solves and directly changes the cutterhead and need build lifting device temporarily again, and it is inconvenient to use, and at the in-process of cantilever entry driving machine at the tunnelling, still need build the support to the tunnel face of border, and the lifting device who builds temporarily also needs frequent removal, influences construction period's problem.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the utility model provides a cantilever entry driving machine with supplementary lifting device, is equipped with on the entry driving machine and rotates the seat, is equipped with the cutting arm on the rotation seat, and the cutting arm tip is equipped with the cutterhead, is equipped with the davit on the entry driving machine organism, and the davit includes main arm and rotor arm, and main arm tip is articulated with the rotor arm, and the rotor arm tip articulates there is flexible arm, flexible arm tip is equipped with the lifting hook, is equipped with the hoist on the lifting hook, and the hoist is used for the cutterhead of dismouting entry driving machine.

In the preferred scheme, a second hydraulic cylinder is arranged on the main arm, one end of the second hydraulic cylinder is hinged with the main arm, and the other end of the second hydraulic cylinder is hinged with the rotating arm.

In the preferred scheme, the rotating arm is hinged with a third hydraulic cylinder, and the telescopic end of the third hydraulic cylinder is hinged with the telescopic arm.

In the preferred scheme, flexible arm includes dead lever and telescopic link, and the dead lever is articulated with the rotor arm, telescopic link and dead lever sliding connection, and the lifting hook is established at the telescopic link tip.

In the preferred scheme, be equipped with first pneumatic cylinder on the dead lever, the flexible end of first pneumatic cylinder is connected with the telescopic link.

In the preferred scheme, the cover plates are arranged on the fixed rod and the telescopic rod.

In the preferred scheme, the hoist includes the fixed plate, and the fixed plate both ends articulate there is the loose collar, and two loose collar tip joints of loose collar or nut are connected.

In the preferred scheme, the movable end of the movable ring is provided with an ear plate and a locking nut, and the locking nut is in threaded connection with the two ear plates.

In the preferred scheme, the fixed plate is provided with a lifting lug.

The utility model provides a cantilever entry driving machine with supplementary lifting device, after the pick of whole cutterhead weares and teares, for the construction progress, adopt the davit to change after hoisting whole cutterhead, then utilize the davit to change the new cutterhead, the pick is changed to the cutterhead after changing, two cutterheads replace alternative work at any time, the efficiency of construction is higher, the davit can also erect the peripheral support in tunnel, need not build interim gallows at any time, moreover, the steam generator is simple in structure, and is convenient and practical, and is suitable for being generalized to use.

Drawings

The invention will be further explained with reference to the following figures and examples:

FIG. 1 is a general block diagram of the present invention;

FIG. 2 is a lifting structure diagram of the suspension arm of the present invention;

FIG. 3 is a structural view of the suspension arm of the present invention;

fig. 4 is a structural diagram of the lifting appliance of the utility model;

in the figure: a heading machine 1; a rotating seat 2; a cutting arm 3; a cutting head 4; a boom 5; a main arm 501; a rotating arm 502; a fixing bar 503; a telescoping rod 504; a first hydraulic cylinder 505; a hook 506; a second hydraulic cylinder 507; a third hydraulic cylinder 508; a hood panel 6; a spreader 7; a fixing plate 701; a movable ring 702; an ear plate 703; a lock nut 704; a lifting lug 705.

Detailed Description

As shown in fig. 1 to 4, a boom excavator with an auxiliary hoisting tool is provided with a rotating base 2 on an excavator 1, a cutting arm 3 is provided on the rotating base 2, a cutting head 4 is provided at the end of the cutting arm 3, a boom 5 is provided on the excavator 1, the boom 5 includes a main arm 501 and a rotating arm 502, the end of the main arm 501 is hinged to the rotating arm 502, the end of the rotating arm 502 is hinged to a telescopic arm, a lifting hook 506 is provided at the end of the telescopic arm, a hanger 7 is provided on the lifting hook 506, and the hanger 7 is used for dismounting the cutting head 4 of the excavator 1. After the pick of whole cutterhead 4 weares and teares, for the construction progress, adopt davit 5 to hoist back change whole cutterhead 4, then utilize davit 5 to change new cutterhead 4, the cutterhead 4 after the change changes the pick, and two cutterheads 4 replace alternate work at any time, and the efficiency of construction is higher, and davit 5 can also erect the peripheral support in tunnel, need not set up interim gallows at any time.

In a preferable scheme, a second hydraulic cylinder 507 is arranged on the main arm 501, one end of the second hydraulic cylinder 507 is hinged to the main arm 501, and the other end of the second hydraulic cylinder 507 is hinged to the rotating arm 502. The second hydraulic cylinder 507 pushes the rotating arm 502 to rotate by an angle.

In a preferred scheme, a third hydraulic cylinder 508 is hinged to the rotating arm 502, and the telescopic end of the third hydraulic cylinder 508 is hinged to the telescopic arm. The third hydraulic cylinder 508 pushes the telescopic boom to rotate by an angle, controlling the telescopic boom to set up the support and replace the cutting head 4.

In a preferred embodiment, the telescopic arm comprises a fixed rod 503 and a telescopic rod 504, the fixed rod 503 is hinged to the rotating arm 502, the telescopic rod 504 is slidably connected to the fixed rod 503, and the hook 506 is disposed at an end of the telescopic rod 504. The extension rod 504 is retracted inside the fixing rod 503 when not in use, and is extended from the fixing rod 503 when in use.

In a preferred embodiment, a first hydraulic cylinder 505 is disposed on the fixing rod 503, and a telescopic end of the first hydraulic cylinder 505 is connected to the telescopic rod 504. The first hydraulic cylinder 505 pushes the extension rod 504 to extend.

In a preferred embodiment, the cover plate 6 is disposed on the fixing rod 503 and the telescopic rod 504. The cover plate 6 is used for protecting the fixing rod 503 and the telescopic rod 504.

In the preferred scheme, hoist 7 includes fixed plate 701, and fixed plate 701 both ends are articulated to have activity ring 702, and two activity ring 702 end joint of activity ring 702 or nut are connected. The movable end of the movable ring 702 is provided with an ear plate 703 and a locking nut 704, and the locking nut 704 is in threaded connection with the two ear plates 703. The movable rings 702 are used for clamping the cutting head 4, and then the locking nuts 704 are used for locking the two movable rings 702 to hoist the whole cutting head 4.

In a preferred embodiment, the fixing plate 701 is provided with a lifting lug 705. The lifting lug 705 is used for lifting.

The above-mentioned embodiments are merely preferred embodiments of the present invention, and should not be considered as limitations of the present invention, and the protection scope of the present invention should be defined by the technical solutions described in the claims, and includes equivalent alternatives of technical features in the technical solutions described in the claims. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.

Claims

1. The utility model provides a cantilever entry driving machine with supplementary lifting device, characterized by: be equipped with on entry driving machine (1) and rotate seat (2), be equipped with cutting arm (3) on rotating seat (2), cutting arm (3) tip is equipped with cutterhead (4), is equipped with davit (5) on entry driving machine (1) organism, and davit (5) include main arm (501) and rotor arm (502), and main arm (501) tip is articulated with rotor arm (502), and rotor arm (502) tip articulates there is flexible arm, the tip of flexible arm is equipped with lifting hook (506), is equipped with hoist (7) on lifting hook (506), and hoist (7) are used for cutterhead (4) of dismouting entry driving machine (1).

2. The cantilever excavator with the auxiliary hoisting tool according to claim 1, characterized in that: and a second hydraulic cylinder (507) is arranged on the main arm (501), one end of the second hydraulic cylinder (507) is hinged with the main arm (501), and the other end of the second hydraulic cylinder (507) is hinged with the rotating arm (502).

3. The cantilever excavator with the auxiliary hoisting tool according to claim 1, characterized in that: a third hydraulic cylinder (508) is hinged on the rotating arm (502), and the telescopic end of the third hydraulic cylinder (508) is hinged with the telescopic arm.

4. The boom miner with the auxiliary lifting tool as claimed in claim 1, wherein: the telescopic arm comprises a fixed rod (503) and a telescopic rod (504), the fixed rod (503) is hinged with the rotating arm (502), the telescopic rod (504) is connected with the fixed rod (503) in a sliding mode, and the lifting hook (506) is arranged at the end portion of the telescopic rod (504).

5. The boom miner with the auxiliary lifting tool as claimed in claim 4, wherein: a first hydraulic cylinder (505) is arranged on the fixing rod (503), and the telescopic end of the first hydraulic cylinder (505) is connected with the telescopic rod (504).

6. The cantilever excavator with the auxiliary hoisting tool as claimed in claim 4, wherein: the fixing rod (503) and the telescopic rod (504) are provided with cover plates (6).

7. The boom miner with the auxiliary lifting tool as claimed in claim 1, wherein: the lifting appliance (7) comprises a fixing plate (701), two ends of the fixing plate (701) are hinged with movable rings (702), and the end parts of the two movable rings (702) of the movable rings (702) are clamped or connected through nuts.

8. The boom miner with the auxiliary lifting tool as claimed in claim 7, wherein: the movable end of the movable ring (702) is provided with an ear plate (703) and a locking nut (704), and the locking nut (704) is in threaded connection with the two ear plates (703).

9. The boom miner with the auxiliary lifting tool as claimed in claim 7, wherein: the fixed plate (701) is provided with a lifting lug (705).