The special-purpose digging machine that is used for deep pit digging
Technical field
The present invention relates to the underground construction technical field, be specifically related to a kind of excavating equipment that is used for deep pit digging.
Background technology
Along with the continuous development of urban construction, various types of underground constructions, deep foundation engineering get more and more.Efficiently, the construction method of deep foundation ditch of economy, energy-saving and environmental protection seems particularly important.At present, there is following problem in the excavation construction that uses conventional digging machine to carry out deep foundation ditch:
(1) servicing unit such as foundation ditch support influences the function performance of conventional digging machine, particularly digs deeply greater than after 20 meters, cut the earth below foundation ditch supports and fetch earth, and conventional digging machine is subjected to the restriction of swing arm height, and is very difficult even can not bring into play usefulness;
(2) existing hand control digging machine potential safety hazard is many, and digging has a lot of uncertain factors under deep foundation ditch, influences personal safety;
(3) conventional digging machine economy, the feature of environmental protection is poor, fuel consume is big, blowdown is serious problem are inevitable;
(4) existing digging machine function singleness, deep foundation pit construction are except that digging muck haulage, and it is quite big to set up the support works amount.
Summary of the invention
The objective of the invention is according to above-mentioned the deficiencies in the prior art part, special requirement at underground construction diggings such as deep foundation ditch, pneumatic caissons, a kind of special-purpose digging machine that is used for deep pit digging is provided, work such as this digging machine can be cut the earth below brace summer freely, brace summer sets up, and possess walking function.
The object of the invention realizes being finished by following technical scheme:
A kind of special-purpose digging machine that is used for deep pit digging, it is characterized in that this digging machine comprises bucket assembly and brace summer thereof, this brace summer is made up of crossbeam and four vertical beams at least, crossbeam is frame construction with vertical each other the setting up of vertical beam, and fixedly connected between crossbeam and the vertical beam, wherein the bottom of vertical beam is fixedly installed on the traveling crawler top, below crossbeam by being set with lower platform, on four angles of this platform vertically telescopic outrigger is housed respectively, the fixedly connected bucket assembly in this platform bottom, be provided with the revolution rotating disk between lower platform and crossbeam, this rotating disk is fixedlyed connected with lower platform, and can drive lower platform 360 degree rotations on horizontal plane.
Described vertical beam is vertical telescopic outrigger.
Described vertically telescopic outrigger is made up of sleeve and oil cylinder, realizes supporting leg stretching in vertical direction by oil cylinder control.
Described crossbeam is horizontal extensible canopy, and this extensible canopy is made up of sleeve and oil cylinder, realizes in the horizontal direction flexible of crossbeam by oil cylinder control.
Described a kind of special-purpose digging machine that is used for deep pit digging is characterized in that described vertically telescopic outrigger is made up of sleeve and oil cylinder.
Advantage of the present invention is safety: adopt telecontrol engineering, make operating personnel not need to enter tens meters dark underground work, avoided the generation of personal safety accident;
Multi-functional: can be comprehensive, multi-angle excavates, because working arm can 360 degree rotations,, can make bucket function such as realize that crowd shovel, backhoe and side are dug according to the actual job situation at scene, effectively dead angle earth is removed.Telescopic working arm can be regulated the shoveling scope automatically under the situation that does not change the working arm height, so just can greatly reduce operation height, and traditional digging machine must lift big arm is high when closely cutting the earth, so just increase operation height, can be subjected to the restriction of supporting facility such as brace summer;
High efficiency: adopt the telescopic arm type remote control digging machine operation, owing to the digging machine of the equal dipper capacity of the little ratio of dynamic moment of inertia is compared, about efficient doubles;
Energy saving: adopt the electric-powered cell arrangement of a cover, drive the operation of flexible bucket, more save the energy than internal combustion engine formula digging machine.According to initial estimate, adopt the industrial electricity charge of time-sharing ammeter, energy-conservation about 40%;
The feature of environmental protection: adopt driven by power to avoid the exhaust pollution that digging machine produced and the noise pollution of internal combustion engine formula.
Description of drawings
Fig. 1 is a digging machine overall construction drawing of the present invention;
Fig. 2 is a digging machine lateral view of the present invention;
The specific embodiment
Feature of the present invention and other correlated characteristic are described in further detail by embodiment below in conjunction with accompanying drawing, so that technician's of the same trade understanding:
Shown in Fig. 1-2, label 1-24 represents respectively: crawler belt 1, sleeve 2, vertical telescopic outrigger 3, oil cylinder 4, sleeve 5, oil cylinder 6, pumping plant and valve body assembly 7, revolution rotating disk 8, horizontal extensible canopy 9, sleeve 10, oil cylinder 11, vertical telescopic outrigger 12, big arm oil cylinder 13, big arm 14, forearm rotary motor 15, forearm 16, dipper 17, dipper telescopic oil cylinder 18, scraper bowl 19, bucket cylinder 20, brace summer carriage 21, upper mounting plate 22, lower platform 23, crawler belt support 24.
The special-purpose digging machine that present embodiment relates to: be crawler belt 1 bottom, vertical telescopic outrigger 3 is equipped with in its top, supporting leg is made up of sleeve 2 and oil cylinder 4, sleeve 2 and oil cylinder 4 are fixing with 24 welding of crawler belt support, brace summer carriage 21 is installed in supporting leg 3 supportings, and the vertical telescopic outrigger 3 at two ends is connected with horizontal extensible canopy 9, and extensible canopy 9 is made up of sleeve 5 and oil cylinder 6, welding is fixed between sleeve 5 and the sleeve 2, and oil cylinder 6 is hinged with sleeve 2.At the middle part of extensible canopy 9 upper mounting plate 22 is housed, wherein extensible canopy 9 connects upper mounting plate 22, two group oil cylinders 6 platform 22 both sides that are placed in, upper mounting plate 22 top bolt pumping plant and valve body assemblies 7, below bolt revolution rotating disk 8, rotating disk 8 below bolt lower platforms 23, each bolt has vertical telescopic outrigger 12 on 23 4 angles of platform, and supporting leg 12 is made up of sleeve 10 and oil cylinder 11.Hinged under top one end of big arm 14 and the lower platform 23, the other end is hinged with an end of big arm oil cylinder 13, and the other end of oil cylinder 13 is hinged under the lower platform 23, and oil cylinder 13 is used for swinging up and down of big arm 14.Big arm 14 belows one terminal bolt is forearm rotary motor 15 fixedly, big arm 14 and forearm 16 sockets, realize that by motor 15 forearm 16 is along the 360 degree rotations of big arm 14 axis; forearm 16 other ends are socketed with dipper 17; inside of dipper 17 is mounted with dipper telescopic oil cylinder 18 and bucket cylinder 20, and the other end of dipper 17 is connecting scraper bowl 19.
The digging mechanism of this digging machine adopts inversion type, and walking can change the working depth of digging machine by 1 control of two crawler belts by the telescopic oil cylinders 4 in the vertical leg 3 before and after it, and digging machine can steadily walking, operation under the situation of horizontal depth displacement 0~80cm; Revolution rotating disk 8 can make lower platform 23 and whole digging arm in horizontal plane 360 degree rotations; Can regulate band distance between the crawler belt 1 by the telescopic oil cylinders 6 in the horizontal support legs 9, thereby change the working width of digging machine, during adjusting, telescopic outrigger 12 at first integral body is propped up digging machine, realizes any adjusting of band distance afterwards.Swinging up and down of big arm oil cylinder 13 control digging arms, dipper telescopic oil cylinder 18 control dippers 17 length, swinging up and down of bucket cylinder 20 control scraper bowls 19 hung revolution of arm motor 15 and can be made forearm 16, dipper 17 and scraper bowl 19 carry out 360 degree rotations, enlarged the excavation scope.