CN101046099B - Self descending unit on track beam - Google Patents
Self descending unit on track beam Download PDFInfo
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- CN101046099B CN101046099B CN200710039608A CN200710039608A CN101046099B CN 101046099 B CN101046099 B CN 101046099B CN 200710039608 A CN200710039608 A CN 200710039608A CN 200710039608 A CN200710039608 A CN 200710039608A CN 101046099 B CN101046099 B CN 101046099B
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- oil cylinder
- piston rod
- key seat
- track beam
- descending unit
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Abstract
The present invention relates to excavating technology, and is especially one self descending unit on track beam for excavating equipment. The self descending unit has one descending oil cylinder fixed on track beam, and preset key bosses on the foundation groove wall in different heights. By means of fixing the descending oil cylinder and its piston alternately onto these key bosses, the track beam can descend automatically. The present invention has the advantages of mechanized construction, high construction efficiency, etc.
Description
Technical field
The present invention relates to excavate class, relate to a kind of self descending unit on track beam that is used for the excavating equipment lifting concretely.
Background technology
In soft soil layer, the general diaphragm wall worker method that adopts is carried out the construction of deep foundation ditch, carry out deep pit construction after the grooving, main adopt many small-sized caterpillar belt formula digging machines to cut the earth in foundation ditch and be deposited into certain position in the foundation ditch, being grabbed bucket directly soil to be caught by ground several crawler cranes and wire rope again transports out of the job site on the transport vehicle.When deep pit construction, need to adopt the method for supporting while excavating, in time adopt steel to support to the space enclosing structure of excavating part and carry out supporting.The general sequence of construction of putting the slope excavation that adopts of this excavation of foundation pit mode, not only efficiency of construction is low, considerable activity duration of foundation pit construction has accounted for, and owing to have different shoveling equipment and operating personnel to be in charge of different shoveling zones, in putting sloping digging process, easily cause shoveling amount inequality, part to owe to dig and local phenomenon of backbreaking, thereby the stability of foundation pit enclosure structure is produced harmful effect.Owing to need constructor's operating equipment operation in foundation ditch, the site safety execution control also brought certain difficulty.In addition, most of construction equipment adopts Diesel engine power in the foundation ditch, and noise is big during construction, discharge amount of exhaust gas is big, easily environment is had a negative impact.
Summary of the invention
The objective of the invention is according to above-mentioned the deficiencies in the prior art part, a kind of self descending unit on track beam is provided, this device falls rail beam oil cylinder and fixes with climbing, and the pre-buried key seat of some differing heights is set in foundation pit walls, fall oil cylinder and piston rod alternately is fixed on respectively on the pre-buried key seat by climbing, realize that climbing certainly of rail beam fall.
The object of the invention realizes being finished by following technical scheme:
A kind of self descending unit on track beam, comprise deep foundation ditch, rail beam, it is characterized in that this device also comprises climbing falls oil cylinder, free bearing, pre-buried key seat and bearing pin, wherein pre-buried key seat is provided with two rows at least at differing heights, and be embedded in the deep foundation ditch wall in advance, be weldingly fixed on the rail beam free bearing with climb that to fall oil cylinder hinged, climb and fall oil cylinder and can be fixed on down on the pre-buried key seat of row by bearing pin, climb the piston rod that falls oil cylinder and can be fixed on by bearing pin and arrange on the pre-buried key seat.
The external diameter of the described piston rod body of rod is not less than the external diameter of the rod end part of piston rod.
The boom end branch of the piston rod body of rod and piston rod is structure as a whole.
Fall oil cylinder and fix and climb fixedly hocketing of the piston rod that falls oil cylinder and the pre-buried key seat of last row with the following pre-buried key seat of row by climbing.
Advantage of the present invention is, the mechanization degree height, and the efficiency of construction height, speed is fast, is applicable to deep pit construction, helps site construction management.
Description of drawings
Fig. 1 is an embodiment of the invention device floor map;
Fig. 2 digs soil-discharging device A-A sectional drawing for the embodiment of the invention;
Fig. 3 is embodiment of the invention hydraulic grab shoveling device and equipment chassis (E enlarged drawing);
Fig. 4 is for embodiment of the invention self descending unit and dig soil-discharging device (B-B sectional drawing);
Fig. 5 is the embodiment of the invention rail driving device (D enlarged drawing) of laterally walking;
Fig. 6 is the A-A sectional drawing of Fig. 5;
Fig. 7 is embodiment of the invention self descending unit (F is to enlarged drawing);
Fig. 8 is the side schematic view of Fig. 7;
Fig. 9 is the G-G sectional drawing of Fig. 7;
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. 1-9, label 1-57 represents respectively: diaphragm wall 1, elasticity limited block 2, self descending unit 3, rail beam 4, walking beam 5, tie-beam 6, belt conveyor 7, hydraulic grab shoveling device 8, elasticity limited block 9, mechanical type grab bucket 10, crawler crane 11, pre-buried key seat 12, hydraulic hose 13, hydraulic power unit 14, electric control box 15, wireless remote control receiving device 16, free bearing 17, hydraulic power unit 18, tooth bar 19, motor 20, reducer 21, gear 22, elasticity limited block 23, tooth bar 24, road wheel 25, track 26, gusset 27, equipment vehicle frame 28, track 29, pin 30, road wheel 31, road wheel 32, gear 33, tie-beam 34, dust protection rubber sealing shroud 35, pressing plate 36, pin 37, skip body 38, pin 39, grab bucket opens and closes oil cylinder 40, pin 41, pin 42, grab bucket telescopic oil cylinder 43, telescopic arm 44, guide pin bushing 45, frame 46, motor 47, reducer 48, bearing pin 49, climb and fall oil cylinder 50, bearing pin 51, flexibly connect piece 52, fixed head 53, rod end 54, fixedly connected 55, steel washer 56, piston rod 57.
Because the shoveling of hydraulic grab has certain travel limits, its once effective digging depth is H1, after the soil excavation in the foundation ditch in this effective depth is finished, digs the necessary whole falling head H2 of soil-discharging device, and H2=H1, just can proceed the excavation of deep foundation ditch.Therefore, present embodiment has comprised two construction stages of hocketing all the time: 1) shoveling, casting construction stage, digging depth is H1; 2) dig soil-discharging device and descend the construction stage, falling head is H2.
When shoveling reaches certain degree of depth, hydraulic grab shoveling device 8 can't continue to cut the earth, the synchronous working of the some self descending units 3 by being installed in rail beam 4 tops, make the whole decline certain height of rail beam 4 and relevant device, make hydraulic grab shoveling device 8 and belt conveyor 7 can continue normally to dig the casting operation, dig the casting operation and climb certainly and fall operation and hocket, up to the projected depth of excavating deep foundation ditch.
The self descending unit 3 of present embodiment comprises climbing and falls oil cylinder 50, free bearing 17, pre-buried key seat 12, flexibly connects piece 52, fixedly connected 55 and various bearing pin, free bearing 17 is weldingly fixed on the rail beam 4, climbing the hinge ear that falls oil cylinder 50 lower ends is connected with free bearing 17 by bearing pin 49, thrust plate 53 is inlaid in the rising as high as the banks of bearing pin 49, by bolt 58 with climb the hinge ear that falls oil cylinder 50 lower ends and fix, make bearing pin 49 fixing.Climb and fall oil cylinder 50 and can adopt one-stroke or two-pass form, the rod end 54 and the piston rod 57 of piston rod 57 are integral, and the external diameter of rod end 54 is big than the external diameter of piston rod 57 bodies of rod.Flexibly connecting piece 52 is enclosed within outside piston rod 57 bodies of rod, can adopt two identical half block bolt splicing forms, also can adopt whole form processing, back kind form is fallen oil cylinder 50 assembling stages and is about to flexibly connect piece 52 and is enclosed within outside piston rod 57 bodies of rod climbing, fixedly connected 55 with climb the outer cylinder body that falls oil cylinder 50 and be integral.
Pre-buried key seat 12 was weldingly fixed on the reinforcing cage according to preposition in 1 construction stage of diaphragm wall, invaded for preventing concrete, added plastic cap sealed in the aperture of pre-buried key seat 12, when step-down operation, took vinyl cover away.
In the step-down operation process, fixedly connected 55 and flexibly connect to insert and to extract bearing pin 51 in the middle of the piece 52 and hocket, when flexibly connecting piece 52 insertion bearing pins 51, climbing the piston rod 57 that falls oil cylinder 50 stretches out gradually from being withdrawn into position, the end, at this moment, integral device descends simultaneously, fixedly connected 55 bearing pin is in the state of extracting, when dropping to certain position, when fixedly connected 55 pin shaft hole aligns with next pre-buried key seat 12, insert bearing pin 51 and fixing at fixedly connected 55, extract the bearing pin 51 in the top movable contiguous block 52 then, the withdrawal piston rod descended when this moment, integral device was different, waited for step-down operation next time.The structure of bearing pin 51, front end are screw threads, fix when it is inserted into, prevent that bearing pin is withdrawed from by external force, and the stage casing is the bearing pin body, bearing load, and the rear end is a square structure, is used to tighten or unclamps be threaded.Fixedly connected 55 or flexibly connect piece 52 and bearing pin 51 between, placed steel washer 56.
Self descending unit has adopted hydraulic power, and hydraulic power unit 18 is placed on the ground, and pipeline is connected to by hydraulic hose 13 and climbs the chamber, front and back that falls oil cylinder 50.
Hydraulic grab shoveling device 8 is installed in the below of walking beam 5 in the present embodiment, and can move forward and backward along the track 26 of walking beam 5, connects by two tie-beams 6 between the adjacent walking beam 5, makes all walking beams 5 form the general frame structure.A road wheel 25 is equipped with at the two ends of every walking beam 5, the general frame structure can laterally be moved along rail beam 4, by 4 motor 20 that are installed in walking beam top and the run-in synchronism of 4 reducers 21, drive by gear 22 that is connected with reducer 21 output axle heads and the engaged transmission that is installed in the tooth bar 19 on rail beam 4 tops, laterally the distance that moves equals the length of tooth bar 19, its length is a bit larger tham the parallel distance between the adjacent walking beam 5, make the hydraulic grab shoveling device 8 that to do to move forward and backward, horizontal move left and right by walking beam 5 general frame structures, can excavate the rectangular area that forms with rail beam 4 length and foundation ditch width, be installed in the elasticity limited block 2 at rail beam 4 two ends and be installed in horizontal mobile be controlled at this zone in of the elasticity limited block 23 at tooth bar 19 two ends the general frame structure.
Present embodiment is provided with six roots of sensation walking beam 5, the corresponding six cover hydraulic grab shoveling devices 8 that are provided with thereon, and every covering device is mainly cut the earth by the bottom and top walking two parts mechanism forms.
Bottom shoveling mechanism is made up of frame 46, grab bucket telescopic oil cylinder 43, guide pin bushing 45, telescopic arm 44, a pair of skip body 38 and two pairs of grab bucket keying oil cylinders 40 etc.Grab bucket telescopic oil cylinder 43 is installed in the box house of frame 46, the upper end is connected with frame 46 by pin 30, the lower end is connected with telescopic arm 44 by pin 42, guide pin bushing 45 is processed by high-abrasive material (as copper alloy), be fixed on the inwall of frame 46, with can the annotate oil groove of lubricant grease of the contact surface of telescopic arm 44 processing, lower end surface at frame 46 and guide pin bushing 45 is equipped with dust protection rubber sealing shroud 35, by pressing plate 36 and bolt, side in the hydraulic fluid port correspondence of the grab bucket telescopic oil cylinder 43 of frame 46 and guide pin bushing 45, open a waist through hole, so that the adapter of grab bucket telescopic oil cylinder 43 is installed and maintenance.A pair of grab bucket body 38 is connected with the free bearing of frame 46 belows by 4 pins 39, the end that the two pairs of grab buckets open and close oil cylinders 43 is connected with the free bearing of frame 46 belows by 4 pins 41, the other end links to each other with a pair of grab bucket body 38 by 4 pins 37, open and close the flexible keying of controlling a pair of grab bucket body 38 of oil cylinder 43 by two pairs of grab buckets, the both-side opening end of grab bucket body 38 is processed into zigzag, and bottom open end is equipped with disconnectable teeth.
The top walking mechanism is made up of two groups of motor 47, reducer 48, gear 33, tooth bar 24, track 26 and 4 road wheels 32 etc.Two groups of motor 47 and reducer 48 symmetries are fixed on the both sides, top of frame 46, gear 33 is installed in the output axle head of reducer 48, the tooth bar 24 that is installed in 5 liang of middle side parts of walking beam with its top meshes, moving forward and backward of drive chassis 46, tooth bar 24 is installed base plate and walking beam welding, top keeps at a certain distance away to weld and strengthens gusset 27, and weld mutually with the track 29 of top equipment vehicle frame 28, two groups totally 4 road wheels 32 respectively symmetry be fixedly mounted on the inboards on frame 46 tops, it is taken turns subdivision and is placed in the track 26, article two, parallel orbit 26 is processed into bathtub construction, is symmetrically welded the bottom that is fixed on walking beam 5.
Hydraulic grab shoveling device 8 adopts hydraulic pressure and wireless remote control control, its hydraulic power unit 14, electric control box 15 and wireless remote control receiving device 16 are installed on the upper brace of the contiguous equipment vehicle frame 28 of its side, the connection of fluid pressure line between hydraulic grab shoveling device 8 and the hydraulic power unit 14, adopt hydraulic hose, power cable and control cables then adopt cable rack and lanyard.
The soil body that in the operating area, excavates by hydraulic grab shoveling device 8, by being discharged into rail beam 4 length foundation ditch two side areas in addition by two-way unearthed belt conveyor 7, directly cut the earth and entruckings by ground several crawler cranes 11 and mechanical type grab bucket 10 in this zone.Belt conveyor 7 is by motor, reducer and actuator drives, be installed on the lower platform of the equipment vehicle frame 28 between the walking beam 5, can move forward and backward along the track 29 that is installed in walking beam 5 both sides with equipment vehicle frame 28, make belt conveyor 7 keep nearer distance with hydraulic grab shoveling device 8 all the time, hydraulic grab shoveling device 8 can be at any side digging of belt conveyor 7, the ultimate range that belt conveyor 7 and equipment vehicle frame 28 move forward and backward is the distance between the tie-beam 6, and elasticity limited block 9 is equipped with at the two ends of track 29.
Claims (4)
1. self descending unit on track beam, comprise deep foundation ditch, rail beam, it is characterized in that this device also comprises climbing falls oil cylinder, free bearing, pre-buried key seat and bearing pin, wherein pre-buried key seat is provided with two rows at least at differing heights, and be embedded in the deep foundation ditch wall in advance, be weldingly fixed on the rail beam free bearing with climb that to fall oil cylinder hinged, climb and fall oil cylinder and be fixed on down on the pre-buried key seat of row by bearing pin, climb the piston rod that falls oil cylinder and be fixed on by bearing pin and arrange on the pre-buried key seat.
2. a kind of self descending unit on track beam according to claim 1 is characterized in that the external diameter of the external diameter of the described piston rod body of rod less than the rod end part of piston rod.
3. a kind of self descending unit on track beam according to claim 2 is characterized in that the boom end branch of the piston rod body of rod and piston rod is structure as a whole.
4. a kind of self descending unit on track beam according to claim 1 is characterized in that falling oil cylinder and fixing and climb fixedly hocketing of the piston rod that falls oil cylinder and the pre-buried key seat of last row with the following pre-buried key seat of row by climbing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710039608A CN101046099B (en) | 2007-04-18 | 2007-04-18 | Self descending unit on track beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710039608A CN101046099B (en) | 2007-04-18 | 2007-04-18 | Self descending unit on track beam |
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| Publication Number | Publication Date |
|---|---|
| CN101046099A CN101046099A (en) | 2007-10-03 |
| CN101046099B true CN101046099B (en) | 2010-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710039608A Active CN101046099B (en) | 2007-04-18 | 2007-04-18 | Self descending unit on track beam |
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| CN (1) | CN101046099B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101191336B (en) * | 2007-12-14 | 2011-05-25 | 上海市第二市政工程有限公司 | Special-purpose digging machine for digging deep foundation ditch |
| CN106121507B (en) * | 2016-08-15 | 2018-06-19 | 中交隧道工程局有限公司 | The construction platform of rotary drilling rig in foundation pit |
| CN111335384A (en) * | 2020-02-20 | 2020-06-26 | 同济大学 | Self-digging underground continuous wall simulation device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2613522Y (en) * | 2003-03-14 | 2004-04-28 | 刘中海 | Excavating mechanism for sewage well |
| CN201024431Y (en) * | 2007-04-18 | 2008-02-20 | 上海市第二市政工程有限公司 | Track beam self-climbing and descending device |
-
2007
- 2007-04-18 CN CN200710039608A patent/CN101046099B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2613522Y (en) * | 2003-03-14 | 2004-04-28 | 刘中海 | Excavating mechanism for sewage well |
| CN201024431Y (en) * | 2007-04-18 | 2008-02-20 | 上海市第二市政工程有限公司 | Track beam self-climbing and descending device |
Non-Patent Citations (6)
| Title |
|---|
| JP平4-55519A 1992.02.24 |
| JP昭55-65641A 1980.05.17 |
| JP特开2000-212970A 2000.08.02 |
| JP特开平5-106389A 1993.04.27 |
| JP特开平8-319618A 1996.12.03 |
| JP特开平9-165990A 1997.06.24 |
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| CN101046099A (en) | 2007-10-03 |
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Owner name: SHANGHAI URBAN CONSTRUCTION MUNICIPAL ENGINEERING Free format text: FORMER NAME: SHANGHAI NO.2 MUNICIPAL ENGINEERING CO., LTD. |
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| CP01 | Change in the name or title of a patent holder |
Address after: 200232 Xuhui District, Liuzhou Wu Road, Lane No. 13, No. 3, No. Patentee after: Shanghai urban construction Municipal Engineering (Group) Co., Ltd. Address before: 200232 Xuhui District, Liuzhou Wu Road, Lane No. 13, No. 3, No. Patentee before: Shanghai No.2 Municipal Engineering Co., Ltd. |