CN2620073Y

CN2620073Y - Tower-shaped truss self-propelled pile support

Info

Publication number: CN2620073Y
Application number: CN 02281668
Authority: CN
Inventors: 石午江
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-07-16
Filing date: 2002-10-17
Publication date: 2004-06-09
Anticipated expiration: 2012-10-17

Abstract

The utility model relates to a tower shaped truss frame type self-traveling frame comprising a platform with a bottom, a traveling wheel or a pedrail running system, leveling legs, a windless, a hoisting frame pull rod, straight rods, diagonal rods, two slideways, a plurality of connecting rods and a top pulley block. Two parallel slideways are vertically arranged at the front part of the platform with a bottom, the four pieces of straight rods whose superior parts are connected with the diagonal rods symmetrically distribute around the slideways, each slideway is connected with two pieces of diagonal rods at the same side at top and is transversely connected with the diagonal rods and straight rods with help of the connecting rods to form a trigone truss whose inferior part and top are a triangular prism and a triangular pyramid respectively, the tops of the two trigone trusses are connected by the top pulley block and the lower ends are fixed on the platform with a bottom, each two neighboring straight rods are connected by a connecting rod and a bolt to jointly form a tower shaped truss whose top and seamed edges are the top pulley block and the four pieces of diagonal rods respectively. The utility model has the advantages of reasonable structure, light and stable structure, easy disassembly and transportation, low price, practical value and wide applicable range.

Description

The tower boom posture is pile frame voluntarily

Technical field

The utility model relates to a kind of piling machinery, and a kind of specifically being used for done stake at surface drilling or vibration sinking tube, beats the precipitation well, beats the truss-like pile frame that ground stabilizations such as resistance to plucking anchor pole and rotary jet grouting are handled.

Background technology

We know, during construction foundation working, bore a hole that diameter is identical with the degree of depth on the ground, and are in the various augers that use at present, the fastest with the penetration rate of full screw earth auger.It once bores down and bores soil continuously up to desired depth, extracts drilling rod again and finishes boring.Be that dry operation does not have mud contamination completely during construction.We only consider that from point of view of environment protection the boring method of this efficient pollution-free also should be promoted as possible.But the application of full screw earth auger has been subjected to the restriction of pile frame: just because of it is once to get into the end to extract again and do not need to shut down stacks midway, must generally will surpass about 3m greater than the degree of depth of boring so the height of the pile frame of this auger is installed.Up to now, the pile frame of full screw earth auger is installed both at home and abroad, largest only more than 30 meter high, drilling depth is about 30m, and the gross weight of this pile frame is near 100 tons.The reason that pile frame is so heavy is that the pile frame of all models all is provided with a tubular column that is welded with two slideways in its front side at present both at home and abroad, and to be exactly the place ahead of being suspended on column slide up and down on slideway with the slips of one side full screw earth auger.The setting of this column is entirely supporting skid rail, but must do not only slightly but also heavy, and the high pile frame column weight of 33m is above 10 tons.The lower end of column is hinged on the pile frame platform, and top and bearing diagonal are hinged, and the preceding paragraph is a cantilever, and the top pulleys group is installed on the top.Column and two bearing diagonals constitute a triangular pyramid, but are not trussed constructions, so three ribs of this triangular pyramid are all very thick, and rectangular edge column especially.The full screw earth auger that column the place ahead hangs, together with drilling rod, drill bit, middle casing, gross weight also surpasses 10 tons, and so the platform of support post, the rear must add counterweight, and land lengths generally surpasses 10m, and large-scale pile frame reaches 13m.There is more than 20 ton of column, auger in the place ahead, and there is counterweight at the rear, and platform must be enough abundant to guarantee its intensity and toughness.Platform one is strengthened, and pile frame is all strengthened everywhere thereupon, so gross weight has just got on.Through calculating, if adorn the dark hole of long auger machine drill 40m with the pile frame of this front pillars rear counter weight construction, column should surpass 43m, and the gross weight of pile frame is above 120 tons.Use so heavy pile frame construction, not only inconvenience but also dangerous is absorbed in ground and cannot moves once entering the building site probably.So up to now, also do not have this superduty pile frame of a tame plant produced both at home and abroad.Here it is the drilled pile about a considerable amount of 40m in the construction work why now both at home and abroad can not adopt not only efficient but also helps the reason of the full screw earth auger construction of environmental protection.

Summary of the invention

Technical problem to be solved in the utility model is to overcome above-mentioned the deficiencies in the prior art, and it is reasonable to propose a kind of structure, and cost is low, pile frame in light weight, and it is convenient to shift the building site, shifts and tower boom posture that freight reduces greatly pile frame voluntarily.

The technical scheme that the above-mentioned technical problem that the utility model solves adopts is: a kind of tower boom posture is pile frame voluntarily, it includes end platform, road wheel or crawler travel system, the leveling supporting leg, hoist engine, play the frame pull bar, straight-bar and brace, slideway, some connecting rods and top pulleys group, it is characterized in that: two slideways arranged side by side are vertically mounted on the front portion of end platform, article four, the straight-bar of top bracing diagonal is distributed in around the slideway symmetrically, each bar slideway links to each other on the top with two braces of its homonymy, and slideway laterally is connected with brace and straight-bar with many connecting rods, the formation bottom is a triangular prism, the top is the triangular shape truss of triangular pyramid, the top of two triangular truss links to each other with the top pulleys group, end platform is fixed in the lower end, also be connected with bolt with connecting rod between each two straight-bar of front and back, forming one jointly is the top with the top pulleys group, article four, straight-bar and brace are the tower shape truss of seamed edge.Install to hang apparatus for work such as auger in the middle of two slideways of the utility model, with road wheel or crawler travel system turn to voluntarily, shifting walk.

The utility model proposes a kind of brand-new pile frame structural design scheme, its cancelled column on the pile frame in the prior art and with two slideways directly as the ingredient of two triangular truss, this change makes the mechanical structure of pile frame more reasonable, and the weight of whole pile frame alleviates greatly.The gross weight of the little pile frame of the utility model as calculated, 1/10th of also not enough traditional walking pile frame weight with identical boring ability.Reduced manufacturing cost and selling price simultaneously, reduced the freight when shifting the building site, and made us that the full screw earth auger that bores the 40m degree of depth can be installed.The utlity model has the extensive use of multiple form of construction work: when being used for beating the precipitation well and beating the resistance to plucking anchor pole, once get into the end and once extract, speed of application has been improved several times; When being used for rotary jet grouting, not only penetration rate is fast, and the dry operation mode makes the long screw drill rod that pierces in the soil, substantially with bore closed, at the bottom of the hole during high-pressure rotary-spray cement paste, want much less by the cement paste of emerging in the aperture than the hole of boring with mud circulation, therefore saved a large amount of cement.In addition vibrating hammer can be installed, be used for operations such as vibration sinking tube, this moment, pile frame must be enough heavy, need pressurize and interim weight of placing the woven bag of Sheng sand with the increase pile frame with press roll.The mode of its continuous walking has shortened the time that the stake position is changed in telephone-moving greatly, thereby efficiency of construction has improved several times than walking pile frame.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is that the utility model plays the frame schematic diagram voluntarily.

Fig. 3 is the utility model Support joint structural representation.

1. top pulleys groups among the figure, 2. slideway, 3. straight-bar, 4. distribution operation platform, a 5. frame pull bar, 6. hoist engine, 7. Hydraulic Station, 8. end platform, 9. road wheel, 10. leveling supporting leg, 11. connecting rods, 12. joints, 13. drilling rods, 14. braces, 15. augers.

As can be seen from Figure 1, a kind of tower boom posture is pile frame voluntarily, and it includes end platform 8, road wheel 9 or crawler travel system, leveling supporting leg 10, hoist engine 6, plays frame pull bar 5, slideway 2, straight-bar 3 and brace 14, some connecting rods 11 and top pulleys group 1.End platform 8 needs the place to be covered with steel plate by the channel-section steel welding.Road wheel is housed on the end platform 89, four jiaos leveling supporting leg 10 is housed.Small-sized pile frame adopts road wheel 9 walkings, and big-and-middle-sized pile frame changes the pile frame road wheel into electric motor driven crawler belt.Finish go to action with the method that the another side that advances retreats on one side, road wheel is generally used three, and wherein the road wheel of both sides drives by deceleration device with motor, and the 3rd is loaded on platform rear portion, the end and has steering spindle to be convenient to turn to.Totally four of leveling supporting legs 10, small-sized pile frame leading screw supporting leg manual leveling, big-and-middle-sized pile frame hydraulic leg.Its effect is the verticality that keeps boring.Distribution operation platform 4 is installed on the end platform 8, by push-botton operation auger and hoist engine.Hoist engine 6 also is installed on the end platform 8, and small-sized pile frame is only joined one, the 3T pulling force.Big-and-middle-sized pile frame is joined two, and pulling force is 1.6T and 5T or 3T and 8T.Beat the pile frame twin drum winch of vibration sinking tube, little pulling force hoist engine hangs reinforcing cage and uses.Collide if find hoist engine wire rope and connecting rod, can add an angle pulley on end platform.

The utility model top pulleys group 1 is provided with 4-5 group pulley, and the pulling force that hoist engine can be promoted auger amplifies 8-10 doubly.Be a kind of small-sized pile frame shown in Fig. 1, do not establish the pulley of lifting reinforcing cage.Big-and-middle-sized pile frame will increase the cage pulley and hang the steel cage by another little hoist engine.Straight-bar 3 links to each other with brace 14 four totally, is made by seamless hot-finished steel tube or shaped steel.The brace of per two the same sides is connected with the top of slideway 2, and (making dismoutability with bolt links in the many places connection with connecting rod 11.But wherein small-sized pile frame for convenient can the segmentation welding), constituting two bottoms is triangular prism, the top is the triangular shape truss of triangular pyramid.The front and back of these two triangular truss couples together with connecting rod 11 and bolt again, and the upper end is connected (dismoutability connection) with top pulleys group 1, constitutes the truss of a shape like tower.Two that are positioned at the pile frame front end in the straight-bar 3 are hinged on the end platform 8, and two back straight-bars are fixed on the end platform 8 with bolt and flange in addition.For support firmly is fixed on the end platform 8, two the hinged straight-bars in front can add a movable rod bottom in addition, and an end of this connecting rod is hinged on the straight-bar, and the other end is fixed in end platform with flange, also is provided with joint 13 on the straight-bar 3.Totally two in slideway 2 is made by seamless hot-finished steel tube or shaped steel, and its upper end is connected with top pulleys group 1, and the lower end uses the flange bolt in end platform 8.Slideway 2 highly determines the specification of pile frame.The utility model two slideways arranged side by side are vertically mounted on the front portion of end platform 8, article four, straight-bar and brace are distributed in around the slideway symmetrically, each bar slideway links to each other on the top with two braces of its homonymy, and slideway laterally is connected with brace and straight-bar with many connecting rods, constituting the bottom is the triangular shape pile frame of triangular pyramid for triangular prism top, the top of two triangular shape truss links to each other with the top pulleys group, end platform is fixed in the lower end, also be connected with bolt with connecting rod between each two straight-bar of front and back, forming one jointly is the top with the top pulleys group, article four, brace and straight-bar are the tower shape truss of seamed edge.

The utility model connecting rod is 11 different in size, a lot of roots are arranged, and all adopts seamless hot-finished steel tube or shaped steel to make.When straight-bar and slideway being connected into triangular shape truss, can all make dismoutability and connect with connecting rod.But because of middle-size and small-size pile frame size less, do not influence transportation even be welded into the triangular truss integral yet, so straight-bar or brace, slideway and connecting rod can be welded into triangular prism or triangular pyramid truss, the triangular prism truss is welded into 6m or the high standard paragraphs of 3m, the segmentation assembling, to connect the front-rear linkage of these two the triangular truss that weld, the dismoutability made from bolt connects.And the oblique connecting rod between every two sections is made the centre structure of positive and reverse return to screw thread arranged, so that the two sections truss is strained.This moment, next root of front rod did not answer the anomaly platform too low, in order to avoid be an impediment to the clear soil of boring and bore the back pile frame and withdraw from.The utility model auger 15 is installed in the middle of two slideways, and the slips that is installed in the fuselage both sides with symmetry makes it slide up and down along slideway.The slideway slips of this auger (also available roller) is installed in the both sides of auger symmetrically, and the auger slips that is different from other pile frame is contained in the same side of auger.

The utility model plays frame pull bar 5 and is made by steel pipe or shaped steel and be loaded on back straight-bar 3 bottom, on a pulley (large-scale pile frame assembly pulley) is arranged, effect is to have extended that the booster arm has increased the frame pulling force so that a frame, as shown in Figure 2.Pile frame is assembling on the ground earlier, being about to two straight-bars and slideway and connection rod set, to dress up the bottom be the triangular truss of triangular pyramid for triangular prism top, be connected with the top of top pulleys group again these two triangular truss, with connecting rod they are connected into turriform, the bottom of two front straight rods is articulated on the end platform, and the pulley of the wire rope of hoist engine having been walked around the frame pull bar is fixed on the end platform.Pulley can amplify the hoist engine pulling force.Adopted the frame pull bar can will rise the arm of force lengthening of frame pulling force, can also prevent from repeatedly to rise the rod deformation of tension behind the frame.Starting hoist engine just can be with the pylon pull-up.After treating that pylon stands on the end platform, fix under latter two straight-bar and the slideway end flanges one by one on end platform.At last that the movable rod of front straight rod is also fixing, pylon just firmly rises sheer from the end platform.Of the present utility model frame than traditional pile frame safety many, can not draw and turn over pile frame.For will someone holding before the vibration proof pylon.

Fig. 3 is the structural representation of the utility model straight-bar joint.Can know from accompanying drawing 3 and to find out that two joint steel pipes are by fuse 16 location on the support, the side is welded with two junction plates 17, and junction plate 14 is fixed with two bolts 18 in a side that does not influence the slideway slips.The joint of slideway also is this form.Joint of 6m or 3m is so can split into 6m or the long section of 3m.

The utility model had both solved increase full screw earth auger drilling depth problem, provide a kind of light and handy firm for the constructor again, be convenient to install and remove transportation even a dead lift to be not open to traffic by last assembling, has multiple function, the fast efficient height of penetration rate, helping environment, is a kind of cheap practical construction equipment.

Claims

1. tower boom posture pile frame voluntarily, it includes end platform, road wheel or crawler travel system, the leveling supporting leg, hoist engine, play the frame pull bar, straight-bar and brace, slideway, some connecting rods and top pulleys group, it is characterized in that: two slideways arranged side by side are vertically mounted on the front portion of end platform, article four, the straight-bar that is connected with brace of top is distributed in around the slideway symmetrically, each bar slideway links to each other on the top with the brace on two straight-bar tops of its homonymy, and slideway laterally is connected with brace and straight-bar with many connecting rods, constituting the bottom is the triangular shape truss of triangular pyramid for the triangular prism top, the top of two triangular truss links to each other with the top pulleys group, end platform is fixed in the lower end, also be connected with bolt between each two straight-bar of front and back with connecting rod, one of common composition is the top with the top pulleys group, article four, brace and straight-bar are the tower shape truss of seamed edge, turn to shifting walk voluntarily with road wheel or crawler travel system.

2. tower boom posture according to claim 1 is pile frame voluntarily, it is characterized in that triangular shape truss is that the triangular prism formed of segmentation and the triangular pyramid at top are formed jointly by the bottom, installs in the middle of two slideways and hangs the auger apparatus for work.