CN87203829U

CN87203829U - Movable apparatus for preplacing pile

Info

Publication number: CN87203829U
Application number: CN 87203829
Authority: CN
Inventors: 陈定华
Original assignee: Individual
Current assignee: Individual
Priority date: 1987-03-16
Filing date: 1987-03-16
Publication date: 1987-12-30

Abstract

The utility model relates to a movable apparatus for a preplacing pile, suitable for a preplacing pile hole. An embedding pile is arranged in order to fasten various larger apparatuses. The utility model comprises a short body which can unload the preplacing pile hole. The short body is positioned on a positioning pile foot, an adjusting distance plate and the embedding pile which is matched with the preplacing pile hole by a design requirement, wherein, the short body is provided with a cross-section with a taper in an ellipse shape. A pushing apparatus whose inner has elasticity pushes two pairs slide blocks to expand and contract the outside and the inside of the short body. The utility model has the advantages of simple structure, convenient operation and exact positioning. The components of the short body, etc. are repeatedly used. So large numbers of steel products are saved. The embedding pile is replaced at any time or detached when the embedding pile is not used.

Description

Movable apparatus for preplacing pile

The utility model relates to a kind of preformed pile device, particularly a kind of type mobile precast pile device.

When bigger machinery or plant and instrument are installed, often need piling on the ground, equipment is connected with footing, with the balance that keeps this equipment with stablize.In prior art, after the cylindrical shell of being made by ferrous materials during piling arranges by designing requirement directly and concrete casting be integral, and then on metal cylinder, fixedly be used for connecting the connector (as foot-screw etc.) of institute's installed device.This pile-driving method need be used a large amount of ferrous materials.

The embedding stake that the purpose of this utility model provides a kind of dismountable type mobile precast pile device and is used with it, this apparatus structure is simple, easy to use, accurate positioning, included cylindrical shell, location footing and the roll adjustment plate of this device can be dismantled behind the preformed pile hole, for repeated use, thereby save a large amount of metal material; The embedding stake that is used with the preformed pile hole also can be changed or at any time in that the time spent does not remove in addition.

The purpose of this utility model realizes in the following manner, a kind of type mobile precast pile device comprises the metal cylinder in preformed pile hole, make metal location footing and the metal roll adjustment plate of described cylindrical shell by the designing requirement location, wherein said cylindrical shell comprises that one up big and down smallly has a tapering, it is oblong that cross section is, the both sides that the waist place is the plane have the first pair of shaped as frame through hole of longitudinal separation and the housing of second pair of shaped as frame through hole, the bottom end cover that there is a central term rod center is fixed in the lower end of described housing, the upper end of described housing removably connects the upper end cover that there is a hold-down screw center by screw, and the internal activity ground of described housing is installed one and can synchronously be promoted to match with first pair of clear size of opening, and the first pair of slide block that can slide therein and match with second pair of clear size of opening, and second pair of slide block that can slide therein, the elastic pushing device that comprises a center push rod and connected two groups of linkages.

Further improvement of the utility model is, a kind of embedding stake that is used with preformed pile hole that made by described cylindrical shell is provided, it comprises a standing screw and a cover plate, described standing screw comprises that two size shapes match with the formed type hole that is positioned in the hole of pairing a pair of slide block respectively, so that described standing screw is fixed in the described stake hole, the flat board of parallelogram, one by described first dull and stereotyped center and fixedly connected with described first flat board, one end is connected with second dull and stereotyped center fixation, the other end is threaded, and the longitudinal separation distance that makes described two flat boards equals the longitudinal separation distance of two pairs of through holes on the described housing, and its length is greater than the long screw rod of the longitudinal axis of described housing; A pair of above, two ends are dull and stereotyped and described screw rod fixed engagement with described one respectively, with the supporting that keeps described each dull and stereotyped and the mutual upright position of described screw rod etc.

The utility model has the advantages that the embedding stake that a kind of dismountable type mobile precast pile device is provided and has been used with it, this apparatus structure is simple, easy to use, accurate positioning, included cylindrical shell, location footing and the roll adjustment plate of this device can be dismantled behind the preformed pile hole, for repeated use, thereby save a large amount of metal material; In addition, the embedding stake that is used with the preformed pile hole also can be changed or at any time in that the time spent does not remove to keep the smooth of place.

Below in conjunction with accompanying drawing an embodiment of the present utility model is done detailed explanation.

Fig. 1 is the longitudinal plan of the cylindrical shell among the utility model one embodiment;

Fig. 2 is the drawing in side sectional elevation along Figure 1A-A line;

Fig. 3 is the guide pile leg structure figure among the utility model one embodiment;

Fig. 4 is the composition that hardens of the roll adjustment among the utility model one embodiment;

Fig. 5 is the elevation of the standing screw in the embedding pilework among the utility model one embodiment;

Fig. 6 is a lateral view shown in Figure 5;

Fig. 7 is the covering plate structure figure in the embedding pilework among the utility model one embodiment;

Fig. 8 is the operation chart of the utility model one embodiment.

Referring to Fig. 1 and Fig. 2, the included cylindrical shell of the utility model type mobile precast pile device 1 is made by steel, it comprise a small top and big bottom tapering, cross section is oblong housing 2, the both sides that are the plane at the waist of described housing 2, also be first pair of through hole 3 and second pair of through hole 4 that the two sides of spacing distance minimum have longitudinal separation, described through hole all is flat shaped as frame; The bottom end cover 6 that there is a central term rod 5 center is fixed in the lower end of described housing 2, and the free end of described top rod 5 is tapered; The upper end of described housing 2 removably connects a upper end cover 8 by two wing screws 7, fixes a hold-down screw 9 in the external surface center of described upper end cover 8, also fixes two handles 10 in the appearance of described upper end cover 8.The waist of described housing 2 inside has the place, both sides of described first pair of through hole 3 and second pair of through hole 4 to fix a stiffener 11 respectively, and the through hole that overlaps with described two pairs of through

holes

3 and 4 measure-alike positions is arranged on the described stiffener 11.

Be slidingly matched with described first pair of through hole 3 at described housing 2 interior first pair of slide block 12, second pair of slide block 13 is slidingly matched with described second pair of through hole 4; The T-shaped shape of described each slide block, shape of through holes size on the nose of described slide block and the described housing 2 matches and can slide therein, an alignment pin 14 that protrudes from described slide block soffit is fixed at the monosymmetric lug of the other end of described slide block place respectively, the lug place of described slide block also has a hole respectively, with an end of a pair of spring 15 of fixedly connected a pair of slide block.

Below described every pair of slide block, there are two ends to be fixed in this flat board 16 of supporting on the described stiffener 11 to slide block, all there is a through hole the nearly center of described pair of plates 16, the upper surface of described pair of plates 16 all have four with described each alignment pin 14 that protrudes from the slide block soffit that is supported be slidingly matched so that limit the glide direction of described slide block and the chute 17 of sliding distance.

2 li of described housings, also have one to promote described

slide block

12 and 13 elastic pushing devices 18 in described through

hole

3 and 4 li slips, described elastic pushing device 18 comprises the linkage that is rotationally connected with described center push rod 19 respectively that a center push rod 19 is identical with two groups of structures, described center push rod 19 is installed in the central through hole of described pair of plates 16 slidably, the described lever arm 20 of organizing respectively that linkage comprises that a pair of one end intersects and being rotationally connected with described center push rod 19, a pair of one end is rotationally connected with the other end of a described lever arm 20 respectively and fixed arm 21 that the other end has an end of lug to fixedly connected with described slide block respectively, and the described spring 15 that is connected with the described through hole at the corresponding two lug places of described a pair of slide block respectively of a pair of its each two ends.The described center push rod upper end one handle 22 that is threaded, the lower end stop nut 23 that is threaded.Described device 18 promote described after each fully stretches slide block, described each to lever arm 20 each position in line just in time, so unless firmly spur described center push rod 19, described each can not shrink slide block, so the 18 energy self-lockings of described device.

Referring to Fig. 3, this is the included location footing 24 of the utility model type mobile precast pile device.Described location footing 24 is made by steel, it comprises that an end is tapered, the threaded elongate rod 29 of the other end, both sides, near middle place in described elongate rod 29 are fixed a metal sheet 25 respectively, and the diameter of the described hold-down screw 9 on the cross-sectional diameter at the screw thread place of described elongate rod 29 and the described upper end cover 8 of described cylindrical shell 1 is close.

Referring to Fig. 4, this is the included roll adjustment plate 26 of the utility model type mobile precast pile device, it is to be made by channel-section steel, has three width to be slightly larger than the cross-sectional diameter at described elongate rod 29 screw thread places on its bottom surface so that can hold the end of thread of described elongate rod 29 and the slotted hole 27 of the end of thread of described hold-down screw 9.

Referring to Fig. 5 and Fig. 6, this is the standing screw 28 in the embedding pilework that is used with the preformed pile hole of being made by described cylindrical shell 1, described standing screw 28 comprises the

flat board

29 and 30 of the parallelogram that two thickness are more smaller than described slide block thickness, described first flat board 29 cooperates with described first pair of slide block 12 formed type holes that are positioned at described preformed pile hole, described second flat board 30 cooperates with described second pair of slide block 13 formed type holes that are positioned at described preformed pile hole, the diagonal distance of two protruding ends when described each dull and stereotyped long-diagonal does not stretch than pairing a pair of slide block is little, but it is bigger than two vertical distances of protruding between the end faces after the pairing a pair of slide block stretching, extension, stop further rotational displacement so that after described flat board is put in the pairing type hole, can be stuck, described dull and stereotyped 29 and 30 width is less than the width of the slide block protruding end of described correspondence, promptly less than the lateral dimension in above-mentioned type hole; Described standing screw 28 also comprises one by the center of described first flat board 29 and the screw rod 31 of fixedlying connected with it, one end of described screw rod 31 is connected with the center fixation of described second flat board 30, the other end has screw thread, described two flat boards 29 after fixing and 30 longitudinal separation distance equal described two pairs of through holes 3 on the described

housing

2 and 4 longitudinal separation distance, and the length of described screw rod 31 is greater than the longitudinal extent of described housing 2; Two pairs of support strip 34 of fixing welding are to keep described each relative position dull and stereotyped and described screw rod between described arbitrary flat board and the described screw rod 31.

Referring to Fig. 7, cover plate 32 is metal plates, there is the through hole 33 of a diameter than described screw rod 31 slightly larger in diameter of described standing screw 28 centre of described cover plate 32, described cover plate is put into the preformed pile hole and is covered on the described preformed pile hole after cooperating the location with corresponding type hole in the described preformed pile hole and the end of thread of fair described screw rod 31 protrudes from described through hole 33 described dull and stereotyped 29 and 30 at described standing screw 28, and the area of described cover plate 32 is greater than the maximum cross-section area of described cylindrical shell 1.

Below in conjunction with Fig. 8 the method for operating of the utility model one embodiment is done an explanation: as four embedding stakes will be set, at first dig pit in the place of establishing embedding stake by designing requirement, elastic pushing device 18 by 1 li of cylindrical shell stretches out outside the housing 3 two pairs of

slide blocks

12 and 13, behind the closed upper end lid 8 cylindrical shell 1 is put in institute digs pit.Then according to designing requirement, two pairs of location footings 24 are squeezed in the other ground, hole, each to location footing 24 by its end of thread with the axis of the slotted hole 27 of 26, blocks of roll adjustment plates 26 of the fixedly connected roll adjustment plate of nut the center of a pair of embedding position by designing requirement just in time.Hold-down screw 9 on the cylindrical shell 1 passes the slotted hole 27 on the roll adjustment plate 26, and with nut that itself and roll adjustment plate 26 is fixing.The relative position of each cylindrical shell has been fixed on the position of designing requirement at this moment.Then the hole in placing of concrete, about four hours with its dismounting.When extracting cylindrical shell 1, must by center push rod 19

slide block

12 and 13 be taken in the tube earlier.Under severe cold environment, add and also can suitably heat to improve work efficiency man-hour 1 li of cylindrical shell.After treating that the preformed pile hole is solidified fully, standing screw 28 is put into the preformed pile hole, its

middle plateform

29 and 30 is aimed at first pair of slide block 12 and second pair of slide block 13 formed type hole in the preformed pile hole, and rotates an angle and make its chucking, and at this moment the end of thread of screw rod 31 is above ground level.Again cover plate 32 is placed on the preformed pile hole, and make the end of thread of screw rod 31 protrude from through hole 33 on the cover plate 32.The equipment that will fix is connected with the end of thread of screw rod 31 at last.

In the above-described embodiments, described one group of lever arm 20 is sides that place described center push rod 9, but described one group of lever arm 20 also can place in the slotted eye that is opened on the described center push rod 9, and the lever arm 20 that promotes described a pair of slide block in addition also can be made up of two pairs of lever arms that place described center push rod 9 relative both sides respectively.

In the above-described embodiments, described cylindrical shell 1 is made by ferrous materials, but also other metal material such as available aluminium alloys is made.

Identical numbering in institute's drawings attached is all represented identical parts or structure.

Claims

1, a kind of type mobile precast pile device comprises cylindrical shell, location footing and metal roll adjustment plate, it is characterized in that, its cylindrical shell comprise one up big and down small have tapering, cross section is both sides oblong, that the waist place is the plane and has the first pair of through hole of longitudinal separation and the housing of second pair of through hole; The bottom end cover that there is a central term rod center is fixed in the lower end of housing, and the upper end of housing removably connects the upper end cover that there is a hold-down screw center by screw: the internal activity ground of housing is installed and can synchronously be promoted and lock the elastic pushing device two pairs of slide blocks, that comprise a center push rod and connected two groups of linkages that matches with two pairs of clear size of opening respectively, also can slide therein.

2, type mobile precast pile device according to claim 1, it is characterized in that, the all T-shaped shape of two pairs of slide blocks in the cylindrical shell, the geomery of the through hole that is mated on the geomery of the nose of slide block and the housing matches, an alignment pin that protrudes from the slide block soffit is fixed at the monosymmetric lug of slide block other end place respectively, and each lug place of slide block also has a hole that connects spring respectively.

3, type mobile precast pile device according to claim 2, it is characterized in that, the both sides place that the waist of enclosure interior is the plane fixedly have respectively the through hole identical with each clear size of opening of housing, that the position overlaps, and can limit the laterally mobile stiffener of each slide block; Have below every pair of slide block two ends be fixed on the stiffener and support this flat board to slide block, each dull and stereotyped upper surface has four and is slidingly matched with each alignment pin that protrudes from the slide block soffit that is supported so that the chute that the directed set a distance of slide block slides, and the nearly center of each flat board also has a through hole.

4, type mobile precast pile device according to claim 3, it is characterized in that, elastic pushing device in the housing comprises the linkage that is rotationally connected with center push rod respectively that a center push rod is identical with two groups of structures, the lever arm that each linkage comprises that a pair of above one end intersects and is rotationally connected with center push rod, a pair of above one end is rotationally connected with the other end of lever arm respectively and fixed arm that the other end has an end of lug to fixedly connected with a slide block respectively, and the spring that is connected with the through hole at the corresponding two lug places of a pair of slide block respectively of a pair of its two ends; Center push rod is installed in the through hole that is fixed in the pair of plates on the stiffener versatilely, the center push rod upper end one handle that is threaded, the lower end stop nut that is threaded.

5, type mobile precast pile device according to claim 1 is characterized in that, described location footing comprises holds tapered, the threaded elongate rod of the other end one by one, and the metal sheet that is individually fixed in the relative both sides at the nearly middle place of elongate rod.

6, type mobile precast pile device according to claim 1 is characterized in that, the roll adjustment plate is one to have the metal channel-shaped elements that three width are slightly larger than the slotted hole of footing screw thread place, location cross-sectional diameter on the bottom surface.

7, type mobile precast pile device according to claim 1, it is characterized in that, the metal embedded stake that is used with the preformed pile device comprises a standing screw and a cover plate, and standing screw comprises that two size shapes match so that standing screw is fixed in flat board in the hole, parallelogram with the formed type hole that is positioned in the preformed pile hole of pairing a pair of slide block respectively; One by described first dull and stereotyped center and with first flat board is fixedly connected, that an end is connected with second dull and stereotyped center fixation, the other end is threaded, make two flat boards longitudinal separation distance equal two pairs of through holes on the housing the longitudinal separation distance and length greater than the screw rod of the longitudinal extent of housing; A pair of above two ends respectively with a flat board and screw rod fixed engagement to keep each dull and stereotyped and the orthogonal support strip of screw rod; Cover plate be have in the middle of one one can hold screw rod through hole, area is greater than the flat board of cylindrical shell maximum cross section.