US438899A - Pile-driver-hammer guide - Google Patents
Pile-driver-hammer guide Download PDFInfo
- Publication number
- US438899A US438899A US438899DA US438899A US 438899 A US438899 A US 438899A US 438899D A US438899D A US 438899DA US 438899 A US438899 A US 438899A
- Authority
- US
- United States
- Prior art keywords
- hammer
- pile
- driver
- piece
- rope
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 12
- 239000002184 metal Substances 0.000 description 10
- 229910052751 metal Inorganic materials 0.000 description 10
- 239000002965 rope Substances 0.000 description 10
- 229910052742 iron Inorganic materials 0.000 description 6
- 239000002023 wood Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000000717 retained Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
- E02D7/02—Placing by driving
- E02D7/04—Hand (-actuated) pile-drivers
Definitions
- the nature of my invention is that of attaching to the upper end of the hammer of an ordinary pile-driver a staff or handle or guide of wood or metal, extending a greater or less distanceupward between theginns,orpairof upright hammer-guides, and bearing a staple or shackle or other means for attaching the ham mer-lifting rope or chain thereto; and the object is to enable the hammer when it.
- Figure 1 is a side view of my pile-driver with the hammer in the state of having passed below the bed-piece a portion of the distance down which it is possible for it to pass.
- Fig. 2 is a front View of the same with the hammer lowered as far as it has generally hitherto been customary to lower it.
- Figs. 8, 4, and 5 are on a scale of twice the size of the scales in Figs. 1 and 2.
- Fig. 3 is an enlarged side view of the hammer as shown in Fig. 1.
- Fig. 4 is a horizontal cross-sectional view of the hammer at a line which may be supposed to be drawn from center to center of the letters L L in Fig. 1.
- Fig. 5 is a similar cross-section above thehammer, whose grained side portions show the hammer-holder guides K K, as hereinafter more particularly explained.
- A, Fig. 1 is the bed-piece or bottom of the pile-driver, made in the usual manner and consisting of a rectangularlydisposed frame of two side beams and two cross ones, with the addition of a rod of iron crossing the frame.
- B B, Fig. 2 is a pair of upright wooden standards, called the ginns or guides, proceeding perpendicularly up from the bed-piece and bearing at their tops a small scaffold or cap, consisting of a piece of plank, on which is placed a sheave-wheel O in appropriate bearings, over which wheel passes the rope or chain (not represented) which raises the hammer.
- a small scaffold or cap consisting of a piece of plank, on which is placed a sheave-wheel O in appropriate bearings, over which wheel passes the rope or chain (not represented) which raises the hammer.
- From the top end of these standards B B proceed diagonally downward a pair of pieces of timber or joists D, Fig. 1, called the ladder. This reaches to the bed-piece A, to which it is firmly attached.
- the ladder is also held to the standards by braces, or, as commonly called, guards, E E E E, Fig.
- dashed lines show the course of a square hole G, whose axis is coincident with that of the hammer, which hole, open at its top, proceeds downward to the distance of about three-fourths (more or less) the length of the hammer. A solid mass of metal is below it.
Description
(NoModeL).
- H. SIAS.
PILE DRIVER HAMMER GUIDE.
No. 438,899. Patented Oct. 21, 1890.
WITNESSES.
ATTORNEY UNITED STATES PATENT OFFICE.
HORACE SIAS, OF BOSTON, MASSACHUSETTS.
PILE-DRIVER-HAMMER GUIDE.
SPECIFICATION forming part of Letters Patent No. 438,899, dated October 21, 1890.
Application filed May 5, 1890. Serial No. 350,685- (No model.)
To. all whom it may concern.-
Be it known that I, HORACE SIAS, a citizen of the United States, residing in Boston, inthe county of Suffolk and State of Massach usetts, have invented a new and useful Pile-Driver- Hammer Guide, of which the following is a specification.
The nature of my invention is that of attaching to the upper end of the hammer of an ordinary pile-driver a staff or handle or guide of wood or metal, extending a greater or less distanceupward between theginns,orpairof upright hammer-guides, and bearing a staple or shackle or other means for attaching the ham mer-lifting rope or chain thereto; and the object is to enable the hammer when it. has reached the bed-piece, or bottom of the ginns, to pass below and beyond this point and still continue to strike the top of the pile in process of being driven, although the top of the said pile may be ten or fifteen (more or less) feet below the bed-piece of the piledriver, thus avoiding the alternative of using an unnecessary length of timber, now necessarily cut off after the piles are driven, and thus wasted.
In the drawings, Figure 1 is a side view of my pile-driver with the hammer in the state of having passed below the bed-piece a portion of the distance down which it is possible for it to pass. Fig. 2 is a front View of the same with the hammer lowered as far as it has generally hitherto been customary to lower it. Figs. 8, 4, and 5 are on a scale of twice the size of the scales in Figs. 1 and 2. Fig. 3 is an enlarged side view of the hammer as shown in Fig. 1. Fig. 4 is a horizontal cross-sectional view of the hammer at a line which may be supposed to be drawn from center to center of the letters L L in Fig. 1. Fig. 5 is a similar cross-section above thehammer, whose grained side portions show the hammer-holder guides K K, as hereinafter more particularly explained.
In the drawings, A, Fig. 1, is the bed-piece or bottom of the pile-driver, made in the usual manner and consisting of a rectangularlydisposed frame of two side beams and two cross ones, with the addition of a rod of iron crossing the frame.
B B, Fig. 2, is a pair of upright wooden standards, called the ginns or guides, proceeding perpendicularly up from the bed-piece and bearing at their tops a small scaffold or cap, consisting of a piece of plank, on which is placed a sheave-wheel O in appropriate bearings, over which wheel passes the rope or chain (not represented) which raises the hammer. From the top end of these standards B B proceed diagonally downward a pair of pieces of timber or joists D, Fig. 1, called the ladder. This reaches to the bed-piece A, to which it is firmly attached. The ladder is also held to the standards by braces, or, as commonly called, guards, E E E E, Fig. 1, fastened, respectively, on each side of the standards B B. (See Fig. 2.) Pieces of sawed board (not rep resented) are attached to the pieces D, respectively passing horizontally from one to the other of the pair at convenient distances, thus forming a ladder by which the sheave-Wheel C may at any time be reached. The part of the combination of devices which is specially of my own invention is now to be described.
F in all the figures is the hammer.
In Figs. 1, 2, and 3 dashed lines show the course of a square hole G, whose axis is coincident with that of the hammer, which hole, open at its top, proceeds downward to the distance of about three-fourths (more or less) the length of the hammer. A solid mass of metal is below it. Into this hole Grpasses thelower end of a piece of timber (sometimes I make it of metal in one or more pieces) H, called the hammer-holder, which timber or metal piece or pieces are firmly fastened to the hammer. This proceeds, in Fig. 1, upward between the ginns B B, say, to the height, when the ginns B- B are thirty feet in length, of eighteen feet, (I sometimes make the length more and sometimes less,) where it carries a staple or iron loop J, Fig. 2, called the rope-staple, to which the rope or chain (not represented) which raises the hammer and the hammerholder H is attached, the rope passing thence over the sheave-wheel O and thence down toward the ground to the crank or the steamengine drum which actuates it. On the front and rear sides of the hammer-holder H are fastened short pieces of wood or of metal K K, (350., (seen in Figs. 2 and 5 in horizontal section,) which are called the hammer-holder guides. Beneath these hammer-holderguides passes a bar of iron L L, Figs. 1 and 3, which is fastened, as seen in Fig. 3, to one side of the hammer F, passes up one side of the hammerholder ll, over the top, where it forms the rope-staple J, Fig. 2, then down the other side of the hammer-holder to the hammer F, as seen in Fig. 3, where it is again firmly fastened.
Operation: The motive power being duly ready for operation, the 11am mer-hoisting rope is passed from the rope-coiling device over the sheave-wheel C, down to the rope-staple J, where it is firmly attached, and the raising and alternate fall of the hammer-holder II, with the hammer F at its lower end, is effected in the usual manner. The pile-driver is supposed to have been erected over a deep trench, straddled by the temporary supports of the pile-driver. It is desired to have the piles when driven reach only to the surfaoeof the bottom of the trench. By the old mode of driving the piles would be hammered down until their tops were level with the lower surface of the bed-piece or bottom piece of the pile driver, and the tops of the piles would then be sawed off at the desired level. These sawed-off tops, having parted with their chief value as lengthening the piles, are comparatively worthless; but with my ham mer-holder, when the top of the pile has got down to the level of the bottom of the pile-driver, I still continuehammering and the pile continues to descend or be driven until when the length of the hammer-holder is, as mentioned above, eighteen feet, myhammer continues to be efficacious when the top of the pile is sixteen feet below the bottom of the pile-driver.
I claim The combination, with a pile-driver, of a hammer built up and lengthened from its upper end by means of a projection passing and sliding between theguides, to which said projection is held by side pieces or hammerholder guides, and which enables the hammer to pass below the bed-piece of the pile-driver and to operate, while a portion of the upper partof the projection is retained between the guides, all substantially as described and shown.
HORACE SIAS.
lVitnesses:
XV. E. BANFIELD, S. G. GREENWOOD.
Publications (1)
Publication Number | Publication Date |
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US438899A true US438899A (en) | 1890-10-21 |
Family
ID=2507800
Family Applications (1)
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US438899D Expired - Lifetime US438899A (en) | Pile-driver-hammer guide |
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US (1) | US438899A (en) |
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- US US438899D patent/US438899A/en not_active Expired - Lifetime
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