CN2235362Y

CN2235362Y - Locating universal arm

Info

Publication number: CN2235362Y
Application number: CN 95235268
Authority: CN
Inventors: 张永和
Original assignee: Individual
Current assignee: Individual
Priority date: 1995-12-11
Filing date: 1995-12-11
Publication date: 1996-09-18
Anticipated expiration: 2005-12-11

Abstract

The utility model discloses a positioning universal arm particularly a cantilever of a manipulator. The utility model has the structure that a base is provided with a supporting rod which is provided with a ratchet box which is formed by that a commutating board, a commutating joint, and a commutating joint seat are connected and is arranged on the ratchet box. A wire rope arranged on the commutating board of the end part of the universal arm passes through the universal arm and the ratchet box and is connected at the outer part of the end surface hole arranged in the ratchet box. A ratchet shaft handle is wrenched, the steel wire can be wound tightly and can be loosened. The utility model has the advantages of big regulating range, simple operation and reliable usage, and the utility model can be positioned after the regulation.

Description

The location Universal arm

The utility model relate to a kind of implements by specified angle, assigned address is at the outstanding mechanical cantilever of putting of fixed in space.Be a kind of location Universal arm specifically.

Cantilever uses very extensively in daily life and work, and relatively simple for structure have counterweight, a weight structure cantilever, and promptly counterweight, weight are suspended in the space by rope, cantilever lever, pulley with implements.In addition, modal also have the cross of architectural usefulness to hang.Above the cantilever of these two kinds of structures, can be suspended in implements on the appointed positions of space, but can not transfer the angle that is suspended implements as required, and fixing this angle.The mechanical arm (hand) of computer control can reach above-mentioned requirements fully, but complex structure involves great expense, and general individual and unit limit because of economic capability, are difficult to buy, so are difficult to apply.But in the work that reaches in daily life, for example, certain medicine equipment be placed near some position of human body, check or treat, just these medicine equipments must be pressed specified angle, assigned address is put in that fixed in space is outstanding.

The purpose of this utility model is to overcome the above-mentioned relevant technical deficiency of cantilever, proposes a kind ofly can press specified angle to implements, and assigned address hangs the location Universal arm of putting in fixed in space, and the mechanical arm that its structure is controlled than computer is simple, can significantly reduce costs.

The purpose of this utility model is realized by following technical scheme: this implements are pressed specified angle, assigned address is equipped with support bar at the outstanding location Universal arm of putting of fixed in space on base, be equipped with ratchet box on the support bar.Ratchet box is made up of ratchet casing and ratchet case lid, has covered a blind hole at ratchet box, and support bar is inserted in the blind hole, and ratchet box can be done circumferential transfer around support bar.Universal arm is connected to form by commutation board, commutation joint, commutation joint seat, is installed on the ratchet casing by commutation joint seat.Be positioned on the steel wire rope on the commutation board of Universal arm end, pass Universal arm, ratchet casing, be connected outside the interior ratchet end-face hole of the ratchet box of packing into steel wire rope cutting ferrule and top screw.It is equipped mutually respectively that ratchet, axle positioning sleeve and ratchet box outer pawl axis handle, ratchet shaft handle also are housed in the ratchet box.

Plate moves the pawl axis handle, can become flexible steel wire rope, makes the implements that are fixed on the commutation board adjust position and angle as required.Plate moves the ratchet shaft handle, can tightly wrap steel wire rope, with commutation joint after transferring and commutation board tension, the outstanding space that is placed on of implements that is fixed on the commutation board.

Universal arm can be single armed or multi-arm, the commutation joint that each Universal arm has more piece to flexibly connect.

The support bar of location Universal arm by fixed sleeving, moving casing, tighten oblique cover, tighten part such as nut and constitute.Fixed sleeving is packed in the hole of base, and moving casing is by tightening nut, tightening oblique cover and be fastened in the fixed sleeving.

The commutation joint seat of location Universal arm is installed on the ratchet casing, with the contacted one side of ratchet casing be the plane, another side has the ball bowl, there is through hole at the center.The edge of ball bowl is evenly distributed with 4 round ears, on 2 wherein relative round ears a hole is arranged respectively, the inboard of other 2 round ears, from preceding 2 round ears on identical position, hole, 3～9 dimples evenly distribute in the ball bowl.

The commutation joint of location Universal arm has centre bore, one end of centre bore has the ball bowl, the edge of ball bowl is evenly distributed with 4 round ears, on 2 wherein relative round ears a hole is arranged respectively, the inboard of other 2 round ears, from with preceding 2 round ears on identical position, hole, 3～9 dimples equably distribute in the ball bowl.The centre of commutation joint is a tubular body.The other end of commutation joint centre bore has the awl groove, and its cylindrical is a spheroid.A connecting hole is arranged on the radius of spheroid and axis normal,, to the position of rotating 90 degree, protrude 3～9 positioning heads equably towards ball bowl direction from the commutation pitch diameter with this Kong Weidian.To direction, the direction of awl groove and the positioning head on the spheroid, ball bowl are justified the hole being aligned on the ear from the commutation nodal axisn; Dimple being aligned in connecting hole on the spheroid and the ball bowl.The spheroid that commutates on saving can match with ball bowl or another the ball bowl that commutates on saving on the commutation joint seat, and available connecting axle, nut link together.

The commutation board of location Universal arm is by fixedly commutation board and movable commutation board constitute.Fixedly the one side of commutation board has the semicircle spheroid, and outstanding round platform is arranged on the semicircle spheroid.A connecting hole is arranged on the radius of semicircle spheroid and axis normal,, radially rotate at fixing commutation board on the positions of 90 degree, the positioning head of 2 protrusions is arranged with this Kong Weidian.Fixedly on another end face of commutation board, along even 4～36 the location taper holes that distribute of circumference.Fixedly there are pore and screw hole in the center of commutation board, and pore is an open-work, and screw hole is semi-transparent hole.Pore has an end of semicircle spheroid at fixing commutation board, can pass steel wire rope, and the plumbous head of steel wire rope is blocked by the conical surface of screw hole.Screw hole can be installed into radially the bolt with connecting hole.Movable commutation board has fixed head and loose pin.Fixed head is vertical with the end face of movable commutation board, and the hole that can wear bolt is arranged above, in order to the fastening outstanding implements of putting.Loose pin is by the alignment pin that is positioned in the movable commutation board end-face hole, and spring and the handgrip that is fixed on the alignment pin spindle nose that passes outside the hole with top screw constitute, and movable commutation board is by packing ring, and bolt is connected fixedly on the commutation board.

Steel wire rope one headband of location Universal arm has plumbous head, and its outside is with flexible metal conduit or plastic tube.

The utility model utilization mechanics principle, the spheroid that band protrudes positioning head is cooperated closely with the ball bowl of band dimple, alignment pin on the movable commutation board is cooperated closely with location taper hole on the fixing commutation board, make them can not produce displacement, therefore, can make the Universal arm of adjusting after position, the angle form an integral body, play the location, outstanding effect of putting implements.

The utility model has the advantages that: 1, the scope of location Universal arm transfer is big.Can make Universal arm make circumference and transfer, can Universal arm be transferred up and down by regulating moving casing again, also can make the implements that are fixed on the commutation board carry out the transfer of multiple angles up and down by regulating commutation joint, commutation board around support bar.2, the location Universal arm can be located.It can make the implements that are fixed on the commutation board after adjusting, fixing needed position and angle.The utility model is simple in structure, and is easy to operate, uses reliably, can independently use equipment as installing, and can be used as instrument and meter again, the corollary equipment of medicine equipment.

Accompanying drawing: Fig. 1: the structural representation that is a kind of double-arm location Universal arm.

Fig. 2: be to analyse and observe the location drawing that angle is seen commutation joint seat from B-B.

Fig. 3: the cutaway view that is the commutation joint.

Fig. 4: the cutaway view that is commutation board.

Fig. 5: be the A-A cutaway view.

Embodiment of accompanying drawings:

The installation of location Universal arm divided for four steps carried out.The first step installs commutation board, commutation joint, commutation joint seat, and second step installed the inside and outside part of ratchet box, and the 3rd step installed support bar and base, and the 4th step general assembly is got up.

The first step is passed the fixedly centre bore of commutation board (26) with steel wire rope (in addition flexible metal conduit or plastic tube) (3), and the be fixed conical surface of commutation board (26) screw hole of the plumbous head (2) of steel wire rope blocks.With spring (28), alignment pin (27) is positioned in the hole of movable commutation board (30), and handgrip (29) is positioned on the spindle nose of alignment pin (27), fixes with top screw.With packing ring (32), bolt (31) movable commutation board (30) is connected fixedly on the commutation board (26), with connecting axle (4), packing ring and spring washer (5), nut (6) joint (1) that will commutate, fixedly commutation board (26), bolt (31) couple together.Steel wire rope (in addition flexible metal conduit or plastic tube) (3) is passed a plurality of commutations joints (1) and commutation joint seat (9), with will a commutate joint (1) and commutate and save (9) and be connected in turn of connecting axle (4) packing ring and spring washer (5), nut (6).

Second step was contained in positioning sleeve (25) and ratchet (11) in the ratchet casing (10) with pawl axis (8), with top screw (22) ratchet (11) was fixed on the pawl axis (8), and pawl axis handle (7) is positioned on the pawl axis (8), fixes with top screw.With ratchet shaft (20) positioning sleeve (21), key (24) ratchet (12) are contained in the ratchet casing (10), ratchet shaft handle (19) is positioned on the ratchet shaft (20), fixes with top screw.

The 3rd step was contained in fixed sleeving (17) in base (18) hole, fixed with top screw.Moving casing (14) is contained in fixed sleeving (17) hole, tightens oblique cover (16) moving casing (14) is fixed in the fixed sleeving (17) with tightening nut (15).

The 4th step, steel wire rope (3) is passed the end-face hole of ratchet casing (10) hole and ratchet (12), block with steel wire rope cutting ferrule (23) and top screw, be connected outside ratchet (12) end-face hole.Be fixed on the ratchet casing (10) with the bolt joint seat (9) that will commutate.With bolt ratchet case lid (13) is contained on the ratchet casing (10).Moving casing (14) is inserted in ratchet case lid (13) hole, fix with top screw.

Among this embodiment, tightening oblique cover (16) needs to adopt plastic material to make.Commutation joint (1), commutation joint seat (9), ratchet casing (10), ratchet case lid (13), positioning sleeve (21,25), fixedly commutation board (26), movable commutation board (30) can adopt plastic material or aluminum alloy materials to make.

Among this embodiment, the location Universal arm is double-arm, 60 centimetres of brachiums, arm is high 70 centimetres～and 120 centimetres, the both arms level is regulated 120 centimetres of diameters, and maximum roll adjustment is 60 centimetres between both arms, 40 centimetres～150 centimetres of both arms height roll adjustments, the Medical Instruments of two each 2.5 kiloponds can be placed on the relative position across human body is outstanding, the people is treated.

Claims

1, a kind of implements are pressed specified angle, assigned address is at the outstanding location Universal arm of putting of fixed in space, be equipped with support bar on the base, be equipped with ratchet box on the support bar, it is characterized in that Universal arm is by commutation board, the commutation joint, commutation joint seat connects to form, be installed on the ratchet casing, be installed in the steel wire rope on the commutation board of Universal arm end, pass Universal arm, the ratchet casing, be connected outside the ratchet end-face hole in the ratchet box of packing into steel wire rope cutting ferrule and top screw, ratchet also is housed in the ratchet box, axle, positioning sleeve, with the outer pawl axis handle of ratchet box, the ratchet shaft handle is equipped mutually respectively.

2, according to the described location of claim 1 Universal arm, it is characterized in that being installed in Universal arm on the ratchet casing and be single armed or multi-arm.

3, according to the described location of claim 1 Universal arm, it is characterized in that commutation joint seat is installed on the ratchet casing, with the contacted one side of ratchet casing be the plane, another side has the ball bowl, there is through hole at the center, the edge of ball bowl is evenly distributed with 4 round ears, on 2 wherein relative round ears a hole is arranged respectively, the inboard of other 2 round ears 3～9 dimples that distribute equably in the ball bowl.

4, location according to claim 1 Universal arm, it is characterized in that, one end of commutation joint centre bore has the ball bowl, the edge of ball bowl is evenly distributed with 4 round ears, 2 wherein relative round ears respectively have a hole, the inboard of other 2 round ears 3～9 dimples that evenly distribute in the ball bowl, and the commutation joint centre bore other end has the awl groove, its cylindrical is a spheroid, and the positioning head of connecting hole and protrusion is arranged on the spheroid.

5, location according to claim 1 Universal arm, it is characterized in that commutation board is by fixedly commutation board and movable commutation board constitute, fixedly there are the hole of reeve and the silk hole of construction bolt in the center of commutation board, fixedly the one side of commutation board is the semicircle spheroid, the positioning head that connecting hole and protrusion are arranged on the semicircle spheroid, fixedly on another end face of commutation board, along even 4～36 the location taper holes that distribute of circumference, have fixed head and loose pin above the movable commutation board, with bolt activity change 94 to coil and fixedly commutation board link together.