CN207914719U - Hydraulic disengaging tooling for rivet and boxing nut - Google Patents

Abstract

The utility model discloses the hydraulic disengaging toolings for rivet and boxing nut, including pedestal, the pedestal includes transverse slat and riser, the support column for being used to support pending workpiece is vertically connected on transverse slat, vertical connection is useful for the limiting device that axis direction to workpiece to be handled is limited on riser, hydraulic cylinder is also vertically connected on riser, and the piston rod of hydraulic cylinder is connected with cutoff knife rack by connecting pin, and the cutter that rivet or boxing nut are dismantled on to workpiece to be handled is connected on cutoff knife rack.The utility model can improve rivet, boxing nut forcible entry efficiency, reduce the damage to connector during dismantling, ensure the quality subsequently connected, eliminate orcible entry frock and meet wild environment operation to the dependence of electric power.

Description

Hydraulic disengaging tooling for rivet and boxing nut

Technical field

The utility model belongs to part connection and maintenance technique field, and in particular to a kind of for rivet and boxing nut Hydraulic disengaging tooling.

Background technology

The case where rivet, boxing nut, spot welding nut etc. need forcible entry can be often encountered in repair and manufacturing field.For example, Connect in such a way that rivet or bolt add boxing nut between railway freight-car 120/120-1 air shut-off valves protective cover and upper cover It connects, since 120/120-1 air shut-off valves are the important components of railway freight-car safe operation, often need to be overhauled or be replaced, This just need by protective cover rivet or boxing nut forcible entry.For example, railway freight-car coupler buffer unit is in maintenance process, Couple yoke supporting plate bolt and nut must be dismantled, since a little bolt and nut service conditions in this position are severe, frequent rust joint is serious, and dismounting is tired Difficulty, or even can not dismantle, this just needs to dismantle nut.For another example in the manufacture of large-scale load truck vehicle frame, riveting It is most common fastening means, in the practical fabrication stage, because of riveting mistake existing for more than riveting location, implements change in design, each Class formation failure does over again, reprocess and for different customer demands repacking etc., be required for dismantling rivet.

Currently, for it is this kind of forcible entry generally use be bore striking, carve rush method, annulus dismounting method, annular groove rive method and O2-C2H2 cutting method；The main problem of this kind of forcible entry method is in decomposable process, connecting portion will be caused nothing occur when serious Method continues to rivet or the problems such as gap influences performance occurs after riveting, and used tool is numerous in the forcible entry of all kinds of riveting parts It is more, riveting parts are taken and easily damaged, riveting pore size is increased.

Utility model content

The purpose of this utility model is to provide a kind of hydraulic disengaging toolings for rivet and boxing nut, existing to solve There are the problem of technology, the utility model that can improve rivet, boxing nut forcible entry efficiency, reduce during dismantling to connector Damage ensures the quality subsequently connected, eliminates orcible entry frock and meets wild environment operation to the dependence of electric power.

In order to achieve the above objectives, the utility model adopts the following technical solution：

For the hydraulic disengaging tooling of rivet and boxing nut, including pedestal, the pedestal includes transverse slat and riser, transverse slat On be vertically connected with the support column for being used to support pending workpiece, vertical connection is useful for axis side to workpiece to be handled on riser To the limiting device limited, hydraulic cylinder is also vertically connected on riser, and the piston rod of hydraulic cylinder is by connecting pin connection There is cutoff knife rack, the cutter that rivet or boxing nut are dismantled on to workpiece to be handled is connected on cutoff knife rack.

Further, the support column is supporting studs, and screw-thread bush is arranged in supporting studs.

Further, the limiting device includes the fastening stud being connected on riser and is connected to fastening stud end The branch fastener in portion.

Further, the hydraulic cylinder is fixed on the upside of fastening stud.

Further, the connecting pin is rectangular connecting pin.

Further, the cutoff knife rack is U-shaped, and the cutter includes the cutter body being located in cutoff knife rack U-type groove And the positioning and guiding bar for cutter body and U-type groove to be connected.

Further, the junction of transverse slat and riser is symmetrically arranged with two pieces of floors.

Compared with prior art, the utility model has technique effect beneficial below：

The orcible entry frock clamped one time of the utility model can dismantle the rivet on multiple same straight lines, once can be real into grade The rivet of existing different-diameter or bolt forcible entry, it is simple and compact for structure, it can be significantly improved compared to traditional rivet forcible entry mode It dismantles efficiency, reduce labor intensity, cutter, the hydraulic cylinder that the rivet forcible entry special tooling of the utility model uses are replaceable, answer It is wide with range, corresponding cutter and hydraulic cylinder can be designed according to the diameter difference of forcible entry type and connector, and hydraulic cylinder exports Power configuration is larger, disclosure satisfy that the gapless forcible entry of rivet within the scope of 5~50mm；The hydraulic cylinder and cutter of orcible entry frock are replaced, The rivet and bolt of different-diameter and material can be dismantled, the utility model realizes the broken of rivet or boxing bolt using shearing force It tears open, forcible entry is realized by the fracture of manufactured head or bolt head, not connecting hole, there is no the accidental injurys bored in striking, to ensureing to connect Connecing pore size has remarkable effect, and it is that power source is not necessarily to electric power, gas station etc. that hydraulic hand-pump, which can be used, in the utility model, can be in incapability It is used under the environment of source, it is highly beneficial in external environment out of office.

Further, the utility model can adjust pending workpiece and hang down by the way that supporting studs and screw-thread bush is arranged The upward position of histogram.

Further, the utility model can adjust pending workpiece in level by the way that fastening stud and branch fastener is arranged Position on direction.

Further, it can ensure that cutoff knife rack will not be turned over along the centre of gyration of connecting pin by using rectangular connecting pin Turn.

Description of the drawings

Fig. 1 is the wrong riveting schematic diagram of the utility model；

Fig. 2 is that the rivet interlacement of the utility model dismantles schematic diagram；

Fig. 3 is that the bolt of the utility model connects schematic diagram；

Fig. 4 is the overlooking structure diagram of the orcible entry frock of the utility model；

Fig. 5 is the left view structural representation of the rivet orcible entry frock of the utility model；

Fig. 6 is the cutter front view of the utility model；

Fig. 7 is the cutter vertical view of the utility model.

Wherein：1- screws；2- fastening studs；3- floors；4- branch fasteners；5- cutoff knife racks；6- cutters；7- pedestals；8- screw threads Bushing；9- supporting studs；10- connecting pins；11- hydraulic cylinders；12- riveted holes；13- bolts hole；14- cutter bodies；15- positioning is led To bar.

Specific implementation mode

The utility model is described in further detail below in conjunction with the accompanying drawings：

The utility model is mainly used in repair and the maintenance of iron industry of automobile assembly line or daily all kinds of machinery equipments It uses, the connection that can be dismantled includes：Rivet interlacement is bolted, on same straight line there are one or multiple rivets, be bolted need The plate parts etc. to be dismantled.

Referring to Fig. 2-Fig. 7, the utility model dismantles the deficiency of efficiency for existing rivet and boxing screw thread pair, to being connected The problems such as damage of part is larger provides the hydraulic disengaging tooling for rivet and boxing nut, including charged electric hydraulic pump It stands, cutter 6, cutoff knife rack 5, connecting pin 10, branch fastener 4, fastening stud 2, supporting studs 9, hydraulic cylinder 11, floor 3 and pedestal 7 Deng.Hydraulic cylinder 11 is installed and is fixed on pedestal 7 by screw 1；Cutoff knife rack 5 is mounted on tailpiece of the piston rod by rectangular connecting pin 10 Portion is mounted with cutter 6 thereon；Hydraulic cylinder 11 drives cutter 6 by piston rod, and straight line fortune is done along the axis direction of piston rod It is dynamic；Cutter 6 and hydraulic cylinder 11 can design replacement according to size, the material difference of forcible entry rivet；The structure of cutter 6 includes：Cutter The both sides of ontology 14, positioning and guiding bar 15, U-shaped cutoff knife rack are equipped with several location holes, and cutter body 14 can be fixed by being interspersed in Positioning and guiding bar 15 in the hole of position is fixed on the different location of U-shaped cutoff knife rack；When rivet dismantles, pending workpiece is with one end Plane contacts the axially position that workpiece is carried out by adjusting fastening stud 2, cutoff knife rack 5 and cutter 6 with branch fastener 4 by supporting spiral shell The adjusting of column 9 makes it reach one end of rivet, and pressing hydraulic hand-pump makes it drive hydraulic cylinder 11, and then cutter 6 is driven to cut Forcible entry, to complete rivet forcible entry.

The power of the straight-line feed of cutter 6 pushes hydraulic cylinder 11 to supply by electric hydraulic station, and the opposite striking that bores reduces The labor intensity of staff is reduced to the destruction of size for connection, the opposite engraving tool method of rushing, is split relative to annulus dismounting method and annular groove The method of opening improves efficiency.

According to the difference of rivet material, it is by hydraulic cylinder that can design and replace Special cutter and hydraulic cylinder, orcible entry frock power 11 are provided, it can be achieved that the gapless of unlike material rivet dismantles in 5~50mm, using charged electric hydraulic pump to condition depended Property is small；It is provided with loaded on the cutter on U-shaped cutoff knife rack, when forcible entry, cutter is placed in rivet side, it can be achieved that same in 5~50mm The multiple forcible entry of the clamped one time of multiple rivets on one straight line carry when the utility model is suitable for the assembling or repair of machinery equipment Height forcible entry efficiency, reduces labor intensity, reduces environmental pollution, reduce cost.

The utility model embodiment operating process is described in detail below：

Referring to Fig. 1, the beam with longeron due to that need to connect and be attached with other component on vehicle body, therefore there are many need riveting The place connect, such as the riveted holes 12 and bolt hole 13 on Fig. 1, it is illustrated that for wrong riveting phenomenon existing for riveting location multiplexing people.

Referring to Fig. 2, Fig. 3, referring to Fig. 4, Fig. 5, what the utility model embodiment provided dismantles special tooling packet for rivet Include screw 1, fastening stud 2, floor 3, branch fastener 4, cutoff knife rack 5, cutter 6, pedestal 7, screw-thread bush 8, supporting studs 9 are rectangular Connecting pin 10, hydraulic cylinder 11；The tooling can primary feed realize the forcible entry of multiple rivets within the scope of equidirectional 5-50mm.

By rectangular connecting pin 10 on the piston rod of hydraulic cylinder 11, cutter 6 is mounted on cutoff knife rack 5 cutoff knife rack 5, can Installation, removal, replacement is carried out by the targeting part on cutoff knife rack 5, cutter 5 and cutoff knife rack 6 can be driven by hydraulic cylinder 11 at it Move back and forth on axis direction, cutoff knife rack 6 is not allowed to be overturn along the centre of gyration line of rectangular connecting pin 10；Hydraulic cylinder 11 passes through base The mode of axis clearance fit is mounted on pedestal 7, and is fixed on pedestal 7 using screw 1；Screw-thread bush 6 used It is full of the mode of cooperation and pedestal 7 is attached；Floor 3 is fixed on by the way of welding on bottom plate 7.

Supporting studs 9 are connect with screw-thread bush 8, can vertically be moved up and down；Fastening stud 2 is connect with pedestal 7, can It moves left and right in the horizontal direction.

When carrying out rivet or the forcible entry of boxing nut, first passes through hydraulic cylinder 11 and cutoff knife rack 6 is pushed to take cutter 5 to rivet or ring Nut one end is welded, workpiece is risen by supporting studs 9 and is flushed with 5 small surface of cutter, then fastening stud 2 carries out workpiece left The limit of right direction drags the forcible entry that cutoff knife rack 6 drives cutter 5 to realize rivet or boxing nut finally by hydraulic cylinder 11.

Claims (7)

1. the hydraulic disengaging tooling for rivet and boxing nut, which is characterized in that including pedestal (7), the pedestal (7) includes Transverse slat and riser, are vertically connected with the support column for being used to support pending workpiece on transverse slat, and vertical connection is useful for pair on riser The limiting device that pending axis of workpiece direction is limited also is vertically connected with hydraulic cylinder (11), and hydraulic cylinder on riser (11) piston rod is connected with cutoff knife rack (5) by connecting pin (10), is connected on cutoff knife rack (5) for workpiece to be handled The cutter (6) that rivet or boxing nut are dismantled.

2. the hydraulic disengaging tooling according to claim 1 for rivet and boxing nut, which is characterized in that the branch Dagger is supporting studs (9), and screw-thread bush (8) is arranged in supporting studs (9).

3. the hydraulic disengaging tooling according to claim 1 for rivet and boxing nut, which is characterized in that the limit Position device includes the fastening stud (2) being connected on riser and the branch fastener (4) for being connected to fastening stud (2) end.

4. the hydraulic disengaging tooling according to claim 1 for rivet and boxing nut, which is characterized in that the hydraulic pressure Cylinder (11) is fixed on the upside of fastening stud (2).

5. the hydraulic disengaging tooling according to claim 1 for rivet and boxing nut, which is characterized in that the connection It is rectangular connecting pin to sell (10).

6. the hydraulic disengaging tooling according to claim 1 for rivet and boxing nut, which is characterized in that described cuts Knife rest (5) is U-shaped, and the cutter (6) includes cutter body (14) in cutoff knife rack (5) U-type groove and for that will cut The positioning and guiding bar (15) that knife ontology is connected with U-type groove.

7. the hydraulic disengaging tooling according to claim 1 for rivet and boxing nut, which is characterized in that transverse slat and perpendicular The junction of plate is symmetrically arranged with two pieces of floors (3).