CN114671331B - Hydraulic plug pin shaft device - Google Patents

Hydraulic plug pin shaft device Download PDF

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Publication number
CN114671331B
CN114671331B CN202210603136.6A CN202210603136A CN114671331B CN 114671331 B CN114671331 B CN 114671331B CN 202210603136 A CN202210603136 A CN 202210603136A CN 114671331 B CN114671331 B CN 114671331B
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Prior art keywords
limiting
hole
pin shaft
roller
bearing
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CN202210603136.6A
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Chinese (zh)
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CN114671331A (en
Inventor
赵国军
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Hangzhou Chenheng Machinery Technology Co ltd
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Hangzhou Chenheng Machinery Technology Co ltd
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Publication of CN114671331A publication Critical patent/CN114671331A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
    • B66C13/06—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B19/00—Bolts without screw-thread; Pins, including deformable elements; Rivets
    • F16B19/008—Bolts without screw-thread; Pins, including deformable elements; Rivets with sealing means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B19/00—Bolts without screw-thread; Pins, including deformable elements; Rivets
    • F16B19/02—Bolts or sleeves for positioning of machine parts, e.g. notched taper pins, fitting pins, sleeves, eccentric positioning rings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B21/00—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings
    • F16B21/10—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings by separate parts
    • F16B21/16—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings by separate parts with grooves or notches in the pin or shaft
    • F16B21/18—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings by separate parts with grooves or notches in the pin or shaft with circlips or like resilient retaining devices, i.e. resilient in the plane of the ring or the like; Details
    • F16B21/186—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings by separate parts with grooves or notches in the pin or shaft with circlips or like resilient retaining devices, i.e. resilient in the plane of the ring or the like; Details external, i.e. with contracting action

Abstract

The invention relates to the technical field of constructional engineering and discloses a hydraulic pin shaft inserting and pulling device which comprises a bearing mechanism, wherein a crane connecting mechanism is installed at the top of the bearing mechanism, a heavy object connecting mechanism is inserted into the bearing mechanism in an inserting manner, a pin shaft mechanism is inserted between the bearing mechanisms, the bearing mechanism comprises a bearing frame, and a connecting frame is fixedly connected to the top of the bearing frame. This pin axle device is inserted and pulled to hydraulic pressure, be connected with loop wheel machine and heavy object through loop wheel machine coupling mechanism and heavy object coupling mechanism, and push into the position of connecting pin axle through hydraulic means with the connector of sealed tube and connecting pin axle from the stand pipe, then fill into atmospheric pressure through the position of airtight core, promote the kickball through atmospheric pressure, and use the kickball to exert pressure to the anticreep piece, thereby it is spacing with the inside formation of spacing groove to make the top of anticreep piece outwards spread, when avoiding lifting, connecting pin axle breaks away from because of receiving friction and pressure, the effect of promotion pin axle security has been reached.

Description

Hydraulic plug pin shaft device
Technical Field
The invention relates to the technical field of constructional engineering, in particular to a hydraulic pin shaft inserting and pulling device.
Background
The pin shaft is a standard fastener, can be statically and fixedly connected, can also move relative to a connected piece, and is mainly used at the hinged position of two parts to form a hinged connection.
On the construction site, the connecting part of the crane and the heavy object is often connected by using a pin shaft, so that the crane can stably lift the heavy object.
According to the Chinese patent publication number: according to the hydraulic inserting and pulling pin shaft device and the using method thereof disclosed in CN114029719A, the pin shaft is inserted into the lifting device and connected with the weight through the hydraulic device, so that the pin shaft is more convenient to install compared with a manual pin shaft, however, the pin shaft part is a parallel shaft rod, and after the pin shaft is inserted into and lifts the heavy object, the pin shaft can displace under the friction between the weight and the connection part, so that the pin shaft can fall off to cause risks.
It can be seen that a need exists for a hydraulic plug pin shaft apparatus that addresses the above mentioned prior art patent publications: the pin shaft provided in CN114029719A has low safety.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a hydraulic plug pin shaft device which has the advantages of safety, stability and the like and solves the problem of low safety in the background technology.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a hydraulic pin shaft inserting and pulling device comprises a bearing mechanism, wherein a crane connecting mechanism is installed at the top of the bearing mechanism, a heavy object connecting mechanism is inserted into the bearing mechanism in an inserting mode, and a pin shaft mechanism is inserted between the bearing mechanisms;
the bearing mechanism comprises a bearing frame, the top of the bearing frame is fixedly connected with a connecting frame, the outer surface of the connecting frame is provided with a limiting hole, the inner wall of the bearing frame is fixedly connected with a limiting pipe, and the inside of the bearing frame is provided with a limiting groove;
the crane connecting mechanism comprises a lifting rope connecting roller, a supporting limiting groove is formed in the center of the lifting rope connecting roller, a roller shaft limiting hole is formed in the side face of the lifting rope connecting roller, and a limiting screw rod is inserted into the roller shaft limiting hole;
the weight connecting mechanism comprises a bearing block, a positioning groove is formed in the outer surface of the bearing block, a connecting hole is formed in the positioning groove, and a connecting hanging hole is formed in the outer surface of the bearing block;
the hinge pin mechanism comprises a guide pipe, a sealing pipe is inserted into the guide pipe, one end of the sealing pipe is fixedly connected with a limiting ring, an airtight core is installed at the axis of the limiting ring, the other end of the sealing pipe is in threaded connection with a connecting hinge pin, the top end of the connecting hinge pin is movably connected with an anti-falling block, and a jacking ball is placed inside the connecting hinge pin.
When the anti-dropping device is used, the anti-dropping device is respectively connected with a crane and a heavy object through a crane connecting mechanism and a heavy object connecting mechanism, the connecting body of the sealing pipe and the connecting pin shaft is jacked into the position of the connecting pin shaft from the guide pipe through a hydraulic device, then air pressure is charged through the position of the airtight core, the jacking ball is pushed through the air pressure, and the jacking ball is used for applying pressure to the anti-dropping block, so that the top end of the anti-dropping block is outwards diffused to form limiting with the inside of the limiting groove, the connecting pin shaft is prevented from being separated due to friction and pressure when the anti-dropping device is lifted, and the effect of improving the safety of the pin shaft is achieved;
the supporting limiting groove is formed in the axis of the lifting rope connecting roller, the lifting rope of the crane is limited, excessive shaking of the lifting rope is avoided, meanwhile, the roller shaft limiting hole is formed in the side face of the lifting rope connecting roller, when the lifting rope connecting roller does not need to rotate, the lifting rope connecting roller is limited through the insertion fit of the limiting screw rod and the roller shaft limiting hole, sliding of the lifting rope is avoided, the lifting rope is further limited through the limiting screw rod, the lifting rope is prevented from being separated, and the effect of preventing the lifting rope from being separated is achieved;
the positioning groove is formed in the surface of the bearing block, and the connecting hole is formed in the positioning groove, so that when the bearing block is fixed in the bearing frame, the positioning groove is matched with the limiting pipe, the mounting position of the bearing block is unique, the connecting pin shaft can be conveniently inserted into the connecting hole, and the effect of conveniently mounting the pin shaft mechanism is achieved;
the axis of the limiting ring is provided with the airtight core, and the airtight core extends to the inside of the sealing tube, so that the airtight core can fill air pressure into the inside of the connecting pin shaft to push the ejecting ball, the anti-falling block is opened for limiting, and meanwhile, the air pressure in the connecting pin shaft is exhausted by pressing the airtight core again, so that the ejecting ball loses the thrust, the connecting pin shaft can be conveniently drawn out from the inside of the bearing frame, and the effect of conveniently taking out the connecting pin shaft is achieved;
the airtight core mentioned above, such as the airtight head of an automobile tire or the valve core structure of a bicycle, can seal gas after inflation, and can be deflated when applying pressure again, and the limit screw is only used when the lifting rope connecting roller is limited, and does not need to be installed when the lifting rope connecting roller is limited.
Preferably, the bearing frame is U-shaped, the limiting pipes on the inner wall of the bearing frame are bilaterally symmetrical, the holes are formed in the limiting pipes, the holes on the left side penetrate through the left wall of the bearing frame, and the holes on the right side extend to the limiting grooves.
The shape of the bearing frame is arranged for facilitating connection of the counterweight connecting mechanism, the connecting pin shaft can be inserted into the counterweight connecting mechanism to support by arranging the hole, and meanwhile, the limiting groove is arranged for limiting the connecting pin shaft.
Preferably, the front face and the back face of the connecting frame are horizontal to the front face and the back face of the bearing frame, and the limiting holes penetrate through the connecting frame on the front face and the back face respectively.
Set up the link and be used for connecting the lifting rope connecting roll, and set up spacing hole on the link and be used for carrying out spacing support to spacing screw rod, and avoid spacing screw rod to drop through the screw thread of spacing downthehole portion.
Preferably, the both ends of lifting rope connection roller all are provided with the articulated shaft to through the inside swing joint of articulated shaft with the link, both ends overlap joint with the inner wall of both sides around the link respectively around the lifting rope connection roller.
The lifting rope connecting roller is connected by the hinged shaft, so that the lifting rope connecting roller can rotate under the condition of no limitation, the pulling rope of the crane can be conveniently passed, the front end and the rear end of the lifting rope connecting roller are in lap joint with the inner wall of the connecting frame, the length of the hinged shaft is reduced, and the strength of the hinged shaft is improved.
Preferably, the quantity in the spacing hole of roller is a plurality of, and is a plurality of the spacing hole of roller all runs through around the lifting rope connecting roll both sides and with leave the clearance between the axle center that supports the spacing groove, the spacing equidistance circumference permutation in hole of roller, just the clearance in the spacing hole of roller and the clearance looks adaptation in spacing hole.
Set up the spacing hole of a plurality of rollers on the surface of lifting rope connecting roller, thereby when inserting limiting screw, limiting screw can be very convenient insert the inside in the spacing hole of roller spacing carry on spacingly, and set up the position in the spacing hole of roller, thereby conveniently insert two limiting screw simultaneously, strengthen spacing to the lifting rope connecting roller, and leave the clearance between the spacing hole of roller and the support spacing groove, when using thin lifting rope, can pass the clearance and carry out further spacing through limiting screw, avoid the lifting rope to break away from.
Preferably, one end of the limiting screw is provided with threads, the top of the other end of the limiting screw is provided with an inner hexagonal groove, and the limiting screw penetrates through the limiting hole and the roller shaft limiting hole respectively and is in threaded connection with the inner wall of the limiting hole.
Set up the screw thread at limit screw's one end to make limit screw can avoid droing with the inner wall threaded connection in spacing hole, and set up interior hexagonal groove, be used for conveniently rotating limit screw.
Preferably, the bearing block is inserted into a U-shaped groove of the bearing frame, the width of the positioning groove is the same as the diameter of the limiting pipe, and the position of the connecting hole is matched with the position of a hole in the middle of the limiting pipe.
The positioning groove is arranged and matched with the limiting pipe through the positioning groove, so that the position of the bearing block inserted into the bearing frame is unique, the connecting pin shaft is matched with the hole position of the axis of the limiting pipe, and the connecting pin shaft is conveniently inserted.
Preferably, the guide pipe is arranged on the outer surface of the left side of the bearing frame and is coaxial with the hole, and the diameter of the guide pipe is larger than that of the hole.
Set up the stand pipe and be used for supporting the sealed tube to guide hydraulic stem promotes the spacing ring, and make the spacing ring can form spacingly with the outer wall overlap joint of bearing frame, place the connecting pin axle and excessively go deep into.
Preferably, the right side of the limiting ring is lapped with the left side of the bearing frame, the diameters of the sealing tube and the connecting pin shaft are the same, and the connecting pin shaft penetrates through the left side of the bearing frame and the connecting hole and extends to the inside of the limiting groove.
The limiting ring is arranged for increasing the pushing area of the hydraulic rod, and the limiting ring is in lap joint with the outer surface of the bearing frame to limit the inserting depth of the connecting pin shaft.
Preferably, the diameter of top ball equals with the internal diameter of connecting pin axle, the anticreep piece is L shape, and the one end of anticreep piece extends to connecting pin axle's inner wall.
Set the anticreep piece to L shape to make the anticreep piece can be promoted by the kicking ball and outwards expand and want to become spacingly with the spacing groove cooperation, and set up the diameter of kicking ball, thereby make the kicking ball can seal the inside of connecting pin axle when connecting pin axle's inside removes, prevent to leak gas and lead to the anticreep piece to lose the pressure of kicking ball and can not effectually carry on spacingly.
Compared with the prior art, the invention provides a hydraulic plug pin shaft device which has the following beneficial effects:
1. this hydraulic pressure plug pin axle device is connected with loop wheel machine and heavy object through loop wheel machine coupling mechanism and heavy object coupling mechanism to push into the position of connecting pin axle through hydraulic means with the connector of sealed tube and connecting pin axle from the stand pipe, then fill into atmospheric pressure through the position of airtight core, promote the kickball through atmospheric pressure, and use the kickball to exert pressure to the anticreep piece, thereby make the top of anticreep piece outwards spread and the inside formation of spacing groove spacing, when avoiding lifting by crane, the connecting pin axle breaks away from because of receiving friction and pressure, reached the effect that promotes the round pin axle security.
2. This hydraulic pressure plug pin axle device, through set up the support spacing groove in the axle center of lifting rope connecting roller, carry on spacingly to the lifting rope of loop wheel machine, avoid the too much rocking of lifting rope, set up the spacing hole of roller simultaneously in the side of lifting rope connecting roller, when not needing lifting rope connecting roller pivoted, the grafting cooperation through the spacing hole of spacing screw rod and roller carries on spacingly to the lifting rope connecting roller, avoid the lifting rope to slide, and further spacing to the lifting rope is advanced through spacing screw rod, avoid the lifting rope to break away from, reached the effect of avoiding the lifting rope to break away from.
3. This hydraulic pressure plug pin axle device is through seting up the constant head tank on the surface at the bearing block to seting up the connecting hole in the inside of constant head tank, thereby when the bearing block is fixed inside the bearing frame, use constant head tank and spacing pipe to mutually support, thereby make the position of bearing block installation unique, and make the inside of pegging graft connecting hole that the connecting pin axle can be very convenient, reached the effect of pin axle mechanism of easy to assemble.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is an assembly view of the crane attachment mechanism of the present invention;
FIG. 4 is an assembly view of the load bearing mechanism, the weight connecting mechanism and the pin mechanism of the present invention;
FIG. 5 is a cross-sectional view of the position of a limit tube of the load bearing frame of the present invention;
FIG. 6 is a schematic view of the structure of FIG. 5 at A in accordance with the present invention;
FIG. 7 is a schematic view of the anti-separation block structure of the present invention;
FIG. 8 is a schematic view of the structure of the airtight core of the present invention;
FIG. 9 is an assembly view of the sealing tube and connecting pin of the present invention;
fig. 10 is a cross-sectional view of the pin mechanism of the present invention.
Wherein: 1. a load bearing mechanism; 101. a load-bearing frame; 102. a connecting frame; 103. a limiting hole; 104. a limiting pipe; 105. a limiting groove; 2. a crane connection mechanism; 201. a lifting rope connecting roller; 202. supporting the limiting groove; 203. a roll shaft limiting hole; 204. a limit screw; 3. a weight connecting mechanism; 301. a bearing block; 302. positioning a groove; 303. connecting holes; 304. connecting the hanging holes; 4. a pin mechanism; 401. a guide tube; 402. a sealing tube; 403. a limiting ring; 404. an airtight core; 405. connecting a pin shaft; 406. an anti-drop block; 407. and (4) ejecting the ball.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Detailed description of the invention
The present embodiment is an embodiment of a hydraulic plug pin shaft device.
Referring to fig. 1-10, a hydraulic pin shaft inserting and pulling device includes a bearing mechanism 1, a crane connecting mechanism 2 is installed on the top of the bearing mechanism 1, a weight connecting mechanism 3 is inserted into the bearing mechanism 1, and a pin shaft mechanism 4 is inserted between the bearing mechanisms 1;
the bearing mechanism 1 comprises a bearing frame 101, the top of the bearing frame 101 is fixedly connected with a connecting frame 102, the outer surface of the connecting frame 102 is provided with a limiting hole 103, the inner wall of the bearing frame 101 is fixedly connected with a limiting pipe 104, and the inside of the bearing frame 101 is provided with a limiting groove 105;
the crane connecting mechanism 2 comprises a lifting rope connecting roller 201, a supporting limiting groove 202 is formed in the center of the lifting rope connecting roller 201, a roller shaft limiting hole 203 is formed in the side face of the lifting rope connecting roller 201, and a limiting screw 204 is inserted into the roller shaft limiting hole 203;
the weight connecting mechanism 3 comprises a bearing block 301, a positioning groove 302 is formed in the outer surface of the bearing block 301, a connecting hole 303 is formed in the positioning groove 302, and a connecting hanging hole 304 is formed in the outer surface of the bearing block 301;
the pin mechanism 4 comprises a guide tube 401, a sealing tube 402 is inserted into the guide tube 401, a limit ring 403 is fixedly connected to one end of the sealing tube 402, an airtight core 404 is installed at the axis of the limit ring 403, a connecting pin shaft 405 is connected to the other end of the sealing tube 402 in a threaded manner, an anti-falling block 406 is movably connected to the top end of the connecting pin shaft 405, and a top ball 407 is placed inside the connecting pin shaft 405.
Through the technical scheme, when the anti-dropping device is used, the anti-dropping device is connected with a crane and a heavy object through the crane connecting mechanism 2 and the heavy object connecting mechanism 3 respectively, the connecting body of the sealing tube 402 and the connecting pin shaft 405 is jacked into the position of the connecting pin shaft 405 from the guide tube 401 through a hydraulic device, then air pressure is filled through the position of the airtight core 404, the jacking ball 407 is pushed through the air pressure, and the jacking ball 407 is used for pressing the anti-dropping block 406, so that the top end of the anti-dropping block 406 is diffused outwards to form limiting with the interior of the limiting groove 105, the phenomenon that the connecting pin shaft 405 is separated due to friction and pressure when the anti-dropping device is lifted is avoided, and the effect of improving the safety of the pin shaft is achieved;
the supporting limiting groove 202 is formed in the axis of the lifting rope connecting roller 201, the lifting rope of the crane is limited, excessive shaking of the lifting rope is avoided, meanwhile, the roller shaft limiting hole 203 is formed in the side face of the lifting rope connecting roller 201, when the lifting rope connecting roller 201 does not need to rotate, the lifting rope connecting roller 201 is limited through the insertion and connection matching of the limiting screw 204 and the roller shaft limiting hole 203, sliding of the lifting rope is avoided, the lifting rope is further limited through the limiting screw 204, the lifting rope is prevented from being separated, and the effect of preventing the lifting rope from being separated is achieved;
the positioning groove 302 is formed in the surface of the bearing block 301, the connecting hole 303 is formed in the positioning groove 302, so that when the bearing block 301 is fixed in the bearing frame 101, the positioning groove 302 and the limiting pipe 104 are matched with each other, the mounting position of the bearing block 301 is unique, the connecting pin shaft 405 can be conveniently inserted into the connecting hole 303, and the effect of conveniently mounting the pin shaft mechanism 4 is achieved;
the axis of the limit ring 403 is provided with the airtight core 404, and the airtight core 404 extends to the inside of the sealing tube 402, so that the airtight core 404 can fill the inside of the connecting pin shaft 405 with air pressure to push the top ball 407, the anti-falling block 406 is opened for limiting, meanwhile, the airtight core 404 is pressed again, the air pressure inside the connecting pin shaft 405 is discharged, the top ball 407 loses the thrust, the connecting pin shaft 405 can be conveniently pulled out from the inside of the bearing frame 101, and the effect of conveniently taking out the connecting pin shaft 405 is achieved.
Specifically, the bearing frame 101 is U-shaped, the limiting pipes 104 on the inner wall of the bearing frame 101 are symmetrical left and right, and the limiting pipes 104 are provided with holes inside, the holes on the left side penetrate through the left wall of the bearing frame 101, and the holes on the right side extend to the limiting grooves 105.
Through the technical scheme, the shape of the bearing frame 101 is set for facilitating connection of the counterweight connecting mechanism 3, the connecting pin shaft 405 can be inserted into the counterweight connecting mechanism 3 to support through the hole, and meanwhile the limiting groove 105 is arranged for limiting the connecting pin shaft 405.
Specifically, the front and back surfaces of the connecting frame 102 are horizontal to the front and back surfaces of the load-bearing frame 101, and the limiting holes 103 respectively penetrate through the connecting frame 102 on the front and back surfaces.
Through the technical scheme, the connecting frame 102 is arranged and used for connecting the lifting rope connecting roller 201, the connecting frame 102 is provided with the limiting hole 103 which is used for limiting and supporting the limiting screw 204, and the limiting screw 204 is prevented from falling off through the threads in the limiting hole 103.
Specifically, the two ends of the lifting rope connecting roller 201 are both provided with hinged shafts, and are movably connected with the inside of the connecting frame 102 through the hinged shafts, and the front end and the rear end of the lifting rope connecting roller 201 are respectively lapped with the inner walls of the front side and the rear side of the connecting frame 102.
Through above-mentioned technical scheme, use the articulated shaft to connect lifting rope connection roller 201 to make lifting rope connection roller 201 can rotate under the condition of not restricting, thereby conveniently pass the haulage rope of loop wheel machine, and both ends and link 102's inner wall overlap joint around lifting rope connection roller 201, thereby reduce the length of articulated shaft, promote the intensity of articulated shaft.
Specifically, the number of the roller shaft limiting holes 203 is a plurality of, the plurality of roller shaft limiting holes 203 all penetrate through the front side and the rear side of the lifting rope connecting roller 201 and leave a gap between the axes of the supporting limiting grooves 202, the roller shaft limiting holes 203 are arranged in an array in an equidistant circumference mode, and the gap of the roller shaft limiting holes 203 is matched with the gap of the limiting holes 103.
Through the technical scheme, the surface at lifting rope connection roller 201 sets up the spacing hole 203 of a plurality of rollers, thereby when inserting limit screw 204, limit screw 204 can be very convenient insert the inside of the spacing hole 203 of roller spacing hole spacing, and set up the position of the spacing hole 203 of roller, thereby conveniently insert two limit screw 204 simultaneously, strengthen the spacing to lifting rope connection roller 201, and the spacing hole 203 of roller and support spacing groove 202 between leave the clearance, when using thin lifting rope, can pass the clearance and carry out further spacing through limit screw 204, avoid the lifting rope to break away from.
Specifically, one end of the limit screw 204 is provided with a thread, the top of the other end is provided with an inner hexagonal groove, and the limit screw 204 respectively penetrates through the limit hole 103 and the roll shaft limit hole 203 and is in threaded connection with the inner wall of the limit hole 103.
Through the technical scheme, the threads are arranged at one end of the limiting screw 204, so that the limiting screw 204 can be in threaded connection with the inner wall of the limiting hole 103 to avoid falling off, and an inner hexagonal groove is formed for conveniently rotating the limiting screw 204.
Specifically, the bearing block 301 is inserted into the U-shaped groove of the bearing frame 101, the width of the positioning groove 302 is the same as the diameter of the limiting tube 104, and the position of the connecting hole 303 is matched with the position of the hole in the middle of the limiting tube 104.
Through the technical scheme, the positioning groove 302 is arranged and is matched with the limiting pipe 104 through the positioning groove 302, so that the position of the bearing block 301 inserted into the bearing frame 101 is unique, the hole positions of the connecting pin shaft 405 and the axis of the limiting pipe 104 are matched, and the connecting pin shaft 405 is conveniently inserted.
Specifically, the guide tube 401 is installed on the outer surface of the left side of the load-bearing frame 101 and is coaxial with the hole, and the diameter of the guide tube 401 is larger than that of the hole.
Through the technical scheme, the guide pipe 401 is arranged for supporting the sealing pipe 402, the hydraulic rod is guided to push the limiting ring 403, the limiting ring 403 can be lapped with the outer wall of the bearing frame 101 to form limiting, and the connecting pin shaft 405 is placed to be excessively deep.
Specifically, the right side of the limiting ring 403 is overlapped with the left side of the bearing frame 101, the diameter of the sealing tube 402 is the same as that of the connecting pin 405, and the connecting pin 405 penetrates through the left side of the bearing frame 101 and the connecting hole 303 and extends into the limiting groove 105.
Through the technical scheme, the limiting ring 403 is arranged to be used for lifting the pushing area of the hydraulic rod, the limiting ring 403 is in lap joint with the outer surface of the bearing frame 101, and the inserting depth of the connecting pin shaft 405 is limited.
Specifically, the diameter of the top ball 407 is equal to the inner diameter of the connecting pin 405, the anti-slip block 406 is L-shaped, and one end of the anti-slip block 406 extends to the inner wall of the connecting pin 405.
Through above-mentioned technical scheme, set anticreep piece 406 into L shape to make anticreep piece 406 can be promoted by kicking ball 407 and outwards expand and want to become spacingly with spacing groove 105 cooperation, and set up the diameter of kicking ball 407, thereby make kicking ball 407 seal the inside of connecting pin axle 405 when connecting pin axle 405's inside removes, prevent gas leakage and lead to anticreep piece 406 to lose the pressure of kicking ball 407 and can not effectually carry out spacingly.
When the anti-dropping device is used, the connecting body of the sealing tube 402 and the connecting pin shaft 405 is jacked into the position of the connecting pin shaft 405 from the guide tube 401 through the hydraulic device, then air pressure is charged through the position of the airtight core 404, the jacking ball 407 is pushed through the air pressure, and the jacking ball 407 is used for pressing the anti-dropping block 406, so that the top end of the anti-dropping block 406 is diffused outwards to form limit with the interior of the limiting groove 105, the connecting pin shaft 405 is prevented from being separated due to friction and pressure during lifting, and the effect of improving the safety of the pin shaft is achieved;
the supporting limiting groove 202 is formed in the axis of the lifting rope connecting roller 201, the lifting rope of the crane is limited, excessive shaking of the lifting rope is avoided, meanwhile, the roller shaft limiting hole 203 is formed in the side face of the lifting rope connecting roller 201, when the lifting rope connecting roller 201 does not need to rotate, the lifting rope connecting roller 201 is limited through the insertion and connection matching of the limiting screw 204 and the roller shaft limiting hole 203, sliding of the lifting rope is avoided, the lifting rope is further limited through the limiting screw 204, the lifting rope is prevented from being separated, and the effect of preventing the lifting rope from being separated is achieved;
the positioning groove 302 is formed in the surface of the bearing block 301, the connecting hole 303 is formed in the positioning groove 302, so that when the bearing block 301 is fixed in the bearing frame 101, the positioning groove 302 and the limiting pipe 104 are matched with each other, the mounting position of the bearing block 301 is unique, the connecting pin shaft 405 can be conveniently inserted into the connecting hole 303, and the effect of conveniently mounting the pin shaft mechanism 4 is achieved;
the axis of the limit ring 403 is provided with the airtight core 404, and the airtight core 404 extends to the inside of the sealing tube 402, so that the airtight core 404 can fill the inside of the connecting pin shaft 405 with air pressure to push the top ball 407, the anti-falling block 406 is opened for limiting, meanwhile, the airtight core 404 is pressed again, the air pressure inside the connecting pin shaft 405 is discharged, the top ball 407 loses the thrust, the connecting pin shaft 405 can be conveniently pulled out from the inside of the bearing frame 101, and the effect of conveniently taking out the connecting pin shaft 405 is achieved.
Detailed description of the invention
The present embodiment is an embodiment of a crane coupling mechanism of a hydraulic plug pin shaft device.
The utility model provides a loop wheel machine coupling mechanism of hydraulic pressure plug pin axle device, includes lifting rope connection roller 201, and the center of lifting rope connection roller 201 has been seted up and has been supported spacing groove 202, and the spacing hole 203 of roller has been seted up to the side of lifting rope connection roller 201, and the inside of the spacing hole 203 of roller is pegged graft and is had spacing screw 204.
Through the technical scheme, set up support spacing groove 202 in the axle center of lifting rope connection roller 201, carry on spacingly to the lifting rope of loop wheel machine, avoid too much rocking of lifting rope, set up the spacing hole of roller 203 in the side of lifting rope connection roller 201 simultaneously, when not needing lifting rope connection roller 201 pivoted, the grafting cooperation through spacing screw 204 and the spacing hole of roller 203 carries on spacingly to lifting rope connection roller 201, avoid the lifting rope to slide, and carry out further spacingly to the lifting rope through spacing screw 204, avoid the lifting rope to break away from, the effect of avoiding the lifting rope to break away from has been reached.
Detailed description of the invention
The present embodiment is an embodiment of a weight connecting mechanism of a hydraulic plug pin shaft device.
A heavy object connecting mechanism of a hydraulic plug pin shaft device comprises a bearing block 301, a positioning groove 302 is formed in the outer surface of the bearing block 301, a connecting hole 303 is formed in the positioning groove 302, and a connecting hanging hole 304 is formed in the outer surface of the bearing block 301.
Through the technical scheme, the positioning groove 302 is formed in the surface of the bearing block 301, the connecting hole 303 is formed in the positioning groove 302, the bearing block 301 is fixed inside the bearing frame 101, the positioning groove 302 and the limiting pipe 104 are matched with each other, the mounting position of the bearing block 301 is unique, the connecting pin shaft 405 can be conveniently inserted into the connecting hole 303, and the effect of conveniently mounting the pin shaft mechanism 4 is achieved.
Detailed description of the invention
The present embodiment is an embodiment of a pin mechanism of a hydraulic insertion and extraction pin device.
The utility model provides a round pin axle mechanism of hydraulic pressure plug pin axle device, includes stand pipe 401, and the inside of stand pipe 401 is pegged graft and is had sealed tube 402, and sealed tube 402's one end fixedly connected with spacing ring 403, airtight core 404 is installed in the axle center of spacing ring 403, and sealed tube 402's other end threaded connection has connecting pin axle 405, and connecting pin axle 405's top swing joint has anticreep piece 406, and connecting pin axle 405's inside has placed top ball 407.
Through the technical scheme, the connecting body of the sealing tube 402 and the connecting pin 405 is jacked into the position of the connecting pin 405 from the guide tube 401 by using a hydraulic device, then air pressure is filled in through the position of the airtight core 404, the jacking ball 407 is pushed by the air pressure, and the anti-falling block 406 is pressed by the jacking ball 407, so that the top end of the anti-falling block 406 is outwards diffused to form limit with the inside of the limiting groove 105, the connecting pin 405 is prevented from being separated due to friction and pressure during lifting, the effect of improving the safety of the pin shaft is achieved, the airtight core 404 is arranged at the axis of the limiting ring 403, the airtight core 404 extends into the sealing tube 402, the jacking ball 407 is pushed by the air pressure filled in the connecting pin 405 by the airtight core 404, the anti-falling block 406 is opened for limiting, and the air pressure in the connecting pin 405 is exhausted by pressing the airtight core 404 again, thereby causing the knock ball 407 to lose its thrust, and thereby allowing the connecting pin 405 to be conveniently drawn out of the interior of the load-bearing frame 101, achieving the effect of conveniently taking out the connecting pin 405.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides a hydraulic pressure plug pin axle device, includes load-bearing mechanism (1), its characterized in that: a crane connecting mechanism (2) is installed at the top of the bearing mechanism (1), a weight connecting mechanism (3) is inserted into the bearing mechanism (1), and a pin shaft mechanism (4) is inserted between the bearing mechanisms (1);
the bearing mechanism (1) comprises a bearing frame (101), the top of the bearing frame (101) is fixedly connected with a connecting frame (102), the outer surface of the connecting frame (102) is provided with a limiting hole (103), the inner wall of the bearing frame (101) is fixedly connected with a limiting pipe (104), and the inside of the bearing frame (101) is provided with a limiting groove (105);
the crane connecting mechanism (2) comprises a lifting rope connecting roller (201), a supporting limiting groove (202) is formed in the center of the lifting rope connecting roller (201), a roller shaft limiting hole (203) is formed in the side face of the lifting rope connecting roller (201), and a limiting screw rod (204) is inserted into the roller shaft limiting hole (203);
the weight connecting mechanism (3) comprises a bearing block (301), a positioning groove (302) is formed in the outer surface of the bearing block (301), a connecting hole (303) is formed in the positioning groove (302), and a connecting hanging hole (304) is formed in the outer surface of the bearing block (301);
the pin shaft mechanism (4) comprises a guide pipe (401), a sealing pipe (402) is inserted into the guide pipe (401), one end of the sealing pipe (402) is fixedly connected with a limiting ring (403), an airtight core (404) is installed at the axis of the limiting ring (403), the other end of the sealing pipe (402) is in threaded connection with a connecting pin shaft (405), the top end of the connecting pin shaft (405) is movably connected with an anti-falling block (406), and a top ball (407) is placed inside the connecting pin shaft (405).
2. A hydraulic plug pin shaft apparatus as claimed in claim 1, wherein: bearing frame (101) are the U font, bearing frame (101) inner wall spacing pipe (104) bilateral symmetry, and spacing inside of pipe (104) has seted up the hole, and the left hole runs through the left wall of bearing frame (101), and the right side hole extends to spacing groove (105).
3. A hydraulic plug pin shaft assembly as defined in claim 1, wherein: the front and the back of the connecting frame (102) are horizontal to the front and the back of the bearing frame (101), and the limiting holes (103) penetrate through the connecting frame (102) on the front and the back respectively.
4. A hydraulic plug pin shaft apparatus as claimed in claim 1, wherein: the two ends of the lifting rope connecting roller (201) are respectively provided with an articulated shaft and are movably connected with the inside of the connecting frame (102) through the articulated shafts, and the front end and the rear end of the lifting rope connecting roller (201) are respectively in lap joint with the inner walls of the front side and the rear side of the connecting frame (102).
5. A hydraulic plug pin shaft assembly as defined in claim 1, wherein: the quantity of the spacing hole of roller (203) is a plurality of, and is a plurality of spacing hole of roller (203) all run through around the lifting rope connecting roller (201) both sides and with leave the clearance between the axle center that supports spacing groove (202), spacing hole of roller (203) equidistance circumference permutation, just the clearance of the spacing hole of roller (203) and the clearance looks adaptation of spacing hole (103).
6. A hydraulic plug pin shaft apparatus as claimed in claim 1, wherein: one end of the limiting screw (204) is provided with threads, the top of the other end of the limiting screw is provided with an inner hexagonal groove, and the limiting screw (204) penetrates through the limiting hole (103) and the roller shaft limiting hole (203) respectively and is in threaded connection with the inner wall of the limiting hole (103).
7. A hydraulic plug pin shaft apparatus as claimed in claim 1, wherein: the bearing block (301) is inserted into a U-shaped groove of the bearing frame (101), the width of the positioning groove (302) is the same as the diameter of the limiting tube (104), and the position of the connecting hole (303) is matched with the position of a hole in the middle of the limiting tube (104).
8. A hydraulic plug pin shaft apparatus as claimed in claim 1, wherein: the guide pipe (401) is installed on the outer surface of the left side of the bearing frame (101) and coaxial with the hole, and the diameter of the guide pipe (401) is larger than that of the hole.
9. A hydraulic plug pin shaft apparatus as claimed in claim 1, wherein: the right side of spacing ring (403) and the left side overlap joint of bearing frame (101), sealed tube (402) are the same with connecting pin axle (405) diameter, and connecting pin axle (405) run through bearing frame (101) left side and connecting hole (303) and extend to the inside in spacing groove (105).
10. A hydraulic plug pin shaft apparatus as claimed in claim 1, wherein: the diameter of the top ball (407) is equal to the inner diameter of the connecting pin shaft (405), the anti-falling block (406) is L-shaped, and one end of the anti-falling block (406) extends to the inner wall of the connecting pin shaft (405).
CN202210603136.6A 2022-05-31 2022-05-31 Hydraulic plug pin shaft device Active CN114671331B (en)

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CN216190306U (en) * 2021-10-19 2022-04-05 浙江永安工程机械有限公司 Steel pipe pile shackle

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JP2003290866A (en) * 2002-03-29 2003-10-14 Honda Motor Co Ltd Automatic piercing rivet fastening device
CN207497898U (en) * 2017-11-06 2018-06-15 河北怀鸽起重机械集团有限公司 A kind of Lever Blocks load-carrying members
CN207566734U (en) * 2017-11-13 2018-07-03 中国石油天然气股份有限公司 The tourist bus suspension apparatus of oil field drilling and repairing well
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