CN214742437U

CN214742437U - Loader movable arm oil cylinder core with good anti-fracture effect

Info

Publication number: CN214742437U
Application number: CN202120450917.7U
Authority: CN
Inventors: 永安; 华延彬; 李光明; 于建航; 汤宗雨
Original assignee: Inner Mongolia Xilinhe Coal Chemical Co ltd
Current assignee: Inner Mongolia Xilinhe Coal Chemical Co ltd
Priority date: 2021-03-02
Filing date: 2021-03-02
Publication date: 2021-11-16
Anticipated expiration: 2031-03-02

Abstract

The utility model relates to a loader equipment technical field just discloses an effectual loader boom hydro-cylinder jar core of preventing splitting, including jar core, connecting rod and piston, first mounting hole has been seted up to the right-hand member of jar core, the inside screw thread setting of first mounting hole, the second mounting hole has been seted up in the left side of piston. This loader movable arm hydro-cylinder core that anti-fracture is effectual, through setting up the core, the connecting rod, the piston, first mounting hole and second mounting hole, excise the cracked part of junction of core and piston, later through the connection of connecting piece, make original core can reuse, the cost is reduced, only need tear down the core at the operation scene can, avoid detaining too much time at the operation scene, current LW800K loader has been solved after its core breaks, need directly change hydro-cylinder and core, make with high costs, it is long consuming time, and there is the problem of potential safety hazard.

Description

Loader movable arm oil cylinder core with good anti-fracture effect

Technical Field

The utility model relates to a loader equipment technical field specifically is an effectual loader movable arm hydro-cylinder jar core of preventing splitting.

Background

At present, LW800K loader has the technical defect of design, the internal fracture condition of a vehicle boom oil cylinder and a cylinder core can occur within about 15000 hours of accumulated work of the equipment loader, and all LW800K loaders are maintained by maintenance personnel to replace the oil cylinder and the cylinder core after equipment is damaged for a long time, so that the cost of maintenance and part cost is increased, and the operation site cannot be replaced after the vehicle is damaged, so that the oil cylinder can only be replaced in the maintenance operation of the operation site of the transfer loader, and the potential safety hazard during the maintenance operation is increased.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a prevent effectual loader mobile arm hydro-cylinder jar core of splitting possesses and need not directly to change hydro-cylinder and jar core, save time, and has avoided the advantage of operating for a long time at the operation scene, has solved current LW800K loader and after its jar core breaks off, needs directly to change hydro-cylinder and jar core for it is with high costs, consuming time long, and there is the problem of potential safety hazard.

(II) technical scheme

Need not direct change hydro-cylinder and jar core for realizing the aforesaid, save time, and avoided the purpose at the long-time operation of job site, the utility model provides a following technical scheme: the utility model provides an effectual loader arm hydro-cylinder jar core of preventing splitting, includes jar core, connecting rod and piston, first mounting hole has been seted up to the right-hand member of jar core, the inside screw thread setting of first mounting hole, the second mounting hole has been seted up in the left side of piston, the inside screw thread setting of second mounting hole, flexible groove has been seted up to the inside of piston, be equipped with the gag lever post between the inner wall in the left and right sides in flexible groove, the quantity of gag lever post is two, the left end of gag lever post and the left side inner wall fixed connection in flexible groove, the right side inner wall in flexible groove and the right-hand member fixed connection of gag lever post, first spring has been cup jointed in the side surface activity of gag lever post, the side surface sliding connection of gag lever post has the push pedal, the left side fixedly connected with locking lever post of push pedal.

The locked groove has been seted up in the left side of piston, be equipped with the inner push rod in the locked groove, the draw-in groove has been seted up to the side surface of connecting rod, the quantity of draw-in groove is two, two the embedded groove has been seted up to the right side inner wall of draw-in groove, the sideslip has been seted up to the right-hand member of jar core, the quantity of sideslip is two, two equal fixedly connected with slide bar in the sideslip, two the side surface sliding connection of slide bar has the cursor slide, two one side fixedly connected with picture peg that the cursor slide is relative, the picture peg is pegged graft with the draw-in groove activity, the inner spout has been seted up to the inside of picture peg, the left side inner wall fixedly connected with second spring of inner spout, the right-hand member fixedly connected with stop pin of second spring, stop pin and inner spout sliding connection.

Preferably, the connecting rod has both ends seted up the external screw thread about, the left end and the first mounting hole threaded connection of connecting rod, the right-hand member and the second mounting hole threaded connection of connecting rod.

Preferably, the inside of connecting rod is equipped with the slot, the slot is located the right-hand member setting of connecting rod, the slot is pegged graft with the activity of stop lever.

Preferably, the number of the locking grooves is two, the inner portions of the two locking grooves are provided with threads, the side surface of the inner push rod is provided with threads, and the inner push rod is in threaded connection with the locking grooves.

Preferably, the inner wall of the right side of the clamping groove is sunken, and the right end of the stop pin is movably inserted into the sunken part.

Preferably, the inner top wall of the inner sliding groove is arranged in a penetrating manner, the top of the stop pin is arranged in a protruding manner, and the protrusion at the top of the stop pin extends to the outside of the inner sliding groove through the inner top wall of the inner sliding groove.

Compared with the prior art, the utility model provides a prevent effectual loader arm hydro-cylinder jar core of splitting possesses following beneficial effect:

1. this loader movable arm hydro-cylinder core that anti-fracture is effectual, through setting up the core, the connecting rod, the piston, first mounting hole and second mounting hole, excise the cracked part of junction of core and piston, later through the connection of connecting piece, make original core can reuse, the cost is reduced, only need to tear down the core at the operation scene can, avoid detaining too much time at the operation scene, and the processing of whole connecting piece and installation process all go on at the lathe factory building, the potential safety hazard has been avoided and the time has been practiced thrift, current LW800K loader has been solved and after its core breaks, need directly change hydro-cylinder and core, make with high costs, it is long consuming time, and there is the problem of potential safety hazard.

2. This loader swing arm hydro-cylinder core that anti-fracture is effectual, through setting up the flexible groove, the gag lever post, first spring, the push pedal, the inner push rod, the slot, the locking lever, the slide bar, the cursor slide, the picture peg, the inner chute, the second spring, the stop pin, embedded groove and draw-in groove, when the cylinder core, the back is accomplished in the installation of connecting rod and piston three, outwards twist and move the inner push rod, first spring kick-backs, make the push pedal push the locking lever in the slot, can prevent that piston and connecting rod from taking place relative rotation, stimulate the stop pin left, the second spring compression, after waiting to insert completely in pushing the draw-in groove with the picture peg, loosen the stop pin, in the sunken of stop pin insertion groove, can prevent that connecting rod and cylinder core from taking place relative rotation.

Drawings

FIG. 1 is a sectional view of the front view structure of the present invention;

FIG. 2 is a schematic front view of the present invention;

fig. 3 is an enlarged view of a portion of a in fig. 1 according to the present invention.

Wherein: 1. a cylinder core; 2. a connecting rod; 3. a piston; 4. a first mounting hole; 5. a second mounting hole; 6. a telescopic groove; 7. a limiting rod; 8. a first spring; 9. pushing the plate; 10. an inner push rod; 11. locking the groove; 12. a slot; 13. a stopper rod; 14. a side slide; 15. a slide bar; 16. a slide arm; 17. inserting plates; 18. an inner chute; 19. a second spring; 20. a retaining pin; 21. a groove is embedded; 22. a clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the utility model provides a loading machine boom cylinder core with good anti-fracture effect, which comprises a cylinder core 1, a connecting rod 2 and a piston 3, wherein the right end of the cylinder core 1 is provided with a first mounting hole 4, the first mounting hole 4 is internally threaded, the left side of the piston 3 is provided with a second mounting hole 5, the second mounting hole 5 is internally threaded, the left end and the right end of the connecting rod 2 are both provided with external threads, the left end of the connecting rod 2 is in threaded connection with the first mounting hole 4, the right end of the connecting rod 2 is in threaded connection with the second mounting hole 5, the fractured part of the connection part of the cylinder core 1 and the piston 3 is cut off, then the original cylinder core 1 can be reused by connecting the connecting rod 2, the cost is reduced, a telescopic groove 6 is arranged inside the piston 3, a limiting rod 7 is arranged between the inner walls at the left side and the right side of the telescopic groove 6, the number of the limiting rods 7 is two, the left end of gag lever post 7 and the left side inner wall fixed connection of flexible groove 6, the right side inner wall of flexible groove 6 and the right-hand member fixed connection of gag lever post 7, first spring 8 has been cup jointed in the side surface activity of gag lever post 7, the side surface sliding connection of gag lever post 7 has push pedal 9, the left side fixedly connected with locking lever 13 of push pedal 9, the inside of connecting rod 2 is equipped with slot 12, slot 12 is located the right-hand member setting of connecting rod 2, slot 12 is pegged graft with locking lever 13 activity.

The left side of the piston 3 is provided with a lock groove 11, an inner push rod 10 is arranged in the lock groove 11, the number of the lock grooves 11 is two, threads are arranged inside the two lock grooves 11, the side surface of the inner push rod 10 is provided with threads, the inner push rod 10 is in threaded connection with the lock groove 11, after the cylinder core 1, the connecting rod 2 and the piston 3 are installed, the inner push rod 10 is screwed outwards, the first spring 8 rebounds, so that the push plate 9 pushes the stop rod 13 into the slot 12, the piston 3 and the connecting rod 2 can be prevented from rotating relatively, the side surface of the connecting rod 2 is provided with two clamping grooves 22, the number of the clamping grooves 22 is two, the right inner walls of the two clamping grooves 22 are provided with embedded grooves 21, the right end of the cylinder core 1 is provided with side slideways 14, the number of the side slideways 14 is two, the two side slideways 14 are fixedly connected with sliding rods 15, the side surfaces of the two sliding rods 15 are slidably connected with sliding arms 16, and the opposite sides of the two sliding arms 16 are fixedly connected with inserting plates 17, the plug board 17 is movably inserted into the slot 22, the inner chute 18 is formed in the plug board 17, the second spring 19 is fixedly connected to the inner wall of the left side of the inner chute 18, the stop pin 20 is fixedly connected to the right end of the second spring 19, the inner top wall of the inner chute 18 is arranged in a penetrating mode, the top of the stop pin 20 is arranged in a protruding mode, the protrusion of the top of the stop pin 20 extends to the outside of the inner chute 18 through the inner top wall of the inner chute 18, the stop pin 20 is connected with the inner chute 18 in a sliding mode, the inner wall of the right side of the slot 22 is arranged in a recessed mode, the right end of the stop pin 20 is movably inserted into the recess, the stop pin 20 is pulled leftwards, the second spring 19 is compressed, the plug board 17 is pushed into the slot 22, after the plug board is completely inserted into the slot, the stop pin 20 is loosened, the stop pin 20 is inserted into the recess of the slot 22, and relative rotation between the connecting rod 2 and the cylinder core 1 can be prevented.

When in use, the LW800K movable arm oil cylinder is detached, the broken cylinder core 1 at the joint of the oil cylinder piston is detached, oil stain on the cylinder core 1 is cleaned, a lathe worker cuts off 60mm at the broken part by using a lathe, after the cutting is finished, the lathe worker cuts off a cut part of the cylinder core 1, an internal thread hole with the inner diameter of 70mm and the depth of 80mm is cut inwards along the axis to form a first mounting hole 4, a connecting rod 2 with the length of 290mm and the outer diameter of 70mm is processed by using the discarded small-diameter cylinder core, one end of the connecting rod 2 is 80mm in thread length, the other end of the connecting rod 2 is made into a thread length of 150mm, one side with the thread length of 80mm of the connecting rod 2 is coated with thread locking glue and then screwed into the first mounting hole 4, the welder performs whole circle welding and reinforcement at the outer side of the thread, the lathe worker expands the internal thread hole of the detached oil cylinder piston 3 to 70mm by using the lathe again to form a second mounting hole 5, the other end of the connecting rod 2 is screwed into the second mounting hole 5, and the piston oil sealing ring and the guide ring are replaced, the oil cylinder which is well assembled is installed on the movable arm of the loader, and the loader can be put into use after normal operation.

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

1. The utility model provides a loader mobile arm hydro-cylinder core that anti-fracture is effectual, includes core (1), connecting rod (2) and piston (3), its characterized in that: the right end of the cylinder core (1) is provided with a first mounting hole (4), the first mounting hole (4) is internally provided with threads, a second mounting hole (5) is formed in the left side of the piston (3), the inner part of the second mounting hole (5) is in threaded arrangement, a telescopic groove (6) is arranged inside the piston (3), a limiting rod (7) is arranged between the inner walls of the left side and the right side of the telescopic groove (6), the number of the limiting rods (7) is two, the left end of each limiting rod (7) is fixedly connected with the inner wall of the left side of the telescopic groove (6), the right inner wall of the telescopic groove (6) is fixedly connected with the right end of the limiting rod (7), a first spring (8) is movably sleeved on the side surface of the limiting rod (7), the side surface of the limiting rod (7) is connected with a push plate (9) in a sliding manner, and the left side of the push plate (9) is fixedly connected with a stop rod (13);

the left side of piston (3) has been seted up locked groove (11), be equipped with interior push rod (10) in locked groove (11), draw-in groove (22) have been seted up to the side surface of connecting rod (2), the quantity of draw-in groove (22) is two, two embedded groove (21) have been seted up to the right side inner wall of draw-in groove (22), side slide (14) have been seted up to the right-hand member of jar core (1), the quantity of side slide (14) is two, two all fixedly connected with slide bar (15) in side slide (14), two the side surface sliding connection of slide bar (15) has cursor slide (16), two one side fixedly connected with picture peg (17) that cursor slide (16) is relative, picture peg (17) and draw-in groove (22) activity grafting, interior spout (18) have been seted up to the inside of picture peg (17), the left side inner wall fixedly connected with second spring (19) of interior spout (18), the right end of the second spring (19) is fixedly connected with a stop pin (20), and the stop pin (20) is connected with the inner chute (18) in a sliding mode.

2. The loader arm cylinder core with good anti-fracture effect of claim 1, wherein: the connecting rod (2) is provided with external threads at the left end and the right end, the left end of the connecting rod (2) is in threaded connection with the first mounting hole (4), and the right end of the connecting rod (2) is in threaded connection with the second mounting hole (5).

3. The loader arm cylinder core with good anti-fracture effect of claim 1, wherein: the inside of connecting rod (2) is equipped with slot (12), slot (12) are located the right-hand member setting of connecting rod (2), slot (12) are pegged graft with stop lever (13) activity.

4. The loader arm cylinder core with good anti-fracture effect of claim 1, wherein: the number of locked groove (11) is two, two the inside of locked groove (11) is seted up threadedly, the side surface of interior push rod (10) is seted up threadedly, interior push rod (10) and locked groove (11) threaded connection.

5. The loader arm cylinder core with good anti-fracture effect of claim 1, wherein: the right side inner wall of draw-in groove (22) sets up in the sunken, the right-hand member and the sunken activity grafting of stop pin (20).

6. The loader arm cylinder core with good anti-fracture effect of claim 1, wherein: the inner top wall of the inner sliding groove (18) is arranged in a penetrating mode, the top of the stop pin (20) is arranged in a protruding mode, and the protrusion of the top of the stop pin (20) extends to the outside of the inner sliding groove (18) through the inner top wall of the inner sliding groove (18).