CN218598565U - Pin shaft fixing mechanism, machine body of operation machine and operation machine - Google Patents

Abstract

The utility model relates to a fixed establishment technical field for the operation machinery, provide a round pin axle fixed establishment, organism and operation machinery of operation machinery, including first coupling mechanism, first coupling mechanism includes a plurality of lugs that are used for being connected with the frame of operation machinery, is equipped with the guide on the lug; the periphery of the first end of the pin shaft is provided with a first limiting groove, and the first end of the pin shaft can penetrate through a connecting hole of the lifting lug; the second connecting mechanism comprises a connecting piece positioned among the plurality of guide pieces, the connecting piece is in sliding fit with the guide pieces, a plurality of second limiting grooves which correspond to the lifting lugs one by one are arranged on the connecting piece in a penetrating mode, and the first end of the pin shaft can be positioned in the second limiting grooves; the locking piece is arranged between the connecting piece and the lifting lug and/or the guide piece. The utility model discloses an each second spacing groove on the connecting piece links with the epaxial first spacing groove of round pin, can a plurality of round pins of dismouting simultaneously through one shot operation, has simplified bolt work, has improved holistic dismouting efficiency.

Description

Pin shaft fixing mechanism, machine body of operation machine and operation machine

Technical Field

The utility model relates to a fixed establishment technical field for the operation machinery especially relates to a round pin axle fixed establishment, operation machinery's organism and operation machinery.

Background

When a structural member is assembled on a frame of a working machine such as a crane, an excavator or a heading machine, a pin shaft is generally used, one end of the pin shaft is fixedly assembled with the structural member, and the other end of the pin shaft is assembled with the frame, so that the structural member can be fixed on the frame of the working machine.

In the existing assembly process, structural parts are generally assembled with a rack through a plurality of pin shafts, safety pins are inserted between the rack and the pin shafts to prevent the pin shafts from being separated from the rack after assembly is completed, the safety pins are generally inserted manually, and due to the fact that the number of the pin shafts is large, the operation mode that the safety pins are inserted at each pin shaft is inconvenient to operate, and overall assembly efficiency is affected.

SUMMERY OF THE UTILITY MODEL

The utility model provides a round pin axle fixed establishment, operation machinery's organism and operation machinery for solve among the prior art at every round pin axle department cartridge safety pin's the inconvenient defect of operation mode operation, realize simplifying round pin axle assembly work and improve assembly efficiency.

The utility model provides a round pin axle fixed establishment, include:

the first connecting mechanism comprises a plurality of lifting lugs connected with a frame of the working machine, and a guide piece is arranged on each lifting lug;

the periphery of the first end of each pin shaft is provided with a first limiting groove, and the first end of each pin shaft can penetrate through the connecting hole of the lifting lug;

the second connecting mechanism comprises connecting pieces positioned among the plurality of guide pieces, the connecting pieces are in sliding fit with the guide pieces, a plurality of second limiting grooves which are in one-to-one correspondence with the lifting lugs are arranged on the connecting pieces in a penetrating mode, and the first end of the pin shaft can be positioned in the second limiting grooves;

the locking piece is arranged between the connecting piece and the lifting lug and/or the guide piece, the locking piece can be switched between a locking state and an unlocking state, in the locking state, the connecting piece is fixedly connected with the lifting lug and/or the guide piece, the inner side of the first limiting groove abuts against the edge of the second limiting groove, and in the unlocking state, the connecting piece can slide relative to the guide piece.

According to the utility model provides a pair of round pin axle fixed establishment, the second spacing groove is including the first groove section and the second groove section that are linked together, the area of first groove section is not less than the area of the radial cross section of the first end of round pin axle, the edge of second groove section can with the inboard of first spacing groove offsets.

According to the utility model provides a pair of round pin axle fixed establishment, first spacing groove is the ring channel, the second groove section is the arc wall.

According to the utility model provides a pair of round pin axle fixed establishment, the lock piece is the bolt.

According to the utility model provides a pair of round pin axle fixed establishment, the second end of round pin axle is connected with the driving piece.

According to the utility model provides a pair of round pin axle fixed establishment, be equipped with the pull-up hole on the connecting piece.

The utility model also provides an organism of operation machinery, include:

a frame;

and the pin shaft fixing mechanism is connected with the lifting lug and the rack.

According to the utility model provides a pair of working machine's organism still includes the structure, structure detachably connect in the second end of round pin axle.

According to the utility model provides a pair of working machine's organism, it is a plurality of the lug divide into a pair of lug group, and a pair of lug group is located respectively along its width direction's both sides in the frame.

The utility model also provides an operation machine, including operation machine's organism.

The utility model provides a round pin axle fixed establishment, operation machine's organism and operation machine, be fixed in operation machine's frame with a plurality of lugs, through being fixed in the structure between the second end of a plurality of round pins axle, the first end of round pin axle penetrates the connecting hole of lug and is located the second spacing inslot of connecting piece, when the lock piece is in the unblock state, promote the connecting piece and make it slide for the guide, when the inboard of first spacing groove offsets with the edge of second spacing groove, can prevent that the connecting hole of lug is deviate from to the first end of round pin axle, and then spacing to each round pin axle formation, then make fixedly between connecting piece and guide and/or the lug through the lock piece, can accomplish the assembly, when needing to dismantle this structure, the lock piece is in the unblock state, the connecting piece can slide for the guide, throw off the back until the inboard of first spacing groove and the edge of second spacing groove, remove spacingly, the first end of round pin axle can throw off with the connecting hole of lug, can accomplish the dismantlement operation. The utility model discloses an each second spacing groove on the connecting piece links with each first spacing groove of round pin epaxial, can make through removing the connecting piece and offset or throw off between each first spacing groove and the second spacing groove, and a plurality of round pin axles of dismouting simultaneously can be once-through operation promptly, have simplified bolt work, have improved holistic dismouting efficiency.

Drawings

In order to more clearly illustrate the technical solutions of the present invention or the prior art, the following briefly introduces the drawings required for the embodiments or the prior art descriptions, and obviously, the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a side view of a machine body of a work machine provided by the present invention in a locked state;

fig. 2 is a side view of the body of the work machine in the unlocked state provided by the present disclosure;

fig. 3 is a bottom view of the machine body of the working machine according to the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 1;

fig. 5 is a schematic structural view of the first end of the pin shaft provided by the present invention.

Reference numerals:

1: lifting lugs; 2: a guide member; 3: a pin shaft; 4: a first limit groove; 5: a connecting member; 6: a second limit groove; 7: a locking member; 8: a drive member; 9: lifting and pulling the hole; 10: and a frame.

Detailed Description

To make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

In the related art, the machine body of the operation machine comprises a rack and each structural part assembled on the rack, a plurality of pin shafts are required to be fixed on the rack by virtue of the structural parts, one ends of the pin shafts are connected with the structural parts, jacks for butting with safety pins are arranged at the other ends of the pin shafts, one ends of the pin shafts, far away from the structural parts, are all inserted in the rack, and the safety pins are required to be inserted in the jacks of the pin shafts in order to ensure that the pin shafts are not separated from the rack.

However, the safety pin inserting operation needs to be carried out manually, and the number of the pin shafts which need to be used when some structural parts are assembled is large, so that the operation mode of manually inserting the safety pin is very complicated and inconvenient to operate, and further the whole assembly and disassembly efficiency is reduced.

The following describes the pin fixing mechanism, the machine body of the working machine, and the working machine according to the present invention with reference to fig. 1 to 5.

This embodiment provides a round pin axle fixed establishment, including first coupling mechanism, a plurality of round pin axle 3, second coupling mechanism and locking piece 7, wherein:

the first connecting mechanism comprises a plurality of lifting lugs 1 which are used for being connected with a rack 10 of the working machine, guide pieces 2 are arranged on the lifting lugs 1, and when the first connecting mechanism is used, the lifting lugs 1 can be fixedly connected to the rack 10 in a welding mode, an assembling mode and the like; the periphery of the first end of the pin shaft 3 is provided with a first limiting groove 4, and the first end of the pin shaft 3 can penetrate through the connecting hole of the lifting lug 1; the second connecting mechanism comprises a connecting piece 5 positioned among the plurality of guide pieces 2, the connecting piece 5 is in sliding fit with the guide pieces 2, a plurality of second limiting grooves 6 which correspond to the lifting lugs 1 one by one are arranged on the connecting piece 5 in a penetrating manner, the first ends of the pin shafts 3 can be positioned in the second limiting grooves 6, and the first ends of the pin shafts 3 penetrate through the connecting holes of the lifting lugs 1 and then are nested in the second limiting grooves 6 on the connecting piece 5; the locking piece 7 is arranged between the connecting piece 5 and the lifting lug 1 and/or the guide piece 2, the locking piece 7 can be switched between a locking state and an unlocking state, the connecting piece 5 is fixedly connected with the lifting lug 1 and/or the guide piece 2 in the locking state, the inner side of the first limiting groove 4 is abutted against the edge of the second limiting groove 6, and the connecting piece 5 can slide relative to the guide piece 2 in the unlocking state.

Further, the locking piece 7 is in an unlocking state, the first end of each pin shaft 3 penetrates through the connecting hole of the lifting lug 1 and is nested in each second limiting groove 6, the connecting piece 5 is pushed to slide relative to each guide piece 2, the edge of each second limiting groove 6 moves to the inner side of the first limiting groove 4 on the first end of the pin shaft 3 and is abutted against the inner side of the first limiting groove, clamping limiting is achieved, the first end of each pin shaft 3 can be prevented from being separated from the connecting hole on the lifting lug 1, limiting is achieved, the locking piece 7 is in a locking state for achieving position keeping of the connecting piece 5, the connecting piece 5 is further fixedly connected with the guide pieces 2 and/or the lifting lug 1, the position of each pin shaft 3 is further fixed, the second end of each pin shaft 3 is used for being connected with a structural piece needing to be assembled on the rack 10, the structural piece is assembled with the rack 10, the locking piece 7 is in an unlocking state when the structural piece needs to be disassembled, the connecting piece 5 is pushed to slide relative to each guide piece 2, the first limiting groove 4 can be separated from the second limiting groove 6, the first end of the lifting lug 3 can be separated from the second limiting groove 1, and the pin shaft can be disassembled.

Furthermore, the locking member 7 may be only disposed between the connecting member 5 and the lifting lug 1, in the locking state, the locking member 7 can fix the connecting member 5 on the lifting lug 1 to fix the current position of the connecting member 5, and in the unlocking state, the locking member 7 is removed, so that the connecting member 5 can move relative to the frame 10; the locking piece 7 can be arranged only between the connecting piece 5 and the guide piece 2, in the locking state, the locking piece 7 can fix the connecting piece 5 on the guide piece 2 to fix the current position of the connecting piece 5, and in the unlocking state, the locking piece 7 is taken down, so that the connecting piece 5 can move relative to the frame 10; in addition, locking pieces 7 can be arranged between the connecting piece 5 and the lifting lug 1 and between the connecting piece 5 and the guide piece 2, and in a locking state, the connecting piece 5 and the lifting lug 1 and the connecting piece 5 and the guide piece 2 are fixed through the locking pieces 7, so that the locking pieces 7 at the two positions are respectively taken down in an unlocking state to fix the current position of the connecting piece 5, and the connecting piece 5 can move relative to the rack 10.

Alternatively, the connecting member 5 may be a plate-like, block-like or rod-like structure.

Optionally, the lifting lug 1 provided in the above embodiment may also be another connecting member structure having a connecting hole through which the first end of the pin shaft 3 can pass.

In this embodiment, the second limiting groove 6 includes a first groove section and a second groove section that are communicated with each other, an area of the first groove section is not smaller than an area of a radial cross section of the first end of the pin shaft 3, an edge of the second groove section can abut against an inner side of the first limiting groove 4, in a use process, when the locking member 7 is in an unlocking state, the connecting member 5 can slide relative to the guide member 2, so that when the first end of the pin shaft 3 is located in the first groove section, the first end of the pin shaft 3 has enough space to be drawn out from the connecting hole of the lifting lug 1, and when the first end of the pin shaft 3 is located in the second groove section, the inner side of the first limiting groove 4 can abut against an edge of the second groove section, so that the engagement limiting is achieved.

Optionally, the first limiting groove 4 may be a square groove, an arc groove, an annular groove, or the like, and both can be abutted against the edge of the second limiting groove 6 to achieve the engagement limitation.

In this embodiment, first spacing groove 4 is the ring channel, and the second groove section is the arc wall, has sufficient area of contact when arc groove edge offsets with the ring channel is inboard, and then can improve the spacing stability of block.

Optionally, the locking member 7 may be a bolt, a pin, or the like, and in the locked state, it may be detachably connected between the connecting member 5 and the lifting lug 1 or between the guide member 2, or the locking members may be disposed between the connecting member 5 and the lifting lug 1 or between the connecting member 5 and the guide member 2, and both may implement fixing of the position of the connecting member 5.

As an optional implementation mode, the second end of the pin shaft 3 is connected with a driving part 8, the driving part 8 may be a motor, a cylinder, etc., the driving end of the driving part 8 is connected with the second end of the pin shaft 3, the driving part 8 itself may be fixed with the frame 10 through a connection structure, in the using process, the pin shaft 3 and the driving part 8 may form a power pin, the driving part 8 drives the first end of the pin shaft 3 to move towards the lug 1, and further, the self-loading and unloading operation can be realized, after the first end of each pin shaft 3 runs through the connection hole of the lug 1, the first end of each pin shaft 3 may be linked with the first limit groove on the first end of the pin shaft 3 through each second limit groove 6 on the connection part 5, and the dismounting efficiency is further improved.

In this embodiment, the connector 5 is provided with a pull-up hole 9, which facilitates the movement control of the connector 5 by pulling manually or by pulling with a hook.

On the other hand, the present embodiment further provides a machine body of a working machine, which includes a frame 10 and the pin fixing mechanism provided in the foregoing embodiment, wherein the lifting lug 1 is connected to the frame 10, so that the frame 10 is conveniently connected to a structural member to be assembled through the pin fixing mechanism, and the machine body of the working machine has all the advantages of the pin fixing mechanism provided in the foregoing embodiment.

In this embodiment, taking the counterweight as a structural member to be assembled on the frame 10 of the working machine as an example, the counterweight is detachably connected between the second ends of the plurality of pins 3, so that after the first end of the pin 3 penetrates through the connecting hole on the lifting lug 1, the frame 10 and the counterweight can be conveniently disassembled and assembled in a linkage manner through the second limiting groove 6 on the connecting member 5 and the first limiting groove 4 on the first end of the pin 3.

As an optional implementation manner, the frame 10 includes a first section and a second section, where one of the first section and the second section is placed on the ground, and the other is higher than the ground, taking the second section as an example of a section higher than the ground, the pin fixing mechanism provided in the above embodiment may be disposed on the second section, the counterweight is disposed at the bottom of the second section, and a space higher than the ground of the second section is utilized to facilitate a worker to disassemble and assemble the counterweight, so as to further improve the disassembling and assembling efficiency.

In this embodiment, the plurality of lifting lugs 1 are divided into a pair of lifting lug groups, the pair of lifting lug groups are respectively located on the two sides of the rack 10 along the width direction of the rack, the counterweight to be assembled is located between the pair of lifting lug groups, the pin shafts 3 are respectively arranged on the two sides of the counterweight close to the pair of lifting lug groups, and then the first ends of the pin shafts 3 are assembled with the lifting lugs 1, so that the assembly stability is further improved.

In another aspect, the present embodiment further provides a working machine, which includes the machine body of the working machine provided in the above embodiment, and the working machine may be a crane, an excavator, a heading machine, or the like, and has all the advantages of the machine body of the working machine provided in the above embodiment.

In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description of the embodiments and for simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the embodiments of the present invention can be understood in specific cases by those skilled in the art.

In the description herein, references to the description of the terms "one embodiment," "first-aspect embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (10)

1. The utility model provides a round pin axle fixed establishment which characterized in that includes:

the first connecting mechanism comprises a plurality of lifting lugs (1) which are used for being connected with a rack (10) of the working machine, and guide pieces (2) are arranged on the lifting lugs (1);

the lifting lug comprises a plurality of pin shafts (3), wherein a first limiting groove (4) is formed in the periphery of the first end of each pin shaft (3), and the first end of each pin shaft (3) can penetrate through a connecting hole of the lifting lug (1);

the second connecting mechanism comprises connecting pieces (5) positioned among the plurality of guide pieces (2), the connecting pieces (5) are in sliding fit with the guide pieces (2), a plurality of second limiting grooves (6) which correspond to the lifting lugs (1) one by one are arranged on the connecting pieces (5) in a penetrating mode, and the first ends of the pin shafts (3) can be positioned in the second limiting grooves (6);

the locking piece (7) is arranged between the connecting piece (5) and the lifting lug (1) and/or the guide piece (2), the locking piece (7) can be switched between a locking state and an unlocking state, in the locking state, the connecting piece (5) is fixedly connected with the lifting lug (1) and/or the guide piece (2), the inner side of the first limiting groove (4) is abutted against the edge of the second limiting groove (6), and in the unlocking state, the connecting piece (5) can slide relative to the guide piece (2).

2. The pin fixing mechanism according to claim 1, wherein the second limiting groove (6) comprises a first groove section and a second groove section which are communicated with each other, the area of the first groove section is not smaller than the area of the radial cross section of the first end of the pin (3), and the edge of the second groove section can abut against the inner side of the first limiting groove (4).

3. The pin fixing mechanism according to claim 2, wherein the first limiting groove (4) is an annular groove, and the second groove section is an arc-shaped groove.

4. The pin securing mechanism according to claim 1, characterized in that the locking member (7) is a bolt.

5. A pin securing mechanism according to claim 1, characterised in that a driving member (8) is connected to the second end of the pin (3).

6. The pin securing mechanism according to claim 1, characterized in that the connecting piece (5) is provided with a pull-up hole (9).

7. A machine body of a work machine, comprising:

a frame (10);

the pin fixing mechanism according to any one of claims 1 to 6, wherein the lifting lug (1) is connected to the frame (10).

8. The body of a work machine according to claim 7, further comprising a structural member detachably connected to the second end of the pin (3).

9. The machine body of a working machine according to claim 7, wherein the plurality of lifting lugs (1) are divided into a pair of lifting lug groups, and the pair of lifting lug groups are respectively located on both sides of the machine frame (10) in the width direction thereof.

10. A work machine, characterized by comprising a body of a work machine according to any one of claims 7-9.

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