CN217672636U

CN217672636U - Coupler knuckle with high fatigue strength for car coupler

Info

Publication number: CN217672636U
Application number: CN202220507949.0U
Authority: CN
Inventors: 张健
Original assignee: Qingdao Sifang Locomotive and Rolling Stock Casting Steel Co Ltd
Current assignee: Qingdao Sifang Locomotive and Rolling Stock Casting Steel Co Ltd
Priority date: 2022-03-10
Filing date: 2022-03-10
Publication date: 2022-10-28
Anticipated expiration: 2032-03-10

Abstract

The utility model relates to a coupling technical field specifically is a coupling knuckle that fatigue strength is high, include: the plate body, the surface of plate body is provided with the shank, the top surface fixed mounting of shank has the hook tail, the bottom of shank is provided with the hook and establishes the mechanism, the surface that the mechanism was established to the hook is connected with the lock piece, the inside that the mechanism was established to the hook is provided with slide mechanism, and stretching mechanism, the internally mounted that the mechanism was established to the hook has stretching mechanism, stretching mechanism includes the connecting plate, the connecting plate sets up the inside that the mechanism was established at the hook. The utility model discloses in, make when the lock piece when carrying out the activity rotation through the connecting plate and the extension spring that set up, make the connecting rod can carry out tensile regulation operation through the flexible regulation of telescopic link in the extension spring to control lock piece and carry out the activity rotation, carry out the lock operation between the coupler knuckle, through the rotation of articulated seat afterwards, make the coupler knuckle can kick-back after the activity and recover.

Description

Coupler knuckle with high fatigue strength

Technical Field

The utility model relates to a coupling technical field specifically is a coupling knuckle that fatigue strength is high.

Background

The car coupler is a vehicle part used for realizing coupling between a locomotive and a vehicle or between the vehicle and the vehicle, transmitting traction force and impact force and keeping a certain distance between the vehicles, and is divided into an upper action type and a lower action type according to an opening mode.

The knuckle of present coupling often causes knuckle activity department because of the rotation activity of articulated seat often when using for a long time, causes coupler knuckle activity easily and causes certain damage because of moving fatigue repeatedly, causes the damage of coupling knuckle easily for a long time to cause and can't carry out the lock operation through the knuckle between the coupling, reduce the life of coupling, consequently need urgently to design a coupling knuckle that fatigue strength is high and solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a coupling knuckle that fatigue strength is high to propose current coupling knuckle among the solution above-mentioned background art and cause the problem of damage because of crooked tired easily after long-time the use.

In order to achieve the above object, the utility model provides a following technical scheme: a high fatigue strength coupler knuckle comprising:

the hook comprises a plate body, wherein a hook body is arranged on the outer surface of the plate body, a hook tail is fixedly installed on the outer surface of the top end of the hook body, a hook tongue mechanism is arranged at the bottom end of the hook body, a buckling block is connected to the outer surface of the hook tongue mechanism, and a sliding mechanism is arranged inside the hook tongue mechanism;

the stretching mechanism is installed inside the coupler knuckle mechanism and comprises a connecting plate, the connecting plate is arranged inside the coupler knuckle mechanism, an inserting rod is inserted into the connecting plate, a telescopic rod is fixedly connected to the bottom end of the inserting rod, and a telescopic spring is sleeved on the outer surface of the telescopic rod.

Preferably, the inserting rod penetrates through the inside of the connecting plate, the telescopic rod is welded on the outer surface of the bottom end of the inserting rod, the telescopic rod is connected with the telescopic spring in a sliding and telescopic mode, and the bottom end of the telescopic spring is installed on the outer surface of the sliding mechanism.

Preferably, coupler knuckle mechanism includes the sliding seat, sliding seat fixed mounting is at the surface of the coupler body, the inside of sliding seat is provided with the mount pad, the surface mounting of mount pad has the connecting rod, the bottom surface of connecting rod articulates there is articulated seat.

Preferably, the connecting rod rotates with articulated seat to be connected, the outer surface at the buckling piece of welding of articulated seat, the mount pad passes through screw fixed mounting in the inside of sliding seat, the connecting rod level is provided with two sets ofly.

Preferably, the sliding mechanism comprises a sliding rod, the sliding rod is arranged inside the coupler knuckle mechanism, the outer surface of the sliding rod is sleeved with a sleeving seat, and the bottom end of the sleeving seat is fixedly connected with the connecting column.

Preferably, the sleeving seat is connected with the outer surface of the sliding rod in a sliding mode, the connecting columns are welded on the outer surface of the bottom end of the sleeving seat, and the sleeving seat is provided with two groups.

Compared with the prior art, the beneficial effects of the utility model are that this car coupler knuckle that fatigue strength is high can square increase the fatigue strength when the knuckle is crooked.

1. Through the connecting plate that sets up, insert and establish pole, telescopic link and extension spring and make when the lock piece is carrying out the activity and is rotating, make the connecting rod can carry out tensile regulation operation through the flexible regulation of telescopic link in the extension spring to control lock piece carries out the activity and rotates, carries out the lock operation between the coupler knuckle, through the rotation of articulated seat afterwards, makes the coupler knuckle can kick-back after the activity and recover.

2. Through the slide bar, the sleeving seat, the connecting column and the stretching mechanism, when the telescopic rod is adjusted in the telescopic spring in a telescopic mode, the telescopic seat is stretched in a sliding mode on the outer surface of the slide bar, so that the connecting rod can be adjusted in an angle sliding mode through the sliding mechanism, stress is dispersed when the buckling block rotates movably, and fatigue strength of the coupler knuckle is effectively reduced.

Drawings

FIG. 1 is a schematic view of the whole structure of the present invention;

FIG. 2 is a schematic front view of the coupler knuckle mechanism of FIG. 1 according to the present invention;

fig. 3 is a schematic overall structure view of the sliding mechanism of fig. 2 according to the present invention;

fig. 4 is an enlarged schematic view of a structure shown in fig. 2 according to the present invention.

In the figure: 1. a plate body; 2. hooking the body; 3. hooking the tail; 4. a knuckle mechanism; 401. a movable seat; 402. a mounting base; 403. a connecting rod; 404. a hinged seat; 5. a buckling block; 6. a stretching mechanism; 601. a connecting plate; 602. Inserting the rod; 603. a telescopic rod; 604. a tension spring; 7. a sliding mechanism; 701. a slide bar; 702. sleeving a base; 703. connecting columns.

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. 1-4, the present invention provides an embodiment of: a high fatigue strength coupler knuckle comprising:

the hook comprises a plate body 1, wherein a hook body 2 is arranged on the outer surface of the plate body 1, a hook tail 3 is fixedly arranged on the outer surface of the top end of the hook body 2, a hook tongue mechanism 4 is arranged at the bottom end of the hook body 2, a buckling block 5 is connected to the outer surface of the hook tongue mechanism 4, and a sliding mechanism 7 is arranged inside the hook tongue mechanism 4;

the stretching mechanism 6, the stretching mechanism 6 is installed inside the coupler knuckle mechanism 4, the stretching mechanism 6 includes a connecting plate 601, the connecting plate 601 is installed inside the coupler knuckle mechanism 4, an inserting rod 602 is inserted into the connecting plate 601, a bottom end fixedly connected with a telescopic rod 603 of the inserting rod 602, an outer surface sleeve of the telescopic rod 603 is provided with a telescopic spring 604, the inserting rod 602 penetrates through the inside of the connecting plate 601, the telescopic rod 603 is welded on the outer surface of the bottom end of the inserting rod 602, the telescopic rod 603 is connected with the telescopic spring 604 in a sliding and telescopic manner, the bottom end of the telescopic spring 604 is installed on the outer surface of the sliding mechanism 7, when the telescopic rod 603 is adjusted in the telescopic manner inside the telescopic spring 604, the connecting rod 403 can be controlled in stretching and telescopic manner, and therefore the movable buckling operation of the buckling block 5 is performed.

Further, knuckle mechanism 4 includes sliding seat 401, sliding seat 401 fixed mounting is at the surface of coupler body 2, sliding seat 401's inside is provided with mount pad 402, the surface mounting of mount pad 402 has connecting rod 403, the bottom surface of connecting rod 403 articulates there is articulated seat 404, connecting rod 403 rotates with articulated seat 404 to be connected, articulated seat 404 welds the surface at buckling piece 5, mount pad 402 passes through screw fixed mounting in sliding seat 401's inside, connecting rod 403 level is provided with two sets ofly, after buckling piece 5 is rotating and is adjusting, through being connected of connecting rod 403 and stretching mechanism 6, make connecting rod 403 after the articulated rotation with articulated seat 404, carry out the resilience operation of buckling piece 5 after the rotation.

Further, slide mechanism 7 includes slide bar 701, slide bar 701 sets up the inside at coupler knuckle mechanism 4, the surface cover of slide bar 701 is equipped with set seat 702, the bottom fixedly connected with spliced pole 703 of set seat 702 is established to the cover, set seat 702 is established at the surface sliding connection of slide bar 701, spliced pole 703 welds the bottom surface at set seat 702, set seat 702 is provided with two sets ofly, it is flexible with slide bar 701's slip to establish the seat 702 through the cover, make set seat 702 can carry out slide adjusting at slide bar 701's surface, and then adjust the displacement of connecting rod 403 after the drawing, the atress when rotating disperses, reduce coupler knuckle fatigue strength.

The working principle is as follows: when the movable rotation of the fastening block 5 is performed, firstly, after the rotation adjustment of the fastening block 5, the connection between the connecting rod 403 and the stretching mechanism 6 enables the connecting rod 403 to perform the rebounding operation of the fastening block 5 after the rotation after the hinged rotation with the hinged seat 404, and then when the telescopic rod 603 performs the telescopic adjustment in the telescopic spring 604, the connecting rod 403 can perform the stretching and stretching control, thereby performing the rebounding fastening of the fastening block 5.

Furthermore, the sliding expansion of the sleeving seat 702 and the sliding rod 701 enables the sleeving seat 702 to be adjusted in a sliding manner on the outer surface of the sliding rod 701, and further adjusts the displacement of the connecting rod 403 after stretching, so that the stress during the rotation is dispersed, and the fatigue degree is reduced.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a coupling knuckle that fatigue strength is high which characterized in that includes:

the hook comprises a plate body (1), wherein a hook body (2) is arranged on the outer surface of the plate body (1), a hook tail (3) is fixedly installed on the outer surface of the top end of the hook body (2), a hook tongue mechanism (4) is arranged at the bottom end of the hook body (2), a buckling block (5) is connected to the outer surface of the hook tongue mechanism (4), and a sliding mechanism (7) is arranged inside the hook tongue mechanism (4);

stretching mechanism (6), the internally mounted of coupler knuckle mechanism (4) has stretching mechanism (6), stretching mechanism (6) are including connecting plate (601), connecting plate (601) set up the inside at coupler knuckle mechanism (4), the inside of connecting plate (601) is inserted and is equipped with and inserts pole (602), the bottom fixedly connected with telescopic link (603) of inserting pole (602), the surface cover of telescopic link (603) is equipped with extension spring (604).

2. The coupler knuckle with high fatigue strength as claimed in claim 1, wherein: the inserting rod (602) penetrates through the connecting plate (601), the telescopic rod (603) is welded on the outer surface of the bottom end of the inserting rod (602), the telescopic rod (603) is connected with the telescopic spring (604) in a sliding and telescopic mode, and the bottom end of the telescopic spring (604) is installed on the outer surface of the sliding mechanism (7).

3. The coupler knuckle with high fatigue strength as claimed in claim 1, wherein: coupler knuckle mechanism (4) are including sliding seat (401), sliding seat (401) fixed mounting is at the surface of coupler body (2), the inside of sliding seat (401) is provided with mount pad (402), the surface mounting of mount pad (402) has connecting rod (403), the bottom surface of connecting rod (403) articulates there is articulated seat (404).

4. A high fatigue strength coupler knuckle as claimed in claim 3, further comprising: connecting rod (403) and articulated seat (404) rotate to be connected, articulated seat (404) welding is in the surface of lock piece (5), mount pad (402) are through screw fixed mounting in the inside of sliding seat (401), connecting rod (403) level is provided with two sets ofly.

5. A coupler knuckle with high fatigue strength as defined in claim 1, wherein: slide mechanism (7) include slide bar (701), slide bar (701) set up in the inside of coupler knuckle mechanism (4), the surface cover of slide bar (701) is equipped with set seat (702), the bottom fixedly connected with spliced pole (703) of set seat (702).

6. A high fatigue strength coupler knuckle as claimed in claim 5, further comprising: the sleeving seat (702) is connected with the outer surface of the sliding rod (701) in a sliding mode, the connecting columns (703) are welded on the outer surface of the bottom end of the sleeving seat (702), and two groups of sleeving seats (702) are arranged.