CN115195894A

CN115195894A - Saddle and traction truck

Info

Publication number: CN115195894A
Application number: CN202210279417.0A
Authority: CN
Inventors: 尹中保; 许家毅; 周志斌; 栗广生; 周文; 陆增俊
Original assignee: Dongfeng Liuzhou Motor Co Ltd
Current assignee: Dongfeng Liuzhou Motor Co Ltd
Priority date: 2022-03-21
Filing date: 2022-03-21
Publication date: 2022-10-18
Anticipated expiration: 2042-03-21
Also published as: CN115195894B

Abstract

The invention relates to the field of tractors and discloses a saddle and a traction truck, which comprise: saddle casing, saddle support, first round pin axle, jack catch, upset lid, actuating mechanism and elasticity ejection mechanism, the cooperation of saddle support and upset lid forms the storage tank, and first round pin axle is installed in saddle casing and is located the storage tank in, and the jack catch will overturn the lid chucking on the saddle support, and the elasticity ejection mechanism that the cooperation holding tank bottom is connected makes the jack catch switch between locking state and open mode. The invention has the beneficial effects that: the U-shaped opening on saddle casing and the casing of being convenient for quick replacement need not to demolish the bolt, can switch over the jack catch to the open mode fast through actuating mechanism simultaneously when the trailer turns on one's side, pops out the saddle casing, and the protection owner car does not turn on one's side.

Description

Saddle and traction truck

Technical Field

The invention relates to the field of tractors, in particular to a saddle and a traction truck.

Background

The trailer is characterized in that the trailer is a special vehicle capable of driving the trailer to move together, the saddle is a structure for connecting the trailer on the trailer, the U-shaped opening of the existing saddle matched with the trailer has two specifications of 90 and 50, and the existing saddle and the trailer cannot be used universally, and the two specifications are different only in the U-shaped opening, and the others are basically consistent. The saddle can be replaced according to needs for adapting to different trailers, when the saddle is replaced by the conventional structure, generally, a connecting bolt for connecting a saddle fixing plate and a truck frame is firstly removed, then a bolt for connecting the saddle and the saddle fixing plate is removed, and finally the saddle is replaced and the bolt is reassembled, so that the time and labor are wasted in the process, the main reason is that the fixing bolt for fixing the saddle and the saddle is shielded in the space at the lower part of a saddle shell, and the number of the bolts to be removed is large; in addition, when the vehicle takes place to turn on one's side the twinkling of an eye, the trailer generally takes place to turn on one's side earlier because the goods is heavy and the focus is high, because of the unable autosegregation of current saddle, can drive the main car through the saddle after the trailer turns on one's side and take place to turn on one's side together, not only the goods receives the damage after turning on one's side, and vehicle itself especially main car frame etc. can receive the damage, and often can cause driver and crew member injured or even die.

Disclosure of Invention

The utility model provides a first purpose provides a saddle, and this saddle passes through jack catch and flip lid cooperation, makes the change of saddle casing more convenient, and can in time break off the owner's car when the trailer takes place to turn on one's side the scheduling problem, protects the personnel on the owner's car.

The purpose of the application is realized by the following technical scheme:

a bulk material shearing device comprising: a saddle shell, a saddle support, a first pin shaft, a clamping jaw, a turnover cover, a driving mechanism and an elastic ejection mechanism,

the top of the saddle support is provided with an accommodating groove, the elastic ejection mechanism is arranged at the bottom of the accommodating groove, the first pin shaft is arranged on the saddle shell, the first pin shaft is placed in the accommodating groove and enables the elastic ejection mechanism to be pre-deformed, the first end of the turnover cover is rotatably connected to the saddle support, the turnover cover covers the top of the first pin shaft, the middle of the clamping jaw is rotatably connected to one side of the saddle support through a second pin shaft, an elastic piece is connected between the first end of the clamping jaw and the saddle support, and the second end of the clamping jaw is matched with the second end of the turnover cover for locking;

the power output end of the driving mechanism can drive the clamping jaw to rotate around the second pin shaft, so that the second end of the clamping jaw and the second end of the turnover cover are unlocked, and the elastic ejection mechanism resists pre-deformation and pushes the first pin shaft upwards to eject the first pin shaft out of the accommodating groove.

In some embodiments of this application, the jack catch includes the claw body and presses the claw, press the claw connect in the top of the claw body, the middle part of the claw body is passed through second round pin axle rotate connect in one side of saddle support, actuating mechanism's power take off end can drive the claw body winds second round pin axle rotates, the claw body press the claw with inject between the saddle support and form the joint position, the second end joint of upset lid in joint position and butt in the below of pressing the claw.

In some embodiments of this application, flip cover includes the joint section, the joint section is located flip cover's second end, the joint section has first plane, works as when the jack catch is in the locking state, first plane butt in the below of pressing the claw, follow flip cover's side is seen, first planar rear end is higher than first planar front end.

In some embodiments of this application, the flip lid still includes spacing section, spacing section is located the first end of flip lid, works as when the jack catch is in the open mode, spacing section can the butt in on the saddle support, be used for the restriction the flip lid is to deviating from the direction rotation of storage tank.

In some embodiments of this application, the flip lid still includes to press the section, press the section to be located the second end of flip lid and be connected in the rear side of joint section, press the section to have the second plane, work as the jack catch is in the open mode just spacing section butt in when the saddle support, follow the side of flip lid sees, the second planar rear end is higher than the planar front end of second.

In some embodiments of this application, the flip lid still includes the installation section, the installation section through third round pin hub rotate connect in on the saddle support, the installation section the saddle support with elasticity ejection mechanism is injectd and is formed the storage tank, the joint section with the one end of installation section is connected, spacing section with the other end of installation section is connected.

In some embodiments of the present application, when the jaw is in the locked state, a contact portion of the pin with the flip cover is less than a half of a circular arc, and a contact portion of the pin with the saddle support is greater than a half of a circular arc.

In some embodiments of the present application, the elastic ejection mechanism includes a protrusion and an ejection spring, the protrusion is connected to the bottom of the receiving groove, one end of the ejection spring is connected to the bottom of the protrusion, and the other end of the ejection spring is connected to the saddle support.

In some embodiments of the present application, the saddle support further comprises a rubber pad, the rubber pad is disposed on the saddle support, and when the claw is in the locking state, the second end of the flip cover is pressed against the rubber pad.

A second object of the present application is to provide a tow truck comprising: the saddle comprises a saddle body and a clamping head, wherein the saddle body is arranged at the rear part of the clamping head.

The utility model provides a saddle and traction truck, it is articulated through first round pin axle with saddle casing and saddle support, make saddle casing rotate relative saddle support, and utilize actuating mechanism drive jack catch, make the jack catch can switch between locking state and open mode, thereby compress tightly the flip lid in the jack catch and utilize the flip lid to compress tightly first round pin axle, or make the flip lid deviate from the jack catch, and utilize elasticity ejection mechanism to ejecting first round pin axle from the holding tank, the horse hoof mouth on quick replacement saddle casing and the casing of being convenient for, need not to demolish the bolt, can switch the jack catch to open mode fast through actuating mechanism when the trailer turns on one's side simultaneously, pop out the saddle casing, the protection main car does not turn on one's side.

Drawings

Figure 1 is a side view of the saddle of the present solution;

FIG. 2 is a schematic overall structure diagram of the clamping jaw in the locking state according to the scheme;

fig. 3 is a schematic overall structure diagram of the claw of the scheme in an opening state;

FIG. 4 is a schematic structural diagram of the turnover cover when the clamping jaws of the scheme are in a locking state;

FIG. 5 is a schematic structural view of the turnover cover when the claw of the scheme is in an open state;

fig. 6 is a schematic structural view of the jaw of the present solution.

In the figures, 1, saddle shell; 2. a saddle support; 3. a first pin shaft; 4. a claw; 41. a claw body; 42. pressing claws; 5. turning over the cover; 51. a clamping section; 511. a first plane; 52. a limiting section; 53. a pressing section; 531. a second plane; 54. an installation section; 6. a drive mechanism; 7. an elastic ejection mechanism; 71. a bump; 72. ejecting a spring; 8. a containing groove; 9. a second pin shaft; 10. An elastic member; 11. clamping; 12. a third pin shaft; 13. and (7) a rubber pad.

Detailed Description

The following detailed description of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present application, it should be understood that the terms "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", and the like used herein indicate orientations or positional relationships based on those shown in the drawings, and are only used for convenience in describing the present invention and for simplification of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In this embodiment, the term "front" means a direction of a front end of the towing truck, and the term "rear" means a direction of a rear end of the towing truck. 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.

As shown in fig. 1-3, a first aspect of an embodiment of the present application proposes a saddle comprising: a saddle shell 1, a saddle support 2, a first pin shaft 3, a claw 4, a turnover cover 5, a driving mechanism 6 and an elastic ejection mechanism 7,

the top of the saddle support 2 is provided with an accommodating groove 8, the elastic ejection mechanism 7 is arranged at the bottom of the accommodating groove 8, the first pin shaft 3 is mounted on the saddle shell 1, the first pin shaft 3 is placed in the accommodating groove 8 and pre-deforms the elastic ejection mechanism 7, the first end of the turnover cover 5 is rotatably connected to the saddle support 2, the turnover cover 5 covers the top of the first pin shaft 3, the middle part of the jaw 4 is rotatably connected to one side of the saddle support 2 through a second pin shaft 9, an elastic element 10 is connected between the first end of the jaw 4 and the saddle support 2, and the second end of the jaw 4 is matched with the second end of the turnover cover 5 for locking;

the power output end of the driving mechanism 6 can drive the jaw 4 to rotate around the second pin shaft 9, so that the second end of the jaw 4 and the second end of the turnover cover 5 are unlocked, and the elastic ejection mechanism 7 resists pre-deformation to push the first pin shaft 3 upwards, so that the first pin shaft 3 is ejected out of the accommodating groove 8.

Based on the technical scheme, the saddle and the traction truck have the advantages that the saddle shell 1 is hinged to the saddle support 2 through the first pin shaft 3, the saddle shell 1 can rotate relative to the saddle support 2, the claw 4 is driven by the driving mechanism 6, the claw 4 can be switched between the locking state and the opening state, the turnover cover 5 is tightly pressed on the claw 4, the first pin shaft 3 is tightly pressed by the turnover cover 5, or the turnover cover 5 can be separated from the claw 4, the first pin shaft 3 is ejected out of the accommodating groove 8 by the elastic ejection mechanism 7, the horseshoe openings in the saddle shell 1 and the shell can be replaced conveniently, bolts do not need to be dismounted, the claw 4 can be switched to the opening state quickly through the driving mechanism 6 when the trailer turns on one side, the saddle shell 1 is ejected out, and the trailer is protected from turning on one side. The elastic ejection mechanism 7 enables the first pin 3 to be given an upward ejection force when the jaw 4 is switched from the locked state to the unlocked state, so that the first pin 3 and the saddle shell 1 can be smoothly separated from the saddle support 2. The driving mechanism 6 is preferably automatically controlled by a sensor, so that the claws 4 can be opened at the moment that the trailer turns over, the trailer is separated from the main trailer, and the safety is improved. The function of the elastic element 10 is to return the claws 4 to a locked state, ensuring that the claws 4 always apply a pressing force to the flip cover 5 under normal use conditions. The improved connection mode of the saddle, the frame and the trailer does not change, a connection structure does not need to be redesigned, the cost change is small, and the improved saddle is easy to popularize and use.

In some embodiments of the present application, as shown in fig. 2, 3 and 6, the claw 4 includes a claw body 41 and a pressing claw 42, the pressing claw 42 is connected to the top of the claw body 41, the middle part of the claw body 41 is connected to one side of the saddle support 2 through the second pin shaft 9, the power output end of the driving mechanism 6 can drive the claw body 41 to rotate around the second pin shaft 9, the claw body 41, the pressing claw 42 and the saddle support 2 are limited to form a clamping position 11, and the second end of the turnover cover 5 is clamped to the clamping position 11 and abuts against the lower side of the pressing claw 42. The turnover cover 5 is tightly pressed on the saddle support 2 through the pressing claw 42, the middle part of the clamping claw 4 is hinged to the saddle support 2 and is preferably rotatably connected through the second pin shaft 9, the bottom of the clamping claw 4 can move left and right under the driving of the driving mechanism 6, so that the pressing claw 42 moves left and right, and when the pressing claw 42 is separated from the turnover cover 5, the turnover cover 5 can rotate relative to the saddle support 2, so that the first pin shaft 3 and the saddle shell 1 can be separated from the saddle support 2. The way that the middle part of the jaw 4 is hinged to the saddle support 2 can save space to the utmost extent, and the switch response is quick, thus being beneficial to the installation and the action of the jaw 4.

Specifically, as shown in fig. 4 and 5, the flip cover 5 includes a clamping section 51, the clamping section 51 is located at the second end of the flip cover 5, the clamping section 51 has a first plane 511, when the claw 4 is in the locking state, the first plane 511 abuts against the lower side of the pressing claw 42, and when viewed from the side of the flip cover 5, the rear end of the first plane 511 is higher than the front end of the first plane 511. The clamping section 51 is matched and propped against the pressing claw 42, at this time, the first plane 511 and the horizontal plane form a certain included angle which is not too large, when the clamping claw 4 is in a locking state, the pressing claw 42 is propped against the first plane 511 to provide downward pressure to the first plane 511, the pressure can be decomposed into two component forces, one component force is perpendicular to the first plane 511, and the other component force is obliquely downward along the first plane 511, so that the positive pressure applied to the second end of the turnover cover 5 can be effectively reduced, and the turnover cover 5 can be separated from the clamping claw 4 more easily.

More specifically, as shown in fig. 4 and 5, the flip cover 5 further includes a limiting section 52, the limiting section 52 is located at a first end of the flip cover 5, and when the claw 4 is in the open state, the limiting section 52 can abut against the saddle support 2 to limit the flip cover 5 from rotating in a direction away from the accommodating groove 8. Spacing section 52 can play limiting displacement, is provided with spacing face on it, when flip lid 5 overturns a certain position, spacing face can the butt on saddle support 2, and restriction flip lid 5 continues to rotate towards the direction that deviates from storage tank 8, because saddle casing 1 need utilize the saddle pressure to install on flip lid 5 when changing, thereby spacing section 52 can prevent that flip lid 5's rotation angle is too big to influence saddle casing 1's change.

More specifically, as shown in fig. 4 and 5, the flip cover 5 further includes a pressing section 53, the pressing section 53 is located at the second end of the flip cover 5 and is connected to the front side of the clamping section 51, the pressing section 53 has a second plane 531, and when the clamping jaw 4 is in the open state and the limiting section 52 abuts against the saddle seat 2, the rear end of the second plane 531 is higher than the front end of the second plane 531 when viewed from the side of the flip cover 5. When spacing section 52 butt on saddle support 2, have certain contained angle between second plane 531 and the horizontal plane, and its rear end is a little higher than the front end, when changing saddle casing 1, saddle casing 1 can press on second plane 531 to press down the assembly easily, flip cover 5 can overturn correctly under the interact power, and the joint is in the below of jack catch 4, thereby locks first round pin axle 3. Preferably, the smooth transition between the first plane 511 and the second plane 531 makes the press-down assembly of the saddle housing 1 easier and can effectively avoid the jaws 4 from scratching.

More specifically, as shown in fig. 4 and 5, the flip cover 5 further includes a mounting section 54, the mounting section 54 is rotatably connected to the saddle seat 2 through a third pin 12, the mounting section 54, the saddle seat 2 and the elastic ejection mechanism 7 define and form the receiving groove 8, the snap-in section 51 is connected to one end of the mounting section 54, and the limiting section 52 is connected to the other end of the mounting section 54. The mounting section 54 is preferably rotatably connected with the saddle support 2 by the third pin 12, the connection is reliable and stable, and the clamping section 51 and the mounting section 54 are smoothly transited for convenient processing.

In some embodiments of the present application, as shown in fig. 2, when the blocking jaw 4 is in the locking state, the contact portion of the first pin 3 with the flip cover 5 is less than a half of a circular arc, and the contact portion of the first pin 3 with the saddle support 2 is greater than a half of a circular arc. The partial arc length that turnover lid 5 and saddle casing 1 formed storage tank 8 is different, the arc length of turnover lid 5 is less than the semicircle, the arc length of saddle casing 1 is greater than the semicircle, the two forms a whole circle jointly, supply the installation of first round pin axle 3, can guarantee like this that the saddle mainly provides traction force by saddle support 2 in the use, reduce the effort that turnover lid 5 received, the reliability of system has been increased, when guaranteeing saddle casing 1 and saddle support 2 separation simultaneously, first round pin axle 3 on the saddle casing 1 can not block on turnover lid 5.

In some embodiments of the present application, as shown in fig. 2 and 3, the elastic ejection mechanism 7 includes a protrusion 71 and an ejection spring 72, the protrusion 71 is connected to the bottom of the receiving groove 8, one end of the ejection spring 72 is connected to the bottom of the protrusion 71, and the other end of the ejection spring 72 is connected to the saddle support 2. The lug 71 can eliminate the assembly problem caused by manufacturing errors, and when the claw 4 is in a locking state, the lug 71 compresses the ejection spring 72, so that when the turnover cover 5 is switched from the locking state to an opening state, the ejection spring 72 can give an elastic force to the lug 71 to eject the lug 71 into the accommodating groove 8, and therefore the first pin shaft 3 is ejected out of the accommodating groove 8, the saddle shell 1 is separated from the saddle support 2, and the purposes of quickly replacing the saddle shell 1 and quickly separating the saddle shell are achieved.

In some embodiments of the present application, as shown in fig. 2 and 3, the saddle support 2 further includes a rubber pad 13, the rubber pad 13 is disposed on the saddle support 2, and when the claws 4 are in the locking state, the second end of the flip cover 5 is pressed against the rubber pad 13. The rubber pad 13 can ensure that the clamping jaw 4 is tightly matched with the turnover cover 5, and can prevent the turnover cover 5 from being rigidly connected with the saddle support 2 to cause damage.

A second aspect of embodiments of the present application provides a tow truck comprising: the saddle comprises a saddle body and a clamping head, wherein the saddle body is arranged at the rear part of the clamping head. The truck head and the trailer are connected by the saddle, thereby achieving the purpose of carrying goods.

In summary, according to the saddle and the traction truck, the saddle shell 1 and the saddle support 2 are hinged through the first pin shaft 3, the saddle shell 1 can rotate relative to the saddle support 2, the jaw 4 is driven by the driving mechanism 6, the jaw 4 can be switched between the locking state and the opening state, the turnover cover 5 is pressed on the jaw 4, the first pin shaft 3 is pressed by the turnover cover 5, or the turnover cover 5 can be separated from the jaw 4, the first pin shaft 3 is ejected out of the accommodating groove 8 by the elastic ejection mechanism 7, the horseshoe openings in the saddle shell 1 and the shell can be replaced quickly, bolts do not need to be removed, the jaw 4 can be switched to the opening state quickly by the driving mechanism 6 when the trailer turns on the side, the saddle shell 1 is ejected, and the main truck is protected from turning on the side.

The foregoing are only preferred embodiments of the present application, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present application, and these modifications and substitutions should also be considered as the protection scope of the present application.

Claims

1. A saddle, comprising: a saddle shell, a saddle support, a first pin shaft, a clamping jaw, a turnover cover, a driving mechanism and an elastic ejection mechanism,

2. The saddle according to claim 1, wherein the clamping jaw comprises a jaw body and a pressing jaw, the pressing jaw is connected to the top of the jaw body, the middle of the jaw body is rotatably connected to one side of the saddle support through the second pin shaft, the power output end of the driving mechanism can drive the jaw body to rotate around the second pin shaft, a clamping position is defined among the jaw body, the pressing jaw and the saddle support, and the second end of the turnover cover is clamped in the clamping position and abutted against the lower side of the pressing jaw.

3. Saddle according to claim 2, wherein the flip cover comprises a clamping section at the second end of the flip cover, the clamping section having a first plane abutting below the pressing claw when the clamping jaw is in the locked state, the rear end of the first plane being higher than the front end of the first plane as seen from the side of the flip cover.

4. The saddle of claim 3, wherein the flip cover further comprises a limiting section, the limiting section is located at the first end of the flip cover, and when the clamping jaw is in the open state, the limiting section can abut against the saddle support to limit the flip cover from rotating in a direction away from the accommodating groove.

5. Saddle according to claim 4, wherein the flip cover further comprises a pressing section located at the second end of the flip cover and connected to the rear side of the clamping section, the pressing section having a second plane, when the clamping jaw is in the open state and the limiting section abuts against the saddle seat, the rear end of the second plane is higher than the front end of the second plane when viewed from the side of the flip cover.

6. The saddle according to claim 5, wherein the flip cover further comprises a mounting section rotatably connected to the saddle support via a third pin, the mounting section, the saddle support and the elastic ejection mechanism define the receiving groove, the clamping section is connected to one end of the mounting section, and the limiting section is connected to the other end of the mounting section.

7. Saddle according to any one of claims 1 to 6, wherein when said jaws are in the locking condition, the contact portion of said first pin with said flip cover is less than a half arc and the contact portion of said first pin with said saddle support is greater than a half arc.

8. Saddle according to any one of claims 1 to 6, wherein said elastic ejection mechanism comprises a projection connected to the bottom of said housing groove and an ejection spring connected at one end to the bottom of said projection and at the other end to said saddle support.

9. Saddle according to any one of claims 1 to 6, further comprising a rubber pad provided on the saddle support against which the second end of the flip cover presses when the pawl is in the locked state.

10. A tow truck, comprising: a saddle as claimed in any one of claims 1 to 9, and a truck head, the saddle being provided at a rear portion of the truck head.