CN214676452U

CN214676452U - Locking mechanism for hydraulic lifter assembly of tractor

Info

Publication number: CN214676452U
Application number: CN202120387836.7U
Authority: CN
Inventors: 李松燕; 柳东鹏; 王兆华; 于家福; 原义吉
Original assignee: Shandong Hongyu Agricultural Machinery Co ltd
Current assignee: Shandong Hongyu Agricultural Machinery Co ltd
Priority date: 2021-02-22
Filing date: 2021-02-22
Publication date: 2021-11-12
Anticipated expiration: 2031-02-22

Abstract

The utility model provides a locking mechanism for tractor hydraulic pressure lifting mechanism assembly, including controlling two risers of placing, fixed mounting telescopic link between two risers, wherein the inboard middle part fixed connection external screw thread pipe of a riser, the inboard middle part of another riser rotates the one end of connecting the outer tube, movable mounting horizontal pole in the outer tube, the one end of horizontal pole set up can with external screw thread pipe complex screw, the other end and the adjacent riser of horizontal pole pass through connecting device and are connected, with the inboard lower part fixed mounting fastener of outer union coupling's riser, fastener can avoid taking place relative rotation between the part of outer tube and outer tube periphery suit. This device can be connected current tractor and agricultural implement before, compares in the agricultural implement of buying a batch and this tractor model matching again when changing the tractor, changes the locking joint and can practice thrift the fund, improves the utilization ratio of agricultural implement.

Description

Locking mechanism for hydraulic lifter assembly of tractor

Technical Field

The utility model belongs to the locking mechanical system field, specifically speaking are a locking mechanical system for tractor hydraulic pressure lifting mechanism assembly.

Background

Agricultural tractor is often used for pulling and drives various agricultural implement, and the agricultural implement replaces the manpower farming, realizes the farming mechanization, can appear damaging the unable condition that continues to use in the tractor use, and the tractor of newly purchasing at this moment is different with the agricultural implement model before, will appear agricultural implement and tractor outer lifting arm junction mismatch condition of misplacing, leads to the agricultural implement before can't use with current tractor cooperation.

SUMMERY OF THE UTILITY MODEL

The utility model provides a locking mechanism for tractor hydraulic pressure lifting mechanism assembly for solve the defect among the prior art.

The utility model discloses a following technical scheme realizes:

the utility model provides a locking mechanism for tractor hydraulic pressure lifting mechanism assembly, including controlling two risers of placing, fixed mounting telescopic link between two risers, wherein the inboard middle part fixed connection external screw thread pipe of a riser, the inboard middle part of another riser rotates the one end of connecting the outer tube, movable mounting horizontal pole in the outer tube, the one end of horizontal pole set up can with external screw thread pipe complex screw, the other end and the adjacent riser of horizontal pole pass through connecting device and are connected, with the inboard lower part fixed mounting fastener of outer union coupling's riser, fastener can avoid taking place relative rotation between the part of outer tube and outer tube periphery suit.

The locking mechanism for the hydraulic lifter assembly of the tractor comprises a first groove, one end of a cross rod, which is close to an outer pipe, is provided with the first groove, the top surface and the bottom surface of the inner wall of the first groove are fixedly provided with two first right-angle trapezoidal blocks, the middle part of the inner side of a vertical plate provided with the outer pipe is provided with a T-shaped groove, two T-shaped sliding blocks matched with the T-shaped groove are arranged in the T-shaped groove, the top surface of the upper T-shaped sliding block is fixedly connected with one end of a tension spring, the other end of the tension spring is fixedly connected with the top surface of the inner wall of the T-shaped groove, the bottom surface of the lower T-shaped sliding block is fixedly connected with one end of a first spring, the other end of the first spring is fixedly connected with the bottom surface of the inner wall of the T-shaped groove, the inner ends of the two T-shaped sliding blocks extend out of the corresponding T-shaped grooves and are respectively and fixedly connected with one end of a supporting rod, the other ends of the supporting rods are respectively and fixedly provided with wedge blocks, and the two wedge blocks are fixedly connected through a second spring, a second groove is formed in the outer side of the vertical plate provided with the outer pipe, the second groove is communicated with the inside of the T-shaped groove, an upper movable rod and a lower movable rod are arranged in the second groove, one ends of the two movable rods are fixedly connected with the outer ends of the adjacent T-shaped sliding blocks, and the other ends of the two movable rods extend out of the second groove.

According to the locking mechanism for the hydraulic lifter assembly of the tractor, the fastening device comprises an electric push rod, the outer side of a vertical plate connected with the outer pipe is fixedly provided with the electric push rod, the lower end of the electric push rod is fixedly connected with one side of the top surface of the transverse plate, and the middle of the top surface of the transverse plate is fixedly provided with the second right-angle trapezoidal block.

The utility model has the advantages that: the device is used for the locking process of an outer lifting arm and farm implements of a tractor lifter, and is particularly suitable for the condition that the caliber of a connector of the farm implements is larger than that of the outer lifting arm, in the using process, a user adjusts the connecting device to separate a cross rod from a vertical plate on one side, then rotates the cross rod to screw out the cross rod, at the moment, an outer pipe rotates along with the cross rod, the cross rod is separated from an outer threaded pipe, both ends of the cross rod are not contacted with the vertical plates any more, the cross rod can move left and right along the inner wall of the outer pipe, the vertical plates on both sides are respectively held by two hands of the user and pulled towards both sides, the distance between the vertical plates is increased, at the moment, a telescopic rod is stretched, the user places one vertical plate on one side of the connector of the outer lifting arm, the user enables the cross rod to sequentially pass through the connector of the farm implements and the connector of the outer lifting arm, because the models of the farm implements and the outer lifting arm are not matched, the calibers of the connectors are different, the farm tool connecting port is moved to the periphery of the outer pipe finally, the tractor lifting arm is sleeved on the periphery of the cross rod, then the cross rod is screwed on the outer threaded pipe again by a user, the vertical plate connected with the outer pipe is moved manually by the user, a connecting device between the vertical plate and the cross rod is restored to a state that the cross rod and the vertical plate are connected mutually, the two ends of the cross rod are fixed with the vertical plates on the two sides again at the moment, the cross rod cannot rotate, the outer pipe cannot rotate relative to the cross rod due to the fact that the outer pipe cannot rotate, farm tools sleeved on the outer pipe cannot rotate under the effect of the fastening device, and the telescopic rod cannot be stretched or compressed due to the fact that the position of the cross rod is fixed, namely all movable parts of the device are in a static state, when the lifting arm moves, the device can drive the farm tools to move synchronously, the device can connect the existing tractor with the former farm tools, compared with the situation that a batch of farm tools matched with the model of the tractor is purchased again when the tractor is replaced, the locking joint is replaced, so that the fund can be saved, and the utilization rate of the farm tool is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that 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 these drawings without inventive labor.

Fig. 1 is a schematic structural diagram of the present invention; FIG. 2 is an enlarged view of section I of FIG. 1; FIG. 3 is an enlarged view of the view from the direction A of FIG. 1; fig. 4 is an enlarged view of the view from direction B of fig. 2.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

A locking mechanism for a hydraulic lifter assembly of a tractor comprises two vertical plates 1 which are arranged on the left and right, a telescopic rod 2 is fixedly arranged between the two vertical plates 1, the telescopic rod 2 is horizontally arranged, two ends of the telescopic rod 2 are respectively fixedly connected with the upper parts of the inner sides of the corresponding vertical plates 1, the middle part of the inner side of one vertical plate 1 is fixedly connected with an external threaded pipe 3, the middle part of the inner side of the other vertical plate 1 is rotatably connected with one end of an external pipe 4, a cross rod 5 is movably arranged in the external pipe 4, the external pipe 4 and the cross rod 5 are both horizontally arranged, a sliding groove 6 is arranged on the periphery of the cross rod 5, a sliding block 7 matched with the sliding groove 6 is arranged in the sliding groove 6, the top surface of the sliding block 7 is fixedly connected with the inner wall of the external pipe 4, a screw hole 8 matched with the external threaded pipe 3 is arranged at one end of the cross rod 5, the other end of the cross rod 5 is connected with the adjacent vertical plate 1 through a connecting device, a fastening device is fixedly arranged at the lower part of the inner side of the vertical plate 1 connected with the external pipe 4, the fastening means are able to avoid relative rotation between the outer tube 4 and the parts of the outer jacket of the outer tube 4. The device is used for the locking process of an outer lifting arm of a tractor lifter and farm implements, and is particularly suitable for the condition that the caliber of a connector of the farm implements is larger than that of the connector of the outer lifting arm, in the using process, a user adjusts the connecting device to separate the cross rod 5 from the vertical plate 1 on one side, then the user rotates the cross rod 5 to screw out the cross rod 5, the outer pipe 4 rotates along with the cross rod 5, the cross rod 5 is separated from the outer threaded pipe 3, both ends of the cross rod 5 are not contacted with the vertical plates 1 any more, the cross rod 5 can move left and right along the inner wall of the outer pipe 4, two hands of the user respectively hold the vertical plates 1 on both sides and pull the vertical plates 1 to both sides, the distance between the vertical plates 1 is increased, the telescopic rod 2 is stretched, the user places one vertical plate 1 on one side of the outer lifting arm, and the user enables the cross rod 5 to sequentially pass through the connector of the farm implements and the outer lifting arm connector, because the models of the farm tool and the outer lifting arm are not matched, the calibers of the connectors are different, the farm tool connector is moved to the periphery of the outer pipe 4 finally, the tractor lifting arm is sleeved on the periphery of the cross rod 5, then the cross rod 5 is screwed on the outer threaded pipe 3 again by a user, the vertical plate 1 connected with the outer pipe 4 is moved manually by the user, the connecting device between the vertical plate 1 and the cross rod 5 is restored to the state that the cross rod 5 and the vertical plate 1 are connected with each other, the two ends of the cross rod 5 are fixed with the vertical plates 1 at the two sides again, the cross rod 5 cannot rotate, the outer pipe 4 cannot rotate because the outer pipe 4 cannot rotate relative to the cross rod 5, the farm tool sleeved on the outer pipe 4 cannot rotate under the action of the fastening device, and the telescopic rod 2 cannot be stretched or compressed because the position of the cross rod 5 is fixed, namely all movable parts of the device are in a static state, this device can drive agricultural implement synchronous motion when the lifing arm moves, and this device can be connected current tractor and agricultural implement before, compares in the agricultural implement of buying a batch and this tractor model matching again when changing the tractor, changes locking joint and can practice thrift the fund, improves the utilization ratio of agricultural implement.

Specifically, as shown in the figure, the connecting device according to the embodiment includes a first groove 9, one end of the cross bar 5 close to the outer tube 4 is provided with the first groove 9, both the top surface and the bottom surface of the inner wall of the first groove 9 are fixedly provided with two first right angle trapezoidal blocks 10, the wedge surfaces of the two first right angle trapezoidal blocks 10 are opposite, the middle part of the inner side of the vertical plate 1 provided with the outer tube 4 is provided with a T-shaped groove 11, two T-shaped sliders 12 matched with the T-shaped groove 11 are arranged in the T-shaped groove 11, the top surface of the upper T-shaped slider 12 is fixedly connected with one end of a tension spring 13, the other end of the tension spring 13 is fixedly connected with the top surface of the inner wall of the T-shaped groove 11, the tension of the tension spring 13 is much greater than the gravity of the T-shaped slider 12, the bottom surface of the lower T-shaped slider 12 is fixedly connected with one end of a first spring 14, the other end of the first spring 14 is fixedly connected with the bottom surface of the inner wall of the T-shaped groove 11, under the action of the tension spring 13 and the first spring 14, the distance between the two T-shaped sliders 12 and the central line of the T-shaped groove 11 is the same, the inner ends of the two T-shaped sliders 12 extend out of the corresponding T-shaped groove 11 and are fixedly connected with one end of a supporting rod 15 respectively, the other end of the supporting rod 15 is fixedly provided with a wedge block 16 respectively, the two supporting rods 15 are placed up and down, the two wedge blocks 16 are fixedly connected through a second spring 17, a second groove 18 is formed in the outer side of a vertical plate 1 provided with an outer pipe 4, the second groove 18 is communicated with the inside of the T-shaped groove 11, the longitudinal length of the second groove 18 is smaller than that of the T-shaped groove 11, an upper movable rod 19 and a lower movable rod 19 are arranged in the second groove 18, one end of each movable rod 19 is fixedly connected with the outer end of the adjacent T-shaped slider 12, and the other end of each movable rod 19 extends out of the second groove 18. When the cross rod 5 and the vertical plate 1 need to be separated, a user holds the two movable rods 19 with fingers, the movable rods 19 approach to each other to drive the T-shaped slide block 12 to move, the T-shaped slide block 12 drives the two support rods 15 and the two wedge-shaped blocks 16 to approach to each other, the two wedge-shaped blocks 16 are not in contact with the corresponding first right-angle trapezoid blocks 10 any more at the moment, the other hand of the user pulls the cross rod 5 to move leftwards, the user loosens the two movable rods 19 at the moment to complete the separation process of the cross rod 5 and the vertical plate 1, when the cross bar 5 and the vertical plate 1 need to be connected together again, a user only needs to push the cross bar 5 or the vertical plate 1 to be close to the other direction, in the process of pushing the two wedge blocks 16 to approach each other, the two wedge blocks 16 slide along the wedge faces corresponding to the first right-angle trapezoidal blocks 10 until the right-angle edges of the wedge blocks 16 are in contact with the right-angle edges of the first right-angle trapezoidal blocks 10, and the cross rod 5 and the vertical plate 1 are connected with each other.

Specifically, as shown in the figure, the fastening device described in this embodiment includes the electric push rod 20, connects the riser 1 outside fixed mounting electric push rod 20 of outer tube 4, and the expansion end of electric push rod 20 is vertical downwards, and the lower extreme fixed connection diaphragm 21 one side of top surface of electric push rod 20, the middle part fixed mounting second right angle trapezoidal piece 22 of diaphragm 21 top surface, second right angle trapezoidal piece 22 wedge face is towards outer tube 4. The user opens electric putter 20 and makes it extend, and electric putter 20 extension drives diaphragm 21 and second right angle trapezoidal piece 22 and moves down, and the user closes electric putter 20 after moving a section distance, then overlaps the agricultural implement interface on outer tube 4, and the user opens electric putter 20 once more, and electric putter 20 shrink this moment is laminated with the wedge-shaped surface of agricultural implement interface up to the wedge-shaped surface of second right angle trapezoidal piece 22, closes electric putter 20.

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, it should be understood by those skilled in the art 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

1. The utility model provides a locking mechanism for tractor hydraulic pressure riser assembly which characterized in that: including controlling two risers (1) of placing, fixed mounting telescopic link (2) between two risers (1), wherein the inboard middle part fixed connection external screw thread pipe (3) of riser (1), the inboard middle part of another riser (1) rotates the one end of connecting outer tube (4), movable mounting horizontal pole (5) in outer tube (4), the one end of horizontal pole (5) is seted up can with external screw thread pipe (3) complex screw (8), the other end and adjacent riser (1) of horizontal pole (5) are connected through connecting device, the inboard lower part fixed mounting fastener of riser (1) of being connected with outer tube (4), fastener can avoid taking place relative rotation between the part of outer tube (4) and outer tube (4) periphery suit.

2. The latch mechanism for a tractor hydraulic lifter assembly of claim 1 further comprising: the connecting device comprises a first groove (9), one end of the cross rod (5) close to the outer pipe (4) is provided with the first groove (9), the top surface and the bottom surface of the inner wall of the first groove (9) are fixedly provided with two first right angle trapezoidal blocks (10), the middle part of the inner side of the vertical plate (1) provided with the outer pipe (4) is provided with a T-shaped groove (11), two T-shaped sliding blocks (12) matched with the T-shaped groove (11) are arranged in the T-shaped groove (11), the top surface of the upper T-shaped sliding block (12) is fixedly connected with one end of a tension spring (13), the other end of the tension spring (13) is fixedly connected with the top surface of the inner wall of the T-shaped groove (11), the bottom surface of the lower T-shaped sliding block (12) is fixedly connected with one end of a first spring (14), the other end of the first spring (14) is fixedly connected with the bottom surface of the inner wall of the T-shaped groove (11), the inner ends of the two T-shaped sliding blocks (12) extend out of the corresponding T-shaped groove (11) and are respectively and fixedly connected with one end of a supporting rod (15), the other end of bracing piece (15) is fixed mounting wedge (16) respectively, through second spring (17) fixed connection between two wedge (16), second recess (18) are seted up in riser (1) outside of installing outer tube (4), second recess (18) and T type groove (11) inside intercommunication, be equipped with two movable rod (19) from top to bottom in second recess (18), the one end of two movable rod (19) and the outer end fixed connection of adjacent T type slider (12), the other end of two movable rod (19) all stretches out outside second recess (18).

3. The latch mechanism for a tractor hydraulic lifter assembly of claim 1 further comprising: the fastening device comprises an electric push rod (20), wherein the electric push rod (20) is fixedly installed on the outer side of a vertical plate (1) connected with the outer pipe (4), the lower end of the electric push rod (20) is fixedly connected with one side of the top surface of a transverse plate (21), and a second right-angle trapezoidal block (22) is fixedly installed in the middle of the top surface of the transverse plate (21).