Loader traction device

Abstract

A loader traction device comprises a loader and is characterized in that the loader traction device comprises a fixing mechanism, the fixing mechanism comprises two fixing plates, one side of each fixing plate is connected to the loader, the other side of each fixing plate is connected to a loaded machine, a loading mechanism is arranged between the two fixing plates, the loading mechanism comprises a connecting shaft, and the connecting shaft is connected with the loader. The two ends of the connecting shaft are each provided with a hydraulic oil bin, the two ends of the connecting shaft penetrate into the two hydraulic oil bins respectively, the outer side of the connecting shaft is slidably connected with the inner walls of the hydraulic oil bins, a plurality of guide pipes are arranged between the two hydraulic oil bins, and inner cavities of the guide pipes communicate with inner cavities of the two hydraulic oil bins. According to the loading machine traction device, a loading machine and a traction machine are firmly connected, in the traction process, the direction adjusting mechanism and the auxiliary mechanism are matched to adapt to fluctuation of a road, the overturning risk caused by rigid structure connection is avoided, the bearing mechanism has the large bearing capacity, and therefore the loading machine traction device is convenient to use. The traction force requirement can be met.

Description

TECHNICAL FIELD

[0001] The utility model relates to loader technical field, concretely relates to a loader traction device. BACKGROUND

[0002] As the backbone of heavy engineering equipment, the loader can show its ability in various construction sites with its powerful shovel and flexible mobility. It can not only efficiently complete the material loading and transfer task, but also has excellent stability and adaptability, and is an indispensable tool to improve engineering efficiency.

[0003] The traction device of the loader is an important component for expanding the working range of the loader. The device can safely and stably tow other heavy machinery or trailers. Through the transmission system and powerful traction, the loader can easily tow heavy equipment, realize multi-machine cooperative operation, greatly improve the construction efficiency and flexibility, and is an indispensable power in complex engineering projects.

[0004] At present, the loader can meet the demand for large traction force during traction operation. However, due to the unevenness, undulation and slope of the construction site road, the loader and the towed machinery will produce irregular shaking during the traction process. Since the direction and intensity of the shaking of the two have great uncertainty, the center of gravity of the loader and the towed machinery will shift greatly, and the wear of the traction device will also increase. At the same time, there is a lack of corresponding buffer mechanism at the turning and steep slope, which is easy to cause overturning, rollover and other dangers. UTILITARIAN CONTENT

[0005] The utility model aims to provide an improved loader traction device to solve the above-mentioned deficiencies in the prior art.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A loader traction device, comprising a loader, a fixing mechanism, the fixing mechanism comprising a fixing plate, the fixing plate being provided with two, a loading mechanism being provided between the two fixing plates, the fixing plate and the loading mechanism forming a traction device, one side of the traction device being connected to the loader, the other side being connected to the towed machinery, the loading mechanism comprising a connecting shaft, each end of the connecting shaft being provided with a hydraulic oil tank, the hydraulic oil tank being sleeved at each end of the connecting shaft, the connecting shaft end sliding along the inner wall of the hydraulic oil tank, a plurality of conduits being provided between the two hydraulic oil tanks, the conduit lumen being in communication with the two hydraulic oil tank lumens, and hydraulic oil being injected into the conduit lumen and the two hydraulic oil chambers.

[0008] Further, the hydraulic oil tank and the plurality of conduits form a cage, and the connecting shaft slides in the cage.

[0009] Further, the loading mechanism and the fixed plate are provided with a direction adjusting mechanism, the direction adjusting mechanism comprises a fork I, a fork II and a cross shaft, the fork I is arranged on the fixed plate, the fork II is arranged on the end face of the hydraulic oil tank close to the fixed plate, the cross shaft is arranged between the fork I and the fork II, the cross shaft is provided with four symmetrical end portions, two mutually symmetrical end portions are rotatably connected to the inner side of the fork I, and the other two mutually symmetrical end portions are rotatably connected to the inner side of the fork II;

[0010] The rotation between the fork I and the cross shaft is used to offset the speed direction difference in the vertical direction between the loading machine and the loaded machine, and the rotation between the fork II and the cross shaft is used to offset the speed direction difference in the horizontal direction between the loading machine and the loaded machine.

[0011] Further, the direction adjusting mechanism and the loading mechanism are provided with an auxiliary mechanism, the auxiliary mechanism comprises an auxiliary sleeve, a hydraulic ring cavity and a spherical member, the auxiliary sleeve is fixedly installed on the fixed plate, the auxiliary sleeve is sleeved on the outer side of the direction adjusting mechanism, the end of the auxiliary sleeve away from the fixed plate is provided with the hydraulic ring cavity, the inner side of the hydraulic ring cavity is provided with a plurality of through holes, the plurality of through holes are distributed in a circumferential array, the through holes are in communication with the inside of the hydraulic ring cavity, the spherical member is fixedly installed on the side of the fork II close to the hydraulic oil cavity, the hydraulic ring cavity is sleeved on the outer side of the spherical member, the outer wall of the spherical member close to the hydraulic ring cavity is provided with a plurality of direction adjusting members, and the direction adjusting members are slidably installed in the through holes in a one-to-one correspondence; the outer wall of the direction adjusting member is slidably connected to the inner wall of the through hole.

[0012] The auxiliary mechanism limits the speed of movement, prevents mechanical damage caused by the sudden increase of the movement amplitude, the movement of the fork II drives the movement of the spherical member, and the change of the position of the spherical member will extrude the direction adjusting member in a certain direction, the direction adjusting member slides in the inner wall of the through hole, the inner cavity of the hydraulic oil tank is filled with hydraulic oil, the movement of the direction adjusting member to the inner cavity of the hydraulic oil tank will push the hydraulic oil to flow to the position with smaller pressure, push the direction adjusting member not extruded to move to the direction of the spherical member, and then extrude the spherical member, the movement speed of the spherical member is adjusted by the hydraulic mode, and the direction adjusting member and the inner wall of the through hole are sealed while realizing the sliding connection.

[0013] Further, a plurality of buffer springs are arranged between the two hydraulic oil tanks, the buffer springs are arranged on the outer side of the connecting shaft, and the buffer springs are arranged on the opposite sides of the two hydraulic oil tanks.

[0014] In the process of reducing the total length of the connecting shaft and the two hydraulic oil tanks, in order to further improve the buffering effect and disperse the axial stress of the connecting shaft, the buffering mechanism is arranged, the spring is deformed to absorb energy and realize buffering in the process of moving the connecting shaft.

[0015] Further, the loading mechanism is provided with a dust cover outside, two ends of the dust cover are fixed on the two auxiliary sleeves respectively.

[0016] The dust cover is used for protecting the bearing mechanism and the buffering mechanism, preventing sand and gravel on the construction site from entering to affect the operation of the machine, the dust cover is made of soft deformable material and has wear-resistant characteristics, and can adapt to the change of the overall shape of the loading mechanism.

[0017] Further, the dust cover is arranged on the opposite side of the two auxiliary sleeves.

[0018] Further, the loading machine tail is provided with a reinforcing beam, a fixing plate is connected to the reinforcing beam, a plurality of screw holes I are arranged on the reinforcing beam, a plurality of screw holes II are arranged on the fixing plate, the screw holes I and the screw holes II are one-to-one corresponding, bolts are arranged in the screw holes I and the screw holes II, and the fixing plate close to the loading machine is fixedly connected with the reinforcing beam through the bolts.

[0019] Before the loading machine is used to tow other machines, a stable connection relationship among the loading machine, the loading mechanism and the loaded machine needs to be established, in use, one of the fixing plates is arranged on one side of the reinforcing beam, the screw holes I are aligned with the screw holes II, then the bolts are screwed into the screw holes I and the screw holes II, so that the fixing plate is fixed on one side of the reinforcing beam, and then the other fixing plate is fixed and arranged on a proper position of the loaded machine in the same way.

[0020] Further, the connecting shaft is provided with protrusions at two ends, and the protrusions of the connecting shaft abut against the inner wall of the hydraulic oil tank. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is an assembly view of the utility model and the loading machine;

[0022] Figure 2 It is a structural view of the utility model;

[0023] Figure 3 It is an assembly view of the utility model fixing mechanism and the loading machine on one side;

[0024] Figure 4 It is an assembly view of the utility model fixing mechanism and the loaded machine on one side;

[0025] Figure 5 It is a sectional view of the utility model;

[0026] Figure 6 It is a sectional view of the utility model turning mechanism and auxiliary mechanism;

[0027] Figure 7 It is a sectional view of the utility model loading mechanism.

[0028] In the figure, 1 - loader, 11 - reinforcing beam, 12 - screw hole I, 2 - fixing mechanism, 21 - fixing plate, 22 - screw hole II, 23 - bolt, 3 - loading mechanism, 31 - steering mechanism, 311 - fork I, 312 - cross shaft, 313 - fork II, 32 - auxiliary mechanism, 321 - auxiliary sleeve, 322 - hydraulic ring cavity, 323 - spherical part, 324 - through hole, 325 - steering part, 331 - hydraulic oil tank, 332 - connecting shaft, 333 - conduit, 34 - buffer spring, 35 - dust cover. DETAILED DESCRIPTION

[0029] The technical scheme of the utility model will be further explained in connection with the drawings.

[0030] As Figures 1-7 shown, a loader traction device, comprising loader 1, comprising fixing mechanism 2, fixing mechanism 2 includes fixing plate 21, fixing plate 21 is equipped with two, one side is connected to the loader 1, the other side is connected to the towed machinery, the tail of loader 1 is equipped with reinforcing beam 11, reinforcing beam 11 is connected with fixing plate 21, reinforcing beam 11 is equipped with a plurality of screw hole I 12, fixing plate 21 is equipped with a plurality of screw hole II 22, screw hole I 12 and screw hole II 22 one-to-one correspondence, screw hole I 12 and screw hole II 22 are connected with bolt 23, fixing plate 21 is equipped with loading mechanism 3 between, fixing plate 21 and loading mechanism 3 constitute traction device, the fixing plate 21 of traction device close to the side of loader 1 is fixedly connected with reinforcing beam 11 through bolt 23, the fixing plate 21 of traction device away from the side of loader 1 is installed on the side of the machinery to be towed through bolt 23 and screw hole II 22;

[0031] The loading mechanism 3 is arranged between the two fixed plates 21, and comprises a connecting shaft 332, one hydraulic oil tank 331 is arranged at each end of the connecting shaft 332, the hydraulic oil tank 331 is sleeved at the two ends of the connecting shaft 332 respectively, the end of the connecting shaft 332 slides along the inner wall of the hydraulic oil tank 331, the connecting shaft 332 has protrusions at the two ends, the protrusions of the connecting shaft 332 abut against the inner wall of the hydraulic oil tank 331, a plurality of conduits 333 are arranged between the two hydraulic oil tanks 331, the inner cavities of the conduits 333 are communicated with the inner cavities of the two hydraulic oil tanks 331, the hydraulic oil tank 331 and the plurality of conduits 333 form a cage, the connecting shaft 332 slides in the cage, the inner cavities of the conduits 333 are filled with hydraulic oil, the hydraulic oil is not filled, under the action of inertia, the protrusion at one end of the connecting shaft 332 abuts against the inner wall of the hydraulic oil tank 331, the connecting shaft 332 moves with the hydraulic oil tank 331, meanwhile, the protrusion at the other end of the connecting shaft 332 abuts against the inner wall of the other hydraulic oil tank 331, and drives the other hydraulic oil tank 331 to move, thereby achieving the effect of traction, the hydraulic oil in the inner cavities of the two hydraulic oil tanks 331 can flow through the conduits 333, the conduits 333 can also be hard pipelines such as steel pipes, and the conduits 333 can also protect the connecting shaft 332 after forming the cage with the hydraulic oil tank 331, so as to prevent the connecting shaft 332 from being damaged due to collision during traction.

[0032] During the process of descending the slope, in order to avoid the insufficient buffering effect caused by rigid connection and prevent the connecting shaft 332 from being broken due to excessive axial stress, the end of the connecting shaft 332 close to the loader 1 slides in the inner wall of the hydraulic oil tank 331, the hydraulic oil is pressed into the inner cavity of the other hydraulic oil tank 331 through the conduit 333, so that the inner cavity is in a full state, the pressure provided by the hydraulic oil presses the other end of the connecting shaft 332 against the inner wall of the hydraulic oil tank 331, the total length of the connecting shaft 332 and the two hydraulic oil tanks 331 is reduced, and the collision risk of the loader 1 and the machine loaded by the loader 1 is avoided.

[0033] A plurality of buffer springs 34 are arranged between the two hydraulic oil tanks 331, the buffer springs 34 are arranged outside the connecting shaft 332, and the buffer springs 34 are installed on the opposite sides of the two hydraulic oil tanks 331, in order to further improve the buffering effect and disperse the axial stress of the connecting shaft 332 during the process of reducing the total length of the connecting shaft 332 and the two hydraulic oil tanks 331, the buffer springs 34 are arranged, and the springs are deformed to absorb energy and achieve buffering during the movement of the connecting shaft 332.

[0034] The loading mechanism 3 and the fixed plate 21 are provided with a direction adjusting mechanism 31, the direction adjusting mechanism 31 comprises a fork I 311, a fork II 313 and a cross shaft 312, the fork I 311 is fixedly installed on the fixed plate 21, the fork II 313 is arranged on the end face of the hydraulic oil tank 331 close to the fixed plate 21, the fork I 311 and the fork II 313 are provided with the cross shaft 312, the cross shaft 312 is provided with four symmetrical end portions, two mutually symmetrical end portions are rotatably connected to the inner side of the fork I 311, and the other two mutually symmetrical end portions are rotatably connected to the inner side of the fork II 313, after the fixed mechanism 2 and the loading mechanism 3 establish a stable connection relationship between the loader 1 and the machine to be loaded, the loader 1 drives the machine to be loaded to move, because the road of the construction site is uneven, and the traditional traction device is often rigidly connected, the different degrees of fluctuation of the two can accelerate the wear of the traction device and increase the risk of overturning, when the fluctuation degrees of the loader 1 and the machine to be loaded are different, the speed direction of the two at this time is different, and only through the rigid connection cannot be compensated in time, which can cause the wear and fracture of the traction device, the rotation between the fork I 311 and the cross shaft 312 is used to offset the speed direction difference in the vertical direction between the loader 1 and the machine to be loaded, and the rotation between the fork II 313 and the cross shaft 312 is used to offset the speed direction difference in the horizontal direction between the loader 1 and the machine to be loaded, through the adjusting effect of the direction adjusting mechanism 31, the overturning risk existing in the running process of the two is effectively reduced, and the direction adjusting mechanism 31 is simple in structure and stable and reliable.

[0035] The direction adjusting mechanism 31 and the loading mechanism 3 are provided with an auxiliary mechanism 32, the auxiliary mechanism 32 comprises an auxiliary sleeve 321, a hydraulic ring cavity 322 and a spherical part 323, the auxiliary sleeve 321 is fixedly installed on the fixed plate 21, the auxiliary sleeve 321 is sleeved outside the direction adjusting mechanism 31, one end of the auxiliary sleeve 321 away from the fixed plate 21 is provided with the hydraulic ring cavity 322, a plurality of through holes 324 are arranged on the inner side of the hydraulic ring cavity 322, the plurality of through holes 324 are distributed in a circumferential array, the through holes 324 are in communication with the inside of the hydraulic ring cavity 322, the spherical part 323 is fixedly installed on the side of the fork II 313 close to the hydraulic oil cavity, the hydraulic ring cavity 322 is sleeved outside the spherical part 323, a plurality of direction adjusting parts 325 are arranged on the outer wall of the spherical part 323 close to the hydraulic ring cavity 322, the direction adjusting parts 325 are slidably installed in the through holes 324 one by one, and the outer wall of the direction adjusting part 325 is slidably connected to the inner wall of the through hole 324;

[0036] In order to further reduce the wear and tear of the steering mechanism 31 itself, the fork II 313 moves in two dimensions of vertical and horizontal, and the auxiliary mechanism 32 limits the speed of the movement, prevents mechanical damage caused by the sudden increase of the movement amplitude, the fork II 313 moves the spherical part 323, and the change of the position of the spherical part 323 will extrude the steering part 325 in a certain direction, the steering part 325 slides in the inner wall of the through hole 324, the hydraulic ring cavity 322 is filled with hydraulic oil, the movement of the steering part 325 to the inner cavity of the hydraulic ring cavity 322 will push the hydraulic oil to flow to the position with smaller pressure, push the steering part 325 not extruded to move to the direction of the spherical part 323, and then extrude the spherical part 323, the movement speed of the spherical part 323 is adjusted by hydraulic mode, the steering part 325 is sealed with the inner wall of the through hole 324, and the sliding connection can be realized, which is the prior art and will not be described in detail.

[0037] The dust cover 35 is arranged outside the loading mechanism 3, and the two ends of the dust cover 35 are fixed on the two auxiliary sleeves 321 respectively, the dust cover 35 is arranged on the opposite side of the two auxiliary sleeves 321, the dust cover 35 is used for protecting the loading mechanism and the buffer spring 34, and preventing the sand and gravel on the construction site from entering and affecting the mechanical operation, the dust cover 35 is made of soft deformable material and has wear-resistant characteristics, and can adapt to the change of the overall shape of the loading mechanism 3.

[0038] The working principle of the utility model is as follows: the machine to be loaded is fixed on the tail of the loading machine 1 through the fixing mechanism 2, in the process of advancing, due to the existence of ups and downs and pits in the construction site, the difference between the speed directions of the loading machine 1 and the machine to be loaded is offset through the steering mechanism 31, the overturning risk existing in the advancing process of the two is reduced, the auxiliary mechanism 32 is further used for reducing the wear and tear of the steering mechanism 31, the bearing mechanism is used for realizing the conduction of traction force under the condition of downhill, and the buffer spring 34 is used for buffering, the dust cover 35 adapts to the change of the overall shape of the loading mechanism 3, and the sand and gravel on the construction site is prevented from entering and affecting the mechanical operation.

Claims

1. A loader traction device comprising a loader (1), characterized in that The utility model provides a kind of loading mechanism, comprising fixed mechanism (2), the fixed mechanism (2) includes fixed plate (21), the fixed plate (21) is equipped with two, and loading mechanism (3) is equipped between the two fixed plate (21), and the fixed plate (21) and loading mechanism (3) constitute traction device, one side of the traction device is connected to loader (1), and the other side is connected to the towed machinery, and the loading mechanism (3) includes connecting shaft (332), the connecting shaft (332) both ends are equipped with one hydraulic oil reservoir (331), the hydraulic oil reservoir (331) is respectively sleeved in the both ends of connecting shaft (332), and the connecting shaft (332) end portion slides along the inner wall of hydraulic oil reservoir (331), and the two hydraulic oil reservoirs (331) are equipped with several conduits (333), the inner cavity of conduit (333) is communicated with the inner cavity of two hydraulic oil reservoirs (331), and the inner cavity of conduit (333) is injected with hydraulic oil in two hydraulic oil chambers.

2. A loader traction device as claimed in claim 1, characterised in that, The hydraulic oil reservoir (331) and several conduits (333) form a cage, and the connecting shaft (332) slides in the cage.

3. A loader traction device as claimed in claim 2, wherein, The loading mechanism (3) is equipped with direction adjusting mechanism (31) between fixed plate (21), the direction adjusting mechanism (31) includes fork I (311), fork II (313) and cross shaft (312), the fork I (311) is equipped on fixed plate (21), the fork II (313) is equipped on the end face of hydraulic oil reservoir (331) near fixed plate (21) side, the fork I (311) is equipped with cross shaft (312) between fork II (313), and the cross shaft (312) is equipped with four symmetrical end portions, wherein two mutually symmetrical end portions are rotatably connected to the inside of fork I (311), and the other two mutually symmetrical end portions are rotatably connected to the inside of fork II (313).

4. A loader traction device as claimed in claim 3, characterised in that, The direction adjusting mechanism (31) is equipped with auxiliary mechanism (32) between loading mechanism (3), the auxiliary mechanism (32) includes auxiliary sleeve (321), hydraulic ring cavity (322) and spherical piece (323), the auxiliary sleeve (321) is fixedly installed on fixed plate (21), the auxiliary sleeve (321) is sleeved on the outside of direction adjusting mechanism (31), the end of auxiliary sleeve (321) away from fixed plate (21) is equipped with hydraulic ring cavity (322), the inside of hydraulic ring cavity (322) is provided with a plurality of through holes (324), the plurality of through holes (324) are distributed in circumferential array, the through hole (324) is communicated with the inside of hydraulic ring cavity (322), the spherical piece (323) is fixedly installed on the side of fork II (313) near hydraulic oil cavity, the hydraulic ring cavity (322) is sleeved on the outside of spherical piece (323), the outer wall of spherical piece (323) is equipped with a plurality of direction adjusting pieces (325) near the one week of hydraulic ring cavity (322), the direction adjusting piece (325) is slidably installed in the through hole (324) one-to-one, and the outer wall of direction adjusting piece (325) is slidably connected in the inner wall of through hole (324).

5. A loader traction device as claimed in claim 4, wherein, Several buffer springs (34) are arranged between the two hydraulic oil tanks (331), the buffer springs (34) are arranged outside the connecting shaft (332), and the buffer springs (34) are arranged on the opposite sides of the two hydraulic oil tanks (331).

6. A loader traction device as claimed in claim 5, characterised in that, The dust cover (35) is arranged on the opposite sides of the two auxiliary sleeves (321).

7. A loader traction device as claimed in claim 6, characterised in that, The dust cover (35) is arranged on the opposite sides of the two auxiliary sleeves (321).

8. A loader traction device according to any one of claims 1-7, characterized in that The reinforcing beam (11) is arranged at the tail of the loader (1), the fixing plate (21) is connected to the reinforcing beam (11), a plurality of screw holes I (12) are arranged on the reinforcing beam (11), a plurality of screw holes II (22) are arranged on the fixing plate (21), the screw holes I (12) and the screw holes II (22) are in one-to-one correspondence, the screw holes I (12) and the screw holes II (22) are connected with the bolts (23), and the fixing plate (21) close to the loader (1) is fixedly connected with the reinforcing beam (11) through the bolts (23).

9. A loader traction device as claimed in claim 8, characterised in that, The connecting shaft (332) is provided with protrusions at both ends, and the protrusions of the connecting shaft (332) abut against the inner walls of the hydraulic oil tanks (331).

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