A freight car unloading roof jack and method of use

Abstract

The application discloses a freight car self-unloading top lifting device and a use method thereof, which comprises a main framework, a correction adjusting device, a side turning telescopic device, a side turning adjusting device, a vice framework and a rear turning telescopic device. The main framework is connected with a car body, and a trapezoidal locking groove is arranged on the main framework. The correction adjusting device is arranged on the main framework. The lower end of the side turning telescopic device is hinged to the correction adjusting device. The side turning adjusting device is arranged on both sides of the main framework and is arranged close to the trapezoidal locking groove. The vice framework is connected with a car body, trapezoidal locking blocks are arranged on both sides of the vice framework, and the trapezoidal locking blocks are matched with the trapezoidal locking groove. The rear turning telescopic device is arranged at one end of the main framework, and a rotating shaft cylinder is arranged at the other end of the main framework. The device has the advantages that left side turning, right side turning and rear side turning are realized, the switching of the left side turning and the right side turning is automatically realized, and the lifting height and angle error of the correction side turning telescopic device are corrected.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of mechanical manufacturing and freight carriage jacking devices, in particular to a freight carriage self-unloading jacking device and a use method thereof. BACKGROUND

[0002] At present, with the development of economy, freight transportation has entered a high-speed era. The carriage is fixed on the vehicle body, and manual unloading is time-consuming and laborious. At present, there is a separate rear tipping carriage, but only rear tipping, which is difficult to adapt to some special scenes. Some scenes require side unloading.

[0003] In the prior art, a contrast document 1 with a patent application number 202023290536.1 discloses a side jacking mechanism for freight carriage unloading, which comprises a first sliding slot opened in the middle of the front and back of the frame cross beam, a first sliding pin slidingly connected to the frame cross beam, an extension rod fixedly connected to one end of the first sliding pin inside the frame cross beam, the extension rod being sleeved in the frame cross beam, a second sliding slot opened in the middle of the front and back of the extension rod, and a second sliding pin slidingly connected to the extension rod through the second sliding slot. The side jacking mechanism for freight carriage unloading, when unloading, rotates the limiting strip and the first limiting block clockwise to make the limiting pin disengage from the limiting gap, pulls out the extension rod in the frame cross beam through the cooperation of the first sliding slot and the first sliding pin, pulls out the support rod through the cooperation of the second sliding slot and the second sliding pin, and rotates the extension rod and the support rod to a vertical angle to contact the ground. At this time, the hydraulic telescopic cylinder extends to rotate the carriage counterclockwise to the left side, thereby achieving the purpose of side jacking for convenient unloading. However, it is a single side unloading, and there is a lifting height error.

[0004] Based on the above, there are at least one of the following technical problems:

[0005] The existing freight carriage is mostly fixed on the vehicle body, or separately realized rear tipping, or separately realized side tipping, and it is difficult to realize left and right side tipping and rear tipping, and it is difficult to realize automatic switching of left and right side tipping.

[0006] The existing side tipping several lifting telescopic rods are out of sync in lifting height over time, and there is an error in lifting height. At present, it is difficult to correct the error. SUMMARY

[0007] The main purpose of the present application is to provide a freight car self-unloading jacking device and its use method, so as to solve the technical problems in the prior art that the existing freight car is mostly fixed on the car body, or is realized by single rear turning or single side turning, and it is difficult to realize left side turning, right side turning and rear turning, and it is difficult to realize automatic switching of left side turning and right side turning. With the passage of time, the lifting height of some of the existing side turning lifting telescopic rods is out of synchronization, and there is an error in the lifting height, and it is currently difficult to correct the error.

[0008] In order to achieve the above-mentioned purpose, according to one aspect of the present application, a freight car self-unloading jacking device is provided, comprising:

[0009] A main framework connected with the car body, wherein a trapezoidal locking groove is arranged on the main framework;

[0010] A correction and adjustment device arranged on the main framework;

[0011] A side turning telescopic device hingedly connected with the correction and adjustment device at the lower end;

[0012] A side turning adjustment device arranged on both sides of the main framework, wherein the side turning adjustment device is arranged close to the trapezoidal locking groove;

[0013] A sub-framework connected with the car body, wherein a trapezoidal locking block is arranged on both sides of the sub-framework, and the trapezoidal locking block is matched with the trapezoidal locking groove; and

[0014] A rear turning telescopic device arranged at one end of the main framework, and a rotating shaft cylinder arranged at the other end of the main framework.

[0015] Preferably, the main framework is used to connect the car body, support the sub-framework and realize rear turning, the correction and adjustment device is used to correct and adjust the side turning telescopic device, so as to keep the lifting height of the side turning telescopic device in synchronization, the side turning telescopic device is used to realize side turning of the car body, the side turning adjustment device is used to realize switching of left side turning and right side turning of the car body, the sub-framework is used to support the car body and drive the car body to turn, and the rear turning telescopic device is used to realize side turning and rear turning in combination with the side turning telescopic device.

[0016] Preferably, the side turning adjustment device comprises:

[0017] A first support fixed on both sides of the main framework, wherein the first support is arranged close to the corresponding trapezoidal locking groove, and an insertion shaft hole is arranged on the first support;

[0018] A first threaded rod arranged on the first support, wherein both ends of the first threaded rod are matched with the first support through rotating bearings; and

[0019] A first guide rod is arranged on the first support and is parallel to the first threaded rod.

[0020] Preferably, the side turning adjusting device further comprises:

[0021] A first adjusting block is sleeved on the first threaded rod and the first guide rod, and is threadedly connected with the first threaded rod.

[0022] A first motor is fixed on the first support and is connected with one end of the first threaded rod.

[0023] A plug shaft is connected with the first adjusting block and is matched with a plug hole arranged on the trapezoidal locking groove through the plug shaft hole.

[0024] Preferably, the correction adjusting device comprises:

[0025] A second support is fixedly connected with the lower end of the main framework.

[0026] A third support is fixedly connected with the upper end of the main framework.

[0027] A second threaded rod is arranged between the second support and the third support, and two ends of the second threaded rod are rotatably connected with the second support and the third support through rotating bearings.

[0028] A second guide rod is arranged between the second support and the third support, and is parallel to the second threaded rod.

[0029] A second adjusting block is sleeved on the second threaded rod and the second guide rod, is threadedly connected with the second threaded rod, and is provided with a hollow groove.

[0030] A third threaded rod is arranged in the hollow groove of the second adjusting block, two ends of the third threaded rod are rotatably connected with the second adjusting block through rotating bearings, and the third threaded rod is further connected with a third motor.

[0031] Preferably, the correction adjusting device further comprises:

[0032] A third guide rod is arranged in the hollow groove of the second adjusting block, and is parallel to the third threaded rod.

[0033] A second motor is connected with one end of the third threaded rod.

[0034] A third adjusting block is sleeved on the third threaded rod and the third guide rod, and the third adjusting block is connected with the third threaded rod through threaded cooperation;

[0035] A guide screw is rotatably connected with the second support through a rotating bearing at the lower end of the guide screw, the second adjusting block is sleeved on the guide screw, and the guide screw is cooperated with the second adjusting block through threads;

[0036] A first hinge lug is arranged on the second adjusting block.

[0037] Preferably, the side-turning telescopic device comprises:

[0038] A support beam is arranged on the auxiliary frame;

[0039] A second hinge lug is fixedly connected with the support beam;

[0040] A third hinge block is hingedly connected with the second hinge lug through a hinge shaft;

[0041] A side-turning telescopic rod is arranged in an inverted manner, and the bottom end of the side-turning telescopic rod is connected with the third hinge block; and

[0042] A first hinge block is connected with the head end of the side-turning telescopic rod, and the first hinge block is hingedly connected with the first hinge lug through a hinge shaft.

[0043] Preferably, the rear-turning telescopic device comprises:

[0044] A hinge body is fixedly connected with the main frame near the front end of the vehicle;

[0045] A second hinge block is hingedly connected with the hinge body through a hinge shaft;

[0046] A rear-turning telescopic rod is arranged in an inverted manner, and the bottom end of the rear-turning telescopic rod is connected with the second hinge block.

[0047] Preferably, a sensor is arranged on the upper side of the third support, and the sensor is a distance sensor.

[0048] According to another aspect of the present application, a use method of a self-unloading top lifting device of a freight vehicle is provided, comprising:

[0049] When rear unloading is needed, one end of the main frame is lifted by the rear-turning telescopic device, and the other end of the main frame is rotatably connected with the vehicle body, so that rear unloading is realized;

[0050] When left unloading is needed, the right trapezoidal locking fastener and the trapezoidal locking groove are kept locked, the locking of the left auxiliary frame is released by the side-turning adjusting device, and then the left unloading is realized by lifting through the side-turning telescopic device.

[0051] When right side unloading is required, the left side trapezoidal locking fast and trapezoidal locking slot are kept locked, the locking of the right side auxiliary frame is released through the side turning adjusting device, and then the right side unloading is achieved through the lifting of the side turning telescopic device;

[0052] When the lifting of the side turning telescopic device is out of synchronization, the height and longitudinal adjustment of the side turning telescopic device are achieved through the correction adjusting device at the lower end of the side turning telescopic device, and then the lifting height and angle of the side turning telescopic device are adjusted, so as to achieve the lifting correction and adjustment of several side turning telescopic devices.

[0053] The technical scheme of the present application has the following technical effects:

[0054] The present application has the effects of realizing left side turning, right side turning and rear side turning, automatically realizing the switching of left side turning and right side turning, and correcting the lifting height and angle error of the side turning telescopic device.

[0055] The present application sets the side turning adjusting device beside the trapezoidal locking slot, and the side turning adjusting device is arranged in a matrix on both sides of the main frame. When left side turning is required, the controller controls the first motor of the left side turning adjusting device to rotate reversely, the first motor drives the first threaded rod to rotate, the first threaded rod drives the first adjusting block to move away from the trapezoidal locking slot, the first adjusting block drives the shaft to be pulled out of the insertion hole of the trapezoidal locking slot, and then the lifting of the carriage is achieved through the side turning telescopic device. At this time, the carriage realizes left side turning unloading, and after unloading is completed, the carriage is lowered by the side turning telescopic device, and the lowering is guided and positioned by the trapezoidal locking block and the trapezoidal locking slot. After lowering, the first motor of the left side turning adjusting device is controlled by the controller to rotate synchronously to drive the shaft to be inserted into the insertion hole of the trapezoidal locking slot, and the locking is completed. When right turning is required, the right side turning adjusting device realizes the above steps, and the effects of realizing left side turning and right side turning according to the free selection and switching of the unloading side are achieved.

[0056] The present application sets the correction adjusting device at the lower end of the side turning telescopic device. The third motor drives the second threaded rod to rotate, the second threaded rod drives the second adjusting block to move up and down along the second guide rod, and then the up and down height of the side turning correction device is corrected and adjusted. The second motor drives the third threaded rod to rotate, the third threaded rod drives the third adjusting block to move longitudinally, and then the longitudinal adjustment of the side turning telescopic device is achieved. The height adjustment and longitudinal adjustment can realize the adjustment of the lifting height and angle error of the side turning telescopic device, and then ensure the consistency of the lifting height of the carriage by several side turning telescopic devices. The effects of avoiding the out-of-synchronization of the lifting height and angle of the carriage due to factors such as oil leakage, wear and tear, and installation error caused by long-term use of the side turning lifting device are achieved. The fine adjustment of the longitudinal and height of the correction adjusting device can ensure the consistency of the lifting points of several carriages.

[0057] The present application realizes the rotation of the auxiliary frame relative to the main frame by controlling the extension and retraction of the side overturning telescopic device, and further realizes the side overturning of the carriage, wherein the side overturning telescopic devices are arranged in matrix on the center line of the main frame, so as to ensure the multi-point lifting of the carriage, the side overturning telescopic devices are arranged in reverse, which facilitates the cooperation with the correction adjusting device, the accurate adjustment of the correction adjusting device, and the lightweight arrangement of the correction adjusting device, and due to the reverse arrangement, the contact end of the side overturning telescopic rod with the correction adjusting device is small, so as to reduce the size of the third adjusting slider, and further reduce the size of the entire correction adjusting device. The side overturning telescopic devices are arranged centrally, which facilitates the back and forth switching of the left side overturning and the right side overturning with the side overturning adjusting device, wherein the upper and lower ends of the side overturning telescopic devices are hingedly connected in the same direction and have the same degree of freedom, so as to facilitate the left side overturning and the right side overturning, and in addition, the upper and lower ends of the side overturning telescopic rod are connected with the first hinge block and the third hinge block through a spherical structure, so as to ensure the flexibility and flexibility of the falling and lifting freedom, and avoid rigid breaking.

[0058] The present application is provided with a plurality of trapezoidal locking grooves arranged in matrix on the two sides of the main frame, wherein the trapezoidal locking grooves are arranged in trapezoidal structure, the trapezoidal locking grooves are matched with the trapezoidal locking blocks on the auxiliary frame, and the trapezoidal structure is gradually aligned with the main frame and the auxiliary frame in the process of sliding down to the bottom of the trapezoidal locking groove, so as to reduce the shaking between the main frame and the auxiliary frame, the top end of the trapezoidal locking block is inserted into the bottom end of the trapezoidal locking groove, and due to the smaller top end, the trapezoidal locking block is accurately inserted into the trapezoidal locking groove, and as the auxiliary frame falls, the top end of the trapezoidal locking block contacts the top end of the trapezoidal locking groove, so as to realize the close cooperation.

[0059] The present application is provided with a plurality of trapezoidal locking grooves arranged in matrix on the two sides of the main frame, wherein the trapezoidal locking grooves are arranged in trapezoidal structure, the trapezoidal locking grooves are matched with the trapezoidal locking blocks on the auxiliary frame, and the trapezoidal structure is gradually aligned with the main frame and the auxiliary frame in the process of sliding down to the bottom of the trapezoidal locking groove, so as to reduce the shaking between the main frame and the auxiliary frame, the top end of the trapezoidal locking block is inserted into the bottom end of the trapezoidal locking groove, and due to the smaller top end, the trapezoidal locking block is accurately inserted into the trapezoidal locking groove, and as the auxiliary frame falls, the top end of the trapezoidal locking block contacts the top end of the trapezoidal locking groove, so as to realize the close cooperation. BRIEF DESCRIPTION OF DRAWINGS

[0060] The drawings accompanying the specification of the present application form a part thereof, serve to provide further understanding of the present application, and together with the description of the present application, explain the present application. In the drawings:

[0061] Figure 1 The structure of the self-unloading cargo carriage jacking device according to the present application is shown in the schematic view;

[0062] Figure 2 shows Figure 1 a front view of the self-unloading top lifting device of the freight carriage in

[0063] Figure 3 shows Figure 1 a top view of the self-unloading top lifting device of the freight carriage in

[0064] Figure 4 shows Figure 1 a bottom view of the self-unloading top lifting device of the freight carriage in

[0065] Figure 5 shows Figure 1 a right view of the self-unloading top lifting device of the freight carriage in

[0066] Figure 6 shows Figure 1 a side view of the self-unloading top lifting device of the freight carriage in

[0067] Figure 7 shows Figure 1 a partial enlarged view of the side tilting adjusting device of the self-unloading top lifting device of the freight carriage in

[0068] Figure 8 shows Figure 1 a partial enlarged view of the correction adjusting device of the self-unloading top lifting device of the freight carriage in

[0069] Figure 9 shows Figure 1 a partial enlarged view of the rear tilting telescopic device of the self-unloading top lifting device of the freight carriage in

[0070] Figure 10 shows Figure 1 a partial enlarged view of the side tilting telescopic device of the self-unloading top lifting device of the freight carriage in

[0071] wherein the above drawings include the following reference signs:

[0072] main skeleton 1, correction adjusting device 2, side tilting telescopic device 3, side tilting adjusting device 4, trapezoidal locking groove 5, trapezoidal locking block 6, auxiliary skeleton 7, carriage 8, rear tilting telescopic device 9, first motor 10, first support 11, first threaded rod 12, first guide rod 13, first adjusting block 14, insertion shaft 15, second support 16, second adjusting block 17, second motor 18, third support 19, second guide rod 20, second threaded rod 21, third guide rod 22, first hinge lug 23, first hinge block 24, third threaded rod 25, guide screw 26, hinge body 27, second hinge block 28, rear tilting telescopic rod 29, support beam 30, second hinge lug 31, third hinge block 32, side tilting telescopic rod 33, sensor 34, third adjusting block 35, third motor 36. Embodiments

[0073] It should be noted that the embodiments and features in the embodiments of the present application can be combined with each other without conflict. The present application will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

[0074] As Figures 1 to 10 shown, the embodiment of the present application provides a self-unloading cargo compartment 8 jacking device, which comprises a main skeleton 1, the main skeleton 1 is connected with the vehicle body, the main skeleton 1 is provided with a trapezoidal locking groove 5; a correction adjusting device 2, the correction adjusting device 2 is arranged on the main skeleton 1; a side turning telescopic device 3, the lower end of the side turning telescopic device 3 is hinged with the correction adjusting device 2; a side turning adjusting device 4, the side turning adjusting device 4 is arranged on both sides of the main skeleton 1, the side turning adjusting device 4 is arranged close to the trapezoidal locking groove 5; a secondary skeleton 7, the secondary skeleton 7 is connected with the vehicle compartment 8, the secondary skeleton 7 is provided with a trapezoidal locking block 6 on both sides, the trapezoidal locking block 6 cooperates with the trapezoidal locking groove 5; and a rear turning telescopic device 9, the rear turning telescopic device 9 is arranged at one end of the main skeleton 1, the other end of the main skeleton 1 is provided with a rotating shaft cylinder.

[0075] In the embodiment, the main skeleton 1 is connected with the vehicle body, the main skeleton 1 is provided with a trapezoidal locking groove 5, the main skeleton 1 is used for connecting the vehicle body, supporting the secondary skeleton 7 and turning back, the other end of the main skeleton 1 is provided with a rotating shaft cylinder, wherein the main skeleton 1 is rotatably connected with the vehicle body through the rotating shaft cylinder close to the vehicle head end, the two sides of the main skeleton 1 are provided with a plurality of trapezoidal locking grooves 5 arranged in a matrix, wherein the trapezoidal locking groove 5 is arranged in a trapezoidal structure, the trapezoidal locking groove 5 cooperates with the trapezoidal locking block 6 on the secondary skeleton 7, the trapezoidal structure is gradually aligned with the main skeleton 1 and the secondary skeleton 7 in the process of the trapezoidal locking block 6 sliding down to the bottom of the trapezoidal locking groove 5, reducing the shaking effect between the main and secondary skeletons 7, the top end of the trapezoidal locking block 6 is inserted into the bottom end of the trapezoidal locking groove 5, since the top end is smaller than the bottom end, the trapezoidal locking block 6 is accurately inserted into the trapezoidal locking groove 5, as the secondary skeleton 7 falls, the top end of the trapezoidal locking block 6 contacts the top end of the trapezoidal locking groove 5, thereby realizing close cooperation.

[0076] In the embodiment, the correction adjusting device 2 is arranged on the main frame 1, and is used for correcting and adjusting the side turning telescopic device 3 and keeping the lifting height of the side turning telescopic device 3 synchronous. The correction adjusting device 2 comprises: a second support 16 arranged at the lower end of the correction adjusting device 2 and used for supporting the lower end of the correction adjusting device 2, the second support 16 being fixedly connected with the lower end of the main frame 1 and achieving the fixed connection with the main frame 1 through the second support 16; a third support 19 used for supporting the upper end of the correction adjusting device 2, the third support 19 being fixedly connected with the upper end of the main frame 1 and used for achieving the fixed connection with the main frame 1 in cooperation with the second support 16; and a second threaded rod 21 used for driving the second adjusting block 17 to move up and down and thus correcting the error of the side turning telescopic device 3 in the vertical direction, the second threaded rod 21 being arranged between the second support 16 and the third support 19, the two ends of the second threaded rod 21 being rotatably connected with the second support 16 and the third support 19 through rotating bearings respectively, the second threaded rod 21 being driven to rotate by the third motor 36 and thus driving the second adjusting block 17 to move up and down to correct the height error of the side turning telescopic device 3 caused by the installation or long-term use.The second guide rod 20 is arranged between the second support 16 and the third support 19 and is parallel to the second threaded rod 21, and the second guide rod 20 plays a role in guiding the second adjusting block 17; the second adjusting block 17 is used to adjust and correct the vertical direction of the side overturning telescopic device 3, and the second adjusting block 17 is sleeved on the second threaded rod 21 and the second guide rod 20 and is threadedly connected with the second threaded rod 21; the second threaded rod 21 is driven to rotate by the third motor 36, and the rotation of the second threaded rod 21 drives the second adjusting block 17 to move up and down along the second guide rod 20, thereby realizing height adjustment and adjusting the height error of the side overturning telescopic device 3, overcoming the problem that the lifting height is out of synchronization due to the height error, and the second adjusting block 17 is provided with a hollow groove for mounting and arranging the third threaded rod 25, the third adjusting block 35 and the third guide rod 22; the third threaded rod 25 is used to drive the third adjusting block 35 to move, thereby realizing longitudinal adjustment of the side overturning telescopic device 3 and overcoming the longitudinal error caused by long-term use; the third threaded rod 25 is arranged in the hollow groove of the second adjusting block 17 and is rotatably connected with the second adjusting block 17 at both ends through rotating bearings; the third threaded rod 25 is used for threadedly driving the third adjusting block 35 to move, thereby realizing fine error adjustment and correction; the third guide rod 22 is arranged in the hollow groove of the second adjusting block 17 and is parallel to the third threaded rod 25; the second motor 18 is used to drive the third threaded rod 25 to rotate and drive the second adjusting block 17 to move, and the second motor 18 is connected with one end of the third threaded rod 25; the third adjusting block 35 is used to adjust and correct the longitudinal error of the side overturning telescopic device 3, and the second adjusting block 17 is sleeved on the third threaded rod 25 and the third guide rod 22 and is threadedly connected with the third threaded rod 25; the guide screw 26 is rotatably connected with the second support 16 at the lower end through a rotating bearing, the second adjusting block 17 is sleeved on the guide screw 26, the guide screw 26 is threadedly connected with the second adjusting block 17, and the guide screw 26 plays a role in supporting and guiding the second adjusting block 17, wherein the threads of the guide screw 26 are consistent with the thread pitch of the second threaded rod 21, thereby ensuring that the second adjusting block 17 moves up and down horizontally; and the first hinge lug 23 is used to rotatably connect the side overturning telescopic device 3 and is arranged on the second adjusting block 17.

[0077] Specifically, by arranging the correction adjusting device 2 at the lower end of the side-tilting telescopic device 3, the second threaded rod 21 is driven to rotate by the third motor 36, the second adjusting block 17 is driven to move up and down along the second guide rod 20, thereby realizing the correction and adjustment of the height of the side-tilting correction device, the third threaded rod 25 is driven to rotate by the second motor 18, the third adjusting block 35 is driven to move longitudinally by the third threaded rod 25, thereby realizing the longitudinal adjustment of the side-tilting telescopic device 3, the height adjustment and the longitudinal adjustment can realize the adjustment of the lifting height and the inclination error of the side-tilting telescopic device 3, thereby ensuring the consistency of the lifting height of the carriages 8 by the side-tilting telescopic devices 3, avoiding the out-of-sync of the lifting height and the lifting angle of the carriages 8 due to oil leakage, wear, installation error and other factors caused by long-term use of the side-tilting lifting device, and the fine adjustment of the longitudinal and height by the correction adjusting device 2 can ensure the consistency of the lifting points of the carriages 8.

[0078] In the embodiment, the lower end of the side-tilting telescopic device 3 is hinged to the correction adjusting device 2, the side-tilting telescopic device 3 is used to realize the side-tilting of the carriage 8, and the side-tilting telescopic device 3 comprises a support beam 30 for supporting a side-tilting telescopic rod 33 of the side-tilting telescopic device 3, the support beam 30 being arranged on the auxiliary frame 7; a second hinge lug 31 for hinging the support beam 30 and the oil cylinder, facilitating the adaptability of the lifting angle, the second hinge lug 31 being fixedly connected with the support beam 30; a third hinge block 32 for cooperating with the second hinge lug 31, the third hinge block 32 being hinged to the second hinge lug 31 through a hinge shaft, realizing the rotary connection; the side-tilting telescopic rod 33 is used to realize the side-tilting lifting of the carriage 8, and the side-tilting telescopic rod 33 can adopt telescopic devices such as an oil cylinder, a hydraulic rod device and an electric telescopic rod device, the side-tilting telescopic rod 33 is arranged upside down, which facilitates the cooperation with the correction adjusting device 2, the precise adjustment of the correction adjusting device 2, and the lightweight arrangement of the correction adjusting device 2, due to the upside-down arrangement, the contact end of the side-tilting telescopic rod 33 with the correction adjusting device 2 is smaller, the size of the third adjusting block can be reduced, thereby reducing the size of the entire correction adjusting device 2, and the bottom end of the side-tilting telescopic rod 33 is connected with the third hinge block 32; the first hinge block 24 is used to realize the hinge with the correction adjusting device 2, the first hinge block 24 is connected with the head end of the side-tilting telescopic rod 33, and the first hinge block 24 is hinged to the first hinge lug 23 through a hinge shaft.

[0079] Specifically, by setting the side-tilting telescopic device 3 and inverting the side-tilting telescopic device 3, the bottom end of the side-tilting telescopic device 3 is hinged to the auxiliary frame 7, and the head end of the side-tilting telescopic device 3 is hinged to the correction and adjustment device 2. By controlling the extension and retraction of the side-tilting telescopic device 3, the auxiliary frame 7 is driven to rotate relative to the main frame 1, thereby realizing the side-tilting of the carriage 8. The side-tilting telescopic device 3 includes several devices arranged in a matrix on the centerline of the main frame 1, ensuring that the carriage 8 is lifted at multiple points. The inverted arrangement of the side-tilting telescopic device 3 facilitates cooperation with the correction and adjustment device 2, precise adjustment of the correction and adjustment device 2, and lightweight design of the correction and adjustment device 2. Due to the inverted arrangement, the contact end of the side-tilting telescopic rod 33 with the correction and adjustment device 2 is smaller, which can reduce the size of the third adjustment block and the overall size of the correction and adjustment device 2. The side-tilting telescopic device 3 is centrally arranged, facilitating the switching between left and right side-tilting with the side-tilting adjustment device 4. The upper and lower ends of the side-tilting telescopic device 3 are hinged in the same direction with the same degree of freedom, facilitating left and right side-tilting. In addition, the upper and lower ends of the side-tilting telescopic rod 33 are connected to the first hinge block 24 and the third hinge block 32 through a ball structure, ensuring that the falling and lifting degrees of freedom are more flexible and flexible, avoiding rigid breaking.

[0080] In this embodiment, the side-tilting adjustment device 4 is arranged on both sides of the main frame 1, and the side-tilting adjustment device 4 is arranged close to the trapezoidal locking slot 5. The side-tilting adjustment device 4 is used to realize the conversion between left side-tilting and right side-tilting of the carriage 8. The side-tilting adjustment device 4 includes a first support 11 for supporting and fixing. The first support 11 is fixed on both sides of the main frame 1 and arranged close to the corresponding trapezoidal locking slot 5. The first support 11 is provided with an insertion shaft 15 hole for guiding the insertion of the insertion shaft 15. A first threaded rod 12 is used to drive the first adjustment block 14 to move. The first threaded rod 12 is arranged on the first support 11 and connected to the first support 11 through rotating bearings at both ends for rotation. A first guide rod 13 is used to guide the first adjustment block 14. The first guide rod 13 is arranged on the first support 11 and parallel to the first threaded rod 12. The first adjustment block 14 is used to drive the insertion shaft 15 to move, thereby realizing the insertion or extraction of the insertion shaft 15 into the insertion hole of the trapezoidal locking slot 5, and automatically switching between left side-tilting and right side-tilting. The first adjustment block 14 is sleeved on the first threaded rod 12 and the first guide rod 13, and the first adjustment block 14 is threadedly connected to the first threaded rod 12. A first motor 10 is used to drive the first threaded rod 12 to rotate. The first motor 10 is fixed on the first support 11 and connected to one end of the first threaded rod 12. The insertion shaft 15 is connected to the first adjustment block 14 and passes through the insertion shaft 15 hole to cooperate with the insertion hole arranged on the trapezoidal locking slot 5.

[0081] Specifically, by setting the side turning adjusting device 4 beside the trapezoidal locking groove 5, the side turning adjusting device 4 is arranged in a matrix on both sides of the main framework 1. When left side turning is needed, the controller controls the first motor 10 of the left side turning adjusting device 4 to reverse rotation, which drives the first threaded rod 12 to rotate, and the first threaded rod 12 drives the first adjusting block 14 to move away from the trapezoidal locking groove 5. The first adjusting block 14 drives the insertion shaft 15 to be synchronously pulled out of the insertion hole of the trapezoidal locking groove 5, and then the side turning telescopic device 3 is used to realize the lifting of the carriage 8. At this time, the carriage 8 realizes left side turning unloading, and after unloading is completed, the carriage 8 is lowered by the side turning telescopic device 3, and the trapezoidal locking block 6 and the trapezoidal locking groove 5 are used for guiding and positioning the lowering. After lowering, the first motor 10 of the left side turning adjusting device 4 is controlled by the controller to realize synchronous forward rotation, which drives the insertion shaft 15 to be inserted into the insertion hole of the trapezoidal locking groove 5, and the locking is completed. When right turning is needed, the right side turning adjusting device 4 realizes the above steps, and has the effect of freely selecting and switching according to the unloading side during left side turning and right side turning.

[0082] In the embodiment, the auxiliary framework 7 is connected with the carriage 8, trapezoidal locking blocks 6 are arranged on both sides of the auxiliary framework 7, the trapezoidal locking blocks 6 are matched with the trapezoidal locking grooves 5, and the auxiliary framework 7 is used for supporting the carriage 8 and driving the carriage 8 to turn. Specifically, the trapezoidal locking grooves 5 are matched with the trapezoidal locking blocks 6 on the auxiliary framework 7. During the process that the trapezoidal locking blocks 6 slide down to the bottom of the trapezoidal locking grooves 5, the trapezoidal structure gradually aligns the main framework 1 and the auxiliary framework 7 in the middle, which has the effect of reducing the shaking between the main framework 1 and the auxiliary framework 7. First, the top end of the trapezoidal locking block 6 is inserted into the bottom end of the trapezoidal locking groove 5. Since the top end is smaller than the bottom end, the trapezoidal locking block 6 can be accurately inserted into the trapezoidal locking groove 5. As the auxiliary framework 7 falls, the top end of the trapezoidal locking block 6 contacts the top end of the trapezoidal locking groove 5, which has the effect of realizing close cooperation.

[0083] In the embodiment, the rear turning telescopic device 9 is arranged at one end of the main framework 1, a rotating shaft cylinder is arranged at the other end of the main framework 1, and the rear turning telescopic device 9 is used for cooperating with the side turning telescopic device 3 to realize side turning and rear turning. The rear turning telescopic device 9 comprises: a hinged body 27 connected with a rear turning telescopic rod 29, the hinged body 27 is fixedly connected with the main framework 1 near the front end of the vehicle; a second hinged block 28 is connected with the rear turning telescopic rod 29, the second hinged block 28 is hinged with the hinged body 27; and the rear turning telescopic rod 29 is used for realizing rear turning of the carriage 8. The rear turning telescopic rod 29 is arranged in an inverted manner, which reduces the on-site modification range of the vehicle body during installation. The bottom end of the rear turning telescopic rod 29 is connected with the second hinged block 28.

[0084] Specifically, while the side-tilting telescopic device 3 and the side-tilting adjustment device 4 are set to enable the selection and switching of left and right side-tilting, the rear side-tilting function is also available. The rear side-tilting telescopic device 3 is set on the main frame 1 and the vehicle body. The rear side-tilting telescopic device 9 lifts the main frame 1 to achieve the rear-tilting of the carriage 8 without affecting the side-tilting structure of the sub-frame 7. It has the effect of having the functions of left side-tilting, right side-tilting and rear side-tilting.

[0085] In this embodiment, a sensor 34 is provided on the upper side of the third bracket 19. The sensor 34 is a distance sensor 34, which is used to detect the falling state of the carriage 8. The sensor 34 is connected to the controller, which is a PLC controller. When the distance sensor 34 detects that the carriage 8 has not fallen into place, the controller can also control the rollover correction device to correct and adjust it together, so as to ensure the good falling state after the lifting height and lifting angle are corrected.

[0086] Another embodiment of the present invention provides a method for using a self-unloading lifting device for a freight car body 8, comprising:

[0087] When rear unloading is required, one end of the main frame 1 is lifted by the rear tipping telescopic device 9, and the other end of the main frame 1 is hinged to the vehicle body to achieve rear tipping unloading.

[0088] When unloading is required on the left side, keep the right trapezoidal locking block and trapezoidal locking groove 5 locked, release the lock on the left sub-frame 7 through the side tilting adjustment device 4, and then lift the left side to unload the goods through the side tilting telescopic device 3.

[0089] When unloading is required on the right side, keep the left trapezoidal locking block and trapezoidal locking slot 5 locked, release the lock on the right sub-frame 7 through the side tilting adjustment device 4, and then lift the right side to unload the goods through the side tilting telescopic device 3.

[0090] When the side-tilting telescopic device 3 experiences asynchronous lifting, the height and longitudinal adjustment are made by the correction and adjustment device 2 at the lower end of the side-tilting telescopic device 3, thereby adjusting the lifting height and lifting angle of the side-tilting telescopic device 3 and realizing the lifting correction and adjustment of several side-tilting telescopic devices 3.

[0091] Specifically,

[0092] By setting the side turning adjusting device 4 beside the trapezoidal locking groove 5, the side turning adjusting device 4 is arranged in matrix on both sides of the main frame 1, when left side turning is needed, the controller controls the first motor 10 of the left side turning adjusting device 4 to reverse rotation, the first motor 10 drives the first threaded rod 12 to rotate, the first threaded rod 12 drives the first adjusting block 14 to move away from the trapezoidal locking groove 5, the first adjusting block 14 drives the inserting shaft 15 to be synchronously pulled out of the insertion hole of the trapezoidal locking groove 5, then the side turning telescopic device 3 is matched to realize the lifting of the carriage 8, at this time the carriage 8 realizes left side turning unloading, after unloading is completed, the carriage 8 is lowered by the side turning telescopic device 3, the trapezoidal locking block 6 and the trapezoidal locking groove 5 guide and position the lowering, after the lowering, the first motor 10 of the left side turning adjusting device 4 is controlled by the controller to realize synchronous forward rotation, the inserting shaft 15 is inserted into the insertion hole of the trapezoidal locking groove 5, and the locking is completed; when right turning is needed, the right side turning adjusting device 4 realizes the above steps.

[0093] By setting the side turning telescopic device 3 and inverting the side turning telescopic device 3, the bottom end of the side turning telescopic device 3 is hinged to the auxiliary frame 7, and the head end of the side turning telescopic device 3 is hinged to the correction adjusting device, the extension and contraction of the side turning telescopic device 3 is controlled to drive the auxiliary frame 7 to rotate relative to the main frame 1, and then the side turning of the carriage 8 is realized, wherein the side turning telescopic device 3 includes a plurality of devices and is arranged in matrix on the center line of the main frame 1, so as to ensure that the carriage 8 is lifted at multiple points, and the side turning telescopic device 3 is inverted.

[0094] While the side turning telescopic device 3 and the side turning adjusting device 4 are arranged to realize left side turning and right side turning selection and switching, rear side turning is also realized, the rear side turning telescopic device 3 is arranged on the main frame 1 and the vehicle body, and the main frame 1 is lifted by the rear turning telescopic device 9 to realize the rear turning of the carriage 8.

[0095] By arranging the correction adjusting device 2 at the lower end of the side turning telescopic device 3, the second threaded rod 21 is driven by the third motor 36 to rotate, the second threaded rod 21 drives the second adjusting block 17 to move up and down along the second guide rod 20, and then the correction and adjustment of the up and down height of the side turning correction device are realized, the third threaded rod 25 is driven by the second motor 18 to rotate, the third adjusting block 35 is driven by the third threaded rod 25 to move longitudinally, and then the longitudinal adjustment of the side turning telescopic device 3 is realized, the height adjustment and the longitudinal adjustment can realize the adjustment of the lifting height and the inclination error of the side turning telescopic device 3, and then the consistency of the lifting height of the carriage 8 by the plurality of side turning telescopic devices 3 is ensured, the function of avoiding the different lifting height and lifting angle of the carriage 8 due to oil leakage, wear, installation error and other factors caused by long-term use of the side turning lifting device is realized, the fine adjustment of the longitudinal and height by the correction adjusting device 2 can ensure the consistency of the lifting point of the carriage 8.

[0096] As can be seen from the above description, the embodiments of the present invention achieve the following technical effects:

[0097] This invention utilizes a side-tilting adjustment device 4 positioned next to the trapezoidal locking groove 5. The side-tilting adjustment devices 4 are arranged in a matrix on both sides of the main frame 1. When a leftward tilt is required, the controller controls the first motor 10 of the left-side tilting adjustment device 4 to rotate in the opposite direction. The first motor 10 drives the first threaded rod 12 to rotate, which in turn moves the first adjusting block 14 away from the trapezoidal locking groove 5. The first adjusting block 14 then drives the insertion shaft 15 to be simultaneously pulled out of the insertion hole in the trapezoidal locking groove 5. This is then achieved in conjunction with the side-tilting telescopic device 3. Lifting the carriage 8 allows it to tilt to the left for unloading. After unloading, the tilting telescopic device 3 drives the carriage 8 back down. It is guided and positioned by the trapezoidal locking block 6 and the trapezoidal locking groove 5. After falling down, the controller controls the first motor 10 of the left tilting adjustment device 4 to rotate synchronously, thereby driving the insertion shaft 15 to be inserted into the insertion hole of the trapezoidal locking groove 5 to complete the locking. When it is necessary to tilt to the right, the right tilting adjustment device 4 performs the above steps, thus achieving the effect of freely selecting and switching between left tilting and side tilting depending on the unloading side.

[0098] This invention corrects and adjusts the height of the tilting device by placing the correction and adjustment device 2 at the lower end of the tilting telescopic device 3. The third motor 36 drives the second threaded rod 21 to rotate, and the second threaded rod 21 drives the second adjusting block 17 to move up and down along the second guide rod 20. The second motor 18 drives the third threaded rod 25 to rotate, and the third threaded rod 25 drives the third adjusting block 35 to move longitudinally. The third threaded rod 25 drives the third adjusting block 35 to move longitudinally, thereby achieving longitudinal adjustment of the tilting telescopic device 3. Through height adjustment and longitudinal adjustment, the lifting height and tilt angle error of the tilting telescopic device 3 can be adjusted, thereby ensuring the consistency of the lifting height of the carriage 8 of several tilting telescopic devices 3. This invention avoids the asynchronous lifting height and lifting angle of the carriage 8 due to factors such as oil leakage, wear, and installation errors caused by long-term use of the tilting lifting device. The fine adjustment of longitudinal and height by the correction and adjustment device 2 can ensure the consistency of the lifting of several carriage 8 lifting points.

[0099] The application sets the side overturning telescopic device 3 and inverts the setting of the side overturning telescopic device 3, the bottom end of the side overturning telescopic device 3 is hinged with the auxiliary frame 7, the head end of the side overturning telescopic device 3 is hinged with the correction and adjustment device 2, the rotation of the auxiliary frame 7 relative to the main frame 1 is realized by controlling the telescoping of the side overturning telescopic device 3, and then the side overturning of the carriage 8 is realized, wherein the side overturning telescopic device 3 comprises several and is arranged in a matrix on the center line of the main frame 1, so as to ensure the multi-point lifting of the carriage 8, the inverted setting of the side overturning telescopic device 3 facilitates the cooperation with the correction and adjustment device 2, the accurate adjustment of the correction and adjustment device 2, and the lightweight setting of the correction and adjustment device 2, due to the inverted setting, the contact end of the side overturning telescopic rod 33 with the correction and adjustment device 2 is small, the size of the third adjusting sliding block can be reduced, and then the size of the entire correction and adjustment device 2 is reduced. The side overturning telescopic device 3 is centrally arranged, which facilitates the back and forth switching of left side overturning and right side overturning with the side overturning adjusting device 4, wherein the upper and lower ends of the side overturning telescopic device 3 are hinged in the same direction and have the same degree of freedom, which facilitates the left side overturning and the right side overturning, and in addition, the upper and lower ends of the side overturning telescopic rod 33 are connected with the first hinge block 24 and the third hinge block 32 through a spherical structure, so as to ensure that the falling and lifting degrees of freedom are more flexible and flexible, and rigid breaking is avoided.

[0100] The main frame 1 of the application is provided with a plurality of matrix arranged trapezoidal locking grooves 5 on both sides, wherein the trapezoidal locking grooves 5 are arranged in a trapezoidal structure, the trapezoidal locking grooves 5 are matched with the trapezoidal locking blocks 6 on the auxiliary frame 7, and the trapezoidal structure is gradually aligned with the main frame 1 and the auxiliary frame 7 in the process of the trapezoidal locking blocks 6 sliding down to the bottom of the trapezoidal locking grooves 5, which has the effect of reducing the shaking between the main frame and the auxiliary frame 7, the top end of the trapezoidal locking block 6 is inserted into the bottom end of the trapezoidal locking groove 5, and since the top end is smaller than the bottom end, it has the effect of facilitating the accurate insertion of the trapezoidal locking block 6 into the trapezoidal locking groove 5, and as the auxiliary frame 7 falls, the top end of the trapezoidal locking block 6 contacts the top end of the trapezoidal locking groove 5, which has the effect of realizing close cooperation.

[0101] The above only describes the preferred embodiments of the application and is not used to limit the application. For those skilled in the art, the application can have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the application shall be included in the protection scope of the application.

Claims

1. A self-unloading cargo lifting device for freight cars, characterized in that, include: The main frame is connected to the vehicle body and has a trapezoidal locking groove. A correction and adjustment device is mounted on the main frame; A side-tilting telescopic device, the lower end of which is hinged to a correction and adjustment device; A rollover adjustment device is provided on both sides of the main frame and is located near the trapezoidal locking groove. A subframe, connected to the carriage, has trapezoidal locking blocks on both sides, which engage with trapezoidal locking grooves; and A rear-tilting telescopic device is provided at one end of the main frame, and a rotating cylinder is provided at the other end of the main frame; The main frame is used to connect the vehicle body, support the sub-frame and the rear tilting mechanism. The correction and adjustment device is used to correct and adjust the side tilting telescopic device to keep the lifting height of the side tilting telescopic device synchronized. The side tilting telescopic device is used to achieve the side tilting of the carriage. The side tilting adjustment device is used to achieve the conversion between the left and right side tilting of the carriage. The sub-frame is used to support the carriage and drive the carriage to tilt. The rear tilting telescopic device is used to cooperate with the side tilting telescopic device to achieve both side tilting and rear tilting. The correction and adjustment device includes: The second bracket is fixedly connected to the lower end of the main frame. The third support is fixedly connected to the upper end of the main frame; The second threaded rod is disposed between the second bracket and the third bracket, and its two ends are rotatably connected to the second bracket and the third bracket respectively through rotating bearings. The second guide rod is disposed between the second bracket and the third bracket, and is parallel to the second threaded rod. A second adjusting block is sleeved on a second threaded rod and a second guide rod, the second adjusting block and the second threaded rod being threaded together, and the second adjusting block having a slot; and The third threaded rod is disposed in the empty slot of the second adjusting block. The two ends of the third threaded rod are rotatably connected to the second adjusting block through rotating bearings. The third threaded rod is also connected to the third motor. The correction and adjustment device further includes: The third guide rod is disposed in the slot of the second adjusting block and is arranged parallel to the third threaded rod. The second motor is connected to one end of the third threaded rod; The third adjusting block is fitted onto the third threaded rod and the third guide rod, and the third adjusting block is connected to the third threaded rod by a threaded engagement. A guide screw, the lower end of which is rotatably connected to a second bracket via a rotary bearing; a second adjusting block is sleeved on the guide screw; the guide screw and the second adjusting block are threaded together. The first hinge is disposed on the second adjusting block.

2. The freight car body self-unloading lifting device as described in claim 1, characterized in that, The rollover adjustment device includes: The first bracket is fixed on both sides of the main frame. The first bracket is positioned close to the corresponding trapezoidal locking groove and has a shaft insertion hole. A first threaded rod, the first threaded rod being mounted on a first bracket, the two ends of the first threaded rod cooperating with the first bracket via rotary bearings; and The first guide rod is mounted on the first bracket and is arranged parallel to the first threaded rod.

3. The freight car body self-unloading lifting device as described in claim 2, characterized in that, The rollover adjustment device also includes: A first adjusting block is sleeved on a first threaded rod and a first guide rod, and the first adjusting block and the first threaded rod are threaded together. A first motor, the first motor being fixed on a first bracket, and the first motor being connected to one end of a first threaded rod; and The insert shaft is connected to the first adjusting block, and the insert shaft passes through the insert shaft hole and engages with the insertion hole provided on the trapezoidal locking groove.

4. The freight car body self-unloading lifting device as described in claim 1, characterized in that, The side-tilting telescopic device includes: A support beam is mounted on the sub-frame. The second hinge lug is fixedly connected to the support beam. The third hinge block is hinged to the second hinge lug via a hinge shaft; A tilting telescopic rod, wherein the tilting telescopic rod is inverted and its bottom end is connected to a third hinge block; and The first hinge block is connected to the head end of the side-tilting telescopic rod, and the first hinge block is hinged to the first hinge lug via a hinge shaft.

5. The freight car body self-unloading lifting device as described in claim 1, characterized in that, The rear-tilting telescopic device includes: The hinge body is fixedly connected to the main frame near the front of the vehicle. The second hinge block is hinged to the hinge body via a hinge axis; A rear-tilting telescopic rod is provided inverted, and its bottom end is connected to a second hinge block.

6. The freight car body self-unloading lifting device as described in claim 1, characterized in that, A sensor is provided on the upper side of the third bracket, and the sensor is a distance sensor.

7. A method of using a freight car body self-unloading lifting device, based on the method of using the freight car body self-unloading lifting device according to any one of claims 1-6, characterized in that, include: When rear unloading is required, one end of the main frame is lifted by the rear tipping telescopic device, and the other end of the main frame is hinged to the vehicle body to achieve rear tipping unloading. When unloading is required on the left side, keep the trapezoidal locking block and trapezoidal locking groove locked on the right side, release the lock on the left sub-frame through the side tilting adjustment device, and then lift the load through the side tilting telescopic device to achieve unloading on the left side. When unloading is required on the right side, keep the trapezoidal locking block and trapezoidal locking groove locked on the left side, release the lock on the right sub-frame through the side tilting adjustment device, and then lift the right side through the side tilting telescopic device to achieve unloading. When the side-tipping telescopic devices are not lifting synchronously, the height and longitudinal adjustment are made by the correction and adjustment device at the lower end of the side-tipping telescopic devices, thereby adjusting the lifting height and lifting angle of the side-tipping telescopic devices and realizing the lifting correction and adjustment of several side-tipping telescopic devices.

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