Universal type boxcar lifting device

Abstract

The utility model discloses a universal type boxcar lifting device which comprises angle steel plates symmetrically arranged on the sides of an axle, jacking components are symmetrically arranged at the tops of the angle steel plates, a movable boxcar cover is arranged at the tops of the jacking components, each jacking component comprises a protective cover, and first bearing seats are symmetrically arranged at the top and the bottom of the inner side of each protective cover. A fixed carriage is arranged on the outer side of the bottom of the protective cover, a lead screw is arranged on the opposite side of the first bearing seat, the lead screw is sleeved with an internal thread ring block, the internal thread ring block is fixedly connected to the inner side of the movable carriage cover, and a driving component is arranged on the top of the angle steel plate. The driving component drives the lead screw in the jacking component to rotate, so that the internal thread ring block arranged on the outer side of the lead screw in a sleeving mode drives the movable compartment cover to move and rise and fall in the vertical direction at the top of the fixed compartment, the height of the compartment of the truck is reduced, and therefore the capacity of the truck for passing through low bridges and tunnels is improved conveniently; and the truck carriage is prevented from passing due to road height limitation.

Description

Technical Field

[0001] The utility model relates to the field of truck compartment equipment, in particular to a universal truck compartment lifting and lowering device. Background Art

[0002] A universal truck compartment is a type of truck compartment that can adapt to a variety of cargo loading needs. A van truck is a common type of compartment. When dealing with trucks passing through low bridges and tunnels, the infrastructure in these areas has restrictions on vehicle height. The top of the existing van compartment is generally fixed and its height cannot be lowered for adjustment, resulting in the truck compartment being unable to pass through low bridges and tunnels that are lower than its height, thereby affecting the driving and transportation of the truck. In order to solve the problem of truck compartment height adjustment, a new type of universal truck compartment lifting and lowering device is needed. Utility Model Content

[0003] The purpose of the utility model is to provide a universal truck compartment lifting and lowering device to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a universal truck compartment lifting and lowering device, comprising an angle steel plate symmetrically arranged on the side of the axle, a lifting component symmetrically arranged on the top of the angle steel plate, a movable compartment cover arranged on the top of the lifting component, the lifting component comprising a protective cover, a first bearing seat symmetrically arranged on the inner top and bottom of the protective cover, a fixed compartment arranged on the outer side of the bottom of the protective cover, a screw rod arranged on the opposite side of the first bearing seat, an internal threaded ring block sleeved on the outer side of the screw rod, the internal threaded ring block fixedly connected to the inner side of the movable compartment cover, and a driving component for driving the screw rod to rotate arranged on the top of the angle steel plate.

[0005] Preferably, the driving component includes an electric motor arranged on the top of the angle steel plate, a worm is fixedly connected to the output end of the motor, a worm wheel is meshed at the bottom of the worm, a rotating rod is inserted through the middle of the worm wheel, a transverse gear is fixedly connected to the end of the rotating rod, a longitudinal gear is meshed on the side of the transverse gear, and the longitudinal gear is arranged at the bottom of the screw rod.

[0006] Preferably, a second bearing seat for supporting the rotating rod is symmetrically arranged on the top of the angle steel plate.

[0007] Preferably, a closing cover is provided at the meshing point between the worm wheel and the worm.

[0008] Preferably, the bottom end of the screw rod is inserted and connected to the bottom of the fixed carriage.

[0009] Preferably, a limiting groove is provided on the outer side of the top of the fixed compartment, and a positioning strip is fixedly connected to the side of the movable compartment cover and located in the inner cavity of the limiting groove.

[0010] Technical effects and advantages of the utility model:

[0011] The utility model has angle steel plates symmetrically arranged on the sides of the vehicle bridge, and a lifting component and a driving component for lifting the movable compartment cover are arranged on the top of the angle steel plates. The driving component drives the screw rod in the lifting component to rotate, so that the internal threaded ring block sleeved on the outer side of the screw rod drives the movable compartment cover to move in the vertical direction on the top of the fixed compartment to rise and fall, thereby lowering the height of the truck compartment, thereby facilitating the improvement of the truck's ability to pass through low bridges and tunnels, and avoiding the truck compartment being unable to pass due to road height restrictions. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a side view of the utility model as a whole.

[0013] Figure 2 It is a cross-sectional view of the utility model as a whole.

[0014] Figure 3 It is a front view of the fixed compartment and the movable compartment cover of the utility model.

[0015] Figure 4 It is a cross-sectional view of the sealing cover of the utility model.

[0016] In the figure: 1, angle steel plate; 2, fixed carriage; 201, limit groove; 3, movable carriage cover; 301, positioning strip; 4, motor; 401, closing cover; 402, worm gear; 403, worm; 5, rotating rod; 501, transverse gear; 6, second bearing seat; 7, screw rod; 701, longitudinal gear; 8, first bearing seat; 9, internal thread ring block; 10, protective cover. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] The utility model provides Figure 1-4 A universal truck compartment lifting and lowering device shown includes an angle steel plate 1 symmetrically arranged on the side of the vehicle bridge, and a lifting member is symmetrically arranged on the top of the angle steel plate 1, and the lifting member includes a protective cover 10;

[0019] It should be noted that a fixed compartment 2 is provided on the outer side of the bottom of the protective cover 10, which is welded and fixed to the inner wall of the fixed compartment 2, the angle steel plate 1 is welded and fixed to the side of the axle, a movable compartment cover 3 is provided on the top of the jacking member, a limiting groove 201 is provided on the outer side of the top of the fixed compartment 2, a positioning strip 301 is fixedly connected to the side of the movable compartment cover 3 and located in the inner cavity of the limiting groove 201, the positioning strip 301 is welded and fixed to the movable compartment cover 3, and the positioning strip 301 is in the limiting groove 201 to prevent the movable compartment cover 3 from being separated from the top of the fixed compartment 2, and closed doors can be installed on both sides of the front of the fixed compartment 2, and the closed doors are not connected and fixed to the movable compartment cover 3;

[0020] Specifically, the first bearing seat 8 is symmetrically arranged at the top and bottom of the inner side of the protective cover 10, and the opposite side of the first bearing seat 8 is provided with a screw rod 7, and the outer side of the screw rod 7 is sleeved with an internal thread ring block 9, and the internal thread ring block 9 is fixedly connected to the inner side of the movable compartment cover 3;

[0021] It should be noted that the first bearing seat 8 and the protective cover 10 are fixed by welding, the bottom end of the screw rod 7 is inserted and connected to the bottom of the fixed carriage 2, and a cylindrical hole for the screw rod 7 to be inserted is opened at the bottom of the fixed carriage 2. The screw rod 7 has no contact with the inner wall of the cylindrical hole, and the outer side of the internal threaded ring block 9 is welded and fixed to the inner wall of the movable carriage cover 3. The rotating screw rod 7 can drive the threaded internal threaded ring block 9 to move in the vertical direction, thereby driving the movable carriage cover 3 to rise and fall. The protective cover 10 is used to prevent the screw rod 7 from leaking out of the carriage and affecting the loading of goods. The overall height of the carriage cannot rise above the standard height of the carriage.

[0022] A driving member for driving the screw rod 7 to rotate is provided at the top of the angle steel plate 1;

[0023] Specifically, the driving component includes a motor 4 arranged on the top of the angle steel plate 1, a worm 403 is fixedly connected to the output end of the motor 4, a worm wheel 402 is meshed at the bottom of the worm 403, a rotating rod 5 is inserted and connected to the middle of the worm wheel 402, a transverse gear 501 is fixedly connected to the end of the rotating rod 5, a longitudinal gear 701 is meshed at the side of the transverse gear 501, and the longitudinal gear 701 is arranged at the bottom of the screw rod 7;

[0024] It should be noted that the motor 4 and the angle steel plate 1 are fixed by bolts, the motor 4 and the worm 403 are fixed by welding, the rotating rod 5 and the worm wheel 402 are welded and fixed at the insertion point, the top of the angle steel plate 1 is symmetrically provided with a second bearing seat 6 for supporting the rotating rod 5, the connection between the worm 403 and the worm wheel 402 is provided with a thread, and the remaining parts are smooth curved surfaces. The rotating motor 4 drives the rotating rod 5 to rotate, and the rotating rotating rod 5 drives the transverse gear 501 welded at the end to rotate, and the transverse gear 501 is engaged with the longitudinal gear 701 welded at the bottom of the screw rod 7 to drive the screw rod 7 to rotate. The thread directions of the screw rods 7 on both sides of the axle are opposite, which is convenient for the screw rod 7 to lift the movable compartment cover 3, so as to realize the simultaneous lifting of the movable compartment cover 3. The parameter models of the two motors 4 are completely consistent, and the same controller and control algorithm can be used to achieve speed synchronization to avoid skewing during the lifting of the movable compartment cover 3.

[0025] A sealing cover 401 is provided at the meshing point between the worm wheel 402 and the worm 403;

[0026] It should be noted that the bottom of the closed cover 401 is welded and fixed to the top of the angle steel plate 1, and cylindrical holes for the rotation rod 5 to be inserted are provided on both sides of the closed cover 401, and a cylindrical groove for the worm 403 to be inserted is provided on the inner wall of the closed cover 401, so as to limit the rotating worm 403;

[0027] During actual use, the motor 4 drives the worm 403 to rotate, which in turn drives the worm wheel 402 to rotate. The rotating worm wheel 402 drives the rotating rod 5 to rotate. The rotating rod 5 drives the screw rod 7 to rotate through the engagement of the transverse gear 501 with the longitudinal gear 701, so that the internal threaded ring block 9 threadedly sleeved on the outside of the screw rod 7 drives the movable compartment cover 3 to move and lift in the vertical direction on the top of the fixed compartment 2, thereby lowering the height of the truck compartment, thereby facilitating the improvement of the truck's ability to pass through low bridges and tunnels, and avoiding the truck compartment from being unable to pass due to road height restrictions.

[0028] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A universal truck compartment lifting and lowering device, comprising angle steel plates (1) symmetrically arranged on the sides of a vehicle axle, characterized in that: A lifting component is symmetrically arranged on the top of the angle steel plate (1), and a movable compartment cover (3) is arranged on the top of the lifting component. The lifting component includes a protective cover (10), and a first bearing seat (8) is symmetrically arranged on the inner top and bottom of the protective cover (10). A fixed compartment (2) is arranged on the outer side of the bottom of the protective cover (10), and a screw rod (7) is arranged on the opposite side of the first bearing seat (8). An internal threaded ring block (9) is sleeved on the outer side of the screw rod (7), and the internal threaded ring block (9) is fixedly connected to the inner side of the movable compartment cover (3). A driving component for driving the screw rod (7) to rotate is arranged on the top of the angle steel plate (1).

2. A universal truck compartment lifting and lowering device according to claim 1, characterized in that: The driving component comprises an electric motor (4) arranged on the top of the angle steel plate (1); a worm (403) is fixedly connected to the output end of the electric motor (4); a worm wheel (402) is meshed at the bottom of the worm (403); a rotating rod (5) is inserted and connected in the middle of the worm wheel (402); a transverse gear (501) is fixedly connected to the end of the rotating rod (5); a longitudinal gear (701) is meshed at the side of the transverse gear (501); and the longitudinal gear (701) is arranged at the bottom of the screw rod (7).

3. A universal truck compartment lifting and lowering device according to claim 2, characterized in that: A second bearing seat (6) for supporting the rotating rod (5) is symmetrically arranged on the top of the angle steel plate (1).

4. A universal truck compartment lifting and lowering device according to claim 2, characterized in that: A closing cover (401) is provided at the meshing position between the worm wheel (402) and the worm (403).

5. A universal truck compartment lifting and lowering device according to claim 2, characterized in that: The bottom end of the screw rod (7) is inserted and connected to the bottom of the fixed carriage (2).

6. A universal truck compartment lifting and lowering device according to claim 1, characterized in that: A limiting groove (201) is provided on the outer side of the top of the fixed carriage (2), and a positioning strip (301) is fixedly connected to the side of the movable carriage cover (3) and located in the inner cavity of the limiting groove (201).

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