Frame container with end parts capable of being automatically folded and lifted

Abstract

The invention belongs to the technical field of containers, and particularly relates to a frame container with the end capable of being automatically folded and lifted. Comprising a lower frame, an end frame, an end beam frame, a transmission mechanism, a lifting mechanism and a locking mechanism. A low-rotating-speed motor and an electric control system device are arranged on the lower frame; the end beam frame is fixedly connected with the lower frame; the end frame is rotatably connected to the end beam frame through a hinge pin shaft; the transmission mechanism is connected with the low-rotating-speed motor and the end frame and used for driving the end frame to rotate around the hinge pin shaft to achieve folding and unfolding. The lifting mechanism is arranged in the end frame and used for adjusting the height of the end frame. The locking mechanism comprises a height locking assembly and a folding locking assembly which are respectively used for positioning the end frame in a lifting state and a folding state. Automatic overturning of the end is achieved through the gear meshing device, automatic limiting is achieved through the electromagnetic lock structure, automatic lifting of the end corner column is achieved through the jacking chain device, and the problems in the prior art are solved.

Description

Technical Field

[0001] The present invention belongs to the technical field of containers, and particularly relates to a framed container with automatically folding and lifting ends. Background Art

[0002] Existing folding framed containers usually adopt the methods of manual flipping and pin fixing to achieve the folding and positioning of the end frames and the telescoping of the end corner posts. This method has the following defects:

[0003] 1. The operation process depends on manual labor, with low efficiency and high labor intensity;

[0004] 2. Gravity reset or spring reset may cause the lock to accidentally fall off and the locking function to fail;

[0005] 3. The spring reset structure occupies the space of the container body;

[0006] 4. There are potential safety hazards during operation.

[0007] Therefore, there is an urgent need for an automated folding and lifting framed container with reliable structure and convenient operation. Summary of the Invention

[0008] The present invention aims at the defects existing in the prior art and provides a framed container with automatically folding and lifting ends.

[0009] To achieve the above object, the present invention adopts the following technical solutions. A framed container with automatically folding and lifting ends includes a lower frame, end frames, end beam frames, a transmission mechanism, a lifting mechanism, and a locking mechanism; a low-speed motor and an electric control system device are provided on the lower frame; the end beam frames are fixedly connected to the lower frame; the end frames are rotatably connected to the end beam frames through hinge pins; the transmission mechanism connects the low-speed motor and the end frames and is used to drive the end frames to rotate around the hinge pins to achieve folding and unfolding; the lifting mechanism is arranged inside the end frames and is used to adjust the height of the end frames; the locking mechanism includes a height locking component and a folding locking component, which are respectively used to position the end frames in the lifting state and the folding state.

[0010] Further, the lower frame is an integral frame structure, which is welded by two I-shaped side beams and a plurality of cross beams sandwiched between the two I-shaped side beams, and fork slots are provided on the side beams. Wood floors are laid on the upper part of the lower frame; the low-speed motor is fixed inside the side beams of the lower frame.

[0011] Furthermore, the transmission mechanism includes an inner hinge driven gear, a transmission gear and a bearing; the inner hinge driven gear is fixedly connected to the inner hinge of the end frame; the transmission gear is fixed to the output shaft of the low-speed motor through a key connection, and the transmission gear is engaged with the inner hinge driven gear; the bearing is arranged in the side beam hole of the lower frame, and the bearing is used to support the output shaft of the low-speed motor.

[0012] Furthermore, the end frame includes a top crossbeam, an intermediate crossbeam, and a lower crossbeam arranged in parallel along a vertical direction, which are connected by telescopic assemblies on both sides to form a rigid frame structure; the telescopic assemblies include symmetrically arranged telescopic corner posts and outer corner posts, wherein the upper ends of the telescopic corner posts are fixedly connected to the top crossbeam, and the lower ends of the telescopic corner posts are slidably sleeved inside the outer corner posts to form a telescopic column structure.

[0013] Furthermore, the lifting mechanism includes a jacking chain mechanism; the jacking chain mechanism is arranged on the upper surface of the lower beam; the top of the jacking chain mechanism is connected to the top beam as the output end, and is driven by an electronic control system to realize the synchronous lifting and lowering movement of the top beam and the telescopic corner columns on both sides.

[0014] Furthermore, a height locking assembly of a locking mechanism comprising a first long-stroke electromagnetic lock and a linear guide is provided on the intermediate crossbeam; under the control of the electronic control system, the first long-stroke electromagnetic lock drives a square latch to perform linear reciprocating motion along the linear guide; when the telescopic corner post is raised or lowered to a predetermined position, the square latch is extended under the drive of the electromagnetic lock and inserted into corresponding latch sleeves provided on the telescopic corner post and the outer corner post, thereby achieving mechanical locking of the height position; when unlocking, the electromagnetic lock drives the square latch to retract, disengage from the latch sleeve, and release the position limit on the telescopic corner post.

[0015] Furthermore, the end beam frame includes a support frame formed by welding the end beam, the outer hinge plate and the inner hinge plate. The direct pin bushing is a copper alloy bushing, which is pressed into the hinge plate hole for passing the hinge pin shaft. The second long-stroke electromagnetic lock and the tapered pin constitute a folding locking component of the locking mechanism. During the folding operation, the electronic control system device controls the second long-stroke electromagnetic lock to drive the tapered pin to retract, disengage from the tapered hole on the inner hinge, and release the lock on the end frame; when unfolded into place, the electronic control system device controls the second long-stroke electromagnetic lock to drive the tapered pin to extend and insert into the tapered hole on the inner hinge to achieve mechanical locking of the unfolded position of the end frame.

[0016] Furthermore, it also includes a limit plate, which is fixed to the outer end of the hinge pin by bolts to prevent the hinge pin from falling off during rotation.

[0017] Further, the electric control system device includes a PLC controller, a motor drive module, and a solenoid valve control module, which simultaneously control the coordinated actions of the transmission mechanism, the lifting mechanism, and the locking mechanism through a preset program to achieve the automatic folding, lifting, and locking functions of the end frame.

[0018] Beneficial effects of the present invention compared with the prior art.

[0019] The present invention realizes the automatic flipping of the end through a gear meshing device, realizes the automatic limit through an electromagnetic lock structure, and realizes the automatic lifting of the end corner post through a jacking chain device, solving the problems in the prior art.

[0020] The structure of the present invention is reliable and easy to operate, meeting the requirements of container transportation; its folding, telescoping, and locking positioning all achieve automatic control, saving labor costs and having a high safety factor; finally, the positioning of the present invention is firm, and it can all achieve rapid loading, unloading, and transshipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The following further describes the present invention in conjunction with the drawings and specific embodiments. The protection scope of the present invention is not limited only to the descriptions of the following content.

[0022] Figure 1 It is a schematic diagram of the overall structure of the frame container for the embodiment;

[0023] Figures 2-3 It is a schematic diagram of the partial structure of the frame container;

[0024] Figure 4 It is a schematic diagram of the state when the end frame is rising;

[0025] Figure 5 It is a schematic diagram of the state when the end frame is descending;

[0026] Figures 6-7 It is a schematic diagram of the end beam frame structure. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0027] To make the objectives, technical solutions, and beneficial effects of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of the embodiments.

[0028] Such as Figures 1-7As shown, a specific embodiment: a frame container with automatic folding and lifting ends, comprising a lower frame 1, an end frame 2, an end beam frame 3, a transmission mechanism, a lifting mechanism and a locking mechanism; the lower frame 1 is provided with a low-speed motor 9 and an electric control system device 10; the end beam frame 3 is fixedly connected to the lower frame 1; the end frame 2 is rotatably connected to the end beam frame 3 through a hinge pin 5; the transmission mechanism connects the low-speed motor 9 and the end frame 2, and is used to drive the end frame 2 to rotate around the hinge pin 5 to achieve folding and unfolding; the lifting mechanism is provided in the end frame 2, and is used to adjust the height of the end frame 2; the locking mechanism includes a height locking assembly and a folding locking assembly, which are respectively used to position the end frame 2 in the lifting state and the folding state.

[0029] Preferably, the lower frame 1 is an integral frame structure, which is welded from two I-shaped side beams and multiple cross beams clamped between the two I-shaped side beams, and fork grooves are provided on the side beams. The upper part of the lower frame 1 is paved with wooden flooring; the low-speed motor 9 is fixed on the inner side of the side beam of the lower frame 1.

[0030] Preferably, the transmission mechanism includes an inner hinge driven gear 6, a transmission gear 7 and a bearing 8; the inner hinge driven gear 6 is fixedly connected to the inner hinge 2.12 of the end frame 2; the transmission gear 7 is fixed to the output shaft of the low-speed motor 9 through a key connection, and the transmission gear 7 is engaged with the inner hinge driven gear 6; the bearing 8 is arranged in the side beam hole of the lower frame 1, and the bearing 8 is used to support the output shaft of the low-speed motor 9.

[0031] Preferably, the end frame 2 comprises a top crossbeam 2.3, an intermediate crossbeam 2.2, and a lower crossbeam 2.1 arranged in parallel along a vertical direction. These three crossbeams are connected by telescopic assemblies on both sides to form a rigid frame structure. The telescopic assemblies include symmetrically arranged telescopic corner posts 2.5 and outer corner posts 2.6. The upper ends of the telescopic corner posts 2.5 are fixedly connected to the top crossbeam 2.3, and the lower ends of the telescopic corner posts 2.5 are slidably sleeved within the outer corner posts 2.6 to form a telescopic column structure.

[0032] Preferably, the lifting mechanism includes a lifting chain mechanism 2.8; the lifting chain mechanism 2.8 is arranged on the upper surface of the lower crossbeam 2.1; the top of the lifting chain mechanism 2.8 serves as an output end and is transmission-connected to the top crossbeam 2.3, and is driven by the electronic control system device 10 to achieve synchronous lifting and lowering movement of the top crossbeam 2.3 and the telescopic corner posts 2.5 on both sides.

[0033] Preferably, a height locking assembly of a locking mechanism composed of a first long-stroke electromagnetic lock 2.9 and a linear guide 2.10 is provided on the middle cross beam 2.2; under the control of the electric control system device 10, the first long-stroke electromagnetic lock 2.9 drives the square bolt 2.11 to perform a linear reciprocating motion along the linear guide 2.10; when the telescopic corner post 2.5 is lifted or lowered to a predetermined position, the square bolt 2.11 extends out under the drive of the electromagnetic lock and is inserted into the bolt sleeves 2.7 correspondingly arranged on the telescopic corner post 2.5 and the outer corner post 2.6 to achieve mechanical locking of the height position; when unlocking, the electromagnetic lock drives the square bolt 2.11 to retract and disengages from the bolt sleeve 2.7 to release the limit on the telescopic corner post 2.5.

[0034] Preferably, the end beam frame 3 includes a support frame formed by welding the end beam 3.1, the outer hinge plate 3.2 and the inner hinge plate 3.3. The straight pin bushing 3.8 is a copper alloy bushing, which is press-fitted into the hinge plate hole for passing through the hinge pin shaft 5. A folding locking assembly of the locking mechanism is composed of a second long-stroke electromagnetic lock 3.9 and a tapered pin 3.10. Among them, during the folding operation, the electric control system device 10 controls the second long-stroke electromagnetic lock 3.9 to drive the tapered pin 3.10 to retract and disengage from the tapered hole on the inner hinge 2.12 to release the lock on the end frame 2; when the unfolding is in place, the electric control system device 10 controls the second long-stroke electromagnetic lock 3.9 to drive the tapered pin 3.10 to extend and insert into the tapered hole on the inner hinge 2.12 to achieve mechanical locking of the unfolding position of the end frame 2.

[0035] Preferably, a limit plate 4 is further included, which is fixed to the outer end of the hinge pin shaft 5 by bolts to prevent the hinge pin shaft 5 from falling off during the rotation process.

[0036] Preferably, the electric control system device 10 includes a PLC controller, a motor drive module and a solenoid valve control module, which simultaneously control the coordinated actions of the transmission mechanism, the lifting mechanism and the locking mechanism through a preset program to achieve the automatic folding, lifting and locking functions of the end frame 2.

[0037] Embodiment 1: The framed container includes a lower frame 1, end frames 2, end beam frames 3, limit plates 4, hinge pins 5, inner hinge driven gears 6, drive gears 7, bearings 8, low-speed motors 9, and an electric control system device 10; among them, the rotational speed range of the low-speed motor is between 10 RPM and 60 RPM. The lower frame 1 is composed of: the lower frame is an integral frame welded by two I-shaped side beams, multiple cross beams, and fork slots, with a wooden floor laid on the upper part. The overall structure is welded by the lower frame 1 and the end beam frame 3 into an integral whole, and the end frame 2 is fixed on the end beam frame 3 through the hinge pin 5; the limit plate 4 is fixed outside the hinge pin 5 to prevent the pin from falling off, and the inner hinge driven gear 6 is welded integrally with the inner hinge 2.12 in the end frame 2; the low-speed motor 9 is fixed inside the side beam of the lower frame 1, the bearing 8 is fixed in the side beam hole of the lower frame 1, and the drive gear 7 is welded integrally with the shaft of the low-speed motor 9; the electric control system device 10 controls the rotation of the shaft of the low-speed motor 9 to drive the drive gear 7 to rotate, thereby driving the inner hinge driven gear 6 and the end frame 2 to rotate together, realizing the automatic folding and reset upright of the end frame 2.

[0038] Embodiment 2: The end frame 2 is composed of: a lower cross beam 2.1, an intermediate cross beam 2.2, a top cross beam 2.3, wall panels 2.4, telescopic corner columns 2.5 (a hollow rectangular structure welded by steel plates), outer corner columns 2.6 (a hollow rectangular structure welded by steel plates), pin sleeves 2.7, a jacking chain mechanism 2.8, a first long-stroke electromagnetic lock 2.9, linear guide rails 2.10, square pins 2.11, and inner hinges 2.12. The end frame 2 is welded by the lower cross beam 2.1, the intermediate cross beam 2.2, the top cross beam 2.3, the wall panels 2.4, the outer corner columns 2.6, and the inner hinges 2.12 into an integral frame, and the telescopic corner columns 2.5 are welded separately with the top cross beam 2.3 into an integral whole; the jacking chain mechanism 2.8 is placed on the upper surface of the lower cross beam 2.1, and at the same time, the top of the chain mechanism is connected to the top cross beam 2.3. The electric control system device 10 is used to realize the lifting of the jacking chain mechanism 2.8 and drive the top cross beam 2.3 and the telescopic corner columns 2.5 to lift together; realizing the adjustment of the overall height of the end frame; at the same time, the first long-stroke electromagnetic lock 2.9 and the linear guide rails 2.10 are placed on the intermediate cross beam. After the square pin 2.11 is connected to the first long-stroke electromagnetic lock 2.9, the electric control system device 10 controls the electromagnetic lock 2.9 to drive the square pin 2.11 to reciprocate on the linear guide rails 2.10, and cooperate and unlock with the pin sleeves 2.7 in the telescopic corner columns 2.5 and the outer corner columns 2.6, realizing the unlocking and positioning of the reciprocating movement of the telescopic corner columns 2.5 up and down.

[0039] Embodiment 3. Composition of the end beam frame 3: End beam 3.1 (in a bent form), outer hinge plate 3.2, inner hinge plate 3.3, connecting plate 3.4, back plate 3.5, corner top plate 3.6, taper pin bushing 3.7, straight pin bushing 3.8, second long-stroke electromagnetic lock 3.9, taper pin 3.10. The end beam frame 3 is welded into an integral frame by the end beam 3.1, outer hinge plate 3.2, inner hinge plate 3.3, connecting plate 3.4, back plate 3.5, and corner top plate 3.6. The taper pin bushing 3.7 is embedded in the round holes of the inner and outer hinge plates and is coaxial with the holes on the inner hinge 2.12. The second long-stroke electromagnetic lock 3.9 and the taper pin 3.10 are integrally welded on the end beam 3.1. The reciprocating movement of the taper pin 3.10 is realized through the electric control system device 10 to unlock and position the inner hinge 2.12. The straight pin bushing 3.8 is embedded in the hole of the outer hinge plate 3.2 and is coaxial with the hole on the inner hinge 2.12 for passing through the hinge pin shaft 5 to realize the rotation of the end frame.

[0040] In the description of this specification, the description referring to terms such as "one embodiment", "some embodiments", "schematic embodiments", "preferred embodiments", "specific embodiments", or "preferred embodiments" etc. means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0041] The above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some or all of the technical features; thus, these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope defined by the claims of the present invention.

Claims

1. An end-automatic folding and lifting framework container, characterized in that: It comprises a lower frame (1), an end frame (2), an end beam frame (3), a transmission mechanism, a lifting mechanism and a locking mechanism; The lower frame (1) is provided with a low-speed motor (9) and an electric control system device (10); the end beam frame (3) is fixedly connected to the lower frame (1); the end frame (2) is rotatably connected to the end beam frame (3) via a hinge pin (5); the transmission mechanism connects the low-speed motor (9) and the end frame (2) and is used to drive the end frame (2) to rotate around the hinge pin (5) to achieve folding and unfolding; the lifting mechanism is provided in the end frame (2) and is used to adjust the height of the end frame (2); the locking mechanism includes a height locking component and a folding locking component, which are used to position the end frame (2) in a lifting state and a folding state, respectively.

2. The framework container according to claim 1, characterized in that: The lower frame (1) is an integral frame structure, which is welded from two I-shaped side beams and a plurality of cross beams sandwiched between the two I-shaped side beams, and the side beams are provided with fork grooves. The upper part of the lower frame (1) is paved with a wooden floor; the low-speed motor (9) is fixed to the inner side of the side beam of the lower frame (1).

3. The framed container according to claim 1, wherein: The transmission mechanism comprises an inner hinge driven gear (6), a transmission gear (7) and a bearing (8); the inner hinge driven gear (6) is fixedly connected to the inner hinge (2.12) of the end frame (2); the transmission gear (7) is fixed to the output shaft of the low-speed motor (9) through a key connection, and the transmission gear (7) is meshed with the inner hinge driven gear (6); the bearing (8) is arranged in a side beam hole of the lower frame (1), and the bearing (8) is used to support the output shaft of the low-speed motor (9).

4. The framed container according to claim 1, wherein: The end frame (2) comprises a top crossbeam (2.3), an intermediate crossbeam (2.2) and a lower crossbeam (2.1) arranged in parallel in a vertical direction, the three being connected via telescopic components on both sides to form a rigid frame structure; the telescopic components comprising symmetrically arranged telescopic corner posts (2.5) and outer corner posts (2.6), wherein the upper ends of the telescopic corner posts (2.5) are fixedly connected to the top crossbeam (2.3), and the lower ends of the telescopic corner posts (2.5) are slidably sleeved inside the outer corner posts (2.6), forming a telescopic column structure.

5. The framed container according to claim 4, characterized in that: The lifting mechanism comprises a lifting chain mechanism (2.8); the lifting chain mechanism (2.8) is arranged on the upper surface of the lower crossbeam (2.1); the top of the lifting chain mechanism (2.8) is connected to the top crossbeam (2.3) as an output end, and is driven by an electric control system device (10) to achieve synchronous lifting and lowering movement of the top crossbeam (2.3) and the telescopic corner columns (2.5) on both sides.

6. The framed container according to claim 4, wherein: A height locking assembly of a locking mechanism composed of a first long-stroke electromagnetic lock (2.9) and a linear guide (2.10) is provided on the middle cross beam (2.2); under the control of the electric control system device (10), the first long-stroke electromagnetic lock (2.9) drives a square bolt (2.11) to perform a linear reciprocating motion along the linear guide (2.10); when the telescopic corner post (2.5) is lifted or lowered to a predetermined position, the square bolt (2.11) extends out under the drive of the electromagnetic lock and is inserted into a bolt sleeve (2.7) correspondingly arranged on the telescopic corner post (2.5) and the outer corner post (2.6), so as to achieve mechanical locking of the height position; when unlocking, the electromagnetic lock drives the square bolt (2.11) to retract and disengage from the bolt sleeve (2.7), releasing the limit on the telescopic corner post (2.5).

7. The framed container according to claim 1, characterized in that: The end beam frame (3) includes a support frame formed by welding an end beam (3.1), an outer hinge plate (3.2) and an inner hinge plate (3.3). The straight pin bushing (3.8) is a copper alloy bushing, which is press-fitted into the hinge plate hole for passing through a hinge pin shaft (5). A folding locking assembly of the locking mechanism is composed of a second long-stroke electromagnetic lock (3.9) and a tapered pin (3.10). Among them, during the folding operation, the electric control system device (10) controls the second long-stroke electromagnetic lock (3.9) to drive the tapered pin (3.10) to retract and disengage from the tapered hole on the inner hinge (2.12), releasing the locking of the end frame (2); when unfolded in place, the electric control system device (10) controls the second long-stroke electromagnetic lock (3.9) to drive the tapered pin (3.10) to extend and insert into the tapered hole on the inner hinge (2.12), so as to achieve mechanical locking of the unfolded position of the end frame (2).

8. The framed container according to claim 1, characterized in that: It further includes a limit plate (4), which is fixed to the outer end of the hinge pin shaft (5) by bolts and is used to prevent the hinge pin shaft (5) from falling off during rotation.

9. The framed container according to claim 1, wherein: The electric control system device (10) includes a PLC controller, a motor drive module and a solenoid valve control module, and controls the coordinated actions of the transmission mechanism, the lifting mechanism and the locking mechanism through a preset program, so as to achieve the automatic folding, lifting and locking functions of the end frame (2).

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