Multi-stage transmission rotating pin mechanism

Abstract

The utility model relates to the technical field of lifting appliances for cranes, in particular to a multi-stage transmission rotary pin mechanism which comprises a transmission steering handle device, operation steering handle devices and a rotary pin device, and N operation steering handle devices which are sequentially arranged at intervals are symmetrically arranged at the two ends of the transmission steering handle device. The operation steering handle device rotating shaft at the first position and the transmission steering handle device rotating shaft in the operation steering handle devices in the same direction of the transmission steering handle device are correspondingly connected through a transmission rod, the operation steering handle device rotating shaft at the Nth position and the operation steering handle device rotating shaft at the (N + 1) th position are correspondingly connected through a transmission rod, and N is a natural number larger than or equal to 1; according to the utility model, the two operation steering handle devices and the rotating pin devices at proper positions can be selected to be combined for operation according to the types of different containers, and compared with the prior art that a telescopic lifting appliance or a plurality of lifting appliances are used to adapt to different types of containers, the lifting efficiency can be effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a lifting appliance for crane technical field especially is a kind of multi-stage transmission's rotating pin mechanism. BACKGROUND

[0002] In order to improve the efficiency of logistics transportation and reduce transportation cost, the transportation mode of "bulk commodity changing into set" is more and more widely used.

[0003] However, the type of container is various, the current method uses telescopic lifting appliance or uses multiple lifting appliances to adapt to different types of containers. However, whether the lifting appliance is telescopic or replaced, time is needed to wait, which affects the hoisting efficiency.

[0004] Therefore, we design a multi-stage transmission's rotating pin mechanism. UTILITY MODEL CONTENT

[0005] In order to overcome the deficiency in the background art, the utility model discloses a multi-stage transmission's rotating pin mechanism.

[0006] To achieve the above-mentioned utility model purposes, the utility model adopts the following technical scheme:

[0007] A multi-stage transmission's rotating pin mechanism, comprising transmission steering handle device, operation steering handle device and rotating pin device, the transmission steering handle device both ends are symmetrically provided with N operation steering handle devices arranged in sequence, the transmission steering handle device is located in the same direction operation steering handle device, the first position of operation steering handle device shaft and transmission steering handle device shaft, the Nth position of operation steering handle device shaft and the N+1th position of operation steering handle device shaft are connected through transmission rod, wherein, N is natural number greater than or equal to 1;

[0008] The handle part of operation steering handle device is rotatably connected with two drive rods, and the end of drive rod away from operation steering handle device is connected with rotating pin device, and two rotating pin devices are symmetrically located on both sides of operation steering handle device.

[0009] It further includes a driving device for driving the rotation of the transmission steering handle device shaft.

[0010] Preferably, the height of the N+1th position of operation steering handle device is lower than the height of the Nth position of operation steering handle device.

[0011] Preferably, the transmission rod between the Nth position of operation steering handle device shaft and the N+1th position of operation steering handle device shaft is a universal joint transmission rod.

[0012] Preferably, the drive rod is rotatably connected with rotating pin device through ball hinge.

[0013] Preferably, the driving device comprises a reduction motor, a handle is sleeved on an output shaft of the reduction motor, and a driving connecting rod is rotationally connected to the handle of the transmission handle device.

[0014] The output shaft of the reduction motor, the transmission handle device rotating shaft, the driving connecting rod, the handle and the handle of the transmission handle device form a parallelogram structure.

[0015] Preferably, the transmission handle device comprises two bearing seats arranged at intervals and a rotating shaft rotationally penetrating the two bearing seats, and a rotating handle is arranged on the rotating shaft at a position between the two bearing seats.

[0016] Due to the technical scheme, the utility model has the advantages of:

[0017] 1. Two operation handle devices and rotating pin devices at appropriate positions can be selected according to different types of containers to perform operation, compared with the prior art of using telescopic spreaders or multiple spreaders to adapt to different types of containers, the hoisting efficiency can be effectively improved.

[0018] 2. The operation handle devices at different positions are arranged at different heights, so that the influence of the operation handle devices and corresponding rotating pin devices on the inner side can be effectively avoided when the operation handle devices and corresponding rotating pin devices on the outer side are used. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a top view of the utility model;

[0020] Figure 2 is a front view of the utility model;

[0021] Figure 3 is an assembly schematic view of the transmission handle device and the driving device in the utility model;

[0022] Figure 4 is an assembly schematic view of the operation handle device and the rotating pin device in an operation state in the utility model;

[0023] Figure 5 is an assembly schematic view of the operation handle device and the rotating pin device in another operation state in the utility model;

[0024] Figure 6 is an assembly schematic view of the operation handle device and the rotating pin device in an idle state in the utility model.

[0025] In the figure: 1, transmission steering handle device; 2, operation steering handle device; 3, transmission rod; 4, rotating pin device; 5, driving rod; 6, driving device; 61, speed reduction motor; 62, rotating handle; 63, driving connecting rod; 7, bearing seat; 8, rotating shaft; 9, rotating handle. DETAILED DESCRIPTION

[0026] The utility model can be explained in detail through the following examples, the purpose of the utility model is disclosed in the utility model range of all technical improvements, in the description of the utility model, it needs to be understood that if there are terms "upper", "lower", "front", "rear", "left", "right" and so on indicate the orientation or position relationship, only with the drawing of the application, in order to facilitate the description of the utility model; It needs to be understood that if there are terms "end", "side", "end", "side", "transverse", "longitudinal" and so on indicate the orientation or position relationship, only the length and width of the corresponding component correspond, that is, "end" indicates the head and tail area of the length direction of the corresponding component, "side" indicates the head and tail area of the width direction of the corresponding component; In order to facilitate the description of the utility model and not indicate or imply that the device or element referred to must have a particular orientation.

[0027] Example one, combine with attached Figures 1-2 A rotating pin mechanism of multi-stage transmission, including transmission steering handle device 1, operation steering handle device 2 and rotating pin device 4, transmission steering handle device 1 both ends symmetry is equipped with N operation steering handle device 2 that is sequentially spaced arrangement, that is, simultaneously located in the M position of two operation steering handle device 2 height is consistent.

[0028] The rotating shaft of the operation steering handle device 2 at the first position of the operation steering handle device 2 at the same direction of the transmission steering handle device 1 and the rotating shaft of the transmission steering handle device 1 are connected by the transmission rod 3, and the rotating shaft of the operation steering handle device 2 at the N position and the rotating shaft of the operation steering handle device 2 at the N+1 position are connected by the transmission rod 3, wherein N is a natural number greater than or equal to 1.

[0029] The handle part of the operation steering handle device 2 is rotatably connected with two driving rods 5, and the end of the driving rod 5 away from the operation steering handle device 2 is connected with the rotating pin device 4, and the two rotating pin devices 4 are symmetrically located on both sides of the operation steering handle device 2.

[0030] It also includes a driving device 6 for driving the rotating shaft of the transmission steering handle device 1 to rotate.

[0031] In a possible implementation mode, combine with attached Figure 3 The driving device 6 includes a speed reduction motor 61, the output shaft of the speed reduction motor 61 is fixedly sleeved with a rotating handle 62, and the rotating handle 62 is rotatably connected with a driving connecting rod 63.

[0032] The output shaft of the speed reducer 61, the rotating shaft of the transmission handle device 1, the driving link 63, the rotating handle 62 and the handle part of the transmission handle device 1 form a parallelogram structure.

[0033] Specifically, the output shaft of the speed reducer 61 can rotate in the positive direction for operation and in the reverse direction for operation.

[0034] It should be noted that the position of the operation transmission handle device 2 is defined according to the length from the transmission handle device 1, that is, the operation transmission handle device 2 has the first position of the operation transmission handle device 2, the second position of the operation transmission handle device 2 and the third position of the operation transmission handle device 2 from inside to outside, and so on.

[0035] In the example, N can be 3, 4, 5, 6 or any suitable number. For the convenience of understanding, N is taken as 3 for illustration: the rotating shaft of the first position of the operation transmission handle device 2 is connected to the rotating shaft of the transmission handle device 1 through the transmission rod 3, the rotating shaft of the first position of the operation transmission handle device 2 is connected to the rotating shaft of the second position of the operation transmission handle device 2 through the transmission rod 3, and the rotating shaft of the second position of the operation transmission handle device 2 is connected to the rotating shaft of the third position of the operation transmission handle device 2 through the transmission rod 3.

[0036] Specifically, the fixed part of the transmission handle device 1, the fixed part of the operation transmission handle device 2, the fixed part of the rotating pin device 4 and the driving device 6 are fixedly installed on the crane spreader body.

[0037] In one possible implementation, the transmission handle device 1 and the operation transmission handle device 2 are combined with the accompanying drawings Figures 3-6 The transmission handle device 1 and the operation transmission handle device 2 have the same structure, that is, the transmission handle device 1 and the operation transmission handle device 2 each include two bearing seats 7 arranged at intervals and a rotating shaft 8 penetrating the two bearing seats 7, and the rotating shaft 8 has a rotating handle 9 arranged at a position between the two bearing seats 7.

[0038] It should be noted that the rotating pin device 4 is a commonly used device in the prior art, and its specific structure and assembly method will not be described again here.

[0039] In this way, two operation transmission handle devices 2 and rotating pin devices 4 at appropriate positions can be selected according to the type of different containers to perform operation, which can effectively improve the hoisting efficiency compared with the prior art of using telescopic spreaders or using multiple spreaders to adapt to different types of containers.

[0040] In the second embodiment, the transmission handle device 1 and the operation transmission handle device 2 are combined with the accompanying drawings Figure 2 A multi-stage transmission rotating pin mechanism, based on the first embodiment, the height of the N+1 position of the operation transmission handle device 2 is lower than the height of the N position of the operation transmission handle device 2.

[0041] It should be noted that the work steering handle device 2 needs to be installed obliquely, that is, the work steering handle device 2 rotation shaft is in an up-down inclined posture.

[0042] In order to change the installation posture of the work steering handle device 2, the work steering handle device 2 is installed horizontally, that is, the work steering handle device 2 rotation shaft is in a horizontal posture.

[0043] In a possible implementation, the work steering handle device 2 is connected to the driving rod 5 through a ball hinge. Figures 1-2 The transmission rod 3 between the work steering handle device 2 rotation shaft at the Nth position and the work steering handle device 2 rotation shaft at the N+1th position is a universal joint transmission rod. It should be noted that the two ends of the universal joint transmission rod are respectively connected to the corresponding work steering handle device 2 rotation shafts in a universal rotation manner.

[0044] In a possible implementation, the work steering handle device 2 is connected to the driving rod 5 through a ball hinge. Figures 4-6 The driving rod 5 is connected to the rotation pin device 4 in a rotation manner through a ball hinge.

[0045] The part not described in the utility model is the prior art, and for those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model; therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, and all changes falling within the meaning and scope of the equivalent elements are intended to be included in the utility model.

Claims

1. A multi-stage transmission pin mechanism, characterized in that: The invention comprises a transmission steering handle device (1), an operating steering handle device (2) and a rotating pin device (4), wherein N operating steering handle devices (2) are symmetrically arranged at intervals at both ends of the transmission steering handle device (1), and the rotating shafts of the operating steering handle device (2) at the first position and the transmission steering handle device (1) and the rotating shaft of the operating steering handle device (2) at the Nth position and the rotating shaft of the operating steering handle device (2) at the N+1th position are correspondingly connected via transmission rods (3), wherein N is a natural number greater than or equal to 1; The handle portion of the working steering handle device (2) is rotatably connected to two drive rods (5), and one end of the drive rod (5) facing away from the working steering handle device (2) is connected to the rotating pin device (4), and the two rotating pin devices (4) are symmetrically located on both sides of the working steering handle device (2); It also includes a driving device (6) for driving the rotating shaft of the transmission steering handle device (1) to rotate.

2. The multi-stage transmission pin mechanism according to claim 1, characterized in that: The height of the working steering handle device (2) at the N+1th position is lower than the height of the working steering handle device (2) at the Nth position.

3. The multi-stage transmission pin mechanism according to claim 2, characterized in that: The transmission rod (3) between the rotating shaft of the working steering handle device (2) at the Nth position and the rotating shaft of the working steering handle device (2) at the N+1th position is a universal joint transmission rod.

4. The multi-stage transmission pin mechanism according to claim 2, characterized in that: The driving rod (5) is rotationally connected to the rotating pin device (4) via a ball joint.

5. The multi-stage transmission pin mechanism according to claim 1, characterized in that: The driving device (6) comprises a reduction motor (61), an output shaft fixing sleeve of the reduction motor (61) is provided with a turning handle (62), and the turning handle (62) is rotatably connected to the handle portion of the transmission steering handle device (1) via a driving connecting rod (63); The output shaft of the reduction motor (61), the rotating shaft of the transmission steering handle device (1), the driving connecting rod (63), the rotating handle (62) and the handle portion of the transmission steering handle device (1) form a parallelogram structure.

6. The multi-stage transmission pin mechanism according to claim 1, characterized in that: The steering handle device comprises two bearing seats (7) arranged at intervals and a rotating shaft (8) that rotates and passes through the two bearing seats (7); the rotating shaft (8) is provided with a rotating handle (9) at a position where the shaft body is located between the two bearing seats (7).

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