Synchronous distance adjusting mechanism and elevator

Abstract

The utility model discloses a synchronous distance adjusting mechanism. The synchronous distance adjusting mechanism comprises a fixed seat, a pair of sliding seats and a screw rod, wherein a pair of guide pieces is arranged on the fixed seat; the pair of sliding seats is in sliding connection with the pair of guide pieces respectively; the screw is connected with a pair of nuts, and the screw rotates to drive the pair of nuts to be close to or away from each other; the pair of nuts is connected with the pair of sliding seats in a one-to-one correspondence mode. The utility model further discloses an elevator which comprises a plurality of synchronous distance adjusting mechanisms of the previous embodiment, a frame body and a pair of conveying beams, the pair of conveying beams are connected with the frame body through the synchronous distance adjusting mechanisms, and the pair of conveying beams are correspondingly connected with a pair of sliding seats of the synchronous distance adjusting mechanisms. The synchronous distance adjusting mechanisms are connected with the bevel gear set through connecting shafts, and hand wheels are arranged at the input ends of the connecting shafts. The conveying device is simple in structure and convenient to implement, the distance between a pair of conveying beams can be adjusted at the same time, and the problem that the center of the whole frame body is unstable due to movement of a single conveying beam is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of distance adjustment mechanisms, in particular to a synchronous distance adjustment mechanism and a hoist. Background Art

[0002] In the prior art, the distance between the conveying beams of the conveying mechanism is mostly unadjustable or difficult to adjust. Some conveying mechanisms use a unilateral adjustment method to adjust the distance between the conveying beams, which has a complex structure and a small scope of application. Summary of the invention

[0003] According to an embodiment of the utility model, a synchronous distance adjustment mechanism is provided, comprising:

[0004] A fixed seat, on which a pair of guide members are arranged;

[0005] A pair of sliding seats, wherein the pair of sliding seats are respectively slidably connected to the pair of guide members;

[0006] A screw rod is connected to a pair of nuts, and the rotation of the screw rod can drive the pair of nuts to move closer to or away from each other;

[0007] A pair of nuts are respectively connected to a pair of sliding seats in one-to-one correspondence and can drive the corresponding sliding seats to move.

[0008] Further, the guide member comprises: a guide rail and a guide groove;

[0009] The guide groove is arranged below the guide track, and the sliding seat is slidably connected with the corresponding guide member through the guide track and the guide groove, and the guide track and the guide groove play a guiding and limiting role for the sliding seat.

[0010] Furthermore, a sliding member is provided between the sliding seat and the guide rail, and the sliding seat is slidably connected to the guide rail via the sliding member, so as to reduce friction between the sliding seat and the guide rail.

[0011] Furthermore, a limiting portion is provided in the middle of the screw rod, and the limiting portion is used to determine the minimum distance between a pair of sliding seats.

[0012] According to another embodiment of the utility model, a lifting machine is also provided, comprising several synchronous distance adjusting mechanisms of the previous embodiments, a frame and a pair of conveying beams, the pair of conveying beams are connected to the frame through several synchronous distance adjusting mechanisms, the pair of conveying beams are correspondingly connected to a pair of sliding seats of the synchronous distance adjusting mechanisms, and can move synchronously with the corresponding sliding seats; the several synchronous distance adjusting mechanisms are connected to each other through a connecting shaft and a bevel gear set, a hand wheel is provided at the input end of the connecting shaft, and the several synchronous distance adjusting mechanisms can be driven to move synchronously by rotating the hand wheel.

[0013] Furthermore, it also comprises: a sealing seat, the bevel gear set is arranged in the sealing seat, and the sealing seat is fixedly connected to the frame.

[0014] According to the synchronous distance adjustment mechanism and the elevator of the embodiment of the utility model, the structure is simple and easy to implement, and the distance between a pair of conveying beams can be adjusted simultaneously, thus avoiding the problem of instability of the center of the entire frame caused by the movement of a single conveying beam.

[0015] It is to be understood that both the foregoing general description and the following detailed description are exemplary, and are intended to provide further explanation of the technology as claimed. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic perspective view of a synchronous distance adjustment mechanism according to an embodiment of the utility model;

[0017] Figure 2 for Figure 1 Left view of

[0018] Figure 3 It is a schematic diagram of the internal structure according to an embodiment of the utility model;

[0019] Figure 4 It is a partial structural schematic diagram of a hoist according to an embodiment of the utility model;

[0020] Figure 5 for Figure 4 A magnified image of point A;

[0021] Figure 6 for Figure 4 The enlarged view of point B;

[0022] Figure 7 for Figure 4 Right view of . DETAILED DESCRIPTION

[0023] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings to further illustrate the present invention.

[0024] First, combine Figures 1 to 3 The synchronous distance adjustment mechanism according to the embodiment of the utility model is described, which is used for adjusting the distance of a conveying beam in a conveyor and has a wide range of application scenarios.

[0025] like Figures 1 to 3 As shown, the synchronous distance adjustment mechanism of the embodiment of the utility model comprises:

[0026] A fixed seat 1, on which a pair of guide members 11 are arranged;

[0027] A pair of sliding seats 2, wherein the pair of sliding seats 2 are respectively slidably connected to a pair of guide members 11;

[0028] A screw rod 31 is connected to a pair of nuts 32, and the screw rod 31 rotates to drive the pair of nuts 32 to move closer to or away from each other;

[0029] A pair of nuts 32 are connected to a pair of sliding seats 2 in a one-to-one correspondence, and can drive the corresponding sliding seats 2 to move.

[0030] Further, if Figures 1 to 3 As shown, in this embodiment, the guide member 11 comprises: a guide rail 111 and a guide groove 112;

[0031] The guide groove 112 is arranged below the guide rail 111 . The sliding seat 2 is slidably connected to the corresponding guide member 11 through the guide rail 111 and the guide groove 112 . The guide rail 111 and the guide groove 112 play a guiding and limiting role on the sliding seat 2 .

[0032] Further, if Figure 3 As shown, in this embodiment, a sliding member 21 is provided between the sliding seat 2 and the guide rail 111 , and the sliding seat 2 is slidably connected to the guide rail 111 via the sliding member 21 , so as to reduce the friction between the sliding seat 2 and the guide rail 111 .

[0033] Further, if Figure 1 , 3 As shown, in this embodiment, a limiting portion 311 is provided in the middle of the screw rod 31 , and the limiting portion 311 is used to determine the minimum distance between a pair of sliding seats 2 .

[0034] Secondly, if Figures 1 to 7 As shown, the second embodiment of the utility model provides a hoist, comprising several synchronous distance adjusting mechanisms of the previous embodiments, a frame 4 and a pair of conveying beams, the pair of conveying beams are connected to the frame 4 through several synchronous distance adjusting mechanisms, a pair of conveying beams 5 are correspondingly connected to a pair of sliding seats 2 of the synchronous distance adjusting mechanisms, and can move synchronously with the corresponding sliding seats 2; several synchronous distance adjusting mechanisms are connected through multiple connecting shafts 6 and multiple bevel gear sets 7 (belonging to the prior art), and a hand wheel 9 is provided at the input end of the connecting shaft 6, and several synchronous distance adjusting mechanisms can be driven to move synchronously by rotating the hand wheel 9, and the hand wheel 9 is convenient for adjustment and has low cost.

[0035] Further, if Figures 4 to 7 As shown, in this embodiment, it also includes: a sealing seat 8, the bevel gear set 7 is arranged in the sealing seat 8, the sealing seat 8 is fixedly connected to the frame 4, the sealing seat 8 prevents the bevel gear set 7 from being contaminated, and the connecting shaft 6 is hinged to the corresponding sealing seat 8 respectively.

[0036] Working principle: Turn the hand wheel 9, the connecting shaft 6 and the bevel gear set 7 rotate synchronously, thereby driving a number of synchronous distance adjustment mechanisms to move synchronously, and then driving a pair of conveying beams 5 to move synchronously.

[0037] Above, refer to Figures 1 to 7 The invention describes a synchronous distance adjustment mechanism and a hoist according to an embodiment of the utility model, which has a simple structure and is easy to implement. The distance between a pair of conveying beams can be adjusted simultaneously, thus avoiding the problem of instability of the center of the entire frame caused by the movement of a single conveying beam.

[0038] It should be noted that, in this specification, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprises..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0039] Although the content of the utility model has been described in detail through the above preferred embodiments, it should be appreciated that the above description should not be considered as a limitation of the utility model. After reading the above content, various modifications and substitutions of the utility model will be obvious to those skilled in the art. Therefore, the protection scope of the utility model should be limited by the attached claims.

Claims

1. A synchronous distance adjustment mechanism, characterized in that: Include: A fixed seat, wherein a pair of guide members are arranged on the fixed seat; A pair of sliding seats, wherein the pair of sliding seats are slidably connected to the pair of guide members respectively; A screw rod, a pair of nuts being connected to the screw rod, and the rotation of the screw rod can drive the pair of nuts to move closer to or away from each other; The pair of nuts are respectively connected to the pair of sliding seats in a one-to-one correspondence and can drive the corresponding sliding seats to move.

2. The synchronous pitch adjustment mechanism according to claim 1, characterized in that: The guide member comprises: a guide rail and a guide groove; The guide groove is arranged below the guide track, and the sliding seat is slidably connected with the corresponding guide member through the guide track and the guide groove, and the guide track and the guide groove play a guiding and limiting role for the sliding seat.

3. The synchronous pitch adjustment mechanism according to claim 2, characterized in that: A sliding member is provided between the sliding seat and the guide rail, and the sliding seat is slidably connected to the guide rail through the sliding member.

4. The synchronous pitch adjustment mechanism according to claim 1, characterized in that: A limiting portion is arranged in the middle of the screw rod, and the limiting portion is used to determine the minimum distance between the pair of sliding seats.

5. A hoist, comprising a plurality of synchronous distance adjustment mechanisms as described in any one of claims 1 to 4, a frame and a pair of conveying beams, characterized in that: The pair of conveying beams are connected to the frame through a plurality of synchronous distance adjusting mechanisms, and the pair of conveying beams are correspondingly connected to the pair of sliding seats of the synchronous distance adjusting mechanisms and can move synchronously with the corresponding sliding seats; the plurality of synchronous distance adjusting mechanisms are connected through a connecting shaft and a bevel gear set, and a hand wheel is provided at the input end of the connecting shaft, and the plurality of synchronous distance adjusting mechanisms can be driven to move synchronously by rotating the hand wheel.

6. The lifting machine according to claim 5, characterized in that It also comprises: a sealing seat, the bevel gear set is arranged in the sealing seat, and the sealing seat is fixedly connected to the frame.

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