Reciprocating elevator

Abstract

The utility model relates to the technical field of elevators, and discloses a reciprocating elevator which is characterized in that a first support is mounted on a base, a second support is arranged on one side of the first support, a first sliding groove is formed in the inner side of the first support, and a first screw is arranged in the first sliding groove. When the stroke of the supporting plate needs to be adjusted, the second support can be turned over to the upper side of the first support so that the second support can be perpendicularly connected with the first support in a butt joint mode, and after the second support and the first support are in a perpendicular state, the bolt on the fixing block is rotated inwards so that the bolt can be in threaded connection with the threaded hole in the first support. And in the overturning process of the second support, an insertion rod at the bottom end of a second screw rod penetrates through the opening and then is connected with an insertion groove in the top of the first screw rod in an inserted mode, so that the first screw rod and the second screw rod are in the same path state, and the supporting plate can continue to ascend and descend under limiting of the second support.

Description

Technical Field

[0001] The utility model relates to the technical field of elevators, in particular to a reciprocating elevator. Background Art

[0002] An elevator is a large piece of machinery that uses a power machine to drag a flexible steel wire rope and the cargo being transported up and down to complete the transportation process. Common types of elevators include bucket elevators, chain elevators, and plate elevators, each with different characteristics and application ranges.

[0003] The common hoists on the market have reliable performance and high positioning accuracy of the lifting car. The reciprocating hoist is a type of lifting equipment. The lifting equipment uses external power for traction and uses an electric motor or a small diesel engine as power for hydraulic lifting. It is convenient and flexible, has good maneuverability, and is safe and reliable.

[0004] However, existing hoists have a fixed height. To change the overall height of the hoist, the external frame structure must be disassembled to lower or raise it, and then the internal transmission structure must be adjusted. This adjustment method is complex and cumbersome. Therefore, those skilled in the art have provided a reciprocating hoist to solve the problems raised in the above background technology. Utility Model Content

[0005] (1) Technical problems solved

[0006] In response to the deficiencies in the prior art, the present invention provides a reciprocating hoist to solve the problem that when the overall height of the hoist needs to be changed, the external frame structure needs to be disassembled, lowered or raised, and then the internal transmission structure needs to be adjusted. The above adjustment method is complicated and troublesome.

[0007] (2) Technical solution

[0008] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a reciprocating elevator, comprising a base and a support plate, wherein a first bracket is installed on the base, a second bracket is provided on one side of the first bracket, a first slide groove is provided on the inner side of the first bracket, a first screw is provided in the first slide groove, a motor is installed at the bottom end of the first screw, a slot is provided at the top end of the first screw, a second slide groove is provided on the inner side of the second bracket, a limiting hole is provided at the bottom end of the second slide groove, a second screw is provided in the second slide groove, a limiting ring is installed at one end of the second screw, and an insert rod is installed at the other end of the second screw, a threaded hole is provided on one side of the outer wall of the first bracket, a fixing block is installed on one side of the outer wall of the second bracket, a bolt is connected to the fixing block, and threaded sleeves are installed on both sides of the support plate.

[0009] Preferably, the first bracket is rotatably connected to one side of the upper end of the second bracket, the bolt is threadedly connected to the threaded hole, the second bracket is flipped to the upper side of the first bracket so that the second bracket is vertically docked with the first bracket, and then the bolt is rotated inward to stably fix the first bracket and the second bracket.

[0010] Preferably, the threaded sleeve is slidably engaged with the first sliding groove, and the threaded sleeve is threadably engaged with the first screw rod, so that the first screw rod will not shake in the first sliding groove.

[0011] Preferably, an opening is provided on the outer wall of the first slide groove, the insertion rod is plugged into the slot, and the insertion rod at the bottom end of the second screw rod is plugged into the slot at the top of the first screw rod after passing through the opening, so that the first screw rod and the second screw rod form a state of the same path.

[0012] Preferably, the second screw is rotatably engaged with the limiting hole through a limiting ring, thereby positioning the second screw to prevent the second screw from shaking.

[0013] Preferably, the motor is fixedly mounted on the base, and the motor is drivingly connected to the first screw. When the motor drives the first screw to rotate, the rotation of the first screw can drive the threaded sleeve to move back and forth in both directions, thereby driving the support plate to move up and down.

[0014] (3) Beneficial effects

[0015] Compared with the prior art, the present invention provides a reciprocating elevator with the following beneficial effects:

[0016] Through the design, when the stroke of the support plate needs to be adjusted, the second bracket can be flipped to the upper side of the first bracket so that the second bracket is vertically docked with the first bracket. When the second bracket and the first bracket are in a vertical state, the bolts on the fixing block are rotated inward so that the bolts are threadedly connected with the threaded holes on the first bracket, thereby stably fixing the first bracket and the second bracket. During the flipping of the second bracket, the insertion rod at the bottom end of the second screw passes through the opening and is plugged into the slot at the top of the first screw, so that the first screw and the second screw form a state of the same path, and the support plate can continue to be lifted and lowered under the limit of the second bracket. This structure does not require the external frame and the internal transmission structure to be disassembled and adjusted when changing the overall height of the elevator, and the structure is quick and convenient to adjust. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of a reciprocating elevator provided in an embodiment of the present application.

[0018] Figure 2 It is a schematic diagram of the deformed structure of a reciprocating elevator provided in an embodiment of the present application.

[0019] Figure 3 This is a structural exploded diagram of a reciprocating elevator provided in an embodiment of the present application.

[0020] In the figure: 1. base; 2. first bracket; 201. first slide; 2011. opening; 202. first screw; 2021. slot; 203. threaded hole; 3. second bracket; 301. second slide; 3011. limiting hole; 302. second screw; 3021. insert rod; 3022. limiting ring; 303. fixing block; 304. bolt; 4. motor; 5. support plate; 501. threaded sleeve. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] This utility model provides a technical solution, a reciprocating hoist, please refer to Figure 1 、 Figure 2 and Figure 3 , including a base 1 and a support plate 5, the base 1 is provided with a first bracket 2, and a second bracket 3 is provided on one side of the first bracket 2, a first slide groove 201 is opened on the inner side of the first bracket 2, a first screw 202 is provided in the first slide groove 201, and a motor 4 is installed at the bottom end of the first screw 202, a slot 2021 is opened at the top of the first screw 202, a second slide groove 301 is opened on the inner side of the second bracket 3, a limiting hole 3011 is opened at the bottom end of the second slide groove 301, a second screw 302 is provided in the second slide groove 301, a limiting ring 3022 is installed at one end of the second screw 302, and an insert rod 3021 is installed at the other end of the second screw 302, a threaded hole 203 is opened on one side of the outer wall of the first bracket 2, a fixing block 303 is installed on one side of the outer wall of the second bracket 3, a bolt 304 is connected to the fixing block 303, and threaded sleeves 501 are installed on both sides of the support plate 5.

[0023] The motor 4 is fixedly installed on the base 1, and the motor 4 is driven and connected to the first screw 202. When the motor 4 drives the first screw 202 to rotate, the rotation of the first screw 202 can drive the threaded sleeve 501 to reciprocate in both directions, thereby driving the support plate 5 to rise and fall. The first bracket 2 is rotatably connected to one side of the upper end of the second bracket 3, and the bolt 304 is threadedly connected to the threaded hole 203. The second bracket 3 is flipped to the upper side of the first bracket 2 so that the second bracket 3 is vertically docked with the first bracket 2. Then the bolt 304 is rotated inward to stably fix the first bracket 2 and the second bracket 3. The threaded sleeve 501 is slidably engaged with the first slide groove 201, and the screw The threaded sleeve 501 is threadedly connected to the first screw 202, so that the first screw 202 will not shake in the first slide groove 201. An opening 2011 is provided on the outer wall of the first slide groove 201, and the insertion rod 3021 is plugged into the slot 2021, and the insertion rod 3021 at the bottom end of the second screw 302 is plugged into the slot 2021 at the top of the first screw 202 after passing through the opening 2011, so that the first screw 202 and the second screw 302 form a state of forming the same path, and the second screw 302 is rotatably engaged with the limiting hole 3011 through the limiting ring 3022, thereby positioning the second screw 302 to prevent the second screw 302 from shaking.

[0024] The base 1 in the present invention is provided with a first bracket 2, and one side of the upper end of the first bracket 2 is rotatably connected to the second bracket 3, a first slide groove 201 is provided in the first bracket 2, a second slide groove 301 is provided in the second bracket 3, a first screw 202 is provided in the first slide groove 201, the bottom end of the first screw 202 is driven and connected to the motor 4, the motor 4 is fixedly installed with the base 1, a slot 2021 is provided at the upper end of the first screw 202, a second screw 302 is provided in the second slide groove 301, an insert rod 3021 is installed at the bottom end of the second screw 302, a limiting ring 3022 is installed at the bottom end of the second screw 302, and the second screw 302 is rotatably engaged with the limiting hole 3011 at the upper end of the second slide groove 301 through the limiting ring 3022;

[0025] A support plate 5 is provided in the first bracket 2, and threaded sleeves 501 are installed on both sides of the support plate 5. The outer wall of the threaded sleeve 501 is slidably engaged with the first slide groove 201, and the threaded sleeve 501 is threadedly engaged with the first screw 202. When the motor 4 drives the first screw 202 to rotate, the rotation of the first screw 202 can drive the threaded sleeve 501 to reciprocate and lift in both directions, thereby driving the support plate 5 to lift and lower;

[0026] When the stroke of the support plate 5 needs to be adjusted, the second bracket 3 can be flipped to the upper side of the first bracket 2, so that the second bracket 3 is vertically connected to the first bracket 2. When the second bracket 3 and the first bracket 2 are in a vertical state, the bolt 304 on the fixing block 303 is rotated inward so that the bolt 304 is threadedly connected with the threaded hole 203 on the first bracket 2, thereby stably fixing the first bracket 2 and the second bracket 3. During the flipping of the second bracket 3, the insertion rod 3021 at the bottom end of the second screw rod 302 passes through the opening 2011 and is plugged into the slot 2021 at the top of the first screw rod 202, so that the first screw 202 and the second screw 302 form a state of the same path, and the support plate 5 can continue to be lifted and lowered under the limit of the second bracket 3. When this structure changes the overall height of the elevator, there is no need to disassemble and adjust the external frame and the internal transmission structure.

[0027] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0028] In this document, unless otherwise clearly specified and limited, terms such as "installation", "setting", "connection", "fixation", and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly specified, ordinary technicians in this field can understand the specific meanings of the above terms in this utility model according to specific circumstances.

[0029] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A reciprocating elevator, comprising a base (1) and a support plate (5), characterized in that: A first bracket (2) is installed on the base (1), a second bracket (3) is provided on one side of the first bracket (2), a first slide groove (201) is provided on the inner side of the first bracket (2), a first screw rod (202) is provided in the first slide groove (201), a motor (4) is installed at the bottom end of the first screw rod (202), a slot (2021) is provided at the top end of the first screw rod (202), a second slide groove (301) is provided on the inner side of the second bracket (3), and a limit position is provided at the bottom end of the second slide groove (301). A hole (3011) is provided in the second slide groove (301), a second screw rod (302) is provided in the second slide groove (301), a limiting ring (3022) is installed at one end of the second screw rod (302), and an insert rod (3021) is installed at the other end of the second screw rod (302), a threaded hole (203) is provided on one side of the outer wall of the first bracket (2), a fixing block (303) is installed on one side of the outer wall of the second bracket (3), a bolt (304) is connected to the fixing block (303), and threaded sleeves (501) are installed on both sides of the support plate (5).

2. A reciprocating elevator according to claim 1, characterized in that: The first bracket (2) is rotatably connected to one side of the upper end of the second bracket (3), and the bolt (304) is threadedly connected to the threaded hole (203).

3. A reciprocating elevator according to claim 1, characterized in that: The threaded sleeve (501) is slidably engaged with the first sliding groove (201), and the threaded sleeve (501) is threadedly engaged with the first screw rod (202).

4. A reciprocating elevator according to claim 1, characterized in that: An opening (2011) is provided on the outer wall of the first sliding groove (201), and the insertion rod (3021) is plugged into the slot (2021).

5. The reciprocating elevator according to claim 1, characterized in that: The second screw (302) is rotatably engaged with the limiting hole (3011) via a limiting ring (3022).

6. A reciprocating elevator according to claim 1, characterized in that: The motor (4) is fixedly mounted on the base (1), and the motor (4) is drivingly connected to the first screw (202).

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