Lifting device for elevator

Abstract

The utility model relates to the technical field of elevators, in particular to a lifting device for an elevator, which comprises a base, the bottom of the base is fixedly connected with the top of a driving part, the outer wall of the driving part is fixedly clamped with the inner wall of a lifting part, and the outer wall of the lifting part movably abuts against the inner wall of the lifting part. The outer walls of the lifting pieces are slidably connected with the inner wall of the base, the inner wall of the base is slidably connected with the outer walls of the buffering pieces, the two lifting pieces and the two buffering pieces are arranged along a central axis mirror of the base, a driving motor is started, the driving motor drives a driving shaft to rotate, and the buffering pieces are driven by the driving motor to rotate. The driving shaft drives the winding roller to rotate, the winding roller rotates to enable the lifting steel rope to be wound on the outer wall of the winding roller for winding, the winding roller is shortened, the shortened lifting steel rope pulls the pulley, the lifting block drives the lifting plate to slide to lift the lifting plate, the lifting plate is more stable during lifting, and convenience is brought to use of people.

Description

Technical Field

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

[0002] Hoists are large-scale mechanical equipment that transports by changing potential energy, such as mine hoists and dam hoists. Broadly speaking, elevators, overhead cranes, winches, stabilizers, cranes, hoists, etc. can all be called hoists. Hoists generally refer to large-scale mechanical equipment with high power and strong lifting capacity.

[0003] At present, most of the hoists on the market have poor stability when lifting and lowering, low safety in use, and there will be a certain impact when lowering, which brings inconvenience to people's use. Utility Model Content

[0004] The purpose of the present invention is to provide a lifting device for an elevator to solve the problem of poor lifting and lowering stability in the above-mentioned background technology. To achieve the above-mentioned purpose, the present invention provides the following technical solution: a lifting device for an elevator, comprising a base, the bottom of the base being fixedly connected to the top of a driving member, the outer wall of the driving member being fixedly engaged with the inner wall of the lifting member, the outer wall of the lifting member being movably abutted against the inner wall of the lifting member, and the outer wall of the lifting member being slidably connected to the inner wall of the base.

[0005] The inner wall of the base is slidably connected to the outer wall of the buffer member. The number of the lifting member and the buffer member are both two, and the two lifting members and the two buffer members are both arranged along the central axis of the base.

[0006] Preferably, the base includes a base, a support column and a support frame, the top of the base is fixedly connected to the bottom of the support column, and the top of the support column is fixedly connected to the bottom of the support frame, the top of the base is respectively provided with a buffer groove and a guide hole, and a sliding groove is provided on one side of the support column.

[0007] Preferably, the driving member consists of a fixed block, a driving motor, a driving shaft and a supporting block, the top of the fixed block is fixedly connected to the bottom of the support frame, and the bottom of the fixed block is fixedly connected to the top of the driving motor by a bolt, the output end of the driving motor is fixedly connected to one end of the driving shaft by a coupling, and a rotating hole is provided on the inner wall of the supporting block, and the inner wall of the rotating hole is rotatably connected to the outer wall of the driving shaft.

[0008] Preferably, the lifting member includes a winding drum, a lifting steel rope and a connecting block, the inner wall of the winding drum is fixedly connected to the outer wall of the drive shaft, and a fixing hole is opened on the outer wall of the winding drum, the inner wall of the fixing hole is fixedly connected to the outer wall of one end of the lifting steel rope, and the lifting steel rope is wound around the outer wall of the winding drum, the top of the connecting block is fixedly connected to the bottom of the support frame, and a connecting hole is opened on the inner wall of the connecting block, and the inner wall of the connecting hole is fixedly connected to the outer wall of the other end of the lifting steel rope.

[0009] Preferably, the lifting member consists of a pulley, a lifting block, a lifting plate and a sliding block, the inner wall of the pulley is movably abutted against the outer wall of the lifting steel rope, and the inner wall of the pulley is rotatably connected to the outer wall of the lifting block, the bottom of the lifting block is fixedly connected to the top of the lifting plate, one side of the lifting plate is fixedly connected to one side of the sliding block, and the outer wall of the sliding block is slidably connected to the inner wall of the sliding groove, the number of the pulleys, lifting blocks and support blocks is two, and the two pulleys, two lifting blocks and two support blocks are mirrored along the central axis of the base, the number of the sliding blocks and support columns is four, and the four sliding blocks and four support columns are respectively distributed at the four corners of the base.

[0010] Preferably, the buffer member includes a buffer plate, a guide rod, a rotating plate, a rotating block, a buffer block and a spring, the bottom of the buffer plate is fixedly connected to the top of the guide rod, and the outer wall of the guide rod is slidably connected to the inner wall of the guide hole, the inner wall of one side of the buffer plate is rotatably connected to the outer wall of one side of the rotating plate, and the inner wall of the other side of the rotating plate is rotatably connected to the outer wall of the rotating block, the bottom of the rotating block is fixedly connected to the top of the buffer block, and the outer wall of the buffer block is slidably connected to the inner wall of the buffer groove, one side of the buffer block is fixedly connected to one side of the spring, and the other side of the spring is fixedly connected to one side of the inner wall of the buffer groove, the number of the rotating plate, rotating block, buffer block and spring is two, and the two rotating plates, two rotating blocks, two buffer blocks and two springs are all mirrored along the central axis of the buffer plate.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] In the utility model, the driving motor is started, the driving motor drives the driving shaft to rotate, and the driving shaft drives the winding drum to rotate. The winding drum rotates to wrap the lifting steel rope around the outer wall of the winding drum for winding, so that the winding drum is shortened. The shortened lifting steel rope pulls the pulley, so that the lifting block drives the lifting plate to slide and lift the lifting plate, making the lifting of the lifting plate more stable, which brings convenience to people's use.

[0013] In the utility model, when the lifting plate descends, the lifting plate pushes against the buffer plate, so that the buffer plate drives the guide rod to slide downward in the guide hole. The buffer plate pushes the buffer block to slide in the buffer groove through the rotating plate and the rotating block. The buffer block slides and pushes against the spring to provide buffering, so that the buffer plate buffers the impact when the lifting plate descends, thereby buffering the lifting plate and reducing the impact force when the lifting plate descends, which brings convenience to people. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a cross-sectional view of the utility model;

[0016] Figure 3 This is an exploded view of the utility model;

[0017] Figure 4 This is an exploded view of the buffer component in the present invention.

[0018] In the figure: 1. base; 101. base; 102. support column; 103. support frame; 2. driving member; 201. fixed block; 202. driving motor; 203. driving shaft; 204. support block; 3. lifting member; 301. winding drum; 302. lifting rope; 303. connecting block; 4. lifting member; 401. pulley; 402. lifting block; 403. lifting plate; 404. sliding block; 5. buffer member; 501. buffer plate; 502. guide rod; 503. rotating plate; 504. rotating block; 505. buffer block; 506. spring. DETAILED DESCRIPTION

[0019] 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 technical personnel in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0020] See also Figures 1 to 4 The utility model provides a technical solution: a lifting device for a hoist, including a base 1, the bottom of the base 1 is fixedly connected to the top of a driving member 2, the outer wall of the driving member 2 is fixedly clamped with the inner wall of the lifting member 3, the outer wall of the lifting member 3 is movably abutted against the inner wall of the lifting member 4, and the outer wall of the lifting member 4 is slidably connected to the inner wall of the base 1.

[0021] The inner wall of the base 1 is slidably connected to the outer wall of the buffer member 5 . There are two lifting members 3 and two buffer members 5 . Both lifting members 3 and two buffer members 5 are arranged along the central axis of the base 1 .

[0022] In this embodiment, Figure 1 、 Figure 2 、 Figure 3 and Figure 4 As shown, the base 1 includes a base 101, a support column 102 and a support frame 103. The top of the base 101 is fixedly connected to the bottom of the support column 102, and the top of the support column 102 is fixedly connected to the bottom of the support frame 103. A buffer groove and a guide hole are respectively provided on the top of the base 101, and a sliding groove is provided on one side of the support column 102, so that support is provided to the support frame 103 through the base 101 and the support column 102.

[0023] In this embodiment, Figure 1 、 Figure 2 、 Figure 3 and Figure 4 As shown, the driving member 2 consists of a fixed block 201, a driving motor 202, a driving shaft 203 and a supporting block 204. The top of the fixed block 201 is fixedly connected to the bottom of the support frame 103, and the bottom of the fixed block 201 is fixedly connected to the top of the driving motor 202 by bolts. The output end of the driving motor 202 is fixedly connected to one end of the driving shaft 203 through a coupling, and a rotating hole is provided on the inner wall of the supporting block 204. The inner wall of the rotating hole is rotatably connected to the outer wall of the driving shaft 203. When the driving motor 202 is started, the driving motor 202 drives the driving shaft 203 to rotate.

[0024] In this embodiment, Figure 1 、 Figure 2 、 Figure 3 and Figure 4 As shown, the lifting member 3 includes a winding drum 301, a lifting steel rope 302 and a connecting block 303. The inner wall of the winding drum 301 is fixedly connected to the outer wall of the driving shaft 203, and a fixing hole is provided on the outer wall of the winding drum 301. The inner wall of the fixing hole is fixedly connected to the outer wall of one end of the lifting steel rope 302, and the lifting steel rope 302 is wound around the outer wall of the winding drum 301. The top of the connecting block 303 is fixedly connected to the bottom of the support frame 103, and a connecting hole is provided on the inner wall of the connecting block 303. The inner wall of the connecting hole is fixedly connected to the outer wall of the other end of the lifting steel rope 302. The driving shaft 203 drives the winding drum 301 to rotate, and the lifting steel rope 302 is wound around the outer wall of the winding drum 301 for winding through the rotation of the winding drum 301.

[0025] In this embodiment, Figure 1 、 Figure 2 、 Figure 3 and Figure 4As shown, the lifting member 4 is composed of a pulley 401, a lifting block 402, a lifting plate 403 and a sliding block 404. The inner wall of the pulley 401 is movably abutted against the outer wall of the lifting rope 302, and the inner wall of the pulley 401 is rotatably connected to the outer wall of the lifting block 402. The bottom of the lifting block 402 is fixedly connected to the top of the lifting plate 403, one side of the lifting plate 403 is fixedly connected to one side of the sliding block 404, and the outer wall of the sliding block 404 is slidably connected to the inner wall of the sliding groove. There are two lifting blocks 402 and two supporting blocks 204, and the two pulleys 401, the two lifting blocks 402 and the two supporting blocks 204 are all mirror-set along the central axis of the base 101. There are four sliding blocks 404 and four support columns 102, and the four sliding blocks 404 and the four support columns 102 are respectively distributed at the four corners of the base 101. The shortened lifting steel rope 302 pulls the pulley 401, so that the lifting block 402 drives the lifting plate 403 to slide and lift the lifting plate 403.

[0026] In this embodiment, Figure 1 、 Figure 2 、 Figure 3 and Figure 4 As shown, the buffer member 5 includes a buffer plate 501, a guide rod 502, a rotating plate 503, a rotating block 504, a buffer block 505 and a spring 506. The bottom of the buffer plate 501 is fixedly connected to the top of the guide rod 502, and the outer wall of the guide rod 502 is slidably connected to the inner wall of the guide hole. The inner wall of one side of the buffer plate 501 is rotatably connected to the outer wall of one side of the rotating plate 503, and the inner wall of the other side of the rotating plate 503 is rotatably connected to the outer wall of the rotating block 504. The bottom of the rotating block 504 is fixedly connected to the top of the buffer block 505, and the outer wall of the buffer block 505 is slidably connected to the inner wall of the buffer groove. One side of the buffer block 505 is fixedly connected to one side of the spring 506, and the other side of the spring 506 is fixedly connected to the buffer groove. One side of the inner wall is fixedly connected, and the number of the rotating plate 503, the rotating block 504, the buffer block 505 and the spring 506 are all two, and the two rotating plates 503, the two rotating blocks 504, the two buffer blocks 505 and the two springs 506 are all mirror-set along the central axis of the buffer plate 501. When the lifting plate 403 descends, the lifting plate 403 pushes against the buffer plate 501 to make the buffer plate 501 slide downward, and the buffer plate 501 drives the buffer block 505 to slide through the rotating plate 503 and the rotating block 504. The buffer block 505 slides and pushes against the spring 506 for buffering, so that the buffer plate 501 buffers the lifting plate 403, thereby buffering the buffer plate 501 and reducing the impact force when the lifting plate 403 descends.

[0027] The use method and advantages of this utility model: When the lifting device for hoist is in operation, the working process is as follows:

[0028] like Figure 1 、 Figure 2 、 Figure 3 and Figure 4 As shown, the drive motor 202 is started, and the drive motor 202 drives the drive shaft 203 to rotate, and the drive shaft 203 drives the winding drum 301 to rotate. The winding drum 301 rotates to wind the lifting steel rope 302 around the outer wall of the winding drum 301, so that the winding drum 301 is shortened, and the shortened lifting steel rope 302 pulls the pulley 401, so that the lifting block 402 drives the lifting plate 403 to slide and lift the lifting plate 403, so that the lifting of the lifting plate 403 is more stable. When the lifting plate 403 descends, the lifting plate 403 pushes against the buffer plate 501 to make the buffer plate 501 slide downward, and the buffer plate 501 drives the buffer block 505 to slide through the rotating plate 503 and the rotating block 504, so that the buffer plate 501 buffers the lifting plate 403, thereby buffering the lifting plate 403 and reducing the impact force when the lifting plate 403 descends.

[0029] The above shows and describes the basic principles, main features, and advantages of the present invention. Persons skilled in the art should understand that the present invention is not limited to the above-described embodiments. The above-described embodiments and descriptions are merely preferred examples of the present invention and are not intended to limit the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A lifting device for a hoist, comprising a base (1), characterized in that: The bottom of the base (1) is fixedly connected to the top of the driving member (2), the outer wall of the driving member (2) is fixedly engaged with the inner wall of the lifting member (3), the outer wall of the lifting member (3) is movably abutted against the inner wall of the lifting member (4), and the outer wall of the lifting member (4) is slidably connected to the inner wall of the base (1); The inner wall of the base (1) is slidably connected to the outer wall of the buffer member (5), the number of the lifting member (3) and the buffer member (5) are both two, and the two lifting members (3) and the buffer member (5) are both arranged along the central axis of the base (1).

2. A lifting device for a hoist according to claim 1, characterized in that: The base (1) comprises a base (101), a support column (102) and a support frame (103); the top of the base (101) is fixedly connected to the bottom of the support column (102), and the top of the support column (102) is fixedly connected to the bottom of the support frame (103); a buffer groove and a guide hole are respectively provided on the top of the base (101), and a sliding groove is provided on one side of the support column (102).

3. The lifting device for a hoist according to claim 2, characterized in that: The driving member (2) is composed of a fixed block (201), a driving motor (202), a driving shaft (203) and a supporting block (204); the top of the fixed block (201) is fixedly connected to the bottom of the supporting frame (103), and the bottom of the fixed block (201) is fixedly connected to the top of the driving motor (202) via a bolt; the output end of the driving motor (202) is fixedly connected to one end of the driving shaft (203) via a coupling; and a rotating hole is provided on the inner wall of the supporting block (204), and the inner wall of the rotating hole is rotatably connected to the outer wall of the driving shaft (203).

4. The lifting device for a hoist according to claim 3, characterized in that: The lifting member (3) includes a winding drum (301), a lifting steel rope (302) and a connecting block (303), the inner wall of the winding drum (301) is fixedly connected to the outer wall of the driving shaft (203), and a fixing hole is opened on the outer wall of the winding drum (301), the inner wall of the fixing hole is fixedly connected to the outer wall of one end of the lifting steel rope (302), and the lifting steel rope (302) is wound around the outer wall of the winding drum (301), the top of the connecting block (303) is fixedly connected to the bottom of the support frame (103), and a connecting hole is opened on the inner wall of the connecting block (303), and the inner wall of the connecting hole is fixedly connected to the outer wall of the other end of the lifting steel rope (302).

5. The lifting device for a hoist according to claim 4, characterized in that: The lifting member (4) is composed of a pulley (401), a lifting block (402), a lifting plate (403) and a sliding block (404). The inner wall of the pulley (401) is in movably contact with the outer wall of the lifting rope (302), and the inner wall of the pulley (401) is rotatably connected to the outer wall of the lifting block (402). The bottom of the lifting block (402) is fixedly connected to the top of the lifting plate (403), one side of the lifting plate (403) is fixedly connected to one side of the sliding block (404), and the sliding block (404) is fixedly connected to the lifting plate (403). 04) is slidably connected to the inner wall of the sliding groove, the number of the pulley (401), the lifting block (402) and the supporting block (204) are all two, and the two pulleys (401), the two lifting blocks (402) and the two supporting blocks (204) are all mirror-set along the central axis of the base (101), the number of the sliding blocks (404) and the supporting columns (102) are all four, and the four sliding blocks (404) and the four supporting columns (102) are respectively distributed at the four corners of the base (101).

6. The lifting device for a hoist according to claim 2, characterized in that: The buffer member (5) comprises a buffer plate (501), a guide rod (502), a rotating plate (503), a rotating block (504), a buffer block (505) and a spring (506). The bottom of the buffer plate (501) is fixedly connected to the top of the guide rod (502), and the outer wall of the guide rod (502) is slidably connected to the inner wall of the guide hole. The inner wall of one side of the buffer plate (501) is rotatably connected to the outer wall of one side of the rotating plate (503), and the inner wall of the other side of the rotating plate (503) is rotatably connected to the outer wall of the rotating block (504). The bottom of the rotating block (504) is rotatably connected to the buffer plate (501). The top of the block (505) is fixedly connected, and the outer wall of the buffer block (505) is slidably connected to the inner wall of the buffer groove, one side of the buffer block (505) is fixedly connected to one side of the spring (506), and the other side of the spring (506) is fixedly connected to one side of the inner wall of the buffer groove, and the number of the rotating plate (503), the rotating block (504), the buffer block (505) and the spring (506) is two, and the two rotating plates (503), the two rotating blocks (504), the two buffer blocks (505) and the two springs (506) are all mirror-imaged along the central axis of the buffer plate (501).

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